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.
404 Commits
2 Branches
16MB
Tree: 1fa2cb9206
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '1fa2cb9206'
${ noResults }
Cadence/c++/carla-backend/lv2.cpp

4339 lines
150KB
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. /*!

  53.  * @defgroup PluginHints Plugin Hints

  54.  * @{

  55.  */

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

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

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

  59. /**@}*/

  60. 

  61. /*!

  62.  * @defgroup ParameterHints Parameter Hints

  63.  * @{

  64.  */

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

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

  67. /**@}*/

  68. 

  69. /*!

  70.  * @defgroup Lv2FeatureIds LV2 Feature Ids

  71.  *

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

  73.  * \see CarlaPlugin::hints

  74.  * @{

  75.  */

  76. const uint32_t lv2_feature_id_bufsize_bounded  =  0;

  77. const uint32_t lv2_feature_id_bufsize_fixed    =  1;

  78. const uint32_t lv2_feature_id_bufsize_powerof2 =  2;

  79. const uint32_t lv2_feature_id_event            =  3;

  80. const uint32_t lv2_feature_id_logs             =  4;

  81. const uint32_t lv2_feature_id_options          =  5;

  82. const uint32_t lv2_feature_id_programs         =  6;

  83. const uint32_t lv2_feature_id_state_make_path  =  7;

  84. const uint32_t lv2_feature_id_state_map_path   =  8;

  85. const uint32_t lv2_feature_id_strict_bounds    =  9;

  86. const uint32_t lv2_feature_id_uri_map          = 10;

  87. const uint32_t lv2_feature_id_urid_map         = 11;

  88. const uint32_t lv2_feature_id_urid_unmap       = 12;

  89. const uint32_t lv2_feature_id_worker           = 13;

  90. const uint32_t lv2_feature_id_data_access      = 14;

  91. const uint32_t lv2_feature_id_instance_access  = 15;

  92. const uint32_t lv2_feature_id_ui_parent        = 16;

  93. const uint32_t lv2_feature_id_ui_port_map      = 17;

  94. const uint32_t lv2_feature_id_ui_resize        = 18;

  95. const uint32_t lv2_feature_id_external_ui      = 19;

  96. const uint32_t lv2_feature_id_external_ui_old  = 20;

  97. const uint32_t lv2_feature_count               = 21;

  98. /**@}*/

  99. 

  100. /*!

  101.  * @defgroup Lv2EventTypes LV2 Event Data/Types

  102.  *

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

  104.  * \see CarlaPlugin::hints

  105.  * @{

  106.  */

  107. const unsigned int CARLA_EVENT_DATA_ATOM      = 0x01;

  108. const unsigned int CARLA_EVENT_DATA_EVENT     = 0x02;

  109. const unsigned int CARLA_EVENT_DATA_MIDI_LL   = 0x04;

  110. const unsigned int CARLA_EVENT_TYPE_MESSAGE   = 0x10;

  111. const unsigned int CARLA_EVENT_TYPE_MIDI      = 0x20;

  112. /**@}*/

  113. 

  114. /*!

  115.  * @defgroup Lv2UriMapIds LV2 URI Map Ids

  116.  *

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

  118.  * \see CarlaPlugin::hints

  119.  * @{

  120.  */

  121. const uint32_t CARLA_URI_MAP_ID_NULL                = 0;

  122. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK          = 1;

  123. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE         = 2;

  124. const uint32_t CARLA_URI_MAP_ID_ATOM_INT            = 3;

  125. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH           = 4;

  126. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE       = 5;

  127. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING         = 6;

  128. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM  = 7;

  129. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT = 8;

  130. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH      = 9;

  131. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH      = 10;

  132. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE   = 11;

  133. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR           = 12;

  134. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE            = 13;

  135. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE           = 14;

  136. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING         = 15;

  137. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT          = 16;

  138. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE   = 17;

  139. const uint32_t CARLA_URI_MAP_ID_COUNT               = 18;

  140. /**@}*/

  141. 

  142. struct Lv2EventData {

  143.     uint32_t type;

  144.     CarlaEngineMidiPort* port;

  145.     union {

  146.         LV2_Atom_Sequence* atom;

  147.         LV2_Event_Buffer* event;

  148.         LV2_MIDI* midi;

  149.     };

  150. 

  151.     Lv2EventData()

  152.         : type(0),

  153.           port(nullptr) {}

  154. };

  155. 

  156. struct Lv2PluginEventData {

  157.     uint32_t count;

  158.     Lv2EventData* data;

  159. 

  160.     Lv2PluginEventData()

  161.         : count(0),

  162.           data(nullptr) {}

  163. };

  164. 

  165. struct Lv2PluginOptions {

  166.     bool init;

  167.     uint32_t eventSize;

  168.     uint32_t bufferSize;

  169.     double   sampleRate;

  170.     LV2_Options_Option oNull;

  171.     LV2_Options_Option oMaxBlockLenth;

  172.     LV2_Options_Option oMinBlockLenth;

  173.     LV2_Options_Option oSequenceSize;

  174.     LV2_Options_Option oSampleRate;

  175. 

  176.     Lv2PluginOptions()

  177.         : init(false),

  178.           eventSize(MAX_EVENT_BUFFER),

  179.           bufferSize(0),

  180.           sampleRate(0.0) {}

  181. };

  182. 

  183. Lv2PluginOptions lv2Options;

  184. 

  185. const char* lv2bridge2str(const LV2_Property type)

  186. {

  187.     switch (type)

  188.     {

  189. #ifndef BUILD_BRIDGE

  190.     case LV2_UI_GTK2:

  191.         return carlaOptions.bridge_lv2gtk2;

  192.     case LV2_UI_QT4:

  193.         return carlaOptions.bridge_lv2qt4;

  194.     case LV2_UI_COCOA:

  195.         return nullptr; //carlaOptions.bridge_lv2cocoa;

  196.     case LV2_UI_WINDOWS:

  197.         return nullptr; //carlaOptions.bridge_lv2hwnd;

  198.     case LV2_UI_X11:

  199.         return carlaOptions.bridge_lv2x11;

  200. #endif

  201.     default:

  202.         return nullptr;

  203.     }

  204. }

  205. 

  206. class Lv2Plugin : public CarlaPlugin

  207. {

  208. public:

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

  210.         : CarlaPlugin(engine, id)

  211.     {

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

  213. 

  214.         m_type = PLUGIN_LV2;

  215. 

  216.         handle = h2 = nullptr;

  217.         descriptor  = nullptr;

  218.         rdf_descriptor = nullptr;

  219. 

  220.         ext.state      = nullptr;

  221.         ext.worker     = nullptr;

  222.         ext.programs   = nullptr;

  223.         ext.uiprograms = nullptr;

  224. 

  225.         ui.lib = nullptr;

  226.         ui.handle = nullptr;

  227.         ui.descriptor = nullptr;

  228.         ui.rdf_descriptor = nullptr;

  229. 

  230.         evIn.count = 0;

  231.         evIn.data  = nullptr;

  232. 

  233.         evOut.count = 0;

  234.         evOut.data  = nullptr;

  235. 

  236.         paramBuffers = nullptr;

  237. 

  238.         gui.type = GUI_NONE;

  239.         gui.resizable = false;

  240.         gui.width  = 0;

  241.         gui.height = 0;

  242. 

  243. #ifdef HAVE_SUIL

  244.         suil.handle = nullptr;

  245.         suil.host   = nullptr;

  246. #endif

  247. 

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

  249.             customURIDs.push_back(nullptr);

  250. 

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

  252.             features[i] = nullptr;

  253. 

  254.         if (! lv2Options.init)

  255.         {

  256.             lv2Options.init = true;

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

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

  259. 

  260.             lv2Options.oNull.key   = CARLA_URI_MAP_ID_NULL;

  261.             lv2Options.oNull.size  = 0;

  262.             lv2Options.oNull.type  = CARLA_URI_MAP_ID_NULL;

  263.             lv2Options.oNull.value = nullptr;

  264. 

  265.             lv2Options.oMaxBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

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

  267.             lv2Options.oMaxBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  269. 

  270.             lv2Options.oMinBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

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

  272.             lv2Options.oMinBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  274. 

  275.             lv2Options.oSequenceSize.key   = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

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

  277.             lv2Options.oSequenceSize.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  279. 

  280.             lv2Options.oSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

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

  282.             lv2Options.oSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

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

  284.         }

  285.     }

  286. 

  287.     ~Lv2Plugin()

  288.     {

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

  290. 

  291.         // close UI

  292.         if (m_hints & PLUGIN_HAS_GUI)

  293.         {

  294.             showGui(false);

  295. 

  296.             switch (gui.type)

  297.             {

  298.             case GUI_NONE:

  299.             case GUI_INTERNAL_QT4:

  300.             case GUI_INTERNAL_COCOA:

  301.             case GUI_INTERNAL_HWND:

  302.             case GUI_INTERNAL_X11:

  303.             case GUI_EXTERNAL_LV2:

  304.                 break;

  305. 

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

  307.             case GUI_EXTERNAL_SUIL:

  308.                 if (ui.widget)

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

  310.                 break;

  311. #endif

  312. 

  313. #ifndef BUILD_BRIDGE

  314.             case GUI_EXTERNAL_OSC:

  315.                 if (osc.data.target)

  316.                 {

  317.                     osc_send_hide(&osc.data);

  318.                     osc_send_quit(&osc.data);

  319.                 }

  320. 

  321.                 if (osc.thread)

  322.                 {

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

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

  325.                     {

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

  327.                         osc.thread->terminate();

  328.                     }

  329. 

  330.                     delete osc.thread;

  331.                 }

  332. 

  333.                 break;

  334. #endif

  335.             }

  336. 

  337. #ifdef HAVE_SUIL

  338.             if (suil.handle)

  339.             {

  340.                 suil_instance_free(suil.handle);

  341. 

  342.                 if (suil.host)

  343.                     suil_host_free(suil.host);

  344. 

  345.                 ui.handle = nullptr;

  346.                 ui.descriptor = nullptr;

  347.             }

  348. #endif

  349. 

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

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

  352. 

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

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

  355. 

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

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

  358. 

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

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

  361. 

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

  363.             {

  364.                 const lv2_external_ui_host* const uiHost = (const lv2_external_ui_host*)features[lv2_feature_id_external_ui]->data;

  365. 

  366.                 if (uiHost->plugin_human_id)

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

  368. 

  369.                 delete uiHost;

  370.             }

  371. 

  372.             uiLibClose();

  373.         }

  374. 

  375.         if (descriptor)

  376.         {

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

  378.             {

  379.                 if (handle)

  380.                     descriptor->deactivate(handle);

  381.                 if (h2)

  382.                     descriptor->deactivate(h2);

  383.             }

  384. 

  385.             if (descriptor->cleanup)

  386.             {

  387.                 if (handle)

  388.                     descriptor->cleanup(handle);

  389.                 if (h2)

  390.                     descriptor->cleanup(h2);

  391.             }

  392.         }

  393. 

  394.         if (rdf_descriptor)

  395.             lv2_rdf_free(rdf_descriptor);

  396. 

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

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

  399. 

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

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

  402. 

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

  404.         {

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

  406.             delete[] options;

  407.         }

  408. 

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

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

  411. 

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

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

  414. 

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

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

  417. 

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

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

  420. 

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

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

  423. 

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

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

  426. 

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

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

  429. 

  430. #ifndef BUILD_BRIDGE

  431.         if (! carlaOptions.processHighPrecision)

  432. #endif

  433.         {

  434.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  435.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  436.         }

  437. 

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

  439.         {

  440.             if (features[i])

  441.                 delete features[i];

  442.         }

  443. 

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

  445.         {

  446.             if (customURIDs[i])

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

  448.         }

  449. 

  450.         customURIDs.clear();

  451.     }

  452. 

  453.     // -------------------------------------------------------------------

  454.     // Information (base)

  455. 

  456.     PluginCategory category()

  457.     {

  458.         Q_ASSERT(rdf_descriptor);

  459. 

  460.         LV2_Property category = rdf_descriptor->Type;

  461. 

