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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 = 0x1000; //!< LV2 Plugin has Programs extension

  58. const unsigned int PLUGIN_HAS_EXTENSION_STATE    = 0x2000; //!< LV2 Plugin has State extension

  59. const unsigned int PLUGIN_HAS_EXTENSION_WORKER   = 0x4000; //!< 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.         CARLA_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.         CARLA_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.         CARLA_ASSERT(parameterId < param.count);

  539.         CARLA_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.         CARLA_ASSERT(parameterId < param.count);

  558. 

  559.         return paramBuffers[parameterId];

  560.     }

  561. 

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

  563.     {

  564.         CARLA_ASSERT(parameterId < param.count);

  565.         CARLA_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.         CARLA_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.         CARLA_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.         CARLA_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.         CARLA_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.         CARLA_ASSERT(rdf_descriptor);

  626.         CARLA_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.         CARLA_ASSERT(rdf_descriptor);

  639.         CARLA_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.         CARLA_ASSERT(rdf_descriptor);

  652.         CARLA_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.         CARLA_ASSERT(rdf_descriptor);

  749.         CARLA_ASSERT(parameterId < param.count);

  750.         CARLA_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.         CARLA_ASSERT(type);

  776.         CARLA_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.         CARLA_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.         CARLA_ASSERT(type != CUSTOM_DATA_INVALID);

  797.         CARLA_ASSERT(key);

  798.         CARLA_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.         CARLA_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.         CARLA_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.                 QDialog* const dialog = (QDialog*)container->parent();

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

  908.                 CARLA_ASSERT(dialog);

  909.                 CARLA_ASSERT(dialog->layout());

  910.                 CARLA_ASSERT(widget);

  911.                 container->setVisible(false);

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

  913.                 widget->adjustSize();

  914.                 widget->setParent(dialog);

  915.                 widget->show();

  916.             }

  917.             break;

  918. 

  919.         case GUI_INTERNAL_COCOA:

  920.         case GUI_INTERNAL_HWND:

  921.         case GUI_INTERNAL_X11:

  922.             if (ui.descriptor)

  923.             {

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

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

  926.                 updateUi();

  927.             }

  928.             break;

  929. 

  930.         case GUI_EXTERNAL_LV2:

  931.         case GUI_EXTERNAL_SUIL:

  932.         case GUI_EXTERNAL_OSC:

  933.             break;

  934.         }

  935.     }

  936. 

  937.     void showGui(const bool yesNo)

  938.     {

  939.         switch(gui.type)

  940.         {

  941.         case GUI_NONE:

  942.         case GUI_INTERNAL_QT4:

  943.             break;

  944. 

  945.         case GUI_INTERNAL_COCOA:

  946.         case GUI_INTERNAL_HWND:

  947.         case GUI_INTERNAL_X11:

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

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

  950.             break;

  951. 

  952.         case GUI_EXTERNAL_LV2:

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

  954.                 initExternalUi();

  955. 

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

  957.             {

  958.                 if (yesNo)

  959.                 {

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

  961.                 }

  962.                 else

  963.                 {

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

  965. 

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

  967.                     {

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

  969. 

  970.                         if (ui.descriptor->cleanup)

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

  972. 

  973.                         ui.handle = nullptr;

  974.                     }

  975.                 }

  976.             }

  977.             else

  978.                 // failed to init UI

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

  980. 

  981.             break;

  982. 

  983.         case GUI_EXTERNAL_SUIL:

  984. #ifdef HAVE_SUIL

  985.             if (ui.widget)

  986.             {

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

  988. 

  989.                 if (yesNo)

  990.                 {

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

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

  993.                 }

  994.                 else

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

  996. 

  997.                 widget->setVisible(yesNo);

  998.             }

  999. #endif

  1000.             break;

  1001. 

  1002.         case GUI_EXTERNAL_OSC:

  1003. #ifndef BUILD_BRIDGE

  1004.             CARLA_ASSERT(osc.thread);

  1005. 

  1006.             if (! osc.thread)

  1007.             {

  1008.                 qCritical("Lv2Plugin::showGui(%s) - attempt to show gui, but it does not exist!", bool2str(yesNo));

  1009.                 return;

  1010.             }

  1011. 

  1012.             if (yesNo)

  1013.             {

  1014.                 osc.thread->start();

  1015.             }

  1016.             else

  1017.             {

  1018.                 if (osc.data.target)

  1019.                 {

  1020.                     osc_send_hide(&osc.data);

  1021.                     osc_send_quit(&osc.data);

  1022.                     osc_clear_data(&osc.data);

  1023.                 }

  1024. 

  1025.                 if (! osc.thread->wait(500))

  1026.                     osc.thread->quit();

  1027.             }

  1028. #endif

  1029.             break;

  1030.         }

  1031.     }

  1032. 

  1033.     void idleGui()

  1034.     {

  1035. #ifdef BUILD_BRIDGE

  1036.         const bool haveUI = (gui.type != GUI_EXTERNAL_OSC && ui.handle && ui.descriptor);

  1037. #else

  1038.         const bool haveUI = (gui.type == GUI_EXTERNAL_OSC && osc.data.target) || (ui.handle && ui.descriptor);

  1039. #endif

  1040. 

  1041.         if (haveUI)

  1042.         {

  1043.             // Update event ports

  1044.             if (! atomQueueOut.isEmpty())

  1045.             {

  1046.                 static Lv2AtomQueue queue;

  1047.                 queue.copyDataFrom(&atomQueueOut);

  1048. 

  1049.                 uint32_t portIndex;

  1050.                 const LV2_Atom* atom;

  1051. 

  1052.                 while (queue.get(&portIndex, &atom, false))

  1053.                 {

  1054. #ifndef BUILD_BRIDGE

  1055.                     if (gui.type == GUI_EXTERNAL_OSC)

  1056.                     {

  1057.                         QByteArray chunk((const char*)atom, sizeof(LV2_Atom) + atom->size);

  1058.                         osc_send_lv2_transfer_event(&osc.data, portIndex, getCustomURIString(atom->type), chunk.toBase64().constData());

  1059.                     }

  1060.                     else

  1061. #endif

  1062.                     {

  1063.                         if (ui.descriptor->port_event)

  1064.                             ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1065.                     }

  1066.                 }

  1067.             }

  1068. 

  1069.             // Update external UI

  1070.             if (gui.type == GUI_EXTERNAL_LV2 && ui.widget)

  1071.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)ui.widget);

  1072.         }

  1073. 

  1074.         CarlaPlugin::idleGui();

  1075.     }

  1076. 

  1077.     // -------------------------------------------------------------------

  1078.     // Plugin state

  1079. 

  1080.     void reload()

  1081.     {

  1082.         qDebug("Lv2Plugin::reload() - start");

  1083.         CARLA_ASSERT(descriptor && rdf_descriptor);

  1084. 

  1085.         // Safely disable plugin for reload

  1086.         const ScopedDisabler m(this);

  1087. 

  1088.         if (x_client->isActive())

  1089.             x_client->deactivate();

  1090. 

  1091.         // Remove client ports

  1092.         removeClientPorts();

  1093. 

  1094.         // Delete old data

  1095.         deleteBuffers();

  1096. 

  1097.         uint32_t aIns, aOuts, cvIns, cvOuts, params, j;

  1098.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1099.         std::vector<uint32_t> evIns, evOuts;

  1100. 

  1101.         const double sampleRate  = x_engine->getSampleRate();

  1102.         const uint32_t portCount = rdf_descriptor->PortCount;

  1103. 

  1104.         bool forcedStereoIn, forcedStereoOut;

  1105.         forcedStereoIn = forcedStereoOut = false;

  1106. 

  1107.         for (uint32_t i=0; i < portCount; i++)

  1108.         {

  1109.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1110. 

  1111.             if (LV2_IS_PORT_AUDIO(portType))

  1112.             {

  1113.                 if (LV2_IS_PORT_INPUT(portType))

  1114.                     aIns += 1;

  1115.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1116.                     aOuts += 1;

  1117.             }

  1118.             else if (LV2_IS_PORT_CV(portType))

  1119.             {

  1120.                 if (LV2_IS_PORT_INPUT(portType))

  1121.                     cvIns += 1;

  1122.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1123.                     cvOuts += 1;

  1124.             }

  1125.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1126.             {

  1127.                 if (LV2_IS_PORT_INPUT(portType))

  1128.                     evIns.push_back(CARLA_EVENT_DATA_ATOM);

  1129.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1130.                     evOuts.push_back(CARLA_EVENT_DATA_ATOM);

  1131.             }

  1132.             else if (LV2_IS_PORT_EVENT(portType))

  1133.             {

  1134.                 if (LV2_IS_PORT_INPUT(portType))

  1135.                     evIns.push_back(CARLA_EVENT_DATA_EVENT);

  1136.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1137.                     evOuts.push_back(CARLA_EVENT_DATA_EVENT);

  1138.             }

  1139.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1140.             {

  1141.                 if (LV2_IS_PORT_INPUT(portType))

  1142.                     evIns.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1143.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1144.                     evOuts.push_back(CARLA_EVENT_DATA_MIDI_LL);

  1145.             }

  1146.             else if (LV2_IS_PORT_CONTROL(portType))

  1147.                 params += 1;

  1148.         }

  1149. 

  1150.         // check extensions

  1151.         ext.state      = nullptr;

  1152.         ext.worker     = nullptr;

  1153.         ext.programs   = nullptr;

  1154. 

  1155.         if (descriptor->extension_data)

  1156.         {

  1157.             if (m_hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  1158.                 ext.programs = (const LV2_Programs_Interface*)descriptor->extension_data(LV2_PROGRAMS__Interface);

  1159. 

  1160.             if (m_hints & PLUGIN_HAS_EXTENSION_STATE)

  1161.                 ext.state = (const LV2_State_Interface*)descriptor->extension_data(LV2_STATE__interface);

  1162. 

  1163.             if (m_hints & PLUGIN_HAS_EXTENSION_WORKER)

  1164.                 ext.worker = (const LV2_Worker_Interface*)descriptor->extension_data(LV2_WORKER__interface);

  1165.         }

  1166. 

  1167. #ifndef BUILD_BRIDGE

  1168.         if (carlaOptions.forceStereo && (aIns == 1 || aOuts == 1) && ! (h2 || ext.state || ext.worker))

  1169.         {

  1170.             h2 = descriptor->instantiate(descriptor, sampleRate, rdf_descriptor->Bundle, features);

  1171. 

  1172.             if (aIns == 1)

  1173.             {

  1174.                 aIns = 2;

  1175.                 forcedStereoIn = true;

  1176.             }

  1177. 

  1178.             if (aOuts == 1)

  1179.             {

  1180.                 aOuts = 2;

  1181.                 forcedStereoOut = true;

  1182.             }

  1183.         }

  1184. #endif

  1185. 

  1186.         if (aIns > 0)

  1187.         {

  1188.             aIn.ports    = new CarlaEngineAudioPort*[aIns];

  1189.             aIn.rindexes = new uint32_t[aIns];

  1190.         }

  1191. 

  1192.         if (aOuts > 0)

  1193.         {

  1194.             aOut.ports    = new CarlaEngineAudioPort*[aOuts];

  1195.             aOut.rindexes = new uint32_t[aOuts];

  1196.         }

  1197. 

  1198.         if (evIns.size() > 0)

  1199.         {

  1200.             const size_t size = evIns.size();

  1201.             evIn.data = new Lv2EventData[size];

  1202. 

  1203.             for (j=0; j < size; j++)

  1204.             {

  1205.                 evIn.data[j].port = nullptr;

  1206.                 evIn.data[j].type = 0;

  1207. 

  1208.                 if (evIns[j] == CARLA_EVENT_DATA_ATOM)

  1209.                 {

  1210.                     evIn.data[j].type = CARLA_EVENT_DATA_ATOM;

  1211.                     evIn.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1212.                     evIn.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1213.                     evIn.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1214.                     evIn.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1215.                     evIn.data[j].atom->body.pad  = 0;

  1216.                 }

  1217.                 else if (evIns[j] == CARLA_EVENT_DATA_EVENT)

  1218.                 {

  1219.                     evIn.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1220.                     evIn.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1221.                 }

  1222.                 else if (evIns[j] == CARLA_EVENT_DATA_MIDI_LL)

  1223.                 {

  1224.                     evIn.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1225.                     evIn.data[j].midi  = new LV2_MIDI;

  1226.                     evIn.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1227.                     evIn.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1228.                 }

  1229.             }

  1230.         }

  1231. 

  1232.         if (evOuts.size() > 0)

  1233.         {

  1234.             const size_t size = evOuts.size();

  1235.             evOut.data = new Lv2EventData[size];

  1236. 

  1237.             for (j=0; j < size; j++)

  1238.             {

  1239.                 evOut.data[j].port = nullptr;

  1240.                 evOut.data[j].type = 0;

  1241. 

  1242.                 if (evOuts[j] == CARLA_EVENT_DATA_ATOM)

  1243.                 {

  1244.                     evOut.data[j].type = CARLA_EVENT_DATA_ATOM;

  1245.                     evOut.data[j].atom = (LV2_Atom_Sequence*)malloc(sizeof(LV2_Atom_Sequence) + MAX_EVENT_BUFFER);

  1246.                     evOut.data[j].atom->atom.size = sizeof(LV2_Atom_Sequence_Body);

  1247.                     evOut.data[j].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1248.                     evOut.data[j].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1249.                     evOut.data[j].atom->body.pad  = 0;

  1250.                 }

  1251.                 else if (evOuts[j] == CARLA_EVENT_DATA_EVENT)

  1252.                 {

  1253.                     evOut.data[j].type  = CARLA_EVENT_DATA_EVENT;

  1254.                     evOut.data[j].event = lv2_event_buffer_new(MAX_EVENT_BUFFER, LV2_EVENT_AUDIO_STAMP);

  1255.                 }

  1256.                 else if (evOuts[j] == CARLA_EVENT_DATA_MIDI_LL)

  1257.                 {

  1258.                     evOut.data[j].type  = CARLA_EVENT_DATA_MIDI_LL;

  1259.                     evOut.data[j].midi  = new LV2_MIDI;

  1260.                     evOut.data[j].midi->capacity = MAX_EVENT_BUFFER;

  1261.                     evOut.data[j].midi->data     = new unsigned char [MAX_EVENT_BUFFER];

  1262.                 }

  1263.             }

  1264.         }

  1265. 

  1266.         if (params > 0)

  1267.         {

  1268.             param.data   = new ParameterData[params];

  1269.             param.ranges = new ParameterRanges[params];

  1270.             paramBuffers = new float[params];

  1271.         }

  1272. 

  1273.         const int portNameSize = CarlaEngine::maxPortNameSize() - 2;

  1274.         char portName[portNameSize];

  1275.         bool needsCtrlIn  = false;

  1276.         bool needsCtrlOut = false;

  1277. 

  1278.         for (uint32_t i=0; i < portCount; i++)

  1279.         {

  1280.             const LV2_Property portType = rdf_descriptor->Ports[i].Type;

  1281. 

  1282.             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))

  1283.             {

  1284. #ifndef BUILD_BRIDGE

  1285.                 if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1286.                 {

  1287.                     strcpy(portName, m_name);

  1288.                     strcat(portName, ":");

  1289.                     strncat(portName, rdf_descriptor->Ports[i].Name, portNameSize/2);

  1290.                 }

  1291.                 else

  1292. #endif

  1293.                     strncpy(portName, rdf_descriptor->Ports[i].Name, portNameSize);

  1294.             }

  1295. 

  1296.             if (LV2_IS_PORT_AUDIO(portType))

  1297.             {

  1298.                 if (LV2_IS_PORT_INPUT(portType))

  1299.                 {

  1300.                     j = aIn.count++;

  1301.                     aIn.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1302.                     aIn.rindexes[j] = i;

  1303. 

  1304.                     if (forcedStereoIn)

  1305.                     {

  1306.                         strcat(portName, "_");

  1307.                         aIn.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, true);

  1308.                         aIn.rindexes[1] = i;

  1309.                     }

  1310.                 }

  1311.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1312.                 {

  1313.                     j = aOut.count++;

  1314.                     aOut.ports[j]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1315.                     aOut.rindexes[j] = i;

  1316.                     needsCtrlIn = true;

  1317. 

  1318.                     if (forcedStereoOut)

  1319.                     {

  1320.                         strcat(portName, "_");

  1321.                         aOut.ports[1]    = (CarlaEngineAudioPort*)x_client->addPort(CarlaEnginePortTypeAudio, portName, false);

  1322.                         aOut.rindexes[1] = i;

  1323.                     }

  1324.                 }

  1325.                 else

  1326.                     qWarning("WARNING - Got a broken Port (Audio, but not input or output)");

  1327.             }

  1328.             else if (LV2_IS_PORT_CV(portType))

  1329.             {

  1330.                 if (LV2_IS_PORT_INPUT(portType))

  1331.                 {

  1332.                     qWarning("WARNING - CV Ports are not supported yet");

  1333.                 }

  1334.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1335.                 {

  1336.                     qWarning("WARNING - CV Ports are not supported yet");

  1337.                 }

  1338.                 else

  1339.                     qWarning("WARNING - Got a broken Port (CV, but not input or output)");

  1340. 

  1341.                 descriptor->connect_port(handle, i, nullptr);

  1342.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1343.             }

  1344.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portType))

  1345.             {

  1346.                 if (LV2_IS_PORT_INPUT(portType))

  1347.                 {

  1348.                     j = evIn.count++;

  1349.                     descriptor->connect_port(handle, i, evIn.data[j].atom);

  1350.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].atom);

  1351. 

  1352.                     evIn.data[j].rindex = i;

  1353. 

  1354.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1355.                     {

  1356.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1357.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1358.                     }

  1359.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1360.                     {

  1361.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1362.                     }

  1363.                 }

  1364.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1365.                 {

  1366.                     j = evOut.count++;

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

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

  1369. 

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

  1371. 

