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Carla/source/utils/CarlaLv2Utils.hpp

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  1. /*

  2.  * Carla LV2 utils

  3.  * Copyright (C) 2011-2022 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. #include "CarlaMIDI.h"

  24. 

  25. #ifndef nullptr

  26. # undef NULL

  27. # define NULL nullptr

  28. #endif

  29. 

  30. // disable -Wdocumentation for LV2 headers

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

  32. # pragma clang diagnostic push

  33. # pragma clang diagnostic ignored "-Wdocumentation"

  34. #endif

  35. 

  36. #include "lv2/lv2.h"

  37. #include "lv2/atom.h"

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

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

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

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

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

  43. // dynmanifest

  44. #include "lv2/event.h"

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

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

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

  48. #include "lv2/log.h"

  49. // logger

  50. #include "lv2/midi.h"

  51. #include "lv2/midnam.h"

  52. // morph

  53. #include "lv2/options.h"

  54. #include "lv2/parameters.h"

  55. #include "lv2/patch.h"

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

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

  58. #include "lv2/presets.h"

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

  60. #include "lv2/state.h"

  61. #include "lv2/time.h"

  62. #include "lv2/ui.h"

  63. #include "lv2/units.h"

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

  65. #include "lv2/urid.h"

  66. #include "lv2/worker.h"

  67. 

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

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

  70. #include "lv2/lv2_external_ui.h"

  71. #include "lv2/lv2_kxstudio_properties.h"

  72. #include "lv2/lv2_programs.h"

  73. #include "lv2/lv2_rtmempool.h"

  74. 

  75. #include "lilv/lilvmm.hpp"

  76. #include "sratom/sratom.h"

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

  78. 

  79. // enable -Wdocumentation again

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

  81. # pragma clang diagnostic pop

  82. #endif

  83. 

  84. #include "lv2_rdf.hpp"

  85. 

  86. #ifdef CARLA_UTILS_USE_QT

  87. # include <QtCore/QStringList>

  88. #else

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

  90. #endif

  91. 

  92. // used for scalepoint sorting

  93. #include <map>

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

  95. 

  96. // --------------------------------------------------------------------------------------------------------------------

  97. // Define namespaces and missing prefixes

  98. 

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

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

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

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

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

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

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

  106. 

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

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

  109. 

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

  111. 

  112. #define LV2_UI__makeResident       LV2_UI_PREFIX "makeResident"

  113. #define LV2_UI__makeSONameResident LV2_UI_PREFIX "makeSONameResident"

  114. 

  115. // TODO: update LV2 headers once again

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

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

  118. #define LV2_CORE__isSideChain LV2_CORE_PREFIX "isSideChain" ///< http://lv2plug.in/ns/lv2core#isSideChain

  119. 

  120. // --------------------------------------------------------------------------------------------------------------------

  121. // Custom Atom types

  122. 

  123. struct LV2_Atom_MidiEvent {

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

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

  126. };

  127. 

  128. static inline

  129. uint32_t lv2_atom_total_size(const LV2_Atom_MidiEvent& midiEv)

  130. {

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

  132. }

  133. 

  134. // ---------------------------------------------------------------------------------------------------------------------

  135. // -Weffc++ compat ext widget

  136. 

  137. extern "C" {

  138. 

  139. typedef struct _LV2_External_UI_Widget_Compat {

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

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

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

  143. 

  144.   _LV2_External_UI_Widget_Compat() noexcept

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

  146. 

  147. } LV2_External_UI_Widget_Compat;

  148. 

  149. }

  150. 

  151. // --------------------------------------------------------------------------------------------------------------------

  152. // Our LV2 World class

  153. 

  154. class Lv2WorldClass : public Lilv::World

  155. {

  156. public:

  157.     // Base Types

  158.     Lilv::Node port;

  159.     Lilv::Node symbol;

  160.     Lilv::Node designation;

  161.     Lilv::Node freeWheeling;

  162.     Lilv::Node reportsLatency;

  163. 

  164.     // Plugin Types

  165.     Lilv::Node class_allpass;

  166.     Lilv::Node class_amplifier;

  167.     Lilv::Node class_analyzer;

  168.     Lilv::Node class_bandpass;

  169.     Lilv::Node class_chorus;

  170.     Lilv::Node class_comb;

  171.     Lilv::Node class_compressor;

  172.     Lilv::Node class_constant;

  173.     Lilv::Node class_converter;

  174.     Lilv::Node class_delay;

  175.     Lilv::Node class_distortion;

  176.     Lilv::Node class_dynamics;

  177.     Lilv::Node class_eq;

  178.     Lilv::Node class_envelope;

  179.     Lilv::Node class_expander;

  180.     Lilv::Node class_filter;

  181.     Lilv::Node class_flanger;

  182.     Lilv::Node class_function;

  183.     Lilv::Node class_gate;

  184.     Lilv::Node class_generator;

  185.     Lilv::Node class_highpass;

  186.     Lilv::Node class_instrument;

  187.     Lilv::Node class_limiter;

  188.     Lilv::Node class_lowpass;

  189.     Lilv::Node class_mixer;

  190.     Lilv::Node class_modulator;

  191.     Lilv::Node class_multiEQ;

  192.     Lilv::Node class_oscillator;

  193.     Lilv::Node class_paraEQ;

  194.     Lilv::Node class_phaser;

  195.     Lilv::Node class_pitch;

  196.     Lilv::Node class_reverb;

  197.     Lilv::Node class_simulator;

  198.     Lilv::Node class_spatial;

  199.     Lilv::Node class_spectral;

  200.     Lilv::Node class_utility;

  201.     Lilv::Node class_waveshaper;

  202. 

  203.     // Port Types

  204.     Lilv::Node port_input;

  205.     Lilv::Node port_output;

  206.     Lilv::Node port_control;

  207.     Lilv::Node port_audio;

  208.     Lilv::Node port_cv;

  209.     Lilv::Node port_atom;

  210.     Lilv::Node port_event;

  211.     Lilv::Node port_midi;

  212. 

  213.     // Port Properties

  214.     Lilv::Node pprop_optional;

  215.     Lilv::Node pprop_enumeration;

  216.     Lilv::Node pprop_integer;

  217.     Lilv::Node pprop_isSideChain;

  218.     Lilv::Node pprop_sampleRate;

  219.     Lilv::Node pprop_toggled;

  220.     Lilv::Node pprop_artifacts;

  221.     Lilv::Node pprop_continuousCV;

  222.     Lilv::Node pprop_discreteCV;

  223.     Lilv::Node pprop_expensive;

  224.     Lilv::Node pprop_strictBounds;

  225.     Lilv::Node pprop_logarithmic;

  226.     Lilv::Node pprop_notAutomatic;

  227.     Lilv::Node pprop_notOnGUI;

  228.     Lilv::Node pprop_trigger;

  229.     Lilv::Node pprop_nonAutomatable;

  230. 

  231.     // Unit Hints

  232.     Lilv::Node unit_name;

  233.     Lilv::Node unit_render;

  234.     Lilv::Node unit_symbol;

  235.     Lilv::Node unit_unit;

  236. 

  237.     // UI Types

  238.     Lilv::Node ui;

  239.     Lilv::Node ui_gtk2;

  240.     Lilv::Node ui_gtk3;

  241.     Lilv::Node ui_qt4;

  242.     Lilv::Node ui_qt5;

  243.     Lilv::Node ui_cocoa;

  244.     Lilv::Node ui_windows;

  245.     Lilv::Node ui_x11;

  246.     Lilv::Node ui_external;

  247.     Lilv::Node ui_externalOld;

  248. 

  249.     // Misc

  250.     Lilv::Node atom_bufferType;

  251.     Lilv::Node atom_sequence;

  252.     Lilv::Node atom_supports;

  253. 

  254.     Lilv::Node lv2_name;

  255.     Lilv::Node lv2_symbol;

  256.     Lilv::Node patch_readable;

  257.     Lilv::Node patch_writable;

  258.     Lilv::Node pg_group;

  259.     Lilv::Node pg_sideChainOf;

  260.     Lilv::Node preset_preset;

  261.     Lilv::Node state_state;

  262. 

  263.     Lilv::Node ui_portIndex;

  264.     Lilv::Node ui_portNotif;

  265.     Lilv::Node ui_protocol;

  266. 

  267.     Lilv::Node value_default;

  268.     Lilv::Node value_minimum;

  269.     Lilv::Node value_maximum;

  270. 

  271.     Lilv::Node rz_asLargeAs;

  272.     Lilv::Node rz_minSize;

  273. 

  274.     // Port Data Types

  275.     Lilv::Node midi_binding;

  276.     Lilv::Node midi_ctlrNumber;

  277.     Lilv::Node midi_event;

  278.     Lilv::Node patch_message;

  279.     Lilv::Node time_position;

  280. 

  281.     // MIDI CC

  282.     Lilv::Node mm_defaultControl;

  283.     Lilv::Node mm_controlType;

  284.     Lilv::Node mm_controlNumber;

  285. 

  286.     // Other

  287.     Lilv::Node dct_replaces;

  288.     Lilv::Node doap_license;

  289.     Lilv::Node rdf_type;

  290.     Lilv::Node rdfs_comment;

  291.     Lilv::Node rdfs_label;

  292.     Lilv::Node rdfs_range;

  293. 

  294.     bool needsInit;

  295. 

  296.     const LilvPlugins* allPlugins;

  297.     const LilvPlugin** cachedPlugins;

  298.     uint pluginCount;

  299. 

  300.     // ----------------------------------------------------------------------------------------------------------------

  301. 

  302.     Lv2WorldClass()

  303.         : Lilv::World(),

  304.           port               (new_uri(LV2_CORE__port)),

  305.           symbol             (new_uri(LV2_CORE__symbol)),

  306.           designation        (new_uri(LV2_CORE__designation)),

  307.           freeWheeling       (new_uri(LV2_CORE__freeWheeling)),

  308.           reportsLatency     (new_uri(LV2_CORE__reportsLatency)),

  309. 

  310.           class_allpass      (new_uri(LV2_CORE__AllpassPlugin)),

  311.           class_amplifier    (new_uri(LV2_CORE__AmplifierPlugin)),

  312.           class_analyzer     (new_uri(LV2_CORE__AnalyserPlugin)),

  313.           class_bandpass     (new_uri(LV2_CORE__BandpassPlugin)),

  314.           class_chorus       (new_uri(LV2_CORE__ChorusPlugin)),

  315.           class_comb         (new_uri(LV2_CORE__CombPlugin)),

  316.           class_compressor   (new_uri(LV2_CORE__CompressorPlugin)),

  317.           class_constant     (new_uri(LV2_CORE__ConstantPlugin)),

  318.           class_converter    (new_uri(LV2_CORE__ConverterPlugin)),

  319.           class_delay        (new_uri(LV2_CORE__DelayPlugin)),

  320.           class_distortion   (new_uri(LV2_CORE__DistortionPlugin)),

  321.           class_dynamics     (new_uri(LV2_CORE__DynamicsPlugin)),

  322.           class_eq           (new_uri(LV2_CORE__EQPlugin)),

  323.           class_envelope     (new_uri(LV2_CORE__EnvelopePlugin)),

  324.           class_expander     (new_uri(LV2_CORE__ExpanderPlugin)),

  325.           class_filter       (new_uri(LV2_CORE__FilterPlugin)),

  326.           class_flanger      (new_uri(LV2_CORE__FlangerPlugin)),

  327.           class_function     (new_uri(LV2_CORE__FunctionPlugin)),

  328.           class_gate         (new_uri(LV2_CORE__GatePlugin)),

  329.           class_generator    (new_uri(LV2_CORE__GeneratorPlugin)),

  330.           class_highpass     (new_uri(LV2_CORE__HighpassPlugin)),

  331.           class_instrument   (new_uri(LV2_CORE__InstrumentPlugin)),

  332.           class_limiter      (new_uri(LV2_CORE__LimiterPlugin)),

  333.           class_lowpass      (new_uri(LV2_CORE__LowpassPlugin)),

  334.           class_mixer        (new_uri(LV2_CORE__MixerPlugin)),

  335.           class_modulator    (new_uri(LV2_CORE__ModulatorPlugin)),

  336.           class_multiEQ      (new_uri(LV2_CORE__MultiEQPlugin)),

  337.           class_oscillator   (new_uri(LV2_CORE__OscillatorPlugin)),

  338.           class_paraEQ       (new_uri(LV2_CORE__ParaEQPlugin)),

  339.           class_phaser       (new_uri(LV2_CORE__PhaserPlugin)),

  340.           class_pitch        (new_uri(LV2_CORE__PitchPlugin)),

  341.           class_reverb       (new_uri(LV2_CORE__ReverbPlugin)),

  342.           class_simulator    (new_uri(LV2_CORE__SimulatorPlugin)),

  343.           class_spatial      (new_uri(LV2_CORE__SpatialPlugin)),

  344.           class_spectral     (new_uri(LV2_CORE__SpectralPlugin)),

  345.           class_utility      (new_uri(LV2_CORE__UtilityPlugin)),

  346.           class_waveshaper   (new_uri(LV2_CORE__WaveshaperPlugin)),

  347. 

  348.           port_input         (new_uri(LV2_CORE__InputPort)),

  349.           port_output        (new_uri(LV2_CORE__OutputPort)),

  350.           port_control       (new_uri(LV2_CORE__ControlPort)),

  351.           port_audio         (new_uri(LV2_CORE__AudioPort)),

  352.           port_cv            (new_uri(LV2_CORE__CVPort)),

  353.           port_atom          (new_uri(LV2_ATOM__AtomPort)),

  354.           port_event         (new_uri(LV2_EVENT__EventPort)),

  355.           port_midi          (new_uri(LV2_MIDI_LL__MidiPort)),

  356. 

  357.           pprop_optional     (new_uri(LV2_CORE__connectionOptional)),

  358.           pprop_enumeration  (new_uri(LV2_CORE__enumeration)),

  359.           pprop_integer      (new_uri(LV2_CORE__integer)),

  360.           pprop_isSideChain  (new_uri(LV2_CORE__isSideChain)),

  361.           pprop_sampleRate   (new_uri(LV2_CORE__sampleRate)),

  362.           pprop_toggled      (new_uri(LV2_CORE__toggled)),

  363.           pprop_artifacts    (new_uri(LV2_PORT_PROPS__causesArtifacts)),

  364.           pprop_continuousCV (new_uri(LV2_PORT_PROPS__continuousCV)),

  365.           pprop_discreteCV   (new_uri(LV2_PORT_PROPS__discreteCV)),

  366.           pprop_expensive    (new_uri(LV2_PORT_PROPS__expensive)),

  367.           pprop_strictBounds (new_uri(LV2_PORT_PROPS__hasStrictBounds)),

  368.           pprop_logarithmic  (new_uri(LV2_PORT_PROPS__logarithmic)),

  369.           pprop_notAutomatic (new_uri(LV2_PORT_PROPS__notAutomatic)),

  370.           pprop_notOnGUI     (new_uri(LV2_PORT_PROPS__notOnGUI)),

  371.           pprop_trigger      (new_uri(LV2_PORT_PROPS__trigger)),

  372.           pprop_nonAutomatable (new_uri(LV2_KXSTUDIO_PROPERTIES__NonAutomatable)),

  373. 

  374.           unit_name          (new_uri(LV2_UNITS__name)),

  375.           unit_render        (new_uri(LV2_UNITS__render)),

  376.           unit_symbol        (new_uri(LV2_UNITS__symbol)),

  377.           unit_unit          (new_uri(LV2_UNITS__unit)),

  378. 

  379.           ui                 (new_uri(LV2_UI__UI)),

  380.           ui_gtk2            (new_uri(LV2_UI__GtkUI)),

  381.           ui_gtk3            (new_uri(LV2_UI__Gtk3UI)),

  382.           ui_qt4             (new_uri(LV2_UI__Qt4UI)),

  383.           ui_qt5             (new_uri(LV2_UI__Qt5UI)),

  384.           ui_cocoa           (new_uri(LV2_UI__CocoaUI)),

  385.           ui_windows         (new_uri(LV2_UI__WindowsUI)),

  386.           ui_x11             (new_uri(LV2_UI__X11UI)),

  387.           ui_external        (new_uri(LV2_EXTERNAL_UI__Widget)),

  388.           ui_externalOld     (new_uri(LV2_EXTERNAL_UI_DEPRECATED_URI)),

  389. 

  390.           atom_bufferType    (new_uri(LV2_ATOM__bufferType)),

  391.           atom_sequence      (new_uri(LV2_ATOM__Sequence)),

  392.           atom_supports      (new_uri(LV2_ATOM__supports)),

  393. 

  394.           lv2_name           (new_uri(LV2_CORE__name)),

  395.           lv2_symbol         (new_uri(LV2_CORE__symbol)),

  396.           patch_readable     (new_uri(LV2_PATCH__readable)),

  397.           patch_writable     (new_uri(LV2_PATCH__writable)),

  398.           pg_group           (new_uri(LV2_PORT_GROUPS__group)),

  399.           pg_sideChainOf     (new_uri(LV2_PORT_GROUPS__sideChainOf)),

  400.           preset_preset      (new_uri(LV2_PRESETS__Preset)),

  401.           state_state        (new_uri(LV2_STATE__state)),

  402. 

  403.           ui_portIndex       (new_uri(LV2_UI__portIndex)),

  404.           ui_portNotif       (new_uri(LV2_UI__portNotification)),

  405.           ui_protocol        (new_uri(LV2_UI__protocol)),

  406. 

