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Carla/source/utils/CarlaLv2Utils.hpp

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  1. /*

  2.  * Carla LV2 utils

  3.  * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or 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 doc/GPL.txt file.

  16.  */

  17. 

  18. #ifndef CARLA_LV2_UTILS_HPP_INCLUDED

  19. #define CARLA_LV2_UTILS_HPP_INCLUDED

  20. 

  21. #include "CarlaMathUtils.hpp"

  22. #include "CarlaStringList.hpp"

  23. 

  24. #ifndef nullptr

  25. # undef NULL

  26. # define NULL nullptr

  27. #endif

  28. 

  29. // disable -Wdocumentation for LV2 headers

  30. #if defined(__clang__) && (__clang_major__ * 100 + __clang_minor__) > 300

  31. # pragma clang diagnostic push

  32. # pragma clang diagnostic ignored "-Wdocumentation"

  33. #endif

  34. 

  35. #include "lv2/lv2.h"

  36. #include "lv2/atom.h"

  37. #include "lv2/atom-forge.h"

  38. #include "lv2/atom-helpers.h"

  39. #include "lv2/atom-util.h"

  40. #include "lv2/buf-size.h"

  41. #include "lv2/data-access.h"

  42. // dynmanifest

  43. #include "lv2/event.h"

  44. #include "lv2/event-helpers.h"

  45. #include "lv2/inline-display.h"

  46. #include "lv2/instance-access.h"

  47. #include "lv2/log.h"

  48. // logger

  49. #include "lv2/midi.h"

  50. #include "lv2/midnam.h"

  51. // morph

  52. #include "lv2/options.h"

  53. #include "lv2/parameters.h"

  54. #include "lv2/patch.h"

  55. #include "lv2/port-groups.h"

  56. #include "lv2/port-props.h"

  57. #include "lv2/presets.h"

  58. #include "lv2/resize-port.h"

  59. #include "lv2/state.h"

  60. #include "lv2/time.h"

  61. #include "lv2/ui.h"

  62. #include "lv2/units.h"

  63. #include "lv2/uri-map.h"

  64. #include "lv2/urid.h"

  65. #include "lv2/worker.h"

  66. 

  67. #include "lv2/lv2-miditype.h"

  68. #include "lv2/lv2-midifunctions.h"

  69. #include "lv2/lv2_external_ui.h"

  70. #include "lv2/lv2_kxstudio_properties.h"

  71. #include "lv2/lv2_programs.h"

  72. #include "lv2/lv2_rtmempool.h"

  73. 

  74. #include "lilv/lilvmm.hpp"

  75. #include "sratom/sratom.h"

  76. #include "lilv/config/lilv_config.h"

  77. 

  78. // enable -Wdocumentation again

  79. #if defined(__clang__) && (__clang_major__ * 100 + __clang_minor__) > 300

  80. # pragma clang diagnostic pop

  81. #endif

  82. 

  83. #include "lv2_rdf.hpp"

  84. 

  85. #ifdef USE_QT

  86. # include <QtCore/QStringList>

  87. #else

  88. # include "water/text/StringArray.h"

  89. #endif

  90. 

  91. // used for scalepoint sorting

  92. #include <map>

  93. typedef std::map<double,const LilvScalePoint*> LilvScalePointMap;

  94. 

  95. // --------------------------------------------------------------------------------------------------------------------

  96. // Define namespaces and missing prefixes

  97. 

  98. #define NS_dct  "http://purl.org/dc/terms/"

  99. #define NS_doap "http://usefulinc.com/ns/doap#"

  100. #define NS_rdf  "http://www.w3.org/1999/02/22-rdf-syntax-ns#"

  101. #define NS_rdfs "http://www.w3.org/2000/01/rdf-schema#"

  102. #define NS_llmm "http://ll-plugins.nongnu.org/lv2/ext/midimap#"

  103. #define NS_devp "http://lv2plug.in/ns/dev/extportinfo#"

  104. #define NS_mod  "http://moddevices.com/ns/modgui#"

  105. 

  106. #define LV2_MIDI_Map__CC      "http://ll-plugins.nongnu.org/lv2/namespace#CC"

  107. #define LV2_MIDI_Map__NRPN    "http://ll-plugins.nongnu.org/lv2/namespace#NRPN"

  108. 

  109. #define LV2_MIDI_LL__MidiPort "http://ll-plugins.nongnu.org/lv2/ext/MidiPort"

  110. 

  111. #define LV2_UI__makeResident       LV2_UI_PREFIX "makeResident"

  112. #define LV2_UI__makeSONameResident LV2_UI_PREFIX "makeSONameResident"

  113. 

  114. // TODO: update LV2 headers once again

  115. #define LV2_CORE__Parameter LV2_CORE_PREFIX "Parameter" ///< http://lv2plug.in/ns/lv2core#Parameter

  116. #define LV2_CORE__enabled   LV2_CORE_PREFIX "enabled"   ///< http://lv2plug.in/ns/lv2core#enabled

  117. 

  118. // --------------------------------------------------------------------------------------------------------------------

  119. // Custom Atom types

  120. 

  121. struct LV2_Atom_MidiEvent {

  122.     LV2_Atom atom;    /**< Atom header. */

  123.     uint8_t  data[4]; /**< MIDI data (body). */

  124. };

  125. 

  126. static inline

  127. uint32_t lv2_atom_total_size(const LV2_Atom_MidiEvent& midiEv)

  128. {

  129.     return static_cast<uint32_t>(sizeof(LV2_Atom)) + midiEv.atom.size;

  130. }

  131. 

  132. // ---------------------------------------------------------------------------------------------------------------------

  133. // -Weffc++ compat ext widget

  134. 

  135. extern "C" {

  136. 

  137. typedef struct _LV2_External_UI_Widget_Compat {

  138.   void (*run )(struct _LV2_External_UI_Widget_Compat*);

  139.   void (*show)(struct _LV2_External_UI_Widget_Compat*);

  140.   void (*hide)(struct _LV2_External_UI_Widget_Compat*);

  141. 

  142.   _LV2_External_UI_Widget_Compat() noexcept

  143.       : run(nullptr), show(nullptr), hide(nullptr) {}

  144. 

  145. } LV2_External_UI_Widget_Compat;

  146. 

  147. }

  148. 

  149. // --------------------------------------------------------------------------------------------------------------------

  150. // Our LV2 World class

  151. 

  152. class Lv2WorldClass : public Lilv::World

  153. {

  154. public:

  155.     // Base Types

  156.     Lilv::Node port;

  157.     Lilv::Node symbol;

  158.     Lilv::Node designation;

  159.     Lilv::Node freeWheeling;

  160.     Lilv::Node reportsLatency;

  161. 

  162.     // Plugin Types

  163.     Lilv::Node class_allpass;

  164.     Lilv::Node class_amplifier;

  165.     Lilv::Node class_analyzer;

  166.     Lilv::Node class_bandpass;

  167.     Lilv::Node class_chorus;

  168.     Lilv::Node class_comb;

  169.     Lilv::Node class_compressor;

  170.     Lilv::Node class_constant;

  171.     Lilv::Node class_converter;

  172.     Lilv::Node class_delay;

  173.     Lilv::Node class_distortion;

  174.     Lilv::Node class_dynamics;

  175.     Lilv::Node class_eq;

  176.     Lilv::Node class_envelope;

  177.     Lilv::Node class_expander;

  178.     Lilv::Node class_filter;

  179.     Lilv::Node class_flanger;

  180.     Lilv::Node class_function;

  181.     Lilv::Node class_gate;

  182.     Lilv::Node class_generator;

  183.     Lilv::Node class_highpass;

  184.     Lilv::Node class_instrument;

  185.     Lilv::Node class_limiter;

  186.     Lilv::Node class_lowpass;

  187.     Lilv::Node class_mixer;

  188.     Lilv::Node class_modulator;

  189.     Lilv::Node class_multiEQ;

  190.     Lilv::Node class_oscillator;

  191.     Lilv::Node class_paraEQ;

  192.     Lilv::Node class_phaser;

  193.     Lilv::Node class_pitch;

  194.     Lilv::Node class_reverb;

  195.     Lilv::Node class_simulator;

  196.     Lilv::Node class_spatial;

  197.     Lilv::Node class_spectral;

  198.     Lilv::Node class_utility;

  199.     Lilv::Node class_waveshaper;

  200. 

  201.     // Port Types

  202.     Lilv::Node port_input;

  203.     Lilv::Node port_output;

  204.     Lilv::Node port_control;

  205.     Lilv::Node port_audio;

  206.     Lilv::Node port_cv;

  207.     Lilv::Node port_atom;

  208.     Lilv::Node port_event;

  209.     Lilv::Node port_midi;

  210. 

  211.     // Port Properties

  212.     Lilv::Node pprop_optional;

  213.     Lilv::Node pprop_enumeration;

  214.     Lilv::Node pprop_integer;

  215.     Lilv::Node pprop_sampleRate;

  216.     Lilv::Node pprop_toggled;

  217.     Lilv::Node pprop_artifacts;

  218.     Lilv::Node pprop_continuousCV;

  219.     Lilv::Node pprop_discreteCV;

  220.     Lilv::Node pprop_expensive;

  221.     Lilv::Node pprop_strictBounds;

  222.     Lilv::Node pprop_logarithmic;

  223.     Lilv::Node pprop_notAutomatic;

  224.     Lilv::Node pprop_notOnGUI;

  225.     Lilv::Node pprop_trigger;

  226.     Lilv::Node pprop_nonAutomable;

  227. 

  228.     // Unit Hints

  229.     Lilv::Node unit_name;

  230.     Lilv::Node unit_render;

  231.     Lilv::Node unit_symbol;

  232.     Lilv::Node unit_unit;

  233. 

  234.     // UI Types

  235.     Lilv::Node ui;

  236.     Lilv::Node ui_gtk2;

  237.     Lilv::Node ui_gtk3;

  238.     Lilv::Node ui_qt4;

  239.     Lilv::Node ui_qt5;

  240.     Lilv::Node ui_cocoa;

  241.     Lilv::Node ui_windows;

  242.     Lilv::Node ui_x11;

  243.     Lilv::Node ui_external;

  244.     Lilv::Node ui_externalOld;

  245. 

  246.     // Misc

  247.     Lilv::Node atom_bufferType;

  248.     Lilv::Node atom_sequence;

  249.     Lilv::Node atom_supports;

  250. 

  251.     Lilv::Node lv2_name;

  252.     Lilv::Node lv2_symbol;

  253.     Lilv::Node patch_readable;

  254.     Lilv::Node patch_writable;

  255.     Lilv::Node pg_group;

  256.     Lilv::Node preset_preset;

  257.     Lilv::Node state_state;

  258. 

  259.     Lilv::Node ui_portIndex;

  260.     Lilv::Node ui_portNotif;

  261.     Lilv::Node ui_protocol;

  262. 

  263.     Lilv::Node value_default;

  264.     Lilv::Node value_minimum;

  265.     Lilv::Node value_maximum;

  266. 

  267.     Lilv::Node rz_asLargeAs;

  268.     Lilv::Node rz_minSize;

  269. 

  270.     // Port Data Types

  271.     Lilv::Node midi_event;

  272.     Lilv::Node patch_message;

  273.     Lilv::Node time_position;

  274. 

  275.     // MIDI CC

  276.     Lilv::Node mm_defaultControl;

  277.     Lilv::Node mm_controlType;

  278.     Lilv::Node mm_controlNumber;

  279. 

  280.     // Other

  281.     Lilv::Node dct_replaces;

  282.     Lilv::Node doap_license;

  283.     Lilv::Node rdf_type;

  284.     Lilv::Node rdfs_comment;

  285.     Lilv::Node rdfs_label;

  286.     Lilv::Node rdfs_range;

  287. 

  288.     bool needsInit;

  289. 

  290.     const LilvPlugins* allPlugins;

  291.     const LilvPlugin** cachedPlugins;

  292.     uint pluginCount;

  293. 

  294.     // ----------------------------------------------------------------------------------------------------------------

  295. 

  296.     Lv2WorldClass()

  297.         : Lilv::World(),

  298.           port               (new_uri(LV2_CORE__port)),

  299.           symbol             (new_uri(LV2_CORE__symbol)),

  300.           designation        (new_uri(LV2_CORE__designation)),

  301.           freeWheeling       (new_uri(LV2_CORE__freeWheeling)),

  302.           reportsLatency     (new_uri(LV2_CORE__reportsLatency)),

  303. 

  304.           class_allpass      (new_uri(LV2_CORE__AllpassPlugin)),

  305.           class_amplifier    (new_uri(LV2_CORE__AmplifierPlugin)),

  306.           class_analyzer     (new_uri(LV2_CORE__AnalyserPlugin)),

  307.           class_bandpass     (new_uri(LV2_CORE__BandpassPlugin)),

  308.           class_chorus       (new_uri(LV2_CORE__ChorusPlugin)),

  309.           class_comb         (new_uri(LV2_CORE__CombPlugin)),

  310.           class_compressor   (new_uri(LV2_CORE__CompressorPlugin)),

  311.           class_constant     (new_uri(LV2_CORE__ConstantPlugin)),

  312.           class_converter    (new_uri(LV2_CORE__ConverterPlugin)),

  313.           class_delay        (new_uri(LV2_CORE__DelayPlugin)),

  314.           class_distortion   (new_uri(LV2_CORE__DistortionPlugin)),

  315.           class_dynamics     (new_uri(LV2_CORE__DynamicsPlugin)),

  316.           class_eq           (new_uri(LV2_CORE__EQPlugin)),

  317.           class_envelope     (new_uri(LV2_CORE__EnvelopePlugin)),

  318.           class_expander     (new_uri(LV2_CORE__ExpanderPlugin)),

  319.           class_filter       (new_uri(LV2_CORE__FilterPlugin)),

  320.           class_flanger      (new_uri(LV2_CORE__FlangerPlugin)),

  321.           class_function     (new_uri(LV2_CORE__FunctionPlugin)),

  322.           class_gate         (new_uri(LV2_CORE__GatePlugin)),

  323.           class_generator    (new_uri(LV2_CORE__GeneratorPlugin)),

  324.           class_highpass     (new_uri(LV2_CORE__HighpassPlugin)),

  325.           class_instrument   (new_uri(LV2_CORE__InstrumentPlugin)),

  326.           class_limiter      (new_uri(LV2_CORE__LimiterPlugin)),

  327.           class_lowpass      (new_uri(LV2_CORE__LowpassPlugin)),

  328.           class_mixer        (new_uri(LV2_CORE__MixerPlugin)),

  329.           class_modulator    (new_uri(LV2_CORE__ModulatorPlugin)),

  330.           class_multiEQ      (new_uri(LV2_CORE__MultiEQPlugin)),

  331.           class_oscillator   (new_uri(LV2_CORE__OscillatorPlugin)),

  332.           class_paraEQ       (new_uri(LV2_CORE__ParaEQPlugin)),

  333.           class_phaser       (new_uri(LV2_CORE__PhaserPlugin)),

  334.           class_pitch        (new_uri(LV2_CORE__PitchPlugin)),

  335.           class_reverb       (new_uri(LV2_CORE__ReverbPlugin)),

  336.           class_simulator    (new_uri(LV2_CORE__SimulatorPlugin)),

  337.           class_spatial      (new_uri(LV2_CORE__SpatialPlugin)),

  338.           class_spectral     (new_uri(LV2_CORE__SpectralPlugin)),

  339.           class_utility      (new_uri(LV2_CORE__UtilityPlugin)),

  340.           class_waveshaper   (new_uri(LV2_CORE__WaveshaperPlugin)),

  341. 

  342.           port_input         (new_uri(LV2_CORE__InputPort)),

  343.           port_output        (new_uri(LV2_CORE__OutputPort)),

  344.           port_control       (new_uri(LV2_CORE__ControlPort)),

  345.           port_audio         (new_uri(LV2_CORE__AudioPort)),

  346.           port_cv            (new_uri(LV2_CORE__CVPort)),

  347.           port_atom          (new_uri(LV2_ATOM__AtomPort)),

  348.           port_event         (new_uri(LV2_EVENT__EventPort)),

  349.           port_midi          (new_uri(LV2_MIDI_LL__MidiPort)),

  350. 

  351.           pprop_optional     (new_uri(LV2_CORE__connectionOptional)),

  352.           pprop_enumeration  (new_uri(LV2_CORE__enumeration)),

  353.           pprop_integer      (new_uri(LV2_CORE__integer)),

  354.           pprop_sampleRate   (new_uri(LV2_CORE__sampleRate)),

  355.           pprop_toggled      (new_uri(LV2_CORE__toggled)),

  356.           pprop_artifacts    (new_uri(LV2_PORT_PROPS__causesArtifacts)),

  357.           pprop_continuousCV (new_uri(LV2_PORT_PROPS__continuousCV)),

  358.           pprop_discreteCV   (new_uri(LV2_PORT_PROPS__discreteCV)),

  359.           pprop_expensive    (new_uri(LV2_PORT_PROPS__expensive)),

  360.           pprop_strictBounds (new_uri(LV2_PORT_PROPS__hasStrictBounds)),

  361.           pprop_logarithmic  (new_uri(LV2_PORT_PROPS__logarithmic)),

  362.           pprop_notAutomatic (new_uri(LV2_PORT_PROPS__notAutomatic)),

  363.           pprop_notOnGUI     (new_uri(LV2_PORT_PROPS__notOnGUI)),

  364.           pprop_trigger      (new_uri(LV2_PORT_PROPS__trigger)),

  365.           pprop_nonAutomable (new_uri(LV2_KXSTUDIO_PROPERTIES__NonAutomable)),

  366. 

  367.           unit_name          (new_uri(LV2_UNITS__name)),

  368.           unit_render        (new_uri(LV2_UNITS__render)),

  369.           unit_symbol        (new_uri(LV2_UNITS__symbol)),

  370.           unit_unit          (new_uri(LV2_UNITS__unit)),

  371. 

  372.           ui                 (new_uri(LV2_UI__UI)),

  373.           ui_gtk2            (new_uri(LV2_UI__GtkUI)),

  374.           ui_gtk3            (new_uri(LV2_UI__Gtk3UI)),

  375.           ui_qt4             (new_uri(LV2_UI__Qt4UI)),

  376.           ui_qt5             (new_uri(LV2_UI__Qt5UI)),

  377.           ui_cocoa           (new_uri(LV2_UI__CocoaUI)),

  378.           ui_windows         (new_uri(LV2_UI__WindowsUI)),

  379.           ui_x11             (new_uri(LV2_UI__X11UI)),

  380.           ui_external        (new_uri(LV2_EXTERNAL_UI__Widget)),

  381.           ui_externalOld     (new_uri(LV2_EXTERNAL_UI_DEPRECATED_URI)),

  382. 

  383.           atom_bufferType    (new_uri(LV2_ATOM__bufferType)),

  384.           atom_sequence      (new_uri(LV2_ATOM__Sequence)),

  385.           atom_supports      (new_uri(LV2_ATOM__supports)),

  386. 

  387.           lv2_name           (new_uri(LV2_CORE__name)),

  388.           lv2_symbol         (new_uri(LV2_CORE__symbol)),

  389.           patch_readable     (new_uri(LV2_PATCH__readable)),

  390.           patch_writable     (new_uri(LV2_PATCH__writable)),

  391.           pg_group           (new_uri(LV2_PORT_GROUPS__group)),

  392.           preset_preset      (new_uri(LV2_PRESETS__Preset)),

  393.           state_state        (new_uri(LV2_STATE__state)),

  394. 

