falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3277 Commits
16 Branches
330MB
Tree: 2bec51d2b4
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '2bec51d2b4'
${ noResults }
Carla/source/backend/plugin/CarlaPluginLV2.cpp

6233 lines
234KB
Raw Blame History 

  1. /*

  2.  * Carla LV2 Plugin

  3.  * Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. // testing macros

  19. // #define LV2_UIS_ONLY_BRIDGES

  20. // #define LV2_UIS_ONLY_INPROCESS

  21. 

  22. #include "CarlaPluginInternal.hpp"

  23. #include "CarlaEngine.hpp"

  24. 

  25. #include "CarlaLv2Utils.hpp"

  26. 

  27. #include "CarlaBase64Utils.hpp"

  28. #include "CarlaEngineUtils.hpp"

  29. #include "CarlaPipeUtils.hpp"

  30. #include "CarlaPluginUI.hpp"

  31. #include "Lv2AtomRingBuffer.hpp"

  32. 

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

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

  35. 

  36. extern "C" {

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

  38. }

  39. 

  40. #include "juce_core/juce_core.h"

  41. 

  42. using juce::File;

  43. 

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

  45. 

  46. CARLA_BACKEND_START_NAMESPACE

  47. 

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

  49. 

  50. // Maximum default buffer size

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

  52. 

  53. // Extra Plugin Hints

  54. const uint PLUGIN_HAS_EXTENSION_OPTIONS  = 0x1000;

  55. const uint PLUGIN_HAS_EXTENSION_PROGRAMS = 0x2000;

  56. const uint PLUGIN_HAS_EXTENSION_STATE    = 0x4000;

  57. const uint PLUGIN_HAS_EXTENSION_WORKER   = 0x8000;

  58. 

  59. // Extra Parameter Hints

  60. const uint PARAMETER_IS_STRICT_BOUNDS = 0x1000;

  61. const uint PARAMETER_IS_TRIGGER       = 0x2000;

  62. 

  63. // LV2 Event Data/Types

  64. const uint CARLA_EVENT_DATA_ATOM    = 0x01;

  65. const uint CARLA_EVENT_DATA_EVENT   = 0x02;

  66. const uint CARLA_EVENT_DATA_MIDI_LL = 0x04;

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

  68. const uint CARLA_EVENT_TYPE_MIDI    = 0x20;

  69. const uint CARLA_EVENT_TYPE_TIME    = 0x40;

  70. 

  71. // LV2 URI Map Ids

  72. const uint32_t CARLA_URI_MAP_ID_NULL                   =  0;

  73. const uint32_t CARLA_URI_MAP_ID_ATOM_BLANK             =  1;

  74. const uint32_t CARLA_URI_MAP_ID_ATOM_BOOL              =  2;

  75. const uint32_t CARLA_URI_MAP_ID_ATOM_CHUNK             =  3;

  76. const uint32_t CARLA_URI_MAP_ID_ATOM_DOUBLE            =  4;

  77. const uint32_t CARLA_URI_MAP_ID_ATOM_EVENT             =  5;

  78. const uint32_t CARLA_URI_MAP_ID_ATOM_FLOAT             =  6;

  79. const uint32_t CARLA_URI_MAP_ID_ATOM_INT               =  7;

  80. const uint32_t CARLA_URI_MAP_ID_ATOM_LITERAL           =  8;

  81. const uint32_t CARLA_URI_MAP_ID_ATOM_LONG              =  9;

  82. const uint32_t CARLA_URI_MAP_ID_ATOM_NUMBER            = 10;

  83. const uint32_t CARLA_URI_MAP_ID_ATOM_OBJECT            = 11;

  84. const uint32_t CARLA_URI_MAP_ID_ATOM_PATH              = 12;

  85. const uint32_t CARLA_URI_MAP_ID_ATOM_PROPERTY          = 13;

  86. const uint32_t CARLA_URI_MAP_ID_ATOM_RESOURCE          = 14;

  87. const uint32_t CARLA_URI_MAP_ID_ATOM_SEQUENCE          = 15;

  88. const uint32_t CARLA_URI_MAP_ID_ATOM_SOUND             = 16;

  89. const uint32_t CARLA_URI_MAP_ID_ATOM_STRING            = 17;

  90. const uint32_t CARLA_URI_MAP_ID_ATOM_TUPLE             = 18;

  91. const uint32_t CARLA_URI_MAP_ID_ATOM_URI               = 19;

  92. const uint32_t CARLA_URI_MAP_ID_ATOM_URID              = 20;

  93. const uint32_t CARLA_URI_MAP_ID_ATOM_VECTOR            = 21;

  94. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM     = 22;

  95. const uint32_t CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT    = 23;

  96. const uint32_t CARLA_URI_MAP_ID_BUF_MAX_LENGTH         = 24;

  97. const uint32_t CARLA_URI_MAP_ID_BUF_MIN_LENGTH         = 25;

  98. const uint32_t CARLA_URI_MAP_ID_BUF_NOMINAL_LENGTH     = 26;

  99. const uint32_t CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE      = 27;

  100. const uint32_t CARLA_URI_MAP_ID_LOG_ERROR              = 28;

  101. const uint32_t CARLA_URI_MAP_ID_LOG_NOTE               = 29;

  102. const uint32_t CARLA_URI_MAP_ID_LOG_TRACE              = 30;

  103. const uint32_t CARLA_URI_MAP_ID_LOG_WARNING            = 31;

  104. const uint32_t CARLA_URI_MAP_ID_TIME_POSITION          = 32; // base type

  105. const uint32_t CARLA_URI_MAP_ID_TIME_BAR               = 33; // values

  106. const uint32_t CARLA_URI_MAP_ID_TIME_BAR_BEAT          = 34;

  107. const uint32_t CARLA_URI_MAP_ID_TIME_BEAT              = 35;

  108. const uint32_t CARLA_URI_MAP_ID_TIME_BEAT_UNIT         = 36;

  109. const uint32_t CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR     = 37;

  110. const uint32_t CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE  = 38;

  111. const uint32_t CARLA_URI_MAP_ID_TIME_FRAME             = 39;

  112. const uint32_t CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND = 40;

  113. const uint32_t CARLA_URI_MAP_ID_TIME_SPEED             = 41;

  114. const uint32_t CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT    = 42;

  115. const uint32_t CARLA_URI_MAP_ID_MIDI_EVENT             = 43;

  116. const uint32_t CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE      = 44;

  117. const uint32_t CARLA_URI_MAP_ID_UI_WINDOW_TITLE        = 45;

  118. const uint32_t CARLA_URI_MAP_ID_CARLA_ATOM_WORKER      = 46;

  119. const uint32_t CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID = 47;

  120. const uint32_t CARLA_URI_MAP_ID_COUNT                  = 48;

  121. 

  122. // LV2 Feature Ids

  123. const uint32_t kFeatureIdBufSizeBounded   =  0;

  124. const uint32_t kFeatureIdBufSizeFixed     =  1;

  125. const uint32_t kFeatureIdBufSizePowerOf2  =  2;

  126. const uint32_t kFeatureIdEvent            =  3;

  127. const uint32_t kFeatureIdHardRtCapable    =  4;

  128. const uint32_t kFeatureIdInPlaceBroken    =  5;

  129. const uint32_t kFeatureIdIsLive           =  6;

  130. const uint32_t kFeatureIdLogs             =  7;

  131. const uint32_t kFeatureIdOptions          =  8;

  132. const uint32_t kFeatureIdPrograms         =  9;

  133. const uint32_t kFeatureIdResizePort       = 10;

  134. const uint32_t kFeatureIdRtMemPool        = 11;

  135. const uint32_t kFeatureIdRtMemPoolOld     = 12;

  136. const uint32_t kFeatureIdStateMakePath    = 13;

  137. const uint32_t kFeatureIdStateMapPath     = 14;

  138. const uint32_t kFeatureIdStrictBounds     = 15;

  139. const uint32_t kFeatureIdUriMap           = 16;

  140. const uint32_t kFeatureIdUridMap          = 17;

  141. const uint32_t kFeatureIdUridUnmap        = 18;

  142. const uint32_t kFeatureIdWorker           = 19;

  143. const uint32_t kFeatureCountPlugin        = 20;

  144. const uint32_t kFeatureIdUiDataAccess     = 20;

  145. const uint32_t kFeatureIdUiInstanceAccess = 21;

  146. const uint32_t kFeatureIdUiIdleInterface  = 22;

  147. const uint32_t kFeatureIdUiFixedSize      = 23;

  148. const uint32_t kFeatureIdUiMakeResident   = 24;

  149. const uint32_t kFeatureIdUiMakeResident2  = 25;

  150. const uint32_t kFeatureIdUiNoUserResize   = 26;

  151. const uint32_t kFeatureIdUiParent         = 27;

  152. const uint32_t kFeatureIdUiPortMap        = 28;

  153. const uint32_t kFeatureIdUiPortSubscribe  = 29;

  154. const uint32_t kFeatureIdUiResize         = 30;

  155. const uint32_t kFeatureIdUiTouch          = 31;

  156. const uint32_t kFeatureIdExternalUi       = 32;

  157. const uint32_t kFeatureIdExternalUiOld    = 33;

  158. const uint32_t kFeatureCountAll           = 34;

  159. 

  160. // -----------------------------------------------------

  161. 

  162. struct Lv2EventData {

  163.     uint32_t type;

  164.     uint32_t rindex;

  165.     CarlaEngineEventPort* port;

  166. 

  167.     union {

  168.         LV2_Atom_Buffer* atom;

  169.         LV2_Event_Buffer* event;

  170.         LV2_MIDI midi;

  171.     };

  172. 

  173.     Lv2EventData() noexcept

  174.         : type(0x0),

  175.           rindex(0),

  176.           port(nullptr) {}

  177. 

  178.     ~Lv2EventData() noexcept

  179.     {

  180.         if (port != nullptr)

  181.         {

  182.             delete port;

  183.             port = nullptr;

  184.         }

  185. 

  186.         const uint32_t rtype(type);

  187.         type = 0x0;

  188. 

  189.         if (rtype & CARLA_EVENT_DATA_ATOM)

  190.         {

  191.             CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);

  192. 

  193.             std::free(atom);

  194.             atom = nullptr;

  195.         }

  196.         else if (rtype & CARLA_EVENT_DATA_EVENT)

  197.         {

  198.             CARLA_SAFE_ASSERT_RETURN(event != nullptr,);

  199. 

  200.             std::free(event);

  201.             event = nullptr;

  202.         }

  203.         else if (rtype & CARLA_EVENT_DATA_MIDI_LL)

  204.         {

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

  206. 

  207.             delete[] midi.data;

  208.             midi.data = nullptr;

  209.         }

  210.     }

  211. 

  212.     CARLA_DECLARE_NON_COPY_STRUCT(Lv2EventData)

  213. };

  214. 

  215. struct CarlaPluginLV2EventData {

  216.     uint32_t count;

  217.     Lv2EventData* data;

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

  219.     uint32_t ctrlIndex;

  220. 

  221.     CarlaPluginLV2EventData() noexcept

  222.         : count(0),

  223.           data(nullptr),

  224.           ctrl(nullptr),

  225.           ctrlIndex(0) {}

  226. 

  227.     ~CarlaPluginLV2EventData() noexcept

  228.     {

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

  230.         CARLA_SAFE_ASSERT(data == nullptr);

  231.         CARLA_SAFE_ASSERT(ctrl == nullptr);

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

  233.     }

  234. 

  235.     void createNew(const uint32_t newCount)

  236.     {

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

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

  239.         CARLA_SAFE_ASSERT_RETURN(data == nullptr,);

  240.         CARLA_SAFE_ASSERT_RETURN(ctrl == nullptr,);

  241.         CARLA_SAFE_ASSERT_RETURN(newCount > 0,);

  242. 

  243.         data  = new Lv2EventData[newCount];

  244.         count = newCount;

  245. 

  246.         ctrl      = nullptr;

  247.         ctrlIndex = 0;

  248.     }

  249. 

  250.     void clear() noexcept

  251.     {

  252.         if (data != nullptr)

  253.         {

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

  255.             {

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

  257.                     data[i].port = nullptr;

  258.             }

  259. 

  260.             delete[] data;

  261.             data = nullptr;

  262.         }

  263. 

  264.         count = 0;

  265. 

  266.         ctrl      = nullptr;

  267.         ctrlIndex = 0;

  268.     }

  269. 

  270.     void initBuffers() const noexcept

  271.     {

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

  273.         {

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

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

  276.         }

  277.     }

  278. 

  279.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2EventData)

  280. };

  281. 

  282. // -----------------------------------------------------

  283. 

  284. struct CarlaPluginLV2Options {

  285.     enum OptIndex {

  286.         MaxBlockLenth = 0,

  287.         MinBlockLenth,

  288.         NominalBlockLenth,

  289.         SequenceSize,

  290.         SampleRate,

  291.         FrontendWinId,

  292.         WindowTitle,

  293.         Null,

  294.         Count

  295.     };

  296. 

  297.     int maxBufferSize;

  298.     int minBufferSize;

  299.     int nominalBufferSize;

  300.     int sequenceSize;

  301.     double sampleRate;

  302.     int64_t frontendWinId;

  303.     const char* windowTitle;

  304.     LV2_Options_Option opts[Count];

  305. 

  306.     CarlaPluginLV2Options() noexcept

  307.         : maxBufferSize(0),

  308.           minBufferSize(0),

  309.           sequenceSize(MAX_DEFAULT_BUFFER_SIZE),

  310.           sampleRate(0.0),

  311.           frontendWinId(0),

  312.           windowTitle(nullptr)

  313.     {

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

  315.         optMaxBlockLenth.context = LV2_OPTIONS_INSTANCE;

  316.         optMaxBlockLenth.subject = 0;

  317.         optMaxBlockLenth.key     = CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  318.         optMaxBlockLenth.size    = sizeof(int);

  319.         optMaxBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  320.         optMaxBlockLenth.value   = &maxBufferSize;

  321. 

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

  323.         optMinBlockLenth.context = LV2_OPTIONS_INSTANCE;

  324.         optMinBlockLenth.subject = 0;

  325.         optMinBlockLenth.key     = CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  326.         optMinBlockLenth.size    = sizeof(int);

  327.         optMinBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  328.         optMinBlockLenth.value   = &minBufferSize;

  329. 

  330.         LV2_Options_Option& optNominalBlockLenth(opts[NominalBlockLenth]);

  331.         optNominalBlockLenth.context = LV2_OPTIONS_INSTANCE;

  332.         optNominalBlockLenth.subject = 0;

  333.         optNominalBlockLenth.key     = CARLA_URI_MAP_ID_BUF_NOMINAL_LENGTH;

  334.         optNominalBlockLenth.size    = sizeof(int);

  335.         optNominalBlockLenth.type    = CARLA_URI_MAP_ID_ATOM_INT;

  336.         optNominalBlockLenth.value   = &nominalBufferSize;

  337. 

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

  339.         optSequenceSize.context = LV2_OPTIONS_INSTANCE;

  340.         optSequenceSize.subject = 0;

  341.         optSequenceSize.key     = CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  342.         optSequenceSize.size    = sizeof(int);

  343.         optSequenceSize.type    = CARLA_URI_MAP_ID_ATOM_INT;

  344.         optSequenceSize.value   = &sequenceSize;

  345. 

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

  347.         optSampleRate.context = LV2_OPTIONS_INSTANCE;

  348.         optSampleRate.subject = 0;

  349.         optSampleRate.key     = CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  350.         optSampleRate.size    = sizeof(double);

  351.         optSampleRate.type    = CARLA_URI_MAP_ID_ATOM_DOUBLE;

  352.         optSampleRate.value   = &sampleRate;

  353. 

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

  355.         optFrontendWinId.context = LV2_OPTIONS_INSTANCE;

  356.         optFrontendWinId.subject = 0;

  357.         optFrontendWinId.key     = CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID;

  358.         optFrontendWinId.size    = sizeof(int64_t);

  359.         optFrontendWinId.type    = CARLA_URI_MAP_ID_ATOM_LONG;

  360.         optFrontendWinId.value   = &frontendWinId;

  361. 

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

  363.         optWindowTitle.context = LV2_OPTIONS_INSTANCE;

  364.         optWindowTitle.subject = 0;

  365.         optWindowTitle.key     = CARLA_URI_MAP_ID_UI_WINDOW_TITLE;

  366.         optWindowTitle.size    = 0;

  367.         optWindowTitle.type    = CARLA_URI_MAP_ID_ATOM_STRING;

  368.         optWindowTitle.value   = nullptr;

  369. 

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

  371.         optNull.context = LV2_OPTIONS_INSTANCE;

  372.         optNull.subject = 0;

  373.         optNull.key     = CARLA_URI_MAP_ID_NULL;

  374.         optNull.size    = 0;

  375.         optNull.type    = CARLA_URI_MAP_ID_NULL;

  376.         optNull.value   = nullptr;

  377.     }

  378. 

  379.     ~CarlaPluginLV2Options() noexcept

  380.     {

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

  382. 

  383.         optWindowTitle.size  = 0;

  384.         optWindowTitle.value = nullptr;

  385. 

  386.         if (windowTitle != nullptr)

  387.         {

  388.             delete[] windowTitle;

  389.             windowTitle = nullptr;

  390.         }

  391.     }

  392. 

  393.     CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2Options);

  394. };

  395. 

  396. // -----------------------------------------------------------------------

  397. 

  398. class CarlaPluginLV2;

  399. 

  400. class CarlaPipeServerLV2 : public CarlaPipeServer

  401. {

  402. public:

  403.     enum UiState {

  404.         UiNone = 0,

  405.         UiHide,

  406.         UiShow,

  407.         UiCrashed

  408.     };

  409. 

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

  411.         : kEngine(engine),

  412.           kPlugin(plugin),

  413.           fFilename(),

  414.           fPluginURI(),

  415.           fUiURI(),

  416.           fUiState(UiNone) {}

  417. 

  418.     ~CarlaPipeServerLV2() noexcept override

  419.     {

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

  421.     }

  422. 

  423.     UiState getAndResetUiState() noexcept

  424.     {

  425.         const UiState uiState(fUiState);

  426.         fUiState = UiNone;

  427.         return uiState;

  428.     }

  429. 

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

  431.     {

  432.         fFilename  = filename;

  433.         fPluginURI = pluginURI;

  434.         fUiURI     = uiURI;

  435.     }

  436. 

  437.     bool startPipeServer() noexcept

  438.     {

  439.         const ScopedEngineEnvironmentLocker _seel(kEngine);

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

  441. #ifdef CARLA_OS_LINUX

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

  443. #endif

  444. 

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

  446.     }

  447. 

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

  449.     {

  450.         char tmpBuf[0xff+1];

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

  452. 

  453.         const CarlaMutexLocker cml(getPipeLock());

  454.         const ScopedLocale csl;

  455. 

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

  457. 

  458.         {

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

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

  461. 

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

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

  464. 

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

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

  467. 

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

  469. 

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

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

  472.         }

  473. 

  474.         flushMessages();

  475.     }

  476. 

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

  478.     {

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

  480. 

  481.         const CarlaMutexLocker cml(getPipeLock());

  482. 

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

  484.         writeAndFixMessage(title);

  485.         flushMessages();

  486.     }

  487. 

  488. protected:

  489.     // returns true if msg was handled

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

  491. 

  492. private:

  493.     CarlaEngine*    const kEngine;

  494.     CarlaPluginLV2* const kPlugin;

  495. 

  496.     CarlaString fFilename;

  497.     CarlaString fPluginURI;

  498.     CarlaString fUiURI;

  499.     UiState     fUiState;

  500. 

  501.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPipeServerLV2)

  502. };

  503. 

  504. // -----------------------------------------------------

  505. 

  506. class CarlaPluginLV2 : public CarlaPlugin,

  507.                        private CarlaPluginUI::CloseCallback

  508. {

  509. public:

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

  511.         : CarlaPlugin(engine, id),

  512.           fHandle(nullptr),

  513.           fHandle2(nullptr),

  514.           fDescriptor(nullptr),

  515.           fRdfDescriptor(nullptr),

  516.           fAudioInBuffers(nullptr),

  517.           fAudioOutBuffers(nullptr),

  518.           fCvInBuffers(nullptr),

  519.           fCvOutBuffers(nullptr),

  520.           fParamBuffers(nullptr),

  521.           fCanInit2(true),

  522.           fNeedsUiClose(false),

  523.           //fLatencyChanged(false),

  524.           fLatencyIndex(-1),

  525.           fAtomBufferIn(),

  526.           fAtomBufferOut(),

  527.           fAtomForge(),

  528.           fEventsIn(),

  529.           fEventsOut(),

  530.           fLv2Options(),

  531.           fPipeServer(engine, this),

  532.           fCustomURIDs(),

  533.           fFirstActive(true),

  534.           fLastStateChunk(nullptr),

  535.           fLastTimeInfo(),

  536.           fExt(),

  537.           fUI()

  538.     {

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

  540. 

  541.         carla_zeroPointers(fFeatures, kFeatureCountAll+1);

  542. 

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

  544.             fCustomURIDs.append(nullptr);

  545. 

  546. #if defined(__clang__)

  547. # pragma clang diagnostic push

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

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

  550. # pragma GCC diagnostic push

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

  552. #endif

  553.         fAtomForge.Blank    = CARLA_URI_MAP_ID_ATOM_BLANK;

  554.         fAtomForge.Bool     = CARLA_URI_MAP_ID_ATOM_BOOL;

  555.         fAtomForge.Chunk    = CARLA_URI_MAP_ID_ATOM_CHUNK;

  556.         fAtomForge.Double   = CARLA_URI_MAP_ID_ATOM_DOUBLE;

  557.         fAtomForge.Float    = CARLA_URI_MAP_ID_ATOM_FLOAT;

  558.         fAtomForge.Int      = CARLA_URI_MAP_ID_ATOM_INT;

  559.         fAtomForge.Literal  = CARLA_URI_MAP_ID_ATOM_LITERAL;

  560.         fAtomForge.Long     = CARLA_URI_MAP_ID_ATOM_LONG;

  561.         fAtomForge.Object   = CARLA_URI_MAP_ID_ATOM_OBJECT;

  562.         fAtomForge.Path     = CARLA_URI_MAP_ID_ATOM_PATH;

  563.         fAtomForge.Property = CARLA_URI_MAP_ID_ATOM_PROPERTY;

  564.         fAtomForge.Resource = CARLA_URI_MAP_ID_ATOM_RESOURCE;

  565.         fAtomForge.Sequence = CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  566.         fAtomForge.String   = CARLA_URI_MAP_ID_ATOM_STRING;

  567.         fAtomForge.Tuple    = CARLA_URI_MAP_ID_ATOM_TUPLE;

  568.         fAtomForge.URI      = CARLA_URI_MAP_ID_ATOM_URI;

  569.         fAtomForge.URID     = CARLA_URI_MAP_ID_ATOM_URID;

  570.         fAtomForge.Vector   = CARLA_URI_MAP_ID_ATOM_VECTOR;

  571. #if defined(__clang__)

  572. # pragma clang diagnostic pop

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

  574. # pragma GCC diagnostic pop

  575. #endif

  576.     }

  577. 

  578.     ~CarlaPluginLV2() override

  579.     {

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

  581. 

  582.         // close UI

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

  584.         {

  585.             showCustomUI(false);

  586. 

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

  588.             {

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

  590.             }

  591.             else

  592.             {

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

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

  595. 

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

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

  598. 

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

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

  601. 

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

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

  604. 

  605.                 fUI.descriptor = nullptr;

  606.                 pData->uiLibClose();

  607.             }

  608. 

  609. #ifndef LV2_UIS_ONLY_BRIDGES

  610.             if (fUI.window != nullptr)

  611.             {

  612.                 delete fUI.window;

  613.                 fUI.window = nullptr;

  614.             }

  615. #endif

  616. 

  617.             fUI.rdfDescriptor = nullptr;

  618.         }

  619. 

  620.         pData->singleMutex.lock();

  621.         pData->masterMutex.lock();

  622. 

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

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

  625. 

  626.         if (pData->active)

  627.         {

  628.             deactivate();

  629.             pData->active = false;

  630.         }

  631. 

  632.         if (fDescriptor != nullptr)

  633.         {

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

  635.             {

  636.                 if (fHandle != nullptr)

  637.                     fDescriptor->cleanup(fHandle);

  638.                 if (fHandle2 != nullptr)

  639.                     fDescriptor->cleanup(fHandle2);

  640.             }

  641. 

  642.             fHandle  = nullptr;

  643.             fHandle2 = nullptr;

  644.             fDescriptor = nullptr;

  645.         }

  646. 

  647.         if (fRdfDescriptor != nullptr)

  648.         {

  649.             delete fRdfDescriptor;

  650.             fRdfDescriptor = nullptr;

  651.         }

  652. 

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

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

  655. 

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

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

  658. 

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

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

  661. 

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

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

  664. 

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

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

  667. 

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

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

  670. 

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

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

  673. 

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

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

  676. 

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

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

  679. 

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

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

  682. 

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

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

  685. 

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

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

  688. 

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

  690.         {

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

  692.             {

  693.                 delete fFeatures[i];

  694.                 fFeatures[i] = nullptr;

  695.             }

  696.         }

  697. 

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

  699.         {

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

  701. 

  702.             if (uri != nullptr)

  703.                 delete[] uri;

  704.         }

  705. 

  706.         fCustomURIDs.clear();

  707. 

  708.         if (fLastStateChunk != nullptr)

  709.         {

  710.             std::free(fLastStateChunk);

  711.             fLastStateChunk = nullptr;

  712.         }

  713. 

  714.         clearBuffers();

  715.     }

  716. 

  717.     // -------------------------------------------------------------------

  718.     // Information (base)

  719. 

  720.     PluginType getType() const noexcept override

  721.     {

  722.         return PLUGIN_LV2;

  723.     }

  724. 

  725.     PluginCategory getCategory() const noexcept override

  726.     {

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

  728. 

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

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

  731. 

  732.         if (LV2_IS_DELAY(cat1, cat2))

  733.             return PLUGIN_CATEGORY_DELAY;

  734.         if (LV2_IS_DISTORTION(cat1, cat2))

  735.             return PLUGIN_CATEGORY_OTHER;

  736.         if (LV2_IS_DYNAMICS(cat1, cat2))

  737.             return PLUGIN_CATEGORY_DYNAMICS;

  738.         if (LV2_IS_EQ(cat1, cat2))

  739.             return PLUGIN_CATEGORY_EQ;

  740.         if (LV2_IS_FILTER(cat1, cat2))

  741.             return PLUGIN_CATEGORY_FILTER;

  742.         if (LV2_IS_GENERATOR(cat1, cat2))

  743.             return PLUGIN_CATEGORY_SYNTH;

  744.         if (LV2_IS_MODULATOR(cat1, cat2))

  745.             return PLUGIN_CATEGORY_MODULATOR;

  746.         if (LV2_IS_REVERB(cat1, cat2))

  747.             return PLUGIN_CATEGORY_DELAY;

  748.         if (LV2_IS_SIMULATOR(cat1, cat2))

  749.             return PLUGIN_CATEGORY_OTHER;

  750.         if (LV2_IS_SPATIAL(cat1, cat2))

  751.             return PLUGIN_CATEGORY_OTHER;

  752.         if (LV2_IS_SPECTRAL(cat1, cat2))

  753.             return PLUGIN_CATEGORY_UTILITY;

  754.         if (LV2_IS_UTILITY(cat1, cat2))

  755.             return PLUGIN_CATEGORY_UTILITY;

  756. 

  757.         return CarlaPlugin::getCategory();

  758.     }

  759. 

  760.     int64_t getUniqueId() const noexcept override

  761.     {

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

  763. 

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

  765.     }

  766. 

  767.     // -------------------------------------------------------------------

  768.     // Information (count)

  769. 

  770.     uint32_t getMidiInCount() const noexcept override

  771.     {

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

  773. 

  774.         uint32_t count = 0;

  775. 

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

  777.         {

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

  779. 

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

  781.                 ++count;

  782.         }

  783. 

  784.         return count;

  785.     }

  786. 

  787.     uint32_t getMidiOutCount() const noexcept override

  788.     {

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

  790. 

  791.         uint32_t count = 0;

  792. 

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

  794.         {

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

  796. 

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

  798.                 ++count;

  799.         }

  800. 

  801.         return count;

  802.     }

  803. 

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

  805.     {

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

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

  808. 

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

  810. 

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

  812.         {

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

  814.             return port->ScalePointCount;

  815.         }

  816. 

  817.         return 0;

  818.     }

  819. 

  820.     // -------------------------------------------------------------------

  821.     // Information (current data)

  822. 

  823.     // nothing

  824. 

  825.     // -------------------------------------------------------------------

  826.     // Information (per-plugin data)

  827. 

  828.     uint getOptionsAvailable() const noexcept override

  829.     {

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

  831. 

  832.         uint options = 0x0;

  833. 

  834.         if (fExt.programs != nullptr)

  835.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  836. 

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

  838.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  839. 

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

  841.         {

  842.             if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  843.                 options |= PLUGIN_OPTION_FORCE_STEREO;

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

  845.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  846.         }

  847. 

  848.         if (hasMidiIn)

  849.         {

  850.             options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES;

  851.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  852.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  853.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  854.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  855.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  856.         }

  857. 

  858.         return options;

  859.     }

  860. 

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

  862.     {

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

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

  865. 

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

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

  868. 

  869.         return fParamBuffers[parameterId];

  870.     }

  871. 

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

  873.     {

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

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

  876. 

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

  878. 

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

  880.         {

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

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

  883. 

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

  885.             return portScalePoint->Value;

  886.         }

  887. 

  888.         return 0.0f;

  889.     }

  890. 

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

  892.     {

  893.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

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

  895. 

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

  897.     }

  898. 

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

  900.     {

  901.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  902. 

