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Audio plugin host https://kx.studio/carla
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Carla/source/backend/engine/CarlaEngineNative.cpp

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  1. /*

  2.  * Carla Plugin Host

  3.  * Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaDefines.h"

  19. 

  20. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  21. # error This file should not be compiled if building alternative-arch bridges

  22. #endif

  23. 

  24. #include "CarlaEngineInternal.hpp"

  25. #include "CarlaPlugin.hpp"

  26. 

  27. #include "CarlaBackendUtils.hpp"

  28. #include "CarlaBase64Utils.hpp"

  29. #include "CarlaBinaryUtils.hpp"

  30. #include "CarlaMathUtils.hpp"

  31. #include "CarlaStateUtils.hpp"

  32. 

  33. #include "CarlaExternalUI.hpp"

  34. #include "CarlaHost.h"

  35. #include "CarlaNative.hpp"

  36. #include "CarlaNativePlugin.h"

  37. 

  38. #if defined(USING_JUCE) && ! (defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN))

  39. # if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  40. #  pragma GCC diagnostic push

  41. #  pragma GCC diagnostic ignored "-Wconversion"

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

  43. #  pragma GCC diagnostic ignored "-Wsign-conversion"

  44. #  pragma GCC diagnostic ignored "-Wundef"

  45. #  pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"

  46. # endif

  47. # include "AppConfig.h"

  48. # include "juce_events/juce_events.h"

  49. # define USE_JUCE_MESSAGE_THREAD

  50. # if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  51. #  pragma GCC diagnostic pop

  52. # endif

  53. #endif

  54. 

  55. #include "water/files/File.h"

  56. #include "water/streams/MemoryOutputStream.h"

  57. #include "water/xml/XmlDocument.h"

  58. #include "water/xml/XmlElement.h"

  59. 

  60. using water::File;

  61. using water::MemoryOutputStream;

  62. using water::String;

  63. using water::XmlDocument;

  64. using water::XmlElement;

  65. 

  66. CARLA_BACKEND_START_NAMESPACE

  67. 

  68. // -----------------------------------------------------------------------

  69. 

  70. #ifdef USE_JUCE_MESSAGE_THREAD

  71. static int numScopedInitInstances = 0;

  72. 

  73. class SharedJuceMessageThread : public juce::Thread

  74. {

  75. public:

  76.     SharedJuceMessageThread()

  77.       : juce::Thread ("SharedJuceMessageThread"),

  78.         initialised (false) {}

  79. 

  80.     ~SharedJuceMessageThread()

  81.     {

  82.         CARLA_SAFE_ASSERT(numScopedInitInstances == 0);

  83. 

  84.         // in case something fails

  85.         juce::MessageManager::getInstance()->stopDispatchLoop();

  86.         waitForThreadToExit (5000);

  87.     }

  88. 

  89.     void incRef()

  90.     {

  91.         if (numScopedInitInstances++ == 0)

  92.         {

  93.             startThread (7);

  94. 

  95.             while (! initialised)

  96.                 juce::Thread::sleep (1);

  97.         }

  98.     }

  99. 

  100.     void decRef()

  101.     {

  102.         if (--numScopedInitInstances == 0)

  103.         {

  104.             juce::MessageManager::getInstance()->stopDispatchLoop();

  105.             waitForThreadToExit (5000);

  106.         }

  107.     }

  108. 

  109. protected:

  110.     void run() override

  111.     {

  112.         const juce::ScopedJuceInitialiser_GUI juceInitialiser;

  113. 

  114.         juce::MessageManager::getInstance()->setCurrentThreadAsMessageThread();

  115.         initialised = true;

  116. 

  117.         juce::MessageManager::getInstance()->runDispatchLoop();

  118.     }

  119. 

  120. private:

  121.     volatile bool initialised;

  122. 

  123.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(SharedJuceMessageThread);

  124. };

  125. #endif

  126. 

  127. // -----------------------------------------------------------------------

  128. 

  129. class CarlaEngineNativeUI : public CarlaExternalUI

  130. {

  131. public:

  132.     CarlaEngineNativeUI(CarlaEngine* const engine)

  133.         : fEngine(engine)

  134.     {

  135.         carla_debug("CarlaEngineNativeUI::CarlaEngineNativeUI(%p)", engine);

  136.     }

  137. 