  407.           value_default      (new_uri(LV2_CORE__default)),

  408.           value_minimum      (new_uri(LV2_CORE__minimum)),

  409.           value_maximum      (new_uri(LV2_CORE__maximum)),

  410. 

  411.           rz_asLargeAs       (new_uri(LV2_RESIZE_PORT__asLargeAs)),

  412.           rz_minSize         (new_uri(LV2_RESIZE_PORT__minimumSize)),

  413. 

  414.           midi_binding       (new_uri(LV2_MIDI__binding)),

  415.           midi_ctlrNumber    (new_uri(LV2_MIDI__controllerNumber)),

  416.           midi_event         (new_uri(LV2_MIDI__MidiEvent)),

  417.           patch_message      (new_uri(LV2_PATCH__Message)),

  418.           time_position      (new_uri(LV2_TIME__Position)),

  419. 

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

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

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

  423. 

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

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

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

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

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

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

  430. 

  431.           needsInit(true),

  432.           allPlugins(nullptr),

  433.           cachedPlugins(nullptr),

  434.           pluginCount(0) {}

  435. 

  436.     ~Lv2WorldClass() override

  437.     {

  438.         pluginCount = 0;

  439.         allPlugins = nullptr;

  440. 

  441.         if (cachedPlugins != nullptr)

  442.         {

  443.             delete[] cachedPlugins;

  444.             cachedPlugins = nullptr;

  445.         }

  446.     }

  447. 

  448.     // FIXME - remove this

  449.     static Lv2WorldClass& getInstance()

  450.     {

  451.         static Lv2WorldClass lv2World;

  452.         return lv2World;

  453.     }

  454. 

  455.     void initIfNeeded(const char* LV2_PATH)

  456.     {

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

  458.         {

  459.             static const char* const DEFAULT_LV2_PATH = LILV_DEFAULT_LV2_PATH;

  460.             LV2_PATH = DEFAULT_LV2_PATH;

  461.         }

  462. 

  463.         if (! needsInit)

  464.             return;

  465. 

  466.         needsInit = false;

  467. 

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

  469. 

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

  471.         CARLA_SAFE_ASSERT_RETURN(allPlugins != nullptr,);

  472. 

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

  474.         {

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

  476.             carla_zeroPointers(cachedPlugins, pluginCount+1);

  477. 

  478.             int i = 0;

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

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

  481.         }

  482.     }

  483. 

  484.     void load_bundle(const char* const bundle)

  485.     {

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

  487.         CARLA_SAFE_ASSERT_RETURN(needsInit,);

  488. 

  489.         needsInit = false;

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

  491. 

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

  493.         CARLA_SAFE_ASSERT_RETURN(allPlugins != nullptr,);

  494. 

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

  496.         {

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

  498.             carla_zeroPointers(cachedPlugins, pluginCount+1);

  499. 

  500.             int i = 0;

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

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

  503.         }

  504.     }

  505. 

  506.     uint getPluginCount() const

  507.     {

  508.         CARLA_SAFE_ASSERT_RETURN(! needsInit, 0);

  509. 

  510.         return pluginCount;

  511.     }

  512. 

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

  514.     {

  515.         CARLA_SAFE_ASSERT_RETURN(! needsInit, nullptr);

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

  517.         CARLA_SAFE_ASSERT_RETURN(index < pluginCount, nullptr);

  518. 

  519.         return cachedPlugins[index];

  520.     }

  521. 

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

  523.     {

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

  525.         CARLA_SAFE_ASSERT_RETURN(! needsInit, nullptr);

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

  527. 

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

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

  530. 

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

  532.         lilv_node_free(uriNode);

  533. 

  534.         return cPlugin;

  535.     }

  536. 

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

  538.     {

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

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

  541.         CARLA_SAFE_ASSERT_RETURN(! needsInit, nullptr);

  542. 

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

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

  545. 

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

  547. 

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

  549.         lilv_node_free(uriNode);

  550. 

  551.         return cState;

  552.     }

  553. 

  554.     CARLA_PREVENT_VIRTUAL_HEAP_ALLOCATION

  555.     CARLA_DECLARE_NON_COPYABLE(Lv2WorldClass)

  556. };

  557. 

  558. // --------------------------------------------------------------------------------------------------------------------

  559. // Our LV2 Plugin base class

  560. 

  561. #if defined(__clang__)

  562. # pragma clang diagnostic push

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

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

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

  566. # pragma GCC diagnostic push

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

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

  569. #endif

  570. template<class TimeInfoStruct>

  571. class Lv2PluginBaseClass : public LV2_External_UI_Widget_Compat

  572. {

  573. #if defined(__clang__)

  574. # pragma clang diagnostic pop

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

  576. # pragma GCC diagnostic pop

  577. #endif

  578. public:

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

  580.         : fIsActive(false),

  581.           fIsOffline(false),

  582.           fUsingNominal(false),

  583.           fBufferSize(0),

  584.           fSampleRate(sampleRate),

  585.           fFreePath(nullptr),

  586.           fUridMap(nullptr),

  587.           fUridUnmap(nullptr),

  588.           fWorker(nullptr),

  589.           fInlineDisplay(nullptr),

  590.           fTimeInfo(),

  591.           fLastPositionData(),

  592.           fPorts(),

  593.           fURIs(),

  594.           fUI()

  595.     {

  596.         run  = extui_run;

  597.         show = extui_show;

  598.         hide = extui_hide;

  599. 

  600.         if (fSampleRate < 1.0)

  601.         {

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

  603.             return;

  604.         }

  605. 

  606.         const LV2_State_Free_Path* freePath  = nullptr;

  607.         const LV2_Options_Option*  options   = nullptr;

  608.         const LV2_URID_Map*        uridMap   = nullptr;

  609.         const LV2_URID_Unmap*      uridUnmap = nullptr;

  610.         const LV2_Worker_Schedule* worker    = nullptr;

  611.         const LV2_Inline_Display*  idisp     = nullptr;

  612. 

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

  614.         {

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

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

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

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

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

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

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

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

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

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

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

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

  627.         }

  628. 

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

  630.         {

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

  632.             return;

  633.         }

  634. 

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

  636.         {

  637.             if (uridUnmap != nullptr) {

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

  639.             }

  640. 

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

  642.             {

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

  644.                 {

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

  646.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  647. 

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

  649.                     fUsingNominal = true;

  650.                 }

  651.                 else

  652.                 {

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

  654.                 }

  655.                 break;

  656.             }

  657. 

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

  659.             {

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

  661.                 {

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

  663.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  664. 

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

  666.                 }

  667.                 else

  668.                 {

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

  670.                 }

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

  672.             }

  673.         }

  674. 

  675.         if (fBufferSize == 0)

  676.         {

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

  678.             //return;

  679.             // as testing, continue for now

  680.             fBufferSize = 1024;

  681.         }

  682. 

  683.         fUridMap = uridMap;

  684.         fURIs.map(uridMap);

  685. 

  686.         fFreePath = freePath;

  687.         fUridUnmap = uridUnmap;

  688.         fWorker = worker;

  689.         fInlineDisplay = idisp;

  690. 

  691.         clearTimeData();

  692.     }

  693. 

  694.     virtual ~Lv2PluginBaseClass() {}

  695. 

  696.     bool loadedInProperHost() const noexcept

  697.     {

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

  699.     }

  700. 

  701.     // ----------------------------------------------------------------------------------------------------------------

  702. 

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

  704.     {

  705.         fPorts.connectPort(port, dataLocation);

  706.     }

  707. 

  708.     bool lv2_pre_run(const uint32_t frames)

  709.     {

  710.         CARLA_SAFE_ASSERT_RETURN(fIsActive, false);

  711. 

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

  713. 

  714.         // cache midi events and time information first

  715.         if (fPorts.usesTime)

  716.         {

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

  718.             {

  719.                 if (event == nullptr)

  720.                     continue;

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

  722.                     continue;

  723. 

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

  725. 

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

  727.                     continue;

  728. 

  729.                 LV2_Atom* bar = nullptr;

  730.                 LV2_Atom* barBeat = nullptr;

  731.                 LV2_Atom* beatUnit = nullptr;

  732.                 LV2_Atom* beatsPerBar = nullptr;

  733.                 LV2_Atom* beatsPerMinute = nullptr;

  734.                 LV2_Atom* frame = nullptr;

  735.                 LV2_Atom* speed = nullptr;

  736.                 LV2_Atom* ticksPerBeat = nullptr;

  737. 

  738.                 lv2_atom_object_get(obj,

  739.                                     fURIs.timeBar, &bar,

  740.                                     fURIs.timeBarBeat, &barBeat,

  741.                                     fURIs.timeBeatUnit, &beatUnit,

  742.                                     fURIs.timeBeatsPerBar, &beatsPerBar,

  743.                                     fURIs.timeBeatsPerMinute, &beatsPerMinute,

  744.                                     fURIs.timeFrame, &frame,

  745.                                     fURIs.timeSpeed, &speed,

  746.                                     fURIs.timeTicksPerBeat, &ticksPerBeat,

  747.                                     0);

  748. 

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

  750.                 if (ticksPerBeat != nullptr)

  751.                 {

  752.                     double ticksPerBeatValue = -1.0;

  753. 

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

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

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

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

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

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

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

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

  762.                     else

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

  764. 

  765.                     if (ticksPerBeatValue > 0.0)

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

  767.                     else

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

  769.                 }

  770. 

  771.                 // same

  772.                 if (speed != nullptr)

  773.                 {

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

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

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

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

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

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

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

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

  782.                     else

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

  784. 

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

  786. 

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

  788.                     {

  789.                         fTimeInfo.bbt.beatsPerMinute = fLastPositionData.beatsPerMinute*

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

  791.                     }

  792.                 }

  793. 

  794.                 if (bar != nullptr)

  795.                 {

  796.                     int64_t barValue = -1;

  797. 

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

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

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

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

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

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

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

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

  806.                     else

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

  808. 

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

  810.                     {

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

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

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

  814.                     }

  815.                     else

  816.                     {

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

  818.                     }

  819.                 }

  820. 

  821.                 if (barBeat != nullptr)

  822.                 {

  823.                     double barBeatValue = -1.0;

  824. 

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

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

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

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

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

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

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

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

  833.                     else

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

  835. 

  836.                     if (barBeatValue >= 0.0)

  837.                     {

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

  839. 

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

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

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

  843.                     }

  844.                     else

  845.                     {

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

  847.                     }

  848.                 }

  849. 

  850.                 if (beatUnit != nullptr)

  851.                 {

  852.                     int64_t beatUnitValue = -1;

  853. 

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

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

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

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

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

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

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

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

  862.                     else

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

  864. 

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

  866.                     {

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

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

  869.                     }

  870.                     else

  871.                     {

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

  873.                     }

  874.                 }

  875. 

  876.                 if (beatsPerBar != nullptr)

  877.                 {

  878.                     float beatsPerBarValue = -1.0f;

  879. 

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

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

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

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

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

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

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

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

  888.                     else

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

  890. 

  891.                     if (beatsPerBarValue > 0.0f)

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

  893.                     else

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

  895.                 }

  896. 

  897.                 if (beatsPerMinute != nullptr)

  898.                 {

  899.                     double beatsPerMinuteValue = -1.0;

  900. 

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

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

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

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

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

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

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

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

  909.                     else

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

  911. 

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

  913.                     {

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

  915. 

  916.                         if (carla_isNotZero(fLastPositionData.speed))

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

  918.                     }

  919.                     else

  920.                     {

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

  922.                     }

  923.                 }

  924. 

  925.                 if (frame != nullptr)

  926.                 {

  927.                     int64_t frameValue = -1;

  928. 

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

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

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

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

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

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

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

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

  937.                     else

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

  939. 

  940.                     if (frameValue >= 0)

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

  942.                     else

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

  944.                 }

  945. 

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

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

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

  949. 

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

  951.                                        fLastPositionData.beatUnit > 0 &&

  952.                                        fLastPositionData.beatsPerBar > 0.0f);

  953.             }

  954.         }

  955. 

  956.         // Check for updated parameters

  957.         float curValue;

  958. 

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

  960.         {

  961.             if (fPorts.paramsOut[i])

  962.                 continue;

  963. 

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

  965. 

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

  967. 

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

  969.                 continue;

  970. 

  971.             fPorts.paramsLast[i] = curValue;

  972.             handleParameterValueChanged(i, curValue);

  973.         }

  974. 

  975.         // init event out data

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

  977.         {

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

  979. 

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

  981.             {

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

  983.                 CARLA_SAFE_ASSERT_CONTINUE(seq != nullptr);

  984. 

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

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

  987. 

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

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

  990.                 seq->body.unit = 0;

  991.                 seq->body.pad  = 0;

  992.             }

  993.         }

  994. 

  995.         if (frames == 0)

  996.             return false;

  997. 

  998.         return true;

  999.     }

  1000. 

  1001.     void lv2_post_run(const uint32_t frames)

  1002.     {

  1003.         // update timePos for next callback

  1004. 

  1005.         if (carla_isZero(fLastPositionData.speed))

  1006.             return;

  1007. 

  1008.         if (fLastPositionData.speed > 0.0)

  1009.         {

  1010.             // playing forwards

  1011.             fLastPositionData.frame += frames;

  1012.         }

  1013.         else

  1014.         {

  1015.             // playing backwards

  1016.             if (frames >= fLastPositionData.frame)

  1017.                 fLastPositionData.frame = 0;

  1018.             else

  1019.                 fLastPositionData.frame -= frames;

  1020.         }

  1021. 

  1022.         fTimeInfo.frame = fLastPositionData.frame;

  1023. 

  1024.         if (fTimeInfo.bbt.valid)

  1025.         {

  1026.             const double beatsPerMinute = fLastPositionData.beatsPerMinute * fLastPositionData.speed;

  1027.             const double framesPerBeat  = 60.0 * fSampleRate / beatsPerMinute;

  1028.             const double addedBarBeats  = double(frames) / framesPerBeat;

  1029. 

  1030.             if (fLastPositionData.barBeat >= 0.0f)

  1031.             {

  1032.                 fLastPositionData.barBeat = std::fmod(fLastPositionData.barBeat+static_cast<float>(addedBarBeats),

  1033.                                                       fLastPositionData.beatsPerBar);

  1034. 

  1035.                 const double rest  = std::fmod(fLastPositionData.barBeat, 1.0f);

  1036.                 fTimeInfo.bbt.beat = static_cast<int32_t>(static_cast<double>(fLastPositionData.barBeat)-rest+1.0);

  1037.                 fTimeInfo.bbt.tick = rest * fTimeInfo.bbt.ticksPerBeat;

  1038. 

  1039.                 if (fLastPositionData.bar_f >= 0.0f)

  1040.                 {

  1041.                     fLastPositionData.bar_f += std::floor((fLastPositionData.barBeat+static_cast<float>(addedBarBeats))/

  1042.                                                            fLastPositionData.beatsPerBar);

  1043. 

  1044.                     if (fLastPositionData.bar_f <= 0.0f)

  1045.                     {

  1046.                         fLastPositionData.bar   = 0;

  1047.                         fLastPositionData.bar_f = 0.0f;

  1048.                     }

  1049.                     else

  1050.                     {

  1051.                         fLastPositionData.bar = static_cast<int32_t>(fLastPositionData.bar_f+0.5f);

  1052.                     }

  1053. 

  1054.                     fTimeInfo.bbt.bar = fLastPositionData.bar + 1;

  1055. 

  1056.                     fTimeInfo.bbt.barStartTick = static_cast<double>(fTimeInfo.bbt.ticksPerBeat) *

  1057.                                                  static_cast<double>(fTimeInfo.bbt.beatsPerBar) *

  1058.                                                  (fTimeInfo.bbt.bar-1);

  1059.                 }

  1060.             }

  1061.         }

  1062.     }

  1063. 

  1064.     // ----------------------------------------------------------------------------------------------------------------

  1065. 

  1066.     uint32_t lv2_get_options(LV2_Options_Option* const /*options*/) const

  1067.     {

  1068.         // currently unused

  1069.         return LV2_OPTIONS_SUCCESS;

  1070.     }

  1071. 

  1072.     uint32_t lv2_set_options(const LV2_Options_Option* const options)

  1073.     {

  1074.         for (int i=0; options[i].key != 0; ++i)

  1075.         {

  1076.             if (options[i].key == fUridMap->map(fUridMap->handle, LV2_BUF_SIZE__nominalBlockLength))

  1077.             {

  1078.                 if (options[i].type == fURIs.atomInt)

  1079.                 {

  1080.                     const int32_t value(*(const int32_t*)options[i].value);

  1081.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  1082. 

  1083.                     const uint32_t newBufferSize = static_cast<uint32_t>(value);

  1084. 

  1085.                     if (fBufferSize != newBufferSize)

  1086.                     {

  1087.                         fBufferSize = newBufferSize;

  1088.                         handleBufferSizeChanged(newBufferSize);

  1089.                     }

  1090.                 }

  1091.                 else

  1092.                 {

  1093.                     carla_stderr("Host changed nominalBlockLength but with wrong value type");

  1094.                 }

  1095.             }

  1096.             else if (options[i].key == fUridMap->map(fUridMap->handle, LV2_BUF_SIZE__maxBlockLength) && ! fUsingNominal)

  1097.             {

  1098.                 if (options[i].type == fURIs.atomInt)

  1099.                 {

  1100.                     const int32_t value(*(const int32_t*)options[i].value);

  1101.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0);

  1102. 

  1103.                     const uint32_t newBufferSize = static_cast<uint32_t>(value);

  1104. 