  462.         if (LV2_IS_DELAY(category))

  463.             return PLUGIN_CATEGORY_DELAY;

  464.         if (LV2_IS_DISTORTION(category))

  465.             return PLUGIN_CATEGORY_OTHER;

  466.         if (LV2_IS_DYNAMICS(category))

  467.             return PLUGIN_CATEGORY_DYNAMICS;

  468.         if (LV2_IS_EQ(category))

  469.             return PLUGIN_CATEGORY_EQ;

  470.         if (LV2_IS_FILTER(category))

  471.             return PLUGIN_CATEGORY_FILTER;

  472.         if (LV2_IS_GENERATOR(category))

  473.             return PLUGIN_CATEGORY_SYNTH;

  474.         if (LV2_IS_MODULATOR(category))

  475.             return PLUGIN_CATEGORY_MODULATOR;

  476.         if (LV2_IS_REVERB(category))

  477.             return PLUGIN_CATEGORY_DELAY;

  478.         if (LV2_IS_SIMULATOR(category))

  479.             return PLUGIN_CATEGORY_OTHER;

  480.         if (LV2_IS_SPATIAL(category))

  481.             return PLUGIN_CATEGORY_OTHER;

  482.         if (LV2_IS_SPECTRAL(category))

  483.             return PLUGIN_CATEGORY_UTILITY;

  484.         if (LV2_IS_UTILITY(category))

  485.             return PLUGIN_CATEGORY_UTILITY;

  486. 

  487.         return getPluginCategoryFromName(m_name);

  488.     }

  489. 

  490.     long uniqueId()

  491.     {

  492.         Q_ASSERT(rdf_descriptor);

  493. 

  494.         return rdf_descriptor->UniqueID;

  495.     }

  496. 

  497.     // -------------------------------------------------------------------

  498.     // Information (count)

  499. 

  500.     uint32_t midiInCount()

  501.     {

  502.         uint32_t i, count = 0;

  503. 

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

  505.         {

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

  507.                 count += 1;

  508.         }

  509. 

  510.         return count;

  511.     }

  512. 

  513.     uint32_t midiOutCount()

  514.     {

  515.         uint32_t i, count = 0;

  516. 

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

  518.         {

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

  520.                 count += 1;

  521.         }

  522. 

  523.         return count;

  524.     }

  525. 

  526.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  527.     {

  528.         Q_ASSERT(parameterId < param.count);

  529.         Q_ASSERT(rdf_descriptor);

  530. 

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

  532. 

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

  534.         {

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

  536. 

  537.             if (port)

  538.                 return port->ScalePointCount;

  539.         }

  540. 

  541.         return 0;

  542.     }

  543. 

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

  545.     // Information (per-plugin data)

  546. 

  547.     double getParameterValue(const uint32_t parameterId)

  548.     {

  549.         Q_ASSERT(parameterId < param.count);

  550. 

  551.         return paramBuffers[parameterId];

  552.     }

  553. 

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

  555.     {

  556.         Q_ASSERT(parameterId < param.count);

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

  558. 

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

  560. 

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

  562.         {

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

  564. 

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

  566.             {

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

  568. 

  569.                 if (portScalePoint)

  570.                     return portScalePoint->Value;

  571.             }

  572.         }

  573. 

  574.         return 0.0;

  575.     }

  576. 

  577.     void getLabel(char* const strBuf)

  578.     {

  579.         Q_ASSERT(rdf_descriptor);

  580. 

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

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

  583.         else

  584.             CarlaPlugin::getLabel(strBuf);

  585.     }

  586. 

  587.     void getMaker(char* const strBuf)

  588.     {

  589.         Q_ASSERT(rdf_descriptor);

  590. 

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

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

  593.         else

  594.             CarlaPlugin::getMaker(strBuf);

  595.     }

  596. 

  597.     void getCopyright(char* const strBuf)

  598.     {

  599.         Q_ASSERT(rdf_descriptor);

  600. 

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

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

  603.         else

  604.             CarlaPlugin::getCopyright(strBuf);

  605.     }

  606. 

  607.     void getRealName(char* const strBuf)

  608.     {

  609.         Q_ASSERT(rdf_descriptor);

  610. 

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

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

  613.         else

  614.             CarlaPlugin::getRealName(strBuf);

  615.     }

  616. 

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

  618.     {

  619.         Q_ASSERT(rdf_descriptor);

  620.         Q_ASSERT(parameterId < param.count);

  621. 

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

  623. 

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

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

  626.         else

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

  628.     }

  629. 

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

  631.     {

  632.         Q_ASSERT(rdf_descriptor);

  633.         Q_ASSERT(parameterId < param.count);

  634. 

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

  636. 

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

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

  639.         else

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

  641.     }

  642. 

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

  644.     {

  645.         Q_ASSERT(rdf_descriptor);

  646.         Q_ASSERT(parameterId < param.count);

  647. 

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

  649. 

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

  651.         {

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

  653. 

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

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

  656. 

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

  658.             {

  659.                 switch (port->Unit.Type)

  660.                 {

  661.                 case LV2_UNIT_BAR:

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

  663.                     return;

  664.                 case LV2_UNIT_BEAT:

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

  666.                     return;

  667.                 case LV2_UNIT_BPM:

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

  669.                     return;

  670.                 case LV2_UNIT_CENT:

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

  672.                     return;

  673.                 case LV2_UNIT_CM:

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

  675.                     return;

  676.                 case LV2_UNIT_COEF:

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

  678.                     return;

  679.                 case LV2_UNIT_DB:

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

  681.                     return;

  682.                 case LV2_UNIT_DEGREE:

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

  684.                     return;

  685.                 case LV2_UNIT_FRAME:

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

  687.                     return;

  688.                 case LV2_UNIT_HZ:

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

  690.                     return;

  691.                 case LV2_UNIT_INCH:

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

  693.                     return;

  694.                 case LV2_UNIT_KHZ:

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

  696.                     return;

  697.                 case LV2_UNIT_KM:

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

  699.                     return;

  700.                 case LV2_UNIT_M:

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

  702.                     return;

  703.                 case LV2_UNIT_MHZ:

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

  705.                     return;

  706.                 case LV2_UNIT_MIDINOTE:

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

  708.                     return;

  709.                 case LV2_UNIT_MILE:

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

  711.                     return;

  712.                 case LV2_UNIT_MIN:

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

  714.                     return;

  715.                 case LV2_UNIT_MM:

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

  717.                     return;

  718.                 case LV2_UNIT_MS:

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

  720.                     return;

  721.                 case LV2_UNIT_OCT:

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

  723.                     return;

  724.                 case LV2_UNIT_PC:

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

  726.                     return;

  727.                 case LV2_UNIT_S:

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

  729.                     return;

  730.                 case LV2_UNIT_SEMITONE:

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

  732.                     return;

  733.                 }

  734.             }

  735.         }

  736. 

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

  738.     }

  739. 

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

  741.     {

  742.         Q_ASSERT(rdf_descriptor);

  743.         Q_ASSERT(parameterId < param.count);

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

  745. 

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

  747. 

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

  749.         {

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

  751. 

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

  753.             {

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

  755. 

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

  757.                 {

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

  759.                     return;

  760.                 }

  761.             }

  762.         }

  763. 

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

  765.     }

  766. 

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

  768.     {

  769.         Q_ASSERT(type);

  770.         Q_ASSERT(resizable);

  771. 

  772.         *type      = gui.type;

  773.         *resizable = gui.resizable;

  774.     }

  775. 

  776.     // -------------------------------------------------------------------

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

  778. 

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

  780.     {

  781.         Q_ASSERT(parameterId < param.count);

  782. 

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

  784. 

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

  786.     }

  787. 

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

  789.     {

  790.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  791.         Q_ASSERT(key);

  792.         Q_ASSERT(value);

  793. 

  794.         if (type == CUSTOM_DATA_INVALID)

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

  796. 

  797.         if (! key)

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

  799. 

  800.         if (! value)

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

  802. 

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

  804. 

  805.         if (ext.state)

  806.         {

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

  808.             LV2_State_Status status;

  809. 

  810.             if (x_engine->isOffline())

  811.             {

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

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

  814.             }

  815.             else

  816.             {

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

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

  819.             }

  820. 

  821.             switch (status)

  822.             {

  823.             case LV2_STATE_SUCCESS:

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

  825.                 break;

  826.             case LV2_STATE_ERR_UNKNOWN:

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

  828.                 break;

  829.             case LV2_STATE_ERR_BAD_TYPE:

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

  831.                 break;

  832.             case LV2_STATE_ERR_BAD_FLAGS:

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

  834.                 break;

  835.             case LV2_STATE_ERR_NO_FEATURE:

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

  837.                 break;

  838.             case LV2_STATE_ERR_NO_PROPERTY:

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

  840.                 break;

  841.             }

  842.         }

  843. 

  844.         if (sendGui)

  845.         {

  846.             CustomData cdata;

  847.             cdata.type  = type;

  848.             cdata.key   = key;

  849.             cdata.value = value;

  850.             uiTransferEvent(&cdata);

  851.         }

  852.     }

  853. 

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

  855.     {

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

  857. 

  858.         if (index < -1)

  859.             index = -1;

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

  861.             return;

  862. 

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

  864.         {

  865.             if (x_engine->isOffline())

  866.             {

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

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

  869.             }

  870.             else

  871.             {

  872.                 const ScopedDisabler m(this, block);

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

  874.             }

  875.         }

  876. 

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

  878.     }

  879. 

  880.     // -------------------------------------------------------------------

  881.     // Set gui stuff

  882. 

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

  884.     {

  885.         switch(gui.type)

  886.         {

  887.         case GUI_NONE:

  888.             break;

  889. 

  890. #ifndef __WINE__

  891.         case GUI_INTERNAL_QT4:

  892.             if (ui.widget)

  893.             {

  894.                 QDialog* const dialog = handle;

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

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

  897.                 widget->adjustSize();

  898.                 widget->setParent(dialog);

  899.                 widget->show();

  900.             }

  901.             break;

  902. #endif

  903. 

  904.         case GUI_INTERNAL_COCOA:

  905.         case GUI_INTERNAL_HWND:

  906.         case GUI_INTERNAL_X11:

  907.             if (ui.descriptor)

  908.             {

  909. #ifdef __WINE__

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

  911. #else

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

  913. #endif

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

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

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

  917.                 updateUi();

  918.             }

  919.             break;

  920. 

  921.         case GUI_EXTERNAL_LV2:

  922.         case GUI_EXTERNAL_SUIL:

  923.         case GUI_EXTERNAL_OSC:

  924.             break;

  925.         }

  926.     }

  927. 

  928.     void showGui(const bool yesNo)

  929.     {

  930.         switch(gui.type)

  931.         {

  932.         case GUI_NONE:

  933.         case GUI_INTERNAL_QT4:

  934.             break;

  935. 

  936.         case GUI_INTERNAL_COCOA:

  937.         case GUI_INTERNAL_HWND:

  938.         case GUI_INTERNAL_X11:

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

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

  941.             break;

  942. 

  943.         case GUI_EXTERNAL_LV2:

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

  945.                 initExternalUi();

  946. 

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

  948.             {

  949.                 if (yesNo)

  950.                 {

  951.                     LV2_EXTERNAL_UI_SHOW((lv2_external_ui*)ui.widget);

  952.                 }

  953.                 else

  954.                 {

  955.                     LV2_EXTERNAL_UI_HIDE((lv2_external_ui*)ui.widget);

  956. 

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

  958.                     {

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

  960. 

  961.                         if (ui.descriptor->cleanup)

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

  963. 

  964.                         ui.handle = nullptr;

  965.                     }

  966.                 }

  967.             }

  968.             else

  969.                 // failed to init UI

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

  971. 

  972.             break;

  973. 

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

  975.         case GUI_EXTERNAL_SUIL:

  976.             if (ui.widget)

  977.             {

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

  979. 

  980.                 if (yesNo)

  981.                 {

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

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

  984.                 }

  985.                 else

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

  987. 

  988.                 widget->setVisible(yesNo);

  989.             }

  990.             break;

  991. #endif

  992. 

  993. #ifndef BUILD_BRIDGE

  994.         case GUI_EXTERNAL_OSC:

  995.             Q_ASSERT(osc.thread);

  996. 

  997.             if (! osc.thread)

  998.             {

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

  1000.                 return;

  1001.             }

  1002. 

