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Collection of tools useful for audio production
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Cadence/c++/carla-backend/lv2.cpp

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  1. /*

  2.  * Carla Backend

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

  4.  *

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

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

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

  8.  * any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "carla_plugin.h"

  19. 

  20. #ifdef WANT_LV2

  21. 

  22. #include "carla_lv2.h"

  23. 

  24. #include "lv2_atom_queue.h"

  25. #include "rtmempool/rtmempool.h"

  26. 

  27. #include <QtCore/QDir>

  28. #include <QtGui/QLayout>

  29. 

  30. #ifdef HAVE_SUIL

  31. #include <suil/suil.h>

  32. struct SuilInstanceImpl {

  33.     void*                   lib_handle;

  34.     const LV2UI_Descriptor* descriptor;

  35.     LV2UI_Handle            handle;

  36.     // ...

  37. };

  38. #endif

  39. 

  40. CARLA_BACKEND_START_NAMESPACE

  41. 

  42. /*!

  43.  * @defgroup CarlaBackendLv2Plugin Carla Backend LV2 Plugin

  44.  *

  45.  * The Carla Backend LV2 Plugin.\n

  46.  * http://lv2plug.in/

  47.  * @{

  48.  */

  49. 

  50. // static max values

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

  52. 

  53. /*!

  54.  * @defgroup PluginHints Plugin Hints

  55.  * @{

  56.  */

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

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

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

  60. /**@}*/

  61. 

  62. /*!

  63.  * @defgroup ParameterHints Parameter Hints

  64.  * @{

  65.  */

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

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

  68. /**@}*/

  69. 

  70. /*!

  71.  * @defgroup Lv2FeatureIds LV2 Feature Ids

  72.  *

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

  74.  * @{

  75.  */

  76. const uint32_t lv2_feature_id_bufsize_bounded  =  0;

  77. const uint32_t lv2_feature_id_bufsize_fixed    =  1;

  78. const uint32_t lv2_feature_id_bufsize_powerof2 =  2;

  79. const uint32_t lv2_feature_id_event            =  3;

  80. const uint32_t lv2_feature_id_logs             =  4;

  81. const uint32_t lv2_feature_id_options          =  5;

  82. const uint32_t lv2_feature_id_programs         =  6;

  83. const uint32_t lv2_feature_id_rtmempool        =  7;

  84. const uint32_t lv2_feature_id_state_make_path  =  8;

  85. const uint32_t lv2_feature_id_state_map_path   =  9;

  86. const uint32_t lv2_feature_id_strict_bounds    = 10;

  87. const uint32_t lv2_feature_id_uri_map          = 11;

  88. const uint32_t lv2_feature_id_urid_map         = 12;

  89. const uint32_t lv2_feature_id_urid_unmap       = 13;

  90. const uint32_t lv2_feature_id_worker           = 14;

  91. const uint32_t lv2_feature_id_data_access      = 15;

  92. const uint32_t lv2_feature_id_instance_access  = 16;

  93. const uint32_t lv2_feature_id_ui_parent        = 17;

  94. const uint32_t lv2_feature_id_ui_port_map      = 18;

  95. const uint32_t lv2_feature_id_ui_resize        = 19;

  96. const uint32_t lv2_feature_id_external_ui      = 20;

  97. const uint32_t lv2_feature_id_external_ui_old  = 21;

  98. const uint32_t lv2_feature_count               = 22;

  99. /**@}*/

  100. 

  101. /*!

  102.  * @defgroup Lv2EventTypes LV2 Event Data/Types

  103.  *

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

  105.  * @{

  106.  */

  107. const unsigned int CARLA_EVENT_DATA_ATOM      = 0x01;

  108. const unsigned int CARLA_EVENT_DATA_EVENT     = 0x02;

  109. const unsigned int CARLA_EVENT_DATA_MIDI_LL   = 0x04;

  110. const unsigned int CARLA_EVENT_TYPE_MESSAGE   = 0x10;

  111. const unsigned int CARLA_EVENT_TYPE_MIDI      = 0x20;

  112. /**@}*/

  113. 

  114. /*!

  115.  * @defgroup Lv2UriMapIds LV2 URI Map Ids

  116.  *

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

  118.  * @{

  119.  */

  120. const uint32_t CARLA_URI_MAP_ID_NULL                = 0;

  121. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK          = 1;

  122. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE         = 2;

  123. const uint32_t CARLA_URI_MAP_ID_ATOM_INT            = 3;

  124. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH           = 4;

  125. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE       = 5;

  126. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING         = 6;

  127. const uint32_t CARLA_URI_MAP_ID_ATOM_WORKER         = 7;

  128. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM  = 8;

  129. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT = 9;

  130. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH      = 10;

  131. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH      = 11;

  132. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE   = 12;

  133. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR           = 13;

  134. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE            = 14;

  135. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE           = 15;

  136. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING         = 16;

  137. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT          = 17;

  138. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE   = 18;

  139. const uint32_t CARLA_URI_MAP_ID_COUNT               = 19;

  140. /**@}*/

  141. 

  142. struct Lv2EventData {

  143.     uint32_t type;

  144.     uint32_t rindex;

  145.     CarlaEngineMidiPort* port;

  146.     union {

  147.         LV2_Atom_Sequence* atom;

  148.         LV2_Event_Buffer* event;

  149.         LV2_MIDI* midi;

  150.     };

  151. 

  152.     Lv2EventData()

  153.         : type(0),

  154.           rindex(0),

  155.           port(nullptr) {}

  156. };

  157. 

  158. struct Lv2PluginEventData {

  159.     uint32_t count;

  160.     Lv2EventData* data;

  161. 

  162.     Lv2PluginEventData()

  163.         : count(0),

  164.           data(nullptr) {}

  165. };

  166. 

  167. struct Lv2PluginOptions {

  168.     bool init;

  169.     uint32_t eventSize;

  170.     uint32_t bufferSize;

  171.     double   sampleRate;

  172.     LV2_Options_Option oNull;

  173.     LV2_Options_Option oMaxBlockLenth;

  174.     LV2_Options_Option oMinBlockLenth;

  175.     LV2_Options_Option oSequenceSize;

  176.     LV2_Options_Option oSampleRate;

  177. 

  178.     Lv2PluginOptions()

  179.         : init(false),

  180.           eventSize(MAX_EVENT_BUFFER),

  181.           bufferSize(0),

  182.           sampleRate(0.0) {}

  183. };

  184. 

  185. Lv2PluginOptions lv2Options;

  186. 

  187. const char* lv2bridge2str(const LV2_Property type)

  188. {

  189.     switch (type)

  190.     {

  191. #ifndef BUILD_BRIDGE

  192.     case LV2_UI_GTK2:

  193.         return carlaOptions.bridge_lv2gtk2;

  194.     case LV2_UI_GTK3:

  195.         return carlaOptions.bridge_lv2gtk3;

  196.     case LV2_UI_QT4:

  197.         return carlaOptions.bridge_lv2qt4;

  198.     case LV2_UI_COCOA:

  199.         return nullptr; //carlaOptions.bridge_lv2cocoa;

  200.     case LV2_UI_WINDOWS:

  201.         return nullptr; //carlaOptions.bridge_lv2hwnd;

  202.     case LV2_UI_X11:

  203.         return carlaOptions.bridge_lv2x11;

  204. #endif

  205.     default:

  206.         return nullptr;

  207.     }

  208. }

  209. 

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

  211. {

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

  213. }

  214. 

  215. class Lv2Plugin : public CarlaPlugin

  216. {

  217. public:

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

  219.         : CarlaPlugin(engine, id)

  220.     {

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

  222. 

  223.         m_type = PLUGIN_LV2;

  224. 

  225.         handle = h2 = nullptr;

  226.         descriptor  = nullptr;

  227.         rdf_descriptor = nullptr;

  228. 

  229.         ext.state      = nullptr;

  230.         ext.worker     = nullptr;

  231.         ext.programs   = nullptr;

  232.         ext.uiprograms = nullptr;

  233. 

  234.         ui.lib = nullptr;

  235.         ui.handle = nullptr;

  236.         ui.descriptor = nullptr;

  237.         ui.rdf_descriptor = nullptr;

  238. 

  239.         evIn.count = 0;

  240.         evIn.data  = nullptr;

  241. 

  242.         evOut.count = 0;

  243.         evOut.data  = nullptr;

  244. 

  245.         paramBuffers = nullptr;

  246. 

  247.         gui.type = GUI_NONE;

  248.         gui.resizable = false;

  249.         gui.width  = 0;

  250.         gui.height = 0;

  251. 

  252. #ifdef HAVE_SUIL

  253.         suil.handle = nullptr;

  254.         suil.host   = nullptr;

  255. #endif

  256. 

  257.         lastTimePosPlaying = false;

  258.         lastTimePosFrame   = 0;

  259. 

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

  261.             customURIDs.push_back(nullptr);

  262. 

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

  264.             features[i] = nullptr;

  265. 

  266.         if (! lv2Options.init)

  267.         {

  268.             lv2Options.init = true;

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

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

  271. 

  272.             lv2Options.oNull.key   = CARLA_URI_MAP_ID_NULL;

  273.             lv2Options.oNull.size  = 0;

  274.             lv2Options.oNull.type  = CARLA_URI_MAP_ID_NULL;

  275.             lv2Options.oNull.value = nullptr;

  276. 

  277.             lv2Options.oMaxBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

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

  279.             lv2Options.oMaxBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  281. 

  282.             lv2Options.oMinBlockLenth.key   = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

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

  284.             lv2Options.oMinBlockLenth.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  286. 

  287.             lv2Options.oSequenceSize.key   = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

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

  289.             lv2Options.oSequenceSize.type  = CARLA_URI_MAP_ID_ATOM_INT;

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

  291. 

  292.             lv2Options.oSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

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

  294.             lv2Options.oSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

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

  296.         }

  297. 

  298.         Lv2World.init();

  299.     }

  300. 

  301.     ~Lv2Plugin()

  302.     {

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

  304. 

  305.         // close UI

  306.         if (m_hints & PLUGIN_HAS_GUI)

  307.         {

  308.             showGui(false);

  309. 

  310.             switch (gui.type)

  311.             {

  312.             case GUI_NONE:

  313.             case GUI_INTERNAL_QT4:

  314.             case GUI_INTERNAL_COCOA:

  315.             case GUI_INTERNAL_HWND:

  316.             case GUI_INTERNAL_X11:

  317.             case GUI_EXTERNAL_LV2:

  318.                 break;

  319. 

  320.             case GUI_EXTERNAL_SUIL:

  321. #ifdef HAVE_SUIL

  322.                 if (ui.widget)

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

  324. #endif

  325.                 break;

  326. 

  327.             case GUI_EXTERNAL_OSC:

  328. #ifndef BUILD_BRIDGE

  329.                 if (osc.thread)

  330.                 {

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

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

  333.                     {

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

  335.                         osc.thread->terminate();

  336.                     }

  337. 

  338.                     delete osc.thread;

  339.                 }

  340. #endif

  341.                 break;

  342.             }

  343. 

  344. #ifdef HAVE_SUIL

  345.             if (suil.handle)

  346.             {

  347.                 suil_instance_free(suil.handle);

  348. 

  349.                 if (suil.host)

  350.                     suil_host_free(suil.host);

  351. 

  352.                 ui.handle = nullptr;

  353.                 ui.descriptor = nullptr;

  354.             }

  355. #endif

  356. 

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

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

  359. 

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

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

  362. 

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

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

  365. 

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

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

  368. 

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

  370.             {

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

  372. 

  373.                 if (uiHost->plugin_human_id)

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

  375. 

  376.                 delete uiHost;

  377.             }

  378. 

  379.             uiLibClose();

  380.         }

  381. 

  382.         if (descriptor)

  383.         {

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

  385.             {

  386.                 if (handle)

  387.                     descriptor->deactivate(handle);

  388.                 if (h2)

  389.                     descriptor->deactivate(h2);

  390.             }

  391. 

  392.             if (descriptor->cleanup)

  393.             {

  394.                 if (handle)

  395.                     descriptor->cleanup(handle);

  396.                 if (h2)

  397.                     descriptor->cleanup(h2);

  398.             }

  399.         }

  400. 

  401.         if (rdf_descriptor)

  402.             lv2_rdf_free(rdf_descriptor);

  403. 

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

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

  406. 

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

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

  409. 

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

  411.         {

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

  413.             delete[] options;

  414.         }

  415. 

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

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

  418. 

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

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

  421. 

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

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

  424. 

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

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

  427. 

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

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

  430. 

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

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

  433. 

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

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

  436. 

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

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

  439. 

  440. #ifndef BUILD_BRIDGE

  441.         if (! carlaOptions.processHighPrecision)

  442. #endif

  443.         {

  444.             features[lv2_feature_id_bufsize_fixed]    = nullptr;

  445.             features[lv2_feature_id_bufsize_powerof2] = nullptr;

  446.         }

  447. 

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

  449.         {

  450.             if (features[i])

  451.                 delete features[i];

  452.         }

  453. 

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

  455.         {

  456.             if (customURIDs[i])

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

  458.         }

  459. 

  460.         customURIDs.clear();

  461.     }

  462. 

  463.     // -------------------------------------------------------------------

  464.     // Information (base)

  465. 

  466.     PluginCategory category()

  467.     {

  468.         Q_ASSERT(rdf_descriptor);

  469. 

  470.         LV2_Property category = rdf_descriptor->Type;

  471. 

  472.         if (LV2_IS_DELAY(category))

  473.             return PLUGIN_CATEGORY_DELAY;

  474.         if (LV2_IS_DISTORTION(category))

  475.             return PLUGIN_CATEGORY_OTHER;

  476.         if (LV2_IS_DYNAMICS(category))

  477.             return PLUGIN_CATEGORY_DYNAMICS;

  478.         if (LV2_IS_EQ(category))

  479.             return PLUGIN_CATEGORY_EQ;

  480.         if (LV2_IS_FILTER(category))

  481.             return PLUGIN_CATEGORY_FILTER;

  482.         if (LV2_IS_GENERATOR(category))

  483.             return PLUGIN_CATEGORY_SYNTH;

  484.         if (LV2_IS_MODULATOR(category))

  485.             return PLUGIN_CATEGORY_MODULATOR;

  486.         if (LV2_IS_REVERB(category))

  487.             return PLUGIN_CATEGORY_DELAY;

  488.         if (LV2_IS_SIMULATOR(category))

  489.             return PLUGIN_CATEGORY_OTHER;

  490.         if (LV2_IS_SPATIAL(category))

  491.             return PLUGIN_CATEGORY_OTHER;

  492.         if (LV2_IS_SPECTRAL(category))

  493.             return PLUGIN_CATEGORY_UTILITY;

  494.         if (LV2_IS_UTILITY(category))

  495.             return PLUGIN_CATEGORY_UTILITY;

  496. 

  497.         return getPluginCategoryFromName(m_name);

  498.     }

  499. 

  500.     long uniqueId()

  501.     {

  502.         Q_ASSERT(rdf_descriptor);

  503. 

  504.         return rdf_descriptor->UniqueID;

  505.     }

  506. 

  507.     // -------------------------------------------------------------------

  508.     // Information (count)

  509. 

  510.     uint32_t midiInCount()

  511.     {

  512.         uint32_t i, count = 0;

  513. 

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

  515.         {

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

  517.                 count += 1;

  518.         }

  519. 

  520.         return count;

  521.     }

  522. 

  523.     uint32_t midiOutCount()

  524.     {

  525.         uint32_t i, count = 0;

  526. 

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

  528.         {

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

  530.                 count += 1;

  531.         }

  532. 

  533.         return count;

  534.     }

  535. 

  536.     uint32_t parameterScalePointCount(const uint32_t parameterId)

  537.     {

  538.         Q_ASSERT(parameterId < param.count);

  539.         Q_ASSERT(rdf_descriptor);

  540. 