  1105.                     if (fBufferSize != newBufferSize)

  1106.                     {

  1107.                         fBufferSize = newBufferSize;

  1108.                         handleBufferSizeChanged(newBufferSize);

  1109.                     }

  1110.                 }

  1111.                 else

  1112.                 {

  1113.                     carla_stderr("Host changed maxBlockLength but with wrong value type");

  1114.                 }

  1115.             }

  1116.             else if (options[i].key == fUridMap->map(fUridMap->handle, LV2_PARAMETERS__sampleRate))

  1117.             {

  1118.                 if (options[i].type == fURIs.atomFloat)

  1119.                 {

  1120.                     const double value(*(const float*)options[i].value);

  1121.                     CARLA_SAFE_ASSERT_CONTINUE(value > 0.0);

  1122. 

  1123.                     if (carla_isNotEqual(fSampleRate, value))

  1124.                     {

  1125.                         fSampleRate = value;

  1126.                         handleSampleRateChanged(value);

  1127.                     }

  1128.                 }

  1129.                 else

  1130.                 {

  1131.                     carla_stderr("Host changed sampleRate but with wrong value type");

  1132.                 }

  1133.             }

  1134.         }

  1135. 

  1136.         return LV2_OPTIONS_SUCCESS;

  1137.     }

  1138. 

  1139.     // ----------------------------------------------------------------------------------------------------------------

  1140. 

  1141.     int lv2ui_idle() const

  1142.     {

  1143.         if (! fUI.isVisible)

  1144.             return 1;

  1145. 

  1146.         handleUiRun();

  1147.         return 0;

  1148.     }

  1149. 

  1150.     int lv2ui_show()

  1151.     {

  1152.         handleUiShow();

  1153.         return 0;

  1154.     }

  1155. 

  1156.     int lv2ui_hide()

  1157.     {

  1158.         handleUiHide();

  1159.         return 0;

  1160.     }

  1161. 

  1162.     void lv2ui_cleanup()

  1163.     {

  1164.         if (fUI.isVisible)

  1165.             handleUiHide();

  1166. 

  1167.         fUI.host = nullptr;

  1168.         fUI.touch = nullptr;

  1169.         fUI.writeFunction = nullptr;

  1170.         fUI.controller = nullptr;

  1171.     }

  1172. 

  1173.     // ----------------------------------------------------------------------------------------------------------------

  1174. 

  1175. protected:

  1176.     virtual void handleUiRun() const = 0;

  1177.     virtual void handleUiShow() = 0;

  1178.     virtual void handleUiHide() = 0;

  1179. 

  1180.     virtual void handleParameterValueChanged(const uint32_t index, const float value) = 0;

  1181.     virtual void handleBufferSizeChanged(const uint32_t bufferSize) = 0;

  1182.     virtual void handleSampleRateChanged(const double sampleRate) = 0;

  1183. 

  1184.     void resetTimeInfo() noexcept

  1185.     {

  1186.         clearTimeData();

  1187. 

  1188.         // hosts may not send all values, resulting on some invalid data

  1189.         fTimeInfo.bbt.bar   = 1;

  1190.         fTimeInfo.bbt.beat  = 1;

  1191.         fTimeInfo.bbt.beatsPerBar    = 4;

  1192.         fTimeInfo.bbt.beatType       = 4;

  1193.         fTimeInfo.bbt.ticksPerBeat   = fLastPositionData.ticksPerBeat   = 960.0;

  1194.         fTimeInfo.bbt.beatsPerMinute = fLastPositionData.beatsPerMinute = 120.0;

  1195.     }

  1196. 

  1197.     // LV2 host data

  1198.     bool     fIsActive : 1;

  1199.     bool     fIsOffline : 1;

  1200.     bool     fUsingNominal : 1;

  1201.     uint32_t fBufferSize;

  1202.     double   fSampleRate;

  1203. 

  1204.     // LV2 host features

  1205.     const LV2_State_Free_Path* fFreePath;

  1206.     const LV2_URID_Map* fUridMap;

  1207.     const LV2_URID_Unmap* fUridUnmap;

  1208.     const LV2_Worker_Schedule* fWorker;

  1209.     const LV2_Inline_Display* fInlineDisplay;

  1210. 

  1211.     // Time info stuff

  1212.     TimeInfoStruct fTimeInfo;

  1213. 

  1214.     struct Lv2PositionData {

  1215.         int32_t  bar;

  1216.         float    bar_f;

  1217.         float    barBeat;

  1218.         uint32_t beatUnit;

  1219.         float    beatsPerBar;

  1220.         double   beatsPerMinute;

  1221.         uint64_t frame;

  1222.         double   speed;

  1223.         double   ticksPerBeat;

  1224. 

  1225.         Lv2PositionData()

  1226.             : bar(-1),

  1227.               bar_f(-1.0f),

  1228.               barBeat(-1.0f),

  1229.               beatUnit(0),

  1230.               beatsPerBar(0.0f),

  1231.               beatsPerMinute(-1.0),

  1232.               frame(0),

  1233.               speed(0.0),

  1234.               ticksPerBeat(-1.0) {}

  1235. 

  1236.         void clear()

  1237.         {

  1238.             bar = -1;

  1239.             bar_f = -1.0f;

  1240.             barBeat = -1.0f;

  1241.             beatUnit = 0;

  1242.             beatsPerBar = 0.0f;

  1243.             beatsPerMinute = -1.0;

  1244.             frame = 0;

  1245.             speed = 0.0;

  1246.             ticksPerBeat = -1.0;

  1247.         }

  1248. 

  1249.     } fLastPositionData;

  1250. 

  1251.     // Port stuff

  1252.     struct Ports {

  1253.         // need to save current state

  1254.         struct EventsOutData {

  1255.             uint32_t capacity;

  1256.             uint32_t offset;

  1257. 

  1258.             EventsOutData()

  1259.                 : capacity(0),

  1260.                   offset(0) {}

  1261.         };

  1262. 

  1263.         // store port info

  1264.         uint32_t indexOffset;

  1265.         uint32_t numAudioIns;

  1266.         uint32_t numAudioOuts;

  1267.         uint32_t numCVIns;

  1268.         uint32_t numCVOuts;

  1269.         uint32_t numMidiIns;

  1270.         uint32_t numMidiOuts;

  1271.         uint32_t numParams;

  1272.         bool hasUI;

  1273.         bool usesTime;

  1274. 

  1275.         // port buffers

  1276.         const LV2_Atom_Sequence** eventsIn;

  1277.         /* */ LV2_Atom_Sequence** eventsOut;

  1278.         /* */ EventsOutData*      eventsOutData;

  1279.         /* */ float** audioCVIns;

  1280.         /* */ float** audioCVOuts;

  1281.         /* */ float*  freewheel;

  1282. 

  1283.         // cached parameter values

  1284.         float*  paramsLast;

  1285.         float** paramsPtr;

  1286.         bool*   paramsOut;

  1287. 

  1288.         Ports()

  1289.             : indexOffset(0),

  1290.               numAudioIns(0),

  1291.               numAudioOuts(0),

  1292.               numCVIns(0),

  1293.               numCVOuts(0),

  1294.               numMidiIns(0),

  1295.               numMidiOuts(0),

  1296.               numParams(0),

  1297.               hasUI(false),

  1298.               usesTime(false),

  1299.               eventsIn(nullptr),

  1300.               eventsOut(nullptr),

  1301.               eventsOutData(nullptr),

  1302.               audioCVIns(nullptr),

  1303.               audioCVOuts(nullptr),

  1304.               freewheel(nullptr),

  1305.               paramsLast(nullptr),

  1306.               paramsPtr(nullptr),

  1307.               paramsOut(nullptr) {}

  1308. 

  1309.         ~Ports()

  1310.         {

  1311.             if (eventsIn != nullptr)

  1312.             {

  1313.                 delete[] eventsIn;

  1314.                 eventsIn = nullptr;

  1315.             }

  1316. 

  1317.             if (eventsOut != nullptr)

  1318.             {

  1319.                 delete[] eventsOut;

  1320.                 eventsOut = nullptr;

  1321.             }

  1322. 

  1323.             if (eventsOutData != nullptr)

  1324.             {

  1325.                 delete[] eventsOutData;

  1326.                 eventsOutData = nullptr;

  1327.             }

  1328. 

  1329.             if (audioCVIns != nullptr)

  1330.             {

  1331.                 delete[] audioCVIns;

  1332.                 audioCVIns = nullptr;

  1333.             }

  1334. 

  1335.             if (audioCVOuts != nullptr)

  1336.             {

  1337.                 delete[] audioCVOuts;

  1338.                 audioCVOuts = nullptr;

  1339.             }

  1340. 

  1341.             if (paramsLast != nullptr)

  1342.             {

  1343.                 delete[] paramsLast;

  1344.                 paramsLast = nullptr;

  1345.             }

  1346. 

  1347.             if (paramsPtr != nullptr)

  1348.             {

  1349.                 delete[] paramsPtr;

  1350.                 paramsPtr = nullptr;

  1351.             }

  1352. 

  1353.             if (paramsOut != nullptr)

  1354.             {

  1355.                 delete[] paramsOut;

  1356.                 paramsOut = nullptr;

  1357.             }

  1358.         }

  1359. 

  1360.         // NOTE: assumes num* has been filled by parent class

  1361.         void init()

  1362.         {

  1363.             if (numMidiIns > 0)

  1364.             {

  1365.                 eventsIn = new const LV2_Atom_Sequence*[numMidiIns];

  1366. 

  1367.                 for (uint32_t i=0; i < numMidiIns; ++i)

  1368.                     eventsIn[i] = nullptr;

  1369.             }

  1370.             else if (usesTime || hasUI)

  1371.             {

  1372.                 eventsIn = new const LV2_Atom_Sequence*[1];

  1373.                 eventsIn[0] = nullptr;

  1374.             }

  1375. 

  1376.             if (numMidiOuts > 0)

  1377.             {

  1378.                 eventsOut = new LV2_Atom_Sequence*[numMidiOuts];

  1379.                 eventsOutData = new EventsOutData[numMidiOuts];

  1380. 

  1381.                 for (uint32_t i=0; i < numMidiOuts; ++i)

  1382.                     eventsOut[i] = nullptr;

  1383.             }

  1384.             else if (hasUI)

  1385.             {

  1386.                 eventsOut = new LV2_Atom_Sequence*[1];

  1387.                 eventsOut[0] = nullptr;

  1388.                 eventsOutData = new EventsOutData[1];

  1389.             }

  1390. 

  1391.             if (const uint32_t numAudioCVIns = numAudioIns+numCVIns)

  1392.             {

  1393.                 audioCVIns = new float*[numAudioCVIns];

  1394.                 carla_zeroPointers(audioCVIns, numAudioCVIns);

  1395.             }

  1396. 

  1397.             if (const uint32_t numAudioCVOuts = numAudioOuts+numCVOuts)

  1398.             {

  1399.                 audioCVOuts = new float*[numAudioCVOuts];

  1400.                 carla_zeroPointers(audioCVOuts, numAudioCVOuts);

  1401.             }

  1402. 

  1403.             if (numParams > 0)

  1404.             {

  1405.                 paramsLast = new float[numParams];

  1406.                 paramsPtr  = new float*[numParams];

  1407.                 paramsOut  = new bool[numParams];

  1408. 

  1409.                 carla_zeroFloats(paramsLast, numParams);

  1410.                 carla_zeroPointers(paramsPtr, numParams);

  1411.                 carla_zeroStructs(paramsOut, numParams);

  1412. 

  1413.                 // NOTE: need to be filled in by the parent class

  1414.             }

  1415. 

  1416.             indexOffset  = numAudioIns + numAudioOuts + numCVIns + numCVOuts;

  1417.             // 1 event port for time or ui if no midi input is used

  1418.             indexOffset += numMidiIns > 0 ? numMidiIns : ((usesTime || hasUI) ? 1 : 0);

  1419.             // 1 event port for ui if no midi output is used

  1420.             indexOffset += numMidiOuts > 0 ? numMidiOuts : (hasUI ? 1 : 0);

  1421.             // 1 extra for freewheel port

  1422.             indexOffset += 1;

  1423.         }

  1424. 

  1425.         void connectPort(const uint32_t port, void* const dataLocation)

  1426.         {

  1427.             uint32_t index = 0;

  1428. 

  1429.             if (numMidiIns > 0 || usesTime || hasUI)

  1430.             {

  1431.                 if (port == index++)

  1432.                 {

  1433.                     eventsIn[0] = (LV2_Atom_Sequence*)dataLocation;

  1434.                     return;

  1435.                 }

  1436.             }

  1437. 

  1438.             for (uint32_t i=1; i < numMidiIns; ++i)

  1439.             {

  1440.                 if (port == index++)

  1441.                 {

  1442.                     eventsIn[i] = (LV2_Atom_Sequence*)dataLocation;

  1443.                     return;

  1444.                 }

  1445.             }

  1446. 

  1447.             if (numMidiOuts > 0 || hasUI)

  1448.             {

  1449.                 if (port == index++)

  1450.                 {

  1451.                     eventsOut[0] = (LV2_Atom_Sequence*)dataLocation;

  1452.                     return;

  1453.                 }

  1454.             }

  1455. 

  1456.             for (uint32_t i=1; i < numMidiOuts; ++i)

  1457.             {

  1458.                 if (port == index++)

  1459.                 {

  1460.                     eventsOut[i] = (LV2_Atom_Sequence*)dataLocation;

  1461.                     return;

  1462.                 }

  1463.             }

  1464. 

  1465.             if (port == index++)

  1466.             {

  1467.                 freewheel = (float*)dataLocation;

  1468.                 return;

  1469.             }

  1470. 

  1471.             for (uint32_t i=0; i < numAudioIns; ++i)

  1472.             {

  1473.                 if (port == index++)

  1474.                 {

  1475.                     audioCVIns[i] = (float*)dataLocation;

  1476.                     return;

  1477.                 }

  1478.             }

  1479. 

  1480.             for (uint32_t i=0; i < numAudioOuts; ++i)

  1481.             {

  1482.                 if (port == index++)

  1483.                 {

  1484.                     audioCVOuts[i] = (float*)dataLocation;

  1485.                     return;

  1486.                 }

  1487.             }

  1488. 

  1489.             for (uint32_t i=0; i < numCVIns; ++i)

  1490.             {

  1491.                 if (port == index++)

  1492.                 {

  1493.                     audioCVIns[numAudioIns+i] = (float*)dataLocation;

  1494.                     return;

  1495.                 }

  1496.             }

  1497. 

  1498.             for (uint32_t i=0; i < numCVOuts; ++i)

  1499.             {

  1500.                 if (port == index++)

  1501.                 {

  1502.                     audioCVOuts[numAudioOuts+i] = (float*)dataLocation;

  1503.                     return;

  1504.                 }

  1505.             }

  1506. 

  1507.             for (uint32_t i=0; i < numParams; ++i)

  1508.             {

  1509.                 if (port == index++)

  1510.                 {

  1511.                     paramsPtr[i] = (float*)dataLocation;

  1512.                     return;

  1513.                 }

  1514.             }

  1515.         }

  1516. 

  1517.         CARLA_DECLARE_NON_COPYABLE(Ports);

  1518.     } fPorts;

  1519. 

  1520.     // Rest of host<->plugin support

  1521.     struct URIDs {

  1522.         LV2_URID atomBlank;

  1523.         LV2_URID atomBool;

  1524.         LV2_URID atomObject;

  1525.         LV2_URID atomDouble;

  1526.         LV2_URID atomFloat;

  1527.         LV2_URID atomInt;

  1528.         LV2_URID atomLong;

  1529.         LV2_URID atomPath;

  1530.         LV2_URID atomSequence;

  1531.         LV2_URID atomString;

  1532.         LV2_URID atomURID;

  1533.         LV2_URID carlaFile;

  1534.         LV2_URID carlaFileAudio;

  1535.         LV2_URID carlaFileMIDI;

  1536.         LV2_URID carlaPreview;

  1537.         LV2_URID midiEvent;

  1538.         LV2_URID patchProperty;

  1539.         LV2_URID patchGet;

  1540.         LV2_URID patchSet;

  1541.         LV2_URID patchValue;

  1542.         LV2_URID timePos;

  1543.         LV2_URID timeBar;

  1544.         LV2_URID timeBarBeat;

  1545.         LV2_URID timeBeatsPerBar;

  1546.         LV2_URID timeBeatsPerMinute;

  1547.         LV2_URID timeBeatUnit;

  1548.         LV2_URID timeFrame;

  1549.         LV2_URID timeSpeed;

  1550.         LV2_URID timeTicksPerBeat;

  1551.         LV2_URID carlaRequestIdle;

  1552.         LV2_URID carlaUiEvents;

  1553. 

  1554.         URIDs()

  1555.             : atomBlank(0),

  1556.               atomBool(0),

  1557.               atomObject(0),

  1558.               atomDouble(0),

  1559.               atomFloat(0),

  1560.               atomInt(0),

  1561.               atomLong(0),

  1562.               atomPath(0),

  1563.               atomSequence(0),

  1564.               atomString(0),

  1565.               atomURID(0),

  1566.               carlaFile(0),

  1567.               carlaFileAudio(0),

  1568.               carlaFileMIDI(0),

  1569.               carlaPreview(0),

  1570.               midiEvent(0),

  1571.               patchProperty(0),

  1572.               patchGet(0),

  1573.               patchSet(0),

  1574.               patchValue(0),

  1575.               timePos(0),

  1576.               timeBar(0),

  1577.               timeBarBeat(0),

  1578.               timeBeatsPerBar(0),

  1579.               timeBeatsPerMinute(0),

  1580.               timeBeatUnit(0),

  1581.               timeFrame(0),

  1582.               timeSpeed(0),

  1583.               timeTicksPerBeat(0),

  1584.               carlaRequestIdle(0),

  1585.               carlaUiEvents(0) {}

  1586. 