  1003.             if (yesNo)

  1004.             {

  1005.                 osc.thread->start();

  1006.             }

  1007.             else

  1008.             {

  1009.                 osc_send_hide(&osc.data);

  1010.                 osc_send_quit(&osc.data);

  1011.                 osc_clear_data(&osc.data);

  1012. 

  1013.                 if (! osc.thread->wait(500))

  1014.                     osc.thread->quit();

  1015.             }

  1016.             break;

  1017. #endif

  1018.         }

  1019.     }

  1020. 

  1021.     void idleGui()

  1022.     {

  1023.         // Update external UI

  1024.         if (gui.type == GUI_EXTERNAL_LV2 && ui.handle && ui.descriptor && ui.widget)

  1025.             LV2_EXTERNAL_UI_RUN((lv2_external_ui*)ui.widget);

  1026. 

  1027.         CarlaPlugin::idleGui();

  1028.     }

  1029. 

  1030.     // -------------------------------------------------------------------

  1031.     // Plugin state

  1032. 

  1033.     void reload()

  1034.     {

  1035.         qDebug("Lv2Plugin::reload() - start");

  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() - 1;

  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 = (LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1647. 

  1648.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

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

  1650. 

  1651.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1652.                 ext.worker = (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 (uint32_t 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.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1759.     }

  1760. 

  1761.     // -------------------------------------------------------------------

  1762.     // Plugin processing

  1763. 

  1764.     void process(float* const* const inBuffer, float* const* const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1765.     {

  1766.         uint32_t i, k;

  1767.         uint32_t midiEventCount = 0;

  1768. 

  1769.         double aInsPeak[2]  = { 0.0 };

  1770.         double aOutsPeak[2] = { 0.0 };

  1771. 

  1772.         // handle midi from different APIs

  1773.         uint32_t evInAtomOffsets[evIn.count];

  1774.         LV2_Event_Iterator evInEventIters[evIn.count];

  1775.         LV2_MIDIState evInMidiStates[evIn.count];

  1776. 

  1777.         for (i=0; i < evIn.count; i++)

  1778.         {

  1779.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1780.             {

  1781.                 evInAtomOffsets[i] = 0;

  1782.                 evIn.data[i].atom->atom.size = 0;

  1783.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1784.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

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

  1786.             }

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

  1788.             {

  1789.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1790.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1791.             }

  1792.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1793.             {

  1794.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1795.                 evInMidiStates[i].frame_count = frames;

  1796.                 evInMidiStates[i].position = 0;

  1797.                 evInMidiStates[i].midi->event_count = 0;

  1798.                 evInMidiStates[i].midi->size = 0;

  1799.             }

  1800.         }

  1801. 

  1802.         for (i=0; i < evOut.count; i++)

  1803.         {

  1804.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1805.             {

  1806.                 evOut.data[i].atom->atom.size = 0;

  1807.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1808.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

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

  1810.             }

  1811.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1812.             {

  1813.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1814.             }

  1815.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1816.             {

  1817.                 // not needed

  1818.             }

  1819.         }

  1820. 

  1821.         CARLA_PROCESS_CONTINUE_CHECK;

  1822. 

  1823.         // --------------------------------------------------------------------------------------------------------

  1824.         // Input VU

  1825. 

  1826.         if (aIn.count > 0)

  1827.         {

  1828.             uint32_t count = h2 ? 2 : aIn.count;

  1829. 

  1830.             if (count == 1)

  1831.             {

  1832.                 for (k=0; k < frames; k++)

  1833.                 {

  1834.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1835.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1836.                 }

  1837.             }

  1838.             else if (count > 1)

  1839.             {

  1840.                 for (k=0; k < frames; k++)

  1841.                 {

  1842.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1843.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1844. 

  1845.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1846.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1847.                 }

  1848.             }

  1849.         }

  1850. 

  1851.         CARLA_PROCESS_CONTINUE_CHECK;

  1852. 

  1853.         // --------------------------------------------------------------------------------------------------------

  1854.         // Parameters Input [Automation]

  1855. 

  1856.         if (param.portCin && m_active && m_activeBefore)

  1857.         {

  1858.             bool allNotesOffSent = false;

  1859. 

  1860.             const CarlaEngineControlEvent* cinEvent;

  1861.             uint32_t time, nEvents = param.portCin->getEventCount();

  1862. 

  1863.             uint32_t nextBankId = 0;

  1864.             if (midiprog.current >= 0 && midiprog.count > 0)

  1865.                 nextBankId = midiprog.data[midiprog.current].bank;

  1866. 

  1867.             for (i=0; i < nEvents; i++)

  1868.             {

  1869.                 cinEvent = param.portCin->getEvent(i);

  1870. 

  1871.                 if (! cinEvent)

  1872.                     continue;

  1873. 

  1874.                 time = cinEvent->time - framesOffset;

  1875. 

  1876.                 if (time >= frames)

  1877.                     continue;

  1878. 

  1879.                 // Control change

  1880.                 switch (cinEvent->type)

  1881.                 {

  1882.                 case CarlaEngineEventNull:

  1883.                     break;

  1884. 

  1885.                 case CarlaEngineEventControlChange:

  1886.                 {

  1887.                     double value;

  1888. 

  1889.                     // Control backend stuff

  1890.                     if (cinEvent->channel == m_ctrlInChannel)

  1891.                     {

  1892.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1893.                         {

  1894.                             value = cinEvent->value;

  1895.                             setDryWet(value, false, false);

  1896.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1897.                             continue;

  1898.                         }

  1899. 

  1900.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1901.                         {

  1902.                             value = cinEvent->value*127/100;

  1903.                             setVolume(value, false, false);

  1904.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  1905.                             continue;

  1906.                         }

  1907. 

  1908.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1909.                         {

  1910.                             double left, right;

  1911.                             value = cinEvent->value/0.5 - 1.0;

  1912. 

  1913.                             if (value < 0.0)

  1914.                             {

  1915.                                 left  = -1.0;

  1916.                                 right = (value*2)+1.0;

  1917.                             }

  1918.                             else if (value > 0.0)

  1919.                             {

  1920.                                 left  = (value*2)-1.0;

  1921.                                 right = 1.0;

  1922.                             }

  1923.                             else

  1924.                             {

  1925.                                 left  = -1.0;

  1926.                                 right = 1.0;

  1927.                             }

  1928. 

  1929.                             setBalanceLeft(left, false, false);

  1930.                             setBalanceRight(right, false, false);

  1931.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1932.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1933.                             continue;

  1934.                         }

  1935.                     }

  1936. 

  1937.                     // Control plugin parameters

  1938.                     for (k=0; k < param.count; k++)

  1939.                     {

  1940.                         if (param.data[k].midiChannel != cinEvent->channel)

  1941.                             continue;

  1942.                         if (param.data[k].midiCC != cinEvent->controller)

  1943.                             continue;

  1944.                         if (param.data[k].type != PARAMETER_INPUT)

  1945.                             continue;

  1946. 

  1947.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  1948.                         {

  1949.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1950.                             {

  1951.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  1952.                             }

  1953.                             else

  1954.                             {

  1955.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  1956. 

  1957.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  1958.                                     value = rint(value);

  1959.                             }

  1960. 

  1961.                             setParameterValue(k, value, false, false, false);

  1962.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  1963.                         }

  1964.                     }

  1965. 

  1966.                     break;

  1967.                 }

  1968. 

  1969.                 case CarlaEngineEventMidiBankChange:

  1970.                     if (cinEvent->channel == m_ctrlInChannel)

  1971.                         nextBankId = rint(cinEvent->value);

  1972.                     break;

  1973. 

  1974.                 case CarlaEngineEventMidiProgramChange:

  1975.                     if (cinEvent->channel == m_ctrlInChannel)

  1976.                     {

  1977.                         uint32_t nextProgramId = rint(cinEvent->value);

  1978. 

  1979.                         for (k=0; k < midiprog.count; k++)

  1980.                         {

  1981.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  1982.                             {

  1983.                                 setMidiProgram(k, false, false, false, false);

  1984.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  1985.                                 break;

  1986.                             }

  1987.                         }

  1988.                     }

  1989.                     break;

  1990. 

  1991.                 case CarlaEngineEventAllSoundOff:

  1992.                     if (cinEvent->channel == m_ctrlInChannel)

  1993.                     {

  1994.                         if (midi.portMin && ! allNotesOffSent)

  1995.                             sendMidiAllNotesOff();

  1996. 

  1997.                         if (descriptor->deactivate)

  1998.                         {

  1999.                             descriptor->deactivate(handle);

  2000.                             if (h2) descriptor->deactivate(h2);

  2001.                         }

  2002. 

  2003.                         if (descriptor->activate)

  2004.                         {

  2005.                             descriptor->activate(handle);

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

  2007.                         }

  2008. 

  2009.                         allNotesOffSent = true;

  2010.                     }

  2011.                     break;

  2012. 

  2013.                 case CarlaEngineEventAllNotesOff:

  2014.                     if (cinEvent->channel == m_ctrlInChannel)

  2015.                     {

  2016.                         if (midi.portMin && ! allNotesOffSent)

  2017.                             sendMidiAllNotesOff();

  2018. 

  2019.                         allNotesOffSent = true;

  2020.                     }

  2021.                     break;

  2022.                 }

  2023.             }

  2024.         } // End of Parameters Input

  2025. 

  2026.         CARLA_PROCESS_CONTINUE_CHECK;

  2027. 

  2028.         // --------------------------------------------------------------------------------------------------------

  2029.         // MIDI Input

  2030. 

  2031.         if (evIn.count > 0 && m_active && m_activeBefore)

  2032.         {

  2033.             // ----------------------------------------------------------------------------------------------------

  2034.             // MIDI Input (External)

  2035. 

  2036.             if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2037.             {

  2038.                 engineMidiLock();

  2039. 

  2040.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2041.                 {

  2042.                     if (extMidiNotes[i].channel < 0)

  2043.                         break;

  2044. 

  2045.                     uint8_t midiEvent[3] = { 0 };

  2046.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2047.                     midiEvent[1] = extMidiNotes[i].note;

  2048.                     midiEvent[2] = extMidiNotes[i].velo;

  2049. 

  2050.                     // send to all midi inputs

  2051.                     for (k=0; k < evIn.count; k++)

  2052.                     {

  2053.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2054.                         {

  2055.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2056.                             {

  2057.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2058.                                 aev->time.frames = 0;

  2059.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2060.                                 aev->body.size   = 3;

  2061.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2062. 

  2063.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2064.                                 evInAtomOffsets[k]           += padSize;

  2065.                                 evIn.data[k].atom->atom.size += padSize;

  2066.                             }

  2067.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2068.                             {

  2069.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2070.                             }

  2071.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2072.                             {

  2073.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2074.                             }

  2075.                         }

  2076.                     }

  2077. 

  2078.                     extMidiNotes[i].channel = -1; // mark as invalid

  2079.                     midiEventCount += 1;

  2080.                 }

  2081. 

  2082.                 engineMidiUnlock();

  2083. 

  2084.             } // End of MIDI Input (External)

  2085. 

  2086.             CARLA_PROCESS_CONTINUE_CHECK;

  2087. 

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

  2089.             // MIDI Input (System)

  2090. 

  2091.             {

  2092.                 for (i=0; i < evIn.count; i++)

  2093.                 {

  2094.                     if (! evIn.data[i].port)

  2095.                         continue;

  2096. 

  2097.                     const CarlaEngineMidiEvent* minEvent;

  2098.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2099. 

  2100.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2101.                     {

  2102.                         minEvent = evIn.data[i].port->getEvent(k);

  2103. 

  2104.                         if (! minEvent)

  2105.                             continue;

  2106. 

  2107.                         time = minEvent->time - framesOffset;

  2108. 

  2109.                         if (time >= frames)

  2110.                             continue;

  2111. 

  2112.                         uint8_t status  = minEvent->data[0];

  2113.                         uint8_t channel = status & 0x0F;

  2114. 

  2115.                         // Fix bad note-off

  2116.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2117.                             status -= 0x10;

  2118. 