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

  542. 

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

  544.         {

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

  546.             return port->ScalePointCount;

  547.         }

  548. 

  549.         return 0;

  550.     }

  551. 

  552.     // -------------------------------------------------------------------

  553.     // Information (per-plugin data)

  554. 

  555.     double getParameterValue(const uint32_t parameterId)

  556.     {

  557.         Q_ASSERT(parameterId < param.count);

  558. 

  559.         return paramBuffers[parameterId];

  560.     }

  561. 

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

  563.     {

  564.         Q_ASSERT(parameterId < param.count);

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

  566. 

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

  568. 

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

  570.         {

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

  572. 

  573.             if (scalePointId < port->ScalePointCount)

  574.             {

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

  576.                 return portScalePoint->Value;

  577.             }

  578.         }

  579. 

  580.         return 0.0;

  581.     }

  582. 

  583.     void getLabel(char* const strBuf)

  584.     {

  585.         Q_ASSERT(rdf_descriptor);

  586. 

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

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

  589.         else

  590.             CarlaPlugin::getLabel(strBuf);

  591.     }

  592. 

  593.     void getMaker(char* const strBuf)

  594.     {

  595.         Q_ASSERT(rdf_descriptor);

  596. 

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

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

  599.         else

  600.             CarlaPlugin::getMaker(strBuf);

  601.     }

  602. 

  603.     void getCopyright(char* const strBuf)

  604.     {

  605.         Q_ASSERT(rdf_descriptor);

  606. 

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

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

  609.         else

  610.             CarlaPlugin::getCopyright(strBuf);

  611.     }

  612. 

  613.     void getRealName(char* const strBuf)

  614.     {

  615.         Q_ASSERT(rdf_descriptor);

  616. 

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

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

  619.         else

  620.             CarlaPlugin::getRealName(strBuf);

  621.     }

  622. 

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

  624.     {

  625.         Q_ASSERT(rdf_descriptor);

  626.         Q_ASSERT(parameterId < param.count);

  627. 

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

  629. 

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

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

  632.         else

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

  634.     }

  635. 

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

  637.     {

  638.         Q_ASSERT(rdf_descriptor);

  639.         Q_ASSERT(parameterId < param.count);

  640. 

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

  642. 

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

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

  645.         else

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

  647.     }

  648. 

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

  650.     {

  651.         Q_ASSERT(rdf_descriptor);

  652.         Q_ASSERT(parameterId < param.count);

  653. 

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

  655. 

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

  657.         {

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

  659. 

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

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

  662. 

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

  664.             {

  665.                 switch (port->Unit.Type)

  666.                 {

  667.                 case LV2_UNIT_BAR:

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

  669.                     return;

  670.                 case LV2_UNIT_BEAT:

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

  672.                     return;

  673.                 case LV2_UNIT_BPM:

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

  675.                     return;

  676.                 case LV2_UNIT_CENT:

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

  678.                     return;

  679.                 case LV2_UNIT_CM:

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

  681.                     return;

  682.                 case LV2_UNIT_COEF:

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

  684.                     return;

  685.                 case LV2_UNIT_DB:

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

  687.                     return;

  688.                 case LV2_UNIT_DEGREE:

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

  690.                     return;

  691.                 case LV2_UNIT_FRAME:

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

  693.                     return;

  694.                 case LV2_UNIT_HZ:

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

  696.                     return;

  697.                 case LV2_UNIT_INCH:

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

  699.                     return;

  700.                 case LV2_UNIT_KHZ:

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

  702.                     return;

  703.                 case LV2_UNIT_KM:

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

  705.                     return;

  706.                 case LV2_UNIT_M:

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

  708.                     return;

  709.                 case LV2_UNIT_MHZ:

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

  711.                     return;

  712.                 case LV2_UNIT_MIDINOTE:

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

  714.                     return;

  715.                 case LV2_UNIT_MILE:

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

  717.                     return;

  718.                 case LV2_UNIT_MIN:

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

  720.                     return;

  721.                 case LV2_UNIT_MM:

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

  723.                     return;

  724.                 case LV2_UNIT_MS:

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

  726.                     return;

  727.                 case LV2_UNIT_OCT:

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

  729.                     return;

  730.                 case LV2_UNIT_PC:

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

  732.                     return;

  733.                 case LV2_UNIT_S:

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

  735.                     return;

  736.                 case LV2_UNIT_SEMITONE:

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

  738.                     return;

  739.                 }

  740.             }

  741.         }

  742. 

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

  744.     }

  745. 

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

  747.     {

  748.         Q_ASSERT(rdf_descriptor);

  749.         Q_ASSERT(parameterId < param.count);

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

  751. 

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

  753. 

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

  755.         {

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

  757. 

  758.             if (scalePointId < port->ScalePointCount)

  759.             {

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

  761. 

  762.                 if (portScalePoint->Label)

  763.                 {

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

  765.                     return;

  766.                 }

  767.             }

  768.         }

  769. 

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

  771.     }

  772. 

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

  774.     {

  775.         Q_ASSERT(type);

  776.         Q_ASSERT(resizable);

  777. 

  778.         *type      = gui.type;

  779.         *resizable = gui.resizable;

  780.     }

  781. 

  782.     // -------------------------------------------------------------------

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

  784. 

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

  786.     {

  787.         Q_ASSERT(parameterId < param.count);

  788. 

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

  790. 

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

  792.     }

  793. 

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

  795.     {

  796.         Q_ASSERT(type != CUSTOM_DATA_INVALID);

  797.         Q_ASSERT(key);

  798.         Q_ASSERT(value);

  799. 

  800.         if (type == CUSTOM_DATA_INVALID)

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

  802. 

  803.         if (! key)

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

  805. 

  806.         if (! value)

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

  808. 

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

  810. 

  811.         if (ext.state)

  812.         {

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

  814.             LV2_State_Status status;

  815. 

  816.             if (x_engine->isOffline())

  817.             {

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

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

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

  821.             }

  822.             else

  823.             {

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

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

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

  827.             }

  828. 

  829.             switch (status)

  830.             {

  831.             case LV2_STATE_SUCCESS:

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

  833.                 break;

  834.             case LV2_STATE_ERR_UNKNOWN:

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

  836.                 break;

  837.             case LV2_STATE_ERR_BAD_TYPE:

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

  839.                 break;

  840.             case LV2_STATE_ERR_BAD_FLAGS:

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

  842.                 break;

  843.             case LV2_STATE_ERR_NO_FEATURE:

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

  845.                 break;

  846.             case LV2_STATE_ERR_NO_PROPERTY:

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

  848.                 break;

  849.             }

  850.         }

  851. 

  852.         if (sendGui)

  853.         {

  854.             CustomData cdata;

  855.             cdata.type  = type;

  856.             cdata.key   = key;

  857.             cdata.value = value;

  858.             uiTransferCustomData(&cdata);

  859.         }

  860.     }

  861. 

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

  863.     {

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

  865. 

  866.         if (index < -1)

  867.             index = -1;

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

  869.             return;

  870. 

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

  872.         {

  873.             if (x_engine->isOffline())

  874.             {

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

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

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

  878.             }

  879.             else

  880.             {

  881.                 const ScopedDisabler m(this, block);

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

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

  884.             }

  885.         }

  886. 

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

  888.     }

  889. 

  890.     // -------------------------------------------------------------------

  891.     // Set gui stuff

  892. 

  893.     void setGuiContainer(GuiContainer* const container)

  894.     {

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

  896.         Q_ASSERT(container);

  897. 

  898.         switch(gui.type)

  899.         {

  900.         case GUI_NONE:

  901.             break;

  902. 

  903.         case GUI_INTERNAL_QT4:

  904.             if (ui.widget)

  905.             {

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

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

  908.                 Q_ASSERT(widget);

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

  910.                 widget->adjustSize();

  911.                 widget->setParent(container);

  912.                 widget->show();

  913.             }

  914.             break;

  915. 

  916.         case GUI_INTERNAL_COCOA:

  917.         case GUI_INTERNAL_HWND:

  918.         case GUI_INTERNAL_X11:

  919.             if (ui.descriptor)

  920.             {

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

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

  923.                 updateUi();

  924.             }

  925.             break;

  926. 

  927.         case GUI_EXTERNAL_LV2:

  928.         case GUI_EXTERNAL_SUIL:

  929.         case GUI_EXTERNAL_OSC:

  930.             break;

  931.         }

  932.     }

  933. 

  934.     void showGui(const bool yesNo)

  935.     {

  936.         switch(gui.type)

  937.         {

  938.         case GUI_NONE:

  939.         case GUI_INTERNAL_QT4:

  940.             break;

  941. 

  942.         case GUI_INTERNAL_COCOA:

  943.         case GUI_INTERNAL_HWND:

  944.         case GUI_INTERNAL_X11:

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

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

  947.             break;

  948. 

  949.         case GUI_EXTERNAL_LV2:

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

  951.                 initExternalUi();

  952. 

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

  954.             {

  955.                 if (yesNo)

  956.                 {

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

  958.                 }

  959.                 else

  960.                 {

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

  962. 

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

  964.                     {

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

  966. 

  967.                         if (ui.descriptor->cleanup)

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

  969. 

  970.                         ui.handle = nullptr;

  971.                     }

  972.                 }

  973.             }

  974.             else

  975.                 // failed to init UI

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

  977. 

  978.             break;

  979. 

  980.         case GUI_EXTERNAL_SUIL:

  981. #ifdef HAVE_SUIL

  982.             if (ui.widget)

  983.             {

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

  985. 

  986.                 if (yesNo)

  987.                 {

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

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

  990.                 }

  991.                 else

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

  993. 

  994.                 widget->setVisible(yesNo);

  995.             }

  996. #endif

  997.             break;

  998. 

  999.         case GUI_EXTERNAL_OSC:

  1000. #ifndef BUILD_BRIDGE

  1001.             Q_ASSERT(osc.thread);

  1002. 

  1003.             if (! osc.thread)

  1004.             {

  1005.                 qCritical("Lv2Plugin::showGui(%s) - attempt to show gui, but it does not exist!", bool2str(yesNo));

  1006.                 return;

  1007.             }

  1008. 

  1009.             if (yesNo)

  1010.             {

  1011.                 osc.thread->start();

  1012.             }

  1013.             else

  1014.             {

  1015.                 if (osc.data.target)

  1016.                 {

  1017.                     osc_send_hide(&osc.data);

  1018.                     osc_send_quit(&osc.data);

  1019.                     osc_clear_data(&osc.data);

  1020.                 }

  1021. 

  1022.                 if (! osc.thread->wait(500))

  1023.                     osc.thread->quit();

  1024.             }

  1025. #endif

  1026.             break;

  1027.         }

  1028.     }

  1029. 

  1030.     void idleGui()

  1031.     {

  1032. #ifdef BUILD_BRIDGE

  1033.         const bool haveUI = (gui.type != GUI_EXTERNAL_OSC && ui.handle && ui.descriptor);

  1034. #else

  1035.         const bool haveUI = (gui.type == GUI_EXTERNAL_OSC && osc.data.target) || (ui.handle && ui.descriptor);

  1036. #endif

  1037. 

  1038.         if (haveUI)

  1039.         {

  1040.             // Update event ports

  1041.             if (! atomQueueOut.isEmpty())

  1042.             {

  1043.                 static Lv2AtomQueue queue;

  1044.                 queue.copyDataFrom(&atomQueueOut);

  1045. 

  1046.                 uint32_t portIndex;

  1047.                 const LV2_Atom* atom;

  1048. 

  1049.                 while (queue.get(&portIndex, &atom, false))

  1050.                 {

  1051. #ifndef BUILD_BRIDGE

  1052.                     if (gui.type == GUI_EXTERNAL_OSC)

  1053.                     {

  1054.                         QByteArray chunk((const char*)atom, sizeof(LV2_Atom) + atom->size);

  1055.                         osc_send_lv2_transfer_event(&osc.data, portIndex, getCustomURIString(atom->type), chunk.toBase64().constData());

  1056.                     }

  1057.                     else

  1058. #endif

  1059.                     {

  1060.                         if (ui.descriptor->port_event)

  1061.                             ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1062.                     }

  1063.                 }

  1064.             }

  1065. 

  1066.             // Update external UI

  1067.             if (gui.type == GUI_EXTERNAL_LV2 && ui.widget)

  1068.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)ui.widget);

  1069.         }

  1070. 

  1071.         CarlaPlugin::idleGui();

  1072.     }

  1073. 

  1074.     // -------------------------------------------------------------------

  1075.     // Plugin state

  1076. 

  1077.     void reload()

  1078.     {

  1079.         qDebug("Lv2Plugin::reload() - start");

  1080.         Q_ASSERT(descriptor && rdf_descriptor);

  1081. 

  1082.         // Safely disable plugin for reload

  1083.         const ScopedDisabler m(this);

  1084. 

  1085.         if (x_client->isActive())

  1086.             x_client->deactivate();

  1087. 

  1088.         // Remove client ports

  1089.         removeClientPorts();

  1090. 

  1091.         // Delete old data

  1092.         deleteBuffers();

  1093. 

  1094.         uint32_t aIns, aOuts, cvIns, cvOuts, params, j;

  1095.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1096.         std::vector<uint32_t> evIns, evOuts;

  1097. 

  1098.         const double sampleRate  = x_engine->getSampleRate();

  1099.         const uint32_t portCount = rdf_descriptor->PortCount;

  1100. 

  1101.         bool forcedStereoIn, forcedStereoOut;

  1102.         forcedStereoIn = forcedStereoOut = false;

  1103. 

  1104.         for (uint32_t i=0; i < portCount; i++)

  1105.         {

  1106.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1107. 

  1108.             if (LV2_IS_PORT_AUDIO(portType))

  1109.             {

  1110.                 if (LV2_IS_PORT_INPUT(portType))

  1111.                     aIns += 1;

  1112.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1113.                     aOuts += 1;

  1114.             }

  1115.             else if (LV2_IS_PORT_CV(portType))

  1116.             {

  1117.                 if (LV2_IS_PORT_INPUT(portType))

  1118.                     cvIns += 1;

  1119.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1120.                     cvOuts += 1;

  1121.             }

  1122.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1123.             {

  1124.                 if (LV2_IS_PORT_INPUT(portType))

  1125.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1126.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1127.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1128.             }

  1129.             else if (LV2_IS_PORT_EVENT(portType))

  1130.             {

  1131.                 if (LV2_IS_PORT_INPUT(portType))

  1132.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1133.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1134.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1135.             }

  1136.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1137.             {

  1138.                 if (LV2_IS_PORT_INPUT(portType))

  1139.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1140.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1141.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1142.             }

  1143.             else if (LV2_IS_PORT_CONTROL(portType))

  1144.                 params += 1;

  1145.         }

  1146. 

  1147. #ifndef BUILD_BRIDGE

  1148.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! h2)

  1149.         {

  1150.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1151. 

  1152.             if (aIns == 1)

  1153.             {

  1154.                 aIns = 2;

  1155.                 forcedStereoIn = true;

  1156.             }

  1157. 

  1158.             if (aOuts == 1)

  1159.             {

  1160.                 aOuts = 2;

  1161.                 forcedStereoOut = true;

  1162.             }

  1163.         }

  1164. #endif

  1165. 

  1166.         if (aIns > 0)

  1167.         {

  1168.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1169.             aIn.rindexes = new uint32_t[aIns];

  1170.         }

  1171. 

  1172.         if (aOuts > 0)

  1173.         {

  1174.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1175.             aOut.rindexes = new uint32_t[aOuts];

  1176.         }

  1177. 

  1178.         if (evIns.size() > 0)

  1179.         {

  1180.             const size_t size = evIns.size();

  1181.             evIn.data = new Lv2EventData[size];

  1182. 

