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Carla
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Carla/source/backend/plugin/CarlaPluginLV2.cpp

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  1. /*

  2.  * Carla LV2 Plugin

  3.  * Copyright (C) 2011-2014 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. // testing macros

  19. // #define LV2_UIS_ONLY_BRIDGES

  20. // #define LV2_UIS_ONLY_INPROCESS

  21. 

  22. #include "CarlaPluginInternal.hpp"

  23. #include "CarlaEngine.hpp"

  24. 

  25. #include "CarlaLv2Utils.hpp"

  26. 

  27. #include "CarlaBase64Utils.hpp"

  28. #include "CarlaEngineUtils.hpp"

  29. #include "CarlaPipeUtils.hpp"

  30. #include "CarlaPluginUI.hpp"

  31. #include "Lv2AtomRingBuffer.hpp"

  32. 

  33. #include "../engine/CarlaEngineOsc.hpp"

  34. #include "../modules/lilv/config/lilv_config.h"

  35. 

  36. extern "C" {

  37. #include "rtmempool/rtmempool-lv2.h"

  38. }

  39. 

  40. #include "juce_core.h"

  41. 

  42. using juce::File;

  43. 

  44. #define URI_CARLA_ATOM_WORKER "http://kxstudio.sf.net/ns/carla/atomWorker"

  45. 

  46. CARLA_BACKEND_START_NAMESPACE

  47. 

  48. // -----------------------------------------------------

  49. 

  50. // Maximum default buffer size

  51. const uint MAX_DEFAULT_BUFFER_SIZE = 8192; // 0x2000

  52. 

  53. // Extra Plugin Hints

  54. const uint PLUGIN_HAS_EXTENSION_OPTIONS  = 0x1000;

  55. const uint PLUGIN_HAS_EXTENSION_PROGRAMS = 0x2000;

  56. const uint PLUGIN_HAS_EXTENSION_STATE    = 0x4000;

  57. const uint PLUGIN_HAS_EXTENSION_WORKER   = 0x8000;

  58. 

  59. // Extra Parameter Hints

  60. const uint PARAMETER_IS_STRICT_BOUNDS = 0x1000;

  61. const uint PARAMETER_IS_TRIGGER       = 0x2000;

  62. 

  63. // LV2 Event Data/Types

  64. const uint CARLA_EVENT_DATA_ATOM    = 0x01;

  65. const uint CARLA_EVENT_DATA_EVENT   = 0x02;

  66. const uint CARLA_EVENT_DATA_MIDI_LL = 0x04;

  67. const uint CARLA_EVENT_TYPE_MESSAGE = 0x10; // unused

  68. const uint CARLA_EVENT_TYPE_MIDI    = 0x20;

  69. const uint CARLA_EVENT_TYPE_TIME    = 0x40;

  70. 

  71. // LV2 URI Map Ids

  72. const uint32_t CARLA_URI_MAP_ID_NULL                   =  0;

  73. const uint32_t CARLA_URI_MAP_ID_ATOM_BLANK             =  1;

  74. const uint32_t CARLA_URI_MAP_ID_ATOM_BOOL              =  2;

  75. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK             =  3;

  76. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE            =  4;

  77. const uint32_t CARLA_URI_MAP_ID_ATOM_EVENT             =  5;

  78. const uint32_t CARLA_URI_MAP_ID_ATOM_FLOAT             =  6;

  79. const uint32_t CARLA_URI_MAP_ID_ATOM_INT               =  7;

  80. const uint32_t CARLA_URI_MAP_ID_ATOM_LITERAL           =  8;

  81. const uint32_t CARLA_URI_MAP_ID_ATOM_LONG              =  9;

  82. const uint32_t CARLA_URI_MAP_ID_ATOM_NUMBER            = 10;

  83. const uint32_t CARLA_URI_MAP_ID_ATOM_OBJECT            = 11;

  84. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH              = 12;

  85. const uint32_t CARLA_URI_MAP_ID_ATOM_PROPERTY          = 13;

  86. const uint32_t CARLA_URI_MAP_ID_ATOM_RESOURCE          = 14;

  87. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE          = 15;

  88. const uint32_t CARLA_URI_MAP_ID_ATOM_SOUND             = 16;

  89. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING            = 17;

  90. const uint32_t CARLA_URI_MAP_ID_ATOM_TUPLE             = 18;

  91. const uint32_t CARLA_URI_MAP_ID_ATOM_URI               = 19;

  92. const uint32_t CARLA_URI_MAP_ID_ATOM_URID              = 20;

  93. const uint32_t CARLA_URI_MAP_ID_ATOM_VECTOR            = 21;

  94. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM     = 22;

  95. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT    = 23;

  96. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH         = 24;

  97. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH         = 25;

  98. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE      = 26;

  99. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR              = 27;

  100. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE               = 28;

  101. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE              = 29;

  102. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING            = 30;

  103. const uint32_t CARLA_URI_MAP_ID_TIME_POSITION          = 31; // base type

  104. const uint32_t CARLA_URI_MAP_ID_TIME_BAR               = 32; // values

  105. const uint32_t CARLA_URI_MAP_ID_TIME_BAR_BEAT          = 33;

  106. const uint32_t CARLA_URI_MAP_ID_TIME_BEAT              = 34;

  107. const uint32_t CARLA_URI_MAP_ID_TIME_BEAT_UNIT         = 35;

  108. const uint32_t CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR     = 36;

  109. const uint32_t CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE  = 37;

  110. const uint32_t CARLA_URI_MAP_ID_TIME_FRAME             = 38;

  111. const uint32_t CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND = 39;

  112. const uint32_t CARLA_URI_MAP_ID_TIME_SPEED             = 40;

  113. const uint32_t CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT    = 41;

  114. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT             = 42;

  115. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE      = 43;

  116. const uint32_t CARLA_URI_MAP_ID_UI_WINDOW_TITLE        = 44;

  117. const uint32_t CARLA_URI_MAP_ID_CARLA_ATOM_WORKER      = 45;

  118. const uint32_t CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID = 46;

  119. const uint32_t CARLA_URI_MAP_ID_COUNT                  = 47;

  120. 

  121. // LV2 Feature Ids

  122. const uint32_t kFeatureIdBufSizeBounded   =  0;

  123. const uint32_t kFeatureIdBufSizeFixed     =  1;

  124. const uint32_t kFeatureIdBufSizePowerOf2  =  2;

  125. const uint32_t kFeatureIdEvent            =  3;

  126. const uint32_t kFeatureIdHardRtCapable    =  4;

  127. const uint32_t kFeatureIdInPlaceBroken    =  5;

  128. const uint32_t kFeatureIdIsLive           =  6;

  129. const uint32_t kFeatureIdLogs             =  7;

  130. const uint32_t kFeatureIdOptions          =  8;

  131. const uint32_t kFeatureIdPrograms         =  9;

  132. const uint32_t kFeatureIdResizePort       = 10;

  133. const uint32_t kFeatureIdRtMemPool        = 11;

  134. const uint32_t kFeatureIdRtMemPoolOld     = 12;

  135. const uint32_t kFeatureIdStateMakePath    = 13;

  136. const uint32_t kFeatureIdStateMapPath     = 14;

  137. const uint32_t kFeatureIdStrictBounds     = 15;

  138. const uint32_t kFeatureIdUriMap           = 16;

  139. const uint32_t kFeatureIdUridMap          = 17;

  140. const uint32_t kFeatureIdUridUnmap        = 18;

  141. const uint32_t kFeatureIdWorker           = 19;

  142. const uint32_t kFeatureCountPlugin        = 20;

  143. const uint32_t kFeatureIdUiDataAccess     = 20;

  144. const uint32_t kFeatureIdUiInstanceAccess = 21;

  145. const uint32_t kFeatureIdUiIdleInterface  = 22;

  146. const uint32_t kFeatureIdUiFixedSize      = 23;

  147. const uint32_t kFeatureIdUiMakeResident   = 24;

  148. const uint32_t kFeatureIdUiNoUserResize   = 25;

  149. const uint32_t kFeatureIdUiParent         = 26;

  150. const uint32_t kFeatureIdUiPortMap        = 27;

  151. const uint32_t kFeatureIdUiPortSubscribe  = 28;

  152. const uint32_t kFeatureIdUiResize         = 29;

  153. const uint32_t kFeatureIdUiTouch          = 30;

  154. const uint32_t kFeatureIdExternalUi       = 31;

  155. const uint32_t kFeatureIdExternalUiOld    = 32;

  156. const uint32_t kFeatureCountAll           = 33;

  157. 

  158. // -----------------------------------------------------

  159. 

  160. struct Lv2EventData {

  161.     uint32_t type;

  162.     uint32_t rindex;

  163.     CarlaEngineEventPort* port;

  164. 

  165.     union {

  166.         LV2_Atom_Buffer* atom;

  167.         LV2_Event_Buffer* event;

  168.         LV2_MIDI midi;

  169.     };

  170. 

  171.     Lv2EventData() noexcept

  172.         : type(0x0),

  173.           rindex(0),

  174.           port(nullptr) {}

  175. 

  176.     ~Lv2EventData() noexcept

  177.     {

  178.         if (port != nullptr)

  179.         {

  180.             delete port;

  181.             port = nullptr;

  182.         }

  183. 

  184.         const uint32_t rtype(type);

  185.         type = 0x0;

  186. 

  187.         if (rtype & CARLA_EVENT_DATA_ATOM)

  188.         {

  189.             CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);

  190. 

  191.             std::free(atom);

  192.             atom = nullptr;

  193.         }

  194.         else if (rtype & CARLA_EVENT_DATA_EVENT)

  195.         {

  196.             CARLA_SAFE_ASSERT_RETURN(event != nullptr,);

  197. 

  198.             std::free(event);

  199.             event = nullptr;

  200.         }

  201.         else if (rtype & CARLA_EVENT_DATA_MIDI_LL)

  202.         {

  203.             CARLA_SAFE_ASSERT_RETURN(midi.data != nullptr,);

  204. 

  205.             delete[] midi.data;

  206.             midi.data = nullptr;

  207.         }

  208.     }

  209. 

  210.     CARLA_DECLARE_NON_COPY_STRUCT(Lv2EventData)

  211. };

  212. 

  213. struct CarlaPluginLV2EventData {

  214.     uint32_t count;

  215.     Lv2EventData* data;

  216.     Lv2EventData* ctrl; // default port, either this->data[x] or pData->portIn/Out

  217.     uint32_t ctrlIndex;

  218. 

  219.     CarlaPluginLV2EventData() noexcept

  220.         : count(0),

  221.           data(nullptr),

  222.           ctrl(nullptr),

  223.           ctrlIndex(0) {}

  224. 

  225.     ~CarlaPluginLV2EventData() noexcept

  226.     {

  227.         CARLA_SAFE_ASSERT_INT(count == 0, count);

  228.         CARLA_SAFE_ASSERT(data == nullptr);

  229.         CARLA_SAFE_ASSERT(ctrl == nullptr);

  230.         CARLA_SAFE_ASSERT_INT(ctrlIndex == 0, ctrlIndex);

  231.     }

  232. 

  233.     void createNew(const uint32_t newCount)

  234.     {

  235.         CARLA_SAFE_ASSERT_INT(count == 0, count);

  236.         CARLA_SAFE_ASSERT_INT(ctrlIndex == 0, ctrlIndex);

  237.         CARLA_SAFE_ASSERT_RETURN(data == nullptr,);

  238.         CARLA_SAFE_ASSERT_RETURN(ctrl == nullptr,);

  239.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  240. 

  241.         data  = new Lv2EventData[newCount];

  242.         count = newCount;

  243. 

  244.         ctrl      = nullptr;

  245.         ctrlIndex = 0;

  246.     }

  247. 

  248.     void clear() noexcept

  249.     {

  250.         if (data != nullptr)

  251.         {

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

  253.             {

  254.                 if (data[i].port != nullptr && ctrl != nullptr && data[i].port == ctrl->port)

  255.                     data[i].port = nullptr;

  256.             }

  257. 

  258.             delete[] data;

  259.             data = nullptr;

  260.         }

  261. 

  262.         count = 0;

  263. 

  264.         ctrl      = nullptr;

  265.         ctrlIndex = 0;

  266.     }

  267. 

  268.     void initBuffers() const noexcept

  269.     {

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

  271.         {

  272.             if (data[i].port != nullptr && (ctrl == nullptr || data[i].port != ctrl->port))

  273.                 data[i].port->initBuffer();

  274.         }

  275.     }

  276. 

  277.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2EventData)

  278. };

  279. 

  280. // -----------------------------------------------------

  281. 

  282. struct CarlaPluginLV2Options {

  283.     enum OptIndex {

  284.         MaxBlockLenth = 0,

  285.         MinBlockLenth,

  286.         SequenceSize,

  287.         SampleRate,

  288.         FrontendWinId,

  289.         WindowTitle,

  290.         Null,

  291.         Count

  292.     };

  293. 

  294.     int maxBufferSize;

  295.     int minBufferSize;

  296.     int sequenceSize;

  297.     double sampleRate;

  298.     int64_t frontendWinId;

  299.     const char* windowTitle;

  300.     LV2_Options_Option opts[Count];

  301. 

  302.     CarlaPluginLV2Options() noexcept

  303.         : maxBufferSize(0),

  304.           minBufferSize(0),

  305.           sequenceSize(MAX_DEFAULT_BUFFER_SIZE),

  306.           sampleRate(0.0),

  307.           frontendWinId(0),

  308.           windowTitle(nullptr)

  309.     {

  310.         LV2_Options_Option& optMaxBlockLenth(opts[MaxBlockLenth]);

  311.         optMaxBlockLenth.context = LV2_OPTIONS_INSTANCE;

  312.         optMaxBlockLenth.subject = 0;

  313.         optMaxBlockLenth.key     = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  314.         optMaxBlockLenth.size    = sizeof(int);

  315.         optMaxBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  316.         optMaxBlockLenth.value   = &maxBufferSize;

  317. 

  318.         LV2_Options_Option& optMinBlockLenth(opts[MinBlockLenth]);

  319.         optMinBlockLenth.context = LV2_OPTIONS_INSTANCE;

  320.         optMinBlockLenth.subject = 0;

  321.         optMinBlockLenth.key     = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  322.         optMinBlockLenth.size    = sizeof(int);

  323.         optMinBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  324.         optMinBlockLenth.value   = &minBufferSize;

  325. 

  326.         LV2_Options_Option& optSequenceSize(opts[SequenceSize]);

  327.         optSequenceSize.context = LV2_OPTIONS_INSTANCE;

  328.         optSequenceSize.subject = 0;

  329.         optSequenceSize.key     = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  330.         optSequenceSize.size    = sizeof(int);

  331.         optSequenceSize.type    = CARLA_URI_MAP_ID_ATOM_INT;

  332.         optSequenceSize.value   = &sequenceSize;

  333. 

  334.         LV2_Options_Option& optSampleRate(opts[SampleRate]);

  335.         optSampleRate.context = LV2_OPTIONS_INSTANCE;

  336.         optSampleRate.subject = 0;

  337.         optSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  338.         optSampleRate.size    = sizeof(double);

  339.         optSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

  340.         optSampleRate.value   = &sampleRate;

  341. 

  342.         LV2_Options_Option& optFrontendWinId(opts[FrontendWinId]);

  343.         optFrontendWinId.context = LV2_OPTIONS_INSTANCE;

  344.         optFrontendWinId.subject = 0;

  345.         optFrontendWinId.key     = CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID;

  346.         optFrontendWinId.size    = sizeof(int64_t);

  347.         optFrontendWinId.type    = CARLA_URI_MAP_ID_ATOM_LONG;

  348.         optFrontendWinId.value   = &frontendWinId;

  349. 

  350.         LV2_Options_Option& optWindowTitle(opts[WindowTitle]);

  351.         optWindowTitle.context = LV2_OPTIONS_INSTANCE;

  352.         optWindowTitle.subject = 0;

  353.         optWindowTitle.key     = CARLA_URI_MAP_ID_UI_WINDOW_TITLE;

  354.         optWindowTitle.size    = 0;

  355.         optWindowTitle.type    = CARLA_URI_MAP_ID_ATOM_STRING;

  356.         optWindowTitle.value   = nullptr;

  357. 

  358.         LV2_Options_Option& optNull(opts[Null]);

  359.         optNull.context = LV2_OPTIONS_INSTANCE;

  360.         optNull.subject = 0;

  361.         optNull.key     = CARLA_URI_MAP_ID_NULL;

  362.         optNull.size    = 0;

  363.         optNull.type    = CARLA_URI_MAP_ID_NULL;

  364.         optNull.value   = nullptr;

  365.     }

  366. 

  367.     ~CarlaPluginLV2Options() noexcept

  368.     {

  369.         LV2_Options_Option& optWindowTitle(opts[WindowTitle]);

  370. 

  371.         optWindowTitle.size  = 0;

  372.         optWindowTitle.value = nullptr;

  373. 

  374.         if (windowTitle != nullptr)

  375.         {

  376.             delete[] windowTitle;

  377.             windowTitle = nullptr;

  378.         }

  379.     }

  380. 

  381.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2Options);

  382. };

  383. 

  384. // -----------------------------------------------------------------------

  385. 

  386. class CarlaPluginLV2;

  387. 

  388. class CarlaPipeServerLV2 : public CarlaPipeServer

  389. {

  390. public:

  391.     enum UiState {

  392.         UiNone = 0,

  393.         UiHide,

  394.         UiShow,

  395.         UiCrashed

  396.     };

  397. 

  398.     CarlaPipeServerLV2(CarlaEngine* const engine, CarlaPluginLV2* const plugin)

  399.         : kEngine(engine),

  400.           kPlugin(plugin),

  401.           fFilename(),

  402.           fPluginURI(),

  403.           fUiURI(),

  404.           fUiState(UiNone) {}

  405. 

  406.     ~CarlaPipeServerLV2() noexcept override

  407.     {

  408.         CARLA_SAFE_ASSERT_INT(fUiState == UiNone, fUiState);

  409.     }

  410. 

  411.     UiState getAndResetUiState() noexcept

  412.     {

  413.         const UiState uiState(fUiState);

  414.         fUiState = UiNone;

  415.         return uiState;

  416.     }

  417. 

  418.     void setData(const char* const filename, const char* const pluginURI, const char* const uiURI) noexcept

  419.     {

  420.         fFilename  = filename;

  421.         fPluginURI = pluginURI;

  422.         fUiURI     = uiURI;

  423.     }

  424. 

  425.     bool startPipeServer() noexcept

  426.     {

  427.         const ScopedEngineEnvironmentLocker _seel(kEngine);

  428.         const ScopedEnvVar _sev1("LV2_PATH", kEngine->getOptions().pathLV2);

  429. #ifdef CARLA_OS_LINUX

  430.         const ScopedEnvVar _sev2("LD_PRELOAD", nullptr);

  431. #endif

  432. 

  433.         return CarlaPipeServer::startPipeServer(fFilename, fPluginURI, fUiURI);

  434.     }

  435. 

  436.     void writeUiOptionsMessage(const double sampleRate, const bool useTheme, const bool useThemeColors, const char* const windowTitle, uintptr_t transientWindowId) const noexcept

  437.     {

  438.         char tmpBuf[0xff+1];

  439.         tmpBuf[0xff] = '\0';

  440. 

  441.         const CarlaMutexLocker cml(getPipeLock());

  442.         const ScopedLocale csl;

  443. 

  444.         _writeMsgBuffer("uiOptions\n", 10);

  445. 

  446.         {

  447.             std::snprintf(tmpBuf, 0xff, "%g\n", sampleRate);

  448.             _writeMsgBuffer(tmpBuf, std::strlen(tmpBuf));

  449. 

  450.             std::snprintf(tmpBuf, 0xff, "%s\n", bool2str(useTheme));

  451.             _writeMsgBuffer(tmpBuf, std::strlen(tmpBuf));

  452. 

  453.             std::snprintf(tmpBuf, 0xff, "%s\n", bool2str(useThemeColors));

  454.             _writeMsgBuffer(tmpBuf, std::strlen(tmpBuf));

  455. 

  456.             writeAndFixMessage(windowTitle != nullptr ? windowTitle : "");

  457. 

  458.             std::snprintf(tmpBuf, 0xff, P_INTPTR "\n", transientWindowId);

  459.             _writeMsgBuffer(tmpBuf, std::strlen(tmpBuf));

  460.         }

  461. 

  462.         flushMessages();

  463.     }

  464. 

  465.     void writeUiTitleMessage(const char* const title) const noexcept

  466.     {

  467.         CARLA_SAFE_ASSERT_RETURN(title != nullptr && title[0] != '\0',);

  468. 

  469.         const CarlaMutexLocker cml(getPipeLock());

  470. 

  471.         _writeMsgBuffer("uiTitle\n", 8);

  472.         writeAndFixMessage(title);

  473.         flushMessages();

  474.     }

  475. 

  476. protected:

  477.     // returns true if msg was handled

  478.     bool msgReceived(const char* const msg) noexcept override;

  479. 

  480. private:

  481.     CarlaEngine*    const kEngine;

  482.     CarlaPluginLV2* const kPlugin;

  483. 

  484.     CarlaString fFilename;

  485.     CarlaString fPluginURI;

  486.     CarlaString fUiURI;

  487.     UiState     fUiState;

  488. 

  489.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPipeServerLV2)

  490. };

  491. 

  492. // -----------------------------------------------------

  493. 

  494. class CarlaPluginLV2 : public CarlaPlugin,

  495.                        private CarlaPluginUI::CloseCallback

  496. {

  497. public:

  498.     CarlaPluginLV2(CarlaEngine* const engine, const uint id)

  499.         : CarlaPlugin(engine, id),

  500.           fHandle(nullptr),

  501.           fHandle2(nullptr),

  502.           fDescriptor(nullptr),

  503.           fRdfDescriptor(nullptr),

  504.           fAudioInBuffers(nullptr),

  505.           fAudioOutBuffers(nullptr),

  506.           fCvInBuffers(nullptr),

  507.           fCvOutBuffers(nullptr),

  508.           fParamBuffers(nullptr),

  509.           fCanInit2(true),

  510.           fNeedsUiClose(false),

  511.           fLatencyChanged(false),

  512.           fLatencyIndex(-1),

  513.           fAtomBufferIn(),

  514.           fAtomBufferOut(),

  515.           fAtomForge(),

  516.           fEventsIn(),

  517.           fEventsOut(),

  518.           fLv2Options(),

  519.           fPipeServer(engine, this),

  520.           fCustomURIDs(),

  521.           fFirstActive(true),

  522.           fLastStateChunk(nullptr),

  523.           fLastTimeInfo(),

  524.           fExt(),

  525.           fUI()

  526.     {

  527.         carla_debug("CarlaPluginLV2::CarlaPluginLV2(%p, %i)", engine, id);

  528. 

  529.         carla_zeroPointers(fFeatures, kFeatureCountAll+1);

  530. 

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

  532.             fCustomURIDs.append(nullptr);

  533. 

  534. #if defined(__clang__)

  535. # pragma clang diagnostic push

  536. # pragma clang diagnostic ignored "-Wdeprecated-declarations"

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

  538. # pragma GCC diagnostic push

  539. # pragma GCC diagnostic ignored "-Wdeprecated-declarations"

  540. #endif

  541.         fAtomForge.Blank    = CARLA_URI_MAP_ID_ATOM_BLANK;

  542.         fAtomForge.Bool     = CARLA_URI_MAP_ID_ATOM_BOOL;

  543.         fAtomForge.Chunk    = CARLA_URI_MAP_ID_ATOM_CHUNK;

  544.         fAtomForge.Double   = CARLA_URI_MAP_ID_ATOM_DOUBLE;

  545.         fAtomForge.Float    = CARLA_URI_MAP_ID_ATOM_FLOAT;

  546.         fAtomForge.Int      = CARLA_URI_MAP_ID_ATOM_INT;

  547.         fAtomForge.Literal  = CARLA_URI_MAP_ID_ATOM_LITERAL;

  548.         fAtomForge.Long     = CARLA_URI_MAP_ID_ATOM_LONG;

  549.         fAtomForge.Object   = CARLA_URI_MAP_ID_ATOM_OBJECT;

  550.         fAtomForge.Path     = CARLA_URI_MAP_ID_ATOM_PATH;

  551.         fAtomForge.Property = CARLA_URI_MAP_ID_ATOM_PROPERTY;

  552.         fAtomForge.Resource = CARLA_URI_MAP_ID_ATOM_RESOURCE;

  553.         fAtomForge.Sequence = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  554.         fAtomForge.String   = CARLA_URI_MAP_ID_ATOM_STRING;

  555.         fAtomForge.Tuple    = CARLA_URI_MAP_ID_ATOM_TUPLE;

  556.         fAtomForge.URI      = CARLA_URI_MAP_ID_ATOM_URI;

  557.         fAtomForge.URID     = CARLA_URI_MAP_ID_ATOM_URID;

  558.         fAtomForge.Vector   = CARLA_URI_MAP_ID_ATOM_VECTOR;

  559. #if defined(__clang__)

  560. # pragma clang diagnostic pop

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

  562. # pragma GCC diagnostic pop

  563. #endif

  564.     }

  565. 

  566.     ~CarlaPluginLV2() override

  567.     {

  568.         carla_debug("CarlaPluginLV2::~CarlaPluginLV2()");

  569. 

  570.         // close UI

  571.         if (fUI.type != UI::TYPE_NULL)

  572.         {

  573.             showCustomUI(false);

  574. 

  575.             if (fUI.type == UI::TYPE_BRIDGE)

  576.             {

  577.                 fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout);

  578.             }

  579.             else

  580.             {

  581.                 if (fFeatures[kFeatureIdUiDataAccess] != nullptr && fFeatures[kFeatureIdUiDataAccess]->data != nullptr)

  582.                     delete (LV2_Extension_Data_Feature*)fFeatures[kFeatureIdUiDataAccess]->data;

  583. 

  584.                 if (fFeatures[kFeatureIdUiPortMap] != nullptr && fFeatures[kFeatureIdUiPortMap]->data != nullptr)

  585.                     delete (LV2UI_Port_Map*)fFeatures[kFeatureIdUiPortMap]->data;

  586. 

  587.                 if (fFeatures[kFeatureIdUiResize] != nullptr && fFeatures[kFeatureIdUiResize]->data != nullptr)

  588.                     delete (LV2UI_Resize*)fFeatures[kFeatureIdUiResize]->data;

  589. 

  590.                 if (fFeatures[kFeatureIdExternalUi] != nullptr && fFeatures[kFeatureIdExternalUi]->data != nullptr)

  591.                     delete (LV2_External_UI_Host*)fFeatures[kFeatureIdExternalUi]->data;

  592. 

  593.                 fUI.descriptor = nullptr;

  594.                 pData->uiLibClose();

  595.             }

  596. 

  597. #ifndef LV2_UIS_ONLY_BRIDGES

  598.             if (fUI.window != nullptr)

  599.             {

  600.                 delete fUI.window;

  601.                 fUI.window = nullptr;

  602.             }

  603. #endif

  604. 

  605.             fUI.rdfDescriptor = nullptr;

  606.         }

  607. 

  608.         pData->singleMutex.lock();

  609.         pData->masterMutex.lock();

  610. 

  611.         if (pData->client != nullptr && pData->client->isActive())

  612.             pData->client->deactivate();

  613. 

  614.         if (pData->active)

  615.         {

  616.             deactivate();

  617.             pData->active = false;

  618.         }

  619. 

  620.         if (fDescriptor != nullptr)

  621.         {

  622.             if (fDescriptor->cleanup != nullptr)

  623.             {

  624.                 if (fHandle != nullptr)

  625.                     fDescriptor->cleanup(fHandle);

  626.                 if (fHandle2 != nullptr)

  627.                     fDescriptor->cleanup(fHandle2);

  628.             }

  629. 

  630.             fHandle  = nullptr;

  631.             fHandle2 = nullptr;

  632.             fDescriptor = nullptr;

  633.         }

  634. 

  635.         if (fRdfDescriptor != nullptr)

  636.         {

  637.             delete fRdfDescriptor;

  638.             fRdfDescriptor = nullptr;

  639.         }

  640. 

  641.         if (fFeatures[kFeatureIdEvent] != nullptr && fFeatures[kFeatureIdEvent]->data != nullptr)

  642.             delete (LV2_Event_Feature*)fFeatures[kFeatureIdEvent]->data;

  643. 

  644.         if (fFeatures[kFeatureIdLogs] != nullptr && fFeatures[kFeatureIdLogs]->data != nullptr)

  645.             delete (LV2_Log_Log*)fFeatures[kFeatureIdLogs]->data;

  646. 

  647.         if (fFeatures[kFeatureIdStateMakePath] != nullptr && fFeatures[kFeatureIdStateMakePath]->data != nullptr)

  648.             delete (LV2_State_Make_Path*)fFeatures[kFeatureIdStateMakePath]->data;

  649. 

  650.         if (fFeatures[kFeatureIdStateMapPath] != nullptr && fFeatures[kFeatureIdStateMapPath]->data != nullptr)

  651.             delete (LV2_State_Map_Path*)fFeatures[kFeatureIdStateMapPath]->data;

  652. 

  653.         if (fFeatures[kFeatureIdPrograms] != nullptr && fFeatures[kFeatureIdPrograms]->data != nullptr)

  654.             delete (LV2_Programs_Host*)fFeatures[kFeatureIdPrograms]->data;

  655. 

  656.         if (fFeatures[kFeatureIdResizePort] != nullptr && fFeatures[kFeatureIdResizePort]->data != nullptr)

  657.             delete (LV2_Resize_Port_Resize*)fFeatures[kFeatureIdResizePort]->data;

  658. 

  659.         if (fFeatures[kFeatureIdRtMemPool] != nullptr && fFeatures[kFeatureIdRtMemPool]->data != nullptr)

  660.             delete (LV2_RtMemPool_Pool*)fFeatures[kFeatureIdRtMemPool]->data;

  661. 

  662.         if (fFeatures[kFeatureIdRtMemPoolOld] != nullptr && fFeatures[kFeatureIdRtMemPoolOld]->data != nullptr)

  663.             delete (LV2_RtMemPool_Pool_Deprecated*)fFeatures[kFeatureIdRtMemPoolOld]->data;

  664. 