  1372.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1373.                     {

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

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

  1376.                     }

  1377.                     if (portType & LV2_PORT_SUPPORTS_PATCH_MESSAGE)

  1378.                     {

  1379.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1380.                     }

  1381.                 }

  1382.                 else

  1383.                     qWarning("WARNING - Got a broken Port (Atom Sequence, but not input or output)");

  1384.             }

  1385.             else if (LV2_IS_PORT_EVENT(portType))

  1386.             {

  1387.                 if (LV2_IS_PORT_INPUT(portType))

  1388.                 {

  1389.                     j = evIn.count++;

  1390.                     descriptor->connect_port(handle, i, evIn.data[j].event);

  1391.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].event);

  1392. 

  1393.                     evIn.data[j].rindex = i;

  1394. 

  1395.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1396.                     {

  1397.                         evIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1398.                         evIn.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

  1399.                     }

  1400.                 }

  1401.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1402.                 {

  1403.                     j = evOut.count++;

  1404.                     descriptor->connect_port(handle, i, evOut.data[j].event);

  1405.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].event);

  1406. 

  1407.                     evOut.data[j].rindex = i;

  1408. 

  1409.                     if (portType & LV2_PORT_SUPPORTS_MIDI_EVENT)

  1410.                     {

  1411.                         evOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1412.                         evOut.data[j].port  = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1413.                     }

  1414.                 }

  1415.                 else

  1416.                     qWarning("WARNING - Got a broken Port (Event, but not input or output)");

  1417.             }

  1418.             else if (LV2_IS_PORT_MIDI_LL(portType))

  1419.             {

  1420.                 if (LV2_IS_PORT_INPUT(portType))

  1421.                 {

  1422.                     j = evIn.count++;

  1423.                     descriptor->connect_port(handle, i, evIn.data[j].midi);

  1424.                     if (h2) descriptor->connect_port(h2, i, evIn.data[j].midi);

  1425. 

  1426.                     evIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1427.                     evIn.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, true);

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

  1429.                 }

  1430.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1431.                 {

  1432.                     j = evOut.count++;

  1433.                     descriptor->connect_port(handle, i, evOut.data[j].midi);

  1434.                     if (h2) descriptor->connect_port(h2, i, evOut.data[j].midi);

  1435. 

  1436.                     evOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1437.                     evOut.data[j].port   = (CarlaEngineMidiPort*)x_client->addPort(CarlaEnginePortTypeMIDI, portName, false);

  1438.                     evOut.data[j].rindex = i;

  1439.                 }

  1440.                 else

  1441.                     qWarning("WARNING - Got a broken Port (Midi, but not input or output)");

  1442.             }

  1443.             else if (LV2_IS_PORT_CONTROL(portType))

  1444.             {

  1445.                 const LV2_Property portProps = rdf_descriptor->Ports[i].Properties;

  1446.                 const LV2_Property portDesignation = rdf_descriptor->Ports[i].Designation;

  1447.                 const LV2_RDF_PortPoints portPoints = rdf_descriptor->Ports[i].Points;

  1448. 

  1449.                 j = param.count++;

  1450.                 param.data[j].index  = j;

  1451.                 param.data[j].rindex = i;

  1452.                 param.data[j].hints  = 0;

  1453.                 param.data[j].midiChannel = 0;

  1454.                 param.data[j].midiCC = -1;

  1455. 

  1456.                 double min, max, def, step, stepSmall, stepLarge;

  1457. 

  1458.                 // min value

  1459.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  1460.                     min = portPoints.Minimum;

  1461.                 else

  1462.                     min = 0.0;

  1463. 

  1464.                 // max value

  1465.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  1466.                     max = portPoints.Maximum;

  1467.                 else

  1468.                     max = 1.0;

  1469. 

  1470.                 if (min > max)

  1471.                     max = min;

  1472.                 else if (max < min)

  1473.                     min = max;

  1474. 

  1475.                 // stupid hack for ir.lv2 (broken plugin)

  1476.                 if (strcmp(rdf_descriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && strncmp(rdf_descriptor->Ports[i].Name, "FileHash", 8) == 0)

  1477.                 {

  1478.                     min = 0.0;

  1479.                     max = 16777215.0; // 0xffffff

  1480.                 }

  1481. 

  1482.                 if (max - min == 0.0)

  1483.                 {

  1484.                     qWarning("Broken plugin parameter: max - min == 0");

  1485.                     max = min + 0.1;

  1486.                 }

  1487. 

  1488.                 // default value

  1489.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  1490.                 {

  1491.                     def = portPoints.Default;

  1492.                 }

  1493.                 else

  1494.                 {

  1495.                     // no default value

  1496.                     if (min < 0.0 && max > 0.0)

  1497.                         def = 0.0;

  1498.                     else

  1499.                         def = min;

  1500.                 }

  1501. 

  1502.                 if (def < min)

  1503.                     def = min;

  1504.                 else if (def > max)

  1505.                     def = max;

  1506. 

  1507.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  1508.                 {

  1509.                     min *= sampleRate;

  1510.                     max *= sampleRate;

  1511.                     def *= sampleRate;

  1512.                     param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1513.                 }

  1514. 

  1515.                 if (LV2_IS_PORT_TOGGLED(portProps))

  1516.                 {

  1517.                     step = max - min;

  1518.                     stepSmall = step;

  1519.                     stepLarge = step;

  1520.                     param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1521.                 }

  1522.                 else if (LV2_IS_PORT_INTEGER(portProps))

  1523.                 {

  1524.                     step = 1.0;

  1525.                     stepSmall = 1.0;

  1526.                     stepLarge = 10.0;

  1527.                     param.data[j].hints |= PARAMETER_IS_INTEGER;

  1528.                 }

  1529.                 else

  1530.                 {

  1531.                     double range = max - min;

  1532.                     step = range/100.0;

  1533.                     stepSmall = range/1000.0;

  1534.                     stepLarge = range/10.0;

  1535.                 }

  1536. 

  1537.                 if (LV2_IS_PORT_INPUT(portType))

  1538.                 {

  1539.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1540.                     {

  1541.                         qWarning("Plugin has latency input port, this should not happen!");

  1542.                     }

  1543.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1544.                     {

  1545.                         def = sampleRate;

  1546.                         step = 1.0;

  1547.                         stepSmall = 1.0;

  1548.                         stepLarge = 1.0;

  1549. 

  1550.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1551.                         param.data[j].hints = 0;

  1552.                     }

  1553.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1554.                     {

  1555.                         param.data[j].type = PARAMETER_LV2_FREEWHEEL;

  1556.                     }

  1557.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1558.                     {

  1559.                         param.data[j].type = PARAMETER_LV2_TIME;

  1560.                     }

  1561.                     else

  1562.                     {

  1563.                         param.data[j].type = PARAMETER_INPUT;

  1564.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1565.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1566.                         needsCtrlIn = true;

  1567.                     }

  1568. 

  1569.                     // MIDI CC value

  1570.                     const LV2_RDF_PortMidiMap* const portMidiMap = &rdf_descriptor->Ports[i].MidiMap;

  1571.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap->Type))

  1572.                     {

  1573.                         if (! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap->Number))

  1574.                             param.data[j].midiCC = portMidiMap->Number;

  1575.                     }

  1576.                 }

  1577.                 else if (LV2_IS_PORT_OUTPUT(portType))

  1578.                 {

  1579.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  1580.                     {

  1581.                         min = 0.0;

  1582.                         max = sampleRate;

  1583.                         def = 0.0;

  1584.                         step = 1.0;

  1585.                         stepSmall = 1.0;

  1586.                         stepLarge = 1.0;

  1587. 

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

  1589.                         param.data[j].hints = 0;

  1590.                     }

  1591.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  1592.                     {

  1593.                         def = sampleRate;

  1594.                         step = 1.0;

  1595.                         stepSmall = 1.0;

  1596.                         stepLarge = 1.0;

  1597. 

  1598.                         param.data[j].type  = PARAMETER_SAMPLE_RATE;

  1599.                         param.data[j].hints = 0;

  1600.                     }

  1601.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  1602.                     {

  1603.                         qWarning("Plugin has freewheeling output port, this should not happen!");

  1604.                     }

  1605.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  1606.                     {

  1607.                         param.data[j].type = PARAMETER_LV2_TIME;

  1608.                     }

  1609.                     else

  1610.                     {

  1611.                         param.data[j].type   = PARAMETER_OUTPUT;

  1612.                         param.data[j].hints |= PARAMETER_IS_ENABLED;

  1613.                         param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1614.                         needsCtrlOut = true;

  1615.                     }

  1616.                 }

  1617.                 else

  1618.                 {

  1619.                     param.data[j].type = PARAMETER_UNKNOWN;

  1620.                     qWarning("WARNING - Got a broken Port (Control, but not input or output)");

  1621.                 }

  1622. 

  1623.                 // extra parameter hints

  1624.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  1625.                     param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1626. 

  1627.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  1628.                     param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1629. 

  1630.                 if (LV2_IS_PORT_TRIGGER(portProps))

  1631.                     param.data[j].hints |= PARAMETER_IS_TRIGGER;

  1632. 

  1633.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  1634.                     param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  1635. 

  1636.                 // check if parameter is not enabled or automable

  1637.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  1638.                     param.data[j].hints &= ~PARAMETER_IS_ENABLED;

  1639. 

  1640.                 if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps) || LV2_IS_PORT_NOT_AUTOMATIC(portProps))

  1641.                     param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  1642. 

  1643.                 param.ranges[j].min = min;

  1644.                 param.ranges[j].max = max;

  1645.                 param.ranges[j].def = def;

  1646.                 param.ranges[j].step = step;

  1647.                 param.ranges[j].stepSmall = stepSmall;

  1648.                 param.ranges[j].stepLarge = stepLarge;

  1649. 

  1650.                 // Start parameters in their default values

  1651.                 paramBuffers[j] = def;

  1652. 

  1653.                 descriptor->connect_port(handle, i, &paramBuffers[j]);

  1654.                 if (h2) descriptor->connect_port(h2, i, &paramBuffers[j]);

  1655.             }

  1656.             else

  1657.             {

  1658.                 // Port Type not supported, but it's optional anyway

  1659.                 descriptor->connect_port(handle, i, nullptr);

  1660.                 if (h2) descriptor->connect_port(h2, i, nullptr);

  1661.             }

  1662.         }

  1663. 

  1664.         if (needsCtrlIn)

  1665.         {

  1666. #ifndef BUILD_BRIDGE

  1667.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1668.             {

  1669.                 strcpy(portName, m_name);

  1670.                 strcat(portName, ":control-in");

  1671.             }

  1672.             else

  1673. #endif

  1674.                 strcpy(portName, "control-in");

  1675. 

  1676.             param.portCin = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, true);

  1677.         }

  1678. 

  1679.         if (needsCtrlOut)

  1680.         {

  1681. #ifndef BUILD_BRIDGE

  1682.             if (carlaOptions.processMode != PROCESS_MODE_MULTIPLE_CLIENTS)

  1683.             {

  1684.                 strcpy(portName, m_name);

  1685.                 strcat(portName, ":control-out");

  1686.             }

  1687.             else

  1688. #endif

  1689.                 strcpy(portName, "control-out");

  1690. 

  1691.             param.portCout = (CarlaEngineControlPort*)x_client->addPort(CarlaEnginePortTypeControl, portName, false);

  1692.         }

  1693. 

  1694.         aIn.count   = aIns;

  1695.         aOut.count  = aOuts;

  1696.         evIn.count  = evIns.size();

  1697.         evOut.count = evOuts.size();

  1698.         param.count = params;

  1699. 

  1700.         // plugin checks

  1701.         m_hints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE | PLUGIN_CAN_FORCE_STEREO);

  1702. 

  1703.         if (LV2_IS_GENERATOR(rdf_descriptor->Type))

  1704.             m_hints |= PLUGIN_IS_SYNTH;

  1705. 

  1706.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1707.             m_hints |= PLUGIN_CAN_DRYWET;

  1708. 

  1709.         if (aOuts > 0)

  1710.             m_hints |= PLUGIN_CAN_VOLUME;

  1711. 

  1712.         if (aOuts >= 2 && aOuts%2 == 0)

  1713.             m_hints |= PLUGIN_CAN_BALANCE;

  1714. 

  1715.         if (ext.state || ext.worker)

  1716.         {

  1717.             if ((aIns == 0 || aIns == 2) && (aOuts == 0 || aOuts == 2) && evIn.count <= 1 && evOut.count <= 1)

  1718.                 m_hints |= PLUGIN_CAN_FORCE_STEREO;

  1719.         }

  1720.         else

  1721.         {

  1722.             if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && evIn.count <= 1 && evOut.count <= 1)

  1723.                 m_hints |= PLUGIN_CAN_FORCE_STEREO;

  1724.         }

  1725. 

  1726.         reloadPrograms(true);

  1727. 

  1728.         x_client->activate();

  1729. 

  1730.         qDebug("Lv2Plugin::reload() - end");

  1731.     }

  1732. 

  1733.     void reloadPrograms(const bool init)

  1734.     {

  1735.         qDebug("Lv2Plugin::reloadPrograms(%s)", bool2str(init));

  1736.         uint32_t i, oldCount = midiprog.count;

  1737. 

  1738.         // Delete old programs

  1739.         if (midiprog.count > 0)

  1740.         {

  1741.             for (i=0; i < midiprog.count; i++)

  1742.             {

  1743.                 if (midiprog.data[i].name)

  1744.                     free((void*)midiprog.data[i].name);

  1745.             }

  1746. 

  1747.             delete[] midiprog.data;

  1748.         }

  1749. 

  1750.         midiprog.count = 0;

  1751.         midiprog.data  = nullptr;

  1752. 

  1753.         // Query new programs

  1754.         if (ext.programs && ext.programs->get_program && ext.programs->select_program)

  1755.         {

  1756.             while (ext.programs->get_program(handle, midiprog.count))

  1757.                 midiprog.count += 1;

  1758.         }

  1759. 

  1760.         if (midiprog.count > 0)

  1761.             midiprog.data = new midi_program_t[midiprog.count];

  1762. 

  1763.         // Update data

  1764.         for (i=0; i < midiprog.count; i++)

  1765.         {

  1766.             const LV2_Program_Descriptor* const pdesc = ext.programs->get_program(handle, i);

  1767.             CARLA_ASSERT(pdesc);

  1768.             CARLA_ASSERT(pdesc->program < 128);

  1769.             CARLA_ASSERT(pdesc->name);

  1770. 

  1771.             midiprog.data[i].bank    = pdesc->bank;

  1772.             midiprog.data[i].program = pdesc->program;

  1773.             midiprog.data[i].name    = strdup(pdesc->name);

  1774.         }

  1775. 

  1776. #ifndef BUILD_BRIDGE

  1777.         // Update OSC Names

  1778.         if (x_engine->isOscControlRegisted())

  1779.         {

  1780.             x_engine->osc_send_control_set_midi_program_count(m_id, midiprog.count);

  1781. 

  1782.             for (i=0; i < midiprog.count; i++)

  1783.                 x_engine->osc_send_control_set_midi_program_data(m_id, i, midiprog.data[i].bank, midiprog.data[i].program, midiprog.data[i].name);

  1784.         }

  1785. #endif

  1786. 

  1787.         if (init)

  1788.         {

  1789.             if (midiprog.count > 0)

  1790.                 setMidiProgram(0, false, false, false, true);

  1791.         }

  1792.         else

  1793.         {

  1794.             x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  1795. 

  1796.             // Check if current program is invalid

  1797.             bool programChanged = false;

  1798. 

  1799.             if (midiprog.count == oldCount+1)

  1800.             {

  1801.                 // one midi program added, probably created by user

  1802.                 midiprog.current = oldCount;

  1803.                 programChanged   = true;

  1804.             }

  1805.             else if (midiprog.current >= (int32_t)midiprog.count)

  1806.             {

  1807.                 // current midi program > count

  1808.                 midiprog.current = 0;

  1809.                 programChanged   = true;

  1810.             }

  1811.             else if (midiprog.current < 0 && midiprog.count > 0)

  1812.             {

  1813.                 // programs exist now, but not before

  1814.                 midiprog.current = 0;

  1815.                 programChanged   = true;

  1816.             }

  1817.             else if (midiprog.current >= 0 && midiprog.count == 0)

  1818.             {

  1819.                 // programs existed before, but not anymore

  1820.                 midiprog.current = -1;

  1821.                 programChanged   = true;

  1822.             }

  1823. 

  1824.             if (programChanged)

  1825.                 setMidiProgram(midiprog.current, true, true, true, true);

  1826.         }

  1827.     }

  1828. 

  1829.     void prepareForSave()

  1830.     {

  1831.         if (ext.state && ext.state->save)

  1832.         {

  1833.             ext.state->save(handle, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1834.             if (h2) ext.state->save(h2, carla_lv2_state_store, this, LV2_STATE_IS_POD, features);

  1835.         }

  1836.     }

  1837. 

  1838.     // -------------------------------------------------------------------

  1839.     // Plugin processing

  1840. 

  1841.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  1842.     {

  1843.         uint32_t i, k;

  1844.         uint32_t midiEventCount = 0;

  1845. 

  1846.         double aInsPeak[2]  = { 0.0 };

  1847.         double aOutsPeak[2] = { 0.0 };

  1848. 

  1849.         // handle events from different APIs

  1850.         uint32_t evInAtomOffsets[evIn.count];

  1851.         LV2_Event_Iterator evInEventIters[evIn.count];

  1852.         LV2_MIDIState evInMidiStates[evIn.count];

  1853. 

  1854.         for (i=0; i < evIn.count; i++)

  1855.         {

  1856.             if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  1857.             {

  1858.                 evInAtomOffsets[i] = 0;

  1859.                 evIn.data[i].atom->atom.size = 0;

  1860.                 evIn.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1861.                 evIn.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1862.                 evIn.data[i].atom->body.pad  = 0;

  1863.             }

  1864.             else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  1865.             {

  1866.                 lv2_event_buffer_reset(evIn.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evIn.data[i].event + 1));

  1867.                 lv2_event_begin(&evInEventIters[i], evIn.data[i].event);

  1868.             }

  1869.             else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1870.             {

  1871.                 evInMidiStates[i].midi = evIn.data[i].midi;

  1872.                 evInMidiStates[i].frame_count = frames;

  1873.                 evInMidiStates[i].position = 0;

  1874.                 evInMidiStates[i].midi->event_count = 0;

  1875.                 evInMidiStates[i].midi->size = 0;

  1876.             }

  1877.         }

  1878. 

