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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. 

  35. extern "C" {

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

  37. }

  38. 

  39. #include "juce_core.h"

  40. 

  41. using juce::File;

  42. 

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

  44. 

  45. CARLA_BACKEND_START_NAMESPACE

  46. 

  47. // -----------------------------------------------------

  48. 

  49. // Maximum default buffer size

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

  51. 

  52. // Extra Plugin Hints

  53. const uint PLUGIN_HAS_EXTENSION_OPTIONS  = 0x1000;

  54. const uint PLUGIN_HAS_EXTENSION_PROGRAMS = 0x2000;

  55. const uint PLUGIN_HAS_EXTENSION_STATE    = 0x4000;

  56. const uint PLUGIN_HAS_EXTENSION_WORKER   = 0x8000;

  57. 

  58. // Extra Parameter Hints

  59. const uint PARAMETER_IS_STRICT_BOUNDS = 0x1000;

  60. const uint PARAMETER_IS_TRIGGER       = 0x2000;

  61. 

  62. // LV2 Event Data/Types

  63. const uint CARLA_EVENT_DATA_ATOM    = 0x01;

  64. const uint CARLA_EVENT_DATA_EVENT   = 0x02;

  65. const uint CARLA_EVENT_DATA_MIDI_LL = 0x04;

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

  67. const uint CARLA_EVENT_TYPE_MIDI    = 0x20;

  68. const uint CARLA_EVENT_TYPE_TIME    = 0x40;

  69. 

  70. // LV2 URI Map Ids

  71. const uint32_t CARLA_URI_MAP_ID_NULL                   =  0;

  72. const uint32_t CARLA_URI_MAP_ID_ATOM_BLANK             =  1;

  73. const uint32_t CARLA_URI_MAP_ID_ATOM_BOOL              =  2;

  74. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK             =  3;

  75. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE            =  4;

  76. const uint32_t CARLA_URI_MAP_ID_ATOM_EVENT             =  5;

  77. const uint32_t CARLA_URI_MAP_ID_ATOM_FLOAT             =  6;

  78. const uint32_t CARLA_URI_MAP_ID_ATOM_INT               =  7;

  79. const uint32_t CARLA_URI_MAP_ID_ATOM_LITERAL           =  8;

  80. const uint32_t CARLA_URI_MAP_ID_ATOM_LONG              =  9;

  81. const uint32_t CARLA_URI_MAP_ID_ATOM_NUMBER            = 10;

  82. const uint32_t CARLA_URI_MAP_ID_ATOM_OBJECT            = 11;

  83. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH              = 12;

  84. const uint32_t CARLA_URI_MAP_ID_ATOM_PROPERTY          = 13;

  85. const uint32_t CARLA_URI_MAP_ID_ATOM_RESOURCE          = 14;

  86. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE          = 15;

  87. const uint32_t CARLA_URI_MAP_ID_ATOM_SOUND             = 16;

  88. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING            = 17;

  89. const uint32_t CARLA_URI_MAP_ID_ATOM_TUPLE             = 18;

  90. const uint32_t CARLA_URI_MAP_ID_ATOM_URI               = 19;

  91. const uint32_t CARLA_URI_MAP_ID_ATOM_URID              = 20;

  92. const uint32_t CARLA_URI_MAP_ID_ATOM_VECTOR            = 21;

  93. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM     = 22;

  94. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT    = 23;

  95. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH         = 24;

  96. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH         = 25;

  97. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE      = 26;

  98. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR              = 27;

  99. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE               = 28;

  100. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE              = 29;

  101. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING            = 30;

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

  103. const uint32_t CARLA_URI_MAP_ID_TIME_BAR               = 32; // values

  104. const uint32_t CARLA_URI_MAP_ID_TIME_BAR_BEAT          = 33;

  105. const uint32_t CARLA_URI_MAP_ID_TIME_BEAT              = 34;

  106. const uint32_t CARLA_URI_MAP_ID_TIME_BEAT_UNIT         = 35;

  107. const uint32_t CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR     = 36;

  108. const uint32_t CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE  = 37;

  109. const uint32_t CARLA_URI_MAP_ID_TIME_FRAME             = 38;

  110. const uint32_t CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND = 39;

  111. const uint32_t CARLA_URI_MAP_ID_TIME_SPEED             = 40;

  112. const uint32_t CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT    = 41;

  113. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT             = 42;

  114. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE      = 43;

  115. const uint32_t CARLA_URI_MAP_ID_UI_WINDOW_TITLE        = 44;

  116. const uint32_t CARLA_URI_MAP_ID_CARLA_ATOM_WORKER      = 45;

  117. const uint32_t CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID = 46;

  118. const uint32_t CARLA_URI_MAP_ID_COUNT                  = 47;

  119. 

  120. // LV2 Feature Ids

  121. const uint32_t kFeatureIdBufSizeBounded   =  0;

  122. const uint32_t kFeatureIdBufSizeFixed     =  1;

  123. const uint32_t kFeatureIdBufSizePowerOf2  =  2;

  124. const uint32_t kFeatureIdEvent            =  3;

  125. const uint32_t kFeatureIdHardRtCapable    =  4;

  126. const uint32_t kFeatureIdInPlaceBroken    =  5;

  127. const uint32_t kFeatureIdIsLive           =  6;

  128. const uint32_t kFeatureIdLogs             =  7;

  129. const uint32_t kFeatureIdOptions          =  8;

  130. const uint32_t kFeatureIdPrograms         =  9;

  131. const uint32_t kFeatureIdResizePort       = 10;

  132. const uint32_t kFeatureIdRtMemPool        = 11;

  133. const uint32_t kFeatureIdRtMemPoolOld     = 12;

  134. const uint32_t kFeatureIdStateMakePath    = 13;

  135. const uint32_t kFeatureIdStateMapPath     = 14;

  136. const uint32_t kFeatureIdStrictBounds     = 15;

  137. const uint32_t kFeatureIdUriMap           = 16;

  138. const uint32_t kFeatureIdUridMap          = 17;

  139. const uint32_t kFeatureIdUridUnmap        = 18;

  140. const uint32_t kFeatureIdWorker           = 19;

  141. const uint32_t kFeatureCountPlugin        = 20;

  142. const uint32_t kFeatureIdUiDataAccess     = 20;

  143. const uint32_t kFeatureIdUiInstanceAccess = 21;

  144. const uint32_t kFeatureIdUiIdleInterface  = 22;

  145. const uint32_t kFeatureIdUiFixedSize      = 23;

  146. const uint32_t kFeatureIdUiMakeResident   = 24;

  147. const uint32_t kFeatureIdUiNoUserResize   = 25;

  148. const uint32_t kFeatureIdUiParent         = 26;

  149. const uint32_t kFeatureIdUiPortMap        = 27;

  150. const uint32_t kFeatureIdUiPortSubscribe  = 28;

  151. const uint32_t kFeatureIdUiResize         = 29;

  152. const uint32_t kFeatureIdUiTouch          = 30;

  153. const uint32_t kFeatureIdExternalUi       = 31;

  154. const uint32_t kFeatureIdExternalUiOld    = 32;

  155. const uint32_t kFeatureCountAll           = 33;

  156. 

  157. // -----------------------------------------------------

  158. 

  159. struct Lv2EventData {

  160.     uint32_t type;

  161.     uint32_t rindex;

  162.     CarlaEngineEventPort* port;

  163. 

  164.     union {

  165.         LV2_Atom_Buffer* atom;

  166.         LV2_Event_Buffer* event;

  167.         LV2_MIDI midi;

  168.     };

  169. 

  170.     Lv2EventData() noexcept

  171.         : type(0x0),

  172.           rindex(0),

  173.           port(nullptr) {}

  174. 

  175.     ~Lv2EventData() noexcept

  176.     {

  177.         if (port != nullptr)

  178.         {

  179.             delete port;

  180.             port = nullptr;

  181.         }

  182. 

  183.         const uint32_t rtype(type);

  184.         type = 0x0;

  185. 

  186.         if (rtype & CARLA_EVENT_DATA_ATOM)

  187.         {

  188.             CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);

  189. 

  190.             std::free(atom);

  191.             atom = nullptr;

  192.         }

  193.         else if (rtype & CARLA_EVENT_DATA_EVENT)

  194.         {

  195.             CARLA_SAFE_ASSERT_RETURN(event != nullptr,);

  196. 

  197.             std::free(event);

  198.             event = nullptr;

  199.         }

  200.         else if (rtype & CARLA_EVENT_DATA_MIDI_LL)

  201.         {

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

  203. 

  204.             delete[] midi.data;

  205.             midi.data = nullptr;

  206.         }

  207.     }

  208. 

  209.     CARLA_DECLARE_NON_COPY_STRUCT(Lv2EventData)

  210. };

  211. 

  212. struct CarlaPluginLV2EventData {

  213.     uint32_t count;

  214.     Lv2EventData* data;

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

  216.     uint32_t ctrlIndex;

  217. 

  218.     CarlaPluginLV2EventData() noexcept

  219.         : count(0),

  220.           data(nullptr),

  221.           ctrl(nullptr),

  222.           ctrlIndex(0) {}

  223. 

  224.     ~CarlaPluginLV2EventData() noexcept

  225.     {

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

  227.         CARLA_SAFE_ASSERT(data == nullptr);

  228.         CARLA_SAFE_ASSERT(ctrl == nullptr);

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

  230.     }

  231. 

  232.     void createNew(const uint32_t newCount)

  233.     {

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

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

  236.         CARLA_SAFE_ASSERT_RETURN(data == nullptr,);

  237.         CARLA_SAFE_ASSERT_RETURN(ctrl == nullptr,);

  238.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  239. 

  240.         data  = new Lv2EventData[newCount];

  241.         count = newCount;

  242. 

  243.         ctrl      = nullptr;

  244.         ctrlIndex = 0;

  245.     }

  246. 

  247.     void clear() noexcept

  248.     {

  249.         if (data != nullptr)

  250.         {

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

  252.             {

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

  254.                     data[i].port = nullptr;

  255.             }

  256. 

  257.             delete[] data;

  258.             data = nullptr;

  259.         }

  260. 

  261.         count = 0;

  262. 

  263.         ctrl      = nullptr;

  264.         ctrlIndex = 0;

  265.     }

  266. 

  267.     void initBuffers() const noexcept

  268.     {

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

  270.         {

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

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

  273.         }

  274.     }

  275. 

  276.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2EventData)

  277. };

  278. 

  279. // -----------------------------------------------------

  280. 

  281. struct CarlaPluginLV2Options {

  282.     enum OptIndex {

  283.         MaxBlockLenth = 0,

  284.         MinBlockLenth,

  285.         SequenceSize,

  286.         SampleRate,

  287.         FrontendWinId,

  288.         WindowTitle,

  289.         Null,

  290.         Count

  291.     };

  292. 

  293.     int maxBufferSize;

  294.     int minBufferSize;

  295.     int sequenceSize;

  296.     double sampleRate;

  297.     int64_t frontendWinId;

  298.     const char* windowTitle;

  299.     LV2_Options_Option opts[Count];

  300. 

  301.     CarlaPluginLV2Options() noexcept

  302.         : maxBufferSize(0),

  303.           minBufferSize(0),

  304.           sequenceSize(MAX_DEFAULT_BUFFER_SIZE),

  305.           sampleRate(0.0),

  306.           frontendWinId(0),

  307.           windowTitle(nullptr)

  308.     {

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

  310.         optMaxBlockLenth.context = LV2_OPTIONS_INSTANCE;

  311.         optMaxBlockLenth.subject = 0;

  312.         optMaxBlockLenth.key     = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  313.         optMaxBlockLenth.size    = sizeof(int);

  314.         optMaxBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  315.         optMaxBlockLenth.value   = &maxBufferSize;

  316. 

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

  318.         optMinBlockLenth.context = LV2_OPTIONS_INSTANCE;

  319.         optMinBlockLenth.subject = 0;

  320.         optMinBlockLenth.key     = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  321.         optMinBlockLenth.size    = sizeof(int);

  322.         optMinBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  323.         optMinBlockLenth.value   = &minBufferSize;

  324. 

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

  326.         optSequenceSize.context = LV2_OPTIONS_INSTANCE;

  327.         optSequenceSize.subject = 0;

  328.         optSequenceSize.key     = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  329.         optSequenceSize.size    = sizeof(int);

  330.         optSequenceSize.type    = CARLA_URI_MAP_ID_ATOM_INT;

  331.         optSequenceSize.value   = &sequenceSize;

  332. 

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

  334.         optSampleRate.context = LV2_OPTIONS_INSTANCE;

  335.         optSampleRate.subject = 0;

  336.         optSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  337.         optSampleRate.size    = sizeof(double);

  338.         optSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

  339.         optSampleRate.value   = &sampleRate;

  340. 

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

  342.         optFrontendWinId.context = LV2_OPTIONS_INSTANCE;

  343.         optFrontendWinId.subject = 0;

  344.         optFrontendWinId.key     = CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID;

  345.         optFrontendWinId.size    = sizeof(int64_t);

  346.         optFrontendWinId.type    = CARLA_URI_MAP_ID_ATOM_LONG;

  347.         optFrontendWinId.value   = &frontendWinId;

  348. 

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

  350.         optWindowTitle.context = LV2_OPTIONS_INSTANCE;

  351.         optWindowTitle.subject = 0;

  352.         optWindowTitle.key     = CARLA_URI_MAP_ID_UI_WINDOW_TITLE;

  353.         optWindowTitle.size    = 0;

  354.         optWindowTitle.type    = CARLA_URI_MAP_ID_ATOM_STRING;

  355.         optWindowTitle.value   = nullptr;

  356. 

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

  358.         optNull.context = LV2_OPTIONS_INSTANCE;

  359.         optNull.subject = 0;

  360.         optNull.key     = CARLA_URI_MAP_ID_NULL;

  361.         optNull.size    = 0;

  362.         optNull.type    = CARLA_URI_MAP_ID_NULL;

  363.         optNull.value   = nullptr;

  364.     }

  365. 

  366.     ~CarlaPluginLV2Options() noexcept

  367.     {

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

  369. 

  370.         optWindowTitle.size  = 0;

  371.         optWindowTitle.value = nullptr;

  372. 

  373.         if (windowTitle != nullptr)

  374.         {

  375.             delete[] windowTitle;

  376.             windowTitle = nullptr;

  377.         }

  378.     }

  379. 

  380.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2Options);

  381. };

  382. 

  383. // -----------------------------------------------------------------------

  384. 

  385. class CarlaPluginLV2;

  386. 

  387. class CarlaPipeServerLV2 : public CarlaPipeServer

  388. {

  389. public:

  390.     enum UiState {

  391.         UiNone = 0,

  392.         UiHide,

  393.         UiShow,

  394.         UiCrashed

  395.     };

  396. 

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

  398.         : kEngine(engine),

  399.           kPlugin(plugin),

  400.           fFilename(),

  401.           fPluginURI(),

  402.           fUiURI(),

  403.           fUiState(UiNone),

  404.           leakDetector_CarlaPipeServerLV2() {}

  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.           fLatencyChanged(false),

  511.           fLatencyIndex(-1),

  512.           fAtomBufferIn(),

  513.           fAtomBufferOut(),

  514.           fAtomForge(),

  515.           fEventsIn(),

  516.           fEventsOut(),

  517.           fLv2Options(),

  518.           fPipeServer(engine, this),

  519.           fCustomURIDs(),

  520.           fFirstActive(true),

  521.           fLastStateChunk(nullptr),

  522.           fLastTimeInfo(),

  523.           fExt(),

  524.           fUI(),

  525.           leakDetector_CarlaPluginLV2()

  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.begin(); 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.         // we should only call state restore once

  1138.         // so inject this in CarlaPlugin::loadSaveState

  1139.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) == 0 && std::strcmp(key, "CarlaLoadLv2StateNow") == 0 && std::strcmp(value, "true") == 0)

  1140.         {

  1141.             if (fExt.state == nullptr)

  1142.                 return;

  1143. 

  1144.             LV2_State_Status status = LV2_STATE_ERR_UNKNOWN;

  1145. 

  1146.             {

  1147.                 const ScopedSingleProcessLocker spl(this, true);

  1148. 

  1149.                 try {

  1150.                     status = fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures);

  1151.                 } catch(...) {}

  1152. 

  1153.                 if (fHandle2 != nullptr)

  1154.                 {

  1155.                     try {

  1156.                         fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures);

  1157.                     } catch(...) {}

  1158.                 }

  1159.             }

  1160. 

  1161.             switch (status)

  1162.             {

  1163.             case LV2_STATE_SUCCESS:

  1164.                 carla_debug("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - success", type, key, bool2str(sendGui));

  1165.                 break;

  1166.             case LV2_STATE_ERR_UNKNOWN:

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

  1168.                 break;

  1169.             case LV2_STATE_ERR_BAD_TYPE:

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

  1171.                 break;

  1172.             case LV2_STATE_ERR_BAD_FLAGS:

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

  1174.                 break;

  1175.             case LV2_STATE_ERR_NO_FEATURE:

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

  1177.                 break;

  1178.             case LV2_STATE_ERR_NO_PROPERTY:

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

  1180.                 break;

  1181.             }

  1182.             return;

  1183.         }

  1184. 

  1185.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  1186.     }

  1187. 

  1188.     void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1189.     {

  1190.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1191.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->prog.count),);

  1192. 

  1193.         if (index >= 0 && index < static_cast<int32_t>(fRdfDescriptor->PresetCount))

  1194.         {

  1195.             if (LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fRdfDescriptor->Presets[index].URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data))

  1196.             {

  1197.                 const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  1198. 

  1199.                 lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures);

  1200. 

  1201.                 if (fHandle2 != nullptr)

  1202.                     lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures);

  1203. 

  1204.                 lilv_state_free(state);

  1205.             }

  1206.         }

  1207. 

  1208.         CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback);

  1209.     }

  1210. 

  1211.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1212.     {

  1213.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1214.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  1215. 

  1216.         if (index >= 0 && fExt.programs != nullptr && fExt.programs->select_program != nullptr)

  1217.         {

  1218.             const uint32_t bank(pData->midiprog.data[index].bank);

  1219.             const uint32_t program(pData->midiprog.data[index].program);

  1220. 

  1221.             const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  1222. 

  1223.             try {

  1224.                 fExt.programs->select_program(fHandle, bank, program);

  1225.             } catch(...) {}

  1226. 

  1227.             if (fHandle2 != nullptr)

  1228.             {

  1229.                 try {

  1230.                     fExt.programs->select_program(fHandle2, bank, program);

  1231.                 } catch(...) {}

  1232.             }

  1233.         }

  1234. 

  1235.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  1236.     }

  1237. 

  1238.     // -------------------------------------------------------------------

  1239.     // Set ui stuff

  1240. 

  1241.     void showCustomUI(const bool yesNo) override

  1242.     {

  1243.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  1244. 

  1245.         const uintptr_t frontendWinId(pData->engine->getOptions().frontendWinId);

  1246. 

  1247.         if (! yesNo)

  1248.             pData->transientTryCounter = 0;

  1249. 

  1250.         if (fUI.type == UI::TYPE_BRIDGE)

  1251.         {

  1252.             if (yesNo)

  1253.             {

  1254.                 if (fPipeServer.isPipeRunning())

  1255.                 {

  1256.                     fPipeServer.writeFocusMessage();

  1257.                     return;

  1258.                 }

  1259. 

  1260.                 if (! fPipeServer.startPipeServer())

  1261.                 {

  1262.                     pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1263.                     return;

  1264.                 }

  1265. 

  1266.                 for (std::size_t i=CARLA_URI_MAP_ID_COUNT, count=fCustomURIDs.count(); i < count; ++i)

  1267.                     fPipeServer.writeLv2UridMessage(static_cast<uint32_t>(i), fCustomURIDs.getAt(i, nullptr));

  1268. 

  1269.                 fPipeServer.writeUiOptionsMessage(pData->engine->getSampleRate(), true, true, fLv2Options.windowTitle, frontendWinId);

  1270. 

  1271.                 fPipeServer.writeShowMessage();

  1272. #ifndef BUILD_BRIDGE

  1273.                 if (fUI.rdfDescriptor->Type == LV2_UI_MOD)

  1274.                     pData->tryTransient();

  1275. #endif

  1276.             }

  1277.             else

  1278.             {

  1279.                 fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout);

  1280.             }

  1281.             return;

  1282.         }

  1283. 

  1284.         // take some precautions

  1285.         CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,);

  1286.         CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr,);

  1287. 

  1288.         if (yesNo)

  1289.         {

  1290.             CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->instantiate != nullptr,);

  1291.             CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->cleanup != nullptr,);

  1292.         }

  1293.         else

  1294.         {

  1295.             if (fUI.handle == nullptr)

  1296.                 return;

  1297.         }

  1298. 

  1299.         if (yesNo)

  1300.         {

  1301.             if (fUI.handle == nullptr)

  1302.             {

  1303. #ifndef LV2_UIS_ONLY_BRIDGES

  1304.                 if (fUI.type == UI::TYPE_EMBED)

  1305.                 {

  1306.                     const char* msg = nullptr;

  1307. 

  1308.                     switch (fUI.rdfDescriptor->Type)

  1309.                     {

  1310.                     case LV2_UI_GTK2:

  1311.                     case LV2_UI_GTK3:

  1312.                     case LV2_UI_QT4:

  1313.                     case LV2_UI_QT5:

  1314.                     case LV2_UI_EXTERNAL:

  1315.                     case LV2_UI_OLD_EXTERNAL:

  1316.                         msg = "Invalid UI type";

  1317.                         break;

  1318. 

  1319.                     case LV2_UI_COCOA:

  1320. # ifdef CARLA_OS_MAC

  1321.                         fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, isUiResizable());

  1322. # else

  1323.                         msg = "UI is for MacOS only";

  1324. # endif

  1325.                         break;

  1326. 

  1327.                     case LV2_UI_WINDOWS:

  1328. # ifdef CARLA_OS_WIN

  1329.                         fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, isUiResizable());

  1330. # else

  1331.                         msg = "UI is for Windows only";

  1332. # endif

  1333.                         break;

  1334. 

  1335.                     case LV2_UI_X11:

  1336. # ifdef HAVE_X11

  1337.                         fUI.window = CarlaPluginUI::newX11(this, frontendWinId, isUiResizable());

  1338. # else

  1339.                         msg = "UI is only for systems with X11";

  1340. # endif

  1341.                         break;

  1342. 

  1343.                     default:

  1344.                         msg = "Unknown UI type";

  1345.                         break;

  1346.                     }

  1347. 

  1348.                     if (fUI.window == nullptr && fExt.uishow == nullptr)

  1349.                         return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, msg);

  1350. 

  1351.                     if (fUI.window != nullptr)

  1352.                     {

  1353.                         fUI.window->setTitle(fLv2Options.windowTitle);

  1354.                         fFeatures[kFeatureIdUiParent]->data = fUI.window->getPtr();

  1355.                     }

  1356.                 }

  1357. #endif

  1358. 

  1359.                 fUI.widget = nullptr;

  1360.                 fUI.handle = fUI.descriptor->instantiate(fUI.descriptor, fRdfDescriptor->URI, fUI.rdfDescriptor->Bundle,

  1361.                                                          carla_lv2_ui_write_function, this, &fUI.widget, fFeatures);

  1362.             }

  1363. 

  1364.             CARLA_SAFE_ASSERT(fUI.handle != nullptr);

  1365.             CARLA_SAFE_ASSERT(fUI.type != UI::TYPE_EXTERNAL || fUI.widget != nullptr);

  1366. 

  1367.             if (fUI.handle == nullptr || (fUI.type == UI::TYPE_EXTERNAL && fUI.widget == nullptr))

  1368.             {

  1369.                 fUI.widget = nullptr;

  1370. 

  1371.                 if (fUI.handle != nullptr)

  1372.                 {

  1373.                     fUI.descriptor->cleanup(fUI.handle);

  1374.                     fUI.handle = nullptr;

  1375.                 }

  1376. 

  1377.                 return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, "Plugin refused to open its own UI");

  1378.             }

  1379. 

  1380.             updateUi();

  1381. 

  1382. #ifndef LV2_UIS_ONLY_BRIDGES

  1383.             if (fUI.type == UI::TYPE_EMBED)

  1384.             {

  1385.                 if (fUI.window != nullptr)

  1386.                 {

  1387.                     fUI.window->show();

  1388.                 }

  1389.                 else if (fExt.uishow != nullptr)

  1390.                 {

  1391.                     fExt.uishow->show(fUI.handle);

  1392. # ifndef BUILD_BRIDGE

  1393.                     pData->tryTransient();

  1394. # endif

  1395.                 }

  1396.             }

  1397.             else

  1398. #endif

  1399.             {

  1400.                 LV2_EXTERNAL_UI_SHOW((LV2_External_UI_Widget*)fUI.widget);

  1401. #ifndef BUILD_BRIDGE

  1402.                 pData->tryTransient();

  1403. #endif

  1404.             }

  1405.         }

  1406.         else

  1407.         {

  1408. #ifndef LV2_UIS_ONLY_BRIDGES

  1409.             if (fUI.type == UI::TYPE_EMBED)

  1410.             {

  1411.                 if (fUI.window != nullptr)

  1412.                     fUI.window->hide();

  1413.                 else if (fExt.uishow != nullptr)

  1414.                     fExt.uishow->hide(fUI.handle);

  1415.             }

  1416.             else

  1417. #endif

  1418.             {

  1419.                 CARLA_SAFE_ASSERT(fUI.widget != nullptr);

  1420. 

  1421.                 if (fUI.widget != nullptr)

  1422.                     LV2_EXTERNAL_UI_HIDE((LV2_External_UI_Widget*)fUI.widget);

  1423.             }

  1424. 

  1425.             fUI.descriptor->cleanup(fUI.handle);

  1426.             fUI.handle = nullptr;

  1427.             fUI.widget = nullptr;

  1428.         }

  1429.     }

  1430. 

  1431.     void idle() override

  1432.     {

  1433.         if (fLatencyChanged && fLatencyIndex != -1)

  1434.         {

  1435.             fLatencyChanged = false;

  1436. 

