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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/tests/CachedPlugins.cpp

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  1. /*

  2.  * Carla CachedPlugins Test

  3.  * Copyright (C) 2015 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. #include "CarlaUtils.h"

  19. #include "CarlaLv2Utils.hpp"

  20. #include "CarlaString.hpp"

  21. 

  22. namespace CB = CarlaBackend;

  23. 

  24. static const char* const gNullCharPtr = "";

  25. 

  26. // -------------------------------------------------------------------------------------------------------------------

  27. 

  28. _CarlaCachedPluginInfo::_CarlaCachedPluginInfo() noexcept

  29.     : category(CB::PLUGIN_CATEGORY_NONE),

  30.       hints(0x0),

  31.       audioIns(0),

  32.       audioOuts(0),

  33.       midiIns(0),

  34.       midiOuts(0),

  35.       parameterIns(0),

  36.       parameterOuts(0),

  37.       name(gNullCharPtr),

  38.       label(gNullCharPtr),

  39.       maker(gNullCharPtr),

  40.       copyright(gNullCharPtr) {}

  41. 

  42. // -------------------------------------------------------------------------------------------------------------------

  43. 

  44. int main()

  45. {

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

  47.     lv2World.initIfNeeded("~/.lv2/");

  48. 

  49.     const uint pcount = lv2World.getPluginCount();

  50.     CARLA_SAFE_ASSERT_RETURN(pcount > 0, 1);

  51. 

  52.     CarlaCachedPluginInfo info;

  53. 

  54.     for (uint index=0; index<pcount; ++index)

  55.     {

  56.         const LilvPlugin* const cPlugin(lv2World.getPluginFromIndex(index));

  57.         CARLA_SAFE_ASSERT_BREAK(cPlugin != nullptr);

  58. 

  59.         Lilv::Plugin lilvPlugin(cPlugin);

  60.         CARLA_SAFE_ASSERT_BREAK(lilvPlugin.get_uri().is_uri());

  61. 

  62.         carla_stdout("Filling info for LV2 with URI '%s'", lilvPlugin.get_uri().as_uri());

  63. 

  64.         // features

  65.         info.hints = 0x0;

  66. 

  67.         if (lilvPlugin.get_uis().size() > 0 || lilvPlugin.get_modgui_resources_directory().as_uri() != nullptr)

  68.             info.hints |= CB::PLUGIN_HAS_CUSTOM_UI;

  69. 

  70.         {

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

  72. 

  73.             LILV_FOREACH(nodes, it, lilvFeatureNodes)

  74.             {

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

  76.                 const char* const featureURI(lilvFeatureNode.as_uri());

  77.                 CARLA_SAFE_ASSERT_CONTINUE(featureURI != nullptr);

  78. 

  79.                 if (std::strcmp(featureURI, LV2_CORE__hardRTCapable) == 0)

  80.                     info.hints |= CB::PLUGIN_IS_RTSAFE;

  81.             }

  82. 

  83.             lilv_nodes_free(const_cast<LilvNodes*>(lilvFeatureNodes.me));

  84.         }

  85. 

  86.         // category

  87.         info.category = CB::PLUGIN_CATEGORY_NONE;

  88. 

  89.         {

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

  91. 

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

  93.             {

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

  95.                     info.category = CB::PLUGIN_CATEGORY_FILTER;

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

  97.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  99.                     info.category = CB::PLUGIN_CATEGORY_UTILITY;

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

  101.                     info.category = CB::PLUGIN_CATEGORY_FILTER;

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

  103.                     info.category = CB::PLUGIN_CATEGORY_MODULATOR;

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

  105.                     info.category = CB::PLUGIN_CATEGORY_FILTER;

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

  107.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  109.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  111.                     info.category = CB::PLUGIN_CATEGORY_UTILITY;

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

  113.                     info.category = CB::PLUGIN_CATEGORY_DELAY;

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

  115.                     info.category = CB::PLUGIN_CATEGORY_DISTORTION;

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

  117.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  119.                     info.category = CB::PLUGIN_CATEGORY_EQ;

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

  121.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  123.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  125.                     info.category = CB::PLUGIN_CATEGORY_FILTER;

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

  127.                     info.category = CB::PLUGIN_CATEGORY_MODULATOR;

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

  129.                     info.category = CB::PLUGIN_CATEGORY_UTILITY;

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

  131.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  133.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  135.                     info.category = CB::PLUGIN_CATEGORY_FILTER;

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

  137.                     info.category = CB::PLUGIN_CATEGORY_DYNAMICS;