  1879.         for (i=0; i < evOut.count; i++)

  1880.         {

  1881.             if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  1882.             {

  1883.                 evOut.data[i].atom->atom.size = 0;

  1884.                 evOut.data[i].atom->atom.type = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  1885.                 evOut.data[i].atom->body.unit = CARLA_URI_MAP_ID_NULL;

  1886.                 evOut.data[i].atom->body.pad  = 0;

  1887.             }

  1888.             else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  1889.             {

  1890.                 lv2_event_buffer_reset(evOut.data[i].event, LV2_EVENT_AUDIO_STAMP, (uint8_t*)(evOut.data[i].event + 1));

  1891.             }

  1892.             else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  1893.             {

  1894.                 // not needed

  1895.             }

  1896.         }

  1897. 

  1898.         CARLA_PROCESS_CONTINUE_CHECK;

  1899. 

  1900.         // --------------------------------------------------------------------------------------------------------

  1901.         // Input VU

  1902. 

  1903.         if (aIn.count > 0)

  1904.         {

  1905.             if (aIn.count == 1)

  1906.             {

  1907.                 for (k=0; k < frames; k++)

  1908.                 {

  1909.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1910.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1911.                 }

  1912.             }

  1913.             else if (aIn.count > 1)

  1914.             {

  1915.                 for (k=0; k < frames; k++)

  1916.                 {

  1917.                     if (abs(inBuffer[0][k]) > aInsPeak[0])

  1918.                         aInsPeak[0] = abs(inBuffer[0][k]);

  1919. 

  1920.                     if (abs(inBuffer[1][k]) > aInsPeak[1])

  1921.                         aInsPeak[1] = abs(inBuffer[1][k]);

  1922.                 }

  1923.             }

  1924.         }

  1925. 

  1926.         CARLA_PROCESS_CONTINUE_CHECK;

  1927. 

  1928.         // --------------------------------------------------------------------------------------------------------

  1929.         // Parameters Input [Automation]

  1930. 

  1931.         if (param.portCin && m_active && m_activeBefore)

  1932.         {

  1933.             bool allNotesOffSent = false;

  1934. 

  1935.             const CarlaEngineControlEvent* cinEvent;

  1936.             uint32_t time, nEvents = param.portCin->getEventCount();

  1937. 

  1938.             uint32_t nextBankId = 0;

  1939.             if (midiprog.current >= 0 && midiprog.count > 0)

  1940.                 nextBankId = midiprog.data[midiprog.current].bank;

  1941. 

  1942.             for (i=0; i < nEvents; i++)

  1943.             {

  1944.                 cinEvent = param.portCin->getEvent(i);

  1945. 

  1946.                 if (! cinEvent)

  1947.                     continue;

  1948. 

  1949.                 time = cinEvent->time - framesOffset;

  1950. 

  1951.                 if (time >= frames)

  1952.                     continue;

  1953. 

  1954.                 // Control change

  1955.                 switch (cinEvent->type)

  1956.                 {

  1957.                 case CarlaEngineEventNull:

  1958.                     break;

  1959. 

  1960.                 case CarlaEngineEventControlChange:

  1961.                 {

  1962.                     double value;

  1963. 

  1964.                     // Control backend stuff

  1965.                     if (cinEvent->channel == m_ctrlInChannel)

  1966.                     {

  1967.                         if (MIDI_IS_CONTROL_BREATH_CONTROLLER(cinEvent->controller) && (m_hints & PLUGIN_CAN_DRYWET) > 0)

  1968.                         {

  1969.                             value = cinEvent->value;

  1970.                             setDryWet(value, false, false);

  1971.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_DRYWET, 0, value);

  1972.                             continue;

  1973.                         }

  1974. 

  1975.                         if (MIDI_IS_CONTROL_CHANNEL_VOLUME(cinEvent->controller) && (m_hints & PLUGIN_CAN_VOLUME) > 0)

  1976.                         {

  1977.                             value = cinEvent->value*127/100;

  1978.                             setVolume(value, false, false);

  1979.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_VOLUME, 0, value);

  1980.                             continue;

  1981.                         }

  1982. 

  1983.                         if (MIDI_IS_CONTROL_BALANCE(cinEvent->controller) && (m_hints & PLUGIN_CAN_BALANCE) > 0)

  1984.                         {

  1985.                             double left, right;

  1986.                             value = cinEvent->value/0.5 - 1.0;

  1987. 

  1988.                             if (value < 0.0)

  1989.                             {

  1990.                                 left  = -1.0;

  1991.                                 right = (value*2)+1.0;

  1992.                             }

  1993.                             else if (value > 0.0)

  1994.                             {

  1995.                                 left  = (value*2)-1.0;

  1996.                                 right = 1.0;

  1997.                             }

  1998.                             else

  1999.                             {

  2000.                                 left  = -1.0;

  2001.                                 right = 1.0;

  2002.                             }

  2003. 

  2004.                             setBalanceLeft(left, false, false);

  2005.                             setBalanceRight(right, false, false);

  2006.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  2007.                             postponeEvent(PluginPostEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  2008.                             continue;

  2009.                         }

  2010.                     }

  2011. 

  2012.                     // Control plugin parameters

  2013.                     for (k=0; k < param.count; k++)

  2014.                     {

  2015.                         if (param.data[k].midiChannel != cinEvent->channel)

  2016.                             continue;

  2017.                         if (param.data[k].midiCC != cinEvent->controller)

  2018.                             continue;

  2019.                         if (param.data[k].type != PARAMETER_INPUT)

  2020.                             continue;

  2021. 

  2022.                         if (param.data[k].hints & PARAMETER_IS_AUTOMABLE)

  2023.                         {

  2024.                             if (param.data[k].hints & PARAMETER_IS_BOOLEAN)

  2025.                             {

  2026.                                 value = cinEvent->value < 0.5 ? param.ranges[k].min : param.ranges[k].max;

  2027.                             }

  2028.                             else

  2029.                             {

  2030.                                 value = cinEvent->value * (param.ranges[k].max - param.ranges[k].min) + param.ranges[k].min;

  2031. 

  2032.                                 if (param.data[k].hints & PARAMETER_IS_INTEGER)

  2033.                                     value = rint(value);

  2034.                             }

  2035. 

  2036.                             setParameterValue(k, value, false, false, false);

  2037.                             postponeEvent(PluginPostEventParameterChange, k, 0, value);

  2038.                         }

  2039.                     }

  2040. 

  2041.                     break;

  2042.                 }

  2043. 

  2044.                 case CarlaEngineEventMidiBankChange:

  2045.                     if (cinEvent->channel == m_ctrlInChannel)

  2046.                         nextBankId = rint(cinEvent->value);

  2047.                     break;

  2048. 

  2049.                 case CarlaEngineEventMidiProgramChange:

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

  2051.                     {

  2052.                         uint32_t nextProgramId = rint(cinEvent->value);

  2053. 

  2054.                         for (k=0; k < midiprog.count; k++)

  2055.                         {

  2056.                             if (midiprog.data[k].bank == nextBankId && midiprog.data[k].program == nextProgramId)

  2057.                             {

  2058.                                 setMidiProgram(k, false, false, false, false);

  2059.                                 postponeEvent(PluginPostEventMidiProgramChange, k, 0, 0.0);

  2060.                                 break;

  2061.                             }

  2062.                         }

  2063.                     }

  2064.                     break;

  2065. 

  2066.                 case CarlaEngineEventAllSoundOff:

  2067.                     if (cinEvent->channel == m_ctrlInChannel)

  2068.                     {

  2069.                         if (evIn.count > 0 && ! allNotesOffSent)

  2070.                             sendMidiAllNotesOff();

  2071. 

  2072.                         if (descriptor->deactivate)

  2073.                         {

  2074.                             descriptor->deactivate(handle);

  2075.                             if (h2) descriptor->deactivate(h2);

  2076.                         }

  2077. 

  2078.                         if (descriptor->activate)

  2079.                         {

  2080.                             descriptor->activate(handle);

  2081.                             if (h2) descriptor->activate(h2);

  2082.                         }

  2083. 

  2084.                         allNotesOffSent = true;

  2085.                     }

  2086.                     break;

  2087. 

  2088.                 case CarlaEngineEventAllNotesOff:

  2089.                     if (cinEvent->channel == m_ctrlInChannel)

  2090.                     {

  2091.                         if (evIn.count > 0 && ! allNotesOffSent)

  2092.                             sendMidiAllNotesOff();

  2093. 

  2094.                         allNotesOffSent = true;

  2095.                     }

  2096.                     break;

  2097.                 }

  2098.             }

  2099.         } // End of Parameters Input

  2100. 

  2101.         CARLA_PROCESS_CONTINUE_CHECK;

  2102. 

  2103.         // --------------------------------------------------------------------------------------------------------

  2104.         // Event Input

  2105. 

  2106.         if (evIn.count > 0 && m_active && m_activeBefore)

  2107.         {

  2108.             // ----------------------------------------------------------------------------------------------------

  2109.             // MIDI Input (External)

  2110. 

  2111.             {

  2112.                 engineMidiLock();

  2113. 

  2114.                 for (i=0; i < MAX_MIDI_EVENTS && midiEventCount < MAX_MIDI_EVENTS; i++)

  2115.                 {

  2116.                     if (extMidiNotes[i].channel < 0)

  2117.                         break;

  2118. 

  2119.                     uint8_t midiEvent[3] = { 0 };

  2120.                     midiEvent[0] = m_ctrlInChannel + extMidiNotes[i].velo ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF;

  2121.                     midiEvent[1] = extMidiNotes[i].note;

  2122.                     midiEvent[2] = extMidiNotes[i].velo;

  2123. 

  2124.                     // send to first midi input

  2125.                     for (k=0; k < evIn.count; k++)

  2126.                     {

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

  2128.                         {

  2129.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2130.                             {

  2131.                                 LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2132.                                 aev->time.frames = 0;

  2133.                                 aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2134.                                 aev->body.size   = 3;

  2135.                                 memcpy(LV2_ATOM_BODY(&aev->body), midiEvent, 3);

  2136. 

  2137.                                 const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 3);

  2138.                                 evInAtomOffsets[k]           += evInPadSize;

  2139.                                 evIn.data[k].atom->atom.size += evInPadSize;

  2140.                             }

  2141.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2142.                             {

  2143.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2144.                             }

  2145.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2146.                             {

  2147.                                 lv2midi_put_event(&evInMidiStates[k], 0, 3, midiEvent);

  2148.                             }

  2149. 

  2150.                             break;

  2151.                         }

  2152.                     }

  2153. 

  2154.                     extMidiNotes[i].channel = -1; // mark as invalid

  2155.                     midiEventCount += 1;

  2156.                 }

  2157. 

  2158.                 engineMidiUnlock();

  2159. 

  2160.             } // End of MIDI Input (External)

  2161. 

  2162.             CARLA_PROCESS_CONTINUE_CHECK;

  2163. 

  2164.             // ----------------------------------------------------------------------------------------------------

  2165.             // MIDI Input (System)

  2166. 

  2167.             for (i=0; i < evIn.count; i++)

  2168.             {

  2169.                 if (! evIn.data[i].port)

  2170.                     continue;

  2171. 

  2172.                 const CarlaEngineMidiEvent* minEvent;

  2173.                 uint32_t time, nEvents = evIn.data[i].port->getEventCount();

  2174. 

  2175.                 for (k=0; k < nEvents && midiEventCount < MAX_MIDI_EVENTS; k++)

  2176.                 {

  2177.                     minEvent = evIn.data[i].port->getEvent(k);

  2178. 

  2179.                     if (! minEvent)

  2180.                         continue;

  2181. 

  2182.                     time = minEvent->time - framesOffset;

  2183. 

  2184.                     if (time >= frames)

  2185.                         continue;

  2186. 

  2187.                     uint8_t status  = minEvent->data[0];

  2188.                     uint8_t channel = status & 0x0F;

  2189. 

  2190.                     // Fix bad note-off

  2191.                     if (MIDI_IS_STATUS_NOTE_ON(status) && minEvent->data[2] == 0)

  2192.                         status -= 0x10;

  2193. 

  2194.                     // only write supported status types

  2195.                     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))

  2196.                     {

  2197.                         if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2198.                         {

  2199.                             LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2200.                             aev->time.frames = time;

  2201.                             aev->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2202.                             aev->body.size   = minEvent->size;

  2203.                             memcpy(LV2_ATOM_BODY(&aev->body), minEvent->data, minEvent->size);

  2204. 

  2205.                             const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + minEvent->size);

  2206.                             evInAtomOffsets[i]           += evInPadSize;

  2207.                             evIn.data[i].atom->atom.size += evInPadSize;

  2208.                         }

  2209.                         else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2210.                         {

  2211.                             lv2_event_write(&evInEventIters[i], time, 0, CARLA_URI_MAP_ID_MIDI_EVENT, minEvent->size, minEvent->data);

  2212.                         }

  2213.                         else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2214.                         {

  2215.                             lv2midi_put_event(&evInMidiStates[i], time, minEvent->size, minEvent->data);

  2216.                         }

  2217. 

  2218.                         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2219.                             postponeEvent(PluginPostEventNoteOff, channel, minEvent->data[1], 0.0);

  2220.                         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2221.                             postponeEvent(PluginPostEventNoteOn, channel, minEvent->data[1], minEvent->data[2]);

  2222.                     }

  2223. 

  2224.                     midiEventCount += 1;

  2225.                 }

  2226.             } // End of MIDI Input (System)

  2227. 

  2228.             // ----------------------------------------------------------------------------------------------------

  2229.             // Message Input

  2230. 

  2231.             {

  2232.                 for (i=0; i < evIn.count; i++)

  2233.                 {

  2234.                     if (! evIn.data[i].type & CARLA_EVENT_TYPE_MESSAGE)

  2235.                         continue;

  2236. 

  2237. #if 0

  2238.                      // send transport info if changed

  2239.                     const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2240. 

  2241.                     if (timeInfo->playing != lastTimePosPlaying || timeInfo->frame != lastTimePosFrame)

  2242.                     {

  2243.                         uint8_t posBuf[256];

  2244.                         LV2_Atom* const lv2Pos = (LV2_Atom*)posBuf;

  2245. 

  2246.                         LV2_Atom_Forge tempForge;

  2247.                         LV2_Atom_Forge* const forge = &tempForge;

  2248.                         lv2_atom_forge_set_buffer(forge, posBuf, sizeof(uint8_t)*256);

  2249. 

  2250.                         //LV2_Atom_Forge_Frame frame;

  2251.                         //lv2_atom_forge_blank(forge, &frame, 1, jalv->urids.time_Position);

  2252.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_frame, 0);

  2253.                         lv2_atom_forge_long(forge, timeInfo->frame);

  2254.                         //lv2_atom_forge_property_head(forge, jalv->urids.time_position, 0);

  2255.                         lv2_atom_forge_long(forge, timeInfo->time);

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

  2257.                         lv2_atom_forge_float(forge, timeInfo->playing ? 1.0 : 0.0);

  2258. 

  2259.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2260.                         {

  2261.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_bar, 0);

  2262.                             lv2_atom_forge_float(forge, timeInfo->bbt.bar - 1);

  2263. 

  2264.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_barBeat, 0);

  2265.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat));

  2266. 

  2267.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beat, 0);

  2268.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat - 1); // FIXME: -1 ?

  2269. 

  2270.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatUnit, 0);

  2271.                             lv2_atom_forge_float(forge, timeInfo->bbt.beat_type);

  2272. 

  2273.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatsPerBar, 0);

  2274.                             lv2_atom_forge_float(forge, timeInfo->bbt.beats_per_bar);

  2275. 

  2276.                             //lv2_atom_forge_property_head(forge, jalv->urids.time_beatsPerMinute, 0);

  2277.                             lv2_atom_forge_float(forge, timeInfo->bbt.beats_per_minute);

  2278.                         }

  2279. 

  2280.                         LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2281.                         aev->time.frames = framesOffset;

  2282.                         aev->body.type   = lv2Pos->type;

  2283.                         aev->body.size   = lv2Pos->size;

  2284.                         memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(lv2Pos), lv2Pos->size);

  2285. 

  2286.                         const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + lv2Pos->size);

  2287.                         evInAtomOffsets[i]           += evInPadSize;

  2288.                         evIn.data[i].atom->atom.size += evInPadSize;

  2289. 

  2290.                         lastTimePosPlaying = timeInfo->playing;

  2291.                         lastTimePosFrame   = timeInfo->playing ? timeInfo->frame + frames : timeInfo->frame;

  2292.                     }

  2293. #endif

  2294. 

  2295.                     atomQueueIn.lock();

  2296. 

  2297.                     if (! atomQueueIn.isEmpty())

  2298.                     {

  2299.                         uint32_t portIndex;

  2300.                         const LV2_Atom* atom;

  2301. 

  2302.                         while (atomQueueIn.get(&portIndex, &atom, false))

  2303.                         {

  2304.                             if (atom->type == CARLA_URI_MAP_ID_ATOM_WORKER)

  2305.                             {

  2306.                                 const LV2_Atom_Worker* const atomWorker = (const LV2_Atom_Worker*)atom;

  2307.                                 ext.worker->work_response(handle, atomWorker->body.size, atomWorker->body.data);

  2308.                                 continue;

  2309.                             }

  2310. 

  2311.                             LV2_Atom_Event* const aev = getLv2AtomEvent(evIn.data[i].atom, evInAtomOffsets[i]);

  2312.                             aev->time.frames = framesOffset;

  2313.                             aev->body.type   = atom->type;

  2314.                             aev->body.size   = atom->size;

  2315.                             memcpy(LV2_ATOM_BODY(&aev->body), LV2_ATOM_BODY(atom), atom->size);

  2316. 

