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.
491 Commits
2 Branches
234MB
Tree: 3967d36145
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '3967d36145'
${ noResults }
Cadence/c++/carla-backend/lv2.cpp

4503 lines
158KB
Raw Blame History 

  1. /*

  2.  * Carla Backend

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

  4.  *

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

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

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

  8.  * any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "carla_plugin.h"

  19. #include "carla_lv2.h"

  20. 

  21. #include "lv2_atom_queue.h"

  22. #include "rtmempool/rtmempool.h"

  23. 

  24. #include <QtCore/QDir>

  25. #include <QtGui/QLayout>

  26. 

  27. #ifdef HAVE_SUIL

  28. #include <suil/suil.h>

  29. struct SuilInstanceImpl {

  30.     void*                   lib_handle;

  31.     const LV2UI_Descriptor* descriptor;

  32.     LV2UI_Handle            handle;

  33.     // ...

  34. };

  35. #endif

  36. 

  37. CARLA_BACKEND_START_NAMESPACE

  38. 

  39. /*!

  40.  * @defgroup CarlaBackendLv2Plugin Carla Backend LV2 Plugin

  41.  *

  42.  * The Carla Backend LV2 Plugin.\n

  43.  * http://lv2plug.in/

  44.  * @{

  45.  */

  46. 

  47. // static max values

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

  49. 

  50. /*!

  51.  * @defgroup PluginHints Plugin Hints

  52.  * @{

  53.  */

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

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

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

  57. /**@}*/

  58. 

  59. /*!

  60.  * @defgroup ParameterHints Parameter Hints

  61.  * @{

  62.  */

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

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

  65. /**@}*/

  66. 

  67. /*!

  68.  * @defgroup Lv2FeatureIds LV2 Feature Ids

  69.  *

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

  71.  * @{

  72.  */

  73. const uint32_t lv2_feature_id_bufsize_bounded  =  0;

  74. const uint32_t lv2_feature_id_bufsize_fixed    =  1;

  75. const uint32_t lv2_feature_id_bufsize_powerof2 =  2;

  76. const uint32_t lv2_feature_id_event            =  3;

  77. const uint32_t lv2_feature_id_logs             =  4;

  78. const uint32_t lv2_feature_id_options          =  5;

  79. const uint32_t lv2_feature_id_programs         =  6;

  80. const uint32_t lv2_feature_id_rtmempool        =  7;

  81. const uint32_t lv2_feature_id_state_make_path  =  8;

  82. const uint32_t lv2_feature_id_state_map_path   =  9;

  83. const uint32_t lv2_feature_id_strict_bounds    = 10;

  84. const uint32_t lv2_feature_id_uri_map          = 11;

  85. const uint32_t lv2_feature_id_urid_map         = 12;

  86. const uint32_t lv2_feature_id_urid_unmap       = 13;

  87. const uint32_t lv2_feature_id_worker           = 14;

  88. const uint32_t lv2_feature_id_data_access      = 15;

  89. const uint32_t lv2_feature_id_instance_access  = 16;

  90. const uint32_t lv2_feature_id_ui_parent        = 17;

  91. const uint32_t lv2_feature_id_ui_port_map      = 18;

  92. const uint32_t lv2_feature_id_ui_resize        = 19;

  93. const uint32_t lv2_feature_id_external_ui      = 20;

  94. const uint32_t lv2_feature_id_external_ui_old  = 21;

  95. const uint32_t lv2_feature_count               = 22;

  96. /**@}*/

  97. 

  98. /*!

  99.  * @defgroup Lv2EventTypes LV2 Event Data/Types

  100.  *

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

  102.  * @{

  103.  */

  104. const unsigned int CARLA_EVENT_DATA_ATOM      = 0x01;

  105. const unsigned int CARLA_EVENT_DATA_EVENT     = 0x02;

  106. const unsigned int CARLA_EVENT_DATA_MIDI_LL   = 0x04;

  107. const unsigned int CARLA_EVENT_TYPE_MESSAGE   = 0x10;

  108. const unsigned int CARLA_EVENT_TYPE_MIDI      = 0x20;

  109. /**@}*/

  110. 

  111. /*!

  112.  * @defgroup Lv2UriMapIds LV2 URI Map Ids

  113.  *

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

  115.  * @{

  116.  */

  117. const uint32_t CARLA_URI_MAP_ID_NULL                = 0;

  118. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK          = 1;

  119. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE         = 2;

  120. const uint32_t CARLA_URI_MAP_ID_ATOM_INT            = 3;

  121. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH           = 4;

  122. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE       = 5;

  123. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING         = 6;

  124. const uint32_t CARLA_URI_MAP_ID_ATOM_WORKER         = 7;

  125. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM  = 8;

  126. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT = 9;

  127. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH      = 10;

  128. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH      = 11;

  129. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE   = 12;

  130. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR           = 13;

  131. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE            = 14;

  132. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE           = 15;

  133. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING         = 16;

  134. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT          = 17;

  135. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE   = 18;

  136. const uint32_t CARLA_URI_MAP_ID_COUNT               = 19;

  137. /**@}*/

  138. 

  139. struct Lv2EventData {

  140.     uint32_t type;

  141.     uint32_t rindex;

  142.     CarlaEngineMidiPort* port;

  143.     union {

  144.         LV2_Atom_Sequence* atom;

  145.         LV2_Event_Buffer* event;

  146.         LV2_MIDI* midi;

  147.     };

  148. 

  149.     Lv2EventData()

  150.         : type(0),

  151.           rindex(0),

  152.           port(nullptr) {}

  153. };

  154. 

  155. struct Lv2PluginEventData {

  156.     uint32_t count;

  157.     Lv2EventData* data;

  158. 

  159.     Lv2PluginEventData()

  160.         : count(0),

  161.           data(nullptr) {}

  162. };

  163. 

  164. struct Lv2PluginOptions {

  165.     bool init;

  166.     uint32_t eventSize;

  167.     uint32_t bufferSize;

  168.     double   sampleRate;

  169.     LV2_Options_Option oNull;

  170.     LV2_Options_Option oMaxBlockLenth;

  171.     LV2_Options_Option oMinBlockLenth;

  172.     LV2_Options_Option oSequenceSize;

  173.     LV2_Options_Option oSampleRate;

  174. 

  175.     Lv2PluginOptions()

  176.         : init(false),

  177.           eventSize(MAX_EVENT_BUFFER),

  178.           bufferSize(0),

  179.           sampleRate(0.0) {}

  180. };

  181. 

  182. Lv2PluginOptions lv2Options;

  183. 

  184. const char* lv2bridge2str(const LV2_Property type)

  185. {

  186.     switch (type)

  187.     {

  188. #ifndef BUILD_BRIDGE

  189.     case LV2_UI_GTK2:

  190.         return carlaOptions.bridge_lv2gtk2;

  191.     case LV2_UI_GTK3:

  192.         return carlaOptions.bridge_lv2gtk3;

  193.     case LV2_UI_QT4:

  194.         return carlaOptions.bridge_lv2qt4;

  195.     case LV2_UI_COCOA:

  196.         return nullptr; //carlaOptions.bridge_lv2cocoa;

  197.     case LV2_UI_WINDOWS:

  198.         return nullptr; //carlaOptions.bridge_lv2hwnd;

  199.     case LV2_UI_X11:

  200.         return carlaOptions.bridge_lv2x11;

  201. #endif

  202.     default:

  203.         return nullptr;

  204.     }

  205. }

  206. 

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

  208. {

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

  210. }

  211. 

  212. class Lv2Plugin : public CarlaPlugin

  213. {

  214. public:

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

  216.         : CarlaPlugin(engine, id)

  217.     {

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

  219. 

  220.         m_type = PLUGIN_LV2;

  221. 

  222.         handle = h2 = nullptr;

  223.         descriptor  = nullptr;

  224.         rdf_descriptor = nullptr;

  225. 

  226.         ext.state      = nullptr;

  227.         ext.worker     = nullptr;

  228.         ext.programs   = nullptr;

  229.         ext.uiprograms = nullptr;

  230. 

  231.         ui.lib = nullptr;

  232.         ui.handle = nullptr;

  233.         ui.descriptor = nullptr;

  234.         ui.rdf_descriptor = nullptr;

  235. 

  236.         evIn.count = 0;

  237.         evIn.data  = nullptr;

  238. 

  239.         evOut.count = 0;

  240.         evOut.data  = nullptr;

  241. 

  242.         paramBuffers = nullptr;

  243. 

  244.         gui.type = GUI_NONE;

  245.         gui.resizable = false;

  246.         gui.width  = 0;

  247.         gui.height = 0;

  248. 

  249. #ifdef HAVE_SUIL

  250.         suil.handle = nullptr;

  251.         suil.host   = nullptr;

  252. #endif

  253. 

  254.         lastTimePosPlaying = false;

  255.         lastTimePosFrame   = 0;

  256. 

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

  258.             customURIDs.push_back(nullptr);

  259. 

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

  261.             features[i] = nullptr;

  262. 

  263.         if (! lv2Options.init)

  264.         {

  265.             lv2Options.init = true;

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

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

  268. 

  269.             lv2Options.oNull.key   = CARLA_URI_MAP_ID_NULL;

  270.             lv2Options.oNull.size  = 0;

  271.             lv2Options.oNull.type  = CARLA_URI_MAP_ID_NULL;

  272.             lv2Options.oNull.value = nullptr;

  273. 

  274.             lv2Options.oMaxBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

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

  276.             lv2Options.oMaxBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  278. 

  279.             lv2Options.oMinBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

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

  281.             lv2Options.oMinBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  283. 

  284.             lv2Options.oSequenceSize.key   = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

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

  286.             lv2Options.oSequenceSize.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  288. 

  289.             lv2Options.oSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

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

  291.             lv2Options.oSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

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

  293.         }

  294. 

  295.         Lv2World.init();

  296.     }

  297. 

  298.     ~Lv2Plugin()

  299.     {

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

  301. 

  302.         // close UI

  303.         if (m_hints & PLUGIN_HAS_GUI)

  304.         {

  305.             showGui(false);

  306. 

  307.             switch (gui.type)

  308.             {

  309.             case GUI_NONE:

  310.             case GUI_INTERNAL_QT4:

  311.             case GUI_INTERNAL_COCOA:

  312.             case GUI_INTERNAL_HWND:

  313.             case GUI_INTERNAL_X11:

  314.             case GUI_EXTERNAL_LV2:

  315.                 break;

  316. 

  317.             case GUI_EXTERNAL_SUIL:

  318. #ifdef HAVE_SUIL

  319.                 if (ui.widget)

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

  321. #endif

  322.                 break;

  323. 

  324.             case GUI_EXTERNAL_OSC:

  325. #ifndef BUILD_BRIDGE

  326.                 if (osc.thread)

  327.                 {

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

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

  330.                     {

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

  332.                         osc.thread->terminate();

  333.                     }

  334. 

  335.                     delete osc.thread;

  336.                 }

  337. #endif

  338.                 break;

  339.             }

  340. 

  341. #ifdef HAVE_SUIL

  342.             if (suil.handle)

  343.             {

  344.                 suil_instance_free(suil.handle);

  345. 

  346.                 if (suil.host)

  347.                     suil_host_free(suil.host);

  348. 

  349.                 ui.handle = nullptr;

  350.                 ui.descriptor = nullptr;

  351.             }

  352. #endif

  353. 

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

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

  356. 

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

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

  359. 

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

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

  362. 

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

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

  365. 

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

  367.             {

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

  369. 

  370.                 if (uiHost->plugin_human_id)

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

  372. 

  373.                 delete uiHost;

  374.             }

  375. 

  376.             uiLibClose();

  377.         }

  378. 

  379.         if (descriptor)

  380.         {

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

  382.             {

  383.                 if (handle)

  384.                     descriptor->deactivate(handle);

  385.                 if (h2)

  386.                     descriptor->deactivate(h2);

  387.             }

  388. 

  389.             if (descriptor->cleanup)

  390.             {

  391.                 if (handle)

  392.                     descriptor->cleanup(handle);

  393.                 if (h2)

  394.                     descriptor->cleanup(h2);

  395.             }

  396.         }

  397. 

  398.         if (rdf_descriptor)

  399.             lv2_rdf_free(rdf_descriptor);

  400. 

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

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

  403. 

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

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

  406. 

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

  408.         {

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

  410.             delete[] options;

  411.         }

  412. 

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

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

  415. 

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

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

  418. 

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

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

  421. 

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

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

  424. 

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

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

  427. 

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

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

  430. 

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

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

  433. 

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

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

  436. 

  437. #ifndef BUILD_BRIDGE

  438.         if (! carlaOptions.processHighPrecision)

  439. #endif

  440.         {

  441.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  442.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  443.         }

  444. 

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

  446.         {

  447.             if (features[i])

  448.                 delete features[i];

  449.         }

  450. 

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

  452.         {

  453.             if (customURIDs[i])

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

  455.         }

  456. 

  457.         customURIDs.clear();

  458.     }

  459. 

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

  461.     // Information (base)

  462. 

  463.     PluginCategory category()

  464.     {

  465.         Q_ASSERT(rdf_descriptor);

  466. 

  467.         LV2_Property category = rdf_descriptor->Type;

  468. 

  469.         if (LV2_IS_DELAY(category))

  470.             return PLUGIN_CATEGORY_DELAY;

  471.         if (LV2_IS_DISTORTION(category))

  472.             return PLUGIN_CATEGORY_OTHER;

  473.         if (LV2_IS_DYNAMICS(category))

  474.             return PLUGIN_CATEGORY_DYNAMICS;

  475.         if (LV2_IS_EQ(category))

  476.             return PLUGIN_CATEGORY_EQ;

  477.         if (LV2_IS_FILTER(category))

  478.             return PLUGIN_CATEGORY_FILTER;

  479.         if (LV2_IS_GENERATOR(category))

  480.             return PLUGIN_CATEGORY_SYNTH;

  481.         if (LV2_IS_MODULATOR(category))

  482.             return PLUGIN_CATEGORY_MODULATOR;

  483.         if (LV2_IS_REVERB(category))

  484.             return PLUGIN_CATEGORY_DELAY;

  485.         if (LV2_IS_SIMULATOR(category))

  486.             return PLUGIN_CATEGORY_OTHER;

  487.         if (LV2_IS_SPATIAL(category))

  488.             return PLUGIN_CATEGORY_OTHER;

  489.         if (LV2_IS_SPECTRAL(category))

  490.             return PLUGIN_CATEGORY_UTILITY;

  491.         if (LV2_IS_UTILITY(category))

  492.             return PLUGIN_CATEGORY_UTILITY;

  493. 

  494.         return getPluginCategoryFromName(m_name);

  495.     }

  496. 

  497.     long uniqueId()

  498.     {

  499.         Q_ASSERT(rdf_descriptor);

  500. 

  501.         return rdf_descriptor->UniqueID;

  502.     }

  503. 

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

  505.     // Information (count)

  506. 

  507.     uint32_t midiInCount()

  508.     {

  509.         uint32_t i, count = 0;

  510. 

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

  512.         {

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

  514.                 count += 1;

  515.         }

  516. 

  517.         return count;

  518.     }

  519. 

  520.     uint32_t midiOutCount()

  521.     {

  522.         uint32_t i, count = 0;

  523. 

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

  525.         {

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

  527.                 count += 1;

  528.         }

  529. 

  530.         return count;

  531.     }

  532. 

  533.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  534.     {

  535.         Q_ASSERT(parameterId < param.count);

  536.         Q_ASSERT(rdf_descriptor);

  537. 

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

  539. 

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

  541.         {

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

  543.             return port->ScalePointCount;

  544.         }

  545. 