  395.           ui_portIndex       (new_uri(LV2_UI__portIndex)),

  396.           ui_portNotif       (new_uri(LV2_UI__portNotification)),

  397.           ui_protocol        (new_uri(LV2_UI__protocol)),

  398. 

  399.           value_default      (new_uri(LV2_CORE__default)),

  400.           value_minimum      (new_uri(LV2_CORE__minimum)),

  401.           value_maximum      (new_uri(LV2_CORE__maximum)),

  402. 

  403.           rz_asLargeAs       (new_uri(LV2_RESIZE_PORT__asLargeAs)),

  404.           rz_minSize         (new_uri(LV2_RESIZE_PORT__minimumSize)),

  405. 

  406.           midi_event         (new_uri(LV2_MIDI__MidiEvent)),

  407.           patch_message      (new_uri(LV2_PATCH__Message)),

  408.           time_position      (new_uri(LV2_TIME__Position)),

  409. 

  410.           mm_defaultControl  (new_uri(NS_llmm "defaultMidiController")),

  411.           mm_controlType     (new_uri(NS_llmm "controllerType")),

  412.           mm_controlNumber   (new_uri(NS_llmm "controllerNumber")),

  413. 

  414.           dct_replaces       (new_uri(NS_dct "replaces")),

  415.           doap_license       (new_uri(NS_doap "license")),

  416.           rdf_type           (new_uri(NS_rdf "type")),

  417.           rdfs_comment       (new_uri(NS_rdfs "comment")),

  418.           rdfs_label         (new_uri(NS_rdfs "label")),

  419.           rdfs_range         (new_uri(NS_rdfs "range")),

  420. 

  421.           needsInit(true),

  422.           allPlugins(nullptr),

  423.           cachedPlugins(nullptr),

  424.           pluginCount(0) {}

  425. 

  426.     ~Lv2WorldClass() override

  427.     {

  428.         pluginCount = 0;

  429.         allPlugins = nullptr;

  430. 

  431.         if (cachedPlugins != nullptr)

  432.         {

  433.             delete[] cachedPlugins;

  434.             cachedPlugins = nullptr;

  435.         }

  436.     }

  437. 

  438.     // FIXME - remove this

  439.     static Lv2WorldClass& getInstance()

  440.     {

  441.         static Lv2WorldClass lv2World;

  442.         return lv2World;

  443.     }

  444. 

  445.     void initIfNeeded(const char* LV2_PATH)

  446.     {

  447.         if (LV2_PATH == nullptr || LV2_PATH[0] == '\0')

  448.         {

  449.             static const char* const DEFAULT_LV2_PATH = LILV_DEFAULT_LV2_PATH;

  450.             LV2_PATH = DEFAULT_LV2_PATH;

  451.         }

  452. 

  453.         if (! needsInit)

  454.             return;

  455. 

  456.         needsInit = false;

  457. 

  458.         Lilv::World::load_all(LV2_PATH);

  459. 

  460.         allPlugins = lilv_world_get_all_plugins(this->me);

  461.         CARLA_SAFE_ASSERT_RETURN(allPlugins != nullptr,);

  462. 

  463.         if ((pluginCount = lilv_plugins_size(allPlugins)))

  464.         {

  465.             cachedPlugins = new const LilvPlugin*[pluginCount+1];

  466.             carla_zeroPointers(cachedPlugins, pluginCount+1);

  467. 

  468.             int i = 0;

  469.             for (LilvIter* it = lilv_plugins_begin(allPlugins); ! lilv_plugins_is_end(allPlugins, it); it = lilv_plugins_next(allPlugins, it))

  470.                 cachedPlugins[i++] = lilv_plugins_get(allPlugins, it);

  471.         }

  472.     }

  473. 

  474.     void load_bundle(const char* const bundle)

  475.     {

  476.         CARLA_SAFE_ASSERT_RETURN(bundle != nullptr && bundle[0] != '\0',);

  477.         CARLA_SAFE_ASSERT_RETURN(needsInit,);

  478. 

  479.         needsInit = false;

  480.         Lilv::World::load_bundle(Lilv::Node(new_uri(bundle)));

  481. 

  482.         allPlugins = lilv_world_get_all_plugins(this->me);

  483.         CARLA_SAFE_ASSERT_RETURN(allPlugins != nullptr,);

  484. 

  485.         if ((pluginCount = lilv_plugins_size(allPlugins)))

  486.         {

  487.             cachedPlugins = new const LilvPlugin*[pluginCount+1];

  488.             carla_zeroPointers(cachedPlugins, pluginCount+1);

  489. 

  490.             int i = 0;

  491.             for (LilvIter* it = lilv_plugins_begin(allPlugins); ! lilv_plugins_is_end(allPlugins, it); it = lilv_plugins_next(allPlugins, it))

  492.                 cachedPlugins[i++] = lilv_plugins_get(allPlugins, it);

  493.         }

  494.     }

  495. 

  496.     uint getPluginCount() const

  497.     {

  498.         CARLA_SAFE_ASSERT_RETURN(! needsInit, 0);

  499. 

  500.         return pluginCount;

  501.     }

  502. 

  503.     const LilvPlugin* getPluginFromIndex(const uint index) const

  504.     {

  505.         CARLA_SAFE_ASSERT_RETURN(! needsInit, nullptr);

  506.         CARLA_SAFE_ASSERT_RETURN(cachedPlugins != nullptr, nullptr);

  507.         CARLA_SAFE_ASSERT_RETURN(index < pluginCount, nullptr);

  508. 

  509.         return cachedPlugins[index];

  510.     }

  511. 

  512.     const LilvPlugin* getPluginFromURI(const LV2_URI uri) const

  513.     {

  514.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', nullptr);

  515.         CARLA_SAFE_ASSERT_RETURN(! needsInit, nullptr);

  516.         CARLA_SAFE_ASSERT_RETURN(allPlugins != nullptr, nullptr);

  517. 

  518.         LilvNode* const uriNode(lilv_new_uri(this->me, uri));

  519.         CARLA_SAFE_ASSERT_RETURN(uriNode != nullptr, nullptr);

  520. 

  521.         const LilvPlugin* const cPlugin(lilv_plugins_get_by_uri(allPlugins, uriNode));

  522.         lilv_node_free(uriNode);

  523. 

  524.         return cPlugin;

  525.     }

  526. 

  527.     LilvState* getStateFromURI(const LV2_URI uri, const LV2_URID_Map* const uridMap) const

  528.     {

  529.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', nullptr);

  530.         CARLA_SAFE_ASSERT_RETURN(uridMap != nullptr, nullptr);

  531.         CARLA_SAFE_ASSERT_RETURN(! needsInit, nullptr);

  532. 

  533.         LilvNode* const uriNode(lilv_new_uri(this->me, uri));

  534.         CARLA_SAFE_ASSERT_RETURN(uriNode != nullptr, nullptr);

  535. 

  536.         CARLA_SAFE_ASSERT(lilv_world_load_resource(this->me, uriNode) >= 0);

  537. 

  538.         LilvState* const cState(lilv_state_new_from_world(this->me, uridMap, uriNode));

  539.         lilv_node_free(uriNode);

  540. 

  541.         return cState;

  542.     }

  543. 

  544.     CARLA_PREVENT_VIRTUAL_HEAP_ALLOCATION

  545.     CARLA_DECLARE_NON_COPY_STRUCT(Lv2WorldClass)

  546. };

  547. 

  548. // --------------------------------------------------------------------------------------------------------------------

  549. // Our LV2 Plugin base class

  550. 

  551. #if defined(__clang__)

  552. # pragma clang diagnostic push

  553. # pragma clang diagnostic ignored "-Weffc++"

  554. # pragma clang diagnostic ignored "-Wnon-virtual-dtor"

  555. #elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  556. # pragma GCC diagnostic push

  557. # pragma GCC diagnostic ignored "-Weffc++"

  558. # pragma GCC diagnostic ignored "-Wnon-virtual-dtor"

  559. #endif

  560. template<class TimeInfoStruct>

  561. class Lv2PluginBaseClass : public LV2_External_UI_Widget_Compat

  562. {

  563. #if defined(__clang__)

  564. # pragma clang diagnostic pop

  565. #elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  566. # pragma GCC diagnostic pop

  567. #endif

  568. public:

  569.     Lv2PluginBaseClass(const double sampleRate, const LV2_Feature* const* const features)

  570.         : fIsActive(false),

  571.           fIsOffline(false),

  572.           fUsingNominal(false),

  573.           fBufferSize(0),

  574.           fSampleRate(sampleRate),

  575.           fFreePath(nullptr),

  576.           fUridMap(nullptr),

  577.           fUridUnmap(nullptr),

  578.           fWorker(nullptr),

  579.           fInlineDisplay(nullptr),

  580.           fTimeInfo(),

  581.           fLastPositionData(),

  582.           fPorts(),

  583.           fURIs(),

  584.           fUI()

  585.     {

  586.         run  = extui_run;

  587.         show = extui_show;

  588.         hide = extui_hide;

  589. 

  590.         if (fSampleRate < 1.0)

  591.         {

  592.             carla_stderr("Host doesn't provide a valid sample rate");

  593.             return;

  594.         }

  595. 

  596.         const LV2_State_Free_Path* freePath  = nullptr;

  597.         const LV2_Options_Option*  options   = nullptr;

  598.         const LV2_URID_Map*        uridMap   = nullptr;

  599.         const LV2_URID_Unmap*      uridUnmap = nullptr;

  600.         const LV2_Worker_Schedule* worker    = nullptr;

  601.         const LV2_Inline_Display*  idisp     = nullptr;

  602. 

  603.         for (int i=0; features[i] != nullptr; ++i)

  604.         {

  605.             /**/ if (std::strcmp(features[i]->URI, LV2_STATE__freePath) == 0)

  606.                 freePath = (const LV2_State_Free_Path*)features[i]->data;

  607.             else if (std::strcmp(features[i]->URI, LV2_OPTIONS__options) == 0)

  608.                 options = (const LV2_Options_Option*)features[i]->data;

  609.             else if (std::strcmp(features[i]->URI, LV2_URID__map) == 0)

  610.                 uridMap = (const LV2_URID_Map*)features[i]->data;

  611.             else if (std::strcmp(features[i]->URI, LV2_URID__unmap) == 0)

  612.                 uridUnmap = (const LV2_URID_Unmap*)features[i]->data;

  613.             else if (std::strcmp(features[i]->URI, LV2_WORKER__schedule) == 0)

  614.                 worker = (const LV2_Worker_Schedule*)features[i]->data;

  615.             else if (std::strcmp(features[i]->URI, LV2_INLINEDISPLAY__queue_draw) == 0)

  616.                 idisp = (const LV2_Inline_Display*)features[i]->data;

  617.         }

  618. 

  619.         if (options == nullptr || uridMap == nullptr)

  620.         {

  621.             carla_stderr("Host doesn't provide option and urid-map features");

  622.             return;

  623.         }

  624. 

  625.         for (int i=0; options[i].key != 0; ++i)

  626.         {

  627.             if (uridUnmap != nullptr) {

  628.                 carla_debug("Host option %i:\"%s\"", i, uridUnmap->unmap(uridUnmap->handle, options[i].key));

  629.             }

  630. 

  631.             if (options[i].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__nominalBlockLength))

  632.             {

  633.                 if (options[i].type == uridMap->map(uridMap->handle, LV2_ATOM__Int))

  634.                 {

  635.                     const int32_t value(*(const int32_t*)options[i].value);

  636.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  637. 

  638.                     fBufferSize = static_cast<uint32_t>(value);

  639.                     fUsingNominal = true;

  640.                 }

  641.                 else

  642.                 {

  643.                     carla_stderr("Host provides nominalBlockLength but has wrong value type");

  644.                 }

  645.                 break;

  646.             }

  647. 

  648.             if (options[i].key == uridMap->map(uridMap->handle, LV2_BUF_SIZE__maxBlockLength))

  649.             {

  650.                 if (options[i].type == uridMap->map(uridMap->handle, LV2_ATOM__Int))

  651.                 {

  652.                     const int32_t value(*(const int32_t*)options[i].value);

  653.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  654. 

  655.                     fBufferSize = static_cast<uint32_t>(value);

  656.                 }

  657.                 else

  658.                 {

  659.                     carla_stderr("Host provides maxBlockLength but has wrong value type");

  660.                 }

  661.                 // no break, continue in case host supports nominalBlockLength

  662.             }

  663.         }

  664. 

  665.         if (fBufferSize == 0)

  666.         {

  667.             carla_stderr("Host doesn't provide buffer-size feature");

  668.             //return;

  669.             // as testing, continue for now

  670.             fBufferSize = 1024;

  671.         }

  672. 

  673.         fUridMap = uridMap;

  674.         fURIs.map(uridMap);

  675. 

  676.         fFreePath = freePath;

  677.         fUridUnmap = uridUnmap;

  678.         fWorker = worker;

  679.         fInlineDisplay = idisp;

  680. 

  681.         clearTimeData();

  682.     }

  683. 

  684.     virtual ~Lv2PluginBaseClass() {}

  685. 

  686.     bool loadedInProperHost() const noexcept

  687.     {

  688.         return fUridMap != nullptr && fBufferSize != 0;

  689.     }

  690. 

  691.     // ----------------------------------------------------------------------------------------------------------------

  692. 

  693.     void lv2_connect_port(const uint32_t port, void* const dataLocation) noexcept

  694.     {

  695.         fPorts.connectPort(port, dataLocation);

  696.     }

  697. 

  698.     bool lv2_pre_run(const uint32_t frames)

  699.     {

  700.         CARLA_SAFE_ASSERT_RETURN(fIsActive, false);

  701. 

  702.         fIsOffline = (fPorts.freewheel != nullptr && *fPorts.freewheel >= 0.5f);

  703. 

  704.         // cache midi events and time information first

  705.         if (fPorts.usesTime)

  706.         {

  707.             LV2_ATOM_SEQUENCE_FOREACH(fPorts.eventsIn[0], event)

  708.             {

  709.                 if (event == nullptr)

  710.                     continue;

  711.                 if (event->body.type != fURIs.atomBlank && event->body.type != fURIs.atomObject)

  712.                     continue;

  713. 

  714.                 const LV2_Atom_Object* const obj((const LV2_Atom_Object*)&event->body);

  715. 

  716.                 if (obj->body.otype != fURIs.timePos)

  717.                     continue;

  718. 

  719.                 LV2_Atom* bar = nullptr;

  720.                 LV2_Atom* barBeat = nullptr;

  721.                 LV2_Atom* beatUnit = nullptr;

  722.                 LV2_Atom* beatsPerBar = nullptr;

  723.                 LV2_Atom* beatsPerMinute = nullptr;

  724.                 LV2_Atom* frame = nullptr;

  725.                 LV2_Atom* speed = nullptr;

  726.                 LV2_Atom* ticksPerBeat = nullptr;

  727. 

  728.                 lv2_atom_object_get(obj,

  729.                                     fURIs.timeBar, &bar,

  730.                                     fURIs.timeBarBeat, &barBeat,

  731.                                     fURIs.timeBeatUnit, &beatUnit,

  732.                                     fURIs.timeBeatsPerBar, &beatsPerBar,

  733.                                     fURIs.timeBeatsPerMinute, &beatsPerMinute,

  734.                                     fURIs.timeFrame, &frame,

  735.                                     fURIs.timeSpeed, &speed,

  736.                                     fURIs.timeTicksPerBeat, &ticksPerBeat,

  737.                                     0);

  738. 

  739.                 // need to handle this first as other values depend on it

  740.                 if (ticksPerBeat != nullptr)

  741.                 {

  742.                     double ticksPerBeatValue = -1.0;

  743. 

  744.                     /**/ if (ticksPerBeat->type == fURIs.atomDouble)

  745.                         ticksPerBeatValue = ((LV2_Atom_Double*)ticksPerBeat)->body;

  746.                     else if (ticksPerBeat->type == fURIs.atomFloat)

  747.                         ticksPerBeatValue = ((LV2_Atom_Float*)ticksPerBeat)->body;

  748.                     else if (ticksPerBeat->type == fURIs.atomInt)

  749.                         ticksPerBeatValue = static_cast<double>(((LV2_Atom_Int*)ticksPerBeat)->body);

  750.                     else if (ticksPerBeat->type == fURIs.atomLong)

  751.                         ticksPerBeatValue = static_cast<double>(((LV2_Atom_Long*)ticksPerBeat)->body);

  752.                     else

  753.                         carla_stderr("Unknown lv2 ticksPerBeat value type");

  754. 

  755.                     if (ticksPerBeatValue > 0.0)

  756.                         fTimeInfo.bbt.ticksPerBeat = fLastPositionData.ticksPerBeat = ticksPerBeatValue;

  757.                     else

  758.                         carla_stderr("Invalid lv2 ticksPerBeat value");

  759.                 }

  760. 

  761.                 // same

  762.                 if (speed != nullptr)

  763.                 {

  764.                     /**/ if (speed->type == fURIs.atomDouble)

  765.                         fLastPositionData.speed = ((LV2_Atom_Double*)speed)->body;

  766.                     else if (speed->type == fURIs.atomFloat)

  767.                         fLastPositionData.speed = ((LV2_Atom_Float*)speed)->body;

  768.                     else if (speed->type == fURIs.atomInt)

  769.                         fLastPositionData.speed = static_cast<double>(((LV2_Atom_Int*)speed)->body);

  770.                     else if (speed->type == fURIs.atomLong)

  771.                         fLastPositionData.speed = static_cast<double>(((LV2_Atom_Long*)speed)->body);

  772.                     else

  773.                         carla_stderr("Unknown lv2 speed value type");

  774. 

  775.                     fTimeInfo.playing = carla_isNotZero(fLastPositionData.speed);

  776. 

  777.                     if (fTimeInfo.playing && fLastPositionData.beatsPerMinute > 0.0)

  778.                     {

  779.                         fTimeInfo.bbt.beatsPerMinute = fLastPositionData.beatsPerMinute*

  780.                                                         std::abs(fLastPositionData.speed);

  781.                     }

  782.                 }

  783. 

  784.                 if (bar != nullptr)

  785.                 {

  786.                     int64_t barValue = -1;

  787. 

  788.                     /**/ if (bar->type == fURIs.atomDouble)

  789.                         barValue = static_cast<int64_t>(((LV2_Atom_Double*)bar)->body);

  790.                     else if (bar->type == fURIs.atomFloat)

  791.                         barValue = static_cast<int64_t>(((LV2_Atom_Float*)bar)->body);

  792.                     else if (bar->type == fURIs.atomInt)

  793.                         barValue = ((LV2_Atom_Int*)bar)->body;

  794.                     else if (bar->type == fURIs.atomLong)

  795.                         barValue = ((LV2_Atom_Long*)bar)->body;

  796.                     else

  797.                         carla_stderr("Unknown lv2 bar value type");

  798. 

  799.                     if (barValue >= 0 && barValue < INT32_MAX)

  800.                     {

  801.                         fLastPositionData.bar   = static_cast<int32_t>(barValue);

  802.                         fLastPositionData.bar_f = static_cast<float>(barValue);

  803.                         fTimeInfo.bbt.bar = fLastPositionData.bar + 1;

  804.                     }

  805.                     else

  806.                     {

  807.                         carla_stderr("Invalid lv2 bar value");

  808.                     }

  809.                 }

  810. 