  1587.         void map(const LV2_URID_Map* const uridMap)

  1588.         {

  1589.             atomBlank          = uridMap->map(uridMap->handle, LV2_ATOM__Blank);

  1590.             atomBool           = uridMap->map(uridMap->handle, LV2_ATOM__Bool);

  1591.             atomObject         = uridMap->map(uridMap->handle, LV2_ATOM__Object);

  1592.             atomDouble         = uridMap->map(uridMap->handle, LV2_ATOM__Double);

  1593.             atomFloat          = uridMap->map(uridMap->handle, LV2_ATOM__Float);

  1594.             atomInt            = uridMap->map(uridMap->handle, LV2_ATOM__Int);

  1595.             atomLong           = uridMap->map(uridMap->handle, LV2_ATOM__Long);

  1596.             atomPath           = uridMap->map(uridMap->handle, LV2_ATOM__Path);

  1597.             atomSequence       = uridMap->map(uridMap->handle, LV2_ATOM__Sequence);

  1598.             atomString         = uridMap->map(uridMap->handle, LV2_ATOM__String);

  1599.             atomURID           = uridMap->map(uridMap->handle, LV2_ATOM__URID);

  1600.             carlaFile          = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/file");

  1601.             carlaFileAudio     = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/file/audio");

  1602.             carlaFileMIDI      = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/file/midi");

  1603.             carlaPreview       = uridMap->map(uridMap->handle, "http://kxstudio.sf.net/carla/preview");

  1604.             midiEvent          = uridMap->map(uridMap->handle, LV2_MIDI__MidiEvent);

  1605.             patchProperty      = uridMap->map(uridMap->handle, LV2_PATCH__property);

  1606.             patchGet           = uridMap->map(uridMap->handle, LV2_PATCH__Get);

  1607.             patchSet           = uridMap->map(uridMap->handle, LV2_PATCH__Set);

  1608.             patchValue         = uridMap->map(uridMap->handle, LV2_PATCH__value);

  1609.             timePos            = uridMap->map(uridMap->handle, LV2_TIME__Position);

  1610.             timeBar            = uridMap->map(uridMap->handle, LV2_TIME__bar);

  1611.             timeBarBeat        = uridMap->map(uridMap->handle, LV2_TIME__barBeat);

  1612.             timeBeatUnit       = uridMap->map(uridMap->handle, LV2_TIME__beatUnit);

  1613.             timeFrame          = uridMap->map(uridMap->handle, LV2_TIME__frame);

  1614.             timeSpeed          = uridMap->map(uridMap->handle, LV2_TIME__speed);

  1615.             timeBeatsPerBar    = uridMap->map(uridMap->handle, LV2_TIME__beatsPerBar);

  1616.             timeBeatsPerMinute = uridMap->map(uridMap->handle, LV2_TIME__beatsPerMinute);

  1617.             timeTicksPerBeat   = uridMap->map(uridMap->handle, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat);

  1618.             carlaRequestIdle   = uridMap->map(uridMap->handle, "urn:carla:idle");

  1619.             carlaUiEvents      = uridMap->map(uridMap->handle, "urn:carla:uiEvents");

  1620.         }

  1621.     } fURIs;

  1622. 

  1623.     struct UI {

  1624.         const LV2_External_UI_Host* host;

  1625.         const LV2UI_Touch* touch;

  1626.         LV2UI_Write_Function writeFunction;

  1627.         LV2UI_Controller controller;

  1628.         bool isVisible;

  1629. 

  1630.         UI()

  1631.             : host(nullptr),

  1632.               touch(nullptr),

  1633.               writeFunction(nullptr),

  1634.               controller(nullptr),

  1635.               isVisible(false) {}

  1636.     } fUI;

  1637. 

  1638. private:

  1639.     // ----------------------------------------------------------------------------------------------------------------

  1640. 

  1641.     #define handlePtr ((Lv2PluginBaseClass*)handle)

  1642. 

  1643.     static void extui_run(LV2_External_UI_Widget_Compat* handle)

  1644.     {

  1645.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1646. 

  1647.         handlePtr->handleUiRun();

  1648.     }

  1649. 

  1650.     static void extui_show(LV2_External_UI_Widget_Compat* handle)

  1651.     {

  1652.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1653.         carla_debug("extui_show(%p)", handle);

  1654. 

  1655.         handlePtr->handleUiShow();

  1656.     }

  1657. 

  1658.     static void extui_hide(LV2_External_UI_Widget_Compat* handle)

  1659.     {

  1660.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1661.         carla_debug("extui_hide(%p)", handle);

  1662. 

  1663.         handlePtr->handleUiHide();

  1664.     }

  1665. 

  1666.     #undef handlePtr

  1667. 

  1668.     // ----------------------------------------------------------------------------------------------------------------

  1669. 

  1670.     void clearTimeData() noexcept;

  1671. 

  1672.     // ----------------------------------------------------------------------------------------------------------------

  1673. 

  1674.     CARLA_DECLARE_NON_COPYABLE(Lv2PluginBaseClass)

  1675. };

  1676. 

  1677. // --------------------------------------------------------------------------------------------------------------------

  1678. // Create new RDF object (using lilv)

  1679. 

  1680. static inline

  1681. const LV2_RDF_Descriptor* lv2_rdf_new(const LV2_URI uri, const bool loadPresets)

  1682. {

  1683.     CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', nullptr);

  1684. 

  1685.     Lv2WorldClass& lv2World(Lv2WorldClass::getInstance());

  1686. 

  1687.     const LilvPlugin* const cPlugin(lv2World.getPluginFromURI(uri));

  1688.     CARLA_SAFE_ASSERT_RETURN(cPlugin != nullptr, nullptr);

  1689. 

  1690.     Lilv::Plugin lilvPlugin(cPlugin);

  1691.     LV2_RDF_Descriptor* const rdfDescriptor(new LV2_RDF_Descriptor());

  1692. 

  1693.     CarlaStringList portGroupURIs(false); // does not allocate own elements

  1694.     LinkedList<LilvNode*> portGroupNodes;

  1695. 

  1696.     // ----------------------------------------------------------------------------------------------------------------

  1697.     // Set Plugin Type

  1698.     {

  1699.         Lilv::Nodes typeNodes(lilvPlugin.get_value(lv2World.rdf_type));

  1700. 

  1701.         if (typeNodes.size() > 0)

  1702.         {

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

  1704.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_ALLPASS;

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

  1706.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_AMPLIFIER;

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

  1708.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_ANALYSER;

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

  1710.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_BANDPASS;

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

  1712.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_CHORUS;

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

  1714.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_COMB;

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

  1716.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_COMPRESSOR;

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

  1718.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_CONSTANT;

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

  1720.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_CONVERTER;

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

  1722.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_DELAY;

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

  1724.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_DISTORTION;

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

  1726.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_DYNAMICS;

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

  1728.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_EQ;

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

  1730.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_ENVELOPE;

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

  1732.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_EXPANDER;

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

  1734.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_FILTER;

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

  1736.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_FLANGER;

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

  1738.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_FUNCTION;

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

  1740.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_GATE;

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

  1742.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_GENERATOR;

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

  1744.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_HIGHPASS;

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

  1746.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_INSTRUMENT;

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

  1748.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_LIMITER;

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

  1750.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_LOWPASS;

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

  1752.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_MIXER;

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

  1754.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_MODULATOR;

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

  1756.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_MULTI_EQ;

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

  1758.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_OSCILLATOR;

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

  1760.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_PARA_EQ;

  1761.             if (typeNodes.contains(lv2World.class_phaser))

  1762.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_PHASER;

  1763.             if (typeNodes.contains(lv2World.class_pitch))

  1764.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_PITCH;

  1765.             if (typeNodes.contains(lv2World.class_reverb))

  1766.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_REVERB;

  1767.             if (typeNodes.contains(lv2World.class_simulator))

  1768.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_SIMULATOR;

  1769.             if (typeNodes.contains(lv2World.class_spatial))

  1770.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_SPATIAL;

  1771.             if (typeNodes.contains(lv2World.class_spectral))

  1772.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_SPECTRAL;

  1773.             if (typeNodes.contains(lv2World.class_utility))

  1774.                 rdfDescriptor->Type[1] |= LV2_PLUGIN_UTILITY;

  1775.             if (typeNodes.contains(lv2World.class_waveshaper))

  1776.                 rdfDescriptor->Type[0] |= LV2_PLUGIN_WAVESHAPER;

  1777.         }

  1778. 

  1779.         lilv_nodes_free(const_cast<LilvNodes*>(typeNodes.me));

  1780.     }

  1781. 

  1782.     // ----------------------------------------------------------------------------------------------------------------

  1783.     // Set Plugin Information

  1784.     {

  1785.         rdfDescriptor->URI = carla_strdup(uri);

  1786. 

  1787.         if (LilvNode* const nameNode = lilv_plugin_get_name(lilvPlugin.me))

  1788.         {

  1789.             if (const char* const name = lilv_node_as_string(nameNode))

  1790.                 rdfDescriptor->Name = carla_strdup(name);

  1791.             lilv_node_free(nameNode);

  1792.         }

  1793. 

  1794.         if (const char* const author = lilvPlugin.get_author_name().as_string())

  1795.             rdfDescriptor->Author = carla_strdup(author);

  1796. 

  1797.         if (const char* const binary = lilvPlugin.get_library_uri().as_string())

  1798.             rdfDescriptor->Binary = carla_strdup_free(lilv_file_uri_parse(binary, nullptr));

  1799. 

  1800.         if (const char* const bundle = lilvPlugin.get_bundle_uri().as_string())

  1801.             rdfDescriptor->Bundle = carla_strdup_free(lilv_file_uri_parse(bundle, nullptr));

  1802. 

  1803.         Lilv::Nodes licenseNodes(lilvPlugin.get_value(lv2World.doap_license));

  1804. 

  1805.         if (licenseNodes.size() > 0)

  1806.         {

  1807.             if (const char* const license = licenseNodes.get_first().as_string())

  1808.                 rdfDescriptor->License = carla_strdup(license);

  1809.         }

  1810. 

  1811.         lilv_nodes_free(const_cast<LilvNodes*>(licenseNodes.me));

  1812.     }

  1813. 

  1814.     // ----------------------------------------------------------------------------------------------------------------

  1815.     // Set Plugin UniqueID

  1816.     {

  1817.         Lilv::Nodes replaceNodes(lilvPlugin.get_value(lv2World.dct_replaces));

  1818. 

  1819.         if (replaceNodes.size() > 0)

  1820.         {

  1821.             Lilv::Node replaceNode(replaceNodes.get_first());

  1822. 

  1823.             if (replaceNode.is_uri())

  1824.             {

  1825.                #ifdef CARLA_UTILS_USE_QT

  1826.                 const QString replaceURI(replaceNode.as_uri());

  1827. 

  1828.                 if (replaceURI.startsWith("urn:"))

  1829.                 {

  1830.                     const QString replaceId(replaceURI.split(":").last());

  1831. 

  1832.                     bool ok;

  1833.                     const ulong uniqueId(replaceId.toULong(&ok));

  1834. 

  1835.                     if (ok && uniqueId != 0)

  1836.                         rdfDescriptor->UniqueID = uniqueId;

  1837.                 }

  1838.                #else

  1839.                 const water::String replaceURI(replaceNode.as_uri());

  1840. 

  1841.                 if (replaceURI.startsWith("urn:"))

  1842.                 {

  1843.                     const int uniqueId(replaceURI.getTrailingIntValue());

  1844. 

  1845.                     if (uniqueId > 0)

  1846.                         rdfDescriptor->UniqueID = static_cast<ulong>(uniqueId);

  1847.                 }

  1848.                #endif

  1849.             }

  1850.         }

  1851. 

  1852.         lilv_nodes_free(const_cast<LilvNodes*>(replaceNodes.me));

  1853.     }

  1854. 

  1855.     // ----------------------------------------------------------------------------------------------------------------

  1856.     // Set Plugin Ports

  1857. 

  1858.     if (const uint numPorts = lilvPlugin.get_num_ports())

  1859.     {

  1860.         rdfDescriptor->PortCount = numPorts;

  1861.         rdfDescriptor->Ports = new LV2_RDF_Port[numPorts];

  1862. 

  1863.         for (uint i = 0; i < numPorts; ++i)

  1864.         {

  1865.             Lilv::Port lilvPort(lilvPlugin.get_port_by_index(i));

  1866.             CARLA_SAFE_ASSERT_CONTINUE(lilvPort.me != nullptr);

  1867. 

  1868.             LV2_RDF_Port* const rdfPort(&rdfDescriptor->Ports[i]);

  1869. 

  1870.             // --------------------------------------------------------------------------------------------------------

  1871.             // Set Port Information

  1872.             {

  1873.                 if (LilvNode* const nameNode = lilv_port_get_name(lilvPlugin.me, lilvPort.me))

  1874.                 {

  1875.                     if (const char* const name = lilv_node_as_string(nameNode))

  1876.                         rdfPort->Name = carla_strdup(name);

  1877.                     lilv_node_free(nameNode);

  1878.                 }

  1879. 

  1880.                 if (const char* const symbol = lilv_node_as_string(lilvPort.get_symbol()))

  1881.                     rdfPort->Symbol = carla_strdup(symbol);

  1882. 

  1883.                 if (LilvNode* const commentNode = lilvPort.get(lv2World.rdfs_comment.me))

  1884.                 {

  1885.                     rdfPort->Comment = carla_strdup(lilv_node_as_string(commentNode));

  1886.                     lilv_node_free(commentNode);

  1887.                 }

  1888. 

  1889.                 if (LilvNode* const groupNode = lilvPort.get(lv2World.pg_group.me))

  1890.                 {

  1891.                     rdfPort->GroupURI = carla_strdup(lilv_node_as_uri(groupNode));

  1892. 

  1893.                     if (portGroupURIs.appendUnique(rdfPort->GroupURI))

  1894.                         portGroupNodes.append(groupNode);

  1895.                     else

  1896.                         lilv_node_free(groupNode);

  1897.                 }

  1898.             }

  1899. 

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

  1901.             // Set Port Mode and Type

  1902.             {

  1903.                 // Input or Output

  1904.                 /**/ if (lilvPort.is_a(lv2World.port_input))

  1905.                     rdfPort->Types |= LV2_PORT_INPUT;

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

  1907.                     rdfPort->Types |= LV2_PORT_OUTPUT;

  1908.                 else

  1909.                     carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is not input or output", uri, rdfPort->Name);

  1910. 

  1911.                 // Data Type

  1912.                 /**/ if (lilvPort.is_a(lv2World.port_control))

  1913.                 {

  1914.                     rdfPort->Types |= LV2_PORT_CONTROL;

  1915.                 }

  1916.                 else if (lilvPort.is_a(lv2World.port_audio))

  1917.                 {

  1918.                     rdfPort->Types |= LV2_PORT_AUDIO;

  1919.                 }

  1920.                 else if (lilvPort.is_a(lv2World.port_cv))

  1921.                 {

  1922.                     rdfPort->Types |= LV2_PORT_CV;

  1923.                 }

  1924.                 else if (lilvPort.is_a(lv2World.port_atom))

  1925.                 {

  1926.                     rdfPort->Types |= LV2_PORT_ATOM;

  1927. 

  1928.                     Lilv::Nodes bufferTypeNodes(lilvPort.get_value(lv2World.atom_bufferType));

  1929. 

  1930.                     for (LilvIter* it = lilv_nodes_begin(bufferTypeNodes.me); ! lilv_nodes_is_end(bufferTypeNodes.me, it); it = lilv_nodes_next(bufferTypeNodes.me, it))

  1931.                     {

  1932.                         const Lilv::Node node(lilv_nodes_get(bufferTypeNodes.me, it));

  1933.                         CARLA_SAFE_ASSERT_CONTINUE(node.is_uri());

  1934. 

  1935.                         if (node.equals(lv2World.atom_sequence))

  1936.                             rdfPort->Types |= LV2_PORT_ATOM_SEQUENCE;

  1937.                         else

  1938.                             carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses an unknown atom buffer type '%s'", uri, rdfPort->Name, node.as_uri());

  1939.                     }

  1940. 

  1941.                     Lilv::Nodes supportNodes(lilvPort.get_value(lv2World.atom_supports));

  1942. 

  1943.                     for (LilvIter* it = lilv_nodes_begin(supportNodes.me); ! lilv_nodes_is_end(supportNodes.me, it); it = lilv_nodes_next(supportNodes.me, it))

  1944.                     {

  1945.                         const Lilv::Node node(lilv_nodes_get(supportNodes.me, it));

  1946.                         CARLA_SAFE_ASSERT_CONTINUE(node.is_uri());

  1947. 

  1948.                         /**/ if (node.equals(lv2World.midi_event))

  1949.                             rdfPort->Types |= LV2_PORT_DATA_MIDI_EVENT;

  1950. 

  1951.                         else if (node.equals(lv2World.patch_message))

  1952.                             rdfPort->Types |= LV2_PORT_DATA_PATCH_MESSAGE;

  1953. 

  1954.                         else if (node.equals(lv2World.time_position))

  1955.                             rdfPort->Types |= LV2_PORT_DATA_TIME_POSITION;

  1956. 

  1957. #if 0

  1958.                         // something new we don't support yet?