  1183.             for (j=0; j < size; j++)

  1184.             {

  1185.                 evIn.data[j].port = nullptr;

  1186.                 evIn.data[j].type = 0;

  1187. 

  1188.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1189.                 {

  1190.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1191.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1192.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1193.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1194.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1195.                     evIn.data[j].atom->body.pad  = 0;

  1196.                 }

  1197.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1198.                 {

  1199.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1200.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1201.                 }

  1202.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1203.                 {

  1204.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1205.                     evIn.data[j].midi  = new LV2_MIDI;

  1206.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1207.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1208.                 }

  1209.             }

  1210.         }

  1211. 

  1212.         if (evOuts.size() > 0)

  1213.         {

  1214.             const size_t size = evOuts.size();

  1215.             evOut.data = new Lv2EventData[size];

  1216. 

  1217.             for (j=0; j < size; j++)

  1218.             {

  1219.                 evOut.data[j].port = nullptr;

  1220.                 evOut.data[j].type = 0;

  1221. 

  1222.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1223.                 {

  1224.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1225.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1226.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1227.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1228.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1229.                     evOut.data[j].atom->body.pad  = 0;

  1230.                 }

  1231.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1232.                 {

  1233.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1234.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1235.                 }

  1236.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1237.                 {

  1238.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1239.                     evOut.data[j].midi  = new LV2_MIDI;

  1240.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1241.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1242.                 }

  1243.             }

  1244.         }

  1245. 

  1246.         if (params > 0)

  1247.         {

  1248.             param.data   = new ParameterData[params];

  1249.             param.ranges = new ParameterRanges[params];

  1250.             paramBuffers = new float[params];

  1251.         }

  1252. 

  1253.         const int portNameSize = CarlaEngine::maxPortNameSize() - 2;

  1254.         char portName[portNameSize];

  1255.         bool needsCtrlIn  = false;

  1256.         bool needsCtrlOut = false;

  1257. 

  1258.         for (uint32_t i=0; i < portCount; i++)

  1259.         {

  1260.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1261. 

  1262.             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))

  1263.             {

  1264. #ifndef BUILD_BRIDGE

  1265.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1266.                 {

  1267.                     strcpy(portName, m_name);

  1268.                     strcat(portName, ":");

  1269.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1270.                 }

  1271.                 else

  1272. #endif

  1273.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1274.             }

  1275. 

  1276.             if (LV2_IS_PORT_AUDIO(portType))

  1277.             {

  1278.                 if (LV2_IS_PORT_INPUT(portType))

  1279.                 {

  1280.                     j = aIn.count++;

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

  1282.                     aIn.rindexes[j] = i;

  1283. 

  1284.                     if (forcedStereoIn)

  1285.                     {

  1286.                         strcat(portName, "_");

  1287.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1288.                         aIn.rindexes[1] = i;

  1289.                     }

  1290.                 }

  1291.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1292.                 {

  1293.                     j = aOut.count++;

  1294.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1295.                     aOut.rindexes[j] = i;

  1296.                     needsCtrlIn = true;

  1297. 

  1298.                     if (forcedStereoOut)

  1299.                     {

  1300.                         strcat(portName, "_");

  1301.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1302.                         aOut.rindexes[1] = i;

  1303.                     }

  1304.                 }

  1305.                 else

  1306.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1307.             }

  1308.             else if (LV2_IS_PORT_CV(portType))

  1309.             {

  1310.                 if (LV2_IS_PORT_INPUT(portType))

  1311.                 {

  1312.                     qWarning("WARNING - CV Ports are not supported yet");

  1313.                 }

  1314.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1315.                 {

  1316.                     qWarning("WARNING - CV Ports are not supported yet");

  1317.                 }

  1318.                 else

  1319.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1320. 

  1321.                 descriptor->connect_port(handle, i, nullptr);

  1322.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1323.             }

  1324.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1325.             {

  1326.                 if (LV2_IS_PORT_INPUT(portType))

  1327.                 {

  1328.                     j = evIn.count++;

  1329.                     descriptor->connect_port(handle, i, evIn.data[j].atom);

  1330.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1331. 

  1332.                     evIn.data[j].rindex = i;

  1333. 

  1334.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1335.                     {

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

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

  1338.                     }

  1339.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1340.                     {

  1341.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1342.                     }

  1343.                 }

  1344.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1345.                 {

  1346.                     j = evOut.count++;

  1347.                     descriptor->connect_port(handle, i, evOut.data[j].atom);

  1348.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].atom);

  1349. 

  1350.                     evOut.data[j].rindex = i;

  1351. 

  1352.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1353.                     {

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

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

  1356.                     }

  1357.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1358.                     {

  1359.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1360.                     }

  1361.                 }

  1362.                 else

  1363.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1364.             }

  1365.             else if (LV2_IS_PORT_EVENT(portType))

  1366.             {

  1367.                 if (LV2_IS_PORT_INPUT(portType))

  1368.                 {

  1369.                     j = evIn.count++;

  1370.                     descriptor->connect_port(handle, i, evIn.data[j].event);

  1371.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1372. 

  1373.                     evIn.data[j].rindex = i;

  1374. 

  1375.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1376.                     {

  1377.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1378.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1379.                     }

  1380.                 }

  1381.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1382.                 {

  1383.                     j = evOut.count++;

  1384.                     descriptor->connect_port(handle, i, evOut.data[j].event);

  1385.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1386. 

  1387.                     evOut.data[j].rindex = i;

  1388. 

  1389.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1390.                     {

  1391.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1392.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1393.                     }

  1394.                 }

  1395.                 else

  1396.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1397.             }

  1398.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1399.             {

  1400.                 if (LV2_IS_PORT_INPUT(portType))

  1401.                 {

  1402.                     j = evIn.count++;

  1403.                     descriptor->connect_port(handle, i, evIn.data[j].midi);

  1404.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1405. 

  1406.                     evIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1407.                     evIn.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1408.                     evIn.data[j].rindex = i;

  1409.                 }

  1410.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1411.                 {

  1412.                     j = evOut.count++;

  1413.                     descriptor->connect_port(handle, i, evOut.data[j].midi);

  1414.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1415. 

  1416.                     evOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1417.                     evOut.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1418.                     evOut.data[j].rindex = i;

  1419.                 }

  1420.                 else

  1421.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1422.             }

  1423.             else if (LV2_IS_PORT_CONTROL(portType))

  1424.             {

  1425.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1426.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1427.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1428. 

  1429.                 j = param.count++;

  1430.                 param.data[j].index  = j;

  1431.                 param.data[j].rindex = i;

  1432.                 param.data[j].hints  = 0;

  1433.                 param.data[j].midiChannel = 0;

  1434.                 param.data[j].midiCC = -1;

  1435. 

  1436.                 double min, max, def, step, stepSmall, stepLarge;

  1437. 

  1438.                 // min value

  1439.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1440.                     min = portPoints.Minimum;

  1441.                 else

  1442.                     min = 0.0;

  1443. 

  1444.                 // max value

  1445.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1446.                     max = portPoints.Maximum;

  1447.                 else

  1448.                     max = 1.0;

  1449. 

  1450.                 if (min > max)

  1451.                     max = min;

  1452.                 else if (max < min)

  1453.                     min = max;

  1454. 

  1455.                 // stupid hack for ir.lv2 (broken plugin)

  1456.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1457.                 {

  1458.                     min = 0.0;

  1459.                     max = 16777215.0; // 0xffffff

  1460.                 }

  1461. 

  1462.                 if (max - min == 0.0)

  1463.                 {

  1464.                     qWarning("Broken plugin parameter: max - min == 0");

  1465.                     max = min + 0.1;

  1466.                 }

  1467. 

  1468.                 // default value

  1469.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1470.                 {

  1471.                     def = portPoints.Default;

  1472.                 }

  1473.                 else

  1474.                 {

  1475.                     // no default value

  1476.                     if (min < 0.0 && max > 0.0)

  1477.                         def = 0.0;

  1478.                     else

  1479.                         def = min;

  1480.                 }

  1481. 

  1482.                 if (def < min)

  1483.                     def = min;

  1484.                 else if (def > max)

  1485.                     def = max;

  1486. 

  1487.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1488.                 {

  1489.                     min *= sampleRate;

  1490.                     max *= sampleRate;

  1491.                     def *= sampleRate;

  1492.                     param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1493.                 }

  1494. 

  1495.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1496.                 {

  1497.                     step = max - min;

  1498.                     stepSmall = step;

  1499.                     stepLarge = step;

  1500.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1501.                 }

  1502.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1503.                 {

  1504.                     step = 1.0;

  1505.                     stepSmall = 1.0;

  1506.                     stepLarge = 10.0;

  1507.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1508.                 }

  1509.                 else

  1510.                 {

  1511.                     double range = max - min;

  1512.                     step = range/100.0;

  1513.                     stepSmall = range/1000.0;

  1514.                     stepLarge = range/10.0;

  1515.                 }

  1516. 

  1517.                 if (LV2_IS_PORT_INPUT(portType))

  1518.                 {

  1519.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1520.                     {

  1521.                         qWarning("Plugin has latency input port, this should not happen!");

  1522.                     }

  1523.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1524.                     {

  1525.                         def = sampleRate;

  1526.                         step = 1.0;

  1527.                         stepSmall = 1.0;

  1528.                         stepLarge = 1.0;

  1529. 

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

  1531.                         param.data[j].hints = 0;

  1532.                     }

  1533.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1534.                     {

  1535.                         param.data[j].type = PARAMETER_LV2_FREEWHEEL;

  1536.                     }

  1537.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1538.                     {

  1539.                         param.data[j].type = PARAMETER_LV2_TIME;

  1540.                     }

  1541.                     else

  1542.                     {

  1543.                         param.data[j].type = PARAMETER_INPUT;

  1544.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1545.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1546.                         needsCtrlIn = true;

  1547.                     }

  1548. 

  1549.                     // MIDI CC value

  1550.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1551.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1552.                     {

  1553.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1554.                             param.data[j].midiCC = portMidiMap->Number;

  1555.                     }

  1556.                 }

  1557.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1558.                 {

  1559.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1560.                     {

  1561.                         min = 0.0;

  1562.                         max = sampleRate;

  1563.                         def = 0.0;

  1564.                         step = 1.0;

  1565.                         stepSmall = 1.0;

  1566.                         stepLarge = 1.0;

  1567. 

  1568.                         param.data[j].type  = PARAMETER_LATENCY;

  1569.                         param.data[j].hints = 0;

  1570.                     }

  1571.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1572.                     {

  1573.                         def = sampleRate;

  1574.                         step = 1.0;

  1575.                         stepSmall = 1.0;

  1576.                         stepLarge = 1.0;

  1577. 

  1578.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1579.                         param.data[j].hints = 0;

  1580.                     }

  1581.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1582.                     {

  1583.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1584.                     }

  1585.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1586.                     {

  1587.                         param.data[j].type = PARAMETER_LV2_TIME;

  1588.                     }

  1589.                     else

  1590.                     {

  1591.                         param.data[j].type   = PARAMETER_OUTPUT;

  1592.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1593.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1594.                         needsCtrlOut = true;

  1595.                     }

  1596.                 }

  1597.                 else

  1598.                 {

  1599.                     param.data[j].type = PARAMETER_UNKNOWN;

  1600.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1601.                 }

  1602. 

  1603.                 // extra parameter hints

  1604.                 if (LV2_IS_PORT_ENUMERATION(portProps))

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

  1606. 

  1607.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

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

  1609. 

  1610.                 if (LV2_IS_PORT_TRIGGER(portProps))

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

  1612. 

  1613.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  1614.                     param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  1615. 

  1616.                 // check if parameter is not enabled or automable

  1617.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

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

  1619. 

  1620.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

  1621.                     param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  1622. 

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

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

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

  1626.                 param.ranges[j].step = step;

  1627.                 param.ranges[j].stepSmall = stepSmall;

  1628.                 param.ranges[j].stepLarge = stepLarge;

  1629. 

  1630.                 // Start parameters in their default values

  1631.                 paramBuffers[j] = def;

  1632. 

  1633.                 descriptor->connect_port(handle, i, &paramBuffers[j]);

  1634.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1635.             }

  1636.             else

  1637.             {

  1638.                 // Port Type not supported, but it's optional anyway

  1639.                 descriptor->connect_port(handle, i, nullptr);

  1640.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1641.             }

  1642.         }

  1643. 

  1644.         if (needsCtrlIn)

  1645.         {

  1646. #ifndef BUILD_BRIDGE

  1647.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1648.             {

  1649.                 strcpy(portName, m_name);

  1650.                 strcat(portName, ":control-in");

  1651.             }

  1652.             else

  1653. #endif

  1654.                 strcpy(portName, "control-in");

  1655. 

  1656.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1657.         }

  1658. 

  1659.         if (needsCtrlOut)

  1660.         {

  1661. #ifndef BUILD_BRIDGE

  1662.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1663.             {

  1664.                 strcpy(portName, m_name);

  1665.                 strcat(portName, ":control-out");

  1666.             }

  1667.             else

  1668. #endif

  1669.                 strcpy(portName, "control-out");

  1670. 

  1671.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1672.         }

  1673. 

  1674.         aIn.count   = aIns;

  1675.         aOut.count  = aOuts;

  1676.         evIn.count  = evIns.size();

  1677.         evOut.count = evOuts.size();

  1678.         param.count = params;

  1679. 

  1680.         // plugin checks

  1681.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE);

  1682. 

  1683.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1684.             m_hints |= PLUGIN_IS_SYNTH;

  1685. 

  1686.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1687.             m_hints |= PLUGIN_CAN_DRYWET;

  1688. 

  1689.         if (aOuts > 0)

  1690.             m_hints |= PLUGIN_CAN_VOLUME;

  1691. 

  1692.         if (aOuts >= 2 && aOuts%2 == 0)

  1693.             m_hints |= PLUGIN_CAN_BALANCE;

  1694. 

  1695.         // check extensions

  1696.         ext.state      = nullptr;

  1697.         ext.worker     = nullptr;

  1698.         ext.programs   = nullptr;

  1699. 

  1700.         if (descriptor->extension_data)

  1701.         {

  1702.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1703.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1704. 

  1705.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1706.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1707. 

  1708.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1709.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1710.         }

  1711. 

  1712.         reloadPrograms(true);

  1713. 

  1714.         x_client->activate();

  1715. 

  1716.         qDebug("Lv2Plugin::reload() - end");

  1717.     }

  1718. 

  1719.     void reloadPrograms(const bool init)

  1720.     {

  1721.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1722.         uint32_t i, oldCount = midiprog.count;

  1723. 

  1724.         // Delete old programs

  1725.         if (midiprog.count > 0)

  1726.         {

  1727.             for (i=0; i < midiprog.count; i++)

  1728.             {

  1729.                 if (midiprog.data[i].name)

  1730.                     free((void*)midiprog.data[i].name);

  1731.             }

  1732. 

  1733.             delete[] midiprog.data;

  1734.         }

  1735. 

  1736.         midiprog.count = 0;

  1737.         midiprog.data  = nullptr;

  1738. 

  1739.         // Query new programs

  1740.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1741.         {

  1742.             while (ext.programs->get_program(handle, midiprog.count))

  1743.                 midiprog.count += 1;

  1744.         }

  1745. 

  1746.         if (midiprog.count > 0)

  1747.             midiprog.data = new midi_program_t[midiprog.count];

  1748. 

  1749.         // Update data

  1750.         for (i=0; i < midiprog.count; i++)

  1751.         {

  1752.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1753.             Q_ASSERT(pdesc);

  1754.             Q_ASSERT(pdesc->program < 128);

  1755.             Q_ASSERT(pdesc->name);

  1756. 