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

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

  905.         else

  906.             CarlaPlugin::getMaker(strBuf);

  907.     }

  908. 

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

  910.     {

  911.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  912. 

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

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

  915.         else

  916.             CarlaPlugin::getCopyright(strBuf);

  917.     }

  918. 

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

  920.     {

  921.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  922. 

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

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

  925.         else

  926.             CarlaPlugin::getRealName(strBuf);

  927.     }

  928. 

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

  930.     {

  931.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

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

  933. 

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

  935. 

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

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

  938.         else

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

  940.     }

  941. 

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

  943.     {

  944.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

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

  946. 

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

  948. 

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

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

  951.         else

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

  953.     }

  954. 

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

  956.     {

  957.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

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

  959. 

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

  961. 

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

  963.         {

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

  965. 

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

  967.             {

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

  969.                 return;

  970.             }

  971. 

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

  973.             {

  974.                 switch (port->Unit.Unit)

  975.                 {

  976.                 case LV2_PORT_UNIT_BAR:

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

  978.                     return;

  979.                 case LV2_PORT_UNIT_BEAT:

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

  981.                     return;

  982.                 case LV2_PORT_UNIT_BPM:

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

  984.                     return;

  985.                 case LV2_PORT_UNIT_CENT:

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

  987.                     return;

  988.                 case LV2_PORT_UNIT_CM:

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

  990.                     return;

  991.                 case LV2_PORT_UNIT_COEF:

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

  993.                     return;

  994.                 case LV2_PORT_UNIT_DB:

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

  996.                     return;

  997.                 case LV2_PORT_UNIT_DEGREE:

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

  999.                     return;

  1000.                 case LV2_PORT_UNIT_FRAME:

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

  1002.                     return;

  1003.                 case LV2_PORT_UNIT_HZ:

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

  1005.                     return;

  1006.                 case LV2_PORT_UNIT_INCH:

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

  1008.                     return;

  1009.                 case LV2_PORT_UNIT_KHZ:

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

  1011.                     return;

  1012.                 case LV2_PORT_UNIT_KM:

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

  1014.                     return;

  1015.                 case LV2_PORT_UNIT_M:

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

  1017.                     return;

  1018.                 case LV2_PORT_UNIT_MHZ:

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

  1020.                     return;

  1021.                 case LV2_PORT_UNIT_MIDINOTE:

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

  1023.                     return;

  1024.                 case LV2_PORT_UNIT_MILE:

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

  1026.                     return;

  1027.                 case LV2_PORT_UNIT_MIN:

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

  1029.                     return;

  1030.                 case LV2_PORT_UNIT_MM:

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

  1032.                     return;

  1033.                 case LV2_PORT_UNIT_MS:

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

  1035.                     return;

  1036.                 case LV2_PORT_UNIT_OCT:

  1037.                     std::strncpy(strBuf, "oct", STR_MAX);

  1038.                     return;

  1039.                 case LV2_PORT_UNIT_PC:

  1040.                     std::strncpy(strBuf, "%", STR_MAX);

  1041.                     return;

  1042.                 case LV2_PORT_UNIT_S:

  1043.                     std::strncpy(strBuf, "s", STR_MAX);

  1044.                     return;

  1045.                 case LV2_PORT_UNIT_SEMITONE:

  1046.                     std::strncpy(strBuf, "semi", STR_MAX);

  1047.                     return;

  1048.                 }

  1049.             }

  1050.         }

  1051. 

  1052.         CarlaPlugin::getParameterUnit(parameterId, strBuf);

  1053.     }

  1054. 

  1055.     void getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override

  1056.     {

  1057.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  1058.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  1059. 

  1060.         const int32_t rindex(pData->param.data[parameterId].rindex);

  1061. 

  1062.         if (rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  1063.         {

  1064.             const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]);

  1065.             CARLA_SAFE_ASSERT_RETURN(scalePointId < port->ScalePointCount,);

  1066. 

  1067.             const LV2_RDF_PortScalePoint* const portScalePoint(&port->ScalePoints[scalePointId]);

  1068. 

  1069.             if (portScalePoint->Label != nullptr)

  1070.             {

  1071.                 std::strncpy(strBuf, portScalePoint->Label, STR_MAX);

  1072.                 return;

  1073.             }

  1074.         }

  1075. 

  1076.         CarlaPlugin::getParameterScalePointLabel(parameterId, scalePointId, strBuf);

  1077.     }

  1078. 

  1079.     // -------------------------------------------------------------------

  1080.     // Set data (state)

  1081. 

  1082.     void prepareForSave() override

  1083.     {

  1084.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1085. 

  1086.         if (fExt.state != nullptr && fExt.state->save != nullptr)

  1087.         {

  1088.             fExt.state->save(fHandle, carla_lv2_state_store, this, LV2_STATE_IS_POD, fFeatures);

  1089. 

  1090.             if (fHandle2 != nullptr)

  1091.                 fExt.state->save(fHandle2, carla_lv2_state_store, this, LV2_STATE_IS_POD, fFeatures);

  1092.         }

  1093.     }

  1094. 

  1095.     // -------------------------------------------------------------------

  1096.     // Set data (internal stuff)

  1097. 

  1098.     void setName(const char* const newName) override

  1099.     {

  1100.         CarlaPlugin::setName(newName);

  1101. 

  1102.         if (fLv2Options.windowTitle == nullptr)

  1103.             return;

  1104. 

  1105.         CarlaString guiTitle(pData->name);

  1106.         guiTitle += " (GUI)";

  1107. 

  1108.         delete[] fLv2Options.windowTitle;

  1109.         fLv2Options.windowTitle = guiTitle.dup();

  1110. 

  1111.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size  = (uint32_t)std::strlen(fLv2Options.windowTitle);

  1112.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle;

  1113. 

  1114.         if (fFeatures[kFeatureIdExternalUi] != nullptr && fFeatures[kFeatureIdExternalUi]->data != nullptr)

  1115.             ((LV2_External_UI_Host*)fFeatures[kFeatureIdExternalUi]->data)->plugin_human_id = fLv2Options.windowTitle;

  1116. 

  1117.         if (fPipeServer.isPipeRunning())

  1118.             fPipeServer.writeUiTitleMessage(fLv2Options.windowTitle);

  1119. 

  1120. #ifndef LV2_UIS_ONLY_BRIDGES

  1121.         if (fUI.window != nullptr)

  1122.             fUI.window->setTitle(fLv2Options.windowTitle);

  1123. #endif

  1124.     }

  1125. 

  1126.     // -------------------------------------------------------------------

  1127.     // Set data (plugin-specific stuff)

  1128. 

  1129.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1130.     {

  1131.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

  1132.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  1133. 

  1134.         const float fixedValue(pData->param.getFixedValue(parameterId, value));

  1135.         fParamBuffers[parameterId] = fixedValue;

  1136. 

  1137.         CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback);

  1138.     }

  1139. 

  1140.     void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override

  1141.     {

  1142.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1143.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1144.         CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  1145.         CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  1146.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  1147.         carla_debug("CarlaPluginLV2::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  1148. 

  1149.         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)

  1150.             return CarlaPlugin::setCustomData(type, key, value, sendGui);

  1151. 

  1152.         // we should only call state restore once

  1153.         // so inject this in CarlaPlugin::loadSaveState

  1154.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) == 0 && std::strcmp(key, "CarlaLoadLv2StateNow") == 0 && std::strcmp(value, "true") == 0)

  1155.         {

  1156.             if (fExt.state == nullptr)

  1157.                 return;

  1158. 

  1159.             LV2_State_Status status = LV2_STATE_ERR_UNKNOWN;

  1160. 

  1161.             {

  1162.                 const ScopedSingleProcessLocker spl(this, true);

  1163. 

  1164.                 try {

  1165.                     status = fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures);

  1166.                 } catch(...) {}

  1167. 

  1168.                 if (fHandle2 != nullptr)

  1169.                 {

  1170.                     try {

  1171.                         fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures);

  1172.                     } catch(...) {}

  1173.                 }

  1174.             }

  1175. 

  1176.             switch (status)

  1177.             {

  1178.             case LV2_STATE_SUCCESS:

  1179.                 carla_debug("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - success", type, key, bool2str(sendGui));

  1180.                 break;

  1181.             case LV2_STATE_ERR_UNKNOWN:

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

  1183.                 break;

  1184.             case LV2_STATE_ERR_BAD_TYPE:

  1185.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, bad type", type, key, bool2str(sendGui));

  1186.                 break;

  1187.             case LV2_STATE_ERR_BAD_FLAGS:

  1188.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, bad flags", type, key, bool2str(sendGui));

  1189.                 break;

  1190.             case LV2_STATE_ERR_NO_FEATURE:

  1191.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, missing feature", type, key, bool2str(sendGui));

  1192.                 break;

  1193.             case LV2_STATE_ERR_NO_PROPERTY:

  1194.                 carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", <value>, %s) - error, missing property", type, key, bool2str(sendGui));

  1195.                 break;

  1196.             }

  1197.             return;

  1198.         }

  1199. 

  1200.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  1201.     }

  1202. 

  1203.     void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1204.     {

  1205.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1206.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->prog.count),);

  1207. 

  1208.         if (index >= 0 && index < static_cast<int32_t>(fRdfDescriptor->PresetCount))

  1209.         {

  1210.             CARLA_SAFE_ASSERT_RETURN(fExt.state != nullptr,);

  1211. 

  1212.             LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fRdfDescriptor->Presets[index].URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data);

  1213.             CARLA_SAFE_ASSERT_RETURN(state != nullptr,);

  1214. 

  1215.             // invalidate midi-program selection

  1216.             CarlaPlugin::setMidiProgram(-1, false, false, sendCallback);

  1217. 

  1218.             {

  1219.                 const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  1220. 

  1221.                 lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures);

  1222. 

  1223.                 if (fHandle2 != nullptr)

  1224.                     lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures);

  1225.             }

  1226. 

  1227.             lilv_state_free(state);

  1228.         }

  1229. 

  1230.         CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback);

  1231.     }

  1232. 

  1233.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1234.     {

  1235.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1236.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  1237. 

  1238.         if (index >= 0 && fExt.programs != nullptr && fExt.programs->select_program != nullptr)

  1239.         {

  1240.             const uint32_t bank(pData->midiprog.data[index].bank);

  1241.             const uint32_t program(pData->midiprog.data[index].program);

  1242. 

  1243.             const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  1244. 

  1245.             try {

  1246.                 fExt.programs->select_program(fHandle, bank, program);

  1247.             } catch(...) {}

  1248. 

  1249.             if (fHandle2 != nullptr)

  1250.             {

  1251.                 try {

  1252.                     fExt.programs->select_program(fHandle2, bank, program);

  1253.                 } catch(...) {}

  1254.             }

  1255.         }

  1256. 

  1257.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  1258.     }

  1259. 

  1260.     // -------------------------------------------------------------------

  1261.     // Set ui stuff

  1262. 

  1263.     void showCustomUI(const bool yesNo) override

  1264.     {

  1265.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  1266. 

  1267.         const uintptr_t frontendWinId(pData->engine->getOptions().frontendWinId);

  1268. 

  1269.         if (! yesNo)

  1270.             pData->transientTryCounter = 0;

  1271. 

  1272.         if (fUI.type == UI::TYPE_BRIDGE)

  1273.         {

  1274.             if (yesNo)

  1275.             {

  1276.                 if (fPipeServer.isPipeRunning())

  1277.                 {

  1278.                     fPipeServer.writeFocusMessage();

  1279.                     return;

  1280.                 }

  1281. 

  1282.                 if (! fPipeServer.startPipeServer())

  1283.                 {

  1284.                     pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1285.                     return;

  1286.                 }

  1287. 

  1288.                 for (std::size_t i=CARLA_URI_MAP_ID_COUNT, count=fCustomURIDs.count(); i < count; ++i)

  1289.                     fPipeServer.writeLv2UridMessage(static_cast<uint32_t>(i), fCustomURIDs.getAt(i, nullptr));

  1290. 

  1291.                 fPipeServer.writeUiOptionsMessage(pData->engine->getSampleRate(), true, true, fLv2Options.windowTitle, frontendWinId);

  1292. 

  1293.                 // send control ports

  1294.                 for (uint32_t i=0; i < pData->param.count; ++i)

  1295.                     fPipeServer.writeControlMessage(static_cast<uint32_t>(pData->param.data[i].rindex), getParameterValue(i));

  1296. 

  1297.                 fPipeServer.writeShowMessage();

  1298. #ifndef BUILD_BRIDGE

  1299.                 if (fUI.rdfDescriptor->Type == LV2_UI_MOD)

  1300.                     pData->tryTransient();

  1301. #endif

  1302.             }

  1303.             else

  1304.             {

  1305.                 fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout);

  1306.             }

  1307.             return;

  1308.         }

  1309. 

  1310.         // take some precautions

  1311.         CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,);

  1312.         CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr,);

  1313. 

  1314.         if (yesNo)

  1315.         {

  1316.             CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->instantiate != nullptr,);

  1317.             CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->cleanup != nullptr,);

  1318.         }

  1319.         else

  1320.         {

  1321.             if (fUI.handle == nullptr)

  1322.                 return;

  1323.         }

  1324. 

  1325.         if (yesNo)

  1326.         {

  1327.             if (fUI.handle == nullptr)

  1328.             {

  1329. #ifndef LV2_UIS_ONLY_BRIDGES

  1330.                 if (fUI.type == UI::TYPE_EMBED && fUI.window == nullptr)

  1331.                 {

  1332.                     const char* msg = nullptr;

  1333. 

  1334.                     switch (fUI.rdfDescriptor->Type)

  1335.                     {

  1336.                     case LV2_UI_GTK2:

  1337.                     case LV2_UI_GTK3:

  1338.                     case LV2_UI_QT4:

  1339.                     case LV2_UI_QT5:

  1340.                     case LV2_UI_EXTERNAL:

  1341.                     case LV2_UI_OLD_EXTERNAL:

  1342.                         msg = "Invalid UI type";

  1343.                         break;

  1344. 

  1345.                     case LV2_UI_COCOA:

  1346. # ifdef CARLA_OS_MAC

  1347.                         fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, isUiResizable());

  1348. # else

  1349.                         msg = "UI is for MacOS only";

  1350. # endif

  1351.                         break;

  1352. 

  1353.                     case LV2_UI_WINDOWS:

  1354. # ifdef CARLA_OS_WIN

  1355.                         fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, isUiResizable());

  1356. # else

  1357.                         msg = "UI is for Windows only";

  1358. # endif

  1359.                         break;

  1360. 

  1361.                     case LV2_UI_X11:

  1362. # ifdef HAVE_X11

  1363.                         fUI.window = CarlaPluginUI::newX11(this, frontendWinId, isUiResizable());

  1364. # else

  1365.                         msg = "UI is only for systems with X11";

  1366. # endif

  1367.                         break;

  1368. 

  1369.                     default:

  1370.                         msg = "Unknown UI type";

  1371.                         break;

  1372.                     }

  1373. 

  1374.                     if (fUI.window == nullptr && fExt.uishow == nullptr)

  1375.                         return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, msg);

  1376. 

  1377.                     if (fUI.window != nullptr)

  1378.                         fFeatures[kFeatureIdUiParent]->data = fUI.window->getPtr();

  1379.                 }

  1380. #endif

  1381.                 if (fUI.window != nullptr)

  1382.                     fUI.window->setTitle(fLv2Options.windowTitle);

  1383. 

  1384.                 fUI.widget = nullptr;

  1385.                 fUI.handle = fUI.descriptor->instantiate(fUI.descriptor, fRdfDescriptor->URI, fUI.rdfDescriptor->Bundle,

  1386.                                                          carla_lv2_ui_write_function, this, &fUI.widget, fFeatures);

  1387.             }

  1388. 

  1389.             CARLA_SAFE_ASSERT(fUI.handle != nullptr);

  1390.             CARLA_SAFE_ASSERT(fUI.type != UI::TYPE_EXTERNAL || fUI.widget != nullptr);

  1391. 

  1392.             if (fUI.handle == nullptr || (fUI.type == UI::TYPE_EXTERNAL && fUI.widget == nullptr))

  1393.             {

  1394.                 fUI.widget = nullptr;

  1395. 

  1396.                 if (fUI.handle != nullptr)

  1397.                 {

  1398.                     fUI.descriptor->cleanup(fUI.handle);

  1399.                     fUI.handle = nullptr;

  1400.                 }

  1401. 

  1402.                 return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, "Plugin refused to open its own UI");

  1403.             }

  1404. 

  1405.             updateUi();

  1406. 

  1407. #ifndef LV2_UIS_ONLY_BRIDGES

  1408.             if (fUI.type == UI::TYPE_EMBED)

  1409.             {

  1410.                 if (fUI.window != nullptr)

  1411.                 {

  1412.                     fUI.window->show();

  1413.                 }

  1414.                 else if (fExt.uishow != nullptr)

  1415.                 {

  1416.                     fExt.uishow->show(fUI.handle);

  1417. # ifndef BUILD_BRIDGE

  1418.                     pData->tryTransient();

  1419. # endif

  1420.                 }

  1421.             }

  1422.             else

  1423. #endif

  1424.             {

  1425.                 LV2_EXTERNAL_UI_SHOW((LV2_External_UI_Widget*)fUI.widget);

  1426. #ifndef BUILD_BRIDGE

  1427.                 pData->tryTransient();

  1428. #endif

  1429.             }

  1430.         }

  1431.         else

  1432.         {

  1433. #ifndef LV2_UIS_ONLY_BRIDGES

  1434.             if (fUI.type == UI::TYPE_EMBED)

  1435.             {

  1436.                 if (fUI.window != nullptr)

  1437.                     fUI.window->hide();

  1438.                 else if (fExt.uishow != nullptr)

  1439.                     fExt.uishow->hide(fUI.handle);

  1440.             }

  1441.             else

  1442. #endif

  1443.             {

  1444.                 CARLA_SAFE_ASSERT(fUI.widget != nullptr);

  1445. 

  1446.                 if (fUI.widget != nullptr)

  1447.                     LV2_EXTERNAL_UI_HIDE((LV2_External_UI_Widget*)fUI.widget);

  1448.             }

  1449. 

  1450.             fUI.descriptor->cleanup(fUI.handle);

  1451.             fUI.handle = nullptr;

  1452.             fUI.widget = nullptr;

  1453.         }

  1454.     }

  1455. 

  1456. #if 0 // TODO

  1457.     void idle() override

  1458.     {

  1459.         if (fLatencyChanged && fLatencyIndex != -1)

  1460.         {

  1461.             fLatencyChanged = false;

  1462. 

  1463.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1464. 

  1465.             if (latency >= 0)

  1466.             {

  1467.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1468. 

  1469.                 if (pData->latency != ulatency)

  1470.                 {

  1471.                     carla_stdout("latency changed to %i", latency);

  1472. 

  1473.                     const ScopedSingleProcessLocker sspl(this, true);

  1474. 

  1475.                     pData->latency = ulatency;

  1476.                     pData->client->setLatency(ulatency);

  1477. #ifndef BUILD_BRIDGE

  1478.                     pData->recreateLatencyBuffers();

  1479. #endif

  1480.                 }

  1481.             }

  1482.             else

  1483.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1484.         }

  1485. 

  1486.         CarlaPlugin::idle();

  1487.     }

  1488. #endif

  1489. 

  1490.     void uiIdle() override

  1491.     {

  1492.         if (fAtomBufferOut.isDataAvailableForReading())

  1493.         {

  1494.             uint8_t dumpBuf[fAtomBufferOut.getSize()];

  1495. 

  1496.             Lv2AtomRingBuffer tmpRingBuffer(fAtomBufferOut, dumpBuf);

  1497.             CARLA_SAFE_ASSERT(tmpRingBuffer.isDataAvailableForReading());

  1498. 

  1499.             uint32_t portIndex;

  1500.             const LV2_Atom* atom;

  1501.             const bool hasPortEvent(fUI.handle != nullptr && fUI.descriptor != nullptr &&

  1502.                                     fUI.descriptor->port_event != nullptr && ! fNeedsUiClose);

  1503. 

  1504.             for (; tmpRingBuffer.get(atom, portIndex);)

  1505.             {

  1506.                 if (atom->type == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  1507.                 {

  1508.                     CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work != nullptr);

  1509.                     fExt.worker->work(fHandle, carla_lv2_worker_respond, this, atom->size, LV2_ATOM_BODY_CONST(atom));

  1510.                 }

  1511.                 else if (fUI.type == UI::TYPE_BRIDGE)

  1512.                 {

  1513.                     if (fPipeServer.isPipeRunning())

  1514.                         fPipeServer.writeLv2AtomMessage(portIndex, atom);

  1515.                 }

  1516.                 else

  1517.                 {

  1518.                     if (hasPortEvent)

  1519.                         fUI.descriptor->port_event(fUI.handle, portIndex, lv2_atom_total_size(atom), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  1520.                 }

  1521.             }

  1522.         }

  1523. 

  1524.         if (fPipeServer.isPipeRunning())

  1525.         {

  1526.             fPipeServer.idlePipe();

  1527. 

  1528.             switch (fPipeServer.getAndResetUiState())

  1529.             {

  1530.             case CarlaPipeServerLV2::UiNone:

  1531.             case CarlaPipeServerLV2::UiShow:

  1532.                 break;

  1533.             case CarlaPipeServerLV2::UiHide:

  1534.                 fPipeServer.stopPipeServer(2000);

  1535.                 // nobreak

  1536.             case CarlaPipeServerLV2::UiCrashed:

  1537.                 pData->transientTryCounter = 0;

  1538.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1539.                 break;

  1540.             }

  1541.         }

  1542.         else

  1543.         {

  1544.             // TODO - detect if ui-bridge crashed

  1545.         }

  1546. 

  1547.         if (fNeedsUiClose)

  1548.         {

  1549.             fNeedsUiClose = false;

  1550.             showCustomUI(false);

  1551.             pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1552.         }

  1553.         else if (fUI.handle != nullptr && fUI.descriptor != nullptr)

  1554.         {

  1555.             if (fUI.type == UI::TYPE_EXTERNAL && fUI.widget != nullptr)

  1556.                 LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)fUI.widget);

  1557. #ifndef LV2_UIS_ONLY_BRIDGES

  1558.             else if (fUI.type == UI::TYPE_EMBED && fUI.window != nullptr)

  1559.                 fUI.window->idle();

  1560. 

  1561.             // note: UI might have been closed by window idle

  1562.             if (fNeedsUiClose)

  1563.                 pass();

  1564.             else if (fUI.handle != nullptr && fExt.uiidle != nullptr && fExt.uiidle->idle(fUI.handle) != 0)

  1565.             {

  1566.                 showCustomUI(false);

  1567.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  1568.                 CARLA_SAFE_ASSERT(fUI.handle == nullptr);

  1569.             }

  1570. #endif

  1571.         }

  1572. 

  1573.         CarlaPlugin::uiIdle();

  1574.     }

  1575. 

  1576.     // -------------------------------------------------------------------

  1577.     // Plugin state

  1578. 

  1579.     void reload() override

  1580.     {

  1581.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  1582.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1583.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1584.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  1585.         carla_debug("CarlaPluginLV2::reload() - start");

  1586. 

  1587.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  1588. 

  1589.         // Safely disable plugin for reload

  1590.         const ScopedDisabler sd(this);

  1591. 

  1592.         if (pData->active)

  1593.             deactivate();

  1594. 

  1595.         clearBuffers();

  1596. 

  1597.         const float sampleRate(static_cast<float>(pData->engine->getSampleRate()));

  1598.         const uint32_t portCount(fRdfDescriptor->PortCount);

  1599. 

  1600.         uint32_t aIns, aOuts, cvIns, cvOuts, params;

  1601.         aIns = aOuts = cvIns = cvOuts = params = 0;

  1602.         LinkedList<uint> evIns, evOuts;

  1603. 

  1604.         const uint32_t eventBufferSize(static_cast<uint32_t>(fLv2Options.sequenceSize)+0xff);

  1605. 

  1606.         bool forcedStereoIn, forcedStereoOut;

  1607.         forcedStereoIn = forcedStereoOut = false;

  1608. 

  1609.         bool needsCtrlIn, needsCtrlOut;

  1610.         needsCtrlIn = needsCtrlOut = false;

  1611. 

  1612.         for (uint32_t i=0; i < portCount; ++i)

  1613.         {

  1614.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  1615. 

  1616.             if (LV2_IS_PORT_AUDIO(portTypes))

  1617.             {

  1618.                 if (LV2_IS_PORT_INPUT(portTypes))

  1619.                     aIns += 1;

  1620.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1621.                     aOuts += 1;

  1622.             }

  1623.             else if (LV2_IS_PORT_CV(portTypes))

  1624.             {

  1625.                 if (LV2_IS_PORT_INPUT(portTypes))

  1626.                     cvIns += 1;

  1627.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1628.                     cvOuts += 1;

  1629.             }

  1630.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes))

  1631.             {

  1632.                 if (LV2_IS_PORT_INPUT(portTypes))

  1633.                     evIns.append(CARLA_EVENT_DATA_ATOM);

  1634.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1635.                     evOuts.append(CARLA_EVENT_DATA_ATOM);

  1636.             }

  1637.             else if (LV2_IS_PORT_EVENT(portTypes))

  1638.             {

  1639.                 if (LV2_IS_PORT_INPUT(portTypes))

  1640.                     evIns.append(CARLA_EVENT_DATA_EVENT);

  1641.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1642.                     evOuts.append(CARLA_EVENT_DATA_EVENT);

  1643.             }

  1644.             else if (LV2_IS_PORT_MIDI_LL(portTypes))

  1645.             {

  1646.                 if (LV2_IS_PORT_INPUT(portTypes))

  1647.                     evIns.append(CARLA_EVENT_DATA_MIDI_LL);

  1648.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1649.                     evOuts.append(CARLA_EVENT_DATA_MIDI_LL);

  1650.             }

  1651.             else if (LV2_IS_PORT_CONTROL(portTypes))

  1652.                 params += 1;

  1653.         }

  1654. 

  1655.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && aIns <= 1 && aOuts <= 1 && fExt.state == nullptr && fExt.worker == nullptr)

  1656.         {

  1657.             if (fHandle2 == nullptr)

  1658.             {

  1659.                 try {

  1660.                     fHandle2 = fDescriptor->instantiate(fDescriptor, sampleRate, fRdfDescriptor->Bundle, fFeatures);

  1661.                 } catch(...) {}

  1662.             }

  1663. 

  1664.             if (fHandle2 != nullptr)

  1665.             {

  1666.                 if (aIns == 1)

  1667.                 {

  1668.                     aIns = 2;

  1669.                     forcedStereoIn = true;

  1670.                 }

  1671. 

  1672.                 if (aOuts == 1)

  1673.                 {

  1674.                     aOuts = 2;

  1675.                     forcedStereoOut = true;

  1676.                 }

  1677.             }

  1678.         }

  1679. 

  1680.         if (aIns > 0)

  1681.         {

  1682.             pData->audioIn.createNew(aIns);

  1683.             fAudioInBuffers = new float*[aIns];

  1684. 

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

  1686.                 fAudioInBuffers[i] = nullptr;

  1687.         }

  1688. 

  1689.         if (aOuts > 0)

  1690.         {

  1691.             pData->audioOut.createNew(aOuts);

  1692.             fAudioOutBuffers = new float*[aOuts];

  1693.             needsCtrlIn = true;

  1694. 

  1695.             for (uint32_t i=0; i < aOuts; ++i)

  1696.                 fAudioOutBuffers[i] = nullptr;

  1697.         }

  1698. 

  1699.         if (cvIns > 0)

  1700.         {

  1701.             pData->cvIn.createNew(cvIns);

  1702.             fCvInBuffers = new float*[cvIns];

  1703. 

  1704.             for (uint32_t i=0; i < cvIns; ++i)

  1705.                 fCvInBuffers[i] = nullptr;

  1706.         }

  1707. 

  1708.         if (cvOuts > 0)

  1709.         {

  1710.             pData->cvOut.createNew(cvOuts);

  1711.             fCvOutBuffers = new float*[cvOuts];

  1712. 

  1713.             for (uint32_t i=0; i < cvOuts; ++i)

  1714.                 fCvOutBuffers[i] = nullptr;

  1715.         }

  1716. 

  1717.         if (params > 0)

  1718.         {

  1719.             pData->param.createNew(params, true);

  1720.             fParamBuffers = new float[params];

  1721.             FloatVectorOperations::clear(fParamBuffers, static_cast<int>(params));

  1722.         }

  1723. 

  1724.         if (const uint32_t count = static_cast<uint32_t>(evIns.count()))

  1725.         {

  1726.             fEventsIn.createNew(count);

  1727. 

  1728.             for (uint32_t i=0; i < count; ++i)

  1729.             {

  1730.                 const uint32_t& type(evIns.getAt(i, 0x0));

  1731. 

  1732.                 if (type == CARLA_EVENT_DATA_ATOM)

  1733.                 {

  1734.                     fEventsIn.data[i].type = CARLA_EVENT_DATA_ATOM;

  1735.                     fEventsIn.data[i].atom = lv2_atom_buffer_new(eventBufferSize, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_ATOM_SEQUENCE, true);

  1736.                 }

  1737.                 else if (type == CARLA_EVENT_DATA_EVENT)

  1738.                 {

  1739.                     fEventsIn.data[i].type  = CARLA_EVENT_DATA_EVENT;

  1740.                     fEventsIn.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP);

  1741.                 }

  1742.                 else if (type == CARLA_EVENT_DATA_MIDI_LL)

  1743.                 {

  1744.                     fEventsIn.data[i].type = CARLA_EVENT_DATA_MIDI_LL;

  1745.                     fEventsIn.data[i].midi.capacity = eventBufferSize;

  1746.                     fEventsIn.data[i].midi.data     = new uchar[eventBufferSize];

  1747.                 }

  1748.             }

  1749.         }

  1750.         else

  1751.         {

  1752.             fEventsIn.createNew(1);

  1753.             fEventsIn.ctrl = &fEventsIn.data[0];

  1754.         }

  1755. 