  2119.                         // only write supported status types

  2120.                         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))

  2121.                         {

  2122.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2123.                             {

  2124.                                 LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[i].atom) + evInAtomOffsets[i]);

  2125.                                 aev->time.frames = time;

  2126.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2127.                                 aev->body.size   = minEvent->size;

  2128.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2129. 

  2130.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2131.                                 evInAtomOffsets[i]           += padSize;

  2132.                                 evIn.data[i].atom->atom.size += padSize;

  2133.                             }

  2134.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2135.                             {

  2136.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2137.                             }

  2138.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2139.                             {

  2140.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2141.                             }

  2142. 

  2143.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2144.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2145.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2146.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2147.                         }

  2148. 

  2149.                         midiEventCount += 1;

  2150.                     }

  2151.                 }

  2152.             } // End of MIDI Input (System)

  2153. 

  2154.         } // End of MIDI Input

  2155. 

  2156.         CARLA_PROCESS_CONTINUE_CHECK;

  2157. 

  2158.         // --------------------------------------------------------------------------------------------------------

  2159.         // Special Parameters

  2160. 

  2161.         {

  2162.             int32_t rindex;

  2163.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2164. 

  2165.             for (k=0; k < param.count; k++)

  2166.             {

  2167.                 if (param.data[k].type == PARAMETER_LATENCY)

  2168.                 {

  2169.                     // TODO

  2170.                 }

  2171.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2172.                 {

  2173.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2174.                 }

  2175.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2176.                 {

  2177.                     rindex = param.data[k].rindex;

  2178.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2179. 

  2180.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2181.                     {

  2182.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2183.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2184.                             setParameterValue(k, timeInfo->bbt.bar, false, false, false);

  2185.                         break;

  2186.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2187.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2188.                             setParameterValue(k, timeInfo->bbt.tick, false, false, false);

  2189.                         break;

  2190.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2191.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2192.                             setParameterValue(k, timeInfo->bbt.beat, false, false, false);

  2193.                         break;

  2194.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2195.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2196.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2197.                         break;

  2198.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2199.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2200.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2201.                         break;

  2202.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2203.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2204.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2205.                         break;

  2206. 

  2207.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2208.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2209.                         break;

  2210.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2211.                         break;

  2212.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

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

  2214.                         break;

  2215.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2216.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2217.                         break;

  2218.                     }

  2219.                 }

  2220.             }

  2221.         }

  2222. 

  2223.         CARLA_PROCESS_CONTINUE_CHECK;

  2224. 

  2225.         // --------------------------------------------------------------------------------------------------------

  2226.         // Plugin processing

  2227. 

  2228.         if (m_active)

  2229.         {

  2230.             if (! m_activeBefore)

  2231.             {

  2232.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2233.                 {

  2234.                     uint8_t midiEvent1[2] = { 0 };

  2235.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2236.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2237. 

  2238.                     uint8_t midiEvent2[2] = { 0 };

  2239.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2240.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2241. 

  2242.                     // send to all midi inputs

  2243.                     for (k=0; k < evIn.count; k++)

  2244.                     {

  2245.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2246.                         {

  2247.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2248.                             {

  2249.                                 // all sound off

  2250.                                 LV2_Atom_Event* const aev1 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2251.                                 aev1->time.frames = 0;

  2252.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2253.                                 aev1->body.size   = 2;

  2254.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2255. 

  2256.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2257.                                 evInAtomOffsets[k]           += padSize;

  2258.                                 evIn.data[k].atom->atom.size += padSize;

  2259. 

  2260.                                 // all notes off

  2261.                                 LV2_Atom_Event* const aev2 = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evIn.data[k].atom) + evInAtomOffsets[k]);

  2262.                                 aev2->time.frames = 0;

  2263.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2264.                                 aev2->body.size   = 2;

  2265.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2266. 

  2267.                                 evInAtomOffsets[k]           += padSize;

  2268.                                 evIn.data[k].atom->atom.size += padSize;

  2269.                             }

  2270.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2271.                             {

  2272.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2273.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2274.                             }

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

  2276.                             {

  2277.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2278.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2279.                             }

  2280.                         }

  2281.                     }

  2282. 

  2283.                     midiEventCount = 2;

  2284.                 }

  2285. 

  2286.                 if (descriptor->activate)

  2287.                 {

  2288.                     descriptor->activate(handle);

  2289.                     if (h2) descriptor->activate(h2);

  2290.                 }

  2291.             }

  2292. 

  2293.             for (i=0; i < aIn.count; i++)

  2294.             {

  2295.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2296.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2297.             }

  2298. 

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

  2300.             {

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

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

  2303.             }

  2304. 

  2305.             descriptor->run(handle, frames);

  2306.             if (h2) descriptor->run(h2, frames);

  2307. 

  2308.             if (ext.worker)

  2309.             {

  2310.                 // TODO

  2311.                 //ext.worker->work_response();

  2312. 

  2313.                 if (ext.worker->end_run)

  2314.                 {

  2315.                     ext.worker->end_run(handle);

  2316.                     if (h2) ext.worker->end_run(h2);

  2317.                 }

  2318.             }

  2319.         }

  2320.         else

  2321.         {

  2322.             if (m_activeBefore)

  2323.             {

  2324.                 if (descriptor->deactivate)

  2325.                 {

  2326.                     descriptor->deactivate(handle);

  2327.                     if (h2) descriptor->deactivate(h2);

  2328.                 }

  2329.             }

  2330.         }

  2331. 

  2332.         CARLA_PROCESS_CONTINUE_CHECK;

  2333. 

  2334.         // --------------------------------------------------------------------------------------------------------

  2335.         // Post-processing (dry/wet, volume and balance)

  2336. 

  2337.         if (m_active)

  2338.         {

  2339.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2340.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2341.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2342. 

  2343.             double bal_rangeL, bal_rangeR;

  2344.             float oldBufLeft[do_balance ? frames : 0];

  2345. 

  2346.             uint32_t count = h2 ? 2 : aOut.count;

  2347. 

  2348.             for (i=0; i < count; i++)

  2349.             {

  2350.                 // Dry/Wet

  2351.                 if (do_drywet)

  2352.                 {

  2353.                     for (k=0; k < frames; k++)

  2354.                     {

  2355.                         if (aOut.count == 1 && ! h2)

  2356.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2357.                         else

  2358.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2359.                     }

  2360.                 }

  2361. 

  2362.                 // Balance

  2363.                 if (do_balance)

  2364.                 {

  2365.                     if (i%2 == 0)

  2366.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2367. 

  2368.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2369.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2370. 

  2371.                     for (k=0; k < frames; k++)

  2372.                     {

  2373.                         if (i%2 == 0)

  2374.                         {

  2375.                             // left output

  2376.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2377.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2378.                         }

  2379.                         else

  2380.                         {

  2381.                             // right

  2382.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2383.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2384.                         }

  2385.                     }

  2386.                 }

  2387. 

  2388.                 // Volume

  2389.                 if (do_volume)

  2390.                 {

  2391.                     for (k=0; k < frames; k++)

  2392.                         outBuffer[i][k] *= x_volume;

  2393.                 }

  2394. 

  2395.                 // Output VU

  2396.                 for (k=0; i < 2 && k < frames; k++)

  2397.                 {

  2398.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2399.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2400.                 }

  2401.             }

  2402.         }

  2403.         else

  2404.         {

  2405.             // disable any output sound if not active

  2406.             for (i=0; i < aOut.count; i++)

  2407.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2408. 

  2409.             aOutsPeak[0] = 0.0;

  2410.             aOutsPeak[1] = 0.0;

  2411. 

  2412.         } // End of Post-processing

  2413. 

  2414.         CARLA_PROCESS_CONTINUE_CHECK;

  2415. 

  2416.         // --------------------------------------------------------------------------------------------------------

  2417.         // Control Output

  2418. 

  2419.         if (param.portCout && m_active)

  2420.         {

  2421.             double value;

  2422. 

  2423.             for (k=0; k < param.count; k++)

  2424.             {

  2425.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2426.                 {

  2427.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2428. 

  2429.                     if (param.data[k].midiCC > 0)

  2430.                     {

  2431.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2432.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2433.                     }

  2434.                 }

  2435.             }

  2436.         } // End of Control Output

  2437. 

  2438.         CARLA_PROCESS_CONTINUE_CHECK;

  2439. 

  2440.         // --------------------------------------------------------------------------------------------------------

  2441.         // MIDI Output

  2442. 

  2443.         if (evOut.count > 0 && m_active)

  2444.         {

  2445.             for (i=0; i < evOut.count; i++)

  2446.             {

  2447.                 if (! evOut.data[i].port)

  2448.                     continue;

  2449. 

  2450.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2451.                 {

  2452.                     uint32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2453.                     uint32_t offset = 0;

  2454. 

  2455.                     while (offset < size)

  2456.                     {

  2457.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2458. 

  2459.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2460.                             break;

  2461. 

  2462.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2463.                         {

  2464.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2465.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2466.                         }

  2467. 

  2468.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2469.                     }

  2470.                 }

  2471.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2472.                 {

  2473.                     const LV2_Event* ev;

  2474.                     LV2_Event_Iterator iter;

  2475. 

  2476.                     uint8_t* data;

  2477.                     lv2_event_begin(&iter, evOut.data[i].event);

  2478. 

  2479.                     for (k=0; k < iter.buf->event_count; k++)

  2480.                     {

  2481.                         ev = lv2_event_get(&iter, &data);

  2482. 

  2483.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2484.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2485. 

  2486.                         lv2_event_increment(&iter);

  2487.                     }

  2488.                 }

  2489.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2490.                 {

  2491.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2492. 

  2493.                     uint32_t eventSize;

  2494.                     double   eventTime;

  2495.                     unsigned char* eventData;

  2496. 

  2497.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2498.                     {

  2499.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2500.                         lv2midi_step(&state);

  2501.                     }

  2502.                 }

  2503.             }

  2504.         } // End of MIDI Output

  2505. 

  2506.         CARLA_PROCESS_CONTINUE_CHECK;

  2507. 

  2508.         // --------------------------------------------------------------------------------------------------------

  2509.         // Peak Values

  2510. 

  2511.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2512.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2513.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2514.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2515. 

  2516.         m_activeBefore = m_active;

  2517.     }

  2518. 

  2519.     void bufferSizeChanged(const uint32_t newBufferSize)

  2520.     {

  2521.         lv2Options.bufferSize = newBufferSize;

  2522.     }

  2523. 

  2524.     // -------------------------------------------------------------------

  2525.     // Post-poned events

  2526. 

  2527.     void uiParameterChange(const uint32_t index, const double value)

  2528.     {

  2529.         Q_ASSERT(index < param.count);

  2530. 

  2531.         if (index >= param.count)

  2532.             return;

  2533. 

  2534. #ifndef BUILD_BRIDGE

  2535.         if (gui.type == GUI_EXTERNAL_OSC)

  2536.         {

  2537.             if (osc.data.target)

  2538.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2539.         }

  2540.         else

  2541. #endif

  2542.         {

  2543.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2544.             {

  2545.                 float valueF = value;

  2546.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2547.             }

  2548.         }

  2549.     }

  2550. 

  2551.     void uiMidiProgramChange(const uint32_t index)

  2552.     {

  2553.         Q_ASSERT(index < midiprog.count);

  2554. 

  2555.         if (index >= midiprog.count)

  2556.             return;

  2557. 

  2558. #ifndef BUILD_BRIDGE

  2559.         if (gui.type == GUI_EXTERNAL_OSC)

  2560.         {

  2561.             if (osc.data.target)

  2562.                 osc_send_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2563.         }

  2564.         else

  2565. #endif

  2566.         {

  2567.             if (ext.uiprograms)

  2568.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2569.         }

  2570.     }

  2571. 

  2572.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2573.     {

  2574.         Q_ASSERT(channel < 16);

  2575.         Q_ASSERT(note < 128);

  2576.         Q_ASSERT(velo < 128);

  2577. 

  2578. #ifndef BUILD_BRIDGE

  2579.         if (gui.type == GUI_EXTERNAL_OSC)

  2580.         {

  2581.             if (osc.data.target)

  2582.             {

  2583.                 uint8_t midiData[4] = { 0 };

  2584.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2585.                 midiData[2] = note;

  2586.                 midiData[3] = velo;

  2587.                 osc_send_midi(&osc.data, midiData);

  2588.             }

  2589.         }

  2590.         else

  2591. #endif

  2592.         {

  2593.             uiTransferAtom(); // TODO

  2594.         }

  2595.     }

  2596. 