  1757.             midiprog.data[i].bank    = pdesc->bank;

  1758.             midiprog.data[i].program = pdesc->program;

  1759.             midiprog.data[i].name    = strdup(pdesc->name);

  1760.         }

  1761. 

  1762. #ifndef BUILD_BRIDGE

  1763.         // Update OSC Names

  1764.         if (x_engine->isOscControllerRegisted())

  1765.         {

  1766.             x_engine->osc_send_control_set_midi_program_count(m_id, midiprog.count);

  1767. 

  1768.             for (i=0; i < midiprog.count; i++)

  1769.                 x_engine->osc_send_control_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1770.         }

  1771. #endif

  1772. 

  1773.         if (init)

  1774.         {

  1775.             if (midiprog.count > 0)

  1776.                 setMidiProgram(0, false, false, false, true);

  1777.         }

  1778.         else

  1779.         {

  1780.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1781. 

  1782.             // Check if current program is invalid

  1783.             bool programChanged = false;

  1784. 

  1785.             if (midiprog.count == oldCount+1)

  1786.             {

  1787.                 // one midi program added, probably created by user

  1788.                 midiprog.current = oldCount;

  1789.                 programChanged   = true;

  1790.             }

  1791.             else if (midiprog.current >= (int32_t)midiprog.count)

  1792.             {

  1793.                 // current midi program > count

  1794.                 midiprog.current = 0;

  1795.                 programChanged   = true;

  1796.             }

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

  1798.             {

  1799.                 // programs exist now, but not before

  1800.                 midiprog.current = 0;

  1801.                 programChanged   = true;

  1802.             }

  1803.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1804.             {

  1805.                 // programs existed before, but not anymore

  1806.                 midiprog.current = -1;

  1807.                 programChanged   = true;

  1808.             }

  1809. 

  1810.             if (programChanged)

  1811.                 setMidiProgram(midiprog.current, true, true, true, true);

  1812.         }

  1813.     }

  1814. 

  1815.     void prepareForSave()

  1816.     {

  1817.         if (ext.state && ext.state->save)

  1818.         {

  1819.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1820.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1821.         }

  1822.     }

  1823. 

  1824.     // -------------------------------------------------------------------

  1825.     // Plugin processing

  1826. 

  1827.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1828.     {

  1829.         uint32_t i, k;

  1830.         uint32_t midiEventCount = 0;

  1831. 

  1832.         double aInsPeak[2]  = { 0.0 };

  1833.         double aOutsPeak[2] = { 0.0 };

  1834. 

  1835.         // handle events from different APIs

  1836.         uint32_t evInAtomOffsets[evIn.count];

  1837.         LV2_Event_Iterator evInEventIters[evIn.count];

  1838.         LV2_MIDIState evInMidiStates[evIn.count];

  1839. 

  1840.         for (i=0; i < evIn.count; i++)

  1841.         {

  1842.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1843.             {

  1844.                 evInAtomOffsets[i] = 0;

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

  1846.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1847.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1848.                 evIn.data[i].atom->body.pad  = 0;

  1849.             }

  1850.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1851.             {

  1852.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1853.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1854.             }

  1855.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1856.             {

  1857.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1858.                 evInMidiStates[i].frame_count = frames;

  1859.                 evInMidiStates[i].position = 0;

  1860.                 evInMidiStates[i].midi->event_count = 0;

  1861.                 evInMidiStates[i].midi->size = 0;

  1862.             }

  1863.         }

  1864. 

  1865.         for (i=0; i < evOut.count; i++)

  1866.         {

  1867.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1868.             {

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

  1870.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1871.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1872.                 evOut.data[i].atom->body.pad  = 0;

  1873.             }

  1874.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1875.             {

  1876.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1877.             }

  1878.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1879.             {

  1880.                 // not needed

  1881.             }

  1882.         }

  1883. 

  1884.         CARLA_PROCESS_CONTINUE_CHECK;

  1885. 

  1886.         // --------------------------------------------------------------------------------------------------------

  1887.         // Input VU

  1888. 

  1889.         if (aIn.count > 0)

  1890.         {

  1891.             if (aIn.count == 1)

  1892.             {

  1893.                 for (k=0; k < frames; k++)

  1894.                 {

  1895.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1896.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1897.                 }

  1898.             }

  1899.             else if (aIn.count > 1)

  1900.             {

  1901.                 for (k=0; k < frames; k++)

  1902.                 {

  1903.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1904.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1905. 

  1906.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1907.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1908.                 }

  1909.             }

  1910.         }

  1911. 

  1912.         CARLA_PROCESS_CONTINUE_CHECK;

  1913. 

  1914.         // --------------------------------------------------------------------------------------------------------

  1915.         // Parameters Input [Automation]

  1916. 

  1917.         if (param.portCin && m_active && m_activeBefore)

  1918.         {

  1919.             bool allNotesOffSent = false;

  1920. 

  1921.             const CarlaEngineControlEvent* cinEvent;

  1922.             uint32_t time, nEvents = param.portCin->getEventCount();

  1923. 

  1924.             uint32_t nextBankId = 0;

  1925.             if (midiprog.current >= 0 && midiprog.count > 0)

  1926.                 nextBankId = midiprog.data[midiprog.current].bank;

  1927. 

  1928.             for (i=0; i < nEvents; i++)

  1929.             {

  1930.                 cinEvent = param.portCin->getEvent(i);

  1931. 

  1932.                 if (! cinEvent)

  1933.                     continue;

  1934. 

  1935.                 time = cinEvent->time - framesOffset;

  1936. 

  1937.                 if (time >= frames)

  1938.                     continue;

  1939. 

  1940.                 // Control change

  1941.                 switch (cinEvent->type)

  1942.                 {

  1943.                 case CarlaEngineEventNull:

  1944.                     break;

  1945. 

  1946.                 case CarlaEngineEventControlChange:

  1947.                 {

  1948.                     double value;

  1949. 

  1950.                     // Control backend stuff

  1951.                     if (cinEvent->channel == m_ctrlInChannel)

  1952.                     {

  1953.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1954.                         {

  1955.                             value = cinEvent->value;

  1956.                             setDryWet(value, false, false);

  1957.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1958.                             continue;

  1959.                         }

  1960. 

  1961.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1962.                         {

  1963.                             value = cinEvent->value*127/100;

  1964.                             setVolume(value, false, false);

  1965.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  1966.                             continue;

  1967.                         }

  1968. 

  1969.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1970.                         {

  1971.                             double left, right;

  1972.                             value = cinEvent->value/0.5 - 1.0;

  1973. 

  1974.                             if (value < 0.0)

  1975.                             {

  1976.                                 left  = -1.0;

  1977.                                 right = (value*2)+1.0;

  1978.                             }

  1979.                             else if (value > 0.0)

  1980.                             {

  1981.                                 left  = (value*2)-1.0;

  1982.                                 right = 1.0;

  1983.                             }

  1984.                             else

  1985.                             {

  1986.                                 left  = -1.0;

  1987.                                 right = 1.0;

  1988.                             }

  1989. 

  1990.                             setBalanceLeft(left, false, false);

  1991.                             setBalanceRight(right, false, false);

  1992.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1993.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1994.                             continue;

  1995.                         }

  1996.                     }

  1997. 

  1998.                     // Control plugin parameters

  1999.                     for (k=0; k < param.count; k++)

  2000.                     {

  2001.                         if (param.data[k].midiChannel != cinEvent->channel)

  2002.                             continue;

  2003.                         if (param.data[k].midiCC != cinEvent->controller)

  2004.                             continue;

  2005.                         if (param.data[k].type != PARAMETER_INPUT)

  2006.                             continue;

  2007. 

  2008.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  2009.                         {

  2010.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  2011.                             {

  2012.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  2013.                             }

  2014.                             else

  2015.                             {

  2016.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  2017. 

  2018.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  2019.                                     value = rint(value);

  2020.                             }

  2021. 

  2022.                             setParameterValue(k, value, false, false, false);

  2023.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  2024.                         }

  2025.                     }

  2026. 

  2027.                     break;

  2028.                 }

  2029. 

  2030.                 case CarlaEngineEventMidiBankChange:

  2031.                     if (cinEvent->channel == m_ctrlInChannel)

  2032.                         nextBankId = rint(cinEvent->value);

  2033.                     break;

  2034. 

  2035.                 case CarlaEngineEventMidiProgramChange:

  2036.                     if (cinEvent->channel == m_ctrlInChannel)

  2037.                     {

  2038.                         uint32_t nextProgramId = rint(cinEvent->value);

  2039. 

  2040.                         for (k=0; k < midiprog.count; k++)

  2041.                         {

  2042.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  2043.                             {

  2044.                                 setMidiProgram(k, false, false, false, false);

  2045.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  2046.                                 break;

  2047.                             }

  2048.                         }

  2049.                     }

  2050.                     break;

  2051. 

  2052.                 case CarlaEngineEventAllSoundOff:

  2053.                     if (cinEvent->channel == m_ctrlInChannel)

  2054.                     {

  2055.                         if (midi.portMin && ! allNotesOffSent)

  2056.                             sendMidiAllNotesOff();

  2057. 

  2058.                         if (descriptor->deactivate)

  2059.                         {

  2060.                             descriptor->deactivate(handle);

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

  2062.                         }

  2063. 

  2064.                         if (descriptor->activate)

  2065.                         {

  2066.                             descriptor->activate(handle);

  2067.                             if (h2) descriptor->activate(h2);

  2068.                         }

  2069. 

  2070.                         allNotesOffSent = true;

  2071.                     }

  2072.                     break;

  2073. 

  2074.                 case CarlaEngineEventAllNotesOff:

  2075.                     if (cinEvent->channel == m_ctrlInChannel)

  2076.                     {

  2077.                         if (midi.portMin && ! allNotesOffSent)

  2078.                             sendMidiAllNotesOff();

  2079. 

  2080.                         allNotesOffSent = true;

  2081.                     }

  2082.                     break;

  2083.                 }

  2084.             }

  2085.         } // End of Parameters Input

  2086. 

  2087.         CARLA_PROCESS_CONTINUE_CHECK;

  2088. 

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

  2090.         // Event Input

  2091. 

  2092.         if (evIn.count > 0 && m_active && m_activeBefore)

  2093.         {

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

  2095.             // MIDI Input (External)

  2096. 

  2097.             {

  2098.                 engineMidiLock();

  2099. 

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

  2101.                 {

  2102.                     if (extMidiNotes[i].channel < 0)

  2103.                         break;

  2104. 

  2105.                     uint8_t midiEvent[3] = { 0 };

  2106.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2107.                     midiEvent[1] = extMidiNotes[i].note;

  2108.                     midiEvent[2] = extMidiNotes[i].velo;

  2109. 

  2110.                     // send to all midi inputs

  2111.                     for (k=0; k < evIn.count; k++)

  2112.                     {

  2113.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2114.                         {

  2115.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2116.                             {

  2117.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2118.                                 aev->time.frames = 0;

  2119.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2120.                                 aev->body.size   = 3;

  2121.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2122. 

  2123.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2124.                                 evInAtomOffsets[k]           += evInPadSize;

  2125.                                 evIn.data[k].atom->atom.size += evInPadSize;

  2126.                             }

  2127.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2128.                             {

  2129.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2130.                             }

  2131.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2132.                             {

  2133.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2134.                             }

  2135.                         }

  2136.                     }

  2137. 

  2138.                     extMidiNotes[i].channel = -1; // mark as invalid

  2139.                     midiEventCount += 1;

  2140.                 }

  2141. 

  2142.                 engineMidiUnlock();

  2143. 

  2144.             } // End of MIDI Input (External)

  2145. 

  2146.             CARLA_PROCESS_CONTINUE_CHECK;

  2147. 

  2148.             // ----------------------------------------------------------------------------------------------------

  2149.             // MIDI Input (System)

  2150. 

  2151.             {

  2152.                 for (i=0; i < evIn.count; i++)

  2153.                 {

  2154.                     if (! evIn.data[i].port)

  2155.                         continue;

  2156. 

  2157.                     const CarlaEngineMidiEvent* minEvent;

  2158.                     uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2159. 

  2160.                     for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2161.                     {

  2162.                         minEvent = evIn.data[i].port->getEvent(k);

  2163. 

  2164.                         if (! minEvent)

  2165.                             continue;

  2166. 

  2167.                         time = minEvent->time - framesOffset;

  2168. 

  2169.                         if (time >= frames)

  2170.                             continue;

  2171. 

  2172.                         uint8_t status  = minEvent->data[0];

  2173.                         uint8_t channel = status & 0x0F;

  2174. 

  2175.                         // Fix bad note-off

  2176.                         if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2177.                             status -= 0x10;

  2178. 

  2179.                         // only write supported status types

  2180.                         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))

  2181.                         {

  2182.                             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2183.                             {

  2184.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2185.                                 aev->time.frames = time;

  2186.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2187.                                 aev->body.size   = minEvent->size;

  2188.                                 memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2189. 

  2190.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2191.                                 evInAtomOffsets[i]           += evInPadSize;

  2192.                                 evIn.data[i].atom->atom.size += evInPadSize;

  2193.                             }

  2194.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2195.                             {

  2196.                                 lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2197.                             }

  2198.                             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2199.                             {

  2200.                                 lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2201.                             }

  2202. 

  2203.                             if (MIDI_IS_STATUS_NOTE_OFF(status))

  2204.                                 postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2205.                             else if (MIDI_IS_STATUS_NOTE_ON(status))

  2206.                                 postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2207.                         }

  2208. 

  2209.                         midiEventCount += 1;

  2210.                     }

  2211.                 }

  2212.             } // End of MIDI Input (System)

  2213. 

  2214.             // ----------------------------------------------------------------------------------------------------

  2215.             // Message Input

  2216. 

  2217.             {

  2218.                 for (i=0; i < evIn.count; i++)

  2219.                 {

  2220.                     if (! evIn.data[i].type & CARLA_EVENT_TYPE_MESSAGE)

  2221.                         continue;

  2222. 

  2223.                     // messages only supported in Atom type ports

  2224.                     Q_ASSERT(evIn.data[i].type & CARLA_EVENT_DATA_ATOM);

  2225. 

  2226. #if 0

  2227.                      // send transport info if changed

  2228.                     const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2229. 

  2230.                     if (timeInfo->playing != lastTimePosPlaying || timeInfo->frame != lastTimePosFrame)

  2231.                     {

  2232.                         uint8_t posBuf[256];

  2233.                         LV2_Atom* const lv2Pos = (LV2_Atom*)posBuf;

  2234. 

  2235.                         LV2_Atom_Forge tempForge;

  2236.                         LV2_Atom_Forge* const forge = &tempForge;

  2237.                         lv2_atom_forge_set_buffer(forge, posBuf, sizeof(uint8_t)*256);

  2238. 

  2239.                         //LV2_Atom_Forge_Frame frame;

  2240.                         //lv2_atom_forge_blank(forge, &frame, 1, jalv->urids.time_Position);

  2241.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_frame, 0);

  2242.                         lv2_atom_forge_long(forge, timeInfo->frame);

  2243.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_position, 0);

  2244.                         lv2_atom_forge_long(forge, timeInfo->time);

  2245.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_speed, 0);

  2246.                         lv2_atom_forge_float(forge, timeInfo->playing ? 1.0 : 0.0);

  2247. 

  2248.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2249.                         {

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

  2251.                             lv2_atom_forge_float(forge, timeInfo->bbt.bar - 1);

  2252. 

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

  2254.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat));

  2255. 

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

  2257.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1); // FIXME: -1 ?

  2258. 

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

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

  2261. 

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

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

  2264. 

  2265.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatsPerMinute, 0);

  2266.                             lv2_atom_forge_float(forge, timeInfo->bbt.beats_per_minute);

  2267.                         }

  2268. 