  1959.                         else if (std::strstr(node.as_uri(), "lv2plug.in/") != nullptr)

  1960.                             carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is of atom type but has unsupported data '%s'", uri, rdfPort->Name, node.as_uri());

  1961. #endif

  1962.                     }

  1963. 

  1964.                     lilv_nodes_free(const_cast<LilvNodes*>(bufferTypeNodes.me));

  1965.                     lilv_nodes_free(const_cast<LilvNodes*>(supportNodes.me));

  1966.                 }

  1967.                 else if (lilvPort.is_a(lv2World.port_event))

  1968.                 {

  1969.                     rdfPort->Types |= LV2_PORT_EVENT;

  1970.                     bool supported  = false;

  1971. 

  1972.                     if (lilvPort.supports_event(lv2World.midi_event))

  1973.                     {

  1974.                         rdfPort->Types |= LV2_PORT_DATA_MIDI_EVENT;

  1975.                         supported = true;

  1976.                     }

  1977.                     if (lilvPort.supports_event(lv2World.patch_message))

  1978.                     {

  1979.                         rdfPort->Types |= LV2_PORT_DATA_PATCH_MESSAGE;

  1980.                         supported = true;

  1981.                     }

  1982.                     if (lilvPort.supports_event(lv2World.time_position))

  1983.                     {

  1984.                         rdfPort->Types |= LV2_PORT_DATA_TIME_POSITION;

  1985.                         supported = true;

  1986.                     }

  1987. 

  1988.                     if (! supported)

  1989.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is of event type but has unsupported data", uri, rdfPort->Name);

  1990.                 }

  1991.                 else if (lilvPort.is_a(lv2World.port_midi))

  1992.                 {

  1993.                     rdfPort->Types |= LV2_PORT_MIDI_LL;

  1994.                     rdfPort->Types |= LV2_PORT_DATA_MIDI_EVENT;

  1995.                 }

  1996.                 else

  1997.                     carla_stderr("lv2_rdf_new(\"%s\") - port '%s' is of unknown data type", uri, rdfPort->Name);

  1998.             }

  1999. 

  2000.             // --------------------------------------------------------------------------------------------------------

  2001.             // Set Port Properties

  2002.             {

  2003.                 if (lilvPort.has_property(lv2World.pprop_optional))

  2004.                     rdfPort->Properties |= LV2_PORT_OPTIONAL;

  2005.                 if (lilvPort.has_property(lv2World.pprop_enumeration))

  2006.                     rdfPort->Properties |= LV2_PORT_ENUMERATION;

  2007.                 if (lilvPort.has_property(lv2World.pprop_integer))

  2008.                     rdfPort->Properties |= LV2_PORT_INTEGER;

  2009.                 if (lilvPort.has_property(lv2World.pprop_isSideChain))

  2010.                     rdfPort->Properties |= LV2_PORT_SIDECHAIN;

  2011.                 if (lilvPort.has_property(lv2World.pprop_sampleRate))

  2012.                     rdfPort->Properties |= LV2_PORT_SAMPLE_RATE;

  2013.                 if (lilvPort.has_property(lv2World.pprop_toggled))

  2014.                     rdfPort->Properties |= LV2_PORT_TOGGLED;

  2015. 

  2016.                 if (lilvPort.has_property(lv2World.pprop_artifacts))

  2017.                     rdfPort->Properties |= LV2_PORT_CAUSES_ARTIFACTS;

  2018.                 if (lilvPort.has_property(lv2World.pprop_continuousCV))

  2019.                     rdfPort->Properties |= LV2_PORT_CONTINUOUS_CV;

  2020.                 if (lilvPort.has_property(lv2World.pprop_discreteCV))

  2021.                     rdfPort->Properties |= LV2_PORT_DISCRETE_CV;

  2022.                 if (lilvPort.has_property(lv2World.pprop_expensive))

  2023.                     rdfPort->Properties |= LV2_PORT_EXPENSIVE;

  2024.                 if (lilvPort.has_property(lv2World.pprop_strictBounds))

  2025.                     rdfPort->Properties |= LV2_PORT_STRICT_BOUNDS;

  2026.                 if (lilvPort.has_property(lv2World.pprop_logarithmic))

  2027.                     rdfPort->Properties |= LV2_PORT_LOGARITHMIC;

  2028.                 if (lilvPort.has_property(lv2World.pprop_notAutomatic))

  2029.                     rdfPort->Properties |= LV2_PORT_NOT_AUTOMATIC;

  2030.                 if (lilvPort.has_property(lv2World.pprop_notOnGUI))

  2031.                     rdfPort->Properties |= LV2_PORT_NOT_ON_GUI;

  2032.                 if (lilvPort.has_property(lv2World.pprop_trigger))

  2033.                     rdfPort->Properties |= LV2_PORT_TRIGGER;

  2034.                 if (lilvPort.has_property(lv2World.pprop_nonAutomatable))

  2035.                     rdfPort->Properties |= LV2_PORT_NON_AUTOMATABLE;

  2036. 

  2037.                 if (lilvPort.has_property(lv2World.reportsLatency))

  2038.                     rdfPort->Designation = LV2_PORT_DESIGNATION_LATENCY;

  2039. 

  2040.                 // check if sidechain (some plugins use sidechain groups instead of isSidechain)

  2041.                 if (LilvNode* const portGroupNode = lilvPort.get(lv2World.pg_group.me))

  2042.                 {

  2043.                     if (LilvNode* const portSideChainOfNode = lilv_world_get(lv2World.me, portGroupNode,

  2044.                                                                              lv2World.pg_sideChainOf.me, nullptr))

  2045.                     {

  2046.                         rdfPort->Properties |= LV2_PORT_SIDECHAIN;

  2047.                         lilv_node_free(portSideChainOfNode);

  2048.                     }

  2049.                     lilv_node_free(portGroupNode);

  2050.                 }

  2051. 

  2052.                 // no port properties set, check if using old/invalid ones

  2053.                 if (rdfPort->Properties == 0x0)

  2054.                 {

  2055.                     const Lilv::Node oldPropArtifacts(lv2World.new_uri(NS_devp "causesArtifacts"));

  2056.                     const Lilv::Node oldPropContinuousCV(lv2World.new_uri(NS_devp "continuousCV"));

  2057.                     const Lilv::Node oldPropDiscreteCV(lv2World.new_uri(NS_devp "discreteCV"));

  2058.                     const Lilv::Node oldPropExpensive(lv2World.new_uri(NS_devp "expensive"));

  2059.                     const Lilv::Node oldPropStrictBounds(lv2World.new_uri(NS_devp "hasStrictBounds"));

  2060.                     const Lilv::Node oldPropLogarithmic(lv2World.new_uri(NS_devp "logarithmic"));

  2061.                     const Lilv::Node oldPropNotAutomatic(lv2World.new_uri(NS_devp "notAutomatic"));

  2062.                     const Lilv::Node oldPropNotOnGUI(lv2World.new_uri(NS_devp "notOnGUI"));

  2063.                     const Lilv::Node oldPropTrigger(lv2World.new_uri(NS_devp "trigger"));

  2064. 

  2065.                     if (lilvPort.has_property(oldPropArtifacts))

  2066.                     {

  2067.                         rdfPort->Properties |= LV2_PORT_CAUSES_ARTIFACTS;

  2068.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'causesArtifacts'", uri, rdfPort->Name);

  2069.                     }

  2070.                     if (lilvPort.has_property(oldPropContinuousCV))

  2071.                     {

  2072.                         rdfPort->Properties |= LV2_PORT_CONTINUOUS_CV;

  2073.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'continuousCV'", uri, rdfPort->Name);

  2074.                     }

  2075.                     if (lilvPort.has_property(oldPropDiscreteCV))

  2076.                     {

  2077.                         rdfPort->Properties |= LV2_PORT_DISCRETE_CV;

  2078.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'discreteCV'", uri, rdfPort->Name);

  2079.                     }

  2080.                     if (lilvPort.has_property(oldPropExpensive))

  2081.                     {

  2082.                         rdfPort->Properties |= LV2_PORT_EXPENSIVE;

  2083.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'expensive'", uri, rdfPort->Name);

  2084.                     }

  2085.                     if (lilvPort.has_property(oldPropStrictBounds))

  2086.                     {

  2087.                         rdfPort->Properties |= LV2_PORT_STRICT_BOUNDS;

  2088.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'hasStrictBounds'", uri, rdfPort->Name);

  2089.                     }

  2090.                     if (lilvPort.has_property(oldPropLogarithmic))

  2091.                     {

  2092.                         rdfPort->Properties |= LV2_PORT_LOGARITHMIC;

  2093.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'logarithmic'", uri, rdfPort->Name);

  2094.                     }

  2095.                     if (lilvPort.has_property(oldPropNotAutomatic))

  2096.                     {

  2097.                         rdfPort->Properties |= LV2_PORT_NOT_AUTOMATIC;

  2098.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'notAutomatic'", uri, rdfPort->Name);

  2099.                     }

  2100.                     if (lilvPort.has_property(oldPropNotOnGUI))

  2101.                     {

  2102.                         rdfPort->Properties |= LV2_PORT_NOT_ON_GUI;

  2103.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'notOnGUI'", uri, rdfPort->Name);

  2104.                     }

  2105.                     if (lilvPort.has_property(oldPropTrigger))

  2106.                     {

  2107.                         rdfPort->Properties |= LV2_PORT_TRIGGER;

  2108.                         carla_stderr("lv2_rdf_new(\"%s\") - port '%s' uses old/invalid LV2 property for 'trigger'", uri, rdfPort->Name);

  2109.                     }

  2110.                 }

  2111.             }

  2112. 

  2113.             // --------------------------------------------------------------------------------------------------------

  2114.             // Set Port Designation

  2115.             {

  2116.                 if (LilvNode* const designationNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.designation.me))

  2117.                 {

  2118.                     if (const char* const designation = lilv_node_as_string(designationNode))

  2119.                     {

  2120.                         /**/ if (std::strcmp(designation, LV2_CORE__control) == 0)

  2121.                             rdfPort->Designation = LV2_PORT_DESIGNATION_CONTROL;

  2122.                         else if (std::strcmp(designation, LV2_CORE__enabled) == 0)

  2123.                             rdfPort->Designation = LV2_PORT_DESIGNATION_ENABLED;

  2124.                         else if (std::strcmp(designation, LV2_CORE__freeWheeling) == 0)

  2125.                             rdfPort->Designation = LV2_PORT_DESIGNATION_FREEWHEELING;

  2126.                         else if (std::strcmp(designation, LV2_CORE__latency) == 0)

  2127.                             rdfPort->Designation = LV2_PORT_DESIGNATION_LATENCY;

  2128.                         else if (std::strcmp(designation, LV2_PARAMETERS__sampleRate) == 0)

  2129.                             rdfPort->Designation = LV2_PORT_DESIGNATION_SAMPLE_RATE;

  2130.                         else if (std::strcmp(designation, LV2_TIME__bar) == 0)

  2131.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BAR;

  2132.                         else if (std::strcmp(designation, LV2_TIME__barBeat) == 0)

  2133.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BAR_BEAT;

  2134.                         else if (std::strcmp(designation, LV2_TIME__beat) == 0)

  2135.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEAT;

  2136.                         else if (std::strcmp(designation, LV2_TIME__beatUnit) == 0)

  2137.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEAT_UNIT;

  2138.                         else if (std::strcmp(designation, LV2_TIME__beatsPerBar) == 0)

  2139.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR;

  2140.                         else if (std::strcmp(designation, LV2_TIME__beatsPerMinute) == 0)

  2141.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE;

  2142.                         else if (std::strcmp(designation, LV2_TIME__frame) == 0)

  2143.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_FRAME;

  2144.                         else if (std::strcmp(designation, LV2_TIME__framesPerSecond) == 0)

  2145.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND;

  2146.                         else if (std::strcmp(designation, LV2_TIME__speed) == 0)

  2147.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_SPEED;

  2148.                         else if (std::strcmp(designation, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat) == 0)

  2149.                             rdfPort->Designation = LV2_PORT_DESIGNATION_TIME_TICKS_PER_BEAT;

  2150.                         else if (std::strncmp(designation, LV2_PARAMETERS_PREFIX, std::strlen(LV2_PARAMETERS_PREFIX)) == 0)

  2151.                             pass();

  2152.                         else if (std::strncmp(designation, LV2_PORT_GROUPS_PREFIX, std::strlen(LV2_PORT_GROUPS_PREFIX)) == 0)

  2153.                             pass();

  2154.                         else

  2155.                             carla_stderr("lv2_rdf_new(\"%s\") - got unknown port designation '%s'", uri, designation);

  2156.                     }

  2157.                     lilv_node_free(designationNode);

  2158.                 }

  2159.             }

  2160. 

  2161.             // --------------------------------------------------------------------------------------------------------

  2162.             // Set Port MIDI Map

  2163. 

  2164.             if (LilvNode* const bindingNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.midi_binding.me))

  2165.             {

  2166.                 if (lilv_node_is_string(bindingNode))

  2167.                 {

  2168.                     if (const char* const bindingAsString = lilv_node_as_string(bindingNode))

  2169.                     {

  2170.                         if (std::strncmp(bindingAsString, "B0", 2) == 0 && std::strlen(bindingAsString) == 6)

  2171.                         {

  2172.                             const char binding[3] = { bindingAsString[2], bindingAsString[3], '\0' };

  2173.                             const long number = std::strtol(binding, nullptr, 16);

  2174. 

  2175.                             if (number >= 0 && number <= 0xff)

  2176.                             {

  2177.                                 rdfPort->MidiMap.Type = LV2_PORT_MIDI_MAP_CC;

  2178.                                 rdfPort->MidiMap.Number = static_cast<uint32_t>(number);

  2179.                             }

  2180.                         }

  2181.                     }

  2182.                 }

  2183.                 else

  2184.                 {

  2185.                     if (lilv_node_is_blank(bindingNode))

  2186.                     {

  2187.                         Lilv::Nodes ctrlNumNodes(lv2World.find_nodes(bindingNode, lv2World.midi_ctlrNumber, nullptr));

  2188. 

  2189.                         if (ctrlNumNodes.size() == 1)

  2190.                         {

  2191.                             const int midiCC = ctrlNumNodes.get_first().as_int();

  2192. 

  2193.                             if (midiCC >= 0 && midiCC <= 0xff)

  2194.                             {

  2195.                                 rdfPort->MidiMap.Type = LV2_PORT_MIDI_MAP_CC;

  2196.                                 rdfPort->MidiMap.Number = static_cast<uint32_t>(midiCC);

  2197.                             }

  2198.                         }

  2199. 

  2200.                         lilv_nodes_free(const_cast<LilvNodes*>(ctrlNumNodes.me));

  2201.                     }

  2202.                 }

  2203. 

  2204.                 lilv_node_free(bindingNode);

  2205.             }

  2206.             else if (LilvNode* const midiMapNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.mm_defaultControl.me))

  2207.             {

  2208.                 if (lilv_node_is_blank(midiMapNode))

  2209.                 {

  2210.                     Lilv::Nodes midiMapTypeNodes(lv2World.find_nodes(midiMapNode, lv2World.mm_controlType, nullptr));

  2211.                     Lilv::Nodes midiMapNumberNodes(lv2World.find_nodes(midiMapNode, lv2World.mm_controlNumber, nullptr));

  2212. 

  2213.                     if (midiMapTypeNodes.size() == 1 && midiMapNumberNodes.size() == 1)

  2214.                     {

  2215.                         if (const char* const midiMapType = midiMapTypeNodes.get_first().as_string())

  2216.                         {

  2217.                             /**/ if (std::strcmp(midiMapType, LV2_MIDI_Map__CC) == 0)

  2218.                                 rdfPort->MidiMap.Type = LV2_PORT_MIDI_MAP_CC;

  2219.                             else if (std::strcmp(midiMapType, LV2_MIDI_Map__NRPN) == 0)

  2220.                                 rdfPort->MidiMap.Type = LV2_PORT_MIDI_MAP_NRPN;

  2221.                             else

  2222.                                 carla_stderr("lv2_rdf_new(\"%s\") - got unknown port Midi-Map type '%s'", uri, midiMapType);

  2223. 

  2224.                             rdfPort->MidiMap.Number = static_cast<uint32_t>(midiMapNumberNodes.get_first().as_int());

  2225.                         }

  2226.                     }

  2227. 

  2228.                     lilv_nodes_free(const_cast<LilvNodes*>(midiMapTypeNodes.me));

  2229.                     lilv_nodes_free(const_cast<LilvNodes*>(midiMapNumberNodes.me));

  2230.                 }

  2231. 

  2232.                 lilv_node_free(midiMapNode);

  2233.             }

  2234. 

  2235.             // --------------------------------------------------------------------------------------------------------

  2236.             // Set Port Points

  2237.             {

  2238.                 if (LilvNode* const defNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.value_default.me))

  2239.                 {

  2240.                     rdfPort->Points.Hints  |= LV2_PORT_POINT_DEFAULT;

  2241.                     rdfPort->Points.Default = lilv_node_as_float(defNode);

  2242.                     lilv_node_free(defNode);

  2243.                 }

  2244. 

  2245.                 if (LilvNode* const minNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.value_minimum.me))

  2246.                 {

  2247.                     rdfPort->Points.Hints  |= LV2_PORT_POINT_MINIMUM;

  2248.                     rdfPort->Points.Minimum = lilv_node_as_float(minNode);

  2249.                     lilv_node_free(minNode);

  2250.                 }

  2251. 

  2252.                 if (LilvNode* const maxNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.value_maximum.me))

  2253.                 {

  2254.                     rdfPort->Points.Hints  |= LV2_PORT_POINT_MAXIMUM;

  2255.                     rdfPort->Points.Maximum = lilv_node_as_float(maxNode);

  2256.                     lilv_node_free(maxNode);

  2257.                 }

  2258.             }

  2259. 