  811.                 if (barBeat != nullptr)

  812.                 {

  813.                     double barBeatValue = -1.0;

  814. 

  815.                     /**/ if (barBeat->type == fURIs.atomDouble)

  816.                         barBeatValue = ((LV2_Atom_Double*)barBeat)->body;

  817.                     else if (barBeat->type == fURIs.atomFloat)

  818.                         barBeatValue = ((LV2_Atom_Float*)barBeat)->body;

  819.                     else if (barBeat->type == fURIs.atomInt)

  820.                         barBeatValue = static_cast<float>(((LV2_Atom_Int*)barBeat)->body);

  821.                     else if (barBeat->type == fURIs.atomLong)

  822.                         barBeatValue = static_cast<float>(((LV2_Atom_Long*)barBeat)->body);

  823.                     else

  824.                         carla_stderr("Unknown lv2 barBeat value type");

  825. 

  826.                     if (barBeatValue >= 0.0)

  827.                     {

  828.                         fLastPositionData.barBeat = static_cast<float>(barBeatValue);

  829. 

  830.                         const double rest  = std::fmod(barBeatValue, 1.0);

  831.                         fTimeInfo.bbt.beat = static_cast<int32_t>(barBeatValue-rest+1.0);

  832.                         fTimeInfo.bbt.tick = static_cast<int32_t>(rest*fTimeInfo.bbt.ticksPerBeat+0.5);

  833.                     }

  834.                     else

  835.                     {

  836.                         carla_stderr("Invalid lv2 barBeat value");

  837.                     }

  838.                 }

  839. 

  840.                 if (beatUnit != nullptr)

  841.                 {

  842.                     int64_t beatUnitValue = -1;

  843. 

  844.                     /**/ if (beatUnit->type == fURIs.atomDouble)

  845.                         beatUnitValue = static_cast<int64_t>(((LV2_Atom_Double*)beatUnit)->body);

  846.                     else if (beatUnit->type == fURIs.atomFloat)

  847.                         beatUnitValue = static_cast<int64_t>(((LV2_Atom_Float*)beatUnit)->body);

  848.                     else if (beatUnit->type == fURIs.atomInt)

  849.                         beatUnitValue = ((LV2_Atom_Int*)beatUnit)->body;

  850.                     else if (beatUnit->type == fURIs.atomLong)

  851.                         beatUnitValue = ((LV2_Atom_Long*)beatUnit)->body;

  852.                     else

  853.                         carla_stderr("Unknown lv2 beatUnit value type");

  854. 

  855.                     if (beatUnitValue > 0 && beatUnitValue < UINT32_MAX)

  856.                     {

  857.                         fLastPositionData.beatUnit = static_cast<uint32_t>(beatUnitValue);

  858.                         fTimeInfo.bbt.beatType     = static_cast<float>(beatUnitValue);

  859.                     }

  860.                     else

  861.                     {

  862.                         carla_stderr("Invalid lv2 beatUnit value");

  863.                     }

  864.                 }

  865. 

  866.                 if (beatsPerBar != nullptr)

  867.                 {

  868.                     float beatsPerBarValue = -1.0f;

  869. 

  870.                     /**/ if (beatsPerBar->type == fURIs.atomDouble)

  871.                         beatsPerBarValue = static_cast<float>(((LV2_Atom_Double*)beatsPerBar)->body);

  872.                     else if (beatsPerBar->type == fURIs.atomFloat)

  873.                         beatsPerBarValue = ((LV2_Atom_Float*)beatsPerBar)->body;

  874.                     else if (beatsPerBar->type == fURIs.atomInt)

  875.                         beatsPerBarValue = static_cast<float>(((LV2_Atom_Int*)beatsPerBar)->body);

  876.                     else if (beatsPerBar->type == fURIs.atomLong)

  877.                         beatsPerBarValue = static_cast<float>(((LV2_Atom_Long*)beatsPerBar)->body);

  878.                     else

  879.                         carla_stderr("Unknown lv2 beatsPerBar value type");

  880. 

  881.                     if (beatsPerBarValue > 0.0f)

  882.                         fTimeInfo.bbt.beatsPerBar = fLastPositionData.beatsPerBar = beatsPerBarValue;

  883.                     else

  884.                         carla_stderr("Invalid lv2 beatsPerBar value");

  885.                 }

  886. 

  887.                 if (beatsPerMinute != nullptr)

  888.                 {

  889.                     double beatsPerMinuteValue = -1.0;

  890. 

  891.                     /**/ if (beatsPerMinute->type == fURIs.atomDouble)

  892.                         beatsPerMinuteValue = ((LV2_Atom_Double*)beatsPerMinute)->body;

  893.                     else if (beatsPerMinute->type == fURIs.atomFloat)

  894.                         beatsPerMinuteValue = ((LV2_Atom_Float*)beatsPerMinute)->body;

  895.                     else if (beatsPerMinute->type == fURIs.atomInt)

  896.                         beatsPerMinuteValue = static_cast<double>(((LV2_Atom_Int*)beatsPerMinute)->body);

  897.                     else if (beatsPerMinute->type == fURIs.atomLong)

  898.                         beatsPerMinuteValue = static_cast<double>(((LV2_Atom_Long*)beatsPerMinute)->body);

  899.                     else

  900.                         carla_stderr("Unknown lv2 beatsPerMinute value type");

  901. 

  902.                     if (beatsPerMinuteValue >= 12.0 && beatsPerMinuteValue <= 999.0)

  903.                     {

  904.                         fTimeInfo.bbt.beatsPerMinute = fLastPositionData.beatsPerMinute = beatsPerMinuteValue;

  905. 

  906.                         if (carla_isNotZero(fLastPositionData.speed))

  907.                             fTimeInfo.bbt.beatsPerMinute *= std::abs(fLastPositionData.speed);

  908.                     }

  909.                     else

  910.                     {

  911.                         carla_stderr("Invalid lv2 beatsPerMinute value");

  912.                     }

  913.                 }

  914. 

  915.                 if (frame != nullptr)

  916.                 {

  917.                     int64_t frameValue = -1;

  918. 

  919.                     /**/ if (frame->type == fURIs.atomDouble)

  920.                         frameValue = static_cast<int64_t>(((LV2_Atom_Double*)frame)->body);

  921.                     else if (frame->type == fURIs.atomFloat)

  922.                         frameValue = static_cast<int64_t>(((LV2_Atom_Float*)frame)->body);

  923.                     else if (frame->type == fURIs.atomInt)

  924.                         frameValue = ((LV2_Atom_Int*)frame)->body;

  925.                     else if (frame->type == fURIs.atomLong)

  926.                         frameValue = ((LV2_Atom_Long*)frame)->body;

  927.                     else

  928.                         carla_stderr("Unknown lv2 frame value type");

  929. 

  930.                     if (frameValue >= 0)

  931.                         fTimeInfo.frame = fLastPositionData.frame = static_cast<uint64_t>(frameValue);

  932.                     else

  933.                         carla_stderr("Invalid lv2 frame value");

  934.                 }

  935. 

  936.                 fTimeInfo.bbt.barStartTick = static_cast<double>(fTimeInfo.bbt.ticksPerBeat) *

  937.                                              static_cast<double>(fTimeInfo.bbt.beatsPerBar) *

  938.                                              (fTimeInfo.bbt.bar-1);

  939. 

  940.                 fTimeInfo.bbt.valid = (fLastPositionData.beatsPerMinute > 0.0 &&

  941.                                        fLastPositionData.beatUnit > 0 &&

  942.                                        fLastPositionData.beatsPerBar > 0.0f);

  943.             }

  944.         }

  945. 

  946.         // Check for updated parameters

  947.         float curValue;

  948. 

  949.         for (uint32_t i=0; i < fPorts.numParams; ++i)

  950.         {

  951.             if (fPorts.paramsOut[i])

  952.                 continue;

  953. 

  954.             CARLA_SAFE_ASSERT_CONTINUE(fPorts.paramsPtr[i] != nullptr)

  955. 

  956.             curValue = *fPorts.paramsPtr[i];

  957. 

  958.             if (carla_isEqual(fPorts.paramsLast[i], curValue))

  959.                 continue;

  960. 

  961.             fPorts.paramsLast[i] = curValue;

  962.             handleParameterValueChanged(i, curValue);

  963.         }

  964. 

  965.         if (frames == 0)

  966.             return false;

  967. 

  968.         // init event out data

  969.         if (fPorts.numMidiOuts > 0 || fPorts.hasUI)

  970.         {

  971.             const uint32_t count = fPorts.numMidiOuts > 0 ? fPorts.numMidiOuts : 1;

  972. 

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

  974.             {

  975.                 LV2_Atom_Sequence* const seq(fPorts.eventsOut[i]);

  976.                 CARLA_SAFE_ASSERT_CONTINUE(seq != nullptr);

  977. 

  978.                 fPorts.eventsOutData[i].capacity = seq->atom.size;

  979.                 fPorts.eventsOutData[i].offset   = 0;

  980. 

  981.                 seq->atom.size = sizeof(LV2_Atom_Sequence_Body);

  982.                 seq->atom.type = fURIs.atomSequence;

  983.                 seq->body.unit = 0;

  984.                 seq->body.pad  = 0;

  985.             }

  986.         }

  987. 

  988.         return true;

  989.     }

  990. 

  991.     void lv2_post_run(const uint32_t frames)

  992.     {

  993.         // update timePos for next callback

  994. 

  995.         if (carla_isZero(fLastPositionData.speed))

  996.             return;

  997. 

  998.         if (fLastPositionData.speed > 0.0)

  999.         {

  1000.             // playing forwards

  1001.             fLastPositionData.frame += frames;

  1002.         }

  1003.         else

  1004.         {

  1005.             // playing backwards

  1006.             if (frames >= fLastPositionData.frame)

  1007.                 fLastPositionData.frame = 0;

  1008.             else

  1009.                 fLastPositionData.frame -= frames;

  1010.         }

  1011. 

  1012.         fTimeInfo.frame = fLastPositionData.frame;

  1013. 

  1014.         if (fTimeInfo.bbt.valid)

  1015.         {

  1016.             const double beatsPerMinute = fLastPositionData.beatsPerMinute * fLastPositionData.speed;

  1017.             const double framesPerBeat  = 60.0 * fSampleRate / beatsPerMinute;

  1018.             const double addedBarBeats  = double(frames) / framesPerBeat;

  1019. 

  1020.             if (fLastPositionData.barBeat >= 0.0f)

  1021.             {

  1022.                 fLastPositionData.barBeat = std::fmod(fLastPositionData.barBeat+static_cast<float>(addedBarBeats),

  1023.                                                       fLastPositionData.beatsPerBar);

  1024. 

  1025.                 const double rest  = std::fmod(fLastPositionData.barBeat, 1.0f);

  1026.                 fTimeInfo.bbt.beat = static_cast<int32_t>(static_cast<double>(fLastPositionData.barBeat)-rest+1.0);

  1027.                 fTimeInfo.bbt.tick = rest * fTimeInfo.bbt.ticksPerBeat;

  1028. 

  1029.                 if (fLastPositionData.bar_f >= 0.0f)

  1030.                 {

  1031.                     fLastPositionData.bar_f += std::floor((fLastPositionData.barBeat+static_cast<float>(addedBarBeats))/

  1032.                                                            fLastPositionData.beatsPerBar);

  1033. 

  1034.                     if (fLastPositionData.bar_f <= 0.0f)

  1035.                     {

  1036.                         fLastPositionData.bar   = 0;

  1037.                         fLastPositionData.bar_f = 0.0f;

  1038.                     }

  1039.                     else

  1040.                     {

  1041.                         fLastPositionData.bar = static_cast<int32_t>(fLastPositionData.bar_f+0.5f);

  1042.                     }

  1043. 

  1044.                     fTimeInfo.bbt.bar = fLastPositionData.bar + 1;

  1045. 

  1046.                     fTimeInfo.bbt.barStartTick = static_cast<double>(fTimeInfo.bbt.ticksPerBeat) *

  1047.                                                  static_cast<double>(fTimeInfo.bbt.beatsPerBar) *

  1048.                                                  (fTimeInfo.bbt.bar-1);

  1049.                 }

  1050.             }

  1051.         }

  1052.     }

  1053. 

  1054.     // ----------------------------------------------------------------------------------------------------------------

  1055. 

  1056.     uint32_t lv2_get_options(LV2_Options_Option* const /*options*/) const

  1057.     {

  1058.         // currently unused

  1059.         return LV2_OPTIONS_SUCCESS;

  1060.     }

  1061. 

  1062.     uint32_t lv2_set_options(const LV2_Options_Option* const options)

  1063.     {

  1064.         for (int i=0; options[i].key != 0; ++i)

  1065.         {

  1066.             if (options[i].key == fUridMap->map(fUridMap->handle, LV2_BUF_SIZE__nominalBlockLength))

  1067.             {

  1068.                 if (options[i].type == fURIs.atomInt)

  1069.                 {

  1070.                     const int32_t value(*(const int32_t*)options[i].value);

  1071.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  1072. 

  1073.                     const uint32_t newBufferSize = static_cast<uint32_t>(value);

  1074. 

  1075.                     if (fBufferSize != newBufferSize)

  1076.                     {

  1077.                         fBufferSize = newBufferSize;

  1078.                         handleBufferSizeChanged(newBufferSize);

  1079.                     }

  1080.                 }

  1081.                 else

  1082.                 {

  1083.                     carla_stderr("Host changed nominalBlockLength but with wrong value type");

  1084.                 }

  1085.             }

  1086.             else if (options[i].key == fUridMap->map(fUridMap->handle, LV2_BUF_SIZE__maxBlockLength) && ! fUsingNominal)

  1087.             {

  1088.                 if (options[i].type == fURIs.atomInt)

  1089.                 {

  1090.                     const int32_t value(*(const int32_t*)options[i].value);

  1091.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  1092. 

  1093.                     const uint32_t newBufferSize = static_cast<uint32_t>(value);

  1094. 

  1095.                     if (fBufferSize != newBufferSize)

  1096.                     {

  1097.                         fBufferSize = newBufferSize;

  1098.                         handleBufferSizeChanged(newBufferSize);

  1099.                     }

  1100.                 }

  1101.                 else

  1102.                 {

  1103.                     carla_stderr("Host changed maxBlockLength but with wrong value type");

  1104.                 }

  1105.             }

  1106.             else if (options[i].key == fUridMap->map(fUridMap->handle, LV2_PARAMETERS__sampleRate))

  1107.             {

  1108.                 if (options[i].type == fURIs.atomFloat)

  1109.                 {

  1110.                     const double value(*(const float*)options[i].value);

  1111.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0.0);

  1112. 

  1113.                     if (carla_isNotEqual(fSampleRate, value))

  1114.                     {

  1115.                         fSampleRate = value;

  1116.                         handleSampleRateChanged(value);

  1117.                     }

  1118.                 }

  1119.                 else

  1120.                 {

  1121.                     carla_stderr("Host changed sampleRate but with wrong value type");

  1122.                 }

  1123.             }

  1124.         }

  1125. 

  1126.         return LV2_OPTIONS_SUCCESS;

  1127.     }

  1128. 

  1129.     // ----------------------------------------------------------------------------------------------------------------

  1130. 

  1131.     int lv2ui_idle() const

  1132.     {

  1133.         if (! fUI.isVisible)

  1134.             return 1;

  1135. 

  1136.         handleUiRun();

  1137.         return 0;

  1138.     }

  1139. 

  1140.     int lv2ui_show()

  1141.     {

  1142.         handleUiShow();

  1143.         return 0;

  1144.     }

  1145. 

  1146.     int lv2ui_hide()

  1147.     {

  1148.         handleUiHide();

  1149.         return 0;

  1150.     }

  1151. 

  1152.     void lv2ui_cleanup()

  1153.     {

  1154.         if (fUI.isVisible)

  1155.             handleUiHide();

  1156. 

  1157.         fUI.host = nullptr;

  1158.         fUI.touch = nullptr;

  1159.         fUI.writeFunction = nullptr;

  1160.         fUI.controller = nullptr;

  1161.     }

  1162. 

  1163.     // ----------------------------------------------------------------------------------------------------------------

  1164. 

  1165. protected:

  1166.     virtual void handleUiRun() const = 0;

  1167.     virtual void handleUiShow() = 0;

  1168.     virtual void handleUiHide() = 0;

  1169. 

  1170.     virtual void handleParameterValueChanged(const uint32_t index, const float value) = 0;

  1171.     virtual void handleBufferSizeChanged(const uint32_t bufferSize) = 0;

  1172.     virtual void handleSampleRateChanged(const double sampleRate) = 0;

  1173. 

  1174.     void resetTimeInfo() noexcept

  1175.     {

  1176.         clearTimeData();

  1177. 

  1178.         // hosts may not send all values, resulting on some invalid data

  1179.         fTimeInfo.bbt.bar   = 1;

  1180.         fTimeInfo.bbt.beat  = 1;

  1181.         fTimeInfo.bbt.beatsPerBar    = 4;

  1182.         fTimeInfo.bbt.beatType       = 4;

  1183.         fTimeInfo.bbt.ticksPerBeat   = fLastPositionData.ticksPerBeat   = 960.0;

  1184.         fTimeInfo.bbt.beatsPerMinute = fLastPositionData.beatsPerMinute = 120.0;

  1185.     }

  1186. 

  1187.     // LV2 host data

  1188.     bool     fIsActive : 1;

  1189.     bool     fIsOffline : 1;

  1190.     bool     fUsingNominal : 1;

  1191.     uint32_t fBufferSize;

  1192.     double   fSampleRate;

  1193. 

  1194.     // LV2 host features

  1195.     const LV2_State_Free_Path* fFreePath;

  1196.     const LV2_URID_Map* fUridMap;

  1197.     const LV2_URID_Unmap* fUridUnmap;

  1198.     const LV2_Worker_Schedule* fWorker;

  1199.     const LV2_Inline_Display* fInlineDisplay;

  1200. 

  1201.     // Time info stuff

  1202.     TimeInfoStruct fTimeInfo;

  1203. 

  1204.     struct Lv2PositionData {

  1205.         int32_t  bar;

  1206.         float    bar_f;

  1207.         float    barBeat;

  1208.         uint32_t beatUnit;

  1209.         float    beatsPerBar;

  1210.         double   beatsPerMinute;

  1211.         uint64_t frame;

  1212.         double   speed;

  1213.         double   ticksPerBeat;

  1214. 

  1215.         Lv2PositionData()

  1216.             : bar(-1),

  1217.               bar_f(-1.0f),

  1218.               barBeat(-1.0f),

  1219.               beatUnit(0),

  1220.               beatsPerBar(0.0f),

  1221.               beatsPerMinute(-1.0),

  1222.               frame(0),

  1223.               speed(0.0),

  1224.               ticksPerBeat(-1.0) {}

  1225. 

  1226.         void clear()

  1227.         {

  1228.             bar = -1;

  1229.             bar_f = -1.0f;

  1230.             barBeat = -1.0f;

  1231.             beatUnit = 0;

  1232.             beatsPerBar = 0.0f;

  1233.             beatsPerMinute = -1.0;

  1234.             frame = 0;

  1235.             speed = 0.0;

  1236.             ticksPerBeat = -1.0;

  1237.         }

  1238. 