  2597.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2598.     {

  2599.         Q_ASSERT(channel < 16);

  2600.         Q_ASSERT(note < 128);

  2601. 

  2602. #ifndef BUILD_BRIDGE

  2603.         if (gui.type == GUI_EXTERNAL_OSC)

  2604.         {

  2605.             if (osc.data.target)

  2606.             {

  2607.                 uint8_t midiData[4] = { 0 };

  2608.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2609.                 midiData[2] = note;

  2610.                 osc_send_midi(&osc.data, midiData);

  2611.             }

  2612.         }

  2613.         else

  2614. #endif

  2615.         {

  2616.             uiTransferAtom(); // TODO

  2617.         }

  2618.     }

  2619. 

  2620.     // -------------------------------------------------------------------

  2621.     // Cleanup

  2622. 

  2623.     void removeClientPorts()

  2624.     {

  2625.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2626. 

  2627.         for (uint32_t i=0; i < evIn.count; i++)

  2628.         {

  2629.             if (evIn.data[i].port)

  2630.             {

  2631.                 delete evIn.data[i].port;

  2632.                 evIn.data[i].port = nullptr;

  2633.             }

  2634.         }

  2635. 

  2636.         for (uint32_t i=0; i < evOut.count; i++)

  2637.         {

  2638.             if (evOut.data[i].port)

  2639.             {

  2640.                 delete evOut.data[i].port;

  2641.                 evOut.data[i].port = nullptr;

  2642.             }

  2643.         }

  2644. 

  2645.         CarlaPlugin::removeClientPorts();

  2646. 

  2647.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2648.     }

  2649. 

  2650.     void initBuffers()

  2651.     {

  2652.         uint32_t i;

  2653. 

  2654.         for (i=0; i < evIn.count; i++)

  2655.         {

  2656.             if (evIn.data[i].port)

  2657.                 evIn.data[i].port->initBuffer(x_engine);

  2658.         }

  2659. 

  2660.         for (uint32_t i=0; i < evOut.count; i++)

  2661.         {

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

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

  2664.         }

  2665. 

  2666.         CarlaPlugin::initBuffers();

  2667.     }

  2668. 

  2669.     void deleteBuffers()

  2670.     {

  2671.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2672. 

  2673.         if (evIn.count > 0)

  2674.         {

  2675.             for (uint32_t i=0; i < evIn.count; i++)

  2676.             {

  2677.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2678.                 {

  2679.                     free(evIn.data[i].atom);

  2680.                 }

  2681.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2682.                 {

  2683.                     free(evIn.data[i].event);

  2684.                 }

  2685.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2686.                 {

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

  2688.                     delete evIn.data[i].midi;

  2689.                 }

  2690.             }

  2691. 

  2692.             delete[] evIn.data;

  2693.         }

  2694. 

  2695.         if (evOut.count > 0)

  2696.         {

  2697.             for (uint32_t i=0; i < evOut.count; i++)

  2698.             {

  2699.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2700.                 {

  2701.                     free(evOut.data[i].atom);

  2702.                 }

  2703.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2704.                 {

  2705.                     free(evOut.data[i].event);

  2706.                 }

  2707.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2708.                 {

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

  2710.                     delete evOut.data[i].midi;

  2711.                 }

  2712.             }

  2713. 

  2714.             delete[] evOut.data;

  2715.         }

  2716. 

  2717.         if (param.count > 0)

  2718.             delete[] paramBuffers;

  2719. 

  2720.         evIn.count = 0;

  2721.         evIn.data  = nullptr;

  2722. 

  2723.         evOut.count = 0;

  2724.         evOut.data  = nullptr;

  2725. 

  2726.         paramBuffers = nullptr;

  2727. 

  2728.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2729.     }

  2730. 

  2731.     // -------------------------------------------------------------------

  2732. 

  2733.     uint32_t getCustomURID(const char* const uri)

  2734.     {

  2735.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2736.         Q_ASSERT(uri);

  2737. 

  2738.         if (! uri)

  2739.             return CARLA_URI_MAP_ID_NULL;

  2740. 

  2741.         for (size_t i=0; i < customURIDs.size(); i++)

  2742.         {

  2743.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2744.                 return i;

  2745.         }

  2746. 

  2747.         customURIDs.push_back(strdup(uri));

  2748. 

  2749.         return customURIDs.size()-1;

  2750.     }

  2751. 

  2752.     const char* getCustomURIString(const LV2_URID urid) const

  2753.     {

  2754.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2755.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2756. 

  2757.         if (urid == CARLA_URI_MAP_ID_NULL)

  2758.             return nullptr;

  2759.         if (urid < customURIDs.size())

  2760.             return customURIDs[urid];

  2761. 

  2762.         return nullptr;

  2763.     }

  2764. 

  2765.     // -------------------------------------------------------------------

  2766. 

  2767.     void handleTransferAtom(const LV2_Atom* const atom, const char* const stype)

  2768.     {

  2769.         qDebug("Lv2Plugin::handleAtomTransfer(%p, \"%s\")", atom, stype);

  2770.         Q_ASSERT(atom);

  2771.         Q_ASSERT(stype);

  2772. 

  2773.         // TODO

  2774.     }

  2775. 

  2776.     void handleTransferEvent(const LV2_Atom* const atom, const char* const stype)

  2777.     {

  2778.         qDebug("Lv2Plugin::handleEventTransfer(%p, \"%s\")", atom, stype);

  2779.         Q_ASSERT(atom);

  2780.         Q_ASSERT(stype);

  2781. 

  2782.         const LV2_URID uridAtomBlank = getCustomURID(LV2_ATOM__Blank);

  2783.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  2784.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  2785. 

  2786.         if (atom->type != uridAtomBlank)

  2787.         {

  2788.             qWarning("Lv2Plugin::handleEventTransfer() - Not blank");

  2789.             return;

  2790.         }

  2791. 

  2792.         const LV2_Atom_Object* const obj = (LV2_Atom_Object*)atom;

  2793. 

  2794.         if (obj->body.otype != uridPatchSet)

  2795.         {

  2796.             qWarning("Lv2Plugin::handleEventTransfer() - Not Patch Set");

  2797.             return;

  2798.         }

  2799. 

  2800.         const LV2_Atom_Object* body = nullptr;

  2801.         lv2_atom_object_get(obj, uridPatchBody, &body, 0);

  2802. 

  2803.         if (! body)

  2804.         {

  2805.             qWarning("Lv2Plugin::handleEventTransfer() - Has no body");

  2806.             return;

  2807.         }

  2808. 

  2809.         LV2_ATOM_OBJECT_FOREACH(body, iter)

  2810.         {

  2811.             CustomDataType dtype  = CUSTOM_DATA_INVALID;

  2812.             const char* const key = getCustomURIString(iter->key);

  2813.             const char* value     = nullptr;

  2814. 

  2815.             if (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING || iter->value.type == CARLA_URI_MAP_ID_ATOM_PATH)

  2816.             {

  2817.                 value = strdup((const char*)LV2_ATOM_BODY(&iter->value));

  2818.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_STRING) ? CUSTOM_DATA_STRING : CUSTOM_DATA_PATH;

  2819.             }

  2820.             else if (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK || iter->value.type >= CARLA_URI_MAP_ID_COUNT)

  2821.             {

  2822.                 QByteArray chunk((const char*)LV2_ATOM_BODY(&iter->value), iter->value.size);

  2823.                 value = strdup(chunk.toBase64().constData());

  2824.                 dtype = (iter->value.type == CARLA_URI_MAP_ID_ATOM_CHUNK) ? CUSTOM_DATA_CHUNK : CUSTOM_DATA_BINARY; // FIXME - binary should be custom stype

  2825.             }

  2826.             else

  2827.                 value = strdup("");

  2828. 

  2829.             setCustomData(dtype, key, value, false);

  2830. 

  2831.             free((void*)value);

  2832.         }

  2833.     }

  2834. 

  2835.     // -------------------------------------------------------------------

  2836. 

  2837.     void handleProgramChanged(const int32_t index)

  2838.     {

  2839.         if (index == -1)

  2840.         {

  2841.             const CarlaPlugin::ScopedDisabler m(this);

  2842.             reloadPrograms(false);

  2843.         }

  2844.         else

  2845.         {

  2846.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2847.             {

  2848.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2849.                 Q_ASSERT(progName);

  2850. 

  2851.                 if (prog.names[index])

  2852.                     free((void*)prog.names[index]);

  2853. 

  2854.                 prog.names[index] = strdup(progName);

  2855.             }

  2856.         }

  2857. 

  2858.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  2859.     }

  2860. 

  2861.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  2862.     {

  2863.         Q_ASSERT(key > 0);

  2864.         Q_ASSERT(value);

  2865. 

  2866.         CustomDataType dtype;

  2867.         const char* const uriKey = getCustomURIString(key);

  2868. 

  2869.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  2870.             dtype = CUSTOM_DATA_CHUNK;

  2871.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  2872.             dtype = CUSTOM_DATA_PATH;

  2873.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  2874.             dtype = CUSTOM_DATA_STRING;

  2875.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  2876.             dtype = CUSTOM_DATA_BINARY;

  2877.         else

  2878.             dtype = CUSTOM_DATA_INVALID;

  2879. 

  2880.         // do basic checks

  2881.         if (! uriKey)

  2882.         {

  2883.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  2884.             return LV2_STATE_ERR_NO_PROPERTY;

  2885.         }

  2886. 

  2887.         if (! flags & LV2_STATE_IS_POD)

  2888.         {

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

  2890.             return LV2_STATE_ERR_BAD_FLAGS;

  2891.         }

  2892. 

  2893.         if (dtype == CUSTOM_DATA_INVALID)

  2894.         {

  2895.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  2896.             return LV2_STATE_ERR_BAD_TYPE;

  2897.         }

  2898. 

  2899.         // Check if we already have this key

  2900.         for (size_t i=0; i < custom.size(); i++)

  2901.         {

  2902.             if (strcmp(custom[i].key, uriKey) == 0)

  2903.             {

  2904.                 free((void*)custom[i].value);

  2905. 

  2906.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2907.                     custom[i].value = strdup((const char*)value);

  2908.                 else

  2909.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2910. 

  2911.                 return LV2_STATE_SUCCESS;

  2912.             }

  2913.         }

  2914. 

  2915.         // Otherwise store it

  2916.         CustomData newData;

  2917.         newData.type = dtype;

  2918.         newData.key  = strdup(uriKey);

  2919. 

  2920.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  2921.             newData.value = strdup((const char*)value);

  2922.         else

  2923.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  2924. 

  2925.         custom.push_back(newData);

  2926. 

  2927.         return LV2_STATE_SUCCESS;

  2928.     }

  2929. 

  2930.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  2931.     {

  2932.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  2933. 

  2934.         const char* const uriKey = getCustomURIString(key);

  2935. 

  2936.         if (! uriKey)

  2937.         {

  2938.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  2939.             return nullptr;

  2940.         }

  2941. 

  2942.         const char* stringData = nullptr;

  2943.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  2944. 

  2945.         for (size_t i=0; i < custom.size(); i++)

  2946.         {

  2947.             if (strcmp(custom[i].key, uriKey) == 0)

  2948.             {

  2949.                 dtype      = custom[i].type;

  2950.                 stringData = custom[i].value;

  2951.                 break;

  2952.             }

  2953.         }

  2954. 

  2955.         if (! stringData)

  2956.         {

  2957.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  2958.             return nullptr;

  2959.         }

  2960. 

  2961.         *size  = 0;

  2962.         *type  = 0;

  2963.         *flags = LV2_STATE_IS_POD;

  2964. 

  2965.         if (dtype == CUSTOM_DATA_STRING)

  2966.         {

  2967.             *size = strlen(stringData);

  2968.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  2969.             return stringData;

  2970.         }

  2971.         if (dtype == CUSTOM_DATA_PATH)

  2972.         {

  2973.             *size = strlen(stringData);

  2974.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  2975.             return stringData;

  2976.         }

  2977.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  2978.         {

  2979.             static QByteArray chunk;

  2980.             chunk = QByteArray::fromBase64(stringData);

  2981. 