  138.     ~CarlaEngineNativeUI() noexcept override

  139.     {

  140.         carla_debug("CarlaEngineNativeUI::~CarlaEngineNativeUI()");

  141.     }

  142. 

  143. protected:

  144.     bool msgReceived(const char* const msg) noexcept override

  145.     {

  146.         if (CarlaExternalUI::msgReceived(msg))

  147.             return true;

  148. 

  149.         bool ok = true;

  150. 

  151.         if (std::strcmp(msg, "set_engine_option") == 0)

  152.         {

  153.             uint32_t option;

  154.             int32_t value;

  155.             const char* valueStr = nullptr;

  156. 

  157.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(option), true);

  158.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(value), true);

  159.             readNextLineAsString(valueStr); // can be null

  160. 

  161.             try {

  162.                 fEngine->setOption(static_cast<EngineOption>(option), value, valueStr);

  163.             } CARLA_SAFE_EXCEPTION("setOption");

  164. 

  165.             if (valueStr != nullptr)

  166.                 delete[] valueStr;

  167.         }

  168.         else if (std::strcmp(msg, "clear_engine_xruns") == 0)

  169.         {

  170.             fEngine->clearXruns();

  171.         }

  172.         else if (std::strcmp(msg, "cancel_engine_action") == 0)

  173.         {

  174.             fEngine->setActionCanceled(true);

  175.         }

  176.         else if (std::strcmp(msg, "load_file") == 0)

  177.         {

  178.             const char* filename;

  179. 

  180.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  181. 

  182.             try {

  183.                 ok = fEngine->loadFile(filename);

  184.             } CARLA_SAFE_EXCEPTION("loadFile");

  185. 

  186.             delete[] filename;

  187.         }

  188.         else if (std::strcmp(msg, "load_project") == 0)

  189.         {

  190.             const char* filename;

  191. 

  192.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  193. 

  194.             try {

  195.                 ok = fEngine->loadProject(filename, true);

  196.             } CARLA_SAFE_EXCEPTION("loadProject");

  197. 

  198.             delete[] filename;

  199.         }

  200.         else if (std::strcmp(msg, "save_project") == 0)

  201.         {

  202.             const char* filename;

  203. 

  204.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  205. 

  206.             try {

  207.                 ok = fEngine->saveProject(filename, true);

  208.             } CARLA_SAFE_EXCEPTION("saveProject");

  209. 

  210.             delete[] filename;

  211.         }

  212.         else if (std::strcmp(msg, "clear_project_filename") == 0)

  213.         {

  214.             fEngine->clearCurrentProjectFilename();

  215.         }

  216.         else if (std::strcmp(msg, "patchbay_connect") == 0)

  217.         {

  218.             bool external;

  219.             uint32_t groupA, portA, groupB, portB;

  220. 

  221.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(external), true);

  222.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(groupA), true);

  223.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(portA), true);

  224.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(groupB), true);

  225.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(portB), true);

  226. 

  227.             try {

  228.                 ok = fEngine->patchbayConnect(external, groupA, portA, groupB, portB);

  229.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  230.         }

  231.         else if (std::strcmp(msg, "patchbay_disconnect") == 0)

  232.         {

  233.             bool external;

  234.             uint32_t connectionId;

  235. 

  236.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(external), true);

  237.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(connectionId), true);

  238. 

  239.             try {

  240.                 ok = fEngine->patchbayDisconnect(external, connectionId);

  241.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  242.         }

  243.         else if (std::strcmp(msg, "patchbay_refresh") == 0)

  244.         {

  245.             bool external;

  246.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(external), true);

  247. 

  248.             try {

  249.                 ok = fEngine->patchbayRefresh(true, false, external);

  250.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  251.         }

  252.         else if (std::strcmp(msg, "transport_play") == 0)

  253.         {

  254.             fEngine->transportPlay();

  255.         }

  256.         else if (std::strcmp(msg, "transport_pause") == 0)

  257.         {

  258.             fEngine->transportPause();

  259.         }

  260.         else if (std::strcmp(msg, "transport_bpm") == 0)

  261.         {

  262.             double bpm;

  263. 