  665.         if (fFeatures[kFeatureIdUriMap] != nullptr && fFeatures[kFeatureIdUriMap]->data != nullptr)

  666.             delete (LV2_URI_Map_Feature*)fFeatures[kFeatureIdUriMap]->data;

  667. 

  668.         if (fFeatures[kFeatureIdUridMap] != nullptr && fFeatures[kFeatureIdUridMap]->data != nullptr)

  669.             delete (LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data;

  670. 

  671.         if (fFeatures[kFeatureIdUridUnmap] != nullptr && fFeatures[kFeatureIdUridUnmap]->data != nullptr)

  672.             delete (LV2_URID_Unmap*)fFeatures[kFeatureIdUridUnmap]->data;

  673. 

  674.         if (fFeatures[kFeatureIdWorker] != nullptr && fFeatures[kFeatureIdWorker]->data != nullptr)

  675.             delete (LV2_Worker_Schedule*)fFeatures[kFeatureIdWorker]->data;

  676. 

  677.         for (uint32_t i=0; i < kFeatureCountAll; ++i)

  678.         {

  679.             if (fFeatures[i] != nullptr)

  680.             {

  681.                 delete fFeatures[i];

  682.                 fFeatures[i] = nullptr;

  683.             }

  684.         }

  685. 

  686.         for (LinkedList<const char*>::Itenerator it = fCustomURIDs.begin2(); it.valid(); it.next())

  687.         {

  688.             const char* const uri(it.getValue());

  689. 

  690.             if (uri != nullptr)

  691.                 delete[] uri;

  692.         }

  693. 

  694.         fCustomURIDs.clear();

  695. 

  696.         if (fLastStateChunk != nullptr)

  697.         {

  698.             std::free(fLastStateChunk);

  699.             fLastStateChunk = nullptr;

  700.         }

  701. 

  702.         clearBuffers();

  703.     }

  704. 

  705.     // -------------------------------------------------------------------

  706.     // Information (base)

  707. 

  708.     PluginType getType() const noexcept override

  709.     {

  710.         return PLUGIN_LV2;

  711.     }

  712. 

  713.     PluginCategory getCategory() const noexcept override

  714.     {

  715.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, CarlaPlugin::getCategory());

  716. 

  717.         const LV2_Property cat1(fRdfDescriptor->Type[0]);

  718.         const LV2_Property cat2(fRdfDescriptor->Type[1]);

  719. 

  720.         if (LV2_IS_DELAY(cat1, cat2))

  721.             return PLUGIN_CATEGORY_DELAY;

  722.         if (LV2_IS_DISTORTION(cat1, cat2))

  723.             return PLUGIN_CATEGORY_OTHER;

  724.         if (LV2_IS_DYNAMICS(cat1, cat2))

  725.             return PLUGIN_CATEGORY_DYNAMICS;

  726.         if (LV2_IS_EQ(cat1, cat2))

  727.             return PLUGIN_CATEGORY_EQ;

  728.         if (LV2_IS_FILTER(cat1, cat2))

  729.             return PLUGIN_CATEGORY_FILTER;

  730.         if (LV2_IS_GENERATOR(cat1, cat2))

  731.             return PLUGIN_CATEGORY_SYNTH;

  732.         if (LV2_IS_MODULATOR(cat1, cat2))

  733.             return PLUGIN_CATEGORY_MODULATOR;

  734.         if (LV2_IS_REVERB(cat1, cat2))

  735.             return PLUGIN_CATEGORY_DELAY;

  736.         if (LV2_IS_SIMULATOR(cat1, cat2))

  737.             return PLUGIN_CATEGORY_OTHER;

  738.         if (LV2_IS_SPATIAL(cat1, cat2))

  739.             return PLUGIN_CATEGORY_OTHER;

  740.         if (LV2_IS_SPECTRAL(cat1, cat2))

  741.             return PLUGIN_CATEGORY_UTILITY;

  742.         if (LV2_IS_UTILITY(cat1, cat2))

  743.             return PLUGIN_CATEGORY_UTILITY;

  744. 

  745.         return CarlaPlugin::getCategory();

  746.     }

  747. 

  748.     int64_t getUniqueId() const noexcept override

  749.     {

  750.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);

  751. 

  752.         return static_cast<int64_t>(fRdfDescriptor->UniqueID);

  753.     }

  754. 

  755.     // -------------------------------------------------------------------

  756.     // Information (count)

  757. 

  758.     uint32_t getMidiInCount() const noexcept override

  759.     {

  760.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);

  761. 

  762.         uint32_t count = 0;

  763. 

  764.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  765.         {

  766.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  767. 

  768.             if (LV2_IS_PORT_INPUT(portTypes) && LV2_PORT_SUPPORTS_MIDI_EVENT(portTypes))

  769.                 ++count;

  770.         }

  771. 

  772.         return count;

  773.     }

  774. 

  775.     uint32_t getMidiOutCount() const noexcept override

  776.     {

  777.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);

  778. 

  779.         uint32_t count = 0;

  780. 

  781.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  782.         {

  783.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  784. 

  785.             if (LV2_IS_PORT_OUTPUT(portTypes) && LV2_PORT_SUPPORTS_MIDI_EVENT(portTypes))

  786.                 ++count;

  787.         }

  788. 

  789.         return count;

  790.     }

  791. 

  792.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override

  793.     {

  794.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0);

  795.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);

  796. 

  797.         const int32_t rindex(pData->param.data[parameterId].rindex);

  798. 

  799.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  800.         {

  801.             const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);

  802.             return port->ScalePointCount;

  803.         }

  804. 

  805.         return 0;

  806.     }

  807. 

  808.     // -------------------------------------------------------------------

  809.     // Information (current data)

  810. 

  811.     // nothing

  812. 

  813.     // -------------------------------------------------------------------

  814.     // Information (per-plugin data)

  815. 

  816.     uint getOptionsAvailable() const noexcept override

  817.     {

  818.         const bool hasMidiIn(getMidiInCount() > 0);

  819. 

  820.         uint options = 0x0;

  821. 

  822.         if (fExt.programs != nullptr)

  823.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  824. 

  825.         if (fLatencyIndex == -1 && ! (hasMidiIn || needsFixedBuffer()))

  826.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  827. 

  828.         if (fCanInit2 && pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  829.         {

  830.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  831.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  832.             else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))

  833.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  834.         }

  835. 

  836.         if (hasMidiIn)

  837.         {

  838.             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  839.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  840.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  841.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  842.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  843.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  844.         }

  845. 

  846.         return options;

  847.     }

  848. 

  849.     float getParameterValue(const uint32_t parameterId) const noexcept override

  850.     {

  851.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr, 0.0f);

  852.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  853. 

  854.         if (pData->param.data[parameterId].hints & PARAMETER_IS_STRICT_BOUNDS)

  855.             pData->param.ranges[parameterId].fixValue(fParamBuffers[parameterId]);

  856. 

  857.         return fParamBuffers[parameterId];

  858.     }

  859. 

  860.     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override

  861.     {

  862.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0.0f);

  863.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  864. 

  865.         const int32_t rindex(pData->param.data[parameterId].rindex);

  866. 

  867.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  868.         {

  869.             const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);

  870.             CARLA_SAFE_ASSERT_RETURN(scalePointId < port->ScalePointCount, 0.0f);

  871. 

  872.             const LV2_RDF_PortScalePoint* const portScalePoint(&port->ScalePoints[scalePointId]);

  873.             return portScalePoint->Value;

  874.         }

  875. 

  876.         return 0.0f;

  877.     }

  878. 

  879.     void getLabel(char* const strBuf) const noexcept override

  880.     {

  881.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  882.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor->URI != nullptr,);

  883. 

  884.         std::strncpy(strBuf, fRdfDescriptor->URI, STR_MAX);

  885.     }

  886. 

  887.     void getMaker(char* const strBuf) const noexcept override

  888.     {

  889.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  890. 

  891.         if (fRdfDescriptor->Author != nullptr)

  892.             std::strncpy(strBuf, fRdfDescriptor->Author, STR_MAX);

  893.         else

  894.             CarlaPlugin::getMaker(strBuf);

  895.     }

  896. 

  897.     void getCopyright(char* const strBuf) const noexcept override

  898.     {

  899.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  900. 

  901.         if (fRdfDescriptor->License != nullptr)

  902.             std::strncpy(strBuf, fRdfDescriptor->License, STR_MAX);

  903.         else

  904.             CarlaPlugin::getCopyright(strBuf);

  905.     }

  906. 

  907.     void getRealName(char* const strBuf) const noexcept override

  908.     {

  909.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  910. 

  911.         if (fRdfDescriptor->Name != nullptr)

  912.             std::strncpy(strBuf, fRdfDescriptor->Name, STR_MAX);

  913.         else

  914.             CarlaPlugin::getRealName(strBuf);

  915.     }

  916. 

  917.     void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  918.     {

  919.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  920.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  921. 

  922.         const int32_t rindex(pData->param.data[parameterId].rindex);

  923. 

  924.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  925.             std::strncpy(strBuf, fRdfDescriptor->Ports[rindex].Name, STR_MAX);

  926.         else

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

  928.     }

  929. 

  930.     void getParameterSymbol(const uint32_t parameterId, char* const strBuf) const noexcept override

  931.     {

  932.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  933.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  934. 

  935.         const int32_t rindex(pData->param.data[parameterId].rindex);

  936. 

  937.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  938.             std::strncpy(strBuf, fRdfDescriptor->Ports[rindex].Symbol, STR_MAX);

  939.         else

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

  941.     }

  942. 

  943.     void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  944.     {

  945.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  946.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  947. 

  948.         const int32_t rindex(pData->param.data[parameterId].rindex);

  949. 

  950.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  951.         {

  952.             const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);

  953. 

  954.             if (LV2_HAVE_PORT_UNIT_SYMBOL(port->Unit.Hints) && port->Unit.Symbol != nullptr)

  955.             {

  956.                 std::strncpy(strBuf, port->Unit.Symbol, STR_MAX);

  957.                 return;

  958.             }

  959. 

  960.             if (LV2_HAVE_PORT_UNIT_UNIT(port->Unit.Hints))

  961.             {

  962.                 switch (port->Unit.Unit)

  963.                 {

  964.                 case LV2_PORT_UNIT_BAR:

  965.                     std::strncpy(strBuf, "bars", STR_MAX);

  966.                     return;

  967.                 case LV2_PORT_UNIT_BEAT:

  968.                     std::strncpy(strBuf, "beats", STR_MAX);

  969.                     return;

  970.                 case LV2_PORT_UNIT_BPM:

  971.                     std::strncpy(strBuf, "BPM", STR_MAX);

  972.                     return;

  973.                 case LV2_PORT_UNIT_CENT:

  974.                     std::strncpy(strBuf, "ct", STR_MAX);

  975.                     return;

  976.                 case LV2_PORT_UNIT_CM:

  977.                     std::strncpy(strBuf, "cm", STR_MAX);

  978.                     return;

  979.                 case LV2_PORT_UNIT_COEF:

  980.                     std::strncpy(strBuf, "(coef)", STR_MAX);

  981.                     return;

  982.                 case LV2_PORT_UNIT_DB:

  983.                     std::strncpy(strBuf, "dB", STR_MAX);

  984.                     return;

  985.                 case LV2_PORT_UNIT_DEGREE:

  986.                     std::strncpy(strBuf, "deg", STR_MAX);

  987.                     return;

  988.                 case LV2_PORT_UNIT_FRAME:

  989.                     std::strncpy(strBuf, "frames", STR_MAX);

  990.                     return;

  991.                 case LV2_PORT_UNIT_HZ:

  992.                     std::strncpy(strBuf, "Hz", STR_MAX);

  993.                     return;

  994.                 case LV2_PORT_UNIT_INCH:

  995.                     std::strncpy(strBuf, "in", STR_MAX);

  996.                     return;

  997.                 case LV2_PORT_UNIT_KHZ:

  998.                     std::strncpy(strBuf, "kHz", STR_MAX);

  999.                     return;

  1000.                 case LV2_PORT_UNIT_KM:

  1001.                     std::strncpy(strBuf, "km", STR_MAX);

  1002.                     return;

  1003.                 case LV2_PORT_UNIT_M:

  1004.                     std::strncpy(strBuf, "m", STR_MAX);

  1005.                     return;

  1006.                 case LV2_PORT_UNIT_MHZ:

  1007.                     std::strncpy(strBuf, "MHz", STR_MAX);

  1008.                     return;

  1009.                 case LV2_PORT_UNIT_MIDINOTE:

  1010.                     std::strncpy(strBuf, "note", STR_MAX);

  1011.                     return;

  1012.                 case LV2_PORT_UNIT_MILE:

  1013.                     std::strncpy(strBuf, "mi", STR_MAX);

  1014.                     return;

  1015.                 case LV2_PORT_UNIT_MIN:

  1016.                     std::strncpy(strBuf, "min", STR_MAX);

  1017.                     return;

  1018.                 case LV2_PORT_UNIT_MM:

  1019.                     std::strncpy(strBuf, "mm", STR_MAX);

  1020.                     return;

  1021.                 case LV2_PORT_UNIT_MS:

  1022.                     std::strncpy(strBuf, "ms", STR_MAX);

  1023.                     return;

  1024.                 case LV2_PORT_UNIT_OCT:

  1025.                     std::strncpy(strBuf, "oct", STR_MAX);

  1026.                     return;

  1027.                 case LV2_PORT_UNIT_PC:

  1028.                     std::strncpy(strBuf, "%", STR_MAX);

  1029.                     return;

  1030.                 case LV2_PORT_UNIT_S:

  1031.                     std::strncpy(strBuf, "s", STR_MAX);

  1032.                     return;

  1033.                 case LV2_PORT_UNIT_SEMITONE:

  1034.                     std::strncpy(strBuf, "semi", STR_MAX);

  1035.                     return;

  1036.                 }

  1037.             }

  1038.         }

  1039. 

  1040.         CarlaPlugin::getParameterUnit(parameterId, strBuf);

  1041.     }

  1042. 

  1043.     void getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override

  1044.     {

  1045.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  1046.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  1047. 

  1048.         const int32_t rindex(pData->param.data[parameterId].rindex);

  1049. 

  1050.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  1051.         {

  1052.             const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);

  1053.             CARLA_SAFE_ASSERT_RETURN(scalePointId < port->ScalePointCount,);

  1054. 

  1055.             const LV2_RDF_PortScalePoint* const portScalePoint(&port->ScalePoints[scalePointId]);

  1056. 

  1057.             if (portScalePoint->Label != nullptr)

  1058.             {

  1059.                 std::strncpy(strBuf, portScalePoint->Label, STR_MAX);

  1060.                 return;

  1061.             }

  1062.         }

  1063. 

  1064.         CarlaPlugin::getParameterScalePointLabel(parameterId, scalePointId, strBuf);

  1065.     }

  1066. 

  1067.     // -------------------------------------------------------------------

  1068.     // Set data (state)

  1069. 

  1070.     void prepareForSave() override

  1071.     {

  1072.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1073. 

  1074.         if (fExt.state != nullptr && fExt.state->save != nullptr)

  1075.         {

  1076.             fExt.state->save(fHandle, carla_lv2_state_store, this, LV2_STATE_IS_POD, fFeatures);

  1077. 

  1078.             if (fHandle2 != nullptr)

  1079.                 fExt.state->save(fHandle2, carla_lv2_state_store, this, LV2_STATE_IS_POD, fFeatures);

  1080.         }

  1081.     }

  1082. 

  1083.     // -------------------------------------------------------------------

  1084.     // Set data (internal stuff)

  1085. 

  1086.     void setName(const char* const newName) override

  1087.     {

  1088.         CarlaPlugin::setName(newName);

  1089. 

  1090.         if (fLv2Options.windowTitle == nullptr)

  1091.             return;

  1092. 

  1093.         CarlaString guiTitle(pData->name);

  1094.         guiTitle += " (GUI)";

  1095. 

  1096.         delete[] fLv2Options.windowTitle;

  1097.         fLv2Options.windowTitle = guiTitle.dup();

  1098. 

  1099.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size  = (uint32_t)std::strlen(fLv2Options.windowTitle);

  1100.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle;

  1101. 

  1102.         if (fFeatures[kFeatureIdExternalUi] != nullptr && fFeatures[kFeatureIdExternalUi]->data != nullptr)

  1103.             ((LV2_External_UI_Host*)fFeatures[kFeatureIdExternalUi]->data)->plugin_human_id = fLv2Options.windowTitle;

  1104. 

  1105.         if (fPipeServer.isPipeRunning())

  1106.             fPipeServer.writeUiTitleMessage(fLv2Options.windowTitle);

  1107. 

  1108. #ifndef LV2_UIS_ONLY_BRIDGES

  1109.         if (fUI.window != nullptr)

  1110.             fUI.window->setTitle(fLv2Options.windowTitle);

  1111. #endif

  1112.     }

  1113. 

  1114.     // -------------------------------------------------------------------

  1115.     // Set data (plugin-specific stuff)

  1116. 

  1117.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1118.     {

  1119.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

  1120.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  1121. 

  1122.         const float fixedValue(pData->param.getFixedValue(parameterId, value));

  1123.         fParamBuffers[parameterId] = fixedValue;

  1124. 

  1125.         CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback);

  1126.     }

  1127. 

  1128.     void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override

  1129.     {

  1130.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1131.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1132.         CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  1133.         CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  1134.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  1135.         carla_debug("CarlaPluginLV2::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  1136. 

  1137.         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)

  1138.             return CarlaPlugin::setCustomData(type, key, value, sendGui);

  1139. 

  1140.         // we should only call state restore once

  1141.         // so inject this in CarlaPlugin::loadSaveState

  1142.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) == 0 && std::strcmp(key, "CarlaLoadLv2StateNow") == 0 && std::strcmp(value, "true") == 0)

  1143.         {

  1144.             if (fExt.state == nullptr)

  1145.                 return;

  1146. 

  1147.             LV2_State_Status status = LV2_STATE_ERR_UNKNOWN;

  1148. 

  1149.             {

  1150.                 const ScopedSingleProcessLocker spl(this, true);

  1151. 

  1152.                 try {

  1153.                     status = fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures);

  1154.                 } catch(...) {}

  1155. 

  1156.                 if (fHandle2 != nullptr)

  1157.                 {

  1158.                     try {

  1159.                         fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures);

  1160.                     } catch(...) {}

  1161.                 }

  1162.             }

  1163. 

  1164.             switch (status)

  1165.             {

  1166.             case LV2_STATE_SUCCESS:

  1167.                 carla_debug("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - success", type, key, bool2str(sendGui));

  1168.                 break;

  1169.             case LV2_STATE_ERR_UNKNOWN:

  1170.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - unknown error", type, key, bool2str(sendGui));

  1171.                 break;

  1172.             case LV2_STATE_ERR_BAD_TYPE:

  1173.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, bad type", type, key, bool2str(sendGui));

  1174.                 break;

  1175.             case LV2_STATE_ERR_BAD_FLAGS:

  1176.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, bad flags", type, key, bool2str(sendGui));

  1177.                 break;

  1178.             case LV2_STATE_ERR_NO_FEATURE:

  1179.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, missing feature", type, key, bool2str(sendGui));

  1180.                 break;

  1181.             case LV2_STATE_ERR_NO_PROPERTY:

  1182.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, missing property", type, key, bool2str(sendGui));

  1183.                 break;

  1184.             }

  1185.             return;

  1186.         }

  1187. 

  1188.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  1189.     }

  1190. 

  1191.     void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1192.     {

  1193.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1194.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->prog.count),);

  1195. 

  1196.         if (index >= 0 && index < static_cast<int32_t>(fRdfDescriptor->PresetCount))

  1197.         {

  1198.             if (LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fRdfDescriptor->Presets[index].URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data))

  1199.             {

  1200.                 const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  1201. 

  1202.                 lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures);

  1203. 

  1204.                 if (fHandle2 != nullptr)

  1205.                     lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures);

  1206. 

  1207.                 lilv_state_free(state);

  1208.             }

  1209.         }

  1210. 

  1211.         CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback);

  1212.     }

  1213. 

  1214.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1215.     {

  1216.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1217.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  1218. 

  1219.         if (index >= 0 && fExt.programs != nullptr && fExt.programs->select_program != nullptr)

  1220.         {

  1221.             const uint32_t bank(pData->midiprog.data[index].bank);

  1222.             const uint32_t program(pData->midiprog.data[index].program);

  1223. 

  1224.             const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  1225. 

  1226.             try {

  1227.                 fExt.programs->select_program(fHandle, bank, program);

  1228.             } catch(...) {}

  1229. 

  1230.             if (fHandle2 != nullptr)

  1231.             {

  1232.                 try {

  1233.                     fExt.programs->select_program(fHandle2, bank, program);

  1234.                 } catch(...) {}

  1235.             }

  1236.         }

  1237. 

  1238.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  1239.     }

  1240. 

  1241.     // -------------------------------------------------------------------

  1242.     // Set ui stuff

  1243. 

  1244.     void showCustomUI(const bool yesNo) override

  1245.     {

  1246.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  1247. 

  1248.         const uintptr_t frontendWinId(pData->engine->getOptions().frontendWinId);

  1249. 

  1250.         if (! yesNo)

  1251.             pData->transientTryCounter = 0;

  1252. 

  1253.         if (fUI.type == UI::TYPE_BRIDGE)

  1254.         {

  1255.             if (yesNo)

  1256.             {

  1257.                 if (fPipeServer.isPipeRunning())

  1258.                 {

  1259.                     fPipeServer.writeFocusMessage();

  1260.                     return;

  1261.                 }

  1262. 

  1263.                 if (! fPipeServer.startPipeServer())

  1264.                 {

  1265.                     pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1266.                     return;

  1267.                 }

  1268. 

  1269.                 for (std::size_t i=CARLA_URI_MAP_ID_COUNT, count=fCustomURIDs.count(); i < count; ++i)

  1270.                     fPipeServer.writeLv2UridMessage(static_cast<uint32_t>(i), fCustomURIDs.getAt(i, nullptr));

  1271. 

  1272.                 fPipeServer.writeUiOptionsMessage(pData->engine->getSampleRate(), true, true, fLv2Options.windowTitle, frontendWinId);

  1273. 

  1274.                 // send control ports

  1275.                 for (uint32_t i=0; i < pData->param.count; ++i)

  1276.                     fPipeServer.writeControlMessage(static_cast<uint32_t>(pData->param.data[i].rindex), getParameterValue(i));

  1277. 

  1278.                 fPipeServer.writeShowMessage();

  1279. #ifndef BUILD_BRIDGE

  1280.                 if (fUI.rdfDescriptor->Type == LV2_UI_MOD)

  1281.                     pData->tryTransient();

  1282. #endif

  1283.             }

  1284.             else

  1285.             {

  1286.                 fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout);

  1287.             }

  1288.             return;

  1289.         }

  1290. 

  1291.         // take some precautions

  1292.         CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,);

  1293.         CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr,);

  1294. 

  1295.         if (yesNo)

  1296.         {

  1297.             CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->instantiate != nullptr,);

  1298.             CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->cleanup != nullptr,);

  1299.         }

  1300.         else

  1301.         {

  1302.             if (fUI.handle == nullptr)

  1303.                 return;

  1304.         }

  1305. 

  1306.         if (yesNo)

  1307.         {

  1308.             if (fUI.handle == nullptr)

  1309.             {

  1310. #ifndef LV2_UIS_ONLY_BRIDGES

  1311.                 if (fUI.type == UI::TYPE_EMBED && fUI.window == nullptr)

  1312.                 {

  1313.                     const char* msg = nullptr;

  1314. 

  1315.                     switch (fUI.rdfDescriptor->Type)

  1316.                     {

  1317.                     case LV2_UI_GTK2:

  1318.                     case LV2_UI_GTK3:

  1319.                     case LV2_UI_QT4:

  1320.                     case LV2_UI_QT5:

  1321.                     case LV2_UI_EXTERNAL:

  1322.                     case LV2_UI_OLD_EXTERNAL:

  1323.                         msg = "Invalid UI type";

  1324.                         break;

  1325. 

  1326.                     case LV2_UI_COCOA:

  1327. # ifdef CARLA_OS_MAC

  1328.                         fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, isUiResizable());

  1329. # else

  1330.                         msg = "UI is for MacOS only";

  1331. # endif

  1332.                         break;

  1333. 

  1334.                     case LV2_UI_WINDOWS:

  1335. # ifdef CARLA_OS_WIN

  1336.                         fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, isUiResizable());

  1337. # else

  1338.                         msg = "UI is for Windows only";

  1339. # endif

  1340.                         break;

  1341. 

  1342.                     case LV2_UI_X11:

  1343. # ifdef HAVE_X11

  1344.                         fUI.window = CarlaPluginUI::newX11(this, frontendWinId, isUiResizable());

  1345. # else

  1346.                         msg = "UI is only for systems with X11";

  1347. # endif

  1348.                         break;

  1349. 

  1350.                     default:

  1351.                         msg = "Unknown UI type";

  1352.                         break;

  1353.                     }

  1354. 

  1355.                     if (fUI.window == nullptr && fExt.uishow == nullptr)

  1356.                         return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, msg);

  1357. 

  1358.                     if (fUI.window != nullptr)

  1359.                         fFeatures[kFeatureIdUiParent]->data = fUI.window->getPtr();

  1360.                 }

  1361. #endif

  1362.                 if (fUI.window != nullptr)

  1363.                     fUI.window->setTitle(fLv2Options.windowTitle);

  1364. 

  1365.                 fUI.widget = nullptr;

  1366.                 fUI.handle = fUI.descriptor->instantiate(fUI.descriptor, fRdfDescriptor->URI, fUI.rdfDescriptor->Bundle,

  1367.                                                          carla_lv2_ui_write_function, this, &fUI.widget, fFeatures);

  1368.             }

  1369. 

  1370.             CARLA_SAFE_ASSERT(fUI.handle != nullptr);

  1371.             CARLA_SAFE_ASSERT(fUI.type != UI::TYPE_EXTERNAL || fUI.widget != nullptr);

  1372. 

  1373.             if (fUI.handle == nullptr || (fUI.type == UI::TYPE_EXTERNAL && fUI.widget == nullptr))

  1374.             {

  1375.                 fUI.widget = nullptr;

  1376. 

  1377.                 if (fUI.handle != nullptr)

  1378.                 {

  1379.                     fUI.descriptor->cleanup(fUI.handle);

  1380.                     fUI.handle = nullptr;

  1381.                 }

  1382. 

  1383.                 return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, "Plugin refused to open its own UI");

  1384.             }

  1385. 

  1386.             updateUi();

  1387. 

  1388. #ifndef LV2_UIS_ONLY_BRIDGES

  1389.             if (fUI.type == UI::TYPE_EMBED)

  1390.             {

  1391.                 if (fUI.window != nullptr)

  1392.                 {

  1393.                     fUI.window->show();

  1394.                 }

  1395.                 else if (fExt.uishow != nullptr)

  1396.                 {

  1397.                     fExt.uishow->show(fUI.handle);

  1398. # ifndef BUILD_BRIDGE

  1399.                     pData->tryTransient();

  1400. # endif

  1401.                 }

  1402.             }

  1403.             else

  1404. #endif

  1405.             {

  1406.                 LV2_EXTERNAL_UI_SHOW((LV2_External_UI_Widget*)fUI.widget);

  1407. #ifndef BUILD_BRIDGE

  1408.                 pData->tryTransient();

  1409. #endif

  1410.             }

  1411.         }

  1412.         else

  1413.         {

  1414. #ifndef LV2_UIS_ONLY_BRIDGES

  1415.             if (fUI.type == UI::TYPE_EMBED)

  1416.             {

  1417.                 if (fUI.window != nullptr)

  1418.                     fUI.window->hide();

  1419.                 else if (fExt.uishow != nullptr)

  1420.                     fExt.uishow->hide(fUI.handle);

  1421.             }

  1422.             else

  1423. #endif

  1424.             {

  1425.                 CARLA_SAFE_ASSERT(fUI.widget != nullptr);

  1426. 

  1427.                 if (fUI.widget != nullptr)

  1428.                     LV2_EXTERNAL_UI_HIDE((LV2_External_UI_Widget*)fUI.widget);

  1429.             }

  1430. 

  1431.             fUI.descriptor->cleanup(fUI.handle);

  1432.             fUI.handle = nullptr;

  1433.             fUI.widget = nullptr;

  1434.         }

  1435.     }

  1436. 

  1437. #if 0 // TODO

  1438.     void idle() override

  1439.     {

  1440.         if (fLatencyChanged && fLatencyIndex != -1)

  1441.         {

  1442.             fLatencyChanged = false;

  1443. 

  1444.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1445. 

  1446.             if (latency >= 0)

  1447.             {

  1448.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1449. 

  1450.                 if (pData->latency != ulatency)

  1451.                 {

  1452.                     carla_stdout("latency changed to %i", latency);

  1453. 

  1454.                     const ScopedSingleProcessLocker sspl(this, true);

  1455. 

  1456.                     pData->latency = ulatency;

  1457.                     pData->client->setLatency(ulatency);

  1458. #ifndef BUILD_BRIDGE

  1459.                     pData->recreateLatencyBuffers();

  1460. #endif

  1461.                 }

  1462.             }

  1463.             else

  1464.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1465.         }

  1466. 

  1467.         CarlaPlugin::idle();

  1468.     }

  1469. #endif

  1470. 

  1471.     void uiIdle() override

  1472.     {

  1473.         if (fAtomBufferOut.isDataAvailableForReading())

  1474.         {

  1475.             uint8_t dumpBuf[fAtomBufferOut.getSize()];

  1476. 

  1477.             Lv2AtomRingBuffer tmpRingBuffer(fAtomBufferOut, dumpBuf);

  1478.             CARLA_SAFE_ASSERT(tmpRingBuffer.isDataAvailableForReading());

  1479. 

  1480.             uint32_t portIndex;

  1481.             const LV2_Atom* atom;

  1482.             const bool hasPortEvent(fUI.handle != nullptr && fUI.descriptor != nullptr &&

  1483.                                     fUI.descriptor->port_event != nullptr && ! fNeedsUiClose);

  1484. 