  1437.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1438. 

  1439.             if (latency >= 0)

  1440.             {

  1441.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1442. 

  1443.                 if (pData->latency != ulatency)

  1444.                 {

  1445.                     carla_stdout("latency changed to %i", latency);

  1446. 

  1447.                     const ScopedSingleProcessLocker sspl(this, true);

  1448. 

  1449.                     pData->latency = ulatency;

  1450.                     pData->client->setLatency(ulatency);

  1451. #ifndef BUILD_BRIDGE

  1452.                     pData->recreateLatencyBuffers();

  1453. #endif

  1454.                 }

  1455.             }

  1456.             else

  1457.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1458.         }

  1459. 

  1460.         CarlaPlugin::idle();

  1461.     }

  1462. 

  1463.     void uiIdle() override

  1464.     {

  1465.         if (fAtomBufferOut.isDataAvailableForReading())

  1466.         {

  1467.             uint8_t dumpBuf[fAtomBufferOut.getSize()];

  1468. 

  1469.             Lv2AtomRingBuffer tmpRingBuffer(fAtomBufferOut, dumpBuf);

  1470.             CARLA_SAFE_ASSERT(tmpRingBuffer.isDataAvailableForReading());

  1471. 

  1472.             uint32_t portIndex;

  1473.             const LV2_Atom* atom;

  1474.             const bool hasPortEvent(fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr);

  1475. 

  1476.             for (; tmpRingBuffer.get(atom, portIndex);)

  1477.             {

  1478.                 if (atom->type == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  1479.                 {

  1480.                     CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work != nullptr);

  1481.                     fExt.worker->work(fHandle, carla_lv2_worker_respond, this, atom->size, LV2_ATOM_BODY_CONST(atom));

  1482.                 }

  1483.                 else if (fUI.type == UI::TYPE_BRIDGE)

  1484.                 {

  1485.                     if (fPipeServer.isPipeRunning())

  1486.                         fPipeServer.writeLv2AtomMessage(portIndex, atom);

  1487.                 }

  1488.                 else

  1489.                 {

  1490.                     if (hasPortEvent)

  1491.                         fUI.descriptor->port_event(fUI.handle, portIndex, lv2_atom_total_size(atom), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1492.                 }

  1493.             }

  1494.         }

  1495. 

  1496.         if (fPipeServer.isPipeRunning())

  1497.         {

  1498.             fPipeServer.idlePipe();

  1499. 

  1500.             switch (fPipeServer.getAndResetUiState())

  1501.             {

  1502.             case CarlaPipeServerLV2::UiNone:

  1503.             case CarlaPipeServerLV2::UiShow:

  1504.                 break;

  1505.             case CarlaPipeServerLV2::UiHide:

  1506.                 fPipeServer.stopPipeServer(2000);

  1507.                 // nobreak

  1508.             case CarlaPipeServerLV2::UiCrashed:

  1509.                 pData->transientTryCounter = 0;

  1510.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1511.                 break;

  1512.             }

  1513.         }

  1514.         else

  1515.         {

  1516.             // TODO - detect if ui-bridge crashed

  1517.         }

  1518. 

  1519.         if (fUI.handle != nullptr && fUI.descriptor != nullptr)

  1520.         {

  1521.             if (fUI.type == UI::TYPE_EXTERNAL && fUI.widget != nullptr)

  1522.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)fUI.widget);

  1523. #ifndef LV2_UIS_ONLY_BRIDGES

  1524.             else if (fUI.type == UI::TYPE_EMBED && fUI.window != nullptr)

  1525.                 fUI.window->idle();

  1526. 

  1527.             // note: UI might have been closed by ext-ui or window idle

  1528.             if (fUI.type != UI::TYPE_EXTERNAL && fUI.handle != nullptr && fExt.uiidle != nullptr && fExt.uiidle->idle(fUI.handle) != 0)

  1529.             {

  1530.                 showCustomUI(false);

  1531.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1532.             }

  1533. #endif

  1534.         }

  1535. 

  1536.         CarlaPlugin::uiIdle();

  1537.     }

  1538. 

  1539.     // -------------------------------------------------------------------

  1540.     // Plugin state

  1541. 

  1542.     void reload() override

  1543.     {

  1544.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  1545.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1546.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1547.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  1548.         carla_debug("CarlaPluginLV2::reload() - start");

  1549. 

  1550.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  1551. 

  1552.         // Safely disable plugin for reload

  1553.         const ScopedDisabler sd(this);

  1554. 

  1555.         if (pData->active)

  1556.             deactivate();

  1557. 

  1558.         clearBuffers();

  1559. 

  1560.         const float sampleRate(static_cast<float>(pData->engine->getSampleRate()));

  1561.         const uint32_t portCount(fRdfDescriptor->PortCount);

  1562. 

  1563.         uint32_t aIns, aOuts, cvIns, cvOuts, params;

  1564.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1565.         LinkedList<uint> evIns, evOuts;

  1566. 

  1567.         const uint32_t eventBufferSize(static_cast<uint32_t>(fLv2Options.sequenceSize)+0xff);

  1568. 

  1569.         bool forcedStereoIn, forcedStereoOut;

  1570.         forcedStereoIn = forcedStereoOut = false;

  1571. 

  1572.         bool needsCtrlIn, needsCtrlOut;

  1573.         needsCtrlIn = needsCtrlOut = false;

  1574. 

  1575.         for (uint32_t i=0; i < portCount; ++i)

  1576.         {

  1577.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  1578. 

  1579.             if (LV2_IS_PORT_AUDIO(portTypes))

  1580.             {

  1581.                 if (LV2_IS_PORT_INPUT(portTypes))

  1582.                     aIns += 1;

  1583.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1584.                     aOuts += 1;

  1585.             }

  1586.             else if (LV2_IS_PORT_CV(portTypes))

  1587.             {

  1588.                 if (LV2_IS_PORT_INPUT(portTypes))

  1589.                     cvIns += 1;

  1590.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1591.                     cvOuts += 1;

  1592.             }

  1593.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes))

  1594.             {

  1595.                 if (LV2_IS_PORT_INPUT(portTypes))

  1596.                     evIns.append(CARLA_EVENT_DATA_ATOM);

  1597.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1598.                     evOuts.append(CARLA_EVENT_DATA_ATOM);

  1599.             }

  1600.             else if (LV2_IS_PORT_EVENT(portTypes))

  1601.             {

  1602.                 if (LV2_IS_PORT_INPUT(portTypes))

  1603.                     evIns.append(CARLA_EVENT_DATA_EVENT);

  1604.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1605.                     evOuts.append(CARLA_EVENT_DATA_EVENT);

  1606.             }

  1607.             else if (LV2_IS_PORT_MIDI_LL(portTypes))

  1608.             {

  1609.                 if (LV2_IS_PORT_INPUT(portTypes))

  1610.                     evIns.append(CARLA_EVENT_DATA_MIDI_LL);

  1611.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1612.                     evOuts.append(CARLA_EVENT_DATA_MIDI_LL);

  1613.             }

  1614.             else if (LV2_IS_PORT_CONTROL(portTypes))

  1615.                 params += 1;

  1616.         }

  1617. 

  1618.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1) && fExt.state == nullptr && fExt.worker == nullptr)

  1619.         {

  1620.             if (fHandle2 == nullptr)

  1621.             {

  1622.                 try {

  1623.                     fHandle2 = fDescriptor->instantiate(fDescriptor, sampleRate, fRdfDescriptor->Bundle, fFeatures);

  1624.                 } catch(...) {}

  1625.             }

  1626. 

  1627.             if (fHandle2 != nullptr)

  1628.             {

  1629.                 if (aIns == 1)

  1630.                 {

  1631.                     aIns = 2;

  1632.                     forcedStereoIn = true;

  1633.                 }

  1634. 

  1635.                 if (aOuts == 1)

  1636.                 {

  1637.                     aOuts = 2;

  1638.                     forcedStereoOut = true;

  1639.                 }

  1640.             }

  1641.         }

  1642. 

  1643.         if (aIns > 0)

  1644.         {

  1645.             pData->audioIn.createNew(aIns);

  1646.             fAudioInBuffers = new float*[aIns];

  1647. 

  1648.             for (uint32_t i=0; i < aIns; ++i)

  1649.                 fAudioInBuffers[i] = nullptr;

  1650.         }

  1651. 

  1652.         if (aOuts > 0)

  1653.         {

  1654.             pData->audioOut.createNew(aOuts);

  1655.             fAudioOutBuffers = new float*[aOuts];

  1656.             needsCtrlIn = true;

  1657. 

  1658.             for (uint32_t i=0; i < aOuts; ++i)

  1659.                 fAudioOutBuffers[i] = nullptr;

  1660.         }

  1661. 

  1662.         if (cvIns > 0)

  1663.         {

  1664.             pData->cvIn.createNew(cvIns);

  1665.             fCvInBuffers = new float*[cvIns];

  1666. 

  1667.             for (uint32_t i=0; i < cvIns; ++i)

  1668.                 fCvInBuffers[i] = nullptr;

  1669.         }

  1670. 

  1671.         if (cvOuts > 0)

  1672.         {

  1673.             pData->cvOut.createNew(cvOuts);

  1674.             fCvOutBuffers = new float*[cvOuts];

  1675. 

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

  1677.                 fCvOutBuffers[i] = nullptr;

  1678.         }

  1679. 

  1680.         if (params > 0)

  1681.         {

  1682.             pData->param.createNew(params, true);

  1683.             fParamBuffers = new float[params];

  1684.             FloatVectorOperations::clear(fParamBuffers, static_cast<int>(params));

  1685.         }

  1686. 

  1687.         if (const uint32_t count = static_cast<uint32_t>(evIns.count()))

  1688.         {

  1689.             fEventsIn.createNew(count);

  1690. 

  1691.             for (uint32_t i=0; i < count; ++i)

  1692.             {

  1693.                 const uint32_t& type(evIns.getAt(i, 0x0));

  1694. 

  1695.                 if (type == CARLA_EVENT_DATA_ATOM)

  1696.                 {

  1697.                     fEventsIn.data[i].type = CARLA_EVENT_DATA_ATOM;

  1698.                     fEventsIn.data[i].atom = lv2_atom_buffer_new(eventBufferSize, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_ATOM_SEQUENCE, true);

  1699.                 }

  1700.                 else if (type == CARLA_EVENT_DATA_EVENT)

  1701.                 {

  1702.                     fEventsIn.data[i].type  = CARLA_EVENT_DATA_EVENT;

  1703.                     fEventsIn.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP);

  1704.                 }

  1705.                 else if (type == CARLA_EVENT_DATA_MIDI_LL)

  1706.                 {

  1707.                     fEventsIn.data[i].type = CARLA_EVENT_DATA_MIDI_LL;

  1708.                     fEventsIn.data[i].midi.capacity = eventBufferSize;

  1709.                     fEventsIn.data[i].midi.data     = new uchar[eventBufferSize];

  1710.                 }

  1711.             }

  1712.         }

  1713.         else

  1714.         {

  1715.             fEventsIn.createNew(1);

  1716.             fEventsIn.ctrl = &fEventsIn.data[0];

  1717.         }

  1718. 

  1719.         if (const uint32_t count = static_cast<uint32_t>(evOuts.count()))

  1720.         {

  1721.             fEventsOut.createNew(count);

  1722. 

  1723.             for (uint32_t i=0; i < count; ++i)

  1724.             {

  1725.                 const uint32_t& type(evOuts.getAt(i, 0x0));

  1726. 

  1727.                 if (type == CARLA_EVENT_DATA_ATOM)

  1728.                 {

  1729.                     fEventsOut.data[i].type = CARLA_EVENT_DATA_ATOM;

  1730.                     fEventsOut.data[i].atom = lv2_atom_buffer_new(eventBufferSize, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_ATOM_SEQUENCE, false);

  1731.                 }

  1732.                 else if (type == CARLA_EVENT_DATA_EVENT)

  1733.                 {

  1734.                     fEventsOut.data[i].type  = CARLA_EVENT_DATA_EVENT;

  1735.                     fEventsOut.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP);

  1736.                 }

  1737.                 else if (type == CARLA_EVENT_DATA_MIDI_LL)

  1738.                 {

  1739.                     fEventsOut.data[i].type = CARLA_EVENT_DATA_MIDI_LL;

  1740.                     fEventsOut.data[i].midi.capacity = eventBufferSize;

  1741.                     fEventsOut.data[i].midi.data     = new uchar[eventBufferSize];

  1742.                 }

  1743.             }

  1744.         }

  1745. 

  1746.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  1747.         CarlaString portName;

  1748. 

  1749.         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCvIn=0, iCvOut=0, iEvIn=0, iEvOut=0, iCtrl=0; i < portCount; ++i)

  1750.         {

  1751.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  1752. 

  1753.             portName.clear();

  1754. 

  1755.             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))

  1756.             {

  1757.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1758.                 {

  1759.                     portName  = pData->name;

  1760.                     portName += ":";

  1761.                 }

  1762. 

  1763.                 portName += fRdfDescriptor->Ports[i].Name;

  1764.                 portName.truncate(portNameSize);

  1765.             }

  1766. 

  1767.             if (LV2_IS_PORT_AUDIO(portTypes))

  1768.             {

  1769.                 if (LV2_IS_PORT_INPUT(portTypes))

  1770.                 {

  1771.                     const uint32_t j = iAudioIn++;

  1772.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true);

  1773.                     pData->audioIn.ports[j].rindex = i;

  1774. 

  1775.                     if (forcedStereoIn)

  1776.                     {

  1777.                         portName += "_2";

  1778.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true);

  1779.                         pData->audioIn.ports[1].rindex = i;

  1780.                     }

  1781.                 }

  1782.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1783.                 {

  1784.                     const uint32_t j = iAudioOut++;

  1785.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  1786.                     pData->audioOut.ports[j].rindex = i;

  1787. 

  1788.                     if (forcedStereoOut)

  1789.                     {

  1790.                         portName += "_2";

  1791.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false);

  1792.                         pData->audioOut.ports[1].rindex = i;

  1793.                     }

  1794.                 }

  1795.                 else

  1796.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1797.             }

  1798.             else if (LV2_IS_PORT_CV(portTypes))

  1799.             {

  1800.                 if (LV2_IS_PORT_INPUT(portTypes))

  1801.                 {

  1802.                     const uint32_t j = iCvIn++;

  1803.                     pData->cvIn.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, true);

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

  1805.                 }

  1806.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1807.                 {

  1808.                     const uint32_t j = iCvOut++;

  1809.                     pData->cvOut.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, false);

  1810.                     pData->cvOut.ports[j].rindex = i;

  1811.                 }

  1812.                 else

  1813.                     carla_stderr("WARNING - Got a broken Port (CV, but not input or output)");

  1814.             }

  1815.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes))

  1816.             {

  1817.                 if (LV2_IS_PORT_INPUT(portTypes))

  1818.                 {

  1819.                     const uint32_t j = iEvIn++;

  1820. 

  1821.                     fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].atom->atoms);

  1822. 

  1823.                     if (fHandle2 != nullptr)

  1824.                         fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].atom->atoms);

  1825. 

  1826.                     fEventsIn.data[j].rindex = i;

  1827. 

  1828.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1829.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1830.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1831.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1832.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1833.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1834. 

  1835.                     if (evIns.count() == 1)

  1836.                     {

  1837.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1838.                         fEventsIn.ctrlIndex = j;

  1839. 

  1840.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1841.                             needsCtrlIn = true;

  1842.                     }

  1843.                     else

  1844.                     {

  1845.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1846.                             fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1847. 

  1848.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1849.                         {

  1850.                             fEventsIn.ctrl = &fEventsIn.data[j];

  1851.                             fEventsIn.ctrlIndex = j;

  1852.                         }

  1853.                     }

  1854.                 }

  1855.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1856.                 {

  1857.                     const uint32_t j = iEvOut++;

  1858. 

  1859.                     fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].atom->atoms);

  1860. 

  1861.                     if (fHandle2 != nullptr)

  1862.                         fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].atom->atoms);

  1863. 

  1864.                     fEventsOut.data[j].rindex = i;

  1865. 

  1866.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1867.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1868.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1869.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1870.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1871.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1872. 

  1873.                     if (evOuts.count() == 1)

  1874.                     {

  1875.                         fEventsOut.ctrl = &fEventsOut.data[j];

  1876.                         fEventsOut.ctrlIndex = j;

  1877. 

  1878.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1879.                             needsCtrlOut = true;

  1880.                     }

  1881.                     else

  1882.                     {

  1883.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1884.                             fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1885. 

  1886.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1887.                         {

  1888.                             fEventsOut.ctrl = &fEventsOut.data[j];

  1889.                             fEventsOut.ctrlIndex = j;

  1890.                         }

  1891.                     }

  1892.                 }

  1893.                 else

  1894.                     carla_stderr2("WARNING - Got a broken Port (Atom-Sequence, but not input or output)");

  1895.             }

  1896.             else if (LV2_IS_PORT_EVENT(portTypes))

  1897.             {

  1898.                 if (LV2_IS_PORT_INPUT(portTypes))

  1899.                 {

  1900.                     const uint32_t j = iEvIn++;

  1901. 

  1902.                     fDescriptor->connect_port(fHandle, i, fEventsIn.data[j].event);

  1903. 

  1904.                     if (fHandle2 != nullptr)

  1905.                         fDescriptor->connect_port(fHandle2, i, fEventsIn.data[j].event);

  1906. 

  1907.                     fEventsIn.data[j].rindex = i;

  1908. 

  1909.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1910.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1911.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1912.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1913.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1914.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1915. 

  1916.                     if (evIns.count() == 1)

  1917.                     {

  1918.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1919.                         fEventsIn.ctrlIndex = j;

  1920. 

  1921.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1922.                             needsCtrlIn = true;

  1923.                     }

  1924.                     else

  1925.                     {

  1926.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1927.                             fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1928. 

  1929.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1930.                         {

  1931.                             fEventsIn.ctrl = &fEventsIn.data[j];

  1932.                             fEventsIn.ctrlIndex = j;

  1933.                         }

  1934.                     }

  1935.                 }

  1936.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1937.                 {

  1938.                     const uint32_t j = iEvOut++;

  1939. 

  1940.                     fDescriptor->connect_port(fHandle, i, fEventsOut.data[j].event);

  1941. 

  1942.                     if (fHandle2 != nullptr)

  1943.                         fDescriptor->connect_port(fHandle2, i, fEventsOut.data[j].event);

  1944. 

  1945.                     fEventsOut.data[j].rindex = i;

  1946. 

  1947.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1948.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1949.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1950.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1951.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1952.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1953. 

  1954.                     if (evOuts.count() == 1)

  1955.                     {

  1956.                         fEventsOut.ctrl = &fEventsOut.data[j];

  1957.                         fEventsOut.ctrlIndex = j;

  1958. 

  1959.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1960.                             needsCtrlOut = true;

  1961.                     }

  1962.                     else

  1963.                     {

  1964.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1965.                             fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1966. 

  1967.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1968.                         {

  1969.                             fEventsOut.ctrl = &fEventsOut.data[j];

  1970.                             fEventsOut.ctrlIndex = j;

  1971.                         }

  1972.                     }

  1973.                 }

  1974.                 else

  1975.                     carla_stderr2("WARNING - Got a broken Port (Event, but not input or output)");

  1976.             }

  1977.             else if (LV2_IS_PORT_MIDI_LL(portTypes))

  1978.             {

  1979.                 if (LV2_IS_PORT_INPUT(portTypes))

  1980.                 {

  1981.                     const uint32_t j = iEvIn++;

  1982. 

  1983.                     fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].midi);

  1984. 

  1985.                     if (fHandle2 != nullptr)

  1986.                         fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].midi);

  1987. 

  1988.                     fEventsIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  1989.                     fEventsIn.data[j].rindex = i;

  1990. 

  1991.                     if (evIns.count() == 1)

  1992.                     {

  1993.                         needsCtrlIn = true;

  1994.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1995.                         fEventsIn.ctrlIndex = j;

  1996.                     }

  1997.                     else

  1998.                     {

  1999.                         fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  2000. 

  2001.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2002.                         {

  2003.                             fEventsIn.ctrl = &fEventsIn.data[j];

  2004.                             fEventsIn.ctrlIndex = j;

  2005.                         }

  2006.                     }

  2007.                 }

  2008.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  2009.                 {

  2010.                     const uint32_t j = iEvOut++;

  2011. 

  2012.                     fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].midi);

  2013. 

  2014.                     if (fHandle2 != nullptr)

  2015.                         fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].midi);

  2016. 

  2017.                     fEventsOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  2018.                     fEventsOut.data[j].rindex = i;

  2019. 

  2020.                     if (evOuts.count() == 1)

  2021.                     {

  2022.                         needsCtrlOut = true;

  2023.                         fEventsOut.ctrl = &fEventsOut.data[j];

  2024.                         fEventsOut.ctrlIndex = j;

  2025.                     }

  2026.                     else

  2027.                     {

  2028.                         fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  2029. 

  2030.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2031.                         {

  2032.                             fEventsOut.ctrl = &fEventsOut.data[j];

  2033.                             fEventsOut.ctrlIndex = j;

  2034.                         }

  2035.                     }

  2036.                 }

  2037.                 else

  2038.                     carla_stderr2("WARNING - Got a broken Port (MIDI, but not input or output)");

  2039.             }

  2040.             else if (LV2_IS_PORT_CONTROL(portTypes))

  2041.             {

  2042.                 const LV2_Property portProps(fRdfDescriptor->Ports[i].Properties);

  2043.                 const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation);

  2044.                 const LV2_RDF_PortPoints portPoints(fRdfDescriptor->Ports[i].Points);

  2045. 

  2046.                 const uint32_t j = iCtrl++;

  2047.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  2048.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  2049. 

  2050.                 float min, max, def, step, stepSmall, stepLarge;

  2051. 

  2052.                 // min value

  2053.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  2054.                     min = portPoints.Minimum;

  2055.                 else

  2056.                     min = 0.0f;

  2057. 

  2058.                 // max value

  2059.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  2060.                     max = portPoints.Maximum;

  2061.                 else

  2062.                     max = 1.0f;

  2063. 

  2064.                 if (min > max)

  2065.                     max = min;

  2066. 

  2067.                 // stupid hack for ir.lv2 (broken plugin)

  2068.                 if (std::strcmp(fRdfDescriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && std::strncmp(fRdfDescriptor->Ports[i].Name, "FileHash", 8) == 0)

  2069.                 {

  2070.                     min = 0.0f;

  2071.                     max = (float)0xffffff;

  2072.                 }

  2073. 

  2074.                 if (carla_compareFloats(min, max))

  2075.                 {

  2076.                     carla_stderr2("WARNING - Broken plugin parameter '%s': max == min", fRdfDescriptor->Ports[i].Name);

  2077.                     max = min + 0.1f;

  2078.                 }

  2079. 

  2080.                 // default value

  2081.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  2082.                 {

  2083.                     def = portPoints.Default;

  2084.                 }

  2085.                 else

  2086.                 {

  2087.                     // no default value

  2088.                     if (min < 0.0f && max > 0.0f)

  2089.                         def = 0.0f;

  2090.                     else

  2091.                         def = min;

  2092.                 }

  2093. 

  2094.                 if (def < min)

  2095.                     def = min;

  2096.                 else if (def > max)

  2097.                     def = max;

  2098. 

  2099.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  2100.                 {

  2101.                     min *= sampleRate;

  2102.                     max *= sampleRate;

  2103.                     def *= sampleRate;

  2104.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  2105.                 }

  2106. 

  2107.                 if (LV2_IS_PORT_TOGGLED(portProps))

  2108.                 {

  2109.                     step = max - min;

  2110.                     stepSmall = step;

  2111.                     stepLarge = step;

  2112.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  2113.                 }

  2114.                 else if (LV2_IS_PORT_INTEGER(portProps))

  2115.                 {

  2116.                     step = 1.0f;

  2117.                     stepSmall = 1.0f;

  2118.                     stepLarge = 10.0f;

  2119.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  2120.                 }

  2121.                 else

  2122.                 {

  2123.                     float range = max - min;

  2124.                     step = range/100.0f;

  2125.                     stepSmall = range/1000.0f;

  2126.                     stepLarge = range/10.0f;

  2127.                 }

  2128. 

  2129.                 if (LV2_IS_PORT_INPUT(portTypes))

  2130.                 {

  2131.                     pData->param.data[j].type = PARAMETER_INPUT;

  2132. 

  2133.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  2134.                     {

  2135.                         carla_stderr("Plugin has latency input port, this should not happen!");

  2136.                     }

  2137.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  2138.                     {

  2139.                         def = sampleRate;

  2140.                         step = 1.0f;

  2141.                         stepSmall = 1.0f;

  2142.                         stepLarge = 1.0f;

  2143.                         pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE;

  2144.                     }

  2145.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  2146.                     {

  2147.                         pData->param.special[j] = PARAMETER_SPECIAL_FREEWHEEL;

  2148.                     }

  2149.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  2150.                     {

  2151.                         pData->param.special[j] = PARAMETER_SPECIAL_TIME;

  2152.                     }

  2153.                     else

  2154.                     {

  2155.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  2156.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  2157.                         needsCtrlIn = true;

  2158.                     }

  2159. 

  2160.                     // MIDI CC value

  2161.                     const LV2_RDF_PortMidiMap& portMidiMap(fRdfDescriptor->Ports[i].MidiMap);

  2162. 

  2163.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap.Type))

  2164.                     {

  2165.                         if (portMidiMap.Number < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap.Number))

  2166.                             pData->param.data[j].midiCC = static_cast<int16_t>(portMidiMap.Number);

  2167.                     }

  2168.                 }

  2169.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  2170.                 {

  2171.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  2172. 