  2317.                             const uint32_t evInPadSize    = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + atom->size);

  2318.                             evInAtomOffsets[i]           += evInPadSize;

  2319.                             evIn.data[i].atom->atom.size += evInPadSize;

  2320.                         }

  2321.                     }

  2322. 

  2323.                     atomQueueIn.unlock();

  2324.                 }

  2325.             }

  2326. 

  2327.         } // End of Event Input

  2328. 

  2329.         CARLA_PROCESS_CONTINUE_CHECK;

  2330. 

  2331.         // --------------------------------------------------------------------------------------------------------

  2332.         // Special Parameters

  2333. 

  2334.         {

  2335.             int32_t rindex;

  2336.             const CarlaTimeInfo* const timeInfo = x_engine->getTimeInfo();

  2337. 

  2338.             for (k=0; k < param.count; k++)

  2339.             {

  2340.                 if (param.data[k].type == PARAMETER_LATENCY)

  2341.                 {

  2342.                     // TODO

  2343.                 }

  2344.                 else if (param.data[k].type == PARAMETER_LV2_FREEWHEEL)

  2345.                 {

  2346.                     setParameterValue(k, x_engine->isOffline() ? 1.0 : 0.0, false, false, false);

  2347.                 }

  2348.                 else if (param.data[k].type == PARAMETER_LV2_TIME)

  2349.                 {

  2350.                     rindex = param.data[k].rindex;

  2351.                     CARLA_ASSERT(rindex >= 0 && rindex < (int32_t)rdf_descriptor->PortCount);

  2352. 

  2353.                     switch (rdf_descriptor->Ports[rindex].Designation)

  2354.                     {

  2355.                     // Non-BBT

  2356.                     case LV2_PORT_DESIGNATION_TIME_FRAME:

  2357.                         setParameterValue(k, timeInfo->frame, false, false, false);

  2358.                         break;

  2359.                     case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2360.                         break;

  2361.                     case LV2_PORT_DESIGNATION_TIME_POSITION:

  2362.                         setParameterValue(k, timeInfo->time, false, false, false);

  2363.                         break;

  2364.                     case LV2_PORT_DESIGNATION_TIME_SPEED:

  2365.                         setParameterValue(k, timeInfo->playing ? 1.0 : 0.0, false, false, false);

  2366.                         break;

  2367.                     // BBT

  2368.                     case LV2_PORT_DESIGNATION_TIME_BAR:

  2369.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2370.                             setParameterValue(k, timeInfo->bbt.bar - 1, false, false, false);

  2371.                         break;

  2372.                     case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2373.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2374.                             setParameterValue(k, timeInfo->bbt.beat - 1 + (timeInfo->bbt.tick / timeInfo->bbt.ticks_per_beat), false, false, false);

  2375.                         break;

  2376.                     case LV2_PORT_DESIGNATION_TIME_BEAT:

  2377.                         if (timeInfo->valid & CarlaEngineTimeBBT)  // FIXME: -1 ?

  2378.                             setParameterValue(k, timeInfo->bbt.beat - 1, false, false, false);

  2379.                         break;

  2380.                     case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2381.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2382.                             setParameterValue(k, timeInfo->bbt.beat_type, false, false, false);

  2383.                         break;

  2384.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2385.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2386.                             setParameterValue(k, timeInfo->bbt.beats_per_bar, false, false, false);

  2387.                         break;

  2388.                     case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2389.                         if (timeInfo->valid & CarlaEngineTimeBBT)

  2390.                             setParameterValue(k, timeInfo->bbt.beats_per_minute, false, false, false);

  2391.                         break;

  2392.                     }

  2393.                 }

  2394.             }

  2395.         }

  2396. 

  2397.         CARLA_PROCESS_CONTINUE_CHECK;

  2398. 

  2399.         // --------------------------------------------------------------------------------------------------------

  2400.         // Plugin processing

  2401. 

  2402.         if (m_active)

  2403.         {

  2404.             if (! m_activeBefore)

  2405.             {

  2406.                 if (evIn.count > 0 && m_ctrlInChannel >= 0 && m_ctrlInChannel < 16)

  2407.                 {

  2408.                     uint8_t midiEvent1[2] = { 0 };

  2409.                     midiEvent1[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2410.                     midiEvent1[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2411. 

  2412.                     uint8_t midiEvent2[2] = { 0 };

  2413.                     midiEvent2[0] = MIDI_STATUS_CONTROL_CHANGE + m_ctrlInChannel;

  2414.                     midiEvent2[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2415. 

  2416.                     // send to all midi inputs

  2417.                     for (k=0; k < evIn.count; k++)

  2418.                     {

  2419.                         if (evIn.data[k].type & CARLA_EVENT_TYPE_MIDI)

  2420.                         {

  2421.                             if (evIn.data[k].type & CARLA_EVENT_DATA_ATOM)

  2422.                             {

  2423.                                 // all sound off

  2424.                                 LV2_Atom_Event* const aev1 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2425.                                 aev1->time.frames = 0;

  2426.                                 aev1->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2427.                                 aev1->body.size   = 2;

  2428.                                 memcpy(LV2_ATOM_BODY(&aev1->body), midiEvent1, 2);

  2429. 

  2430.                                 const uint32_t padSize = lv2_atom_pad_size(sizeof(LV2_Atom_Event) + 2);

  2431.                                 evInAtomOffsets[k]           += padSize;

  2432.                                 evIn.data[k].atom->atom.size += padSize;

  2433. 

  2434.                                 // all notes off

  2435.                                 LV2_Atom_Event* const aev2 = getLv2AtomEvent(evIn.data[k].atom, evInAtomOffsets[k]);

  2436.                                 aev2->time.frames = 0;

  2437.                                 aev2->body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2438.                                 aev2->body.size   = 2;

  2439.                                 memcpy(LV2_ATOM_BODY(&aev2->body), midiEvent2, 2);

  2440. 

  2441.                                 evInAtomOffsets[k]           += padSize;

  2442.                                 evIn.data[k].atom->atom.size += padSize;

  2443.                             }

  2444.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_EVENT)

  2445.                             {

  2446.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent1);

  2447.                                 lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiEvent2);

  2448.                             }

  2449.                             else if (evIn.data[k].type & CARLA_EVENT_DATA_MIDI_LL)

  2450.                             {

  2451.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent1);

  2452.                                 lv2midi_put_event(&evInMidiStates[k], 0, 2, midiEvent2);

  2453.                             }

  2454.                         }

  2455.                     }

  2456. 

  2457.                     midiEventCount = 2;

  2458.                 }

  2459. 

  2460.                 if (descriptor->activate)

  2461.                 {

  2462.                     descriptor->activate(handle);

  2463.                     if (h2) descriptor->activate(h2);

  2464.                 }

  2465.             }

  2466. 

  2467.             for (i=0; i < aIn.count; i++)

  2468.             {

  2469.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aIn.rindexes[i], inBuffer[i]);

  2470.                 if (i == 1 && h2) descriptor->connect_port(h2, aIn.rindexes[i], inBuffer[i]);

  2471.             }

  2472. 

  2473.             for (i=0; i < aOut.count; i++)

  2474.             {

  2475.                 if (i == 0 || ! h2) descriptor->connect_port(handle, aOut.rindexes[i], outBuffer[i]);

  2476.                 if (i == 1 && h2)   descriptor->connect_port(h2, aOut.rindexes[i], outBuffer[i]);

  2477.             }

  2478. 

  2479.             descriptor->run(handle, frames);

  2480.             if (h2) descriptor->run(h2, frames);

  2481. 

  2482.             if (ext.worker && ext.worker->end_run)

  2483.             {

  2484.                 ext.worker->end_run(handle);

  2485.                 if (h2) ext.worker->end_run(h2);

  2486.             }

  2487.         }

  2488.         else

  2489.         {

  2490.             if (m_activeBefore)

  2491.             {

  2492.                 if (descriptor->deactivate)

  2493.                 {

  2494.                     descriptor->deactivate(handle);

  2495.                     if (h2) descriptor->deactivate(h2);

  2496.                 }

  2497.             }

  2498.         }

  2499. 

  2500.         CARLA_PROCESS_CONTINUE_CHECK;

  2501. 

  2502.         // --------------------------------------------------------------------------------------------------------

  2503.         // Post-processing (dry/wet, volume and balance)

  2504. 

  2505.         if (m_active)

  2506.         {

  2507.             bool do_drywet  = (m_hints & PLUGIN_CAN_DRYWET) > 0 && x_dryWet != 1.0;

  2508.             bool do_volume  = (m_hints & PLUGIN_CAN_VOLUME) > 0 && x_volume != 1.0;

  2509.             bool do_balance = (m_hints & PLUGIN_CAN_BALANCE) > 0 && (x_balanceLeft != -1.0 || x_balanceRight != 1.0);

  2510. 

  2511.             double bal_rangeL, bal_rangeR;

  2512.             float oldBufLeft[do_balance ? frames : 0];

  2513. 

  2514.             for (i=0; i < aOut.count; i++)

  2515.             {

  2516.                 // Dry/Wet

  2517.                 if (do_drywet)

  2518.                 {

  2519.                     for (k=0; k < frames; k++)

  2520.                     {

  2521.                         if (aOut.count == 1)

  2522.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[0][k]*(1.0-x_dryWet));

  2523.                         else

  2524.                             outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(inBuffer[i][k]*(1.0-x_dryWet));

  2525.                     }

  2526.                 }

  2527. 

  2528.                 // Balance

  2529.                 if (do_balance)

  2530.                 {

  2531.                     if (i%2 == 0)

  2532.                         memcpy(&oldBufLeft, outBuffer[i], sizeof(float)*frames);

  2533. 

  2534.                     bal_rangeL = (x_balanceLeft+1.0)/2;

  2535.                     bal_rangeR = (x_balanceRight+1.0)/2;

  2536. 

  2537.                     for (k=0; k < frames; k++)

  2538.                     {

  2539.                         if (i%2 == 0)

  2540.                         {

  2541.                             // left output

  2542.                             outBuffer[i][k]  = oldBufLeft[k]*(1.0-bal_rangeL);

  2543.                             outBuffer[i][k] += outBuffer[i+1][k]*(1.0-bal_rangeR);

  2544.                         }

  2545.                         else

  2546.                         {

  2547.                             // right

  2548.                             outBuffer[i][k]  = outBuffer[i][k]*bal_rangeR;

  2549.                             outBuffer[i][k] += oldBufLeft[k]*bal_rangeL;

  2550.                         }

  2551.                     }

  2552.                 }

  2553. 

  2554.                 // Volume

  2555.                 if (do_volume)

  2556.                 {

  2557.                     for (k=0; k < frames; k++)

  2558.                         outBuffer[i][k] *= x_volume;

  2559.                 }

  2560. 

  2561.                 // Output VU

  2562.                 for (k=0; i < 2 && k < frames; k++)

  2563.                 {

  2564.                     if (abs(outBuffer[i][k]) > aOutsPeak[i])

  2565.                         aOutsPeak[i] = abs(outBuffer[i][k]);

  2566.                 }

  2567.             }

  2568.         }

  2569.         else

  2570.         {

  2571.             // disable any output sound if not active

  2572.             for (i=0; i < aOut.count; i++)

  2573.                 memset(outBuffer[i], 0.0f, sizeof(float)*frames);

  2574. 

  2575.             aOutsPeak[0] = 0.0;

  2576.             aOutsPeak[1] = 0.0;

  2577. 

  2578.         } // End of Post-processing

  2579. 

  2580.         CARLA_PROCESS_CONTINUE_CHECK;

  2581. 

  2582.         // --------------------------------------------------------------------------------------------------------

  2583.         // Control Output

  2584. 

  2585.         if (param.portCout && m_active)

  2586.         {

  2587.             double value;

  2588. 

  2589.             for (k=0; k < param.count; k++)

  2590.             {

  2591.                 if (param.data[k].type == PARAMETER_OUTPUT)

  2592.                 {

  2593.                     fixParameterValue(paramBuffers[k], param.ranges[k]);

  2594. 

  2595.                     if (param.data[k].midiCC > 0)

  2596.                     {

  2597.                         value = (paramBuffers[k] - param.ranges[k].min) / (param.ranges[k].max - param.ranges[k].min);

  2598.                         param.portCout->writeEvent(CarlaEngineEventControlChange, framesOffset, param.data[k].midiChannel, param.data[k].midiCC, value);

  2599.                     }

  2600.                 }

  2601.             }

  2602.         } // End of Control Output

  2603. 

  2604.         CARLA_PROCESS_CONTINUE_CHECK;

  2605. 

  2606.         // --------------------------------------------------------------------------------------------------------

  2607.         // Event Output

  2608. 

  2609.         if (evOut.count > 0 && m_active)

  2610.         {

  2611.             atomQueueOut.lock();

  2612. 

  2613.             for (i=0; i < evOut.count; i++)

  2614.             {

  2615.                 // midi events need the midi port to send events to

  2616.                 if ((evOut.data[i].type & CARLA_EVENT_TYPE_MIDI) > 0 && ! evOut.data[i].port)

  2617.                     continue;

  2618. 

  2619.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2620.                 {

  2621.                     int32_t size   = evOut.data[i].atom->atom.size - sizeof(LV2_Atom_Sequence_Body);

  2622.                     int32_t offset = 0;

  2623. 

  2624.                     while (offset < size)

  2625.                     {

  2626.                         qDebug("output event??, offset:%i, size:%i", offset, size);

  2627.                         const LV2_Atom_Event* const aev = (LV2_Atom_Event*)((char*)LV2_ATOM_CONTENTS(LV2_Atom_Sequence, evOut.data[i].atom) + offset);

  2628. 

  2629.                         if ((! aev) || aev->body.type == CARLA_URI_MAP_ID_NULL)

  2630.                             break;

  2631. 

  2632.                         qDebug("output event ------------------------------ YES!");

  2633. 

  2634.                         if (aev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  2635.                         {

  2636.                             const unsigned char* const data = (unsigned char*)LV2_ATOM_BODY(&aev->body);

  2637.                             evOut.data[i].port->writeEvent(aev->time.frames, data, aev->body.size);

  2638.                         }

  2639.                         else if (aev->body.type == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  2640.                         {

  2641.                             if (! atomQueueOut.isFull())

  2642.                                 atomQueueOut.put(evOut.data[i].rindex, &aev->body);

  2643.                         }

  2644. 

  2645.                         offset += lv2_atom_pad_size(sizeof(LV2_Atom_Event) + aev->body.size);

  2646.                     }

  2647.                 }

  2648.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2649.                 {

  2650.                     const LV2_Event* ev;

  2651.                     LV2_Event_Iterator iter;

  2652. 

  2653.                     uint8_t* data;

  2654.                     lv2_event_begin(&iter, evOut.data[i].event);

  2655. 

  2656.                     for (k=0; k < iter.buf->event_count; k++)

  2657.                     {

  2658.                         ev = lv2_event_get(&iter, &data);

  2659. 

  2660.                         if (ev && ev->type == CARLA_URI_MAP_ID_MIDI_EVENT && data)

  2661.                             evOut.data[i].port->writeEvent(ev->frames, data, ev->size);

  2662. 

  2663.                         lv2_event_increment(&iter);

  2664.                     }

  2665.                 }

  2666.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2667.                 {

  2668.                     LV2_MIDIState state = { evOut.data[i].midi, frames, 0 };

  2669. 

  2670.                     uint32_t eventSize;

  2671.                     double   eventTime;

  2672.                     unsigned char* eventData;

  2673. 

  2674.                     while (lv2midi_get_event(&state, &eventTime, &eventSize, &eventData) < frames)

  2675.                     {

  2676.                         evOut.data[i].port->writeEvent(eventTime, eventData, eventSize);

  2677.                         lv2midi_step(&state);

  2678.                     }

  2679.                 }

  2680.             }

  2681. 

  2682.             atomQueueOut.unlock();

  2683. 

  2684.         } // End of Event Output

  2685. 

  2686.         CARLA_PROCESS_CONTINUE_CHECK;

  2687. 

  2688.         // --------------------------------------------------------------------------------------------------------

  2689.         // Peak Values

  2690. 

  2691.         x_engine->setInputPeak(m_id, 0, aInsPeak[0]);

  2692.         x_engine->setInputPeak(m_id, 1, aInsPeak[1]);

  2693.         x_engine->setOutputPeak(m_id, 0, aOutsPeak[0]);

  2694.         x_engine->setOutputPeak(m_id, 1, aOutsPeak[1]);

  2695. 

  2696.         m_activeBefore = m_active;

  2697.     }

  2698. 

  2699.     void bufferSizeChanged(const uint32_t newBufferSize)

  2700.     {

  2701.         lv2Options.bufferSize = newBufferSize;

  2702.     }

  2703. 

  2704.     // -------------------------------------------------------------------

  2705.     // Post-poned events

  2706. 

  2707.     void postEventHandleCustom(const int32_t size, const int32_t, const double, const void* const data)

  2708.     {

  2709.         qDebug("Lv2Plugin::postEventHandleCustom(%i, %p)", size, data);

  2710.         CARLA_ASSERT(ext.worker && ext.worker->work);

  2711. 

  2712.         if (ext.worker && ext.worker->work)

  2713.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  2714.     }

  2715. 

  2716.     void uiParameterChange(const uint32_t index, const double value)

  2717.     {

  2718.         CARLA_ASSERT(index < param.count);

  2719. 

  2720.         if (index >= param.count)

  2721.             return;

  2722. 

  2723. #ifndef BUILD_BRIDGE

  2724.         if (gui.type == GUI_EXTERNAL_OSC)

  2725.         {

  2726.             if (osc.data.target)

  2727.                 osc_send_control(&osc.data, param.data[index].rindex, value);

  2728.         }

  2729.         else

  2730. #endif

  2731.         {

  2732.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2733.             {

  2734.                 float valueF = value;

  2735.                 ui.descriptor->port_event(ui.handle, param.data[index].rindex, sizeof(float), 0, &valueF);

  2736.             }

  2737.         }

  2738.     }

  2739. 