  1485.             for (; tmpRingBuffer.get(atom, portIndex);)

  1486.             {

  1487.                 if (atom->type == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  1488.                 {

  1489.                     CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work != nullptr);

  1490.                     fExt.worker->work(fHandle, carla_lv2_worker_respond, this, atom->size, LV2_ATOM_BODY_CONST(atom));

  1491.                 }

  1492.                 else if (fUI.type == UI::TYPE_BRIDGE)

  1493.                 {

  1494.                     if (fPipeServer.isPipeRunning())

  1495.                         fPipeServer.writeLv2AtomMessage(portIndex, atom);

  1496.                 }

  1497.                 else

  1498.                 {

  1499.                     if (hasPortEvent)

  1500.                         fUI.descriptor->port_event(fUI.handle, portIndex, lv2_atom_total_size(atom), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1501.                 }

  1502.             }

  1503.         }

  1504. 

  1505.         if (fPipeServer.isPipeRunning())

  1506.         {

  1507.             fPipeServer.idlePipe();

  1508. 

  1509.             switch (fPipeServer.getAndResetUiState())

  1510.             {

  1511.             case CarlaPipeServerLV2::UiNone:

  1512.             case CarlaPipeServerLV2::UiShow:

  1513.                 break;

  1514.             case CarlaPipeServerLV2::UiHide:

  1515.                 fPipeServer.stopPipeServer(2000);

  1516.                 // nobreak

  1517.             case CarlaPipeServerLV2::UiCrashed:

  1518.                 pData->transientTryCounter = 0;

  1519.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1520.                 break;

  1521.             }

  1522.         }

  1523.         else

  1524.         {

  1525.             // TODO - detect if ui-bridge crashed

  1526.         }

  1527. 

  1528.         if (fNeedsUiClose)

  1529.         {

  1530.             fNeedsUiClose = false;

  1531.             showCustomUI(false);

  1532.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1533.         }

  1534.         else if (fUI.handle != nullptr && fUI.descriptor != nullptr)

  1535.         {

  1536.             if (fUI.type == UI::TYPE_EXTERNAL && fUI.widget != nullptr)

  1537.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)fUI.widget);

  1538. #ifndef LV2_UIS_ONLY_BRIDGES

  1539.             else if (fUI.type == UI::TYPE_EMBED && fUI.window != nullptr)

  1540.                 fUI.window->idle();

  1541. 

  1542.             // note: UI might have been closed by window idle

  1543.             if (fNeedsUiClose)

  1544.                 pass();

  1545.             else if (fUI.handle != nullptr && fExt.uiidle != nullptr && fExt.uiidle->idle(fUI.handle) != 0)

  1546.             {

  1547.                 showCustomUI(false);

  1548.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1549.                 CARLA_SAFE_ASSERT(fUI.handle == nullptr);

  1550.             }

  1551. #endif

  1552.         }

  1553. 

  1554.         CarlaPlugin::uiIdle();

  1555.     }

  1556. 

  1557.     // -------------------------------------------------------------------

  1558.     // Plugin state

  1559. 

  1560.     void reload() override

  1561.     {

  1562.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  1563.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1564.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1565.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  1566.         carla_debug("CarlaPluginLV2::reload() - start");

  1567. 

  1568.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  1569. 

  1570.         // Safely disable plugin for reload

  1571.         const ScopedDisabler sd(this);

  1572. 

  1573.         if (pData->active)

  1574.             deactivate();

  1575. 

  1576.         clearBuffers();

  1577. 

  1578.         const float sampleRate(static_cast<float>(pData->engine->getSampleRate()));

  1579.         const uint32_t portCount(fRdfDescriptor->PortCount);

  1580. 

  1581.         uint32_t aIns, aOuts, cvIns, cvOuts, params;

  1582.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1583.         LinkedList<uint> evIns, evOuts;

  1584. 

  1585.         const uint32_t eventBufferSize(static_cast<uint32_t>(fLv2Options.sequenceSize)+0xff);

  1586. 

  1587.         bool forcedStereoIn, forcedStereoOut;

  1588.         forcedStereoIn = forcedStereoOut = false;

  1589. 

  1590.         bool needsCtrlIn, needsCtrlOut;

  1591.         needsCtrlIn = needsCtrlOut = false;

  1592. 

  1593.         for (uint32_t i=0; i < portCount; ++i)

  1594.         {

  1595.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  1596. 

  1597.             if (LV2_IS_PORT_AUDIO(portTypes))

  1598.             {

  1599.                 if (LV2_IS_PORT_INPUT(portTypes))

  1600.                     aIns += 1;

  1601.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1602.                     aOuts += 1;

  1603.             }

  1604.             else if (LV2_IS_PORT_CV(portTypes))

  1605.             {

  1606.                 if (LV2_IS_PORT_INPUT(portTypes))

  1607.                     cvIns += 1;

  1608.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1609.                     cvOuts += 1;

  1610.             }

  1611.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes))

  1612.             {

  1613.                 if (LV2_IS_PORT_INPUT(portTypes))

  1614.                     evIns.append(CARLA_EVENT_DATA_ATOM);

  1615.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1616.                     evOuts.append(CARLA_EVENT_DATA_ATOM);

  1617.             }

  1618.             else if (LV2_IS_PORT_EVENT(portTypes))

  1619.             {

  1620.                 if (LV2_IS_PORT_INPUT(portTypes))

  1621.                     evIns.append(CARLA_EVENT_DATA_EVENT);

  1622.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1623.                     evOuts.append(CARLA_EVENT_DATA_EVENT);

  1624.             }

  1625.             else if (LV2_IS_PORT_MIDI_LL(portTypes))

  1626.             {

  1627.                 if (LV2_IS_PORT_INPUT(portTypes))

  1628.                     evIns.append(CARLA_EVENT_DATA_MIDI_LL);

  1629.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1630.                     evOuts.append(CARLA_EVENT_DATA_MIDI_LL);

  1631.             }

  1632.             else if (LV2_IS_PORT_CONTROL(portTypes))

  1633.                 params += 1;

  1634.         }

  1635. 

  1636.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1) && fExt.state == nullptr && fExt.worker == nullptr)

  1637.         {

  1638.             if (fHandle2 == nullptr)

  1639.             {

  1640.                 try {

  1641.                     fHandle2 = fDescriptor->instantiate(fDescriptor, sampleRate, fRdfDescriptor->Bundle, fFeatures);

  1642.                 } catch(...) {}

  1643.             }

  1644. 

  1645.             if (fHandle2 != nullptr)

  1646.             {

  1647.                 if (aIns == 1)

  1648.                 {

  1649.                     aIns = 2;

  1650.                     forcedStereoIn = true;

  1651.                 }

  1652. 

  1653.                 if (aOuts == 1)

  1654.                 {

  1655.                     aOuts = 2;

  1656.                     forcedStereoOut = true;

  1657.                 }

  1658.             }

  1659.         }

  1660. 

  1661.         if (aIns > 0)

  1662.         {

  1663.             pData->audioIn.createNew(aIns);

  1664.             fAudioInBuffers = new float*[aIns];

  1665. 

  1666.             for (uint32_t i=0; i < aIns; ++i)

  1667.                 fAudioInBuffers[i] = nullptr;

  1668.         }

  1669. 

  1670.         if (aOuts > 0)

  1671.         {

  1672.             pData->audioOut.createNew(aOuts);

  1673.             fAudioOutBuffers = new float*[aOuts];

  1674.             needsCtrlIn = true;

  1675. 

  1676.             for (uint32_t i=0; i < aOuts; ++i)

  1677.                 fAudioOutBuffers[i] = nullptr;

  1678.         }

  1679. 

  1680.         if (cvIns > 0)

  1681.         {

  1682.             pData->cvIn.createNew(cvIns);

  1683.             fCvInBuffers = new float*[cvIns];

  1684. 

  1685.             for (uint32_t i=0; i < cvIns; ++i)

  1686.                 fCvInBuffers[i] = nullptr;

  1687.         }

  1688. 

  1689.         if (cvOuts > 0)

  1690.         {

  1691.             pData->cvOut.createNew(cvOuts);

  1692.             fCvOutBuffers = new float*[cvOuts];

  1693. 

  1694.             for (uint32_t i=0; i < cvOuts; ++i)

  1695.                 fCvOutBuffers[i] = nullptr;

  1696.         }

  1697. 

  1698.         if (params > 0)

  1699.         {

  1700.             pData->param.createNew(params, true);

  1701.             fParamBuffers = new float[params];

  1702.             FloatVectorOperations::clear(fParamBuffers, static_cast<int>(params));

  1703.         }

  1704. 

  1705.         if (const uint32_t count = static_cast<uint32_t>(evIns.count()))

  1706.         {

  1707.             fEventsIn.createNew(count);

  1708. 

  1709.             for (uint32_t i=0; i < count; ++i)

  1710.             {

  1711.                 const uint32_t& type(evIns.getAt(i, 0x0));

  1712. 

  1713.                 if (type == CARLA_EVENT_DATA_ATOM)

  1714.                 {

  1715.                     fEventsIn.data[i].type = CARLA_EVENT_DATA_ATOM;

  1716.                     fEventsIn.data[i].atom = lv2_atom_buffer_new(eventBufferSize, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_ATOM_SEQUENCE, true);

  1717.                 }

  1718.                 else if (type == CARLA_EVENT_DATA_EVENT)

  1719.                 {

  1720.                     fEventsIn.data[i].type  = CARLA_EVENT_DATA_EVENT;

  1721.                     fEventsIn.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP);

  1722.                 }

  1723.                 else if (type == CARLA_EVENT_DATA_MIDI_LL)

  1724.                 {

  1725.                     fEventsIn.data[i].type = CARLA_EVENT_DATA_MIDI_LL;

  1726.                     fEventsIn.data[i].midi.capacity = eventBufferSize;

  1727.                     fEventsIn.data[i].midi.data     = new uchar[eventBufferSize];

  1728.                 }

  1729.             }

  1730.         }

  1731.         else

  1732.         {

  1733.             fEventsIn.createNew(1);

  1734.             fEventsIn.ctrl = &fEventsIn.data[0];

  1735.         }

  1736. 

  1737.         if (const uint32_t count = static_cast<uint32_t>(evOuts.count()))

  1738.         {

  1739.             fEventsOut.createNew(count);

  1740. 

  1741.             for (uint32_t i=0; i < count; ++i)

  1742.             {

  1743.                 const uint32_t& type(evOuts.getAt(i, 0x0));

  1744. 

  1745.                 if (type == CARLA_EVENT_DATA_ATOM)

  1746.                 {

  1747.                     fEventsOut.data[i].type = CARLA_EVENT_DATA_ATOM;

  1748.                     fEventsOut.data[i].atom = lv2_atom_buffer_new(eventBufferSize, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_ATOM_SEQUENCE, false);

  1749.                 }

  1750.                 else if (type == CARLA_EVENT_DATA_EVENT)

  1751.                 {

  1752.                     fEventsOut.data[i].type  = CARLA_EVENT_DATA_EVENT;

  1753.                     fEventsOut.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP);

  1754.                 }

  1755.                 else if (type == CARLA_EVENT_DATA_MIDI_LL)

  1756.                 {

  1757.                     fEventsOut.data[i].type = CARLA_EVENT_DATA_MIDI_LL;

  1758.                     fEventsOut.data[i].midi.capacity = eventBufferSize;

  1759.                     fEventsOut.data[i].midi.data     = new uchar[eventBufferSize];

  1760.                 }

  1761.             }

  1762.         }

  1763. 

  1764.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  1765.         CarlaString portName;

  1766. 

  1767.         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCvIn=0, iCvOut=0, iEvIn=0, iEvOut=0, iCtrl=0; i < portCount; ++i)

  1768.         {

  1769.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  1770. 

  1771.             portName.clear();

  1772. 

  1773.             if (LV2_IS_PORT_AUDIO(portTypes) || LV2_IS_PORT_CV(portTypes) || LV2_IS_PORT_ATOM_SEQUENCE(portTypes) || LV2_IS_PORT_EVENT(portTypes) || LV2_IS_PORT_MIDI_LL(portTypes))

  1774.             {

  1775.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1776.                 {

  1777.                     portName  = pData->name;

  1778.                     portName += ":";

  1779.                 }

  1780. 

  1781.                 portName += fRdfDescriptor->Ports[i].Name;

  1782.                 portName.truncate(portNameSize);

  1783.             }

  1784. 

  1785.             if (LV2_IS_PORT_AUDIO(portTypes))

  1786.             {

  1787.                 if (LV2_IS_PORT_INPUT(portTypes))

  1788.                 {

  1789.                     const uint32_t j = iAudioIn++;

  1790.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1791.                     pData->audioIn.ports[j].rindex = i;

  1792. 

  1793.                     if (forcedStereoIn)

  1794.                     {

  1795.                         portName += "_2";

  1796.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1797.                         pData->audioIn.ports[1].rindex = i;

  1798.                     }

  1799.                 }

  1800.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1801.                 {

  1802.                     const uint32_t j = iAudioOut++;

  1803.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1804.                     pData->audioOut.ports[j].rindex = i;

  1805. 

  1806.                     if (forcedStereoOut)

  1807.                     {

  1808.                         portName += "_2";

  1809.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1810.                         pData->audioOut.ports[1].rindex = i;

  1811.                     }

  1812.                 }

  1813.                 else

  1814.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1815.             }

  1816.             else if (LV2_IS_PORT_CV(portTypes))

  1817.             {

  1818.                 if (LV2_IS_PORT_INPUT(portTypes))

  1819.                 {

  1820.                     const uint32_t j = iCvIn++;

  1821.                     pData->cvIn.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, true, j);

  1822.                     pData->cvIn.ports[j].rindex = i;

  1823.                 }

  1824.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1825.                 {

  1826.                     const uint32_t j = iCvOut++;

  1827.                     pData->cvOut.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, false, j);

  1828.                     pData->cvOut.ports[j].rindex = i;

  1829.                 }

  1830.                 else

  1831.                     carla_stderr("WARNING - Got a broken Port (CV, but not input or output)");

  1832.             }

  1833.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes))

  1834.             {

  1835.                 if (LV2_IS_PORT_INPUT(portTypes))

  1836.                 {

  1837.                     const uint32_t j = iEvIn++;

  1838. 

  1839.                     fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].atom->atoms);

  1840. 

  1841.                     if (fHandle2 != nullptr)

  1842.                         fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].atom->atoms);

  1843. 

  1844.                     fEventsIn.data[j].rindex = i;

  1845. 

  1846.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1847.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1848.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1849.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1850.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1851.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1852. 

  1853.                     if (evIns.count() == 1)

  1854.                     {

  1855.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1856.                         fEventsIn.ctrlIndex = j;

  1857. 

  1858.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1859.                             needsCtrlIn = true;

  1860.                     }

  1861.                     else

  1862.                     {

  1863.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1864.                             fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  1865. 

  1866.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1867.                         {

  1868.                             fEventsIn.ctrl = &fEventsIn.data[j];

  1869.                             fEventsIn.ctrlIndex = j;

  1870.                         }

  1871.                     }

  1872.                 }

  1873.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1874.                 {

  1875.                     const uint32_t j = iEvOut++;

  1876. 

  1877.                     fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].atom->atoms);

  1878. 

  1879.                     if (fHandle2 != nullptr)

  1880.                         fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].atom->atoms);

  1881. 

  1882.                     fEventsOut.data[j].rindex = i;

  1883. 

  1884.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1885.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1886.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1887.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1888.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1889.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1890. 

  1891.                     if (evOuts.count() == 1)

  1892.                     {

  1893.                         fEventsOut.ctrl = &fEventsOut.data[j];

  1894.                         fEventsOut.ctrlIndex = j;

  1895. 

  1896.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1897.                             needsCtrlOut = true;

  1898.                     }

  1899.                     else

  1900.                     {

  1901.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1902.                             fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  1903. 

  1904.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1905.                         {

  1906.                             fEventsOut.ctrl = &fEventsOut.data[j];

  1907.                             fEventsOut.ctrlIndex = j;

  1908.                         }

  1909.                     }

  1910.                 }

  1911.                 else

  1912.                     carla_stderr2("WARNING - Got a broken Port (Atom-Sequence, but not input or output)");

  1913.             }

  1914.             else if (LV2_IS_PORT_EVENT(portTypes))

  1915.             {

  1916.                 if (LV2_IS_PORT_INPUT(portTypes))

  1917.                 {

  1918.                     const uint32_t j = iEvIn++;

  1919. 

  1920.                     fDescriptor->connect_port(fHandle, i, fEventsIn.data[j].event);

  1921. 

  1922.                     if (fHandle2 != nullptr)

  1923.                         fDescriptor->connect_port(fHandle2, i, fEventsIn.data[j].event);

  1924. 

  1925.                     fEventsIn.data[j].rindex = i;

  1926. 

  1927.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1928.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1929.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1930.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1931.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1932.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1933. 

  1934.                     if (evIns.count() == 1)

  1935.                     {

  1936.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1937.                         fEventsIn.ctrlIndex = j;

  1938. 

  1939.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1940.                             needsCtrlIn = true;

  1941.                     }

  1942.                     else

  1943.                     {

  1944.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1945.                             fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  1946. 

  1947.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1948.                         {

  1949.                             fEventsIn.ctrl = &fEventsIn.data[j];

  1950.                             fEventsIn.ctrlIndex = j;

  1951.                         }

  1952.                     }

  1953.                 }

  1954.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1955.                 {

  1956.                     const uint32_t j = iEvOut++;

  1957. 

  1958.                     fDescriptor->connect_port(fHandle, i, fEventsOut.data[j].event);

  1959. 

  1960.                     if (fHandle2 != nullptr)

  1961.                         fDescriptor->connect_port(fHandle2, i, fEventsOut.data[j].event);

  1962. 

  1963.                     fEventsOut.data[j].rindex = i;

  1964. 

  1965.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1966.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1967.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1968.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1969.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1970.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1971. 

  1972.                     if (evOuts.count() == 1)

  1973.                     {

  1974.                         fEventsOut.ctrl = &fEventsOut.data[j];

  1975.                         fEventsOut.ctrlIndex = j;

  1976. 

  1977.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1978.                             needsCtrlOut = true;

  1979.                     }

  1980.                     else

  1981.                     {

  1982.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1983.                             fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  1984. 

  1985.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1986.                         {

  1987.                             fEventsOut.ctrl = &fEventsOut.data[j];

  1988.                             fEventsOut.ctrlIndex = j;

  1989.                         }

  1990.                     }

  1991.                 }

  1992.                 else

  1993.                     carla_stderr2("WARNING - Got a broken Port (Event, but not input or output)");

  1994.             }

  1995.             else if (LV2_IS_PORT_MIDI_LL(portTypes))

  1996.             {

  1997.                 if (LV2_IS_PORT_INPUT(portTypes))

  1998.                 {

  1999.                     const uint32_t j = iEvIn++;

  2000. 

  2001.                     fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].midi);

  2002. 

  2003.                     if (fHandle2 != nullptr)

  2004.                         fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].midi);

  2005. 

  2006.                     fEventsIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  2007.                     fEventsIn.data[j].rindex = i;

  2008. 

  2009.                     if (evIns.count() == 1)

  2010.                     {

  2011.                         needsCtrlIn = true;

  2012.                         fEventsIn.ctrl = &fEventsIn.data[j];

  2013.                         fEventsIn.ctrlIndex = j;

  2014.                     }

  2015.                     else

  2016.                     {

  2017.                         fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  2018. 

  2019.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2020.                         {

  2021.                             fEventsIn.ctrl = &fEventsIn.data[j];

  2022.                             fEventsIn.ctrlIndex = j;

  2023.                         }

  2024.                     }

  2025.                 }

  2026.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  2027.                 {

  2028.                     const uint32_t j = iEvOut++;

  2029. 

  2030.                     fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].midi);

  2031. 

  2032.                     if (fHandle2 != nullptr)

  2033.                         fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].midi);

  2034. 

  2035.                     fEventsOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  2036.                     fEventsOut.data[j].rindex = i;

  2037. 

  2038.                     if (evOuts.count() == 1)

  2039.                     {

  2040.                         needsCtrlOut = true;

  2041.                         fEventsOut.ctrl = &fEventsOut.data[j];

  2042.                         fEventsOut.ctrlIndex = j;

  2043.                     }

  2044.                     else

  2045.                     {

  2046.                         fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  2047. 

  2048.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2049.                         {

  2050.                             fEventsOut.ctrl = &fEventsOut.data[j];

  2051.                             fEventsOut.ctrlIndex = j;

  2052.                         }

  2053.                     }

  2054.                 }

  2055.                 else

  2056.                     carla_stderr2("WARNING - Got a broken Port (MIDI, but not input or output)");

  2057.             }

  2058.             else if (LV2_IS_PORT_CONTROL(portTypes))

  2059.             {

  2060.                 const LV2_Property portProps(fRdfDescriptor->Ports[i].Properties);

  2061.                 const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation);

  2062.                 const LV2_RDF_PortPoints portPoints(fRdfDescriptor->Ports[i].Points);

  2063. 

  2064.                 const uint32_t j = iCtrl++;

  2065.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  2066.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  2067. 

  2068.                 float min, max, def, step, stepSmall, stepLarge;

  2069. 

  2070.                 // min value

  2071.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  2072.                     min = portPoints.Minimum;

  2073.                 else

  2074.                     min = 0.0f;

  2075. 

  2076.                 // max value

  2077.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  2078.                     max = portPoints.Maximum;

  2079.                 else

  2080.                     max = 1.0f;

  2081. 

  2082.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  2083.                 {

  2084.                     min *= sampleRate;

  2085.                     max *= sampleRate;

  2086.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  2087.                 }

  2088. 

  2089.                 // stupid hack for ir.lv2 (broken plugin)

  2090.                 if (std::strcmp(fRdfDescriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && std::strncmp(fRdfDescriptor->Ports[i].Name, "FileHash", 8) == 0)

  2091.                 {

  2092.                     min = 0.0f;

  2093.                     max = (float)0xffffff;

  2094.                 }

  2095. 

  2096.                 if (min >= max)

  2097.                 {

  2098.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", fRdfDescriptor->Ports[i].Name);

  2099.                     max = min + 0.1f;

  2100.                 }

  2101. 

  2102.                 // default value

  2103.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  2104.                 {

  2105.                     def = portPoints.Default;

  2106.                 }

  2107.                 else

  2108.                 {

  2109.                     // no default value

  2110.                     if (min < 0.0f && max > 0.0f)

  2111.                         def = 0.0f;

  2112.                     else

  2113.                         def = min;

  2114.                 }

  2115. 

  2116.                 if (def < min)

  2117.                     def = min;

  2118.                 else if (def > max)

  2119.                     def = max;

  2120. 

  2121.                 if (LV2_IS_PORT_TOGGLED(portProps))

  2122.                 {

  2123.                     step = max - min;

  2124.                     stepSmall = step;

  2125.                     stepLarge = step;

  2126.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  2127.                 }

  2128.                 else if (LV2_IS_PORT_INTEGER(portProps))

  2129.                 {

  2130.                     step = 1.0f;

  2131.                     stepSmall = 1.0f;

  2132.                     stepLarge = 10.0f;

  2133.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  2134.                 }

  2135.                 else

  2136.                 {

  2137.                     float range = max - min;

  2138.                     step = range/100.0f;

  2139.                     stepSmall = range/1000.0f;

  2140.                     stepLarge = range/10.0f;

  2141.                 }

  2142. 

  2143.                 if (LV2_IS_PORT_INPUT(portTypes))

  2144.                 {

  2145.                     pData->param.data[j].type = PARAMETER_INPUT;

  2146. 

  2147.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  2148.                     {

  2149.                         carla_stderr("Plugin has latency input port, this should not happen!");

  2150.                     }

  2151.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  2152.                     {

  2153.                         def = sampleRate;

  2154.                         step = 1.0f;

  2155.                         stepSmall = 1.0f;

  2156.                         stepLarge = 1.0f;

  2157.                         pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE;

  2158.                     }

  2159.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  2160.                     {

  2161.                         pData->param.special[j] = PARAMETER_SPECIAL_FREEWHEEL;

  2162.                     }

  2163.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  2164.                     {

  2165.                         pData->param.special[j] = PARAMETER_SPECIAL_TIME;

  2166.                     }

  2167.                     else

  2168.                     {

  2169.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  2170.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  2171.                         needsCtrlIn = true;

  2172.                     }

  2173. 

  2174.                     // MIDI CC value

  2175.                     const LV2_RDF_PortMidiMap& portMidiMap(fRdfDescriptor->Ports[i].MidiMap);

  2176. 

  2177.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap.Type))

  2178.                     {

  2179.                         if (portMidiMap.Number < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap.Number))

  2180.                             pData->param.data[j].midiCC = static_cast<int16_t>(portMidiMap.Number);

  2181.                     }

  2182.                 }

  2183.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  2184.                 {

  2185.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  2186. 

  2187.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  2188.                     {

  2189.                         min = 0.0f;

  2190.                         max = sampleRate;

  2191.                         def = 0.0f;

  2192.                         step = 1.0f;

  2193.                         stepSmall = 1.0f;

  2194.                         stepLarge = 1.0f;

  2195.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  2196.                         CARLA_SAFE_ASSERT(fLatencyIndex == static_cast<int32_t>(j));

  2197.                     }

  2198.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  2199.                     {

  2200.                         def = sampleRate;

  2201.                         step = 1.0f;

  2202.                         stepSmall = 1.0f;

  2203.                         stepLarge = 1.0f;

  2204.                         pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE;

  2205.                     }

  2206.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  2207.                     {

  2208.                         carla_stderr("Plugin has freewheeling output port, this should not happen!");

  2209.                     }

  2210.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  2211.                     {

  2212.                         pData->param.special[j] = PARAMETER_SPECIAL_TIME;

  2213.                     }

  2214.                     else

  2215.                     {

  2216.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  2217.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  2218.                         needsCtrlOut = true;

  2219.                     }

  2220.                 }

  2221.                 else

  2222.                 {

  2223.                     pData->param.data[j].type = PARAMETER_UNKNOWN;

  2224.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  2225.                 }

  2226. 

  2227.                 // extra parameter hints

  2228.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  2229.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  2230. 

  2231.                 if (LV2_IS_PORT_TRIGGER(portProps))

  2232.                     pData->param.data[j].hints |= PARAMETER_IS_TRIGGER;

  2233. 

  2234.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  2235.                     pData->param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  2236. 

  2237.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  2238.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  2239. 

  2240.                 // check if parameter is not enabled or automable

  2241.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  2242.                     pData->param.data[j].hints &= ~(PARAMETER_IS_ENABLED|PARAMETER_IS_AUTOMABLE);

  2243.                 else if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps))

  2244.                     pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  2245.                 else if (LV2_IS_PORT_NOT_AUTOMATIC(portProps) || LV2_IS_PORT_NON_AUTOMABLE(portProps))

  2246.                     pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  2247. 

  2248.                 pData->param.ranges[j].min = min;

  2249.                 pData->param.ranges[j].max = max;

  2250.                 pData->param.ranges[j].def = def;

  2251.                 pData->param.ranges[j].step = step;

  2252.                 pData->param.ranges[j].stepSmall = stepSmall;

  2253.                 pData->param.ranges[j].stepLarge = stepLarge;

  2254. 

  2255.                 // Start parameters in their default values (except freewheel, which is off by default)

  2256.                 if (pData->param.data[j].type == PARAMETER_INPUT && pData->param.special[j] == PARAMETER_SPECIAL_FREEWHEEL)

  2257.                     fParamBuffers[j] = min;

  2258.                 else

  2259.                     fParamBuffers[j] = def;

  2260. 

  2261.                 fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  2262. 

  2263.                 if (fHandle2 != nullptr)

  2264.                     fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  2265.             }

  2266.             else

  2267.             {

  2268.                 // Port Type not supported, but it's optional anyway

  2269.                 fDescriptor->connect_port(fHandle, i, nullptr);

  2270. 

  2271.                 if (fHandle2 != nullptr)

  2272.                     fDescriptor->connect_port(fHandle2, i, nullptr);

  2273.             }

  2274.         }

  2275. 

  2276.         if (needsCtrlIn)

  2277.         {

  2278.             portName.clear();

  2279. 

  2280.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  2281.             {

  2282.                 portName  = pData->name;

  2283.                 portName += ":";

  2284.             }

  2285. 

  2286.             portName += "events-in";

  2287.             portName.truncate(portNameSize);

  2288. 

  2289.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  2290.         }

  2291. 

  2292.         if (needsCtrlOut)

  2293.         {

  2294.             portName.clear();

  2295. 

  2296.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  2297.             {

  2298.                 portName  = pData->name;

  2299.                 portName += ":";

  2300.             }

  2301. 

  2302.             portName += "events-out";

  2303.             portName.truncate(portNameSize);

  2304. 

  2305.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  2306.         }

  2307. 

  2308.         if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsIn.count > 0 && (fEventsIn.data[0].type & CARLA_EVENT_DATA_ATOM) != 0))

  2309.             fAtomBufferIn.createBuffer(eventBufferSize);

  2310. 

  2311.         if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsOut.count > 0 && (fEventsOut.data[0].type & CARLA_EVENT_DATA_ATOM) != 0))

  2312.             fAtomBufferOut.createBuffer(eventBufferSize);

  2313. 

  2314.         if (fEventsIn.ctrl != nullptr && fEventsIn.ctrl->port == nullptr)

  2315.             fEventsIn.ctrl->port = pData->event.portIn;

  2316. 

  2317.         if (fEventsOut.ctrl != nullptr && fEventsOut.ctrl->port == nullptr)

  2318.             fEventsOut.ctrl->port = pData->event.portOut;

  2319. 

  2320.         if (fCanInit2 && (forcedStereoIn || forcedStereoOut))

  2321.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2322.         else

  2323.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  2324. 

  2325.         // plugin hints

  2326.         pData->hints = 0x0;

  2327. 

  2328.         if (isRealtimeSafe())

  2329.             pData->hints |= PLUGIN_IS_RTSAFE;

  2330. 

  2331.         if (fUI.type != UI::TYPE_NULL)

  2332.         {

  2333.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  2334. 