  1756.         if (const uint32_t count = static_cast<uint32_t>(evOuts.count()))

  1757.         {

  1758.             fEventsOut.createNew(count);

  1759. 

  1760.             for (uint32_t i=0; i < count; ++i)

  1761.             {

  1762.                 const uint32_t& type(evOuts.getAt(i, 0x0));

  1763. 

  1764.                 if (type == CARLA_EVENT_DATA_ATOM)

  1765.                 {

  1766.                     fEventsOut.data[i].type = CARLA_EVENT_DATA_ATOM;

  1767.                     fEventsOut.data[i].atom = lv2_atom_buffer_new(eventBufferSize, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_ATOM_SEQUENCE, false);

  1768.                 }

  1769.                 else if (type == CARLA_EVENT_DATA_EVENT)

  1770.                 {

  1771.                     fEventsOut.data[i].type  = CARLA_EVENT_DATA_EVENT;

  1772.                     fEventsOut.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP);

  1773.                 }

  1774.                 else if (type == CARLA_EVENT_DATA_MIDI_LL)

  1775.                 {

  1776.                     fEventsOut.data[i].type = CARLA_EVENT_DATA_MIDI_LL;

  1777.                     fEventsOut.data[i].midi.capacity = eventBufferSize;

  1778.                     fEventsOut.data[i].midi.data     = new uchar[eventBufferSize];

  1779.                 }

  1780.             }

  1781.         }

  1782. 

  1783.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  1784.         CarlaString portName;

  1785. 

  1786.         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCvIn=0, iCvOut=0, iEvIn=0, iEvOut=0, iCtrl=0; i < portCount; ++i)

  1787.         {

  1788.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  1789. 

  1790.             portName.clear();

  1791. 

  1792.             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))

  1793.             {

  1794.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1795.                 {

  1796.                     portName  = pData->name;

  1797.                     portName += ":";

  1798.                 }

  1799. 

  1800.                 portName += fRdfDescriptor->Ports[i].Name;

  1801.                 portName.truncate(portNameSize);

  1802.             }

  1803. 

  1804.             if (LV2_IS_PORT_AUDIO(portTypes))

  1805.             {

  1806.                 if (LV2_IS_PORT_INPUT(portTypes))

  1807.                 {

  1808.                     const uint32_t j = iAudioIn++;

  1809.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

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

  1811. 

  1812.                     if (forcedStereoIn)

  1813.                     {

  1814.                         portName += "_2";

  1815.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1816.                         pData->audioIn.ports[1].rindex = i;

  1817.                     }

  1818.                 }

  1819.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1820.                 {

  1821.                     const uint32_t j = iAudioOut++;

  1822.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1823.                     pData->audioOut.ports[j].rindex = i;

  1824. 

  1825.                     if (forcedStereoOut)

  1826.                     {

  1827.                         portName += "_2";

  1828.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1829.                         pData->audioOut.ports[1].rindex = i;

  1830.                     }

  1831.                 }

  1832.                 else

  1833.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1834.             }

  1835.             else if (LV2_IS_PORT_CV(portTypes))

  1836.             {

  1837.                 if (LV2_IS_PORT_INPUT(portTypes))

  1838.                 {

  1839.                     const uint32_t j = iCvIn++;

  1840.                     pData->cvIn.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, true, j);

  1841.                     pData->cvIn.ports[j].rindex = i;

  1842.                 }

  1843.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1844.                 {

  1845.                     const uint32_t j = iCvOut++;

  1846.                     pData->cvOut.ports[j].port   = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, false, j);

  1847.                     pData->cvOut.ports[j].rindex = i;

  1848.                 }

  1849.                 else

  1850.                     carla_stderr("WARNING - Got a broken Port (CV, but not input or output)");

  1851.             }

  1852.             else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes))

  1853.             {

  1854.                 if (LV2_IS_PORT_INPUT(portTypes))

  1855.                 {

  1856.                     const uint32_t j = iEvIn++;

  1857. 

  1858.                     fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].atom->atoms);

  1859. 

  1860.                     if (fHandle2 != nullptr)

  1861.                         fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].atom->atoms);

  1862. 

  1863.                     fEventsIn.data[j].rindex = i;

  1864. 

  1865.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1866.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1867.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1868.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1869.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1870.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1871. 

  1872.                     if (evIns.count() == 1)

  1873.                     {

  1874.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1875.                         fEventsIn.ctrlIndex = j;

  1876. 

  1877.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1878.                             needsCtrlIn = true;

  1879.                     }

  1880.                     else

  1881.                     {

  1882.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1883.                             fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  1884. 

  1885.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1886.                         {

  1887.                             fEventsIn.ctrl = &fEventsIn.data[j];

  1888.                             fEventsIn.ctrlIndex = j;

  1889.                         }

  1890.                     }

  1891.                 }

  1892.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1893.                 {

  1894.                     const uint32_t j = iEvOut++;

  1895. 

  1896.                     fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].atom->atoms);

  1897. 

  1898.                     if (fHandle2 != nullptr)

  1899.                         fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].atom->atoms);

  1900. 

  1901.                     fEventsOut.data[j].rindex = i;

  1902. 

  1903.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1904.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1905.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1906.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1907.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1908.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1909. 

  1910.                     if (evOuts.count() == 1)

  1911.                     {

  1912.                         fEventsOut.ctrl = &fEventsOut.data[j];

  1913.                         fEventsOut.ctrlIndex = j;

  1914. 

  1915.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1916.                             needsCtrlOut = true;

  1917.                     }

  1918.                     else

  1919.                     {

  1920.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1921.                             fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  1922. 

  1923.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1924.                         {

  1925.                             fEventsOut.ctrl = &fEventsOut.data[j];

  1926.                             fEventsOut.ctrlIndex = j;

  1927.                         }

  1928.                     }

  1929.                 }

  1930.                 else

  1931.                     carla_stderr2("WARNING - Got a broken Port (Atom-Sequence, but not input or output)");

  1932.             }

  1933.             else if (LV2_IS_PORT_EVENT(portTypes))

  1934.             {

  1935.                 if (LV2_IS_PORT_INPUT(portTypes))

  1936.                 {

  1937.                     const uint32_t j = iEvIn++;

  1938. 

  1939.                     fDescriptor->connect_port(fHandle, i, fEventsIn.data[j].event);

  1940. 

  1941.                     if (fHandle2 != nullptr)

  1942.                         fDescriptor->connect_port(fHandle2, i, fEventsIn.data[j].event);

  1943. 

  1944.                     fEventsIn.data[j].rindex = i;

  1945. 

  1946.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1947.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1948.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1949.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1950.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1951.                         fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1952. 

  1953.                     if (evIns.count() == 1)

  1954.                     {

  1955.                         fEventsIn.ctrl = &fEventsIn.data[j];

  1956.                         fEventsIn.ctrlIndex = j;

  1957. 

  1958.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1959.                             needsCtrlIn = true;

  1960.                     }

  1961.                     else

  1962.                     {

  1963.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1964.                             fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  1965. 

  1966.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  1967.                         {

  1968.                             fEventsIn.ctrl = &fEventsIn.data[j];

  1969.                             fEventsIn.ctrlIndex = j;

  1970.                         }

  1971.                     }

  1972.                 }

  1973.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  1974.                 {

  1975.                     const uint32_t j = iEvOut++;

  1976. 

  1977.                     fDescriptor->connect_port(fHandle, i, fEventsOut.data[j].event);

  1978. 

  1979.                     if (fHandle2 != nullptr)

  1980.                         fDescriptor->connect_port(fHandle2, i, fEventsOut.data[j].event);

  1981. 

  1982.                     fEventsOut.data[j].rindex = i;

  1983. 

  1984.                     if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1985.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI;

  1986.                     if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE)

  1987.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE;

  1988.                     if (portTypes & LV2_PORT_DATA_TIME_POSITION)

  1989.                         fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME;

  1990. 

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

  1992.                     {

  1993.                         fEventsOut.ctrl = &fEventsOut.data[j];

  1994.                         fEventsOut.ctrlIndex = j;

  1995. 

  1996.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  1997.                             needsCtrlOut = true;

  1998.                     }

  1999.                     else

  2000.                     {

  2001.                         if (portTypes & LV2_PORT_DATA_MIDI_EVENT)

  2002.                             fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  2003. 

  2004.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2005.                         {

  2006.                             fEventsOut.ctrl = &fEventsOut.data[j];

  2007.                             fEventsOut.ctrlIndex = j;

  2008.                         }

  2009.                     }

  2010.                 }

  2011.                 else

  2012.                     carla_stderr2("WARNING - Got a broken Port (Event, but not input or output)");

  2013.             }

  2014.             else if (LV2_IS_PORT_MIDI_LL(portTypes))

  2015.             {

  2016.                 if (LV2_IS_PORT_INPUT(portTypes))

  2017.                 {

  2018.                     const uint32_t j = iEvIn++;

  2019. 

  2020.                     fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].midi);

  2021. 

  2022.                     if (fHandle2 != nullptr)

  2023.                         fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].midi);

  2024. 

  2025.                     fEventsIn.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  2026.                     fEventsIn.data[j].rindex = i;

  2027. 

  2028.                     if (evIns.count() == 1)

  2029.                     {

  2030.                         needsCtrlIn = true;

  2031.                         fEventsIn.ctrl = &fEventsIn.data[j];

  2032.                         fEventsIn.ctrlIndex = j;

  2033.                     }

  2034.                     else

  2035.                     {

  2036.                         fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j);

  2037. 

  2038.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2039.                         {

  2040.                             fEventsIn.ctrl = &fEventsIn.data[j];

  2041.                             fEventsIn.ctrlIndex = j;

  2042.                         }

  2043.                     }

  2044.                 }

  2045.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  2046.                 {

  2047.                     const uint32_t j = iEvOut++;

  2048. 

  2049.                     fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].midi);

  2050. 

  2051.                     if (fHandle2 != nullptr)

  2052.                         fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].midi);

  2053. 

  2054.                     fEventsOut.data[j].type  |= CARLA_EVENT_TYPE_MIDI;

  2055.                     fEventsOut.data[j].rindex = i;

  2056. 

  2057.                     if (evOuts.count() == 1)

  2058.                     {

  2059.                         needsCtrlOut = true;

  2060.                         fEventsOut.ctrl = &fEventsOut.data[j];

  2061.                         fEventsOut.ctrlIndex = j;

  2062.                     }

  2063.                     else

  2064.                     {

  2065.                         fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j);

  2066. 

  2067.                         if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation))

  2068.                         {

  2069.                             fEventsOut.ctrl = &fEventsOut.data[j];

  2070.                             fEventsOut.ctrlIndex = j;

  2071.                         }

  2072.                     }

  2073.                 }

  2074.                 else

  2075.                     carla_stderr2("WARNING - Got a broken Port (MIDI, but not input or output)");

  2076.             }

  2077.             else if (LV2_IS_PORT_CONTROL(portTypes))

  2078.             {

  2079.                 const LV2_Property portProps(fRdfDescriptor->Ports[i].Properties);

  2080.                 const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation);

  2081.                 const LV2_RDF_PortPoints portPoints(fRdfDescriptor->Ports[i].Points);

  2082. 

  2083.                 const uint32_t j = iCtrl++;

  2084.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  2085.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  2086. 

  2087.                 float min, max, def, step, stepSmall, stepLarge;

  2088. 

  2089.                 // min value

  2090.                 if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints))

  2091.                     min = portPoints.Minimum;

  2092.                 else

  2093.                     min = 0.0f;

  2094. 

  2095.                 // max value

  2096.                 if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints))

  2097.                     max = portPoints.Maximum;

  2098.                 else

  2099.                     max = 1.0f;

  2100. 

  2101.                 if (LV2_IS_PORT_SAMPLE_RATE(portProps))

  2102.                 {

  2103.                     min *= sampleRate;

  2104.                     max *= sampleRate;

  2105.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  2106.                 }

  2107. 

  2108.                 // stupid hack for ir.lv2 (broken plugin)

  2109.                 if (std::strcmp(fRdfDescriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && std::strncmp(fRdfDescriptor->Ports[i].Name, "FileHash", 8) == 0)

  2110.                 {

  2111.                     min = 0.0f;

  2112.                     max = (float)0xffffff;

  2113.                 }

  2114. 

  2115.                 if (min >= max)

  2116.                 {

  2117.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", fRdfDescriptor->Ports[i].Name);

  2118.                     max = min + 0.1f;

  2119.                 }

  2120. 

  2121.                 // default value

  2122.                 if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints))

  2123.                 {

  2124.                     def = portPoints.Default;

  2125.                 }

  2126.                 else

  2127.                 {

  2128.                     // no default value

  2129.                     if (min < 0.0f && max > 0.0f)

  2130.                         def = 0.0f;

  2131.                     else

  2132.                         def = min;

  2133.                 }

  2134. 

  2135.                 if (def < min)

  2136.                     def = min;

  2137.                 else if (def > max)

  2138.                     def = max;

  2139. 

  2140.                 if (LV2_IS_PORT_TOGGLED(portProps))

  2141.                 {

  2142.                     step = max - min;

  2143.                     stepSmall = step;

  2144.                     stepLarge = step;

  2145.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  2146.                 }

  2147.                 else if (LV2_IS_PORT_INTEGER(portProps))

  2148.                 {

  2149.                     step = 1.0f;

  2150.                     stepSmall = 1.0f;

  2151.                     stepLarge = 10.0f;

  2152.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  2153.                 }

  2154.                 else

  2155.                 {

  2156.                     float range = max - min;

  2157.                     step = range/100.0f;

  2158.                     stepSmall = range/1000.0f;

  2159.                     stepLarge = range/10.0f;

  2160.                 }

  2161. 

  2162.                 if (LV2_IS_PORT_INPUT(portTypes))

  2163.                 {

  2164.                     pData->param.data[j].type = PARAMETER_INPUT;

  2165. 

  2166.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  2167.                     {

  2168.                         carla_stderr("Plugin has latency input port, this should not happen!");

  2169.                     }

  2170.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  2171.                     {

  2172.                         def = sampleRate;

  2173.                         step = 1.0f;

  2174.                         stepSmall = 1.0f;

  2175.                         stepLarge = 1.0f;

  2176.                         pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE;

  2177.                     }

  2178.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  2179.                     {

  2180.                         pData->param.special[j] = PARAMETER_SPECIAL_FREEWHEEL;

  2181.                     }

  2182.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  2183.                     {

  2184.                         pData->param.special[j] = PARAMETER_SPECIAL_TIME;

  2185.                     }

  2186.                     else

  2187.                     {

  2188.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  2189.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  2190.                         needsCtrlIn = true;

  2191.                     }

  2192. 

  2193.                     // MIDI CC value

  2194.                     const LV2_RDF_PortMidiMap& portMidiMap(fRdfDescriptor->Ports[i].MidiMap);

  2195. 

  2196.                     if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap.Type))

  2197.                     {

  2198.                         if (portMidiMap.Number < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap.Number))

  2199.                             pData->param.data[j].midiCC = static_cast<int16_t>(portMidiMap.Number);

  2200.                     }

  2201.                 }

  2202.                 else if (LV2_IS_PORT_OUTPUT(portTypes))

  2203.                 {

  2204.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  2205. 

  2206.                     if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  2207.                     {

  2208.                         min = 0.0f;

  2209.                         max = sampleRate;

  2210.                         def = 0.0f;

  2211.                         step = 1.0f;

  2212.                         stepSmall = 1.0f;

  2213.                         stepLarge = 1.0f;

  2214.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  2215.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  2216.                     }

  2217.                     else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation))

  2218.                     {

  2219.                         def = sampleRate;

  2220.                         step = 1.0f;

  2221.                         stepSmall = 1.0f;

  2222.                         stepLarge = 1.0f;

  2223.                         pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE;

  2224.                     }

  2225.                     else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation))

  2226.                     {

  2227.                         carla_stderr("Plugin has freewheeling output port, this should not happen!");

  2228.                     }

  2229.                     else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation))

  2230.                     {

  2231.                         pData->param.special[j] = PARAMETER_SPECIAL_TIME;

  2232.                     }

  2233.                     else

  2234.                     {

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

  2236.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  2237.                         needsCtrlOut = true;

  2238.                     }

  2239.                 }

  2240.                 else

  2241.                 {

  2242.                     pData->param.data[j].type = PARAMETER_UNKNOWN;

  2243.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  2244.                 }

  2245. 

  2246.                 // extra parameter hints

  2247.                 if (LV2_IS_PORT_LOGARITHMIC(portProps))

  2248.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  2249. 

  2250.                 if (LV2_IS_PORT_TRIGGER(portProps))

  2251.                     pData->param.data[j].hints |= PARAMETER_IS_TRIGGER;

  2252. 

  2253.                 if (LV2_IS_PORT_STRICT_BOUNDS(portProps))

  2254.                     pData->param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS;

  2255. 

  2256.                 if (LV2_IS_PORT_ENUMERATION(portProps))

  2257.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  2258. 

  2259.                 // check if parameter is not enabled or automable

  2260.                 if (LV2_IS_PORT_NOT_ON_GUI(portProps))

  2261.                     pData->param.data[j].hints &= ~(PARAMETER_IS_ENABLED|PARAMETER_IS_AUTOMABLE);

  2262.                 else if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps))

  2263.                     pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  2264.                 else if (LV2_IS_PORT_NOT_AUTOMATIC(portProps) || LV2_IS_PORT_NON_AUTOMABLE(portProps))

  2265.                     pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE;

  2266. 

  2267.                 pData->param.ranges[j].min = min;

  2268.                 pData->param.ranges[j].max = max;

  2269.                 pData->param.ranges[j].def = def;

  2270.                 pData->param.ranges[j].step = step;

  2271.                 pData->param.ranges[j].stepSmall = stepSmall;

  2272.                 pData->param.ranges[j].stepLarge = stepLarge;

  2273. 

  2274.                 // Start parameters in their default values (except freewheel, which is off by default)

  2275.                 if (pData->param.data[j].type == PARAMETER_INPUT && pData->param.special[j] == PARAMETER_SPECIAL_FREEWHEEL)

  2276.                     fParamBuffers[j] = min;

  2277.                 else

  2278.                     fParamBuffers[j] = def;

  2279. 

  2280.                 fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  2281. 

  2282.                 if (fHandle2 != nullptr)

  2283.                     fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  2284.             }

  2285.             else

  2286.             {

  2287.                 // Port Type not supported, but it's optional anyway

  2288.                 fDescriptor->connect_port(fHandle, i, nullptr);

  2289. 

  2290.                 if (fHandle2 != nullptr)

  2291.                     fDescriptor->connect_port(fHandle2, i, nullptr);

  2292.             }

  2293.         }

  2294. 

  2295.         if (needsCtrlIn)

  2296.         {

  2297.             portName.clear();

  2298. 

  2299.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  2300.             {

  2301.                 portName  = pData->name;

  2302.                 portName += ":";

  2303.             }

  2304. 

  2305.             portName += "events-in";

  2306.             portName.truncate(portNameSize);

  2307. 

  2308.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  2309.         }

  2310. 

  2311.         if (needsCtrlOut)

  2312.         {

  2313.             portName.clear();

  2314. 

  2315.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  2316.             {

  2317.                 portName  = pData->name;

  2318.                 portName += ":";

  2319.             }

  2320. 

  2321.             portName += "events-out";

  2322.             portName.truncate(portNameSize);

  2323. 

  2324.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  2325.         }

  2326. 

  2327.         if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsIn.count > 0 && (fEventsIn.data[0].type & CARLA_EVENT_DATA_ATOM) != 0))

  2328.             fAtomBufferIn.createBuffer(eventBufferSize);

  2329. 

  2330.         if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsOut.count > 0 && (fEventsOut.data[0].type & CARLA_EVENT_DATA_ATOM) != 0))

  2331.             fAtomBufferOut.createBuffer(eventBufferSize);

  2332. 

  2333.         if (fEventsIn.ctrl != nullptr && fEventsIn.ctrl->port == nullptr)

  2334.             fEventsIn.ctrl->port = pData->event.portIn;

  2335. 

  2336.         if (fEventsOut.ctrl != nullptr && fEventsOut.ctrl->port == nullptr)

  2337.             fEventsOut.ctrl->port = pData->event.portOut;

  2338. 

  2339.         if (fCanInit2 && (forcedStereoIn || forcedStereoOut))

  2340.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2341.         else

  2342.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  2343. 

  2344.         // plugin hints

  2345.         pData->hints = 0x0;

  2346. 

  2347.         if (isRealtimeSafe())

  2348.             pData->hints |= PLUGIN_IS_RTSAFE;

  2349. 

  2350.         if (fUI.type != UI::TYPE_NULL)

  2351.         {

  2352.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  2353. 

  2354.             if (fUI.type == UI::TYPE_EMBED || fUI.type == UI::TYPE_EXTERNAL)

  2355.                 pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD;

  2356.         }

  2357. 

  2358.         if (LV2_IS_GENERATOR(fRdfDescriptor->Type[0], fRdfDescriptor->Type[1]))

  2359.             pData->hints |= PLUGIN_IS_SYNTH;

  2360. 

  2361.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  2362.             pData->hints |= PLUGIN_CAN_DRYWET;

  2363. 

  2364.         if (aOuts > 0)

  2365.             pData->hints |= PLUGIN_CAN_VOLUME;

  2366. 

  2367.         if (aOuts >= 2 && aOuts % 2 == 0)

  2368.             pData->hints |= PLUGIN_CAN_BALANCE;

  2369. 

  2370.         // extra plugin hints

  2371.         pData->extraHints = 0x0;

  2372. 

  2373.         if (! fCanInit2)

  2374.         {

  2375.             // can't run in rack

  2376.         }

  2377.         else if (fExt.state != nullptr || fExt.worker != nullptr)

  2378.         {

  2379.             if ((aIns == 0 || aIns == 2) && (aOuts == 0 || aOuts == 2) && evIns.count() <= 1 && evOuts.count() <= 1)

  2380.                 pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  2381.         }

  2382.         else

  2383.         {

  2384.             if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && evIns.count() <= 1 && evOuts.count() <= 1)

  2385.                 pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  2386.         }

  2387. 

  2388. #if 0 // TODO

  2389.         // check latency

  2390.         if (fLatencyIndex >= 0)

  2391.         {

  2392.             // we need to pre-run the plugin so it can update its latency control-port

  2393. 

  2394.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  2395.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  2396. 

  2397.             for (uint32_t j=0; j < aIns; ++j)

  2398.             {

  2399.                 tmpIn[j][0] = 0.0f;

  2400.                 tmpIn[j][1] = 0.0f;

  2401. 

  2402.                 try {

  2403.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  2404.                 } CARLA_SAFE_EXCEPTION("LV2 connect_port latency input");

  2405.             }

  2406. 

  2407.             for (uint32_t j=0; j < aOuts; ++j)

  2408.             {

  2409.                 tmpOut[j][0] = 0.0f;

  2410.                 tmpOut[j][1] = 0.0f;

  2411. 

  2412.                 try {

  2413.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  2414.                 } CARLA_SAFE_EXCEPTION("LV2 connect_port latency output");

  2415.             }

  2416. 

  2417.             if (fDescriptor->activate != nullptr)

  2418.             {

  2419.                 try {

  2420.                     fDescriptor->activate(fHandle);

  2421.                 } CARLA_SAFE_EXCEPTION("LV2 latency activate");

  2422.             }

  2423. 

  2424.             try {

  2425.                 fDescriptor->run(fHandle, 2);

  2426.             } CARLA_SAFE_EXCEPTION("LV2 latency run");

  2427. 

  2428.             if (fDescriptor->deactivate != nullptr)

  2429.             {

  2430.                 try {

  2431.                     fDescriptor->deactivate(fHandle);

  2432.                 } CARLA_SAFE_EXCEPTION("LV2 latency deactivate");

  2433.             }

  2434. 

  2435.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  2436. 

  2437.             if (latency >= 0)

  2438.             {

  2439.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  2440. 

  2441.                 if (pData->latency != ulatency)

  2442.                 {

  2443.                     carla_stdout("latency = %i", latency);

  2444. 

  2445.                     pData->latency = ulatency;

  2446.                     pData->client->setLatency(ulatency);

  2447. #ifndef BUILD_BRIDGE

  2448.                     pData->recreateLatencyBuffers();

  2449. #endif

  2450.                 }

  2451.             }

  2452.             else

  2453.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  2454. 

  2455.             fLatencyChanged = false;

  2456.         }

  2457. #endif

  2458. 

  2459.         bufferSizeChanged(pData->engine->getBufferSize());

  2460.         reloadPrograms(true);

  2461. 

  2462.         evIns.clear();

  2463.         evOuts.clear();

  2464. 

  2465.         if (pData->active)

  2466.             activate();

  2467. 

  2468.         carla_debug("CarlaPluginLV2::reload() - end");

  2469.     }

  2470. 

  2471.     void reloadPrograms(const bool doInit) override

  2472.     {

  2473.         carla_debug("CarlaPluginLV2::reloadPrograms(%s)", bool2str(doInit));

  2474.         const uint32_t oldCount = pData->midiprog.count;

  2475.         const int32_t  current  = pData->midiprog.current;

  2476. 

  2477.         // special LV2 programs handling

  2478.         if (doInit)

  2479.         {

  2480.             pData->prog.clear();

  2481. 

  2482.             const uint32_t presetCount(fRdfDescriptor->PresetCount);

  2483. 

  2484.             if (presetCount > 0)

  2485.             {

  2486.                 pData->prog.createNew(presetCount);

  2487. 

  2488.                 for (uint32_t i=0; i < presetCount; ++i)

  2489.                     pData->prog.names[i] = carla_strdup(fRdfDescriptor->Presets[i].Label);

  2490.             }

  2491.         }

  2492. 

  2493.         // Delete old programs

  2494.         pData->midiprog.clear();

  2495. 

  2496.         // Query new programs

  2497.         uint32_t newCount = 0;

  2498.         if (fExt.programs != nullptr && fExt.programs->get_program != nullptr && fExt.programs->select_program != nullptr)

  2499.         {

  2500.             for (; fExt.programs->get_program(fHandle, newCount);)

  2501.                 ++newCount;

  2502.         }

  2503. 

  2504.         if (newCount > 0)

  2505.         {

  2506.             pData->midiprog.createNew(newCount);

  2507. 

  2508.             // Update data

  2509.             for (uint32_t i=0; i < newCount; ++i)

  2510.             {

  2511.                 const LV2_Program_Descriptor* const pdesc(fExt.programs->get_program(fHandle, i));

  2512.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  2513.                 CARLA_SAFE_ASSERT(pdesc->name != nullptr);

  2514. 

  2515.                 pData->midiprog.data[i].bank    = pdesc->bank;

  2516.                 pData->midiprog.data[i].program = pdesc->program;

  2517.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->name);

  2518.             }

  2519.         }

  2520. 

  2521. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  2522.         // Update OSC Names

  2523.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  2524.         {

  2525.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  2526. 

  2527.             for (uint32_t i=0; i < newCount; ++i)

  2528.                 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);

  2529.         }

  2530. #endif

  2531. 

  2532.         if (doInit)

  2533.         {

  2534.             if (newCount > 0)

  2535.             {

  2536.                 setMidiProgram(0, false, false, false);

  2537.             }

  2538.             else

  2539.             {

  2540.                 // load default state

  2541.                 if (LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fDescriptor->URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data))

  2542.                 {

  2543.                     lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures);

  2544. 

  2545.                     if (fHandle2 != nullptr)

  2546.                         lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures);

  2547. 

  2548.                     lilv_state_free(state);

  2549.                 }

  2550.             }

  2551.         }

  2552.         else

  2553.         {

  2554.             // Check if current program is invalid

  2555.             bool programChanged = false;

  2556. 

  2557.             if (newCount == oldCount+1)

  2558.             {

  2559.                 // one midi program added, probably created by user

  2560.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  2561.                 programChanged = true;

  2562.             }

  2563.             else if (current < 0 && newCount > 0)

  2564.             {

  2565.                 // programs exist now, but not before

  2566.                 pData->midiprog.current = 0;

  2567.                 programChanged = true;

  2568.             }

  2569.             else if (current >= 0 && newCount == 0)

  2570.             {

  2571.                 // programs existed before, but not anymore

  2572.                 pData->midiprog.current = -1;

  2573.                 programChanged = true;

  2574.             }

  2575.             else if (current >= static_cast<int32_t>(newCount))

  2576.             {

  2577.                 // current midi program > count

  2578.                 pData->midiprog.current = 0;

  2579.                 programChanged = true;

  2580.             }

  2581.             else

  2582.             {

  2583.                 // no change

  2584.                 pData->midiprog.current = current;

  2585.             }

  2586. 

  2587.             if (programChanged)

  2588.                 setMidiProgram(pData->midiprog.current, true, true, true);

  2589. 

  2590.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  2591.         }

  2592.     }

  2593. 

  2594.     // -------------------------------------------------------------------

  2595.     // Plugin processing

  2596. 

  2597.     void activate() noexcept override

  2598.     {

  2599.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2600.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2601. 

  2602.         if (fDescriptor->activate != nullptr)

  2603.         {

  2604.             try {

  2605.                 fDescriptor->activate(fHandle);

  2606.             } CARLA_SAFE_EXCEPTION("LV2 activate");

  2607. 

  2608.             if (fHandle2 != nullptr)

  2609.             {

  2610.                 try {

  2611.                     fDescriptor->activate(fHandle2);

  2612.                 } CARLA_SAFE_EXCEPTION("LV2 activate #2");

  2613.             }

  2614.         }

  2615. 