  2740.     void uiMidiProgramChange(const uint32_t index)

  2741.     {

  2742.         CARLA_ASSERT(index < midiprog.count);

  2743. 

  2744.         if (index >= midiprog.count)

  2745.             return;

  2746. 

  2747. #ifndef BUILD_BRIDGE

  2748.         if (gui.type == GUI_EXTERNAL_OSC)

  2749.         {

  2750.             if (osc.data.target)

  2751.                 osc_send_midi_program(&osc.data, midiprog.data[index].bank, midiprog.data[index].program);

  2752.         }

  2753.         else

  2754. #endif

  2755.         {

  2756.             if (ext.uiprograms)

  2757.                 ext.uiprograms->select_program(ui.handle, midiprog.data[index].bank, midiprog.data[index].program);

  2758.         }

  2759.     }

  2760. 

  2761.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  2762.     {

  2763.         CARLA_ASSERT(channel < 16);

  2764.         CARLA_ASSERT(note < 128);

  2765.         CARLA_ASSERT(velo > 0 && velo < 128);

  2766. 

  2767. #ifndef BUILD_BRIDGE

  2768.         if (gui.type == GUI_EXTERNAL_OSC)

  2769.         {

  2770.             if (osc.data.target)

  2771.             {

  2772.                 uint8_t midiData[4] = { 0 };

  2773.                 midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  2774.                 midiData[2] = note;

  2775.                 midiData[3] = velo;

  2776.                 osc_send_midi(&osc.data, midiData);

  2777.             }

  2778.         }

  2779.         else

  2780. #endif

  2781.         {

  2782.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2783.             {

  2784.                 LV2_Atom_MidiEvent midiEv;

  2785.                 midiEv.event.time.frames = 0;

  2786.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2787.                 midiEv.event.body.size   = 3;

  2788.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2789.                 midiEv.data[1] = note;

  2790.                 midiEv.data[2] = velo;

  2791. 

  2792.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2793.             }

  2794.         }

  2795.     }

  2796. 

  2797.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  2798.     {

  2799.         CARLA_ASSERT(channel < 16);

  2800.         CARLA_ASSERT(note < 128);

  2801. 

  2802. #ifndef BUILD_BRIDGE

  2803.         if (gui.type == GUI_EXTERNAL_OSC)

  2804.         {

  2805.             if (osc.data.target)

  2806.             {

  2807.                 uint8_t midiData[4] = { 0 };

  2808.                 midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  2809.                 midiData[2] = note;

  2810.                 osc_send_midi(&osc.data, midiData);

  2811.             }

  2812.         }

  2813.         else

  2814. #endif

  2815.         {

  2816.             if (ui.handle && ui.descriptor && ui.descriptor->port_event)

  2817.             {

  2818.                 LV2_Atom_MidiEvent midiEv;

  2819.                 midiEv.event.time.frames = 0;

  2820.                 midiEv.event.body.type   = CARLA_URI_MAP_ID_MIDI_EVENT;

  2821.                 midiEv.event.body.size   = 3;

  2822.                 midiEv.data[0] = MIDI_STATUS_NOTE_OFF + channel;

  2823.                 midiEv.data[1] = note;

  2824.                 midiEv.data[2] = 0;

  2825. 

  2826.                 ui.descriptor->port_event(ui.handle, 0, 3, CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM, &midiEv);

  2827.             }

  2828.         }

  2829.     }

  2830. 

  2831.     // -------------------------------------------------------------------

  2832.     // Cleanup

  2833. 

  2834.     void removeClientPorts()

  2835.     {

  2836.         qDebug("Lv2Plugin::removeClientPorts() - start");

  2837. 

  2838.         for (uint32_t i=0; i < evIn.count; i++)

  2839.         {

  2840.             if (evIn.data[i].port)

  2841.             {

  2842.                 delete evIn.data[i].port;

  2843.                 evIn.data[i].port = nullptr;

  2844.             }

  2845.         }

  2846. 

  2847.         for (uint32_t i=0; i < evOut.count; i++)

  2848.         {

  2849.             if (evOut.data[i].port)

  2850.             {

  2851.                 delete evOut.data[i].port;

  2852.                 evOut.data[i].port = nullptr;

  2853.             }

  2854.         }

  2855. 

  2856.         CarlaPlugin::removeClientPorts();

  2857. 

  2858.         qDebug("Lv2Plugin::removeClientPorts() - end");

  2859.     }

  2860. 

  2861.     void initBuffers()

  2862.     {

  2863.         uint32_t i;

  2864. 

  2865.         for (i=0; i < evIn.count; i++)

  2866.         {

  2867.             if (evIn.data[i].port)

  2868.                 evIn.data[i].port->initBuffer(x_engine);

  2869.         }

  2870. 

  2871.         for (uint32_t i=0; i < evOut.count; i++)

  2872.         {

  2873.             if (evOut.data[i].port)

  2874.                 evOut.data[i].port->initBuffer(x_engine);

  2875.         }

  2876. 

  2877.         CarlaPlugin::initBuffers();

  2878.     }

  2879. 

  2880.     void deleteBuffers()

  2881.     {

  2882.         qDebug("Lv2Plugin::deleteBuffers() - start");

  2883. 

  2884.         if (evIn.count > 0)

  2885.         {

  2886.             for (uint32_t i=0; i < evIn.count; i++)

  2887.             {

  2888.                 if (evIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2889.                 {

  2890.                     free(evIn.data[i].atom);

  2891.                 }

  2892.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2893.                 {

  2894.                     free(evIn.data[i].event);

  2895.                 }

  2896.                 else if (evIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2897.                 {

  2898.                     delete[] evIn.data[i].midi->data;

  2899.                     delete evIn.data[i].midi;

  2900.                 }

  2901.             }

  2902. 

  2903.             delete[] evIn.data;

  2904.         }

  2905. 

  2906.         if (evOut.count > 0)

  2907.         {

  2908.             for (uint32_t i=0; i < evOut.count; i++)

  2909.             {

  2910.                 if (evOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2911.                 {

  2912.                     free(evOut.data[i].atom);

  2913.                 }

  2914.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2915.                 {

  2916.                     free(evOut.data[i].event);

  2917.                 }

  2918.                 else if (evOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2919.                 {

  2920.                     delete[] evOut.data[i].midi->data;

  2921.                     delete evOut.data[i].midi;

  2922.                 }

  2923.             }

  2924. 

  2925.             delete[] evOut.data;

  2926.         }

  2927. 

  2928.         if (param.count > 0)

  2929.             delete[] paramBuffers;

  2930. 

  2931.         evIn.count = 0;

  2932.         evIn.data  = nullptr;

  2933. 

  2934.         evOut.count = 0;

  2935.         evOut.data  = nullptr;

  2936. 

  2937.         paramBuffers = nullptr;

  2938. 

  2939.         CarlaPlugin::deleteBuffers();

  2940. 

  2941.         qDebug("Lv2Plugin::deleteBuffers() - end");

  2942.     }

  2943. 

  2944.     // -------------------------------------------------------------------

  2945. 

  2946.     uint32_t getCustomURID(const char* const uri)

  2947.     {

  2948.         qDebug("Lv2Plugin::getCustomURID(%s)", uri);

  2949.         CARLA_ASSERT(uri);

  2950. 

  2951.         if (! uri)

  2952.             return CARLA_URI_MAP_ID_NULL;

  2953. 

  2954.         for (size_t i=0; i < customURIDs.size(); i++)

  2955.         {

  2956.             if (customURIDs[i] && strcmp(customURIDs[i], uri) == 0)

  2957.                 return i;

  2958.         }

  2959. 

  2960.         customURIDs.push_back(strdup(uri));

  2961. 

  2962.         return customURIDs.size()-1;

  2963.     }

  2964. 

  2965.     const char* getCustomURIString(const LV2_URID urid) const

  2966.     {

  2967.         qDebug("Lv2Plugin::getCustomURIString(%i)", urid);

  2968.         CARLA_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  2969. 

  2970.         if (urid == CARLA_URI_MAP_ID_NULL)

  2971.             return nullptr;

  2972.         if (urid < customURIDs.size())

  2973.             return customURIDs[urid];

  2974. 

  2975.         return nullptr;

  2976.     }

  2977. 

  2978.     // -------------------------------------------------------------------

  2979. 

  2980.     void handleTransferAtom(const int32_t portIndex, const LV2_Atom* const atom)

  2981.     {

  2982.         qDebug("Lv2Plugin::handleTransferAtom(%i, %p)", portIndex, atom);

  2983.         CARLA_ASSERT(portIndex >= 0);

  2984.         CARLA_ASSERT(atom);

  2985. 

  2986.         atomQueueIn.put(portIndex, atom);

  2987.     }

  2988. 

  2989.     void handleTransferEvent(const int32_t portIndex, const LV2_Atom* const atom)

  2990.     {

  2991.         qDebug("Lv2Plugin::handleTransferEvent(%i, %p)", portIndex, atom);

  2992.         CARLA_ASSERT(portIndex >= 0);

  2993.         CARLA_ASSERT(atom);

  2994. 

  2995.         atomQueueIn.put(portIndex, atom);

  2996.     }

  2997. 

  2998.     // -------------------------------------------------------------------

  2999. 

  3000.     void handleProgramChanged(const int32_t index)

  3001.     {

  3002.         if (index == -1)

  3003.         {

  3004.             const CarlaPlugin::ScopedDisabler m(this);

  3005.             reloadPrograms(false);

  3006.         }

  3007.         else

  3008.         {

  3009.             if (index >= 0 && index < (int32_t)prog.count && ext.programs)

  3010.             {

  3011.                 const char* const progName = ext.programs->get_program(handle, index)->name;

  3012.                 CARLA_ASSERT(progName);

  3013. 

  3014.                 if (prog.names[index])

  3015.                     free((void*)prog.names[index]);

  3016. 

  3017.                 prog.names[index] = strdup(progName);

  3018.             }

  3019.         }

  3020. 

  3021.         x_engine->callback(CALLBACK_RELOAD_PROGRAMS, m_id, 0, 0, 0.0);

  3022.     }

  3023. 

  3024.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  3025.     {

  3026.         CARLA_ASSERT(key > 0);

  3027.         CARLA_ASSERT(value);

  3028. 

  3029.         CustomDataType dtype;

  3030.         const char* const uriKey = getCustomURIString(key);

  3031. 

  3032.         if (type == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3033.             dtype = CUSTOM_DATA_CHUNK;

  3034.         else if (type == CARLA_URI_MAP_ID_ATOM_PATH)

  3035.             dtype = CUSTOM_DATA_PATH;

  3036.         else if (type == CARLA_URI_MAP_ID_ATOM_STRING)

  3037.             dtype = CUSTOM_DATA_STRING;

  3038.         else if (type >= CARLA_URI_MAP_ID_COUNT)

  3039.             dtype = CUSTOM_DATA_BINARY;

  3040.         else

  3041.             dtype = CUSTOM_DATA_INVALID;

  3042. 

  3043.         // do basic checks

  3044.         if (! uriKey)

  3045.         {

  3046.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid key", key, value, size, type, flags);

  3047.             return LV2_STATE_ERR_NO_PROPERTY;

  3048.         }

  3049. 

  3050.         if (! flags & LV2_STATE_IS_POD)

  3051.         {

  3052.             qWarning("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid flags", key, value, size, type, flags);

  3053.             return LV2_STATE_ERR_BAD_FLAGS;

  3054.         }

  3055. 

  3056.         if (dtype == CUSTOM_DATA_INVALID)

  3057.         {

  3058.             qCritical("Lv2Plugin::handleStateStore(%i, %p, " P_SIZE ", %i, %i) - invalid type '%s'", key, value, size, type, flags, CustomDataType2str(dtype));

  3059.             return LV2_STATE_ERR_BAD_TYPE;

  3060.         }

  3061. 

  3062.         // Check if we already have this key

  3063.         for (size_t i=0; i < custom.size(); i++)

  3064.         {

  3065.             if (strcmp(custom[i].key, uriKey) == 0)

  3066.             {

  3067.                 free((void*)custom[i].value);

  3068. 

  3069.                 if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3070.                     custom[i].value = strdup((const char*)value);

  3071.                 else

  3072.                     custom[i].value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3073. 

  3074.                 return LV2_STATE_SUCCESS;

  3075.             }

  3076.         }

  3077. 

  3078.         // Otherwise store it

  3079.         CustomData newData;

  3080.         newData.type = dtype;

  3081.         newData.key  = strdup(uriKey);

  3082. 

  3083.         if (dtype == CUSTOM_DATA_STRING || dtype == CUSTOM_DATA_PATH)

  3084.             newData.value = strdup((const char*)value);

  3085.         else

  3086.             newData.value = strdup(QByteArray((const char*)value, size).toBase64().constData());

  3087. 

  3088.         custom.push_back(newData);

  3089. 

  3090.         return LV2_STATE_SUCCESS;

  3091.     }

  3092. 

  3093.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  3094.     {

  3095.         CARLA_ASSERT(key > CARLA_URI_MAP_ID_NULL);

  3096. 

  3097.         const char* const uriKey = getCustomURIString(key);

  3098. 

  3099.         if (! uriKey)

  3100.         {

  3101.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - failed to find key", key, size, type, flags);

  3102.             return nullptr;

  3103.         }

  3104. 

  3105.         const char* stringData = nullptr;

  3106.         CustomDataType dtype = CUSTOM_DATA_INVALID;

  3107. 

  3108.         for (size_t i=0; i < custom.size(); i++)

  3109.         {

  3110.             if (strcmp(custom[i].key, uriKey) == 0)

  3111.             {

  3112.                 dtype      = custom[i].type;

  3113.                 stringData = custom[i].value;

  3114.                 break;

  3115.             }

  3116.         }

  3117. 

  3118.         if (! stringData)

  3119.         {

  3120.             qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key '%s'", key, size, type, flags, uriKey);

  3121.             return nullptr;

  3122.         }

  3123. 

  3124.         *size  = 0;

  3125.         *type  = 0;

  3126.         *flags = LV2_STATE_IS_POD;

  3127. 

  3128.         if (dtype == CUSTOM_DATA_STRING)

  3129.         {

  3130.             *size = strlen(stringData);

  3131.             *type = CARLA_URI_MAP_ID_ATOM_STRING;

  3132.             return stringData;

  3133.         }

  3134.         if (dtype == CUSTOM_DATA_PATH)

  3135.         {

  3136.             *size = strlen(stringData);

  3137.             *type = CARLA_URI_MAP_ID_ATOM_PATH;

  3138.             return stringData;

  3139.         }

  3140.         if (dtype == CUSTOM_DATA_CHUNK || dtype == CUSTOM_DATA_BINARY)

  3141.         {

  3142.             static QByteArray chunk;

  3143.             chunk = QByteArray::fromBase64(stringData);

  3144. 

  3145.             *size = chunk.size();

  3146.             *type = (dtype == CUSTOM_DATA_CHUNK) ? CARLA_URI_MAP_ID_ATOM_CHUNK : key;

  3147.             return chunk.constData();

  3148.         }

  3149. 

  3150.         qCritical("Lv2Plugin::handleStateRetrieve(%i, %p, %p, %p) - invalid key type '%s'", key, size, type, flags, CustomDataType2str(dtype));

  3151.         return nullptr;

  3152.     }

  3153. 

  3154.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  3155.     {

  3156.         if (! ext.worker)

  3157.         {

  3158.             qWarning("Lv2Plugin::handleWorkerSchedule(%i, %p) - plugin has no worker", size, data);

  3159.             return LV2_WORKER_ERR_UNKNOWN;

  3160.         }

  3161. 

  3162.         if (x_engine->isOffline())

  3163.             ext.worker->work(handle, carla_lv2_worker_respond, this, size, data);

  3164.         else

  3165.             postponeEvent(PluginPostEventCustom, size, 0, 0.0, data);

  3166. 

  3167.         return LV2_WORKER_SUCCESS;

  3168.     }

  3169. 

  3170.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  3171.     {

  3172.         LV2_Atom_Worker workerAtom;

  3173.         workerAtom.atom.type = CARLA_URI_MAP_ID_ATOM_WORKER;

  3174.         workerAtom.atom.size = sizeof(LV2_Atom_Worker_Body);

  3175.         workerAtom.body.size = size;

  3176.         workerAtom.body.data = data;

  3177. 

  3178.         atomQueueIn.put(0, (const LV2_Atom*)&workerAtom);

  3179. 

  3180.         return LV2_WORKER_SUCCESS;

  3181.     }

  3182. 

  3183.     void handleExternalUiClosed()

  3184.     {

  3185.         if (ui.handle && ui.descriptor && ui.descriptor->cleanup)

  3186.             ui.descriptor->cleanup(ui.handle);

  3187. 

  3188.         ui.handle = nullptr;

  3189.         x_engine->callback(CALLBACK_SHOW_GUI, m_id, 0, 0, 0.0);

  3190.     }

  3191. 

  3192.     uint32_t handleUiPortMap(const char* const symbol)

  3193.     {

  3194.         CARLA_ASSERT(symbol);

  3195. 

  3196.         if (! symbol)

  3197.             return LV2UI_INVALID_PORT_INDEX;

  3198. 

  3199.         for (uint32_t i=0; i < rdf_descriptor->PortCount; i++)

  3200.         {

  3201.             if (strcmp(rdf_descriptor->Ports[i].Symbol, symbol) == 0)

  3202.                 return i;

  3203.         }

  3204. 

  3205.         return LV2UI_INVALID_PORT_INDEX;

  3206.     }

  3207. 

  3208.     int handleUiResize(const int width, const int height)

  3209.     {

  3210.         CARLA_ASSERT(width > 0);

  3211.         CARLA_ASSERT(height > 0);

  3212. 