  264.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsDouble(bpm), true);

  265. 

  266.             fEngine->transportBPM(bpm);

  267.         }

  268.         else if (std::strcmp(msg, "transport_relocate") == 0)

  269.         {

  270.             uint64_t frame;

  271. 

  272.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsULong(frame), true);

  273. 

  274.             fEngine->transportRelocate(frame);

  275.         }

  276.         else if (std::strcmp(msg, "add_plugin") == 0)

  277.         {

  278.             uint32_t btype, ptype;

  279.             const char* filename = nullptr;

  280.             const char* name;

  281.             const char* label;

  282.             int64_t uniqueId;

  283.             uint options;

  284. 

  285.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(btype), true);

  286.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(ptype), true);

  287.             readNextLineAsString(filename); // can be null

  288.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(name), true);

  289.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(label), true);

  290.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsLong(uniqueId), true);

  291.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(options), true);

  292. 

  293.             if (filename != nullptr && std::strcmp(filename, "(null)") == 0)

  294.             {

  295.                 delete[] filename;

  296.                 filename = nullptr;

  297.             }

  298. 

  299.             if (std::strcmp(name, "(null)") == 0)

  300.             {

  301.                 delete[] name;

  302.                 name = nullptr;

  303.             }

  304. 

  305.             ok = fEngine->addPlugin(static_cast<BinaryType>(btype), static_cast<PluginType>(ptype),

  306.                                     filename, name, label, uniqueId, nullptr, options);

  307. 

  308.             if (filename != nullptr)

  309.                 delete[] filename;

  310.             if (name != nullptr)

  311.                 delete[] name;

  312.             delete[] label;

  313.         }

  314.         else if (std::strcmp(msg, "remove_plugin") == 0)

  315.         {

  316.             uint32_t pluginId;

  317. 

  318.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  319. 

  320.             ok = fEngine->removePlugin(pluginId);

  321.         }

  322.         else if (std::strcmp(msg, "remove_all_plugins") == 0)

  323.         {

  324.             ok = fEngine->removeAllPlugins();

  325.         }

  326.         else if (std::strcmp(msg, "rename_plugin") == 0)

  327.         {

  328.             uint32_t pluginId;

  329.             const char* newName;

  330. 

  331.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  332.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(newName), true);

  333. 

  334.             // TODO

  335.             /*const char* name =*/ fEngine->renamePlugin(pluginId, newName);

  336. 

  337.             delete[] newName;

  338.         }

  339.         else if (std::strcmp(msg, "clone_plugin") == 0)

  340.         {

  341.             uint32_t pluginId;

  342. 

  343.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  344. 

  345.             ok = fEngine->clonePlugin(pluginId);

  346.         }

  347.         else if (std::strcmp(msg, "replace_plugin") == 0)

  348.         {

  349.             uint32_t pluginId;

  350. 

  351.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  352. 

  353.             ok = fEngine->replacePlugin(pluginId);

  354.         }

  355.         else if (std::strcmp(msg, "switch_plugins") == 0)

  356.         {

  357.             uint32_t pluginIdA, pluginIdB;

  358. 

  359.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginIdA), true);

  360.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginIdB), true);

  361. 

  362.             ok = fEngine->switchPlugins(pluginIdA, pluginIdB);

  363.         }

  364.         else if (std::strcmp(msg, "load_plugin_state") == 0)

  365.         {

  366.             uint32_t pluginId;

  367.             const char* filename;

  368. 

  369.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  370.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  371. 

  372.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  373.                 plugin->loadStateFromFile(filename);

  374. 

  375.             delete[] filename;

  376.         }

  377.         else if (std::strcmp(msg, "save_plugin_state") == 0)

  378.         {

  379.             uint32_t pluginId;

  380.             const char* filename;

  381. 

  382.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  383.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  384. 

  385.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  386.                 plugin->saveStateToFile(filename);

  387. 