  2982.             *size = chunk.size();

  2983.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  2984.             return chunk.constData();

  2985.         }

  2986. 

  2987.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  2988.         return nullptr;

  2989.     }

  2990. 

  2991.     LV2_Worker_Status handleWorkerSchedule(const uint32_t /*size*/, const void* const /*data*/)

  2992.     {

  2993.         // TODO

  2994.         return LV2_WORKER_SUCCESS;

  2995.     }

  2996. 

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

  2998.     {

  2999.         // TODO

  3000.         if (ext.worker)

  3001.             return LV2_WORKER_SUCCESS;

  3002. 

  3003.         return LV2_WORKER_ERR_UNKNOWN;

  3004.     }

  3005. 

  3006.     void handleExternalUiClosed()

  3007.     {

  3008.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3009.             ui.descriptor->cleanup(ui.handle);

  3010. 

  3011.         ui.handle = nullptr;

  3012.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3013.     }

  3014. 

  3015.     uint32_t handleUiPortMap(const char* const symbol)

  3016.     {

  3017.         Q_ASSERT(symbol);

  3018. 

  3019.         if (! symbol)

  3020.             return LV2UI_INVALID_PORT_INDEX;

  3021. 

  3022.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3023.         {

  3024.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3025.                 return i;

  3026.         }

  3027. 

  3028.         return LV2UI_INVALID_PORT_INDEX;

  3029.     }

  3030. 

  3031.     int handleUiResize(const int width, const int height)

  3032.     {

  3033.         Q_ASSERT(width > 0);

  3034.         Q_ASSERT(height > 0);

  3035. 

  3036.         if (width <= 0 || height <= 0)

  3037.             return 1;

  3038. 

  3039.         gui.width  = width;

  3040.         gui.height = height;

  3041.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3042. 

  3043.         return 0;

  3044.     }

  3045. 

  3046.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3047.     {

  3048.         if (format == 0)

  3049.         {

  3050.             Q_ASSERT(buffer);

  3051.             Q_ASSERT(bufferSize == sizeof(float));

  3052. 

  3053.             float value = *(float*)buffer;

  3054. 

  3055.             for (uint32_t i=0; i < param.count; i++)

  3056.             {

  3057.                 if (param.data[i].rindex == (int32_t)rindex)

  3058.                     return setParameterValue(i, value, false, true, true);

  3059.             }

  3060.         }

  3061.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3062.         {

  3063.             Q_ASSERT(buffer);

  3064. 

  3065.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3066.             handleTransferAtom(atom, getCustomURIString(atom->type));

  3067. 

  3068.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3069.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, atom);

  3070.         }

  3071.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3072.         {

  3073.             Q_ASSERT(buffer);

  3074. 

  3075.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3076.             handleTransferEvent(atom, getCustomURIString(atom->type));

  3077. 

  3078.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  3079.                 ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3080.         }

  3081.     }

  3082. 

  3083.     // -------------------------------------------------------------------

  3084. 

  3085. #ifndef BUILD_BRIDGE

  3086.     bool isUiBridgeable(const uint32_t uiId)

  3087.     {

  3088.         Q_ASSERT(rdf_descriptor);

  3089.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3090. 

  3091.         if (uiId >= rdf_descriptor->UICount)

  3092.             return false;

  3093. 

  3094.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3095. 

  3096.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3097.         {

  3098.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3099.                 return false;

  3100.         }

  3101. 

  3102.         return true;

  3103.     }

  3104. #endif

  3105. 

  3106.     bool isUiResizable()

  3107.     {

  3108.         Q_ASSERT(ui.rdf_descriptor);

  3109. 

  3110.         if (! ui.rdf_descriptor)

  3111.             return false;

  3112. 

  3113.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3114.         {

  3115.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3116.                 return false;

  3117.         }

  3118. 

  3119.         return true;

  3120.     }

  3121. 

  3122.     void initExternalUi()

  3123.     {

  3124.         qDebug("Lv2Plugin::initExternalUi()");

  3125. 

  3126.         ui.widget = nullptr;

  3127.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3128. 

  3129.         if (ui.handle && ui.widget)

  3130.         {

  3131.             updateUi();

  3132.         }

  3133.         else

  3134.         {

  3135.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3136.             ui.handle = nullptr;

  3137.             ui.widget = nullptr;

  3138.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3139.         }

  3140.     }

  3141. 

  3142.     void uiTransferAtom()

  3143.     {

  3144.         // TODO

  3145.     }

  3146. 

  3147.     void uiTransferEvent(const CustomData* const cdata)

  3148.     {

  3149.         if (cdata->type == CUSTOM_DATA_INVALID || ! ui.descriptor->port_event)

  3150.             return;

  3151. 

  3152.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3153.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3154.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3155. 

  3156.         Sratom* const sratom = sratom_new(URID_Map);

  3157.         SerdChunk     chunk  = { nullptr, 0 };

  3158. 

  3159.         LV2_Atom_Forge forge;

  3160.         lv2_atom_forge_init(&forge, URID_Map);

  3161.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3162. 

  3163.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3164.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3165. 

  3166.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3167.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3168. 

  3169.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3170. 

  3171.         if (cdata->type == CUSTOM_DATA_STRING)

  3172.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3173.         else if (cdata->type == CUSTOM_DATA_PATH)

  3174.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3175.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3176.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3177.         else

  3178.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3179. 

  3180.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3181.         lv2_atom_forge_pop(&forge, &refFrame);

  3182. 

  3183.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3184.         ui.descriptor->port_event(ui.handle, 0, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3185. 

  3186.         free((void*)chunk.buf);

  3187.         sratom_free(sratom);

  3188.     }

  3189. 

  3190.     void updateUi()

  3191.     {

  3192.         qDebug("Lv2Plugin::updateUi()");

  3193. 

  3194.         ext.uiprograms = nullptr;

  3195. 

  3196.         if (ui.handle && ui.descriptor)

  3197.         {

  3198.             if (ui.descriptor->extension_data)

  3199.             {

  3200.                 ext.uiprograms = (LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3201. 

  3202.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3203.                     // invalid

  3204.                     ext.uiprograms = nullptr;

  3205. 

  3206.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3207.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3208.             }

  3209. 

  3210.             if (ui.descriptor->port_event)

  3211.             {

  3212.                 // get&store custom data to be sent to the UI

  3213.                 prepareForSave();

  3214. 

  3215.                 // update state (custom data)

  3216.                 for (size_t i=0; i < custom.size(); i++)

  3217.                     uiTransferEvent(&custom[i]);

  3218. 

  3219.                 // update control ports

  3220.                 float valueF;

  3221.                 for (uint32_t i=0; i < param.count; i++)

  3222.                 {

  3223.                     valueF = getParameterValue(i);

  3224.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), 0, &valueF);

  3225.                 }

  3226.             }

  3227.         }

  3228.     }

  3229. 

  3230.     // ----------------- Event Feature ---------------------------------------------------

  3231. 

  3232.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3233.     {

  3234.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3235.         Q_ASSERT(callback_data);

  3236.         Q_ASSERT(event);

  3237. 

  3238.         return 0;

  3239.     }

  3240. 

  3241.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3242.     {

  3243.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3244.         Q_ASSERT(callback_data);

  3245.         Q_ASSERT(event);

  3246. 

  3247.         return 0;

  3248.     }

  3249. 

  3250.     // ----------------- Logs Feature ----------------------------------------------------

  3251. 

  3252.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3253.     {

  3254.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3255.         Q_ASSERT(handle);

  3256.         Q_ASSERT(type > 0);

  3257. 

  3258. #ifndef DEBUG

  3259.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3260.             return 0;

  3261. #endif

  3262. 

  3263.         va_list args;

  3264.         va_start(args, fmt);

  3265.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3266.         va_end(args);

  3267. 

  3268.         return ret;

  3269.     }

  3270. 

  3271.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3272.     {

  3273.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3274.         Q_ASSERT(handle);

  3275.         Q_ASSERT(type > 0);

  3276. 

  3277. #ifndef DEBUG

  3278.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3279.             return 0;

  3280. #endif

  3281. 

  3282.         char buf[8196];

  3283.         vsprintf(buf, fmt, ap);

  3284. 

  3285.         if (*buf == 0)

  3286.             return 0;

  3287. 

  3288.         switch (type)

  3289.         {

  3290.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3291.             qCritical("%s", buf);

  3292.             break;

  3293.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3294.             printf("%s\n", buf);

  3295.             break;

  3296.         case CARLA_URI_MAP_ID_LOG_TRACE:

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

  3298.             break;

  3299.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3300.             qWarning("%s", buf);

  3301.             break;

  3302.         default:

  3303.             break;

  3304.         }

  3305. 

  3306.         return strlen(buf);

  3307.     }

  3308. 

  3309.     // ----------------- Programs Feature ------------------------------------------------

  3310. 

  3311.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3312.     {

  3313.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3314.         Q_ASSERT(handle);

  3315. 

  3316.         if (! handle)

  3317.             return;

  3318. 

  3319.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3320.         plugin->handleProgramChanged(index);

  3321.     }

  3322. 

  3323.     // ----------------- State Feature ---------------------------------------------------

  3324. 

  3325.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3326.     {

  3327.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3328.         Q_ASSERT(handle);

  3329.         Q_ASSERT(path);

  3330. 

  3331.         if (! path)

  3332.             return nullptr;

  3333. 

  3334.         QDir dir;

  3335.         dir.mkpath(path);

  3336.         return strdup(path);

  3337.     }

  3338. 

  3339.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3340.     {

  3341.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3342.         Q_ASSERT(handle);

  3343.         Q_ASSERT(absolute_path);

  3344. 

  3345.         if (! absolute_path)

  3346.             return nullptr;

  3347. 

  3348.         QDir dir(absolute_path);

  3349.         return strdup(dir.canonicalPath().toUtf8().constData());

  3350.     }

  3351. 

  3352.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3353.     {

  3354.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3355.         Q_ASSERT(handle);

  3356.         Q_ASSERT(abstract_path);

  3357. 

  3358.         if (! abstract_path)

  3359.             return nullptr;

  3360. 

  3361.         QDir dir(abstract_path);

  3362.         return strdup(dir.absolutePath().toUtf8().constData());

  3363.     }

  3364. 

  3365.     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)

  3366.     {

  3367.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3368.         Q_ASSERT(handle);

  3369. 

  3370.         if (! handle)

  3371.             return LV2_STATE_ERR_UNKNOWN;

  3372. 

  3373.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3374.         return plugin->handleStateStore(key, value, size, type, flags);

  3375.     }

  3376. 

  3377.     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)

  3378.     {

  3379.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3380.         Q_ASSERT(handle);

  3381. 

  3382.         if (! handle)

  3383.             return nullptr;

  3384. 

  3385.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3386.         return plugin->handleStateRetrieve(key, size, type, flags);

  3387.     }

  3388. 

  3389.     // ----------------- URI-Map Feature -------------------------------------------------

  3390. 

  3391.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3392.     {

  3393.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3394.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3395.     }

  3396. 

  3397.     // ----------------- URID Feature ----------------------------------------------------

  3398. 

  3399.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3400.     {

  3401.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3402.         Q_ASSERT(handle);

  3403.         Q_ASSERT(uri);

  3404. 

  3405.         if (! uri)

  3406.             return CARLA_URI_MAP_ID_NULL;

  3407. 

  3408.         // Atom types

  3409.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3410.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3411.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3412.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3413.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3414.             return CARLA_URI_MAP_ID_ATOM_INT;

  3415.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3416.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3417.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3418.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3419.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3420.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3421.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3422.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3423.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3424.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3425. 

  3426.         // BufSize types

  3427.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3428.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3429.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3430.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3431.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3432.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3433. 

  3434.         // Log types

  3435.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3436.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3437.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3438.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3439.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3440.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3441.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3442.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3443. 

  3444.         // Others

  3445.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3446.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3447.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3448.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3449. 

  3450.         if (! handle)

  3451.             return CARLA_URI_MAP_ID_NULL;

  3452. 