  2269.                         LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2270.                         aev->time.frames = framesOffset;

  2271.                         aev->body.type   = lv2Pos->type;

  2272.                         aev->body.size   = lv2Pos->size;

  2273.                         memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(lv2Pos), lv2Pos->size);

  2274. 

  2275.                         const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + lv2Pos->size);

  2276.                         evInAtomOffsets[i]           += evInPadSize;

  2277.                         evIn.data[i].atom->atom.size += evInPadSize;

  2278. 

  2279.                         lastTimePosPlaying = timeInfo->playing;

  2280.                         lastTimePosFrame   = timeInfo->playing ? timeInfo->frame + frames : timeInfo->frame;

  2281.                     }

  2282. #endif

  2283. 

  2284.                     atomQueueIn.lock();

  2285. 

  2286.                     if (! atomQueueIn.isEmpty())

  2287.                     {

  2288.                         uint32_t portIndex;

  2289.                         const LV2_Atom* atom;

  2290. 

  2291.                         while (atomQueueIn.get(&portIndex, &atom, false))

  2292.                         {

  2293.                             if (atom->type == CARLA_URI_MAP_ID_ATOM_WORKER)

  2294.                             {

  2295.                                 const LV2_Atom_Worker* const atomWorker = (const LV2_Atom_Worker*)atom;

  2296.                                 ext.worker->work_response(handle, atomWorker->body.size, atomWorker->body.data);

  2297.                                 continue;

  2298.                             }

  2299. 

  2300.                             LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2301.                             aev->time.frames = framesOffset;

  2302.                             aev->body.type   = atom->type;

  2303.                             aev->body.size   = atom->size;

  2304.                             memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(atom), atom->size);

  2305. 

  2306.                             const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + atom->size);

  2307.                             evInAtomOffsets[i]           += evInPadSize;

  2308.                             evIn.data[i].atom->atom.size += evInPadSize;

  2309.                         }

  2310.                     }

  2311. 

  2312.                     atomQueueIn.unlock();

  2313.                 }

  2314.             }

  2315. 

  2316.         } // End of Event Input

  2317. 

  2318.         CARLA_PROCESS_CONTINUE_CHECK;

  2319. 

  2320.         // --------------------------------------------------------------------------------------------------------

  2321.         // Special Parameters

  2322. 

  2323.         {

  2324.             int32_t rindex;

  2325.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2326. 

  2327.             for (k=0; k < param.count; k++)

  2328.             {

  2329.                 if (param.data[k].type == PARAMETER_LATENCY)

  2330.                 {

  2331.                     // TODO

  2332.                 }

  2333.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2334.                 {

  2335.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2336.                 }

  2337.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2338.                 {

  2339.                     rindex = param.data[k].rindex;

  2340.                     Q_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2341. 

  2342.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2343.                     {

  2344.                     // Non-BBT

  2345.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2346.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2347.                         break;

  2348.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2349.                         break;

  2350.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

  2351.                         setParameterValue(k, timeInfo->time, false, false, false);

  2352.                         break;

  2353.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2354.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2355.                         break;

  2356.                     // BBT

  2357.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2358.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2359.                             setParameterValue(k, timeInfo->bbt.bar - 1, false, false, false);

  2360.                         break;

  2361.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2362.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2363.                             setParameterValue(k, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat), false, false, false);

  2364.                         break;

  2365.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2366.                         if (timeInfo->valid & CarlaEngineTimeBBT)  // FIXME: -1 ?

  2367.                             setParameterValue(k, timeInfo->bbt.beat - 1, false, false, false);

  2368.                         break;

  2369.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2370.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2371.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2372.                         break;

  2373.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2374.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2375.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2376.                         break;

  2377.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2378.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2379.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2380.                         break;

  2381.                     }

  2382.                 }

  2383.             }

  2384.         }

  2385. 

  2386.         CARLA_PROCESS_CONTINUE_CHECK;

  2387. 

  2388.         // --------------------------------------------------------------------------------------------------------

  2389.         // Plugin processing

  2390. 

  2391.         if (m_active)

  2392.         {

  2393.             if (! m_activeBefore)

  2394.             {

  2395.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2396.                 {

  2397.                     uint8_t midiEvent1[2] = { 0 };

  2398.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2399.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2400. 

  2401.                     uint8_t midiEvent2[2] = { 0 };

  2402.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2403.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2404. 

  2405.                     // send to all midi inputs

  2406.                     for (k=0; k < evIn.count; k++)

  2407.                     {

  2408.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2409.                         {

  2410.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2411.                             {

  2412.                                 // all sound off

  2413.                                 LV2_Atom_Event* const aev1 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2414.                                 aev1->time.frames = 0;

  2415.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2416.                                 aev1->body.size   = 2;

  2417.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2418. 

  2419.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2420.                                 evInAtomOffsets[k]           += padSize;

  2421.                                 evIn.data[k].atom->atom.size += padSize;

  2422. 

  2423.                                 // all notes off

  2424.                                 LV2_Atom_Event* const aev2 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2425.                                 aev2->time.frames = 0;

  2426.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2427.                                 aev2->body.size   = 2;

  2428.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2429. 

  2430.                                 evInAtomOffsets[k]           += padSize;

  2431.                                 evIn.data[k].atom->atom.size += padSize;

  2432.                             }

  2433.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2434.                             {

  2435.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2436.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2437.                             }

  2438.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2439.                             {

  2440.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2441.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2442.                             }

  2443.                         }

  2444.                     }

  2445. 

  2446.                     midiEventCount = 2;

  2447.                 }

  2448. 

  2449.                 if (descriptor->activate)

  2450.                 {

  2451.                     descriptor->activate(handle);

  2452.                     if (h2) descriptor->activate(h2);

  2453.                 }

  2454.             }

  2455. 

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

  2457.             {

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

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

  2460.             }

  2461. 

  2462.             for (i=0; i < aOut.count; i++)

  2463.             {

  2464.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2465.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2466.             }

  2467. 

  2468.             descriptor->run(handle, frames);

  2469.             if (h2) descriptor->run(h2, frames);

  2470. 

  2471.             if (ext.worker && ext.worker->end_run)

  2472.             {

  2473.                 ext.worker->end_run(handle);

  2474.                 if (h2) ext.worker->end_run(h2);

  2475.             }

  2476.         }

  2477.         else

  2478.         {

  2479.             if (m_activeBefore)

  2480.             {

  2481.                 if (descriptor->deactivate)

  2482.                 {

  2483.                     descriptor->deactivate(handle);

  2484.                     if (h2) descriptor->deactivate(h2);

  2485.                 }

  2486.             }

  2487.         }

  2488. 

  2489.         CARLA_PROCESS_CONTINUE_CHECK;

  2490. 

  2491.         // --------------------------------------------------------------------------------------------------------

  2492.         // Post-processing (dry/wet, volume and balance)

  2493. 

  2494.         if (m_active)

  2495.         {

  2496.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2497.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2498.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2499. 

  2500.             double bal_rangeL, bal_rangeR;

  2501.             float oldBufLeft[do_balance ? frames : 0];

  2502. 

  2503.             for (i=0; i < aOut.count; i++)

  2504.             {

  2505.                 // Dry/Wet

  2506.                 if (do_drywet)

  2507.                 {

  2508.                     for (k=0; k < frames; k++)

  2509.                     {

  2510.                         if (aOut.count == 1)

  2511.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2512.                         else

  2513.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2514.                     }

  2515.                 }

  2516. 

  2517.                 // Balance

  2518.                 if (do_balance)

  2519.                 {

  2520.                     if (i%2 == 0)

  2521.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2522. 

  2523.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2524.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2525. 

  2526.                     for (k=0; k < frames; k++)

  2527.                     {

  2528.                         if (i%2 == 0)

  2529.                         {

  2530.                             // left output

  2531.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2532.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2533.                         }

  2534.                         else

  2535.                         {

  2536.                             // right

  2537.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2538.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2539.                         }

  2540.                     }

  2541.                 }

  2542. 

  2543.                 // Volume

  2544.                 if (do_volume)

  2545.                 {

  2546.                     for (k=0; k < frames; k++)

  2547.                         outBuffer[i][k] *= x_volume;

  2548.                 }

  2549. 

  2550.                 // Output VU

  2551.                 for (k=0; i < 2 && k < frames; k++)

  2552.                 {

  2553.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2554.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2555.                 }

  2556.             }

  2557.         }

  2558.         else

  2559.         {

  2560.             // disable any output sound if not active

  2561.             for (i=0; i < aOut.count; i++)

  2562.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2563. 

  2564.             aOutsPeak[0] = 0.0;

  2565.             aOutsPeak[1] = 0.0;

  2566. 

  2567.         } // End of Post-processing

  2568. 

  2569.         CARLA_PROCESS_CONTINUE_CHECK;

  2570. 

  2571.         // --------------------------------------------------------------------------------------------------------

  2572.         // Control Output

  2573. 

  2574.         if (param.portCout && m_active)

  2575.         {

  2576.             double value;

  2577. 

  2578.             for (k=0; k < param.count; k++)

  2579.             {

  2580.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2581.                 {

  2582.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2583. 

  2584.                     if (param.data[k].midiCC > 0)

  2585.                     {

  2586.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2587.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2588.                     }

  2589.                 }

  2590.             }

  2591.         } // End of Control Output

  2592. 

  2593.         CARLA_PROCESS_CONTINUE_CHECK;

  2594. 

  2595.         // --------------------------------------------------------------------------------------------------------

  2596.         // Event Output

  2597. 

  2598.         if (evOut.count > 0 && m_active)

  2599.         {

  2600.             atomQueueOut.lock();

  2601. 

  2602.             for (i=0; i < evOut.count; i++)

  2603.             {

  2604.                 // midi events need the midi port to send events to

  2605.                 if ((evOut.data[i].type & CARLA_EVENT_TYPE_MIDI) > 0 && ! evOut.data[i].port)

  2606.                     continue;

  2607. 

  2608.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2609.                 {

  2610.                     int32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2611.                     int32_t offset = 0;

  2612. 

  2613.                     while (offset < size)

  2614.                     {

  2615.                         qDebug("output event??, offset:%i, size:%i", offset, size);

  2616.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2617. 

  2618.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2619.                             break;

  2620. 

  2621.                         qDebug("output event ------------------------------ YES!");

  2622. 

  2623.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2624.                         {

  2625.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2626.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2627.                         }

  2628.                         else if (aev->body.type == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  2629.                         {

  2630.                             if (! atomQueueOut.isFull())

  2631.                                 atomQueueOut.put(evOut.data[i].rindex, &aev->body);

  2632.                         }

  2633. 

  2634.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2635.                     }

  2636.                 }

  2637.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2638.                 {

  2639.                     const LV2_Event* ev;

  2640.                     LV2_Event_Iterator iter;

  2641. 

  2642.                     uint8_t* data;

  2643.                     lv2_event_begin(&iter, evOut.data[i].event);

  2644. 

  2645.                     for (k=0; k < iter.buf->event_count; k++)

  2646.                     {

  2647.                         ev = lv2_event_get(&iter, &data);

  2648. 

  2649.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2650.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2651. 

  2652.                         lv2_event_increment(&iter);

  2653.                     }

  2654.                 }

  2655.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2656.                 {

  2657.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2658. 

  2659.                     uint32_t eventSize;

  2660.                     double   eventTime;

  2661.                     unsigned char* eventData;

  2662. 

  2663.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2664.                     {

  2665.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2666.                         lv2midi_step(&state);

  2667.                     }

  2668.                 }

  2669.             }

  2670. 

  2671.             atomQueueOut.unlock();

  2672. 

  2673.         } // End of Event Output

  2674. 

  2675.         CARLA_PROCESS_CONTINUE_CHECK;

  2676. 

  2677.         // --------------------------------------------------------------------------------------------------------

  2678.         // Peak Values

  2679. 

  2680.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2681.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2682.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2683.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2684. 

  2685.         m_activeBefore = m_active;

  2686.     }

  2687. 

  2688.     void bufferSizeChanged(const uint32_t newBufferSize)

  2689.     {

  2690.         lv2Options.bufferSize = newBufferSize;

  2691.     }

  2692. 

  2693.     // -------------------------------------------------------------------

  2694.     // Post-poned events

  2695. 

  2696.     void postEventHandleCustom(const int32_t size, const int32_t, const double, const void* const data)

  2697.     {

  2698.         qDebug("Lv2Plugin::postEventHandleCustom(%i, %p)", size, data);

  2699.         Q_ASSERT(ext.worker && ext.worker->work);

  2700. 

  2701.         if (ext.worker && ext.worker->work)

  2702.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  2703.     }

  2704. 

  2705.     void uiParameterChange(const uint32_t index, const double value)

  2706.     {

  2707.         Q_ASSERT(index < param.count);

  2708. 

  2709.         if (index >= param.count)

  2710.             return;

  2711. 

  2712. #ifndef BUILD_BRIDGE

  2713.         if (gui.type == GUI_EXTERNAL_OSC)

  2714.         {

  2715.             if (osc.data.target)

  2716.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2717.         }

  2718.         else

  2719. #endif

  2720.         {

  2721.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2722.             {

  2723.                 float valueF = value;

  2724.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2725.             }

  2726.         }

  2727.     }

  2728. 

  2729.     void uiMidiProgramChange(const uint32_t index)

  2730.     {

  2731.         Q_ASSERT(index < midiprog.count);

  2732. 

  2733.         if (index >= midiprog.count)

  2734.             return;

  2735. 

  2736. #ifndef BUILD_BRIDGE

  2737.         if (gui.type == GUI_EXTERNAL_OSC)

  2738.         {

  2739.             if (osc.data.target)

  2740.                 osc_send_midi_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2741.         }

  2742.         else

  2743. #endif

  2744.         {

  2745.             if (ext.uiprograms)

  2746.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2747.         }

  2748.     }

  2749. 

  2750.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2751.     {

  2752.         Q_ASSERT(channel < 16);

  2753.         Q_ASSERT(note < 128);

  2754.         Q_ASSERT(velo > 0 && velo < 128);

  2755. 

  2756. #ifndef BUILD_BRIDGE

  2757.         if (gui.type == GUI_EXTERNAL_OSC)

  2758.         {

  2759.             if (osc.data.target)

  2760.             {

  2761.                 uint8_t midiData[4] = { 0 };

  2762.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2763.                 midiData[2] = note;

  2764.                 midiData[3] = velo;

  2765.                 osc_send_midi(&osc.data, midiData);

  2766.             }

  2767.         }

  2768.         else

  2769. #endif

  2770.         {

  2771.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2772.             {

  2773.                 LV2_Atom_MidiEvent midiEv;

  2774.                 midiEv.event.time.frames = 0;

  2775.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2776.                 midiEv.event.body.size   = 3;

  2777.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2778.                 midiEv.data[1] = note;

  2779.                 midiEv.data[2] = velo;

  2780. 

  2781.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2782.             }

  2783.         }

  2784.     }

  2785. 

  2786.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2787.     {

  2788.         Q_ASSERT(channel < 16);

  2789.         Q_ASSERT(note < 128);

  2790. 

  2791. #ifndef BUILD_BRIDGE

  2792.         if (gui.type == GUI_EXTERNAL_OSC)

  2793.         {

  2794.             if (osc.data.target)

  2795.             {

  2796.                 uint8_t midiData[4] = { 0 };

  2797.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2798.                 midiData[2] = note;

  2799.                 osc_send_midi(&osc.data, midiData);

  2800.             }

  2801.         }

  2802.         else

  2803. #endif

  2804.         {

  2805.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2806.             {

  2807.                 LV2_Atom_MidiEvent midiEv;

  2808.                 midiEv.event.time.frames = 0;

  2809.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2810.                 midiEv.event.body.size   = 3;

  2811.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2812.                 midiEv.data[1] = note;

  2813.                 midiEv.data[2] = 0;

  2814. 