  388.             delete[] filename;

  389.         }

  390.         else if (std::strcmp(msg, "set_option") == 0)

  391.         {

  392.             uint32_t pluginId, option;

  393.             bool yesNo;

  394. 

  395.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  396.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(option), true);

  397.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(yesNo), true);

  398. 

  399.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  400.                 plugin->setOption(option, yesNo, false);

  401.         }

  402.         else if (std::strcmp(msg, "set_active") == 0)

  403.         {

  404.             uint32_t pluginId;

  405.             bool onOff;

  406. 

  407.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  408.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(onOff), true);

  409. 

  410.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  411.                 plugin->setActive(onOff, true, false);

  412.         }

  413.         else if (std::strcmp(msg, "set_drywet") == 0)

  414.         {

  415.             uint32_t pluginId;

  416.             float value;

  417. 

  418.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  419.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  420. 

  421.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  422.                 plugin->setDryWet(value, true, false);

  423.         }

  424.         else if (std::strcmp(msg, "set_volume") == 0)

  425.         {

  426.             uint32_t pluginId;

  427.             float value;

  428. 

  429.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  430.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  431. 

  432.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  433.                 plugin->setVolume(value, true, false);

  434.         }

  435.         else if (std::strcmp(msg, "set_balance_left") == 0)

  436.         {

  437.             uint32_t pluginId;

  438.             float value;

  439. 

  440.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  441.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  442. 

  443.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  444.                 plugin->setBalanceLeft(value, true, false);

  445.         }

  446.         else if (std::strcmp(msg, "set_balance_right") == 0)

  447.         {

  448.             uint32_t pluginId;

  449.             float value;

  450. 

  451.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  452.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  453. 

  454.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  455.                 plugin->setBalanceRight(value, true, false);

  456.         }

  457.         else if (std::strcmp(msg, "set_panning") == 0)

  458.         {

  459.             uint32_t pluginId;

  460.             float value;

  461. 

  462.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  463.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  464. 

  465.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  466.                 plugin->setPanning(value, true, false);

  467.         }

  468.         else if (std::strcmp(msg, "set_ctrl_channel") == 0)

  469.         {

  470.             uint32_t pluginId;

  471.             int32_t channel;

  472. 

  473.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  474.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(channel), true);

  475.             CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS, true);

  476. 

  477.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  478.                 plugin->setCtrlChannel(int8_t(channel), true, false);

  479.         }

  480.         else if (std::strcmp(msg, "set_parameter_value") == 0)

  481.         {

  482.             uint32_t pluginId, parameterId;

  483.             float value;

  484. 

  485.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  486.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);

  487.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  488. 

  489.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  490.                 plugin->setParameterValue(parameterId, value, true, true, false);

  491.         }

  492.         else if (std::strcmp(msg, "set_parameter_midi_channel") == 0)

  493.         {

  494.             uint32_t pluginId, parameterId, channel;

  495. 

  496.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  497.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);

  498.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(channel), true);

  499.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  500. 

  501.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  502.                 plugin->setParameterMidiChannel(parameterId, static_cast<uint8_t>(channel), true, false);

  503.         }

  504.         else if (std::strcmp(msg, "set_parameter_midi_cc") == 0)

  505.         {

  506.             uint32_t pluginId, parameterId;

  507.             int32_t cc;

  508. 

  509.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  510.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);

  511.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(cc), true);

  512.             CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc < MAX_MIDI_CONTROL, true);

  513. 

  514.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  515.                 plugin->setParameterMidiCC(parameterId, static_cast<int16_t>(cc), true, false);

  516.         }

  517.         else if (std::strcmp(msg, "set_program") == 0)

  518.         {

  519.             uint32_t pluginId;

  520.             int32_t index;

  521. 

  522.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  523.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true);

  524. 

  525.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  526.             {

  527.                 plugin->setProgram(index, true, true, false);

  528.                 _updateParamValues(plugin, pluginId);

  529.             }

  530.         }

  531.         else if (std::strcmp(msg, "set_midi_program") == 0)

  532.         {

  533.             uint32_t pluginId;

  534.             int32_t index;

  535. 

  536.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  537.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true);

  538. 