  546.         return 0;

  547.     }

  548. 

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

  550.     // Information (per-plugin data)

  551. 

  552.     double getParameterValue(const uint32_t parameterId)

  553.     {

  554.         Q_ASSERT(parameterId < param.count);

  555. 

  556.         return paramBuffers[parameterId];

  557.     }

  558. 

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

  560.     {

  561.         Q_ASSERT(parameterId < param.count);

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

  563. 

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

  565. 

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

  567.         {

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

  569. 

  570.             if (scalePointId < port->ScalePointCount)

  571.             {

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

  573.                 return portScalePoint->Value;

  574.             }

  575.         }

  576. 

  577.         return 0.0;

  578.     }

  579. 

  580.     void getLabel(char* const strBuf)

  581.     {

  582.         Q_ASSERT(rdf_descriptor);

  583. 

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

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

  586.         else

  587.             CarlaPlugin::getLabel(strBuf);

  588.     }

  589. 

  590.     void getMaker(char* const strBuf)

  591.     {

  592.         Q_ASSERT(rdf_descriptor);

  593. 

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

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

  596.         else

  597.             CarlaPlugin::getMaker(strBuf);

  598.     }

  599. 

  600.     void getCopyright(char* const strBuf)

  601.     {

  602.         Q_ASSERT(rdf_descriptor);

  603. 

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

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

  606.         else

  607.             CarlaPlugin::getCopyright(strBuf);

  608.     }

  609. 

  610.     void getRealName(char* const strBuf)

  611.     {

  612.         Q_ASSERT(rdf_descriptor);

  613. 

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

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

  616.         else

  617.             CarlaPlugin::getRealName(strBuf);

  618.     }

  619. 

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

  621.     {

  622.         Q_ASSERT(rdf_descriptor);

  623.         Q_ASSERT(parameterId < param.count);

  624. 

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

  626. 

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

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

  629.         else

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

  631.     }

  632. 

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

  634.     {

  635.         Q_ASSERT(rdf_descriptor);

  636.         Q_ASSERT(parameterId < param.count);

  637. 

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

  639. 

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

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

  642.         else

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

  644.     }

  645. 

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

  647.     {

  648.         Q_ASSERT(rdf_descriptor);

  649.         Q_ASSERT(parameterId < param.count);

  650. 

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

  652. 

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

  654.         {

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

  656. 

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

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

  659. 

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

  661.             {

  662.                 switch (port->Unit.Type)

  663.                 {

  664.                 case LV2_UNIT_BAR:

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

  666.                     return;

  667.                 case LV2_UNIT_BEAT:

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

  669.                     return;

  670.                 case LV2_UNIT_BPM:

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

  672.                     return;

  673.                 case LV2_UNIT_CENT:

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

  675.                     return;

  676.                 case LV2_UNIT_CM:

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

  678.                     return;

  679.                 case LV2_UNIT_COEF:

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

  681.                     return;

  682.                 case LV2_UNIT_DB:

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

  684.                     return;

  685.                 case LV2_UNIT_DEGREE:

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

  687.                     return;

  688.                 case LV2_UNIT_FRAME:

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

  690.                     return;

  691.                 case LV2_UNIT_HZ:

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

  693.                     return;

  694.                 case LV2_UNIT_INCH:

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

  696.                     return;

  697.                 case LV2_UNIT_KHZ:

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

  699.                     return;

  700.                 case LV2_UNIT_KM:

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

  702.                     return;

  703.                 case LV2_UNIT_M:

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

  705.                     return;

  706.                 case LV2_UNIT_MHZ:

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

  708.                     return;

  709.                 case LV2_UNIT_MIDINOTE:

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

  711.                     return;

  712.                 case LV2_UNIT_MILE:

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

  714.                     return;

  715.                 case LV2_UNIT_MIN:

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

  717.                     return;

  718.                 case LV2_UNIT_MM:

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

  720.                     return;

  721.                 case LV2_UNIT_MS:

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

  723.                     return;

  724.                 case LV2_UNIT_OCT:

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

  726.                     return;

  727.                 case LV2_UNIT_PC:

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

  729.                     return;

  730.                 case LV2_UNIT_S:

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

  732.                     return;

  733.                 case LV2_UNIT_SEMITONE:

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

  735.                     return;

  736.                 }

  737.             }

  738.         }

  739. 

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

  741.     }

  742. 

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

  744.     {

  745.         Q_ASSERT(rdf_descriptor);

  746.         Q_ASSERT(parameterId < param.count);

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

  748. 

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

  750. 

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

  752.         {

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

  754. 

  755.             if (scalePointId < port->ScalePointCount)

  756.             {

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

  758. 

  759.                 if (portScalePoint->Label)

  760.                 {

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

  762.                     return;

  763.                 }

  764.             }

  765.         }

  766. 

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

  768.     }

  769. 

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

  771.     {

  772.         Q_ASSERT(type);

  773.         Q_ASSERT(resizable);

  774. 

  775.         *type      = gui.type;

  776.         *resizable = gui.resizable;

  777.     }

  778. 

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

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

  781. 

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

  783.     {

  784.         Q_ASSERT(parameterId < param.count);

  785. 

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

  787. 

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

  789.     }

  790. 

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

  792.     {

  793.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  794.         Q_ASSERT(key);

  795.         Q_ASSERT(value);

  796. 

  797.         if (type == CUSTOM_DATA_INVALID)

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

  799. 

  800.         if (! key)

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

  802. 

  803.         if (! value)

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

  805. 

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

  807. 

  808.         if (ext.state)

  809.         {

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

  811.             LV2_State_Status status;

  812. 

  813.             if (x_engine->isOffline())

  814.             {

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

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

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

  818.             }

  819.             else

  820.             {

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

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

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

  824.             }

  825. 

  826.             switch (status)

  827.             {

  828.             case LV2_STATE_SUCCESS:

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

  830.                 break;

  831.             case LV2_STATE_ERR_UNKNOWN:

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

  833.                 break;

  834.             case LV2_STATE_ERR_BAD_TYPE:

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

  836.                 break;

  837.             case LV2_STATE_ERR_BAD_FLAGS:

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

  839.                 break;

  840.             case LV2_STATE_ERR_NO_FEATURE:

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

  842.                 break;

  843.             case LV2_STATE_ERR_NO_PROPERTY:

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

  845.                 break;

  846.             }

  847.         }

  848. 

  849.         if (sendGui)

  850.         {

  851.             CustomData cdata;

  852.             cdata.type  = type;

  853.             cdata.key   = key;

  854.             cdata.value = value;

  855.             uiTransferCustomData(&cdata);

  856.         }

  857.     }

  858. 

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

  860.     {

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

  862. 

  863.         if (index < -1)

  864.             index = -1;

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

  866.             return;

  867. 

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

  869.         {

  870.             if (x_engine->isOffline())

  871.             {

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

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

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

  875.             }

  876.             else

  877.             {

  878.                 const ScopedDisabler m(this, block);

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

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

  881.             }

  882.         }

  883. 

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

  885.     }

  886. 

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

  888.     // Set gui stuff

  889. 

  890.     void setGuiContainer(GuiContainer* const container)

  891.     {

  892.         qDebug("Lv2Plugin::setGuiContainer(%p)", container);

  893.         Q_ASSERT(container);

  894. 

  895.         switch(gui.type)

  896.         {

  897.         case GUI_NONE:

  898.             break;

  899. 

  900.         case GUI_INTERNAL_QT4:

  901.             if (ui.widget)

  902.             {

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

  904.                 Q_ASSERT(container->layout());

  905.                 Q_ASSERT(widget);

  906.                 container->layout()->addWidget(widget);

  907.                 widget->adjustSize();

  908.                 widget->setParent(container);

  909.                 widget->show();

  910.             }

  911.             break;

  912. 

  913.         case GUI_INTERNAL_COCOA:

  914.         case GUI_INTERNAL_HWND:

  915.         case GUI_INTERNAL_X11:

  916.             if (ui.descriptor)

  917.             {

  918.                 features[lv2_feature_id_ui_parent]->data = (void*)container->winId();

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

  920.                 updateUi();

  921.             }

  922.             break;

  923. 

  924.         case GUI_EXTERNAL_LV2:

  925.         case GUI_EXTERNAL_SUIL:

  926.         case GUI_EXTERNAL_OSC:

  927.             break;

  928.         }

  929.     }

  930. 

  931.     void showGui(const bool yesNo)

  932.     {

  933.         switch(gui.type)

  934.         {

  935.         case GUI_NONE:

  936.         case GUI_INTERNAL_QT4:

  937.             break;

  938. 

  939.         case GUI_INTERNAL_COCOA:

  940.         case GUI_INTERNAL_HWND:

  941.         case GUI_INTERNAL_X11:

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

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

  944.             break;

  945. 

  946.         case GUI_EXTERNAL_LV2:

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

  948.                 initExternalUi();

  949. 

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

  951.             {

  952.                 if (yesNo)

  953.                 {

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

  955.                 }

  956.                 else

  957.                 {

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

  959. 

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

  961.                     {

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

  963. 

  964.                         if (ui.descriptor->cleanup)

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

  966. 

  967.                         ui.handle = nullptr;

  968.                     }

  969.                 }

  970.             }

  971.             else

  972.                 // failed to init UI

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

  974. 

  975.             break;

  976. 

  977.         case GUI_EXTERNAL_SUIL:

  978. #ifdef HAVE_SUIL

  979.             if (ui.widget)

  980.             {

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

  982. 

  983.                 if (yesNo)

  984.                 {

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

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

  987.                 }

  988.                 else

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

  990. 

  991.                 widget->setVisible(yesNo);

  992.             }

  993. #endif

  994.             break;

  995. 

  996.         case GUI_EXTERNAL_OSC:

  997. #ifndef BUILD_BRIDGE

  998.             Q_ASSERT(osc.thread);

  999. 

  1000.             if (! osc.thread)

  1001.             {

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

  1003.                 return;

  1004.             }

  1005. 

  1006.             if (yesNo)

  1007.             {

  1008.                 osc.thread->start();

  1009.             }

  1010.             else

  1011.             {

  1012.                 if (osc.data.target)

  1013.                 {

  1014.                     osc_send_hide(&osc.data);

  1015.                     osc_send_quit(&osc.data);

  1016.                     osc_clear_data(&osc.data);

  1017.                 }

  1018. 

  1019.                 if (! osc.thread->wait(500))

  1020.                     osc.thread->quit();

  1021.             }

  1022. #endif

  1023.             break;

  1024.         }

  1025.     }

  1026. 

  1027.     void idleGui()

  1028.     {

  1029. #ifdef BUILD_BRIDGE

  1030.         const bool haveUI = (gui.type != GUI_EXTERNAL_OSC && ui.handle && ui.descriptor);

  1031. #else

  1032.         const bool haveUI = (gui.type == GUI_EXTERNAL_OSC && osc.data.target) || (ui.handle && ui.descriptor);

  1033. #endif

  1034. 

  1035.         if (haveUI)

  1036.         {

  1037.             // Update event ports

  1038.             if (! atomQueueOut.isEmpty())

  1039.             {

  1040.                 static Lv2AtomQueue queue;

  1041.                 queue.copyDataFrom(&atomQueueOut);

  1042. 

  1043.                 uint32_t portIndex;

  1044.                 const LV2_Atom* atom;

  1045. 

  1046.                 while (queue.get(&portIndex, &atom, false))

  1047.                 {

  1048. #ifndef BUILD_BRIDGE

  1049.                     if (gui.type == GUI_EXTERNAL_OSC)

  1050.                     {

  1051.                         QByteArray chunk((const char*)atom, sizeof(LV2_Atom) + atom->size);

  1052.                         osc_send_lv2_transfer_event(&osc.data, portIndex, getCustomURIString(atom->type), chunk.toBase64().constData());

  1053.                     }

  1054.                     else

  1055. #endif

  1056.                     {

  1057.                         if (ui.descriptor->port_event)

  1058.                             ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1059.                     }

  1060.                 }

  1061.             }

  1062. 

  1063.             // Update external UI

  1064.             if (gui.type == GUI_EXTERNAL_LV2 && ui.widget)

  1065.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)ui.widget);

  1066.         }

  1067. 

  1068.         CarlaPlugin::idleGui();

  1069.     }

  1070. 

  1071.     // -------------------------------------------------------------------

  1072.     // Plugin state

  1073. 

  1074.     void reload()

  1075.     {

  1076.         qDebug("Lv2Plugin::reload() - start");

  1077.         Q_ASSERT(descriptor && rdf_descriptor);

  1078. 

  1079.         // Safely disable plugin for reload

  1080.         const ScopedDisabler m(this);

  1081. 

  1082.         if (x_client->isActive())

  1083.             x_client->deactivate();

  1084. 

  1085.         // Remove client ports

  1086.         removeClientPorts();

  1087. 

  1088.         // Delete old data

  1089.         deleteBuffers();

  1090. 

  1091.         uint32_t aIns, aOuts, cvIns, cvOuts, params, j;

  1092.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1093.         std::vector<uint32_t> evIns, evOuts;

  1094. 

  1095.         const double sampleRate  = x_engine->getSampleRate();

  1096.         const uint32_t portCount = rdf_descriptor->PortCount;

  1097. 

  1098.         bool forcedStereoIn, forcedStereoOut;

  1099.         forcedStereoIn = forcedStereoOut = false;

  1100. 

  1101.         for (uint32_t i=0; i < portCount; i++)

  1102.         {

  1103.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1104. 

  1105.             if (LV2_IS_PORT_AUDIO(portType))

  1106.             {

  1107.                 if (LV2_IS_PORT_INPUT(portType))

  1108.                     aIns += 1;

  1109.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1110.                     aOuts += 1;

  1111.             }

  1112.             else if (LV2_IS_PORT_CV(portType))

  1113.             {

  1114.                 if (LV2_IS_PORT_INPUT(portType))

  1115.                     cvIns += 1;

  1116.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1117.                     cvOuts += 1;

  1118.             }

  1119.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1120.             {

  1121.                 if (LV2_IS_PORT_INPUT(portType))

  1122.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1123.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1124.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1125.             }

  1126.             else if (LV2_IS_PORT_EVENT(portType))

  1127.             {

  1128.                 if (LV2_IS_PORT_INPUT(portType))

  1129.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1130.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1131.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1132.             }

  1133.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1134.             {

  1135.                 if (LV2_IS_PORT_INPUT(portType))

  1136.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1137.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1138.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1139.             }

  1140.             else if (LV2_IS_PORT_CONTROL(portType))

  1141.                 params += 1;

  1142.         }

  1143. 

  1144. #ifndef BUILD_BRIDGE

  1145.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! h2)

  1146.         {

  1147.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1148. 

  1149.             if (aIns == 1)

  1150.             {

  1151.                 aIns = 2;

  1152.                 forcedStereoIn = true;

  1153.             }

  1154. 

  1155.             if (aOuts == 1)

  1156.             {

  1157.                 aOuts = 2;

  1158.                 forcedStereoOut = true;

  1159.             }

  1160.         }

  1161. #endif

  1162. 

  1163.         if (aIns > 0)

  1164.         {

  1165.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1166.             aIn.rindexes = new uint32_t[aIns];

  1167.         }

  1168. 

  1169.         if (aOuts > 0)

  1170.         {

  1171.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1172.             aOut.rindexes = new uint32_t[aOuts];

  1173.         }

  1174. 

  1175.         if (evIns.size() > 0)

  1176.         {

  1177.             const size_t size = evIns.size();

  1178.             evIn.data = new Lv2EventData[size];

  1179. 

  1180.             for (j=0; j < size; j++)

  1181.             {

  1182.                 evIn.data[j].port = nullptr;

  1183.                 evIn.data[j].type = 0;

  1184. 