  2616.         fFirstActive = true;

  2617.     }

  2618. 

  2619.     void deactivate() noexcept override

  2620.     {

  2621.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  2622.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  2623. 

  2624.         if (fDescriptor->deactivate != nullptr)

  2625.         {

  2626.             try {

  2627.                 fDescriptor->deactivate(fHandle);

  2628.             } CARLA_SAFE_EXCEPTION("LV2 deactivate");

  2629. 

  2630.             if (fHandle2 != nullptr)

  2631.             {

  2632.                 try {

  2633.                     fDescriptor->deactivate(fHandle2);

  2634.                 } CARLA_SAFE_EXCEPTION("LV2 deactivate #2");

  2635.             }

  2636.         }

  2637.     }

  2638. 

  2639.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  2640.     {

  2641.         // --------------------------------------------------------------------------------------------------------

  2642.         // Check if active

  2643. 

  2644.         if (! pData->active)

  2645.         {

  2646.             // disable any output sound

  2647.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2648.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  2649.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2650.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  2651.             return;

  2652.         }

  2653. 

  2654.         // --------------------------------------------------------------------------------------------------------

  2655.         // Event itenerators from different APIs (input)

  2656. 

  2657.         LV2_Atom_Buffer_Iterator evInAtomIters[fEventsIn.count];

  2658.         LV2_Event_Iterator       evInEventIters[fEventsIn.count];

  2659.         LV2_MIDIState            evInMidiStates[fEventsIn.count];

  2660. 

  2661.         for (uint32_t i=0; i < fEventsIn.count; ++i)

  2662.         {

  2663.             if (fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM)

  2664.             {

  2665.                 lv2_atom_buffer_reset(fEventsIn.data[i].atom, true);

  2666.                 lv2_atom_buffer_begin(&evInAtomIters[i], fEventsIn.data[i].atom);

  2667.             }

  2668.             else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_EVENT)

  2669.             {

  2670.                 lv2_event_buffer_reset(fEventsIn.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[i].event->data);

  2671.                 lv2_event_begin(&evInEventIters[i], fEventsIn.data[i].event);

  2672.             }

  2673.             else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2674.             {

  2675.                 fEventsIn.data[i].midi.event_count = 0;

  2676.                 fEventsIn.data[i].midi.size        = 0;

  2677.                 evInMidiStates[i].midi        = &fEventsIn.data[i].midi;

  2678.                 evInMidiStates[i].frame_count = frames;

  2679.                 evInMidiStates[i].position    = 0;

  2680.             }

  2681.         }

  2682. 

  2683.         for (uint32_t i=0; i < fEventsOut.count; ++i)

  2684.         {

  2685.             if (fEventsOut.data[i].type & CARLA_EVENT_DATA_ATOM)

  2686.             {

  2687.                 lv2_atom_buffer_reset(fEventsOut.data[i].atom, false);

  2688.             }

  2689.             else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_EVENT)

  2690.             {

  2691.                 lv2_event_buffer_reset(fEventsOut.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsOut.data[i].event->data);

  2692.             }

  2693.             else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL)

  2694.             {

  2695.                 // not needed

  2696.             }

  2697.         }

  2698. 

  2699.         // --------------------------------------------------------------------------------------------------------

  2700.         // Check if needs reset

  2701. 

  2702.         if (pData->needsReset)

  2703.         {

  2704.             uint8_t midiData[3] = { 0, 0, 0 };

  2705. 

  2706.             if (fEventsIn.ctrl != nullptr && (fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) != 0)

  2707.             {

  2708.                 const uint32_t j = fEventsIn.ctrlIndex;

  2709.                 CARLA_SAFE_ASSERT(j < fEventsIn.count);

  2710. 

  2711.                 if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  2712.                 {

  2713.                     for (uint8_t i=0; i < MAX_MIDI_CHANNELS; ++i)

  2714.                     {

  2715.                         midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT));

  2716.                         midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  2717. 

  2718.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2719.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2720. 

  2721.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2722.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2723. 

  2724.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2725.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2726. 

  2727.                         midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT));

  2728.                         midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  2729. 

  2730.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2731.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2732. 

  2733.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2734.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2735. 

  2736.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2737.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2738.                     }

  2739.                 }

  2740.                 else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  2741.                 {

  2742.                     for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k)

  2743.                     {

  2744.                         midiData[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT));

  2745.                         midiData[1] = k;

  2746. 

  2747.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2748.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2749. 

  2750.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2751.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  2752. 

  2753.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2754.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData);

  2755.                     }

  2756.                 }

  2757.             }

  2758. 

  2759. #ifndef BUILD_BRIDGE

  2760. #if 0 // TODO

  2761.             if (pData->latency > 0)

  2762.             {

  2763.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2764.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  2765.             }

  2766. #endif

  2767. #endif

  2768. 

  2769.             pData->needsReset = false;

  2770.         }

  2771. 

  2772.         // --------------------------------------------------------------------------------------------------------

  2773.         // TimeInfo

  2774. 

  2775.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  2776. 

  2777.         if (fFirstActive || fLastTimeInfo != timeInfo)

  2778.         {

  2779.             bool doPostRt;

  2780.             int32_t rindex;

  2781. 

  2782.             // update input ports

  2783.             for (uint32_t k=0; k < pData->param.count; ++k)

  2784.             {

  2785.                 if (pData->param.data[k].type != PARAMETER_INPUT)

  2786.                     continue;

  2787.                 if (pData->param.special[k] != PARAMETER_SPECIAL_TIME)

  2788.                     continue;

  2789. 

  2790.                 doPostRt = false;

  2791.                 rindex = pData->param.data[k].rindex;

  2792. 

  2793.                 CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0 && rindex < static_cast<int32_t>(fRdfDescriptor->PortCount));

  2794. 

  2795.                 switch (fRdfDescriptor->Ports[rindex].Designation)

  2796.                 {

  2797.                 // Non-BBT

  2798.                 case LV2_PORT_DESIGNATION_TIME_SPEED:

  2799.                     if (fLastTimeInfo.playing != timeInfo.playing)

  2800.                     {

  2801.                         fParamBuffers[k] = timeInfo.playing ? 1.0f : 0.0f;

  2802.                         doPostRt = true;

  2803.                     }

  2804.                     break;

  2805.                 case LV2_PORT_DESIGNATION_TIME_FRAME:

  2806.                     if (fLastTimeInfo.frame != timeInfo.frame)

  2807.                     {

  2808.                         fParamBuffers[k] = static_cast<float>(timeInfo.frame);

  2809.                         doPostRt = true;

  2810.                     }

  2811.                     break;

  2812.                 case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND:

  2813.                     break;

  2814. 

  2815.                 // BBT

  2816.                 case LV2_PORT_DESIGNATION_TIME_BAR:

  2817.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && fLastTimeInfo.bbt.bar != timeInfo.bbt.bar)

  2818.                     {

  2819.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.bar - 1);

  2820.                         doPostRt = true;

  2821.                     }

  2822.                     break;

  2823.                 case LV2_PORT_DESIGNATION_TIME_BAR_BEAT:

  2824.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && (fLastTimeInfo.bbt.tick != timeInfo.bbt.tick ||

  2825.                                                                               fLastTimeInfo.bbt.beat != timeInfo.bbt.beat))

  2826.                     {

  2827.                         fParamBuffers[k] = static_cast<float>(static_cast<double>(timeInfo.bbt.beat) - 1.0 + (static_cast<double>(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat));

  2828.                         doPostRt = true;

  2829.                     }

  2830.                     break;

  2831.                 case LV2_PORT_DESIGNATION_TIME_BEAT:

  2832.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && fLastTimeInfo.bbt.beat != timeInfo.bbt.beat)

  2833.                     {

  2834.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.beat - 1);

  2835.                         doPostRt = true;

  2836.                     }

  2837.                     break;

  2838.                 case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT:

  2839.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.beatType, timeInfo.bbt.beatType))

  2840.                     {

  2841.                         fParamBuffers[k] = timeInfo.bbt.beatType;

  2842.                         doPostRt = true;

  2843.                     }

  2844.                     break;

  2845.                 case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR:

  2846.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.beatsPerBar, timeInfo.bbt.beatsPerBar))

  2847.                     {

  2848.                         fParamBuffers[k] = timeInfo.bbt.beatsPerBar;

  2849.                         doPostRt = true;

  2850.                     }

  2851.                     break;

  2852.                 case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE:

  2853.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.beatsPerMinute, timeInfo.bbt.beatsPerMinute))

  2854.                     {

  2855.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.beatsPerMinute);

  2856.                         doPostRt = true;

  2857.                     }

  2858.                     break;

  2859.                 case LV2_PORT_DESIGNATION_TIME_TICKS_PER_BEAT:

  2860.                     if ((timeInfo.valid & EngineTimeInfo::kValidBBT) != 0 && carla_isNotEqual(fLastTimeInfo.bbt.ticksPerBeat, timeInfo.bbt.ticksPerBeat))

  2861.                     {

  2862.                         fParamBuffers[k] = static_cast<float>(timeInfo.bbt.ticksPerBeat);

  2863.                         doPostRt = true;

  2864.                     }

  2865.                     break;

  2866.                 }

  2867. 

  2868.                 if (doPostRt)

  2869.                     pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  2870.             }

  2871. 

  2872.             for (uint32_t i=0; i < fEventsIn.count; ++i)

  2873.             {

  2874.                 if ((fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM) == 0 || (fEventsIn.data[i].type & CARLA_EVENT_TYPE_TIME) == 0)

  2875.                     continue;

  2876. 

  2877.                 uint8_t timeInfoBuf[256];

  2878.                 lv2_atom_forge_set_buffer(&fAtomForge, timeInfoBuf, sizeof(timeInfoBuf));

  2879. 

  2880.                 LV2_Atom_Forge_Frame forgeFrame;

  2881.                 lv2_atom_forge_object(&fAtomForge, &forgeFrame, CARLA_URI_MAP_ID_NULL, CARLA_URI_MAP_ID_TIME_POSITION);

  2882. 

  2883.                 lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_SPEED);

  2884.                 lv2_atom_forge_float(&fAtomForge, timeInfo.playing ? 1.0f : 0.0f);

  2885. 

  2886.                 lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_FRAME);

  2887.                 lv2_atom_forge_long(&fAtomForge, static_cast<int64_t>(timeInfo.frame));

  2888. 

  2889.                 if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  2890.                 {

  2891.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BAR);

  2892.                     lv2_atom_forge_long(&fAtomForge, timeInfo.bbt.bar - 1);

  2893. 

  2894.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BAR_BEAT);

  2895.                     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)));

  2896. 

  2897.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEAT);

  2898.                     lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.beat - 1);

  2899. 

  2900.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEAT_UNIT);

  2901.                     lv2_atom_forge_int(&fAtomForge, static_cast<int32_t>(timeInfo.bbt.beatType));

  2902. 

  2903.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR);

  2904.                     lv2_atom_forge_float(&fAtomForge, timeInfo.bbt.beatsPerBar);

  2905. 

  2906.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE);

  2907.                     lv2_atom_forge_float(&fAtomForge, static_cast<float>(timeInfo.bbt.beatsPerMinute));

  2908. 

  2909.                     lv2_atom_forge_key(&fAtomForge, CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT);

  2910.                     lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.ticksPerBeat);

  2911.                 }

  2912. 

  2913.                 lv2_atom_forge_pop(&fAtomForge, &forgeFrame);

  2914. 

  2915.                 LV2_Atom* const atom((LV2_Atom*)timeInfoBuf);

  2916.                 CARLA_SAFE_ASSERT_BREAK(atom->size < 256);

  2917. 

  2918.                 // send only deprecated blank object for now

  2919.                 lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, CARLA_URI_MAP_ID_ATOM_BLANK, atom->size, LV2_ATOM_BODY_CONST(atom));

  2920. 

  2921.                 // for atom:object

  2922.                 //lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom));

  2923.             }

  2924. 

  2925.             pData->postRtEvents.trySplice();

  2926. 

  2927.             carla_copyStruct(fLastTimeInfo, timeInfo);

  2928.         }

  2929. 

  2930.         // --------------------------------------------------------------------------------------------------------

  2931.         // Event Input and Processing

  2932. 

  2933.         if (fEventsIn.ctrl != nullptr)

  2934.         {

  2935.             // ----------------------------------------------------------------------------------------------------

  2936.             // Message Input

  2937. 

  2938.             if (fAtomBufferIn.tryLock())

  2939.             {

  2940.                 if (fAtomBufferIn.isDataAvailableForReading())

  2941.                 {

  2942.                     const LV2_Atom* atom;

  2943.                     uint32_t j, portIndex;

  2944. 

  2945.                     for (; fAtomBufferIn.get(atom, portIndex);)

  2946.                     {

  2947.                         j = (portIndex < fEventsIn.count) ? portIndex : fEventsIn.ctrlIndex;

  2948. 

  2949.                         if (atom->type == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  2950.                         {

  2951.                             CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work_response != nullptr);

  2952.                             fExt.worker->work_response(fHandle, atom->size, LV2_ATOM_BODY_CONST(atom));

  2953.                         }

  2954.                         else if (! lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom)))

  2955.                         {

  2956.                             carla_stdout("Event input buffer full, at least 1 message lost");

  2957.                             continue;

  2958.                         }

  2959.                     }

  2960.                 }

  2961. 

  2962.                 fAtomBufferIn.unlock();

  2963.             }

  2964. 

  2965.             // ----------------------------------------------------------------------------------------------------

  2966.             // MIDI Input (External)

  2967. 

  2968.             if (pData->extNotes.mutex.tryLock())

  2969.             {

  2970.                 if ((fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) == 0)

  2971.                 {

  2972.                     // does not handle MIDI

  2973.                     pData->extNotes.data.clear();

  2974.                 }

  2975.                 else

  2976.                 {

  2977.                     const uint32_t j = fEventsIn.ctrlIndex;

  2978. 

  2979.                     for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  2980.                     {

  2981.                         const ExternalMidiNote& note(it.getValue());

  2982. 

  2983.                         CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  2984. 

  2985.                         uint8_t midiEvent[3];

  2986.                         midiEvent[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  2987.                         midiEvent[1] = note.note;

  2988.                         midiEvent[2] = note.velo;

  2989. 

  2990.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  2991.                             lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2992. 

  2993.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  2994.                             lv2_event_write(&evInEventIters[j], 0, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiEvent);

  2995. 

  2996.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  2997.                             lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiEvent);

  2998.                     }

  2999. 

  3000.                     pData->extNotes.data.clear();

  3001.                 }

  3002. 

  3003.                 pData->extNotes.mutex.unlock();

  3004. 

  3005.             } // End of MIDI Input (External)

  3006. 

  3007.             // ----------------------------------------------------------------------------------------------------

  3008.             // Event Input (System)

  3009. 

  3010. #ifndef BUILD_BRIDGE

  3011.             bool allNotesOffSent  = false;

  3012. #endif

  3013.             bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  3014. 

  3015.             uint32_t startTime  = 0;

  3016.             uint32_t timeOffset = 0;

  3017.             uint32_t nextBankId;

  3018. 

  3019.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  3020.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  3021.             else

  3022.                 nextBankId = 0;

  3023. 

  3024.             const uint32_t numEvents = (fEventsIn.ctrl->port != nullptr) ? fEventsIn.ctrl->port->getEventCount() : 0;

  3025. 

  3026.             for (uint32_t i=0; i < numEvents; ++i)

  3027.             {

  3028.                 const EngineEvent& event(fEventsIn.ctrl->port->getEvent(i));

  3029. 

  3030.                 if (event.time >= frames)

  3031.                     continue;

  3032. 

  3033.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  3034. 

  3035.                 if (isSampleAccurate && event.time > timeOffset)

  3036.                 {

  3037.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset))

  3038.                     {

  3039.                         startTime  = 0;

  3040.                         timeOffset = event.time;

  3041. 

  3042.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  3043.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  3044.                         else

  3045.                             nextBankId = 0;

  3046. 

  3047.                         // reset iters

  3048.                         const uint32_t j = fEventsIn.ctrlIndex;

  3049. 

  3050.                         if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3051.                         {

  3052.                             lv2_atom_buffer_reset(fEventsIn.data[j].atom, true);

  3053.                             lv2_atom_buffer_begin(&evInAtomIters[j], fEventsIn.data[j].atom);

  3054.                         }

  3055.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3056.                         {

  3057.                             lv2_event_buffer_reset(fEventsIn.data[j].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[j].event->data);

  3058.                             lv2_event_begin(&evInEventIters[j], fEventsIn.data[j].event);

  3059.                         }

  3060.                         else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3061.                         {

  3062.                             fEventsIn.data[j].midi.event_count = 0;

  3063.                             fEventsIn.data[j].midi.size        = 0;

  3064.                             evInMidiStates[j].position = event.time;

  3065.                         }

  3066.                     }

  3067.                     else

  3068.                         startTime += timeOffset;

  3069.                 }

  3070. 

  3071.                 switch (event.type)

  3072.                 {

  3073.                 case kEngineEventTypeNull:

  3074.                     break;

  3075. 

  3076.                 case kEngineEventTypeControl: {

  3077.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  3078. 

  3079.                     switch (ctrlEvent.type)

  3080.                     {

  3081.                     case kEngineControlEventTypeNull:

  3082.                         break;

  3083. 

  3084.                     case kEngineControlEventTypeParameter: {

  3085. #ifndef BUILD_BRIDGE

  3086.                         // Control backend stuff

  3087.                         if (event.channel == pData->ctrlChannel)

  3088.                         {

  3089.                             float value;

  3090. 

  3091.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  3092.                             {

  3093.                                 value = ctrlEvent.value;

  3094.                                 setDryWet(value, false, false);

  3095.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  3096.                                 break;

  3097.                             }

  3098. 

  3099.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  3100.                             {

  3101.                                 value = ctrlEvent.value*127.0f/100.0f;

  3102.                                 setVolume(value, false, false);

  3103.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  3104.                                 break;

  3105.                             }

  3106. 

  3107.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  3108.                             {

  3109.                                 float left, right;

  3110.                                 value = ctrlEvent.value/0.5f - 1.0f;

  3111. 

  3112.                                 if (value < 0.0f)

  3113.                                 {

  3114.                                     left  = -1.0f;

  3115.                                     right = (value*2.0f)+1.0f;

  3116.                                 }

  3117.                                 else if (value > 0.0f)

  3118.                                 {

  3119.                                     left  = (value*2.0f)-1.0f;

  3120.                                     right = 1.0f;

  3121.                                 }

  3122.                                 else

  3123.                                 {

  3124.                                     left  = -1.0f;

  3125.                                     right = 1.0f;

  3126.                                 }

  3127. 

  3128.                                 setBalanceLeft(left, false, false);

  3129.                                 setBalanceRight(right, false, false);

  3130.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  3131.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  3132.                                 break;

  3133.                             }

  3134.                         }

  3135. #endif

  3136.                         // Control plugin parameters

  3137.                         uint32_t k;

  3138.                         for (k=0; k < pData->param.count; ++k)

  3139.                         {

  3140.                             if (pData->param.data[k].midiChannel != event.channel)

  3141.                                 continue;

  3142.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  3143.                                 continue;

  3144.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  3145.                                 continue;

  3146.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  3147.                                 continue;

  3148. 

  3149.                             float value;

  3150. 

  3151.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  3152.                             {

  3153.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  3154.                             }

  3155.                             else

  3156.                             {

  3157.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  3158. 

  3159.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  3160.                                     value = std::rint(value);

  3161.                             }

  3162. 

  3163.                             setParameterValue(k, value, false, false, false);

  3164.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  3165.                             break;

  3166.                         }

  3167. 

  3168.                         // check if event is already handled

  3169.                         if (k != pData->param.count)

  3170.                             break;

  3171. 

  3172.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  3173.                         {

  3174.                             uint8_t midiData[3];

  3175.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3176.                             midiData[1] = uint8_t(ctrlEvent.param);

  3177.                             midiData[2] = uint8_t(ctrlEvent.value*127.0f);

  3178. 

  3179.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3180. 

  3181.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3182.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3183. 

  3184.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3185.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3186. 

  3187.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3188.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3189.                         }

  3190.                         break;

  3191.                     } // case kEngineControlEventTypeParameter

  3192. 

  3193.                     case kEngineControlEventTypeMidiBank:

  3194.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  3195.                         {

  3196.                             if (event.channel == pData->ctrlChannel)

  3197.                                 nextBankId = ctrlEvent.param;

  3198.                         }

  3199.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  3200.                         {

  3201.                             uint8_t midiData[3];

  3202.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3203.                             midiData[1] = MIDI_CONTROL_BANK_SELECT;

  3204.                             midiData[2] = 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, 3, 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, 3, midiData);

  3213. 

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

  3215.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3216.                         }

  3217.                         break;

  3218. 

  3219.                     case kEngineControlEventTypeMidiProgram:

  3220.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  3221.                         {

  3222.                             if (event.channel == pData->ctrlChannel)

  3223.                             {

  3224.                                 const uint32_t nextProgramId(ctrlEvent.param);

  3225. 

  3226.                                 for (uint32_t k=0; k < pData->midiprog.count; ++k)

  3227.                                 {

  3228.                                     if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  3229.                                     {

  3230.                                         const int32_t index(static_cast<int32_t>(k));

  3231.                                         setMidiProgram(index, false, false, false);

  3232.                                         pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  3233.                                         break;

  3234.                                     }

  3235.                                 }

  3236.                             }

  3237.                         }

  3238.                         else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES)

  3239.                         {

  3240.                             uint8_t midiData[2];

  3241.                             midiData[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3242.                             midiData[1] = uint8_t(ctrlEvent.param);

  3243. 

  3244.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3245. 

  3246.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3247.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiData);

  3248. 

  3249.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3250.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 2, midiData);

  3251. 

  3252.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3253.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 2, midiData);

  3254.                         }

  3255.                         break;

  3256. 

  3257.                     case kEngineControlEventTypeAllSoundOff:

  3258.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  3259.                         {

  3260.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3261. 

  3262.                             uint8_t midiData[3];

  3263.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3264.                             midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF;

  3265.                             midiData[2] = 0;

  3266. 

  3267.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3268.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3269. 

  3270.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3271.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3272. 

  3273.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3274.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3275.                         }

  3276.                         break;

  3277. 

  3278.                     case kEngineControlEventTypeAllNotesOff:

  3279.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  3280.                         {

  3281. #ifndef BUILD_BRIDGE

  3282.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  3283.                             {

  3284.                                 allNotesOffSent = true;

  3285.                                 sendMidiAllNotesOffToCallback();

  3286.                             }

  3287. #endif

  3288. 

  3289.                             const uint32_t mtime(isSampleAccurate ? startTime : event.time);

  3290. 

  3291.                             uint8_t midiData[3];

  3292.                             midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT));

  3293.                             midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF;

  3294.                             midiData[2] = 0;

  3295. 

  3296.                             if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3297.                                 lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3298. 

  3299.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3300.                                 lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, 3, midiData);

  3301. 

  3302.                             else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3303.                                 lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData);

  3304.                         }

  3305.                         break;

  3306.                     } // switch (ctrlEvent.type)

  3307.                     break;

  3308.                 } // case kEngineEventTypeControl

  3309. 

  3310.                 case kEngineEventTypeMidi: {

  3311.                     const EngineMidiEvent& midiEvent(event.midi);

  3312. 

  3313.                     const uint8_t* const midiData(midiEvent.size > EngineMidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data);

  3314. 

  3315.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiData));

  3316. 

  3317.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  3318.                         continue;

  3319.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  3320.                         continue;

  3321.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  3322.                         continue;

  3323.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  3324.                         continue;

  3325. 

  3326.                     // Fix bad note-off (per LV2 spec)

  3327.                     if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0)

  3328.                         status = MIDI_STATUS_NOTE_OFF;

  3329. 

  3330.                     const uint32_t j     = fEventsIn.ctrlIndex;

  3331.                     const uint32_t mtime = isSampleAccurate ? startTime : event.time;

  3332. 

  3333.                     // put back channel in data

  3334.                     uint8_t midiData2[midiEvent.size];

  3335.                     midiData2[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT));

  3336.                     std::memcpy(midiData2+1, midiData+1, static_cast<std::size_t>(midiEvent.size-1));

  3337. 

  3338.                     if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3339.                         lv2_atom_buffer_write(&evInAtomIters[j], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, midiEvent.size, midiData2);

  3340. 

  3341.                     else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT)

  3342.                         lv2_event_write(&evInEventIters[j], mtime, 0, CARLA_URI_MAP_ID_MIDI_EVENT, midiEvent.size, midiData2);

  3343. 

  3344.                     else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL)

  3345.                         lv2midi_put_event(&evInMidiStates[j], mtime, midiEvent.size, midiData2);

  3346. 

  3347.                     if (status == MIDI_STATUS_NOTE_ON)

  3348.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiData[1], midiData[2]);

  3349.                     else if (status == MIDI_STATUS_NOTE_OFF)

  3350.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiData[1], 0.0f);

  3351.                 } break;

  3352.                 } // switch (event.type)

  3353.             }

  3354. 

  3355.             pData->postRtEvents.trySplice();

  3356. 

  3357.             if (frames > timeOffset)

  3358.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset);

  3359. 

  3360.         } // End of Event Input and Processing

  3361. 

  3362.         // --------------------------------------------------------------------------------------------------------

  3363.         // Plugin processing (no events)

  3364. 

  3365.         else

  3366.         {

  3367.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0);

  3368. 

  3369.         } // End of Plugin processing (no events)

  3370. 

  3371. #ifndef BUILD_BRIDGE

  3372. #if 0 // TODO

  3373.         // --------------------------------------------------------------------------------------------------------

  3374.         // Latency, save values for next callback

  3375. 

  3376.         if (fLatencyIndex != -1)

  3377.         {

  3378.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  3379.             {

  3380.                 fLatencyChanged = true;

  3381.             }

  3382.             else if (pData->latency > 0)

  3383.             {

  3384.                 if (pData->latency <= frames)

  3385.                 {

  3386.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3387.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  3388.                 }

  3389.                 else

  3390.                 {

  3391.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  3392.                     {

  3393.                         for (k=0; k < pData->latency-frames; ++k)

  3394.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  3395.                         for (j=0; k < pData->latency; ++j, ++k)

  3396.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  3397.                     }

  3398.                 }

  3399.             }

  3400.         }

  3401. #endif

  3402. #endif

  3403. 

  3404.         // --------------------------------------------------------------------------------------------------------

  3405.         // MIDI Output

  3406. 

  3407.         if (fEventsOut.ctrl != nullptr)

  3408.         {

  3409.             if (fEventsOut.ctrl->type & CARLA_EVENT_DATA_ATOM)

  3410.             {

  3411.                 const LV2_Atom_Event* ev;

  3412.                 LV2_Atom_Buffer_Iterator iter;

  3413. 

  3414.                 uint8_t* data;

  3415.                 lv2_atom_buffer_begin(&iter, fEventsOut.ctrl->atom);

  3416. 

  3417.                 for (;;)

  3418.                 {

  3419.                     data = nullptr;

  3420.                     ev = lv2_atom_buffer_get(&iter, &data);

  3421. 

  3422.                     if (ev == nullptr || ev->body.size == 0 || data == nullptr)

  3423.                         break;

  3424. 

  3425.                     if (ev->body.type == CARLA_URI_MAP_ID_MIDI_EVENT)

  3426.                     {

  3427.                         if (fEventsOut.ctrl->port != nullptr)

  3428.                         {

  3429.                             CARLA_SAFE_ASSERT_CONTINUE(ev->time.frames >= 0);

  3430.                             CARLA_SAFE_ASSERT_CONTINUE(ev->body.size < 0xFF);

  3431.                             fEventsOut.ctrl->port->writeMidiEvent(static_cast<uint32_t>(ev->time.frames), static_cast<uint8_t>(ev->body.size), data);

  3432.                         }

  3433.                     }

  3434.                     else //if (ev->body.type == CARLA_URI_MAP_ID_ATOM_BLANK)

  3435.                     {

  3436.                         //carla_stdout("Got out event, %s", carla_lv2_urid_unmap(this, ev->body.type));

  3437.                         fAtomBufferOut.put(&ev->body, fEventsOut.ctrl->rindex);

  3438.                     }

  3439. 

  3440.                     lv2_atom_buffer_increment(&iter);

  3441.                 }

  3442.             }

  3443.             else if ((fEventsOut.ctrl->type & CARLA_EVENT_DATA_EVENT) != 0 && fEventsOut.ctrl->port != nullptr)

  3444.             {

  3445.                 const LV2_Event* ev;

  3446.                 LV2_Event_Iterator iter;

  3447. 

  3448.                 uint8_t* data;

  3449.                 lv2_event_begin(&iter, fEventsOut.ctrl->event);

  3450. 

  3451.                 for (;;)

  3452.                 {

  3453.                     data = nullptr;

  3454.                     ev = lv2_event_get(&iter, &data);

  3455. 

  3456.                     if (ev == nullptr || data == nullptr)

  3457.                         break;

  3458. 

  3459.                     if (ev->type == CARLA_URI_MAP_ID_MIDI_EVENT)

  3460.                     {

  3461.                         CARLA_SAFE_ASSERT_CONTINUE(ev->size < 0xFF);

  3462.                         fEventsOut.ctrl->port->writeMidiEvent(ev->frames, static_cast<uint8_t>(ev->size), data);

  3463.                     }

  3464. 

  3465.                     lv2_event_increment(&iter);

  3466.                 }

  3467.             }

  3468.             else if ((fEventsOut.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) != 0 && fEventsOut.ctrl->port != nullptr)

  3469.             {

  3470.                 LV2_MIDIState state = { &fEventsOut.ctrl->midi, frames, 0 };

  3471. 

  3472.                 uint32_t eventSize;

  3473.                 double   eventTime;

  3474.                 uchar* eventData;

  3475. 