  2173.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  2174.                     {

  2175.                         min = 0.0f;

  2176.                         max = sampleRate;

  2177.                         def = 0.0f;

  2178.                         step = 1.0f;

  2179.                         stepSmall = 1.0f;

  2180.                         stepLarge = 1.0f;

  2181.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  2182.                         CARLA_SAFE_ASSERT(fLatencyIndex == static_cast<int32_t>(j));

  2183.                     }

  2184.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  2185.                     {

  2186.                         def = sampleRate;

  2187.                         step = 1.0f;

  2188.                         stepSmall = 1.0f;

  2189.                         stepLarge = 1.0f;

  2190.                         pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE;

  2191.                     }

  2192.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  2193.                     {

  2194.                         carla_stderr("Plugin has freewheeling output port, this should not happen!");

  2195.                     }

  2196.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  2197.                     {

  2198.                         pData->param.special[j] = PARAMETER_SPECIAL_TIME;

  2199.                     }

  2200.                     else

  2201.                     {

  2202.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  2203.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  2204.                         needsCtrlOut = true;

  2205.                     }

  2206.                 }

  2207.                 else

  2208.                 {

  2209.                     pData->param.data[j].type = PARAMETER_UNKNOWN;

  2210.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  2211.                 }

  2212. 

  2213.                 // extra parameter hints

  2214.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  2215.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  2216. 

  2217.                 if (LV2_IS_PORT_TRIGGER(portProps))

  2218.                     pData->param.data[j].hints |= PARAMETER_IS_TRIGGER;

  2219. 

  2220.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  2221.                     pData->param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  2222. 

  2223.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  2224.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  2225. 

  2226.                 // check if parameter is not enabled or automable

  2227.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  2228.                     pData->param.data[j].hints &= ~(PARAMETER_IS_ENABLED|PARAMETER_IS_AUTOMABLE);

  2229.                 else if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps))

  2230.                     pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  2231.                 else if (LV2_IS_PORT_NOT_AUTOMATIC(portProps) || LV2_IS_PORT_NON_AUTOMABLE(portProps))

  2232.                     pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  2233. 

  2234.                 pData->param.ranges[j].min = min;

  2235.                 pData->param.ranges[j].max = max;

  2236.                 pData->param.ranges[j].def = def;

  2237.                 pData->param.ranges[j].step = step;

  2238.                 pData->param.ranges[j].stepSmall = stepSmall;

  2239.                 pData->param.ranges[j].stepLarge = stepLarge;

  2240. 

  2241.                 // Start parameters in their default values (except freewheel, which is off by default)

  2242.                 if (pData->param.data[j].type == PARAMETER_INPUT && pData->param.special[j] == PARAMETER_SPECIAL_FREEWHEEL)

  2243.                     fParamBuffers[j] = min;

  2244.                 else

  2245.                     fParamBuffers[j] = def;

  2246. 

  2247.                 fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  2248. 

  2249.                 if (fHandle2 != nullptr)

  2250.                     fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  2251.             }

  2252.             else

  2253.             {

  2254.                 // Port Type not supported, but it's optional anyway

  2255.                 fDescriptor->connect_port(fHandle, i, nullptr);

  2256. 

  2257.                 if (fHandle2 != nullptr)

  2258.                     fDescriptor->connect_port(fHandle2, i, nullptr);

  2259.             }

  2260.         }

  2261. 

  2262.         if (needsCtrlIn)

  2263.         {

  2264.             portName.clear();

  2265. 

  2266.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  2267.             {

  2268.                 portName  = pData->name;

  2269.                 portName += ":";

  2270.             }

  2271. 

  2272.             portName += "events-in";

  2273.             portName.truncate(portNameSize);

  2274. 

  2275.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  2276.         }

  2277. 

  2278.         if (needsCtrlOut)

  2279.         {

  2280.             portName.clear();

  2281. 

  2282.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  2283.             {

  2284.                 portName  = pData->name;

  2285.                 portName += ":";

  2286.             }

  2287. 

  2288.             portName += "events-out";

  2289.             portName.truncate(portNameSize);

  2290. 

  2291.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  2292.         }

  2293. 

  2294.         if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsIn.count > 0 && (fEventsIn.data[0].type & CARLA_EVENT_DATA_ATOM) != 0))

  2295.             fAtomBufferIn.createBuffer(eventBufferSize);

  2296. 

  2297.         if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsOut.count > 0 && (fEventsOut.data[0].type & CARLA_EVENT_DATA_ATOM) != 0))

  2298.             fAtomBufferOut.createBuffer(eventBufferSize);

  2299. 

  2300.         if (fEventsIn.ctrl != nullptr && fEventsIn.ctrl->port == nullptr)

  2301.             fEventsIn.ctrl->port = pData->event.portIn;

  2302. 

  2303.         if (fEventsOut.ctrl != nullptr && fEventsOut.ctrl->port == nullptr)

  2304.             fEventsOut.ctrl->port = pData->event.portOut;

  2305. 

  2306.         if (fCanInit2 && (forcedStereoIn || forcedStereoOut))

  2307.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2308.         else

  2309.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  2310. 

  2311.         // plugin hints

  2312.         pData->hints = 0x0;

  2313. 

  2314.         if (isRealtimeSafe())

  2315.             pData->hints |= PLUGIN_IS_RTSAFE;

  2316. 

  2317.         if (fUI.type != UI::TYPE_NULL)

  2318.         {

  2319.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  2320. 

  2321.             if (fUI.type == UI::TYPE_EMBED || fUI.type == UI::TYPE_EXTERNAL)

  2322.                 pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  2323.         }

  2324. 

  2325.         if (LV2_IS_GENERATOR(fRdfDescriptor->Type[0], fRdfDescriptor->Type[1]))

  2326.             pData->hints |= PLUGIN_IS_SYNTH;

  2327. 

  2328.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  2329.             pData->hints |= PLUGIN_CAN_DRYWET;

  2330. 

  2331.         if (aOuts > 0)

  2332.             pData->hints |= PLUGIN_CAN_VOLUME;

  2333. 

  2334.         if (aOuts >= 2 && aOuts % 2 == 0)

  2335.             pData->hints |= PLUGIN_CAN_BALANCE;

  2336. 

  2337.         // extra plugin hints

  2338.         pData->extraHints = 0x0;

  2339. 

  2340.         if (! fCanInit2)

  2341.         {

  2342.             // can't run in rack

  2343.         }

  2344.         else if (fExt.state != nullptr || fExt.worker != nullptr)

  2345.         {

  2346.             if ((aIns == 0 || aIns == 2) && (aOuts == 0 || aOuts == 2) && evIns.count() <= 1 && evOuts.count() <= 1)

  2347.                 pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  2348.         }

  2349.         else

  2350.         {

  2351.             if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && evIns.count() <= 1 && evOuts.count() <= 1)

  2352.                 pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  2353.         }

  2354. 

  2355.         // check latency

  2356.         if (fLatencyIndex >= 0)

  2357.         {

  2358.             // we need to pre-run the plugin so it can update its latency control-port

  2359. 

  2360.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  2361.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  2362. 

  2363.             for (uint32_t j=0; j < aIns; ++j)

  2364.             {

  2365.                 tmpIn[j][0] = 0.0f;

  2366.                 tmpIn[j][1] = 0.0f;

  2367. 

  2368.                 try {

  2369.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  2370.                 } CARLA_SAFE_EXCEPTION("LV2 connect_port latency input");

  2371.             }

  2372. 

  2373.             for (uint32_t j=0; j < aOuts; ++j)

  2374.             {

  2375.                 tmpOut[j][0] = 0.0f;

  2376.                 tmpOut[j][1] = 0.0f;

  2377. 

  2378.                 try {

  2379.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  2380.                 } CARLA_SAFE_EXCEPTION("LV2 connect_port latency output");

  2381.             }

  2382. 

  2383.             if (fDescriptor->activate != nullptr)

  2384.             {

  2385.                 try {

  2386.                     fDescriptor->activate(fHandle);

  2387.                 } CARLA_SAFE_EXCEPTION("LV2 latency activate");

  2388.             }

  2389. 

  2390.             try {

  2391.                 fDescriptor->run(fHandle, 2);

  2392.             } CARLA_SAFE_EXCEPTION("LV2 latency run");

  2393. 

  2394.             if (fDescriptor->deactivate != nullptr)

  2395.             {

  2396.                 try {

  2397.                     fDescriptor->deactivate(fHandle);

  2398.                 } CARLA_SAFE_EXCEPTION("LV2 latency deactivate");

  2399.             }

  2400. 

  2401.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  2402. 

  2403.             if (latency >= 0)

  2404.             {

  2405.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  2406. 

  2407.                 if (pData->latency != ulatency)

  2408.                 {

  2409.                     carla_stdout("latency = %i", latency);

  2410. 

  2411.                     pData->latency = ulatency;

  2412.                     pData->client->setLatency(ulatency);

  2413. #ifndef BUILD_BRIDGE

  2414.                     pData->recreateLatencyBuffers();

  2415. #endif

  2416.                 }

  2417.             }

  2418.             else

  2419.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  2420. 

  2421.             fLatencyChanged = false;

  2422.         }

  2423. 

  2424.         bufferSizeChanged(pData->engine->getBufferSize());

  2425.         reloadPrograms(true);

  2426. 

  2427.         evIns.clear();

  2428.         evOuts.clear();

  2429. 

  2430.         if (pData->active)

  2431.             activate();

  2432. 

  2433.         carla_debug("CarlaPluginLV2::reload() - end");

  2434.     }

  2435. 

  2436.     void reloadPrograms(const bool doInit) override

  2437.     {

  2438.         carla_debug("CarlaPluginLV2::reloadPrograms(%s)", bool2str(doInit));

  2439.         const uint32_t oldCount = pData->midiprog.count;

  2440.         const int32_t  current  = pData->midiprog.current;

  2441. 

  2442.         // special LV2 programs handling

  2443.         if (doInit)

  2444.         {

  2445.             pData->prog.clear();

  2446. 

  2447.             const uint32_t presetCount(fRdfDescriptor->PresetCount);

  2448. 

  2449.             if (presetCount > 0)

  2450.             {

  2451.                 pData->prog.createNew(presetCount);

  2452. 

  2453.                 for (uint32_t i=0; i < presetCount; ++i)

  2454.                     pData->prog.names[i] = carla_strdup(fRdfDescriptor->Presets[i].Label);

  2455.             }

  2456.         }

  2457. 

  2458.         // Delete old programs

  2459.         pData->midiprog.clear();

  2460. 

  2461.         // Query new programs

  2462.         uint32_t newCount = 0;

  2463.         if (fExt.programs != nullptr && fExt.programs->get_program != nullptr && fExt.programs->select_program != nullptr)

  2464.         {

  2465.             for (; fExt.programs->get_program(fHandle, newCount);)

  2466.                 ++newCount;

  2467.         }

  2468. 

  2469.         if (newCount > 0)

  2470.         {

  2471.             pData->midiprog.createNew(newCount);

  2472. 

  2473.             // Update data

  2474.             for (uint32_t i=0; i < newCount; ++i)

  2475.             {

  2476.                 const LV2_Program_Descriptor* const pdesc(fExt.programs->get_program(fHandle, i));

  2477.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  2478.                 CARLA_SAFE_ASSERT(pdesc->name != nullptr);

  2479. 

  2480.                 pData->midiprog.data[i].bank    = pdesc->bank;

  2481.                 pData->midiprog.data[i].program = pdesc->program;

  2482.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->name);

  2483.             }

  2484.         }

  2485. 

  2486. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  2487.         // Update OSC Names

  2488.         if (pData->engine->isOscControlRegistered())

  2489.         {

  2490.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  2491. 

  2492.             for (uint32_t i=0; i < newCount; ++i)

  2493.                 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);

  2494.         }

  2495. #endif

  2496. 

  2497.         if (doInit)

  2498.         {

  2499.             if (newCount > 0)

  2500.             {

  2501.                 setMidiProgram(0, false, false, false);

  2502.             }

  2503.             else

  2504.             {

  2505.                 // load default state

  2506.                 if (LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fDescriptor->URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data))

  2507.                 {

  2508.                     lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures);

  2509. 

  2510.                     if (fHandle2 != nullptr)

  2511.                         lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures);

  2512. 

  2513.                     lilv_state_free(state);

  2514.                 }

  2515.             }

  2516.         }

  2517.         else

  2518.         {

  2519.             // Check if current program is invalid

  2520.             bool programChanged = false;

  2521. 

  2522.             if (newCount == oldCount+1)

  2523.             {

  2524.                 // one midi program added, probably created by user

  2525.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  2526.                 programChanged = true;

  2527.             }

  2528.             else if (current < 0 && newCount > 0)

  2529.             {

  2530.                 // programs exist now, but not before

  2531.                 pData->midiprog.current = 0;

  2532.                 programChanged = true;

  2533.             }

  2534.             else if (current >= 0 && newCount == 0)

  2535.             {

  2536.                 // programs existed before, but not anymore

  2537.                 pData->midiprog.current = -1;

  2538.                 programChanged = true;

  2539.             }

  2540.             else if (current >= static_cast<int32_t>(newCount))

  2541.             {

  2542.                 // current midi program > count

  2543.                 pData->midiprog.current = 0;

  2544.                 programChanged = true;

  2545.             }

  2546.             else

  2547.             {

  2548.                 // no change

  2549.                 pData->midiprog.current = current;

  2550.             }

  2551. 

  2552.             if (programChanged)

  2553.                 setMidiProgram(pData->midiprog.current, true, true, true);

  2554. 

  2555.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  2556.         }

  2557.     }

  2558. 

  2559.     // -------------------------------------------------------------------

  2560.     // Plugin processing

  2561. 

  2562.     void activate() noexcept override

  2563.     {

  2564.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2565.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2566. 

  2567.         if (fDescriptor->activate != nullptr)

  2568.         {

  2569.             try {

  2570.                 fDescriptor->activate(fHandle);

  2571.             } CARLA_SAFE_EXCEPTION("LV2 activate");

  2572. 

  2573.             if (fHandle2 != nullptr)

  2574.             {

  2575.                 try {

  2576.                     fDescriptor->activate(fHandle2);

  2577.                 } CARLA_SAFE_EXCEPTION("LV2 activate #2");

  2578.             }

  2579.         }

  2580. 

  2581.         fFirstActive = true;

  2582.     }

  2583. 

  2584.     void deactivate() noexcept override

  2585.     {

  2586.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2587.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2588. 

  2589.         if (fDescriptor->deactivate != nullptr)

  2590.         {

  2591.             try {

  2592.                 fDescriptor->deactivate(fHandle);

  2593.             } CARLA_SAFE_EXCEPTION("LV2 deactivate");

  2594. 

  2595.             if (fHandle2 != nullptr)

  2596.             {

  2597.                 try {

  2598.                     fDescriptor->deactivate(fHandle2);

  2599.                 } CARLA_SAFE_EXCEPTION("LV2 deactivate #2");

  2600.             }

  2601.         }

  2602.     }

  2603. 

  2604.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  2605.     {

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

  2607.         // Check if active

  2608. 

  2609.         if (! pData->active)

  2610.         {

  2611.             // disable any output sound

  2612.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2613.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  2614.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2615.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  2616.             return;

  2617.         }

  2618. 

  2619.         // --------------------------------------------------------------------------------------------------------

  2620.         // Event itenerators from different APIs (input)

  2621. 

  2622.         LV2_Atom_Buffer_Iterator evInAtomIters[fEventsIn.count];

  2623.         LV2_Event_Iterator       evInEventIters[fEventsIn.count];

  2624.         LV2_MIDIState            evInMidiStates[fEventsIn.count];

  2625. 

  2626.         for (uint32_t i=0; i < fEventsIn.count; ++i)

  2627.         {

  2628.             if (fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2629.             {

  2630.                 lv2_atom_buffer_reset(fEventsIn.data[i].atom, true);

  2631.                 lv2_atom_buffer_begin(&evInAtomIters[i], fEventsIn.data[i].atom);

  2632.             }

  2633.             else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2634.             {

  2635.                 lv2_event_buffer_reset(fEventsIn.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[i].event->data);

  2636.                 lv2_event_begin(&evInEventIters[i], fEventsIn.data[i].event);

  2637.             }

  2638.             else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2639.             {

  2640.                 fEventsIn.data[i].midi.event_count = 0;

  2641.                 fEventsIn.data[i].midi.size        = 0;

  2642.                 evInMidiStates[i].midi        = &fEventsIn.data[i].midi;

  2643.                 evInMidiStates[i].frame_count = frames;

  2644.                 evInMidiStates[i].position    = 0;

  2645.             }

  2646.         }

  2647. 

  2648.         for (uint32_t i=0; i < fEventsOut.count; ++i)

  2649.         {

  2650.             if (fEventsOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2651.             {

  2652.                 lv2_atom_buffer_reset(fEventsOut.data[i].atom, false);

  2653.             }

  2654.             else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2655.             {

  2656.                 lv2_event_buffer_reset(fEventsOut.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsOut.data[i].event->data);

  2657.             }

  2658.             else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2659.             {

  2660.                 // not needed

  2661.             }

  2662.         }

  2663. 

  2664.         // --------------------------------------------------------------------------------------------------------

  2665.         // Check if needs reset

  2666. 

  2667.         if (pData->needsReset)

  2668.         {

  2669.             uint8_t midiData[3] = { 0, 0, 0 };

  2670. 

  2671.             if (fEventsIn.ctrl != nullptr && (fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) != 0)

  2672.             {

  2673.                 const uint32_t j = fEventsIn.ctrlIndex;

  2674. 

  2675.                 if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  2676.                 {

  2677.                     for (uint8_t i=0; i < MAX_MIDI_CHANNELS; ++i)

  2678.                     {

  2679.                         midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT));

  2680.                         midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  2681. 

  2682.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2683.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2684. 

  2685.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2686.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2687. 

  2688.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2689.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2690. 

  2691.                         midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT));

  2692.                         midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2693. 

  2694.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2695.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2696. 

  2697.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2698.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2699. 

  2700.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2701.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2702.                     }

  2703.                 }

  2704.                 else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  2705.                 {

  2706.                     for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  2707.                     {

  2708.                         midiData[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  2709.                         midiData[1] = k;

  2710. 

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

  2712.                             lv2_atom_buffer_write(&evInAtomIters[k], 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[k], 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[k], 0.0, 3, midiData);

  2719.                     }

  2720.                 }

  2721.             }

  2722. 

  2723. #ifndef BUILD_BRIDGE

  2724.             if (pData->latency > 0)

  2725.             {

  2726.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2727.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  2728.             }

  2729. #endif

  2730. 

  2731.             pData->needsReset = false;

  2732.         }

  2733. 

  2734.         // --------------------------------------------------------------------------------------------------------

  2735.         // TimeInfo

  2736. 

  2737.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  2738. 

  2739.         if (fFirstActive || fLastTimeInfo != timeInfo)

  2740.         {

  2741.             bool doPostRt;

  2742.             int32_t rindex;

  2743. 

  2744.             // update input ports

  2745.             for (uint32_t k=0; k < pData->param.count; ++k)

  2746.             {

  2747.                 if (pData->param.data[k].type != PARAMETER_INPUT)

  2748.                     continue;

  2749.                 if (pData->param.special[k] != PARAMETER_SPECIAL_TIME)

  2750.                     continue;

  2751. 

  2752.                 doPostRt = false;

  2753.                 rindex = pData->param.data[k].rindex;

  2754. 

  2755.                 CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0 && rindex < static_cast<int32_t>(fRdfDescriptor->PortCount));

  2756. 

  2757.                 switch (fRdfDescriptor->Ports[rindex].Designation)

  2758.                 {

  2759.                 // Non-BBT

  2760.                 case LV2_PORT_DESIGNATION_TIME_SPEED:

  2761.                     if (fLastTimeInfo.playing != timeInfo.playing)

  2762.                     {

  2763.                         fParamBuffers[k] = timeInfo.playing ? 1.0f : 0.0f;

  2764.                         doPostRt = true;

  2765.                     }

  2766.                     break;

  2767.                 case LV2_PORT_DESIGNATION_TIME_FRAME:

  2768.                     if (fLastTimeInfo.frame != timeInfo.frame)

  2769.                     {

  2770.                         fParamBuffers[k] = static_cast<float>(timeInfo.frame);

  2771.                         doPostRt = true;

  2772.                     }

  2773.                     break;

  2774.                 case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2775.                     break;

  2776. 

  2777.                 // BBT

  2778.                 case LV2_PORT_DESIGNATION_TIME_BAR:

  2779.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && fLastTimeInfo.bbt.bar != timeInfo.bbt.bar)

  2780.                     {

  2781.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.bar - 1);

  2782.                         doPostRt = true;

  2783.                     }

  2784.                     break;

  2785.                 case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2786.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && (fLastTimeInfo.bbt.tick != timeInfo.bbt.tick ||

  2787.                                                                               !carla_compareFloats(fLastTimeInfo.bbt.ticksPerBeat, timeInfo.bbt.ticksPerBeat)))

  2788.                     {

  2789.                         fParamBuffers[k] = static_cast<float>(static_cast<double>(timeInfo.bbt.beat) - 1.0 + (static_cast<double>(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat));

  2790.                         doPostRt = true;

  2791.                     }

  2792.                     break;

  2793.                 case LV2_PORT_DESIGNATION_TIME_BEAT:

  2794.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && fLastTimeInfo.bbt.beat != timeInfo.bbt.beat)

  2795.                     {

  2796.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.beat - 1);

  2797.                         doPostRt = true;

  2798.                     }

  2799.                     break;

  2800.                 case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2801.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && ! carla_compareFloats(fLastTimeInfo.bbt.beatType, timeInfo.bbt.beatType))

  2802.                     {

  2803.                         fParamBuffers[k] = timeInfo.bbt.beatType;

  2804.                         doPostRt = true;

  2805.                     }

  2806.                     break;

  2807.                 case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2808.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && ! carla_compareFloats(fLastTimeInfo.bbt.beatsPerBar, timeInfo.bbt.beatsPerBar))

  2809.                     {

  2810.                         fParamBuffers[k] = timeInfo.bbt.beatsPerBar;

  2811.                         doPostRt = true;

  2812.                     }

  2813.                     break;

  2814.                 case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2815.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && ! carla_compareFloats(fLastTimeInfo.bbt.beatsPerMinute, timeInfo.bbt.beatsPerMinute))

  2816.                     {

  2817.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.beatsPerMinute);

  2818.                         doPostRt = true;

  2819.                     }

  2820.                     break;

  2821.                 case LV2_PORT_DESIGNATION_TIME_TICKS_PER_BEAT:

  2822.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && ! carla_compareFloats(fLastTimeInfo.bbt.ticksPerBeat, timeInfo.bbt.ticksPerBeat))

  2823.                     {

  2824.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.ticksPerBeat);

  2825.                         doPostRt = true;

  2826.                     }

  2827.                     break;

  2828.                 }

  2829. 

  2830.                 if (doPostRt)

  2831.                     pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  2832.             }

  2833. 

  2834.             for (uint32_t i=0; i < fEventsIn.count; ++i)

  2835.             {

  2836.                 if ((fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM) == 0 || (fEventsIn.data[i].type & CARLA_EVENT_TYPE_TIME) == 0)

  2837.                     continue;

  2838. 

  2839.                 uint8_t timeInfoBuf[256];

  2840.                 lv2_atom_forge_set_buffer(&fAtomForge, timeInfoBuf, sizeof(timeInfoBuf));

  2841. 

  2842.                 LV2_Atom_Forge_Frame forgeFrame;

  2843.                 lv2_atom_forge_object(&fAtomForge, &forgeFrame, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_TIME_POSITION);

  2844. 

  2845.                 lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_SPEED);

  2846.                 lv2_atom_forge_float(&fAtomForge, timeInfo.playing ? 1.0f : 0.0f);

  2847. 

  2848.                 lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_FRAME);

  2849.                 lv2_atom_forge_long(&fAtomForge, static_cast<int64_t>(timeInfo.frame));

  2850. 

  2851.                 if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  2852.                 {

  2853.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BAR);

  2854.                     lv2_atom_forge_long(&fAtomForge, timeInfo.bbt.bar - 1);

  2855. 

  2856.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BAR_BEAT);

  2857.                     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)));

  2858. 

  2859.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEAT);

  2860.                     lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.beat -1);

  2861. 

  2862.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEAT_UNIT);

  2863.                     lv2_atom_forge_int(&fAtomForge, static_cast<int32_t>(timeInfo.bbt.beatType));

  2864. 

  2865.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR);

  2866.                     lv2_atom_forge_float(&fAtomForge, timeInfo.bbt.beatsPerBar);

  2867. 

  2868.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE);

  2869.                     lv2_atom_forge_float(&fAtomForge, static_cast<float>(timeInfo.bbt.beatsPerMinute));

  2870. 

  2871.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT);

  2872.                     lv2_atom_forge_double(&fAtomForge, static_cast<float>(timeInfo.bbt.ticksPerBeat));

  2873.                 }

  2874. 

  2875.                 lv2_atom_forge_pop(&fAtomForge, &forgeFrame);

  2876. 

  2877.                 LV2_Atom* const atom((LV2_Atom*)timeInfoBuf);

  2878.                 CARLA_SAFE_ASSERT_BREAK(atom->size < 256);

  2879. 

  2880.                 // send only deprecated blank object for now

  2881.                 lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, CARLA_URI_MAP_ID_ATOM_BLANK, atom->size, LV2_ATOM_BODY_CONST(atom));

  2882. 

  2883.                 // for atom:object

  2884.                 //lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom));

  2885.             }

  2886. 

  2887.             pData->postRtEvents.trySplice();

  2888. 

  2889.             carla_copyStruct<EngineTimeInfo>(fLastTimeInfo, timeInfo);

  2890.         }

  2891. 

  2892.         // --------------------------------------------------------------------------------------------------------

  2893.         // Event Input and Processing

  2894. 

  2895.         if (fEventsIn.ctrl != nullptr)

  2896.         {

  2897.             // ----------------------------------------------------------------------------------------------------

  2898.             // Message Input

  2899. 

  2900.             if (fAtomBufferIn.tryLock())

  2901.             {

  2902.                 if (fAtomBufferIn.isDataAvailableForReading())

  2903.                 {

  2904.                     const LV2_Atom* atom;

  2905.                     uint32_t j, portIndex;

  2906. 