  1185.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1186.                 {

  1187.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1188.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1189.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1190.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1191.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1192.                     evIn.data[j].atom->body.pad  = 0;

  1193.                 }

  1194.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1195.                 {

  1196.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1197.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1198.                 }

  1199.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1200.                 {

  1201.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1202.                     evIn.data[j].midi  = new LV2_MIDI;

  1203.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1204.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1205.                 }

  1206.             }

  1207.         }

  1208. 

  1209.         if (evOuts.size() > 0)

  1210.         {

  1211.             const size_t size = evOuts.size();

  1212.             evOut.data = new Lv2EventData[size];

  1213. 

  1214.             for (j=0; j < size; j++)

  1215.             {

  1216.                 evOut.data[j].port = nullptr;

  1217.                 evOut.data[j].type = 0;

  1218. 

  1219.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1220.                 {

  1221.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1222.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1223.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1224.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1225.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1226.                     evOut.data[j].atom->body.pad  = 0;

  1227.                 }

  1228.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1229.                 {

  1230.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1231.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1232.                 }

  1233.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1234.                 {

  1235.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1236.                     evOut.data[j].midi  = new LV2_MIDI;

  1237.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1238.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1239.                 }

  1240.             }

  1241.         }

  1242. 

  1243.         if (params > 0)

  1244.         {

  1245.             param.data   = new ParameterData[params];

  1246.             param.ranges = new ParameterRanges[params];

  1247.             paramBuffers = new float[params];

  1248.         }

  1249. 

  1250.         const int portNameSize = CarlaEngine::maxPortNameSize() - 2;

  1251.         char portName[portNameSize];

  1252.         bool needsCtrlIn  = false;

  1253.         bool needsCtrlOut = false;

  1254. 

  1255.         for (uint32_t i=0; i < portCount; i++)

  1256.         {

  1257.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1258. 

  1259.             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))

  1260.             {

  1261. #ifndef BUILD_BRIDGE

  1262.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1263.                 {

  1264.                     strcpy(portName, m_name);

  1265.                     strcat(portName, ":");

  1266.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1267.                 }

  1268.                 else

  1269. #endif

  1270.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1271.             }

  1272. 

  1273.             if (LV2_IS_PORT_AUDIO(portType))

  1274.             {

  1275.                 if (LV2_IS_PORT_INPUT(portType))

  1276.                 {

  1277.                     j = aIn.count++;

  1278.                     aIn.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1279.                     aIn.rindexes[j] = i;

  1280. 

  1281.                     if (forcedStereoIn)

  1282.                     {

  1283.                         strcat(portName, "_");

  1284.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1285.                         aIn.rindexes[1] = i;

  1286.                     }

  1287.                 }

  1288.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1289.                 {

  1290.                     j = aOut.count++;

  1291.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1292.                     aOut.rindexes[j] = i;

  1293.                     needsCtrlIn = true;

  1294. 

  1295.                     if (forcedStereoOut)

  1296.                     {

  1297.                         strcat(portName, "_");

  1298.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1299.                         aOut.rindexes[1] = i;

  1300.                     }

  1301.                 }

  1302.                 else

  1303.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1304.             }

  1305.             else if (LV2_IS_PORT_CV(portType))

  1306.             {

  1307.                 if (LV2_IS_PORT_INPUT(portType))

  1308.                 {

  1309.                     qWarning("WARNING - CV Ports are not supported yet");

  1310.                 }

  1311.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1312.                 {

  1313.                     qWarning("WARNING - CV Ports are not supported yet");

  1314.                 }

  1315.                 else

  1316.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1317. 

  1318.                 descriptor->connect_port(handle, i, nullptr);

  1319.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1320.             }

  1321.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1322.             {

  1323.                 if (LV2_IS_PORT_INPUT(portType))

  1324.                 {

  1325.                     j = evIn.count++;

  1326.                     descriptor->connect_port(handle, i, evIn.data[j].atom);

  1327.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1328. 

  1329.                     evIn.data[j].rindex = i;

  1330. 

  1331.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1332.                     {

  1333.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1334.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1335.                     }

  1336.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1337.                     {

  1338.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1339.                     }

  1340.                 }

  1341.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1342.                 {

  1343.                     j = evOut.count++;

  1344.                     descriptor->connect_port(handle, i, evOut.data[j].atom);

  1345.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].atom);

  1346. 

  1347.                     evOut.data[j].rindex = i;

  1348. 

  1349.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1350.                     {

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

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

  1353.                     }

  1354.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1355.                     {

  1356.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1357.                     }

  1358.                 }

  1359.                 else

  1360.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1361.             }

  1362.             else if (LV2_IS_PORT_EVENT(portType))

  1363.             {

  1364.                 if (LV2_IS_PORT_INPUT(portType))

  1365.                 {

  1366.                     j = evIn.count++;

  1367.                     descriptor->connect_port(handle, i, evIn.data[j].event);

  1368.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1369. 

  1370.                     evIn.data[j].rindex = i;

  1371. 

  1372.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1373.                     {

  1374.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1375.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1376.                     }

  1377.                 }

  1378.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1379.                 {

  1380.                     j = evOut.count++;

  1381.                     descriptor->connect_port(handle, i, evOut.data[j].event);

  1382.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1383. 

  1384.                     evOut.data[j].rindex = i;

  1385. 

  1386.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1387.                     {

  1388.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1389.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1390.                     }

  1391.                 }

  1392.                 else

  1393.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1394.             }

  1395.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1396.             {

  1397.                 if (LV2_IS_PORT_INPUT(portType))

  1398.                 {

  1399.                     j = evIn.count++;

  1400.                     descriptor->connect_port(handle, i, evIn.data[j].midi);

  1401.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1402. 

  1403.                     evIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1404.                     evIn.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1405.                     evIn.data[j].rindex = i;

  1406.                 }

  1407.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1408.                 {

  1409.                     j = evOut.count++;

  1410.                     descriptor->connect_port(handle, i, evOut.data[j].midi);

  1411.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1412. 

  1413.                     evOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1414.                     evOut.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1415.                     evOut.data[j].rindex = i;

  1416.                 }

  1417.                 else

  1418.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1419.             }

  1420.             else if (LV2_IS_PORT_CONTROL(portType))

  1421.             {

  1422.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1423.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1424.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1425. 

  1426.                 j = param.count++;

  1427.                 param.data[j].index  = j;

  1428.                 param.data[j].rindex = i;

  1429.                 param.data[j].hints  = 0;

  1430.                 param.data[j].midiChannel = 0;

  1431.                 param.data[j].midiCC = -1;

  1432. 

  1433.                 double min, max, def, step, stepSmall, stepLarge;

  1434. 

  1435.                 // min value

  1436.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1437.                     min = portPoints.Minimum;

  1438.                 else

  1439.                     min = 0.0;

  1440. 

  1441.                 // max value

  1442.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1443.                     max = portPoints.Maximum;

  1444.                 else

  1445.                     max = 1.0;

  1446. 

  1447.                 if (min > max)

  1448.                     max = min;

  1449.                 else if (max < min)

  1450.                     min = max;

  1451. 

  1452.                 // stupid hack for ir.lv2 (broken plugin)

  1453.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1454.                 {

  1455.                     min = 0.0;

  1456.                     max = 16777215.0; // 0xffffff

  1457.                 }

  1458. 

  1459.                 if (max - min == 0.0)

  1460.                 {

  1461.                     qWarning("Broken plugin parameter: max - min == 0");

  1462.                     max = min + 0.1;

  1463.                 }

  1464. 

  1465.                 // default value

  1466.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1467.                 {

  1468.                     def = portPoints.Default;

  1469.                 }

  1470.                 else

  1471.                 {

  1472.                     // no default value

  1473.                     if (min < 0.0 && max > 0.0)

  1474.                         def = 0.0;

  1475.                     else

  1476.                         def = min;

  1477.                 }

  1478. 

  1479.                 if (def < min)

  1480.                     def = min;

  1481.                 else if (def > max)

  1482.                     def = max;

  1483. 

  1484.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1485.                 {

  1486.                     min *= sampleRate;

  1487.                     max *= sampleRate;

  1488.                     def *= sampleRate;

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

  1490.                 }

  1491. 

  1492.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1493.                 {

  1494.                     step = max - min;

  1495.                     stepSmall = step;

  1496.                     stepLarge = step;

  1497.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1498.                 }

  1499.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1500.                 {

  1501.                     step = 1.0;

  1502.                     stepSmall = 1.0;

  1503.                     stepLarge = 10.0;

  1504.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1505.                 }

  1506.                 else

  1507.                 {

  1508.                     double range = max - min;

  1509.                     step = range/100.0;

  1510.                     stepSmall = range/1000.0;

  1511.                     stepLarge = range/10.0;

  1512.                 }

  1513. 

  1514.                 if (LV2_IS_PORT_INPUT(portType))

  1515.                 {

  1516.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1517.                     {

  1518.                         qWarning("Plugin has latency input port, this should not happen!");

  1519.                     }

  1520.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1521.                     {

  1522.                         def = sampleRate;

  1523.                         step = 1.0;

  1524.                         stepSmall = 1.0;

  1525.                         stepLarge = 1.0;

  1526. 

  1527.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1528.                         param.data[j].hints = 0;

  1529.                     }

  1530.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1531.                     {

  1532.                         param.data[j].type = PARAMETER_LV2_FREEWHEEL;

  1533.                     }

  1534.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1535.                     {

  1536.                         param.data[j].type = PARAMETER_LV2_TIME;

  1537.                     }

  1538.                     else

  1539.                     {

  1540.                         param.data[j].type = PARAMETER_INPUT;

  1541.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1542.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1543.                         needsCtrlIn = true;

  1544.                     }

  1545. 

  1546.                     // MIDI CC value

  1547.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1548.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1549.                     {

  1550.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1551.                             param.data[j].midiCC = portMidiMap->Number;

  1552.                     }

  1553.                 }

  1554.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1555.                 {

  1556.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1557.                     {

  1558.                         min = 0.0;

  1559.                         max = sampleRate;

  1560.                         def = 0.0;

  1561.                         step = 1.0;

  1562.                         stepSmall = 1.0;

  1563.                         stepLarge = 1.0;

  1564. 

  1565.                         param.data[j].type  = PARAMETER_LATENCY;

  1566.                         param.data[j].hints = 0;

  1567.                     }

  1568.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1569.                     {

  1570.                         def = sampleRate;

  1571.                         step = 1.0;

  1572.                         stepSmall = 1.0;

  1573.                         stepLarge = 1.0;

  1574. 

  1575.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1576.                         param.data[j].hints = 0;

  1577.                     }

  1578.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1579.                     {

  1580.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1581.                     }

  1582.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1583.                     {

  1584.                         param.data[j].type = PARAMETER_LV2_TIME;

  1585.                     }

  1586.                     else

  1587.                     {

  1588.                         param.data[j].type   = PARAMETER_OUTPUT;

  1589.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1590.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1591.                         needsCtrlOut = true;

  1592.                     }

  1593.                 }

  1594.                 else

  1595.                 {

  1596.                     param.data[j].type = PARAMETER_UNKNOWN;

  1597.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1598.                 }

  1599. 

  1600.                 // extra parameter hints

  1601.                 if (LV2_IS_PORT_ENUMERATION(portProps))

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

  1603. 

  1604.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

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

  1606. 

  1607.                 if (LV2_IS_PORT_TRIGGER(portProps))

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

  1609. 

  1610.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  1611.                     param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  1612. 

  1613.                 // check if parameter is not enabled or automable

  1614.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

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

  1616. 

  1617.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

  1618.                     param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  1619. 

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

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

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

  1623.                 param.ranges[j].step = step;

  1624.                 param.ranges[j].stepSmall = stepSmall;

  1625.                 param.ranges[j].stepLarge = stepLarge;

  1626. 

  1627.                 // Start parameters in their default values

  1628.                 paramBuffers[j] = def;

  1629. 

  1630.                 descriptor->connect_port(handle, i, &paramBuffers[j]);

  1631.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1632.             }

  1633.             else

  1634.             {

  1635.                 // Port Type not supported, but it's optional anyway

  1636.                 descriptor->connect_port(handle, i, nullptr);

  1637.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1638.             }

  1639.         }

  1640. 

  1641.         if (needsCtrlIn)

  1642.         {

  1643. #ifndef BUILD_BRIDGE

  1644.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1645.             {

  1646.                 strcpy(portName, m_name);

  1647.                 strcat(portName, ":control-in");

  1648.             }

  1649.             else

  1650. #endif

  1651.                 strcpy(portName, "control-in");

  1652. 

  1653.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1654.         }

  1655. 

  1656.         if (needsCtrlOut)

  1657.         {

  1658. #ifndef BUILD_BRIDGE

  1659.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1660.             {

  1661.                 strcpy(portName, m_name);

  1662.                 strcat(portName, ":control-out");

  1663.             }

  1664.             else

  1665. #endif

  1666.                 strcpy(portName, "control-out");

  1667. 

  1668.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1669.         }

  1670. 

  1671.         aIn.count   = aIns;

  1672.         aOut.count  = aOuts;

  1673.         evIn.count  = evIns.size();

  1674.         evOut.count = evOuts.size();

  1675.         param.count = params;

  1676. 

  1677.         // plugin checks

  1678.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  1679. 

  1680.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1681.             m_hints |= PLUGIN_IS_SYNTH;

  1682. 

  1683.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1684.             m_hints |= PLUGIN_CAN_DRYWET;

  1685. 

  1686.         if (aOuts > 0)

  1687.             m_hints |= PLUGIN_CAN_VOLUME;

  1688. 

  1689.         if (aOuts >= 2 && aOuts%2 == 0)

  1690.             m_hints |= PLUGIN_CAN_BALANCE;

  1691. 

  1692.         // check extensions

  1693.         ext.state      = nullptr;

  1694.         ext.worker     = nullptr;

  1695.         ext.programs   = nullptr;

  1696. 

  1697.         if (descriptor->extension_data)

  1698.         {

  1699.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1700.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1701. 

  1702.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1703.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1704. 

  1705.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1706.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1707.         }

  1708. 

  1709.         reloadPrograms(true);

  1710. 

  1711.         x_client->activate();

  1712. 

  1713.         qDebug("Lv2Plugin::reload() - end");

  1714.     }

  1715. 

  1716.     void reloadPrograms(const bool init)

  1717.     {

  1718.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1719.         uint32_t i, oldCount = midiprog.count;

  1720. 

  1721.         // Delete old programs

  1722.         if (midiprog.count > 0)

  1723.         {

  1724.             for (i=0; i < midiprog.count; i++)

  1725.             {

  1726.                 if (midiprog.data[i].name)

  1727.                     free((void*)midiprog.data[i].name);

  1728.             }

  1729. 

  1730.             delete[] midiprog.data;

  1731.         }

  1732. 

  1733.         midiprog.count = 0;

  1734.         midiprog.data  = nullptr;

  1735. 

  1736.         // Query new programs

  1737.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1738.         {

  1739.             while (ext.programs->get_program(handle, midiprog.count))

  1740.                 midiprog.count += 1;

  1741.         }

  1742. 

  1743.         if (midiprog.count > 0)

  1744.             midiprog.data = new midi_program_t[midiprog.count];

  1745. 

  1746.         // Update data

  1747.         for (i=0; i < midiprog.count; i++)

  1748.         {

  1749.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1750.             Q_ASSERT(pdesc);

  1751.             Q_ASSERT(pdesc->program < 128);

  1752.             Q_ASSERT(pdesc->name);

  1753. 

  1754.             midiprog.data[i].bank    = pdesc->bank;

  1755.             midiprog.data[i].program = pdesc->program;

  1756.             midiprog.data[i].name    = strdup(pdesc->name);

  1757.         }

  1758. 