  3213.         if (width <= 0 || height <= 0)

  3214.             return 1;

  3215. 

  3216.         gui.width  = width;

  3217.         gui.height = height;

  3218.         x_engine->callback(CALLBACK_RESIZE_GUI, m_id, width, height, 0.0);

  3219. 

  3220.         return 0;

  3221.     }

  3222. 

  3223.     void handleUiWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  3224.     {

  3225.         if (format == 0)

  3226.         {

  3227.             CARLA_ASSERT(buffer);

  3228.             CARLA_ASSERT(bufferSize == sizeof(float));

  3229. 

  3230.             if (bufferSize != sizeof(float))

  3231.                 return;

  3232. 

  3233.             float value = *(float*)buffer;

  3234. 

  3235.             for (uint32_t i=0; i < param.count; i++)

  3236.             {

  3237.                 if (param.data[i].rindex == (int32_t)rindex)

  3238.                     return setParameterValue(i, value, false, true, true);

  3239.             }

  3240.         }

  3241.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3242.         {

  3243.             CARLA_ASSERT(buffer);

  3244. 

  3245.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3246.             handleTransferAtom(rindex, atom);

  3247.         }

  3248.         else if (format == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3249.         {

  3250.             CARLA_ASSERT(buffer);

  3251. 

  3252.             const LV2_Atom* const atom = (const LV2_Atom*)buffer;

  3253.             handleTransferEvent(rindex, atom);

  3254.         }

  3255.     }

  3256. 

  3257.     // -------------------------------------------------------------------

  3258. 

  3259. #ifndef BUILD_BRIDGE

  3260.     bool isUiBridgeable(const uint32_t uiId)

  3261.     {

  3262.         CARLA_ASSERT(rdf_descriptor);

  3263.         CARLA_ASSERT(uiId < rdf_descriptor->UICount);

  3264. 

  3265.         if (uiId >= rdf_descriptor->UICount)

  3266.             return false;

  3267. 

  3268.         const LV2_RDF_UI* const rdf_ui = &rdf_descriptor->UIs[uiId];

  3269. 

  3270.         for (uint32_t i=0; i < rdf_ui->FeatureCount; i++)

  3271.         {

  3272.             if (strcmp(rdf_ui->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0 || strcmp(rdf_ui->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  3273.                 return false;

  3274.         }

  3275. 

  3276.         return true;

  3277.     }

  3278. #endif

  3279. 

  3280.     bool isUiResizable()

  3281.     {

  3282.         CARLA_ASSERT(ui.rdf_descriptor);

  3283. 

  3284.         if (! ui.rdf_descriptor)

  3285.             return false;

  3286. 

  3287.         for (uint32_t i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  3288.         {

  3289.             if (strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__fixedSize) == 0 || strcmp(ui.rdf_descriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  3290.                 return false;

  3291.         }

  3292. 

  3293.         return true;

  3294.     }

  3295. 

  3296.     void initExternalUi()

  3297.     {

  3298.         qDebug("Lv2Plugin::initExternalUi()");

  3299. 

  3300.         ui.widget = nullptr;

  3301.         ui.handle = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  3302. 

  3303.         if (ui.handle && ui.widget)

  3304.         {

  3305.             updateUi();

  3306.         }

  3307.         else

  3308.         {

  3309.             qWarning("Lv2Plugin::initExternalUi() - failed to instantiate UI");

  3310.             ui.handle = nullptr;

  3311.             ui.widget = nullptr;

  3312.             x_engine->callback(CALLBACK_SHOW_GUI, m_id, -1, 0, 0.0);

  3313.         }

  3314.     }

  3315. 

  3316.     void uiTransferCustomData(const CustomData* const cdata)

  3317.     {

  3318.         if (cdata->type == CUSTOM_DATA_INVALID || ! (ui.handle && ui.descriptor && ui.descriptor->port_event))

  3319.             return;

  3320. 

  3321.         LV2_URID_Map* const URID_Map = (LV2_URID_Map*)features[lv2_feature_id_urid_map]->data;

  3322.         const LV2_URID uridPatchSet  = getCustomURID(LV2_PATCH__Set);

  3323.         const LV2_URID uridPatchBody = getCustomURID(LV2_PATCH__body);

  3324. 

  3325.         Sratom* const sratom = sratom_new(URID_Map);

  3326.         SerdChunk     chunk  = { nullptr, 0 };

  3327. 

  3328.         LV2_Atom_Forge forge;

  3329.         lv2_atom_forge_init(&forge, URID_Map);

  3330.         lv2_atom_forge_set_sink(&forge, sratom_forge_sink, sratom_forge_deref, &chunk);

  3331. 

  3332.         LV2_Atom_Forge_Frame refFrame, bodyFrame;

  3333.         LV2_Atom_Forge_Ref   ref = lv2_atom_forge_blank(&forge, &refFrame, 1, uridPatchSet);

  3334. 

  3335.         lv2_atom_forge_property_head(&forge, uridPatchBody, CARLA_URI_MAP_ID_NULL);

  3336.         lv2_atom_forge_blank(&forge, &bodyFrame, 2, CARLA_URI_MAP_ID_NULL);

  3337. 

  3338.         lv2_atom_forge_property_head(&forge, getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3339. 

  3340.         if (cdata->type == CUSTOM_DATA_STRING)

  3341.             lv2_atom_forge_string(&forge, cdata->value, strlen(cdata->value));

  3342.         else if (cdata->type == CUSTOM_DATA_PATH)

  3343.             lv2_atom_forge_path(&forge, cdata->value, strlen(cdata->value));

  3344.         else if (cdata->type == CUSTOM_DATA_CHUNK)

  3345.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), CARLA_URI_MAP_ID_ATOM_CHUNK, CARLA_URI_MAP_ID_NULL);

  3346.         else

  3347.             lv2_atom_forge_literal(&forge, cdata->value, strlen(cdata->value), getCustomURID(cdata->key), CARLA_URI_MAP_ID_NULL);

  3348. 

  3349.         lv2_atom_forge_pop(&forge, &bodyFrame);

  3350.         lv2_atom_forge_pop(&forge, &refFrame);

  3351. 

  3352.         uint32_t portIndex = evIn.count > 0 ? evIn.data[0].rindex : 0;

  3353. 

  3354.         const LV2_Atom* const atom = lv2_atom_forge_deref(&forge, ref);

  3355.         ui.descriptor->port_event(ui.handle, portIndex, atom->size, CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  3356. 

  3357.         free((void*)chunk.buf);

  3358.         sratom_free(sratom);

  3359.     }

  3360. 

  3361.     void updateUi()

  3362.     {

  3363.         ext.uiprograms = nullptr;

  3364. 

  3365.         if (ui.handle && ui.descriptor)

  3366.         {

  3367.             if (ui.descriptor->extension_data)

  3368.             {

  3369.                 ext.uiprograms = (const LV2_Programs_UI_Interface*)ui.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  3370. 

  3371.                 if (ext.uiprograms && ! ext.uiprograms->select_program)

  3372.                     // invalid

  3373.                     ext.uiprograms = nullptr;

  3374. 

  3375.                 if (ext.uiprograms && midiprog.count > 0 && midiprog.current >= 0)

  3376.                     ext.uiprograms->select_program(ui.handle, midiprog.data[midiprog.current].bank, midiprog.data[midiprog.current].program);

  3377.             }

  3378. 

  3379.             if (ui.descriptor->port_event)

  3380.             {

  3381.                 // update control ports

  3382.                 float valueF;

  3383.                 for (uint32_t i=0; i < param.count; i++)

  3384.                 {

  3385.                     valueF = getParameterValue(i);

  3386.                     ui.descriptor->port_event(ui.handle, param.data[i].rindex, sizeof(float), CARLA_URI_MAP_ID_NULL, &valueF);

  3387.                 }

  3388.             }

  3389.         }

  3390.     }

  3391. 

  3392.     // ----------------- Event Feature ---------------------------------------------------

  3393. 

  3394.     static uint32_t carla_lv2_event_ref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3395.     {

  3396.         qDebug("Lv2Plugin::carla_lv2_event_ref(%p, %p)", callback_data, event);

  3397.         CARLA_ASSERT(callback_data);

  3398.         CARLA_ASSERT(event);

  3399. 

  3400.         return 0;

  3401.     }

  3402. 

  3403.     static uint32_t carla_lv2_event_unref(const LV2_Event_Callback_Data callback_data, LV2_Event* const event)

  3404.     {

  3405.         qDebug("Lv2Plugin::carla_lv2_event_unref(%p, %p)", callback_data, event);

  3406.         CARLA_ASSERT(callback_data);

  3407.         CARLA_ASSERT(event);

  3408. 

  3409.         return 0;

  3410.     }

  3411. 

  3412.     // ----------------- Logs Feature ----------------------------------------------------

  3413. 

  3414.     static int carla_lv2_log_printf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, ...)

  3415.     {

  3416.         qDebug("Lv2Plugin::carla_lv2_log_printf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3417.         CARLA_ASSERT(handle);

  3418.         CARLA_ASSERT(type > 0);

  3419. 

  3420. #ifndef DEBUG

  3421.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3422.             return 0;

  3423. #endif

  3424. 

  3425.         va_list args;

  3426.         va_start(args, fmt);

  3427.         const int ret = carla_lv2_log_vprintf(handle, type, fmt, args);

  3428.         va_end(args);

  3429. 

  3430.         return ret;

  3431.     }

  3432. 

  3433.     static int carla_lv2_log_vprintf(const LV2_Log_Handle handle, const LV2_URID type, const char* const fmt, va_list ap)

  3434.     {

  3435.         qDebug("Lv2Plugin::carla_lv2_log_vprintf(%p, %i, \"%s\", ...)", handle, type, fmt);

  3436.         CARLA_ASSERT(handle);

  3437.         CARLA_ASSERT(type > 0);

  3438. 

  3439. #ifndef DEBUG

  3440.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  3441.             return 0;

  3442. #endif

  3443. 

  3444.         char buf[8196];

  3445.         vsprintf(buf, fmt, ap);

  3446. 

  3447.         if (*buf == 0)

  3448.             return 0;

  3449. 

  3450.         switch (type)

  3451.         {

  3452.         case CARLA_URI_MAP_ID_LOG_ERROR:

  3453.             qCritical("%s", buf);

  3454.             break;

  3455.         case CARLA_URI_MAP_ID_LOG_NOTE:

  3456.             printf("%s\n", buf);

  3457.             break;

  3458.         case CARLA_URI_MAP_ID_LOG_TRACE:

  3459.             qDebug("%s", buf);

  3460.             break;

  3461.         case CARLA_URI_MAP_ID_LOG_WARNING:

  3462.             qWarning("%s", buf);

  3463.             break;

  3464.         default:

  3465.             break;

  3466.         }

  3467. 

  3468.         return strlen(buf);

  3469.     }

  3470. 

  3471.     // ----------------- Programs Feature ------------------------------------------------

  3472. 

  3473.     static void carla_lv2_program_changed(const LV2_Programs_Handle handle, const int32_t index)

  3474.     {

  3475.         qDebug("Lv2Plugin::carla_lv2_program_changed(%p, %i)", handle, index);

  3476.         CARLA_ASSERT(handle);

  3477. 

  3478.         if (! handle)

  3479.             return;

  3480. 

  3481.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3482.         plugin->handleProgramChanged(index);

  3483.     }

  3484. 

  3485.     // ----------------- State Feature ---------------------------------------------------

  3486. 

  3487.     static char* carla_lv2_state_make_path(const LV2_State_Make_Path_Handle handle, const char* const path)

  3488.     {

  3489.         qDebug("Lv2Plugin::carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  3490.         CARLA_ASSERT(handle);

  3491.         CARLA_ASSERT(path);

  3492. 

  3493.         if (! path)

  3494.             return nullptr;

  3495. 

  3496.         QDir dir;

  3497.         dir.mkpath(path);

  3498.         return strdup(path);

  3499.     }

  3500. 

  3501.     static char* carla_lv2_state_map_abstract_path(const LV2_State_Map_Path_Handle handle, const char* const absolute_path)

  3502.     {

  3503.         qDebug("Lv2Plugin::carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  3504.         CARLA_ASSERT(handle);

  3505.         CARLA_ASSERT(absolute_path);

  3506. 

  3507.         if (! absolute_path)

  3508.             return nullptr;

  3509. 

  3510.         QDir dir(absolute_path);

  3511.         return strdup(dir.canonicalPath().toUtf8().constData());

  3512.     }

  3513. 

  3514.     static char* carla_lv2_state_map_absolute_path(const LV2_State_Map_Path_Handle handle, const char* const abstract_path)

  3515.     {

  3516.         qDebug("Lv2Plugin::carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  3517.         CARLA_ASSERT(handle);

  3518.         CARLA_ASSERT(abstract_path);

  3519. 

  3520.         if (! abstract_path)

  3521.             return nullptr;

  3522. 

  3523.         QDir dir(abstract_path);

  3524.         return strdup(dir.absolutePath().toUtf8().constData());

  3525.     }

  3526. 

  3527.     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)

  3528.     {

  3529.         qDebug("Lv2Plugin::carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  3530.         CARLA_ASSERT(handle);

  3531. 

  3532.         if (! handle)

  3533.             return LV2_STATE_ERR_UNKNOWN;

  3534. 

  3535.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3536.         return plugin->handleStateStore(key, value, size, type, flags);

  3537.     }

  3538. 

  3539.     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)

  3540.     {

  3541.         qDebug("Lv2Plugin::carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  3542.         CARLA_ASSERT(handle);

  3543. 

  3544.         if (! handle)

  3545.             return nullptr;

  3546. 

  3547.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3548.         return plugin->handleStateRetrieve(key, size, type, flags);

  3549.     }

  3550. 

  3551.     // ----------------- URI-Map Feature -------------------------------------------------

  3552. 

  3553.     static uint32_t carla_lv2_uri_to_id(const LV2_URI_Map_Callback_Data data, const char* const map, const char* const uri)

  3554.     {

  3555.         qDebug("Lv2Plugin::carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  3556.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  3557.     }

  3558. 

  3559.     // ----------------- URID Feature ----------------------------------------------------

  3560. 

  3561.     static LV2_URID carla_lv2_urid_map(const LV2_URID_Map_Handle handle, const char* const uri)

  3562.     {

  3563.         qDebug("Lv2Plugin::carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  3564.         CARLA_ASSERT(handle);

  3565.         CARLA_ASSERT(uri);

  3566. 

  3567.         if (! uri)

  3568.             return CARLA_URI_MAP_ID_NULL;

  3569. 

  3570.         // Atom types

  3571.         if (strcmp(uri, LV2_ATOM__Chunk) == 0)

  3572.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  3573.         if (strcmp(uri, LV2_ATOM__Double) == 0)

  3574.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  3575.         if (strcmp(uri, LV2_ATOM__Int) == 0)

  3576.             return CARLA_URI_MAP_ID_ATOM_INT;

  3577.         if (strcmp(uri, LV2_ATOM__Path) == 0)

  3578.             return CARLA_URI_MAP_ID_ATOM_PATH;

  3579.         if (strcmp(uri, LV2_ATOM__Sequence) == 0)

  3580.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  3581.         if (strcmp(uri, LV2_ATOM__String) == 0)

  3582.             return CARLA_URI_MAP_ID_ATOM_STRING;

  3583.         if (strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  3584.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  3585.         if (strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  3586.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  3587. 

  3588.         // BufSize types

  3589.         if (strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  3590.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  3591.         if (strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  3592.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  3593.         if (strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  3594.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  3595. 

  3596.         // Log types

  3597.         if (strcmp(uri, LV2_LOG__Error) == 0)

  3598.             return CARLA_URI_MAP_ID_LOG_ERROR;

  3599.         if (strcmp(uri, LV2_LOG__Note) == 0)

  3600.             return CARLA_URI_MAP_ID_LOG_NOTE;

  3601.         if (strcmp(uri, LV2_LOG__Trace) == 0)

  3602.             return CARLA_URI_MAP_ID_LOG_TRACE;

  3603.         if (strcmp(uri, LV2_LOG__Warning) == 0)

  3604.             return CARLA_URI_MAP_ID_LOG_WARNING;

  3605. 

  3606.         // Others

  3607.         if (strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  3608.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  3609.         if (strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  3610.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  3611. 

  3612.         if (! handle)

  3613.             return CARLA_URI_MAP_ID_NULL;

  3614. 

  3615.         // Custom types

  3616.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3617.         return plugin->getCustomURID(uri);

  3618.     }

  3619. 

  3620.     static const char* carla_lv2_urid_unmap(const LV2_URID_Map_Handle handle, const LV2_URID urid)

  3621.     {

  3622.         qDebug("Lv2Plugin::carla_lv2_urid_unmap(%p, %i)", handle, urid);

  3623.         CARLA_ASSERT(handle);

  3624.         CARLA_ASSERT(urid > CARLA_URI_MAP_ID_NULL);

  3625. 

  3626.         if (urid == CARLA_URI_MAP_ID_NULL)

  3627.             return nullptr;

  3628. 

  3629.         // Atom types

  3630.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  3631.             return LV2_ATOM__Chunk;

  3632.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  3633.             return LV2_ATOM__Double;

  3634.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  3635.             return LV2_ATOM__Int;

  3636.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  3637.             return LV2_ATOM__Path;

  3638.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  3639.             return LV2_ATOM__Sequence;

  3640.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  3641.             return LV2_ATOM__String;

  3642.         if (urid == CARLA_URI_MAP_ID_ATOM_WORKER)

  3643.             return nullptr; // not a valid URID, only used internally

  3644.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  3645.             return LV2_ATOM__atomTransfer;

  3646.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  3647.             return LV2_ATOM__eventTransfer;

  3648. 

  3649.         // BufSize types

  3650.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  3651.             return LV2_BUF_SIZE__maxBlockLength;

  3652.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  3653.             return LV2_BUF_SIZE__minBlockLength;

  3654.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  3655.             return LV2_BUF_SIZE__sequenceSize;

  3656. 