  2907.                     for (; fAtomBufferIn.get(atom, portIndex);)

  2908.                     {

  2909.                         j = (portIndex < fEventsIn.count) ? portIndex : fEventsIn.ctrlIndex;

  2910. 

  2911.                         if (atom->type == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  2912.                         {

  2913.                             CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work_response != nullptr);

  2914.                             fExt.worker->work_response(fHandle, atom->size, LV2_ATOM_BODY_CONST(atom));

  2915.                         }

  2916.                         else if (! lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom)))

  2917.                         {

  2918.                             carla_stdout("Event input buffer full, at least 1 message lost");

  2919.                             continue;

  2920.                         }

  2921.                     }

  2922.                 }

  2923. 

  2924.                 fAtomBufferIn.unlock();

  2925.             }

  2926. 

  2927.             // ----------------------------------------------------------------------------------------------------

  2928.             // MIDI Input (External)

  2929. 

  2930.             if (pData->extNotes.mutex.tryLock())

  2931.             {

  2932.                 if ((fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) == 0)

  2933.                 {

  2934.                     // does not handle MIDI

  2935.                     pData->extNotes.data.clear();

  2936.                 }

  2937.                 else

  2938.                 {

  2939.                     const uint32_t j = fEventsIn.ctrlIndex;

  2940. 

  2941.                     for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin(); it.valid(); it.next())

  2942.                     {

  2943.                         const ExternalMidiNote& note(it.getValue());

  2944. 

  2945.                         CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  2946. 

  2947.                         uint8_t midiEvent[3];

  2948.                         midiEvent[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  2949.                         midiEvent[1] = note.note;

  2950.                         midiEvent[2] = note.velo;

  2951. 

  2952.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2953.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2954. 

  2955.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2956.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2957. 

  2958.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2959.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiEvent);

  2960.                     }

  2961. 

  2962.                     pData->extNotes.data.clear();

  2963.                 }

  2964. 

  2965.                 pData->extNotes.mutex.unlock();

  2966. 

  2967.             } // End of MIDI Input (External)

  2968. 

  2969.             // ----------------------------------------------------------------------------------------------------

  2970.             // Event Input (System)

  2971. 

  2972. #ifndef BUILD_BRIDGE

  2973.             bool allNotesOffSent  = false;

  2974. #endif

  2975.             bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  2976. 

  2977.             uint32_t startTime  = 0;

  2978.             uint32_t timeOffset = 0;

  2979.             uint32_t nextBankId;

  2980. 

  2981.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  2982.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  2983.             else

  2984.                 nextBankId = 0;

  2985. 

  2986.             const uint32_t numEvents = (fEventsIn.ctrl->port != nullptr) ? fEventsIn.ctrl->port->getEventCount() : 0;

  2987. 

  2988.             for (uint32_t i=0; i < numEvents; ++i)

  2989.             {

  2990.                 const EngineEvent& event(fEventsIn.ctrl->port->getEvent(i));

  2991. 

  2992.                 if (event.time >= frames)

  2993.                     continue;

  2994. 

  2995.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  2996. 

  2997.                 if (isSampleAccurate && event.time > timeOffset)

  2998.                 {

  2999.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  3000.                     {

  3001.                         startTime  = 0;

  3002.                         timeOffset = event.time;

  3003. 

  3004.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  3005.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  3006.                         else

  3007.                             nextBankId = 0;

  3008. 

  3009.                         // reset iters

  3010.                         const uint32_t j = fEventsIn.ctrlIndex;

  3011. 

  3012.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3013.                         {

  3014.                             lv2_atom_buffer_reset(fEventsIn.data[j].atom, true);

  3015.                             lv2_atom_buffer_begin(&evInAtomIters[j], fEventsIn.data[j].atom);

  3016.                         }

  3017.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3018.                         {

  3019.                             lv2_event_buffer_reset(fEventsIn.data[j].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[j].event->data);

  3020.                             lv2_event_begin(&evInEventIters[j], fEventsIn.data[j].event);

  3021.                         }

  3022.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3023.                         {

  3024.                             fEventsIn.data[j].midi.event_count = 0;

  3025.                             fEventsIn.data[j].midi.size        = 0;

  3026.                             evInMidiStates[j].position = event.time;

  3027.                         }

  3028.                     }

  3029.                     else

  3030.                         startTime += timeOffset;

  3031.                 }

  3032. 

  3033.                 switch (event.type)

  3034.                 {

  3035.                 case kEngineEventTypeNull:

  3036.                     break;

  3037. 

  3038.                 case kEngineEventTypeControl: {

  3039.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  3040. 

  3041.                     switch (ctrlEvent.type)

  3042.                     {

  3043.                     case kEngineControlEventTypeNull:

  3044.                         break;

  3045. 

  3046.                     case kEngineControlEventTypeParameter: {

  3047. #ifndef BUILD_BRIDGE

  3048.                         // Control backend stuff

  3049.                         if (event.channel == pData->ctrlChannel)

  3050.                         {

  3051.                             float value;

  3052. 

  3053.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  3054.                             {

  3055.                                 value = ctrlEvent.value;

  3056.                                 setDryWet(value, false, false);

  3057.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  3058.                                 break;

  3059.                             }

  3060. 

  3061.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  3062.                             {

  3063.                                 value = ctrlEvent.value*127.0f/100.0f;

  3064.                                 setVolume(value, false, false);

  3065.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  3066.                                 break;

  3067.                             }

  3068. 

  3069.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  3070.                             {

  3071.                                 float left, right;

  3072.                                 value = ctrlEvent.value/0.5f - 1.0f;

  3073. 

  3074.                                 if (value < 0.0f)

  3075.                                 {

  3076.                                     left  = -1.0f;

  3077.                                     right = (value*2.0f)+1.0f;

  3078.                                 }

  3079.                                 else if (value > 0.0f)

  3080.                                 {

  3081.                                     left  = (value*2.0f)-1.0f;

  3082.                                     right = 1.0f;

  3083.                                 }

  3084.                                 else

  3085.                                 {

  3086.                                     left  = -1.0f;

  3087.                                     right = 1.0f;

  3088.                                 }

  3089. 

  3090.                                 setBalanceLeft(left, false, false);

  3091.                                 setBalanceRight(right, false, false);

  3092.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  3093.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  3094.                                 break;

  3095.                             }

  3096.                         }

  3097. #endif

  3098.                         // Control plugin parameters

  3099.                         uint32_t k;

  3100.                         for (k=0; k < pData->param.count; ++k)

  3101.                         {

  3102.                             if (pData->param.data[k].midiChannel != event.channel)

  3103.                                 continue;

  3104.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  3105.                                 continue;

  3106.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  3107.                                 continue;

  3108.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  3109.                                 continue;

  3110. 

  3111.                             float value;

  3112. 

  3113.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  3114.                             {

  3115.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  3116.                             }

  3117.                             else

  3118.                             {

  3119.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  3120. 

  3121.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  3122.                                     value = std::rint(value);

  3123.                             }

  3124. 

  3125.                             setParameterValue(k, value, false, false, false);

  3126.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  3127.                             break;

  3128.                         }

  3129. 

  3130.                         // check if event is already handled

  3131.                         if (k != pData->param.count)

  3132.                             break;

  3133. 

  3134.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  3135.                         {

  3136.                             uint8_t midiData[3];

  3137.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3138.                             midiData[1] = uint8_t(ctrlEvent.param);

  3139.                             midiData[2] = uint8_t(ctrlEvent.value*127.0f);

  3140. 

  3141.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3142. 

  3143.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3144.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3145. 

  3146.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3147.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3148. 

  3149.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3150.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3151.                         }

  3152.                         break;

  3153.                     } // case kEngineControlEventTypeParameter

  3154. 

  3155.                     case kEngineControlEventTypeMidiBank:

  3156.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  3157.                         {

  3158.                             if (event.channel == pData->ctrlChannel)

  3159.                                 nextBankId = ctrlEvent.param;

  3160.                         }

  3161.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  3162.                         {

  3163.                             uint8_t midiData[3];

  3164.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3165.                             midiData[1] = MIDI_CONTROL_BANK_SELECT;

  3166.                             midiData[2] = uint8_t(ctrlEvent.param);

  3167. 

  3168.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3169. 

  3170.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3171.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3172. 

  3173.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3174.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3175. 

  3176.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3177.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3178.                         }

  3179.                         break;

  3180. 

  3181.                     case kEngineControlEventTypeMidiProgram:

  3182.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  3183.                         {

  3184.                             if (event.channel == pData->ctrlChannel)

  3185.                             {

  3186.                                 const uint32_t nextProgramId = ctrlEvent.param;

  3187. 

  3188.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  3189.                                 {

  3190.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  3191.                                     {

  3192.                                         const int32_t index(static_cast<int32_t>(k));

  3193.                                         setMidiProgram(index, false, false, false);

  3194.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  3195.                                         break;

  3196.                                     }

  3197.                                 }

  3198.                             }

  3199.                         }

  3200.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  3201.                         {

  3202.                             uint8_t midiData[2];

  3203.                             midiData[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3204.                             midiData[1] = uint8_t(ctrlEvent.param);

  3205. 

  3206.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3207. 

  3208.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3209.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiData);

  3210. 

  3211.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3212.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiData);

  3213. 

  3214.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3215.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 2, midiData);

  3216.                         }

  3217.                         break;

  3218. 

  3219.                     case kEngineControlEventTypeAllSoundOff:

  3220.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  3221.                         {

  3222.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3223. 

  3224.                             uint8_t midiData[3];

  3225.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3226.                             midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  3227.                             midiData[2] = 0;

  3228. 

  3229.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3230.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3231. 

  3232.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3233.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3234. 

  3235.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3236.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3237.                         }

  3238.                         break;

  3239. 

  3240.                     case kEngineControlEventTypeAllNotesOff:

  3241.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  3242.                         {

  3243. #ifndef BUILD_BRIDGE

  3244.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  3245.                             {

  3246.                                 allNotesOffSent = true;

  3247.                                 sendMidiAllNotesOffToCallback();

  3248.                             }

  3249. #endif

  3250. 

  3251.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3252. 

  3253.                             uint8_t midiData[3];

  3254.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3255.                             midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  3256.                             midiData[2] = 0;

  3257. 

  3258.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3259.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3260. 

  3261.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3262.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3263. 

  3264.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3265.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3266.                         }

  3267.                         break;

  3268.                     } // switch (ctrlEvent.type)

  3269.                     break;

  3270.                 } // case kEngineEventTypeControl

  3271. 

  3272.                 case kEngineEventTypeMidi: {

  3273.                     const EngineMidiEvent& midiEvent(event.midi);

  3274. 

  3275.                     const uint8_t* const midiData(midiEvent.size > EngineMidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data);

  3276. 

  3277.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiData));

  3278. 

  3279.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  3280.                         continue;

  3281.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  3282.                         continue;

  3283.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  3284.                         continue;

  3285.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  3286.                         continue;

  3287. 

  3288.                     // Fix bad note-off (per LV2 spec)

  3289.                     if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0)

  3290.                         status = MIDI_STATUS_NOTE_OFF;

  3291. 

  3292.                     const uint32_t j     = fEventsIn.ctrlIndex;

  3293.                     const uint32_t mtime = isSampleAccurate ? startTime : event.time;

  3294. 

  3295.                     // put back channel in data

  3296.                     uint8_t midiData2[midiEvent.size];

  3297.                     midiData2[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  3298.                     std::memcpy(midiData2+1, midiData+1, static_cast<std::size_t>(midiEvent.size-1));

  3299. 

  3300.                     if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3301.                         lv2_atom_buffer_write(&evInAtomIters[j], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, midiEvent.size, midiData2);

  3302. 

  3303.                     else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3304.                         lv2_event_write(&evInEventIters[j], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, midiEvent.size, midiData2);

  3305. 

  3306.                     else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3307.                         lv2midi_put_event(&evInMidiStates[j], mtime, midiEvent.size, midiData2);

  3308. 

  3309.                     if (status == MIDI_STATUS_NOTE_ON)

  3310.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiData[1], midiData[2]);

  3311.                     else if (status == MIDI_STATUS_NOTE_OFF)

  3312.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiData[1], 0.0f);

  3313.                 } break;

  3314.                 } // switch (event.type)

  3315.             }

  3316. 

  3317.             pData->postRtEvents.trySplice();

  3318. 

  3319.             if (frames > timeOffset)

  3320.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  3321. 

  3322.         } // End of Event Input and Processing

  3323. 

  3324.         // --------------------------------------------------------------------------------------------------------

  3325.         // Plugin processing (no events)

  3326. 

  3327.         else

  3328.         {

  3329.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  3330. 

  3331.         } // End of Plugin processing (no events)

  3332. 

  3333. #ifndef BUILD_BRIDGE

  3334.         // --------------------------------------------------------------------------------------------------------

  3335.         // Latency, save values for next callback

  3336. 

  3337.         if (fLatencyIndex != -1)

  3338.         {

  3339.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  3340.             {

  3341.                 fLatencyChanged = true;

  3342.             }

  3343.             else if (pData->latency > 0)

  3344.             {

  3345.                 if (pData->latency <= frames)

  3346.                 {

  3347.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3348.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  3349.                 }

  3350.                 else

  3351.                 {

  3352.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  3353.                     {

  3354.                         for (k=0; k < pData->latency-frames; ++k)

  3355.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  3356.                         for (j=0; k < pData->latency; ++j, ++k)

  3357.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  3358.                     }

  3359.                 }

  3360.             }

  3361.         }

  3362. #endif

  3363. 

  3364.         // --------------------------------------------------------------------------------------------------------

  3365.         // MIDI Output

  3366. 

  3367.         if (fEventsOut.ctrl != nullptr)

  3368.         {

  3369.             if (fEventsOut.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3370.             {

  3371.                 const LV2_Atom_Event* ev;

  3372.                 LV2_Atom_Buffer_Iterator iter;

  3373. 

  3374.                 uint8_t* data;

  3375.                 lv2_atom_buffer_begin(&iter, fEventsOut.ctrl->atom);

  3376. 

  3377.                 for (;;)

  3378.                 {

  3379.                     data = nullptr;

  3380.                     ev = lv2_atom_buffer_get(&iter, &data);

  3381. 

  3382.                     if (ev == nullptr || ev->body.size == 0 || data == nullptr)

  3383.                         break;

  3384. 

  3385.                     if (ev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  3386.                     {

  3387.                         if (fEventsOut.ctrl->port != nullptr)

  3388.                         {

  3389.                             CARLA_SAFE_ASSERT_CONTINUE(ev->time.frames >= 0);

  3390.                             CARLA_SAFE_ASSERT_CONTINUE(ev->body.size < 0xFF);

  3391.                             fEventsOut.ctrl->port->writeMidiEvent(static_cast<uint32_t>(ev->time.frames), static_cast<uint8_t>(ev->body.size), data);

  3392.                         }

  3393.                     }

  3394.                     else //if (ev->body.type == CARLA_URI_MAP_ID_ATOM_BLANK)

  3395.                     {

  3396.                         //carla_stdout("Got out event, %s", carla_lv2_urid_unmap(this, ev->body.type));

  3397.                         fAtomBufferOut.put(&ev->body, fEventsOut.ctrl->rindex);

  3398.                     }

  3399. 

  3400.                     lv2_atom_buffer_increment(&iter);

  3401.                 }

  3402.             }

  3403.             else if ((fEventsOut.ctrl->type & CARLA_EVENT_DATA_EVENT) != 0 && fEventsOut.ctrl->port != nullptr)

  3404.             {

  3405.                 const LV2_Event* ev;

  3406.                 LV2_Event_Iterator iter;

  3407. 

  3408.                 uint8_t* data;

  3409.                 lv2_event_begin(&iter, fEventsOut.ctrl->event);

  3410. 

  3411.                 for (;;)

  3412.                 {

  3413.                     data = nullptr;

  3414.                     ev = lv2_event_get(&iter, &data);

  3415. 

  3416.                     if (ev == nullptr || data == nullptr)

  3417.                         break;

  3418. 

  3419.                     if (ev->type == CARLA_URI_MAP_ID_MIDI_EVENT)

  3420.                     {

  3421.                         CARLA_SAFE_ASSERT_CONTINUE(ev->size < 0xFF);

  3422.                         fEventsOut.ctrl->port->writeMidiEvent(ev->frames, static_cast<uint8_t>(ev->size), data);

  3423.                     }

  3424. 

  3425.                     lv2_event_increment(&iter);

  3426.                 }

  3427.             }

  3428.             else if ((fEventsOut.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) != 0 && fEventsOut.ctrl->port != nullptr)

  3429.             {

  3430.                 LV2_MIDIState state = { &fEventsOut.ctrl->midi, frames, 0 };

  3431. 

  3432.                 uint32_t eventSize;

  3433.                 double   eventTime;

  3434.                 uchar* eventData;

  3435. 

  3436.                 for (;;)

  3437.                 {

  3438.                     eventSize = 0;

  3439.                     eventTime = 0.0;

  3440.                     eventData = nullptr;

  3441.                     lv2midi_get_event(&state, &eventTime, &eventSize, &eventData);

  3442. 

  3443.                     if (eventData == nullptr || eventSize == 0)

  3444.                         break;

  3445. 

  3446.                     CARLA_SAFE_ASSERT_CONTINUE(eventSize < 0xFF);

  3447.                     CARLA_SAFE_ASSERT_CONTINUE(eventTime >= 0.0);

  3448. 

  3449.                     fEventsOut.ctrl->port->writeMidiEvent(static_cast<uint32_t>(eventTime), static_cast<uint8_t>(eventSize), eventData);

  3450.                     lv2midi_step(&state);

  3451.                 }

  3452.             }

  3453.         }

  3454. 

  3455. #ifndef BUILD_BRIDGE

  3456.         // --------------------------------------------------------------------------------------------------------

  3457.         // Control Output

  3458. 

  3459.         if (pData->event.portOut != nullptr)

  3460.         {

  3461.             uint8_t  channel;

  3462.             uint16_t param;

  3463.             float    value;

  3464. 

  3465.             for (uint32_t k=0; k < pData->param.count; ++k)

  3466.             {

  3467.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  3468.                     continue;

  3469. 

  3470.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  3471. 

  3472.                 if (pData->param.data[k].midiCC > 0)

  3473.                 {

  3474.                     channel = pData->param.data[k].midiChannel;

  3475.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  3476.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  3477.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  3478.                 }

  3479.             }

  3480.         } // End of Control Output

  3481. #endif

  3482. 

  3483.         // --------------------------------------------------------------------------------------------------------

  3484.         // Final work

  3485. 

  3486.         if (fExt.worker != nullptr && fExt.worker->end_run != nullptr)

  3487.         {

  3488.             fExt.worker->end_run(fHandle);

  3489. 

  3490.             if (fHandle2 != nullptr)

  3491.                 fExt.worker->end_run(fHandle2);

  3492.         }

  3493. 

  3494.         fFirstActive = false;

  3495. 

  3496.         // --------------------------------------------------------------------------------------------------------

  3497.     }

  3498. 

  3499.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  3500.     {

  3501.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  3502. 

  3503.         if (pData->audioIn.count > 0)

  3504.         {

  3505.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  3506.         }

  3507.         if (pData->audioOut.count > 0)

  3508.         {

  3509.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  3510.         }

  3511.         if (pData->cvIn.count > 0)

  3512.         {

  3513.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  3514.         }

  3515.         if (pData->cvOut.count > 0)

  3516.         {

  3517.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  3518.         }

  3519. 

  3520.         // --------------------------------------------------------------------------------------------------------

  3521.         // Try lock, silence otherwise

  3522. 

  3523.         if (pData->engine->isOffline())

  3524.         {

  3525.             pData->singleMutex.lock();

  3526.         }

  3527.         else if (! pData->singleMutex.tryLock())

  3528.         {

  3529.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3530.             {

  3531.                 for (uint32_t k=0; k < frames; ++k)

  3532.                     audioOut[i][k+timeOffset] = 0.0f;

  3533.             }

  3534.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3535.             {

  3536.                 for (uint32_t k=0; k < frames; ++k)

  3537.                     cvOut[i][k+timeOffset] = 0.0f;

  3538.             }

  3539. 

  3540.             return false;

  3541.         }

  3542. 

  3543.         // --------------------------------------------------------------------------------------------------------

  3544.         // Set audio buffers

  3545. 

  3546.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3547.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  3548. 

  3549.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3550.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  3551. 

  3552.         // --------------------------------------------------------------------------------------------------------

  3553.         // Set CV buffers

  3554. 

  3555.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3556.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  3557. 

  3558.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3559.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  3560. 

  3561.         // --------------------------------------------------------------------------------------------------------

  3562.         // Run plugin

  3563. 

  3564.         fDescriptor->run(fHandle, frames);

  3565. 

  3566.         if (fHandle2 != nullptr)

  3567.             fDescriptor->run(fHandle2, frames);

  3568. 

  3569.         // --------------------------------------------------------------------------------------------------------

  3570.         // Handle trigger parameters

  3571. 

  3572.         for (uint32_t k=0; k < pData->param.count; ++k)

  3573.         {

  3574.             if (pData->param.data[k].type != PARAMETER_INPUT)

  3575.                 continue;

  3576. 

  3577.             if (pData->param.data[k].hints & PARAMETER_IS_TRIGGER)

  3578.             {

  3579.                 if (! carla_compareFloats(fParamBuffers[k], pData->param.ranges[k].def))

  3580.                 {

  3581.                     fParamBuffers[k] = pData->param.ranges[k].def;

  3582.                     pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, fParamBuffers[k]);

  3583.                 }

  3584.             }

  3585.         }

  3586. 

  3587.         pData->postRtEvents.trySplice();

  3588. 

  3589. #ifndef BUILD_BRIDGE

  3590.         // --------------------------------------------------------------------------------------------------------

  3591.         // Post-processing (dry/wet, volume and balance)

  3592. 

  3593.         {

  3594.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  3595.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  3596.             const bool isMono    = (pData->audioIn.count == 1);

  3597. 

  3598.             bool isPair;

  3599.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  3600. 

  3601.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3602.             {

  3603.                 // Dry/Wet

  3604.                 if (doDryWet)

  3605.                 {

  3606.                     for (uint32_t k=0; k < frames; ++k)

  3607.                     {

  3608.                         if (k < pData->latency)

  3609.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  3610.                         else if (pData->latency < frames)

  3611.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  3612.                         else

  3613.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  3614. 

  3615.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  3616.                     }

  3617.                 }

  3618. 

  3619.                 // Balance

  3620.                 if (doBalance)

  3621.                 {

  3622.                     isPair = (i % 2 == 0);

  3623. 

  3624.                     if (isPair)

  3625.                     {

  3626.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  3627.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  3628.                     }

  3629. 

  3630.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  3631.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  3632. 

  3633.                     for (uint32_t k=0; k < frames; ++k)

  3634.                     {

  3635.                         if (isPair)

  3636.                         {

  3637.                             // left

  3638.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  3639.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  3640.                         }

  3641.                         else

  3642.                         {

  3643.                             // right

  3644.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  3645.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  3646.                         }

  3647.                     }

  3648.                 }

  3649. 

  3650.                 // Volume (and buffer copy)

  3651.                 {

  3652.                     for (uint32_t k=0; k < frames; ++k)

  3653.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  3654.                 }

  3655.             }

  3656.         } // End of Post-processing

  3657. 

  3658. #else // BUILD_BRIDGE

  3659.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3660.         {

  3661.             for (uint32_t k=0; k < frames; ++k)

  3662.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  3663.         }

  3664. #endif

  3665. 

  3666.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3667.         {

  3668.             for (uint32_t k=0; k < frames; ++k)

  3669.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  3670.         }

  3671. 

  3672.         // --------------------------------------------------------------------------------------------------------

  3673. 

  3674.         pData->singleMutex.unlock();

  3675.         return true;

  3676.     }

  3677. 

  3678.     void bufferSizeChanged(const uint32_t newBufferSize) override

  3679.     {

  3680.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  3681.         carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - start", newBufferSize);

  3682. 

  3683.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3684.         {

  3685.             if (fAudioInBuffers[i] != nullptr)

  3686.                 delete[] fAudioInBuffers[i];

  3687.             fAudioInBuffers[i] = new float[newBufferSize];

  3688.         }

  3689. 

  3690.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3691.         {

  3692.             if (fAudioOutBuffers[i] != nullptr)

  3693.                 delete[] fAudioOutBuffers[i];

  3694.             fAudioOutBuffers[i] = new float[newBufferSize];

  3695.         }

  3696. 

  3697.         if (fHandle2 == nullptr)

  3698.         {

  3699.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3700.             {

  3701.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  3702.                 fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  3703.             }

  3704. 

  3705.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3706.             {

  3707.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  3708.                 fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  3709.             }

  3710.         }

  3711.         else

  3712.         {

  3713.             if (pData->audioIn.count > 0)

  3714.             {

  3715.                 CARLA_ASSERT(pData->audioIn.count == 2);

  3716.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  3717.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  3718. 

  3719.                 fDescriptor->connect_port(fHandle,  pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  3720.                 fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  3721.             }

  3722. 

  3723.             if (pData->audioOut.count > 0)

  3724.             {

  3725.                 CARLA_ASSERT(pData->audioOut.count == 2);

  3726.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  3727.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  3728. 

  3729.                 fDescriptor->connect_port(fHandle,  pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  3730.                 fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  3731.             }

  3732.         }

  3733. 

  3734.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3735.         {

  3736.             if (fCvInBuffers[i] != nullptr)

  3737.                 delete[] fCvInBuffers[i];

  3738.             fCvInBuffers[i] = new float[newBufferSize];

  3739. 

  3740.             fDescriptor->connect_port(fHandle, pData->cvIn.ports[i].rindex, fCvInBuffers[i]);

  3741. 

  3742.             if (fHandle2 != nullptr)

  3743.                 fDescriptor->connect_port(fHandle2, pData->cvIn.ports[i].rindex, fCvInBuffers[i]);

  3744.         }

  3745. 

  3746.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3747.         {

  3748.             if (fCvOutBuffers[i] != nullptr)

  3749.                 delete[] fCvOutBuffers[i];

  3750.             fCvOutBuffers[i] = new float[newBufferSize];

  3751. 