  1759. #ifndef BUILD_BRIDGE

  1760.         // Update OSC Names

  1761.         if (x_engine->isOscControllerRegisted())

  1762.         {

  1763.             x_engine->osc_send_control_set_midi_program_count(m_id, midiprog.count);

  1764. 

  1765.             for (i=0; i < midiprog.count; i++)

  1766.                 x_engine->osc_send_control_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1767.         }

  1768. #endif

  1769. 

  1770.         if (init)

  1771.         {

  1772.             if (midiprog.count > 0)

  1773.                 setMidiProgram(0, false, false, false, true);

  1774.         }

  1775.         else

  1776.         {

  1777.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1778. 

  1779.             // Check if current program is invalid

  1780.             bool programChanged = false;

  1781. 

  1782.             if (midiprog.count == oldCount+1)

  1783.             {

  1784.                 // one midi program added, probably created by user

  1785.                 midiprog.current = oldCount;

  1786.                 programChanged   = true;

  1787.             }

  1788.             else if (midiprog.current >= (int32_t)midiprog.count)

  1789.             {

  1790.                 // current midi program > count

  1791.                 midiprog.current = 0;

  1792.                 programChanged   = true;

  1793.             }

  1794.             else if (midiprog.current < 0 && midiprog.count > 0)

  1795.             {

  1796.                 // programs exist now, but not before

  1797.                 midiprog.current = 0;

  1798.                 programChanged   = true;

  1799.             }

  1800.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1801.             {

  1802.                 // programs existed before, but not anymore

  1803.                 midiprog.current = -1;

  1804.                 programChanged   = true;

  1805.             }

  1806. 

  1807.             if (programChanged)

  1808.                 setMidiProgram(midiprog.current, true, true, true, true);

  1809.         }

  1810.     }

  1811. 

  1812.     void prepareForSave()

  1813.     {

  1814.         if (ext.state && ext.state->save)

  1815.         {

  1816.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1817.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1818.         }

  1819.     }

  1820. 

  1821.     // -------------------------------------------------------------------

  1822.     // Plugin processing

  1823. 

  1824.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1825.     {

  1826.         uint32_t i, k;

  1827.         uint32_t midiEventCount = 0;

  1828. 

  1829.         double aInsPeak[2]  = { 0.0 };

  1830.         double aOutsPeak[2] = { 0.0 };

  1831. 

  1832.         // handle events from different APIs

  1833.         uint32_t evInAtomOffsets[evIn.count];

  1834.         LV2_Event_Iterator evInEventIters[evIn.count];

  1835.         LV2_MIDIState evInMidiStates[evIn.count];

  1836. 

  1837.         for (i=0; i < evIn.count; i++)

  1838.         {

  1839.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1840.             {

  1841.                 evInAtomOffsets[i] = 0;

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

  1843.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1844.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1845.                 evIn.data[i].atom->body.pad  = 0;

  1846.             }

  1847.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1848.             {

  1849.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1850.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1851.             }

  1852.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1853.             {

  1854.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1855.                 evInMidiStates[i].frame_count = frames;

  1856.                 evInMidiStates[i].position = 0;

  1857.                 evInMidiStates[i].midi->event_count = 0;

  1858.                 evInMidiStates[i].midi->size = 0;

  1859.             }

  1860.         }

  1861. 

  1862.         for (i=0; i < evOut.count; i++)

  1863.         {

  1864.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1865.             {

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

  1867.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1868.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1869.                 evOut.data[i].atom->body.pad  = 0;

  1870.             }

  1871.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1872.             {

  1873.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1874.             }

  1875.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1876.             {

  1877.                 // not needed

  1878.             }

  1879.         }

  1880. 

  1881.         CARLA_PROCESS_CONTINUE_CHECK;

  1882. 

  1883.         // --------------------------------------------------------------------------------------------------------

  1884.         // Input VU

  1885. 

  1886.         if (aIn.count > 0)

  1887.         {

  1888.             if (aIn.count == 1)

  1889.             {

  1890.                 for (k=0; k < frames; k++)

  1891.                 {

  1892.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1893.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1894.                 }

  1895.             }

  1896.             else if (aIn.count > 1)

  1897.             {

  1898.                 for (k=0; k < frames; k++)

  1899.                 {

  1900.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1901.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1902. 

  1903.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1904.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1905.                 }

  1906.             }

  1907.         }

  1908. 

  1909.         CARLA_PROCESS_CONTINUE_CHECK;

  1910. 

  1911.         // --------------------------------------------------------------------------------------------------------

  1912.         // Parameters Input [Automation]

  1913. 

  1914.         if (param.portCin && m_active && m_activeBefore)

  1915.         {

  1916.             bool allNotesOffSent = false;

  1917. 

  1918.             const CarlaEngineControlEvent* cinEvent;

  1919.             uint32_t time, nEvents = param.portCin->getEventCount();

  1920. 

  1921.             uint32_t nextBankId = 0;

  1922.             if (midiprog.current >= 0 && midiprog.count > 0)

  1923.                 nextBankId = midiprog.data[midiprog.current].bank;

  1924. 

  1925.             for (i=0; i < nEvents; i++)

  1926.             {

  1927.                 cinEvent = param.portCin->getEvent(i);

  1928. 

  1929.                 if (! cinEvent)

  1930.                     continue;

  1931. 

  1932.                 time = cinEvent->time - framesOffset;

  1933. 

  1934.                 if (time >= frames)

  1935.                     continue;

  1936. 

  1937.                 // Control change

  1938.                 switch (cinEvent->type)

  1939.                 {

  1940.                 case CarlaEngineEventNull:

  1941.                     break;

  1942. 

  1943.                 case CarlaEngineEventControlChange:

  1944.                 {

  1945.                     double value;

  1946. 

  1947.                     // Control backend stuff

  1948.                     if (cinEvent->channel == m_ctrlInChannel)

  1949.                     {

  1950.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1951.                         {

  1952.                             value = cinEvent->value;

  1953.                             setDryWet(value, false, false);

  1954.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1955.                             continue;

  1956.                         }

  1957. 

  1958.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1959.                         {

  1960.                             value = cinEvent->value*127/100;

  1961.                             setVolume(value, false, false);

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

  1963.                             continue;

  1964.                         }

  1965. 

  1966.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1967.                         {

  1968.                             double left, right;

  1969.                             value = cinEvent->value/0.5 - 1.0;

  1970. 

  1971.                             if (value < 0.0)

  1972.                             {

  1973.                                 left  = -1.0;

  1974.                                 right = (value*2)+1.0;

  1975.                             }

  1976.                             else if (value > 0.0)

  1977.                             {

  1978.                                 left  = (value*2)-1.0;

  1979.                                 right = 1.0;

  1980.                             }

  1981.                             else

  1982.                             {

  1983.                                 left  = -1.0;

  1984.                                 right = 1.0;

  1985.                             }

  1986. 

  1987.                             setBalanceLeft(left, false, false);

  1988.                             setBalanceRight(right, false, false);

  1989.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1990.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1991.                             continue;

  1992.                         }

  1993.                     }

  1994. 

  1995.                     // Control plugin parameters

  1996.                     for (k=0; k < param.count; k++)

  1997.                     {

  1998.                         if (param.data[k].midiChannel != cinEvent->channel)

  1999.                             continue;

  2000.                         if (param.data[k].midiCC != cinEvent->controller)

  2001.                             continue;

  2002.                         if (param.data[k].type != PARAMETER_INPUT)

  2003.                             continue;

  2004. 

  2005.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  2006.                         {

  2007.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  2008.                             {

  2009.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  2010.                             }

  2011.                             else

  2012.                             {

  2013.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  2014. 

  2015.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  2016.                                     value = rint(value);

  2017.                             }

  2018. 

  2019.                             setParameterValue(k, value, false, false, false);

  2020.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  2021.                         }

  2022.                     }

  2023. 

  2024.                     break;

  2025.                 }

  2026. 

  2027.                 case CarlaEngineEventMidiBankChange:

  2028.                     if (cinEvent->channel == m_ctrlInChannel)

  2029.                         nextBankId = rint(cinEvent->value);

  2030.                     break;

  2031. 

  2032.                 case CarlaEngineEventMidiProgramChange:

  2033.                     if (cinEvent->channel == m_ctrlInChannel)

  2034.                     {

  2035.                         uint32_t nextProgramId = rint(cinEvent->value);

  2036. 

  2037.                         for (k=0; k < midiprog.count; k++)

  2038.                         {

  2039.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  2040.                             {

  2041.                                 setMidiProgram(k, false, false, false, false);

  2042.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  2043.                                 break;

  2044.                             }

  2045.                         }

  2046.                     }

  2047.                     break;

  2048. 

  2049.                 case CarlaEngineEventAllSoundOff:

  2050.                     if (cinEvent->channel == m_ctrlInChannel)

  2051.                     {

  2052.                         if (midi.portMin && ! allNotesOffSent)

  2053.                             sendMidiAllNotesOff();

  2054. 

  2055.                         if (descriptor->deactivate)

  2056.                         {

  2057.                             descriptor->deactivate(handle);

  2058.                             if (h2) descriptor->deactivate(h2);

  2059.                         }

  2060. 

  2061.                         if (descriptor->activate)

  2062.                         {

  2063.                             descriptor->activate(handle);

  2064.                             if (h2) descriptor->activate(h2);

  2065.                         }

  2066. 

  2067.                         allNotesOffSent = true;

  2068.                     }

  2069.                     break;

  2070. 

  2071.                 case CarlaEngineEventAllNotesOff:

  2072.                     if (cinEvent->channel == m_ctrlInChannel)

  2073.                     {

  2074.                         if (midi.portMin && ! allNotesOffSent)

  2075.                             sendMidiAllNotesOff();

  2076. 

  2077.                         allNotesOffSent = true;

  2078.                     }

  2079.                     break;

  2080.                 }

  2081.             }

  2082.         } // End of Parameters Input

  2083. 

  2084.         CARLA_PROCESS_CONTINUE_CHECK;

  2085. 

  2086.         // --------------------------------------------------------------------------------------------------------

  2087.         // Event Input

  2088. 

  2089.         if (evIn.count > 0 && m_active && m_activeBefore)

  2090.         {

  2091.             // ----------------------------------------------------------------------------------------------------

  2092.             // MIDI Input (External)

  2093. 

  2094.             {

  2095.                 engineMidiLock();

  2096. 

  2097.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2098.                 {

  2099.                     if (extMidiNotes[i].channel < 0)

  2100.                         break;

  2101. 

  2102.                     uint8_t midiEvent[3] = { 0 };

  2103.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2104.                     midiEvent[1] = extMidiNotes[i].note;

  2105.                     midiEvent[2] = extMidiNotes[i].velo;

  2106. 

  2107.                     // send to all midi inputs

  2108.                     for (k=0; k < evIn.count; k++)

  2109.                     {

  2110.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2111.                         {

  2112.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2113.                             {

  2114.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2115.                                 aev->time.frames = 0;

  2116.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2117.                                 aev->body.size   = 3;

  2118.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2119. 

  2120.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2121.                                 evInAtomOffsets[k]           += evInPadSize;

  2122.                                 evIn.data[k].atom->atom.size += evInPadSize;

  2123.                             }

  2124.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2125.                             {

  2126.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2127.                             }

  2128.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2129.                             {

  2130.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2131.                             }

  2132.                         }

  2133.                     }

  2134. 

  2135.                     extMidiNotes[i].channel = -1; // mark as invalid

  2136.                     midiEventCount += 1;

  2137.                 }

  2138. 

  2139.                 engineMidiUnlock();

  2140. 

  2141.             } // End of MIDI Input (External)

  2142. 

  2143.             CARLA_PROCESS_CONTINUE_CHECK;

  2144. 

  2145.             // ----------------------------------------------------------------------------------------------------

  2146.             // MIDI Input (System)

  2147. 

  2148.             {

  2149.                 for (i=0; i < evIn.count; i++)

  2150.                 {

  2151.                     if (! evIn.data[i].port)

  2152.                         continue;

  2153. 

  2154.                     const CarlaEngineMidiEvent* minEvent;

  2155.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2156. 

  2157.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2158.                     {

  2159.                         minEvent = evIn.data[i].port->getEvent(k);

  2160. 

  2161.                         if (! minEvent)

  2162.                             continue;

  2163. 

  2164.                         time = minEvent->time - framesOffset;

  2165. 

  2166.                         if (time >= frames)

  2167.                             continue;

  2168. 

  2169.                         uint8_t status  = minEvent->data[0];

  2170.                         uint8_t channel = status & 0x0F;

  2171. 

  2172.                         // Fix bad note-off

  2173.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2174.                             status -= 0x10;

  2175. 

  2176.                         // only write supported status types

  2177.                         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))

  2178.                         {

  2179.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2180.                             {

  2181.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2182.                                 aev->time.frames = time;

  2183.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2184.                                 aev->body.size   = minEvent->size;

  2185.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2186. 

  2187.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2188.                                 evInAtomOffsets[i]           += evInPadSize;

  2189.                                 evIn.data[i].atom->atom.size += evInPadSize;

  2190.                             }

  2191.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2192.                             {

  2193.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2194.                             }

  2195.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2196.                             {

  2197.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2198.                             }

  2199. 

  2200.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2201.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2202.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2203.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2204.                         }

  2205. 

  2206.                         midiEventCount += 1;

  2207.                     }

  2208.                 }

  2209.             } // End of MIDI Input (System)

  2210. 

  2211.             // ----------------------------------------------------------------------------------------------------

  2212.             // Message Input

  2213. 

  2214.             {

  2215.                 for (i=0; i < evIn.count; i++)

  2216.                 {

  2217.                     if (! evIn.data[i].type & CARLA_EVENT_TYPE_MESSAGE)

  2218.                         continue;

  2219. 

  2220.                     // messages only supported in Atom type ports

  2221.                     Q_ASSERT(evIn.data[i].type & CARLA_EVENT_DATA_ATOM);

  2222. 

  2223. #if 0

  2224.                      // send transport info if changed

  2225.                     const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2226. 

  2227.                     if (timeInfo->playing != lastTimePosPlaying || timeInfo->frame != lastTimePosFrame)

  2228.                     {

  2229.                         uint8_t posBuf[256];

  2230.                         LV2_Atom* const lv2Pos = (LV2_Atom*)posBuf;

  2231. 

  2232.                         LV2_Atom_Forge tempForge;

  2233.                         LV2_Atom_Forge* const forge = &tempForge;

  2234.                         lv2_atom_forge_set_buffer(forge, posBuf, sizeof(uint8_t)*256);

  2235. 

  2236.                         //LV2_Atom_Forge_Frame frame;

  2237.                         //lv2_atom_forge_blank(forge, &frame, 1, jalv->urids.time_Position);

  2238.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_frame, 0);

  2239.                         lv2_atom_forge_long(forge, timeInfo->frame);

  2240.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_position, 0);

  2241.                         lv2_atom_forge_long(forge, timeInfo->time);

  2242.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_speed, 0);

  2243.                         lv2_atom_forge_float(forge, timeInfo->playing ? 1.0 : 0.0);

  2244. 

  2245.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2246.                         {

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

  2248.                             lv2_atom_forge_float(forge, timeInfo->bbt.bar - 1);

  2249. 

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

  2251.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat));

  2252. 

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

  2254.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1); // FIXME: -1 ?

  2255. 

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

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

  2258. 

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

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

  2261. 

  2262.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatsPerMinute, 0);

  2263.                             lv2_atom_forge_float(forge, timeInfo->bbt.beats_per_minute);

  2264.                         }

  2265. 