  3453.         // Custom types

  3454.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3455.         return plugin->getCustomURID(uri);

  3456.     }

  3457. 

  3458.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3459.     {

  3460.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3461.         Q_ASSERT(handle);

  3462.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3463. 

  3464.         if (urid == CARLA_URI_MAP_ID_NULL)

  3465.             return nullptr;

  3466. 

  3467.         // Atom types

  3468.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3469.             return LV2_ATOM__Chunk;

  3470.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3471.             return LV2_ATOM__Double;

  3472.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3473.             return LV2_ATOM__Int;

  3474.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3475.             return LV2_ATOM__Path;

  3476.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3477.             return LV2_ATOM__Sequence;

  3478.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3479.             return LV2_ATOM__String;

  3480.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3481.             return LV2_ATOM__atomTransfer;

  3482.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3483.             return LV2_ATOM__eventTransfer;

  3484. 

  3485.         // BufSize types

  3486.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3487.             return LV2_BUF_SIZE__maxBlockLength;

  3488.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3489.             return LV2_BUF_SIZE__minBlockLength;

  3490.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3491.             return LV2_BUF_SIZE__sequenceSize;

  3492. 

  3493.         // Log types

  3494.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3495.             return LV2_LOG__Error;

  3496.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3497.             return LV2_LOG__Note;

  3498.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3499.             return LV2_LOG__Trace;

  3500.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3501.             return LV2_LOG__Warning;

  3502. 

  3503.         // Others

  3504.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3505.             return LV2_MIDI__MidiEvent;

  3506.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3507.             return LV2_PARAMETERS__sampleRate;

  3508. 

  3509.         if (! handle)

  3510.             return nullptr;

  3511. 

  3512.         // Custom types

  3513.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3514.         return plugin->getCustomURIString(urid);

  3515.     }

  3516. 

  3517.     // ----------------- Worker Feature --------------------------------------------------

  3518. 

  3519.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3520.     {

  3521.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3522.         Q_ASSERT(handle);

  3523. 

  3524.         if (! handle)

  3525.             return LV2_WORKER_ERR_UNKNOWN;

  3526. 

  3527.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3528.         return plugin->handleWorkerSchedule(size, data);

  3529.     }

  3530. 

  3531.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3532.     {

  3533.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3534.         Q_ASSERT(handle);

  3535. 

  3536.         if (! handle)

  3537.             return LV2_WORKER_ERR_UNKNOWN;

  3538. 

  3539.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3540.         return plugin->handleWorkerRespond(size, data);

  3541.     }

  3542. 

  3543.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3544. 

  3545.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3546.     {

  3547.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3548.         Q_ASSERT(handle);

  3549. 

  3550.         if (! handle)

  3551.             return LV2UI_INVALID_PORT_INDEX;

  3552. 

  3553.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3554.         return plugin->handleUiPortMap(symbol);

  3555.     }

  3556. 

  3557.     // ----------------- UI Resize Feature -----------------------------------------------

  3558. 

  3559.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3560.     {

  3561.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3562.         Q_ASSERT(handle);

  3563. 

  3564.         if (! handle)

  3565.             return 1;

  3566. 

  3567.         Lv2Plugin* const plugin  = (Lv2Plugin*)handle;

  3568.         return plugin->handleUiResize(width, height);

  3569.     }

  3570. 

  3571.     // ----------------- External UI Feature ---------------------------------------------

  3572. 

  3573.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3574.     {

  3575.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3576.         Q_ASSERT(controller);

  3577. 

  3578.         if (! controller)

  3579.             return;

  3580. 

  3581.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3582.         plugin->handleExternalUiClosed();

  3583.     }

  3584. 

  3585.     // ----------------- UI Extension ----------------------------------------------------

  3586. 

  3587.     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)

  3588.     {

  3589.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3590.         Q_ASSERT(controller);

  3591. 

  3592.         if (! controller)

  3593.             return;

  3594. 

  3595.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3596.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3597.     }

  3598. 

  3599.     // -------------------------------------------------------------------

  3600. 

  3601.     bool uiLibOpen(const char* const filename)

  3602.     {

  3603.         ui.lib = lib_open(filename);

  3604.         return bool(ui.lib);

  3605.     }

  3606. 

  3607.     bool uiLibClose()

  3608.     {

  3609.         if (ui.lib)

  3610.             return lib_close(ui.lib);

  3611.         return false;

  3612.     }

  3613. 

  3614.     void* uiLibSymbol(const char* const symbol)

  3615.     {

  3616.         if (ui.lib)

  3617.             return lib_symbol(ui.lib, symbol);

  3618.         return nullptr;

  3619.     }

  3620. 

  3621.     // -------------------------------------------------------------------

  3622. 

  3623.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3624.     {

  3625.         // ---------------------------------------------------------------

  3626.         // get plugin from lv2_rdf (lilv)

  3627. 

  3628.         rdf_descriptor = lv2_rdf_new(URI);

  3629. 

  3630.         if (! rdf_descriptor)

  3631.         {

  3632.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3633.             return false;

  3634.         }

  3635. 

  3636.         // ---------------------------------------------------------------

  3637.         // open DLL

  3638. 

  3639.         if (! libOpen(rdf_descriptor->Binary))

  3640.         {

  3641.             setLastError(libError(rdf_descriptor->Binary));

  3642.             return false;

  3643.         }

  3644. 

  3645.         // ---------------------------------------------------------------

  3646.         // get DLL main entry

  3647. 

  3648.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3649. 

  3650.         if (! descFn)

  3651.         {

  3652.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3653.             return false;

  3654.         }

  3655. 

  3656.         // ---------------------------------------------------------------

  3657.         // get descriptor that matches URI

  3658. 

  3659.         uint32_t i = 0;

  3660.         while ((descriptor = descFn(i++)))

  3661.         {

  3662.             if (strcmp(descriptor->URI, URI) == 0)

  3663.                 break;

  3664.         }

  3665. 

  3666.         if (! descriptor)

  3667.         {

  3668.             setLastError("Could not find the requested plugin URI in the plugin library");

  3669.             return false;

  3670.         }

  3671. 

  3672.         // ---------------------------------------------------------------

  3673.         // check supported port-types and features

  3674. 

  3675.         bool canContinue = true;

  3676. 

  3677.         // Check supported ports

  3678.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3679.         {

  3680.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3681.             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)))

  3682.             {

  3683.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3684.                 {

  3685.                     setLastError("Plugin requires a port that is not currently supported");

  3686.                     canContinue = false;

  3687.                     break;

  3688.                 }

  3689.             }

  3690.         }

  3691. 

  3692.         // Check supported features

  3693.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3694.         {

  3695.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3696.             {

  3697.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3698.                 setLastError(msg.toUtf8().constData());

  3699.                 canContinue = false;

  3700.                 break;

  3701.             }

  3702.         }

  3703. 

  3704.         // Check extensions

  3705.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3706.         {

  3707.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3708.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3709.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3710.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3711.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3712.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3713.             else

  3714.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3715.         }

  3716. 

  3717.         if (! canContinue)

  3718.         {

  3719.             // error already set

  3720.             return false;

  3721.         }

  3722. 

  3723.         // ---------------------------------------------------------------

  3724.         // initialize features

  3725. 

  3726.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3727.         eventFt->callback_data           = this;

  3728.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3729.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3730. 

  3731.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3732.         logFt->handle                    = this;

  3733.         logFt->printf                    = carla_lv2_log_printf;

  3734.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3735. 

  3736.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3737.         programsFt->handle                         = this;

  3738.         programsFt->program_changed                = carla_lv2_program_changed;

  3739. 

  3740.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3741.         stateMakePathFt->handle                    = this;

  3742.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3743. 

  3744.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3745.         stateMapPathFt->handle                     = this;

  3746.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3747.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3748. 

  3749.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3750.         uriMapFt->callback_data             = this;

  3751.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3752. 

  3753.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3754.         uridMapFt->handle                   = this;

  3755.         uridMapFt->map                      = carla_lv2_urid_map;

  3756. 

  3757.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3758.         uridUnmapFt->handle                 = this;

  3759.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3760. 

  3761.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3762.         workerFt->handle                    = this;

  3763.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3764. 

  3765.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3766.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3767.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3768.         optionsFt[2] = lv2Options.oSequenceSize;

  3769.         optionsFt[3] = lv2Options.oSampleRate;

  3770.         optionsFt[4] = lv2Options.oNull;

  3771. 

  3772.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3773.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3774.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3775. 

  3776. #ifndef BUILD_BRIDGE

  3777.         if (carlaOptions.processHighPrecision)

  3778.         {

  3779.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3780.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3781.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3782. 

  3783.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3784.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3785.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3786.         }

  3787.         else

  3788. #endif

  3789.         {

  3790.             // fake, used to keep a valid array

  3791.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3792.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3793.         }

  3794. 

  3795.         features[lv2_feature_id_event]          = new LV2_Feature;

  3796.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3797.         features[lv2_feature_id_event]->data    = eventFt;

  3798. 

  3799.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3800.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3801.         features[lv2_feature_id_logs]->data     = logFt;

  3802. 

  3803.         features[lv2_feature_id_options]        = new LV2_Feature;

  3804.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3805.         features[lv2_feature_id_options]->data  = optionsFt;

  3806. 

  3807.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3808.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3809.         features[lv2_feature_id_programs]->data = programsFt;

  3810. 

  3811.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3812.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3813.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3814. 

  3815.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3816.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3817.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3818. 

  3819.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3820.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3821.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3822. 

  3823.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3824.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3825.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3826. 

  3827.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3828.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3829.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3830. 

  3831.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3832.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3833.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3834. 

  3835.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3836.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3837.         features[lv2_feature_id_worker]->data     = workerFt;

  3838. 

  3839.         // ---------------------------------------------------------------

  3840.         // initialize plugin

  3841. 

  3842.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  3843. 

  3844.         if (! handle)

  3845.         {

  3846.             setLastError("Plugin failed to initialize");

  3847.             return false;

  3848.         }

  3849. 

  3850.         // ---------------------------------------------------------------

  3851.         // get info

  3852. 

  3853.         m_filename = strdup(bundle);

  3854. 

  3855.         if (name)

  3856.             m_name = x_engine->getUniqueName(name);

  3857.         else

  3858.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  3859. 

  3860.         // ---------------------------------------------------------------

  3861.         // register client

  3862. 

  3863.         x_client = x_engine->addClient(this);

  3864. 

  3865.         if (! x_client->isOk())

  3866.         {

  3867.             setLastError("Failed to register plugin client");

  3868.             return false;

  3869.         }

  3870. 

  3871.         // ---------------------------------------------------------------

  3872.         // gui stuff

  3873. 

  3874.         if (rdf_descriptor->UICount == 0)

  3875.             return true;

  3876. 

  3877.         // -----------------------------------------------------------

  3878.         // find more appropriate ui

  3879. 

  3880.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  3881.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  3882. 

  3883.         for (i=0; i < rdf_descriptor->UICount; i++)

  3884.         {

  3885.             switch (rdf_descriptor->UIs[i].Type)

  3886.             {

  3887.             case LV2_UI_QT4:

  3888. #ifndef BUILD_BRIDGE

  3889.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3890.                     eQt4 = i;

  3891. #endif

  3892.                 iQt4 = i;

  3893.                 break;

  3894. 

  3895.             case LV2_UI_COCOA:

  3896. #ifndef BUILD_BRIDGE

  3897.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3898.                     eCocoa = i;

  3899. #endif

  3900.                 iCocoa = i;

  3901.                 break;

  3902. 

  3903.             case LV2_UI_WINDOWS:

  3904. #ifndef BUILD_BRIDGE

  3905.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3906.                     eHWND = i;

  3907. #endif

  3908.                 iHWND = i;

  3909.                 break;

  3910. 

  3911.             case LV2_UI_X11:

  3912. #ifndef BUILD_BRIDGE

  3913.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3914.                     eX11 = i;

  3915. #endif

  3916.                 iX11 = i;

  3917.                 break;

  3918. 

  3919.             case LV2_UI_GTK2:

  3920. #ifdef BUILD_BRIDGE

  3921.                 if (false)

  3922. #else

  3923. #  ifdef HAVE_SUIL

  3924.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  3925. #  else

  3926.                 if (isUiBridgeable(i))

  3927. #  endif

  3928. #endif

  3929.                     eGtk2 = i;

  3930. #ifdef HAVE_SUIL

  3931.                 iSuil = i;

  3932. #endif

  3933.                 break;

  3934. 