  3752.             fDescriptor->connect_port(fHandle, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]);

  3753. 

  3754.             if (fHandle2 != nullptr)

  3755.                 fDescriptor->connect_port(fHandle2, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]);

  3756.         }

  3757. 

  3758.         const int newBufferSizeInt(static_cast<int>(newBufferSize));

  3759. 

  3760.         if (fLv2Options.maxBufferSize != newBufferSizeInt || (fLv2Options.minBufferSize != 1 && fLv2Options.minBufferSize != newBufferSizeInt))

  3761.         {

  3762.             fLv2Options.maxBufferSize = newBufferSizeInt;

  3763. 

  3764.             if (fLv2Options.minBufferSize != 1)

  3765.                 fLv2Options.minBufferSize = newBufferSizeInt;

  3766. 

  3767.             if (fExt.options != nullptr && fExt.options->set != nullptr)

  3768.             {

  3769.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MaxBlockLenth]);

  3770.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MinBlockLenth]);

  3771.             }

  3772.         }

  3773. 

  3774.         carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - end", newBufferSize);

  3775.     }

  3776. 

  3777.     void sampleRateChanged(const double newSampleRate) override

  3778.     {

  3779.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  3780.         carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - start", newSampleRate);

  3781. 

  3782.         if (! carla_compareFloats(fLv2Options.sampleRate, newSampleRate))

  3783.         {

  3784.             fLv2Options.sampleRate = newSampleRate;

  3785. 

  3786.             if (fExt.options != nullptr && fExt.options->set != nullptr)

  3787.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::SampleRate]);

  3788.         }

  3789. 

  3790.         for (uint32_t k=0; k < pData->param.count; ++k)

  3791.         {

  3792.             if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_SAMPLE_RATE)

  3793.             {

  3794.                 fParamBuffers[k] = static_cast<float>(newSampleRate);

  3795.                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  3796.                 break;

  3797.             }

  3798.         }

  3799. 

  3800.         carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - end", newSampleRate);

  3801.     }

  3802. 

  3803.     void offlineModeChanged(const bool isOffline) override

  3804.     {

  3805.         for (uint32_t k=0; k < pData->param.count; ++k)

  3806.         {

  3807.             if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_FREEWHEEL)

  3808.             {

  3809.                 fParamBuffers[k] = isOffline ? pData->param.ranges[k].max : pData->param.ranges[k].min;

  3810.                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  3811.                 break;

  3812.             }

  3813.         }

  3814.     }

  3815. 

  3816.     // -------------------------------------------------------------------

  3817.     // Plugin buffers

  3818. 

  3819.     void initBuffers() const noexcept override

  3820.     {

  3821.         fEventsIn.initBuffers();

  3822.         fEventsOut.initBuffers();

  3823. 

  3824.         CarlaPlugin::initBuffers();

  3825.     }

  3826. 

  3827.     void clearBuffers() noexcept override

  3828.     {

  3829.         carla_debug("CarlaPluginLV2::clearBuffers() - start");

  3830. 

  3831.         if (fAudioInBuffers != nullptr)

  3832.         {

  3833.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3834.             {

  3835.                 if (fAudioInBuffers[i] != nullptr)

  3836.                 {

  3837.                     delete[] fAudioInBuffers[i];

  3838.                     fAudioInBuffers[i] = nullptr;

  3839.                 }

  3840.             }

  3841. 

  3842.             delete[] fAudioInBuffers;

  3843.             fAudioInBuffers = nullptr;

  3844.         }

  3845. 

  3846.         if (fAudioOutBuffers != nullptr)

  3847.         {

  3848.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3849.             {

  3850.                 if (fAudioOutBuffers[i] != nullptr)

  3851.                 {

  3852.                     delete[] fAudioOutBuffers[i];

  3853.                     fAudioOutBuffers[i] = nullptr;

  3854.                 }

  3855.             }

  3856. 

  3857.             delete[] fAudioOutBuffers;

  3858.             fAudioOutBuffers = nullptr;

  3859.         }

  3860. 

  3861.         if (fCvInBuffers != nullptr)

  3862.         {

  3863.             for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3864.             {

  3865.                 if (fCvInBuffers[i] != nullptr)

  3866.                 {

  3867.                     delete[] fCvInBuffers[i];

  3868.                     fCvInBuffers[i] = nullptr;

  3869.                 }

  3870.             }

  3871. 

  3872.             delete[] fCvInBuffers;

  3873.             fCvInBuffers = nullptr;

  3874.         }

  3875. 

  3876.         if (fCvOutBuffers != nullptr)

  3877.         {

  3878.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3879.             {

  3880.                 if (fCvOutBuffers[i] != nullptr)

  3881.                 {

  3882.                     delete[] fCvOutBuffers[i];

  3883.                     fCvOutBuffers[i] = nullptr;

  3884.                 }

  3885.             }

  3886. 

  3887.             delete[] fCvOutBuffers;

  3888.             fCvOutBuffers = nullptr;

  3889.         }

  3890. 

  3891.         if (fParamBuffers != nullptr)

  3892.         {

  3893.             delete[] fParamBuffers;

  3894.             fParamBuffers = nullptr;

  3895.         }

  3896. 

  3897.         fEventsIn.clear();

  3898.         fEventsOut.clear();

  3899. 

  3900.         CarlaPlugin::clearBuffers();

  3901. 

  3902.         carla_debug("CarlaPluginLV2::clearBuffers() - end");

  3903.     }

  3904. 

  3905.     // -------------------------------------------------------------------

  3906.     // Post-poned UI Stuff

  3907. 

  3908.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  3909.     {

  3910.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3911.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  3912. 

  3913.         if (fUI.type == UI::TYPE_BRIDGE)

  3914.         {

  3915.             if (fPipeServer.isPipeRunning())

  3916.                 fPipeServer.writeControlMessage(static_cast<uint32_t>(pData->param.data[index].rindex), value);

  3917.         }

  3918.         else

  3919.         {

  3920.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr)

  3921.             {

  3922.                 CARLA_SAFE_ASSERT_RETURN(pData->param.data[index].rindex >= 0,);

  3923.                 fUI.descriptor->port_event(fUI.handle, static_cast<uint32_t>(pData->param.data[index].rindex), sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  3924.             }

  3925.         }

  3926.     }

  3927. 

  3928.     void uiMidiProgramChange(const uint32_t index) noexcept override

  3929.     {

  3930.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3931.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  3932. 

  3933.         if (fUI.type == UI::TYPE_BRIDGE)

  3934.         {

  3935.             if (fPipeServer.isPipeRunning())

  3936.                 fPipeServer.writeProgramMessage(index);

  3937.         }

  3938.         else

  3939.         {

  3940.             if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program != nullptr)

  3941.                 fExt.uiprograms->select_program(fUI.handle, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  3942.         }

  3943.     }

  3944. 

  3945.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  3946.     {

  3947.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3948.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  3949.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  3950.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  3951. 

  3952.         if (fUI.type == UI::TYPE_BRIDGE)

  3953.         {

  3954.             if (fPipeServer.isPipeRunning())

  3955.                 fPipeServer.writeMidiNoteMessage(false, channel, note, velo);

  3956.         }

  3957.         else

  3958.         {

  3959.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr)

  3960.             {

  3961.                 LV2_Atom_MidiEvent midiEv;

  3962.                 midiEv.atom.type = CARLA_URI_MAP_ID_MIDI_EVENT;

  3963.                 midiEv.atom.size = 3;

  3964.                 midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  3965.                 midiEv.data[1] = note;

  3966.                 midiEv.data[2] = velo;

  3967. 

  3968.                 fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, &midiEv);

  3969.             }

  3970.         }

  3971.     }

  3972. 

  3973.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  3974.     {

  3975.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3976.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  3977.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  3978. 

  3979.         if (fUI.type == UI::TYPE_BRIDGE)

  3980.         {

  3981.             if (fPipeServer.isPipeRunning())

  3982.                 fPipeServer.writeMidiNoteMessage(false, channel, note, 0);

  3983.         }

  3984.         else

  3985.         {

  3986.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr)

  3987.             {

  3988.                 LV2_Atom_MidiEvent midiEv;

  3989.                 midiEv.atom.type = CARLA_URI_MAP_ID_MIDI_EVENT;

  3990.                 midiEv.atom.size = 3;

  3991.                 midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (channel & MIDI_CHANNEL_BIT));

  3992.                 midiEv.data[1] = note;

  3993.                 midiEv.data[2] = 0;

  3994. 

  3995.                 fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, &midiEv);

  3996.             }

  3997.         }

  3998.     }

  3999. 

  4000.     // -------------------------------------------------------------------

  4001. 

  4002.     bool isRealtimeSafe() const noexcept

  4003.     {

  4004.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

  4005. 

  4006.         for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i)

  4007.         {

  4008.             if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_CORE__hardRTCapable) == 0)

  4009.                 return true;

  4010.         }

  4011. 

  4012.         return false;

  4013.     }

  4014. 

  4015.     bool needsFixedBuffer() const noexcept

  4016.     {

  4017.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

  4018. 

  4019.         for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i)

  4020.         {

  4021.             if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_BUF_SIZE__fixedBlockLength) == 0)

  4022.                 return true;

  4023.         }

  4024. 

  4025.         return false;

  4026.     }

  4027. 

  4028.     // -------------------------------------------------------------------

  4029. 

  4030.     bool isUiBridgeable(const uint32_t uiId) const noexcept

  4031.     {

  4032.         CARLA_SAFE_ASSERT_RETURN(uiId < fRdfDescriptor->UICount, false);

  4033. 

  4034. #ifndef LV2_UIS_ONLY_INPROCESS

  4035.         const LV2_RDF_UI* const rdfUI(&fRdfDescriptor->UIs[uiId]);

  4036. 

  4037.         if (std::strstr(rdfUI->URI, "http://calf.sourceforge.net/plugins/gui/") != nullptr)

  4038.             return false;

  4039. 

  4040.         for (uint32_t i=0; i < rdfUI->FeatureCount; ++i)

  4041.         {

  4042.             if (std::strcmp(rdfUI->Features[i].URI, LV2_INSTANCE_ACCESS_URI) == 0)

  4043.                 return false;

  4044.             if (std::strcmp(rdfUI->Features[i].URI, LV2_DATA_ACCESS_URI) == 0)

  4045.                 return false;

  4046.         }

  4047. 

  4048.         return true;

  4049. #else

  4050.         return false;

  4051. #endif

  4052.     }

  4053. 

  4054.     bool isUiResizable() const noexcept

  4055.     {

  4056.         CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr, false);

  4057. 

  4058.         for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i)

  4059.         {

  4060.             if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__fixedSize) == 0)

  4061.                 return false;

  4062.             if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  4063.                 return false;

  4064.         }

  4065. 

  4066.         return true;

  4067.     }

  4068. 

  4069.     const char* getUiBridgeBinary(const LV2_Property type) const

  4070.     {

  4071.         CarlaString bridgeBinary(pData->engine->getOptions().binaryDir);

  4072. 

  4073.         if (bridgeBinary.isEmpty())

  4074.             return nullptr;

  4075. 

  4076.         switch (type)

  4077.         {

  4078.         case LV2_UI_GTK2:

  4079.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk2";

  4080.             break;

  4081.         case LV2_UI_GTK3:

  4082.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk3";

  4083.             break;

  4084.         case LV2_UI_QT4:

  4085.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt4";

  4086.             break;

  4087.         case LV2_UI_QT5:

  4088.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt5";

  4089.             break;

  4090.         case LV2_UI_COCOA:

  4091.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-cocoa";

  4092.             break;

  4093.         case LV2_UI_WINDOWS:

  4094.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-windows";

  4095.             break;

  4096.         case LV2_UI_X11:

  4097.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-x11";

  4098.             break;

  4099.         case LV2_UI_EXTERNAL:

  4100.         case LV2_UI_OLD_EXTERNAL:

  4101.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-external";

  4102.             break;

  4103.         case LV2_UI_MOD:

  4104.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-modgui";

  4105.             break;

  4106.         default:

  4107.             return nullptr;

  4108.         }

  4109. 

  4110. #ifdef CARLA_OS_WIN

  4111.         bridgeBinary += ".exe";

  4112. #endif

  4113. 

  4114.         if (! File(bridgeBinary.buffer()).existsAsFile())

  4115.             return nullptr;

  4116. 

  4117.         return bridgeBinary.dup();

  4118.     }

  4119. 

  4120.     // -------------------------------------------------------------------

  4121. 

  4122.     void recheckExtensions()

  4123.     {

  4124.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  4125.         carla_debug("CarlaPluginLV2::recheckExtensions()");

  4126. 

  4127.         fExt.options  = nullptr;

  4128.         fExt.programs = nullptr;

  4129.         fExt.state    = nullptr;

  4130.         fExt.worker   = nullptr;

  4131. 

  4132.         if (fRdfDescriptor->ExtensionCount == 0 || fDescriptor->extension_data == nullptr)

  4133.             return;

  4134. 

  4135.         for (uint32_t i=0; i < fRdfDescriptor->ExtensionCount; ++i)

  4136.         {

  4137.             CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->Extensions[i] != nullptr);

  4138. 

  4139.             if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_OPTIONS__interface) == 0)

  4140.                 pData->hints |= PLUGIN_HAS_EXTENSION_OPTIONS;

  4141.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  4142.                 pData->hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  4143.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_STATE__interface) == 0)

  4144.                 pData->hints |= PLUGIN_HAS_EXTENSION_STATE;

  4145.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_WORKER__interface) == 0)

  4146.                 pData->hints |= PLUGIN_HAS_EXTENSION_WORKER;

  4147.             else

  4148.                 carla_stdout("Plugin has non-supported extension: '%s'", fRdfDescriptor->Extensions[i]);

  4149.         }

  4150. 

  4151.         if (fDescriptor->extension_data != nullptr)

  4152.         {

  4153.             if (pData->hints & PLUGIN_HAS_EXTENSION_OPTIONS)

  4154.                 fExt.options = (const LV2_Options_Interface*)fDescriptor->extension_data(LV2_OPTIONS__interface);

  4155. 

  4156.             if (pData->hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  4157.                 fExt.programs = (const LV2_Programs_Interface*)fDescriptor->extension_data(LV2_PROGRAMS__Interface);

  4158. 

  4159.             if (pData->hints & PLUGIN_HAS_EXTENSION_STATE)

  4160.                 fExt.state = (const LV2_State_Interface*)fDescriptor->extension_data(LV2_STATE__interface);

  4161. 

  4162.             if (pData->hints & PLUGIN_HAS_EXTENSION_WORKER)

  4163.                 fExt.worker = (const LV2_Worker_Interface*)fDescriptor->extension_data(LV2_WORKER__interface);

  4164. 

  4165.             // check if invalid

  4166.             if (fExt.options != nullptr && fExt.options->get == nullptr  && fExt.options->set == nullptr)

  4167.                 fExt.options = nullptr;

  4168. 

  4169.             if (fExt.programs != nullptr && (fExt.programs->get_program == nullptr || fExt.programs->select_program == nullptr))

  4170.                 fExt.programs = nullptr;

  4171. 

  4172.             if (fExt.state != nullptr && (fExt.state->save == nullptr || fExt.state->restore == nullptr))

  4173.                 fExt.state = nullptr;

  4174. 

  4175.             if (fExt.worker != nullptr && fExt.worker->work == nullptr)

  4176.                 fExt.worker = nullptr;

  4177.         }

  4178. 

  4179.         CARLA_SAFE_ASSERT_RETURN(fLatencyIndex == -1,);

  4180. 

  4181.         for (uint32_t i=0, count=fRdfDescriptor->PortCount, iCtrl=0; i<count; ++i)

  4182.         {

  4183.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  4184. 

  4185.             if (! LV2_IS_PORT_CONTROL(portTypes))

  4186.                 continue;

  4187. 

  4188.             iCtrl++;

  4189. 

  4190.             if (! LV2_IS_PORT_OUTPUT(portTypes))

  4191.                 continue;

  4192. 

  4193.             const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation);

  4194. 

  4195.             if (! LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  4196.                 continue;

  4197. 

  4198.             fLatencyIndex = static_cast<int32_t>(iCtrl);

  4199.             break;

  4200.         }

  4201.     }

  4202. 

  4203.     // -------------------------------------------------------------------

  4204. 

  4205.     void updateUi()

  4206.     {

  4207.         CARLA_SAFE_ASSERT_RETURN(fUI.handle != nullptr,);

  4208.         CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,);

  4209.         carla_debug("CarlaPluginLV2::updateUi()");

  4210. 

  4211.         // update midi program

  4212.         if (fExt.uiprograms != nullptr && pData->midiprog.count > 0 && pData->midiprog.current >= 0)

  4213.         {

  4214.             const MidiProgramData& curData(pData->midiprog.getCurrent());

  4215.             fExt.uiprograms->select_program(fUI.handle, curData.bank, curData.program);

  4216.         }

  4217. 

  4218.         // update control ports

  4219.         if (fUI.descriptor->port_event != nullptr)

  4220.         {

  4221.             float value;

  4222.             for (uint32_t i=0; i < pData->param.count; ++i)

  4223.             {

  4224.                 value = getParameterValue(i);

  4225.                 fUI.descriptor->port_event(fUI.handle, static_cast<uint32_t>(pData->param.data[i].rindex), sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  4226.             }

  4227.         }

  4228.     }

  4229. 

  4230.     // -------------------------------------------------------------------

  4231. 

  4232.     LV2_URID getCustomURID(const char* const uri)

  4233.     {

  4234.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', CARLA_URI_MAP_ID_NULL);

  4235.         carla_debug("CarlaPluginLV2::getCustomURID(\"%s\")", uri);

  4236. 

  4237.         for (size_t i=0; i < fCustomURIDs.count(); ++i)

  4238.         {

  4239.             const char* const thisUri(fCustomURIDs.getAt(i, nullptr));

  4240.             if (thisUri != nullptr && std::strcmp(thisUri, uri) == 0)

  4241.                 return static_cast<LV2_URID>(i);

  4242.         }

  4243. 

  4244.         const LV2_URID urid(static_cast<LV2_URID>(fCustomURIDs.count()));

  4245. 

  4246.         fCustomURIDs.append(carla_strdup(uri));

  4247. 

  4248.         if (fUI.type == UI::TYPE_BRIDGE && fPipeServer.isPipeRunning())

  4249.             fPipeServer.writeLv2UridMessage(urid, uri);

  4250. 

  4251.         return urid;

  4252.     }

  4253. 

  4254.     const char* getCustomURIDString(const LV2_URID urid) const noexcept

  4255.     {

  4256.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL, nullptr);

  4257.         CARLA_SAFE_ASSERT_RETURN(urid < fCustomURIDs.count(), nullptr);

  4258.         carla_debug("CarlaPluginLV2::getCustomURIString(%i)", urid);

  4259. 

  4260.         return fCustomURIDs.getAt(urid, nullptr);

  4261.     }

  4262. 

  4263.     // -------------------------------------------------------------------

  4264. 

  4265.     void handleProgramChanged(const int32_t index)

  4266.     {

  4267.         CARLA_SAFE_ASSERT_RETURN(index >= -1,);

  4268.         carla_debug("CarlaPluginLV2::handleProgramChanged(%i)", index);

  4269. 

  4270.         if (index == -1)

  4271.         {

  4272.             const ScopedSingleProcessLocker spl(this, true);

  4273.             return reloadPrograms(false);

  4274.         }

  4275. 

  4276.         if (index < static_cast<int32_t>(pData->midiprog.count) && fExt.programs != nullptr && fExt.programs->get_program != nullptr)

  4277.         {

  4278.             if (const LV2_Program_Descriptor* const progDesc = fExt.programs->get_program(fHandle, static_cast<uint32_t>(index)))

  4279.             {

  4280.                 CARLA_SAFE_ASSERT_RETURN(progDesc->name != nullptr,);

  4281. 

  4282.                 if (pData->midiprog.data[index].name != nullptr)

  4283.                     delete[] pData->midiprog.data[index].name;

  4284. 

  4285.                 pData->midiprog.data[index].name = carla_strdup(progDesc->name);

  4286. 

  4287.                 if (index == pData->midiprog.current)

  4288.                     pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, 0, 0, 0.0, nullptr);

  4289.                 else

  4290.                     pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0, nullptr);

  4291.             }

  4292.         }

  4293.     }

  4294. 

  4295.     // -------------------------------------------------------------------

  4296. 

  4297.     LV2_Resize_Port_Status handleResizePort(const uint32_t index, const size_t size)

  4298.     {

  4299.         CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_RESIZE_PORT_ERR_UNKNOWN);

  4300.         carla_debug("CarlaPluginLV2::handleResizePort(%i, " P_SIZE ")", index, size);

  4301. 

  4302.         // TODO

  4303.         return LV2_RESIZE_PORT_ERR_NO_SPACE;

  4304.         (void)index;

  4305.     }

  4306. 

  4307.     // -------------------------------------------------------------------

  4308. 

  4309.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  4310.     {

  4311.         CARLA_SAFE_ASSERT_RETURN(key != CARLA_URI_MAP_ID_NULL, LV2_STATE_ERR_NO_PROPERTY);

  4312.         CARLA_SAFE_ASSERT_RETURN(value != nullptr, LV2_STATE_ERR_NO_PROPERTY);

  4313.         CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_STATE_ERR_NO_PROPERTY);

  4314.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, LV2_STATE_ERR_BAD_TYPE);

  4315.         CARLA_SAFE_ASSERT_RETURN(flags & LV2_STATE_IS_POD, LV2_STATE_ERR_BAD_FLAGS);

  4316.         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);

  4317. 

  4318.         const char* const skey(carla_lv2_urid_unmap(this, key));

  4319.         const char* const stype(carla_lv2_urid_unmap(this, type));

  4320. 

  4321.         CARLA_SAFE_ASSERT_RETURN(skey != nullptr, LV2_STATE_ERR_BAD_TYPE);

  4322.         CARLA_SAFE_ASSERT_RETURN(stype != nullptr, LV2_STATE_ERR_BAD_TYPE);

  4323. 

  4324.         // Check if we already have this key

  4325.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  4326.         {

  4327.             CustomData& data(it.getValue());

  4328. 

  4329.             if (std::strcmp(data.key, skey) == 0)

  4330.             {

  4331.                 // found it

  4332.                 if (data.value != nullptr)

  4333.                     delete[] data.value;

  4334. 

  4335.                 if (type == CARLA_URI_MAP_ID_ATOM_STRING || type == CARLA_URI_MAP_ID_ATOM_PATH)

  4336.                     data.value = carla_strdup((const char*)value);

  4337.                 else

  4338.                     data.value = CarlaString::asBase64(value, size).dup();

  4339. 

  4340.                 return LV2_STATE_SUCCESS;

  4341.             }

  4342.         }

  4343. 

  4344.         // Otherwise store it

  4345.         CustomData newData;

  4346.         newData.type = carla_strdup(stype);

  4347.         newData.key  = carla_strdup(skey);

  4348. 

  4349.         if (type == CARLA_URI_MAP_ID_ATOM_STRING || type == CARLA_URI_MAP_ID_ATOM_PATH)

  4350.             newData.value = carla_strdup((const char*)value);

  4351.         else

  4352.             newData.value = CarlaString::asBase64(value, size).dup();

  4353. 

  4354.         pData->custom.append(newData);

  4355. 

  4356.         return LV2_STATE_SUCCESS;

  4357.     }

  4358. 

  4359.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  4360.     {

  4361.         CARLA_SAFE_ASSERT_RETURN(key != CARLA_URI_MAP_ID_NULL, nullptr);

  4362.         CARLA_SAFE_ASSERT_RETURN(size != nullptr, nullptr);

  4363.         CARLA_SAFE_ASSERT_RETURN(type != nullptr, nullptr);

  4364.         CARLA_SAFE_ASSERT_RETURN(flags != nullptr, nullptr);

  4365.         carla_debug("CarlaPluginLV2::handleStateRetrieve(%i, %p, %p, %p)", key, size, type, flags);

  4366. 

  4367.         const char* const skey(carla_lv2_urid_unmap(this, key));

  4368. 

  4369.         CARLA_SAFE_ASSERT_RETURN(skey != nullptr, nullptr);

  4370. 

  4371.         const char* stype = nullptr;

  4372.         const char* stringData = nullptr;

  4373. 

  4374.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  4375.         {

  4376.             const CustomData& data(it.getValue());

  4377. 

  4378.             if (std::strcmp(data.key, skey) == 0)

  4379.             {

  4380.                 stype      = data.type;

  4381.                 stringData = data.value;

  4382.                 break;

  4383.             }

  4384.         }

  4385. 

  4386.         CARLA_SAFE_ASSERT_RETURN(stype != nullptr, nullptr);

  4387.         CARLA_SAFE_ASSERT_RETURN(stringData != nullptr, nullptr);

  4388. 

  4389.         *type  = carla_lv2_urid_map(this, stype);

  4390.         *flags = LV2_STATE_IS_POD;

  4391. 

  4392.         if (*type == CARLA_URI_MAP_ID_ATOM_STRING || *type == CARLA_URI_MAP_ID_ATOM_PATH)

  4393.         {

  4394.             *size = std::strlen(stringData);

  4395.             return stringData;

  4396.         }

  4397.         else

  4398.         {

  4399.             if (fLastStateChunk != nullptr)

  4400.             {

  4401.                 std::free(fLastStateChunk);

  4402.                 fLastStateChunk = nullptr;

  4403.             }

  4404. 

  4405.             std::vector<uint8_t> chunk(carla_getChunkFromBase64String(stringData));

  4406.             CARLA_SAFE_ASSERT_RETURN(chunk.size() > 0, nullptr);

  4407. 

  4408.             fLastStateChunk = std::malloc(chunk.size());

  4409.             CARLA_SAFE_ASSERT_RETURN(fLastStateChunk != nullptr, nullptr);

  4410. 

  4411.             std::memcpy(fLastStateChunk, chunk.data(), chunk.size());

  4412. 