  1239.     } fLastPositionData;

  1240. 

  1241.     // Port stuff

  1242.     struct Ports {

  1243.         // need to save current state

  1244.         struct EventsOutData {

  1245.             uint32_t capacity;

  1246.             uint32_t offset;

  1247. 

  1248.             EventsOutData()

  1249.                 : capacity(0),

  1250.                   offset(0) {}

  1251.         };

  1252. 

  1253.         // store port info

  1254.         uint32_t indexOffset;

  1255.         uint32_t numAudioIns;

  1256.         uint32_t numAudioOuts;

  1257.         uint32_t numCVIns;

  1258.         uint32_t numCVOuts;

  1259.         uint32_t numMidiIns;

  1260.         uint32_t numMidiOuts;

  1261.         uint32_t numParams;

  1262.         bool hasUI;

  1263.         bool usesTime;

  1264. 

  1265.         // port buffers

  1266.         const LV2_Atom_Sequence** eventsIn;

  1267.         /* */ LV2_Atom_Sequence** eventsOut;

  1268.         /* */ EventsOutData*      eventsOutData;

  1269.         /* */ float** audioCVIns;

  1270.         /* */ float** audioCVOuts;

  1271.         /* */ float*  freewheel;

  1272. 

  1273.         // cached parameter values

  1274.         float*  paramsLast;

  1275.         float** paramsPtr;

  1276.         bool*   paramsOut;

  1277. 

  1278.         Ports()

  1279.             : indexOffset(0),

  1280.               numAudioIns(0),

  1281.               numAudioOuts(0),

  1282.               numCVIns(0),

  1283.               numCVOuts(0),

  1284.               numMidiIns(0),

  1285.               numMidiOuts(0),

  1286.               numParams(0),

  1287.               hasUI(false),

  1288.               usesTime(false),

  1289.               eventsIn(nullptr),

  1290.               eventsOut(nullptr),

  1291.               eventsOutData(nullptr),

  1292.               audioCVIns(nullptr),

  1293.               audioCVOuts(nullptr),

  1294.               freewheel(nullptr),

  1295.               paramsLast(nullptr),

  1296.               paramsPtr(nullptr),

  1297.               paramsOut(nullptr) {}

  1298. 

  1299.         ~Ports()

  1300.         {

  1301.             if (eventsIn != nullptr)

  1302.             {

  1303.                 delete[] eventsIn;

  1304.                 eventsIn = nullptr;

  1305.             }

  1306. 

  1307.             if (eventsOut != nullptr)

  1308.             {

  1309.                 delete[] eventsOut;

  1310.                 eventsOut = nullptr;

  1311.             }

  1312. 

  1313.             if (eventsOutData != nullptr)

  1314.             {

  1315.                 delete[] eventsOutData;

  1316.                 eventsOutData = nullptr;

  1317.             }

  1318. 

  1319.             if (audioCVIns != nullptr)

  1320.             {

  1321.                 delete[] audioCVIns;

  1322.                 audioCVIns = nullptr;

  1323.             }

  1324. 

  1325.             if (audioCVOuts != nullptr)

  1326.             {

  1327.                 delete[] audioCVOuts;

  1328.                 audioCVOuts = nullptr;

  1329.             }

  1330. 

  1331.             if (paramsLast != nullptr)

  1332.             {

  1333.                 delete[] paramsLast;

  1334.                 paramsLast = nullptr;

  1335.             }

  1336. 

  1337.             if (paramsPtr != nullptr)

  1338.             {

  1339.                 delete[] paramsPtr;

  1340.                 paramsPtr = nullptr;

  1341.             }

  1342. 

  1343.             if (paramsOut != nullptr)

  1344.             {

  1345.                 delete[] paramsOut;

  1346.                 paramsOut = nullptr;

  1347.             }

  1348.         }

  1349. 

  1350.         // NOTE: assumes num* has been filled by parent class

  1351.         void init()

  1352.         {

  1353.             if (numMidiIns > 0)

  1354.             {

  1355.                 eventsIn = new const LV2_Atom_Sequence*[numMidiIns];

  1356. 

  1357.                 for (uint32_t i=0; i < numMidiIns; ++i)

  1358.                     eventsIn[i] = nullptr;

  1359.             }

  1360.             else if (usesTime || hasUI)

  1361.             {

  1362.                 eventsIn = new const LV2_Atom_Sequence*[1];

  1363.                 eventsIn[0] = nullptr;

  1364.             }

  1365. 

  1366.             if (numMidiOuts > 0)

  1367.             {

  1368.                 eventsOut = new LV2_Atom_Sequence*[numMidiOuts];

  1369.                 eventsOutData = new EventsOutData[numMidiOuts];

  1370. 

  1371.                 for (uint32_t i=0; i < numMidiOuts; ++i)

  1372.                     eventsOut[i] = nullptr;

  1373.             }

  1374.             else if (hasUI)

  1375.             {

  1376.                 eventsOut = new LV2_Atom_Sequence*[1];

  1377.                 eventsOut[0] = nullptr;

  1378.                 eventsOutData = new EventsOutData[1];

  1379.             }

  1380. 

  1381.             if (const uint32_t numAudioCVIns = numAudioIns+numCVIns)

  1382.             {

  1383.                 audioCVIns = new float*[numAudioCVIns];

  1384.                 carla_zeroPointers(audioCVIns, numAudioCVIns);

  1385.             }

  1386. 

  1387.             if (const uint32_t numAudioCVOuts = numAudioOuts+numCVOuts)

  1388.             {

  1389.                 audioCVOuts = new float*[numAudioCVOuts];

  1390.                 carla_zeroPointers(audioCVOuts, numAudioCVOuts);

  1391.             }

  1392. 

  1393.             if (numParams > 0)

  1394.             {

  1395.                 paramsLast = new float[numParams];

  1396.                 paramsPtr  = new float*[numParams];

  1397.                 paramsOut  = new bool[numParams];

  1398. 

  1399.                 carla_zeroFloats(paramsLast, numParams);

  1400.                 carla_zeroPointers(paramsPtr, numParams);

  1401.                 carla_zeroStructs(paramsOut, numParams);

  1402. 

  1403.                 // NOTE: need to be filled in by the parent class

  1404.             }

  1405. 

  1406.             indexOffset  = numAudioIns + numAudioOuts + numCVIns + numCVOuts;

  1407.             // 1 event port for time or ui if no midi input is used

  1408.             indexOffset += numMidiIns > 0 ? numMidiIns : ((usesTime || hasUI) ? 1 : 0);

  1409.             // 1 event port for ui if no midi output is used

  1410.             indexOffset += numMidiOuts > 0 ? numMidiOuts : (hasUI ? 1 : 0);

  1411.             // 1 extra for freewheel port

  1412.             indexOffset += 1;

  1413.         }

  1414. 

  1415.         void connectPort(const uint32_t port, void* const dataLocation)

  1416.         {

  1417.             uint32_t index = 0;

  1418. 

  1419.             if (numMidiIns > 0 || usesTime || hasUI)

  1420.             {

  1421.                 if (port == index++)

  1422.                 {

  1423.                     eventsIn[0] = (LV2_Atom_Sequence*)dataLocation;

  1424.                     return;

  1425.                 }

  1426.             }

  1427. 

  1428.             for (uint32_t i=1; i < numMidiIns; ++i)

  1429.             {

  1430.                 if (port == index++)

  1431.                 {

  1432.                     eventsIn[i] = (LV2_Atom_Sequence*)dataLocation;

  1433.                     return;

  1434.                 }

  1435.             }

  1436. 

  1437.             if (numMidiOuts > 0 || hasUI)

  1438.             {

  1439.                 if (port == index++)

  1440.                 {

  1441.                     eventsOut[0] = (LV2_Atom_Sequence*)dataLocation;

  1442.                     return;

  1443.                 }

  1444.             }

  1445. 

  1446.             for (uint32_t i=1; i < numMidiOuts; ++i)

  1447.             {

  1448.                 if (port == index++)

  1449.                 {

  1450.                     eventsOut[i] = (LV2_Atom_Sequence*)dataLocation;

  1451.                     return;

  1452.                 }

  1453.             }

  1454. 

  1455.             if (port == index++)

  1456.             {

  1457.                 freewheel = (float*)dataLocation;

  1458.                 return;

  1459.             }

  1460. 

  1461.             for (uint32_t i=0; i < numAudioIns; ++i)

  1462.             {

  1463.                 if (port == index++)

  1464.                 {

  1465.                     audioCVIns[i] = (float*)dataLocation;

  1466.                     return;

  1467.                 }

  1468.             }

  1469. 

  1470.             for (uint32_t i=0; i < numAudioOuts; ++i)

  1471.             {

  1472.                 if (port == index++)

  1473.                 {

  1474.                     audioCVOuts[i] = (float*)dataLocation;

  1475.                     return;

  1476.                 }

  1477.             }

  1478. 

  1479.             for (uint32_t i=0; i < numCVIns; ++i)

  1480.             {

  1481.                 if (port == index++)

  1482.                 {

  1483.                     audioCVIns[numAudioIns+i] = (float*)dataLocation;

  1484.                     return;

  1485.                 }

  1486.             }

  1487. 

  1488.             for (uint32_t i=0; i < numCVOuts; ++i)

  1489.             {

  1490.                 if (port == index++)

  1491.                 {

  1492.                     audioCVOuts[numAudioOuts+i] = (float*)dataLocation;

  1493.                     return;

  1494.                 }

  1495.             }

  1496. 

  1497.             for (uint32_t i=0; i < numParams; ++i)

  1498.             {

  1499.                 if (port == index++)

  1500.                 {

  1501.                     paramsPtr[i] = (float*)dataLocation;

  1502.                     return;

  1503.                 }

  1504.             }

  1505.         }

  1506. 

  1507.         CARLA_DECLARE_NON_COPY_STRUCT(Ports);

  1508.     } fPorts;

  1509. 

  1510.     // Rest of host<->plugin support

  1511.     struct URIDs {

  1512.         LV2_URID atomBlank;

  1513.         LV2_URID atomObject;

  1514.         LV2_URID atomDouble;

  1515.         LV2_URID atomFloat;

  1516.         LV2_URID atomInt;

  1517.         LV2_URID atomLong;

  1518.         LV2_URID atomPath;

  1519.         LV2_URID atomSequence;

  1520.         LV2_URID atomString;

  1521.         LV2_URID atomURID;

  1522.         LV2_URID carlaFile;

  1523.         LV2_URID carlaFileAudio;

  1524.         LV2_URID carlaFileMIDI;

  1525.         LV2_URID midiEvent;

  1526.         LV2_URID patchProperty;

  1527.         LV2_URID patchGet;

  1528.         LV2_URID patchSet;

  1529.         LV2_URID patchValue;

  1530.         LV2_URID timePos;

  1531.         LV2_URID timeBar;

  1532.         LV2_URID timeBarBeat;

  1533.         LV2_URID timeBeatsPerBar;

  1534.         LV2_URID timeBeatsPerMinute;

  1535.         LV2_URID timeBeatUnit;

  1536.         LV2_URID timeFrame;

  1537.         LV2_URID timeSpeed;

  1538.         LV2_URID timeTicksPerBeat;

  1539.         LV2_URID carlaRequestIdle;

  1540.         LV2_URID carlaUiEvents;

  1541. 

  1542.         URIDs()

  1543.             : atomBlank(0),

  1544.               atomObject(0),

  1545.               atomDouble(0),

  1546.               atomFloat(0),

  1547.               atomInt(0),

  1548.               atomLong(0),

  1549.               atomPath(0),

  1550.               atomSequence(0),

  1551.               atomString(0),

  1552.               atomURID(0),

  1553.               carlaFile(0),

  1554.               carlaFileAudio(0),

  1555.               carlaFileMIDI(0),

  1556.               midiEvent(0),

  1557.               patchProperty(0),

  1558.               patchGet(0),

  1559.               patchSet(0),

  1560.               patchValue(0),

  1561.               timePos(0),

  1562.               timeBar(0),

  1563.               timeBarBeat(0),

  1564.               timeBeatsPerBar(0),

  1565.               timeBeatsPerMinute(0),

  1566.               timeBeatUnit(0),

  1567.               timeFrame(0),

  1568.               timeSpeed(0),

  1569.               timeTicksPerBeat(0),

  1570.               carlaRequestIdle(0),

  1571.               carlaUiEvents(0) {}

  1572. 

  1573.         void map(const LV2_URID_Map* const uridMap)

  1574.         {

  1575.             atomBlank          = uridMap->map(uridMap->handle, LV2_ATOM__Blank);

  1576.             atomObject         = uridMap->map(uridMap->handle, LV2_ATOM__Object);

  1577.             atomDouble         = uridMap->map(uridMap->handle, LV2_ATOM__Double);

  1578.             atomFloat          = uridMap->map(uridMap->handle, LV2_ATOM__Float);

  1579.             atomInt            = uridMap->map(uridMap->handle, LV2_ATOM__Int);

  1580.             atomLong           = uridMap->map(uridMap->handle, LV2_ATOM__Long);

  1581.             atomPath           = uridMap->map(uridMap->handle, LV2_ATOM__Path);

  1582.             atomSequence       = uridMap->map(uridMap->handle, LV2_ATOM__Sequence);

  1583.             atomString         = uridMap->map(uridMap->handle, LV2_ATOM__String);

  1584.             atomURID           = uridMap->map(uridMap->handle, LV2_ATOM__URID);

  1585.             carlaFile          = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/file");

  1586.             carlaFileAudio     = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/file/audio");

  1587.             carlaFileMIDI      = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/file/midi");

  1588.             midiEvent          = uridMap->map(uridMap->handle, LV2_MIDI__MidiEvent);

  1589.             patchProperty      = uridMap->map(uridMap->handle, LV2_PATCH__property);

  1590.             patchGet           = uridMap->map(uridMap->handle, LV2_PATCH__Get);

  1591.             patchSet           = uridMap->map(uridMap->handle, LV2_PATCH__Set);

  1592.             patchValue         = uridMap->map(uridMap->handle, LV2_PATCH__value);

  1593.             timePos            = uridMap->map(uridMap->handle, LV2_TIME__Position);

  1594.             timeBar            = uridMap->map(uridMap->handle, LV2_TIME__bar);

  1595.             timeBarBeat        = uridMap->map(uridMap->handle, LV2_TIME__barBeat);

  1596.             timeBeatUnit       = uridMap->map(uridMap->handle, LV2_TIME__beatUnit);

  1597.             timeFrame          = uridMap->map(uridMap->handle, LV2_TIME__frame);

  1598.             timeSpeed          = uridMap->map(uridMap->handle, LV2_TIME__speed);

  1599.             timeBeatsPerBar    = uridMap->map(uridMap->handle, LV2_TIME__beatsPerBar);

  1600.             timeBeatsPerMinute = uridMap->map(uridMap->handle, LV2_TIME__beatsPerMinute);

  1601.             timeTicksPerBeat   = uridMap->map(uridMap->handle, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat);

  1602.             carlaRequestIdle   = uridMap->map(uridMap->handle, "urn:carla:idle");

  1603.             carlaUiEvents      = uridMap->map(uridMap->handle, "urn:carla:uiEvents");

  1604.         }

  1605.     } fURIs;

  1606. 

  1607.     struct UI {

  1608.         const LV2_External_UI_Host* host;

  1609.         const LV2UI_Touch* touch;

  1610.         LV2UI_Write_Function writeFunction;

  1611.         LV2UI_Controller controller;

  1612.         bool isVisible;

  1613. 

  1614.         UI()

  1615.             : host(nullptr),

  1616.               touch(nullptr),

  1617.               writeFunction(nullptr),

  1618.               controller(nullptr),

  1619.               isVisible(false) {}

  1620.     } fUI;

  1621. 

  1622. private:

  1623.     // ----------------------------------------------------------------------------------------------------------------

  1624. 

  1625.     #define handlePtr ((Lv2PluginBaseClass*)handle)

  1626. 

  1627.     static void extui_run(LV2_External_UI_Widget_Compat* handle)

  1628.     {

  1629.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1630. 

  1631.         handlePtr->handleUiRun();

  1632.     }

  1633. 

  1634.     static void extui_show(LV2_External_UI_Widget_Compat* handle)

  1635.     {

  1636.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1637.         carla_debug("extui_show(%p)", handle);

  1638. 

  1639.         handlePtr->handleUiShow();

  1640.     }

  1641. 

  1642.     static void extui_hide(LV2_External_UI_Widget_Compat* handle)

  1643.     {

  1644.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1645.         carla_debug("extui_hide(%p)", handle);

  1646. 

  1647.         handlePtr->handleUiHide();

  1648.     }

  1649. 

  1650.     #undef handlePtr

  1651. 

  1652.     // ----------------------------------------------------------------------------------------------------------------

  1653. 

  1654.     void clearTimeData() noexcept;

  1655. 

  1656.     // ----------------------------------------------------------------------------------------------------------------

  1657. 

  1658.     CARLA_DECLARE_NON_COPY_STRUCT(Lv2PluginBaseClass)

  1659. };

  1660. 

  1661. // --------------------------------------------------------------------------------------------------------------------

  1662. // Create new RDF object (using lilv)

  1663. 

  1664. static inline

  1665. const LV2_RDF_Descriptor* lv2_rdf_new(const LV2_URI uri, const bool loadPresets)

  1666. {

  1667.     CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', nullptr);

  1668. 

  1669.     Lv2WorldClass& lv2World(Lv2WorldClass::getInstance());

  1670. 

  1671.     const LilvPlugin* const cPlugin(lv2World.getPluginFromURI(uri));

  1672.     CARLA_SAFE_ASSERT_RETURN(cPlugin != nullptr, nullptr);

  1673. 

  1674.     Lilv::Plugin lilvPlugin(cPlugin);

  1675.     LV2_RDF_Descriptor* const rdfDescriptor(new LV2_RDF_Descriptor());

  1676. 

  1677.     CarlaStringList portGroupURIs(false); // does not allocate own elements

  1678.     LinkedList<LilvNode*> portGroupNodes;

  1679. 

  1680.     // ----------------------------------------------------------------------------------------------------------------

  1681.     // Set Plugin Type

  1682.     {

  1683.         Lilv::Nodes typeNodes(lilvPlugin.get_value(lv2World.rdf_type));

  1684. 