  2266.                         LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2267.                         aev->time.frames = framesOffset;

  2268.                         aev->body.type   = lv2Pos->type;

  2269.                         aev->body.size   = lv2Pos->size;

  2270.                         memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(lv2Pos), lv2Pos->size);

  2271. 

  2272.                         const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + lv2Pos->size);

  2273.                         evInAtomOffsets[i]           += evInPadSize;

  2274.                         evIn.data[i].atom->atom.size += evInPadSize;

  2275. 

  2276.                         lastTimePosPlaying = timeInfo->playing;

  2277.                         lastTimePosFrame   = timeInfo->playing ? timeInfo->frame + frames : timeInfo->frame;

  2278.                     }

  2279. #endif

  2280. 

  2281.                     atomQueueIn.lock();

  2282. 

  2283.                     if (! atomQueueIn.isEmpty())

  2284.                     {

  2285.                         uint32_t portIndex;

  2286.                         const LV2_Atom* atom;

  2287. 

  2288.                         while (atomQueueIn.get(&portIndex, &atom, false))

  2289.                         {

  2290.                             if (atom->type == CARLA_URI_MAP_ID_ATOM_WORKER)

  2291.                             {

  2292.                                 const LV2_Atom_Worker* const atomWorker = (const LV2_Atom_Worker*)atom;

  2293.                                 ext.worker->work_response(handle, atomWorker->body.size, atomWorker->body.data);

  2294.                                 continue;

  2295.                             }

  2296. 

  2297.                             LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2298.                             aev->time.frames = framesOffset;

  2299.                             aev->body.type   = atom->type;

  2300.                             aev->body.size   = atom->size;

  2301.                             memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(atom), atom->size);

  2302. 

  2303.                             const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + atom->size);

  2304.                             evInAtomOffsets[i]           += evInPadSize;

  2305.                             evIn.data[i].atom->atom.size += evInPadSize;

  2306.                         }

  2307.                     }

  2308. 

  2309.                     atomQueueIn.unlock();

  2310.                 }

  2311.             }

  2312. 

  2313.         } // End of Event Input

  2314. 

  2315.         CARLA_PROCESS_CONTINUE_CHECK;

  2316. 

  2317.         // --------------------------------------------------------------------------------------------------------

  2318.         // Special Parameters

  2319. 

  2320.         {

  2321.             int32_t rindex;

  2322.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2323. 

  2324.             for (k=0; k < param.count; k++)

  2325.             {

  2326.                 if (param.data[k].type == PARAMETER_LATENCY)

  2327.                 {

  2328.                     // TODO

  2329.                 }

  2330.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2331.                 {

  2332.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2333.                 }

  2334.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2335.                 {

  2336.                     rindex = param.data[k].rindex;

  2337.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2338. 

  2339.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2340.                     {

  2341.                     // Non-BBT

  2342.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2343.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2344.                         break;

  2345.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2346.                         break;

  2347.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

  2348.                         setParameterValue(k, timeInfo->time, false, false, false);

  2349.                         break;

  2350.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2351.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2352.                         break;

  2353.                     // BBT

  2354.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2355.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2356.                             setParameterValue(k, timeInfo->bbt.bar - 1, false, false, false);

  2357.                         break;

  2358.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2359.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2360.                             setParameterValue(k, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat), false, false, false);

  2361.                         break;

  2362.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2363.                         if (timeInfo->valid & CarlaEngineTimeBBT)  // FIXME: -1 ?

  2364.                             setParameterValue(k, timeInfo->bbt.beat - 1, false, false, false);

  2365.                         break;

  2366.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2367.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2368.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2369.                         break;

  2370.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2371.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2372.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2373.                         break;

  2374.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2375.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2376.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2377.                         break;

  2378.                     }

  2379.                 }

  2380.             }

  2381.         }

  2382. 

  2383.         CARLA_PROCESS_CONTINUE_CHECK;

  2384. 

  2385.         // --------------------------------------------------------------------------------------------------------

  2386.         // Plugin processing

  2387. 

  2388.         if (m_active)

  2389.         {

  2390.             if (! m_activeBefore)

  2391.             {

  2392.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2393.                 {

  2394.                     uint8_t midiEvent1[2] = { 0 };

  2395.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2396.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2397. 

  2398.                     uint8_t midiEvent2[2] = { 0 };

  2399.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2400.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2401. 

  2402.                     // send to all midi inputs

  2403.                     for (k=0; k < evIn.count; k++)

  2404.                     {

  2405.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2406.                         {

  2407.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2408.                             {

  2409.                                 // all sound off

  2410.                                 LV2_Atom_Event* const aev1 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2411.                                 aev1->time.frames = 0;

  2412.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2413.                                 aev1->body.size   = 2;

  2414.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2415. 

  2416.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2417.                                 evInAtomOffsets[k]           += padSize;

  2418.                                 evIn.data[k].atom->atom.size += padSize;

  2419. 

  2420.                                 // all notes off

  2421.                                 LV2_Atom_Event* const aev2 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2422.                                 aev2->time.frames = 0;

  2423.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2424.                                 aev2->body.size   = 2;

  2425.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2426. 

  2427.                                 evInAtomOffsets[k]           += padSize;

  2428.                                 evIn.data[k].atom->atom.size += padSize;

  2429.                             }

  2430.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2431.                             {

  2432.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2433.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2434.                             }

  2435.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2436.                             {

  2437.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2438.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2439.                             }

  2440.                         }

  2441.                     }

  2442. 

  2443.                     midiEventCount = 2;

  2444.                 }

  2445. 

  2446.                 if (descriptor->activate)

  2447.                 {

  2448.                     descriptor->activate(handle);

  2449.                     if (h2) descriptor->activate(h2);

  2450.                 }

  2451.             }

  2452. 

  2453.             for (i=0; i < aIn.count; i++)

  2454.             {

  2455.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2456.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2457.             }

  2458. 

  2459.             for (i=0; i < aOut.count; i++)

  2460.             {

  2461.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2462.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2463.             }

  2464. 

  2465.             descriptor->run(handle, frames);

  2466.             if (h2) descriptor->run(h2, frames);

  2467. 

  2468.             if (ext.worker && ext.worker->end_run)

  2469.             {

  2470.                 ext.worker->end_run(handle);

  2471.                 if (h2) ext.worker->end_run(h2);

  2472.             }

  2473.         }

  2474.         else

  2475.         {

  2476.             if (m_activeBefore)

  2477.             {

  2478.                 if (descriptor->deactivate)

  2479.                 {

  2480.                     descriptor->deactivate(handle);

  2481.                     if (h2) descriptor->deactivate(h2);

  2482.                 }

  2483.             }

  2484.         }

  2485. 

  2486.         CARLA_PROCESS_CONTINUE_CHECK;

  2487. 

  2488.         // --------------------------------------------------------------------------------------------------------

  2489.         // Post-processing (dry/wet, volume and balance)

  2490. 

  2491.         if (m_active)

  2492.         {

  2493.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2494.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2495.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2496. 

  2497.             double bal_rangeL, bal_rangeR;

  2498.             float oldBufLeft[do_balance ? frames : 0];

  2499. 

  2500.             for (i=0; i < aOut.count; i++)

  2501.             {

  2502.                 // Dry/Wet

  2503.                 if (do_drywet)

  2504.                 {

  2505.                     for (k=0; k < frames; k++)

  2506.                     {

  2507.                         if (aOut.count == 1)

  2508.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2509.                         else

  2510.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2511.                     }

  2512.                 }

  2513. 

  2514.                 // Balance

  2515.                 if (do_balance)

  2516.                 {

  2517.                     if (i%2 == 0)

  2518.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2519. 

  2520.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2521.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2522. 

  2523.                     for (k=0; k < frames; k++)

  2524.                     {

  2525.                         if (i%2 == 0)

  2526.                         {

  2527.                             // left output

  2528.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2529.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2530.                         }

  2531.                         else

  2532.                         {

  2533.                             // right

  2534.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2535.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2536.                         }

  2537.                     }

  2538.                 }

  2539. 

  2540.                 // Volume

  2541.                 if (do_volume)

  2542.                 {

  2543.                     for (k=0; k < frames; k++)

  2544.                         outBuffer[i][k] *= x_volume;

  2545.                 }

  2546. 

  2547.                 // Output VU

  2548.                 for (k=0; i < 2 && k < frames; k++)

  2549.                 {

  2550.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2551.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2552.                 }

  2553.             }

  2554.         }

  2555.         else

  2556.         {

  2557.             // disable any output sound if not active

  2558.             for (i=0; i < aOut.count; i++)

  2559.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2560. 

  2561.             aOutsPeak[0] = 0.0;

  2562.             aOutsPeak[1] = 0.0;

  2563. 

  2564.         } // End of Post-processing

  2565. 

  2566.         CARLA_PROCESS_CONTINUE_CHECK;

  2567. 

  2568.         // --------------------------------------------------------------------------------------------------------

  2569.         // Control Output

  2570. 

  2571.         if (param.portCout && m_active)

  2572.         {

  2573.             double value;

  2574. 

  2575.             for (k=0; k < param.count; k++)

  2576.             {

  2577.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2578.                 {

  2579.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2580. 

  2581.                     if (param.data[k].midiCC > 0)

  2582.                     {

  2583.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2584.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2585.                     }

  2586.                 }

  2587.             }

  2588.         } // End of Control Output

  2589. 

  2590.         CARLA_PROCESS_CONTINUE_CHECK;

  2591. 

  2592.         // --------------------------------------------------------------------------------------------------------

  2593.         // Event Output

  2594. 

  2595.         if (evOut.count > 0 && m_active)

  2596.         {

  2597.             atomQueueOut.lock();

  2598. 

  2599.             for (i=0; i < evOut.count; i++)

  2600.             {

  2601.                 // midi events need the midi port to send events to

  2602.                 if ((evOut.data[i].type & CARLA_EVENT_TYPE_MIDI) > 0 && ! evOut.data[i].port)

  2603.                     continue;

  2604. 

  2605.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2606.                 {

  2607.                     int32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2608.                     int32_t offset = 0;

  2609. 

  2610.                     while (offset < size)

  2611.                     {

  2612.                         qDebug("output event??, offset:%i, size:%i", offset, size);

  2613.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2614. 

  2615.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2616.                             break;

  2617. 

  2618.                         qDebug("output event ------------------------------ YES!");

  2619. 

  2620.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2621.                         {

  2622.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2623.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2624.                         }

  2625.                         else if (aev->body.type == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  2626.                         {

  2627.                             if (! atomQueueOut.isFull())

  2628.                                 atomQueueOut.put(evOut.data[i].rindex, &aev->body);

  2629.                         }

  2630. 

  2631.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2632.                     }

  2633.                 }

  2634.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2635.                 {

  2636.                     const LV2_Event* ev;

  2637.                     LV2_Event_Iterator iter;

  2638. 

  2639.                     uint8_t* data;

  2640.                     lv2_event_begin(&iter, evOut.data[i].event);

  2641. 

  2642.                     for (k=0; k < iter.buf->event_count; k++)

  2643.                     {

  2644.                         ev = lv2_event_get(&iter, &data);

  2645. 

  2646.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2647.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2648. 

  2649.                         lv2_event_increment(&iter);

  2650.                     }

  2651.                 }

  2652.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2653.                 {

  2654.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2655. 

  2656.                     uint32_t eventSize;

  2657.                     double   eventTime;

  2658.                     unsigned char* eventData;

  2659. 

  2660.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2661.                     {

  2662.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2663.                         lv2midi_step(&state);

  2664.                     }

  2665.                 }

  2666.             }

  2667. 

  2668.             atomQueueOut.unlock();

  2669. 

  2670.         } // End of Event Output

  2671. 

  2672.         CARLA_PROCESS_CONTINUE_CHECK;

  2673. 

  2674.         // --------------------------------------------------------------------------------------------------------

  2675.         // Peak Values

  2676. 

  2677.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2678.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2679.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2680.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2681. 

  2682.         m_activeBefore = m_active;

  2683.     }

  2684. 

  2685.     void bufferSizeChanged(const uint32_t newBufferSize)

  2686.     {

  2687.         lv2Options.bufferSize = newBufferSize;

  2688.     }

  2689. 

  2690.     // -------------------------------------------------------------------

  2691.     // Post-poned events

  2692. 

  2693.     void postEventHandleCustom(const int32_t size, const int32_t, const double, const void* const data)

  2694.     {

  2695.         qDebug("Lv2Plugin::postEventHandleCustom(%i, %p)", size, data);

  2696.         Q_ASSERT(ext.worker && ext.worker->work);

  2697. 

  2698.         if (ext.worker && ext.worker->work)

  2699.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  2700.     }

  2701. 

  2702.     void uiParameterChange(const uint32_t index, const double value)

  2703.     {

  2704.         Q_ASSERT(index < param.count);

  2705. 

  2706.         if (index >= param.count)

  2707.             return;

  2708. 

  2709. #ifndef BUILD_BRIDGE

  2710.         if (gui.type == GUI_EXTERNAL_OSC)

  2711.         {

  2712.             if (osc.data.target)

  2713.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2714.         }

  2715.         else

  2716. #endif

  2717.         {

  2718.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2719.             {

  2720.                 float valueF = value;

  2721.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2722.             }

  2723.         }

  2724.     }

  2725. 

  2726.     void uiMidiProgramChange(const uint32_t index)

  2727.     {

  2728.         Q_ASSERT(index < midiprog.count);

  2729. 

  2730.         if (index >= midiprog.count)

  2731.             return;

  2732. 

  2733. #ifndef BUILD_BRIDGE

  2734.         if (gui.type == GUI_EXTERNAL_OSC)

  2735.         {

  2736.             if (osc.data.target)

  2737.                 osc_send_midi_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2738.         }

  2739.         else

  2740. #endif

  2741.         {

  2742.             if (ext.uiprograms)

  2743.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2744.         }

  2745.     }

  2746. 

  2747.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2748.     {

  2749.         Q_ASSERT(channel < 16);

  2750.         Q_ASSERT(note < 128);

  2751.         Q_ASSERT(velo > 0 && velo < 128);

  2752. 

  2753. #ifndef BUILD_BRIDGE

  2754.         if (gui.type == GUI_EXTERNAL_OSC)

  2755.         {

  2756.             if (osc.data.target)

  2757.             {

  2758.                 uint8_t midiData[4] = { 0 };

  2759.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2760.                 midiData[2] = note;

  2761.                 midiData[3] = velo;

  2762.                 osc_send_midi(&osc.data, midiData);

  2763.             }

  2764.         }

  2765.         else

  2766. #endif

  2767.         {

  2768.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2769.             {

  2770.                 LV2_Atom_MidiEvent midiEv;

  2771.                 midiEv.event.time.frames = 0;

  2772.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2773.                 midiEv.event.body.size   = 3;

  2774.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2775.                 midiEv.data[1] = note;

  2776.                 midiEv.data[2] = velo;

  2777. 

  2778.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2779.             }

  2780.         }

  2781.     }

  2782. 

  2783.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2784.     {

  2785.         Q_ASSERT(channel < 16);

  2786.         Q_ASSERT(note < 128);

  2787. 

  2788. #ifndef BUILD_BRIDGE

  2789.         if (gui.type == GUI_EXTERNAL_OSC)

  2790.         {

  2791.             if (osc.data.target)

  2792.             {

  2793.                 uint8_t midiData[4] = { 0 };

  2794.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2795.                 midiData[2] = note;

  2796.                 osc_send_midi(&osc.data, midiData);

  2797.             }

  2798.         }

  2799.         else

  2800. #endif

  2801.         {

  2802.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2803.             {

  2804.                 LV2_Atom_MidiEvent midiEv;

  2805.                 midiEv.event.time.frames = 0;

  2806.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2807.                 midiEv.event.body.size   = 3;

  2808.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2809.                 midiEv.data[1] = note;

  2810.                 midiEv.data[2] = 0;

  2811. 