  4413.             *size = chunk.size();

  4414.             return fLastStateChunk;

  4415.         }

  4416.     }

  4417. 

  4418.     // -------------------------------------------------------------------

  4419. 

  4420.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  4421.     {

  4422.         CARLA_SAFE_ASSERT_RETURN(fExt.worker != nullptr && fExt.worker->work != nullptr, LV2_WORKER_ERR_UNKNOWN);

  4423.         CARLA_SAFE_ASSERT_RETURN(fEventsIn.ctrl != nullptr, LV2_WORKER_ERR_UNKNOWN);

  4424.         carla_debug("CarlaPluginLV2::handleWorkerSchedule(%i, %p)", size, data);

  4425. 

  4426.         if (pData->engine->isOffline())

  4427.         {

  4428.             fExt.worker->work(fHandle, carla_lv2_worker_respond, this, size, data);

  4429.             return LV2_WORKER_SUCCESS;

  4430.         }

  4431. 

  4432.         LV2_Atom atom;

  4433.         atom.size = size;

  4434.         atom.type = CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  4435. 

  4436.         return fAtomBufferOut.putChunk(&atom, data, fEventsOut.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE;

  4437.     }

  4438. 

  4439.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  4440.     {

  4441.         carla_debug("CarlaPluginLV2::handleWorkerRespond(%i, %p)", size, data);

  4442. 

  4443.         LV2_Atom atom;

  4444.         atom.size = size;

  4445.         atom.type = CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  4446. 

  4447.         return fAtomBufferIn.putChunk(&atom, data, fEventsIn.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE;

  4448.     }

  4449. 

  4450.     // -------------------------------------------------------------------

  4451. 

  4452.     void handleExternalUIClosed()

  4453.     {

  4454.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EXTERNAL,);

  4455.         carla_debug("CarlaPluginLV2::handleExternalUIClosed()");

  4456. 

  4457.         pData->transientTryCounter = 0;

  4458. 

  4459.         if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->cleanup != nullptr)

  4460.             fUI.descriptor->cleanup(fUI.handle);

  4461. 

  4462.         fUI.handle = nullptr;

  4463.         fUI.widget = nullptr;

  4464.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  4465.     }

  4466. 

  4467.     void handlePluginUIClosed() override

  4468.     {

  4469.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,);

  4470.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,);

  4471.         carla_debug("CarlaPluginLV2::handlePluginUIClosed()");

  4472. 

  4473.         pData->transientTryCounter = 0;

  4474. 

  4475.         fUI.window->hide();

  4476. 

  4477.         if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->cleanup != nullptr)

  4478.             fUI.descriptor->cleanup(fUI.handle);

  4479. 

  4480.         fUI.handle = nullptr;

  4481.         fUI.widget = nullptr;

  4482.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  4483.     }

  4484. 

  4485.     void handlePluginUIResized(const uint width, const uint height) override

  4486.     {

  4487.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,);

  4488.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,);

  4489.         carla_debug("CarlaPluginLV2::handlePluginUIResized(%u, %u)", width, height);

  4490. 

  4491.         if (fUI.handle != nullptr && fExt.uiresize != nullptr)

  4492.             fExt.uiresize->ui_resize(fUI.handle, static_cast<int>(width), static_cast<int>(height));

  4493.     }

  4494. 

  4495.     // -------------------------------------------------------------------

  4496. 

  4497.     uint32_t handleUIPortMap(const char* const symbol) const noexcept

  4498.     {

  4499.         CARLA_SAFE_ASSERT_RETURN(symbol != nullptr && symbol[0] != '\0', LV2UI_INVALID_PORT_INDEX);

  4500.         carla_debug("CarlaPluginLV2::handleUIPortMap(\"%s\")", symbol);

  4501. 

  4502.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  4503.         {

  4504.             if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, symbol) == 0)

  4505.                 return i;

  4506.         }

  4507. 

  4508.         return LV2UI_INVALID_PORT_INDEX;

  4509.     }

  4510. 

  4511.     int handleUIResize(const int width, const int height)

  4512.     {

  4513.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr, 1);

  4514.         CARLA_SAFE_ASSERT_RETURN(width > 0, 1);

  4515.         CARLA_SAFE_ASSERT_RETURN(height > 0, 1);

  4516.         carla_debug("CarlaPluginLV2::handleUIResize(%i, %i)", width, height);

  4517. 

  4518.         fUI.window->setSize(static_cast<uint>(width), static_cast<uint>(height), true);

  4519. 

  4520.         return 0;

  4521.     }

  4522. 

  4523.     void handleUIWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  4524.     {

  4525.         CARLA_SAFE_ASSERT_RETURN(buffer != nullptr,);

  4526.         CARLA_SAFE_ASSERT_RETURN(bufferSize > 0,);

  4527.         carla_debug("CarlaPluginLV2::handleUIWrite(%i, %i, %i, %p)", rindex, bufferSize, format, buffer);

  4528. 

  4529.         uint32_t index = LV2UI_INVALID_PORT_INDEX;

  4530. 

  4531.         switch (format)

  4532.         {

  4533.         case CARLA_URI_MAP_ID_NULL: {

  4534.             CARLA_SAFE_ASSERT_RETURN(bufferSize == sizeof(float),);

  4535. 

  4536.             for (uint32_t i=0; i < pData->param.count; ++i)

  4537.             {

  4538.                 if (pData->param.data[i].rindex != static_cast<int32_t>(rindex))

  4539.                     continue;

  4540.                 index = i;

  4541.                 break;

  4542.             }

  4543. 

  4544.             CARLA_SAFE_ASSERT_RETURN(index != LV2UI_INVALID_PORT_INDEX,);

  4545. 

  4546.             const float value(*(const float*)buffer);

  4547. 

  4548.             //if (! carla_compareFloats(fParamBuffers[index], value))

  4549.             setParameterValue(index, value, false, true, true);

  4550. 

  4551.         } break;

  4552. 

  4553.         case CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM:

  4554.         case CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT: {

  4555.             CARLA_SAFE_ASSERT_RETURN(bufferSize >= sizeof(LV2_Atom),);

  4556. 

  4557.             const LV2_Atom* const atom((const LV2_Atom*)buffer);

  4558. 

  4559.             // plugins sometimes fail on this, not good...

  4560.             CARLA_SAFE_ASSERT_INT2(bufferSize == lv2_atom_total_size(atom), bufferSize, atom->size);

  4561. 

  4562.             for (uint32_t i=0; i < fEventsIn.count; ++i)

  4563.             {

  4564.                 if (fEventsIn.data[i].rindex != rindex)

  4565.                     continue;

  4566.                 index = i;

  4567.                 break;

  4568.             }

  4569. 

  4570.             // for bad plugins

  4571.             if (index == LV2UI_INVALID_PORT_INDEX)

  4572.             {

  4573.                 CARLA_SAFE_ASSERT(index != LV2UI_INVALID_PORT_INDEX); // FIXME

  4574.                 index = fEventsIn.ctrlIndex;

  4575.             }

  4576. 

  4577.             fAtomBufferIn.put(atom, index);

  4578.         } break;

  4579. 

  4580.         default:

  4581.             carla_stdout("CarlaPluginLV2::handleUIWrite(%i, %i, %i:\"%s\", %p) - unknown format", rindex, bufferSize, format, carla_lv2_urid_unmap(this, format), buffer);

  4582.             break;

  4583.         }

  4584.     }

  4585. 

  4586.     // -------------------------------------------------------------------

  4587. 

  4588.     void handleLilvSetPortValue(const char* const portSymbol, const void* const value, const uint32_t size, const uint32_t type)

  4589.     {

  4590.         CARLA_SAFE_ASSERT_RETURN(portSymbol != nullptr && portSymbol[0] != '\0',);

  4591.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  4592.         CARLA_SAFE_ASSERT_RETURN(size > 0,);

  4593.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL,);

  4594.         carla_debug("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i)", portSymbol, value, size, type);

  4595. 

  4596.         int32_t rindex = -1;

  4597. 

  4598.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  4599.         {

  4600.             if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, portSymbol) == 0)

  4601.             {

  4602.                 rindex = static_cast<int32_t>(i);

  4603.                 break;

  4604.             }

  4605.         }

  4606. 

  4607.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,);

  4608. 

  4609.         float paramValue;

  4610. 

  4611.         switch (type)

  4612.         {

  4613.         case CARLA_URI_MAP_ID_ATOM_BOOL:

  4614.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(bool),);

  4615.             paramValue = (*(const bool*)value) ? 1.0f : 0.0f;

  4616.             break;

  4617.         case CARLA_URI_MAP_ID_ATOM_DOUBLE:

  4618.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(double),);

  4619.             paramValue = static_cast<float>((*(const double*)value));

  4620.             break;

  4621.         case CARLA_URI_MAP_ID_ATOM_FLOAT:

  4622.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(float),);

  4623.             paramValue = (*(const float*)value);

  4624.             break;

  4625.         case CARLA_URI_MAP_ID_ATOM_INT:

  4626.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(int32_t),);

  4627.             paramValue = static_cast<float>((*(const int32_t*)value));

  4628.             break;

  4629.         case CARLA_URI_MAP_ID_ATOM_LONG:

  4630.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(int64_t),);

  4631.             paramValue = static_cast<float>((*(const int64_t*)value));

  4632.             break;

  4633.         default:

  4634.             carla_stdout("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i:\"%s\") - unknown type", portSymbol, value, size, type, carla_lv2_urid_unmap(this, type));

  4635.             return;

  4636.         }

  4637. 

  4638.         for (uint32_t i=0; i < pData->param.count; ++i)

  4639.         {

  4640.             if (pData->param.data[i].rindex == rindex)

  4641.             {

  4642.                 setParameterValue(i, paramValue, true, true, true);

  4643.                 break;

  4644.             }

  4645.         }

  4646.     }

  4647. 

  4648.     // -------------------------------------------------------------------

  4649. 

  4650.     void* getNativeHandle() const noexcept override

  4651.     {

  4652.         return fHandle;

  4653.     }

  4654. 

  4655.     const void* getNativeDescriptor() const noexcept override

  4656.     {

  4657.         return fDescriptor;

  4658.     }

  4659. 

  4660.     uintptr_t getUiBridgeProcessId() const noexcept override

  4661.     {

  4662.         return fPipeServer.isPipeRunning() ? fPipeServer.getPID() : 0;

  4663.     }

  4664. 

  4665.     // -------------------------------------------------------------------

  4666. 

  4667. public:

  4668.     bool init(const char* const name, const char* const uri)

  4669.     {

  4670.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  4671. 

  4672.         // ---------------------------------------------------------------

  4673.         // first checks

  4674. 

  4675.         if (pData->client != nullptr)

  4676.         {

  4677.             pData->engine->setLastError("Plugin client is already registered");

  4678.             return false;

  4679.         }

  4680. 

  4681.         if (uri == nullptr || uri[0] == '\0')

  4682.         {

  4683.             pData->engine->setLastError("null uri");

  4684.             return false;

  4685.         }

  4686. 

  4687.         // ---------------------------------------------------------------

  4688.         // Init LV2 World if needed, sets LV2_PATH for lilv

  4689. 

  4690.         Lv2WorldClass& lv2World(Lv2WorldClass::getInstance());

  4691. 

  4692.         if (pData->engine->getOptions().pathLV2 != nullptr && pData->engine->getOptions().pathLV2[0] != '\0')

  4693.             lv2World.initIfNeeded(pData->engine->getOptions().pathLV2);

  4694.         else

  4695.             lv2World.initIfNeeded(std::getenv("LV2_PATH"));

  4696. 

  4697.         // ---------------------------------------------------------------

  4698.         // get plugin from lv2_rdf (lilv)

  4699. 

  4700.         fRdfDescriptor = lv2_rdf_new(uri, true);

  4701. 

  4702.         if (fRdfDescriptor == nullptr)

  4703.         {

  4704.             pData->engine->setLastError("Failed to find the requested plugin");

  4705.             return false;

  4706.         }

  4707. 

  4708.         // ---------------------------------------------------------------

  4709.         // open DLL

  4710. 

  4711.         if (! pData->libOpen(fRdfDescriptor->Binary))

  4712.         {

  4713.             pData->engine->setLastError(pData->libError(fRdfDescriptor->Binary));

  4714.             return false;

  4715.         }

  4716. 

  4717.         // ---------------------------------------------------------------

  4718.         // try to get DLL main entry via new mode

  4719. 

  4720.         if (const LV2_Lib_Descriptor_Function libDescFn = pData->libSymbol<LV2_Lib_Descriptor_Function>("lv2_lib_descriptor"))

  4721.         {

  4722.             // -----------------------------------------------------------

  4723.             // all ok, get lib descriptor

  4724. 

  4725.             const LV2_Lib_Descriptor* const libDesc = libDescFn(fRdfDescriptor->Bundle, nullptr);

  4726. 

  4727.             if (libDesc == nullptr)

  4728.             {

  4729.                 pData->engine->setLastError("Could not find the LV2 Descriptor");

  4730.                 return false;

  4731.             }

  4732. 

  4733.             // -----------------------------------------------------------

  4734.             // get descriptor that matches URI (new mode)

  4735. 

  4736.             uint32_t i = 0;

  4737.             while ((fDescriptor = libDesc->get_plugin(libDesc->handle, i++)))

  4738.             {

  4739.                 if (std::strcmp(fDescriptor->URI, uri) == 0)

  4740.                     break;

  4741.             }

  4742.         }

  4743.         else

  4744.         {

  4745.             // -----------------------------------------------------------

  4746.             // get DLL main entry (old mode)

  4747. 

  4748.             const LV2_Descriptor_Function descFn = pData->libSymbol<LV2_Descriptor_Function>("lv2_descriptor");

  4749. 

  4750.             if (descFn == nullptr)

  4751.             {

  4752.                 pData->engine->setLastError("Could not find the LV2 Descriptor in the plugin library");

  4753.                 return false;

  4754.             }

  4755. 

  4756.             // -----------------------------------------------------------

  4757.             // get descriptor that matches URI (old mode)

  4758. 

  4759.             uint32_t i = 0;

  4760.             while ((fDescriptor = descFn(i++)))

  4761.             {

  4762.                 if (std::strcmp(fDescriptor->URI, uri) == 0)

  4763.                     break;

  4764.             }

  4765.         }

  4766. 

  4767.         if (fDescriptor == nullptr)

  4768.         {

  4769.             pData->engine->setLastError("Could not find the requested plugin URI in the plugin library");

  4770.             return false;

  4771.         }

  4772. 

  4773.         // ---------------------------------------------------------------

  4774.         // check supported port-types and features

  4775. 

  4776.         bool canContinue = true;

  4777. 

  4778.         // Check supported ports

  4779.         for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j)

  4780.         {

  4781.             const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types);

  4782. 

  4783.             if (! is_lv2_port_supported(portTypes))

  4784.             {

  4785.                 if (! LV2_IS_PORT_OPTIONAL(fRdfDescriptor->Ports[j].Properties))

  4786.                 {

  4787.                     pData->engine->setLastError("Plugin requires a port type that is not currently supported");

  4788.                     canContinue = false;

  4789.                     break;

  4790.                 }

  4791.             }

  4792.         }

  4793. 

  4794.         // Check supported features

  4795.         for (uint32_t j=0; j < fRdfDescriptor->FeatureCount && canContinue; ++j)

  4796.         {

  4797.             const LV2_RDF_Feature& feature(fRdfDescriptor->Features[j]);

  4798. 

  4799.             if (std::strcmp(feature.URI, LV2_DATA_ACCESS_URI) == 0 || std::strcmp(feature.URI, LV2_INSTANCE_ACCESS_URI) == 0)

  4800.             {

  4801.                 carla_stderr("Plugin DSP wants UI feature '%s', ignoring this", feature.URI);

  4802.             }

  4803.             else if (LV2_IS_FEATURE_REQUIRED(feature.Type) && ! is_lv2_feature_supported(feature.URI))

  4804.             {

  4805.                 CarlaString msg("Plugin wants a feature that is not supported:\n");

  4806.                 msg += feature.URI;

  4807. 

  4808.                 canContinue = false;

  4809.                 pData->engine->setLastError(msg);

  4810.                 break;

  4811.             }

  4812.         }

  4813. 

  4814.         if (! canContinue)

  4815.         {

  4816.             // error already set

  4817.             return false;

  4818.         }

  4819. 

  4820.         // ---------------------------------------------------------------

  4821.         // get info

  4822. 

  4823.         if (name != nullptr && name[0] != '\0')

  4824.             pData->name = pData->engine->getUniquePluginName(name);

  4825.         else

  4826.             pData->name = pData->engine->getUniquePluginName(fRdfDescriptor->Name);

  4827. 

  4828.         // ---------------------------------------------------------------

  4829.         // register client

  4830. 

  4831.         pData->client = pData->engine->addClient(this);

  4832. 

  4833.         if (pData->client == nullptr || ! pData->client->isOk())

  4834.         {

  4835.             pData->engine->setLastError("Failed to register plugin client");

  4836.             return false;

  4837.         }

  4838. 

  4839.         // ---------------------------------------------------------------

  4840.         // initialize options

  4841. 

  4842.         fLv2Options.minBufferSize = 1;

  4843.         fLv2Options.maxBufferSize = static_cast<int>(pData->engine->getBufferSize());

  4844.         fLv2Options.sampleRate    = pData->engine->getSampleRate();

  4845.         fLv2Options.frontendWinId = static_cast<int64_t>(pData->engine->getOptions().frontendWinId);

  4846. 

  4847.         uint32_t eventBufferSize = MAX_DEFAULT_BUFFER_SIZE;

  4848. 

  4849.         for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j)

  4850.         {

  4851.             const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types);

  4852. 

  4853.             if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes) || LV2_IS_PORT_EVENT(portTypes) || LV2_IS_PORT_MIDI_LL(portTypes))

  4854.             {

  4855.                 if (fRdfDescriptor->Ports[j].MinimumSize > eventBufferSize)

  4856.                     eventBufferSize = fRdfDescriptor->Ports[j].MinimumSize;

  4857.             }

  4858.         }

  4859. 

  4860.         fLv2Options.sequenceSize = static_cast<int>(eventBufferSize);

  4861. 

  4862.         // ---------------------------------------------------------------

  4863.         // initialize features (part 1)

  4864. 

  4865.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  4866.         eventFt->callback_data           = this;

  4867.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  4868.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  4869. 

  4870.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  4871.         logFt->handle                    = this;

  4872.         logFt->printf                    = carla_lv2_log_printf;

  4873.         logFt->vprintf                   = carla_lv2_log_vprintf;

  4874. 

  4875.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  4876.         stateMakePathFt->handle                    = this;

  4877.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  4878. 

  4879.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  4880.         stateMapPathFt->handle                     = this;

  4881.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  4882.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  4883. 

  4884.         LV2_Programs_Host* const programsFt   = new LV2_Programs_Host;

  4885.         programsFt->handle                    = this;

  4886.         programsFt->program_changed           = carla_lv2_program_changed;

  4887. 

  4888.         LV2_Resize_Port_Resize* const rsPortFt = new LV2_Resize_Port_Resize;

  4889.         rsPortFt->data                         = this;

  4890.         rsPortFt->resize                       = carla_lv2_resize_port;

  4891. 

  4892.         LV2_RtMemPool_Pool* const rtMemPoolFt = new LV2_RtMemPool_Pool;

  4893.         lv2_rtmempool_init(rtMemPoolFt);

  4894. 

  4895.         LV2_RtMemPool_Pool_Deprecated* const rtMemPoolOldFt = new LV2_RtMemPool_Pool_Deprecated;

  4896.         lv2_rtmempool_init_deprecated(rtMemPoolOldFt);

  4897. 

  4898.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  4899.         uriMapFt->callback_data             = this;

  4900.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  4901. 

  4902.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  4903.         uridMapFt->handle                   = this;

  4904.         uridMapFt->map                      = carla_lv2_urid_map;

  4905. 

  4906.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  4907.         uridUnmapFt->handle                 = this;

  4908.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  4909. 

  4910.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  4911.         workerFt->handle                    = this;

  4912.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  4913. 

  4914.         // ---------------------------------------------------------------

  4915.         // initialize features (part 2)

  4916. 

  4917.         for (uint32_t j=0; j < kFeatureCountPlugin; ++j)

  4918.             fFeatures[j] = new LV2_Feature;

  4919. 

  4920.         fFeatures[kFeatureIdBufSizeBounded]->URI   = LV2_BUF_SIZE__boundedBlockLength;

  4921.         fFeatures[kFeatureIdBufSizeBounded]->data  = nullptr;

  4922. 

  4923.         fFeatures[kFeatureIdBufSizeFixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  4924.         fFeatures[kFeatureIdBufSizeFixed]->data    = nullptr;

  4925. 

  4926.         fFeatures[kFeatureIdBufSizePowerOf2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  4927.         fFeatures[kFeatureIdBufSizePowerOf2]->data = nullptr;

  4928. 

  4929.         fFeatures[kFeatureIdEvent]->URI          = LV2_EVENT_URI;

  4930.         fFeatures[kFeatureIdEvent]->data         = eventFt;

  4931. 

  4932.         fFeatures[kFeatureIdHardRtCapable]->URI  = LV2_CORE__hardRTCapable;

  4933.         fFeatures[kFeatureIdHardRtCapable]->data = nullptr;

  4934. 

  4935.         fFeatures[kFeatureIdInPlaceBroken]->URI  = LV2_CORE__inPlaceBroken;

  4936.         fFeatures[kFeatureIdInPlaceBroken]->data = nullptr;

  4937. 

  4938.         fFeatures[kFeatureIdIsLive]->URI         = LV2_CORE__isLive;

  4939.         fFeatures[kFeatureIdIsLive]->data        = nullptr;

  4940. 

  4941.         fFeatures[kFeatureIdLogs]->URI       = LV2_LOG__log;

  4942.         fFeatures[kFeatureIdLogs]->data      = logFt;

  4943. 

  4944.         fFeatures[kFeatureIdOptions]->URI    = LV2_OPTIONS__options;

  4945.         fFeatures[kFeatureIdOptions]->data   = fLv2Options.opts;

  4946. 

  4947.         fFeatures[kFeatureIdPrograms]->URI   = LV2_PROGRAMS__Host;

  4948.         fFeatures[kFeatureIdPrograms]->data  = programsFt;

  4949. 

  4950.         fFeatures[kFeatureIdResizePort]->URI   = LV2_RESIZE_PORT__resize;

  4951.         fFeatures[kFeatureIdResizePort]->data  = rsPortFt;

  4952. 

  4953.         fFeatures[kFeatureIdRtMemPool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  4954.         fFeatures[kFeatureIdRtMemPool]->data = rtMemPoolFt;

  4955. 

  4956.         fFeatures[kFeatureIdRtMemPoolOld]->URI  = LV2_RTSAFE_MEMORY_POOL_DEPRECATED_URI;

  4957.         fFeatures[kFeatureIdRtMemPoolOld]->data = rtMemPoolOldFt;

  4958. 

  4959.         fFeatures[kFeatureIdStateMakePath]->URI  = LV2_STATE__makePath;

  4960.         fFeatures[kFeatureIdStateMakePath]->data = stateMakePathFt;

  4961. 

  4962.         fFeatures[kFeatureIdStateMapPath]->URI   = LV2_STATE__mapPath;

  4963.         fFeatures[kFeatureIdStateMapPath]->data  = stateMapPathFt;

  4964. 

  4965.         fFeatures[kFeatureIdStrictBounds]->URI   = LV2_PORT_PROPS__supportsStrictBounds;

  4966.         fFeatures[kFeatureIdStrictBounds]->data  = nullptr;

  4967. 

  4968.         fFeatures[kFeatureIdUriMap]->URI     = LV2_URI_MAP_URI;

  4969.         fFeatures[kFeatureIdUriMap]->data    = uriMapFt;

  4970. 

  4971.         fFeatures[kFeatureIdUridMap]->URI    = LV2_URID__map;

  4972.         fFeatures[kFeatureIdUridMap]->data   = uridMapFt;

  4973. 

  4974.         fFeatures[kFeatureIdUridUnmap]->URI  = LV2_URID__unmap;

  4975.         fFeatures[kFeatureIdUridUnmap]->data = uridUnmapFt;

  4976. 

  4977.         fFeatures[kFeatureIdWorker]->URI     = LV2_WORKER__schedule;

  4978.         fFeatures[kFeatureIdWorker]->data    = workerFt;

  4979. 

  4980.         // if a fixed buffer is not needed, skip its feature

  4981.         if (! needsFixedBuffer())

  4982.             fFeatures[kFeatureIdBufSizeFixed]->URI = LV2_BUF_SIZE__boundedBlockLength;

  4983. 

  4984.         // if power of 2 is not possible, skip its feature FIXME

  4985.         //if (fLv2Options.maxBufferSize)

  4986.         //    fFeatures[kFeatureIdBufSizePowerOf2]->URI = LV2_BUF_SIZE__boundedBlockLength;

  4987. 

  4988.         // ---------------------------------------------------------------

  4989.         // initialize plugin

  4990. 

  4991.         try {

  4992.             fHandle = fDescriptor->instantiate(fDescriptor, pData->engine->getSampleRate(), fRdfDescriptor->Bundle, fFeatures);

  4993.         } catch(...) {}

  4994. 

  4995.         if (fHandle == nullptr)

  4996.         {

  4997.             pData->engine->setLastError("Plugin failed to initialize");

  4998.             return false;

  4999.         }

  5000. 

  5001.         if (std::strcmp(uri, "http://hyperglitch.com/dev/VocProc") == 0)

  5002.             fCanInit2 = false;

  5003. 

  5004.         recheckExtensions();

  5005. 

  5006.         // ---------------------------------------------------------------

  5007.         // set default options

  5008. 

  5009.         pData->options  = 0x0;

  5010. 

  5011.         if (fExt.programs != nullptr)

  5012.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  5013. 

  5014.         if (fLatencyIndex >= 0 || getMidiInCount() > 0 || needsFixedBuffer())

  5015.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  5016. 

  5017.         if (fCanInit2 && pData->engine->getOptions().forceStereo)

  5018.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  5019. 