  1685.         if (typeNodes.size() > 0)

  1686.         {

  1687.             if (typeNodes.contains(lv2World.class_allpass))

  1688.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_ALLPASS;

  1689.             if (typeNodes.contains(lv2World.class_amplifier))

  1690.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_AMPLIFIER;

  1691.             if (typeNodes.contains(lv2World.class_analyzer))

  1692.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_ANALYSER;

  1693.             if (typeNodes.contains(lv2World.class_bandpass))

  1694.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_BANDPASS;

  1695.             if (typeNodes.contains(lv2World.class_chorus))

  1696.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_CHORUS;

  1697.             if (typeNodes.contains(lv2World.class_comb))

  1698.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_COMB;

  1699.             if (typeNodes.contains(lv2World.class_compressor))

  1700.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_COMPRESSOR;

  1701.             if (typeNodes.contains(lv2World.class_constant))

  1702.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_CONSTANT;

  1703.             if (typeNodes.contains(lv2World.class_converter))

  1704.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_CONVERTER;

  1705.             if (typeNodes.contains(lv2World.class_delay))

  1706.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_DELAY;

  1707.             if (typeNodes.contains(lv2World.class_distortion))

  1708.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_DISTORTION;

  1709.             if (typeNodes.contains(lv2World.class_dynamics))

  1710.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_DYNAMICS;

  1711.             if (typeNodes.contains(lv2World.class_eq))

  1712.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_EQ;

  1713.             if (typeNodes.contains(lv2World.class_envelope))

  1714.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_ENVELOPE;

  1715.             if (typeNodes.contains(lv2World.class_expander))

  1716.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_EXPANDER;

  1717.             if (typeNodes.contains(lv2World.class_filter))

  1718.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_FILTER;

  1719.             if (typeNodes.contains(lv2World.class_flanger))

  1720.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_FLANGER;

  1721.             if (typeNodes.contains(lv2World.class_function))

  1722.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_FUNCTION;

  1723.             if (typeNodes.contains(lv2World.class_gate))

  1724.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_GATE;

  1725.             if (typeNodes.contains(lv2World.class_generator))

  1726.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_GENERATOR;

  1727.             if (typeNodes.contains(lv2World.class_highpass))

  1728.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_HIGHPASS;

  1729.             if (typeNodes.contains(lv2World.class_instrument))

  1730.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_INSTRUMENT;

  1731.             if (typeNodes.contains(lv2World.class_limiter))

  1732.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_LIMITER;

  1733.             if (typeNodes.contains(lv2World.class_lowpass))

  1734.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_LOWPASS;

  1735.             if (typeNodes.contains(lv2World.class_mixer))

  1736.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_MIXER;

  1737.             if (typeNodes.contains(lv2World.class_modulator))

  1738.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_MODULATOR;

  1739.             if (typeNodes.contains(lv2World.class_multiEQ))

  1740.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_MULTI_EQ;

  1741.             if (typeNodes.contains(lv2World.class_oscillator))

  1742.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_OSCILLATOR;

  1743.             if (typeNodes.contains(lv2World.class_paraEQ))

  1744.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_PARA_EQ;

  1745.             if (typeNodes.contains(lv2World.class_phaser))

  1746.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_PHASER;

  1747.             if (typeNodes.contains(lv2World.class_pitch))

  1748.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_PITCH;

  1749.             if (typeNodes.contains(lv2World.class_reverb))

  1750.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_REVERB;

  1751.             if (typeNodes.contains(lv2World.class_simulator))

  1752.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_SIMULATOR;

  1753.             if (typeNodes.contains(lv2World.class_spatial))

  1754.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_SPATIAL;

  1755.             if (typeNodes.contains(lv2World.class_spectral))

  1756.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_SPECTRAL;

  1757.             if (typeNodes.contains(lv2World.class_utility))

  1758.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_UTILITY;

  1759.             if (typeNodes.contains(lv2World.class_waveshaper))

  1760.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_WAVESHAPER;

  1761.         }

  1762. 

  1763.         lilv_nodes_free(const_cast<LilvNodes*>(typeNodes.me));

  1764.     }

  1765. 

  1766.     // ----------------------------------------------------------------------------------------------------------------

  1767.     // Set Plugin Information

  1768.     {

  1769.         rdfDescriptor->URI = carla_strdup(uri);

  1770. 

  1771.         if (LilvNode* const nameNode = lilv_plugin_get_name(lilvPlugin.me))

  1772.         {

  1773.             if (const char* const name = lilv_node_as_string(nameNode))

  1774.                 rdfDescriptor->Name = carla_strdup(name);

  1775.             lilv_node_free(nameNode);

  1776.         }

  1777. 

  1778.         if (const char* const author = lilvPlugin.get_author_name().as_string())

  1779.             rdfDescriptor->Author = carla_strdup(author);

  1780. 

  1781.         if (const char* const binary = lilvPlugin.get_library_uri().as_string())

  1782.             rdfDescriptor->Binary = carla_strdup_free(lilv_file_uri_parse(binary, nullptr));

  1783. 

  1784.         if (const char* const bundle = lilvPlugin.get_bundle_uri().as_string())

  1785.             rdfDescriptor->Bundle = carla_strdup_free(lilv_file_uri_parse(bundle, nullptr));

  1786. 

  1787.         Lilv::Nodes licenseNodes(lilvPlugin.get_value(lv2World.doap_license));

  1788. 

  1789.         if (licenseNodes.size() > 0)

  1790.         {

  1791.             if (const char* const license = licenseNodes.get_first().as_string())

  1792.                 rdfDescriptor->License = carla_strdup(license);

  1793.         }

  1794. 

  1795.         lilv_nodes_free(const_cast<LilvNodes*>(licenseNodes.me));

  1796.     }

  1797. 

  1798.     // ----------------------------------------------------------------------------------------------------------------

  1799.     // Set Plugin UniqueID

  1800.     {

  1801.         Lilv::Nodes replaceNodes(lilvPlugin.get_value(lv2World.dct_replaces));

  1802. 

  1803.         if (replaceNodes.size() > 0)

  1804.         {

  1805.             Lilv::Node replaceNode(replaceNodes.get_first());

  1806. 

  1807.             if (replaceNode.is_uri())

  1808.             {

  1809. #ifdef USE_QT

  1810.                 const QString replaceURI(replaceNode.as_uri());

  1811. 

  1812.                 if (replaceURI.startsWith("urn:"))

  1813.                 {

  1814.                     const QString replaceId(replaceURI.split(":").last());

  1815. 

  1816.                     bool ok;

  1817.                     const ulong uniqueId(replaceId.toULong(&ok));

  1818. 

  1819.                     if (ok && uniqueId != 0)

  1820.                         rdfDescriptor->UniqueID = uniqueId;

  1821.                 }

  1822. #else

  1823.                 const water::String replaceURI(replaceNode.as_uri());

  1824. 

  1825.                 if (replaceURI.startsWith("urn:"))

  1826.                 {

  1827.                     const int uniqueId(replaceURI.getTrailingIntValue());

  1828. 

  1829.                     if (uniqueId > 0)

  1830.                         rdfDescriptor->UniqueID = static_cast<ulong>(uniqueId);

  1831.                 }

  1832. #endif

  1833.             }

  1834.         }

  1835. 

  1836.         lilv_nodes_free(const_cast<LilvNodes*>(replaceNodes.me));

  1837.     }

  1838. 

  1839.     // ----------------------------------------------------------------------------------------------------------------

  1840.     // Set Plugin Ports

  1841. 

  1842.     if (const uint numPorts = lilvPlugin.get_num_ports())

  1843.     {

  1844.         rdfDescriptor->PortCount = numPorts;

  1845.         rdfDescriptor->Ports = new LV2_RDF_Port[numPorts];

  1846. 

  1847.         for (uint i = 0; i < numPorts; ++i)

  1848.         {

  1849.             Lilv::Port lilvPort(lilvPlugin.get_port_by_index(i));

  1850.             LV2_RDF_Port* const rdfPort(&rdfDescriptor->Ports[i]);

  1851. 

  1852.             // --------------------------------------------------------------------------------------------------------

  1853.             // Set Port Information

  1854.             {

  1855.                 if (LilvNode* const nameNode = lilv_port_get_name(lilvPlugin.me, lilvPort.me))

  1856.                 {

  1857.                     if (const char* const name = lilv_node_as_string(nameNode))

  1858.                         rdfPort->Name = carla_strdup(name);

  1859.                     lilv_node_free(nameNode);

  1860.                 }

  1861. 

  1862.                 if (const char* const symbol = lilv_node_as_string(lilvPort.get_symbol()))

  1863.                     rdfPort->Symbol = carla_strdup(symbol);

  1864. 

  1865.                 if (LilvNode* const commentNode = lilvPort.get(lv2World.rdfs_comment.me))

  1866.                 {

  1867.                     rdfPort->Comment = carla_strdup(lilv_node_as_string(commentNode));

  1868.                     lilv_node_free(commentNode);

  1869.                 }

  1870. 

  1871.                 if (LilvNode* const groupNode = lilvPort.get(lv2World.pg_group.me))

  1872.                 {

  1873.                     rdfPort->GroupURI = carla_strdup(lilv_node_as_uri(groupNode));

  1874. 

  1875.                     if (portGroupURIs.appendUnique(rdfPort->GroupURI))

  1876.                         portGroupNodes.append(groupNode);

  1877.                     else

  1878.                         lilv_node_free(groupNode);

  1879.                 }

  1880.             }

  1881. 

  1882.             // --------------------------------------------------------------------------------------------------------

  1883.             // Set Port Mode and Type

  1884.             {

  1885.                 // Input or Output

  1886.                 /**/ if (lilvPort.is_a(lv2World.port_input))

  1887.                     rdfPort->Types |= LV2_PORT_INPUT;

  1888.                 else if (lilvPort.is_a(lv2World.port_output))

  1889.                     rdfPort->Types |= LV2_PORT_OUTPUT;

  1890.                 else

  1891.                     carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is not input or output", uri, rdfPort->Name);

  1892. 

  1893.                 // Data Type

  1894.                 /**/ if (lilvPort.is_a(lv2World.port_control))

  1895.                 {

  1896.                     rdfPort->Types |= LV2_PORT_CONTROL;

  1897.                 }

  1898.                 else if (lilvPort.is_a(lv2World.port_audio))

  1899.                 {

  1900.                     rdfPort->Types |= LV2_PORT_AUDIO;

  1901.                 }

  1902.                 else if (lilvPort.is_a(lv2World.port_cv))

  1903.                 {

  1904.                     rdfPort->Types |= LV2_PORT_CV;

  1905.                 }

  1906.                 else if (lilvPort.is_a(lv2World.port_atom))

  1907.                 {

  1908.                     rdfPort->Types |= LV2_PORT_ATOM;

  1909. 

  1910.                     Lilv::Nodes bufferTypeNodes(lilvPort.get_value(lv2World.atom_bufferType));

  1911. 

  1912.                     for (LilvIter* it = lilv_nodes_begin(bufferTypeNodes.me); ! lilv_nodes_is_end(bufferTypeNodes.me, it); it = lilv_nodes_next(bufferTypeNodes.me, it))

  1913.                     {

  1914.                         const Lilv::Node node(lilv_nodes_get(bufferTypeNodes.me, it));

  1915.                         CARLA_SAFE_ASSERT_CONTINUE(node.is_uri());

  1916. 

  1917.                         if (node.equals(lv2World.atom_sequence))

  1918.                             rdfPort->Types |= LV2_PORT_ATOM_SEQUENCE;

  1919.                         else

  1920.                             carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses an unknown atom buffer type '%s'", uri, rdfPort->Name, node.as_uri());

  1921.                     }

  1922. 

  1923.                     Lilv::Nodes supportNodes(lilvPort.get_value(lv2World.atom_supports));

  1924. 

  1925.                     for (LilvIter* it = lilv_nodes_begin(supportNodes.me); ! lilv_nodes_is_end(supportNodes.me, it); it = lilv_nodes_next(supportNodes.me, it))

  1926.                     {

  1927.                         const Lilv::Node node(lilv_nodes_get(supportNodes.me, it));

  1928.                         CARLA_SAFE_ASSERT_CONTINUE(node.is_uri());

  1929. 

  1930.                         /**/ if (node.equals(lv2World.midi_event))

  1931.                             rdfPort->Types |= LV2_PORT_DATA_MIDI_EVENT;

  1932. 

  1933.                         else if (node.equals(lv2World.patch_message))

  1934.                             rdfPort->Types |= LV2_PORT_DATA_PATCH_MESSAGE;

  1935. 

  1936.                         else if (node.equals(lv2World.time_position))

  1937.                             rdfPort->Types |= LV2_PORT_DATA_TIME_POSITION;

  1938. 

  1939. #if 0

  1940.                         // something new we don't support yet?

  1941.                         else if (std::strstr(node.as_uri(), "lv2plug.in/") != nullptr)

  1942.                             carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is of atom type but has unsupported data '%s'", uri, rdfPort->Name, node.as_uri());

  1943. #endif

  1944.                     }

  1945. 

  1946.                     lilv_nodes_free(const_cast<LilvNodes*>(bufferTypeNodes.me));

  1947.                     lilv_nodes_free(const_cast<LilvNodes*>(supportNodes.me));

  1948.                 }

  1949.                 else if (lilvPort.is_a(lv2World.port_event))

  1950.                 {

  1951.                     rdfPort->Types |= LV2_PORT_EVENT;

  1952.                     bool supported  = false;

  1953. 

  1954.                     if (lilvPort.supports_event(lv2World.midi_event))

  1955.                     {

  1956.                         rdfPort->Types |= LV2_PORT_DATA_MIDI_EVENT;

  1957.                         supported = true;

  1958.                     }

  1959.                     if (lilvPort.supports_event(lv2World.patch_message))

  1960.                     {

  1961.                         rdfPort->Types |= LV2_PORT_DATA_PATCH_MESSAGE;

  1962.                         supported = true;

  1963.                     }

  1964.                     if (lilvPort.supports_event(lv2World.time_position))

  1965.                     {

  1966.                         rdfPort->Types |= LV2_PORT_DATA_TIME_POSITION;

  1967.                         supported = true;

  1968.                     }

  1969. 

  1970.                     if (! supported)

  1971.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is of event type but has unsupported data", uri, rdfPort->Name);

  1972.                 }

  1973.                 else if (lilvPort.is_a(lv2World.port_midi))

  1974.                 {

  1975.                     rdfPort->Types |= LV2_PORT_MIDI_LL;

  1976.                     rdfPort->Types |= LV2_PORT_DATA_MIDI_EVENT;

  1977.                 }

  1978.                 else

  1979.                     carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is of unknown data type", uri, rdfPort->Name);

  1980.             }

  1981. 

  1982.             // --------------------------------------------------------------------------------------------------------

  1983.             // Set Port Properties

  1984.             {

  1985.                 if (lilvPort.has_property(lv2World.pprop_optional))

  1986.                     rdfPort->Properties |= LV2_PORT_OPTIONAL;

  1987.                 if (lilvPort.has_property(lv2World.pprop_enumeration))

  1988.                     rdfPort->Properties |= LV2_PORT_ENUMERATION;

  1989.                 if (lilvPort.has_property(lv2World.pprop_integer))

  1990.                     rdfPort->Properties |= LV2_PORT_INTEGER;

  1991.                 if (lilvPort.has_property(lv2World.pprop_sampleRate))

  1992.                     rdfPort->Properties |= LV2_PORT_SAMPLE_RATE;

  1993.                 if (lilvPort.has_property(lv2World.pprop_toggled))

  1994.                     rdfPort->Properties |= LV2_PORT_TOGGLED;

  1995. 

  1996.                 if (lilvPort.has_property(lv2World.pprop_artifacts))

  1997.                     rdfPort->Properties |= LV2_PORT_CAUSES_ARTIFACTS;

  1998.                 if (lilvPort.has_property(lv2World.pprop_continuousCV))

  1999.                     rdfPort->Properties |= LV2_PORT_CONTINUOUS_CV;

  2000.                 if (lilvPort.has_property(lv2World.pprop_discreteCV))

  2001.                     rdfPort->Properties |= LV2_PORT_DISCRETE_CV;

  2002.                 if (lilvPort.has_property(lv2World.pprop_expensive))

  2003.                     rdfPort->Properties |= LV2_PORT_EXPENSIVE;

  2004.                 if (lilvPort.has_property(lv2World.pprop_strictBounds))

  2005.                     rdfPort->Properties |= LV2_PORT_STRICT_BOUNDS;

  2006.                 if (lilvPort.has_property(lv2World.pprop_logarithmic))

  2007.                     rdfPort->Properties |= LV2_PORT_LOGARITHMIC;

  2008.                 if (lilvPort.has_property(lv2World.pprop_notAutomatic))

  2009.                     rdfPort->Properties |= LV2_PORT_NOT_AUTOMATIC;

  2010.                 if (lilvPort.has_property(lv2World.pprop_notOnGUI))

  2011.                     rdfPort->Properties |= LV2_PORT_NOT_ON_GUI;

  2012.                 if (lilvPort.has_property(lv2World.pprop_trigger))

  2013.                     rdfPort->Properties |= LV2_PORT_TRIGGER;

  2014.                 if (lilvPort.has_property(lv2World.pprop_nonAutomable))

  2015.                     rdfPort->Properties |= LV2_PORT_NON_AUTOMABLE;

  2016. 

  2017.                 if (lilvPort.has_property(lv2World.reportsLatency))

  2018.                     rdfPort->Designation = LV2_PORT_DESIGNATION_LATENCY;

  2019. 

  2020.                 // no port properties set, check if using old/invalid ones

  2021.                 if (rdfPort->Properties == 0x0)

  2022.                 {

  2023.                     const Lilv::Node oldPropArtifacts(lv2World.new_uri(NS_devp "causesArtifacts"));

  2024.                     const Lilv::Node oldPropContinuousCV(lv2World.new_uri(NS_devp "continuousCV"));

  2025.                     const Lilv::Node oldPropDiscreteCV(lv2World.new_uri(NS_devp "discreteCV"));

  2026.                     const Lilv::Node oldPropExpensive(lv2World.new_uri(NS_devp "expensive"));

  2027.                     const Lilv::Node oldPropStrictBounds(lv2World.new_uri(NS_devp "hasStrictBounds"));

  2028.                     const Lilv::Node oldPropLogarithmic(lv2World.new_uri(NS_devp "logarithmic"));

  2029.                     const Lilv::Node oldPropNotAutomatic(lv2World.new_uri(NS_devp "notAutomatic"));

  2030.                     const Lilv::Node oldPropNotOnGUI(lv2World.new_uri(NS_devp "notOnGUI"));

  2031.                     const Lilv::Node oldPropTrigger(lv2World.new_uri(NS_devp "trigger"));

  2032. 

  2033.                     if (lilvPort.has_property(oldPropArtifacts))

  2034.                     {

  2035.                         rdfPort->Properties |= LV2_PORT_CAUSES_ARTIFACTS;

  2036.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'causesArtifacts'", uri, rdfPort->Name);

  2037.                     }

  2038.                     if (lilvPort.has_property(oldPropContinuousCV))

  2039.                     {

  2040.                         rdfPort->Properties |= LV2_PORT_CONTINUOUS_CV;

  2041.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'continuousCV'", uri, rdfPort->Name);

  2042.                     }

  2043.                     if (lilvPort.has_property(oldPropDiscreteCV))

  2044.                     {

  2045.                         rdfPort->Properties |= LV2_PORT_DISCRETE_CV;

  2046.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'discreteCV'", uri, rdfPort->Name);

  2047.                     }

  2048.                     if (lilvPort.has_property(oldPropExpensive))

  2049.                     {

  2050.                         rdfPort->Properties |= LV2_PORT_EXPENSIVE;

  2051.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'expensive'", uri, rdfPort->Name);

  2052.                     }

  2053.                     if (lilvPort.has_property(oldPropStrictBounds))

  2054.                     {

  2055.                         rdfPort->Properties |= LV2_PORT_STRICT_BOUNDS;

  2056.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'hasStrictBounds'", uri, rdfPort->Name);

  2057.                     }

  2058.                     if (lilvPort.has_property(oldPropLogarithmic))

  2059.                     {

  2060.                         rdfPort->Properties |= LV2_PORT_LOGARITHMIC;

  2061.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'logarithmic'", uri, rdfPort->Name);

  2062.                     }

  2063.                     if (lilvPort.has_property(oldPropNotAutomatic))

  2064.                     {

  2065.                         rdfPort->Properties |= LV2_PORT_NOT_AUTOMATIC;

  2066.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'notAutomatic'", uri, rdfPort->Name);

  2067.                     }

  2068.                     if (lilvPort.has_property(oldPropNotOnGUI))

  2069.                     {

  2070.                         rdfPort->Properties |= LV2_PORT_NOT_ON_GUI;

  2071.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'notOnGUI'", uri, rdfPort->Name);

  2072.                     }

  2073.                     if (lilvPort.has_property(oldPropTrigger))

  2074.                     {

  2075.                         rdfPort->Properties |= LV2_PORT_TRIGGER;

  2076.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'trigger'", uri, rdfPort->Name);

  2077.                     }

  2078.                 }

  2079.             }

  2080. 