  2335.             if (fUI.type == UI::TYPE_EMBED || fUI.type == UI::TYPE_EXTERNAL)

  2336.                 pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  2337.         }

  2338. 

  2339.         if (LV2_IS_GENERATOR(fRdfDescriptor->Type[0], fRdfDescriptor->Type[1]))

  2340.             pData->hints |= PLUGIN_IS_SYNTH;

  2341. 

  2342.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  2343.             pData->hints |= PLUGIN_CAN_DRYWET;

  2344. 

  2345.         if (aOuts > 0)

  2346.             pData->hints |= PLUGIN_CAN_VOLUME;

  2347. 

  2348.         if (aOuts >= 2 && aOuts % 2 == 0)

  2349.             pData->hints |= PLUGIN_CAN_BALANCE;

  2350. 

  2351.         // extra plugin hints

  2352.         pData->extraHints = 0x0;

  2353. 

  2354.         if (! fCanInit2)

  2355.         {

  2356.             // can't run in rack

  2357.         }

  2358.         else if (fExt.state != nullptr || fExt.worker != nullptr)

  2359.         {

  2360.             if ((aIns == 0 || aIns == 2) && (aOuts == 0 || aOuts == 2) && evIns.count() <= 1 && evOuts.count() <= 1)

  2361.                 pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  2362.         }

  2363.         else

  2364.         {

  2365.             if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && evIns.count() <= 1 && evOuts.count() <= 1)

  2366.                 pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  2367.         }

  2368. 

  2369. #if 0 // TODO

  2370.         // check latency

  2371.         if (fLatencyIndex >= 0)

  2372.         {

  2373.             // we need to pre-run the plugin so it can update its latency control-port

  2374. 

  2375.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  2376.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  2377. 

  2378.             for (uint32_t j=0; j < aIns; ++j)

  2379.             {

  2380.                 tmpIn[j][0] = 0.0f;

  2381.                 tmpIn[j][1] = 0.0f;

  2382. 

  2383.                 try {

  2384.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  2385.                 } CARLA_SAFE_EXCEPTION("LV2 connect_port latency input");

  2386.             }

  2387. 

  2388.             for (uint32_t j=0; j < aOuts; ++j)

  2389.             {

  2390.                 tmpOut[j][0] = 0.0f;

  2391.                 tmpOut[j][1] = 0.0f;

  2392. 

  2393.                 try {

  2394.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  2395.                 } CARLA_SAFE_EXCEPTION("LV2 connect_port latency output");

  2396.             }

  2397. 

  2398.             if (fDescriptor->activate != nullptr)

  2399.             {

  2400.                 try {

  2401.                     fDescriptor->activate(fHandle);

  2402.                 } CARLA_SAFE_EXCEPTION("LV2 latency activate");

  2403.             }

  2404. 

  2405.             try {

  2406.                 fDescriptor->run(fHandle, 2);

  2407.             } CARLA_SAFE_EXCEPTION("LV2 latency run");

  2408. 

  2409.             if (fDescriptor->deactivate != nullptr)

  2410.             {

  2411.                 try {

  2412.                     fDescriptor->deactivate(fHandle);

  2413.                 } CARLA_SAFE_EXCEPTION("LV2 latency deactivate");

  2414.             }

  2415. 

  2416.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  2417. 

  2418.             if (latency >= 0)

  2419.             {

  2420.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  2421. 

  2422.                 if (pData->latency != ulatency)

  2423.                 {

  2424.                     carla_stdout("latency = %i", latency);

  2425. 

  2426.                     pData->latency = ulatency;

  2427.                     pData->client->setLatency(ulatency);

  2428. #ifndef BUILD_BRIDGE

  2429.                     pData->recreateLatencyBuffers();

  2430. #endif

  2431.                 }

  2432.             }

  2433.             else

  2434.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  2435. 

  2436.             fLatencyChanged = false;

  2437.         }

  2438. #endif

  2439. 

  2440.         bufferSizeChanged(pData->engine->getBufferSize());

  2441.         reloadPrograms(true);

  2442. 

  2443.         evIns.clear();

  2444.         evOuts.clear();

  2445. 

  2446.         if (pData->active)

  2447.             activate();

  2448. 

  2449.         carla_debug("CarlaPluginLV2::reload() - end");

  2450.     }

  2451. 

  2452.     void reloadPrograms(const bool doInit) override

  2453.     {

  2454.         carla_debug("CarlaPluginLV2::reloadPrograms(%s)", bool2str(doInit));

  2455.         const uint32_t oldCount = pData->midiprog.count;

  2456.         const int32_t  current  = pData->midiprog.current;

  2457. 

  2458.         // special LV2 programs handling

  2459.         if (doInit)

  2460.         {

  2461.             pData->prog.clear();

  2462. 

  2463.             const uint32_t presetCount(fRdfDescriptor->PresetCount);

  2464. 

  2465.             if (presetCount > 0)

  2466.             {

  2467.                 pData->prog.createNew(presetCount);

  2468. 

  2469.                 for (uint32_t i=0; i < presetCount; ++i)

  2470.                     pData->prog.names[i] = carla_strdup(fRdfDescriptor->Presets[i].Label);

  2471.             }

  2472.         }

  2473. 

  2474.         // Delete old programs

  2475.         pData->midiprog.clear();

  2476. 

  2477.         // Query new programs

  2478.         uint32_t newCount = 0;

  2479.         if (fExt.programs != nullptr && fExt.programs->get_program != nullptr && fExt.programs->select_program != nullptr)

  2480.         {

  2481.             for (; fExt.programs->get_program(fHandle, newCount);)

  2482.                 ++newCount;

  2483.         }

  2484. 

  2485.         if (newCount > 0)

  2486.         {

  2487.             pData->midiprog.createNew(newCount);

  2488. 

  2489.             // Update data

  2490.             for (uint32_t i=0; i < newCount; ++i)

  2491.             {

  2492.                 const LV2_Program_Descriptor* const pdesc(fExt.programs->get_program(fHandle, i));

  2493.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  2494.                 CARLA_SAFE_ASSERT(pdesc->name != nullptr);

  2495. 

  2496.                 pData->midiprog.data[i].bank    = pdesc->bank;

  2497.                 pData->midiprog.data[i].program = pdesc->program;

  2498.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->name);

  2499.             }

  2500.         }

  2501. 

  2502. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  2503.         // Update OSC Names

  2504.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  2505.         {

  2506.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  2507. 

  2508.             for (uint32_t i=0; i < newCount; ++i)

  2509.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  2510.         }

  2511. #endif

  2512. 

  2513.         if (doInit)

  2514.         {

  2515.             if (newCount > 0)

  2516.             {

  2517.                 setMidiProgram(0, false, false, false);

  2518.             }

  2519.             else

  2520.             {

  2521.                 // load default state

  2522.                 if (LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fDescriptor->URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data))

  2523.                 {

  2524.                     lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures);

  2525. 

  2526.                     if (fHandle2 != nullptr)

  2527.                         lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures);

  2528. 

  2529.                     lilv_state_free(state);

  2530.                 }

  2531.             }

  2532.         }

  2533.         else

  2534.         {

  2535.             // Check if current program is invalid

  2536.             bool programChanged = false;

  2537. 

  2538.             if (newCount == oldCount+1)

  2539.             {

  2540.                 // one midi program added, probably created by user

  2541.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  2542.                 programChanged = true;

  2543.             }

  2544.             else if (current < 0 && newCount > 0)

  2545.             {

  2546.                 // programs exist now, but not before

  2547.                 pData->midiprog.current = 0;

  2548.                 programChanged = true;

  2549.             }

  2550.             else if (current >= 0 && newCount == 0)

  2551.             {

  2552.                 // programs existed before, but not anymore

  2553.                 pData->midiprog.current = -1;

  2554.                 programChanged = true;

  2555.             }

  2556.             else if (current >= static_cast<int32_t>(newCount))

  2557.             {

  2558.                 // current midi program > count

  2559.                 pData->midiprog.current = 0;

  2560.                 programChanged = true;

  2561.             }

  2562.             else

  2563.             {

  2564.                 // no change

  2565.                 pData->midiprog.current = current;

  2566.             }

  2567. 

  2568.             if (programChanged)

  2569.                 setMidiProgram(pData->midiprog.current, true, true, true);

  2570. 

  2571.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  2572.         }

  2573.     }

  2574. 

  2575.     // -------------------------------------------------------------------

  2576.     // Plugin processing

  2577. 

  2578.     void activate() noexcept override

  2579.     {

  2580.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2581.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2582. 

  2583.         if (fDescriptor->activate != nullptr)

  2584.         {

  2585.             try {

  2586.                 fDescriptor->activate(fHandle);

  2587.             } CARLA_SAFE_EXCEPTION("LV2 activate");

  2588. 

  2589.             if (fHandle2 != nullptr)

  2590.             {

  2591.                 try {

  2592.                     fDescriptor->activate(fHandle2);

  2593.                 } CARLA_SAFE_EXCEPTION("LV2 activate #2");

  2594.             }

  2595.         }

  2596. 

  2597.         fFirstActive = true;

  2598.     }

  2599. 

  2600.     void deactivate() noexcept override

  2601.     {

  2602.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2603.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2604. 

  2605.         if (fDescriptor->deactivate != nullptr)

  2606.         {

  2607.             try {

  2608.                 fDescriptor->deactivate(fHandle);

  2609.             } CARLA_SAFE_EXCEPTION("LV2 deactivate");

  2610. 

  2611.             if (fHandle2 != nullptr)

  2612.             {

  2613.                 try {

  2614.                     fDescriptor->deactivate(fHandle2);

  2615.                 } CARLA_SAFE_EXCEPTION("LV2 deactivate #2");

  2616.             }

  2617.         }

  2618.     }

  2619. 

  2620.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  2621.     {

  2622.         // --------------------------------------------------------------------------------------------------------

  2623.         // Check if active

  2624. 

  2625.         if (! pData->active)

  2626.         {

  2627.             // disable any output sound

  2628.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2629.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  2630.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2631.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  2632.             return;

  2633.         }

  2634. 

  2635.         // --------------------------------------------------------------------------------------------------------

  2636.         // Event itenerators from different APIs (input)

  2637. 

  2638.         LV2_Atom_Buffer_Iterator evInAtomIters[fEventsIn.count];

  2639.         LV2_Event_Iterator       evInEventIters[fEventsIn.count];

  2640.         LV2_MIDIState            evInMidiStates[fEventsIn.count];

  2641. 

  2642.         for (uint32_t i=0; i < fEventsIn.count; ++i)

  2643.         {

  2644.             if (fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2645.             {

  2646.                 lv2_atom_buffer_reset(fEventsIn.data[i].atom, true);

  2647.                 lv2_atom_buffer_begin(&evInAtomIters[i], fEventsIn.data[i].atom);

  2648.             }

  2649.             else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2650.             {

  2651.                 lv2_event_buffer_reset(fEventsIn.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[i].event->data);

  2652.                 lv2_event_begin(&evInEventIters[i], fEventsIn.data[i].event);

  2653.             }

  2654.             else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2655.             {

  2656.                 fEventsIn.data[i].midi.event_count = 0;

  2657.                 fEventsIn.data[i].midi.size        = 0;

  2658.                 evInMidiStates[i].midi        = &fEventsIn.data[i].midi;

  2659.                 evInMidiStates[i].frame_count = frames;

  2660.                 evInMidiStates[i].position    = 0;

  2661.             }

  2662.         }

  2663. 

  2664.         for (uint32_t i=0; i < fEventsOut.count; ++i)

  2665.         {

  2666.             if (fEventsOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2667.             {

  2668.                 lv2_atom_buffer_reset(fEventsOut.data[i].atom, false);

  2669.             }

  2670.             else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2671.             {

  2672.                 lv2_event_buffer_reset(fEventsOut.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsOut.data[i].event->data);

  2673.             }

  2674.             else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2675.             {

  2676.                 // not needed

  2677.             }

  2678.         }

  2679. 

  2680.         // --------------------------------------------------------------------------------------------------------

  2681.         // Check if needs reset

  2682. 

  2683.         if (pData->needsReset)

  2684.         {

  2685.             uint8_t midiData[3] = { 0, 0, 0 };

  2686. 

  2687.             if (fEventsIn.ctrl != nullptr && (fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) != 0)

  2688.             {

  2689.                 const uint32_t j = fEventsIn.ctrlIndex;

  2690.                 CARLA_SAFE_ASSERT(j < fEventsIn.count);

  2691. 

  2692.                 if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  2693.                 {

  2694.                     for (uint8_t i=0; i < MAX_MIDI_CHANNELS; ++i)

  2695.                     {

  2696.                         midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT));

  2697.                         midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  2698. 

  2699.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2700.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2701. 

  2702.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2703.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2704. 

  2705.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2706.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2707. 

  2708.                         midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT));

  2709.                         midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2710. 

  2711.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2712.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2713. 

  2714.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2715.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2716. 

  2717.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2718.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2719.                     }

  2720.                 }

  2721.                 else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  2722.                 {

  2723.                     for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  2724.                     {

  2725.                         midiData[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  2726.                         midiData[1] = k;

  2727. 

  2728.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2729.                             lv2_atom_buffer_write(&evInAtomIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2730. 

  2731.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2732.                             lv2_event_write(&evInEventIters[k], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2733. 

  2734.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2735.                             lv2midi_put_event(&evInMidiStates[k], 0.0, 3, midiData);

  2736.                     }

  2737.                 }

  2738.             }

  2739. 

  2740. #ifndef BUILD_BRIDGE

  2741. #if 0 // TODO

  2742.             if (pData->latency > 0)

  2743.             {

  2744.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2745.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  2746.             }

  2747. #endif

  2748. #endif

  2749. 

  2750.             pData->needsReset = false;

  2751.         }

  2752. 

  2753.         // --------------------------------------------------------------------------------------------------------

  2754.         // TimeInfo

  2755. 

  2756.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  2757. 

  2758.         if (fFirstActive || fLastTimeInfo != timeInfo)

  2759.         {

  2760.             bool doPostRt;

  2761.             int32_t rindex;

  2762. 

  2763.             // update input ports

  2764.             for (uint32_t k=0; k < pData->param.count; ++k)

  2765.             {

  2766.                 if (pData->param.data[k].type != PARAMETER_INPUT)

  2767.                     continue;

  2768.                 if (pData->param.special[k] != PARAMETER_SPECIAL_TIME)

  2769.                     continue;

  2770. 

  2771.                 doPostRt = false;

  2772.                 rindex = pData->param.data[k].rindex;

  2773. 

  2774.                 CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0 && rindex < static_cast<int32_t>(fRdfDescriptor->PortCount));

  2775. 

  2776.                 switch (fRdfDescriptor->Ports[rindex].Designation)

  2777.                 {

  2778.                 // Non-BBT

  2779.                 case LV2_PORT_DESIGNATION_TIME_SPEED:

  2780.                     if (fLastTimeInfo.playing != timeInfo.playing)

  2781.                     {

  2782.                         fParamBuffers[k] = timeInfo.playing ? 1.0f : 0.0f;

  2783.                         doPostRt = true;

  2784.                     }

  2785.                     break;

  2786.                 case LV2_PORT_DESIGNATION_TIME_FRAME:

  2787.                     if (fLastTimeInfo.frame != timeInfo.frame)

  2788.                     {

  2789.                         fParamBuffers[k] = static_cast<float>(timeInfo.frame);

  2790.                         doPostRt = true;

  2791.                     }

  2792.                     break;

  2793.                 case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2794.                     break;

  2795. 

  2796.                 // BBT

  2797.                 case LV2_PORT_DESIGNATION_TIME_BAR:

  2798.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && fLastTimeInfo.bbt.bar != timeInfo.bbt.bar)

  2799.                     {

  2800.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.bar - 1);

  2801.                         doPostRt = true;

  2802.                     }

  2803.                     break;

  2804.                 case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2805.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && (fLastTimeInfo.bbt.tick != timeInfo.bbt.tick ||

  2806.                                                                               fLastTimeInfo.bbt.beat != timeInfo.bbt.beat))

  2807.                     {

  2808.                         fParamBuffers[k] = static_cast<float>(static_cast<double>(timeInfo.bbt.beat) - 1.0 + (static_cast<double>(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat));

  2809.                         doPostRt = true;

  2810.                     }

  2811.                     break;

  2812.                 case LV2_PORT_DESIGNATION_TIME_BEAT:

  2813.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && fLastTimeInfo.bbt.beat != timeInfo.bbt.beat)

  2814.                     {

  2815.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.beat - 1);

  2816.                         doPostRt = true;

  2817.                     }

  2818.                     break;

  2819.                 case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2820.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.beatType, timeInfo.bbt.beatType))

  2821.                     {

  2822.                         fParamBuffers[k] = timeInfo.bbt.beatType;

  2823.                         doPostRt = true;

  2824.                     }

  2825.                     break;

  2826.                 case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2827.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.beatsPerBar, timeInfo.bbt.beatsPerBar))

  2828.                     {

  2829.                         fParamBuffers[k] = timeInfo.bbt.beatsPerBar;

  2830.                         doPostRt = true;

  2831.                     }

  2832.                     break;

  2833.                 case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2834.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.beatsPerMinute, timeInfo.bbt.beatsPerMinute))

  2835.                     {

  2836.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.beatsPerMinute);

  2837.                         doPostRt = true;

  2838.                     }

  2839.                     break;

  2840.                 case LV2_PORT_DESIGNATION_TIME_TICKS_PER_BEAT:

  2841.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.ticksPerBeat, timeInfo.bbt.ticksPerBeat))

  2842.                     {

  2843.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.ticksPerBeat);

  2844.                         doPostRt = true;

  2845.                     }

  2846.                     break;

  2847.                 }

  2848. 

  2849.                 if (doPostRt)

  2850.                     pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  2851.             }

  2852. 

  2853.             for (uint32_t i=0; i < fEventsIn.count; ++i)

  2854.             {

  2855.                 if ((fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM) == 0 || (fEventsIn.data[i].type & CARLA_EVENT_TYPE_TIME) == 0)

  2856.                     continue;

  2857. 

  2858.                 uint8_t timeInfoBuf[256];

  2859.                 lv2_atom_forge_set_buffer(&fAtomForge, timeInfoBuf, sizeof(timeInfoBuf));

  2860. 

  2861.                 LV2_Atom_Forge_Frame forgeFrame;

  2862.                 lv2_atom_forge_object(&fAtomForge, &forgeFrame, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_TIME_POSITION);

  2863. 

  2864.                 lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_SPEED);

  2865.                 lv2_atom_forge_float(&fAtomForge, timeInfo.playing ? 1.0f : 0.0f);

  2866. 

  2867.                 lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_FRAME);

  2868.                 lv2_atom_forge_long(&fAtomForge, static_cast<int64_t>(timeInfo.frame));

  2869. 

  2870.                 if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  2871.                 {

  2872.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BAR);

  2873.                     lv2_atom_forge_long(&fAtomForge, timeInfo.bbt.bar - 1);

  2874. 

  2875.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BAR_BEAT);

  2876.                     lv2_atom_forge_float(&fAtomForge, static_cast<float>(static_cast<double>(timeInfo.bbt.beat) - 1.0 + (static_cast<double>(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat)));

  2877. 

  2878.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEAT);

  2879.                     lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.beat - 1);

  2880. 

  2881.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEAT_UNIT);

  2882.                     lv2_atom_forge_int(&fAtomForge, static_cast<int32_t>(timeInfo.bbt.beatType));

  2883. 

  2884.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR);

  2885.                     lv2_atom_forge_float(&fAtomForge, timeInfo.bbt.beatsPerBar);

  2886. 

  2887.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE);

  2888.                     lv2_atom_forge_float(&fAtomForge, static_cast<float>(timeInfo.bbt.beatsPerMinute));

  2889. 

  2890.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT);

  2891.                     lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.ticksPerBeat);

  2892.                 }

  2893. 

  2894.                 lv2_atom_forge_pop(&fAtomForge, &forgeFrame);

  2895. 

  2896.                 LV2_Atom* const atom((LV2_Atom*)timeInfoBuf);

  2897.                 CARLA_SAFE_ASSERT_BREAK(atom->size < 256);

  2898. 

  2899.                 // send only deprecated blank object for now

  2900.                 lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, CARLA_URI_MAP_ID_ATOM_BLANK, atom->size, LV2_ATOM_BODY_CONST(atom));

  2901. 

  2902.                 // for atom:object

  2903.                 //lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom));

  2904.             }

  2905. 

  2906.             pData->postRtEvents.trySplice();

  2907. 

  2908.             carla_copyStruct(fLastTimeInfo, timeInfo);

  2909.         }

  2910. 

  2911.         // --------------------------------------------------------------------------------------------------------

  2912.         // Event Input and Processing

  2913. 

  2914.         if (fEventsIn.ctrl != nullptr)

  2915.         {

  2916.             // ----------------------------------------------------------------------------------------------------

  2917.             // Message Input

  2918. 

  2919.             if (fAtomBufferIn.tryLock())

  2920.             {

  2921.                 if (fAtomBufferIn.isDataAvailableForReading())

  2922.                 {

  2923.                     const LV2_Atom* atom;

  2924.                     uint32_t j, portIndex;

  2925. 

  2926.                     for (; fAtomBufferIn.get(atom, portIndex);)

  2927.                     {

  2928.                         j = (portIndex < fEventsIn.count) ? portIndex : fEventsIn.ctrlIndex;

  2929. 

  2930.                         if (atom->type == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  2931.                         {

  2932.                             CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work_response != nullptr);

  2933.                             fExt.worker->work_response(fHandle, atom->size, LV2_ATOM_BODY_CONST(atom));

  2934.                         }

  2935.                         else if (! lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom)))

  2936.                         {

  2937.                             carla_stdout("Event input buffer full, at least 1 message lost");

  2938.                             continue;

  2939.                         }

  2940.                     }

  2941.                 }

  2942. 

  2943.                 fAtomBufferIn.unlock();

  2944.             }

  2945. 

  2946.             // ----------------------------------------------------------------------------------------------------

  2947.             // MIDI Input (External)

  2948. 

  2949.             if (pData->extNotes.mutex.tryLock())

  2950.             {

  2951.                 if ((fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) == 0)

  2952.                 {

  2953.                     // does not handle MIDI

  2954.                     pData->extNotes.data.clear();

  2955.                 }

  2956.                 else

  2957.                 {

  2958.                     const uint32_t j = fEventsIn.ctrlIndex;

  2959. 

  2960.                     for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  2961.                     {

  2962.                         const ExternalMidiNote& note(it.getValue());

  2963. 

  2964.                         CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  2965. 

  2966.                         uint8_t midiEvent[3];

  2967.                         midiEvent[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  2968.                         midiEvent[1] = note.note;

  2969.                         midiEvent[2] = note.velo;

  2970. 

  2971.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2972.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2973. 

  2974.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2975.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2976. 

  2977.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2978.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiEvent);

  2979.                     }

  2980. 

  2981.                     pData->extNotes.data.clear();

  2982.                 }

  2983. 

  2984.                 pData->extNotes.mutex.unlock();

  2985. 

  2986.             } // End of MIDI Input (External)

  2987. 

  2988.             // ----------------------------------------------------------------------------------------------------

  2989.             // Event Input (System)

  2990. 

  2991. #ifndef BUILD_BRIDGE

  2992.             bool allNotesOffSent  = false;

  2993. #endif

  2994.             bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  2995. 

  2996.             uint32_t startTime  = 0;

  2997.             uint32_t timeOffset = 0;

  2998.             uint32_t nextBankId;

  2999. 

  3000.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  3001.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  3002.             else

  3003.                 nextBankId = 0;

  3004. 

  3005.             const uint32_t numEvents = (fEventsIn.ctrl->port != nullptr) ? fEventsIn.ctrl->port->getEventCount() : 0;

  3006. 

  3007.             for (uint32_t i=0; i < numEvents; ++i)

  3008.             {

  3009.                 const EngineEvent& event(fEventsIn.ctrl->port->getEvent(i));

  3010. 

  3011.                 if (event.time >= frames)

  3012.                     continue;

  3013. 

  3014.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  3015. 

  3016.                 if (isSampleAccurate && event.time > timeOffset)

  3017.                 {

  3018.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  3019.                     {

  3020.                         startTime  = 0;

  3021.                         timeOffset = event.time;

  3022. 

  3023.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  3024.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  3025.                         else

  3026.                             nextBankId = 0;

  3027. 

  3028.                         // reset iters

  3029.                         const uint32_t j = fEventsIn.ctrlIndex;

  3030. 

  3031.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3032.                         {

  3033.                             lv2_atom_buffer_reset(fEventsIn.data[j].atom, true);

  3034.                             lv2_atom_buffer_begin(&evInAtomIters[j], fEventsIn.data[j].atom);

  3035.                         }

  3036.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3037.                         {

  3038.                             lv2_event_buffer_reset(fEventsIn.data[j].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[j].event->data);

  3039.                             lv2_event_begin(&evInEventIters[j], fEventsIn.data[j].event);

  3040.                         }

  3041.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3042.                         {

  3043.                             fEventsIn.data[j].midi.event_count = 0;

  3044.                             fEventsIn.data[j].midi.size        = 0;

  3045.                             evInMidiStates[j].position = event.time;

  3046.                         }

  3047.                     }

  3048.                     else

  3049.                         startTime += timeOffset;

  3050.                 }

  3051. 

  3052.                 switch (event.type)

  3053.                 {

  3054.                 case kEngineEventTypeNull:

  3055.                     break;

  3056. 

  3057.                 case kEngineEventTypeControl: {

  3058.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  3059. 

  3060.                     switch (ctrlEvent.type)

  3061.                     {

  3062.                     case kEngineControlEventTypeNull:

  3063.                         break;

  3064. 

  3065.                     case kEngineControlEventTypeParameter: {

  3066. #ifndef BUILD_BRIDGE

  3067.                         // Control backend stuff

  3068.                         if (event.channel == pData->ctrlChannel)

  3069.                         {

  3070.                             float value;

  3071. 

  3072.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  3073.                             {

  3074.                                 value = ctrlEvent.value;

  3075.                                 setDryWet(value, false, false);

  3076.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  3077.                                 break;

  3078.                             }

  3079. 

  3080.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  3081.                             {

  3082.                                 value = ctrlEvent.value*127.0f/100.0f;

  3083.                                 setVolume(value, false, false);

  3084.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  3085.                                 break;

  3086.                             }

  3087. 

  3088.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  3089.                             {

  3090.                                 float left, right;

  3091.                                 value = ctrlEvent.value/0.5f - 1.0f;

  3092. 

  3093.                                 if (value < 0.0f)

  3094.                                 {

  3095.                                     left  = -1.0f;

  3096.                                     right = (value*2.0f)+1.0f;

  3097.                                 }

  3098.                                 else if (value > 0.0f)

  3099.                                 {

  3100.                                     left  = (value*2.0f)-1.0f;

  3101.                                     right = 1.0f;

  3102.                                 }

  3103.                                 else

  3104.                                 {

  3105.                                     left  = -1.0f;

  3106.                                     right = 1.0f;

  3107.                                 }

  3108. 

  3109.                                 setBalanceLeft(left, false, false);

  3110.                                 setBalanceRight(right, false, false);

  3111.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  3112.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  3113.                                 break;

  3114.                             }

  3115.                         }

  3116. #endif

  3117.                         // Control plugin parameters

  3118.                         uint32_t k;

  3119.                         for (k=0; k < pData->param.count; ++k)

  3120.                         {

  3121.                             if (pData->param.data[k].midiChannel != event.channel)

  3122.                                 continue;

  3123.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  3124.                                 continue;

  3125.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  3126.                                 continue;

  3127.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  3128.                                 continue;

  3129. 

  3130.                             float value;

  3131. 

  3132.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  3133.                             {

  3134.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  3135.                             }

  3136.                             else

  3137.                             {

  3138.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  3139. 

  3140.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  3141.                                     value = std::rint(value);

  3142.                             }

  3143. 

  3144.                             setParameterValue(k, value, false, false, false);

  3145.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  3146.                             break;

  3147.                         }

  3148. 

  3149.                         // check if event is already handled

  3150.                         if (k != pData->param.count)

  3151.                             break;

  3152. 

  3153.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  3154.                         {

  3155.                             uint8_t midiData[3];

  3156.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3157.                             midiData[1] = uint8_t(ctrlEvent.param);

  3158.                             midiData[2] = uint8_t(ctrlEvent.value*127.0f);

  3159. 

  3160.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3161. 

  3162.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3163.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3164. 

  3165.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3166.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3167. 

  3168.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3169.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3170.                         }

  3171.                         break;

  3172.                     } // case kEngineControlEventTypeParameter

  3173. 

  3174.                     case kEngineControlEventTypeMidiBank:

  3175.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  3176.                         {

  3177.                             if (event.channel == pData->ctrlChannel)

  3178.                                 nextBankId = ctrlEvent.param;

  3179.                         }

  3180.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  3181.                         {

  3182.                             uint8_t midiData[3];

  3183.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3184.                             midiData[1] = MIDI_CONTROL_BANK_SELECT;

  3185.                             midiData[2] = uint8_t(ctrlEvent.param);

  3186. 

  3187.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3188. 

  3189.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3190.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3191. 

  3192.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3193.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3194. 

  3195.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3196.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3197.                         }

  3198.                         break;

  3199. 

  3200.                     case kEngineControlEventTypeMidiProgram:

  3201.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  3202.                         {

  3203.                             if (event.channel == pData->ctrlChannel)

  3204.                             {

  3205.                                 const uint32_t nextProgramId(ctrlEvent.param);

  3206. 

  3207.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  3208.                                 {

  3209.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  3210.                                     {

  3211.                                         const int32_t index(static_cast<int32_t>(k));

  3212.                                         setMidiProgram(index, false, false, false);

  3213.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  3214.                                         break;

  3215.                                     }

  3216.                                 }

  3217.                             }

  3218.                         }

  3219.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  3220.                         {

  3221.                             uint8_t midiData[2];

  3222.                             midiData[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3223.                             midiData[1] = uint8_t(ctrlEvent.param);

  3224. 

  3225.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3226. 