  3657.         // Log types

  3658.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  3659.             return LV2_LOG__Error;

  3660.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  3661.             return LV2_LOG__Note;

  3662.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  3663.             return LV2_LOG__Trace;

  3664.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  3665.             return LV2_LOG__Warning;

  3666. 

  3667.         // Others

  3668.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  3669.             return LV2_MIDI__MidiEvent;

  3670.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  3671.             return LV2_PARAMETERS__sampleRate;

  3672. 

  3673.         if (! handle)

  3674.             return nullptr;

  3675. 

  3676.         // Custom types

  3677.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3678.         return plugin->getCustomURIString(urid);

  3679.     }

  3680. 

  3681.     // ----------------- Worker Feature --------------------------------------------------

  3682. 

  3683.     static LV2_Worker_Status carla_lv2_worker_schedule(const LV2_Worker_Schedule_Handle handle, const uint32_t size, const void* const data)

  3684.     {

  3685.         qDebug("Lv2Plugin::carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  3686.         CARLA_ASSERT(handle);

  3687. 

  3688.         if (! handle)

  3689.             return LV2_WORKER_ERR_UNKNOWN;

  3690. 

  3691.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3692.         return plugin->handleWorkerSchedule(size, data);

  3693.     }

  3694. 

  3695.     static LV2_Worker_Status carla_lv2_worker_respond(const LV2_Worker_Respond_Handle handle, const uint32_t size, const void* const data)

  3696.     {

  3697.         qDebug("Lv2Plugin::carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  3698.         CARLA_ASSERT(handle);

  3699. 

  3700.         if (! handle)

  3701.             return LV2_WORKER_ERR_UNKNOWN;

  3702. 

  3703.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3704.         return plugin->handleWorkerRespond(size, data);

  3705.     }

  3706. 

  3707.     // ----------------- UI Port-Map Feature ---------------------------------------------

  3708. 

  3709.     static uint32_t carla_lv2_ui_port_map(const LV2UI_Feature_Handle handle, const char* const symbol)

  3710.     {

  3711.         qDebug("Lv2Plugin::carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  3712.         CARLA_ASSERT(handle);

  3713. 

  3714.         if (! handle)

  3715.             return LV2UI_INVALID_PORT_INDEX;

  3716. 

  3717.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3718.         return plugin->handleUiPortMap(symbol);

  3719.     }

  3720. 

  3721.     // ----------------- UI Resize Feature -----------------------------------------------

  3722. 

  3723.     static int carla_lv2_ui_resize(const LV2UI_Feature_Handle handle, const int width, const int height)

  3724.     {

  3725.         qDebug("Lv2Plugin::carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  3726.         CARLA_ASSERT(handle);

  3727. 

  3728.         if (! handle)

  3729.             return 1;

  3730. 

  3731.         Lv2Plugin* const plugin = (Lv2Plugin*)handle;

  3732.         return plugin->handleUiResize(width, height);

  3733.     }

  3734. 

  3735.     // ----------------- External UI Feature ---------------------------------------------

  3736. 

  3737.     static void carla_lv2_external_ui_closed(const LV2UI_Controller controller)

  3738.     {

  3739.         qDebug("Lv2Plugin::carla_lv2_external_ui_closed(%p)", controller);

  3740.         CARLA_ASSERT(controller);

  3741. 

  3742.         if (! controller)

  3743.             return;

  3744. 

  3745.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3746.         plugin->handleExternalUiClosed();

  3747.     }

  3748. 

  3749.     // ----------------- UI Extension ----------------------------------------------------

  3750. 

  3751.     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)

  3752.     {

  3753.         qDebug("Lv2Plugin::carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  3754.         CARLA_ASSERT(controller);

  3755. 

  3756.         if (! controller)

  3757.             return;

  3758. 

  3759.         Lv2Plugin* const plugin = (Lv2Plugin*)controller;

  3760.         plugin->handleUiWrite(port_index, buffer_size, format, buffer);

  3761.     }

  3762. 

  3763.     // -------------------------------------------------------------------

  3764. 

  3765.     bool uiLibOpen(const char* const filename)

  3766.     {

  3767.         ui.lib = lib_open(filename);

  3768.         return bool(ui.lib);

  3769.     }

  3770. 

  3771.     bool uiLibClose()

  3772.     {

  3773.         if (ui.lib)

  3774.             return lib_close(ui.lib);

  3775.         return false;

  3776.     }

  3777. 

  3778.     void* uiLibSymbol(const char* const symbol)

  3779.     {

  3780.         if (ui.lib)

  3781.             return lib_symbol(ui.lib, symbol);

  3782.         return nullptr;

  3783.     }

  3784. 

  3785.     // -------------------------------------------------------------------

  3786. 

  3787.     bool init(const char* const bundle, const char* const name, const char* const URI)

  3788.     {

  3789.         // ---------------------------------------------------------------

  3790.         // get plugin from lv2_rdf (lilv)

  3791. 

  3792.         rdf_descriptor = lv2_rdf_new(URI);

  3793. 

  3794.         if (! rdf_descriptor)

  3795.         {

  3796.             setLastError("Failed to find the requested plugin in the LV2 Bundle");

  3797.             return false;

  3798.         }

  3799. 

  3800.         // ---------------------------------------------------------------

  3801.         // open DLL

  3802. 

  3803.         if (! libOpen(rdf_descriptor->Binary))

  3804.         {

  3805.             setLastError(libError(rdf_descriptor->Binary));

  3806.             return false;

  3807.         }

  3808. 

  3809.         // ---------------------------------------------------------------

  3810.         // get DLL main entry

  3811. 

  3812.         const LV2_Descriptor_Function descFn = (LV2_Descriptor_Function)libSymbol("lv2_descriptor");

  3813. 

  3814.         if (! descFn)

  3815.         {

  3816.             setLastError("Could not find the LV2 Descriptor in the plugin library");

  3817.             return false;

  3818.         }

  3819. 

  3820.         // ---------------------------------------------------------------

  3821.         // get descriptor that matches URI

  3822. 

  3823.         uint32_t i = 0;

  3824.         while ((descriptor = descFn(i++)))

  3825.         {

  3826.             if (strcmp(descriptor->URI, URI) == 0)

  3827.                 break;

  3828.         }

  3829. 

  3830.         if (! descriptor)

  3831.         {

  3832.             setLastError("Could not find the requested plugin URI in the plugin library");

  3833.             return false;

  3834.         }

  3835. 

  3836.         // ---------------------------------------------------------------

  3837.         // check supported port-types and features

  3838. 

  3839.         bool canContinue = true;

  3840. 

  3841.         // Check supported ports

  3842.         for (i=0; i < rdf_descriptor->PortCount; i++)

  3843.         {

  3844.             LV2_Property PortType = rdf_descriptor->Ports[i].Type;

  3845.             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)))

  3846.             {

  3847.                 if (! LV2_IS_PORT_OPTIONAL(rdf_descriptor->Ports[i].Properties))

  3848.                 {

  3849.                     setLastError("Plugin requires a port that is not currently supported");

  3850.                     canContinue = false;

  3851.                     break;

  3852.                 }

  3853.             }

  3854.         }

  3855. 

  3856.         // Check supported features

  3857.         for (i=0; i < rdf_descriptor->FeatureCount && canContinue; i++)

  3858.         {

  3859.             if (LV2_IS_FEATURE_REQUIRED(rdf_descriptor->Features[i].Type) && ! is_lv2_feature_supported(rdf_descriptor->Features[i].URI))

  3860.             {

  3861.                 QString msg = QString("Plugin requires a feature that is not supported:\n%1").arg(rdf_descriptor->Features[i].URI);

  3862.                 setLastError(msg.toUtf8().constData());

  3863.                 canContinue = false;

  3864.                 break;

  3865.             }

  3866.         }

  3867. 

  3868.         // Check extensions

  3869.         for (i=0; i < rdf_descriptor->ExtensionCount; i++)

  3870.         {

  3871.             if (strcmp(rdf_descriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  3872.                 m_hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  3873.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_STATE__interface) == 0)

  3874.                 m_hints |= PLUGIN_HAS_EXTENSION_STATE;

  3875.             else if (strcmp(rdf_descriptor->Extensions[i], LV2_WORKER__interface) == 0)

  3876.                 m_hints |= PLUGIN_HAS_EXTENSION_WORKER;

  3877.             else

  3878.                 qDebug("Plugin has non-supported extension: '%s'", rdf_descriptor->Extensions[i]);

  3879.         }

  3880. 

  3881.         if (! canContinue)

  3882.         {

  3883.             // error already set

  3884.             return false;

  3885.         }

  3886. 

  3887.         // ---------------------------------------------------------------

  3888.         // initialize features

  3889. 

  3890.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  3891.         eventFt->callback_data           = this;

  3892.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  3893.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  3894. 

  3895.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  3896.         logFt->handle                    = this;

  3897.         logFt->printf                    = carla_lv2_log_printf;

  3898.         logFt->vprintf                   = carla_lv2_log_vprintf;

  3899. 

  3900.         LV2_Programs_Host* const programsFt        = new LV2_Programs_Host;

  3901.         programsFt->handle                         = this;

  3902.         programsFt->program_changed                = carla_lv2_program_changed;

  3903. 

  3904.         LV2_RtMemPool_Pool* const rtMemPoolFt      = new LV2_RtMemPool_Pool;

  3905.         rtmempool_allocator_init(rtMemPoolFt);

  3906. 

  3907.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  3908.         stateMakePathFt->handle                    = this;

  3909.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  3910. 

  3911.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  3912.         stateMapPathFt->handle                     = this;

  3913.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  3914.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  3915. 

  3916.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  3917.         uriMapFt->callback_data             = this;

  3918.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  3919. 

  3920.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  3921.         uridMapFt->handle                   = this;

  3922.         uridMapFt->map                      = carla_lv2_urid_map;

  3923. 

  3924.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  3925.         uridUnmapFt->handle                 = this;

  3926.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  3927. 

  3928.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  3929.         workerFt->handle                    = this;

  3930.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  3931. 

  3932.         LV2_Options_Option* const optionsFt = new LV2_Options_Option [5];

  3933.         optionsFt[0] = lv2Options.oMaxBlockLenth;

  3934.         optionsFt[1] = lv2Options.oMinBlockLenth;

  3935.         optionsFt[2] = lv2Options.oSequenceSize;

  3936.         optionsFt[3] = lv2Options.oSampleRate;

  3937.         optionsFt[4] = lv2Options.oNull;

  3938. 

  3939.         features[lv2_feature_id_bufsize_bounded]       = new LV2_Feature;

  3940.         features[lv2_feature_id_bufsize_bounded]->URI  = LV2_BUF_SIZE__boundedBlockLength;

  3941.         features[lv2_feature_id_bufsize_bounded]->data = nullptr;

  3942. 

  3943. #ifndef BUILD_BRIDGE

  3944.         if (carlaOptions.processHighPrecision)

  3945.         {

  3946.             features[lv2_feature_id_bufsize_fixed]          = new LV2_Feature;

  3947.             features[lv2_feature_id_bufsize_fixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  3948.             features[lv2_feature_id_bufsize_fixed]->data    = nullptr;

  3949. 

  3950.             features[lv2_feature_id_bufsize_powerof2]       = new LV2_Feature;

  3951.             features[lv2_feature_id_bufsize_powerof2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  3952.             features[lv2_feature_id_bufsize_powerof2]->data = nullptr;

  3953.         }

  3954.         else

  3955. #endif

  3956.         {

  3957.             // fake, used to keep a valid array

  3958.             features[lv2_feature_id_bufsize_fixed]    = features[lv2_feature_id_bufsize_bounded];

  3959.             features[lv2_feature_id_bufsize_powerof2] = features[lv2_feature_id_bufsize_bounded];

  3960.         }

  3961. 

  3962.         features[lv2_feature_id_event]          = new LV2_Feature;

  3963.         features[lv2_feature_id_event]->URI     = LV2_EVENT_URI;

  3964.         features[lv2_feature_id_event]->data    = eventFt;

  3965. 

  3966.         features[lv2_feature_id_logs]           = new LV2_Feature;

  3967.         features[lv2_feature_id_logs]->URI      = LV2_LOG__log;

  3968.         features[lv2_feature_id_logs]->data     = logFt;

  3969. 

  3970.         features[lv2_feature_id_options]        = new LV2_Feature;

  3971.         features[lv2_feature_id_options]->URI   = LV2_OPTIONS__options;

  3972.         features[lv2_feature_id_options]->data  = optionsFt;

  3973. 

  3974.         features[lv2_feature_id_programs]       = new LV2_Feature;

  3975.         features[lv2_feature_id_programs]->URI  = LV2_PROGRAMS__Host;

  3976.         features[lv2_feature_id_programs]->data = programsFt;

  3977. 

  3978.         features[lv2_feature_id_rtmempool]       = new LV2_Feature;

  3979.         features[lv2_feature_id_rtmempool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  3980.         features[lv2_feature_id_rtmempool]->data = rtMemPoolFt;

  3981. 

  3982.         features[lv2_feature_id_state_make_path]       = new LV2_Feature;

  3983.         features[lv2_feature_id_state_make_path]->URI  = LV2_STATE__makePath;

  3984.         features[lv2_feature_id_state_make_path]->data = stateMakePathFt;

  3985. 

  3986.         features[lv2_feature_id_state_map_path]        = new LV2_Feature;

  3987.         features[lv2_feature_id_state_map_path]->URI   = LV2_STATE__mapPath;

  3988.         features[lv2_feature_id_state_map_path]->data  = stateMapPathFt;

  3989. 

  3990.         features[lv2_feature_id_strict_bounds]         = new LV2_Feature;

  3991.         features[lv2_feature_id_strict_bounds]->URI    = LV2_PORT_PROPS__supportsStrictBounds;

  3992.         features[lv2_feature_id_strict_bounds]->data   = nullptr;

  3993. 

  3994.         features[lv2_feature_id_uri_map]          = new LV2_Feature;

  3995.         features[lv2_feature_id_uri_map]->URI     = LV2_URI_MAP_URI;

  3996.         features[lv2_feature_id_uri_map]->data    = uriMapFt;

  3997. 

  3998.         features[lv2_feature_id_urid_map]         = new LV2_Feature;

  3999.         features[lv2_feature_id_urid_map]->URI    = LV2_URID__map;

  4000.         features[lv2_feature_id_urid_map]->data   = uridMapFt;

  4001. 

  4002.         features[lv2_feature_id_urid_unmap]       = new LV2_Feature;

  4003.         features[lv2_feature_id_urid_unmap]->URI  = LV2_URID__unmap;

  4004.         features[lv2_feature_id_urid_unmap]->data = uridUnmapFt;

  4005. 

  4006.         features[lv2_feature_id_worker]           = new LV2_Feature;

  4007.         features[lv2_feature_id_worker]->URI      = LV2_WORKER__schedule;

  4008.         features[lv2_feature_id_worker]->data     = workerFt;

  4009. 

  4010.         // ---------------------------------------------------------------

  4011.         // initialize plugin

  4012. 

  4013.         handle = descriptor->instantiate(descriptor, x_engine->getSampleRate(), rdf_descriptor->Bundle, features);

  4014. 

  4015.         if (! handle)

  4016.         {

  4017.             setLastError("Plugin failed to initialize");

  4018.             return false;

  4019.         }

  4020. 

  4021.         // ---------------------------------------------------------------

  4022.         // get info

  4023. 

  4024.         m_filename = strdup(bundle);

  4025. 

  4026.         if (name)

  4027.             m_name = x_engine->getUniqueName(name);

  4028.         else

  4029.             m_name = x_engine->getUniqueName(rdf_descriptor->Name);

  4030. 

  4031.         // ---------------------------------------------------------------

  4032.         // register client

  4033. 

  4034.         x_client = x_engine->addClient(this);

  4035. 

  4036.         if (! x_client->isOk())

  4037.         {

  4038.             setLastError("Failed to register plugin client");

  4039.             return false;

  4040.         }

  4041. 

  4042.         // ---------------------------------------------------------------

  4043.         // gui stuff

  4044. 

  4045.         if (rdf_descriptor->UICount == 0)

  4046.             return true;

  4047. 

  4048.         // -----------------------------------------------------------

  4049.         // find more appropriate ui

  4050. 

  4051.         int eQt4, eCocoa, eHWND, eX11, eGtk2, eGtk3, iCocoa, iHWND, iX11, iQt4, iExt, iSuil, iFinal;

  4052.         eQt4 = eCocoa = eHWND = eX11 = eGtk2 = eGtk3 = iQt4 = iCocoa = iHWND = iX11 = iExt = iSuil = iFinal = -1;

  4053. 

  4054.         for (i=0; i < rdf_descriptor->UICount; i++)

  4055.         {

  4056.             switch (rdf_descriptor->UIs[i].Type)

  4057.             {

  4058.             case LV2_UI_QT4:

  4059. #ifndef BUILD_BRIDGE

  4060.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4061.                     eQt4 = i;

  4062. #endif

  4063.                 iQt4 = i;

  4064.                 break;

  4065. 

  4066.             case LV2_UI_COCOA:

  4067. #ifndef BUILD_BRIDGE

  4068.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4069.                     eCocoa = i;

  4070. #endif

  4071.                 iCocoa = i;

  4072.                 break;

  4073. 

  4074.             case LV2_UI_WINDOWS:

  4075. #ifndef BUILD_BRIDGE

  4076.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4077.                     eHWND = i;

  4078. #endif

  4079.                 iHWND = i;

  4080.                 break;

  4081. 

  4082.             case LV2_UI_X11:

  4083. #ifndef BUILD_BRIDGE

  4084.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4085.                     eX11 = i;

  4086. #endif

  4087.                 iX11 = i;

  4088.                 break;

  4089. 

  4090.             case LV2_UI_GTK2:

  4091. #ifdef BUILD_BRIDGE

  4092.                 if (false)

  4093. #else

  4094. #  ifdef HAVE_SUIL

  4095.                 if (isUiBridgeable(i) && carlaOptions.preferUiBridges)

  4096. #  else

  4097.                 if (isUiBridgeable(i))

  4098. #  endif

  4099. #endif

  4100.                     eGtk2 = i;

  4101. #ifdef HAVE_SUIL

  4102.                 iSuil = i;

  4103. #endif

  4104.                 break;

  4105. 