  2081.             // --------------------------------------------------------------------------------------------------------

  2082.             // Set Port Designation

  2083.             {

  2084.                 if (LilvNode* const designationNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.designation.me))

  2085.                 {

  2086.                     if (const char* const designation = lilv_node_as_string(designationNode))

  2087.                     {

  2088.                         /**/ if (std::strcmp(designation, LV2_CORE__control) == 0)

  2089.                             rdfPort->Designation = LV2_PORT_DESIGNATION_CONTROL;

  2090.                         else if (std::strcmp(designation, LV2_CORE__enabled) == 0)

  2091.                             rdfPort->Designation = LV2_PORT_DESIGNATION_ENABLED;

  2092.                         else if (std::strcmp(designation, LV2_CORE__freeWheeling) == 0)

  2093.                             rdfPort->Designation = LV2_PORT_DESIGNATION_FREEWHEELING;

  2094.                         else if (std::strcmp(designation, LV2_CORE__latency) == 0)

  2095.                             rdfPort->Designation = LV2_PORT_DESIGNATION_LATENCY;

  2096.                         else if (std::strcmp(designation, LV2_PARAMETERS__sampleRate) == 0)

  2097.                             rdfPort->Designation = LV2_PORT_DESIGNATION_SAMPLE_RATE;

  2098.                         else if (std::strcmp(designation, LV2_TIME__bar) == 0)

  2099.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BAR;

  2100.                         else if (std::strcmp(designation, LV2_TIME__barBeat) == 0)

  2101.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BAR_BEAT;

  2102.                         else if (std::strcmp(designation, LV2_TIME__beat) == 0)

  2103.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEAT;

  2104.                         else if (std::strcmp(designation, LV2_TIME__beatUnit) == 0)

  2105.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEAT_UNIT;

  2106.                         else if (std::strcmp(designation, LV2_TIME__beatsPerBar) == 0)

  2107.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR;

  2108.                         else if (std::strcmp(designation, LV2_TIME__beatsPerMinute) == 0)

  2109.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE;

  2110.                         else if (std::strcmp(designation, LV2_TIME__frame) == 0)

  2111.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_FRAME;

  2112.                         else if (std::strcmp(designation, LV2_TIME__framesPerSecond) == 0)

  2113.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND;

  2114.                         else if (std::strcmp(designation, LV2_TIME__speed) == 0)

  2115.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_SPEED;

  2116.                         else if (std::strcmp(designation, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat) == 0)

  2117.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_TICKS_PER_BEAT;

  2118.                         else if (std::strncmp(designation, LV2_PARAMETERS_PREFIX, std::strlen(LV2_PARAMETERS_PREFIX)) == 0)

  2119.                             pass();

  2120.                         else if (std::strncmp(designation, LV2_PORT_GROUPS_PREFIX, std::strlen(LV2_PORT_GROUPS_PREFIX)) == 0)

  2121.                             pass();

  2122.                         else

  2123.                             carla_stderr("lv2_rdf_new(\"%s\") - got unknown port designation '%s'", uri, designation);

  2124.                     }

  2125.                     lilv_node_free(designationNode);

  2126.                 }

  2127.             }

  2128. 

  2129.             // --------------------------------------------------------------------------------------------------------

  2130.             // Set Port MIDI Map

  2131.             {

  2132.                 if (LilvNode* const midiMapNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.mm_defaultControl.me))

  2133.                 {

  2134.                     if (lilv_node_is_blank(midiMapNode))

  2135.                     {

  2136.                         Lilv::Nodes midiMapTypeNodes(lv2World.find_nodes(midiMapNode, lv2World.mm_controlType, nullptr));

  2137.                         Lilv::Nodes midiMapNumberNodes(lv2World.find_nodes(midiMapNode, lv2World.mm_controlNumber, nullptr));

  2138. 

  2139.                         if (midiMapTypeNodes.size() == 1 && midiMapNumberNodes.size() == 1)

  2140.                         {

  2141.                             if (const char* const midiMapType = midiMapTypeNodes.get_first().as_string())

  2142.                             {

  2143.                                 /**/ if (std::strcmp(midiMapType, LV2_MIDI_Map__CC) == 0)

  2144.                                     rdfPort->MidiMap.Type = LV2_PORT_MIDI_MAP_CC;

  2145.                                 else if (std::strcmp(midiMapType, LV2_MIDI_Map__NRPN) == 0)

  2146.                                     rdfPort->MidiMap.Type = LV2_PORT_MIDI_MAP_NRPN;

  2147.                                 else

  2148.                                     carla_stderr("lv2_rdf_new(\"%s\") - got unknown port Midi-Map type '%s'", uri, midiMapType);

  2149. 

  2150.                                 rdfPort->MidiMap.Number = static_cast<uint32_t>(midiMapNumberNodes.get_first().as_int());

  2151.                             }

  2152.                         }

  2153. 

  2154.                         lilv_nodes_free(const_cast<LilvNodes*>(midiMapTypeNodes.me));

  2155.                         lilv_nodes_free(const_cast<LilvNodes*>(midiMapNumberNodes.me));

  2156.                     }

  2157. 

  2158.                     lilv_node_free(midiMapNode);

  2159.                 }

  2160. 

  2161.                 // TODO - also check using new official MIDI API too

  2162.             }

  2163. 

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

  2165.             // Set Port Points

  2166.             {

  2167.                 if (LilvNode* const defNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.value_default.me))

  2168.                 {

  2169.                     rdfPort->Points.Hints  |= LV2_PORT_POINT_DEFAULT;

  2170.                     rdfPort->Points.Default = lilv_node_as_float(defNode);

  2171.                     lilv_node_free(defNode);

  2172.                 }

  2173. 

  2174.                 if (LilvNode* const minNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.value_minimum.me))

  2175.                 {

  2176.                     rdfPort->Points.Hints  |= LV2_PORT_POINT_MINIMUM;

  2177.                     rdfPort->Points.Minimum = lilv_node_as_float(minNode);

  2178.                     lilv_node_free(minNode);

  2179.                 }

  2180. 

  2181.                 if (LilvNode* const maxNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.value_maximum.me))

  2182.                 {

  2183.                     rdfPort->Points.Hints  |= LV2_PORT_POINT_MAXIMUM;

  2184.                     rdfPort->Points.Maximum = lilv_node_as_float(maxNode);

  2185.                     lilv_node_free(maxNode);

  2186.                 }

  2187.             }

  2188. 

  2189.             // --------------------------------------------------------------------------------------------------------

  2190.             // Set Port Unit

  2191.             {

  2192.                 if (LilvNode* const unitUnitNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.unit_unit.me))

  2193.                 {

  2194.                     if (lilv_node_is_uri(unitUnitNode))

  2195.                     {

  2196.                         if (const char* const unitUnit = lilv_node_as_uri(unitUnitNode))

  2197.                         {

  2198.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_UNIT;

  2199. 

  2200.                             /**/ if (std::strcmp(unitUnit, LV2_UNITS__bar) == 0)

  2201.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_BAR;

  2202.                             else if (std::strcmp(unitUnit, LV2_UNITS__beat) == 0)

  2203.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_BEAT;

  2204.                             else if (std::strcmp(unitUnit, LV2_UNITS__bpm) == 0)

  2205.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_BPM;

  2206.                             else if (std::strcmp(unitUnit, LV2_UNITS__cent) == 0)

  2207.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_CENT;

  2208.                             else if (std::strcmp(unitUnit, LV2_UNITS__cm) == 0)

  2209.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_CM;

  2210.                             else if (std::strcmp(unitUnit, LV2_UNITS__coef) == 0)

  2211.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_COEF;

  2212.                             else if (std::strcmp(unitUnit, LV2_UNITS__db) == 0)

  2213.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_DB;

  2214.                             else if (std::strcmp(unitUnit, LV2_UNITS__degree) == 0)

  2215.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_DEGREE;

  2216.                             else if (std::strcmp(unitUnit, LV2_UNITS__frame) == 0)

  2217.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_FRAME;

  2218.                             else if (std::strcmp(unitUnit, LV2_UNITS__hz) == 0)

  2219.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_HZ;

  2220.                             else if (std::strcmp(unitUnit, LV2_UNITS__inch) == 0)

  2221.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_INCH;

  2222.                             else if (std::strcmp(unitUnit, LV2_UNITS__khz) == 0)

  2223.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_KHZ;

  2224.                             else if (std::strcmp(unitUnit, LV2_UNITS__km) == 0)

  2225.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_KM;

  2226.                             else if (std::strcmp(unitUnit, LV2_UNITS__m) == 0)

  2227.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_M;

  2228.                             else if (std::strcmp(unitUnit, LV2_UNITS__mhz) == 0)

  2229.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MHZ;

  2230.                             else if (std::strcmp(unitUnit, LV2_UNITS__midiNote) == 0)

  2231.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MIDINOTE;

  2232.                             else if (std::strcmp(unitUnit, LV2_UNITS__mile) == 0)

  2233.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MILE;

  2234.                             else if (std::strcmp(unitUnit, LV2_UNITS__min) == 0)

  2235.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MIN;

  2236.                             else if (std::strcmp(unitUnit, LV2_UNITS__mm) == 0)

  2237.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MM;

  2238.                             else if (std::strcmp(unitUnit, LV2_UNITS__ms) == 0)

  2239.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MS;

  2240.                             else if (std::strcmp(unitUnit, LV2_UNITS__oct) == 0)

  2241.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_OCT;

  2242.                             else if (std::strcmp(unitUnit, LV2_UNITS__pc) == 0)

  2243.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_PC;

  2244.                             else if (std::strcmp(unitUnit, LV2_UNITS__s) == 0)

  2245.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_S;

  2246.                             else if (std::strcmp(unitUnit, LV2_UNITS__semitone12TET) == 0)

  2247.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_SEMITONE;

  2248.                             else

  2249.                                 carla_stderr("lv2_rdf_new(\"%s\") - got unknown unit '%s'", uri, unitUnit);

  2250.                         }

  2251.                     }

  2252. 

  2253.                     if (LilvNode* const unitNameNode = lilv_world_get(lv2World.me, unitUnitNode, lv2World.unit_name.me, nullptr))

  2254.                     {

  2255.                         if (const char* const unitName = lilv_node_as_string(unitNameNode))

  2256.                         {

  2257.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_NAME;

  2258.                             rdfPort->Unit.Name   = carla_strdup(unitName);

  2259.                         }

  2260.                         lilv_node_free(unitNameNode);

  2261.                     }

  2262. 

  2263.                     if (LilvNode* const unitRenderNode = lilv_world_get(lv2World.me, unitUnitNode, lv2World.unit_render.me, nullptr))

  2264.                     {

  2265.                         if (const char* const unitRender = lilv_node_as_string(unitRenderNode))

  2266.                         {

  2267.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_RENDER;

  2268.                             rdfPort->Unit.Render = carla_strdup(unitRender);

  2269.                         }

  2270.                         lilv_node_free(unitRenderNode);

  2271.                     }

  2272. 

  2273.                     if (LilvNode* const unitSymbolNode = lilv_world_get(lv2World.me, unitUnitNode, lv2World.unit_symbol.me, nullptr))

  2274.                     {

  2275.                         if (const char* const unitSymbol = lilv_node_as_string(unitSymbolNode))

  2276.                         {

  2277.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_SYMBOL;

  2278.                             rdfPort->Unit.Symbol = carla_strdup(unitSymbol);

  2279.                         }

  2280.                         lilv_node_free(unitSymbolNode);

  2281.                     }

  2282. 

  2283.                     lilv_node_free(unitUnitNode);

  2284.                 }

  2285.             }

  2286. 

  2287.             // --------------------------------------------------------------------------------------------------------

  2288.             // Set Port Minimum Size

  2289.             {

  2290.                 if (LilvNode* const minimumSizeNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.rz_minSize.me))

  2291.                 {

  2292.                     const int minimumSize(lilv_node_as_int(minimumSizeNode));

  2293. 

  2294.                     if (minimumSize > 0)

  2295.                         rdfPort->MinimumSize = static_cast<uint32_t>(minimumSize);

  2296.                     else

  2297.                         carla_safe_assert_int("minimumSize > 0", __FILE__, __LINE__, minimumSize);

  2298. 

  2299.                     lilv_node_free(minimumSizeNode);

  2300.                 }

  2301.             }

  2302. 

  2303.             // --------------------------------------------------------------------------------------------------------

  2304.             // Set Port Scale Points

  2305.             {

  2306.                 Lilv::ScalePoints lilvScalePoints(lilvPort.get_scale_points());

  2307. 

  2308.                 if (const uint numScalePoints = lilvScalePoints.size())

  2309.                 {

  2310.                     rdfPort->ScalePoints = new LV2_RDF_PortScalePoint[numScalePoints];

  2311. 

  2312.                     // get all scalepoints and sort them by value

  2313.                     LilvScalePointMap sortedpoints;

  2314. 

  2315.                     LILV_FOREACH(scale_points, it, lilvScalePoints)

  2316.                     {

  2317.                         Lilv::ScalePoint lilvScalePoint(lilvScalePoints.get(it));

  2318. 

  2319.                         CARLA_SAFE_ASSERT_CONTINUE(lilvScalePoint.get_label() != nullptr);

  2320. 

  2321.                         if (const LilvNode* const valuenode = lilvScalePoint.get_value())

  2322.                         {

  2323.                             const double valueid = lilv_node_as_float(valuenode);

  2324.                             sortedpoints[valueid] = lilvScalePoint.me;

  2325.                         }

  2326.                     }

  2327. 

  2328.                     // now safe to store, sorted by using std::map

  2329.                     uint numUsed = 0;

  2330.                     for (LilvScalePointMap::iterator it=sortedpoints.begin(), end=sortedpoints.end(); it != end; ++it)

  2331.                     {

  2332.                         CARLA_SAFE_ASSERT_BREAK(numUsed < numScalePoints);

  2333.                         LV2_RDF_PortScalePoint* const rdfScalePoint(&rdfPort->ScalePoints[numUsed++]);

  2334. 

  2335.                         const LilvScalePoint* const scalepoint = it->second;

  2336. 

  2337.                         const LilvNode* const xlabel = lilv_scale_point_get_label(scalepoint);

  2338.                         const LilvNode* const xvalue = lilv_scale_point_get_value(scalepoint);

  2339. 

  2340.                         rdfScalePoint->Label = carla_strdup(lilv_node_as_string(xlabel));

  2341.                         rdfScalePoint->Value = lilv_node_as_float(xvalue);

  2342.                     }

  2343. 

  2344.                     rdfPort->ScalePointCount = numUsed;

  2345.                 }

  2346. 

  2347.                 lilv_nodes_free(const_cast<LilvNodes*>(lilvScalePoints.me));

  2348.             }

  2349.         }

  2350.     }

  2351. 

  2352.     // ----------------------------------------------------------------------------------------------------------------

  2353.     // Set Plugin Parameters

  2354.     {

  2355.         std::map<std::string, LV2_RDF_Parameter> parameters;

  2356.         Lilv::Nodes patchReadableNodes(lilvPlugin.get_value(lv2World.patch_readable));

  2357.         Lilv::Nodes patchWritableNodes(lilvPlugin.get_value(lv2World.patch_writable));

  2358. 

  2359.         if (const uint numParameters = patchWritableNodes.size())

  2360.         {

  2361.             uint numUsed = 0;

  2362.             LILV_FOREACH(nodes, it, patchWritableNodes)

  2363.             {

  2364.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numParameters);

  2365. 

  2366.                 Lilv::Node patchWritableNode(patchWritableNodes.get(it));

  2367. 

  2368.                 if (LilvNode* const typeNode = lilv_world_get(lv2World.me, patchWritableNode,

  2369.                                                               lv2World.rdf_type.me, nullptr))

  2370.                 {

  2371.                     const char* const type = lilv_node_as_uri(typeNode);

  2372. 

  2373.                     if (std::strcmp(type, LV2_CORE__Parameter) != 0)

  2374.                     {

  2375.                         lilv_node_free(typeNode);

  2376.                         continue;

  2377.                     }

  2378. 

  2379.                     lilv_node_free(typeNode);

  2380.                 }

  2381.                 else

  2382.                 {

  2383.                     continue;

  2384.                 }

  2385. 

  2386.                 CARLA_SAFE_ASSERT_CONTINUE(patchWritableNode.is_uri());

  2387. 

  2388.                 ++numUsed;

  2389.                 LV2_RDF_Parameter rdfParam;

  2390.                 rdfParam.URI = carla_strdup(patchWritableNode.as_uri());

  2391.                 rdfParam.Flags = LV2_PARAMETER_FLAG_INPUT;

  2392. 

  2393.                 if (patchReadableNodes.contains(patchWritableNode))

  2394.                     rdfParam.Flags |= LV2_PARAMETER_FLAG_OUTPUT;

  2395. 

  2396.                 // ----------------------------------------------------------------------------------------------------

  2397.                 // Set Basics

  2398. 

  2399.                 if (LilvNode* const rangeNode = lilv_world_get(lv2World.me, patchWritableNode,

  2400.                                                                lv2World.rdfs_range.me, nullptr))

  2401.                 {

  2402.                     const char* const rangeURI = lilv_node_as_string(rangeNode);

  2403. 

  2404.                     /**/ if (std::strcmp(rangeURI, LV2_ATOM__Bool) == 0)

  2405.                         rdfParam.Type = LV2_PARAMETER_TYPE_BOOL;

  2406.                     else if (std::strcmp(rangeURI, LV2_ATOM__Int) == 0)

  2407.                         rdfParam.Type = LV2_PARAMETER_TYPE_INT;

  2408.                     else if (std::strcmp(rangeURI, LV2_ATOM__Long) == 0)

  2409.                         rdfParam.Type = LV2_PARAMETER_TYPE_LONG;

  2410.                     else if (std::strcmp(rangeURI, LV2_ATOM__Float) == 0)

  2411.                         rdfParam.Type = LV2_PARAMETER_TYPE_FLOAT;

  2412.                     else if (std::strcmp(rangeURI, LV2_ATOM__Double) == 0)

  2413.                         rdfParam.Type = LV2_PARAMETER_TYPE_DOUBLE;

  2414.                     else if (std::strcmp(rangeURI, LV2_ATOM__Path) == 0)

  2415.                         rdfParam.Type = LV2_PARAMETER_TYPE_PATH;

  2416.                     else if (std::strcmp(rangeURI, LV2_ATOM__String) == 0)

  2417.                         rdfParam.Type = LV2_PARAMETER_TYPE_STRING;

  2418.                     else

  2419.                         carla_stderr("lv2_rdf_new(\"%s\") - got unknown parameter type '%s'", uri, rangeURI);

  2420. 