  3227.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3228.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiData);

  3229. 

  3230.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3231.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiData);

  3232. 

  3233.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3234.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 2, midiData);

  3235.                         }

  3236.                         break;

  3237. 

  3238.                     case kEngineControlEventTypeAllSoundOff:

  3239.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  3240.                         {

  3241.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3242. 

  3243.                             uint8_t midiData[3];

  3244.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3245.                             midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  3246.                             midiData[2] = 0;

  3247. 

  3248.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3249.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3250. 

  3251.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3252.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3253. 

  3254.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3255.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3256.                         }

  3257.                         break;

  3258. 

  3259.                     case kEngineControlEventTypeAllNotesOff:

  3260.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  3261.                         {

  3262. #ifndef BUILD_BRIDGE

  3263.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  3264.                             {

  3265.                                 allNotesOffSent = true;

  3266.                                 sendMidiAllNotesOffToCallback();

  3267.                             }

  3268. #endif

  3269. 

  3270.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3271. 

  3272.                             uint8_t midiData[3];

  3273.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3274.                             midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  3275.                             midiData[2] = 0;

  3276. 

  3277.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3278.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3279. 

  3280.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3281.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3282. 

  3283.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3284.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3285.                         }

  3286.                         break;

  3287.                     } // switch (ctrlEvent.type)

  3288.                     break;

  3289.                 } // case kEngineEventTypeControl

  3290. 

  3291.                 case kEngineEventTypeMidi: {

  3292.                     const EngineMidiEvent& midiEvent(event.midi);

  3293. 

  3294.                     const uint8_t* const midiData(midiEvent.size > EngineMidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data);

  3295. 

  3296.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiData));

  3297. 

  3298.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  3299.                         continue;

  3300.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  3301.                         continue;

  3302.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  3303.                         continue;

  3304.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  3305.                         continue;

  3306. 

  3307.                     // Fix bad note-off (per LV2 spec)

  3308.                     if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0)

  3309.                         status = MIDI_STATUS_NOTE_OFF;

  3310. 

  3311.                     const uint32_t j     = fEventsIn.ctrlIndex;

  3312.                     const uint32_t mtime = isSampleAccurate ? startTime : event.time;

  3313. 

  3314.                     // put back channel in data

  3315.                     uint8_t midiData2[midiEvent.size];

  3316.                     midiData2[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  3317.                     std::memcpy(midiData2+1, midiData+1, static_cast<std::size_t>(midiEvent.size-1));

  3318. 

  3319.                     if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3320.                         lv2_atom_buffer_write(&evInAtomIters[j], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, midiEvent.size, midiData2);

  3321. 

  3322.                     else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3323.                         lv2_event_write(&evInEventIters[j], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, midiEvent.size, midiData2);

  3324. 

  3325.                     else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3326.                         lv2midi_put_event(&evInMidiStates[j], mtime, midiEvent.size, midiData2);

  3327. 

  3328.                     if (status == MIDI_STATUS_NOTE_ON)

  3329.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiData[1], midiData[2]);

  3330.                     else if (status == MIDI_STATUS_NOTE_OFF)

  3331.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiData[1], 0.0f);

  3332.                 } break;

  3333.                 } // switch (event.type)

  3334.             }

  3335. 

  3336.             pData->postRtEvents.trySplice();

  3337. 

  3338.             if (frames > timeOffset)

  3339.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  3340. 

  3341.         } // End of Event Input and Processing

  3342. 

  3343.         // --------------------------------------------------------------------------------------------------------

  3344.         // Plugin processing (no events)

  3345. 

  3346.         else

  3347.         {

  3348.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  3349. 

  3350.         } // End of Plugin processing (no events)

  3351. 

  3352. #ifndef BUILD_BRIDGE

  3353. #if 0 // TODO

  3354.         // --------------------------------------------------------------------------------------------------------

  3355.         // Latency, save values for next callback

  3356. 

  3357.         if (fLatencyIndex != -1)

  3358.         {

  3359.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  3360.             {

  3361.                 fLatencyChanged = true;

  3362.             }

  3363.             else if (pData->latency > 0)

  3364.             {

  3365.                 if (pData->latency <= frames)

  3366.                 {

  3367.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3368.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  3369.                 }

  3370.                 else

  3371.                 {

  3372.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  3373.                     {

  3374.                         for (k=0; k < pData->latency-frames; ++k)

  3375.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  3376.                         for (j=0; k < pData->latency; ++j, ++k)

  3377.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  3378.                     }

  3379.                 }

  3380.             }

  3381.         }

  3382. #endif

  3383. #endif

  3384. 

  3385.         // --------------------------------------------------------------------------------------------------------

  3386.         // MIDI Output

  3387. 

  3388.         if (fEventsOut.ctrl != nullptr)

  3389.         {

  3390.             if (fEventsOut.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3391.             {

  3392.                 const LV2_Atom_Event* ev;

  3393.                 LV2_Atom_Buffer_Iterator iter;

  3394. 

  3395.                 uint8_t* data;

  3396.                 lv2_atom_buffer_begin(&iter, fEventsOut.ctrl->atom);

  3397. 

  3398.                 for (;;)

  3399.                 {

  3400.                     data = nullptr;

  3401.                     ev = lv2_atom_buffer_get(&iter, &data);

  3402. 

  3403.                     if (ev == nullptr || ev->body.size == 0 || data == nullptr)

  3404.                         break;

  3405. 

  3406.                     if (ev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  3407.                     {

  3408.                         if (fEventsOut.ctrl->port != nullptr)

  3409.                         {

  3410.                             CARLA_SAFE_ASSERT_CONTINUE(ev->time.frames >= 0);

  3411.                             CARLA_SAFE_ASSERT_CONTINUE(ev->body.size < 0xFF);

  3412.                             fEventsOut.ctrl->port->writeMidiEvent(static_cast<uint32_t>(ev->time.frames), static_cast<uint8_t>(ev->body.size), data);

  3413.                         }

  3414.                     }

  3415.                     else //if (ev->body.type == CARLA_URI_MAP_ID_ATOM_BLANK)

  3416.                     {

  3417.                         //carla_stdout("Got out event, %s", carla_lv2_urid_unmap(this, ev->body.type));

  3418.                         fAtomBufferOut.put(&ev->body, fEventsOut.ctrl->rindex);

  3419.                     }

  3420. 

  3421.                     lv2_atom_buffer_increment(&iter);

  3422.                 }

  3423.             }

  3424.             else if ((fEventsOut.ctrl->type & CARLA_EVENT_DATA_EVENT) != 0 && fEventsOut.ctrl->port != nullptr)

  3425.             {

  3426.                 const LV2_Event* ev;

  3427.                 LV2_Event_Iterator iter;

  3428. 

  3429.                 uint8_t* data;

  3430.                 lv2_event_begin(&iter, fEventsOut.ctrl->event);

  3431. 

  3432.                 for (;;)

  3433.                 {

  3434.                     data = nullptr;

  3435.                     ev = lv2_event_get(&iter, &data);

  3436. 

  3437.                     if (ev == nullptr || data == nullptr)

  3438.                         break;

  3439. 

  3440.                     if (ev->type == CARLA_URI_MAP_ID_MIDI_EVENT)

  3441.                     {

  3442.                         CARLA_SAFE_ASSERT_CONTINUE(ev->size < 0xFF);

  3443.                         fEventsOut.ctrl->port->writeMidiEvent(ev->frames, static_cast<uint8_t>(ev->size), data);

  3444.                     }

  3445. 

  3446.                     lv2_event_increment(&iter);

  3447.                 }

  3448.             }

  3449.             else if ((fEventsOut.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) != 0 && fEventsOut.ctrl->port != nullptr)

  3450.             {

  3451.                 LV2_MIDIState state = { &fEventsOut.ctrl->midi, frames, 0 };

  3452. 

  3453.                 uint32_t eventSize;

  3454.                 double   eventTime;

  3455.                 uchar* eventData;

  3456. 

  3457.                 for (;;)

  3458.                 {

  3459.                     eventSize = 0;

  3460.                     eventTime = 0.0;

  3461.                     eventData = nullptr;

  3462.                     lv2midi_get_event(&state, &eventTime, &eventSize, &eventData);

  3463. 

  3464.                     if (eventData == nullptr || eventSize == 0)

  3465.                         break;

  3466. 

  3467.                     CARLA_SAFE_ASSERT_CONTINUE(eventSize < 0xFF);

  3468.                     CARLA_SAFE_ASSERT_CONTINUE(eventTime >= 0.0);

  3469. 

  3470.                     fEventsOut.ctrl->port->writeMidiEvent(static_cast<uint32_t>(eventTime), static_cast<uint8_t>(eventSize), eventData);

  3471.                     lv2midi_step(&state);

  3472.                 }

  3473.             }

  3474.         }

  3475. 

  3476. #ifndef BUILD_BRIDGE

  3477.         // --------------------------------------------------------------------------------------------------------

  3478.         // Control Output

  3479. 

  3480.         if (pData->event.portOut != nullptr)

  3481.         {

  3482.             uint8_t  channel;

  3483.             uint16_t param;

  3484.             float    value;

  3485. 

  3486.             for (uint32_t k=0; k < pData->param.count; ++k)

  3487.             {

  3488.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  3489.                     continue;

  3490. 

  3491.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  3492. 

  3493.                 if (pData->param.data[k].midiCC > 0)

  3494.                 {

  3495.                     channel = pData->param.data[k].midiChannel;

  3496.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  3497.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  3498.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  3499.                 }

  3500.             }

  3501.         } // End of Control Output

  3502. #endif

  3503. 

  3504.         // --------------------------------------------------------------------------------------------------------

  3505.         // Final work

  3506. 

  3507.         if (fExt.worker != nullptr && fExt.worker->end_run != nullptr)

  3508.         {

  3509.             fExt.worker->end_run(fHandle);

  3510. 

  3511.             if (fHandle2 != nullptr)

  3512.                 fExt.worker->end_run(fHandle2);

  3513.         }

  3514. 

  3515.         fFirstActive = false;

  3516. 

  3517.         // --------------------------------------------------------------------------------------------------------

  3518.     }

  3519. 

  3520.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  3521.     {

  3522.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  3523. 

  3524.         if (pData->audioIn.count > 0)

  3525.         {

  3526.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  3527.         }

  3528.         if (pData->audioOut.count > 0)

  3529.         {

  3530.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  3531.         }

  3532.         if (pData->cvIn.count > 0)

  3533.         {

  3534.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  3535.         }

  3536.         if (pData->cvOut.count > 0)

  3537.         {

  3538.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  3539.         }

  3540. 

  3541.         // --------------------------------------------------------------------------------------------------------

  3542.         // Try lock, silence otherwise

  3543. 

  3544.         if (pData->engine->isOffline())

  3545.         {

  3546.             pData->singleMutex.lock();

  3547.         }

  3548.         else if (! pData->singleMutex.tryLock())

  3549.         {

  3550.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3551.             {

  3552.                 for (uint32_t k=0; k < frames; ++k)

  3553.                     audioOut[i][k+timeOffset] = 0.0f;

  3554.             }

  3555.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3556.             {

  3557.                 for (uint32_t k=0; k < frames; ++k)

  3558.                     cvOut[i][k+timeOffset] = 0.0f;

  3559.             }

  3560. 

  3561.             return false;

  3562.         }

  3563. 

  3564.         // --------------------------------------------------------------------------------------------------------

  3565.         // Set audio buffers

  3566. 

  3567.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3568.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  3569. 

  3570.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3571.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  3572. 

  3573.         // --------------------------------------------------------------------------------------------------------

  3574.         // Set CV buffers

  3575. 

  3576.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3577.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  3578. 

  3579.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3580.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  3581. 

  3582.         // --------------------------------------------------------------------------------------------------------

  3583.         // Run plugin

  3584. 

  3585.         fDescriptor->run(fHandle, frames);

  3586. 

  3587.         if (fHandle2 != nullptr)

  3588.             fDescriptor->run(fHandle2, frames);

  3589. 

  3590.         // --------------------------------------------------------------------------------------------------------

  3591.         // Handle trigger parameters

  3592. 

  3593.         for (uint32_t k=0; k < pData->param.count; ++k)

  3594.         {

  3595.             if (pData->param.data[k].type != PARAMETER_INPUT)

  3596.                 continue;

  3597. 

  3598.             if (pData->param.data[k].hints & PARAMETER_IS_TRIGGER)

  3599.             {

  3600.                 if (carla_isNotEqual(fParamBuffers[k], pData->param.ranges[k].def))

  3601.                 {

  3602.                     fParamBuffers[k] = pData->param.ranges[k].def;

  3603.                     pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, fParamBuffers[k]);

  3604.                 }

  3605.             }

  3606.         }

  3607. 

  3608.         pData->postRtEvents.trySplice();

  3609. 

  3610. #ifndef BUILD_BRIDGE

  3611.         // --------------------------------------------------------------------------------------------------------

  3612.         // Post-processing (dry/wet, volume and balance)

  3613. 

  3614.         {

  3615.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  3616.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  3617.             const bool isMono    = (pData->audioIn.count == 1);

  3618. 

  3619.             bool isPair;

  3620.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  3621. 

  3622.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3623.             {

  3624.                 // Dry/Wet

  3625.                 if (doDryWet)

  3626.                 {

  3627.                     for (uint32_t k=0; k < frames; ++k)

  3628.                     {

  3629. #if 0 // TODO

  3630.                         if (k < pData->latency)

  3631.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  3632.                         else if (pData->latency < frames)

  3633.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  3634.                         else

  3635. #endif

  3636.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  3637. 

  3638.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  3639.                     }

  3640.                 }

  3641. 

  3642.                 // Balance

  3643.                 if (doBalance)

  3644.                 {

  3645.                     isPair = (i % 2 == 0);

  3646. 

  3647.                     if (isPair)

  3648.                     {

  3649.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  3650.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  3651.                     }

  3652. 

  3653.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  3654.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  3655. 

  3656.                     for (uint32_t k=0; k < frames; ++k)

  3657.                     {

  3658.                         if (isPair)

  3659.                         {

  3660.                             // left

  3661.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  3662.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  3663.                         }

  3664.                         else

  3665.                         {

  3666.                             // right

  3667.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  3668.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  3669.                         }

  3670.                     }

  3671.                 }

  3672. 

  3673.                 // Volume (and buffer copy)

  3674.                 {

  3675.                     for (uint32_t k=0; k < frames; ++k)

  3676.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  3677.                 }

  3678.             }

  3679.         } // End of Post-processing

  3680. 

  3681. #else // BUILD_BRIDGE

  3682.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3683.         {

  3684.             for (uint32_t k=0; k < frames; ++k)

  3685.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  3686.         }

  3687. #endif

  3688. 

  3689.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3690.         {

  3691.             for (uint32_t k=0; k < frames; ++k)

  3692.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  3693.         }

  3694. 

  3695.         // --------------------------------------------------------------------------------------------------------

  3696. 

  3697.         pData->singleMutex.unlock();

  3698.         return true;

  3699.     }

  3700. 

  3701.     void bufferSizeChanged(const uint32_t newBufferSize) override

  3702.     {

  3703.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  3704.         carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - start", newBufferSize);

  3705. 

  3706.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3707.         {

  3708.             if (fAudioInBuffers[i] != nullptr)

  3709.                 delete[] fAudioInBuffers[i];

  3710.             fAudioInBuffers[i] = new float[newBufferSize];

  3711.         }

  3712. 

  3713.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3714.         {

  3715.             if (fAudioOutBuffers[i] != nullptr)

  3716.                 delete[] fAudioOutBuffers[i];

  3717.             fAudioOutBuffers[i] = new float[newBufferSize];

  3718.         }

  3719. 

  3720.         if (fHandle2 == nullptr)

  3721.         {

  3722.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3723.             {

  3724.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  3725.                 fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  3726.             }

  3727. 

  3728.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3729.             {

  3730.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  3731.                 fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  3732.             }

  3733.         }

  3734.         else

  3735.         {

  3736.             if (pData->audioIn.count > 0)

  3737.             {

  3738.                 CARLA_ASSERT(pData->audioIn.count == 2);

  3739.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  3740.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  3741. 

  3742.                 fDescriptor->connect_port(fHandle,  pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  3743.                 fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  3744.             }

  3745. 

  3746.             if (pData->audioOut.count > 0)

  3747.             {

  3748.                 CARLA_ASSERT(pData->audioOut.count == 2);

  3749.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  3750.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  3751. 

  3752.                 fDescriptor->connect_port(fHandle,  pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  3753.                 fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  3754.             }

  3755.         }

  3756. 

  3757.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3758.         {

  3759.             if (fCvInBuffers[i] != nullptr)

  3760.                 delete[] fCvInBuffers[i];

  3761.             fCvInBuffers[i] = new float[newBufferSize];

  3762. 

  3763.             fDescriptor->connect_port(fHandle, pData->cvIn.ports[i].rindex, fCvInBuffers[i]);

  3764. 

  3765.             if (fHandle2 != nullptr)

  3766.                 fDescriptor->connect_port(fHandle2, pData->cvIn.ports[i].rindex, fCvInBuffers[i]);

  3767.         }

  3768. 

  3769.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3770.         {

  3771.             if (fCvOutBuffers[i] != nullptr)

  3772.                 delete[] fCvOutBuffers[i];

  3773.             fCvOutBuffers[i] = new float[newBufferSize];

  3774. 

  3775.             fDescriptor->connect_port(fHandle, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]);

  3776. 

  3777.             if (fHandle2 != nullptr)

  3778.                 fDescriptor->connect_port(fHandle2, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]);

  3779.         }

  3780. 

  3781.         const int newBufferSizeInt(static_cast<int>(newBufferSize));

  3782. 

  3783.         if (fLv2Options.maxBufferSize != newBufferSizeInt || (fLv2Options.minBufferSize != 1 && fLv2Options.minBufferSize != newBufferSizeInt))

  3784.         {

  3785.             fLv2Options.maxBufferSize = newBufferSizeInt;

  3786. 

  3787.             if (fLv2Options.minBufferSize != 1)

  3788.                 fLv2Options.minBufferSize = newBufferSizeInt;

  3789. 

  3790.             if (fExt.options != nullptr && fExt.options->set != nullptr)

  3791.             {

  3792.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MaxBlockLenth]);

  3793.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MinBlockLenth]);

  3794.             }

  3795.         }

  3796. 

  3797.         carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - end", newBufferSize);

  3798.     }

  3799. 

  3800.     void sampleRateChanged(const double newSampleRate) override

  3801.     {

  3802.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  3803.         carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - start", newSampleRate);

  3804. 

  3805.         if (carla_isNotEqual(fLv2Options.sampleRate, newSampleRate))

  3806.         {

  3807.             fLv2Options.sampleRate = newSampleRate;

  3808. 

  3809.             if (fExt.options != nullptr && fExt.options->set != nullptr)

  3810.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::SampleRate]);

  3811.         }

  3812. 

  3813.         for (uint32_t k=0; k < pData->param.count; ++k)

  3814.         {

  3815.             if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_SAMPLE_RATE)

  3816.             {

  3817.                 fParamBuffers[k] = static_cast<float>(newSampleRate);

  3818.                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  3819.                 break;

  3820.             }

  3821.         }

  3822. 

  3823.         carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - end", newSampleRate);

  3824.     }

  3825. 

  3826.     void offlineModeChanged(const bool isOffline) override

  3827.     {

  3828.         for (uint32_t k=0; k < pData->param.count; ++k)

  3829.         {

  3830.             if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_FREEWHEEL)

  3831.             {

  3832.                 fParamBuffers[k] = isOffline ? pData->param.ranges[k].max : pData->param.ranges[k].min;

  3833.                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  3834.                 break;

  3835.             }

  3836.         }

  3837.     }

  3838. 

  3839.     // -------------------------------------------------------------------

  3840.     // Plugin buffers

  3841. 

  3842.     void initBuffers() const noexcept override

  3843.     {

  3844.         fEventsIn.initBuffers();

  3845.         fEventsOut.initBuffers();

  3846. 

  3847.         CarlaPlugin::initBuffers();

  3848.     }

  3849. 

  3850.     void clearBuffers() noexcept override

  3851.     {

  3852.         carla_debug("CarlaPluginLV2::clearBuffers() - start");

  3853. 

  3854.         if (fAudioInBuffers != nullptr)

  3855.         {

  3856.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3857.             {

  3858.                 if (fAudioInBuffers[i] != nullptr)

  3859.                 {

  3860.                     delete[] fAudioInBuffers[i];

  3861.                     fAudioInBuffers[i] = nullptr;

  3862.                 }

  3863.             }

  3864. 

  3865.             delete[] fAudioInBuffers;

  3866.             fAudioInBuffers = nullptr;

  3867.         }

  3868. 

  3869.         if (fAudioOutBuffers != nullptr)

  3870.         {

  3871.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3872.             {

  3873.                 if (fAudioOutBuffers[i] != nullptr)

  3874.                 {

  3875.                     delete[] fAudioOutBuffers[i];

  3876.                     fAudioOutBuffers[i] = nullptr;

  3877.                 }

  3878.             }

  3879. 

  3880.             delete[] fAudioOutBuffers;

  3881.             fAudioOutBuffers = nullptr;

  3882.         }

  3883. 

  3884.         if (fCvInBuffers != nullptr)

  3885.         {

  3886.             for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3887.             {

  3888.                 if (fCvInBuffers[i] != nullptr)

  3889.                 {

  3890.                     delete[] fCvInBuffers[i];

  3891.                     fCvInBuffers[i] = nullptr;

  3892.                 }

  3893.             }

  3894. 

  3895.             delete[] fCvInBuffers;

  3896.             fCvInBuffers = nullptr;

  3897.         }

  3898. 

  3899.         if (fCvOutBuffers != nullptr)

  3900.         {

  3901.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3902.             {

  3903.                 if (fCvOutBuffers[i] != nullptr)

  3904.                 {

  3905.                     delete[] fCvOutBuffers[i];

  3906.                     fCvOutBuffers[i] = nullptr;

  3907.                 }

  3908.             }

  3909. 

  3910.             delete[] fCvOutBuffers;

  3911.             fCvOutBuffers = nullptr;

  3912.         }

  3913. 

  3914.         if (fParamBuffers != nullptr)

  3915.         {

  3916.             delete[] fParamBuffers;

  3917.             fParamBuffers = nullptr;

  3918.         }

  3919. 

  3920.         fEventsIn.clear();

  3921.         fEventsOut.clear();

  3922. 

  3923.         CarlaPlugin::clearBuffers();

  3924. 

  3925.         carla_debug("CarlaPluginLV2::clearBuffers() - end");

  3926.     }

  3927. 

  3928.     // -------------------------------------------------------------------

  3929.     // Post-poned UI Stuff

  3930. 

  3931.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  3932.     {

  3933.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3934.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  3935. 

  3936.         if (fUI.type == UI::TYPE_BRIDGE)

  3937.         {

  3938.             if (fPipeServer.isPipeRunning())

  3939.                 fPipeServer.writeControlMessage(static_cast<uint32_t>(pData->param.data[index].rindex), value);

  3940.         }

  3941.         else

  3942.         {

  3943.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && ! fNeedsUiClose)

  3944.             {

  3945.                 CARLA_SAFE_ASSERT_RETURN(pData->param.data[index].rindex >= 0,);

  3946.                 fUI.descriptor->port_event(fUI.handle, static_cast<uint32_t>(pData->param.data[index].rindex), sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  3947.             }

  3948.         }

  3949.     }

  3950. 

  3951.     void uiMidiProgramChange(const uint32_t index) noexcept override

  3952.     {

  3953.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3954.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  3955. 

  3956.         if (fUI.type == UI::TYPE_BRIDGE)

  3957.         {

  3958.             if (fPipeServer.isPipeRunning())

  3959.                 fPipeServer.writeProgramMessage(index);

  3960.         }

  3961.         else

  3962.         {

  3963.             if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program != nullptr && ! fNeedsUiClose)

  3964.                 fExt.uiprograms->select_program(fUI.handle, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  3965.         }

  3966.     }

  3967. 

  3968.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  3969.     {

  3970.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3971.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  3972.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  3973.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  3974. 

  3975.         if (fUI.type == UI::TYPE_BRIDGE)

  3976.         {

  3977.             if (fPipeServer.isPipeRunning())

  3978.                 fPipeServer.writeMidiNoteMessage(false, channel, note, velo);

  3979.         }

  3980.         else

  3981.         {

  3982.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr && ! fNeedsUiClose)

  3983.             {

  3984.                 LV2_Atom_MidiEvent midiEv;

  3985.                 midiEv.atom.type = CARLA_URI_MAP_ID_MIDI_EVENT;

  3986.                 midiEv.atom.size = 3;

  3987.                 midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  3988.                 midiEv.data[1] = note;

  3989.                 midiEv.data[2] = velo;

  3990. 

  3991.                 fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, &midiEv);

  3992.             }

  3993.         }

  3994.     }

  3995. 

  3996.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  3997.     {

  3998.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3999.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  4000.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  4001. 

  4002.         if (fUI.type == UI::TYPE_BRIDGE)

  4003.         {

  4004.             if (fPipeServer.isPipeRunning())

  4005.                 fPipeServer.writeMidiNoteMessage(false, channel, note, 0);

  4006.         }

  4007.         else

  4008.         {

  4009.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr && ! fNeedsUiClose)

  4010.             {

  4011.                 LV2_Atom_MidiEvent midiEv;

  4012.                 midiEv.atom.type = CARLA_URI_MAP_ID_MIDI_EVENT;

  4013.                 midiEv.atom.size = 3;

  4014.                 midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (channel & MIDI_CHANNEL_BIT));

  4015.                 midiEv.data[1] = note;

  4016.                 midiEv.data[2] = 0;

  4017. 

  4018.                 fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, &midiEv);

  4019.             }

  4020.         }

  4021.     }

  4022. 

  4023.     // -------------------------------------------------------------------

  4024. 

  4025.     bool isRealtimeSafe() const noexcept

  4026.     {

  4027.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

  4028. 

  4029.         for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i)

  4030.         {

  4031.             if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_CORE__hardRTCapable) == 0)

  4032.                 return true;

  4033.         }

  4034. 

  4035.         return false;

  4036.     }

  4037. 

  4038.     bool needsFixedBuffer() const noexcept

  4039.     {

  4040.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

  4041. 

  4042.         for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i)

  4043.         {

  4044.             if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_BUF_SIZE__fixedBlockLength) == 0)

  4045.                 return true;

  4046.         }

  4047. 

  4048.         return false;

  4049.     }

  4050. 

  4051.     // -------------------------------------------------------------------

  4052. 

  4053.     bool isUiBridgeable(const uint32_t uiId) const noexcept

  4054.     {

  4055.         CARLA_SAFE_ASSERT_RETURN(uiId < fRdfDescriptor->UICount, false);

  4056. 

  4057. #ifndef LV2_UIS_ONLY_INPROCESS

  4058.         const LV2_RDF_UI* const rdfUI(&fRdfDescriptor->UIs[uiId]);

  4059. 

  4060.         // Calf UIs are mostly useless without their special graphs

  4061.         // but they can be crashy under certain conditions, so follow user preferences

  4062.         if (std::strstr(rdfUI->URI, "http://calf.sourceforge.net/plugins/gui/") != nullptr)

  4063.             return pData->engine->getOptions().preferUiBridges;

  4064. 

  4065.         for (uint32_t i=0; i < rdfUI->FeatureCount; ++i)

  4066.         {

  4067.             if (std::strcmp(rdfUI->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0)

  4068.                 return false;

  4069.             if (std::strcmp(rdfUI->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  4070.                 return false;

  4071.         }

  4072. 

  4073.         return true;

  4074. #else

  4075.         return false;

  4076. #endif

  4077.     }

  4078. 

  4079.     bool isUiResizable() const noexcept

  4080.     {

  4081.         CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr, false);

  4082. 

  4083.         for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i)

  4084.         {

  4085.             if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__fixedSize) == 0)

  4086.                 return false;

  4087.             if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  4088.                 return false;

  4089.         }

  4090. 

  4091.         return true;

  4092.     }

  4093. 

  4094.     const char* getUiBridgeBinary(const LV2_Property type) const

  4095.     {

  4096.         CarlaString bridgeBinary(pData->engine->getOptions().binaryDir);

  4097. 

  4098.         if (bridgeBinary.isEmpty())

  4099.             return nullptr;

  4100. 

  4101.         switch (type)

  4102.         {

  4103.         case LV2_UI_GTK2:

  4104.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk2";

  4105.             break;

  4106.         case LV2_UI_GTK3:

  4107.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk3";

  4108.             break;

  4109.         case LV2_UI_QT4:

  4110.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt4";

  4111.             break;

  4112.         case LV2_UI_QT5:

  4113.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt5";

  4114.             break;

  4115.         case LV2_UI_COCOA:

  4116.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-cocoa";

  4117.             break;

  4118.         case LV2_UI_WINDOWS:

  4119.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-windows";

  4120.             break;

  4121.         case LV2_UI_X11:

  4122.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-x11";

  4123.             break;

  4124.         case LV2_UI_EXTERNAL:

  4125.         case LV2_UI_OLD_EXTERNAL:

  4126.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-external";

  4127.             break;

  4128.         case LV2_UI_MOD:

  4129.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-modgui";

  4130.             break;

  4131.         default:

  4132.             return nullptr;

  4133.         }

  4134. 

  4135. #ifdef CARLA_OS_WIN

  4136.         bridgeBinary += ".exe";

  4137. #endif

  4138. 

  4139.         if (! File(bridgeBinary.buffer()).existsAsFile())

  4140.             return nullptr;

  4141. 

  4142.         return bridgeBinary.dup();

  4143.     }

  4144. 

  4145.     // -------------------------------------------------------------------

  4146. 

  4147.     void recheckExtensions()

  4148.     {

  4149.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  4150.         carla_debug("CarlaPluginLV2::recheckExtensions()");

  4151. 

  4152.         fExt.options  = nullptr;

  4153.         fExt.programs = nullptr;

  4154.         fExt.state    = nullptr;

  4155.         fExt.worker   = nullptr;

  4156. 

  4157.         if (fRdfDescriptor->ExtensionCount == 0 || fDescriptor->extension_data == nullptr)

  4158.             return;

  4159. 