  5020.         if (getMidiInCount() > 0)

  5021.         {

  5022.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  5023.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  5024.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  5025.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  5026.         }

  5027. 

  5028.         // ---------------------------------------------------------------

  5029.         // gui stuff

  5030. 

  5031.         if (fRdfDescriptor->UICount != 0)

  5032.             initUi();

  5033. 

  5034.         return true;

  5035.     }

  5036. 

  5037.     // -------------------------------------------------------------------

  5038. 

  5039.     void initUi()

  5040.     {

  5041.         // ---------------------------------------------------------------

  5042.         // find the most appropriate ui

  5043. 

  5044.         int eQt4, eQt5, eGtk2, eGtk3, eCocoa, eWindows, eX11, eExt, eMod, iCocoa, iWindows, iX11, iExt, iFinal;

  5045.         eQt4 = eQt5 = eGtk2 = eGtk3 = eCocoa = eWindows = eX11 = eExt = eMod = iCocoa = iWindows = iX11 = iExt = iFinal = -1;

  5046. 

  5047. #if defined(BUILD_BRIDGE)

  5048.         const bool preferUiBridges(false);

  5049. #elif defined(LV2_UIS_ONLY_BRIDGES)

  5050.         const bool preferUiBridges(true);

  5051. #else

  5052.         const bool preferUiBridges(pData->engine->getOptions().preferUiBridges && (pData->hints & PLUGIN_IS_BRIDGE) == 0);

  5053. #endif

  5054. 

  5055.         for (uint32_t i=0; i < fRdfDescriptor->UICount; ++i)

  5056.         {

  5057.             CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->UIs[i].URI != nullptr);

  5058. 

  5059.             const int ii(static_cast<int>(i));

  5060. 

  5061.             switch (fRdfDescriptor->UIs[i].Type)

  5062.             {

  5063.             case LV2_UI_QT4:

  5064.                 if (isUiBridgeable(i))

  5065.                     eQt4 = ii;

  5066.                 break;

  5067.             case LV2_UI_QT5:

  5068.                 if (isUiBridgeable(i))

  5069.                     eQt5 = ii;

  5070.                 break;

  5071.             case LV2_UI_GTK2:

  5072.                 if (isUiBridgeable(i))

  5073.                     eGtk2 = ii;

  5074.                 break;

  5075.             case LV2_UI_GTK3:

  5076.                 if (isUiBridgeable(i))

  5077.                     eGtk3 = ii;

  5078.                 break;

  5079.             case LV2_UI_COCOA:

  5080.                 if (isUiBridgeable(i) && preferUiBridges)

  5081.                     eCocoa = ii;

  5082.                 iCocoa = ii;

  5083.                 break;

  5084.             case LV2_UI_WINDOWS:

  5085.                 if (isUiBridgeable(i) && preferUiBridges)

  5086.                     eWindows = ii;

  5087.                 iWindows = ii;

  5088.                 break;

  5089.             case LV2_UI_X11:

  5090.                 if (isUiBridgeable(i) && preferUiBridges)

  5091.                     eX11 = ii;

  5092.                 iX11 = ii;

  5093.                 break;

  5094.             case LV2_UI_EXTERNAL:

  5095.             case LV2_UI_OLD_EXTERNAL:

  5096.                 if (isUiBridgeable(i))

  5097.                     eExt = ii;

  5098.                 iExt = ii;

  5099.                 break;

  5100.             case LV2_UI_MOD:

  5101.                 eMod = ii;

  5102.                 break;

  5103.             default:

  5104.                 break;

  5105.             }

  5106.         }

  5107. 

  5108.        if (fRdfDescriptor->Author != nullptr && std::strcmp(fRdfDescriptor->Author, "rncbc aka. Rui Nuno Capela") == 0)

  5109.        {

  5110.           eExt = -1;

  5111.           iExt = -1;

  5112.        }

  5113. 

  5114.         if (eQt4 >= 0)

  5115.             iFinal = eQt4;

  5116.         else if (eQt5 >= 0)

  5117.             iFinal = eQt5;

  5118.         else if (eGtk2 >= 0)

  5119.             iFinal = eGtk2;

  5120.         else if (eGtk3 >= 0)

  5121.             iFinal = eGtk3;

  5122. #ifdef CARLA_OS_MAC

  5123.         else if (eCocoa >= 0)

  5124.             iFinal = eCocoa;

  5125. #endif

  5126. #ifdef CARLA_OS_WIN

  5127.         else if (eWindows >= 0)

  5128.             iFinal = eWindows;

  5129. #endif

  5130. #ifdef HAVE_X11

  5131.         else if (eX11 >= 0)

  5132.             iFinal = eX11;

  5133. #endif

  5134.         //else if (eExt >= 0) // TODO

  5135.         //    iFinal = eExt;

  5136.         else if (eMod >= 0)

  5137.             iFinal = eMod;

  5138. #ifndef LV2_UIS_ONLY_BRIDGES

  5139. # ifdef CARLA_OS_MAC

  5140.         else if (iCocoa >= 0)

  5141.             iFinal = iCocoa;

  5142. # endif

  5143. # ifdef CARLA_OS_WIN

  5144.         else if (iWindows >= 0)

  5145.             iFinal = iWindows;

  5146. # endif

  5147. # ifdef HAVE_X11

  5148.         else if (iX11 >= 0)

  5149.             iFinal = iX11;

  5150. # endif

  5151. #endif

  5152.         else if (iExt >= 0)

  5153.             iFinal = iExt;

  5154. 

  5155.         if (iFinal < 0)

  5156.         {

  5157.             // no suitable UI found, see if there's one which supports ui:showInterface

  5158.             bool hasShowInterface = false;

  5159. 

  5160.             for (uint32_t i=0; i < fRdfDescriptor->UICount && ! hasShowInterface; ++i)

  5161.             {

  5162.                 LV2_RDF_UI* const ui(&fRdfDescriptor->UIs[i]);

  5163. 

  5164.                 if (std::strcmp(ui->URI, "http://drumkv1.sourceforge.net/lv2#ui") == 0 ||

  5165.                     std::strcmp(ui->URI, "http://samplv1.sourceforge.net/lv2#ui") == 0 ||

  5166.                     std::strcmp(ui->URI, "http://synthv1.sourceforge.net/lv2#ui") == 0 )

  5167.                 {

  5168.                     iFinal = static_cast<int>(i);

  5169.                     hasShowInterface = true;

  5170.                     break;

  5171.                 }

  5172. 

  5173.                 for (uint32_t j=0; j < ui->ExtensionCount; ++j)

  5174.                 {

  5175.                     CARLA_SAFE_ASSERT_CONTINUE(ui->Extensions[j] != nullptr);

  5176. 

  5177.                     if (std::strcmp(ui->Extensions[j], LV2_UI__showInterface) != 0)

  5178.                         continue;

  5179. 

  5180.                     iFinal = static_cast<int>(i);

  5181.                     hasShowInterface = true;

  5182.                     break;

  5183.                 }

  5184.             }

  5185. 

  5186.             if (! hasShowInterface)

  5187.             {

  5188.                 carla_stderr("Failed to find an appropriate LV2 UI for this plugin");

  5189.                 return;

  5190.             }

  5191.         }

  5192. 

  5193.         fUI.rdfDescriptor = &fRdfDescriptor->UIs[iFinal];

  5194. 

  5195.         // ---------------------------------------------------------------

  5196.         // check supported ui features

  5197. 

  5198.         bool canContinue = true;

  5199.         bool canDelete = true;

  5200. 

  5201.         for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i)

  5202.         {

  5203.             const char* const uri(fUI.rdfDescriptor->Features[i].URI);

  5204.             CARLA_SAFE_ASSERT_CONTINUE(uri != nullptr && uri[0] != '\0');

  5205. 

  5206.             if (! is_lv2_ui_feature_supported(uri))

  5207.             {

  5208.                 carla_stderr("Plugin UI requires a feature that is not supported:\n%s", uri);

  5209. 

  5210.                 if (LV2_IS_FEATURE_REQUIRED(fUI.rdfDescriptor->Features[i].Type))

  5211.                 {

  5212.                     canContinue = false;

  5213.                     break;

  5214.                 }

  5215.             }

  5216.             if (std::strcmp(uri, LV2_UI__makeResident) == 0)

  5217.                 canDelete = false;

  5218.         }

  5219. 

  5220.         if (! canContinue)

  5221.         {

  5222.             fUI.rdfDescriptor = nullptr;

  5223.             return;

  5224.         }

  5225. 

  5226.         // ---------------------------------------------------------------

  5227.         // initialize ui according to type

  5228. 

  5229.         const LV2_Property uiType(fUI.rdfDescriptor->Type);

  5230. 

  5231.         if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3 ||

  5232.             iFinal == eCocoa || iFinal == eWindows || iFinal == eX11 || iFinal == eExt || iFinal == eMod)

  5233.         {

  5234.             // -----------------------------------------------------------

  5235.             // initialize ui-bridge

  5236. 

  5237.             if (const char* const bridgeBinary = getUiBridgeBinary(uiType))

  5238.             {

  5239.                 carla_stdout("Will use UI-Bridge, binary: \"%s\"", bridgeBinary);

  5240. 

  5241.                 CarlaString guiTitle(pData->name);

  5242.                 guiTitle += " (GUI)";

  5243.                 fLv2Options.windowTitle = guiTitle.dup();

  5244. 

  5245.                 fUI.type = UI::TYPE_BRIDGE;

  5246.                 fPipeServer.setData(bridgeBinary, fRdfDescriptor->URI, fUI.rdfDescriptor->URI);

  5247. 

  5248.                 delete[] bridgeBinary;

  5249.                 return;

  5250.             }

  5251. 

  5252.             if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3)

  5253.             {

  5254.                 carla_stderr2("Failed to find UI bridge binary, cannot use UI");

  5255.                 fUI.rdfDescriptor = nullptr;

  5256.                 return;

  5257.             }

  5258.         }

  5259. 

  5260. #ifdef LV2_UIS_ONLY_BRIDGES

  5261.         carla_stderr2("Failed to get an UI working, canBridge:%s", bool2str(isUiBridgeable(static_cast<uint32_t>(iFinal))));

  5262.         fUI.rdfDescriptor = nullptr;

  5263.         return;

  5264. #endif

  5265. 

  5266.         // ---------------------------------------------------------------

  5267.         // open UI DLL

  5268. 

  5269.         if (! pData->uiLibOpen(fUI.rdfDescriptor->Binary, canDelete))

  5270.         {

  5271.             carla_stderr2("Could not load UI library, error was:\n%s", pData->libError(fUI.rdfDescriptor->Binary));

  5272.             fUI.rdfDescriptor = nullptr;

  5273.             return;

  5274.         }

  5275. 

  5276.         // ---------------------------------------------------------------

  5277.         // get UI DLL main entry

  5278. 

  5279.         LV2UI_DescriptorFunction uiDescFn = pData->uiLibSymbol<LV2UI_DescriptorFunction>("lv2ui_descriptor");

  5280. 

  5281.         if (uiDescFn == nullptr)

  5282.         {

  5283.             carla_stderr2("Could not find the LV2UI Descriptor in the UI library");

  5284.             pData->uiLibClose();

  5285.             fUI.rdfDescriptor = nullptr;

  5286.             return;

  5287.         }

  5288. 

  5289.         // ---------------------------------------------------------------

  5290.         // get UI descriptor that matches UI URI

  5291. 

  5292.         uint32_t i = 0;

  5293.         while ((fUI.descriptor = uiDescFn(i++)))

  5294.         {

  5295.             if (std::strcmp(fUI.descriptor->URI, fUI.rdfDescriptor->URI) == 0)

  5296.                 break;

  5297.         }

  5298. 

  5299.         if (fUI.descriptor == nullptr)

  5300.         {

  5301.             carla_stderr2("Could not find the requested GUI in the plugin UI library");

  5302.             pData->uiLibClose();

  5303.             fUI.rdfDescriptor = nullptr;

  5304.             return;

  5305.         }

  5306. 

  5307.         // ---------------------------------------------------------------

  5308.         // check if ui is usable

  5309. 

  5310.         switch (uiType)

  5311.         {

  5312.         case LV2_UI_QT4:

  5313.             carla_stdout("Will use LV2 Qt4 UI, NOT!");

  5314.             fUI.type = UI::TYPE_EMBED;

  5315.             break;

  5316.         case LV2_UI_QT5:

  5317.             carla_stdout("Will use LV2 Qt5 UI, NOT!");

  5318.             fUI.type = UI::TYPE_EMBED;

  5319.             break;

  5320.         case LV2_UI_GTK2:

  5321.             carla_stdout("Will use LV2 Gtk2 UI, NOT!");

  5322.             fUI.type = UI::TYPE_EMBED;

  5323.             break;

  5324.         case LV2_UI_GTK3:

  5325.             carla_stdout("Will use LV2 Gtk3 UI, NOT!");

  5326.             fUI.type = UI::TYPE_EMBED;

  5327.             break;

  5328. #ifdef CARLA_OS_MAC

  5329.         case LV2_UI_COCOA:

  5330.             carla_stdout("Will use LV2 Cocoa UI");

  5331.             fUI.type = UI::TYPE_EMBED;

  5332.             break;

  5333. #endif

  5334. #ifdef CARLA_OS_WIN

  5335.         case LV2_UI_WINDOWS:

  5336.             carla_stdout("Will use LV2 Windows UI");

  5337.             fUI.type = UI::TYPE_EMBED;

  5338.             break;

  5339. #endif

  5340.         case LV2_UI_X11:

  5341. #ifdef HAVE_X11

  5342.             carla_stdout("Will use LV2 X11 UI");

  5343. #else

  5344.             carla_stdout("Will use LV2 X11 UI, NOT!");

  5345. #endif

  5346.             fUI.type = UI::TYPE_EMBED;

  5347.             break;

  5348.         case LV2_UI_EXTERNAL:

  5349.         case LV2_UI_OLD_EXTERNAL:

  5350.             carla_stdout("Will use LV2 External UI");

  5351.             fUI.type = UI::TYPE_EXTERNAL;

  5352.             break;

  5353.         }

  5354. 

  5355.         if (fUI.type == UI::TYPE_NULL)

  5356.         {

  5357.             pData->uiLibClose();

  5358.             fUI.descriptor = nullptr;

  5359.             fUI.rdfDescriptor = nullptr;

  5360.             return;

  5361.         }

  5362. 

  5363.         // ---------------------------------------------------------------

  5364.         // initialize ui data

  5365. 

  5366.         CarlaString guiTitle(pData->name);

  5367.         guiTitle += " (GUI)";

  5368.         fLv2Options.windowTitle = guiTitle.dup();

  5369. 

  5370.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size  = (uint32_t)std::strlen(fLv2Options.windowTitle);

  5371.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle;

  5372. 

  5373.         // ---------------------------------------------------------------

  5374.         // initialize ui features (part 1)

  5375. 

  5376.         LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  5377.         uiDataFt->data_access                      = fDescriptor->extension_data;

  5378. 

  5379.         LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  5380.         uiPortMapFt->handle               = this;

  5381.         uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  5382. 

  5383.         LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  5384.         uiResizeFt->handle                = this;

  5385.         uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  5386. 

  5387.         LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  5388.         uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  5389.         uiExternalHostFt->plugin_human_id            = fLv2Options.windowTitle;

  5390. 

  5391.         // ---------------------------------------------------------------

  5392.         // initialize ui features (part 2)

  5393. 

  5394.         for (uint32_t j=kFeatureCountPlugin; j < kFeatureCountAll; ++j)

  5395.             fFeatures[j] = new LV2_Feature;

  5396. 

  5397.         fFeatures[kFeatureIdUiDataAccess]->URI      = LV2_DATA_ACCESS_URI;

  5398.         fFeatures[kFeatureIdUiDataAccess]->data     = uiDataFt;

  5399. 

  5400.         fFeatures[kFeatureIdUiInstanceAccess]->URI  = LV2_INSTANCE_ACCESS_URI;

  5401.         fFeatures[kFeatureIdUiInstanceAccess]->data = fHandle;

  5402. 

  5403.         fFeatures[kFeatureIdUiIdleInterface]->URI  = LV2_UI__idleInterface;

  5404.         fFeatures[kFeatureIdUiIdleInterface]->data = nullptr;

  5405. 

  5406.         fFeatures[kFeatureIdUiFixedSize]->URI      = LV2_UI__fixedSize;

  5407.         fFeatures[kFeatureIdUiFixedSize]->data     = nullptr;

  5408. 

  5409.         fFeatures[kFeatureIdUiMakeResident]->URI   = LV2_UI__makeResident;

  5410.         fFeatures[kFeatureIdUiMakeResident]->data  = nullptr;

  5411. 

  5412.         fFeatures[kFeatureIdUiNoUserResize]->URI   = LV2_UI__noUserResize;

  5413.         fFeatures[kFeatureIdUiNoUserResize]->data  = nullptr;

  5414. 

  5415.         fFeatures[kFeatureIdUiParent]->URI         = LV2_UI__parent;

  5416.         fFeatures[kFeatureIdUiParent]->data        = nullptr;

  5417. 

  5418.         fFeatures[kFeatureIdUiPortMap]->URI        = LV2_UI__portMap;

  5419.         fFeatures[kFeatureIdUiPortMap]->data       = uiPortMapFt;

  5420. 

  5421.         fFeatures[kFeatureIdUiPortSubscribe]->URI  = LV2_UI__portSubscribe;

  5422.         fFeatures[kFeatureIdUiPortSubscribe]->data = nullptr;

  5423. 

  5424.         fFeatures[kFeatureIdUiResize]->URI       = LV2_UI__resize;

  5425.         fFeatures[kFeatureIdUiResize]->data      = uiResizeFt;

  5426. 

  5427.         fFeatures[kFeatureIdUiTouch]->URI        = LV2_UI__touch;

  5428.         fFeatures[kFeatureIdUiTouch]->data       = nullptr;

  5429. 

  5430.         fFeatures[kFeatureIdExternalUi]->URI     = LV2_EXTERNAL_UI__Host;

  5431.         fFeatures[kFeatureIdExternalUi]->data    = uiExternalHostFt;

  5432. 

  5433.         fFeatures[kFeatureIdExternalUiOld]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  5434.         fFeatures[kFeatureIdExternalUiOld]->data = uiExternalHostFt;

  5435. 

  5436.         // ---------------------------------------------------------------

  5437.         // initialize ui extensions

  5438. 

  5439.         if (fUI.descriptor->extension_data == nullptr)

  5440.             return;

  5441. 

  5442.         fExt.uiidle     = (const LV2UI_Idle_Interface*)fUI.descriptor->extension_data(LV2_UI__idleInterface);

  5443.         fExt.uishow     = (const LV2UI_Show_Interface*)fUI.descriptor->extension_data(LV2_UI__showInterface);

  5444.         fExt.uiresize   = (const LV2UI_Resize*)fUI.descriptor->extension_data(LV2_UI__resize);

  5445.         fExt.uiprograms = (const LV2_Programs_UI_Interface*)fUI.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  5446. 

  5447.         // check if invalid

  5448.         if (fExt.uiidle != nullptr && fExt.uiidle->idle == nullptr)

  5449.             fExt.uiidle = nullptr;

  5450. 

  5451.         if (fExt.uishow != nullptr && (fExt.uishow->show == nullptr || fExt.uishow->hide == nullptr))

  5452.             fExt.uishow = nullptr;

  5453. 

  5454.         if (fExt.uiresize != nullptr && fExt.uiresize->ui_resize == nullptr)

  5455.             fExt.uiresize = nullptr;

  5456. 

  5457.         if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program == nullptr)

  5458.             fExt.uiprograms = nullptr;

  5459.     }

  5460. 

  5461.     // -------------------------------------------------------------------

  5462. 

  5463.     void handleTransferAtom(const uint32_t portIndex, const LV2_Atom* const atom)

  5464.     {

  5465.         CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);

  5466.         carla_debug("CarlaPluginLV2::handleTransferAtom(%i, %p)", portIndex, atom);

  5467. 

  5468.         fAtomBufferIn.put(atom, portIndex);

  5469.     }

  5470. 

  5471.     void handleUridMap(const LV2_URID urid, const char* const uri)

  5472.     {

  5473.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL,);

  5474.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0',);

  5475.         carla_debug("CarlaPluginLV2::handleUridMap(%i v " P_SIZE ", \"%s\")", urid, fCustomURIDs.count()-1, uri);

  5476. 

  5477.         if (urid < fCustomURIDs.count())

  5478.         {

  5479.             const char* const ourURI(carla_lv2_urid_unmap(this, urid));

  5480.             CARLA_SAFE_ASSERT_RETURN(ourURI != nullptr,);

  5481. 

  5482.             if (std::strcmp(ourURI, uri) != 0)

  5483.             {

  5484.                 carla_stderr2("PLUGIN :: wrong URI '%s' vs '%s'", ourURI,  uri);

  5485.             }

  5486.         }

  5487.         else

  5488.         {

  5489.             CARLA_SAFE_ASSERT_RETURN(urid == fCustomURIDs.count(),);

  5490.             fCustomURIDs.append(carla_strdup(uri));

  5491.         }

  5492.     }

  5493. 

  5494.     // -------------------------------------------------------------------

  5495. 

  5496. private:

  5497.     LV2_Handle   fHandle;

  5498.     LV2_Handle   fHandle2;

  5499.     LV2_Feature* fFeatures[kFeatureCountAll+1];

  5500.     const LV2_Descriptor*     fDescriptor;

  5501.     const LV2_RDF_Descriptor* fRdfDescriptor;

  5502. 

  5503.     float** fAudioInBuffers;

  5504.     float** fAudioOutBuffers;

  5505.     float** fCvInBuffers;

  5506.     float** fCvOutBuffers;

  5507.     float*  fParamBuffers;

  5508. 

  5509.     bool    fCanInit2; // some plugins don't like 2 instances

  5510.     bool    fLatencyChanged;

  5511.     int32_t fLatencyIndex; // -1 if invalid

  5512. 

  5513.     Lv2AtomRingBuffer fAtomBufferIn;

  5514.     Lv2AtomRingBuffer fAtomBufferOut;

  5515.     LV2_Atom_Forge    fAtomForge;

  5516. 

  5517.     CarlaPluginLV2EventData fEventsIn;

  5518.     CarlaPluginLV2EventData fEventsOut;

  5519.     CarlaPluginLV2Options   fLv2Options;

  5520.     CarlaPipeServerLV2      fPipeServer;

  5521. 

  5522.     LinkedList<const char*> fCustomURIDs;

  5523. 

  5524.     bool fFirstActive; // first process() call after activate()

  5525.     void* fLastStateChunk;

  5526.     EngineTimeInfo fLastTimeInfo;

  5527. 

  5528.     struct Extensions {

  5529.         const LV2_Options_Interface* options;

  5530.         const LV2_State_Interface* state;

  5531.         const LV2_Worker_Interface* worker;

  5532.         const LV2_Programs_Interface* programs;

  5533.         const LV2UI_Idle_Interface* uiidle;

  5534.         const LV2UI_Show_Interface* uishow;

  5535.         const LV2UI_Resize* uiresize;

  5536.         const LV2_Programs_UI_Interface* uiprograms;

  5537. 

  5538.         Extensions()

  5539.             : options(nullptr),

  5540.               state(nullptr),

  5541.               worker(nullptr),

  5542.               programs(nullptr),

  5543.               uiidle(nullptr),

  5544.               uishow(nullptr),

  5545.               uiresize(nullptr),

  5546.               uiprograms(nullptr) {}

  5547. 

  5548.         CARLA_DECLARE_NON_COPY_STRUCT(Extensions);

  5549.     } fExt;

  5550. 

  5551.     struct UI {

  5552.         enum Type {

  5553.             TYPE_NULL = 0,

  5554.             TYPE_BRIDGE,

  5555.             TYPE_EMBED,

  5556.             TYPE_EXTERNAL

  5557.         };

  5558. 

  5559.         Type type;

  5560.         LV2UI_Handle handle;

  5561.         LV2UI_Widget widget;

  5562.         const LV2UI_Descriptor* descriptor;

  5563.         const LV2_RDF_UI*       rdfDescriptor;

  5564. 

  5565.         CarlaPluginUI* window;

  5566. 

  5567.         UI()

  5568.             : type(TYPE_NULL),

  5569.               handle(nullptr),

  5570.               widget(nullptr),

  5571.               descriptor(nullptr),

  5572.               rdfDescriptor(nullptr),

  5573.               window(nullptr) {}

  5574. 

  5575.         ~UI()

  5576.         {

  5577.             CARLA_ASSERT(handle == nullptr);

  5578.             CARLA_ASSERT(widget == nullptr);

  5579.             CARLA_ASSERT(descriptor == nullptr);

  5580.             CARLA_ASSERT(rdfDescriptor == nullptr);

  5581.             CARLA_ASSERT(window == nullptr);

  5582.         }

  5583. 

  5584.         CARLA_DECLARE_NON_COPY_STRUCT(UI);

  5585.     } fUI;

  5586. 

  5587.     // -------------------------------------------------------------------

  5588.     // Event Feature

  5589. 

  5590.     static uint32_t carla_lv2_event_ref(LV2_Event_Callback_Data callback_data, LV2_Event* event)

  5591.     {

  5592.         CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0);

  5593.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0);

  5594.         carla_debug("carla_lv2_event_ref(%p, %p)", callback_data, event);

  5595. 

  5596.         return 0;

  5597.     }

  5598. 

  5599.     static uint32_t carla_lv2_event_unref(LV2_Event_Callback_Data callback_data, LV2_Event* event)

  5600.     {

  5601.         CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0);

  5602.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0);

  5603.         carla_debug("carla_lv2_event_unref(%p, %p)", callback_data, event);

  5604. 

  5605.         return 0;

  5606.     }

  5607. 

  5608.     // -------------------------------------------------------------------

  5609.     // Logs Feature

  5610. 

  5611.     static int carla_lv2_log_printf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)

  5612.     {

  5613.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0);

  5614.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, 0);

  5615.         CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0);

  5616. 

  5617. #ifndef DEBUG

  5618.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  5619.             return 0;

  5620. #endif

  5621. 