  3476.                 for (;;)

  3477.                 {

  3478.                     eventSize = 0;

  3479.                     eventTime = 0.0;

  3480.                     eventData = nullptr;

  3481.                     lv2midi_get_event(&state, &eventTime, &eventSize, &eventData);

  3482. 

  3483.                     if (eventData == nullptr || eventSize == 0)

  3484.                         break;

  3485. 

  3486.                     CARLA_SAFE_ASSERT_CONTINUE(eventSize < 0xFF);

  3487.                     CARLA_SAFE_ASSERT_CONTINUE(eventTime >= 0.0);

  3488. 

  3489.                     fEventsOut.ctrl->port->writeMidiEvent(static_cast<uint32_t>(eventTime), static_cast<uint8_t>(eventSize), eventData);

  3490.                     lv2midi_step(&state);

  3491.                 }

  3492.             }

  3493.         }

  3494. 

  3495. #ifndef BUILD_BRIDGE

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

  3497.         // Control Output

  3498. 

  3499.         if (pData->event.portOut != nullptr)

  3500.         {

  3501.             uint8_t  channel;

  3502.             uint16_t param;

  3503.             float    value;

  3504. 

  3505.             for (uint32_t k=0; k < pData->param.count; ++k)

  3506.             {

  3507.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  3508.                     continue;

  3509. 

  3510.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  3511. 

  3512.                 if (pData->param.data[k].midiCC > 0)

  3513.                 {

  3514.                     channel = pData->param.data[k].midiChannel;

  3515.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  3516.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  3517.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  3518.                 }

  3519.             }

  3520.         } // End of Control Output

  3521. #endif

  3522. 

  3523.         // --------------------------------------------------------------------------------------------------------

  3524.         // Final work

  3525. 

  3526.         if (fExt.worker != nullptr && fExt.worker->end_run != nullptr)

  3527.         {

  3528.             fExt.worker->end_run(fHandle);

  3529. 

  3530.             if (fHandle2 != nullptr)

  3531.                 fExt.worker->end_run(fHandle2);

  3532.         }

  3533. 

  3534.         fFirstActive = false;

  3535. 

  3536.         // --------------------------------------------------------------------------------------------------------

  3537.     }

  3538. 

  3539.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset)

  3540.     {

  3541.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  3542. 

  3543.         if (pData->audioIn.count > 0)

  3544.         {

  3545.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  3546.         }

  3547.         if (pData->audioOut.count > 0)

  3548.         {

  3549.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  3550.         }

  3551.         if (pData->cvIn.count > 0)

  3552.         {

  3553.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  3554.         }

  3555.         if (pData->cvOut.count > 0)

  3556.         {

  3557.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  3558.         }

  3559. 

  3560.         // --------------------------------------------------------------------------------------------------------

  3561.         // Try lock, silence otherwise

  3562. 

  3563.         if (pData->engine->isOffline())

  3564.         {

  3565.             pData->singleMutex.lock();

  3566.         }

  3567.         else if (! pData->singleMutex.tryLock())

  3568.         {

  3569.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3570.             {

  3571.                 for (uint32_t k=0; k < frames; ++k)

  3572.                     audioOut[i][k+timeOffset] = 0.0f;

  3573.             }

  3574.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3575.             {

  3576.                 for (uint32_t k=0; k < frames; ++k)

  3577.                     cvOut[i][k+timeOffset] = 0.0f;

  3578.             }

  3579. 

  3580.             return false;

  3581.         }

  3582. 

  3583.         // --------------------------------------------------------------------------------------------------------

  3584.         // Set audio buffers

  3585. 

  3586.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3587.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  3588. 

  3589.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3590.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  3591. 

  3592.         // --------------------------------------------------------------------------------------------------------

  3593.         // Set CV buffers

  3594. 

  3595.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3596.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  3597. 

  3598.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3599.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  3600. 

  3601.         // --------------------------------------------------------------------------------------------------------

  3602.         // Run plugin

  3603. 

  3604.         fDescriptor->run(fHandle, frames);

  3605. 

  3606.         if (fHandle2 != nullptr)

  3607.             fDescriptor->run(fHandle2, frames);

  3608. 

  3609.         // --------------------------------------------------------------------------------------------------------

  3610.         // Handle trigger parameters

  3611. 

  3612.         for (uint32_t k=0; k < pData->param.count; ++k)

  3613.         {

  3614.             if (pData->param.data[k].type != PARAMETER_INPUT)

  3615.                 continue;

  3616. 

  3617.             if (pData->param.data[k].hints & PARAMETER_IS_TRIGGER)

  3618.             {

  3619.                 if (carla_isNotEqual(fParamBuffers[k], pData->param.ranges[k].def))

  3620.                 {

  3621.                     fParamBuffers[k] = pData->param.ranges[k].def;

  3622.                     pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, fParamBuffers[k]);

  3623.                 }

  3624.             }

  3625.         }

  3626. 

  3627.         pData->postRtEvents.trySplice();

  3628. 

  3629. #ifndef BUILD_BRIDGE

  3630.         // --------------------------------------------------------------------------------------------------------

  3631.         // Post-processing (dry/wet, volume and balance)

  3632. 

  3633.         {

  3634.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  3635.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  3636.             const bool isMono    = (pData->audioIn.count == 1);

  3637. 

  3638.             bool isPair;

  3639.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  3640. 

  3641.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3642.             {

  3643.                 // Dry/Wet

  3644.                 if (doDryWet)

  3645.                 {

  3646.                     for (uint32_t k=0; k < frames; ++k)

  3647.                     {

  3648. #if 0 // TODO

  3649.                         if (k < pData->latency)

  3650.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  3651.                         else if (pData->latency < frames)

  3652.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  3653.                         else

  3654. #endif

  3655.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  3656. 

  3657.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  3658.                     }

  3659.                 }

  3660. 

  3661.                 // Balance

  3662.                 if (doBalance)

  3663.                 {

  3664.                     isPair = (i % 2 == 0);

  3665. 

  3666.                     if (isPair)

  3667.                     {

  3668.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  3669.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  3670.                     }

  3671. 

  3672.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  3673.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  3674. 

  3675.                     for (uint32_t k=0; k < frames; ++k)

  3676.                     {

  3677.                         if (isPair)

  3678.                         {

  3679.                             // left

  3680.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  3681.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  3682.                         }

  3683.                         else

  3684.                         {

  3685.                             // right

  3686.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  3687.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  3688.                         }

  3689.                     }

  3690.                 }

  3691. 

  3692.                 // Volume (and buffer copy)

  3693.                 {

  3694.                     for (uint32_t k=0; k < frames; ++k)

  3695.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  3696.                 }

  3697.             }

  3698.         } // End of Post-processing

  3699. 

  3700. #else // BUILD_BRIDGE

  3701.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3702.         {

  3703.             for (uint32_t k=0; k < frames; ++k)

  3704.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  3705.         }

  3706. #endif

  3707. 

  3708.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3709.         {

  3710.             for (uint32_t k=0; k < frames; ++k)

  3711.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  3712.         }

  3713. 

  3714.         // --------------------------------------------------------------------------------------------------------

  3715. 

  3716.         pData->singleMutex.unlock();

  3717.         return true;

  3718.     }

  3719. 

  3720.     void bufferSizeChanged(const uint32_t newBufferSize) override

  3721.     {

  3722.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  3723.         carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - start", newBufferSize);

  3724. 

  3725.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3726.         {

  3727.             if (fAudioInBuffers[i] != nullptr)

  3728.                 delete[] fAudioInBuffers[i];

  3729.             fAudioInBuffers[i] = new float[newBufferSize];

  3730.         }

  3731. 

  3732.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3733.         {

  3734.             if (fAudioOutBuffers[i] != nullptr)

  3735.                 delete[] fAudioOutBuffers[i];

  3736.             fAudioOutBuffers[i] = new float[newBufferSize];

  3737.         }

  3738. 

  3739.         if (fHandle2 == nullptr)

  3740.         {

  3741.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3742.             {

  3743.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  3744.                 fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  3745.             }

  3746. 

  3747.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3748.             {

  3749.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  3750.                 fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  3751.             }

  3752.         }

  3753.         else

  3754.         {

  3755.             if (pData->audioIn.count > 0)

  3756.             {

  3757.                 CARLA_ASSERT(pData->audioIn.count == 2);

  3758.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  3759.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  3760. 

  3761.                 fDescriptor->connect_port(fHandle,  pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  3762.                 fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  3763.             }

  3764. 

  3765.             if (pData->audioOut.count > 0)

  3766.             {

  3767.                 CARLA_ASSERT(pData->audioOut.count == 2);

  3768.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  3769.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  3770. 

  3771.                 fDescriptor->connect_port(fHandle,  pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  3772.                 fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  3773.             }

  3774.         }

  3775. 

  3776.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3777.         {

  3778.             if (fCvInBuffers[i] != nullptr)

  3779.                 delete[] fCvInBuffers[i];

  3780.             fCvInBuffers[i] = new float[newBufferSize];

  3781. 

  3782.             fDescriptor->connect_port(fHandle, pData->cvIn.ports[i].rindex, fCvInBuffers[i]);

  3783. 

  3784.             if (fHandle2 != nullptr)

  3785.                 fDescriptor->connect_port(fHandle2, pData->cvIn.ports[i].rindex, fCvInBuffers[i]);

  3786.         }

  3787. 

  3788.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3789.         {

  3790.             if (fCvOutBuffers[i] != nullptr)

  3791.                 delete[] fCvOutBuffers[i];

  3792.             fCvOutBuffers[i] = new float[newBufferSize];

  3793. 

  3794.             fDescriptor->connect_port(fHandle, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]);

  3795. 

  3796.             if (fHandle2 != nullptr)

  3797.                 fDescriptor->connect_port(fHandle2, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]);

  3798.         }

  3799. 

  3800.         const int newBufferSizeInt(static_cast<int>(newBufferSize));

  3801. 

  3802.         if (fLv2Options.maxBufferSize != newBufferSizeInt || (fLv2Options.minBufferSize != 1 && fLv2Options.minBufferSize != newBufferSizeInt))

  3803.         {

  3804.             fLv2Options.maxBufferSize = fLv2Options.nominalBufferSize = newBufferSizeInt;

  3805. 

  3806.             if (fLv2Options.minBufferSize != 1)

  3807.                 fLv2Options.minBufferSize = newBufferSizeInt;

  3808. 

  3809.             if (fExt.options != nullptr && fExt.options->set != nullptr)

  3810.             {

  3811.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MaxBlockLenth]);

  3812.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::NominalBlockLenth]);

  3813. 

  3814.                 if (fLv2Options.minBufferSize != 1)

  3815.                     fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MinBlockLenth]);

  3816.             }

  3817.         }

  3818. 

  3819.         carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - end", newBufferSize);

  3820.     }

  3821. 

  3822.     void sampleRateChanged(const double newSampleRate) override

  3823.     {

  3824.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  3825.         carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - start", newSampleRate);

  3826. 

  3827.         if (carla_isNotEqual(fLv2Options.sampleRate, newSampleRate))

  3828.         {

  3829.             fLv2Options.sampleRate = newSampleRate;

  3830. 

  3831.             if (fExt.options != nullptr && fExt.options->set != nullptr)

  3832.                 fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::SampleRate]);

  3833.         }

  3834. 

  3835.         for (uint32_t k=0; k < pData->param.count; ++k)

  3836.         {

  3837.             if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_SAMPLE_RATE)

  3838.             {

  3839.                 fParamBuffers[k] = static_cast<float>(newSampleRate);

  3840.                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  3841.                 break;

  3842.             }

  3843.         }

  3844. 

  3845.         carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - end", newSampleRate);

  3846.     }

  3847. 

  3848.     void offlineModeChanged(const bool isOffline) override

  3849.     {

  3850.         for (uint32_t k=0; k < pData->param.count; ++k)

  3851.         {

  3852.             if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_FREEWHEEL)

  3853.             {

  3854.                 fParamBuffers[k] = isOffline ? pData->param.ranges[k].max : pData->param.ranges[k].min;

  3855.                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 1, fParamBuffers[k]);

  3856.                 break;

  3857.             }

  3858.         }

  3859.     }

  3860. 

  3861.     // -------------------------------------------------------------------

  3862.     // Plugin buffers

  3863. 

  3864.     void initBuffers() const noexcept override

  3865.     {

  3866.         fEventsIn.initBuffers();

  3867.         fEventsOut.initBuffers();

  3868. 

  3869.         CarlaPlugin::initBuffers();

  3870.     }

  3871. 

  3872.     void clearBuffers() noexcept override

  3873.     {

  3874.         carla_debug("CarlaPluginLV2::clearBuffers() - start");

  3875. 

  3876.         if (fAudioInBuffers != nullptr)

  3877.         {

  3878.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  3879.             {

  3880.                 if (fAudioInBuffers[i] != nullptr)

  3881.                 {

  3882.                     delete[] fAudioInBuffers[i];

  3883.                     fAudioInBuffers[i] = nullptr;

  3884.                 }

  3885.             }

  3886. 

  3887.             delete[] fAudioInBuffers;

  3888.             fAudioInBuffers = nullptr;

  3889.         }

  3890. 

  3891.         if (fAudioOutBuffers != nullptr)

  3892.         {

  3893.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  3894.             {

  3895.                 if (fAudioOutBuffers[i] != nullptr)

  3896.                 {

  3897.                     delete[] fAudioOutBuffers[i];

  3898.                     fAudioOutBuffers[i] = nullptr;

  3899.                 }

  3900.             }

  3901. 

  3902.             delete[] fAudioOutBuffers;

  3903.             fAudioOutBuffers = nullptr;

  3904.         }

  3905. 

  3906.         if (fCvInBuffers != nullptr)

  3907.         {

  3908.             for (uint32_t i=0; i < pData->cvIn.count; ++i)

  3909.             {

  3910.                 if (fCvInBuffers[i] != nullptr)

  3911.                 {

  3912.                     delete[] fCvInBuffers[i];

  3913.                     fCvInBuffers[i] = nullptr;

  3914.                 }

  3915.             }

  3916. 

  3917.             delete[] fCvInBuffers;

  3918.             fCvInBuffers = nullptr;

  3919.         }

  3920. 

  3921.         if (fCvOutBuffers != nullptr)

  3922.         {

  3923.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  3924.             {

  3925.                 if (fCvOutBuffers[i] != nullptr)

  3926.                 {

  3927.                     delete[] fCvOutBuffers[i];

  3928.                     fCvOutBuffers[i] = nullptr;

  3929.                 }

  3930.             }

  3931. 

  3932.             delete[] fCvOutBuffers;

  3933.             fCvOutBuffers = nullptr;

  3934.         }

  3935. 

  3936.         if (fParamBuffers != nullptr)

  3937.         {

  3938.             delete[] fParamBuffers;

  3939.             fParamBuffers = nullptr;

  3940.         }

  3941. 

  3942.         fEventsIn.clear();

  3943.         fEventsOut.clear();

  3944. 

  3945.         CarlaPlugin::clearBuffers();

  3946. 

  3947.         carla_debug("CarlaPluginLV2::clearBuffers() - end");

  3948.     }

  3949. 

  3950.     // -------------------------------------------------------------------

  3951.     // Post-poned UI Stuff

  3952. 

  3953.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  3954.     {

  3955.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3956.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  3957. 

  3958.         if (fUI.type == UI::TYPE_BRIDGE)

  3959.         {

  3960.             if (fPipeServer.isPipeRunning())

  3961.                 fPipeServer.writeControlMessage(static_cast<uint32_t>(pData->param.data[index].rindex), value);

  3962.         }

  3963.         else

  3964.         {

  3965.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && ! fNeedsUiClose)

  3966.             {

  3967.                 CARLA_SAFE_ASSERT_RETURN(pData->param.data[index].rindex >= 0,);

  3968.                 fUI.descriptor->port_event(fUI.handle, static_cast<uint32_t>(pData->param.data[index].rindex), sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  3969.             }

  3970.         }

  3971.     }

  3972. 

  3973.     void uiMidiProgramChange(const uint32_t index) noexcept override

  3974.     {

  3975.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3976.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  3977. 

  3978.         if (fUI.type == UI::TYPE_BRIDGE)

  3979.         {

  3980.             if (fPipeServer.isPipeRunning())

  3981.                 fPipeServer.writeMidiProgramMessage(pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  3982.         }

  3983.         else

  3984.         {

  3985.             if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program != nullptr && ! fNeedsUiClose)

  3986.                 fExt.uiprograms->select_program(fUI.handle, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  3987.         }

  3988.     }

  3989. 

  3990.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  3991.     {

  3992.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  3993.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  3994.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  3995.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  3996. 

  3997.         if (fUI.type == UI::TYPE_BRIDGE)

  3998.         {

  3999.             if (fPipeServer.isPipeRunning())

  4000.                 fPipeServer.writeMidiNoteMessage(false, channel, note, velo);

  4001.         }

  4002.         else

  4003.         {

  4004.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr && ! fNeedsUiClose)

  4005.             {

  4006.                 LV2_Atom_MidiEvent midiEv;

  4007.                 midiEv.atom.type = CARLA_URI_MAP_ID_MIDI_EVENT;

  4008.                 midiEv.atom.size = 3;

  4009.                 midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  4010.                 midiEv.data[1] = note;

  4011.                 midiEv.data[2] = velo;

  4012. 

  4013.                 fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, &midiEv);

  4014.             }

  4015.         }

  4016.     }

  4017. 

  4018.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  4019.     {

  4020.         CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,);

  4021.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  4022.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  4023. 

  4024.         if (fUI.type == UI::TYPE_BRIDGE)

  4025.         {

  4026.             if (fPipeServer.isPipeRunning())

  4027.                 fPipeServer.writeMidiNoteMessage(false, channel, note, 0);

  4028.         }

  4029.         else

  4030.         {

  4031.             if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr && ! fNeedsUiClose)

  4032.             {

  4033.                 LV2_Atom_MidiEvent midiEv;

  4034.                 midiEv.atom.type = CARLA_URI_MAP_ID_MIDI_EVENT;

  4035.                 midiEv.atom.size = 3;

  4036.                 midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (channel & MIDI_CHANNEL_BIT));

  4037.                 midiEv.data[1] = note;

  4038.                 midiEv.data[2] = 0;

  4039. 

  4040.                 fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, &midiEv);

  4041.             }

  4042.         }

  4043.     }

  4044. 

  4045.     // -------------------------------------------------------------------

  4046. 

  4047.     bool isRealtimeSafe() const noexcept

  4048.     {

  4049.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

  4050. 

  4051.         for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i)

  4052.         {

  4053.             if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_CORE__hardRTCapable) == 0)

  4054.                 return true;

  4055.         }

  4056. 

  4057.         return false;

  4058.     }

  4059. 

  4060.     bool needsFixedBuffer() const noexcept

  4061.     {

  4062.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

  4063. 

  4064.         for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i)

  4065.         {

  4066.             if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_BUF_SIZE__fixedBlockLength) == 0)

  4067.                 return true;

  4068.         }

  4069. 

  4070.         return false;

  4071.     }

  4072. 

  4073.     // -------------------------------------------------------------------

  4074. 

  4075.     bool isUiBridgeable(const uint32_t uiId) const noexcept

  4076.     {

  4077.         CARLA_SAFE_ASSERT_RETURN(uiId < fRdfDescriptor->UICount, false);

  4078. 

  4079. #ifndef LV2_UIS_ONLY_INPROCESS

  4080.         const LV2_RDF_UI* const rdfUI(&fRdfDescriptor->UIs[uiId]);

  4081. 

  4082.         for (uint32_t i=0; i < rdfUI->FeatureCount; ++i)

  4083.         {

  4084.             const LV2_RDF_Feature& feat(rdfUI->Features[i]);

  4085. 

  4086.             if (! feat.Required)

  4087.                 continue;

  4088.             if (std::strcmp(feat.URI, LV2_INSTANCE_ACCESS_URI) == 0)

  4089.                 return false;

  4090.             if (std::strcmp(feat.URI, LV2_DATA_ACCESS_URI) == 0)

  4091.                 return false;

  4092.         }

  4093. 

  4094.         // Calf UIs are mostly useless without their special graphs

  4095.         // but they can be crashy under certain conditions, so follow user preferences

  4096.         if (std::strstr(rdfUI->URI, "http://calf.sourceforge.net/plugins/gui/") != nullptr)

  4097.             return pData->engine->getOptions().preferUiBridges;

  4098. 

  4099.         return true;

  4100. #else

  4101.         return false;

  4102. #endif

  4103.     }

  4104. 

  4105.     bool isUiResizable() const noexcept

  4106.     {

  4107.         CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr, false);

  4108. 

  4109.         for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i)

  4110.         {

  4111.             if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__fixedSize) == 0)

  4112.                 return false;

  4113.             if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__noUserResize) == 0)

  4114.                 return false;

  4115.         }

  4116. 

  4117.         return true;

  4118.     }

  4119. 

  4120.     const char* getUiBridgeBinary(const LV2_Property type) const

  4121.     {

  4122.         CarlaString bridgeBinary(pData->engine->getOptions().binaryDir);

  4123. 

  4124.         if (bridgeBinary.isEmpty())

  4125.             return nullptr;

  4126. 

  4127.         switch (type)

  4128.         {

  4129.         case LV2_UI_GTK2:

  4130.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk2";

  4131.             break;

  4132.         case LV2_UI_GTK3:

  4133.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk3";

  4134.             break;

  4135.         case LV2_UI_QT4:

  4136.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt4";

  4137.             break;

  4138.         case LV2_UI_QT5:

  4139.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt5";

  4140.             break;

  4141.         case LV2_UI_COCOA:

  4142.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-cocoa";

  4143.             break;

  4144.         case LV2_UI_WINDOWS:

  4145.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-windows";

  4146.             break;

  4147.         case LV2_UI_X11:

  4148.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-x11";

  4149.             break;

  4150.         case LV2_UI_EXTERNAL:

  4151.         case LV2_UI_OLD_EXTERNAL:

  4152.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-external";

  4153.             break;

  4154.         case LV2_UI_MOD:

  4155.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-modgui";

  4156.             break;

  4157.         default:

  4158.             return nullptr;

  4159.         }

  4160. 

  4161. #ifdef CARLA_OS_WIN

  4162.         bridgeBinary += ".exe";

  4163. #endif

  4164. 

  4165.         if (! File(bridgeBinary.buffer()).existsAsFile())

  4166.             return nullptr;

  4167. 

  4168.         return bridgeBinary.dup();

  4169.     }

  4170. 

  4171.     // -------------------------------------------------------------------

  4172. 

  4173.     void recheckExtensions()

  4174.     {

  4175.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,);

  4176.         carla_debug("CarlaPluginLV2::recheckExtensions()");

  4177. 

  4178.         fExt.options  = nullptr;

  4179.         fExt.programs = nullptr;

  4180.         fExt.state    = nullptr;

  4181.         fExt.worker   = nullptr;

  4182. 

  4183.         for (uint32_t i=0; i < fRdfDescriptor->ExtensionCount; ++i)

  4184.         {

  4185.             CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->Extensions[i] != nullptr);

  4186. 

  4187.             if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_OPTIONS__interface) == 0)

  4188.                 pData->hints |= PLUGIN_HAS_EXTENSION_OPTIONS;

  4189.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0)

  4190.                 pData->hints |= PLUGIN_HAS_EXTENSION_PROGRAMS;

  4191.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_STATE__interface) == 0)

  4192.                 pData->hints |= PLUGIN_HAS_EXTENSION_STATE;

  4193.             else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_WORKER__interface) == 0)

  4194.                 pData->hints |= PLUGIN_HAS_EXTENSION_WORKER;

  4195.             else

  4196.                 carla_stdout("Plugin has non-supported extension: '%s'", fRdfDescriptor->Extensions[i]);

  4197.         }

  4198. 

  4199.         if (fDescriptor->extension_data != nullptr)

  4200.         {

  4201.             if (pData->hints & PLUGIN_HAS_EXTENSION_OPTIONS)

  4202.                 fExt.options = (const LV2_Options_Interface*)fDescriptor->extension_data(LV2_OPTIONS__interface);

  4203. 

  4204.             if (pData->hints & PLUGIN_HAS_EXTENSION_PROGRAMS)

  4205.                 fExt.programs = (const LV2_Programs_Interface*)fDescriptor->extension_data(LV2_PROGRAMS__Interface);

  4206. 

  4207.             if (pData->hints & PLUGIN_HAS_EXTENSION_STATE)

  4208.                 fExt.state = (const LV2_State_Interface*)fDescriptor->extension_data(LV2_STATE__interface);

  4209. 

  4210.             if (pData->hints & PLUGIN_HAS_EXTENSION_WORKER)

  4211.                 fExt.worker = (const LV2_Worker_Interface*)fDescriptor->extension_data(LV2_WORKER__interface);

  4212. 

  4213.             // check if invalid

  4214.             if (fExt.options != nullptr && fExt.options->get == nullptr  && fExt.options->set == nullptr)

  4215.                 fExt.options = nullptr;

  4216. 

  4217.             if (fExt.programs != nullptr && (fExt.programs->get_program == nullptr || fExt.programs->select_program == nullptr))

  4218.                 fExt.programs = nullptr;

  4219. 

  4220.             if (fExt.state != nullptr && (fExt.state->save == nullptr || fExt.state->restore == nullptr))

  4221.                 fExt.state = nullptr;

  4222. 

  4223.             if (fExt.worker != nullptr && fExt.worker->work == nullptr)

  4224.                 fExt.worker = nullptr;

  4225.         }

  4226. 

  4227.         CARLA_SAFE_ASSERT_RETURN(fLatencyIndex == -1,);

  4228. 

  4229.         int32_t iCtrl=0;

  4230.         for (uint32_t i=0, count=fRdfDescriptor->PortCount; i<count; ++i)

  4231.         {

  4232.             const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types);

  4233. 

  4234.             if (! LV2_IS_PORT_CONTROL(portTypes))

  4235.                 continue;

  4236. 

  4237.             const ScopedValueSetter<int32_t> svs(iCtrl, iCtrl, iCtrl+1);

  4238. 

  4239.             if (! LV2_IS_PORT_OUTPUT(portTypes))

  4240.                 continue;

  4241. 

  4242.             const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation);

  4243. 

  4244.             if (! LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation))

  4245.                 continue;

  4246. 

  4247.             fLatencyIndex = iCtrl;

  4248.             break;

  4249.         }

  4250.     }

  4251. 

  4252.     // -------------------------------------------------------------------

  4253. 

  4254.     void updateUi()

  4255.     {

  4256.         CARLA_SAFE_ASSERT_RETURN(fUI.handle != nullptr,);

  4257.         CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,);

  4258.         carla_debug("CarlaPluginLV2::updateUi()");

  4259. 

  4260.         // update midi program

  4261.         if (fExt.uiprograms != nullptr && pData->midiprog.count > 0 && pData->midiprog.current >= 0)

  4262.         {

  4263.             const MidiProgramData& curData(pData->midiprog.getCurrent());

  4264.             fExt.uiprograms->select_program(fUI.handle, curData.bank, curData.program);

  4265.         }

  4266. 

  4267.         // update control ports

  4268.         if (fUI.descriptor->port_event != nullptr)

  4269.         {

  4270.             float value;

  4271.             for (uint32_t i=0; i < pData->param.count; ++i)

  4272.             {

  4273.                 value = getParameterValue(i);

  4274.                 fUI.descriptor->port_event(fUI.handle, static_cast<uint32_t>(pData->param.data[i].rindex), sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  4275.             }

  4276.         }

  4277.     }

  4278. 

  4279.     // -------------------------------------------------------------------

  4280. 

  4281.     LV2_URID getCustomURID(const char* const uri)

  4282.     {

  4283.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', CARLA_URI_MAP_ID_NULL);

  4284.         carla_debug("CarlaPluginLV2::getCustomURID(\"%s\")", uri);

  4285. 

  4286.         for (size_t i=0; i < fCustomURIDs.count(); ++i)

  4287.         {

  4288.             const char* const thisUri(fCustomURIDs.getAt(i, nullptr));

  4289.             if (thisUri != nullptr && std::strcmp(thisUri, uri) == 0)

  4290.                 return static_cast<LV2_URID>(i);

  4291.         }

  4292. 

  4293.         const LV2_URID urid(static_cast<LV2_URID>(fCustomURIDs.count()));

  4294. 

  4295.         fCustomURIDs.append(carla_strdup(uri));

  4296. 

  4297.         if (fUI.type == UI::TYPE_BRIDGE && fPipeServer.isPipeRunning())

  4298.             fPipeServer.writeLv2UridMessage(urid, uri);

  4299. 

  4300.         return urid;

  4301.     }

  4302. 

  4303.     const char* getCustomURIDString(const LV2_URID urid) const noexcept

  4304.     {

  4305.         static const char* const sFallback = "urn:null";

  4306.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL, sFallback);

  4307.         CARLA_SAFE_ASSERT_RETURN(urid < fCustomURIDs.count(), sFallback);

  4308.         carla_debug("CarlaPluginLV2::getCustomURIString(%i)", urid);

  4309. 

  4310.         return fCustomURIDs.getAt(urid, sFallback);

  4311.     }

  4312. 

  4313.     // -------------------------------------------------------------------

  4314. 

  4315.     void handleProgramChanged(const int32_t index)

  4316.     {

  4317.         CARLA_SAFE_ASSERT_RETURN(index >= -1,);

  4318.         carla_debug("CarlaPluginLV2::handleProgramChanged(%i)", index);

  4319. 

  4320.         if (index == -1)

  4321.         {

  4322.             const ScopedSingleProcessLocker spl(this, true);

  4323.             return reloadPrograms(false);

  4324.         }

  4325. 