  2815.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2816.             }

  2817.         }

  2818.     }

  2819. 

  2820.     // -------------------------------------------------------------------

  2821.     // Cleanup

  2822. 

  2823.     void removeClientPorts()

  2824.     {

  2825.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2826. 

  2827.         for (uint32_t i=0; i < evIn.count; i++)

  2828.         {

  2829.             if (evIn.data[i].port)

  2830.             {

  2831.                 delete evIn.data[i].port;

  2832.                 evIn.data[i].port = nullptr;

  2833.             }

  2834.         }

  2835. 

  2836.         for (uint32_t i=0; i < evOut.count; i++)

  2837.         {

  2838.             if (evOut.data[i].port)

  2839.             {

  2840.                 delete evOut.data[i].port;

  2841.                 evOut.data[i].port = nullptr;

  2842.             }

  2843.         }

  2844. 

  2845.         CarlaPlugin::removeClientPorts();

  2846. 

  2847.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2848.     }

  2849. 

  2850.     void initBuffers()

  2851.     {

  2852.         uint32_t i;

  2853. 

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

  2855.         {

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

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

  2858.         }

  2859. 

  2860.         for (uint32_t i=0; i < evOut.count; i++)

  2861.         {

  2862.             if (evOut.data[i].port)

  2863.                 evOut.data[i].port->initBuffer(x_engine);

  2864.         }

  2865. 

  2866.         CarlaPlugin::initBuffers();

  2867.     }

  2868. 

  2869.     void deleteBuffers()

  2870.     {

  2871.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2872. 

  2873.         if (evIn.count > 0)

  2874.         {

  2875.             for (uint32_t i=0; i < evIn.count; i++)

  2876.             {

  2877.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2878.                 {

  2879.                     free(evIn.data[i].atom);

  2880.                 }

  2881.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2882.                 {

  2883.                     free(evIn.data[i].event);

  2884.                 }

  2885.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2886.                 {

  2887.                     delete[] evIn.data[i].midi->data;

  2888.                     delete evIn.data[i].midi;

  2889.                 }

  2890.             }

  2891. 

  2892.             delete[] evIn.data;

  2893.         }

  2894. 

  2895.         if (evOut.count > 0)

  2896.         {

  2897.             for (uint32_t i=0; i < evOut.count; i++)

  2898.             {

  2899.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2900.                 {

  2901.                     free(evOut.data[i].atom);

  2902.                 }

  2903.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2904.                 {

  2905.                     free(evOut.data[i].event);

  2906.                 }

  2907.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2908.                 {

  2909.                     delete[] evOut.data[i].midi->data;

  2910.                     delete evOut.data[i].midi;

  2911.                 }

  2912.             }

  2913. 

  2914.             delete[] evOut.data;

  2915.         }

  2916. 

  2917.         if (param.count > 0)

  2918.             delete[] paramBuffers;

  2919. 

  2920.         evIn.count = 0;

  2921.         evIn.data  = nullptr;

  2922. 

  2923.         evOut.count = 0;

  2924.         evOut.data  = nullptr;

  2925. 

  2926.         paramBuffers = nullptr;

  2927. 

  2928.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2929.     }

  2930. 

  2931.     // -------------------------------------------------------------------

  2932. 

  2933.     uint32_t getCustomURID(const char* const uri)

  2934.     {

  2935.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2936.         Q_ASSERT(uri);

  2937. 

  2938.         if (! uri)

  2939.             return CARLA_URI_MAP_ID_NULL;

  2940. 

  2941.         for (size_t i=0; i < customURIDs.size(); i++)

  2942.         {

  2943.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2944.                 return i;

  2945.         }

  2946. 

  2947.         customURIDs.push_back(strdup(uri));

  2948. 

  2949.         return customURIDs.size()-1;

  2950.     }

  2951. 

  2952.     const char* getCustomURIString(const LV2_URID urid) const

  2953.     {

  2954.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2955.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2956. 

  2957.         if (urid == CARLA_URI_MAP_ID_NULL)

  2958.             return nullptr;

  2959.         if (urid < customURIDs.size())

  2960.             return customURIDs[urid];

  2961. 

  2962.         return nullptr;

  2963.     }

  2964. 

  2965.     // -------------------------------------------------------------------

  2966. 

  2967.     void handleTransferAtom(const int32_t portIndex, const LV2_Atom* const atom)

  2968.     {

  2969.         qDebug("Lv2Plugin::handleTransferAtom(%i, %p)", portIndex, atom);

  2970.         Q_ASSERT(portIndex >= 0);

  2971.         Q_ASSERT(atom);

  2972. 

  2973.         atomQueueIn.put(portIndex, atom);

  2974.     }

  2975. 

  2976.     void handleTransferEvent(const int32_t portIndex, const LV2_Atom* const atom)

  2977.     {

  2978.         qDebug("Lv2Plugin::handleTransferEvent(%i, %p)", portIndex, atom);

  2979.         Q_ASSERT(portIndex >= 0);

  2980.         Q_ASSERT(atom);

  2981. 

  2982.         atomQueueIn.put(portIndex, atom);

  2983.     }

  2984. 

  2985.     // -------------------------------------------------------------------

  2986. 

  2987.     void handleProgramChanged(const int32_t index)

  2988.     {

  2989.         if (index == -1)

  2990.         {

  2991.             const CarlaPlugin::ScopedDisabler m(this);

  2992.             reloadPrograms(false);

  2993.         }

  2994.         else

  2995.         {

  2996.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  2997.             {

  2998.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  2999.                 Q_ASSERT(progName);

  3000. 

  3001.                 if (prog.names[index])

  3002.                     free((void*)prog.names[index]);

  3003. 

  3004.                 prog.names[index] = strdup(progName);

  3005.             }

  3006.         }

  3007. 

  3008.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  3009.     }

  3010. 

  3011.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  3012.     {

  3013.         Q_ASSERT(key > 0);

  3014.         Q_ASSERT(value);

  3015. 

  3016.         CustomDataType dtype;

  3017.         const char* const uriKey = getCustomURIString(key);

  3018. 

  3019.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3020.             dtype = CUSTOM_DATA_CHUNK;

  3021.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  3022.             dtype = CUSTOM_DATA_PATH;

  3023.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  3024.             dtype = CUSTOM_DATA_STRING;

  3025.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  3026.             dtype = CUSTOM_DATA_BINARY;

  3027.         else

  3028.             dtype = CUSTOM_DATA_INVALID;

  3029. 

  3030.         // do basic checks

  3031.         if (! uriKey)

  3032.         {

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

  3034.             return LV2_STATE_ERR_NO_PROPERTY;

  3035.         }

  3036. 

  3037.         if (! flags & LV2_STATE_IS_POD)

  3038.         {

  3039.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  3040.             return LV2_STATE_ERR_BAD_FLAGS;

  3041.         }

  3042. 

  3043.         if (dtype == CUSTOM_DATA_INVALID)

  3044.         {

  3045.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  3046.             return LV2_STATE_ERR_BAD_TYPE;

  3047.         }

  3048. 

  3049.         // Check if we already have this key

  3050.         for (size_t i=0; i < custom.size(); i++)

  3051.         {

  3052.             if (strcmp(custom[i].key, uriKey) == 0)

  3053.             {

  3054.                 free((void*)custom[i].value);

  3055. 

  3056.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3057.                     custom[i].value = strdup((const char*)value);

  3058.                 else

  3059.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3060. 

  3061.                 return LV2_STATE_SUCCESS;

  3062.             }

  3063.         }

  3064. 

  3065.         // Otherwise store it

  3066.         CustomData newData;

  3067.         newData.type = dtype;

  3068.         newData.key  = strdup(uriKey);

  3069. 

  3070.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3071.             newData.value = strdup((const char*)value);

  3072.         else

  3073.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3074. 

  3075.         custom.push_back(newData);

  3076. 

  3077.         return LV2_STATE_SUCCESS;

  3078.     }

  3079. 

  3080.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  3081.     {

  3082.         Q_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  3083. 

  3084.         const char* const uriKey = getCustomURIString(key);

  3085. 

  3086.         if (! uriKey)

  3087.         {

  3088.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  3089.             return nullptr;

  3090.         }

  3091. 

  3092.         const char* stringData = nullptr;

  3093.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  3094. 

  3095.         for (size_t i=0; i < custom.size(); i++)

  3096.         {

  3097.             if (strcmp(custom[i].key, uriKey) == 0)

  3098.             {

  3099.                 dtype      = custom[i].type;

  3100.                 stringData = custom[i].value;

  3101.                 break;

  3102.             }

  3103.         }

  3104. 

  3105.         if (! stringData)

  3106.         {

  3107.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  3108.             return nullptr;

  3109.         }

  3110. 

  3111.         *size  = 0;

  3112.         *type  = 0;

  3113.         *flags = LV2_STATE_IS_POD;

  3114. 

  3115.         if (dtype == CUSTOM_DATA_STRING)

  3116.         {

  3117.             *size = strlen(stringData);

  3118.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  3119.             return stringData;

  3120.         }

  3121.         if (dtype == CUSTOM_DATA_PATH)

  3122.         {

  3123.             *size = strlen(stringData);

  3124.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  3125.             return stringData;

  3126.         }

  3127.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  3128.         {

  3129.             static QByteArray chunk;

  3130.             chunk = QByteArray::fromBase64(stringData);

  3131. 

  3132.             *size = chunk.size();

  3133.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  3134.             return chunk.constData();

  3135.         }

  3136. 

  3137.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  3138.         return nullptr;

  3139.     }

  3140. 

  3141.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  3142.     {

  3143.         if (! ext.worker)

  3144.         {

  3145.             qWarning("Lv2Plugin::handleWorkerSchedule(%i, %p) - plugin has no worker", size, data);

  3146.             return LV2_WORKER_ERR_UNKNOWN;

  3147.         }

  3148. 

  3149.         if (x_engine->isOffline())

  3150.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  3151.         else

  3152.             postponeEvent(PluginPostEventCustom, size, 0, 0.0, data);

  3153. 

  3154.         return LV2_WORKER_SUCCESS;

  3155.     }

  3156. 

  3157.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  3158.     {

  3159.         LV2_Atom_Worker workerAtom;

  3160.         workerAtom.atom.type = CARLA_URI_MAP_ID_ATOM_WORKER;

  3161.         workerAtom.atom.size = sizeof(LV2_Atom_Worker_Body);

  3162.         workerAtom.body.size = size;

  3163.         workerAtom.body.data = data;

  3164. 

  3165.         atomQueueIn.put(0, (const LV2_Atom*)&workerAtom);

  3166. 

  3167.         return LV2_WORKER_SUCCESS;

  3168.     }

  3169. 

  3170.     void handleExternalUiClosed()

  3171.     {

  3172.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3173.             ui.descriptor->cleanup(ui.handle);

  3174. 

  3175.         ui.handle = nullptr;

  3176.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3177.     }

  3178. 

  3179.     uint32_t handleUiPortMap(const char* const symbol)

  3180.     {

  3181.         Q_ASSERT(symbol);

  3182. 

  3183.         if (! symbol)

  3184.             return LV2UI_INVALID_PORT_INDEX;

  3185. 

  3186.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3187.         {

  3188.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3189.                 return i;

  3190.         }

  3191. 

  3192.         return LV2UI_INVALID_PORT_INDEX;

  3193.     }

  3194. 

  3195.     int handleUiResize(const int width, const int height)

  3196.     {

  3197.         Q_ASSERT(width > 0);

  3198.         Q_ASSERT(height > 0);

  3199. 

  3200.         if (width <= 0 || height <= 0)

  3201.             return 1;

  3202. 

  3203.         gui.width  = width;

  3204.         gui.height = height;

  3205.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3206. 

  3207.         return 0;

  3208.     }

  3209. 

  3210.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3211.     {

  3212.         if (format == 0)

  3213.         {

  3214.             Q_ASSERT(buffer);

  3215.             Q_ASSERT(bufferSize == sizeof(float));

  3216. 

  3217.             if (bufferSize != sizeof(float))

  3218.                 return;

  3219. 

  3220.             float value = *(float*)buffer;

  3221. 

  3222.             for (uint32_t i=0; i < param.count; i++)

  3223.             {

  3224.                 if (param.data[i].rindex == (int32_t)rindex)

  3225.                     return setParameterValue(i, value, false, true, true);

  3226.             }

  3227.         }

  3228.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3229.         {

  3230.             Q_ASSERT(buffer);

  3231. 

  3232.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3233.             handleTransferAtom(rindex, atom);

  3234.         }

  3235.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3236.         {

  3237.             Q_ASSERT(buffer);

  3238. 

  3239.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3240.             handleTransferEvent(rindex, atom);

  3241.         }

  3242.     }

  3243. 

  3244.     // -------------------------------------------------------------------

  3245. 

  3246. #ifndef BUILD_BRIDGE

  3247.     bool isUiBridgeable(const uint32_t uiId)

  3248.     {

  3249.         Q_ASSERT(rdf_descriptor);

  3250.         Q_ASSERT(uiId < rdf_descriptor->UICount);

  3251. 

  3252.         if (uiId >= rdf_descriptor->UICount)

  3253.             return false;

  3254. 

  3255.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3256. 

  3257.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3258.         {

  3259.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3260.                 return false;

  3261.         }

  3262. 

  3263.         return true;

  3264.     }

  3265. #endif

  3266. 

  3267.     bool isUiResizable()

  3268.     {

  3269.         Q_ASSERT(ui.rdf_descriptor);

  3270. 

  3271.         if (! ui.rdf_descriptor)

  3272.             return false;

  3273. 

  3274.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3275.         {

  3276.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3277.                 return false;

  3278.         }

  3279. 

  3280.         return true;

  3281.     }

  3282. 

  3283.     void initExternalUi()

  3284.     {

  3285.         qDebug("Lv2Plugin::initExternalUi()");

  3286. 

  3287.         ui.widget = nullptr;

  3288.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3289. 

  3290.         if (ui.handle && ui.widget)

  3291.         {

  3292.             updateUi();

  3293.         }

  3294.         else

  3295.         {

  3296.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3297.             ui.handle = nullptr;

  3298.             ui.widget = nullptr;

  3299.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3300.         }

  3301.     }

  3302. 

  3303.     void uiTransferCustomData(const CustomData* const cdata)

  3304.     {

  3305.         if (cdata->type == CUSTOM_DATA_INVALID || ! (ui.handle && ui.descriptor && ui.descriptor->port_event))

  3306.             return;

  3307. 

  3308.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3309.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3310.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3311. 

  3312.         Sratom* const sratom = sratom_new(URID_Map);

  3313.         SerdChunk     chunk  = { nullptr, 0 };

  3314. 

  3315.         LV2_Atom_Forge forge;

  3316.         lv2_atom_forge_init(&forge, URID_Map);

  3317.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3318. 

  3319.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3320.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3321. 

  3322.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3323.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3324. 

  3325.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3326. 

  3327.         if (cdata->type == CUSTOM_DATA_STRING)

  3328.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3329.         else if (cdata->type == CUSTOM_DATA_PATH)

  3330.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3331.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3332.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3333.         else

  3334.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3335. 

  3336.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3337.         lv2_atom_forge_pop(&forge, &refFrame);

  3338. 

  3339.         uint32_t portIndex = evIn.count > 0 ? evIn.data[0].rindex : 0;

  3340. 

  3341.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3342.         ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3343. 

  3344.         free((void*)chunk.buf);

  3345.         sratom_free(sratom);

  3346.     }

  3347. 

  3348.     void updateUi()

  3349.     {

  3350.         ext.uiprograms = nullptr;

  3351. 

  3352.         if (ui.handle && ui.descriptor)

  3353.         {

  3354.             if (ui.descriptor->extension_data)

  3355.             {

  3356.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3357. 