  2421.                     lilv_node_free(rangeNode);

  2422.                 }

  2423. 

  2424.                 if (LilvNode* const labelNode = lilv_world_get(lv2World.me, patchWritableNode,

  2425.                                                                lv2World.rdfs_label.me, nullptr))

  2426.                 {

  2427.                     rdfParam.Label = carla_strdup(lilv_node_as_string(labelNode));

  2428.                     lilv_node_free(labelNode);

  2429.                 }

  2430. 

  2431.                 if (LilvNode* const commentNode = lilv_world_get(lv2World.me, patchWritableNode,

  2432.                                                                  lv2World.rdfs_comment.me, nullptr))

  2433.                 {

  2434.                     rdfParam.Comment = carla_strdup_safe(lilv_node_as_string(commentNode));

  2435.                     lilv_node_free(commentNode);

  2436.                 }

  2437. 

  2438.                 if (LilvNode* const groupNode = lilv_world_get(lv2World.me, patchWritableNode,

  2439.                                                                lv2World.pg_group.me, nullptr))

  2440.                 {

  2441.                     rdfParam.GroupURI = carla_strdup_safe(lilv_node_as_uri(groupNode));

  2442. 

  2443.                     if (portGroupURIs.appendUnique(rdfParam.GroupURI))

  2444.                         portGroupNodes.append(groupNode);

  2445.                     else

  2446.                         lilv_node_free(groupNode);

  2447.                 }

  2448. 

  2449.                 // ----------------------------------------------------------------------------------------------------

  2450.                 // Set Port Points

  2451. 

  2452.                 if (LilvNode* const defNode = lilv_world_get(lv2World.me, patchWritableNode,

  2453.                                                              lv2World.value_default.me, nullptr))

  2454.                 {

  2455.                     rdfParam.Points.Hints  |= LV2_PORT_POINT_DEFAULT;

  2456.                     rdfParam.Points.Default = lilv_node_as_float(defNode);

  2457.                     lilv_node_free(defNode);

  2458.                 }

  2459. 

  2460.                 if (LilvNode* const minNode = lilv_world_get(lv2World.me, patchWritableNode,

  2461.                                                              lv2World.value_minimum.me, nullptr))

  2462.                 {

  2463.                     rdfParam.Points.Hints  |= LV2_PORT_POINT_MINIMUM;

  2464.                     rdfParam.Points.Minimum = lilv_node_as_float(minNode);

  2465.                     lilv_node_free(minNode);

  2466.                 }

  2467. 

  2468.                 if (LilvNode* const maxNode = lilv_world_get(lv2World.me, patchWritableNode,

  2469.                                                              lv2World.value_maximum.me, nullptr))

  2470.                 {

  2471.                     rdfParam.Points.Hints  |= LV2_PORT_POINT_MAXIMUM;

  2472.                     rdfParam.Points.Maximum = lilv_node_as_float(maxNode);

  2473.                     lilv_node_free(maxNode);

  2474.                 }

  2475. 

  2476.                 // ----------------------------------------------------------------------------------------------------

  2477.                 // Set Port Unit

  2478. 

  2479.                 if (LilvNode* const unitUnitNode = lilv_world_get(lv2World.me, patchWritableNode,

  2480.                                                                   lv2World.unit_unit.me, nullptr))

  2481.                 {

  2482.                     if (lilv_node_is_uri(unitUnitNode))

  2483.                     {

  2484.                         if (const char* const unitUnit = lilv_node_as_uri(unitUnitNode))

  2485.                         {

  2486.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_UNIT;

  2487. 

  2488.                             /**/ if (std::strcmp(unitUnit, LV2_UNITS__bar) == 0)

  2489.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_BAR;

  2490.                             else if (std::strcmp(unitUnit, LV2_UNITS__beat) == 0)

  2491.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_BEAT;

  2492.                             else if (std::strcmp(unitUnit, LV2_UNITS__bpm) == 0)

  2493.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_BPM;

  2494.                             else if (std::strcmp(unitUnit, LV2_UNITS__cent) == 0)

  2495.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_CENT;

  2496.                             else if (std::strcmp(unitUnit, LV2_UNITS__cm) == 0)

  2497.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_CM;

  2498.                             else if (std::strcmp(unitUnit, LV2_UNITS__coef) == 0)

  2499.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_COEF;

  2500.                             else if (std::strcmp(unitUnit, LV2_UNITS__db) == 0)

  2501.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_DB;

  2502.                             else if (std::strcmp(unitUnit, LV2_UNITS__degree) == 0)

  2503.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_DEGREE;

  2504.                             else if (std::strcmp(unitUnit, LV2_UNITS__frame) == 0)

  2505.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_FRAME;

  2506.                             else if (std::strcmp(unitUnit, LV2_UNITS__hz) == 0)

  2507.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_HZ;

  2508.                             else if (std::strcmp(unitUnit, LV2_UNITS__inch) == 0)

  2509.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_INCH;

  2510.                             else if (std::strcmp(unitUnit, LV2_UNITS__khz) == 0)

  2511.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_KHZ;

  2512.                             else if (std::strcmp(unitUnit, LV2_UNITS__km) == 0)

  2513.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_KM;

  2514.                             else if (std::strcmp(unitUnit, LV2_UNITS__m) == 0)

  2515.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_M;

  2516.                             else if (std::strcmp(unitUnit, LV2_UNITS__mhz) == 0)

  2517.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MHZ;

  2518.                             else if (std::strcmp(unitUnit, LV2_UNITS__midiNote) == 0)

  2519.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MIDINOTE;

  2520.                             else if (std::strcmp(unitUnit, LV2_UNITS__mile) == 0)

  2521.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MILE;

  2522.                             else if (std::strcmp(unitUnit, LV2_UNITS__min) == 0)

  2523.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MIN;

  2524.                             else if (std::strcmp(unitUnit, LV2_UNITS__mm) == 0)

  2525.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MM;

  2526.                             else if (std::strcmp(unitUnit, LV2_UNITS__ms) == 0)

  2527.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MS;

  2528.                             else if (std::strcmp(unitUnit, LV2_UNITS__oct) == 0)

  2529.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_OCT;

  2530.                             else if (std::strcmp(unitUnit, LV2_UNITS__pc) == 0)

  2531.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_PC;

  2532.                             else if (std::strcmp(unitUnit, LV2_UNITS__s) == 0)

  2533.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_S;

  2534.                             else if (std::strcmp(unitUnit, LV2_UNITS__semitone12TET) == 0)

  2535.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_SEMITONE;

  2536.                             else

  2537.                                 carla_stderr("lv2_rdf_new(\"%s\") - got unknown unit '%s'", uri, unitUnit);

  2538.                         }

  2539.                     }

  2540. 

  2541.                     if (LilvNode* const unitNameNode = lilv_world_get(lv2World.me, unitUnitNode,

  2542.                                                                       lv2World.unit_name.me, nullptr))

  2543.                     {

  2544.                         if (const char* const unitName = lilv_node_as_string(unitNameNode))

  2545.                         {

  2546.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_NAME;

  2547.                             rdfParam.Unit.Name   = carla_strdup(unitName);

  2548.                         }

  2549.                         lilv_node_free(unitNameNode);

  2550.                     }

  2551. 

  2552.                     if (LilvNode* const unitRenderNode = lilv_world_get(lv2World.me, unitUnitNode,

  2553.                                                                         lv2World.unit_render.me, nullptr))

  2554.                     {

  2555.                         if (const char* const unitRender = lilv_node_as_string(unitRenderNode))

  2556.                         {

  2557.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_RENDER;

  2558.                             rdfParam.Unit.Render = carla_strdup(unitRender);

  2559.                         }

  2560.                         lilv_node_free(unitRenderNode);

  2561.                     }

  2562. 

  2563.                     if (LilvNode* const unitSymbolNode = lilv_world_get(lv2World.me, unitUnitNode,

  2564.                                                                         lv2World.unit_symbol.me, nullptr))

  2565.                     {

  2566.                         if (const char* const unitSymbol = lilv_node_as_string(unitSymbolNode))

  2567.                         {

  2568.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_SYMBOL;

  2569.                             rdfParam.Unit.Symbol = carla_strdup(unitSymbol);

  2570.                         }

  2571.                         lilv_node_free(unitSymbolNode);

  2572.                     }

  2573. 

  2574.                     lilv_node_free(unitUnitNode);

  2575.                 }

  2576. 

  2577.                 parameters[rdfParam.URI].copyAndReplace(rdfParam);

  2578.             }

  2579. 

  2580.             CARLA_SAFE_ASSERT_UINT2(parameters.size() == numUsed, parameters.size(), numUsed);

  2581.             rdfDescriptor->Parameters = new LV2_RDF_Parameter[numUsed];

  2582.             rdfDescriptor->ParameterCount = numUsed;

  2583. 

  2584.             numUsed = 0;

  2585.             for (std::map<std::string, LV2_RDF_Parameter>::iterator it = parameters.begin(), end = parameters.end();

  2586.                  it != end; ++it)

  2587.             {

  2588.                 rdfDescriptor->Parameters[numUsed++].copyAndReplace(it->second);

  2589.             }

  2590.         }

  2591. 

  2592.         lilv_nodes_free(const_cast<LilvNodes*>(patchReadableNodes.me));

  2593.         lilv_nodes_free(const_cast<LilvNodes*>(patchWritableNodes.me));

  2594.     }

  2595. 

  2596.     // ----------------------------------------------------------------------------------------------------------------

  2597.     // Set Plugin Port Groups

  2598. 

  2599.     if (const size_t portGroupCount = portGroupURIs.count())

  2600.     {

  2601.         rdfDescriptor->PortGroups = new LV2_RDF_PortGroup[portGroupCount];

  2602. 

  2603.         uint32_t count = 0;

  2604.         CarlaStringList::Itenerator itu = portGroupURIs.begin2();

  2605.         LinkedList<LilvNode*>::Itenerator itn = portGroupNodes.begin2();

  2606.         for (; itu.valid() && itn.valid(); itu.next(), itn.next())

  2607.         {

  2608.             const char* const portGroupURI = itu.getValue(nullptr);

  2609.             CARLA_SAFE_ASSERT_CONTINUE(portGroupURI != nullptr);

  2610. 

  2611.             LilvNode* const portGroupNode = itn.getValue(nullptr);

  2612.             CARLA_SAFE_ASSERT_CONTINUE(portGroupNode != nullptr);

  2613. 

  2614.             LV2_RDF_PortGroup& portGroup(rdfDescriptor->PortGroups[count]);

  2615.             portGroup.URI = portGroupURI;

  2616. 

  2617.             if (LilvNode* const portGroupNameNode = lilv_world_get(lv2World.me, portGroupNode,

  2618.                                                                    lv2World.lv2_name.me, nullptr))

  2619.             {

  2620.                 portGroup.Name = carla_strdup_safe(lilv_node_as_string(portGroupNameNode));

  2621.                 lilv_node_free(portGroupNameNode);

  2622.             }

  2623.             // some plugins use rdfs:label, spec was not clear which one to use

  2624.             else if (LilvNode* const portGroupLabelNode = lilv_world_get(lv2World.me, portGroupNode,

  2625.                                                                         lv2World.rdfs_label.me, nullptr))

  2626.             {

  2627.                 portGroup.Name = carla_strdup_safe(lilv_node_as_string(portGroupLabelNode));

  2628.                 lilv_node_free(portGroupLabelNode);

  2629.             }

  2630. 

  2631.             if (LilvNode* const portGroupSymbolNode = lilv_world_get(lv2World.me, portGroupNode,

  2632.                                                                      lv2World.lv2_symbol.me, nullptr))

  2633.             {

  2634.                 portGroup.Symbol = carla_strdup_safe(lilv_node_as_string(portGroupSymbolNode));

  2635.                 lilv_node_free(portGroupSymbolNode);

  2636.             }

  2637. 

  2638.             ++count;

  2639.             lilv_node_free(portGroupNode);

  2640.         }

  2641. 

  2642.         rdfDescriptor->PortGroupCount = count;

  2643.         portGroupNodes.clear();

  2644.     }

  2645. 

  2646.     // ----------------------------------------------------------------------------------------------------------------

  2647.     // Set Plugin Presets

  2648. 

  2649.     if (loadPresets)

  2650.     {

  2651.         Lilv::Nodes presetNodes(lilvPlugin.get_related(lv2World.preset_preset));

  2652. 

  2653.         if (presetNodes.size() > 0)

  2654.         {

  2655.             // create a list of preset URIs (for sorting and unique-ness)

  2656. #ifdef USE_QT

  2657.             QStringList presetListURIs;

  2658. 

  2659.             LILV_FOREACH(nodes, it, presetNodes)

  2660.             {

  2661.                 Lilv::Node presetNode(presetNodes.get(it));

  2662. 

  2663.                 QString presetURI(presetNode.as_uri());

  2664. 

  2665.                 if (! (presetURI.trimmed().isEmpty() || presetListURIs.contains(presetURI)))

  2666.                     presetListURIs.append(presetURI);

  2667.             }

  2668. 

  2669.             presetListURIs.sort();

  2670. 

  2671.             rdfDescriptor->PresetCount = static_cast<uint32_t>(presetListURIs.count());

  2672. #else

  2673.             water::StringArray presetListURIs;

  2674. 

  2675.             LILV_FOREACH(nodes, it, presetNodes)

  2676.             {

  2677.                 Lilv::Node presetNode(presetNodes.get(it));

  2678. 

  2679.                 water::String presetURI(presetNode.as_uri());

  2680. 

  2681.                 if (presetURI.trim().isNotEmpty())

  2682.                     presetListURIs.addIfNotAlreadyThere(presetURI);

  2683.             }

  2684. 

  2685.             presetListURIs.sortNatural();

  2686. 

  2687.             rdfDescriptor->PresetCount = static_cast<uint32_t>(presetListURIs.size());

  2688. #endif

  2689. 

  2690.             // create presets with unique URIs

  2691.             rdfDescriptor->Presets = new LV2_RDF_Preset[rdfDescriptor->PresetCount];

  2692. 

  2693.             // set preset data

  2694.             LILV_FOREACH(nodes, it, presetNodes)

  2695.             {

  2696.                 Lilv::Node presetNode(presetNodes.get(it));

  2697. 

  2698.                 const char* const presetURI(presetNode.as_uri());

  2699.                 CARLA_SAFE_ASSERT_CONTINUE(presetURI != nullptr && presetURI[0] != '\0');

  2700. 

  2701.                 // try to find label without loading the preset resource first

  2702.                 Lilv::Nodes presetLabelNodes(lv2World.find_nodes(presetNode, lv2World.rdfs_label, nullptr));

  2703. 

  2704.                 // failed, try loading resource

  2705.                 if (presetLabelNodes.size() == 0)

  2706.                 {

  2707.                     // if loading resource fails, skip this preset

  2708.                     if (lv2World.load_resource(presetNode) == -1)

  2709.                         continue;

  2710. 

  2711.                     // ok, let's try again

  2712.                     presetLabelNodes = lv2World.find_nodes(presetNode, lv2World.rdfs_label, nullptr);

  2713.                 }

  2714. 

  2715.                 if (presetLabelNodes.size() > 0)

  2716.                 {

  2717. #ifdef USE_QT

  2718.                     const int index(presetListURIs.indexOf(QString(presetURI)));

  2719. #else

  2720.                     const int index(presetListURIs.indexOf(water::String(presetURI)));

  2721. #endif

  2722.                     CARLA_SAFE_ASSERT_CONTINUE(index >= 0 && index < static_cast<int>(rdfDescriptor->PresetCount));

  2723. 

  2724.                     LV2_RDF_Preset* const rdfPreset(&rdfDescriptor->Presets[index]);

  2725. 

  2726.                     // ---------------------------------------------------

  2727.                     // Set Preset Information

  2728. 

  2729.                     rdfPreset->URI = carla_strdup(presetURI);

  2730. 

  2731.                     if (const char* const label = presetLabelNodes.get_first().as_string())

  2732.                         rdfPreset->Label = carla_strdup(label);

  2733. 

  2734.                     lilv_nodes_free(const_cast<LilvNodes*>(presetLabelNodes.me));

  2735.                 }

  2736.             }

  2737.         }

  2738. 

  2739.         lilv_nodes_free(const_cast<LilvNodes*>(presetNodes.me));

  2740.     }

  2741. 

  2742.     // ----------------------------------------------------------------------------------------------------------------

  2743.     // Set Plugin Features

  2744.     {

  2745.         Lilv::Nodes lilvFeatureNodes(lilvPlugin.get_supported_features());

  2746. 

  2747.         if (const uint numFeatures = lilvFeatureNodes.size())

  2748.         {

  2749.             Lilv::Nodes lilvFeatureNodesR(lilvPlugin.get_required_features());

  2750. 

  2751.             rdfDescriptor->Features = new LV2_RDF_Feature[numFeatures];

  2752. 

  2753.             uint numUsed = 0;

  2754.             LILV_FOREACH(nodes, it, lilvFeatureNodes)

  2755.             {

  2756.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numFeatures);

  2757. 

  2758.                 Lilv::Node lilvFeatureNode(lilvFeatureNodes.get(it));

  2759.                 LV2_RDF_Feature* const rdfFeature(&rdfDescriptor->Features[numUsed++]);

  2760. 

  2761.                 rdfFeature->Required = lilvFeatureNodesR.contains(lilvFeatureNode);

  2762. 

  2763.                 if (const char* const featureURI = lilvFeatureNode.as_uri())

  2764.                     rdfFeature->URI = carla_strdup(featureURI);

  2765.                 else

  2766.                     rdfFeature->URI = nullptr;

  2767.             }

  2768. 

  2769.             rdfDescriptor->FeatureCount = numUsed;

  2770.             lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodesR.me));

  2771.         }

  2772. 

  2773.         lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodes.me));

  2774.     }

  2775. 

  2776.     // ----------------------------------------------------------------------------------------------------------------

  2777.     // Set Plugin Extensions

  2778.     {

  2779.         Lilv::Nodes lilvExtensionDataNodes(lilvPlugin.get_extension_data());

  2780. 

  2781.         if (const uint numExtensions = lilvExtensionDataNodes.size())

  2782.         {

  2783.             rdfDescriptor->Extensions = new LV2_URI[numExtensions];

  2784. 

  2785.             uint numUsed = 0;

  2786.             LILV_FOREACH(nodes, it, lilvExtensionDataNodes)

  2787.             {

  2788.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numExtensions);

  2789. 

  2790.                 Lilv::Node lilvExtensionDataNode(lilvExtensionDataNodes.get(it));

  2791.                 LV2_URI* const rdfExtension(&rdfDescriptor->Extensions[numUsed++]);

  2792. 

  2793.                 if (lilvExtensionDataNode.is_uri())

  2794.                 {

  2795.                     if (const char* const extURI = lilvExtensionDataNode.as_uri())

  2796.                     {

  2797.                         *rdfExtension = carla_strdup(extURI);

  2798.                         continue;

  2799.                     }

  2800.                 }

  2801.                 *rdfExtension = nullptr;

  2802.             }

  2803. 