  4326.         if (index < static_cast<int32_t>(pData->midiprog.count) && fExt.programs != nullptr && fExt.programs->get_program != nullptr)

  4327.         {

  4328.             if (const LV2_Program_Descriptor* const progDesc = fExt.programs->get_program(fHandle, static_cast<uint32_t>(index)))

  4329.             {

  4330.                 CARLA_SAFE_ASSERT_RETURN(progDesc->name != nullptr,);

  4331. 

  4332.                 if (pData->midiprog.data[index].name != nullptr)

  4333.                     delete[] pData->midiprog.data[index].name;

  4334. 

  4335.                 pData->midiprog.data[index].name = carla_strdup(progDesc->name);

  4336. 

  4337.                 if (index == pData->midiprog.current)

  4338.                     pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, 0, 0, 0.0, nullptr);

  4339.                 else

  4340.                     pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0, nullptr);

  4341.             }

  4342.         }

  4343.     }

  4344. 

  4345.     // -------------------------------------------------------------------

  4346. 

  4347.     LV2_Resize_Port_Status handleResizePort(const uint32_t index, const size_t size)

  4348.     {

  4349.         CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_RESIZE_PORT_ERR_UNKNOWN);

  4350.         carla_debug("CarlaPluginLV2::handleResizePort(%i, " P_SIZE ")", index, size);

  4351. 

  4352.         // TODO

  4353.         return LV2_RESIZE_PORT_ERR_NO_SPACE;

  4354.         (void)index;

  4355.     }

  4356. 

  4357.     // -------------------------------------------------------------------

  4358. 

  4359.     LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags)

  4360.     {

  4361.         CARLA_SAFE_ASSERT_RETURN(key != CARLA_URI_MAP_ID_NULL, LV2_STATE_ERR_NO_PROPERTY);

  4362.         CARLA_SAFE_ASSERT_RETURN(value != nullptr, LV2_STATE_ERR_NO_PROPERTY);

  4363.         CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_STATE_ERR_NO_PROPERTY);

  4364.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, LV2_STATE_ERR_BAD_TYPE);

  4365.         CARLA_SAFE_ASSERT_RETURN(flags & LV2_STATE_IS_POD, LV2_STATE_ERR_BAD_FLAGS);

  4366.         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);

  4367. 

  4368.         const char* const skey(carla_lv2_urid_unmap(this, key));

  4369.         const char* const stype(carla_lv2_urid_unmap(this, type));

  4370. 

  4371.         CARLA_SAFE_ASSERT_RETURN(skey != nullptr, LV2_STATE_ERR_BAD_TYPE);

  4372.         CARLA_SAFE_ASSERT_RETURN(stype != nullptr, LV2_STATE_ERR_BAD_TYPE);

  4373. 

  4374.         // Check if we already have this key

  4375.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  4376.         {

  4377.             CustomData& data(it.getValue());

  4378. 

  4379.             if (std::strcmp(data.key, skey) == 0)

  4380.             {

  4381.                 // found it

  4382.                 if (data.value != nullptr)

  4383.                     delete[] data.value;

  4384. 

  4385.                 if (type == CARLA_URI_MAP_ID_ATOM_STRING || type == CARLA_URI_MAP_ID_ATOM_PATH)

  4386.                     data.value = carla_strdup((const char*)value);

  4387.                 else

  4388.                     data.value = CarlaString::asBase64(value, size).dup();

  4389. 

  4390.                 return LV2_STATE_SUCCESS;

  4391.             }

  4392.         }

  4393. 

  4394.         // Otherwise store it

  4395.         CustomData newData;

  4396.         newData.type = carla_strdup(stype);

  4397.         newData.key  = carla_strdup(skey);

  4398. 

  4399.         if (type == CARLA_URI_MAP_ID_ATOM_STRING || type == CARLA_URI_MAP_ID_ATOM_PATH)

  4400.             newData.value = carla_strdup((const char*)value);

  4401.         else

  4402.             newData.value = CarlaString::asBase64(value, size).dup();

  4403. 

  4404.         pData->custom.append(newData);

  4405. 

  4406.         return LV2_STATE_SUCCESS;

  4407.     }

  4408. 

  4409.     const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags)

  4410.     {

  4411.         CARLA_SAFE_ASSERT_RETURN(key != CARLA_URI_MAP_ID_NULL, nullptr);

  4412.         CARLA_SAFE_ASSERT_RETURN(size != nullptr, nullptr);

  4413.         CARLA_SAFE_ASSERT_RETURN(type != nullptr, nullptr);

  4414.         CARLA_SAFE_ASSERT_RETURN(flags != nullptr, nullptr);

  4415.         carla_debug("CarlaPluginLV2::handleStateRetrieve(%i, %p, %p, %p)", key, size, type, flags);

  4416. 

  4417.         const char* const skey(carla_lv2_urid_unmap(this, key));

  4418. 

  4419.         CARLA_SAFE_ASSERT_RETURN(skey != nullptr, nullptr);

  4420. 

  4421.         const char* stype = nullptr;

  4422.         const char* stringData = nullptr;

  4423. 

  4424.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  4425.         {

  4426.             const CustomData& data(it.getValue());

  4427. 

  4428.             if (std::strcmp(data.key, skey) == 0)

  4429.             {

  4430.                 stype      = data.type;

  4431.                 stringData = data.value;

  4432.                 break;

  4433.             }

  4434.         }

  4435. 

  4436.         CARLA_SAFE_ASSERT_RETURN(stype != nullptr, nullptr);

  4437.         CARLA_SAFE_ASSERT_RETURN(stringData != nullptr, nullptr);

  4438. 

  4439.         *type  = carla_lv2_urid_map(this, stype);

  4440.         *flags = LV2_STATE_IS_POD;

  4441. 

  4442.         if (*type == CARLA_URI_MAP_ID_ATOM_STRING || *type == CARLA_URI_MAP_ID_ATOM_PATH)

  4443.         {

  4444.             *size = std::strlen(stringData);

  4445.             return stringData;

  4446.         }

  4447.         else

  4448.         {

  4449.             if (fLastStateChunk != nullptr)

  4450.             {

  4451.                 std::free(fLastStateChunk);

  4452.                 fLastStateChunk = nullptr;

  4453.             }

  4454. 

  4455.             std::vector<uint8_t> chunk(carla_getChunkFromBase64String(stringData));

  4456.             CARLA_SAFE_ASSERT_RETURN(chunk.size() > 0, nullptr);

  4457. 

  4458.             fLastStateChunk = std::malloc(chunk.size());

  4459.             CARLA_SAFE_ASSERT_RETURN(fLastStateChunk != nullptr, nullptr);

  4460. 

  4461.             std::memcpy(fLastStateChunk, chunk.data(), chunk.size());

  4462. 

  4463.             *size = chunk.size();

  4464.             return fLastStateChunk;

  4465.         }

  4466.     }

  4467. 

  4468.     // -------------------------------------------------------------------

  4469. 

  4470.     LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data)

  4471.     {

  4472.         CARLA_SAFE_ASSERT_RETURN(fExt.worker != nullptr && fExt.worker->work != nullptr, LV2_WORKER_ERR_UNKNOWN);

  4473.         CARLA_SAFE_ASSERT_RETURN(fEventsIn.ctrl != nullptr, LV2_WORKER_ERR_UNKNOWN);

  4474.         carla_debug("CarlaPluginLV2::handleWorkerSchedule(%i, %p)", size, data);

  4475. 

  4476.         if (pData->engine->isOffline())

  4477.         {

  4478.             fExt.worker->work(fHandle, carla_lv2_worker_respond, this, size, data);

  4479.             return LV2_WORKER_SUCCESS;

  4480.         }

  4481. 

  4482.         LV2_Atom atom;

  4483.         atom.size = size;

  4484.         atom.type = CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  4485. 

  4486.         return fAtomBufferOut.putChunk(&atom, data, fEventsOut.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE;

  4487.     }

  4488. 

  4489.     LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data)

  4490.     {

  4491.         carla_debug("CarlaPluginLV2::handleWorkerRespond(%i, %p)", size, data);

  4492. 

  4493.         LV2_Atom atom;

  4494.         atom.size = size;

  4495.         atom.type = CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  4496. 

  4497.         return fAtomBufferIn.putChunk(&atom, data, fEventsIn.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE;

  4498.     }

  4499. 

  4500.     // -------------------------------------------------------------------

  4501. 

  4502.     void handleExternalUIClosed()

  4503.     {

  4504.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EXTERNAL,);

  4505.         carla_debug("CarlaPluginLV2::handleExternalUIClosed()");

  4506. 

  4507.         fNeedsUiClose = true;

  4508.     }

  4509. 

  4510.     void handlePluginUIClosed() override

  4511.     {

  4512.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,);

  4513.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,);

  4514.         carla_debug("CarlaPluginLV2::handlePluginUIClosed()");

  4515. 

  4516.         fNeedsUiClose = true;

  4517.     }

  4518. 

  4519.     void handlePluginUIResized(const uint width, const uint height) override

  4520.     {

  4521.         CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,);

  4522.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,);

  4523.         carla_debug("CarlaPluginLV2::handlePluginUIResized(%u, %u)", width, height);

  4524. 

  4525.         if (fUI.handle != nullptr && fExt.uiresize != nullptr)

  4526.             fExt.uiresize->ui_resize(fUI.handle, static_cast<int>(width), static_cast<int>(height));

  4527.     }

  4528. 

  4529.     // -------------------------------------------------------------------

  4530. 

  4531.     uint32_t handleUIPortMap(const char* const symbol) const noexcept

  4532.     {

  4533.         CARLA_SAFE_ASSERT_RETURN(symbol != nullptr && symbol[0] != '\0', LV2UI_INVALID_PORT_INDEX);

  4534.         carla_debug("CarlaPluginLV2::handleUIPortMap(\"%s\")", symbol);

  4535. 

  4536.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  4537.         {

  4538.             if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, symbol) == 0)

  4539.                 return i;

  4540.         }

  4541. 

  4542.         return LV2UI_INVALID_PORT_INDEX;

  4543.     }

  4544. 

  4545.     int handleUIResize(const int width, const int height)

  4546.     {

  4547.         CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr, 1);

  4548.         CARLA_SAFE_ASSERT_RETURN(width > 0, 1);

  4549.         CARLA_SAFE_ASSERT_RETURN(height > 0, 1);

  4550.         carla_debug("CarlaPluginLV2::handleUIResize(%i, %i)", width, height);

  4551. 

  4552.         fUI.window->setSize(static_cast<uint>(width), static_cast<uint>(height), true);

  4553. 

  4554.         return 0;

  4555.     }

  4556. 

  4557.     void handleUIWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer)

  4558.     {

  4559.         CARLA_SAFE_ASSERT_RETURN(buffer != nullptr,);

  4560.         CARLA_SAFE_ASSERT_RETURN(bufferSize > 0,);

  4561.         carla_debug("CarlaPluginLV2::handleUIWrite(%i, %i, %i, %p)", rindex, bufferSize, format, buffer);

  4562. 

  4563.         uint32_t index = LV2UI_INVALID_PORT_INDEX;

  4564. 

  4565.         switch (format)

  4566.         {

  4567.         case CARLA_URI_MAP_ID_NULL: {

  4568.             CARLA_SAFE_ASSERT_RETURN(bufferSize == sizeof(float),);

  4569. 

  4570.             for (uint32_t i=0; i < pData->param.count; ++i)

  4571.             {

  4572.                 if (pData->param.data[i].rindex != static_cast<int32_t>(rindex))

  4573.                     continue;

  4574.                 index = i;

  4575.                 break;

  4576.             }

  4577. 

  4578.             CARLA_SAFE_ASSERT_RETURN(index != LV2UI_INVALID_PORT_INDEX,);

  4579. 

  4580.             const float value(*(const float*)buffer);

  4581. 

  4582.             //if (carla_isNotEqual(fParamBuffers[index], value))

  4583.             setParameterValue(index, value, false, true, true);

  4584. 

  4585.         } break;

  4586. 

  4587.         case CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM:

  4588.         case CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT: {

  4589.             CARLA_SAFE_ASSERT_RETURN(bufferSize >= sizeof(LV2_Atom),);

  4590. 

  4591.             const LV2_Atom* const atom((const LV2_Atom*)buffer);

  4592. 

  4593.             // plugins sometimes fail on this, not good...

  4594.             CARLA_SAFE_ASSERT_INT2(bufferSize == lv2_atom_total_size(atom), bufferSize, atom->size);

  4595. 

  4596.             for (uint32_t i=0; i < fEventsIn.count; ++i)

  4597.             {

  4598.                 if (fEventsIn.data[i].rindex != rindex)

  4599.                     continue;

  4600.                 index = i;

  4601.                 break;

  4602.             }

  4603. 

  4604.             // for bad plugins

  4605.             if (index == LV2UI_INVALID_PORT_INDEX)

  4606.             {

  4607.                 CARLA_SAFE_ASSERT(index != LV2UI_INVALID_PORT_INDEX); // FIXME

  4608.                 index = fEventsIn.ctrlIndex;

  4609.             }

  4610. 

  4611.             fAtomBufferIn.put(atom, index);

  4612.         } break;

  4613. 

  4614.         default:

  4615.             carla_stdout("CarlaPluginLV2::handleUIWrite(%i, %i, %i:\"%s\", %p) - unknown format", rindex, bufferSize, format, carla_lv2_urid_unmap(this, format), buffer);

  4616.             break;

  4617.         }

  4618.     }

  4619. 

  4620.     // -------------------------------------------------------------------

  4621. 

  4622.     void handleLilvSetPortValue(const char* const portSymbol, const void* const value, const uint32_t size, const uint32_t type)

  4623.     {

  4624.         CARLA_SAFE_ASSERT_RETURN(portSymbol != nullptr && portSymbol[0] != '\0',);

  4625.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  4626.         CARLA_SAFE_ASSERT_RETURN(size > 0,);

  4627.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL,);

  4628.         carla_debug("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i)", portSymbol, value, size, type);

  4629. 

  4630.         int32_t rindex = -1;

  4631. 

  4632.         for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i)

  4633.         {

  4634.             if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, portSymbol) == 0)

  4635.             {

  4636.                 rindex = static_cast<int32_t>(i);

  4637.                 break;

  4638.             }

  4639.         }

  4640. 

  4641.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,);

  4642. 

  4643.         float paramValue;

  4644. 

  4645.         switch (type)

  4646.         {

  4647.         case CARLA_URI_MAP_ID_ATOM_BOOL:

  4648.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(bool),);

  4649.             paramValue = (*(const bool*)value) ? 1.0f : 0.0f;

  4650.             break;

  4651.         case CARLA_URI_MAP_ID_ATOM_DOUBLE:

  4652.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(double),);

  4653.             paramValue = static_cast<float>((*(const double*)value));

  4654.             break;

  4655.         case CARLA_URI_MAP_ID_ATOM_FLOAT:

  4656.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(float),);

  4657.             paramValue = (*(const float*)value);

  4658.             break;

  4659.         case CARLA_URI_MAP_ID_ATOM_INT:

  4660.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(int32_t),);

  4661.             paramValue = static_cast<float>((*(const int32_t*)value));

  4662.             break;

  4663.         case CARLA_URI_MAP_ID_ATOM_LONG:

  4664.             CARLA_SAFE_ASSERT_RETURN(size == sizeof(int64_t),);

  4665.             paramValue = static_cast<float>((*(const int64_t*)value));

  4666.             break;

  4667.         default:

  4668.             carla_stdout("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i:\"%s\") - unknown type", portSymbol, value, size, type, carla_lv2_urid_unmap(this, type));

  4669.             return;

  4670.         }

  4671. 

  4672.         for (uint32_t i=0; i < pData->param.count; ++i)

  4673.         {

  4674.             if (pData->param.data[i].rindex == rindex)

  4675.             {

  4676.                 setParameterValue(i, paramValue, true, true, true);

  4677.                 break;

  4678.             }

  4679.         }

  4680.     }

  4681. 

  4682.     // -------------------------------------------------------------------

  4683. 

  4684.     void* getNativeHandle() const noexcept override

  4685.     {

  4686.         return fHandle;

  4687.     }

  4688. 

  4689.     const void* getNativeDescriptor() const noexcept override

  4690.     {

  4691.         return fDescriptor;

  4692.     }

  4693. 

  4694.     uintptr_t getUiBridgeProcessId() const noexcept override

  4695.     {

  4696.         return fPipeServer.isPipeRunning() ? fPipeServer.getPID() : 0;

  4697.     }

  4698. 

  4699.     // -------------------------------------------------------------------

  4700. 

  4701. public:

  4702.     bool init(const char* const name, const char* const uri, const uint options)

  4703.     {

  4704.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  4705. 

  4706.         // ---------------------------------------------------------------

  4707.         // first checks

  4708. 

  4709.         if (pData->client != nullptr)

  4710.         {

  4711.             pData->engine->setLastError("Plugin client is already registered");

  4712.             return false;

  4713.         }

  4714. 

  4715.         if (uri == nullptr || uri[0] == '\0')

  4716.         {

  4717.             pData->engine->setLastError("null uri");

  4718.             return false;

  4719.         }

  4720. 

  4721.         // ---------------------------------------------------------------

  4722.         // Init LV2 World if needed, sets LV2_PATH for lilv

  4723. 

  4724.         Lv2WorldClass& lv2World(Lv2WorldClass::getInstance());

  4725. 

  4726.         if (pData->engine->getOptions().pathLV2 != nullptr && pData->engine->getOptions().pathLV2[0] != '\0')

  4727.             lv2World.initIfNeeded(pData->engine->getOptions().pathLV2);

  4728.         else if (const char* const LV2_PATH = std::getenv("LV2_PATH"))

  4729.             lv2World.initIfNeeded(LV2_PATH);

  4730.         else

  4731.             lv2World.initIfNeeded(LILV_DEFAULT_LV2_PATH);

  4732. 

  4733.         // ---------------------------------------------------------------

  4734.         // get plugin from lv2_rdf (lilv)

  4735. 

  4736.         fRdfDescriptor = lv2_rdf_new(uri, true);

  4737. 

  4738.         if (fRdfDescriptor == nullptr)

  4739.         {

  4740.             pData->engine->setLastError("Failed to find the requested plugin");

  4741.             return false;

  4742.         }

  4743. 

  4744.         // ---------------------------------------------------------------

  4745.         // open DLL

  4746. 

  4747.         if (! pData->libOpen(fRdfDescriptor->Binary))

  4748.         {

  4749.             pData->engine->setLastError(pData->libError(fRdfDescriptor->Binary));

  4750.             return false;

  4751.         }

  4752. 

  4753.         // ---------------------------------------------------------------

  4754.         // try to get DLL main entry via new mode

  4755. 

  4756.         if (const LV2_Lib_Descriptor_Function libDescFn = pData->libSymbol<LV2_Lib_Descriptor_Function>("lv2_lib_descriptor"))

  4757.         {

  4758.             // -----------------------------------------------------------

  4759.             // all ok, get lib descriptor

  4760. 

  4761.             const LV2_Lib_Descriptor* const libDesc = libDescFn(fRdfDescriptor->Bundle, nullptr);

  4762. 

  4763.             if (libDesc == nullptr)

  4764.             {

  4765.                 pData->engine->setLastError("Could not find the LV2 Descriptor");

  4766.                 return false;

  4767.             }

  4768. 

  4769.             // -----------------------------------------------------------

  4770.             // get descriptor that matches URI (new mode)

  4771. 

  4772.             uint32_t i = 0;

  4773.             while ((fDescriptor = libDesc->get_plugin(libDesc->handle, i++)))

  4774.             {

  4775.                 if (std::strcmp(fDescriptor->URI, uri) == 0)

  4776.                     break;

  4777.             }

  4778.         }

  4779.         else

  4780.         {

  4781.             // -----------------------------------------------------------

  4782.             // get DLL main entry (old mode)

  4783. 

  4784.             const LV2_Descriptor_Function descFn = pData->libSymbol<LV2_Descriptor_Function>("lv2_descriptor");

  4785. 

  4786.             if (descFn == nullptr)

  4787.             {

  4788.                 pData->engine->setLastError("Could not find the LV2 Descriptor in the plugin library");

  4789.                 return false;

  4790.             }

  4791. 

  4792.             // -----------------------------------------------------------

  4793.             // get descriptor that matches URI (old mode)

  4794. 

  4795.             uint32_t i = 0;

  4796.             while ((fDescriptor = descFn(i++)))

  4797.             {

  4798.                 if (std::strcmp(fDescriptor->URI, uri) == 0)

  4799.                     break;

  4800.             }

  4801.         }

  4802. 

  4803.         if (fDescriptor == nullptr)

  4804.         {

  4805.             pData->engine->setLastError("Could not find the requested plugin URI in the plugin library");

  4806.             return false;

  4807.         }

  4808. 

  4809.         // ---------------------------------------------------------------

  4810.         // check supported port-types and features

  4811. 

  4812.         bool canContinue = true;

  4813. 

  4814.         // Check supported ports

  4815.         for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j)

  4816.         {

  4817.             const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types);

  4818. 

  4819.             if (! is_lv2_port_supported(portTypes))

  4820.             {

  4821.                 if (! LV2_IS_PORT_OPTIONAL(fRdfDescriptor->Ports[j].Properties))

  4822.                 {

  4823.                     pData->engine->setLastError("Plugin requires a port type that is not currently supported");

  4824.                     canContinue = false;

  4825.                     break;

  4826.                 }

  4827.             }

  4828.         }

  4829. 

  4830.         // Check supported features

  4831.         for (uint32_t j=0; j < fRdfDescriptor->FeatureCount && canContinue; ++j)

  4832.         {

  4833.             const LV2_RDF_Feature& feature(fRdfDescriptor->Features[j]);

  4834. 

  4835.             if (std::strcmp(feature.URI, LV2_DATA_ACCESS_URI) == 0 || std::strcmp(feature.URI, LV2_INSTANCE_ACCESS_URI) == 0)

  4836.             {

  4837.                 carla_stderr("Plugin DSP wants UI feature '%s', ignoring this", feature.URI);

  4838.             }

  4839.             else if (feature.Required && ! is_lv2_feature_supported(feature.URI))

  4840.             {

  4841.                 CarlaString msg("Plugin wants a feature that is not supported:\n");

  4842.                 msg += feature.URI;

  4843. 

  4844.                 canContinue = false;

  4845.                 pData->engine->setLastError(msg);

  4846.                 break;

  4847.             }

  4848.         }

  4849. 

  4850.         if (! canContinue)

  4851.         {

  4852.             // error already set

  4853.             return false;

  4854.         }

  4855. 

  4856.         // ---------------------------------------------------------------

  4857.         // get info

  4858. 

  4859.         if (name != nullptr && name[0] != '\0')

  4860.             pData->name = pData->engine->getUniquePluginName(name);

  4861.         else

  4862.             pData->name = pData->engine->getUniquePluginName(fRdfDescriptor->Name);

  4863. 

  4864.         // ---------------------------------------------------------------

  4865.         // register client

  4866. 

  4867.         pData->client = pData->engine->addClient(this);

  4868. 

  4869.         if (pData->client == nullptr || ! pData->client->isOk())

  4870.         {

  4871.             pData->engine->setLastError("Failed to register plugin client");

  4872.             return false;

  4873.         }

  4874. 

  4875.         // ---------------------------------------------------------------

  4876.         // initialize options

  4877. 

  4878.         fLv2Options.minBufferSize     = 1;

  4879.         fLv2Options.maxBufferSize     = static_cast<int>(pData->engine->getBufferSize());

  4880.         fLv2Options.nominalBufferSize = fLv2Options.maxBufferSize;

  4881.         fLv2Options.sampleRate        = pData->engine->getSampleRate();

  4882.         fLv2Options.frontendWinId     = static_cast<int64_t>(pData->engine->getOptions().frontendWinId);

  4883. 

  4884.         uint32_t eventBufferSize = MAX_DEFAULT_BUFFER_SIZE;

  4885. 

  4886.         for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j)

  4887.         {

  4888.             const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types);

  4889. 

  4890.             if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes) || LV2_IS_PORT_EVENT(portTypes) || LV2_IS_PORT_MIDI_LL(portTypes))

  4891.             {

  4892.                 if (fRdfDescriptor->Ports[j].MinimumSize > eventBufferSize)

  4893.                     eventBufferSize = fRdfDescriptor->Ports[j].MinimumSize;

  4894.             }

  4895.         }

  4896. 

  4897.         fLv2Options.sequenceSize = static_cast<int>(eventBufferSize);

  4898. 

  4899.         // ---------------------------------------------------------------

  4900.         // initialize features (part 1)

  4901. 

  4902.         LV2_Event_Feature* const eventFt = new LV2_Event_Feature;

  4903.         eventFt->callback_data           = this;

  4904.         eventFt->lv2_event_ref           = carla_lv2_event_ref;

  4905.         eventFt->lv2_event_unref         = carla_lv2_event_unref;

  4906. 

  4907.         LV2_Log_Log* const logFt         = new LV2_Log_Log;

  4908.         logFt->handle                    = this;

  4909.         logFt->printf                    = carla_lv2_log_printf;

  4910.         logFt->vprintf                   = carla_lv2_log_vprintf;

  4911. 

  4912.         LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path;

  4913.         stateMakePathFt->handle                    = this;

  4914.         stateMakePathFt->path                      = carla_lv2_state_make_path;

  4915. 

  4916.         LV2_State_Map_Path* const stateMapPathFt   = new LV2_State_Map_Path;

  4917.         stateMapPathFt->handle                     = this;

  4918.         stateMapPathFt->abstract_path              = carla_lv2_state_map_abstract_path;

  4919.         stateMapPathFt->absolute_path              = carla_lv2_state_map_absolute_path;

  4920. 

  4921.         LV2_Programs_Host* const programsFt   = new LV2_Programs_Host;

  4922.         programsFt->handle                    = this;

  4923.         programsFt->program_changed           = carla_lv2_program_changed;

  4924. 

  4925.         LV2_Resize_Port_Resize* const rsPortFt = new LV2_Resize_Port_Resize;

  4926.         rsPortFt->data                         = this;

  4927.         rsPortFt->resize                       = carla_lv2_resize_port;

  4928. 

  4929.         LV2_RtMemPool_Pool* const rtMemPoolFt = new LV2_RtMemPool_Pool;

  4930.         lv2_rtmempool_init(rtMemPoolFt);

  4931. 

  4932.         LV2_RtMemPool_Pool_Deprecated* const rtMemPoolOldFt = new LV2_RtMemPool_Pool_Deprecated;

  4933.         lv2_rtmempool_init_deprecated(rtMemPoolOldFt);

  4934. 

  4935.         LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature;

  4936.         uriMapFt->callback_data             = this;

  4937.         uriMapFt->uri_to_id                 = carla_lv2_uri_to_id;

  4938. 

  4939.         LV2_URID_Map* const uridMapFt       = new LV2_URID_Map;

  4940.         uridMapFt->handle                   = this;

  4941.         uridMapFt->map                      = carla_lv2_urid_map;

  4942. 

  4943.         LV2_URID_Unmap* const uridUnmapFt   = new LV2_URID_Unmap;

  4944.         uridUnmapFt->handle                 = this;

  4945.         uridUnmapFt->unmap                  = carla_lv2_urid_unmap;

  4946. 

  4947.         LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule;

  4948.         workerFt->handle                    = this;

  4949.         workerFt->schedule_work             = carla_lv2_worker_schedule;

  4950. 

  4951.         // ---------------------------------------------------------------

  4952.         // initialize features (part 2)

  4953. 

  4954.         for (uint32_t j=0; j < kFeatureCountPlugin; ++j)

  4955.             fFeatures[j] = new LV2_Feature;

  4956. 

  4957.         fFeatures[kFeatureIdBufSizeBounded]->URI   = LV2_BUF_SIZE__boundedBlockLength;

  4958.         fFeatures[kFeatureIdBufSizeBounded]->data  = nullptr;

  4959. 

  4960.         fFeatures[kFeatureIdBufSizeFixed]->URI     = LV2_BUF_SIZE__fixedBlockLength;

  4961.         fFeatures[kFeatureIdBufSizeFixed]->data    = nullptr;

  4962. 

  4963.         fFeatures[kFeatureIdBufSizePowerOf2]->URI  = LV2_BUF_SIZE__powerOf2BlockLength;

  4964.         fFeatures[kFeatureIdBufSizePowerOf2]->data = nullptr;

  4965. 

  4966.         fFeatures[kFeatureIdEvent]->URI          = LV2_EVENT_URI;

  4967.         fFeatures[kFeatureIdEvent]->data         = eventFt;

  4968. 

  4969.         fFeatures[kFeatureIdHardRtCapable]->URI  = LV2_CORE__hardRTCapable;

  4970.         fFeatures[kFeatureIdHardRtCapable]->data = nullptr;

  4971. 

  4972.         fFeatures[kFeatureIdInPlaceBroken]->URI  = LV2_CORE__inPlaceBroken;

  4973.         fFeatures[kFeatureIdInPlaceBroken]->data = nullptr;

  4974. 

  4975.         fFeatures[kFeatureIdIsLive]->URI         = LV2_CORE__isLive;

  4976.         fFeatures[kFeatureIdIsLive]->data        = nullptr;

  4977. 

  4978.         fFeatures[kFeatureIdLogs]->URI       = LV2_LOG__log;

  4979.         fFeatures[kFeatureIdLogs]->data      = logFt;

  4980. 

  4981.         fFeatures[kFeatureIdOptions]->URI    = LV2_OPTIONS__options;

  4982.         fFeatures[kFeatureIdOptions]->data   = fLv2Options.opts;

  4983. 

  4984.         fFeatures[kFeatureIdPrograms]->URI   = LV2_PROGRAMS__Host;

  4985.         fFeatures[kFeatureIdPrograms]->data  = programsFt;

  4986. 

  4987.         fFeatures[kFeatureIdResizePort]->URI   = LV2_RESIZE_PORT__resize;

  4988.         fFeatures[kFeatureIdResizePort]->data  = rsPortFt;

  4989. 