  3358.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3359.                     // invalid

  3360.                     ext.uiprograms = nullptr;

  3361. 

  3362.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3363.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3364.             }

  3365. 

  3366.             if (ui.descriptor->port_event)

  3367.             {

  3368.                 // update control ports

  3369.                 float valueF;

  3370.                 for (uint32_t i=0; i < param.count; i++)

  3371.                 {

  3372.                     valueF = getParameterValue(i);

  3373.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), CARLA_URI_MAP_ID_NULL, &valueF);

  3374.                 }

  3375.             }

  3376.         }

  3377.     }

  3378. 

  3379.     // ----------------- Event Feature ---------------------------------------------------

  3380. 

  3381.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3382.     {

  3383.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3384.         Q_ASSERT(callback_data);

  3385.         Q_ASSERT(event);

  3386. 

  3387.         return 0;

  3388.     }

  3389. 

  3390.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3391.     {

  3392.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3393.         Q_ASSERT(callback_data);

  3394.         Q_ASSERT(event);

  3395. 

  3396.         return 0;

  3397.     }

  3398. 

  3399.     // ----------------- Logs Feature ----------------------------------------------------

  3400. 

  3401.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3402.     {

  3403.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3404.         Q_ASSERT(handle);

  3405.         Q_ASSERT(type > 0);

  3406. 

  3407. #ifndef DEBUG

  3408.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3409.             return 0;

  3410. #endif

  3411. 

  3412.         va_list args;

  3413.         va_start(args, fmt);

  3414.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3415.         va_end(args);

  3416. 

  3417.         return ret;

  3418.     }

  3419. 

  3420.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3421.     {

  3422.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3423.         Q_ASSERT(handle);

  3424.         Q_ASSERT(type > 0);

  3425. 

  3426. #ifndef DEBUG

  3427.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3428.             return 0;

  3429. #endif

  3430. 

  3431.         char buf[8196];

  3432.         vsprintf(buf, fmt, ap);

  3433. 

  3434.         if (*buf == 0)

  3435.             return 0;

  3436. 

  3437.         switch (type)

  3438.         {

  3439.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3440.             qCritical("%s", buf);

  3441.             break;

  3442.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3443.             printf("%s\n", buf);

  3444.             break;

  3445.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3446.             qDebug("%s", buf);

  3447.             break;

  3448.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3449.             qWarning("%s", buf);

  3450.             break;

  3451.         default:

  3452.             break;

  3453.         }

  3454. 

  3455.         return strlen(buf);

  3456.     }

  3457. 

  3458.     // ----------------- Programs Feature ------------------------------------------------

  3459. 

  3460.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3461.     {

  3462.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3463.         Q_ASSERT(handle);

  3464. 

  3465.         if (! handle)

  3466.             return;

  3467. 

  3468.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3469.         plugin->handleProgramChanged(index);

  3470.     }

  3471. 

  3472.     // ----------------- State Feature ---------------------------------------------------

  3473. 

  3474.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3475.     {

  3476.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3477.         Q_ASSERT(handle);

  3478.         Q_ASSERT(path);

  3479. 

  3480.         if (! path)

  3481.             return nullptr;

  3482. 

  3483.         QDir dir;

  3484.         dir.mkpath(path);

  3485.         return strdup(path);

  3486.     }

  3487. 

  3488.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3489.     {

  3490.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3491.         Q_ASSERT(handle);

  3492.         Q_ASSERT(absolute_path);

  3493. 

  3494.         if (! absolute_path)

  3495.             return nullptr;

  3496. 

  3497.         QDir dir(absolute_path);

  3498.         return strdup(dir.canonicalPath().toUtf8().constData());

  3499.     }

  3500. 

  3501.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3502.     {

  3503.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3504.         Q_ASSERT(handle);

  3505.         Q_ASSERT(abstract_path);

  3506. 

  3507.         if (! abstract_path)

  3508.             return nullptr;

  3509. 

  3510.         QDir dir(abstract_path);

  3511.         return strdup(dir.absolutePath().toUtf8().constData());

  3512.     }

  3513. 

  3514.     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)

  3515.     {

  3516.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3517.         Q_ASSERT(handle);

  3518. 

  3519.         if (! handle)

  3520.             return LV2_STATE_ERR_UNKNOWN;

  3521. 

  3522.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3523.         return plugin->handleStateStore(key, value, size, type, flags);

  3524.     }

  3525. 

  3526.     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)

  3527.     {

  3528.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3529.         Q_ASSERT(handle);

  3530. 

  3531.         if (! handle)

  3532.             return nullptr;

  3533. 

  3534.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3535.         return plugin->handleStateRetrieve(key, size, type, flags);

  3536.     }

  3537. 

  3538.     // ----------------- URI-Map Feature -------------------------------------------------

  3539. 

  3540.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3541.     {

  3542.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3543.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3544.     }

  3545. 

  3546.     // ----------------- URID Feature ----------------------------------------------------

  3547. 

  3548.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3549.     {

  3550.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3551.         Q_ASSERT(handle);

  3552.         Q_ASSERT(uri);

  3553. 

  3554.         if (! uri)

  3555.             return CARLA_URI_MAP_ID_NULL;

  3556. 

  3557.         // Atom types

  3558.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3559.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3560.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3561.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3562.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3563.             return CARLA_URI_MAP_ID_ATOM_INT;

  3564.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3565.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3566.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3567.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3568.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3569.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3570.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3571.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3572.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3573.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3574. 

  3575.         // BufSize types

  3576.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3577.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3578.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3579.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3580.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3581.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3582. 

  3583.         // Log types

  3584.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3585.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3586.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3587.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3588.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3589.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3590.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3591.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3592. 

  3593.         // Others

  3594.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3595.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3596.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3597.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3598. 

  3599.         if (! handle)

  3600.             return CARLA_URI_MAP_ID_NULL;

  3601. 

  3602.         // Custom types

  3603.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3604.         return plugin->getCustomURID(uri);

  3605.     }

  3606. 

  3607.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3608.     {

  3609.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3610.         Q_ASSERT(handle);

  3611.         Q_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3612. 

  3613.         if (urid == CARLA_URI_MAP_ID_NULL)

  3614.             return nullptr;

  3615. 

  3616.         // Atom types

  3617.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3618.             return LV2_ATOM__Chunk;

  3619.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3620.             return LV2_ATOM__Double;

  3621.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3622.             return LV2_ATOM__Int;

  3623.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3624.             return LV2_ATOM__Path;

  3625.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3626.             return LV2_ATOM__Sequence;

  3627.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3628.             return LV2_ATOM__String;

  3629.         if (urid == CARLA_URI_MAP_ID_ATOM_WORKER)

  3630.             return nullptr; // not a valid URID, only used internally

  3631.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3632.             return LV2_ATOM__atomTransfer;

  3633.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3634.             return LV2_ATOM__eventTransfer;

  3635. 

  3636.         // BufSize types

  3637.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3638.             return LV2_BUF_SIZE__maxBlockLength;

  3639.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3640.             return LV2_BUF_SIZE__minBlockLength;

  3641.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3642.             return LV2_BUF_SIZE__sequenceSize;

  3643. 

  3644.         // Log types

  3645.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3646.             return LV2_LOG__Error;

  3647.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3648.             return LV2_LOG__Note;

  3649.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3650.             return LV2_LOG__Trace;

  3651.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3652.             return LV2_LOG__Warning;

  3653. 

  3654.         // Others

  3655.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3656.             return LV2_MIDI__MidiEvent;

  3657.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3658.             return LV2_PARAMETERS__sampleRate;

  3659. 

  3660.         if (! handle)

  3661.             return nullptr;

  3662. 

  3663.         // Custom types

  3664.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3665.         return plugin->getCustomURIString(urid);

  3666.     }

  3667. 

  3668.     // ----------------- Worker Feature --------------------------------------------------

  3669. 

  3670.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3671.     {

  3672.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3673.         Q_ASSERT(handle);

  3674. 

  3675.         if (! handle)

  3676.             return LV2_WORKER_ERR_UNKNOWN;

  3677. 

  3678.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3679.         return plugin->handleWorkerSchedule(size, data);

  3680.     }

  3681. 

  3682.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3683.     {

  3684.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3685.         Q_ASSERT(handle);

  3686. 

  3687.         if (! handle)

  3688.             return LV2_WORKER_ERR_UNKNOWN;

  3689. 

  3690.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3691.         return plugin->handleWorkerRespond(size, data);

  3692.     }

  3693. 

  3694.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3695. 

  3696.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3697.     {

  3698.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3699.         Q_ASSERT(handle);

  3700. 

  3701.         if (! handle)

  3702.             return LV2UI_INVALID_PORT_INDEX;

  3703. 

  3704.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3705.         return plugin->handleUiPortMap(symbol);

  3706.     }

  3707. 

  3708.     // ----------------- UI Resize Feature -----------------------------------------------

  3709. 

  3710.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3711.     {

  3712.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3713.         Q_ASSERT(handle);

  3714. 

  3715.         if (! handle)

  3716.             return 1;

  3717. 

  3718.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3719.         return plugin->handleUiResize(width, height);

  3720.     }

  3721. 

  3722.     // ----------------- External UI Feature ---------------------------------------------

  3723. 

  3724.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3725.     {

  3726.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3727.         Q_ASSERT(controller);

  3728. 

  3729.         if (! controller)

  3730.             return;

  3731. 

  3732.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3733.         plugin->handleExternalUiClosed();

  3734.     }

  3735. 

  3736.     // ----------------- UI Extension ----------------------------------------------------

  3737. 

  3738.     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)

  3739.     {

  3740.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3741.         Q_ASSERT(controller);

  3742. 

  3743.         if (! controller)

  3744.             return;

  3745. 

  3746.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3747.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3748.     }

  3749. 

  3750.     // -------------------------------------------------------------------

  3751. 

  3752.     bool uiLibOpen(const char* const filename)

  3753.     {

  3754.         ui.lib = lib_open(filename);

  3755.         return bool(ui.lib);

  3756.     }

  3757. 

  3758.     bool uiLibClose()

  3759.     {

  3760.         if (ui.lib)

  3761.             return lib_close(ui.lib);

  3762.         return false;

  3763.     }

  3764. 

  3765.     void* uiLibSymbol(const char* const symbol)

  3766.     {

  3767.         if (ui.lib)

  3768.             return lib_symbol(ui.lib, symbol);

  3769.         return nullptr;

  3770.     }

  3771. 

  3772.     // -------------------------------------------------------------------

  3773. 

  3774.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3775.     {

  3776.         // ---------------------------------------------------------------

  3777.         // get plugin from lv2_rdf (lilv)

  3778. 

  3779.         rdf_descriptor = lv2_rdf_new(URI);

  3780. 

  3781.         if (! rdf_descriptor)

  3782.         {

  3783.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3784.             return false;

  3785.         }

  3786. 

  3787.         // ---------------------------------------------------------------

  3788.         // open DLL

  3789. 

  3790.         if (! libOpen(rdf_descriptor->Binary))

  3791.         {

  3792.             setLastError(libError(rdf_descriptor->Binary));

  3793.             return false;

  3794.         }

  3795. 

  3796.         // ---------------------------------------------------------------

  3797.         // get DLL main entry

  3798. 

  3799.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3800. 

  3801.         if (! descFn)

  3802.         {

  3803.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3804.             return false;

  3805.         }

  3806. 

  3807.         // ---------------------------------------------------------------

  3808.         // get descriptor that matches URI

  3809. 

  3810.         uint32_t i = 0;

  3811.         while ((descriptor = descFn(i++)))

  3812.         {

  3813.             if (strcmp(descriptor->URI, URI) == 0)

  3814.                 break;

  3815.         }

  3816. 

  3817.         if (! descriptor)

  3818.         {

  3819.             setLastError("Could not find the requested plugin URI in the plugin library");

  3820.             return false;

  3821.         }

  3822. 

  3823.         // ---------------------------------------------------------------

  3824.         // check supported port-types and features

  3825. 

  3826.         bool canContinue = true;

  3827. 

  3828.         // Check supported ports

  3829.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3830.         {

  3831.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3832.             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)))

  3833.             {

  3834.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3835.                 {

  3836.                     setLastError("Plugin requires a port that is not currently supported");

  3837.                     canContinue = false;

  3838.                     break;

  3839.                 }

  3840.             }

  3841.         }

  3842. 

  3843.         // Check supported features

  3844.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3845.         {

  3846.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3847.             {

  3848.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3849.                 setLastError(msg.toUtf8().constData());

  3850.                 canContinue = false;

  3851.                 break;

  3852.             }

  3853.         }

  3854. 

  3855.         // Check extensions

  3856.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3857.         {

  3858.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3859.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3860.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3861.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3862.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3863.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3864.             else

  3865.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3866.         }

  3867. 

  3868.         if (! canContinue)

  3869.         {

  3870.             // error already set

  3871.             return false;

  3872.         }

  3873. 

  3874.         // ---------------------------------------------------------------

  3875.         // initialize features

  3876. 

  3877.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3878.         eventFt->callback_data           = this;

  3879.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3880.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3881. 

  3882.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3883.         logFt->handle                    = this;

  3884.         logFt->printf                    = carla_lv2_log_printf;

  3885.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3886. 

  3887.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3888.         programsFt->handle                         = this;

  3889.         programsFt->program_changed                = carla_lv2_program_changed;

  3890. 

  3891.         LV2_RtMemPool_Pool* const rtMemPoolFt      = new LV2_RtMemPool_Pool;

  3892.         rtmempool_allocator_init(rtMemPoolFt);

  3893. 

  3894.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3895.         stateMakePathFt->handle                    = this;

  3896.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3897. 

  3898.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3899.         stateMapPathFt->handle                     = this;

  3900.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3901.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3902. 

  3903.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3904.         uriMapFt->callback_data             = this;

  3905.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3906. 

  3907.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3908.         uridMapFt->handle                   = this;

  3909.         uridMapFt->map                      = carla_lv2_urid_map;

  3910. 

  3911.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3912.         uridUnmapFt->handle                 = this;

  3913.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3914. 

  3915.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3916.         workerFt->handle                    = this;

  3917.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3918. 

  3919.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3920.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3921.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3922.         optionsFt[2] = lv2Options.oSequenceSize;

  3923.         optionsFt[3] = lv2Options.oSampleRate;

  3924.         optionsFt[4] = lv2Options.oNull;

  3925. 

  3926.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3927.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3928.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3929. 

  3930. #ifndef BUILD_BRIDGE

  3931.         if (carlaOptions.processHighPrecision)

  3932.         {

  3933.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3934.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3935.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3936. 

  3937.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3938.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3939.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3940.         }

  3941.         else

  3942. #endif

  3943.         {

  3944.             // fake, used to keep a valid array

  3945.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3946.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3947.         }

  3948. 

  3949.         features[lv2_feature_id_event]          = new LV2_Feature;

  3950.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3951.         features[lv2_feature_id_event]->data    = eventFt;

  3952. 

  3953.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3954.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3955.         features[lv2_feature_id_logs]->data     = logFt;

  3956. 

  3957.         features[lv2_feature_id_options]        = new LV2_Feature;

  3958.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3959.         features[lv2_feature_id_options]->data  = optionsFt;

  3960. 

  3961.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3962.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3963.         features[lv2_feature_id_programs]->data = programsFt;

  3964. 

  3965.         features[lv2_feature_id_rtmempool]       = new LV2_Feature;

  3966.         features[lv2_feature_id_rtmempool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  3967.         features[lv2_feature_id_rtmempool]->data = rtMemPoolFt;

  3968. 

  3969.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3970.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3971.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3972. 

  3973.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3974.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3975.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3976. 

  3977.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3978.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3979.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3980. 

  3981.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3982.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3983.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3984. 

  3985.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3986.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  3987.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  3988. 

  3989.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  3990.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  3991.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  3992. 