  2812.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2813.             }

  2814.         }

  2815.     }

  2816. 

  2817.     // -------------------------------------------------------------------

  2818.     // Cleanup

  2819. 

  2820.     void removeClientPorts()

  2821.     {

  2822.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2823. 

  2824.         for (uint32_t i=0; i < evIn.count; i++)

  2825.         {

  2826.             if (evIn.data[i].port)

  2827.             {

  2828.                 delete evIn.data[i].port;

  2829.                 evIn.data[i].port = nullptr;

  2830.             }

  2831.         }

  2832. 

  2833.         for (uint32_t i=0; i < evOut.count; i++)

  2834.         {

  2835.             if (evOut.data[i].port)

  2836.             {

  2837.                 delete evOut.data[i].port;

  2838.                 evOut.data[i].port = nullptr;

  2839.             }

  2840.         }

  2841. 

  2842.         CarlaPlugin::removeClientPorts();

  2843. 

  2844.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2845.     }

  2846. 

  2847.     void initBuffers()

  2848.     {

  2849.         uint32_t i;

  2850. 

  2851.         for (i=0; i < evIn.count; i++)

  2852.         {

  2853.             if (evIn.data[i].port)

  2854.                 evIn.data[i].port->initBuffer(x_engine);

  2855.         }

  2856. 

  2857.         for (uint32_t i=0; i < evOut.count; i++)

  2858.         {

  2859.             if (evOut.data[i].port)

  2860.                 evOut.data[i].port->initBuffer(x_engine);

  2861.         }

  2862. 

  2863.         CarlaPlugin::initBuffers();

  2864.     }

  2865. 

  2866.     void deleteBuffers()

  2867.     {

  2868.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2869. 

  2870.         if (evIn.count > 0)

  2871.         {

  2872.             for (uint32_t i=0; i < evIn.count; i++)

  2873.             {

  2874.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2875.                 {

  2876.                     free(evIn.data[i].atom);

  2877.                 }

  2878.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2879.                 {

  2880.                     free(evIn.data[i].event);

  2881.                 }

  2882.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2883.                 {

  2884.                     delete[] evIn.data[i].midi->data;

  2885.                     delete evIn.data[i].midi;

  2886.                 }

  2887.             }

  2888. 

  2889.             delete[] evIn.data;

  2890.         }

  2891. 

  2892.         if (evOut.count > 0)

  2893.         {

  2894.             for (uint32_t i=0; i < evOut.count; i++)

  2895.             {

  2896.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2897.                 {

  2898.                     free(evOut.data[i].atom);

  2899.                 }

  2900.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2901.                 {

  2902.                     free(evOut.data[i].event);

  2903.                 }

  2904.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2905.                 {

  2906.                     delete[] evOut.data[i].midi->data;

  2907.                     delete evOut.data[i].midi;

  2908.                 }

  2909.             }

  2910. 

  2911.             delete[] evOut.data;

  2912.         }

  2913. 

  2914.         if (param.count > 0)

  2915.             delete[] paramBuffers;

  2916. 

  2917.         evIn.count = 0;

  2918.         evIn.data  = nullptr;

  2919. 

  2920.         evOut.count = 0;

  2921.         evOut.data  = nullptr;

  2922. 

  2923.         paramBuffers = nullptr;

  2924. 

  2925.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2926.     }

  2927. 

  2928.     // -------------------------------------------------------------------

  2929. 

  2930.     uint32_t getCustomURID(const char* const uri)

  2931.     {

  2932.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2933.         Q_ASSERT(uri);

  2934. 

  2935.         if (! uri)

  2936.             return CARLA_URI_MAP_ID_NULL;

  2937. 

  2938.         for (size_t i=0; i < customURIDs.size(); i++)

  2939.         {

  2940.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2941.                 return i;

  2942.         }

  2943. 

  2944.         customURIDs.push_back(strdup(uri));

  2945. 

  2946.         return customURIDs.size()-1;

  2947.     }

  2948. 

  2949.     const char* getCustomURIString(const LV2_URID urid) const

  2950.     {

  2951.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2952.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2953. 

  2954.         if (urid == CARLA_URI_MAP_ID_NULL)

  2955.             return nullptr;

  2956.         if (urid < customURIDs.size())

  2957.             return customURIDs[urid];

  2958. 

  2959.         return nullptr;

  2960.     }

  2961. 

  2962.     // -------------------------------------------------------------------

  2963. 

  2964.     void handleTransferAtom(const int32_t portIndex, const LV2_Atom* const atom)

  2965.     {

  2966.         qDebug("Lv2Plugin::handleTransferAtom(%i, %p)", portIndex, atom);

  2967.         Q_ASSERT(portIndex >= 0);

  2968.         Q_ASSERT(atom);

  2969. 

  2970.         atomQueueIn.put(portIndex, atom);

  2971.     }

  2972. 

  2973.     void handleTransferEvent(const int32_t portIndex, const LV2_Atom* const atom)

  2974.     {

  2975.         qDebug("Lv2Plugin::handleTransferEvent(%i, %p)", portIndex, atom);

  2976.         Q_ASSERT(portIndex >= 0);

  2977.         Q_ASSERT(atom);

  2978. 

  2979.         atomQueueIn.put(portIndex, atom);

  2980.     }

  2981. 

  2982.     // -------------------------------------------------------------------

  2983. 

  2984.     void handleProgramChanged(const int32_t index)

  2985.     {

  2986.         if (index == -1)

  2987.         {

  2988.             const CarlaPlugin::ScopedDisabler m(this);

  2989.             reloadPrograms(false);

  2990.         }

  2991.         else

  2992.         {

  2993.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2994.             {

  2995.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2996.                 Q_ASSERT(progName);

  2997. 

  2998.                 if (prog.names[index])

  2999.                     free((void*)prog.names[index]);

  3000. 

  3001.                 prog.names[index] = strdup(progName);

  3002.             }

  3003.         }

  3004. 

  3005.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  3006.     }

  3007. 

  3008.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  3009.     {

  3010.         Q_ASSERT(key > 0);

  3011.         Q_ASSERT(value);

  3012. 

  3013.         CustomDataType dtype;

  3014.         const char* const uriKey = getCustomURIString(key);

  3015. 

  3016.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3017.             dtype = CUSTOM_DATA_CHUNK;

  3018.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  3019.             dtype = CUSTOM_DATA_PATH;

  3020.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  3021.             dtype = CUSTOM_DATA_STRING;

  3022.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  3023.             dtype = CUSTOM_DATA_BINARY;

  3024.         else

  3025.             dtype = CUSTOM_DATA_INVALID;

  3026. 

  3027.         // do basic checks

  3028.         if (! uriKey)

  3029.         {

  3030.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  3031.             return LV2_STATE_ERR_NO_PROPERTY;

  3032.         }

  3033. 

  3034.         if (! flags & LV2_STATE_IS_POD)

  3035.         {

  3036.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  3037.             return LV2_STATE_ERR_BAD_FLAGS;

  3038.         }

  3039. 

  3040.         if (dtype == CUSTOM_DATA_INVALID)

  3041.         {

  3042.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  3043.             return LV2_STATE_ERR_BAD_TYPE;

  3044.         }

  3045. 

  3046.         // Check if we already have this key

  3047.         for (size_t i=0; i < custom.size(); i++)

  3048.         {

  3049.             if (strcmp(custom[i].key, uriKey) == 0)

  3050.             {

  3051.                 free((void*)custom[i].value);

  3052. 

  3053.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3054.                     custom[i].value = strdup((const char*)value);

  3055.                 else

  3056.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3057. 

  3058.                 return LV2_STATE_SUCCESS;

  3059.             }

  3060.         }

  3061. 

  3062.         // Otherwise store it

  3063.         CustomData newData;

  3064.         newData.type = dtype;

  3065.         newData.key  = strdup(uriKey);

  3066. 

  3067.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3068.             newData.value = strdup((const char*)value);

  3069.         else

  3070.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3071. 

  3072.         custom.push_back(newData);

  3073. 

  3074.         return LV2_STATE_SUCCESS;

  3075.     }

  3076. 

  3077.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  3078.     {

  3079.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  3080. 

  3081.         const char* const uriKey = getCustomURIString(key);

  3082. 

  3083.         if (! uriKey)

  3084.         {

  3085.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  3086.             return nullptr;

  3087.         }

  3088. 

  3089.         const char* stringData = nullptr;

  3090.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  3091. 

  3092.         for (size_t i=0; i < custom.size(); i++)

  3093.         {

  3094.             if (strcmp(custom[i].key, uriKey) == 0)

  3095.             {

  3096.                 dtype      = custom[i].type;

  3097.                 stringData = custom[i].value;

  3098.                 break;

  3099.             }

  3100.         }

  3101. 

  3102.         if (! stringData)

  3103.         {

  3104.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  3105.             return nullptr;

  3106.         }

  3107. 

  3108.         *size  = 0;

  3109.         *type  = 0;

  3110.         *flags = LV2_STATE_IS_POD;

  3111. 

  3112.         if (dtype == CUSTOM_DATA_STRING)

  3113.         {

  3114.             *size = strlen(stringData);

  3115.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  3116.             return stringData;

  3117.         }

  3118.         if (dtype == CUSTOM_DATA_PATH)

  3119.         {

  3120.             *size = strlen(stringData);

  3121.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  3122.             return stringData;

  3123.         }

  3124.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  3125.         {

  3126.             static QByteArray chunk;

  3127.             chunk = QByteArray::fromBase64(stringData);

  3128. 

  3129.             *size = chunk.size();

  3130.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  3131.             return chunk.constData();

  3132.         }

  3133. 

  3134.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  3135.         return nullptr;

  3136.     }

  3137. 

  3138.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  3139.     {

  3140.         if (! ext.worker)

  3141.         {

  3142.             qWarning("Lv2Plugin::handleWorkerSchedule(%i, %p) - plugin has no worker", size, data);

  3143.             return LV2_WORKER_ERR_UNKNOWN;

  3144.         }

  3145. 

  3146.         if (x_engine->isOffline())

  3147.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  3148.         else

  3149.             postponeEvent(PluginPostEventCustom, size, 0, 0.0, data);

  3150. 

  3151.         return LV2_WORKER_SUCCESS;

  3152.     }

  3153. 

  3154.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  3155.     {

  3156.         LV2_Atom_Worker workerAtom;

  3157.         workerAtom.atom.type = CARLA_URI_MAP_ID_ATOM_WORKER;

  3158.         workerAtom.atom.size = sizeof(LV2_Atom_Worker_Body);

  3159.         workerAtom.body.size = size;

  3160.         workerAtom.body.data = data;

  3161. 

  3162.         atomQueueIn.put(0, (const LV2_Atom*)&workerAtom);

  3163. 

  3164.         return LV2_WORKER_SUCCESS;

  3165.     }

  3166. 

  3167.     void handleExternalUiClosed()

  3168.     {

  3169.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3170.             ui.descriptor->cleanup(ui.handle);

  3171. 

  3172.         ui.handle = nullptr;

  3173.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3174.     }

  3175. 

  3176.     uint32_t handleUiPortMap(const char* const symbol)

  3177.     {

  3178.         Q_ASSERT(symbol);

  3179. 

  3180.         if (! symbol)

  3181.             return LV2UI_INVALID_PORT_INDEX;

  3182. 

  3183.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3184.         {

  3185.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3186.                 return i;

  3187.         }

  3188. 

  3189.         return LV2UI_INVALID_PORT_INDEX;

  3190.     }

  3191. 

  3192.     int handleUiResize(const int width, const int height)

  3193.     {

  3194.         Q_ASSERT(width > 0);

  3195.         Q_ASSERT(height > 0);

  3196. 

  3197.         if (width <= 0 || height <= 0)

  3198.             return 1;

  3199. 

  3200.         gui.width  = width;

  3201.         gui.height = height;

  3202.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3203. 

  3204.         return 0;

  3205.     }

  3206. 

  3207.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3208.     {

  3209.         if (format == 0)

  3210.         {

  3211.             Q_ASSERT(buffer);

  3212.             Q_ASSERT(bufferSize == sizeof(float));

  3213. 

  3214.             if (bufferSize != sizeof(float))

  3215.                 return;

  3216. 

  3217.             float value = *(float*)buffer;

  3218. 

  3219.             for (uint32_t i=0; i < param.count; i++)

  3220.             {

  3221.                 if (param.data[i].rindex == (int32_t)rindex)

  3222.                     return setParameterValue(i, value, false, true, true);

  3223.             }

  3224.         }

  3225.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3226.         {

  3227.             Q_ASSERT(buffer);

  3228. 

  3229.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3230.             handleTransferAtom(rindex, atom);

  3231.         }

  3232.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3233.         {

  3234.             Q_ASSERT(buffer);

  3235. 

  3236.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3237.             handleTransferEvent(rindex, atom);

  3238.         }

  3239.     }

  3240. 

  3241.     // -------------------------------------------------------------------

  3242. 

  3243. #ifndef BUILD_BRIDGE

  3244.     bool isUiBridgeable(const uint32_t uiId)

  3245.     {

  3246.         Q_ASSERT(rdf_descriptor);

  3247.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3248. 

  3249.         if (uiId >= rdf_descriptor->UICount)

  3250.             return false;

  3251. 

  3252.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3253. 

  3254.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3255.         {

  3256.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3257.                 return false;

  3258.         }

  3259. 

  3260.         return true;

  3261.     }

  3262. #endif

  3263. 

  3264.     bool isUiResizable()

  3265.     {

  3266.         Q_ASSERT(ui.rdf_descriptor);

  3267. 

  3268.         if (! ui.rdf_descriptor)

  3269.             return false;

  3270. 

  3271.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3272.         {

  3273.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3274.                 return false;

  3275.         }

  3276. 

  3277.         return true;

  3278.     }

  3279. 

  3280.     void initExternalUi()

  3281.     {

  3282.         qDebug("Lv2Plugin::initExternalUi()");

  3283. 

  3284.         ui.widget = nullptr;

  3285.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3286. 

  3287.         if (ui.handle && ui.widget)

  3288.         {

  3289.             updateUi();

  3290.         }

  3291.         else

  3292.         {

  3293.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3294.             ui.handle = nullptr;

  3295.             ui.widget = nullptr;

  3296.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3297.         }

  3298.     }

  3299. 

  3300.     void uiTransferCustomData(const CustomData* const cdata)

  3301.     {

  3302.         if (cdata->type == CUSTOM_DATA_INVALID || ! (ui.handle && ui.descriptor && ui.descriptor->port_event))

  3303.             return;

  3304. 

  3305.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3306.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3307.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3308. 

  3309.         Sratom* const sratom = sratom_new(URID_Map);

  3310.         SerdChunk     chunk  = { nullptr, 0 };

  3311. 

  3312.         LV2_Atom_Forge forge;

  3313.         lv2_atom_forge_init(&forge, URID_Map);

  3314.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3315. 

  3316.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3317.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3318. 

  3319.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3320.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3321. 

  3322.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3323. 

  3324.         if (cdata->type == CUSTOM_DATA_STRING)

  3325.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3326.         else if (cdata->type == CUSTOM_DATA_PATH)

  3327.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3328.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3329.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3330.         else

  3331.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3332. 

  3333.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3334.         lv2_atom_forge_pop(&forge, &refFrame);

  3335. 

  3336.         uint32_t portIndex = evIn.count > 0 ? evIn.data[0].rindex : 0;

  3337. 

  3338.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3339.         ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3340. 