  4990.         fFeatures[kFeatureIdRtMemPool]->URI  = LV2_RTSAFE_MEMORY_POOL__Pool;

  4991.         fFeatures[kFeatureIdRtMemPool]->data = rtMemPoolFt;

  4992. 

  4993.         fFeatures[kFeatureIdRtMemPoolOld]->URI  = LV2_RTSAFE_MEMORY_POOL_DEPRECATED_URI;

  4994.         fFeatures[kFeatureIdRtMemPoolOld]->data = rtMemPoolOldFt;

  4995. 

  4996.         fFeatures[kFeatureIdStateMakePath]->URI  = LV2_STATE__makePath;

  4997.         fFeatures[kFeatureIdStateMakePath]->data = stateMakePathFt;

  4998. 

  4999.         fFeatures[kFeatureIdStateMapPath]->URI   = LV2_STATE__mapPath;

  5000.         fFeatures[kFeatureIdStateMapPath]->data  = stateMapPathFt;

  5001. 

  5002.         fFeatures[kFeatureIdStrictBounds]->URI   = LV2_PORT_PROPS__supportsStrictBounds;

  5003.         fFeatures[kFeatureIdStrictBounds]->data  = nullptr;

  5004. 

  5005.         fFeatures[kFeatureIdUriMap]->URI     = LV2_URI_MAP_URI;

  5006.         fFeatures[kFeatureIdUriMap]->data    = uriMapFt;

  5007. 

  5008.         fFeatures[kFeatureIdUridMap]->URI    = LV2_URID__map;

  5009.         fFeatures[kFeatureIdUridMap]->data   = uridMapFt;

  5010. 

  5011.         fFeatures[kFeatureIdUridUnmap]->URI  = LV2_URID__unmap;

  5012.         fFeatures[kFeatureIdUridUnmap]->data = uridUnmapFt;

  5013. 

  5014.         fFeatures[kFeatureIdWorker]->URI     = LV2_WORKER__schedule;

  5015.         fFeatures[kFeatureIdWorker]->data    = workerFt;

  5016. 

  5017.         // if a fixed buffer is not needed, skip its feature

  5018.         if (! needsFixedBuffer())

  5019.             fFeatures[kFeatureIdBufSizeFixed]->URI = LV2_BUF_SIZE__boundedBlockLength;

  5020.         else

  5021.             fLv2Options.minBufferSize = fLv2Options.maxBufferSize;

  5022. 

  5023.         // if power of 2 is not possible, skip its feature FIXME

  5024.         //if (fLv2Options.maxBufferSize)

  5025.         //    fFeatures[kFeatureIdBufSizePowerOf2]->URI = LV2_BUF_SIZE__boundedBlockLength;

  5026. 

  5027.         // ---------------------------------------------------------------

  5028.         // initialize plugin

  5029. 

  5030.         try {

  5031.             fHandle = fDescriptor->instantiate(fDescriptor, pData->engine->getSampleRate(), fRdfDescriptor->Bundle, fFeatures);

  5032.         } catch(...) {}

  5033. 

  5034.         if (fHandle == nullptr)

  5035.         {

  5036.             pData->engine->setLastError("Plugin failed to initialize");

  5037.             return false;

  5038.         }

  5039. 

  5040.         if (std::strcmp(uri, "http://hyperglitch.com/dev/VocProc") == 0)

  5041.             fCanInit2 = false;

  5042. 

  5043.         recheckExtensions();

  5044. 

  5045.         // ---------------------------------------------------------------

  5046.         // set default options

  5047. 

  5048.         pData->options = 0x0;

  5049. 

  5050.         if (fExt.programs != nullptr && getCategory() == PLUGIN_CATEGORY_SYNTH)

  5051.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  5052. 

  5053.         if (fLatencyIndex >= 0 || getMidiInCount() > 0 || needsFixedBuffer())

  5054.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  5055.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  5056.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  5057. 

  5058.         if (fCanInit2)

  5059.         {

  5060.             if (pData->engine->getOptions().forceStereo)

  5061.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  5062.             else if (options & PLUGIN_OPTION_FORCE_STEREO)

  5063.                 pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  5064.         }

  5065. 

  5066.         if (getMidiInCount() > 0)

  5067.         {

  5068.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  5069.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  5070.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  5071.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  5072.         }

  5073. 

  5074.         // ---------------------------------------------------------------

  5075.         // gui stuff

  5076. 

  5077.         if (fRdfDescriptor->UICount != 0)

  5078.             initUi();

  5079. 

  5080.         return true;

  5081.     }

  5082. 

  5083.     // -------------------------------------------------------------------

  5084. 

  5085.     void initUi()

  5086.     {

  5087.         // ---------------------------------------------------------------

  5088.         // find the most appropriate ui

  5089. 

  5090.         int eQt4, eQt5, eGtk2, eGtk3, eCocoa, eWindows, eX11, eExt, eMod, iCocoa, iWindows, iX11, iExt, iFinal;

  5091.         eQt4 = eQt5 = eGtk2 = eGtk3 = eCocoa = eWindows = eX11 = eExt = eMod = iCocoa = iWindows = iX11 = iExt = iFinal = -1;

  5092. 

  5093. #if defined(BUILD_BRIDGE)

  5094.         const bool preferUiBridges(false);

  5095. #elif defined(LV2_UIS_ONLY_BRIDGES)

  5096.         const bool preferUiBridges(true);

  5097. #else

  5098.         const bool preferUiBridges(pData->engine->getOptions().preferUiBridges && (pData->hints & PLUGIN_IS_BRIDGE) == 0);

  5099. #endif

  5100. 

  5101.         for (uint32_t i=0; i < fRdfDescriptor->UICount; ++i)

  5102.         {

  5103.             CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->UIs[i].URI != nullptr);

  5104. 

  5105.             const int ii(static_cast<int>(i));

  5106. 

  5107.             switch (fRdfDescriptor->UIs[i].Type)

  5108.             {

  5109.             case LV2_UI_QT4:

  5110.                 if (isUiBridgeable(i))

  5111.                     eQt4 = ii;

  5112.                 break;

  5113.             case LV2_UI_QT5:

  5114.                 if (isUiBridgeable(i))

  5115.                     eQt5 = ii;

  5116.                 break;

  5117.             case LV2_UI_GTK2:

  5118.                 if (isUiBridgeable(i))

  5119.                     eGtk2 = ii;

  5120.                 break;

  5121.             case LV2_UI_GTK3:

  5122.                 if (isUiBridgeable(i))

  5123.                     eGtk3 = ii;

  5124.                 break;

  5125.             case LV2_UI_COCOA:

  5126.                 if (isUiBridgeable(i) && preferUiBridges)

  5127.                     eCocoa = ii;

  5128.                 iCocoa = ii;

  5129.                 break;

  5130.             case LV2_UI_WINDOWS:

  5131.                 if (isUiBridgeable(i) && preferUiBridges)

  5132.                     eWindows = ii;

  5133.                 iWindows = ii;

  5134.                 break;

  5135.             case LV2_UI_X11:

  5136.                 if (isUiBridgeable(i) && preferUiBridges)

  5137.                     eX11 = ii;

  5138.                 iX11 = ii;

  5139.                 break;

  5140.             case LV2_UI_EXTERNAL:

  5141.             case LV2_UI_OLD_EXTERNAL:

  5142.                 if (isUiBridgeable(i))

  5143.                     eExt = ii;

  5144.                 iExt = ii;

  5145.                 break;

  5146.             case LV2_UI_MOD:

  5147.                 eMod = ii;

  5148.                 break;

  5149.             default:

  5150.                 break;

  5151.             }

  5152.         }

  5153. 

  5154.         if (eQt4 >= 0)

  5155.             iFinal = eQt4;

  5156.         else if (eQt5 >= 0)

  5157.             iFinal = eQt5;

  5158.         else if (eGtk2 >= 0)

  5159.             iFinal = eGtk2;

  5160.         else if (eGtk3 >= 0)

  5161.             iFinal = eGtk3;

  5162. #ifdef CARLA_OS_MAC

  5163.         else if (eCocoa >= 0)

  5164.             iFinal = eCocoa;

  5165. #endif

  5166. #ifdef CARLA_OS_WIN

  5167.         else if (eWindows >= 0)

  5168.             iFinal = eWindows;

  5169. #endif

  5170. #ifdef HAVE_X11

  5171.         else if (eX11 >= 0)

  5172.             iFinal = eX11;

  5173. #endif

  5174.         //else if (eExt >= 0) // TODO

  5175.         //    iFinal = eExt;

  5176. #ifndef LV2_UIS_ONLY_BRIDGES

  5177. # ifdef CARLA_OS_MAC

  5178.         else if (iCocoa >= 0)

  5179.             iFinal = iCocoa;

  5180. # endif

  5181. # ifdef CARLA_OS_WIN

  5182.         else if (iWindows >= 0)

  5183.             iFinal = iWindows;

  5184. # endif

  5185. # ifdef HAVE_X11

  5186.         else if (iX11 >= 0)

  5187.             iFinal = iX11;

  5188. # endif

  5189. #endif

  5190.         else if (iExt >= 0)

  5191.             iFinal = iExt;

  5192. 

  5193.         if (iFinal < 0)

  5194.         {

  5195.             // no suitable UI found, see if there's one which supports ui:showInterface

  5196.             bool hasShowInterface = false;

  5197. 

  5198.             for (uint32_t i=0; i < fRdfDescriptor->UICount && ! hasShowInterface; ++i)

  5199.             {

  5200.                 LV2_RDF_UI* const ui(&fRdfDescriptor->UIs[i]);

  5201. 

  5202.                 for (uint32_t j=0; j < ui->ExtensionCount; ++j)

  5203.                 {

  5204.                     CARLA_SAFE_ASSERT_CONTINUE(ui->Extensions[j] != nullptr);

  5205. 

  5206.                     if (std::strcmp(ui->Extensions[j], LV2_UI__showInterface) != 0)

  5207.                         continue;

  5208. 

  5209.                     iFinal = static_cast<int>(i);

  5210.                     hasShowInterface = true;

  5211.                     break;

  5212.                 }

  5213.             }

  5214. 

  5215.             if (! hasShowInterface)

  5216.             {

  5217.                 if (eMod < 0)

  5218.                 {

  5219.                     carla_stderr("Failed to find an appropriate LV2 UI for this plugin");

  5220.                     return;

  5221.                 }

  5222. 

  5223.                 // use MODGUI as last resort

  5224.                 iFinal = eMod;

  5225.             }

  5226.         }

  5227. 

  5228.         fUI.rdfDescriptor = &fRdfDescriptor->UIs[iFinal];

  5229. 

  5230.         // ---------------------------------------------------------------

  5231.         // check supported ui features

  5232. 

  5233.         bool canContinue = true;

  5234.         bool canDelete = true;

  5235. 

  5236.         for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i)

  5237.         {

  5238.             const char* const uri(fUI.rdfDescriptor->Features[i].URI);

  5239.             CARLA_SAFE_ASSERT_CONTINUE(uri != nullptr && uri[0] != '\0');

  5240. 

  5241.             if (! is_lv2_ui_feature_supported(uri))

  5242.             {

  5243.                 carla_stderr("Plugin UI requires a feature that is not supported:\n%s", uri);

  5244. 

  5245.                 if (fUI.rdfDescriptor->Features[i].Required)

  5246.                 {

  5247.                     canContinue = false;

  5248.                     break;

  5249.                 }

  5250.             }

  5251.             if (std::strcmp(uri, LV2_UI__makeResident) == 0 || std::strcmp(uri, LV2_UI__makeSONameResident) == 0)

  5252.                 canDelete = false;

  5253.         }

  5254. 

  5255.         if (! canContinue)

  5256.         {

  5257.             fUI.rdfDescriptor = nullptr;

  5258.             return;

  5259.         }

  5260. 

  5261.         // ---------------------------------------------------------------

  5262.         // initialize ui according to type

  5263. 

  5264.         const LV2_Property uiType(fUI.rdfDescriptor->Type);

  5265. 

  5266.         if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3 ||

  5267.             iFinal == eCocoa || iFinal == eWindows || iFinal == eX11 || iFinal == eExt || iFinal == eMod)

  5268.         {

  5269.             // -----------------------------------------------------------

  5270.             // initialize ui-bridge

  5271. 

  5272.             if (const char* const bridgeBinary = getUiBridgeBinary(uiType))

  5273.             {

  5274.                 carla_stdout("Will use UI-Bridge, binary: \"%s\"", bridgeBinary);

  5275. 

  5276.                 CarlaString guiTitle(pData->name);

  5277.                 guiTitle += " (GUI)";

  5278.                 fLv2Options.windowTitle = guiTitle.dup();

  5279. 

  5280.                 fUI.type = UI::TYPE_BRIDGE;

  5281.                 fPipeServer.setData(bridgeBinary, fRdfDescriptor->URI, fUI.rdfDescriptor->URI);

  5282. 

  5283.                 delete[] bridgeBinary;

  5284.                 return;

  5285.             }

  5286. 

  5287.             if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3)

  5288.             {

  5289.                 carla_stderr2("Failed to find UI bridge binary, cannot use UI");

  5290.                 fUI.rdfDescriptor = nullptr;

  5291.                 return;

  5292.             }

  5293.         }

  5294. 

  5295. #ifdef LV2_UIS_ONLY_BRIDGES

  5296.         carla_stderr2("Failed to get an UI working, canBridge:%s", bool2str(isUiBridgeable(static_cast<uint32_t>(iFinal))));

  5297.         fUI.rdfDescriptor = nullptr;

  5298.         return;

  5299. #endif

  5300. 

  5301.         // ---------------------------------------------------------------

  5302.         // open UI DLL

  5303. 

  5304.         if (! pData->uiLibOpen(fUI.rdfDescriptor->Binary, canDelete))

  5305.         {

  5306.             carla_stderr2("Could not load UI library, error was:\n%s", pData->libError(fUI.rdfDescriptor->Binary));

  5307.             fUI.rdfDescriptor = nullptr;

  5308.             return;

  5309.         }

  5310. 

  5311.         // ---------------------------------------------------------------

  5312.         // get UI DLL main entry

  5313. 

  5314.         LV2UI_DescriptorFunction uiDescFn = pData->uiLibSymbol<LV2UI_DescriptorFunction>("lv2ui_descriptor");

  5315. 

  5316.         if (uiDescFn == nullptr)

  5317.         {

  5318.             carla_stderr2("Could not find the LV2UI Descriptor in the UI library");

  5319.             pData->uiLibClose();

  5320.             fUI.rdfDescriptor = nullptr;

  5321.             return;

  5322.         }

  5323. 

  5324.         // ---------------------------------------------------------------

  5325.         // get UI descriptor that matches UI URI

  5326. 

  5327.         uint32_t i = 0;

  5328.         while ((fUI.descriptor = uiDescFn(i++)))

  5329.         {

  5330.             if (std::strcmp(fUI.descriptor->URI, fUI.rdfDescriptor->URI) == 0)

  5331.                 break;

  5332.         }

  5333. 

  5334.         if (fUI.descriptor == nullptr)

  5335.         {

  5336.             carla_stderr2("Could not find the requested GUI in the plugin UI library");

  5337.             pData->uiLibClose();

  5338.             fUI.rdfDescriptor = nullptr;

  5339.             return;

  5340.         }

  5341. 

  5342.         // ---------------------------------------------------------------

  5343.         // check if ui is usable

  5344. 

  5345.         switch (uiType)

  5346.         {

  5347.         case LV2_UI_QT4:

  5348.             carla_stdout("Will use LV2 Qt4 UI, NOT!");

  5349.             fUI.type = UI::TYPE_EMBED;

  5350.             break;

  5351.         case LV2_UI_QT5:

  5352.             carla_stdout("Will use LV2 Qt5 UI, NOT!");

  5353.             fUI.type = UI::TYPE_EMBED;

  5354.             break;

  5355.         case LV2_UI_GTK2:

  5356.             carla_stdout("Will use LV2 Gtk2 UI, NOT!");

  5357.             fUI.type = UI::TYPE_EMBED;

  5358.             break;

  5359.         case LV2_UI_GTK3:

  5360.             carla_stdout("Will use LV2 Gtk3 UI, NOT!");

  5361.             fUI.type = UI::TYPE_EMBED;

  5362.             break;

  5363. #ifdef CARLA_OS_MAC

  5364.         case LV2_UI_COCOA:

  5365.             carla_stdout("Will use LV2 Cocoa UI");

  5366.             fUI.type = UI::TYPE_EMBED;

  5367.             break;

  5368. #endif

  5369. #ifdef CARLA_OS_WIN

  5370.         case LV2_UI_WINDOWS:

  5371.             carla_stdout("Will use LV2 Windows UI");

  5372.             fUI.type = UI::TYPE_EMBED;

  5373.             break;

  5374. #endif

  5375.         case LV2_UI_X11:

  5376. #ifdef HAVE_X11

  5377.             carla_stdout("Will use LV2 X11 UI");

  5378. #else

  5379.             carla_stdout("Will use LV2 X11 UI, NOT!");

  5380. #endif

  5381.             fUI.type = UI::TYPE_EMBED;

  5382.             break;

  5383.         case LV2_UI_EXTERNAL:

  5384.         case LV2_UI_OLD_EXTERNAL:

  5385.             carla_stdout("Will use LV2 External UI");

  5386.             fUI.type = UI::TYPE_EXTERNAL;

  5387.             break;

  5388.         }

  5389. 

  5390.         if (fUI.type == UI::TYPE_NULL)

  5391.         {

  5392.             pData->uiLibClose();

  5393.             fUI.descriptor = nullptr;

  5394.             fUI.rdfDescriptor = nullptr;

  5395.             return;

  5396.         }

  5397. 

  5398.         // ---------------------------------------------------------------

  5399.         // initialize ui data

  5400. 

  5401.         CarlaString guiTitle(pData->name);

  5402.         guiTitle += " (GUI)";

  5403.         fLv2Options.windowTitle = guiTitle.dup();

  5404. 

  5405.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size  = (uint32_t)std::strlen(fLv2Options.windowTitle);

  5406.         fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle;

  5407. 

  5408.         // ---------------------------------------------------------------

  5409.         // initialize ui features (part 1)

  5410. 

  5411.         LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature;

  5412.         uiDataFt->data_access                      = fDescriptor->extension_data;

  5413. 

  5414.         LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map;

  5415.         uiPortMapFt->handle               = this;

  5416.         uiPortMapFt->port_index           = carla_lv2_ui_port_map;

  5417. 

  5418.         LV2UI_Resize* const uiResizeFt    = new LV2UI_Resize;

  5419.         uiResizeFt->handle                = this;

  5420.         uiResizeFt->ui_resize             = carla_lv2_ui_resize;

  5421. 

  5422.         LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host;

  5423.         uiExternalHostFt->ui_closed                  = carla_lv2_external_ui_closed;

  5424.         uiExternalHostFt->plugin_human_id            = fLv2Options.windowTitle;

  5425. 

  5426.         // ---------------------------------------------------------------

  5427.         // initialize ui features (part 2)

  5428. 

  5429.         for (uint32_t j=kFeatureCountPlugin; j < kFeatureCountAll; ++j)

  5430.             fFeatures[j] = new LV2_Feature;

  5431. 

  5432.         fFeatures[kFeatureIdUiDataAccess]->URI      = LV2_DATA_ACCESS_URI;

  5433.         fFeatures[kFeatureIdUiDataAccess]->data     = uiDataFt;

  5434. 

  5435.         fFeatures[kFeatureIdUiInstanceAccess]->URI  = LV2_INSTANCE_ACCESS_URI;

  5436.         fFeatures[kFeatureIdUiInstanceAccess]->data = fHandle;

  5437. 

  5438.         fFeatures[kFeatureIdUiIdleInterface]->URI  = LV2_UI__idleInterface;

  5439.         fFeatures[kFeatureIdUiIdleInterface]->data = nullptr;

  5440. 

  5441.         fFeatures[kFeatureIdUiFixedSize]->URI      = LV2_UI__fixedSize;

  5442.         fFeatures[kFeatureIdUiFixedSize]->data     = nullptr;

  5443. 

  5444.         fFeatures[kFeatureIdUiMakeResident]->URI   = LV2_UI__makeResident;

  5445.         fFeatures[kFeatureIdUiMakeResident]->data  = nullptr;

  5446. 

  5447.         fFeatures[kFeatureIdUiMakeResident2]->URI  = LV2_UI__makeSONameResident;

  5448.         fFeatures[kFeatureIdUiMakeResident2]->data = nullptr;

  5449. 

  5450.         fFeatures[kFeatureIdUiNoUserResize]->URI   = LV2_UI__noUserResize;

  5451.         fFeatures[kFeatureIdUiNoUserResize]->data  = nullptr;

  5452. 

  5453.         fFeatures[kFeatureIdUiParent]->URI         = LV2_UI__parent;

  5454.         fFeatures[kFeatureIdUiParent]->data        = nullptr;

  5455. 

  5456.         fFeatures[kFeatureIdUiPortMap]->URI        = LV2_UI__portMap;

  5457.         fFeatures[kFeatureIdUiPortMap]->data       = uiPortMapFt;

  5458. 

  5459.         fFeatures[kFeatureIdUiPortSubscribe]->URI  = LV2_UI__portSubscribe;

  5460.         fFeatures[kFeatureIdUiPortSubscribe]->data = nullptr;

  5461. 

  5462.         fFeatures[kFeatureIdUiResize]->URI       = LV2_UI__resize;

  5463.         fFeatures[kFeatureIdUiResize]->data      = uiResizeFt;

  5464. 

  5465.         fFeatures[kFeatureIdUiTouch]->URI        = LV2_UI__touch;

  5466.         fFeatures[kFeatureIdUiTouch]->data       = nullptr;

  5467. 

  5468.         fFeatures[kFeatureIdExternalUi]->URI     = LV2_EXTERNAL_UI__Host;

  5469.         fFeatures[kFeatureIdExternalUi]->data    = uiExternalHostFt;

  5470. 

  5471.         fFeatures[kFeatureIdExternalUiOld]->URI  = LV2_EXTERNAL_UI_DEPRECATED_URI;

  5472.         fFeatures[kFeatureIdExternalUiOld]->data = uiExternalHostFt;

  5473. 

  5474.         // ---------------------------------------------------------------

  5475.         // initialize ui extensions

  5476. 

  5477.         if (fUI.descriptor->extension_data == nullptr)

  5478.             return;

  5479. 

  5480.         fExt.uiidle     = (const LV2UI_Idle_Interface*)fUI.descriptor->extension_data(LV2_UI__idleInterface);

  5481.         fExt.uishow     = (const LV2UI_Show_Interface*)fUI.descriptor->extension_data(LV2_UI__showInterface);

  5482.         fExt.uiresize   = (const LV2UI_Resize*)fUI.descriptor->extension_data(LV2_UI__resize);

  5483.         fExt.uiprograms = (const LV2_Programs_UI_Interface*)fUI.descriptor->extension_data(LV2_PROGRAMS__UIInterface);

  5484. 

  5485.         // check if invalid

  5486.         if (fExt.uiidle != nullptr && fExt.uiidle->idle == nullptr)

  5487.             fExt.uiidle = nullptr;

  5488. 

  5489.         if (fExt.uishow != nullptr && (fExt.uishow->show == nullptr || fExt.uishow->hide == nullptr))

  5490.             fExt.uishow = nullptr;

  5491. 

  5492.         if (fExt.uiresize != nullptr && fExt.uiresize->ui_resize == nullptr)

  5493.             fExt.uiresize = nullptr;

  5494. 

  5495.         if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program == nullptr)

  5496.             fExt.uiprograms = nullptr;

  5497. 

  5498.         // don't use uiidle if external

  5499.         if (fUI.type == UI::TYPE_EXTERNAL)

  5500.             fExt.uiidle = nullptr;

  5501.     }

  5502. 

  5503.     // -------------------------------------------------------------------

  5504. 

  5505.     void handleTransferAtom(const uint32_t portIndex, const LV2_Atom* const atom)

  5506.     {

  5507.         CARLA_SAFE_ASSERT_RETURN(atom != nullptr,);

  5508.         carla_debug("CarlaPluginLV2::handleTransferAtom(%i, %p)", portIndex, atom);

  5509. 

  5510.         fAtomBufferIn.put(atom, portIndex);

  5511.     }

  5512. 

  5513.     void handleUridMap(const LV2_URID urid, const char* const uri)

  5514.     {

  5515.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL,);

  5516.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0',);

  5517.         carla_debug("CarlaPluginLV2::handleUridMap(%i v " P_SIZE ", \"%s\")", urid, fCustomURIDs.count()-1, uri);

  5518. 

  5519.         if (urid < fCustomURIDs.count())

  5520.         {

  5521.             const char* const ourURI(carla_lv2_urid_unmap(this, urid));

  5522.             CARLA_SAFE_ASSERT_RETURN(ourURI != nullptr,);

  5523. 

  5524.             if (std::strcmp(ourURI, uri) != 0)

  5525.             {

  5526.                 carla_stderr2("PLUGIN :: wrong URI '%s' vs '%s'", ourURI,  uri);

  5527.             }

  5528.         }

  5529.         else

  5530.         {

  5531.             CARLA_SAFE_ASSERT_RETURN(urid == fCustomURIDs.count(),);

  5532.             fCustomURIDs.append(carla_strdup(uri));

  5533.         }

  5534.     }

  5535. 

  5536.     // -------------------------------------------------------------------

  5537. 

  5538. private:

  5539.     LV2_Handle   fHandle;

  5540.     LV2_Handle   fHandle2;

  5541.     LV2_Feature* fFeatures[kFeatureCountAll+1];

  5542.     const LV2_Descriptor*     fDescriptor;

  5543.     const LV2_RDF_Descriptor* fRdfDescriptor;

  5544. 

  5545.     float** fAudioInBuffers;

  5546.     float** fAudioOutBuffers;

  5547.     float** fCvInBuffers;

  5548.     float** fCvOutBuffers;

  5549.     float*  fParamBuffers;

  5550. 

  5551.     bool    fCanInit2; // some plugins don't like 2 instances

  5552.     bool    fNeedsUiClose;

  5553.     //bool    fLatencyChanged;

  5554.     int32_t fLatencyIndex; // -1 if invalid

  5555. 

  5556.     Lv2AtomRingBuffer fAtomBufferIn;

  5557.     Lv2AtomRingBuffer fAtomBufferOut;

  5558.     LV2_Atom_Forge    fAtomForge;

  5559. 

  5560.     CarlaPluginLV2EventData fEventsIn;

  5561.     CarlaPluginLV2EventData fEventsOut;

  5562.     CarlaPluginLV2Options   fLv2Options;

  5563.     CarlaPipeServerLV2      fPipeServer;

  5564. 

  5565.     LinkedList<const char*> fCustomURIDs;

  5566. 

  5567.     bool fFirstActive; // first process() call after activate()

  5568.     void* fLastStateChunk;

  5569.     EngineTimeInfo fLastTimeInfo;

  5570. 

  5571.     struct Extensions {

  5572.         const LV2_Options_Interface* options;

  5573.         const LV2_State_Interface* state;

  5574.         const LV2_Worker_Interface* worker;

  5575.         const LV2_Programs_Interface* programs;

  5576.         const LV2UI_Idle_Interface* uiidle;

  5577.         const LV2UI_Show_Interface* uishow;

  5578.         const LV2UI_Resize* uiresize;

  5579.         const LV2_Programs_UI_Interface* uiprograms;

  5580. 

  5581.         Extensions()

  5582.             : options(nullptr),

  5583.               state(nullptr),

  5584.               worker(nullptr),

  5585.               programs(nullptr),

  5586.               uiidle(nullptr),

  5587.               uishow(nullptr),

  5588.               uiresize(nullptr),

  5589.               uiprograms(nullptr) {}

  5590. 

  5591.         CARLA_DECLARE_NON_COPY_STRUCT(Extensions);

  5592.     } fExt;

  5593. 

  5594.     struct UI {

  5595.         enum Type {

  5596.             TYPE_NULL = 0,

  5597.             TYPE_BRIDGE,

  5598.             TYPE_EMBED,

  5599.             TYPE_EXTERNAL

  5600.         };

  5601. 

  5602.         Type type;

  5603.         LV2UI_Handle handle;

  5604.         LV2UI_Widget widget;

  5605.         const LV2UI_Descriptor* descriptor;

  5606.         const LV2_RDF_UI*       rdfDescriptor;

  5607. 

  5608.         CarlaPluginUI* window;

  5609. 

  5610.         UI()

  5611.             : type(TYPE_NULL),

  5612.               handle(nullptr),

  5613.               widget(nullptr),

  5614.               descriptor(nullptr),

  5615.               rdfDescriptor(nullptr),

  5616.               window(nullptr) {}

  5617. 

  5618.         ~UI()

  5619.         {

  5620.             CARLA_ASSERT(handle == nullptr);

  5621.             CARLA_ASSERT(widget == nullptr);

  5622.             CARLA_ASSERT(descriptor == nullptr);

  5623.             CARLA_ASSERT(rdfDescriptor == nullptr);

  5624.             CARLA_ASSERT(window == nullptr);

  5625.         }

  5626. 

  5627.         CARLA_DECLARE_NON_COPY_STRUCT(UI);

  5628.     } fUI;

  5629. 

  5630.     // -------------------------------------------------------------------

  5631.     // Event Feature

  5632. 

  5633.     static uint32_t carla_lv2_event_ref(LV2_Event_Callback_Data callback_data, LV2_Event* event)

  5634.     {

  5635.         CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0);

  5636.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0);

  5637.         carla_debug("carla_lv2_event_ref(%p, %p)", callback_data, event);

  5638. 

  5639.         return 0;

  5640.     }

  5641. 