  2260.             // --------------------------------------------------------------------------------------------------------

  2261.             // Set Port Unit

  2262.             {

  2263.                 if (LilvNode* const unitUnitNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.unit_unit.me))

  2264.                 {

  2265.                     if (lilv_node_is_uri(unitUnitNode))

  2266.                     {

  2267.                         if (const char* const unitUnit = lilv_node_as_uri(unitUnitNode))

  2268.                         {

  2269.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_UNIT;

  2270. 

  2271.                             /**/ if (std::strcmp(unitUnit, LV2_UNITS__bar) == 0)

  2272.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_BAR;

  2273.                             else if (std::strcmp(unitUnit, LV2_UNITS__beat) == 0)

  2274.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_BEAT;

  2275.                             else if (std::strcmp(unitUnit, LV2_UNITS__bpm) == 0)

  2276.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_BPM;

  2277.                             else if (std::strcmp(unitUnit, LV2_UNITS__cent) == 0)

  2278.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_CENT;

  2279.                             else if (std::strcmp(unitUnit, LV2_UNITS__cm) == 0)

  2280.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_CM;

  2281.                             else if (std::strcmp(unitUnit, LV2_UNITS__coef) == 0)

  2282.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_COEF;

  2283.                             else if (std::strcmp(unitUnit, LV2_UNITS__db) == 0)

  2284.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_DB;

  2285.                             else if (std::strcmp(unitUnit, LV2_UNITS__degree) == 0)

  2286.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_DEGREE;

  2287.                             else if (std::strcmp(unitUnit, LV2_UNITS__frame) == 0)

  2288.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_FRAME;

  2289.                             else if (std::strcmp(unitUnit, LV2_UNITS__hz) == 0)

  2290.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_HZ;

  2291.                             else if (std::strcmp(unitUnit, LV2_UNITS__inch) == 0)

  2292.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_INCH;

  2293.                             else if (std::strcmp(unitUnit, LV2_UNITS__khz) == 0)

  2294.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_KHZ;

  2295.                             else if (std::strcmp(unitUnit, LV2_UNITS__km) == 0)

  2296.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_KM;

  2297.                             else if (std::strcmp(unitUnit, LV2_UNITS__m) == 0)

  2298.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_M;

  2299.                             else if (std::strcmp(unitUnit, LV2_UNITS__mhz) == 0)

  2300.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MHZ;

  2301.                             else if (std::strcmp(unitUnit, LV2_UNITS__midiNote) == 0)

  2302.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MIDINOTE;

  2303.                             else if (std::strcmp(unitUnit, LV2_UNITS__mile) == 0)

  2304.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MILE;

  2305.                             else if (std::strcmp(unitUnit, LV2_UNITS__min) == 0)

  2306.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MIN;

  2307.                             else if (std::strcmp(unitUnit, LV2_UNITS__mm) == 0)

  2308.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MM;

  2309.                             else if (std::strcmp(unitUnit, LV2_UNITS__ms) == 0)

  2310.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_MS;

  2311.                             else if (std::strcmp(unitUnit, LV2_UNITS__oct) == 0)

  2312.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_OCT;

  2313.                             else if (std::strcmp(unitUnit, LV2_UNITS__pc) == 0)

  2314.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_PC;

  2315.                             else if (std::strcmp(unitUnit, LV2_UNITS__s) == 0)

  2316.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_S;

  2317.                             else if (std::strcmp(unitUnit, LV2_UNITS__semitone12TET) == 0)

  2318.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_SEMITONE;

  2319.                             else if (std::strcmp(unitUnit, "http://moddevices.com/ns/mod#volts") == 0)

  2320.                                 rdfPort->Unit.Unit = LV2_PORT_UNIT_VOLTS;

  2321.                             else

  2322.                                 carla_stderr("lv2_rdf_new(\"%s\") - got unknown unit '%s'", uri, unitUnit);

  2323.                         }

  2324.                     }

  2325. 

  2326.                     if (LilvNode* const unitNameNode = lilv_world_get(lv2World.me, unitUnitNode, lv2World.unit_name.me, nullptr))

  2327.                     {

  2328.                         if (const char* const unitName = lilv_node_as_string(unitNameNode))

  2329.                         {

  2330.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_NAME;

  2331.                             rdfPort->Unit.Name   = carla_strdup(unitName);

  2332.                         }

  2333.                         lilv_node_free(unitNameNode);

  2334.                     }

  2335. 

  2336.                     if (LilvNode* const unitRenderNode = lilv_world_get(lv2World.me, unitUnitNode, lv2World.unit_render.me, nullptr))

  2337.                     {

  2338.                         if (const char* const unitRender = lilv_node_as_string(unitRenderNode))

  2339.                         {

  2340.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_RENDER;

  2341.                             rdfPort->Unit.Render = carla_strdup(unitRender);

  2342.                         }

  2343.                         lilv_node_free(unitRenderNode);

  2344.                     }

  2345. 

  2346.                     if (LilvNode* const unitSymbolNode = lilv_world_get(lv2World.me, unitUnitNode, lv2World.unit_symbol.me, nullptr))

  2347.                     {

  2348.                         if (const char* const unitSymbol = lilv_node_as_string(unitSymbolNode))

  2349.                         {

  2350.                             rdfPort->Unit.Hints |= LV2_PORT_UNIT_SYMBOL;

  2351.                             rdfPort->Unit.Symbol = carla_strdup(unitSymbol);

  2352.                         }

  2353.                         lilv_node_free(unitSymbolNode);

  2354.                     }

  2355. 

  2356.                     lilv_node_free(unitUnitNode);

  2357.                 }

  2358.             }

  2359. 

  2360.             // --------------------------------------------------------------------------------------------------------

  2361.             // Set Port Minimum Size

  2362.             {

  2363.                 if (LilvNode* const minimumSizeNode = lilv_port_get(lilvPort.parent, lilvPort.me, lv2World.rz_minSize.me))

  2364.                 {

  2365.                     const int minimumSize(lilv_node_as_int(minimumSizeNode));

  2366. 

  2367.                     if (minimumSize > 0)

  2368.                         rdfPort->MinimumSize = static_cast<uint32_t>(minimumSize);

  2369.                     else

  2370.                         carla_safe_assert_int("minimumSize > 0", __FILE__, __LINE__, minimumSize);

  2371. 

  2372.                     lilv_node_free(minimumSizeNode);

  2373.                 }

  2374.             }

  2375. 

  2376.             // --------------------------------------------------------------------------------------------------------

  2377.             // Set Port Scale Points

  2378.             {

  2379.                 Lilv::ScalePoints lilvScalePoints(lilvPort.get_scale_points());

  2380. 

  2381.                 if (const uint numScalePoints = lilvScalePoints.size())

  2382.                 {

  2383.                     rdfPort->ScalePoints = new LV2_RDF_PortScalePoint[numScalePoints];

  2384. 

  2385.                     // get all scalepoints and sort them by value

  2386.                     LilvScalePointMap sortedpoints;

  2387. 

  2388.                     LILV_FOREACH(scale_points, it, lilvScalePoints)

  2389.                     {

  2390.                         Lilv::ScalePoint lilvScalePoint(lilvScalePoints.get(it));

  2391. 

  2392.                         CARLA_SAFE_ASSERT_CONTINUE(lilvScalePoint.get_label() != nullptr);

  2393. 

  2394.                         if (const LilvNode* const valuenode = lilvScalePoint.get_value())

  2395.                         {

  2396.                             const double valueid = lilv_node_as_float(valuenode);

  2397.                             sortedpoints[valueid] = lilvScalePoint.me;

  2398.                         }

  2399.                     }

  2400. 

  2401.                     // now safe to store, sorted by using std::map

  2402.                     uint numUsed = 0;

  2403.                     for (LilvScalePointMap::iterator it=sortedpoints.begin(), end=sortedpoints.end(); it != end; ++it)

  2404.                     {

  2405.                         CARLA_SAFE_ASSERT_BREAK(numUsed < numScalePoints);

  2406.                         LV2_RDF_PortScalePoint* const rdfScalePoint(&rdfPort->ScalePoints[numUsed++]);

  2407. 

  2408.                         const LilvScalePoint* const scalepoint = it->second;

  2409. 

  2410.                         const LilvNode* const xlabel = lilv_scale_point_get_label(scalepoint);

  2411.                         const LilvNode* const xvalue = lilv_scale_point_get_value(scalepoint);

  2412. 

  2413.                         rdfScalePoint->Label = carla_strdup(lilv_node_as_string(xlabel));

  2414.                         rdfScalePoint->Value = lilv_node_as_float(xvalue);

  2415.                     }

  2416. 

  2417.                     rdfPort->ScalePointCount = numUsed;

  2418.                 }

  2419. 

  2420.                 lilv_nodes_free(const_cast<LilvNodes*>(lilvScalePoints.me));

  2421.             }

  2422.         }

  2423.     }

  2424. 

  2425.     // ----------------------------------------------------------------------------------------------------------------

  2426.     // Set Plugin Parameters

  2427.     {

  2428.         std::map<std::string, LV2_RDF_Parameter> parameters;

  2429.         Lilv::Nodes patchReadableNodes(lilvPlugin.get_value(lv2World.patch_readable));

  2430.         Lilv::Nodes patchWritableNodes(lilvPlugin.get_value(lv2World.patch_writable));

  2431. 

  2432.         if (const uint numParameters = patchWritableNodes.size())

  2433.         {

  2434.             uint numUsed = 0;

  2435.             LILV_FOREACH(nodes, it, patchWritableNodes)

  2436.             {

  2437.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numParameters);

  2438. 

  2439.                 Lilv::Node patchWritableNode(patchWritableNodes.get(it));

  2440. 

  2441.                 if (LilvNode* const typeNode = lilv_world_get(lv2World.me, patchWritableNode,

  2442.                                                               lv2World.rdf_type.me, nullptr))

  2443.                 {

  2444.                     const char* const type = lilv_node_as_uri(typeNode);

  2445. 

  2446.                     if (std::strcmp(type, LV2_CORE__Parameter) != 0)

  2447.                     {

  2448.                         lilv_node_free(typeNode);

  2449.                         continue;

  2450.                     }

  2451. 

  2452.                     lilv_node_free(typeNode);

  2453.                 }

  2454.                 else

  2455.                 {

  2456.                     continue;

  2457.                 }

  2458. 

  2459.                 CARLA_SAFE_ASSERT_CONTINUE(patchWritableNode.is_uri());

  2460. 

  2461.                 ++numUsed;

  2462.                 LV2_RDF_Parameter rdfParam;

  2463.                 rdfParam.URI = carla_strdup(patchWritableNode.as_uri());

  2464.                 rdfParam.Flags = LV2_PARAMETER_FLAG_INPUT;

  2465. 

  2466.                 if (patchReadableNodes.contains(patchWritableNode))

  2467.                     rdfParam.Flags |= LV2_PARAMETER_FLAG_OUTPUT;

  2468. 

  2469.                 // ----------------------------------------------------------------------------------------------------

  2470.                 // Set Basics

  2471. 

  2472.                 if (LilvNode* const rangeNode = lilv_world_get(lv2World.me, patchWritableNode,

  2473.                                                                lv2World.rdfs_range.me, nullptr))

  2474.                 {

  2475.                     const char* const rangeURI = lilv_node_as_string(rangeNode);

  2476. 

  2477.                     /**/ if (std::strcmp(rangeURI, LV2_ATOM__Bool) == 0)

  2478.                         rdfParam.Type = LV2_PARAMETER_TYPE_BOOL;

  2479.                     else if (std::strcmp(rangeURI, LV2_ATOM__Int) == 0)

  2480.                         rdfParam.Type = LV2_PARAMETER_TYPE_INT;

  2481.                     else if (std::strcmp(rangeURI, LV2_ATOM__Long) == 0)

  2482.                         rdfParam.Type = LV2_PARAMETER_TYPE_LONG;

  2483.                     else if (std::strcmp(rangeURI, LV2_ATOM__Float) == 0)

  2484.                         rdfParam.Type = LV2_PARAMETER_TYPE_FLOAT;

  2485.                     else if (std::strcmp(rangeURI, LV2_ATOM__Double) == 0)

  2486.                         rdfParam.Type = LV2_PARAMETER_TYPE_DOUBLE;

  2487.                     else if (std::strcmp(rangeURI, LV2_ATOM__Path) == 0)

  2488.                         rdfParam.Type = LV2_PARAMETER_TYPE_PATH;

  2489.                     else if (std::strcmp(rangeURI, LV2_ATOM__String) == 0)

  2490.                         rdfParam.Type = LV2_PARAMETER_TYPE_STRING;

  2491.                     else

  2492.                         carla_stderr("lv2_rdf_new(\"%s\") - got unknown parameter type '%s'", uri, rangeURI);

  2493. 

  2494.                     lilv_node_free(rangeNode);

  2495.                 }

  2496. 

  2497.                 if (LilvNode* const labelNode = lilv_world_get(lv2World.me, patchWritableNode,

  2498.                                                                lv2World.rdfs_label.me, nullptr))

  2499.                 {

  2500.                     rdfParam.Label = carla_strdup(lilv_node_as_string(labelNode));

  2501.                     lilv_node_free(labelNode);

  2502.                 }

  2503. 

  2504.                 if (LilvNode* const commentNode = lilv_world_get(lv2World.me, patchWritableNode,

  2505.                                                                  lv2World.rdfs_comment.me, nullptr))

  2506.                 {

  2507.                     rdfParam.Comment = carla_strdup_safe(lilv_node_as_string(commentNode));

  2508.                     lilv_node_free(commentNode);

  2509.                 }

  2510. 

  2511.                 if (LilvNode* const groupNode = lilv_world_get(lv2World.me, patchWritableNode,

  2512.                                                                lv2World.pg_group.me, nullptr))

  2513.                 {

  2514.                     rdfParam.GroupURI = carla_strdup_safe(lilv_node_as_uri(groupNode));

  2515. 

  2516.                     if (portGroupURIs.appendUnique(rdfParam.GroupURI))

  2517.                         portGroupNodes.append(groupNode);

  2518.                     else

  2519.                         lilv_node_free(groupNode);

  2520.                 }

  2521. 

  2522.                 // ----------------------------------------------------------------------------------------------------

  2523.                 // Set Port MIDI Map

  2524. 

  2525.                 if (LilvNode* const bindingNode = lilv_world_get(lv2World.me, patchWritableNode,

  2526.                                                                  lv2World.midi_binding.me, nullptr))

  2527.                 {

  2528.                     if (const char* const bindingAsString = lilv_node_as_string(bindingNode))

  2529.                     {

  2530.                         if (std::strncmp(bindingAsString, "B0", 2) == 0 && std::strlen(bindingAsString) == 6)

  2531.                         {

  2532.                             const char binding[3] = { bindingAsString[2], bindingAsString[3], '\0' };

  2533.                             const long number = std::strtol(binding, nullptr, 16);

  2534. 

  2535.                             if (number >= 0 && number <= 0xff)

  2536.                             {

  2537.                                 rdfParam.MidiMap.Type = LV2_PORT_MIDI_MAP_CC;

  2538.                                 rdfParam.MidiMap.Number = static_cast<uint32_t>(number);

  2539.                             }

  2540.                         }

  2541.                     }

  2542. 

  2543.                     lilv_node_free(bindingNode);

  2544.                 }

  2545. 

  2546.                 // ----------------------------------------------------------------------------------------------------

  2547.                 // Set Port Points

  2548. 

  2549.                 if (LilvNode* const defNode = lilv_world_get(lv2World.me, patchWritableNode,

  2550.                                                              lv2World.value_default.me, nullptr))

  2551.                 {

  2552.                     rdfParam.Points.Hints  |= LV2_PORT_POINT_DEFAULT;

  2553.                     rdfParam.Points.Default = lilv_node_as_float(defNode);

  2554.                     lilv_node_free(defNode);

  2555.                 }

  2556. 

  2557.                 if (LilvNode* const minNode = lilv_world_get(lv2World.me, patchWritableNode,

  2558.                                                              lv2World.value_minimum.me, nullptr))

  2559.                 {

  2560.                     rdfParam.Points.Hints  |= LV2_PORT_POINT_MINIMUM;

  2561.                     rdfParam.Points.Minimum = lilv_node_as_float(minNode);

  2562.                     lilv_node_free(minNode);

  2563.                 }

  2564. 

  2565.                 if (LilvNode* const maxNode = lilv_world_get(lv2World.me, patchWritableNode,

  2566.                                                              lv2World.value_maximum.me, nullptr))

  2567.                 {

  2568.                     rdfParam.Points.Hints  |= LV2_PORT_POINT_MAXIMUM;

  2569.                     rdfParam.Points.Maximum = lilv_node_as_float(maxNode);

  2570.                     lilv_node_free(maxNode);

  2571.                 }

  2572. 

  2573.                 // ----------------------------------------------------------------------------------------------------

  2574.                 // Set Port Unit

  2575. 

  2576.                 if (LilvNode* const unitUnitNode = lilv_world_get(lv2World.me, patchWritableNode,

  2577.                                                                   lv2World.unit_unit.me, nullptr))

  2578.                 {

  2579.                     if (lilv_node_is_uri(unitUnitNode))

  2580.                     {

  2581.                         if (const char* const unitUnit = lilv_node_as_uri(unitUnitNode))

  2582.                         {

  2583.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_UNIT;

  2584. 