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

  139.                     info.category = CB::PLUGIN_CATEGORY_FILTER;

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

  141.                     info.category = CB::PLUGIN_CATEGORY_UTILITY;

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

  143.                     info.category = CB::PLUGIN_CATEGORY_MODULATOR;

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

  145.                     info.category = CB::PLUGIN_CATEGORY_EQ;

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

  147.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  149.                     info.category = CB::PLUGIN_CATEGORY_EQ;

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

  151.                     info.category = CB::PLUGIN_CATEGORY_MODULATOR;

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

  153.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  155.                     info.category = CB::PLUGIN_CATEGORY_DELAY;

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

  157.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  159.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  161.                     info.category = CB::PLUGIN_CATEGORY_OTHER;

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

  163.                     info.category = CB::PLUGIN_CATEGORY_UTILITY;

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

  165.                     info.category = CB::PLUGIN_CATEGORY_DISTORTION;

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

  167.                 {

  168.                     info.category = CB::PLUGIN_CATEGORY_SYNTH;

  169.                     info.hints |= CB::PLUGIN_IS_SYNTH;

  170.                 }

  171.             }

  172. 

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

  174.         }

  175. 

  176.         // number data

  177.         info.audioIns      = 0;

  178.         info.audioOuts     = 0;

  179.         info.midiIns       = 0;

  180.         info.midiOuts      = 0;

  181.         info.parameterIns  = 0;

  182.         info.parameterOuts = 0;

  183. 

  184.         for (uint i=0, count=lilvPlugin.get_num_ports(); i<count; ++i)

  185.         {

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

  187. 

  188.             bool isInput;

  189. 

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

  191.                 isInput = true;

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

  193.                 isInput = false;

  194.             else

  195.                 continue;

  196. 

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

  198.             {

  199.                 // skip some control ports

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

  201.                     continue;

  202. 

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

  204.                 {

  205.                     bool skip = false;

  206. 

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

  208.                     {

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

  210.                             skip = true;

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

  212.                             skip = true;

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

  214.                             skip = true;

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

  216.                             skip = true;

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

  218.                             skip = true;

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

  220.                             skip = true;

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

  222.                             skip = true;

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

  224.                             skip = true;

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

  226.                             skip = true;

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

  228.                             skip = true;

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

  230.                             skip = true;

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

  232.                             skip = true;

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

  234.                             skip = true;

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

  236.                             skip = true;

  237.                     }

  238. 

  239.                     lilv_node_free(designationNode);

  240. 

  241.                     if (skip)

  242.                         continue;

  243.                 }

  244. 

  245.                 if (isInput)

  246.                     ++(info.parameterIns);

  247.                 else

  248.                     ++(info.parameterOuts);

  249.             }

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

  251.             {

  252.                 if (isInput)

  253.                     ++(info.audioIns);

  254.                 else

  255.                     ++(info.audioOuts);

  256.             }

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

  258.             {

  259.             }

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

  261.             {

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

  263. 

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

  265.                 {

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

  267.                     CARLA_SAFE_ASSERT_CONTINUE(node.is_uri());

  268. 

  269.                     if (node.equals(lv2World.midi_event))

  270.                     {

  271.                         if (isInput)

  272.                             ++(info.midiIns);

  273.                         else

  274.                             ++(info.midiOuts);

  275.                     }

  276.                 }

  277. 

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

  279.             }

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

  281.             {

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

  283.                 {

  284.                     if (isInput)

  285.                         ++(info.midiIns);

  286.                     else

  287.                         ++(info.midiOuts);

  288.                 }

  289.             }

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

  291.             {

  292.                 if (isInput)

  293.                     ++(info.midiIns);

  294.                 else

  295.                     ++(info.midiOuts);

  296.             }

  297.         }

  298. 

  299.         // text data

  300.         static CarlaString suri, sname, smaker, slicense;

  301.         suri.clear(); sname.clear(); smaker.clear(); slicense.clear();

  302. 

  303.         suri = lilvPlugin.get_uri().as_uri();

  304. 

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

  306.         {

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

  308.                 sname = name;

  309.             lilv_node_free(nameNode);

  310.         }

  311. 

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

  313.             smaker = author;

  314. 

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

  316. 

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

  318.         {

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

  320.                 slicense = license;

  321.         }

  322. 

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

  324. 

  325.         info.name      = sname;

  326.         info.label     = suri;

  327.         info.maker     = smaker;

  328.         info.copyright = slicense;

  329.     }

  330. 

  331.     return 0;

  332. }

  333. 

  334. // #include "CarlaUtils.cpp"