  5642.     static uint32_t carla_lv2_event_unref(LV2_Event_Callback_Data callback_data, LV2_Event* event)

  5643.     {

  5644.         CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0);

  5645.         CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0);

  5646.         carla_debug("carla_lv2_event_unref(%p, %p)", callback_data, event);

  5647. 

  5648.         return 0;

  5649.     }

  5650. 

  5651.     // -------------------------------------------------------------------

  5652.     // Logs Feature

  5653. 

  5654.     static int carla_lv2_log_printf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...)

  5655.     {

  5656.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0);

  5657.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, 0);

  5658.         CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0);

  5659. 

  5660. #ifndef DEBUG

  5661.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  5662.             return 0;

  5663. #endif

  5664. 

  5665.         va_list args;

  5666.         va_start(args, fmt);

  5667.         const int ret(carla_lv2_log_vprintf(handle, type, fmt, args));

  5668.         va_end(args);

  5669. 

  5670.         return ret;

  5671.     }

  5672. 

  5673.     static int carla_lv2_log_vprintf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, va_list ap)

  5674.     {

  5675.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0);

  5676.         CARLA_SAFE_ASSERT_RETURN(type != CARLA_URI_MAP_ID_NULL, 0);

  5677.         CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0);

  5678. 

  5679. #ifndef DEBUG

  5680.         if (type == CARLA_URI_MAP_ID_LOG_TRACE)

  5681.             return 0;

  5682. #endif

  5683. 

  5684.         int ret = 0;

  5685. 

  5686.         switch (type)

  5687.         {

  5688.         case CARLA_URI_MAP_ID_LOG_ERROR:

  5689.             std::fprintf(stderr, "\x1b[31m");

  5690.             ret = std::vfprintf(stderr, fmt, ap);

  5691.             std::fprintf(stderr, "\x1b[0m");

  5692.             break;

  5693. 

  5694.         case CARLA_URI_MAP_ID_LOG_NOTE:

  5695.             ret = std::vfprintf(stdout, fmt, ap);

  5696.             break;

  5697. 

  5698.         case CARLA_URI_MAP_ID_LOG_TRACE:

  5699. #ifdef DEBUG

  5700.             std::fprintf(stdout, "\x1b[30;1m");

  5701.             ret = std::vfprintf(stdout, fmt, ap);

  5702.             std::fprintf(stdout, "\x1b[0m");

  5703. #endif

  5704.             break;

  5705. 

  5706.         case CARLA_URI_MAP_ID_LOG_WARNING:

  5707.             ret = std::vfprintf(stderr, fmt, ap);

  5708.             break;

  5709. 

  5710.         default:

  5711.             break;

  5712.         }

  5713. 

  5714.         return ret;

  5715.     }

  5716. 

  5717.     // -------------------------------------------------------------------

  5718.     // Programs Feature

  5719. 

  5720.     static void carla_lv2_program_changed(LV2_Programs_Handle handle, int32_t index)

  5721.     {

  5722.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  5723.         carla_debug("carla_lv2_program_changed(%p, %i)", handle, index);

  5724. 

  5725.         ((CarlaPluginLV2*)handle)->handleProgramChanged(index);

  5726.     }

  5727. 

  5728.     // -------------------------------------------------------------------

  5729.     // Resize Port Feature

  5730. 

  5731.     static LV2_Resize_Port_Status carla_lv2_resize_port(LV2_Resize_Port_Feature_Data data, uint32_t index, size_t size)

  5732.     {

  5733.         CARLA_SAFE_ASSERT_RETURN(data != nullptr, LV2_RESIZE_PORT_ERR_UNKNOWN);

  5734.         carla_debug("carla_lv2_program_changed(%p, %i, " P_SIZE ")", data, index, size);

  5735. 

  5736.         return ((CarlaPluginLV2*)data)->handleResizePort(index, size);

  5737.     }

  5738. 

  5739.     // -------------------------------------------------------------------

  5740.     // State Feature

  5741. 

  5742.     static char* carla_lv2_state_make_path(LV2_State_Make_Path_Handle handle, const char* path)

  5743.     {

  5744.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5745.         CARLA_SAFE_ASSERT_RETURN(path != nullptr && path[0] != '\0', nullptr);

  5746.         carla_debug("carla_lv2_state_make_path(%p, \"%s\")", handle, path);

  5747. 

  5748.         File file;

  5749. 

  5750.         if (File::isAbsolutePath(path))

  5751.             file = File(path);

  5752.         else

  5753.             file = File::getCurrentWorkingDirectory().getChildFile(path);

  5754. 

  5755.         file.getParentDirectory().createDirectory();

  5756. 

  5757.         return strdup(file.getFullPathName().toRawUTF8());

  5758.     }

  5759. 

  5760.     static char* carla_lv2_state_map_abstract_path(LV2_State_Map_Path_Handle handle, const char* absolute_path)

  5761.     {

  5762.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, strdup(""));

  5763.         CARLA_SAFE_ASSERT_RETURN(absolute_path != nullptr && absolute_path[0] != '\0', strdup(""));

  5764.         carla_debug("carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path);

  5765. 

  5766.         // may already be an abstract path

  5767.         if (! File::isAbsolutePath(absolute_path))

  5768.             return strdup(absolute_path);

  5769. 

  5770.         return strdup(File(absolute_path).getRelativePathFrom(File::getCurrentWorkingDirectory()).toRawUTF8());

  5771.     }

  5772. 

  5773.     static char* carla_lv2_state_map_absolute_path(LV2_State_Map_Path_Handle handle, const char* abstract_path)

  5774.     {

  5775.         const char* const cwd(File::getCurrentWorkingDirectory().getFullPathName().toRawUTF8());

  5776.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, strdup(cwd));

  5777.         CARLA_SAFE_ASSERT_RETURN(abstract_path != nullptr && abstract_path[0] != '\0', strdup(cwd));

  5778.         carla_debug("carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path);

  5779. 

  5780.         // may already be an absolute path

  5781.         if (File::isAbsolutePath(abstract_path))

  5782.             return strdup(abstract_path);

  5783. 

  5784.         return strdup(File::getCurrentWorkingDirectory().getChildFile(abstract_path).getFullPathName().toRawUTF8());

  5785.     }

  5786. 

  5787.     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)

  5788.     {

  5789.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_STATE_ERR_UNKNOWN);

  5790.         carla_debug("carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags);

  5791. 

  5792.         return ((CarlaPluginLV2*)handle)->handleStateStore(key, value, size, type, flags);

  5793.     }

  5794. 

  5795.     static const void* carla_lv2_state_retrieve(LV2_State_Handle handle, uint32_t key, size_t* size, uint32_t* type, uint32_t* flags)

  5796.     {

  5797.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5798.         carla_debug("carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags);

  5799. 

  5800.         return ((CarlaPluginLV2*)handle)->handleStateRetrieve(key, size, type, flags);

  5801.     }

  5802. 

  5803.     // -------------------------------------------------------------------

  5804.     // URI-Map Feature

  5805. 

  5806.     static uint32_t carla_lv2_uri_to_id(LV2_URI_Map_Callback_Data data, const char* map, const char* uri)

  5807.     {

  5808.         carla_debug("carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri);

  5809.         return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri);

  5810. 

  5811.         // unused

  5812.         (void)map;

  5813.     }

  5814. 

  5815.     // -------------------------------------------------------------------

  5816.     // URID Feature

  5817. 

  5818.     static LV2_URID carla_lv2_urid_map(LV2_URID_Map_Handle handle, const char* uri)

  5819.     {

  5820.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, CARLA_URI_MAP_ID_NULL);

  5821.         CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', CARLA_URI_MAP_ID_NULL);

  5822.         carla_debug("carla_lv2_urid_map(%p, \"%s\")", handle, uri);

  5823. 

  5824.         // Atom types

  5825.         if (std::strcmp(uri, LV2_ATOM__Blank) == 0)

  5826.             return CARLA_URI_MAP_ID_ATOM_BLANK;

  5827.         if (std::strcmp(uri, LV2_ATOM__Bool) == 0)

  5828.             return CARLA_URI_MAP_ID_ATOM_BOOL;

  5829.         if (std::strcmp(uri, LV2_ATOM__Chunk) == 0)

  5830.             return CARLA_URI_MAP_ID_ATOM_CHUNK;

  5831.         if (std::strcmp(uri, LV2_ATOM__Double) == 0)

  5832.             return CARLA_URI_MAP_ID_ATOM_DOUBLE;

  5833.         if (std::strcmp(uri, LV2_ATOM__Event) == 0)

  5834.             return CARLA_URI_MAP_ID_ATOM_EVENT;

  5835.         if (std::strcmp(uri, LV2_ATOM__Float) == 0)

  5836.             return CARLA_URI_MAP_ID_ATOM_FLOAT;

  5837.         if (std::strcmp(uri, LV2_ATOM__Int) == 0)

  5838.             return CARLA_URI_MAP_ID_ATOM_INT;

  5839.         if (std::strcmp(uri, LV2_ATOM__Literal) == 0)

  5840.             return CARLA_URI_MAP_ID_ATOM_LITERAL;

  5841.         if (std::strcmp(uri, LV2_ATOM__Long) == 0)

  5842.             return CARLA_URI_MAP_ID_ATOM_LONG;

  5843.         if (std::strcmp(uri, LV2_ATOM__Number) == 0)

  5844.             return CARLA_URI_MAP_ID_ATOM_NUMBER;

  5845.         if (std::strcmp(uri, LV2_ATOM__Object) == 0)

  5846.             return CARLA_URI_MAP_ID_ATOM_OBJECT;

  5847.         if (std::strcmp(uri, LV2_ATOM__Path) == 0)

  5848.             return CARLA_URI_MAP_ID_ATOM_PATH;

  5849.         if (std::strcmp(uri, LV2_ATOM__Property) == 0)

  5850.             return CARLA_URI_MAP_ID_ATOM_PROPERTY;

  5851.         if (std::strcmp(uri, LV2_ATOM__Resource) == 0)

  5852.             return CARLA_URI_MAP_ID_ATOM_RESOURCE;

  5853.         if (std::strcmp(uri, LV2_ATOM__Sequence) == 0)

  5854.             return CARLA_URI_MAP_ID_ATOM_SEQUENCE;

  5855.         if (std::strcmp(uri, LV2_ATOM__Sound) == 0)

  5856.             return CARLA_URI_MAP_ID_ATOM_SOUND;

  5857.         if (std::strcmp(uri, LV2_ATOM__String) == 0)

  5858.             return CARLA_URI_MAP_ID_ATOM_STRING;

  5859.         if (std::strcmp(uri, LV2_ATOM__Tuple) == 0)

  5860.             return CARLA_URI_MAP_ID_ATOM_TUPLE;

  5861.         if (std::strcmp(uri, LV2_ATOM__URI) == 0)

  5862.             return CARLA_URI_MAP_ID_ATOM_URI;

  5863.         if (std::strcmp(uri, LV2_ATOM__URID) == 0)

  5864.             return CARLA_URI_MAP_ID_ATOM_URID;

  5865.         if (std::strcmp(uri, LV2_ATOM__Vector) == 0)

  5866.             return CARLA_URI_MAP_ID_ATOM_VECTOR;

  5867.         if (std::strcmp(uri, LV2_ATOM__atomTransfer) == 0)

  5868.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM;

  5869.         if (std::strcmp(uri, LV2_ATOM__eventTransfer) == 0)

  5870.             return CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT;

  5871. 

  5872.         // BufSize types

  5873.         if (std::strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0)

  5874.             return CARLA_URI_MAP_ID_BUF_MAX_LENGTH;

  5875.         if (std::strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0)

  5876.             return CARLA_URI_MAP_ID_BUF_MIN_LENGTH;

  5877.         if (std::strcmp(uri, LV2_BUF_SIZE__nominalBlockLength) == 0)

  5878.             return CARLA_URI_MAP_ID_BUF_NOMINAL_LENGTH;

  5879.         if (std::strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0)

  5880.             return CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE;

  5881. 

  5882.         // Log types

  5883.         if (std::strcmp(uri, LV2_LOG__Error) == 0)

  5884.             return CARLA_URI_MAP_ID_LOG_ERROR;

  5885.         if (std::strcmp(uri, LV2_LOG__Note) == 0)

  5886.             return CARLA_URI_MAP_ID_LOG_NOTE;

  5887.         if (std::strcmp(uri, LV2_LOG__Trace) == 0)

  5888.             return CARLA_URI_MAP_ID_LOG_TRACE;

  5889.         if (std::strcmp(uri, LV2_LOG__Warning) == 0)

  5890.             return CARLA_URI_MAP_ID_LOG_WARNING;

  5891. 

  5892.         // Time types

  5893.         if (std::strcmp(uri, LV2_TIME__Position) == 0)

  5894.             return CARLA_URI_MAP_ID_TIME_POSITION;

  5895.         if (std::strcmp(uri, LV2_TIME__bar) == 0)

  5896.             return CARLA_URI_MAP_ID_TIME_BAR;

  5897.         if (std::strcmp(uri, LV2_TIME__barBeat) == 0)

  5898.             return CARLA_URI_MAP_ID_TIME_BAR_BEAT;

  5899.         if (std::strcmp(uri, LV2_TIME__beat) == 0)

  5900.             return CARLA_URI_MAP_ID_TIME_BEAT;

  5901.         if (std::strcmp(uri, LV2_TIME__beatUnit) == 0)

  5902.             return CARLA_URI_MAP_ID_TIME_BEAT_UNIT;

  5903.         if (std::strcmp(uri, LV2_TIME__beatsPerBar) == 0)

  5904.             return CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR;

  5905.         if (std::strcmp(uri, LV2_TIME__beatsPerMinute) == 0)

  5906.             return CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE;

  5907.         if (std::strcmp(uri, LV2_TIME__frame) == 0)

  5908.             return CARLA_URI_MAP_ID_TIME_FRAME;

  5909.         if (std::strcmp(uri, LV2_TIME__framesPerSecond) == 0)

  5910.             return CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND;

  5911.         if (std::strcmp(uri, LV2_TIME__speed) == 0)

  5912.             return CARLA_URI_MAP_ID_TIME_SPEED;

  5913.         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat) == 0)

  5914.             return CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT;

  5915. 

  5916.         // Others

  5917.         if (std::strcmp(uri, LV2_MIDI__MidiEvent) == 0)

  5918.             return CARLA_URI_MAP_ID_MIDI_EVENT;

  5919.         if (std::strcmp(uri, LV2_PARAMETERS__sampleRate) == 0)

  5920.             return CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE;

  5921.         if (std::strcmp(uri, LV2_UI__windowTitle) == 0)

  5922.             return CARLA_URI_MAP_ID_UI_WINDOW_TITLE;

  5923. 

  5924.         // Custom

  5925.         if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TransientWindowId) == 0)

  5926.             return CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID;

  5927.         if (std::strcmp(uri, URI_CARLA_ATOM_WORKER) == 0)

  5928.             return CARLA_URI_MAP_ID_CARLA_ATOM_WORKER;

  5929. 

  5930.         // Custom types

  5931.         return ((CarlaPluginLV2*)handle)->getCustomURID(uri);

  5932.     }

  5933. 

  5934.     static const char* carla_lv2_urid_unmap(LV2_URID_Map_Handle handle, LV2_URID urid)

  5935.     {

  5936.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr);

  5937.         CARLA_SAFE_ASSERT_RETURN(urid != CARLA_URI_MAP_ID_NULL, nullptr);

  5938.         carla_debug("carla_lv2_urid_unmap(%p, %i)", handle, urid);

  5939. 

  5940.         // Atom types

  5941.         if (urid == CARLA_URI_MAP_ID_ATOM_BLANK)

  5942.             return LV2_ATOM__Blank;

  5943.         if (urid == CARLA_URI_MAP_ID_ATOM_BOOL)

  5944.             return LV2_ATOM__Bool;

  5945.         if (urid == CARLA_URI_MAP_ID_ATOM_CHUNK)

  5946.             return LV2_ATOM__Chunk;

  5947.         if (urid == CARLA_URI_MAP_ID_ATOM_DOUBLE)

  5948.             return LV2_ATOM__Double;

  5949.         if (urid == CARLA_URI_MAP_ID_ATOM_EVENT)

  5950.             return LV2_ATOM__Event;

  5951.         if (urid == CARLA_URI_MAP_ID_ATOM_FLOAT)

  5952.             return LV2_ATOM__Float;

  5953.         if (urid == CARLA_URI_MAP_ID_ATOM_INT)

  5954.             return LV2_ATOM__Int;

  5955.         if (urid == CARLA_URI_MAP_ID_ATOM_LITERAL)

  5956.             return LV2_ATOM__Literal;

  5957.         if (urid == CARLA_URI_MAP_ID_ATOM_LONG)

  5958.             return LV2_ATOM__Long;

  5959.         if (urid == CARLA_URI_MAP_ID_ATOM_NUMBER)

  5960.             return LV2_ATOM__Number;

  5961.         if (urid == CARLA_URI_MAP_ID_ATOM_OBJECT)

  5962.             return LV2_ATOM__Object;

  5963.         if (urid == CARLA_URI_MAP_ID_ATOM_PATH)

  5964.             return LV2_ATOM__Path;

  5965.         if (urid == CARLA_URI_MAP_ID_ATOM_PROPERTY)

  5966.             return LV2_ATOM__Property;

  5967.         if (urid == CARLA_URI_MAP_ID_ATOM_RESOURCE)

  5968.             return LV2_ATOM__Resource;

  5969.         if (urid == CARLA_URI_MAP_ID_ATOM_SEQUENCE)

  5970.             return LV2_ATOM__Sequence;

  5971.         if (urid == CARLA_URI_MAP_ID_ATOM_SOUND)

  5972.             return LV2_ATOM__Sound;

  5973.         if (urid == CARLA_URI_MAP_ID_ATOM_STRING)

  5974.             return LV2_ATOM__String;

  5975.         if (urid == CARLA_URI_MAP_ID_ATOM_TUPLE)

  5976.             return LV2_ATOM__Tuple;

  5977.         if (urid == CARLA_URI_MAP_ID_ATOM_URI)

  5978.             return LV2_ATOM__URI;

  5979.         if (urid == CARLA_URI_MAP_ID_ATOM_URID)

  5980.             return LV2_ATOM__URID;

  5981.         if (urid == CARLA_URI_MAP_ID_ATOM_VECTOR)

  5982.             return LV2_ATOM__Vector;

  5983.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_ATOM)

  5984.             return LV2_ATOM__atomTransfer;

  5985.         if (urid == CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT)

  5986.             return LV2_ATOM__eventTransfer;

  5987. 

  5988.         // BufSize types

  5989.         if (urid == CARLA_URI_MAP_ID_BUF_MAX_LENGTH)

  5990.             return LV2_BUF_SIZE__maxBlockLength;

  5991.         if (urid == CARLA_URI_MAP_ID_BUF_MIN_LENGTH)

  5992.             return LV2_BUF_SIZE__minBlockLength;

  5993.         if (urid == CARLA_URI_MAP_ID_BUF_NOMINAL_LENGTH)

  5994.             return LV2_BUF_SIZE__nominalBlockLength;

  5995.         if (urid == CARLA_URI_MAP_ID_BUF_SEQUENCE_SIZE)

  5996.             return LV2_BUF_SIZE__sequenceSize;

  5997. 

  5998.         // Log types

  5999.         if (urid == CARLA_URI_MAP_ID_LOG_ERROR)

  6000.             return LV2_LOG__Error;

  6001.         if (urid == CARLA_URI_MAP_ID_LOG_NOTE)

  6002.             return LV2_LOG__Note;

  6003.         if (urid == CARLA_URI_MAP_ID_LOG_TRACE)

  6004.             return LV2_LOG__Trace;

  6005.         if (urid == CARLA_URI_MAP_ID_LOG_WARNING)

  6006.             return LV2_LOG__Warning;

  6007. 

  6008.         // Time types

  6009.         if (urid == CARLA_URI_MAP_ID_TIME_POSITION)

  6010.             return LV2_TIME__Position;

  6011.         if (urid == CARLA_URI_MAP_ID_TIME_BAR)

  6012.             return LV2_TIME__bar;

  6013.         if (urid == CARLA_URI_MAP_ID_TIME_BAR_BEAT)

  6014.             return LV2_TIME__barBeat;

  6015.         if (urid == CARLA_URI_MAP_ID_TIME_BEAT)

  6016.             return LV2_TIME__beat;

  6017.         if (urid == CARLA_URI_MAP_ID_TIME_BEAT_UNIT)

  6018.             return LV2_TIME__beatUnit;

  6019.         if (urid == CARLA_URI_MAP_ID_TIME_BEATS_PER_BAR)

  6020.             return LV2_TIME__beatsPerBar;

  6021.         if (urid == CARLA_URI_MAP_ID_TIME_BEATS_PER_MINUTE)

  6022.             return LV2_TIME__beatsPerMinute;

  6023.         if (urid == CARLA_URI_MAP_ID_TIME_FRAME)

  6024.             return LV2_TIME__frame;

  6025.         if (urid == CARLA_URI_MAP_ID_TIME_FRAMES_PER_SECOND)

  6026.             return LV2_TIME__framesPerSecond;

  6027.         if (urid == CARLA_URI_MAP_ID_TIME_SPEED)

  6028.             return LV2_TIME__speed;

  6029.         if (urid == CARLA_URI_MAP_ID_TIME_TICKS_PER_BEAT)

  6030.             return LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat;

  6031. 

  6032.         // Others

  6033.         if (urid == CARLA_URI_MAP_ID_MIDI_EVENT)

  6034.             return LV2_MIDI__MidiEvent;

  6035.         if (urid == CARLA_URI_MAP_ID_PARAM_SAMPLE_RATE)

  6036.             return LV2_PARAMETERS__sampleRate;

  6037.         if (urid == CARLA_URI_MAP_ID_UI_WINDOW_TITLE)

  6038.             return LV2_UI__windowTitle;

  6039. 

  6040.         // Custom

  6041.         if (urid == CARLA_URI_MAP_ID_CARLA_ATOM_WORKER)

  6042.             return URI_CARLA_ATOM_WORKER;

  6043.         if (urid == CARLA_URI_MAP_ID_CARLA_TRANSIENT_WIN_ID)

  6044.             return LV2_KXSTUDIO_PROPERTIES__TransientWindowId;

  6045. 

  6046.         // Custom types

  6047.         return ((CarlaPluginLV2*)handle)->getCustomURIDString(urid);

  6048.     }

  6049. 

  6050.     // -------------------------------------------------------------------

  6051.     // Worker Feature

  6052. 

  6053.     static LV2_Worker_Status carla_lv2_worker_schedule(LV2_Worker_Schedule_Handle handle, uint32_t size, const void* data)

  6054.     {

  6055.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN);

  6056.         carla_debug("carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data);

  6057. 

  6058.         return ((CarlaPluginLV2*)handle)->handleWorkerSchedule(size, data);

  6059.     }

  6060. 

  6061.     static LV2_Worker_Status carla_lv2_worker_respond(LV2_Worker_Respond_Handle handle, uint32_t size, const void* data)

  6062.     {

  6063.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN);

  6064.         carla_debug("carla_lv2_worker_respond(%p, %i, %p)", handle, size, data);

  6065. 

  6066.         return ((CarlaPluginLV2*)handle)->handleWorkerRespond(size, data);

  6067.     }

  6068. 

  6069.     // -------------------------------------------------------------------

  6070.     // External UI Feature

  6071. 

  6072.     static void carla_lv2_external_ui_closed(LV2UI_Controller controller)

  6073.     {

  6074.         CARLA_SAFE_ASSERT_RETURN(controller != nullptr,);

  6075.         carla_debug("carla_lv2_external_ui_closed(%p)", controller);

  6076. 

  6077.         ((CarlaPluginLV2*)controller)->handleExternalUIClosed();

  6078.     }

  6079. 

  6080.     // -------------------------------------------------------------------

  6081.     // UI Port-Map Feature

  6082. 

  6083.     static uint32_t carla_lv2_ui_port_map(LV2UI_Feature_Handle handle, const char* symbol)

  6084.     {

  6085.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2UI_INVALID_PORT_INDEX);

  6086.         carla_debug("carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol);

  6087. 

  6088.         return ((CarlaPluginLV2*)handle)->handleUIPortMap(symbol);

  6089.     }

  6090. 

  6091.     // -------------------------------------------------------------------

  6092.     // UI Resize Feature

  6093. 

  6094.     static int carla_lv2_ui_resize(LV2UI_Feature_Handle handle, int width, int height)

  6095.     {

  6096.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 1);

  6097.         carla_debug("carla_lv2_ui_resize(%p, %i, %i)", handle, width, height);

  6098. 

  6099.         return ((CarlaPluginLV2*)handle)->handleUIResize(width, height);

  6100.     }

  6101. 

  6102.     // -------------------------------------------------------------------

  6103.     // UI Extension

  6104. 

  6105.     static void carla_lv2_ui_write_function(LV2UI_Controller controller, uint32_t port_index, uint32_t buffer_size, uint32_t format, const void* buffer)

  6106.     {

  6107.         CARLA_SAFE_ASSERT_RETURN(controller != nullptr,);

  6108.         carla_debug("carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer);

  6109. 

  6110.         ((CarlaPluginLV2*)controller)->handleUIWrite(port_index, buffer_size, format, buffer);

  6111.     }

  6112. 

  6113.     // -------------------------------------------------------------------

  6114.     // Lilv State

  6115. 

  6116.     static void carla_lilv_set_port_value(const char* port_symbol, void* user_data, const void* value, uint32_t size, uint32_t type)

  6117.     {

  6118.         CARLA_SAFE_ASSERT_RETURN(user_data != nullptr,);

  6119.         carla_debug("carla_lilv_set_port_value(\"%s\", %p, %p, %i, %i", port_symbol, user_data, value, size, type);

  6120. 

  6121.         ((CarlaPluginLV2*)user_data)->handleLilvSetPortValue(port_symbol, value, size, type);

  6122.     }

  6123. 

  6124.     // -------------------------------------------------------------------

  6125. 

  6126.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLV2)

  6127. };

  6128. 

  6129. // -------------------------------------------------------------------------------------------------------------------

  6130. 

  6131. bool CarlaPipeServerLV2::msgReceived(const char* const msg) noexcept

  6132. {

  6133.     if (std::strcmp(msg, "exiting") == 0)

  6134.     {

  6135.         closePipeServer();

  6136.         fUiState = UiHide;

  6137.         return true;

  6138.     }

  6139. 

  6140.     if (std::strcmp(msg, "control") == 0)

  6141.     {

  6142.         uint32_t index;

  6143.         float value;

  6144. 

  6145.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6146.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  6147. 

  6148.         try {

  6149.             kPlugin->handleUIWrite(index, sizeof(float), CARLA_URI_MAP_ID_NULL, &value);

  6150.         } CARLA_SAFE_EXCEPTION("magReceived control");

  6151. 

  6152.         return true;

  6153.     }

  6154. 

  6155.     if (std::strcmp(msg, "atom") == 0)

  6156.     {

  6157.         uint32_t index, size;

  6158.         const char* base64atom;

  6159. 

  6160.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6161.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(size), true);

  6162.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(base64atom), true);

  6163. 

  6164.         std::vector<uint8_t> chunk(carla_getChunkFromBase64String(base64atom));

  6165.         delete[] base64atom;

  6166.         CARLA_SAFE_ASSERT_RETURN(chunk.size() >= sizeof(LV2_Atom), true);

  6167. 

  6168.         const LV2_Atom* const atom((const LV2_Atom*)chunk.data());

  6169.         CARLA_SAFE_ASSERT_RETURN(lv2_atom_total_size(atom) == chunk.size(), true);

  6170. 

  6171.         try {

  6172.             kPlugin->handleUIWrite(index, lv2_atom_total_size(atom), CARLA_URI_MAP_ID_ATOM_TRANSFER_EVENT, atom);

  6173.         } CARLA_SAFE_EXCEPTION("magReceived atom");

  6174. 

  6175.         return true;

  6176.     }

  6177. 

  6178.     if (std::strcmp(msg, "program") == 0)

  6179.     {

  6180.         uint32_t index;

  6181. 

  6182.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true);

  6183. 

  6184.         try {

  6185.             kPlugin->setMidiProgram(static_cast<int32_t>(index), false, true, true);

  6186.         } CARLA_SAFE_EXCEPTION("msgReceived program");

  6187. 

  6188.         return true;

  6189.     }

  6190. 

  6191.     if (std::strcmp(msg, "urid") == 0)

  6192.     {

  6193.         uint32_t urid;

  6194.         const char* uri;

  6195. 

  6196.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(urid), true);

  6197.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(uri), true);

  6198. 

  6199.         if (urid != 0)

  6200.         {

  6201.             try {

  6202.                 kPlugin->handleUridMap(urid, uri);

  6203.             } CARLA_SAFE_EXCEPTION("msgReceived urid");

  6204.         }

  6205. 

  6206.         delete[] uri;

  6207.         return true;

  6208.     }

  6209. 

  6210.     return false;

  6211. }

  6212. 

  6213. // -------------------------------------------------------------------------------------------------------------------

  6214. 

  6215. CarlaPlugin* CarlaPlugin::newLV2(const Initializer& init)

  6216. {

  6217.     carla_debug("CarlaPlugin::newLV2({%p, \"%s\", \"%s\", " P_INT64 "})", init.engine, init.name, init.label, init.uniqueId);

  6218. 

  6219.     CarlaPluginLV2* const plugin(new CarlaPluginLV2(init.engine, init.id));

  6220. 

  6221.     if (! plugin->init(init.name, init.label, init.options))

  6222.     {

  6223.         delete plugin;

  6224.         return nullptr;

  6225.     }

  6226. 

  6227.     return plugin;

  6228. }

  6229. 

  6230. // -------------------------------------------------------------------------------------------------------------------

  6231. 

  6232. CARLA_BACKEND_END_NAMESPACE