  2585.                             /**/ if (std::strcmp(unitUnit, LV2_UNITS__bar) == 0)

  2586.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_BAR;

  2587.                             else if (std::strcmp(unitUnit, LV2_UNITS__beat) == 0)

  2588.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_BEAT;

  2589.                             else if (std::strcmp(unitUnit, LV2_UNITS__bpm) == 0)

  2590.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_BPM;

  2591.                             else if (std::strcmp(unitUnit, LV2_UNITS__cent) == 0)

  2592.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_CENT;

  2593.                             else if (std::strcmp(unitUnit, LV2_UNITS__cm) == 0)

  2594.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_CM;

  2595.                             else if (std::strcmp(unitUnit, LV2_UNITS__coef) == 0)

  2596.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_COEF;

  2597.                             else if (std::strcmp(unitUnit, LV2_UNITS__db) == 0)

  2598.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_DB;

  2599.                             else if (std::strcmp(unitUnit, LV2_UNITS__degree) == 0)

  2600.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_DEGREE;

  2601.                             else if (std::strcmp(unitUnit, LV2_UNITS__frame) == 0)

  2602.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_FRAME;

  2603.                             else if (std::strcmp(unitUnit, LV2_UNITS__hz) == 0)

  2604.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_HZ;

  2605.                             else if (std::strcmp(unitUnit, LV2_UNITS__inch) == 0)

  2606.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_INCH;

  2607.                             else if (std::strcmp(unitUnit, LV2_UNITS__khz) == 0)

  2608.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_KHZ;

  2609.                             else if (std::strcmp(unitUnit, LV2_UNITS__km) == 0)

  2610.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_KM;

  2611.                             else if (std::strcmp(unitUnit, LV2_UNITS__m) == 0)

  2612.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_M;

  2613.                             else if (std::strcmp(unitUnit, LV2_UNITS__mhz) == 0)

  2614.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MHZ;

  2615.                             else if (std::strcmp(unitUnit, LV2_UNITS__midiNote) == 0)

  2616.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MIDINOTE;

  2617.                             else if (std::strcmp(unitUnit, LV2_UNITS__mile) == 0)

  2618.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MILE;

  2619.                             else if (std::strcmp(unitUnit, LV2_UNITS__min) == 0)

  2620.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MIN;

  2621.                             else if (std::strcmp(unitUnit, LV2_UNITS__mm) == 0)

  2622.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MM;

  2623.                             else if (std::strcmp(unitUnit, LV2_UNITS__ms) == 0)

  2624.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_MS;

  2625.                             else if (std::strcmp(unitUnit, LV2_UNITS__oct) == 0)

  2626.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_OCT;

  2627.                             else if (std::strcmp(unitUnit, LV2_UNITS__pc) == 0)

  2628.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_PC;

  2629.                             else if (std::strcmp(unitUnit, LV2_UNITS__s) == 0)

  2630.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_S;

  2631.                             else if (std::strcmp(unitUnit, LV2_UNITS__semitone12TET) == 0)

  2632.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_SEMITONE;

  2633.                             else if (std::strcmp(unitUnit, "http://moddevices.com/ns/mod#volts") == 0)

  2634.                                 rdfParam.Unit.Unit = LV2_PORT_UNIT_VOLTS;

  2635.                             else

  2636.                                 carla_stderr("lv2_rdf_new(\"%s\") - got unknown unit '%s'", uri, unitUnit);

  2637.                         }

  2638.                     }

  2639. 

  2640.                     if (LilvNode* const unitNameNode = lilv_world_get(lv2World.me, unitUnitNode,

  2641.                                                                       lv2World.unit_name.me, nullptr))

  2642.                     {

  2643.                         if (const char* const unitName = lilv_node_as_string(unitNameNode))

  2644.                         {

  2645.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_NAME;

  2646.                             rdfParam.Unit.Name   = carla_strdup(unitName);

  2647.                         }

  2648.                         lilv_node_free(unitNameNode);

  2649.                     }

  2650. 

  2651.                     if (LilvNode* const unitRenderNode = lilv_world_get(lv2World.me, unitUnitNode,

  2652.                                                                         lv2World.unit_render.me, nullptr))

  2653.                     {

  2654.                         if (const char* const unitRender = lilv_node_as_string(unitRenderNode))

  2655.                         {

  2656.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_RENDER;

  2657.                             rdfParam.Unit.Render = carla_strdup(unitRender);

  2658.                         }

  2659.                         lilv_node_free(unitRenderNode);

  2660.                     }

  2661. 

  2662.                     if (LilvNode* const unitSymbolNode = lilv_world_get(lv2World.me, unitUnitNode,

  2663.                                                                         lv2World.unit_symbol.me, nullptr))

  2664.                     {

  2665.                         if (const char* const unitSymbol = lilv_node_as_string(unitSymbolNode))

  2666.                         {

  2667.                             rdfParam.Unit.Hints |= LV2_PORT_UNIT_SYMBOL;

  2668.                             rdfParam.Unit.Symbol = carla_strdup(unitSymbol);

  2669.                         }

  2670.                         lilv_node_free(unitSymbolNode);

  2671.                     }

  2672. 

  2673.                     lilv_node_free(unitUnitNode);

  2674.                 }

  2675. 

  2676.                 parameters[rdfParam.URI].copyAndReplace(rdfParam);

  2677.             }

  2678. 

  2679.             CARLA_SAFE_ASSERT_UINT2(parameters.size() == numUsed, parameters.size(), numUsed);

  2680.             rdfDescriptor->Parameters = new LV2_RDF_Parameter[numUsed];

  2681.             rdfDescriptor->ParameterCount = numUsed;

  2682. 

  2683.             numUsed = 0;

  2684.             for (std::map<std::string, LV2_RDF_Parameter>::iterator it = parameters.begin(), end = parameters.end();

  2685.                  it != end; ++it)

  2686.             {

  2687.                 rdfDescriptor->Parameters[numUsed++].copyAndReplace(it->second);

  2688.             }

  2689.         }

  2690. 

  2691.         lilv_nodes_free(const_cast<LilvNodes*>(patchReadableNodes.me));

  2692.         lilv_nodes_free(const_cast<LilvNodes*>(patchWritableNodes.me));

  2693.     }

  2694. 

  2695.     // ----------------------------------------------------------------------------------------------------------------

  2696.     // Set Plugin Port Groups

  2697. 

  2698.     if (const size_t portGroupCount = portGroupURIs.count())

  2699.     {

  2700.         rdfDescriptor->PortGroups = new LV2_RDF_PortGroup[portGroupCount];

  2701. 

  2702.         uint32_t count = 0;

  2703.         CarlaStringList::Itenerator itu = portGroupURIs.begin2();

  2704.         LinkedList<LilvNode*>::Itenerator itn = portGroupNodes.begin2();

  2705.         for (; itu.valid() && itn.valid(); itu.next(), itn.next())

  2706.         {

  2707.             const char* const portGroupURI = itu.getValue(nullptr);

  2708.             CARLA_SAFE_ASSERT_CONTINUE(portGroupURI != nullptr);

  2709. 

  2710.             LilvNode* const portGroupNode = itn.getValue(nullptr);

  2711.             CARLA_SAFE_ASSERT_CONTINUE(portGroupNode != nullptr);

  2712. 

  2713.             LV2_RDF_PortGroup& portGroup(rdfDescriptor->PortGroups[count]);

  2714.             portGroup.URI = portGroupURI;

  2715. 

  2716.             if (LilvNode* const portGroupNameNode = lilv_world_get(lv2World.me, portGroupNode,

  2717.                                                                    lv2World.lv2_name.me, nullptr))

  2718.             {

  2719.                 portGroup.Name = carla_strdup_safe(lilv_node_as_string(portGroupNameNode));

  2720.                 lilv_node_free(portGroupNameNode);

  2721.             }

  2722.             // some plugins use rdfs:label, spec was not clear which one to use

  2723.             else if (LilvNode* const portGroupLabelNode = lilv_world_get(lv2World.me, portGroupNode,

  2724.                                                                         lv2World.rdfs_label.me, nullptr))

  2725.             {

  2726.                 portGroup.Name = carla_strdup_safe(lilv_node_as_string(portGroupLabelNode));

  2727.                 lilv_node_free(portGroupLabelNode);

  2728.             }

  2729. 

  2730.             if (LilvNode* const portGroupSymbolNode = lilv_world_get(lv2World.me, portGroupNode,

  2731.                                                                      lv2World.lv2_symbol.me, nullptr))

  2732.             {

  2733.                 portGroup.Symbol = carla_strdup_safe(lilv_node_as_string(portGroupSymbolNode));

  2734.                 lilv_node_free(portGroupSymbolNode);

  2735.             }

  2736. 

  2737.             ++count;

  2738.             lilv_node_free(portGroupNode);

  2739.         }

  2740. 

  2741.         rdfDescriptor->PortGroupCount = count;

  2742.         portGroupNodes.clear();

  2743.     }

  2744. 

  2745.     // ----------------------------------------------------------------------------------------------------------------

  2746.     // Set Plugin Presets

  2747. 

  2748.     if (loadPresets)

  2749.     {

  2750.         Lilv::Nodes presetNodes(lilvPlugin.get_related(lv2World.preset_preset));

  2751. 

  2752.         if (presetNodes.size() > 0)

  2753.         {

  2754.             // create a list of preset URIs (for sorting and unique-ness)

  2755.            #ifdef CARLA_UTILS_USE_QT

  2756.             QStringList presetListURIs;

  2757. 

  2758.             LILV_FOREACH(nodes, it, presetNodes)

  2759.             {

  2760.                 Lilv::Node presetNode(presetNodes.get(it));

  2761. 

  2762.                 QString presetURI(presetNode.as_uri());

  2763. 

  2764.                 if (! (presetURI.trimmed().isEmpty() || presetListURIs.contains(presetURI)))

  2765.                     presetListURIs.append(presetURI);

  2766.             }

  2767. 

  2768.             presetListURIs.sort();

  2769. 

  2770.             rdfDescriptor->PresetCount = static_cast<uint32_t>(presetListURIs.count());

  2771.            #else

  2772.             water::StringArray presetListURIs;

  2773. 

  2774.             LILV_FOREACH(nodes, it, presetNodes)

  2775.             {

  2776.                 Lilv::Node presetNode(presetNodes.get(it));

  2777. 

  2778.                 water::String presetURI(presetNode.as_uri());

  2779. 

  2780.                 if (presetURI.trim().isNotEmpty())

  2781.                     presetListURIs.addIfNotAlreadyThere(presetURI);

  2782.             }

  2783. 

  2784.             presetListURIs.sortNatural();

  2785. 

  2786.             rdfDescriptor->PresetCount = static_cast<uint32_t>(presetListURIs.size());

  2787.            #endif

  2788. 

  2789.             // create presets with unique URIs

  2790.             rdfDescriptor->Presets = new LV2_RDF_Preset[rdfDescriptor->PresetCount];

  2791. 

  2792.             // set preset data

  2793.             LILV_FOREACH(nodes, it, presetNodes)

  2794.             {

  2795.                 Lilv::Node presetNode(presetNodes.get(it));

  2796. 

  2797.                 const char* const presetURI(presetNode.as_uri());

  2798.                 CARLA_SAFE_ASSERT_CONTINUE(presetURI != nullptr && presetURI[0] != '\0');

  2799. 

  2800.                 // try to find label without loading the preset resource first

  2801.                 Lilv::Nodes presetLabelNodes(lv2World.find_nodes(presetNode, lv2World.rdfs_label, nullptr));

  2802. 

  2803.                 // failed, try loading resource

  2804.                 if (presetLabelNodes.size() == 0)

  2805.                 {

  2806.                     // if loading resource fails, skip this preset

  2807.                     if (lv2World.load_resource(presetNode) == -1)

  2808.                         continue;

  2809. 

  2810.                     // ok, let's try again

  2811.                     presetLabelNodes = lv2World.find_nodes(presetNode, lv2World.rdfs_label, nullptr);

  2812.                 }

  2813. 

  2814.                 if (presetLabelNodes.size() > 0)

  2815.                 {

  2816.                    #ifdef CARLA_UTILS_USE_QT

  2817.                     const int index = presetListURIs.indexOf(QString(presetURI));

  2818.                    #else

  2819.                     const int index = presetListURIs.indexOf(water::String(presetURI));

  2820.                    #endif

  2821.                     CARLA_SAFE_ASSERT_CONTINUE(index >= 0 && index < static_cast<int>(rdfDescriptor->PresetCount));

  2822. 

  2823.                     LV2_RDF_Preset* const rdfPreset(&rdfDescriptor->Presets[index]);

  2824. 

  2825.                     // ---------------------------------------------------

  2826.                     // Set Preset Information

  2827. 

  2828.                     rdfPreset->URI = carla_strdup(presetURI);

  2829. 

  2830.                     if (const char* const label = presetLabelNodes.get_first().as_string())

  2831.                         rdfPreset->Label = carla_strdup(label);

  2832. 

  2833.                     lilv_nodes_free(const_cast<LilvNodes*>(presetLabelNodes.me));

  2834.                 }

  2835.             }

  2836.         }

  2837. 

  2838.         lilv_nodes_free(const_cast<LilvNodes*>(presetNodes.me));

  2839.     }

  2840. 

  2841.     // ----------------------------------------------------------------------------------------------------------------

  2842.     // Set Plugin Features

  2843.     {

  2844.         Lilv::Nodes lilvFeatureNodes(lilvPlugin.get_supported_features());

  2845. 

  2846.         if (const uint numFeatures = lilvFeatureNodes.size())

  2847.         {

  2848.             Lilv::Nodes lilvFeatureNodesR(lilvPlugin.get_required_features());

  2849. 

  2850.             rdfDescriptor->Features = new LV2_RDF_Feature[numFeatures];

  2851. 

  2852.             uint numUsed = 0;

  2853.             LILV_FOREACH(nodes, it, lilvFeatureNodes)

  2854.             {

  2855.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numFeatures);

  2856. 

  2857.                 Lilv::Node lilvFeatureNode(lilvFeatureNodes.get(it));

  2858.                 LV2_RDF_Feature* const rdfFeature(&rdfDescriptor->Features[numUsed++]);

  2859. 

  2860.                 rdfFeature->Required = lilvFeatureNodesR.contains(lilvFeatureNode);

  2861. 

  2862.                 if (const char* const featureURI = lilvFeatureNode.as_uri())

  2863.                     rdfFeature->URI = carla_strdup(featureURI);

  2864.                 else

  2865.                     rdfFeature->URI = nullptr;

  2866.             }

  2867. 

  2868.             rdfDescriptor->FeatureCount = numUsed;

  2869.             lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodesR.me));

  2870.         }

  2871. 

  2872.         lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodes.me));

  2873.     }

  2874. 

  2875.     // ----------------------------------------------------------------------------------------------------------------

  2876.     // Set Plugin Extensions

  2877.     {

  2878.         Lilv::Nodes lilvExtensionDataNodes(lilvPlugin.get_extension_data());

  2879. 

  2880.         if (const uint numExtensions = lilvExtensionDataNodes.size())

  2881.         {

  2882.             rdfDescriptor->Extensions = new LV2_URI[numExtensions];

  2883. 

  2884.             uint numUsed = 0;

  2885.             LILV_FOREACH(nodes, it, lilvExtensionDataNodes)

  2886.             {

  2887.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numExtensions);

  2888. 

  2889.                 Lilv::Node lilvExtensionDataNode(lilvExtensionDataNodes.get(it));

  2890.                 LV2_URI* const rdfExtension(&rdfDescriptor->Extensions[numUsed++]);

  2891. 

  2892.                 if (lilvExtensionDataNode.is_uri())

  2893.                 {

  2894.                     if (const char* const extURI = lilvExtensionDataNode.as_uri())

  2895.                     {

  2896.                         *rdfExtension = carla_strdup(extURI);

  2897.                         continue;

  2898.                     }

  2899.                 }

  2900.                 *rdfExtension = nullptr;

  2901.             }

  2902. 

  2903.             for (uint32_t x=numUsed; x < rdfDescriptor->ExtensionCount; ++x)

  2904.                 rdfDescriptor->Extensions[x] = nullptr;

  2905. 

  2906.             rdfDescriptor->ExtensionCount = numUsed;

  2907.         }

  2908. 

  2909.         lilv_nodes_free(const_cast<LilvNodes*>(lilvExtensionDataNodes.me));

  2910.     }

  2911. 

  2912.     // ----------------------------------------------------------------------------------------------------------------

  2913.     // Set Plugin UIs

  2914.     {

  2915. #ifdef CARLA_OS_LINUX

  2916.         const bool hasMODGui = lilvPlugin.get_modgui_resources_directory().as_uri() != nullptr;

  2917. #else

  2918.         const bool hasMODGui = false;

  2919. #endif

  2920. 

  2921.         Lilv::UIs lilvUIs(lilvPlugin.get_uis());

  2922. 

  2923.         const uint numUIs = lilvUIs.size() + (hasMODGui ? 1 : 0);

  2924. 

  2925.         if (numUIs > 0)

  2926.         {

  2927.             rdfDescriptor->UIs = new LV2_RDF_UI[numUIs];

  2928. 

  2929.             uint numUsed = 0;

  2930.             LILV_FOREACH(uis, it, lilvUIs)

  2931.             {

  2932.                 CARLA_SAFE_ASSERT_BREAK(numUsed < numUIs);

  2933. 

  2934.                 Lilv::UI lilvUI(lilvUIs.get(it));

  2935.                 LV2_RDF_UI* const rdfUI(&rdfDescriptor->UIs[numUsed++]);

  2936. 