  3935. #ifndef BUILD_BRIDGE

  3936.             case LV2_UI_GTK3:

  3937.                 if (isUiBridgeable(i))

  3938.                     eGtk3 = i;

  3939.                 break;

  3940. #endif

  3941. 

  3942.             case LV2_UI_EXTERNAL:

  3943.             case LV2_UI_OLD_EXTERNAL:

  3944.                 iExt = i;

  3945.                 break;

  3946. 

  3947.             default:

  3948.                 break;

  3949.             }

  3950.         }

  3951. 

  3952.         if (eQt4 >= 0)

  3953.             iFinal = eQt4;

  3954.         else if (eCocoa >= 0)

  3955.             iFinal = eCocoa;

  3956.         else if (eHWND >= 0)

  3957.             iFinal = eHWND;

  3958.         else if (eX11 >= 0)

  3959.             iFinal = eX11;

  3960.         else if (eGtk2 >= 0)

  3961.             iFinal = eGtk2;

  3962.         else if (eGtk3 >= 0)

  3963.             iFinal = eGtk3;

  3964.         else if (iQt4 >= 0)

  3965.             iFinal = iQt4;

  3966.         else if (iCocoa >= 0)

  3967.             iFinal = iCocoa;

  3968.         else if (iHWND >= 0)

  3969.             iFinal = iHWND;

  3970.         else if (iX11 >= 0)

  3971.             iFinal = iX11;

  3972.         else if (iExt >= 0)

  3973.             iFinal = iExt;

  3974.         else if (iSuil >= 0)

  3975.             iFinal = iSuil;

  3976. 

  3977. #ifndef BUILD_BRIDGE

  3978.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  3979. #endif

  3980. #ifdef HAVE_SUIL

  3981.         const bool isSuil = (iFinal == iSuil && !isBridged);

  3982. #endif

  3983. 

  3984.         if (iFinal < 0)

  3985.         {

  3986.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  3987.             return true;

  3988.         }

  3989. 

  3990.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  3991. 

  3992.         // -----------------------------------------------------------

  3993.         // check supported ui features

  3994. 

  3995.         canContinue = true;

  3996. 

  3997.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3998.         {

  3999.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4000.             {

  4001.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4002.                 canContinue = false;

  4003.                 break;

  4004.             }

  4005.         }

  4006. 

  4007.         if (! canContinue)

  4008.         {

  4009.             ui.rdf_descriptor = nullptr;

  4010.             return true;

  4011.         }

  4012. 

  4013. #ifdef HAVE_SUIL

  4014.         if (isSuil)

  4015.         {

  4016.             // -------------------------------------------------------

  4017.             // init suil host

  4018. 

  4019.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4020.         }

  4021.         else

  4022. #endif

  4023.         {

  4024.             // -------------------------------------------------------

  4025.             // open DLL

  4026. 

  4027.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4028.             {

  4029.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4030.                 ui.rdf_descriptor = nullptr;

  4031.                 return true;

  4032.             }

  4033. 

  4034.             // -------------------------------------------------------

  4035.             // get DLL main entry

  4036. 

  4037.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4038. 

  4039.             if (! ui_descFn)

  4040.             {

  4041.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4042.                 uiLibClose();

  4043.                 ui.lib = nullptr;

  4044.                 ui.rdf_descriptor = nullptr;

  4045.                 return true;

  4046.             }

  4047. 

  4048.             // -------------------------------------------------------

  4049.             // get descriptor that matches URI

  4050. 

  4051.             i = 0;

  4052.             while ((ui.descriptor = ui_descFn(i++)))

  4053.             {

  4054.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4055.                     break;

  4056.             }

  4057. 

  4058.             if (! ui.descriptor)

  4059.             {

  4060.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4061.                 uiLibClose();

  4062.                 ui.lib = nullptr;

  4063.                 ui.rdf_descriptor = nullptr;

  4064.                 return true;

  4065.             }

  4066.         }

  4067. 

  4068.         // -----------------------------------------------------------

  4069.         // initialize ui according to type

  4070. 

  4071.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4072. 

  4073. #ifndef BUILD_BRIDGE

  4074.         if (isBridged)

  4075.         {

  4076.             // -------------------------------------------------------

  4077.             // initialize ui bridge

  4078. 

  4079.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4080.             {

  4081.                 gui.type = GUI_EXTERNAL_OSC;

  4082.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4083.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4084.             }

  4085.         }

  4086.         else

  4087. #endif

  4088.         {

  4089.             // -------------------------------------------------------

  4090.             // initialize ui features

  4091. 

  4092.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4093. 

  4094.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4095.             uiDataFt->data_access                      = descriptor->extension_data;

  4096. 

  4097.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4098.             uiPortMapFt->handle               = this;

  4099.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4100. 

  4101.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4102.             uiResizeFt->handle                = this;

  4103.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4104. 

  4105.             lv2_external_ui_host* const uiExternalHostFt = new lv2_external_ui_host;

  4106.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4107.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4108. 

  4109.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4110.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4111.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4112. 

  4113.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4114.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4115.             features[lv2_feature_id_instance_access]->data = handle;

  4116. 

  4117.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4118.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4119.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4120. 

  4121.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4122.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4123.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4124. 

  4125.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4126.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4127.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4128. 

  4129.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4130.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI_URI;

  4131.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4132. 

  4133.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4134.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4135.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4136. 

  4137.             // -------------------------------------------------------

  4138.             // initialize ui

  4139. 

  4140.             switch (uiType)

  4141.             {

  4142.             case LV2_UI_QT4:

  4143.                 qDebug("Will use LV2 Qt4 UI");

  4144.                 gui.type      = GUI_INTERNAL_QT4;

  4145.                 gui.resizable = isUiResizable();

  4146.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4147.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4148.                 break;

  4149. 

  4150.             case LV2_UI_COCOA:

  4151.                 qDebug("Will use LV2 Cocoa UI");

  4152.                 gui.type      = GUI_INTERNAL_COCOA;

  4153.                 gui.resizable = isUiResizable();

  4154.                 break;

  4155. 

  4156.             case LV2_UI_WINDOWS:

  4157.                 qDebug("Will use LV2 Windows UI");

  4158.                 gui.type      = GUI_INTERNAL_HWND;

  4159.                 gui.resizable = isUiResizable();

  4160.                 break;

  4161. 

  4162.             case LV2_UI_X11:

  4163.                 qDebug("Will use LV2 X11 UI");

  4164.                 gui.type      = GUI_INTERNAL_X11;

  4165.                 gui.resizable = isUiResizable();

  4166.                 break;

  4167. 

  4168.             case LV2_UI_GTK2:

  4169. #ifdef HAVE_SUIL

  4170.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4171.                 gui.type      = GUI_EXTERNAL_SUIL;

  4172.                 gui.resizable = isUiResizable();

  4173.                 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);

  4174.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4175. 

  4176.                 if (suil.handle)

  4177.                 {

  4178.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4179.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4180.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4181. 

  4182.                     if (ui.widget)

  4183.                     {

  4184.                         QWidget* const widget = (QWidget*)ui.widget;

  4185.                         widget->setWindowTitle(guiTitle);

  4186.                     }

  4187.                 }

  4188. #else

  4189.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4190. #endif

  4191.                 break;

  4192. 

  4193.             case LV2_UI_GTK3:

  4194.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4195.                 break;

  4196. 

  4197.             case LV2_UI_EXTERNAL:

  4198.             case LV2_UI_OLD_EXTERNAL:

  4199.                 qDebug("Will use LV2 External UI");

  4200.                 gui.type = GUI_EXTERNAL_LV2;

  4201.                 break;

  4202.             }

  4203.         }

  4204. 

  4205.         if (gui.type != GUI_NONE)

  4206.             m_hints |= PLUGIN_HAS_GUI;

  4207. 

  4208.         return true;

  4209.     }

  4210. 

  4211. private:

  4212.     LV2_Handle handle, h2;

  4213.     const LV2_Descriptor* descriptor;

  4214.     const LV2_RDF_Descriptor* rdf_descriptor;

  4215.     LV2_Feature* features[lv2_feature_count+1];

  4216. 

  4217.     struct {

  4218.         LV2_State_Interface* state;

  4219.         LV2_Worker_Interface* worker;

  4220.         LV2_Programs_Interface* programs;

  4221.         LV2_Programs_UI_Interface* uiprograms;

  4222.     } ext;

  4223. 

  4224.     struct {

  4225.         void* lib;

  4226.         LV2UI_Handle handle;

  4227.         LV2UI_Widget widget;

  4228.         const LV2UI_Descriptor* descriptor;

  4229.         const LV2_RDF_UI* rdf_descriptor;

  4230.     } ui;

  4231. 

  4232.     struct {

  4233.         GuiType type;

  4234.         bool resizable;

  4235.         int width;

  4236.         int height;

  4237.     } gui;

  4238. 

  4239. #ifdef HAVE_SUIL

  4240.     struct {

  4241.         SuilHost* host;

  4242.         SuilInstance* handle;

  4243.         QByteArray pos;

  4244.     } suil;

  4245. #endif

  4246. 

  4247.     Lv2PluginEventData evIn;

  4248.     Lv2PluginEventData evOut;

  4249.     float* paramBuffers;

  4250.     std::vector<const char*> customURIDs;

  4251. };

  4252. 

  4253. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4254. {

  4255.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4256. 

  4257.     short id = init.engine->getNewPluginId();

  4258. 

  4259.     if (id < 0 || id > MAX_PLUGINS)

  4260.     {

  4261.         setLastError("Maximum number of plugins reached");

  4262.         return nullptr;

  4263.     }

  4264. 

  4265.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4266. 

  4267.     if (! plugin->init(init.filename, init.name, init.label))

  4268.     {

  4269.         delete plugin;

  4270.         return nullptr;

  4271.     }

  4272. 

  4273.     plugin->reload();

  4274. 

  4275. #ifndef BUILD_BRIDGE

  4276.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4277.     {

  4278.         const uint32_t ins  = plugin->audioInCount();

  4279.         const uint32_t outs = plugin->audioOutCount();

  4280. 

  4281.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4282.         {

  4283.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4284.             delete plugin;

  4285.             return nullptr;

  4286.         }

  4287.     }

  4288. #endif

  4289. 

  4290.     plugin->registerToOsc();

  4291.     plugin->updateUi();

  4292. 

  4293.     return plugin;

  4294. }

  4295. 

  4296. /**@}*/

  4297. 

  4298. // -------------------------------------------------------------------------------------------------------------------

  4299. 

  4300. int CarlaOsc::handle_lv2_atom_transfer(CARLA_OSC_HANDLE_ARGS2)

  4301. {

  4302.     qDebug("CarlaOsc::handle_lv2_atom_transfer()");

  4303.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4304. 

  4305.     const char* const type  = (const char*)&argv[0]->s;

  4306.     const char* const value = (const char*)&argv[1]->s;

  4307. 

  4308.     QByteArray chunk;

  4309.     chunk = QByteArray::fromBase64(value);

  4310. 

  4311.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4312. 

  4313.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4314.     lv2plugin->handleTransferAtom(atom, type);

  4315. 

  4316.     return 0;

  4317. }

  4318. 

  4319. int CarlaOsc::handle_lv2_event_transfer(CARLA_OSC_HANDLE_ARGS2)

  4320. {

  4321.     qDebug("CarlaOsc::handle_lv2_event_transfer()");

  4322.     CARLA_OSC_CHECK_OSC_TYPES(2, "ss");

  4323. 

  4324.     const char* const type  = (const char*)&argv[0]->s;

  4325.     const char* const value = (const char*)&argv[1]->s;

  4326. 

  4327.     QByteArray chunk;

  4328.     chunk = QByteArray::fromBase64(value);

  4329. 

  4330.     const LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4331. 

  4332.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4333.     lv2plugin->handleTransferEvent(atom, type);

  4334. 

  4335.     return 0;

  4336. }

  4337. 

  4338. CARLA_BACKEND_END_NAMESPACE