  4160.         for (uint32_t i=0; i < fRdfDescriptor->ExtensionCount; ++i)

  4161.         {

  4162.             CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->Extensions[i] != nullptr);

  4163. 

  4164.             if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_OPTIONS__interface) == 0)

  4165.                 pData->hints |= PLUGIN_HAS_EXTENSION_OPTIONS;

  4166.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  4167.                 pData->hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  4168.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_STATE__interface) == 0)

  4169.                 pData->hints |= PLUGIN_HAS_EXTENSION_STATE;

  4170.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_WORKER__interface) == 0)

  4171.                 pData->hints |= PLUGIN_HAS_EXTENSION_WORKER;

  4172.             else

  4173.                 carla_stdout("Plugin has non-supported extension: '%s'", fRdfDescriptor->Extensions[i]);

  4174.         }

  4175. 

  4176.         if (fDescriptor->extension_data != nullptr)

  4177.         {

  4178.             if (pData->hints & PLUGIN_HAS_EXTENSION_OPTIONS)

  4179.                 fExt.options = (const LV2_Options_Interface*)fDescriptor->extension_data(LV2_OPTIONS__interface);

  4180. 

  4181.             if (pData->hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  4182.                 fExt.programs = (const LV2_Programs_Interface*)fDescriptor->extension_data(LV2_PROGRAMS__Interface);

  4183. 

  4184.             if (pData->hints & PLUGIN_HAS_EXTENSION_STATE)

  4185.                 fExt.state = (const LV2_State_Interface*)fDescriptor->extension_data(LV2_STATE__interface);

  4186. 

  4187.             if (pData->hints & PLUGIN_HAS_EXTENSION_WORKER)

  4188.                 fExt.worker = (const LV2_Worker_Interface*)fDescriptor->extension_data(LV2_WORKER__interface);

  4189. 

  4190.             // check if invalid

  4191.             if (fExt.options != nullptr && fExt.options->get == nullptr  && fExt.options->set == nullptr)

  4192.                 fExt.options = nullptr;

  4193. 

  4194.             if (fExt.programs != nullptr && (fExt.programs->get_program == nullptr || fExt.programs->select_program == nullptr))

  4195.                 fExt.programs = nullptr;

  4196. 

  4197.             if (fExt.state != nullptr && (fExt.state->save == nullptr || fExt.state->restore == nullptr))

  4198.                 fExt.state = nullptr;

  4199. 

  4200.             if (fExt.worker != nullptr && fExt.worker->work == nullptr)

  4201.                 fExt.worker = nullptr;

  4202.         }

  4203. 

  4204.         CARLA_SAFE_ASSERT_RETURN(fLatencyIndex == -1,);

  4205. 

  4206.         for (uint32_t i=0, count=fRdfDescriptor->PortCount, iCtrl=0; i<count; ++i)

  4207.         {

  4208.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  4209. 

  4210.             if (! LV2_IS_PORT_CONTROL(portTypes))

  4211.                 continue;

  4212. 

  4213.             iCtrl++;

  4214. 

  4215.             if (! LV2_IS_PORT_OUTPUT(portTypes))

  4216.                 continue;

  4217. 

  4218.             const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation);

  4219. 

  4220.             if (! LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  4221.                 continue;

  4222. 

  4223.             fLatencyIndex = static_cast<int32_t>(iCtrl);

  4224.             break;

  4225.         }

  4226.     }

  4227. 

  4228.     // -------------------------------------------------------------------

  4229. 

  4230.     void updateUi()

  4231.     {

  4232.         CARLA_SAFE_ASSERT_RETURN(fUI.handle != nullptr,);

  4233.         CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,);

  4234.         carla_debug("CarlaPluginLV2::updateUi()");

  4235. 

  4236.         // update midi program

  4237.         if (fExt.uiprograms != nullptr && pData->midiprog.count > 0 && pData->midiprog.current >= 0)

  4238.         {

  4239.             const MidiProgramData& curData(pData->midiprog.getCurrent());

  4240.             fExt.uiprograms->select_program(fUI.handle, curData.bank, curData.program);

  4241.         }

  4242. 

  4243.         // update control ports

  4244.         if (fUI.descriptor->port_event != nullptr)

  4245.         {

  4246.             float value;

  4247.             for (uint32_t i=0; i < pData->param.count; ++i)

  4248.             {

  4249.                 value = getParameterValue(i);

  4250.                 fUI.descriptor->port_event(fUI.handle, static_cast<uint32_t>(pData->param.data[i].rindex), sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  4251.             }

  4252.         }

  4253.     }

  4254. 

  4255.     // -------------------------------------------------------------------

  4256. 

  4257.     LV2_URID getCustomURID(const char* const uri)

  4258.     {

  4259.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', CARLA_URI_MAP_ID_NULL);

  4260.         carla_debug("CarlaPluginLV2::getCustomURID(\"%s\")", uri);

  4261. 

  4262.         for (size_t i=0; i < fCustomURIDs.count(); ++i)

  4263.         {

  4264.             const char* const thisUri(fCustomURIDs.getAt(i, nullptr));

  4265.             if (thisUri != nullptr && std::strcmp(thisUri, uri) == 0)

  4266.                 return static_cast<LV2_URID>(i);

  4267.         }

  4268. 

  4269.         const LV2_URID urid(static_cast<LV2_URID>(fCustomURIDs.count()));

  4270. 

  4271.         fCustomURIDs.append(carla_strdup(uri));

  4272. 

  4273.         if (fUI.type == UI::TYPE_BRIDGE && fPipeServer.isPipeRunning())

  4274.             fPipeServer.writeLv2UridMessage(urid, uri);

  4275. 

  4276.         return urid;

  4277.     }

  4278. 

  4279.     const char* getCustomURIDString(const LV2_URID urid) const noexcept

  4280.     {

  4281.         static const char* const sFallback = "urn:null";

  4282.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL, sFallback);

  4283.         CARLA_SAFE_ASSERT_RETURN(urid < fCustomURIDs.count(), sFallback);

  4284.         carla_debug("CarlaPluginLV2::getCustomURIString(%i)", urid);

  4285. 

  4286.         return fCustomURIDs.getAt(urid, sFallback);

  4287.     }

  4288. 

  4289.     // -------------------------------------------------------------------

  4290. 

  4291.     void handleProgramChanged(const int32_t index)

  4292.     {

  4293.         CARLA_SAFE_ASSERT_RETURN(index >= -1,);

  4294.         carla_debug("CarlaPluginLV2::handleProgramChanged(%i)", index);

  4295. 

  4296.         if (index == -1)

  4297.         {

  4298.             const ScopedSingleProcessLocker spl(this, true);

  4299.             return reloadPrograms(false);

  4300.         }

  4301. 

  4302.         if (index < static_cast<int32_t>(pData->midiprog.count) && fExt.programs != nullptr && fExt.programs->get_program != nullptr)

  4303.         {

  4304.             if (const LV2_Program_Descriptor* const progDesc = fExt.programs->get_program(fHandle, static_cast<uint32_t>(index)))

  4305.             {

  4306.                 CARLA_SAFE_ASSERT_RETURN(progDesc->name != nullptr,);

  4307. 

  4308.                 if (pData->midiprog.data[index].name != nullptr)

  4309.                     delete[] pData->midiprog.data[index].name;

  4310. 

  4311.                 pData->midiprog.data[index].name = carla_strdup(progDesc->name);

  4312. 

  4313.                 if (index == pData->midiprog.current)

  4314.                     pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, 0, 0, 0.0, nullptr);

  4315.                 else

  4316.                     pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0, nullptr);

  4317.             }

  4318.         }

  4319.     }

  4320. 

  4321.     // -------------------------------------------------------------------

  4322. 

  4323.     LV2_Resize_Port_Status handleResizePort(const uint32_t index, const size_t size)

  4324.     {

  4325.         CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_RESIZE_PORT_ERR_UNKNOWN);

  4326.         carla_debug("CarlaPluginLV2::handleResizePort(%i, " P_SIZE ")", index, size);

  4327. 

  4328.         // TODO

  4329.         return LV2_RESIZE_PORT_ERR_NO_SPACE;

  4330.         (void)index;

  4331.     }

  4332. 

  4333.     // -------------------------------------------------------------------

  4334. 

  4335.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  4336.     {

  4337.         CARLA_SAFE_ASSERT_RETURN(key != CARLA_URI_MAP_ID_NULL, LV2_STATE_ERR_NO_PROPERTY);

  4338.         CARLA_SAFE_ASSERT_RETURN(value != nullptr, LV2_STATE_ERR_NO_PROPERTY);

  4339.         CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_STATE_ERR_NO_PROPERTY);

  4340.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, LV2_STATE_ERR_BAD_TYPE);

  4341.         CARLA_SAFE_ASSERT_RETURN(flags & LV2_STATE_IS_POD, LV2_STATE_ERR_BAD_FLAGS);

  4342.         carla_debug("CarlaPluginLV2::handleStateStore(%i:\"%s\", %p, " P_SIZE ", %i:\"%s\", %i)", key, carla_lv2_urid_unmap(this, key), value, size, type, carla_lv2_urid_unmap(this, type), flags);

  4343. 

  4344.         const char* const skey(carla_lv2_urid_unmap(this, key));

  4345.         const char* const stype(carla_lv2_urid_unmap(this, type));

  4346. 

  4347.         CARLA_SAFE_ASSERT_RETURN(skey != nullptr, LV2_STATE_ERR_BAD_TYPE);

  4348.         CARLA_SAFE_ASSERT_RETURN(stype != nullptr, LV2_STATE_ERR_BAD_TYPE);

  4349. 

  4350.         // Check if we already have this key

  4351.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  4352.         {

  4353.             CustomData& data(it.getValue());

  4354. 

  4355.             if (std::strcmp(data.key, skey) == 0)

  4356.             {

  4357.                 // found it

  4358.                 if (data.value != nullptr)

  4359.                     delete[] data.value;

  4360. 

  4361.                 if (type == CARLA_URI_MAP_ID_ATOM_STRING || type == CARLA_URI_MAP_ID_ATOM_PATH)

  4362.                     data.value = carla_strdup((const char*)value);

  4363.                 else

  4364.                     data.value = CarlaString::asBase64(value, size).dup();

  4365. 

  4366.                 return LV2_STATE_SUCCESS;

  4367.             }

  4368.         }

  4369. 

  4370.         // Otherwise store it

  4371.         CustomData newData;

  4372.         newData.type = carla_strdup(stype);

  4373.         newData.key  = carla_strdup(skey);

  4374. 

  4375.         if (type == CARLA_URI_MAP_ID_ATOM_STRING || type == CARLA_URI_MAP_ID_ATOM_PATH)

  4376.             newData.value = carla_strdup((const char*)value);

  4377.         else

  4378.             newData.value = CarlaString::asBase64(value, size).dup();

  4379. 

  4380.         pData->custom.append(newData);

  4381. 

  4382.         return LV2_STATE_SUCCESS;

  4383.     }

  4384. 

  4385.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  4386.     {

  4387.         CARLA_SAFE_ASSERT_RETURN(key != CARLA_URI_MAP_ID_NULL, nullptr);

  4388.         CARLA_SAFE_ASSERT_RETURN(size != nullptr, nullptr);

  4389.         CARLA_SAFE_ASSERT_RETURN(type != nullptr, nullptr);

  4390.         CARLA_SAFE_ASSERT_RETURN(flags != nullptr, nullptr);

  4391.         carla_debug("CarlaPluginLV2::handleStateRetrieve(%i, %p, %p, %p)", key, size, type, flags);

  4392. 

  4393.         const char* const skey(carla_lv2_urid_unmap(this, key));

  4394. 

  4395.         CARLA_SAFE_ASSERT_RETURN(skey != nullptr, nullptr);

  4396. 

  4397.         const char* stype = nullptr;

  4398.         const char* stringData = nullptr;

  4399. 

  4400.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  4401.         {

  4402.             const CustomData& data(it.getValue());

  4403. 

  4404.             if (std::strcmp(data.key, skey) == 0)

  4405.             {

  4406.                 stype      = data.type;

  4407.                 stringData = data.value;

  4408.                 break;

  4409.             }

  4410.         }

  4411. 

  4412.         CARLA_SAFE_ASSERT_RETURN(stype != nullptr, nullptr);

  4413.         CARLA_SAFE_ASSERT_RETURN(stringData != nullptr, nullptr);

  4414. 

  4415.         *type  = carla_lv2_urid_map(this, stype);

  4416.         *flags = LV2_STATE_IS_POD;

  4417. 

  4418.         if (*type == CARLA_URI_MAP_ID_ATOM_STRING || *type == CARLA_URI_MAP_ID_ATOM_PATH)

  4419.         {

  4420.             *size = std::strlen(stringData);

  4421.             return stringData;

  4422.         }

  4423.         else

  4424.         {

  4425.             if (fLastStateChunk != nullptr)

  4426.             {

  4427.                 std::free(fLastStateChunk);

  4428.                 fLastStateChunk = nullptr;

  4429.             }

  4430. 

  4431.             std::vector<uint8_t> chunk(carla_getChunkFromBase64String(stringData));

  4432.             CARLA_SAFE_ASSERT_RETURN(chunk.size() > 0, nullptr);

  4433. 

  4434.             fLastStateChunk = std::malloc(chunk.size());

  4435.             CARLA_SAFE_ASSERT_RETURN(fLastStateChunk != nullptr, nullptr);

  4436. 

  4437.             std::memcpy(fLastStateChunk, chunk.data(), chunk.size());

  4438. 

  4439.             *size = chunk.size();

  4440.             return fLastStateChunk;

  4441.         }

  4442.     }

  4443. 

  4444.     // -------------------------------------------------------------------

  4445. 

  4446.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  4447.     {

  4448.         CARLA_SAFE_ASSERT_RETURN(fExt.worker != nullptr && fExt.worker->work != nullptr, LV2_WORKER_ERR_UNKNOWN);

  4449.         CARLA_SAFE_ASSERT_RETURN(fEventsIn.ctrl != nullptr, LV2_WORKER_ERR_UNKNOWN);

  4450.         carla_debug("CarlaPluginLV2::handleWorkerSchedule(%i, %p)", size, data);

  4451. 

  4452.         if (pData->engine->isOffline())

  4453.         {

  4454.             fExt.worker->work(fHandle, carla_lv2_worker_respond, this, size, data);

  4455.             return LV2_WORKER_SUCCESS;

  4456.         }

  4457. 

  4458.         LV2_Atom atom;

  4459.         atom.size = size;

  4460.         atom.type = CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  4461. 

  4462.         return fAtomBufferOut.putChunk(&atom, data, fEventsOut.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE;

  4463.     }

  4464. 

  4465.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  4466.     {

  4467.         carla_debug("CarlaPluginLV2::handleWorkerRespond(%i, %p)", size, data);

  4468. 

  4469.         LV2_Atom atom;

  4470.         atom.size = size;

  4471.         atom.type = CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  4472. 

  4473.         return fAtomBufferIn.putChunk(&atom, data, fEventsIn.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE;

  4474.     }

  4475. 

  4476.     // -------------------------------------------------------------------

  4477. 

  4478.     void handleExternalUIClosed()

  4479.     {

  4480.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EXTERNAL,);

  4481.         carla_debug("CarlaPluginLV2::handleExternalUIClosed()");

  4482. 

  4483.         fNeedsUiClose = true;

  4484.     }

  4485. 

  4486.     void handlePluginUIClosed() override

  4487.     {

  4488.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,);

  4489.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,);

  4490.         carla_debug("CarlaPluginLV2::handlePluginUIClosed()");

  4491. 

  4492.         fNeedsUiClose = true;

  4493.     }

  4494. 

  4495.     void handlePluginUIResized(const uint width, const uint height) override

  4496.     {

  4497.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,);

  4498.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,);

  4499.         carla_debug("CarlaPluginLV2::handlePluginUIResized(%u, %u)", width, height);

  4500. 

  4501.         if (fUI.handle != nullptr && fExt.uiresize != nullptr)

  4502.             fExt.uiresize->ui_resize(fUI.handle, static_cast<int>(width), static_cast<int>(height));

  4503.     }

  4504. 

  4505.     // -------------------------------------------------------------------

  4506. 

  4507.     uint32_t handleUIPortMap(const char* const symbol) const noexcept

  4508.     {

  4509.         CARLA_SAFE_ASSERT_RETURN(symbol != nullptr && symbol[0] != '\0', LV2UI_INVALID_PORT_INDEX);

  4510.         carla_debug("CarlaPluginLV2::handleUIPortMap(\"%s\")", symbol);

  4511. 

  4512.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  4513.         {

  4514.             if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, symbol) == 0)

  4515.                 return i;

  4516.         }

  4517. 

  4518.         return LV2UI_INVALID_PORT_INDEX;

  4519.     }

  4520. 

  4521.     int handleUIResize(const int width, const int height)

  4522.     {

  4523.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr, 1);

  4524.         CARLA_SAFE_ASSERT_RETURN(width > 0, 1);

  4525.         CARLA_SAFE_ASSERT_RETURN(height > 0, 1);

  4526.         carla_debug("CarlaPluginLV2::handleUIResize(%i, %i)", width, height);

  4527. 

  4528.         fUI.window->setSize(static_cast<uint>(width), static_cast<uint>(height), true);

  4529. 

  4530.         return 0;

  4531.     }

  4532. 

  4533.     void handleUIWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  4534.     {

  4535.         CARLA_SAFE_ASSERT_RETURN(buffer != nullptr,);

  4536.         CARLA_SAFE_ASSERT_RETURN(bufferSize > 0,);

  4537.         carla_debug("CarlaPluginLV2::handleUIWrite(%i, %i, %i, %p)", rindex, bufferSize, format, buffer);

  4538. 

  4539.         uint32_t index = LV2UI_INVALID_PORT_INDEX;

  4540. 

  4541.         switch (format)

  4542.         {

  4543.         case CARLA_URI_MAP_ID_NULL: {

  4544.             CARLA_SAFE_ASSERT_RETURN(bufferSize == sizeof(float),);

  4545. 

  4546.             for (uint32_t i=0; i < pData->param.count; ++i)

  4547.             {

  4548.                 if (pData->param.data[i].rindex != static_cast<int32_t>(rindex))

  4549.                     continue;

  4550.                 index = i;

  4551.                 break;

  4552.             }

  4553. 

  4554.             CARLA_SAFE_ASSERT_RETURN(index != LV2UI_INVALID_PORT_INDEX,);

  4555. 

  4556.             const float value(*(const float*)buffer);

  4557. 

  4558.             //if (carla_isNotEqual(fParamBuffers[index], value))

  4559.             setParameterValue(index, value, false, true, true);

  4560. 

  4561.         } break;

  4562. 

  4563.         case CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM:

  4564.         case CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT: {

  4565.             CARLA_SAFE_ASSERT_RETURN(bufferSize >= sizeof(LV2_Atom),);

  4566. 

  4567.             const LV2_Atom* const atom((const LV2_Atom*)buffer);

  4568. 

  4569.             // plugins sometimes fail on this, not good...

  4570.             CARLA_SAFE_ASSERT_INT2(bufferSize == lv2_atom_total_size(atom), bufferSize, atom->size);

  4571. 

  4572.             for (uint32_t i=0; i < fEventsIn.count; ++i)

  4573.             {

  4574.                 if (fEventsIn.data[i].rindex != rindex)

  4575.                     continue;

  4576.                 index = i;

  4577.                 break;

  4578.             }

  4579. 

  4580.             // for bad plugins

  4581.             if (index == LV2UI_INVALID_PORT_INDEX)

  4582.             {

  4583.                 CARLA_SAFE_ASSERT(index != LV2UI_INVALID_PORT_INDEX); // FIXME

  4584.                 index = fEventsIn.ctrlIndex;

  4585.             }

  4586. 

  4587.             fAtomBufferIn.put(atom, index);

  4588.         } break;

  4589. 

  4590.         default:

  4591.             carla_stdout("CarlaPluginLV2::handleUIWrite(%i, %i, %i:\"%s\", %p) - unknown format", rindex, bufferSize, format, carla_lv2_urid_unmap(this, format), buffer);

  4592.             break;

  4593.         }

  4594.     }

  4595. 

  4596.     // -------------------------------------------------------------------

  4597. 

  4598.     void handleLilvSetPortValue(const char* const portSymbol, const void* const value, const uint32_t size, const uint32_t type)

  4599.     {

  4600.         CARLA_SAFE_ASSERT_RETURN(portSymbol != nullptr && portSymbol[0] != '\0',);

  4601.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  4602.         CARLA_SAFE_ASSERT_RETURN(size > 0,);

  4603.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL,);

  4604.         carla_debug("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i)", portSymbol, value, size, type);

  4605. 

  4606.         int32_t rindex = -1;

  4607. 

  4608.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  4609.         {

  4610.             if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, portSymbol) == 0)

  4611.             {

  4612.                 rindex = static_cast<int32_t>(i);

  4613.                 break;

  4614.             }

  4615.         }

  4616. 

  4617.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,);

  4618. 

  4619.         float paramValue;

  4620. 

  4621.         switch (type)

  4622.         {

  4623.         case CARLA_URI_MAP_ID_ATOM_BOOL:

  4624.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(bool),);

  4625.             paramValue = (*(const bool*)value) ? 1.0f : 0.0f;

  4626.             break;

  4627.         case CARLA_URI_MAP_ID_ATOM_DOUBLE:

  4628.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(double),);

  4629.             paramValue = static_cast<float>((*(const double*)value));

  4630.             break;

  4631.         case CARLA_URI_MAP_ID_ATOM_FLOAT:

  4632.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(float),);

  4633.             paramValue = (*(const float*)value);

  4634.             break;

  4635.         case CARLA_URI_MAP_ID_ATOM_INT:

  4636.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(int32_t),);

  4637.             paramValue = static_cast<float>((*(const int32_t*)value));

  4638.             break;

  4639.         case CARLA_URI_MAP_ID_ATOM_LONG:

  4640.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(int64_t),);

  4641.             paramValue = static_cast<float>((*(const int64_t*)value));

  4642.             break;

  4643.         default:

  4644.             carla_stdout("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i:\"%s\") - unknown type", portSymbol, value, size, type, carla_lv2_urid_unmap(this, type));

  4645.             return;

  4646.         }

  4647. 

  4648.         for (uint32_t i=0; i < pData->param.count; ++i)

  4649.         {

  4650.             if (pData->param.data[i].rindex == rindex)

  4651.             {

  4652.                 setParameterValue(i, paramValue, true, true, true);

  4653.                 break;

  4654.             }

  4655.         }

  4656.     }

  4657. 

  4658.     // -------------------------------------------------------------------

  4659. 

  4660.     void* getNativeHandle() const noexcept override

  4661.     {

  4662.         return fHandle;

  4663.     }

  4664. 

  4665.     const void* getNativeDescriptor() const noexcept override

  4666.     {

  4667.         return fDescriptor;

  4668.     }

  4669. 

  4670.     uintptr_t getUiBridgeProcessId() const noexcept override

  4671.     {

  4672.         return fPipeServer.isPipeRunning() ? fPipeServer.getPID() : 0;

  4673.     }

  4674. 

  4675.     // -------------------------------------------------------------------

  4676. 

  4677. public:

  4678.     bool init(const char* const name, const char* const uri)

  4679.     {

  4680.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  4681. 

  4682.         // ---------------------------------------------------------------

  4683.         // first checks

  4684. 

  4685.         if (pData->client != nullptr)

  4686.         {

  4687.             pData->engine->setLastError("Plugin client is already registered");

  4688.             return false;

  4689.         }

  4690. 

  4691.         if (uri == nullptr || uri[0] == '\0')

  4692.         {

  4693.             pData->engine->setLastError("null uri");

  4694.             return false;

  4695.         }

  4696. 

  4697.         // ---------------------------------------------------------------

  4698.         // Init LV2 World if needed, sets LV2_PATH for lilv

  4699. 

  4700.         Lv2WorldClass& lv2World(Lv2WorldClass::getInstance());

  4701. 

  4702.         if (pData->engine->getOptions().pathLV2 != nullptr && pData->engine->getOptions().pathLV2[0] != '\0')

  4703.             lv2World.initIfNeeded(pData->engine->getOptions().pathLV2);

  4704.         else if (const char* const LV2_PATH = std::getenv("LV2_PATH"))

  4705.             lv2World.initIfNeeded(LV2_PATH);

  4706.         else

  4707.             lv2World.initIfNeeded(LILV_DEFAULT_LV2_PATH);

  4708. 

  4709.         // ---------------------------------------------------------------

  4710.         // get plugin from lv2_rdf (lilv)

  4711. 

  4712.         fRdfDescriptor = lv2_rdf_new(uri, true);

  4713. 

  4714.         if (fRdfDescriptor == nullptr)

  4715.         {

  4716.             pData->engine->setLastError("Failed to find the requested plugin");

  4717.             return false;

  4718.         }

  4719. 

  4720.         // ---------------------------------------------------------------

  4721.         // open DLL

  4722. 

  4723.         if (! pData->libOpen(fRdfDescriptor->Binary))

  4724.         {

  4725.             pData->engine->setLastError(pData->libError(fRdfDescriptor->Binary));

  4726.             return false;

  4727.         }

  4728. 

  4729.         // ---------------------------------------------------------------

  4730.         // try to get DLL main entry via new mode

  4731. 

  4732.         if (const LV2_Lib_Descriptor_Function libDescFn = pData->libSymbol<LV2_Lib_Descriptor_Function>("lv2_lib_descriptor"))

  4733.         {

  4734.             // -----------------------------------------------------------

  4735.             // all ok, get lib descriptor

  4736. 

  4737.             const LV2_Lib_Descriptor* const libDesc = libDescFn(fRdfDescriptor->Bundle, nullptr);

  4738. 

  4739.             if (libDesc == nullptr)

  4740.             {

  4741.                 pData->engine->setLastError("Could not find the LV2 Descriptor");

  4742.                 return false;

  4743.             }

  4744. 

  4745.             // -----------------------------------------------------------

  4746.             // get descriptor that matches URI (new mode)

  4747. 

  4748.             uint32_t i = 0;

  4749.             while ((fDescriptor = libDesc->get_plugin(libDesc->handle, i++)))

  4750.             {

  4751.                 if (std::strcmp(fDescriptor->URI, uri) == 0)

  4752.                     break;

  4753.             }

  4754.         }

  4755.         else

  4756.         {

  4757.             // -----------------------------------------------------------

  4758.             // get DLL main entry (old mode)

  4759. 

  4760.             const LV2_Descriptor_Function descFn = pData->libSymbol<LV2_Descriptor_Function>("lv2_descriptor");

  4761. 

  4762.             if (descFn == nullptr)

  4763.             {

  4764.                 pData->engine->setLastError("Could not find the LV2 Descriptor in the plugin library");

  4765.                 return false;

  4766.             }

  4767. 

  4768.             // -----------------------------------------------------------

  4769.             // get descriptor that matches URI (old mode)

  4770. 

  4771.             uint32_t i = 0;

  4772.             while ((fDescriptor = descFn(i++)))

  4773.             {

  4774.                 if (std::strcmp(fDescriptor->URI, uri) == 0)

  4775.                     break;

  4776.             }

  4777.         }

  4778. 

  4779.         if (fDescriptor == nullptr)

  4780.         {

  4781.             pData->engine->setLastError("Could not find the requested plugin URI in the plugin library");

  4782.             return false;

  4783.         }

  4784. 

  4785.         // ---------------------------------------------------------------

  4786.         // check supported port-types and features

  4787. 

  4788.         bool canContinue = true;

  4789. 

  4790.         // Check supported ports

  4791.         for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j)

  4792.         {

  4793.             const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types);

  4794. 

  4795.             if (! is_lv2_port_supported(portTypes))

  4796.             {

  4797.                 if (! LV2_IS_PORT_OPTIONAL(fRdfDescriptor->Ports[j].Properties))

  4798.                 {

  4799.                     pData->engine->setLastError("Plugin requires a port type that is not currently supported");

  4800.                     canContinue = false;

  4801.                     break;

  4802.                 }

  4803.             }

  4804.         }

  4805. 

  4806.         // Check supported features

  4807.         for (uint32_t j=0; j < fRdfDescriptor->FeatureCount && canContinue; ++j)

  4808.         {

  4809.             const LV2_RDF_Feature& feature(fRdfDescriptor->Features[j]);

  4810. 

  4811.             if (std::strcmp(feature.URI, LV2_DATA_ACCESS_URI) == 0 || std::strcmp(feature.URI, LV2_INSTANCE_ACCESS_URI) == 0)

  4812.             {

  4813.                 carla_stderr("Plugin DSP wants UI feature '%s', ignoring this", feature.URI);

  4814.             }

  4815.             else if (LV2_IS_FEATURE_REQUIRED(feature.Type) && ! is_lv2_feature_supported(feature.URI))

  4816.             {

  4817.                 CarlaString msg("Plugin wants a feature that is not supported:\n");

  4818.                 msg += feature.URI;

  4819. 

  4820.                 canContinue = false;

  4821.                 pData->engine->setLastError(msg);

  4822.                 break;

  4823.             }

  4824.         }

  4825. 

  4826.         if (! canContinue)

  4827.         {

  4828.             // error already set

  4829.             return false;

  4830.         }

  4831. 

  4832.         // ---------------------------------------------------------------

  4833.         // get info

  4834. 

  4835.         if (name != nullptr && name[0] != '\0')

  4836.             pData->name = pData->engine->getUniquePluginName(name);

  4837.         else

  4838.             pData->name = pData->engine->getUniquePluginName(fRdfDescriptor->Name);

  4839. 

  4840.         // ---------------------------------------------------------------

  4841.         // register client

  4842. 

  4843.         pData->client = pData->engine->addClient(this);

  4844. 

  4845.         if (pData->client == nullptr || ! pData->client->isOk())

  4846.         {

  4847.             pData->engine->setLastError("Failed to register plugin client");

  4848.             return false;

  4849.         }

  4850. 

  4851.         // ---------------------------------------------------------------

  4852.         // initialize options

  4853. 