  2804.             for (uint32_t x=numUsed; x < rdfDescriptor->ExtensionCount; ++x)

  2805.                 rdfDescriptor->Extensions[x] = nullptr;

  2806. 

  2807.             rdfDescriptor->ExtensionCount = numUsed;

  2808.         }

  2809. 

  2810.         lilv_nodes_free(const_cast<LilvNodes*>(lilvExtensionDataNodes.me));

  2811.     }

  2812. 

  2813.     // ----------------------------------------------------------------------------------------------------------------

  2814.     // Set Plugin UIs

  2815.     {

  2816. #ifdef CARLA_OS_LINUX

  2817.         const bool hasMODGui = lilvPlugin.get_modgui_resources_directory().as_uri() != nullptr;

  2818. #else

  2819.         const bool hasMODGui = false;

  2820. #endif

  2821. 

  2822.         Lilv::UIs lilvUIs(lilvPlugin.get_uis());

  2823. 

  2824.         const uint numUIs = lilvUIs.size() + (hasMODGui ? 1 : 0);

  2825. 

  2826.         if (numUIs > 0)

  2827.         {

  2828.             rdfDescriptor->UIs = new LV2_RDF_UI[numUIs];

  2829. 

  2830.             uint numUsed = 0;

  2831.             LILV_FOREACH(uis, it, lilvUIs)

  2832.             {

  2833.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numUIs);

  2834. 

  2835.                 Lilv::UI lilvUI(lilvUIs.get(it));

  2836.                 LV2_RDF_UI* const rdfUI(&rdfDescriptor->UIs[numUsed++]);

  2837. 

  2838.                 lv2World.load_resource(lilvUI.get_uri());

  2839. 

  2840.                 // ----------------------------------------------------------------------------------------------------

  2841.                 // Set UI Type

  2842. 

  2843.                 /**/ if (lilvUI.is_a(lv2World.ui_gtk2))

  2844.                     rdfUI->Type = LV2_UI_GTK2;

  2845.                 else if (lilvUI.is_a(lv2World.ui_gtk3))

  2846.                     rdfUI->Type = LV2_UI_GTK3;

  2847.                 else if (lilvUI.is_a(lv2World.ui_qt4))

  2848.                     rdfUI->Type = LV2_UI_QT4;

  2849.                 else if (lilvUI.is_a(lv2World.ui_qt5))

  2850.                     rdfUI->Type = LV2_UI_QT5;

  2851.                 else if (lilvUI.is_a(lv2World.ui_cocoa))

  2852.                     rdfUI->Type = LV2_UI_COCOA;

  2853.                 else if (lilvUI.is_a(lv2World.ui_windows))

  2854.                     rdfUI->Type = LV2_UI_WINDOWS;

  2855.                 else if (lilvUI.is_a(lv2World.ui_x11))

  2856.                     rdfUI->Type = LV2_UI_X11;

  2857.                 else if (lilvUI.is_a(lv2World.ui_external))

  2858.                     rdfUI->Type = LV2_UI_EXTERNAL;

  2859.                 else if (lilvUI.is_a(lv2World.ui_externalOld))

  2860.                     rdfUI->Type = LV2_UI_OLD_EXTERNAL;

  2861.                 else if (lilvUI.is_a(lv2World.ui))

  2862.                     rdfUI->Type = LV2_UI_NONE;

  2863.                 else

  2864.                     carla_stderr("lv2_rdf_new(\"%s\") - UI '%s' is of unknown type", uri, lilvUI.get_uri().as_uri());

  2865. 

  2866.                 // ----------------------------------------------------------------------------------------------------

  2867.                 // Set UI Information

  2868.                 {

  2869.                     if (const char* const uiURI = lilvUI.get_uri().as_uri())

  2870.                         rdfUI->URI = carla_strdup(uiURI);

  2871. 

  2872.                     if (const char* const uiBinary = lilvUI.get_binary_uri().as_string())

  2873.                         rdfUI->Binary = carla_strdup_free(lilv_file_uri_parse(uiBinary, nullptr));

  2874. 

  2875.                     if (const char* const uiBundle = lilvUI.get_bundle_uri().as_string())

  2876.                         rdfUI->Bundle = carla_strdup_free(lilv_file_uri_parse(uiBundle, nullptr));

  2877.                 }

  2878. 

  2879.                 // ----------------------------------------------------------------------------------------------------

  2880.                 // Set UI Features

  2881.                 {

  2882.                     Lilv::Nodes lilvFeatureNodes(lilvUI.get_supported_features());

  2883. 

  2884.                     if (const uint numFeatures = lilvFeatureNodes.size())

  2885.                     {

  2886.                         Lilv::Nodes lilvFeatureNodesR(lilvUI.get_required_features());

  2887. 

  2888.                         rdfUI->Features = new LV2_RDF_Feature[numFeatures];

  2889. 

  2890.                         uint numUsed2 = 0;

  2891.                         LILV_FOREACH(nodes, it2, lilvFeatureNodes)

  2892.                         {

  2893.                             CARLA_SAFE_ASSERT_UINT2_BREAK(numUsed2 < numFeatures, numUsed2, numFeatures);

  2894. 

  2895.                             Lilv::Node lilvFeatureNode(lilvFeatureNodes.get(it2));

  2896.                             LV2_RDF_Feature* const rdfFeature(&rdfUI->Features[numUsed2++]);

  2897. 

  2898.                             rdfFeature->Required = lilvFeatureNodesR.contains(lilvFeatureNode);

  2899. 

  2900.                             if (const char* const featureURI = lilvFeatureNode.as_uri())

  2901.                                 rdfFeature->URI = carla_strdup(featureURI);

  2902.                             else

  2903.                                 rdfFeature->URI = nullptr;

  2904.                         }

  2905. 

  2906.                         rdfUI->FeatureCount = numUsed2;

  2907.                         lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodesR.me));

  2908.                     }

  2909. 

  2910.                     lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodes.me));

  2911.                 }

  2912. 

  2913.                 // ----------------------------------------------------------------------------------------------------

  2914.                 // Set UI Extensions

  2915.                 {

  2916.                     Lilv::Nodes lilvExtensionDataNodes(lilvUI.get_extension_data());

  2917. 

  2918.                     if (const uint numExtensions = lilvExtensionDataNodes.size())

  2919.                     {

  2920.                         rdfUI->Extensions = new LV2_URI[numExtensions];

  2921. 

  2922.                         uint numUsed2 = 0;

  2923.                         LILV_FOREACH(nodes, it2, lilvExtensionDataNodes)

  2924.                         {

  2925.                             CARLA_SAFE_ASSERT_UINT2_BREAK(numUsed2 < numExtensions, numUsed2, numExtensions);

  2926. 

  2927.                             Lilv::Node lilvExtensionDataNode(lilvExtensionDataNodes.get(it2));

  2928.                             LV2_URI* const rdfExtension(&rdfUI->Extensions[numUsed2++]);

  2929. 

  2930.                             if (lilvExtensionDataNode.is_uri())

  2931.                             {

  2932.                                 if (const char* const extURI = lilvExtensionDataNode.as_uri())

  2933.                                 {

  2934.                                     *rdfExtension = carla_strdup(extURI);

  2935.                                     continue;

  2936.                                 }

  2937.                             }

  2938.                             *rdfExtension = nullptr;

  2939.                         }

  2940. 

  2941.                         for (uint x2=numUsed2; x2 < rdfUI->ExtensionCount; ++x2)

  2942.                             rdfUI->Extensions[x2] = nullptr;

  2943. 

  2944.                         rdfUI->ExtensionCount = numUsed2;

  2945.                     }

  2946. 

  2947.                     lilv_nodes_free(const_cast<LilvNodes*>(lilvExtensionDataNodes.me));

  2948.                 }

  2949. 

  2950.                 // ----------------------------------------------------------------------------------------------------

  2951.                 // Set UI Port Notifications

  2952.                 {

  2953.                     Lilv::Nodes portNotifNodes(lv2World.find_nodes(lilvUI.get_uri(), lv2World.ui_portNotif.me, nullptr));

  2954. 

  2955.                     if (const uint portNotifCount = portNotifNodes.size())

  2956.                     {

  2957.                         rdfUI->PortNotificationCount = portNotifCount;

  2958.                         rdfUI->PortNotifications = new LV2_RDF_UI_PortNotification[portNotifCount];

  2959. 

  2960.                         uint numUsed2 = 0;

  2961.                         LILV_FOREACH(nodes, it2, portNotifNodes)

  2962.                         {

  2963.                             CARLA_SAFE_ASSERT_UINT2_BREAK(numUsed2 < portNotifCount, numUsed2, portNotifCount);

  2964. 

  2965.                             Lilv::Node portNotifNode(portNotifNodes.get(it2));

  2966.                             LV2_RDF_UI_PortNotification* const rdfPortNotif(&rdfUI->PortNotifications[numUsed2++]);

  2967. 

  2968.                             LilvNode* const protocolNode = lilv_world_get(lv2World.me, portNotifNode,

  2969.                                                                           lv2World.ui_protocol.me, nullptr);

  2970. 

  2971.                             if (protocolNode != nullptr)

  2972.                             {

  2973.                                 CARLA_SAFE_ASSERT_CONTINUE(lilv_node_is_uri(protocolNode));

  2974. 

  2975.                                 const char* const protocol = lilv_node_as_uri(protocolNode);

  2976.                                 CARLA_SAFE_ASSERT_CONTINUE(protocol != nullptr && protocol[0] != '\0');

  2977. 

  2978.                                 /**/ if (std::strcmp(protocol, LV2_UI__floatProtocol) == 0)

  2979.                                     rdfPortNotif->Protocol = LV2_UI_PORT_PROTOCOL_FLOAT;

  2980.                                 else if (std::strcmp(protocol, LV2_UI__peakProtocol) == 0)

  2981.                                     rdfPortNotif->Protocol = LV2_UI_PORT_PROTOCOL_PEAK;

  2982.                             }

  2983.                             else

  2984.                             {

  2985.                                 rdfPortNotif->Protocol = LV2_UI_PORT_PROTOCOL_FLOAT;

  2986.                             }

  2987. 

  2988.                             /**/ if (LilvNode* const symbolNode = lilv_world_get(lv2World.me, portNotifNode,

  2989.                                                                                  lv2World.symbol.me, nullptr))

  2990.                             {

  2991.                                 CARLA_SAFE_ASSERT_CONTINUE(lilv_node_is_string(symbolNode));

  2992. 

  2993.                                 const char* const symbol = lilv_node_as_string(symbolNode);

  2994.                                 CARLA_SAFE_ASSERT_CONTINUE(symbol != nullptr && symbol[0] != '\0');

  2995. 

  2996.                                 rdfPortNotif->Symbol = carla_strdup(symbol);

  2997. 

  2998.                                 lilv_node_free(symbolNode);

  2999.                             }

  3000.                             else if (LilvNode* const indexNode = lilv_world_get(lv2World.me, portNotifNode,

  3001.                                                                                 lv2World.ui_portIndex.me, nullptr))

  3002.                             {

  3003.                                 CARLA_SAFE_ASSERT_CONTINUE(lilv_node_is_int(indexNode));

  3004. 

  3005.                                 const int index = lilv_node_as_int(indexNode);

  3006.                                 CARLA_SAFE_ASSERT_CONTINUE(index >= 0);

  3007. 

  3008.                                 rdfPortNotif->Index = static_cast<uint32_t>(index);

  3009. 

  3010.                                 lilv_node_free(indexNode);

  3011.                             }

  3012. 

  3013.                             lilv_node_free(protocolNode);

  3014.                         }

  3015.                     }

  3016. 

  3017.                     lilv_nodes_free(const_cast<LilvNodes*>(portNotifNodes.me));

  3018.                 }

  3019.             }

  3020. 

  3021.             for (; hasMODGui;)

  3022.             {

  3023.                 CARLA_SAFE_ASSERT_BREAK(numUsed == numUIs-1);

  3024. 

  3025.                 LV2_RDF_UI* const rdfUI(&rdfDescriptor->UIs[numUsed++]);

  3026. 

  3027.                 // -------------------------------------------------------

  3028.                 // Set UI Type

  3029. 

  3030.                 rdfUI->Type = LV2_UI_MOD;

  3031. 

  3032.                 // -------------------------------------------------------

  3033.                 // Set UI Information

  3034. 

  3035.                 if (const char* const resDir = lilvPlugin.get_modgui_resources_directory().as_uri())

  3036.                     rdfUI->URI = carla_strdup_free(lilv_file_uri_parse(resDir, nullptr));

  3037. 

  3038.                 if (rdfDescriptor->Bundle != nullptr)

  3039.                     rdfUI->Bundle = carla_strdup(rdfDescriptor->Bundle);

  3040. 

  3041.                 break;

  3042.             }

  3043. 

  3044.             rdfDescriptor->UICount = numUsed;

  3045.         }

  3046. 

  3047.         lilv_nodes_free(const_cast<LilvNodes*>(lilvUIs.me));

  3048.     }

  3049. 

  3050.     return rdfDescriptor;

  3051. }

  3052. 

  3053. // --------------------------------------------------------------------------------------------------------------------

  3054. // Check if we support a plugin port

  3055. 

  3056. static inline

  3057. bool is_lv2_port_supported(const LV2_Property types) noexcept

  3058. {

  3059.     if (LV2_IS_PORT_CONTROL(types))

  3060.         return true;

  3061.     if (LV2_IS_PORT_AUDIO(types))

  3062.         return true;

  3063.     if (LV2_IS_PORT_CV(types))

  3064.         return true;

  3065.     if (LV2_IS_PORT_ATOM_SEQUENCE(types))

  3066.         return true;

  3067.     if (LV2_IS_PORT_EVENT(types))

  3068.         return true;

  3069.     if (LV2_IS_PORT_MIDI_LL(types))

  3070.         return true;

  3071.     return false;

  3072. }

  3073. 

  3074. // --------------------------------------------------------------------------------------------------------------------

  3075. // Check if we support a plugin feature

  3076. 

  3077. static inline

  3078. bool is_lv2_feature_supported(const LV2_URI uri) noexcept

  3079. {

  3080.     CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', false);

  3081. 

  3082.     if (std::strcmp(uri, LV2_BUF_SIZE__boundedBlockLength) == 0)

  3083.         return true;

  3084.     if (std::strcmp(uri, LV2_BUF_SIZE__fixedBlockLength) == 0)

  3085.         return true;

  3086.     if (std::strcmp(uri, LV2_BUF_SIZE__powerOf2BlockLength) == 0)

  3087.         return true;

  3088.     if (std::strcmp(uri, LV2_CORE__hardRTCapable) == 0)

  3089.         return true;

  3090.     if (std::strcmp(uri, LV2_CORE__inPlaceBroken) == 0)

  3091.         return true;

  3092.     if (std::strcmp(uri, LV2_CORE__isLive) == 0)

  3093.         return true;

  3094.     if (std::strcmp(uri, LV2_EVENT_URI) == 0)

  3095.         return true;

  3096.     if (std::strcmp(uri, LV2_INLINEDISPLAY__queue_draw) == 0)

  3097.         return true;

  3098.     if (std::strcmp(uri, LV2_LOG__log) == 0)

  3099.         return true;

  3100.     if (std::strcmp(uri, LV2_OPTIONS__options) == 0)

  3101.         return true;

  3102.     if (std::strcmp(uri, LV2_PROGRAMS__Host) == 0)

  3103.         return true;

  3104.     if (std::strcmp(uri, LV2_RESIZE_PORT__resize) == 0)

  3105.         return true;

  3106.     if (std::strcmp(uri, LV2_RTSAFE_MEMORY_POOL__Pool) == 0)

  3107.         return true;

  3108.     if (std::strcmp(uri, LV2_RTSAFE_MEMORY_POOL_DEPRECATED_URI) == 0)

  3109.         return true;

  3110.     if (std::strcmp(uri, LV2_STATE__freePath) == 0)

  3111.         return true;

  3112.     if (std::strcmp(uri, LV2_STATE__loadDefaultState) == 0)

  3113.         return true;

  3114.     if (std::strcmp(uri, LV2_STATE__makePath) == 0)

  3115.         return true;

  3116.     if (std::strcmp(uri, LV2_STATE__mapPath) == 0)

  3117.         return true;

  3118.     if (std::strcmp(uri, LV2_STATE__threadSafeRestore) == 0)

  3119.         return true;

  3120.     if (std::strcmp(uri, LV2_PORT_PROPS__supportsStrictBounds) == 0)

  3121.         return true;

  3122.     if (std::strcmp(uri, LV2_URI_MAP_URI) == 0)

  3123.         return true;

  3124.     if (std::strcmp(uri, LV2_URID__map) == 0)

  3125.         return true;

  3126.     if (std::strcmp(uri, LV2_URID__unmap) == 0)

  3127.         return true;

  3128.     if (std::strcmp(uri, LV2_WORKER__schedule) == 0)

  3129.         return true;

  3130.     return false;

  3131. }

  3132. 

  3133. // --------------------------------------------------------------------------------------------------------------------

  3134. // Check if we support a plugin or UI feature

  3135. 

  3136. static inline

  3137. bool is_lv2_ui_feature_supported(const LV2_URI uri) noexcept

  3138. {

  3139.     CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', false);

  3140. 

  3141.     if (is_lv2_feature_supported(uri))

  3142.         return true;

  3143. #ifndef BUILD_BRIDGE_UI

  3144.     if (std::strcmp(uri, LV2_DATA_ACCESS_URI) == 0)

  3145.         return true;

  3146.     if (std::strcmp(uri, LV2_INSTANCE_ACCESS_URI) == 0)

  3147.         return true;

  3148. #endif

  3149.     if (std::strcmp(uri, LV2_UI__fixedSize) == 0)

  3150.         return true;

  3151.     if (std::strcmp(uri, LV2_UI__idleInterface) == 0)

  3152.         return true;

  3153.     if (std::strcmp(uri, LV2_UI__makeResident) == 0)

  3154.         return true;

  3155.     if (std::strcmp(uri, LV2_UI__makeSONameResident) == 0)

  3156.         return true;

  3157.     if (std::strcmp(uri, LV2_UI__noUserResize) == 0)

  3158.         return true;

  3159.     if (std::strcmp(uri, LV2_UI__parent) == 0)

  3160.         return true;

  3161.     if (std::strcmp(uri, LV2_UI__portMap) == 0)

  3162.         return true;

  3163.     if (std::strcmp(uri, LV2_UI__portSubscribe) == 0)

  3164.         return true;

  3165.     if (std::strcmp(uri, LV2_UI__requestValue) == 0)

  3166.         return true;

  3167.     if (std::strcmp(uri, LV2_UI__resize) == 0)

  3168.         return true;

  3169.     if (std::strcmp(uri, LV2_UI__touch) == 0)

  3170.         return true;

  3171.     if (std::strcmp(uri, LV2_EXTERNAL_UI__Widget) == 0)

  3172.         return true;

  3173.     if (std::strcmp(uri, LV2_EXTERNAL_UI_DEPRECATED_URI) == 0)

  3174.         return true;

  3175.     return false;

  3176. }

  3177. 

  3178. // --------------------------------------------------------------------------------------------------------------------

  3179. 

  3180. #endif // CARLA_LV2_UTILS_HPP_INCLUDED