  4106. #ifndef BUILD_BRIDGE

  4107.             case LV2_UI_GTK3:

  4108.                 if (isUiBridgeable(i))

  4109.                     eGtk3 = i;

  4110.                 break;

  4111. #endif

  4112. 

  4113.             case LV2_UI_EXTERNAL:

  4114.             case LV2_UI_OLD_EXTERNAL:

  4115.                 iExt = i;

  4116.                 break;

  4117. 

  4118.             default:

  4119.                 break;

  4120.             }

  4121.         }

  4122. 

  4123.         if (eQt4 >= 0)

  4124.             iFinal = eQt4;

  4125.         else if (eCocoa >= 0)

  4126.             iFinal = eCocoa;

  4127.         else if (eHWND >= 0)

  4128.             iFinal = eHWND;

  4129.         else if (eX11 >= 0)

  4130.             iFinal = eX11;

  4131.         else if (eGtk2 >= 0)

  4132.             iFinal = eGtk2;

  4133.         else if (eGtk3 >= 0)

  4134.             iFinal = eGtk3;

  4135.         else if (iQt4 >= 0)

  4136.             iFinal = iQt4;

  4137.         else if (iCocoa >= 0)

  4138.             iFinal = iCocoa;

  4139.         else if (iHWND >= 0)

  4140.             iFinal = iHWND;

  4141.         else if (iX11 >= 0)

  4142.             iFinal = iX11;

  4143.         else if (iExt >= 0)

  4144.             iFinal = iExt;

  4145.         else if (iSuil >= 0)

  4146.             iFinal = iSuil;

  4147. 

  4148. #ifndef BUILD_BRIDGE

  4149.         const bool isBridged = (iFinal == eQt4 || iFinal == eCocoa || iFinal == eHWND || iFinal == eX11 || iFinal == eGtk2 || iFinal == eGtk3);

  4150. #endif

  4151. #ifdef HAVE_SUIL

  4152.         const bool isSuil = (iFinal == iSuil && !isBridged);

  4153. #endif

  4154. 

  4155.         if (iFinal < 0)

  4156.         {

  4157.             qWarning("Failed to find an appropriate LV2 UI for this plugin");

  4158.             return true;

  4159.         }

  4160. 

  4161.         ui.rdf_descriptor = &rdf_descriptor->UIs[iFinal];

  4162. 

  4163.         // -----------------------------------------------------------

  4164.         // check supported ui features

  4165. 

  4166.         canContinue = true;

  4167. 

  4168.         for (i=0; i < ui.rdf_descriptor->FeatureCount; i++)

  4169.         {

  4170.             if (LV2_IS_FEATURE_REQUIRED(ui.rdf_descriptor->Features[i].Type) && is_lv2_ui_feature_supported(ui.rdf_descriptor->Features[i].URI) == false)

  4171.             {

  4172.                 qCritical("Plugin UI requires a feature that is not supported:\n%s", ui.rdf_descriptor->Features[i].URI);

  4173.                 canContinue = false;

  4174.                 break;

  4175.             }

  4176.         }

  4177. 

  4178.         if (! canContinue)

  4179.         {

  4180.             ui.rdf_descriptor = nullptr;

  4181.             return true;

  4182.         }

  4183. 

  4184. #ifdef HAVE_SUIL

  4185.         if (isSuil)

  4186.         {

  4187.             // -------------------------------------------------------

  4188.             // init suil host

  4189. 

  4190.             suil.host = suil_host_new(carla_lv2_ui_write_function, carla_lv2_ui_port_map, nullptr, nullptr);

  4191.         }

  4192.         else

  4193. #endif

  4194.         {

  4195.             // -------------------------------------------------------

  4196.             // open DLL

  4197. 

  4198.             if (! uiLibOpen(ui.rdf_descriptor->Binary))

  4199.             {

  4200.                 qCritical("Could not load UI library, error was:\n%s", libError(ui.rdf_descriptor->Binary));

  4201.                 ui.rdf_descriptor = nullptr;

  4202.                 return true;

  4203.             }

  4204. 

  4205.             // -------------------------------------------------------

  4206.             // get DLL main entry

  4207. 

  4208.             LV2UI_DescriptorFunction ui_descFn = (LV2UI_DescriptorFunction)uiLibSymbol("lv2ui_descriptor");

  4209. 

  4210.             if (! ui_descFn)

  4211.             {

  4212.                 qCritical("Could not find the LV2UI Descriptor in the UI library");

  4213.                 uiLibClose();

  4214.                 ui.lib = nullptr;

  4215.                 ui.rdf_descriptor = nullptr;

  4216.                 return true;

  4217.             }

  4218. 

  4219.             // -------------------------------------------------------

  4220.             // get descriptor that matches URI

  4221. 

  4222.             i = 0;

  4223.             while ((ui.descriptor = ui_descFn(i++)))

  4224.             {

  4225.                 if (strcmp(ui.descriptor->URI, ui.rdf_descriptor->URI) == 0)

  4226.                     break;

  4227.             }

  4228. 

  4229.             if (! ui.descriptor)

  4230.             {

  4231.                 qCritical("Could not find the requested GUI in the plugin UI library");

  4232.                 uiLibClose();

  4233.                 ui.lib = nullptr;

  4234.                 ui.rdf_descriptor = nullptr;

  4235.                 return true;

  4236.             }

  4237.         }

  4238. 

  4239.         // -----------------------------------------------------------

  4240.         // initialize ui according to type

  4241. 

  4242.         const LV2_Property uiType = ui.rdf_descriptor->Type;

  4243. 

  4244. #ifndef BUILD_BRIDGE

  4245.         if (isBridged)

  4246.         {

  4247.             // -------------------------------------------------------

  4248.             // initialize ui bridge

  4249. 

  4250.             if (const char* const oscBinary = lv2bridge2str(uiType))

  4251.             {

  4252.                 gui.type = GUI_EXTERNAL_OSC;

  4253.                 osc.thread = new CarlaPluginThread(x_engine, this, CarlaPluginThread::PLUGIN_THREAD_LV2_GUI);

  4254.                 osc.thread->setOscData(oscBinary, descriptor->URI, ui.descriptor->URI);

  4255.             }

  4256.         }

  4257.         else

  4258. #endif

  4259.         {

  4260.             // -------------------------------------------------------

  4261.             // initialize ui features

  4262. 

  4263.             QString guiTitle = QString("%1 (GUI)").arg(m_name);

  4264. 

  4265.             LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  4266.             uiDataFt->data_access                      = descriptor->extension_data;

  4267. 

  4268.             LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  4269.             uiPortMapFt->handle               = this;

  4270.             uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  4271. 

  4272.             LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  4273.             uiResizeFt->handle                = this;

  4274.             uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  4275. 

  4276.             LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  4277.             uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  4278.             uiExternalHostFt->plugin_human_id            = strdup(guiTitle.toUtf8().constData());

  4279. 

  4280.             features[lv2_feature_id_data_access]           = new LV2_Feature;

  4281.             features[lv2_feature_id_data_access]->URI      = LV2_DATA_ACCESS_URI;

  4282.             features[lv2_feature_id_data_access]->data     = uiDataFt;

  4283. 

  4284.             features[lv2_feature_id_instance_access]       = new LV2_Feature;

  4285.             features[lv2_feature_id_instance_access]->URI  = LV2_INSTANCE_ACCESS_URI;

  4286.             features[lv2_feature_id_instance_access]->data = handle;

  4287. 

  4288.             features[lv2_feature_id_ui_parent]             = new LV2_Feature;

  4289.             features[lv2_feature_id_ui_parent]->URI        = LV2_UI__parent;

  4290.             features[lv2_feature_id_ui_parent]->data       = nullptr;

  4291. 

  4292.             features[lv2_feature_id_ui_port_map]           = new LV2_Feature;

  4293.             features[lv2_feature_id_ui_port_map]->URI      = LV2_UI__portMap;

  4294.             features[lv2_feature_id_ui_port_map]->data     = uiPortMapFt;

  4295. 

  4296.             features[lv2_feature_id_ui_resize]             = new LV2_Feature;

  4297.             features[lv2_feature_id_ui_resize]->URI        = LV2_UI__resize;

  4298.             features[lv2_feature_id_ui_resize]->data       = uiResizeFt;

  4299. 

  4300.             features[lv2_feature_id_external_ui]           = new LV2_Feature;

  4301.             features[lv2_feature_id_external_ui]->URI      = LV2_EXTERNAL_UI__Host;

  4302.             features[lv2_feature_id_external_ui]->data     = uiExternalHostFt;

  4303. 

  4304.             features[lv2_feature_id_external_ui_old]       = new LV2_Feature;

  4305.             features[lv2_feature_id_external_ui_old]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  4306.             features[lv2_feature_id_external_ui_old]->data = uiExternalHostFt;

  4307. 

  4308.             // -------------------------------------------------------

  4309.             // initialize ui

  4310. 

  4311.             switch (uiType)

  4312.             {

  4313.             case LV2_UI_QT4:

  4314.                 qDebug("Will use LV2 Qt4 UI");

  4315.                 gui.type      = GUI_INTERNAL_QT4;

  4316.                 gui.resizable = isUiResizable();

  4317.                 ui.handle     = ui.descriptor->instantiate(ui.descriptor, descriptor->URI, ui.rdf_descriptor->Bundle, carla_lv2_ui_write_function, this, &ui.widget, features);

  4318.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4319.                 break;

  4320. 

  4321.             case LV2_UI_COCOA:

  4322.                 qDebug("Will use LV2 Cocoa UI");

  4323.                 gui.type      = GUI_INTERNAL_COCOA;

  4324.                 gui.resizable = isUiResizable();

  4325.                 break;

  4326. 

  4327.             case LV2_UI_WINDOWS:

  4328.                 qDebug("Will use LV2 Windows UI");

  4329.                 gui.type      = GUI_INTERNAL_HWND;

  4330.                 gui.resizable = isUiResizable();

  4331.                 break;

  4332. 

  4333.             case LV2_UI_X11:

  4334.                 qDebug("Will use LV2 X11 UI");

  4335.                 gui.type      = GUI_INTERNAL_X11;

  4336.                 gui.resizable = isUiResizable();

  4337.                 break;

  4338. 

  4339.             case LV2_UI_GTK2:

  4340. #ifdef HAVE_SUIL

  4341.                 qDebug("Will use LV2 Gtk2 UI (suil)");

  4342.                 gui.type      = GUI_EXTERNAL_SUIL;

  4343.                 gui.resizable = isUiResizable();

  4344.                 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);

  4345.                 m_hints      |= PLUGIN_USES_SINGLE_THREAD;

  4346. 

  4347.                 if (suil.handle)

  4348.                 {

  4349.                     ui.handle     = ((SuilInstanceImpl*)suil.handle)->handle;

  4350.                     ui.descriptor = ((SuilInstanceImpl*)suil.handle)->descriptor;

  4351.                     ui.widget     = suil_instance_get_widget(suil.handle);

  4352. 

  4353.                     if (ui.widget)

  4354.                     {

  4355.                         QWidget* const widget = (QWidget*)ui.widget;

  4356.                         widget->setWindowTitle(guiTitle);

  4357.                     }

  4358.                 }

  4359. #else

  4360.                 qDebug("Will use LV2 Gtk2 UI, NOT!");

  4361. #endif

  4362.                 break;

  4363. 

  4364.             case LV2_UI_GTK3:

  4365.                 qDebug("Will use LV2 Gtk3 UI, NOT!");

  4366.                 break;

  4367. 

  4368.             case LV2_UI_EXTERNAL:

  4369.             case LV2_UI_OLD_EXTERNAL:

  4370.                 qDebug("Will use LV2 External UI");

  4371.                 gui.type = GUI_EXTERNAL_LV2;

  4372.                 break;

  4373.             }

  4374.         }

  4375. 

  4376.         if (gui.type != GUI_NONE)

  4377.             m_hints |= PLUGIN_HAS_GUI;

  4378. 

  4379.         return true;

  4380.     }

  4381. 

  4382. private:

  4383.     LV2_Handle handle, h2;

  4384.     const LV2_Descriptor* descriptor;

  4385.     const LV2_RDF_Descriptor* rdf_descriptor;

  4386.     LV2_Feature* features[lv2_feature_count+1];

  4387. 

  4388.     struct {

  4389.         const LV2_State_Interface* state;

  4390.         const LV2_Worker_Interface* worker;

  4391.         const LV2_Programs_Interface* programs;

  4392.         const LV2_Programs_UI_Interface* uiprograms;

  4393.     } ext;

  4394. 

  4395.     struct {

  4396.         void* lib;

  4397.         LV2UI_Handle handle;

  4398.         LV2UI_Widget widget;

  4399.         const LV2UI_Descriptor* descriptor;

  4400.         const LV2_RDF_UI* rdf_descriptor;

  4401.     } ui;

  4402. 

  4403.     struct {

  4404.         GuiType type;

  4405.         bool resizable;

  4406.         int width;

  4407.         int height;

  4408.     } gui;

  4409. 

  4410. #ifdef HAVE_SUIL

  4411.     struct {

  4412.         SuilHost* host;

  4413.         SuilInstance* handle;

  4414.         QByteArray pos;

  4415.     } suil;

  4416. #endif

  4417. 

  4418.     Lv2AtomQueue atomQueueIn;

  4419.     Lv2AtomQueue atomQueueOut;

  4420.     Lv2PluginEventData evIn;

  4421.     Lv2PluginEventData evOut;

  4422.     float* paramBuffers;

  4423.     std::vector<const char*> customURIDs;

  4424. 

  4425.     bool     lastTimePosPlaying;

  4426.     uint32_t lastTimePosFrame;

  4427. };

  4428. 

  4429. /**@}*/

  4430. 

  4431. // -------------------------------------------------------------------------------------------------------------------

  4432. 

  4433. int CarlaOsc::handleMsgLv2AtomTransfer(CARLA_OSC_HANDLE_ARGS2)

  4434. {

  4435.     qDebug("CarlaOsc::handleMsgLv2AtomTransfer()");

  4436.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4437. 

  4438.     const int32_t portIndex   = argv[0]->i;

  4439.     const char* const typeStr = (const char*)&argv[1]->s;

  4440.     const char* const atomBuf = (const char*)&argv[2]->s;

  4441. 

  4442.     QByteArray chunk;

  4443.     chunk = QByteArray::fromBase64(atomBuf);

  4444. 

  4445.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4446.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4447. 

  4448.     atom->type = lv2plugin->getCustomURID(typeStr);

  4449.     lv2plugin->handleTransferAtom(portIndex, atom);

  4450. 

  4451.     return 0;

  4452. }

  4453. 

  4454. int CarlaOsc::handleMsgLv2EventTransfer(CARLA_OSC_HANDLE_ARGS2)

  4455. {

  4456.     qDebug("CarlaOsc::handleMsgLv2EventTransfer()");

  4457.     CARLA_OSC_CHECK_OSC_TYPES(3, "iss");

  4458. 

  4459.     const int32_t portIndex   = argv[0]->i;

  4460.     const char* const typeStr = (const char*)&argv[1]->s;

  4461.     const char* const atomBuf = (const char*)&argv[2]->s;

  4462. 

  4463.     QByteArray chunk;

  4464.     chunk = QByteArray::fromBase64(atomBuf);

  4465. 

  4466.     LV2_Atom* const atom = (LV2_Atom*)chunk.constData();

  4467.     CarlaBackend::Lv2Plugin* const lv2plugin = (CarlaBackend::Lv2Plugin*)plugin;

  4468. 

  4469.     atom->type = lv2plugin->getCustomURID(typeStr);

  4470.     lv2plugin->handleTransferEvent(portIndex, atom);

  4471. 

  4472.     return 0;

  4473. }

  4474. 

  4475. CARLA_BACKEND_END_NAMESPACE

  4476. 

  4477. #else // WANT_LV2

  4478. #  warning Building without LV2 support

  4479. #endif

  4480. 

  4481. CARLA_BACKEND_START_NAMESPACE

  4482. 

  4483. CarlaPlugin* CarlaPlugin::newLV2(const initializer& init)

  4484. {

  4485.     qDebug("CarlaPlugin::newLV2(%p, \"%s\", \"%s\", \"%s\")", init.engine, init.filename, init.name, init.label);

  4486. 

  4487. #ifdef WANT_LV2

  4488.     short id = init.engine->getNewPluginId();

  4489. 

  4490.     if (id < 0 || id > CarlaEngine::maxPluginNumber())

  4491.     {

  4492.         setLastError("Maximum number of plugins reached");

  4493.         return nullptr;

  4494.     }

  4495. 

  4496.     Lv2Plugin* const plugin = new Lv2Plugin(init.engine, id);

  4497. 

  4498.     if (! plugin->init(init.filename, init.name, init.label))

  4499.     {

  4500.         delete plugin;

  4501.         return nullptr;

  4502.     }

  4503. 

  4504.     plugin->reload();

  4505. 

  4506. #ifndef BUILD_BRIDGE

  4507.     if (carlaOptions.processMode == PROCESS_MODE_CONTINUOUS_RACK)

  4508.     {

  4509.         if (! plugin->hints() & PLUGIN_CAN_FORCE_STEREO)

  4510.         {

  4511.             setLastError("Carla's rack mode can only work with Mono (simple) or Stereo LV2 plugins, sorry!");

  4512.             delete plugin;

  4513.             return nullptr;

  4514.         }

  4515.     }

  4516. #endif

  4517. 

  4518.     plugin->registerToOscControl();

  4519.     plugin->updateUi();

  4520. 

  4521.     return plugin;

  4522. #else

  4523.     setLastError("LV2 support not available");

  4524.     return nullptr;

  4525. #endif

  4526. }

  4527. 

  4528. CARLA_BACKEND_END_NAMESPACE