  4854.         fLv2Options.minBufferSize = 1;

  4855.         fLv2Options.maxBufferSize = static_cast<int>(pData->engine->getBufferSize());

  4856.         fLv2Options.sampleRate    = pData->engine->getSampleRate();

  4857.         fLv2Options.frontendWinId = static_cast<int64_t>(pData->engine->getOptions().frontendWinId);

  4858. 

  4859.         uint32_t eventBufferSize = MAX_DEFAULT_BUFFER_SIZE;

  4860. 

  4861.         for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j)

  4862.         {

  4863.             const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types);

  4864. 

  4865.             if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes) || LV2_IS_PORT_EVENT(portTypes) || LV2_IS_PORT_MIDI_LL(portTypes))

  4866.             {

  4867.                 if (fRdfDescriptor->Ports[j].MinimumSize > eventBufferSize)

  4868.                     eventBufferSize = fRdfDescriptor->Ports[j].MinimumSize;

  4869.             }

  4870.         }

  4871. 

  4872.         fLv2Options.sequenceSize = static_cast<int>(eventBufferSize);

  4873. 

  4874.         // ---------------------------------------------------------------

  4875.         // initialize features (part 1)

  4876. 

  4877.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  4878.         eventFt->callback_data           = this;

  4879.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  4880.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  4881. 

  4882.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  4883.         logFt->handle                    = this;

  4884.         logFt->printf                    = carla_lv2_log_printf;

  4885.         logFt->vprintf                   = carla_lv2_log_vprintf;

  4886. 

  4887.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  4888.         stateMakePathFt->handle                    = this;

  4889.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  4890. 

  4891.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  4892.         stateMapPathFt->handle                     = this;

  4893.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  4894.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  4895. 

  4896.         LV2_Programs_Host* const programsFt   = new LV2_Programs_Host;

  4897.         programsFt->handle                    = this;

  4898.         programsFt->program_changed           = carla_lv2_program_changed;

  4899. 

  4900.         LV2_Resize_Port_Resize* const rsPortFt = new LV2_Resize_Port_Resize;

  4901.         rsPortFt->data                         = this;

  4902.         rsPortFt->resize                       = carla_lv2_resize_port;

  4903. 

  4904.         LV2_RtMemPool_Pool* const rtMemPoolFt = new LV2_RtMemPool_Pool;

  4905.         lv2_rtmempool_init(rtMemPoolFt);

  4906. 

  4907.         LV2_RtMemPool_Pool_Deprecated* const rtMemPoolOldFt = new LV2_RtMemPool_Pool_Deprecated;

  4908.         lv2_rtmempool_init_deprecated(rtMemPoolOldFt);

  4909. 

  4910.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  4911.         uriMapFt->callback_data             = this;

  4912.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  4913. 

  4914.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  4915.         uridMapFt->handle                   = this;

  4916.         uridMapFt->map                      = carla_lv2_urid_map;

  4917. 

  4918.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  4919.         uridUnmapFt->handle                 = this;

  4920.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  4921. 

  4922.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  4923.         workerFt->handle                    = this;

  4924.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  4925. 

  4926.         // ---------------------------------------------------------------

  4927.         // initialize features (part 2)

  4928. 

  4929.         for (uint32_t j=0; j < kFeatureCountPlugin; ++j)

  4930.             fFeatures[j] = new LV2_Feature;

  4931. 

  4932.         fFeatures[kFeatureIdBufSizeBounded]->URI   = LV2_BUF_SIZE__boundedBlockLength;

  4933.         fFeatures[kFeatureIdBufSizeBounded]->data  = nullptr;

  4934. 

  4935.         fFeatures[kFeatureIdBufSizeFixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  4936.         fFeatures[kFeatureIdBufSizeFixed]->data    = nullptr;

  4937. 

  4938.         fFeatures[kFeatureIdBufSizePowerOf2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  4939.         fFeatures[kFeatureIdBufSizePowerOf2]->data = nullptr;

  4940. 

  4941.         fFeatures[kFeatureIdEvent]->URI          = LV2_EVENT_URI;

  4942.         fFeatures[kFeatureIdEvent]->data         = eventFt;

  4943. 

  4944.         fFeatures[kFeatureIdHardRtCapable]->URI  = LV2_CORE__hardRTCapable;

  4945.         fFeatures[kFeatureIdHardRtCapable]->data = nullptr;

  4946. 

  4947.         fFeatures[kFeatureIdInPlaceBroken]->URI  = LV2_CORE__inPlaceBroken;

  4948.         fFeatures[kFeatureIdInPlaceBroken]->data = nullptr;

  4949. 

  4950.         fFeatures[kFeatureIdIsLive]->URI         = LV2_CORE__isLive;

  4951.         fFeatures[kFeatureIdIsLive]->data        = nullptr;

  4952. 

  4953.         fFeatures[kFeatureIdLogs]->URI       = LV2_LOG__log;

  4954.         fFeatures[kFeatureIdLogs]->data      = logFt;

  4955. 

  4956.         fFeatures[kFeatureIdOptions]->URI    = LV2_OPTIONS__options;

  4957.         fFeatures[kFeatureIdOptions]->data   = fLv2Options.opts;

  4958. 

  4959.         fFeatures[kFeatureIdPrograms]->URI   = LV2_PROGRAMS__Host;

  4960.         fFeatures[kFeatureIdPrograms]->data  = programsFt;

  4961. 

  4962.         fFeatures[kFeatureIdResizePort]->URI   = LV2_RESIZE_PORT__resize;

  4963.         fFeatures[kFeatureIdResizePort]->data  = rsPortFt;

  4964. 

  4965.         fFeatures[kFeatureIdRtMemPool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  4966.         fFeatures[kFeatureIdRtMemPool]->data = rtMemPoolFt;

  4967. 

  4968.         fFeatures[kFeatureIdRtMemPoolOld]->URI  = LV2_RTSAFE_MEMORY_POOL_DEPRECATED_URI;

  4969.         fFeatures[kFeatureIdRtMemPoolOld]->data = rtMemPoolOldFt;

  4970. 

  4971.         fFeatures[kFeatureIdStateMakePath]->URI  = LV2_STATE__makePath;

  4972.         fFeatures[kFeatureIdStateMakePath]->data = stateMakePathFt;

  4973. 

  4974.         fFeatures[kFeatureIdStateMapPath]->URI   = LV2_STATE__mapPath;

  4975.         fFeatures[kFeatureIdStateMapPath]->data  = stateMapPathFt;

  4976. 

  4977.         fFeatures[kFeatureIdStrictBounds]->URI   = LV2_PORT_PROPS__supportsStrictBounds;

  4978.         fFeatures[kFeatureIdStrictBounds]->data  = nullptr;

  4979. 

  4980.         fFeatures[kFeatureIdUriMap]->URI     = LV2_URI_MAP_URI;

  4981.         fFeatures[kFeatureIdUriMap]->data    = uriMapFt;

  4982. 

  4983.         fFeatures[kFeatureIdUridMap]->URI    = LV2_URID__map;

  4984.         fFeatures[kFeatureIdUridMap]->data   = uridMapFt;

  4985. 

  4986.         fFeatures[kFeatureIdUridUnmap]->URI  = LV2_URID__unmap;

  4987.         fFeatures[kFeatureIdUridUnmap]->data = uridUnmapFt;

  4988. 

  4989.         fFeatures[kFeatureIdWorker]->URI     = LV2_WORKER__schedule;

  4990.         fFeatures[kFeatureIdWorker]->data    = workerFt;

  4991. 

  4992.         // if a fixed buffer is not needed, skip its feature

  4993.         if (! needsFixedBuffer())

  4994.             fFeatures[kFeatureIdBufSizeFixed]->URI = LV2_BUF_SIZE__boundedBlockLength;

  4995. 

  4996.         // if power of 2 is not possible, skip its feature FIXME

  4997.         //if (fLv2Options.maxBufferSize)

  4998.         //    fFeatures[kFeatureIdBufSizePowerOf2]->URI = LV2_BUF_SIZE__boundedBlockLength;

  4999. 

  5000.         // ---------------------------------------------------------------

  5001.         // initialize plugin

  5002. 

  5003.         try {

  5004.             fHandle = fDescriptor->instantiate(fDescriptor, pData->engine->getSampleRate(), fRdfDescriptor->Bundle, fFeatures);

  5005.         } catch(...) {}

  5006. 

  5007.         if (fHandle == nullptr)

  5008.         {

  5009.             pData->engine->setLastError("Plugin failed to initialize");

  5010.             return false;

  5011.         }

  5012. 

  5013.         if (std::strcmp(uri, "http://hyperglitch.com/dev/VocProc") == 0)

  5014.             fCanInit2 = false;

  5015. 

  5016.         recheckExtensions();

  5017. 

  5018.         // ---------------------------------------------------------------

  5019.         // set default options

  5020. 

  5021.         pData->options  = 0x0;

  5022. 

  5023.         if (fExt.programs != nullptr && getCategory() == PLUGIN_CATEGORY_SYNTH)

  5024.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  5025. 

  5026.         if (fLatencyIndex >= 0 || getMidiInCount() > 0 || needsFixedBuffer())

  5027.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  5028. 

  5029.         if (fCanInit2 && pData->engine->getOptions().forceStereo)

  5030.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  5031. 

  5032.         if (getMidiInCount() > 0)

  5033.         {

  5034.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  5035.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  5036.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  5037.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  5038.         }

  5039. 

  5040.         // ---------------------------------------------------------------

  5041.         // gui stuff

  5042. 

  5043.         if (fRdfDescriptor->UICount != 0)

  5044.             initUi();

  5045. 

  5046.         return true;

  5047.     }

  5048. 

  5049.     // -------------------------------------------------------------------

  5050. 

  5051.     void initUi()

  5052.     {

  5053.         // ---------------------------------------------------------------

  5054.         // find the most appropriate ui

  5055. 

  5056.         int eQt4, eQt5, eGtk2, eGtk3, eCocoa, eWindows, eX11, eExt, eMod, iCocoa, iWindows, iX11, iExt, iFinal;

  5057.         eQt4 = eQt5 = eGtk2 = eGtk3 = eCocoa = eWindows = eX11 = eExt = eMod = iCocoa = iWindows = iX11 = iExt = iFinal = -1;

  5058. 

  5059. #if defined(BUILD_BRIDGE)

  5060.         const bool preferUiBridges(false);

  5061. #elif defined(LV2_UIS_ONLY_BRIDGES)

  5062.         const bool preferUiBridges(true);

  5063. #else

  5064.         const bool preferUiBridges(pData->engine->getOptions().preferUiBridges && (pData->hints & PLUGIN_IS_BRIDGE) == 0);

  5065. #endif

  5066. 

  5067.         for (uint32_t i=0; i < fRdfDescriptor->UICount; ++i)

  5068.         {

  5069.             CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->UIs[i].URI != nullptr);

  5070. 

  5071.             const int ii(static_cast<int>(i));

  5072. 

  5073.             switch (fRdfDescriptor->UIs[i].Type)

  5074.             {

  5075.             case LV2_UI_QT4:

  5076.                 if (isUiBridgeable(i))

  5077.                     eQt4 = ii;

  5078.                 break;

  5079.             case LV2_UI_QT5:

  5080.                 if (isUiBridgeable(i))

  5081.                     eQt5 = ii;

  5082.                 break;

  5083.             case LV2_UI_GTK2:

  5084.                 if (isUiBridgeable(i))

  5085.                     eGtk2 = ii;

  5086.                 break;

  5087.             case LV2_UI_GTK3:

  5088.                 if (isUiBridgeable(i))

  5089.                     eGtk3 = ii;

  5090.                 break;

  5091.             case LV2_UI_COCOA:

  5092.                 if (isUiBridgeable(i) && preferUiBridges)

  5093.                     eCocoa = ii;

  5094.                 iCocoa = ii;

  5095.                 break;

  5096.             case LV2_UI_WINDOWS:

  5097.                 if (isUiBridgeable(i) && preferUiBridges)

  5098.                     eWindows = ii;

  5099.                 iWindows = ii;

  5100.                 break;

  5101.             case LV2_UI_X11:

  5102.                 if (isUiBridgeable(i) && preferUiBridges)

  5103.                     eX11 = ii;

  5104.                 iX11 = ii;

  5105.                 break;

  5106.             case LV2_UI_EXTERNAL:

  5107.             case LV2_UI_OLD_EXTERNAL:

  5108.                 if (isUiBridgeable(i))

  5109.                     eExt = ii;

  5110.                 iExt = ii;

  5111.                 break;

  5112.             case LV2_UI_MOD:

  5113.                 eMod = ii;

  5114.                 break;

  5115.             default:

  5116.                 break;

  5117.             }

  5118.         }

  5119. 

  5120.         if (eQt4 >= 0)

  5121.             iFinal = eQt4;

  5122.         else if (eQt5 >= 0)

  5123.             iFinal = eQt5;

  5124.         else if (eGtk2 >= 0)

  5125.             iFinal = eGtk2;

  5126.         else if (eGtk3 >= 0)

  5127.             iFinal = eGtk3;

  5128. #ifdef CARLA_OS_MAC

  5129.         else if (eCocoa >= 0)

  5130.             iFinal = eCocoa;

  5131. #endif

  5132. #ifdef CARLA_OS_WIN

  5133.         else if (eWindows >= 0)

  5134.             iFinal = eWindows;

  5135. #endif

  5136. #ifdef HAVE_X11

  5137.         else if (eX11 >= 0)

  5138.             iFinal = eX11;

  5139. #endif

  5140.         //else if (eExt >= 0) // TODO

  5141.         //    iFinal = eExt;

  5142. #ifndef LV2_UIS_ONLY_BRIDGES

  5143. # ifdef CARLA_OS_MAC

  5144.         else if (iCocoa >= 0)

  5145.             iFinal = iCocoa;

  5146. # endif

  5147. # ifdef CARLA_OS_WIN

  5148.         else if (iWindows >= 0)

  5149.             iFinal = iWindows;

  5150. # endif

  5151. # ifdef HAVE_X11

  5152.         else if (iX11 >= 0)

  5153.             iFinal = iX11;

  5154. # endif

  5155. #endif

  5156.         else if (iExt >= 0)

  5157.             iFinal = iExt;

  5158. 

  5159.         if (iFinal < 0)

  5160.         {

  5161.             // no suitable UI found, see if there's one which supports ui:showInterface

  5162.             bool hasShowInterface = false;

  5163. 

  5164.             for (uint32_t i=0; i < fRdfDescriptor->UICount && ! hasShowInterface; ++i)

  5165.             {

  5166.                 LV2_RDF_UI* const ui(&fRdfDescriptor->UIs[i]);

  5167. 

  5168.                 for (uint32_t j=0; j < ui->ExtensionCount; ++j)

  5169.                 {

  5170.                     CARLA_SAFE_ASSERT_CONTINUE(ui->Extensions[j] != nullptr);

  5171. 

  5172.                     if (std::strcmp(ui->Extensions[j], LV2_UI__showInterface) != 0)

  5173.                         continue;

  5174. 

  5175.                     iFinal = static_cast<int>(i);

  5176.                     hasShowInterface = true;

  5177.                     break;

  5178.                 }

  5179.             }

  5180. 

  5181.             if (! hasShowInterface)

  5182.             {

  5183.                 if (eMod < 0)

  5184.                 {

  5185.                     carla_stderr("Failed to find an appropriate LV2 UI for this plugin");

  5186.                     return;

  5187.                 }

  5188. 

  5189.                 // use MODGUI as last resort

  5190.                 iFinal = eMod;

  5191.             }

  5192.         }

  5193. 

  5194.         fUI.rdfDescriptor = &fRdfDescriptor->UIs[iFinal];

  5195. 

  5196.         // ---------------------------------------------------------------

  5197.         // check supported ui features

  5198. 

  5199.         bool canContinue = true;

  5200.         bool canDelete = true;

  5201. 

  5202.         for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i)

  5203.         {

  5204.             const char* const uri(fUI.rdfDescriptor->Features[i].URI);

  5205.             CARLA_SAFE_ASSERT_CONTINUE(uri != nullptr && uri[0] != '\0');

  5206. 

  5207.             if (! is_lv2_ui_feature_supported(uri))

  5208.             {

  5209.                 carla_stderr("Plugin UI requires a feature that is not supported:\n%s", uri);

  5210. 

  5211.                 if (LV2_IS_FEATURE_REQUIRED(fUI.rdfDescriptor->Features[i].Type))

  5212.                 {

  5213.                     canContinue = false;

  5214.                     break;

  5215.                 }

  5216.             }

  5217.             if (std::strcmp(uri, LV2_UI__makeResident) == 0)

  5218.                 canDelete = false;

  5219.         }

  5220. 

  5221.         if (! canContinue)

  5222.         {

  5223.             fUI.rdfDescriptor = nullptr;

  5224.             return;

  5225.         }

  5226. 

  5227.         // ---------------------------------------------------------------

  5228.         // initialize ui according to type

  5229. 

  5230.         const LV2_Property uiType(fUI.rdfDescriptor->Type);

  5231. 

  5232.         if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3 ||

  5233.             iFinal == eCocoa || iFinal == eWindows || iFinal == eX11 || iFinal == eExt || iFinal == eMod)

  5234.         {

  5235.             // -----------------------------------------------------------

  5236.             // initialize ui-bridge

  5237. 

  5238.             if (const char* const bridgeBinary = getUiBridgeBinary(uiType))

  5239.             {

  5240.                 carla_stdout("Will use UI-Bridge, binary: \"%s\"", bridgeBinary);

  5241. 

  5242.                 CarlaString guiTitle(pData->name);

  5243.                 guiTitle += " (GUI)";

  5244.                 fLv2Options.windowTitle = guiTitle.dup();

  5245. 

  5246.                 fUI.type = UI::TYPE_BRIDGE;

  5247.                 fPipeServer.setData(bridgeBinary, fRdfDescriptor->URI, fUI.rdfDescriptor->URI);

  5248. 

  5249.                 delete[] bridgeBinary;

  5250.                 return;

  5251.             }

  5252. 

  5253.             if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3)

  5254.             {

  5255.                 carla_stderr2("Failed to find UI bridge binary, cannot use UI");

  5256.                 fUI.rdfDescriptor = nullptr;

  5257.                 return;

  5258.             }

  5259.         }

  5260. 

  5261. #ifdef LV2_UIS_ONLY_BRIDGES

  5262.         carla_stderr2("Failed to get an UI working, canBridge:%s", bool2str(isUiBridgeable(static_cast<uint32_t>(iFinal))));

  5263.         fUI.rdfDescriptor = nullptr;

  5264.         return;

  5265. #endif

  5266. 

  5267.         // ---------------------------------------------------------------

  5268.         // open UI DLL

  5269. 

  5270.         if (! pData->uiLibOpen(fUI.rdfDescriptor->Binary, canDelete))

  5271.         {

  5272.             carla_stderr2("Could not load UI library, error was:\n%s", pData->libError(fUI.rdfDescriptor->Binary));

  5273.             fUI.rdfDescriptor = nullptr;

  5274.             return;

  5275.         }

  5276. 

  5277.         // ---------------------------------------------------------------

  5278.         // get UI DLL main entry

  5279. 

  5280.         LV2UI_DescriptorFunction uiDescFn = pData->uiLibSymbol<LV2UI_DescriptorFunction>("lv2ui_descriptor");

  5281. 

  5282.         if (uiDescFn == nullptr)

  5283.         {

  5284.             carla_stderr2("Could not find the LV2UI Descriptor in the UI library");

  5285.             pData->uiLibClose();

  5286.             fUI.rdfDescriptor = nullptr;

  5287.             return;

  5288.         }

  5289. 

  5290.         // ---------------------------------------------------------------

  5291.         // get UI descriptor that matches UI URI

  5292. 

  5293.         uint32_t i = 0;

  5294.         while ((fUI.descriptor = uiDescFn(i++)))

  5295.         {

  5296.             if (std::strcmp(fUI.descriptor->URI, fUI.rdfDescriptor->URI) == 0)

  5297.                 break;

  5298.         }

  5299. 

  5300.         if (fUI.descriptor == nullptr)

  5301.         {

  5302.             carla_stderr2("Could not find the requested GUI in the plugin UI library");

  5303.             pData->uiLibClose();

  5304.             fUI.rdfDescriptor = nullptr;

  5305.             return;

  5306.         }

  5307. 

  5308.         // ---------------------------------------------------------------

  5309.         // check if ui is usable

  5310. 

  5311.         switch (uiType)

  5312.         {

  5313.         case LV2_UI_QT4:

  5314.             carla_stdout("Will use LV2 Qt4 UI, NOT!");

  5315.             fUI.type = UI::TYPE_EMBED;

  5316.             break;

  5317.         case LV2_UI_QT5:

  5318.             carla_stdout("Will use LV2 Qt5 UI, NOT!");

  5319.             fUI.type = UI::TYPE_EMBED;

  5320.             break;

  5321.         case LV2_UI_GTK2:

  5322.             carla_stdout("Will use LV2 Gtk2 UI, NOT!");

  5323.             fUI.type = UI::TYPE_EMBED;

  5324.             break;

  5325.         case LV2_UI_GTK3:

  5326.             carla_stdout("Will use LV2 Gtk3 UI, NOT!");

  5327.             fUI.type = UI::TYPE_EMBED;

  5328.             break;

  5329. #ifdef CARLA_OS_MAC

  5330.         case LV2_UI_COCOA:

  5331.             carla_stdout("Will use LV2 Cocoa UI");

  5332.             fUI.type = UI::TYPE_EMBED;

  5333.             break;

  5334. #endif

  5335. #ifdef CARLA_OS_WIN

  5336.         case LV2_UI_WINDOWS:

  5337.             carla_stdout("Will use LV2 Windows UI");

  5338.             fUI.type = UI::TYPE_EMBED;

  5339.             break;

  5340. #endif

  5341.         case LV2_UI_X11:

  5342. #ifdef HAVE_X11

  5343.             carla_stdout("Will use LV2 X11 UI");

  5344. #else

  5345.             carla_stdout("Will use LV2 X11 UI, NOT!");

  5346. #endif

  5347.             fUI.type = UI::TYPE_EMBED;

  5348.             break;

  5349.         case LV2_UI_EXTERNAL:

  5350.         case LV2_UI_OLD_EXTERNAL:

  5351.             carla_stdout("Will use LV2 External UI");

  5352.             fUI.type = UI::TYPE_EXTERNAL;

  5353.             break;

  5354.         }

  5355. 

  5356.         if (fUI.type == UI::TYPE_NULL)

  5357.         {

  5358.             pData->uiLibClose();

  5359.             fUI.descriptor = nullptr;

  5360.             fUI.rdfDescriptor = nullptr;

  5361.             return;

  5362.         }

  5363. 

  5364.         // ---------------------------------------------------------------

  5365.         // initialize ui data

  5366. 

  5367.         CarlaString guiTitle(pData->name);

  5368.         guiTitle += " (GUI)";

  5369.         fLv2Options.windowTitle = guiTitle.dup();

  5370. 

  5371.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size  = (uint32_t)std::strlen(fLv2Options.windowTitle);

  5372.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle;

  5373. 

  5374.         // ---------------------------------------------------------------

  5375.         // initialize ui features (part 1)

  5376. 

  5377.         LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  5378.         uiDataFt->data_access                      = fDescriptor->extension_data;

  5379. 

  5380.         LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  5381.         uiPortMapFt->handle               = this;

  5382.         uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  5383. 

  5384.         LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  5385.         uiResizeFt->handle                = this;

  5386.         uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  5387. 

  5388.         LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  5389.         uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  5390.         uiExternalHostFt->plugin_human_id            = fLv2Options.windowTitle;

  5391. 

  5392.         // ---------------------------------------------------------------

  5393.         // initialize ui features (part 2)

  5394. 

  5395.         for (uint32_t j=kFeatureCountPlugin; j < kFeatureCountAll; ++j)

  5396.             fFeatures[j] = new LV2_Feature;

  5397. 

  5398.         fFeatures[kFeatureIdUiDataAccess]->URI      = LV2_DATA_ACCESS_URI;

  5399.         fFeatures[kFeatureIdUiDataAccess]->data     = uiDataFt;

  5400. 

  5401.         fFeatures[kFeatureIdUiInstanceAccess]->URI  = LV2_INSTANCE_ACCESS_URI;

  5402.         fFeatures[kFeatureIdUiInstanceAccess]->data = fHandle;

  5403. 

  5404.         fFeatures[kFeatureIdUiIdleInterface]->URI  = LV2_UI__idleInterface;

  5405.         fFeatures[kFeatureIdUiIdleInterface]->data = nullptr;

  5406. 

  5407.         fFeatures[kFeatureIdUiFixedSize]->URI      = LV2_UI__fixedSize;

  5408.         fFeatures[kFeatureIdUiFixedSize]->data     = nullptr;

  5409. 

  5410.         fFeatures[kFeatureIdUiMakeResident]->URI   = LV2_UI__makeResident;

  5411.         fFeatures[kFeatureIdUiMakeResident]->data  = nullptr;

  5412. 

  5413.         fFeatures[kFeatureIdUiNoUserResize]->URI   = LV2_UI__noUserResize;

  5414.         fFeatures[kFeatureIdUiNoUserResize]->data  = nullptr;

  5415. 

  5416.         fFeatures[kFeatureIdUiParent]->URI         = LV2_UI__parent;

  5417.         fFeatures[kFeatureIdUiParent]->data        = nullptr;

  5418. 

  5419.         fFeatures[kFeatureIdUiPortMap]->URI        = LV2_UI__portMap;

  5420.         fFeatures[kFeatureIdUiPortMap]->data       = uiPortMapFt;

  5421. 

  5422.         fFeatures[kFeatureIdUiPortSubscribe]->URI  = LV2_UI__portSubscribe;

  5423.         fFeatures[kFeatureIdUiPortSubscribe]->data = nullptr;

  5424. 

  5425.         fFeatures[kFeatureIdUiResize]->URI       = LV2_UI__resize;

  5426.         fFeatures[kFeatureIdUiResize]->data      = uiResizeFt;

  5427. 

  5428.         fFeatures[kFeatureIdUiTouch]->URI        = LV2_UI__touch;

  5429.         fFeatures[kFeatureIdUiTouch]->data       = nullptr;

  5430. 

  5431.         fFeatures[kFeatureIdExternalUi]->URI     = LV2_EXTERNAL_UI__Host;

  5432.         fFeatures[kFeatureIdExternalUi]->data    = uiExternalHostFt;

  5433. 

  5434.         fFeatures[kFeatureIdExternalUiOld]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  5435.         fFeatures[kFeatureIdExternalUiOld]->data = uiExternalHostFt;

  5436. 

  5437.         // ---------------------------------------------------------------

  5438.         // initialize ui extensions

  5439. 

  5440.         if (fUI.descriptor->extension_data == nullptr)

  5441.             return;

  5442. 

  5443.         fExt.uiidle     = (const LV2UI_Idle_Interface*)fUI.descriptor->extension_data(LV2_UI__idleInterface);

  5444.         fExt.uishow     = (const LV2UI_Show_Interface*)fUI.descriptor->extension_data(LV2_UI__showInterface);

  5445.         fExt.uiresize   = (const LV2UI_Resize*)fUI.descriptor->extension_data(LV2_UI__resize);

  5446.         fExt.uiprograms = (const LV2_Programs_UI_Interface*)fUI.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  5447. 

  5448.         // check if invalid

  5449.         if (fExt.uiidle != nullptr && fExt.uiidle->idle == nullptr)

  5450.             fExt.uiidle = nullptr;

  5451. 

  5452.         if (fExt.uishow != nullptr && (fExt.uishow->show == nullptr || fExt.uishow->hide == nullptr))

  5453.             fExt.uishow = nullptr;

  5454. 

  5455.         if (fExt.uiresize != nullptr && fExt.uiresize->ui_resize == nullptr)

  5456.             fExt.uiresize = nullptr;

  5457. 

  5458.         if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program == nullptr)

  5459.             fExt.uiprograms = nullptr;

  5460. 

  5461.         // don't use uiidle if external

  5462.         if (fUI.type == UI::TYPE_EXTERNAL)

  5463.             fExt.uiidle = nullptr;

  5464.     }

  5465. 

  5466.     // -------------------------------------------------------------------

  5467. 

  5468.     void handleTransferAtom(const uint32_t portIndex, const LV2_Atom* const atom)

  5469.     {

  5470.         CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);

  5471.         carla_debug("CarlaPluginLV2::handleTransferAtom(%i, %p)", portIndex, atom);

  5472. 

  5473.         fAtomBufferIn.put(atom, portIndex);

  5474.     }

  5475. 

  5476.     void handleUridMap(const LV2_URID urid, const char* const uri)

  5477.     {

  5478.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL,);

  5479.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0',);

  5480.         carla_debug("CarlaPluginLV2::handleUridMap(%i v " P_SIZE ", \"%s\")", urid, fCustomURIDs.count()-1, uri);

  5481. 

  5482.         if (urid < fCustomURIDs.count())

  5483.         {

  5484.             const char* const ourURI(carla_lv2_urid_unmap(this, urid));

  5485.             CARLA_SAFE_ASSERT_RETURN(ourURI != nullptr,);

  5486. 

  5487.             if (std::strcmp(ourURI, uri) != 0)

  5488.             {

  5489.                 carla_stderr2("PLUGIN :: wrong URI '%s' vs '%s'", ourURI,  uri);

  5490.             }

  5491.         }

  5492.         else

  5493.         {

  5494.             CARLA_SAFE_ASSERT_RETURN(urid == fCustomURIDs.count(),);

  5495.             fCustomURIDs.append(carla_strdup(uri));

  5496.         }

  5497.     }

  5498. 

  5499.     // -------------------------------------------------------------------

  5500. 

  5501. private:

  5502.     LV2_Handle   fHandle;

  5503.     LV2_Handle   fHandle2;

  5504.     LV2_Feature* fFeatures[kFeatureCountAll+1];

  5505.     const LV2_Descriptor*     fDescriptor;

  5506.     const LV2_RDF_Descriptor* fRdfDescriptor;

  5507. 

  5508.     float** fAudioInBuffers;

  5509.     float** fAudioOutBuffers;

  5510.     float** fCvInBuffers;

  5511.     float** fCvOutBuffers;

  5512.     float*  fParamBuffers;

  5513. 