  5622.         va_list args;

  5623.         va_start(args, fmt);

  5624.         const int ret(carla_lv2_log_vprintf(handle, type, fmt, args));

  5625.         va_end(args);

  5626. 

  5627.         return ret;

  5628.     }

  5629. 

  5630.     static int carla_lv2_log_vprintf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, va_list ap)

  5631.     {

  5632.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0);

  5633.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, 0);

  5634.         CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0);

  5635. 

  5636. #ifndef DEBUG

  5637.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  5638.             return 0;

  5639. #endif

  5640. 

  5641.         int ret = 0;

  5642. 

  5643.         switch (type)

  5644.         {

  5645.         case CARLA_URI_MAP_ID_LOG_ERROR:

  5646.             std::fprintf(stderr, "\x1b[31m");

  5647.             ret = std::vfprintf(stderr, fmt, ap);

  5648.             std::fprintf(stderr, "\x1b[0m");

  5649.             break;

  5650. 

  5651.         case CARLA_URI_MAP_ID_LOG_NOTE:

  5652.             ret = std::vfprintf(stdout, fmt, ap);

  5653.             break;

  5654. 

  5655.         case CARLA_URI_MAP_ID_LOG_TRACE:

  5656. #ifdef DEBUG

  5657.             std::fprintf(stdout, "\x1b[30;1m");

  5658.             ret = std::vfprintf(stdout, fmt, ap);

  5659.             std::fprintf(stdout, "\x1b[0m");

  5660. #endif

  5661.             break;

  5662. 

  5663.         case CARLA_URI_MAP_ID_LOG_WARNING:

  5664.             ret = std::vfprintf(stderr, fmt, ap);

  5665.             break;

  5666. 

  5667.         default:

  5668.             break;

  5669.         }

  5670. 

  5671.         return ret;

  5672.     }

  5673. 

  5674.     // -------------------------------------------------------------------

  5675.     // Programs Feature

  5676. 

  5677.     static void carla_lv2_program_changed(LV2_Programs_Handle handle, int32_t index)

  5678.     {

  5679.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  5680.         carla_debug("carla_lv2_program_changed(%p, %i)", handle, index);

  5681. 

  5682.         ((CarlaPluginLV2*)handle)->handleProgramChanged(index);

  5683.     }

  5684. 

  5685.     // -------------------------------------------------------------------

  5686.     // Resize Port Feature

  5687. 

  5688.     static LV2_Resize_Port_Status carla_lv2_resize_port(LV2_Resize_Port_Feature_Data data, uint32_t index, size_t size)

  5689.     {

  5690.         CARLA_SAFE_ASSERT_RETURN(data != nullptr, LV2_RESIZE_PORT_ERR_UNKNOWN);

  5691.         carla_debug("carla_lv2_program_changed(%p, %i, " P_SIZE ")", data, index, size);

  5692. 

  5693.         return ((CarlaPluginLV2*)data)->handleResizePort(index, size);

  5694.     }

  5695. 

  5696.     // -------------------------------------------------------------------

  5697.     // State Feature

  5698. 

  5699.     static char* carla_lv2_state_make_path(LV2_State_Make_Path_Handle handle, const char* path)

  5700.     {

  5701.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5702.         CARLA_SAFE_ASSERT_RETURN(path != nullptr && path[0] != '\0', nullptr);

  5703.         carla_debug("carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  5704. 

  5705.         File file;

  5706. 

  5707.         if (File::isAbsolutePath(path))

  5708.             file = File(path);

  5709.         else

  5710.             file = File::getCurrentWorkingDirectory().getChildFile(path);

  5711. 

  5712.         file.getParentDirectory().createDirectory();

  5713. 

  5714.         return strdup(file.getFullPathName().toRawUTF8());

  5715.     }

  5716. 

  5717.     static char* carla_lv2_state_map_abstract_path(LV2_State_Map_Path_Handle handle, const char* absolute_path)

  5718.     {

  5719.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5720.         CARLA_SAFE_ASSERT_RETURN(absolute_path != nullptr && absolute_path[0] != '\0', nullptr);

  5721.         carla_debug("carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  5722. 

  5723.         // may already be an abstract path

  5724.         if (! File::isAbsolutePath(absolute_path))

  5725.             return strdup(absolute_path);

  5726. 

  5727.         return strdup(File(absolute_path).getRelativePathFrom(File::getCurrentWorkingDirectory()).toRawUTF8());

  5728.     }

  5729. 

  5730.     static char* carla_lv2_state_map_absolute_path(LV2_State_Map_Path_Handle handle, const char* abstract_path)

  5731.     {

  5732.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5733.         CARLA_SAFE_ASSERT_RETURN(abstract_path != nullptr && abstract_path[0] != '\0', nullptr);

  5734.         carla_debug("carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  5735. 

  5736.         // may already be an absolute path

  5737.         if (File::isAbsolutePath(abstract_path))

  5738.             return strdup(abstract_path);

  5739. 

  5740.         return strdup(File::getCurrentWorkingDirectory().getChildFile(abstract_path).getFullPathName().toRawUTF8());

  5741.     }

  5742. 

  5743.     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)

  5744.     {

  5745.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_STATE_ERR_UNKNOWN);

  5746.         carla_debug("carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  5747. 

  5748.         return ((CarlaPluginLV2*)handle)->handleStateStore(key, value, size, type, flags);

  5749.     }

  5750. 

  5751.     static const void* carla_lv2_state_retrieve(LV2_State_Handle handle, uint32_t key, size_t* size, uint32_t* type, uint32_t* flags)

  5752.     {

  5753.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5754.         carla_debug("carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  5755. 

  5756.         return ((CarlaPluginLV2*)handle)->handleStateRetrieve(key, size, type, flags);

  5757.     }

  5758. 

  5759.     // -------------------------------------------------------------------

  5760.     // URI-Map Feature

  5761. 

  5762.     static uint32_t carla_lv2_uri_to_id(LV2_URI_Map_Callback_Data data, const char* map, const char* uri)

  5763.     {

  5764.         carla_debug("carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  5765.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  5766. 

  5767.         // unused

  5768.         (void)map;

  5769.     }

  5770. 

  5771.     // -------------------------------------------------------------------

  5772.     // URID Feature

  5773. 

  5774.     static LV2_URID carla_lv2_urid_map(LV2_URID_Map_Handle handle, const char* uri)

  5775.     {

  5776.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, CARLA_URI_MAP_ID_NULL);

  5777.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', CARLA_URI_MAP_ID_NULL);

  5778.         carla_debug("carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  5779. 

  5780.         // Atom types

  5781.         if (std::strcmp(uri, LV2_ATOM__Blank) == 0)

  5782.             return CARLA_URI_MAP_ID_ATOM_BLANK;

  5783.         if (std::strcmp(uri, LV2_ATOM__Bool) == 0)

  5784.             return CARLA_URI_MAP_ID_ATOM_BOOL;

  5785.         if (std::strcmp(uri, LV2_ATOM__Chunk) == 0)

  5786.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  5787.         if (std::strcmp(uri, LV2_ATOM__Double) == 0)

  5788.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  5789.         if (std::strcmp(uri, LV2_ATOM__Event) == 0)

  5790.             return CARLA_URI_MAP_ID_ATOM_EVENT;

  5791.         if (std::strcmp(uri, LV2_ATOM__Float) == 0)

  5792.             return CARLA_URI_MAP_ID_ATOM_FLOAT;

  5793.         if (std::strcmp(uri, LV2_ATOM__Int) == 0)

  5794.             return CARLA_URI_MAP_ID_ATOM_INT;

  5795.         if (std::strcmp(uri, LV2_ATOM__Literal) == 0)

  5796.             return CARLA_URI_MAP_ID_ATOM_LITERAL;

  5797.         if (std::strcmp(uri, LV2_ATOM__Long) == 0)

  5798.             return CARLA_URI_MAP_ID_ATOM_LONG;

  5799.         if (std::strcmp(uri, LV2_ATOM__Number) == 0)

  5800.             return CARLA_URI_MAP_ID_ATOM_NUMBER;

  5801.         if (std::strcmp(uri, LV2_ATOM__Object) == 0)

  5802.             return CARLA_URI_MAP_ID_ATOM_OBJECT;

  5803.         if (std::strcmp(uri, LV2_ATOM__Path) == 0)

  5804.             return CARLA_URI_MAP_ID_ATOM_PATH;

  5805.         if (std::strcmp(uri, LV2_ATOM__Property) == 0)

  5806.             return CARLA_URI_MAP_ID_ATOM_PROPERTY;

  5807.         if (std::strcmp(uri, LV2_ATOM__Resource) == 0)

  5808.             return CARLA_URI_MAP_ID_ATOM_RESOURCE;

  5809.         if (std::strcmp(uri, LV2_ATOM__Sequence) == 0)

  5810.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  5811.         if (std::strcmp(uri, LV2_ATOM__Sound) == 0)

  5812.             return CARLA_URI_MAP_ID_ATOM_SOUND;

  5813.         if (std::strcmp(uri, LV2_ATOM__String) == 0)

  5814.             return CARLA_URI_MAP_ID_ATOM_STRING;

  5815.         if (std::strcmp(uri, LV2_ATOM__Tuple) == 0)

  5816.             return CARLA_URI_MAP_ID_ATOM_TUPLE;

  5817.         if (std::strcmp(uri, LV2_ATOM__URI) == 0)

  5818.             return CARLA_URI_MAP_ID_ATOM_URI;

  5819.         if (std::strcmp(uri, LV2_ATOM__URID) == 0)

  5820.             return CARLA_URI_MAP_ID_ATOM_URID;

  5821.         if (std::strcmp(uri, LV2_ATOM__Vector) == 0)

  5822.             return CARLA_URI_MAP_ID_ATOM_VECTOR;

  5823.         if (std::strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  5824.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  5825.         if (std::strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  5826.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  5827. 

  5828.         // BufSize types

  5829.         if (std::strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  5830.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  5831.         if (std::strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  5832.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  5833.         if (std::strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  5834.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  5835. 

  5836.         // Log types

  5837.         if (std::strcmp(uri, LV2_LOG__Error) == 0)

  5838.             return CARLA_URI_MAP_ID_LOG_ERROR;

  5839.         if (std::strcmp(uri, LV2_LOG__Note) == 0)

  5840.             return CARLA_URI_MAP_ID_LOG_NOTE;

  5841.         if (std::strcmp(uri, LV2_LOG__Trace) == 0)

  5842.             return CARLA_URI_MAP_ID_LOG_TRACE;

  5843.         if (std::strcmp(uri, LV2_LOG__Warning) == 0)

  5844.             return CARLA_URI_MAP_ID_LOG_WARNING;

  5845. 

  5846.         // Time types

  5847.         if (std::strcmp(uri, LV2_TIME__Position) == 0)

  5848.             return CARLA_URI_MAP_ID_TIME_POSITION;

  5849.         if (std::strcmp(uri, LV2_TIME__bar) == 0)

  5850.             return CARLA_URI_MAP_ID_TIME_BAR;

  5851.         if (std::strcmp(uri, LV2_TIME__barBeat) == 0)

  5852.             return CARLA_URI_MAP_ID_TIME_BAR_BEAT;

  5853.         if (std::strcmp(uri, LV2_TIME__beat) == 0)

  5854.             return CARLA_URI_MAP_ID_TIME_BEAT;

  5855.         if (std::strcmp(uri, LV2_TIME__beatUnit) == 0)

  5856.             return CARLA_URI_MAP_ID_TIME_BEAT_UNIT;

  5857.         if (std::strcmp(uri, LV2_TIME__beatsPerBar) == 0)

  5858.             return CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR;

  5859.         if (std::strcmp(uri, LV2_TIME__beatsPerMinute) == 0)

  5860.             return CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE;

  5861.         if (std::strcmp(uri, LV2_TIME__frame) == 0)

  5862.             return CARLA_URI_MAP_ID_TIME_FRAME;

  5863.         if (std::strcmp(uri, LV2_TIME__framesPerSecond) == 0)

  5864.             return CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND;

  5865.         if (std::strcmp(uri, LV2_TIME__speed) == 0)

  5866.             return CARLA_URI_MAP_ID_TIME_SPEED;

  5867.         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat) == 0)

  5868.             return CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT;

  5869. 

  5870.         // Others

  5871.         if (std::strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  5872.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  5873.         if (std::strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  5874.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  5875.         if (std::strcmp(uri, LV2_UI__windowTitle) == 0)

  5876.             return CARLA_URI_MAP_ID_UI_WINDOW_TITLE;

  5877. 

  5878.         // Custom

  5879.         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TransientWindowId) == 0)

  5880.             return CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID;

  5881.         if (std::strcmp(uri, URI_CARLA_ATOM_WORKER) == 0)

  5882.             return CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  5883. 

  5884.         // Custom types

  5885.         return ((CarlaPluginLV2*)handle)->getCustomURID(uri);

  5886.     }

  5887. 

  5888.     static const char* carla_lv2_urid_unmap(LV2_URID_Map_Handle handle, LV2_URID urid)

  5889.     {

  5890.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5891.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL, nullptr);

  5892.         carla_debug("carla_lv2_urid_unmap(%p, %i)", handle, urid);

  5893. 

  5894.         // Atom types

  5895.         if (urid == CARLA_URI_MAP_ID_ATOM_BLANK)

  5896.             return LV2_ATOM__Blank;

  5897.         if (urid == CARLA_URI_MAP_ID_ATOM_BOOL)

  5898.             return LV2_ATOM__Bool;

  5899.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  5900.             return LV2_ATOM__Chunk;

  5901.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  5902.             return LV2_ATOM__Double;

  5903.         if (urid == CARLA_URI_MAP_ID_ATOM_EVENT)

  5904.             return LV2_ATOM__Event;

  5905.         if (urid == CARLA_URI_MAP_ID_ATOM_FLOAT)

  5906.             return LV2_ATOM__Float;

  5907.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  5908.             return LV2_ATOM__Int;

  5909.         if (urid == CARLA_URI_MAP_ID_ATOM_LITERAL)

  5910.             return LV2_ATOM__Literal;

  5911.         if (urid == CARLA_URI_MAP_ID_ATOM_LONG)

  5912.             return LV2_ATOM__Long;

  5913.         if (urid == CARLA_URI_MAP_ID_ATOM_NUMBER)

  5914.             return LV2_ATOM__Number;

  5915.         if (urid == CARLA_URI_MAP_ID_ATOM_OBJECT)

  5916.             return LV2_ATOM__Object;

  5917.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  5918.             return LV2_ATOM__Path;

  5919.         if (urid == CARLA_URI_MAP_ID_ATOM_PROPERTY)

  5920.             return LV2_ATOM__Property;

  5921.         if (urid == CARLA_URI_MAP_ID_ATOM_RESOURCE)

  5922.             return LV2_ATOM__Resource;

  5923.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  5924.             return LV2_ATOM__Sequence;

  5925.         if (urid == CARLA_URI_MAP_ID_ATOM_SOUND)

  5926.             return LV2_ATOM__Sound;

  5927.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  5928.             return LV2_ATOM__String;

  5929.         if (urid == CARLA_URI_MAP_ID_ATOM_TUPLE)

  5930.             return LV2_ATOM__Tuple;

  5931.         if (urid == CARLA_URI_MAP_ID_ATOM_URI)

  5932.             return LV2_ATOM__URI;

  5933.         if (urid == CARLA_URI_MAP_ID_ATOM_URID)

  5934.             return LV2_ATOM__URID;

  5935.         if (urid == CARLA_URI_MAP_ID_ATOM_VECTOR)

  5936.             return LV2_ATOM__Vector;

  5937.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  5938.             return LV2_ATOM__atomTransfer;

  5939.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  5940.             return LV2_ATOM__eventTransfer;

  5941. 

  5942.         // BufSize types

  5943.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  5944.             return LV2_BUF_SIZE__maxBlockLength;

  5945.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  5946.             return LV2_BUF_SIZE__minBlockLength;

  5947.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  5948.             return LV2_BUF_SIZE__sequenceSize;

  5949. 

  5950.         // Log types

  5951.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  5952.             return LV2_LOG__Error;

  5953.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  5954.             return LV2_LOG__Note;

  5955.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  5956.             return LV2_LOG__Trace;

  5957.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  5958.             return LV2_LOG__Warning;

  5959. 

  5960.         // Time types

  5961.         if (urid == CARLA_URI_MAP_ID_TIME_POSITION)

  5962.             return LV2_TIME__Position;

  5963.         if (urid == CARLA_URI_MAP_ID_TIME_BAR)

  5964.             return LV2_TIME__bar;

  5965.         if (urid == CARLA_URI_MAP_ID_TIME_BAR_BEAT)

  5966.             return LV2_TIME__barBeat;

  5967.         if (urid == CARLA_URI_MAP_ID_TIME_BEAT)

  5968.             return LV2_TIME__beat;

  5969.         if (urid == CARLA_URI_MAP_ID_TIME_BEAT_UNIT)

  5970.             return LV2_TIME__beatUnit;

  5971.         if (urid == CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR)

  5972.             return LV2_TIME__beatsPerBar;

  5973.         if (urid == CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE)

  5974.             return LV2_TIME__beatsPerMinute;

  5975.         if (urid == CARLA_URI_MAP_ID_TIME_FRAME)

  5976.             return LV2_TIME__frame;

  5977.         if (urid == CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND)

  5978.             return LV2_TIME__framesPerSecond;

  5979.         if (urid == CARLA_URI_MAP_ID_TIME_SPEED)

  5980.             return LV2_TIME__speed;

  5981.         if (urid == CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT)

  5982.             return LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat;

  5983. 

  5984.         // Others

  5985.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  5986.             return LV2_MIDI__MidiEvent;

  5987.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  5988.             return LV2_PARAMETERS__sampleRate;

  5989.         if (urid == CARLA_URI_MAP_ID_UI_WINDOW_TITLE)

  5990.             return LV2_UI__windowTitle;

  5991. 

  5992.         // Custom

  5993.         if (urid == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  5994.             return URI_CARLA_ATOM_WORKER;

  5995.         if (urid == CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID)

  5996.             return LV2_KXSTUDIO_PROPERTIES__TransientWindowId;

  5997. 

  5998.         // Custom types

  5999.         return ((CarlaPluginLV2*)handle)->getCustomURIDString(urid);

  6000.     }

  6001. 

  6002.     // -------------------------------------------------------------------

  6003.     // Worker Feature

  6004. 

  6005.     static LV2_Worker_Status carla_lv2_worker_schedule(LV2_Worker_Schedule_Handle handle, uint32_t size, const void* data)

  6006.     {

  6007.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN);

  6008.         carla_debug("carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  6009. 

  6010.         return ((CarlaPluginLV2*)handle)->handleWorkerSchedule(size, data);

  6011.     }

  6012. 

  6013.     static LV2_Worker_Status carla_lv2_worker_respond(LV2_Worker_Respond_Handle handle, uint32_t size, const void* data)

  6014.     {

  6015.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN);

  6016.         carla_debug("carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  6017. 

  6018.         return ((CarlaPluginLV2*)handle)->handleWorkerRespond(size, data);

  6019.     }

  6020. 

  6021.     // -------------------------------------------------------------------

  6022.     // External UI Feature

  6023. 

  6024.     static void carla_lv2_external_ui_closed(LV2UI_Controller controller)

  6025.     {

  6026.         CARLA_SAFE_ASSERT_RETURN(controller != nullptr,);

  6027.         carla_debug("carla_lv2_external_ui_closed(%p)", controller);

  6028. 

  6029.         ((CarlaPluginLV2*)controller)->handleExternalUIClosed();

  6030.     }

  6031. 

  6032.     // -------------------------------------------------------------------

  6033.     // UI Port-Map Feature

  6034. 

  6035.     static uint32_t carla_lv2_ui_port_map(LV2UI_Feature_Handle handle, const char* symbol)

  6036.     {

  6037.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2UI_INVALID_PORT_INDEX);

  6038.         carla_debug("carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  6039. 

  6040.         return ((CarlaPluginLV2*)handle)->handleUIPortMap(symbol);

  6041.     }

  6042. 

  6043.     // -------------------------------------------------------------------

  6044.     // UI Resize Feature

  6045. 

  6046.     static int carla_lv2_ui_resize(LV2UI_Feature_Handle handle, int width, int height)

  6047.     {

  6048.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 1);

  6049.         carla_debug("carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  6050. 

  6051.         return ((CarlaPluginLV2*)handle)->handleUIResize(width, height);

  6052.     }

  6053. 

  6054.     // -------------------------------------------------------------------

  6055.     // UI Extension

  6056. 

  6057.     static void carla_lv2_ui_write_function(LV2UI_Controller controller, uint32_t port_index, uint32_t buffer_size, uint32_t format, const void* buffer)

  6058.     {

  6059.         CARLA_SAFE_ASSERT_RETURN(controller != nullptr,);

  6060.         carla_debug("carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  6061. 

  6062.         ((CarlaPluginLV2*)controller)->handleUIWrite(port_index, buffer_size, format, buffer);

  6063.     }

  6064. 

  6065.     // -------------------------------------------------------------------

  6066.     // Lilv State

  6067. 

  6068.     static void carla_lilv_set_port_value(const char* port_symbol, void* user_data, const void* value, uint32_t size, uint32_t type)

  6069.     {

  6070.         CARLA_SAFE_ASSERT_RETURN(user_data != nullptr,);

  6071.         carla_debug("carla_lilv_set_port_value(\"%s\", %p, %p, %i, %i", port_symbol, user_data, value, size, type);

  6072. 

  6073.         ((CarlaPluginLV2*)user_data)->handleLilvSetPortValue(port_symbol, value, size, type);

  6074.     }

  6075. 

  6076.     // -------------------------------------------------------------------

  6077. 

  6078.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLV2)

  6079. };

  6080. 

  6081. // -------------------------------------------------------------------------------------------------------------------

  6082. 

  6083. bool CarlaPipeServerLV2::msgReceived(const char* const msg) noexcept

  6084. {

  6085.     if (std::strcmp(msg, "exiting") == 0)

  6086.     {

  6087.         closePipeServer();

  6088.         fUiState = UiHide;

  6089.         return true;

  6090.     }

  6091. 

  6092.     if (std::strcmp(msg, "control") == 0)

  6093.     {

  6094.         uint32_t index;

  6095.         float value;

  6096. 

  6097.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6098.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  6099. 

  6100.         try {

  6101.             kPlugin->handleUIWrite(index, sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  6102.         } CARLA_SAFE_EXCEPTION("magReceived control");

  6103. 

  6104.         return true;

  6105.     }

  6106. 

  6107.     if (std::strcmp(msg, "atom") == 0)

  6108.     {

  6109.         uint32_t index, size;

  6110.         const char* base64atom;

  6111. 

  6112.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6113.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(size), true);

  6114.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(base64atom), true);

  6115. 

  6116.         std::vector<uint8_t> chunk(carla_getChunkFromBase64String(base64atom));

  6117.         delete[] base64atom;

  6118.         CARLA_SAFE_ASSERT_RETURN(chunk.size() >= sizeof(LV2_Atom), true);

  6119. 

  6120.         const LV2_Atom* const atom((const LV2_Atom*)chunk.data());

  6121.         CARLA_SAFE_ASSERT_RETURN(lv2_atom_total_size(atom) == chunk.size(), true);

  6122. 

  6123.         try {

  6124.             kPlugin->handleUIWrite(index, lv2_atom_total_size(atom), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  6125.         } CARLA_SAFE_EXCEPTION("magReceived atom");

  6126. 

  6127.         return true;

  6128.     }

  6129. 

  6130.     if (std::strcmp(msg, "program") == 0)

  6131.     {

  6132.         uint32_t index;

  6133. 

  6134.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6135. 

  6136.         try {

  6137.             kPlugin->setMidiProgram(static_cast<int32_t>(index), false, true, true);

  6138.         } CARLA_SAFE_EXCEPTION("msgReceived program");

  6139. 

  6140.         return true;

  6141.     }

  6142. 

  6143.     if (std::strcmp(msg, "urid") == 0)

  6144.     {

  6145.         uint32_t urid;

  6146.         const char* uri;

  6147. 

  6148.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(urid), true);

  6149.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(uri), true);

  6150. 

  6151.         if (urid != 0)

  6152.         {

  6153.             try {

  6154.                 kPlugin->handleUridMap(urid, uri);

  6155.             } CARLA_SAFE_EXCEPTION("msgReceived urid");

  6156.         }

  6157. 

  6158.         delete[] uri;

  6159.         return true;

  6160.     }

  6161. 

  6162.     return false;

  6163. }

  6164. 

  6165. // -------------------------------------------------------------------------------------------------------------------

  6166. 

  6167. CarlaPlugin* CarlaPlugin::newLV2(const Initializer& init)

  6168. {

  6169.     carla_debug("CarlaPlugin::newLV2({%p, \"%s\", \"%s\", " P_INT64 "})", init.engine, init.name, init.label, init.uniqueId);

  6170. 

  6171.     CarlaPluginLV2* const plugin(new CarlaPluginLV2(init.engine, init.id));

  6172. 

  6173.     if (! plugin->init(init.name, init.label))

  6174.     {

  6175.         delete plugin;

  6176.         return nullptr;

  6177.     }

  6178. 

  6179.     plugin->reload();

  6180. 

  6181.     bool canRun = true;

  6182. 

  6183.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  6184.     {

  6185.         if (! plugin->canRunInRack())

  6186.         {

  6187.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo LV2 plugins, sorry!");

  6188.             canRun = false;

  6189.         }

  6190.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  6191.         {

  6192.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  6193.             canRun = false;

  6194.         }

  6195.     }

  6196.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  6197.     {

  6198.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  6199.         canRun = false;

  6200.     }

  6201. 

  6202.     if (! canRun)

  6203.     {

  6204.         delete plugin;

  6205.         return nullptr;

  6206.     }

  6207. 

  6208.     return plugin;

  6209. }

  6210. 

  6211. // -------------------------------------------------------------------------------------------------------------------

  6212. 

  6213. CARLA_BACKEND_END_NAMESPACE