  3993.         features[lv2_feature_id_worker]           = new LV2_Feature;

  3994.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  3995.         features[lv2_feature_id_worker]->data     = workerFt;

  3996. 

  3997.         // ---------------------------------------------------------------

  3998.         // initialize plugin

  3999. 

  4000.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  4001. 

  4002.         if (! handle)

  4003.         {

  4004.             setLastError("Plugin failed to initialize");

  4005.             return false;

  4006.         }

  4007. 

  4008.         // ---------------------------------------------------------------

  4009.         // get info

  4010. 

  4011.         m_filename = strdup(bundle);

  4012. 

  4013.         if (name)

  4014.             m_name = x_engine->getUniqueName(name);

  4015.         else

  4016.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  4017. 

  4018.         // ---------------------------------------------------------------

  4019.         // register client

  4020. 

  4021.         x_client = x_engine->addClient(this);

  4022. 

  4023.         if (! x_client->isOk())

  4024.         {

  4025.             setLastError("Failed to register plugin client");

  4026.             return false;

  4027.         }

  4028. 

  4029.         // ---------------------------------------------------------------

  4030.         // gui stuff

  4031. 

  4032.         if (rdf_descriptor->UICount == 0)

  4033.             return true;

  4034. 

  4035.         // -----------------------------------------------------------

  4036.         // find more appropriate ui

  4037. 

  4038.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  4039.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  4040. 

  4041.         for (i=0; i < rdf_descriptor->UICount; i++)

  4042.         {

  4043.             switch (rdf_descriptor->UIs[i].Type)

  4044.             {

  4045.             case LV2_UI_QT4:

  4046. #ifndef BUILD_BRIDGE

  4047.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4048.                     eQt4 = i;

  4049. #endif

  4050.                 iQt4 = i;

  4051.                 break;

  4052. 

  4053.             case LV2_UI_COCOA:

  4054. #ifndef BUILD_BRIDGE

  4055.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4056.                     eCocoa = i;

  4057. #endif

  4058.                 iCocoa = i;

  4059.                 break;

  4060. 

  4061.             case LV2_UI_WINDOWS:

  4062. #ifndef BUILD_BRIDGE

  4063.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4064.                     eHWND = i;

  4065. #endif

  4066.                 iHWND = i;

  4067.                 break;

  4068. 

  4069.             case LV2_UI_X11:

  4070. #ifndef BUILD_BRIDGE

  4071.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4072.                     eX11 = i;

  4073. #endif

  4074.                 iX11 = i;

  4075.                 break;

  4076. 

  4077.             case LV2_UI_GTK2:

  4078. #ifdef BUILD_BRIDGE

  4079.                 if (false)

  4080. #else

  4081. #  ifdef HAVE_SUIL

  4082.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4083. #  else

  4084.                 if (isUiBridgeable(i))

  4085. #  endif

  4086. #endif

  4087.                     eGtk2 = i;

  4088. #ifdef HAVE_SUIL

  4089.                 iSuil = i;

  4090. #endif

  4091.                 break;

  4092. 

  4093. #ifndef BUILD_BRIDGE

  4094.             case LV2_UI_GTK3:

  4095.                 if (isUiBridgeable(i))

  4096.                     eGtk3 = i;

  4097.                 break;

  4098. #endif

  4099. 

  4100.             case LV2_UI_EXTERNAL:

  4101.             case LV2_UI_OLD_EXTERNAL:

  4102.                 iExt = i;

  4103.                 break;

  4104. 

  4105.             default:

  4106.                 break;

  4107.             }

  4108.         }

  4109. 

  4110.         if (eQt4 >= 0)

  4111.             iFinal = eQt4;

  4112.         else if (eCocoa >= 0)

  4113.             iFinal = eCocoa;

  4114.         else if (eHWND >= 0)

  4115.             iFinal = eHWND;

  4116.         else if (eX11 >= 0)

  4117.             iFinal = eX11;

  4118.         else if (eGtk2 >= 0)

  4119.             iFinal = eGtk2;

  4120.         else if (eGtk3 >= 0)

  4121.             iFinal = eGtk3;

  4122.         else if (iQt4 >= 0)

  4123.             iFinal = iQt4;

  4124.         else if (iCocoa >= 0)

  4125.             iFinal = iCocoa;

  4126.         else if (iHWND >= 0)

  4127.             iFinal = iHWND;

  4128.         else if (iX11 >= 0)

  4129.             iFinal = iX11;

  4130.         else if (iExt >= 0)

  4131.             iFinal = iExt;

  4132.         else if (iSuil >= 0)

  4133.             iFinal = iSuil;

  4134. 

  4135. #ifndef BUILD_BRIDGE

  4136.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  4137. #endif

  4138. #ifdef HAVE_SUIL

  4139.         const bool isSuil = (iFinal == iSuil && !isBridged);

  4140. #endif

  4141. 

  4142.         if (iFinal < 0)

  4143.         {

  4144.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  4145.             return true;

  4146.         }

  4147. 

  4148.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  4149. 

  4150.         // -----------------------------------------------------------

  4151.         // check supported ui features

  4152. 

  4153.         canContinue = true;

  4154. 

  4155.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  4156.         {

  4157.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4158.             {

  4159.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4160.                 canContinue = false;

  4161.                 break;

  4162.             }

  4163.         }

  4164. 

  4165.         if (! canContinue)

  4166.         {

  4167.             ui.rdf_descriptor = nullptr;

  4168.             return true;

  4169.         }

  4170. 

  4171. #ifdef HAVE_SUIL

  4172.         if (isSuil)

  4173.         {

  4174.             // -------------------------------------------------------

  4175.             // init suil host

  4176. 

  4177.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4178.         }

  4179.         else

  4180. #endif

  4181.         {

  4182.             // -------------------------------------------------------

  4183.             // open DLL

  4184. 

  4185.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4186.             {

  4187.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4188.                 ui.rdf_descriptor = nullptr;

  4189.                 return true;

  4190.             }

  4191. 

  4192.             // -------------------------------------------------------

  4193.             // get DLL main entry

  4194. 

  4195.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4196. 

  4197.             if (! ui_descFn)

  4198.             {

  4199.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4200.                 uiLibClose();

  4201.                 ui.lib = nullptr;

  4202.                 ui.rdf_descriptor = nullptr;

  4203.                 return true;

  4204.             }

  4205. 

  4206.             // -------------------------------------------------------

  4207.             // get descriptor that matches URI

  4208. 

  4209.             i = 0;

  4210.             while ((ui.descriptor = ui_descFn(i++)))

  4211.             {

  4212.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4213.                     break;

  4214.             }

  4215. 

  4216.             if (! ui.descriptor)

  4217.             {

  4218.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4219.                 uiLibClose();

  4220.                 ui.lib = nullptr;

  4221.                 ui.rdf_descriptor = nullptr;

  4222.                 return true;

  4223.             }

  4224.         }

  4225. 

  4226.         // -----------------------------------------------------------

  4227.         // initialize ui according to type

  4228. 

  4229.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4230. 

  4231. #ifndef BUILD_BRIDGE

  4232.         if (isBridged)

  4233.         {

  4234.             // -------------------------------------------------------

  4235.             // initialize ui bridge

  4236. 

  4237.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4238.             {

  4239.                 gui.type = GUI_EXTERNAL_OSC;

  4240.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4241.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4242.             }

  4243.         }

  4244.         else

  4245. #endif

  4246.         {

  4247.             // -------------------------------------------------------

  4248.             // initialize ui features

  4249. 

  4250.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4251. 

  4252.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4253.             uiDataFt->data_access                      = descriptor->extension_data;

  4254. 

  4255.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4256.             uiPortMapFt->handle               = this;

  4257.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4258. 

  4259.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4260.             uiResizeFt->handle                = this;

  4261.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4262. 

  4263.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4264.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4265.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4266. 

  4267.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4268.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4269.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4270. 

  4271.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4272.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4273.             features[lv2_feature_id_instance_access]->data = handle;

  4274. 

  4275.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4276.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4277.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4278. 

  4279.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4280.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4281.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4282. 

  4283.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4284.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4285.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4286. 

  4287.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4288.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4289.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4290. 

  4291.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4292.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4293.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4294. 

  4295.             // -------------------------------------------------------

  4296.             // initialize ui

  4297. 

  4298.             switch (uiType)

  4299.             {

  4300.             case LV2_UI_QT4:

  4301.                 qDebug("Will use LV2 Qt4 UI");

  4302.                 gui.type      = GUI_INTERNAL_QT4;

  4303.                 gui.resizable = isUiResizable();

  4304.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4305.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4306.                 break;

  4307. 

  4308.             case LV2_UI_COCOA:

  4309.                 qDebug("Will use LV2 Cocoa UI");

  4310.                 gui.type      = GUI_INTERNAL_COCOA;

  4311.                 gui.resizable = isUiResizable();

  4312.                 break;

  4313. 

  4314.             case LV2_UI_WINDOWS:

  4315.                 qDebug("Will use LV2 Windows UI");

  4316.                 gui.type      = GUI_INTERNAL_HWND;

  4317.                 gui.resizable = isUiResizable();

  4318.                 break;

  4319. 

  4320.             case LV2_UI_X11:

  4321.                 qDebug("Will use LV2 X11 UI");

  4322.                 gui.type      = GUI_INTERNAL_X11;

  4323.                 gui.resizable = isUiResizable();

  4324.                 break;

  4325. 

  4326.             case LV2_UI_GTK2:

  4327. #ifdef HAVE_SUIL

  4328.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4329.                 gui.type      = GUI_EXTERNAL_SUIL;

  4330.                 gui.resizable = isUiResizable();

  4331.                 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);

  4332.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4333. 

  4334.                 if (suil.handle)

  4335.                 {

  4336.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4337.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4338.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4339. 

  4340.                     if (ui.widget)

  4341.                     {

  4342.                         QWidget* const widget = (QWidget*)ui.widget;

  4343.                         widget->setWindowTitle(guiTitle);

  4344.                     }

  4345.                 }

  4346. #else

  4347.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4348. #endif

  4349.                 break;

  4350. 

  4351.             case LV2_UI_GTK3:

  4352.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4353.                 break;

  4354. 

  4355.             case LV2_UI_EXTERNAL:

  4356.             case LV2_UI_OLD_EXTERNAL:

  4357.                 qDebug("Will use LV2 External UI");

  4358.                 gui.type = GUI_EXTERNAL_LV2;

  4359.                 break;

  4360.             }

  4361.         }

  4362. 

  4363.         if (gui.type != GUI_NONE)

  4364.             m_hints |= PLUGIN_HAS_GUI;

  4365. 

  4366.         return true;

  4367.     }

  4368. 

  4369. private:

  4370.     LV2_Handle handle, h2;

  4371.     const LV2_Descriptor* descriptor;

  4372.     const LV2_RDF_Descriptor* rdf_descriptor;

  4373.     LV2_Feature* features[lv2_feature_count+1];

  4374. 

  4375.     struct {

  4376.         const LV2_State_Interface* state;

  4377.         const LV2_Worker_Interface* worker;

  4378.         const LV2_Programs_Interface* programs;

  4379.         const LV2_Programs_UI_Interface* uiprograms;

  4380.     } ext;

  4381. 

  4382.     struct {

  4383.         void* lib;

  4384.         LV2UI_Handle handle;

  4385.         LV2UI_Widget widget;

  4386.         const LV2UI_Descriptor* descriptor;

  4387.         const LV2_RDF_UI* rdf_descriptor;

  4388.     } ui;

  4389. 

  4390.     struct {

  4391.         GuiType type;

  4392.         bool resizable;

  4393.         int width;

  4394.         int height;

  4395.     } gui;

  4396. 

  4397. #ifdef HAVE_SUIL

  4398.     struct {

  4399.         SuilHost* host;

  4400.         SuilInstance* handle;

  4401.         QByteArray pos;

  4402.     } suil;

  4403. #endif

  4404. 

  4405.     Lv2AtomQueue atomQueueIn;

  4406.     Lv2AtomQueue atomQueueOut;

  4407.     Lv2PluginEventData evIn;

  4408.     Lv2PluginEventData evOut;

  4409.     float* paramBuffers;

  4410.     std::vector<const char*> customURIDs;

  4411. 

  4412.     bool     lastTimePosPlaying;

  4413.     uint32_t lastTimePosFrame;

  4414. };

  4415. 

  4416. /**@}*/

  4417. 

  4418. // -------------------------------------------------------------------------------------------------------------------

  4419. 

  4420. int CarlaOsc::handleMsgLv2AtomTransfer(CARLA_OSC_HANDLE_ARGS2)

  4421. {

  4422.     qDebug("CarlaOsc::handleMsgLv2AtomTransfer()");

  4423.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4424. 

  4425.     const int32_t portIndex   = argv[0]->i;

  4426.     const char* const typeStr = (const char*)&argv[1]->s;

  4427.     const char* const atomBuf = (const char*)&argv[2]->s;

  4428. 

  4429.     QByteArray chunk;

  4430.     chunk = QByteArray::fromBase64(atomBuf);

  4431. 

  4432.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4433.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4434. 

  4435.     atom->type = lv2plugin->getCustomURID(typeStr);

  4436.     lv2plugin->handleTransferAtom(portIndex, atom);

  4437. 

  4438.     return 0;

  4439. }

  4440. 

  4441. int CarlaOsc::handleMsgLv2EventTransfer(CARLA_OSC_HANDLE_ARGS2)

  4442. {

  4443.     qDebug("CarlaOsc::handleMsgLv2EventTransfer()");

  4444.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4445. 

  4446.     const int32_t portIndex   = argv[0]->i;

  4447.     const char* const typeStr = (const char*)&argv[1]->s;

  4448.     const char* const atomBuf = (const char*)&argv[2]->s;

  4449. 

  4450.     QByteArray chunk;

  4451.     chunk = QByteArray::fromBase64(atomBuf);

  4452. 

  4453.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4454.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4455. 

  4456.     atom->type = lv2plugin->getCustomURID(typeStr);

  4457.     lv2plugin->handleTransferEvent(portIndex, atom);

  4458. 

  4459.     return 0;

  4460. }

  4461. 

  4462. CARLA_BACKEND_END_NAMESPACE

  4463. 

  4464. #else // WANT_LV2

  4465. #  warning Building without LV2 support

  4466. #endif

  4467. 

  4468. CARLA_BACKEND_START_NAMESPACE

  4469. 

  4470. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4471. {

  4472.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4473. 

  4474. #ifdef WANT_LV2

  4475.     short id = init.engine->getNewPluginId();

  4476. 

  4477.     if (id < 0 || id > CarlaEngine::maxPluginNumber())

  4478.     {

  4479.         setLastError("Maximum number of plugins reached");

  4480.         return nullptr;

  4481.     }

  4482. 

  4483.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4484. 

  4485.     if (! plugin->init(init.filename, init.name, init.label))

  4486.     {

  4487.         delete plugin;

  4488.         return nullptr;

  4489.     }

  4490. 

  4491.     plugin->reload();

  4492. 

  4493. #ifndef BUILD_BRIDGE

  4494.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4495.     {

  4496.         const uint32_t ins  = plugin->audioInCount();

  4497.         const uint32_t outs = plugin->audioOutCount();

  4498. 

  4499.         if (ins > 2 || outs > 2 || (ins != outs && ins != 0 && outs != 0))

  4500.         {

  4501.             setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  4502.             delete plugin;

  4503.             return nullptr;

  4504.         }

  4505.     }

  4506. #endif

  4507. 

  4508.     plugin->registerToOsc();

  4509.     plugin->updateUi();

  4510. 

  4511.     return plugin;

  4512. #else

  4513.     setLastError("LV2 support not available");

  4514.     return nullptr;

  4515. #endif

  4516. }

  4517. 

  4518. CARLA_BACKEND_END_NAMESPACE