  5514.     bool    fCanInit2; // some plugins don't like 2 instances

  5515.     bool    fNeedsUiClose;

  5516.     bool    fLatencyChanged;

  5517.     int32_t fLatencyIndex; // -1 if invalid

  5518. 

  5519.     Lv2AtomRingBuffer fAtomBufferIn;

  5520.     Lv2AtomRingBuffer fAtomBufferOut;

  5521.     LV2_Atom_Forge    fAtomForge;

  5522. 

  5523.     CarlaPluginLV2EventData fEventsIn;

  5524.     CarlaPluginLV2EventData fEventsOut;

  5525.     CarlaPluginLV2Options   fLv2Options;

  5526.     CarlaPipeServerLV2      fPipeServer;

  5527. 

  5528.     LinkedList<const char*> fCustomURIDs;

  5529. 

  5530.     bool fFirstActive; // first process() call after activate()

  5531.     void* fLastStateChunk;

  5532.     EngineTimeInfo fLastTimeInfo;

  5533. 

  5534.     struct Extensions {

  5535.         const LV2_Options_Interface* options;

  5536.         const LV2_State_Interface* state;

  5537.         const LV2_Worker_Interface* worker;

  5538.         const LV2_Programs_Interface* programs;

  5539.         const LV2UI_Idle_Interface* uiidle;

  5540.         const LV2UI_Show_Interface* uishow;

  5541.         const LV2UI_Resize* uiresize;

  5542.         const LV2_Programs_UI_Interface* uiprograms;

  5543. 

  5544.         Extensions()

  5545.             : options(nullptr),

  5546.               state(nullptr),

  5547.               worker(nullptr),

  5548.               programs(nullptr),

  5549.               uiidle(nullptr),

  5550.               uishow(nullptr),

  5551.               uiresize(nullptr),

  5552.               uiprograms(nullptr) {}

  5553. 

  5554.         CARLA_DECLARE_NON_COPY_STRUCT(Extensions);

  5555.     } fExt;

  5556. 

  5557.     struct UI {

  5558.         enum Type {

  5559.             TYPE_NULL = 0,

  5560.             TYPE_BRIDGE,

  5561.             TYPE_EMBED,

  5562.             TYPE_EXTERNAL

  5563.         };

  5564. 

  5565.         Type type;

  5566.         LV2UI_Handle handle;

  5567.         LV2UI_Widget widget;

  5568.         const LV2UI_Descriptor* descriptor;

  5569.         const LV2_RDF_UI*       rdfDescriptor;

  5570. 

  5571.         CarlaPluginUI* window;

  5572. 

  5573.         UI()

  5574.             : type(TYPE_NULL),

  5575.               handle(nullptr),

  5576.               widget(nullptr),

  5577.               descriptor(nullptr),

  5578.               rdfDescriptor(nullptr),

  5579.               window(nullptr) {}

  5580. 

  5581.         ~UI()

  5582.         {

  5583.             CARLA_ASSERT(handle == nullptr);

  5584.             CARLA_ASSERT(widget == nullptr);

  5585.             CARLA_ASSERT(descriptor == nullptr);

  5586.             CARLA_ASSERT(rdfDescriptor == nullptr);

  5587.             CARLA_ASSERT(window == nullptr);

  5588.         }

  5589. 

  5590.         CARLA_DECLARE_NON_COPY_STRUCT(UI);

  5591.     } fUI;

  5592. 

  5593.     // -------------------------------------------------------------------

  5594.     // Event Feature

  5595. 

  5596.     static uint32_t carla_lv2_event_ref(LV2_Event_Callback_Data callback_data, LV2_Event* event)

  5597.     {

  5598.         CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0);

  5599.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0);

  5600.         carla_debug("carla_lv2_event_ref(%p, %p)", callback_data, event);

  5601. 

  5602.         return 0;

  5603.     }

  5604. 

  5605.     static uint32_t carla_lv2_event_unref(LV2_Event_Callback_Data callback_data, LV2_Event* event)

  5606.     {

  5607.         CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0);

  5608.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0);

  5609.         carla_debug("carla_lv2_event_unref(%p, %p)", callback_data, event);

  5610. 

  5611.         return 0;

  5612.     }

  5613. 

  5614.     // -------------------------------------------------------------------

  5615.     // Logs Feature

  5616. 

  5617.     static int carla_lv2_log_printf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)

  5618.     {

  5619.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0);

  5620.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, 0);

  5621.         CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0);

  5622. 

  5623. #ifndef DEBUG

  5624.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  5625.             return 0;

  5626. #endif

  5627. 

  5628.         va_list args;

  5629.         va_start(args, fmt);

  5630.         const int ret(carla_lv2_log_vprintf(handle, type, fmt, args));

  5631.         va_end(args);

  5632. 

  5633.         return ret;

  5634.     }

  5635. 

  5636.     static int carla_lv2_log_vprintf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, va_list ap)

  5637.     {

  5638.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0);

  5639.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, 0);

  5640.         CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0);

  5641. 

  5642. #ifndef DEBUG

  5643.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  5644.             return 0;

  5645. #endif

  5646. 

  5647.         int ret = 0;

  5648. 

  5649.         switch (type)

  5650.         {

  5651.         case CARLA_URI_MAP_ID_LOG_ERROR:

  5652.             std::fprintf(stderr, "\x1b[31m");

  5653.             ret = std::vfprintf(stderr, fmt, ap);

  5654.             std::fprintf(stderr, "\x1b[0m");

  5655.             break;

  5656. 

  5657.         case CARLA_URI_MAP_ID_LOG_NOTE:

  5658.             ret = std::vfprintf(stdout, fmt, ap);

  5659.             break;

  5660. 

  5661.         case CARLA_URI_MAP_ID_LOG_TRACE:

  5662. #ifdef DEBUG

  5663.             std::fprintf(stdout, "\x1b[30;1m");

  5664.             ret = std::vfprintf(stdout, fmt, ap);

  5665.             std::fprintf(stdout, "\x1b[0m");

  5666. #endif

  5667.             break;

  5668. 

  5669.         case CARLA_URI_MAP_ID_LOG_WARNING:

  5670.             ret = std::vfprintf(stderr, fmt, ap);

  5671.             break;

  5672. 

  5673.         default:

  5674.             break;

  5675.         }

  5676. 

  5677.         return ret;

  5678.     }

  5679. 

  5680.     // -------------------------------------------------------------------

  5681.     // Programs Feature

  5682. 

  5683.     static void carla_lv2_program_changed(LV2_Programs_Handle handle, int32_t index)

  5684.     {

  5685.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  5686.         carla_debug("carla_lv2_program_changed(%p, %i)", handle, index);

  5687. 

  5688.         ((CarlaPluginLV2*)handle)->handleProgramChanged(index);

  5689.     }

  5690. 

  5691.     // -------------------------------------------------------------------

  5692.     // Resize Port Feature

  5693. 

  5694.     static LV2_Resize_Port_Status carla_lv2_resize_port(LV2_Resize_Port_Feature_Data data, uint32_t index, size_t size)

  5695.     {

  5696.         CARLA_SAFE_ASSERT_RETURN(data != nullptr, LV2_RESIZE_PORT_ERR_UNKNOWN);

  5697.         carla_debug("carla_lv2_program_changed(%p, %i, " P_SIZE ")", data, index, size);

  5698. 

  5699.         return ((CarlaPluginLV2*)data)->handleResizePort(index, size);

  5700.     }

  5701. 

  5702.     // -------------------------------------------------------------------

  5703.     // State Feature

  5704. 

  5705.     static char* carla_lv2_state_make_path(LV2_State_Make_Path_Handle handle, const char* path)

  5706.     {

  5707.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5708.         CARLA_SAFE_ASSERT_RETURN(path != nullptr && path[0] != '\0', nullptr);

  5709.         carla_debug("carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  5710. 

  5711.         File file;

  5712. 

  5713.         if (File::isAbsolutePath(path))

  5714.             file = File(path);

  5715.         else

  5716.             file = File::getCurrentWorkingDirectory().getChildFile(path);

  5717. 

  5718.         file.getParentDirectory().createDirectory();

  5719. 

  5720.         return strdup(file.getFullPathName().toRawUTF8());

  5721.     }

  5722. 

  5723.     static char* carla_lv2_state_map_abstract_path(LV2_State_Map_Path_Handle handle, const char* absolute_path)

  5724.     {

  5725.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, strdup(""));

  5726.         CARLA_SAFE_ASSERT_RETURN(absolute_path != nullptr && absolute_path[0] != '\0', strdup(""));

  5727.         carla_debug("carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  5728. 

  5729.         // may already be an abstract path

  5730.         if (! File::isAbsolutePath(absolute_path))

  5731.             return strdup(absolute_path);

  5732. 

  5733.         return strdup(File(absolute_path).getRelativePathFrom(File::getCurrentWorkingDirectory()).toRawUTF8());

  5734.     }

  5735. 

  5736.     static char* carla_lv2_state_map_absolute_path(LV2_State_Map_Path_Handle handle, const char* abstract_path)

  5737.     {

  5738.         const char* const cwd(File::getCurrentWorkingDirectory().getFullPathName().toRawUTF8());

  5739.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, strdup(cwd));

  5740.         CARLA_SAFE_ASSERT_RETURN(abstract_path != nullptr && abstract_path[0] != '\0', strdup(cwd));

  5741.         carla_debug("carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  5742. 

  5743.         // may already be an absolute path

  5744.         if (File::isAbsolutePath(abstract_path))

  5745.             return strdup(abstract_path);

  5746. 

  5747.         return strdup(File::getCurrentWorkingDirectory().getChildFile(abstract_path).getFullPathName().toRawUTF8());

  5748.     }

  5749. 

  5750.     static LV2_State_Status carla_lv2_state_store(LV2_State_Handle handle, uint32_t key, const void* value, size_t size, uint32_t type, uint32_t flags)

  5751.     {

  5752.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_STATE_ERR_UNKNOWN);

  5753.         carla_debug("carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  5754. 

  5755.         return ((CarlaPluginLV2*)handle)->handleStateStore(key, value, size, type, flags);

  5756.     }

  5757. 

  5758.     static const void* carla_lv2_state_retrieve(LV2_State_Handle handle, uint32_t key, size_t* size, uint32_t* type, uint32_t* flags)

  5759.     {

  5760.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5761.         carla_debug("carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  5762. 

  5763.         return ((CarlaPluginLV2*)handle)->handleStateRetrieve(key, size, type, flags);

  5764.     }

  5765. 

  5766.     // -------------------------------------------------------------------

  5767.     // URI-Map Feature

  5768. 

  5769.     static uint32_t carla_lv2_uri_to_id(LV2_URI_Map_Callback_Data data, const char* map, const char* uri)

  5770.     {

  5771.         carla_debug("carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  5772.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  5773. 

  5774.         // unused

  5775.         (void)map;

  5776.     }

  5777. 

  5778.     // -------------------------------------------------------------------

  5779.     // URID Feature

  5780. 

  5781.     static LV2_URID carla_lv2_urid_map(LV2_URID_Map_Handle handle, const char* uri)

  5782.     {

  5783.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, CARLA_URI_MAP_ID_NULL);

  5784.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', CARLA_URI_MAP_ID_NULL);

  5785.         carla_debug("carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  5786. 

  5787.         // Atom types

  5788.         if (std::strcmp(uri, LV2_ATOM__Blank) == 0)

  5789.             return CARLA_URI_MAP_ID_ATOM_BLANK;

  5790.         if (std::strcmp(uri, LV2_ATOM__Bool) == 0)

  5791.             return CARLA_URI_MAP_ID_ATOM_BOOL;

  5792.         if (std::strcmp(uri, LV2_ATOM__Chunk) == 0)

  5793.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  5794.         if (std::strcmp(uri, LV2_ATOM__Double) == 0)

  5795.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  5796.         if (std::strcmp(uri, LV2_ATOM__Event) == 0)

  5797.             return CARLA_URI_MAP_ID_ATOM_EVENT;

  5798.         if (std::strcmp(uri, LV2_ATOM__Float) == 0)

  5799.             return CARLA_URI_MAP_ID_ATOM_FLOAT;

  5800.         if (std::strcmp(uri, LV2_ATOM__Int) == 0)

  5801.             return CARLA_URI_MAP_ID_ATOM_INT;

  5802.         if (std::strcmp(uri, LV2_ATOM__Literal) == 0)

  5803.             return CARLA_URI_MAP_ID_ATOM_LITERAL;

  5804.         if (std::strcmp(uri, LV2_ATOM__Long) == 0)

  5805.             return CARLA_URI_MAP_ID_ATOM_LONG;

  5806.         if (std::strcmp(uri, LV2_ATOM__Number) == 0)

  5807.             return CARLA_URI_MAP_ID_ATOM_NUMBER;

  5808.         if (std::strcmp(uri, LV2_ATOM__Object) == 0)

  5809.             return CARLA_URI_MAP_ID_ATOM_OBJECT;

  5810.         if (std::strcmp(uri, LV2_ATOM__Path) == 0)

  5811.             return CARLA_URI_MAP_ID_ATOM_PATH;

  5812.         if (std::strcmp(uri, LV2_ATOM__Property) == 0)

  5813.             return CARLA_URI_MAP_ID_ATOM_PROPERTY;

  5814.         if (std::strcmp(uri, LV2_ATOM__Resource) == 0)

  5815.             return CARLA_URI_MAP_ID_ATOM_RESOURCE;

  5816.         if (std::strcmp(uri, LV2_ATOM__Sequence) == 0)

  5817.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  5818.         if (std::strcmp(uri, LV2_ATOM__Sound) == 0)

  5819.             return CARLA_URI_MAP_ID_ATOM_SOUND;

  5820.         if (std::strcmp(uri, LV2_ATOM__String) == 0)

  5821.             return CARLA_URI_MAP_ID_ATOM_STRING;

  5822.         if (std::strcmp(uri, LV2_ATOM__Tuple) == 0)

  5823.             return CARLA_URI_MAP_ID_ATOM_TUPLE;

  5824.         if (std::strcmp(uri, LV2_ATOM__URI) == 0)

  5825.             return CARLA_URI_MAP_ID_ATOM_URI;

  5826.         if (std::strcmp(uri, LV2_ATOM__URID) == 0)

  5827.             return CARLA_URI_MAP_ID_ATOM_URID;

  5828.         if (std::strcmp(uri, LV2_ATOM__Vector) == 0)

  5829.             return CARLA_URI_MAP_ID_ATOM_VECTOR;

  5830.         if (std::strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  5831.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  5832.         if (std::strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  5833.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  5834. 

  5835.         // BufSize types

  5836.         if (std::strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  5837.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  5838.         if (std::strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  5839.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  5840.         if (std::strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  5841.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  5842. 

  5843.         // Log types

  5844.         if (std::strcmp(uri, LV2_LOG__Error) == 0)

  5845.             return CARLA_URI_MAP_ID_LOG_ERROR;

  5846.         if (std::strcmp(uri, LV2_LOG__Note) == 0)

  5847.             return CARLA_URI_MAP_ID_LOG_NOTE;

  5848.         if (std::strcmp(uri, LV2_LOG__Trace) == 0)

  5849.             return CARLA_URI_MAP_ID_LOG_TRACE;

  5850.         if (std::strcmp(uri, LV2_LOG__Warning) == 0)

  5851.             return CARLA_URI_MAP_ID_LOG_WARNING;

  5852. 

  5853.         // Time types

  5854.         if (std::strcmp(uri, LV2_TIME__Position) == 0)

  5855.             return CARLA_URI_MAP_ID_TIME_POSITION;

  5856.         if (std::strcmp(uri, LV2_TIME__bar) == 0)

  5857.             return CARLA_URI_MAP_ID_TIME_BAR;

  5858.         if (std::strcmp(uri, LV2_TIME__barBeat) == 0)

  5859.             return CARLA_URI_MAP_ID_TIME_BAR_BEAT;

  5860.         if (std::strcmp(uri, LV2_TIME__beat) == 0)

  5861.             return CARLA_URI_MAP_ID_TIME_BEAT;

  5862.         if (std::strcmp(uri, LV2_TIME__beatUnit) == 0)

  5863.             return CARLA_URI_MAP_ID_TIME_BEAT_UNIT;

  5864.         if (std::strcmp(uri, LV2_TIME__beatsPerBar) == 0)

  5865.             return CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR;

  5866.         if (std::strcmp(uri, LV2_TIME__beatsPerMinute) == 0)

  5867.             return CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE;

  5868.         if (std::strcmp(uri, LV2_TIME__frame) == 0)

  5869.             return CARLA_URI_MAP_ID_TIME_FRAME;

  5870.         if (std::strcmp(uri, LV2_TIME__framesPerSecond) == 0)

  5871.             return CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND;

  5872.         if (std::strcmp(uri, LV2_TIME__speed) == 0)

  5873.             return CARLA_URI_MAP_ID_TIME_SPEED;

  5874.         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat) == 0)

  5875.             return CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT;

  5876. 

  5877.         // Others

  5878.         if (std::strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  5879.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  5880.         if (std::strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  5881.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  5882.         if (std::strcmp(uri, LV2_UI__windowTitle) == 0)

  5883.             return CARLA_URI_MAP_ID_UI_WINDOW_TITLE;

  5884. 

  5885.         // Custom

  5886.         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TransientWindowId) == 0)

  5887.             return CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID;

  5888.         if (std::strcmp(uri, URI_CARLA_ATOM_WORKER) == 0)

  5889.             return CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  5890. 

  5891.         // Custom types

  5892.         return ((CarlaPluginLV2*)handle)->getCustomURID(uri);

  5893.     }

  5894. 

  5895.     static const char* carla_lv2_urid_unmap(LV2_URID_Map_Handle handle, LV2_URID urid)

  5896.     {

  5897.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5898.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL, nullptr);

  5899.         carla_debug("carla_lv2_urid_unmap(%p, %i)", handle, urid);

  5900. 

  5901.         // Atom types

  5902.         if (urid == CARLA_URI_MAP_ID_ATOM_BLANK)

  5903.             return LV2_ATOM__Blank;

  5904.         if (urid == CARLA_URI_MAP_ID_ATOM_BOOL)

  5905.             return LV2_ATOM__Bool;

  5906.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  5907.             return LV2_ATOM__Chunk;

  5908.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  5909.             return LV2_ATOM__Double;

  5910.         if (urid == CARLA_URI_MAP_ID_ATOM_EVENT)

  5911.             return LV2_ATOM__Event;

  5912.         if (urid == CARLA_URI_MAP_ID_ATOM_FLOAT)

  5913.             return LV2_ATOM__Float;

  5914.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  5915.             return LV2_ATOM__Int;

  5916.         if (urid == CARLA_URI_MAP_ID_ATOM_LITERAL)

  5917.             return LV2_ATOM__Literal;

  5918.         if (urid == CARLA_URI_MAP_ID_ATOM_LONG)

  5919.             return LV2_ATOM__Long;

  5920.         if (urid == CARLA_URI_MAP_ID_ATOM_NUMBER)

  5921.             return LV2_ATOM__Number;

  5922.         if (urid == CARLA_URI_MAP_ID_ATOM_OBJECT)

  5923.             return LV2_ATOM__Object;

  5924.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  5925.             return LV2_ATOM__Path;

  5926.         if (urid == CARLA_URI_MAP_ID_ATOM_PROPERTY)

  5927.             return LV2_ATOM__Property;

  5928.         if (urid == CARLA_URI_MAP_ID_ATOM_RESOURCE)

  5929.             return LV2_ATOM__Resource;

  5930.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  5931.             return LV2_ATOM__Sequence;

  5932.         if (urid == CARLA_URI_MAP_ID_ATOM_SOUND)

  5933.             return LV2_ATOM__Sound;

  5934.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  5935.             return LV2_ATOM__String;

  5936.         if (urid == CARLA_URI_MAP_ID_ATOM_TUPLE)

  5937.             return LV2_ATOM__Tuple;

  5938.         if (urid == CARLA_URI_MAP_ID_ATOM_URI)

  5939.             return LV2_ATOM__URI;

  5940.         if (urid == CARLA_URI_MAP_ID_ATOM_URID)

  5941.             return LV2_ATOM__URID;

  5942.         if (urid == CARLA_URI_MAP_ID_ATOM_VECTOR)

  5943.             return LV2_ATOM__Vector;

  5944.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  5945.             return LV2_ATOM__atomTransfer;

  5946.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  5947.             return LV2_ATOM__eventTransfer;

  5948. 

  5949.         // BufSize types

  5950.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  5951.             return LV2_BUF_SIZE__maxBlockLength;

  5952.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  5953.             return LV2_BUF_SIZE__minBlockLength;

  5954.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  5955.             return LV2_BUF_SIZE__sequenceSize;

  5956. 

  5957.         // Log types

  5958.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  5959.             return LV2_LOG__Error;

  5960.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  5961.             return LV2_LOG__Note;

  5962.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  5963.             return LV2_LOG__Trace;

  5964.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  5965.             return LV2_LOG__Warning;

  5966. 

  5967.         // Time types

  5968.         if (urid == CARLA_URI_MAP_ID_TIME_POSITION)

  5969.             return LV2_TIME__Position;

  5970.         if (urid == CARLA_URI_MAP_ID_TIME_BAR)

  5971.             return LV2_TIME__bar;

  5972.         if (urid == CARLA_URI_MAP_ID_TIME_BAR_BEAT)

  5973.             return LV2_TIME__barBeat;

  5974.         if (urid == CARLA_URI_MAP_ID_TIME_BEAT)

  5975.             return LV2_TIME__beat;

  5976.         if (urid == CARLA_URI_MAP_ID_TIME_BEAT_UNIT)

  5977.             return LV2_TIME__beatUnit;

  5978.         if (urid == CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR)

  5979.             return LV2_TIME__beatsPerBar;

  5980.         if (urid == CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE)

  5981.             return LV2_TIME__beatsPerMinute;

  5982.         if (urid == CARLA_URI_MAP_ID_TIME_FRAME)

  5983.             return LV2_TIME__frame;

  5984.         if (urid == CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND)

  5985.             return LV2_TIME__framesPerSecond;

  5986.         if (urid == CARLA_URI_MAP_ID_TIME_SPEED)

  5987.             return LV2_TIME__speed;

  5988.         if (urid == CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT)

  5989.             return LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat;

  5990. 

  5991.         // Others

  5992.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  5993.             return LV2_MIDI__MidiEvent;

  5994.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  5995.             return LV2_PARAMETERS__sampleRate;

  5996.         if (urid == CARLA_URI_MAP_ID_UI_WINDOW_TITLE)

  5997.             return LV2_UI__windowTitle;

  5998. 

  5999.         // Custom

  6000.         if (urid == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  6001.             return URI_CARLA_ATOM_WORKER;

  6002.         if (urid == CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID)

  6003.             return LV2_KXSTUDIO_PROPERTIES__TransientWindowId;

  6004. 

  6005.         // Custom types

  6006.         return ((CarlaPluginLV2*)handle)->getCustomURIDString(urid);

  6007.     }

  6008. 

  6009.     // -------------------------------------------------------------------

  6010.     // Worker Feature

  6011. 

  6012.     static LV2_Worker_Status carla_lv2_worker_schedule(LV2_Worker_Schedule_Handle handle, uint32_t size, const void* data)

  6013.     {

  6014.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN);

  6015.         carla_debug("carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  6016. 

  6017.         return ((CarlaPluginLV2*)handle)->handleWorkerSchedule(size, data);

  6018.     }

  6019. 

  6020.     static LV2_Worker_Status carla_lv2_worker_respond(LV2_Worker_Respond_Handle handle, uint32_t size, const void* data)

  6021.     {

  6022.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN);

  6023.         carla_debug("carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  6024. 

  6025.         return ((CarlaPluginLV2*)handle)->handleWorkerRespond(size, data);

  6026.     }

  6027. 

  6028.     // -------------------------------------------------------------------

  6029.     // External UI Feature

  6030. 

  6031.     static void carla_lv2_external_ui_closed(LV2UI_Controller controller)

  6032.     {

  6033.         CARLA_SAFE_ASSERT_RETURN(controller != nullptr,);

  6034.         carla_debug("carla_lv2_external_ui_closed(%p)", controller);

  6035. 

  6036.         ((CarlaPluginLV2*)controller)->handleExternalUIClosed();

  6037.     }

  6038. 

  6039.     // -------------------------------------------------------------------

  6040.     // UI Port-Map Feature

  6041. 

  6042.     static uint32_t carla_lv2_ui_port_map(LV2UI_Feature_Handle handle, const char* symbol)

  6043.     {

  6044.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2UI_INVALID_PORT_INDEX);

  6045.         carla_debug("carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  6046. 

  6047.         return ((CarlaPluginLV2*)handle)->handleUIPortMap(symbol);

  6048.     }

  6049. 

  6050.     // -------------------------------------------------------------------

  6051.     // UI Resize Feature

  6052. 

  6053.     static int carla_lv2_ui_resize(LV2UI_Feature_Handle handle, int width, int height)

  6054.     {

  6055.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 1);

  6056.         carla_debug("carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  6057. 

  6058.         return ((CarlaPluginLV2*)handle)->handleUIResize(width, height);

  6059.     }

  6060. 

  6061.     // -------------------------------------------------------------------

  6062.     // UI Extension

  6063. 

  6064.     static void carla_lv2_ui_write_function(LV2UI_Controller controller, uint32_t port_index, uint32_t buffer_size, uint32_t format, const void* buffer)

  6065.     {

  6066.         CARLA_SAFE_ASSERT_RETURN(controller != nullptr,);

  6067.         carla_debug("carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  6068. 

  6069.         ((CarlaPluginLV2*)controller)->handleUIWrite(port_index, buffer_size, format, buffer);

  6070.     }

  6071. 

  6072.     // -------------------------------------------------------------------

  6073.     // Lilv State

  6074. 

  6075.     static void carla_lilv_set_port_value(const char* port_symbol, void* user_data, const void* value, uint32_t size, uint32_t type)

  6076.     {

  6077.         CARLA_SAFE_ASSERT_RETURN(user_data != nullptr,);

  6078.         carla_debug("carla_lilv_set_port_value(\"%s\", %p, %p, %i, %i", port_symbol, user_data, value, size, type);

  6079. 

  6080.         ((CarlaPluginLV2*)user_data)->handleLilvSetPortValue(port_symbol, value, size, type);

  6081.     }

  6082. 

  6083.     // -------------------------------------------------------------------

  6084. 

  6085.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLV2)

  6086. };

  6087. 

  6088. // -------------------------------------------------------------------------------------------------------------------

  6089. 

  6090. bool CarlaPipeServerLV2::msgReceived(const char* const msg) noexcept

  6091. {

  6092.     if (std::strcmp(msg, "exiting") == 0)

  6093.     {

  6094.         closePipeServer();

  6095.         fUiState = UiHide;

  6096.         return true;

  6097.     }

  6098. 

  6099.     if (std::strcmp(msg, "control") == 0)

  6100.     {

  6101.         uint32_t index;

  6102.         float value;

  6103. 

  6104.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6105.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  6106. 

  6107.         try {

  6108.             kPlugin->handleUIWrite(index, sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  6109.         } CARLA_SAFE_EXCEPTION("magReceived control");

  6110. 

  6111.         return true;

  6112.     }

  6113. 

  6114.     if (std::strcmp(msg, "atom") == 0)

  6115.     {

  6116.         uint32_t index, size;

  6117.         const char* base64atom;

  6118. 

  6119.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6120.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(size), true);

  6121.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(base64atom), true);

  6122. 

  6123.         std::vector<uint8_t> chunk(carla_getChunkFromBase64String(base64atom));

  6124.         delete[] base64atom;

  6125.         CARLA_SAFE_ASSERT_RETURN(chunk.size() >= sizeof(LV2_Atom), true);

  6126. 

  6127.         const LV2_Atom* const atom((const LV2_Atom*)chunk.data());

  6128.         CARLA_SAFE_ASSERT_RETURN(lv2_atom_total_size(atom) == chunk.size(), true);

  6129. 

  6130.         try {

  6131.             kPlugin->handleUIWrite(index, lv2_atom_total_size(atom), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  6132.         } CARLA_SAFE_EXCEPTION("magReceived atom");

  6133. 

  6134.         return true;

  6135.     }

  6136. 

  6137.     if (std::strcmp(msg, "program") == 0)

  6138.     {

  6139.         uint32_t index;

  6140. 

  6141.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6142. 

  6143.         try {

  6144.             kPlugin->setMidiProgram(static_cast<int32_t>(index), false, true, true);

  6145.         } CARLA_SAFE_EXCEPTION("msgReceived program");

  6146. 

  6147.         return true;

  6148.     }

  6149. 

  6150.     if (std::strcmp(msg, "urid") == 0)

  6151.     {

  6152.         uint32_t urid;

  6153.         const char* uri;

  6154. 

  6155.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(urid), true);

  6156.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(uri), true);

  6157. 

  6158.         if (urid != 0)

  6159.         {

  6160.             try {

  6161.                 kPlugin->handleUridMap(urid, uri);

  6162.             } CARLA_SAFE_EXCEPTION("msgReceived urid");

  6163.         }

  6164. 

  6165.         delete[] uri;

  6166.         return true;

  6167.     }

  6168. 

  6169.     return false;

  6170. }

  6171. 

  6172. // -------------------------------------------------------------------------------------------------------------------

  6173. 

  6174. CarlaPlugin* CarlaPlugin::newLV2(const Initializer& init)

  6175. {

  6176.     carla_debug("CarlaPlugin::newLV2({%p, \"%s\", \"%s\", " P_INT64 "})", init.engine, init.name, init.label, init.uniqueId);

  6177. 

  6178.     CarlaPluginLV2* const plugin(new CarlaPluginLV2(init.engine, init.id));

  6179. 

  6180.     if (! plugin->init(init.name, init.label))

  6181.     {

  6182.         delete plugin;

  6183.         return nullptr;

  6184.     }

  6185. 

  6186.     return plugin;

  6187. }

  6188. 

  6189. // -------------------------------------------------------------------------------------------------------------------

  6190. 

  6191. CARLA_BACKEND_END_NAMESPACE