  2937.                 lv2World.load_resource(lilvUI.get_uri());

  2938. 

  2939.                 // ----------------------------------------------------------------------------------------------------

  2940.                 // Set UI Type

  2941. 

  2942.                 /**/ if (lilvUI.is_a(lv2World.ui_gtk2))

  2943.                     rdfUI->Type = LV2_UI_GTK2;

  2944.                 else if (lilvUI.is_a(lv2World.ui_gtk3))

  2945.                     rdfUI->Type = LV2_UI_GTK3;

  2946.                 else if (lilvUI.is_a(lv2World.ui_qt4))

  2947.                     rdfUI->Type = LV2_UI_QT4;

  2948.                 else if (lilvUI.is_a(lv2World.ui_qt5))

  2949.                     rdfUI->Type = LV2_UI_QT5;

  2950.                 else if (lilvUI.is_a(lv2World.ui_cocoa))

  2951.                     rdfUI->Type = LV2_UI_COCOA;

  2952.                 else if (lilvUI.is_a(lv2World.ui_windows))

  2953.                     rdfUI->Type = LV2_UI_WINDOWS;

  2954.                 else if (lilvUI.is_a(lv2World.ui_x11))

  2955.                     rdfUI->Type = LV2_UI_X11;

  2956.                 else if (lilvUI.is_a(lv2World.ui_external))

  2957.                     rdfUI->Type = LV2_UI_EXTERNAL;

  2958.                 else if (lilvUI.is_a(lv2World.ui_externalOld))

  2959.                     rdfUI->Type = LV2_UI_OLD_EXTERNAL;

  2960.                 else if (lilvUI.is_a(lv2World.ui))

  2961.                     rdfUI->Type = LV2_UI_NONE;

  2962.                 else

  2963.                     carla_stderr("lv2_rdf_new(\"%s\") - UI '%s' is of unknown type", uri, lilvUI.get_uri().as_uri());

  2964. 

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

  2966.                 // Set UI Information

  2967.                 {

  2968.                     if (const char* const uiURI = lilvUI.get_uri().as_uri())

  2969.                         rdfUI->URI = carla_strdup(uiURI);

  2970. 

  2971.                     if (const char* const uiBinary = lilvUI.get_binary_uri().as_string())

  2972.                         rdfUI->Binary = carla_strdup_free(lilv_file_uri_parse(uiBinary, nullptr));

  2973. 

  2974.                     if (const char* const uiBundle = lilvUI.get_bundle_uri().as_string())

  2975.                         rdfUI->Bundle = carla_strdup_free(lilv_file_uri_parse(uiBundle, nullptr));

  2976.                 }

  2977. 

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

  2979.                 // Set UI Features

  2980.                 {

  2981.                     Lilv::Nodes lilvFeatureNodes(lilvUI.get_supported_features());

  2982. 

  2983.                     if (const uint numFeatures = lilvFeatureNodes.size())

  2984.                     {

  2985.                         Lilv::Nodes lilvFeatureNodesR(lilvUI.get_required_features());

  2986. 

  2987.                         rdfUI->Features = new LV2_RDF_Feature[numFeatures];

  2988. 

  2989.                         uint numUsed2 = 0;

  2990.                         LILV_FOREACH(nodes, it2, lilvFeatureNodes)

  2991.                         {

  2992.                             CARLA_SAFE_ASSERT_UINT2_BREAK(numUsed2 < numFeatures, numUsed2, numFeatures);

  2993. 

  2994.                             Lilv::Node lilvFeatureNode(lilvFeatureNodes.get(it2));

  2995.                             LV2_RDF_Feature* const rdfFeature(&rdfUI->Features[numUsed2++]);

  2996. 

  2997.                             rdfFeature->Required = lilvFeatureNodesR.contains(lilvFeatureNode);

  2998. 

  2999.                             if (const char* const featureURI = lilvFeatureNode.as_uri())

  3000.                                 rdfFeature->URI = carla_strdup(featureURI);

  3001.                             else

  3002.                                 rdfFeature->URI = nullptr;

  3003.                         }

  3004. 

  3005.                         rdfUI->FeatureCount = numUsed2;

  3006.                         lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodesR.me));

  3007.                     }

  3008. 

  3009.                     lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodes.me));

  3010.                 }

  3011. 

  3012.                 // ----------------------------------------------------------------------------------------------------

  3013.                 // Set UI Extensions

  3014.                 {

  3015.                     Lilv::Nodes lilvExtensionDataNodes(lilvUI.get_extension_data());

  3016. 

  3017.                     if (const uint numExtensions = lilvExtensionDataNodes.size())

  3018.                     {

  3019.                         rdfUI->Extensions = new LV2_URI[numExtensions];

  3020. 

  3021.                         uint numUsed2 = 0;

  3022.                         LILV_FOREACH(nodes, it2, lilvExtensionDataNodes)

  3023.                         {

  3024.                             CARLA_SAFE_ASSERT_UINT2_BREAK(numUsed2 < numExtensions, numUsed2, numExtensions);

  3025. 

  3026.                             Lilv::Node lilvExtensionDataNode(lilvExtensionDataNodes.get(it2));

  3027.                             LV2_URI* const rdfExtension(&rdfUI->Extensions[numUsed2++]);

  3028. 

  3029.                             if (lilvExtensionDataNode.is_uri())

  3030.                             {

  3031.                                 if (const char* const extURI = lilvExtensionDataNode.as_uri())

  3032.                                 {

  3033.                                     *rdfExtension = carla_strdup(extURI);

  3034.                                     continue;

  3035.                                 }

  3036.                             }

  3037.                             *rdfExtension = nullptr;

  3038.                         }

  3039. 

  3040.                         for (uint x2=numUsed2; x2 < rdfUI->ExtensionCount; ++x2)

  3041.                             rdfUI->Extensions[x2] = nullptr;

  3042. 

  3043.                         rdfUI->ExtensionCount = numUsed2;

  3044.                     }

  3045. 

  3046.                     lilv_nodes_free(const_cast<LilvNodes*>(lilvExtensionDataNodes.me));

  3047.                 }

  3048. 

  3049.                 // ----------------------------------------------------------------------------------------------------

  3050.                 // Set UI Port Notifications

  3051.                 {

  3052.                     Lilv::Nodes portNotifNodes(lv2World.find_nodes(lilvUI.get_uri(), lv2World.ui_portNotif.me, nullptr));

  3053. 

  3054.                     if (const uint portNotifCount = portNotifNodes.size())

  3055.                     {

  3056.                         rdfUI->PortNotificationCount = portNotifCount;

  3057.                         rdfUI->PortNotifications = new LV2_RDF_UI_PortNotification[portNotifCount];

  3058. 

  3059.                         uint numUsed2 = 0;

  3060.                         LILV_FOREACH(nodes, it2, portNotifNodes)

  3061.                         {

  3062.                             CARLA_SAFE_ASSERT_UINT2_BREAK(numUsed2 < portNotifCount, numUsed2, portNotifCount);

  3063. 

  3064.                             Lilv::Node portNotifNode(portNotifNodes.get(it2));

  3065.                             LV2_RDF_UI_PortNotification* const rdfPortNotif(&rdfUI->PortNotifications[numUsed2++]);

  3066. 

  3067.                             LilvNode* const protocolNode = lilv_world_get(lv2World.me, portNotifNode,

  3068.                                                                           lv2World.ui_protocol.me, nullptr);

  3069. 

  3070.                             if (protocolNode != nullptr)

  3071.                             {

  3072.                                 CARLA_SAFE_ASSERT_CONTINUE(lilv_node_is_uri(protocolNode));

  3073. 

  3074.                                 const char* const protocol = lilv_node_as_uri(protocolNode);

  3075.                                 CARLA_SAFE_ASSERT_CONTINUE(protocol != nullptr && protocol[0] != '\0');

  3076. 

  3077.                                 /**/ if (std::strcmp(protocol, LV2_UI__floatProtocol) == 0)

  3078.                                     rdfPortNotif->Protocol = LV2_UI_PORT_PROTOCOL_FLOAT;

  3079.                                 else if (std::strcmp(protocol, LV2_UI__peakProtocol) == 0)

  3080.                                     rdfPortNotif->Protocol = LV2_UI_PORT_PROTOCOL_PEAK;

  3081.                             }

  3082.                             else

  3083.                             {

  3084.                                 rdfPortNotif->Protocol = LV2_UI_PORT_PROTOCOL_FLOAT;

  3085.                             }

  3086. 

  3087.                             /**/ if (LilvNode* const symbolNode = lilv_world_get(lv2World.me, portNotifNode,

  3088.                                                                                  lv2World.symbol.me, nullptr))

  3089.                             {

  3090.                                 CARLA_SAFE_ASSERT_CONTINUE(lilv_node_is_string(symbolNode));

  3091. 

  3092.                                 const char* const symbol = lilv_node_as_string(symbolNode);

  3093.                                 CARLA_SAFE_ASSERT_CONTINUE(symbol != nullptr && symbol[0] != '\0');

  3094. 

  3095.                                 rdfPortNotif->Symbol = carla_strdup(symbol);

  3096. 

  3097.                                 lilv_node_free(symbolNode);

  3098.                             }

  3099.                             else if (LilvNode* const indexNode = lilv_world_get(lv2World.me, portNotifNode,

  3100.                                                                                 lv2World.ui_portIndex.me, nullptr))

  3101.                             {

  3102.                                 CARLA_SAFE_ASSERT_CONTINUE(lilv_node_is_int(indexNode));

  3103. 

  3104.                                 const int index = lilv_node_as_int(indexNode);

  3105.                                 CARLA_SAFE_ASSERT_CONTINUE(index >= 0);

  3106. 

  3107.                                 rdfPortNotif->Index = static_cast<uint32_t>(index);

  3108. 

  3109.                                 lilv_node_free(indexNode);

  3110.                             }

  3111. 

  3112.                             lilv_node_free(protocolNode);

  3113.                         }

  3114.                     }

  3115. 

  3116.                     lilv_nodes_free(const_cast<LilvNodes*>(portNotifNodes.me));

  3117.                 }

  3118.             }

  3119. 

  3120.             for (; hasMODGui;)

  3121.             {

  3122.                 CARLA_SAFE_ASSERT_BREAK(numUsed == numUIs-1);

  3123. 

  3124.                 LV2_RDF_UI* const rdfUI(&rdfDescriptor->UIs[numUsed++]);

  3125. 

  3126.                 // -------------------------------------------------------

  3127.                 // Set UI Type

  3128. 

  3129.                 rdfUI->Type = LV2_UI_MOD;

  3130. 

  3131.                 // -------------------------------------------------------

  3132.                 // Set UI Information

  3133. 

  3134.                 if (const char* const resDir = lilvPlugin.get_modgui_resources_directory().as_uri())

  3135.                     rdfUI->URI = carla_strdup_free(lilv_file_uri_parse(resDir, nullptr));

  3136. 

  3137.                 if (rdfDescriptor->Bundle != nullptr)

  3138.                     rdfUI->Bundle = carla_strdup(rdfDescriptor->Bundle);

  3139. 

  3140.                 break;

  3141.             }

  3142. 

  3143.             rdfDescriptor->UICount = numUsed;

  3144.         }

  3145. 

  3146.         lilv_nodes_free(const_cast<LilvNodes*>(lilvUIs.me));

  3147.     }

  3148. 

  3149.     return rdfDescriptor;

  3150. }

  3151. 

  3152. // --------------------------------------------------------------------------------------------------------------------

  3153. // Check if we support a plugin port

  3154. 

  3155. static inline

  3156. bool is_lv2_port_supported(const LV2_Property types) noexcept

  3157. {

  3158.     if (LV2_IS_PORT_CONTROL(types))

  3159.         return true;

  3160.     if (LV2_IS_PORT_AUDIO(types))

  3161.         return true;

  3162.     if (LV2_IS_PORT_CV(types))

  3163.         return true;

  3164.     if (LV2_IS_PORT_ATOM_SEQUENCE(types))

  3165.         return true;

  3166.     if (LV2_IS_PORT_EVENT(types))

  3167.         return true;

  3168.     if (LV2_IS_PORT_MIDI_LL(types))

  3169.         return true;

  3170.     return false;

  3171. }

  3172. 

  3173. // --------------------------------------------------------------------------------------------------------------------

  3174. // Check if we support a plugin feature

  3175. 

  3176. static inline

  3177. bool is_lv2_feature_supported(const LV2_URI uri) noexcept

  3178. {

  3179.     CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', false);

  3180. 

  3181.     if (std::strcmp(uri, LV2_BUF_SIZE__boundedBlockLength) == 0)

  3182.         return true;

  3183.     if (std::strcmp(uri, LV2_BUF_SIZE__fixedBlockLength) == 0)

  3184.         return true;

  3185.     if (std::strcmp(uri, LV2_BUF_SIZE__powerOf2BlockLength) == 0)

  3186.         return true;

  3187.     if (std::strcmp(uri, LV2_CORE__hardRTCapable) == 0)

  3188.         return true;

  3189.     if (std::strcmp(uri, LV2_CORE__inPlaceBroken) == 0)

  3190.         return true;

  3191.     if (std::strcmp(uri, LV2_CORE__isLive) == 0)

  3192.         return true;

  3193.     if (std::strcmp(uri, LV2_EVENT_URI) == 0)

  3194.         return true;

  3195.     if (std::strcmp(uri, LV2_INLINEDISPLAY__queue_draw) == 0)

  3196.         return true;

  3197.     if (std::strcmp(uri, LV2_LOG__log) == 0)

  3198.         return true;

  3199.     if (std::strcmp(uri, LV2_OPTIONS__options) == 0)

  3200.         return true;

  3201.     if (std::strcmp(uri, LV2_PROGRAMS__Host) == 0)

  3202.         return true;

  3203.     if (std::strcmp(uri, LV2_RESIZE_PORT__resize) == 0)

  3204.         return true;

  3205.     if (std::strcmp(uri, LV2_RTSAFE_MEMORY_POOL__Pool) == 0)

  3206.         return true;

  3207.     if (std::strcmp(uri, LV2_RTSAFE_MEMORY_POOL_DEPRECATED_URI) == 0)

  3208.         return true;

  3209.     if (std::strcmp(uri, LV2_STATE__freePath) == 0)

  3210.         return true;

  3211.     if (std::strcmp(uri, LV2_STATE__loadDefaultState) == 0)

  3212.         return true;

  3213.     if (std::strcmp(uri, LV2_STATE__makePath) == 0)

  3214.         return true;

  3215.     if (std::strcmp(uri, LV2_STATE__mapPath) == 0)

  3216.         return true;

  3217.     if (std::strcmp(uri, LV2_STATE__threadSafeRestore) == 0)

  3218.         return true;

  3219.     if (std::strcmp(uri, LV2_PORT_PROPS__supportsStrictBounds) == 0)

  3220.         return true;

  3221.     if (std::strcmp(uri, LV2_URI_MAP_URI) == 0)

  3222.         return true;

  3223.     if (std::strcmp(uri, LV2_URID__map) == 0)

  3224.         return true;

  3225.     if (std::strcmp(uri, LV2_URID__unmap) == 0)

  3226.         return true;

  3227.     if (std::strcmp(uri, LV2_WORKER__schedule) == 0)

  3228.         return true;

  3229.     return false;

  3230. }

  3231. 

  3232. // --------------------------------------------------------------------------------------------------------------------

  3233. // Check if we support a plugin or UI feature

  3234. 

  3235. static inline

  3236. bool is_lv2_ui_feature_supported(const LV2_URI uri) noexcept

  3237. {

  3238.     CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', false);

  3239. 

  3240.     if (is_lv2_feature_supported(uri))

  3241.         return true;

  3242. #ifndef BUILD_BRIDGE_UI

  3243.     if (std::strcmp(uri, LV2_DATA_ACCESS_URI) == 0)

  3244.         return true;

  3245.     if (std::strcmp(uri, LV2_INSTANCE_ACCESS_URI) == 0)

  3246.         return true;

  3247. #endif

  3248.     if (std::strcmp(uri, LV2_UI__fixedSize) == 0)

  3249.         return true;

  3250.     if (std::strcmp(uri, LV2_UI__idleInterface) == 0)

  3251.         return true;

  3252.     if (std::strcmp(uri, LV2_UI__makeResident) == 0)

  3253.         return true;

  3254.     if (std::strcmp(uri, LV2_UI__makeSONameResident) == 0)

  3255.         return true;

  3256.     if (std::strcmp(uri, LV2_UI__noUserResize) == 0)

  3257.         return true;

  3258.     if (std::strcmp(uri, LV2_UI__parent) == 0)

  3259.         return true;

  3260.     if (std::strcmp(uri, LV2_UI__portMap) == 0)

  3261.         return true;

  3262.     if (std::strcmp(uri, LV2_UI__portSubscribe) == 0)

  3263.         return true;

  3264.     if (std::strcmp(uri, LV2_UI__requestValue) == 0)

  3265.         return true;

  3266.     if (std::strcmp(uri, LV2_UI__resize) == 0)

  3267.         return true;

  3268.     if (std::strcmp(uri, LV2_UI__touch) == 0)

  3269.         return true;

  3270.     if (std::strcmp(uri, LV2_EXTERNAL_UI__Widget) == 0)

  3271.         return true;

  3272.     if (std::strcmp(uri, LV2_EXTERNAL_UI_DEPRECATED_URI) == 0)

  3273.         return true;

  3274.     return false;

  3275. }

  3276. 

  3277. // --------------------------------------------------------------------------------------------------------------------

  3278. 

  3279. #endif // CARLA_LV2_UTILS_HPP_INCLUDED