  3341.         free((void*)chunk.buf);

  3342.         sratom_free(sratom);

  3343.     }

  3344. 

  3345.     void updateUi()

  3346.     {

  3347.         ext.uiprograms = nullptr;

  3348. 

  3349.         if (ui.handle && ui.descriptor)

  3350.         {

  3351.             if (ui.descriptor->extension_data)

  3352.             {

  3353.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3354. 

  3355.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3356.                     // invalid

  3357.                     ext.uiprograms = nullptr;

  3358. 

  3359.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3360.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3361.             }

  3362. 

  3363.             if (ui.descriptor->port_event)

  3364.             {

  3365.                 // update control ports

  3366.                 float valueF;

  3367.                 for (uint32_t i=0; i < param.count; i++)

  3368.                 {

  3369.                     valueF = getParameterValue(i);

  3370.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), CARLA_URI_MAP_ID_NULL, &valueF);

  3371.                 }

  3372.             }

  3373.         }

  3374.     }

  3375. 

  3376.     // ----------------- Event Feature ---------------------------------------------------

  3377. 

  3378.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3379.     {

  3380.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3381.         Q_ASSERT(callback_data);

  3382.         Q_ASSERT(event);

  3383. 

  3384.         return 0;

  3385.     }

  3386. 

  3387.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3388.     {

  3389.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3390.         Q_ASSERT(callback_data);

  3391.         Q_ASSERT(event);

  3392. 

  3393.         return 0;

  3394.     }

  3395. 

  3396.     // ----------------- Logs Feature ----------------------------------------------------

  3397. 

  3398.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3399.     {

  3400.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3401.         Q_ASSERT(handle);

  3402.         Q_ASSERT(type > 0);

  3403. 

  3404. #ifndef DEBUG

  3405.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3406.             return 0;

  3407. #endif

  3408. 

  3409.         va_list args;

  3410.         va_start(args, fmt);

  3411.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3412.         va_end(args);

  3413. 

  3414.         return ret;

  3415.     }

  3416. 

  3417.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3418.     {

  3419.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3420.         Q_ASSERT(handle);

  3421.         Q_ASSERT(type > 0);

  3422. 

  3423. #ifndef DEBUG

  3424.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3425.             return 0;

  3426. #endif

  3427. 

  3428.         char buf[8196];

  3429.         vsprintf(buf, fmt, ap);

  3430. 

  3431.         if (*buf == 0)

  3432.             return 0;

  3433. 

  3434.         switch (type)

  3435.         {

  3436.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3437.             qCritical("%s", buf);

  3438.             break;

  3439.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3440.             printf("%s\n", buf);

  3441.             break;

  3442.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3443.             qDebug("%s", buf);

  3444.             break;

  3445.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3446.             qWarning("%s", buf);

  3447.             break;

  3448.         default:

  3449.             break;

  3450.         }

  3451. 

  3452.         return strlen(buf);

  3453.     }

  3454. 

  3455.     // ----------------- Programs Feature ------------------------------------------------

  3456. 

  3457.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3458.     {

  3459.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3460.         Q_ASSERT(handle);

  3461. 

  3462.         if (! handle)

  3463.             return;

  3464. 

  3465.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3466.         plugin->handleProgramChanged(index);

  3467.     }

  3468. 

  3469.     // ----------------- State Feature ---------------------------------------------------

  3470. 

  3471.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3472.     {

  3473.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3474.         Q_ASSERT(handle);

  3475.         Q_ASSERT(path);

  3476. 

  3477.         if (! path)

  3478.             return nullptr;

  3479. 

  3480.         QDir dir;

  3481.         dir.mkpath(path);

  3482.         return strdup(path);

  3483.     }

  3484. 

  3485.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3486.     {

  3487.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3488.         Q_ASSERT(handle);

  3489.         Q_ASSERT(absolute_path);

  3490. 

  3491.         if (! absolute_path)

  3492.             return nullptr;

  3493. 

  3494.         QDir dir(absolute_path);

  3495.         return strdup(dir.canonicalPath().toUtf8().constData());

  3496.     }

  3497. 

  3498.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3499.     {

  3500.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3501.         Q_ASSERT(handle);

  3502.         Q_ASSERT(abstract_path);

  3503. 

  3504.         if (! abstract_path)

  3505.             return nullptr;

  3506. 

  3507.         QDir dir(abstract_path);

  3508.         return strdup(dir.absolutePath().toUtf8().constData());

  3509.     }

  3510. 

  3511.     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)

  3512.     {

  3513.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3514.         Q_ASSERT(handle);

  3515. 

  3516.         if (! handle)

  3517.             return LV2_STATE_ERR_UNKNOWN;

  3518. 

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

  3520.         return plugin->handleStateStore(key, value, size, type, flags);

  3521.     }

  3522. 

  3523.     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)

  3524.     {

  3525.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3526.         Q_ASSERT(handle);

  3527. 

  3528.         if (! handle)

  3529.             return nullptr;

  3530. 

  3531.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3532.         return plugin->handleStateRetrieve(key, size, type, flags);

  3533.     }

  3534. 

  3535.     // ----------------- URI-Map Feature -------------------------------------------------

  3536. 

  3537.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3538.     {

  3539.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3540.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3541.     }

  3542. 

  3543.     // ----------------- URID Feature ----------------------------------------------------

  3544. 

  3545.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3546.     {

  3547.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3548.         Q_ASSERT(handle);

  3549.         Q_ASSERT(uri);

  3550. 

  3551.         if (! uri)

  3552.             return CARLA_URI_MAP_ID_NULL;

  3553. 

  3554.         // Atom types

  3555.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3556.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3557.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3558.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3559.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3560.             return CARLA_URI_MAP_ID_ATOM_INT;

  3561.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3562.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3563.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3564.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3565.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3566.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3567.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3568.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3569.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3570.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3571. 

  3572.         // BufSize types

  3573.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3574.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3575.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3576.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3577.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3578.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3579. 

  3580.         // Log types

  3581.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3582.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3583.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3584.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3585.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3586.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3587.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3588.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3589. 

  3590.         // Others

  3591.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3592.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3593.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3594.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3595. 

  3596.         if (! handle)

  3597.             return CARLA_URI_MAP_ID_NULL;

  3598. 

  3599.         // Custom types

  3600.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3601.         return plugin->getCustomURID(uri);

  3602.     }

  3603. 

  3604.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3605.     {

  3606.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3607.         Q_ASSERT(handle);

  3608.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3609. 

  3610.         if (urid == CARLA_URI_MAP_ID_NULL)

  3611.             return nullptr;

  3612. 

  3613.         // Atom types

  3614.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3615.             return LV2_ATOM__Chunk;

  3616.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3617.             return LV2_ATOM__Double;

  3618.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3619.             return LV2_ATOM__Int;

  3620.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3621.             return LV2_ATOM__Path;

  3622.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3623.             return LV2_ATOM__Sequence;

  3624.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3625.             return LV2_ATOM__String;

  3626.         if (urid == CARLA_URI_MAP_ID_ATOM_WORKER)

  3627.             return nullptr; // not a valid URID, only used internally

  3628.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3629.             return LV2_ATOM__atomTransfer;

  3630.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3631.             return LV2_ATOM__eventTransfer;

  3632. 

  3633.         // BufSize types

  3634.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3635.             return LV2_BUF_SIZE__maxBlockLength;

  3636.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3637.             return LV2_BUF_SIZE__minBlockLength;

  3638.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3639.             return LV2_BUF_SIZE__sequenceSize;

  3640. 

  3641.         // Log types

  3642.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3643.             return LV2_LOG__Error;

  3644.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3645.             return LV2_LOG__Note;

  3646.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3647.             return LV2_LOG__Trace;

  3648.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3649.             return LV2_LOG__Warning;

  3650. 

  3651.         // Others

  3652.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3653.             return LV2_MIDI__MidiEvent;

  3654.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3655.             return LV2_PARAMETERS__sampleRate;

  3656. 

  3657.         if (! handle)

  3658.             return nullptr;

  3659. 

  3660.         // Custom types

  3661.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3662.         return plugin->getCustomURIString(urid);

  3663.     }

  3664. 

  3665.     // ----------------- Worker Feature --------------------------------------------------

  3666. 

  3667.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3668.     {

  3669.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3670.         Q_ASSERT(handle);

  3671. 

  3672.         if (! handle)

  3673.             return LV2_WORKER_ERR_UNKNOWN;

  3674. 

  3675.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3676.         return plugin->handleWorkerSchedule(size, data);

  3677.     }

  3678. 

  3679.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3680.     {

  3681.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3682.         Q_ASSERT(handle);

  3683. 

  3684.         if (! handle)

  3685.             return LV2_WORKER_ERR_UNKNOWN;

  3686. 

  3687.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3688.         return plugin->handleWorkerRespond(size, data);

  3689.     }

  3690. 

  3691.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3692. 

  3693.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3694.     {

  3695.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3696.         Q_ASSERT(handle);

  3697. 

  3698.         if (! handle)

  3699.             return LV2UI_INVALID_PORT_INDEX;

  3700. 

  3701.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3702.         return plugin->handleUiPortMap(symbol);

  3703.     }

  3704. 

  3705.     // ----------------- UI Resize Feature -----------------------------------------------

  3706. 

  3707.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3708.     {

  3709.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3710.         Q_ASSERT(handle);

  3711. 

  3712.         if (! handle)

  3713.             return 1;

  3714. 

  3715.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3716.         return plugin->handleUiResize(width, height);

  3717.     }

  3718. 

  3719.     // ----------------- External UI Feature ---------------------------------------------

  3720. 

  3721.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3722.     {

  3723.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3724.         Q_ASSERT(controller);

  3725. 

  3726.         if (! controller)

  3727.             return;

  3728. 

  3729.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3730.         plugin->handleExternalUiClosed();

  3731.     }

  3732. 

  3733.     // ----------------- UI Extension ----------------------------------------------------

  3734. 

  3735.     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)

  3736.     {

  3737.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3738.         Q_ASSERT(controller);

  3739. 

  3740.         if (! controller)

  3741.             return;

  3742. 

  3743.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3744.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3745.     }

  3746. 

  3747.     // -------------------------------------------------------------------

  3748. 

  3749.     bool uiLibOpen(const char* const filename)

  3750.     {

  3751.         ui.lib = lib_open(filename);

  3752.         return bool(ui.lib);

  3753.     }

  3754. 

  3755.     bool uiLibClose()

  3756.     {

  3757.         if (ui.lib)

  3758.             return lib_close(ui.lib);

  3759.         return false;

  3760.     }

  3761. 

  3762.     void* uiLibSymbol(const char* const symbol)

  3763.     {

  3764.         if (ui.lib)

  3765.             return lib_symbol(ui.lib, symbol);

  3766.         return nullptr;

  3767.     }

  3768. 

  3769.     // -------------------------------------------------------------------

  3770. 

  3771.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3772.     {

  3773.         // ---------------------------------------------------------------

  3774.         // get plugin from lv2_rdf (lilv)

  3775. 

  3776.         rdf_descriptor = lv2_rdf_new(URI);

  3777. 

  3778.         if (! rdf_descriptor)

  3779.         {

  3780.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3781.             return false;

  3782.         }

  3783. 

  3784.         // ---------------------------------------------------------------

  3785.         // open DLL

  3786. 

  3787.         if (! libOpen(rdf_descriptor->Binary))

  3788.         {

  3789.             setLastError(libError(rdf_descriptor->Binary));

  3790.             return false;

  3791.         }

  3792. 

  3793.         // ---------------------------------------------------------------

  3794.         // get DLL main entry

  3795. 

  3796.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3797. 

  3798.         if (! descFn)

  3799.         {

  3800.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3801.             return false;

  3802.         }

  3803. 

  3804.         // ---------------------------------------------------------------

  3805.         // get descriptor that matches URI

  3806. 

  3807.         uint32_t i = 0;

  3808.         while ((descriptor = descFn(i++)))

  3809.         {

  3810.             if (strcmp(descriptor->URI, URI) == 0)

  3811.                 break;

  3812.         }

  3813. 

  3814.         if (! descriptor)

  3815.         {

  3816.             setLastError("Could not find the requested plugin URI in the plugin library");

  3817.             return false;

  3818.         }

  3819. 

  3820.         // ---------------------------------------------------------------

  3821.         // check supported port-types and features

  3822. 

  3823.         bool canContinue = true;

  3824. 

  3825.         // Check supported ports

  3826.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3827.         {

  3828.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3829.             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)))

  3830.             {

  3831.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3832.                 {

  3833.                     setLastError("Plugin requires a port that is not currently supported");

  3834.                     canContinue = false;

  3835.                     break;

  3836.                 }

  3837.             }

  3838.         }

  3839. 

  3840.         // Check supported features

  3841.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3842.         {

  3843.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3844.             {

  3845.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3846.                 setLastError(msg.toUtf8().constData());

  3847.                 canContinue = false;

  3848.                 break;

  3849.             }

  3850.         }

  3851. 

  3852.         // Check extensions

  3853.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3854.         {

  3855.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3856.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3857.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3858.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3859.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3860.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3861.             else

  3862.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3863.         }

  3864. 

  3865.         if (! canContinue)

  3866.         {

  3867.             // error already set

  3868.             return false;

  3869.         }

  3870. 

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

  3872.         // initialize features

  3873. 

  3874.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3875.         eventFt->callback_data           = this;

  3876.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3877.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3878. 

  3879.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3880.         logFt->handle                    = this;

  3881.         logFt->printf                    = carla_lv2_log_printf;

  3882.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3883. 

  3884.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3885.         programsFt->handle                         = this;

  3886.         programsFt->program_changed                = carla_lv2_program_changed;

  3887. 

  3888.         LV2_RtMemPool_Pool* const rtMemPoolFt      = new LV2_RtMemPool_Pool;

  3889.         rtmempool_allocator_init(rtMemPoolFt);

  3890. 

  3891.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3892.         stateMakePathFt->handle                    = this;

  3893.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3894. 

  3895.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3896.         stateMapPathFt->handle                     = this;

  3897.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3898.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3899. 

  3900.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3901.         uriMapFt->callback_data             = this;

  3902.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3903. 

  3904.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3905.         uridMapFt->handle                   = this;

  3906.         uridMapFt->map                      = carla_lv2_urid_map;

  3907. 

  3908.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3909.         uridUnmapFt->handle                 = this;

  3910.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3911. 

  3912.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3913.         workerFt->handle                    = this;

  3914.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3915. 

  3916.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3917.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3918.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3919.         optionsFt[2] = lv2Options.oSequenceSize;

  3920.         optionsFt[3] = lv2Options.oSampleRate;

  3921.         optionsFt[4] = lv2Options.oNull;

  3922. 

  3923.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3924.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3925.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3926. 

  3927. #ifndef BUILD_BRIDGE

  3928.         if (carlaOptions.processHighPrecision)

  3929.         {

  3930.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3931.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3932.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3933. 

  3934.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3935.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3936.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3937.         }

  3938.         else

  3939. #endif

  3940.         {

  3941.             // fake, used to keep a valid array

  3942.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3943.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3944.         }

  3945. 

  3946.         features[lv2_feature_id_event]          = new LV2_Feature;

  3947.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3948.         features[lv2_feature_id_event]->data    = eventFt;

  3949. 

  3950.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3951.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3952.         features[lv2_feature_id_logs]->data     = logFt;

  3953. 

  3954.         features[lv2_feature_id_options]        = new LV2_Feature;

  3955.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3956.         features[lv2_feature_id_options]->data  = optionsFt;

  3957. 

  3958.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3959.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3960.         features[lv2_feature_id_programs]->data = programsFt;

  3961. 

  3962.         features[lv2_feature_id_rtmempool]       = new LV2_Feature;

  3963.         features[lv2_feature_id_rtmempool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  3964.         features[lv2_feature_id_rtmempool]->data = rtMemPoolFt;

  3965. 

  3966.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3967.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3968.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3969. 

  3970.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3971.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3972.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3973. 

  3974.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3975.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3976.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3977. 

  3978.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3979.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3980.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3981. 

  3982.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3983.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3984.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3985. 

  3986.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3987.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3988.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3989. 

  3990.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3991.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3992.         features[lv2_feature_id_worker]->data     = workerFt;

  3993. 

  3994.         // ---------------------------------------------------------------

  3995.         // initialize plugin

  3996. 

  3997.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  3998. 

  3999.         if (! handle)

  4000.         {

  4001.             setLastError("Plugin failed to initialize");

  4002.             return false;

  4003.         }

  4004. 

  4005.         // ---------------------------------------------------------------

  4006.         // get info

  4007. 

  4008.         m_filename = strdup(bundle);

  4009. 

  4010.         if (name)

  4011.             m_name = x_engine->getUniqueName(name);

  4012.         else

  4013.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  4014. 

  4015.         // ---------------------------------------------------------------

  4016.         // register client

  4017. 

  4018.         x_client = x_engine->addClient(this);

  4019. 

  4020.         if (! x_client->isOk())

  4021.         {

  4022.             setLastError("Failed to register plugin client");

  4023.             return false;

  4024.         }

  4025. 

  4026.         // ---------------------------------------------------------------

  4027.         // gui stuff

  4028. 

  4029.         if (rdf_descriptor->UICount == 0)

  4030.             return true;

  4031. 

  4032.         // -----------------------------------------------------------

  4033.         // find more appropriate ui

  4034. 

  4035.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  4036.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  4037. 

  4038.         for (i=0; i < rdf_descriptor->UICount; i++)

  4039.         {

  4040.             switch (rdf_descriptor->UIs[i].Type)

  4041.             {

  4042.             case LV2_UI_QT4:

  4043. #ifndef BUILD_BRIDGE

  4044.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4045.                     eQt4 = i;

  4046. #endif

  4047.                 iQt4 = i;

  4048.                 break;

  4049. 

  4050.             case LV2_UI_COCOA:

  4051. #ifndef BUILD_BRIDGE

  4052.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4053.                     eCocoa = i;

  4054. #endif

  4055.                 iCocoa = i;

  4056.                 break;

  4057. 

  4058.             case LV2_UI_WINDOWS:

  4059. #ifndef BUILD_BRIDGE

  4060.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4061.                     eHWND = i;

  4062. #endif

  4063.                 iHWND = i;

  4064.                 break;

  4065. 

  4066.             case LV2_UI_X11:

  4067. #ifndef BUILD_BRIDGE

  4068.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4069.                     eX11 = i;

  4070. #endif

  4071.                 iX11 = i;

  4072.                 break;

  4073. 

  4074.             case LV2_UI_GTK2:

  4075. #ifdef BUILD_BRIDGE

  4076.                 if (false)

  4077. #else

  4078. #  ifdef HAVE_SUIL

  4079.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4080. #  else

  4081.                 if (isUiBridgeable(i))

  4082. #  endif

  4083. #endif

  4084.                     eGtk2 = i;

  4085. #ifdef HAVE_SUIL

  4086.                 iSuil = i;

  4087. #endif

  4088.                 break;

  4089. 

  4090. #ifndef BUILD_BRIDGE

  4091.             case LV2_UI_GTK3:

  4092.                 if (isUiBridgeable(i))

  4093.                     eGtk3 = i;

  4094.                 break;

  4095. #endif

  4096. 

  4097.             case LV2_UI_EXTERNAL:

  4098.             case LV2_UI_OLD_EXTERNAL:

  4099.                 iExt = i;

  4100.                 break;

  4101. 

  4102.             default:

  4103.                 break;

  4104.             }

  4105.         }

  4106. 

  4107.         if (eQt4 >= 0)

  4108.             iFinal = eQt4;

  4109.         else if (eCocoa >= 0)

  4110.             iFinal = eCocoa;

  4111.         else if (eHWND >= 0)

  4112.             iFinal = eHWND;

  4113.         else if (eX11 >= 0)

  4114.             iFinal = eX11;

  4115.         else if (eGtk2 >= 0)

  4116.             iFinal = eGtk2;

  4117.         else if (eGtk3 >= 0)

  4118.             iFinal = eGtk3;

  4119.         else if (iQt4 >= 0)

  4120.             iFinal = iQt4;

  4121.         else if (iCocoa >= 0)

  4122.             iFinal = iCocoa;

  4123.         else if (iHWND >= 0)

  4124.             iFinal = iHWND;

  4125.         else if (iX11 >= 0)

  4126.             iFinal = iX11;

  4127.         else if (iExt >= 0)

  4128.             iFinal = iExt;

  4129.         else if (iSuil >= 0)

  4130.             iFinal = iSuil;

  4131. 

  4132. #ifndef BUILD_BRIDGE

  4133.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  4134. #endif

  4135. #ifdef HAVE_SUIL

  4136.         const bool isSuil = (iFinal == iSuil && !isBridged);

  4137. #endif

  4138. 

  4139.         if (iFinal < 0)

  4140.         {

  4141.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  4142.             return true;

  4143.         }

  4144. 

  4145.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  4146. 

  4147.         // -----------------------------------------------------------

  4148.         // check supported ui features

  4149. 

  4150.         canContinue = true;

  4151. 

  4152.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  4153.         {

  4154.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4155.             {

  4156.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4157.                 canContinue = false;

  4158.                 break;

  4159.             }

  4160.         }

  4161. 

  4162.         if (! canContinue)

  4163.         {

  4164.             ui.rdf_descriptor = nullptr;

  4165.             return true;

  4166.         }

  4167. 

  4168. #ifdef HAVE_SUIL

  4169.         if (isSuil)

  4170.         {

  4171.             // -------------------------------------------------------

  4172.             // init suil host

  4173. 

  4174.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4175.         }

  4176.         else

  4177. #endif

  4178.         {

  4179.             // -------------------------------------------------------

  4180.             // open DLL

  4181. 

  4182.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4183.             {

  4184.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4185.                 ui.rdf_descriptor = nullptr;

  4186.                 return true;

  4187.             }

  4188. 

  4189.             // -------------------------------------------------------

  4190.             // get DLL main entry

  4191. 

  4192.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4193. 

  4194.             if (! ui_descFn)

  4195.             {

  4196.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4197.                 uiLibClose();

  4198.                 ui.lib = nullptr;

  4199.                 ui.rdf_descriptor = nullptr;

  4200.                 return true;

  4201.             }

  4202. 

  4203.             // -------------------------------------------------------

  4204.             // get descriptor that matches URI

  4205. 

  4206.             i = 0;

  4207.             while ((ui.descriptor = ui_descFn(i++)))

  4208.             {

  4209.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4210.                     break;

  4211.             }

  4212. 

  4213.             if (! ui.descriptor)

  4214.             {

  4215.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4216.                 uiLibClose();

  4217.                 ui.lib = nullptr;

  4218.                 ui.rdf_descriptor = nullptr;

  4219.                 return true;

  4220.             }

  4221.         }

  4222. 

  4223.         // -----------------------------------------------------------

  4224.         // initialize ui according to type

  4225. 

  4226.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4227. 

  4228. #ifndef BUILD_BRIDGE

  4229.         if (isBridged)

  4230.         {

  4231.             // -------------------------------------------------------

  4232.             // initialize ui bridge

  4233. 

  4234.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4235.             {

  4236.                 gui.type = GUI_EXTERNAL_OSC;

  4237.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4238.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4239.             }

  4240.         }

  4241.         else

  4242. #endif

  4243.         {

  4244.             // -------------------------------------------------------

  4245.             // initialize ui features

  4246. 

  4247.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4248. 

  4249.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4250.             uiDataFt->data_access                      = descriptor->extension_data;

  4251. 

  4252.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4253.             uiPortMapFt->handle               = this;

  4254.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4255. 

  4256.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4257.             uiResizeFt->handle                = this;

  4258.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4259. 

  4260.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4261.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4262.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4263. 

  4264.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4265.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4266.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4267. 

  4268.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4269.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4270.             features[lv2_feature_id_instance_access]->data = handle;

  4271. 

  4272.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4273.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4274.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4275. 

  4276.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4277.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4278.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4279. 

  4280.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4281.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4282.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4283. 

  4284.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4285.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4286.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4287. 

  4288.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4289.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4290.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4291. 

  4292.             // -------------------------------------------------------

  4293.             // initialize ui

  4294. 

  4295.             switch (uiType)

  4296.             {

  4297.             case LV2_UI_QT4:

  4298.                 qDebug("Will use LV2 Qt4 UI");

  4299.                 gui.type      = GUI_INTERNAL_QT4;

  4300.                 gui.resizable = isUiResizable();

  4301.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4302.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4303.                 break;

  4304. 

  4305.             case LV2_UI_COCOA:

  4306.                 qDebug("Will use LV2 Cocoa UI");

  4307.                 gui.type      = GUI_INTERNAL_COCOA;

  4308.                 gui.resizable = isUiResizable();

  4309.                 break;

  4310. 

  4311.             case LV2_UI_WINDOWS:

  4312.                 qDebug("Will use LV2 Windows UI");

  4313.                 gui.type      = GUI_INTERNAL_HWND;

  4314.                 gui.resizable = isUiResizable();

  4315.                 break;

  4316. 

  4317.             case LV2_UI_X11:

  4318.                 qDebug("Will use LV2 X11 UI");

  4319.                 gui.type      = GUI_INTERNAL_X11;

  4320.                 gui.resizable = isUiResizable();

  4321.                 break;

  4322. 

  4323.             case LV2_UI_GTK2:

  4324. #ifdef HAVE_SUIL

  4325.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4326.                 gui.type      = GUI_EXTERNAL_SUIL;

  4327.                 gui.resizable = isUiResizable();

  4328.                 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);

  4329.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4330. 

  4331.                 if (suil.handle)

  4332.                 {

  4333.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4334.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4335.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4336. 

  4337.                     if (ui.widget)

  4338.                     {

  4339.                         QWidget* const widget = (QWidget*)ui.widget;

  4340.                         widget->setWindowTitle(guiTitle);

  4341.                     }

  4342.                 }

  4343. #else

  4344.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4345. #endif

  4346.                 break;

  4347. 

  4348.             case LV2_UI_GTK3:

  4349.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4350.                 break;

  4351. 

  4352.             case LV2_UI_EXTERNAL:

  4353.             case LV2_UI_OLD_EXTERNAL:

  4354.                 qDebug("Will use LV2 External UI");

  4355.                 gui.type = GUI_EXTERNAL_LV2;

  4356.                 break;

  4357.             }

  4358.         }

  4359. 

  4360.         if (gui.type != GUI_NONE)

  4361.             m_hints |= PLUGIN_HAS_GUI;

  4362. 

  4363.         return true;

  4364.     }

  4365. 

  4366. private:

  4367.     LV2_Handle handle, h2;

  4368.     const LV2_Descriptor* descriptor;

  4369.     const LV2_RDF_Descriptor* rdf_descriptor;

  4370.     LV2_Feature* features[lv2_feature_count+1];

  4371. 

  4372.     struct {

  4373.         const LV2_State_Interface* state;

  4374.         const LV2_Worker_Interface* worker;

  4375.         const LV2_Programs_Interface* programs;

  4376.         const LV2_Programs_UI_Interface* uiprograms;

  4377.     } ext;

  4378. 

  4379.     struct {

  4380.         void* lib;

  4381.         LV2UI_Handle handle;

  4382.         LV2UI_Widget widget;

  4383.         const LV2UI_Descriptor* descriptor;

  4384.         const LV2_RDF_UI* rdf_descriptor;

  4385.     } ui;

  4386. 

  4387.     struct {

  4388.         GuiType type;

  4389.         bool resizable;

  4390.         int width;

  4391.         int height;

  4392.     } gui;

  4393. 

  4394. #ifdef HAVE_SUIL

  4395.     struct {

  4396.         SuilHost* host;

  4397.         SuilInstance* handle;

  4398.         QByteArray pos;

  4399.     } suil;

  4400. #endif

  4401. 

  4402.     Lv2AtomQueue atomQueueIn;

  4403.     Lv2AtomQueue atomQueueOut;

  4404.     Lv2PluginEventData evIn;

  4405.     Lv2PluginEventData evOut;

  4406.     float* paramBuffers;

  4407.     std::vector<const char*> customURIDs;

  4408. 

  4409.     bool     lastTimePosPlaying;

  4410.     uint32_t lastTimePosFrame;

  4411. };

  4412. 

  4413. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4414. {

  4415.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4416. 

  4417.     short id = init.engine->getNewPluginId();

  4418. 

  4419.     if (id < 0 || id > CarlaEngine::maxPluginNumber())

  4420.     {

  4421.         setLastError("Maximum number of plugins reached");

  4422.         return nullptr;

  4423.     }

  4424. 

  4425.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4426. 

  4427.     if (! plugin->init(init.filename, init.name, init.label))

  4428.     {

  4429.         delete plugin;

  4430.         return nullptr;

  4431.     }

  4432. 

  4433.     plugin->reload();

  4434. 

  4435. #ifndef BUILD_BRIDGE

  4436.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4437.     {

  4438.         const uint32_t ins  = plugin->audioInCount();

  4439.         const uint32_t outs = plugin->audioOutCount();

  4440. 

  4441.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4442.         {

  4443.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4444.             delete plugin;

  4445.             return nullptr;

  4446.         }

  4447.     }

  4448. #endif

  4449. 

  4450.     plugin->registerToOsc();

  4451.     plugin->updateUi();

  4452. 

  4453.     return plugin;

  4454. }

  4455. 

  4456. /**@}*/

  4457. 

  4458. // -------------------------------------------------------------------------------------------------------------------

  4459. 

  4460. int CarlaOsc::handle_lv2_atom_transfer(CARLA_OSC_HANDLE_ARGS2)

  4461. {

  4462.     qDebug("CarlaOsc::handle_lv2_atom_transfer()");

  4463.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4464. 

  4465.     const int32_t portIndex   = argv[0]->i;

  4466.     const char* const typeStr = (const char*)&argv[1]->s;

  4467.     const char* const atomBuf = (const char*)&argv[2]->s;

  4468. 

  4469.     QByteArray chunk;

  4470.     chunk = QByteArray::fromBase64(atomBuf);

  4471. 

  4472.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4473.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4474. 

  4475.     atom->type = lv2plugin->getCustomURID(typeStr);

  4476.     lv2plugin->handleTransferAtom(portIndex, atom);

  4477. 

  4478.     return 0;

  4479. }

  4480. 

  4481. int CarlaOsc::handle_lv2_event_transfer(CARLA_OSC_HANDLE_ARGS2)

  4482. {

  4483.     qDebug("CarlaOsc::handle_lv2_event_transfer()");

  4484.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4485. 

  4486.     const int32_t portIndex   = argv[0]->i;

  4487.     const char* const typeStr = (const char*)&argv[1]->s;

  4488.     const char* const atomBuf = (const char*)&argv[2]->s;

  4489. 

  4490.     QByteArray chunk;

  4491.     chunk = QByteArray::fromBase64(atomBuf);

  4492. 

  4493.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4494.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4495. 

  4496.     atom->type = lv2plugin->getCustomURID(typeStr);

  4497.     lv2plugin->handleTransferEvent(portIndex, atom);

  4498. 

  4499.     return 0;

  4500. }

  4501. 

  4502. CARLA_BACKEND_END_NAMESPACE