  539.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  540.             {

  541.                 plugin->setMidiProgram(index, true, true, false);

  542.                 _updateParamValues(plugin, pluginId);

  543.             }

  544.         }

  545.         else if (std::strcmp(msg, "set_custom_data") == 0)

  546.         {

  547.             uint32_t pluginId;

  548.             const char* type;

  549.             const char* key;

  550.             const char* value;

  551. 

  552.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  553.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(type), true);

  554.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(key), true);

  555.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(value), true);

  556. 

  557.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  558.                 plugin->setCustomData(type, key, value, true);

  559. 

  560.             delete[] type;

  561.             delete[] key;

  562.             delete[] value;

  563.         }

  564.         else if (std::strcmp(msg, "set_chunk_data") == 0)

  565.         {

  566.             uint32_t pluginId;

  567.             const char* cdata;

  568. 

  569.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  570.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(cdata), true);

  571. 

  572.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  573.             {

  574.                 std::vector<uint8_t> chunk(carla_getChunkFromBase64String(cdata));

  575. #ifdef CARLA_PROPER_CPP11_SUPPORT

  576.                 plugin->setChunkData(chunk.data(), chunk.size());

  577. #else

  578.                 plugin->setChunkData(&chunk.front(), chunk.size());

  579. #endif

  580.             }

  581. 

  582.             delete[] cdata;

  583.         }

  584.         else if (std::strcmp(msg, "prepare_for_save") == 0)

  585.         {

  586.             uint32_t pluginId;

  587. 

  588.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  589. 

  590.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  591.                 plugin->prepareForSave();

  592.         }

  593.         else if (std::strcmp(msg, "reset_parameters") == 0)

  594.         {

  595.             uint32_t pluginId;

  596. 

  597.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  598. 

  599.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  600.                 plugin->resetParameters();

  601.         }

  602.         else if (std::strcmp(msg, "randomize_parameters") == 0)

  603.         {

  604.             uint32_t pluginId;

  605. 

  606.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  607. 

  608.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  609.                 plugin->randomizeParameters();

  610.         }

  611.         else if (std::strcmp(msg, "send_midi_note") == 0)

  612.         {

  613.             uint32_t pluginId, channel, note, velocity;

  614. 

  615.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  616.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(channel), true);

  617.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(note), true);

  618.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(velocity), true);

  619.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  620.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  621.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  622. 

  623.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  624.                 plugin->sendMidiSingleNote(static_cast<uint8_t>(channel), static_cast<uint8_t>(note), static_cast<uint8_t>(velocity), true, true, false);

  625.         }

  626.         else if (std::strcmp(msg, "show_custom_ui") == 0)

  627.         {

  628.             uint32_t pluginId;

  629.             bool yesNo;

  630. 

  631.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  632.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(yesNo), true);

  633. 

  634.             if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  635.                 plugin->showCustomUI(yesNo);

  636.         }

  637.         else

  638.         {

  639.             carla_stderr("CarlaEngineNativeUI::msgReceived : %s", msg);

  640.             return false;

  641.         }

  642. 

  643.         if (! ok)

  644.         {

  645.             const CarlaMutexLocker cml(getPipeLock());

  646. 

  647.             if (writeMessage("error\n", 6) && writeAndFixMessage(fEngine->getLastError()))

  648.                 flushMessages();

  649.         }

  650. 

  651.         return true;

  652.     }

  653. 

  654. private:

  655.     CarlaEngine* const fEngine;

  656. 

  657.     void _updateParamValues(CarlaPlugin* const plugin, const uint32_t pluginId) const noexcept

  658.     {

  659.         for (uint32_t i=0, count=plugin->getParameterCount(); i<count; ++i) {

  660.             fEngine->callback(true, true,

  661.                               ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

  662.                               pluginId,

  663.                               static_cast<int>(i),

  664.                               0, 0,

  665.                               plugin->getParameterValue(i),

  666.                               nullptr);

  667.         }

  668.     }

  669. 

  670.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  671. };

  672. 

  673. // -----------------------------------------------------------------------

  674. 

  675. class CarlaEngineNative : public CarlaEngine

  676. {

  677. public:

  678.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay, const bool withMidiOut,

  679.                       const uint32_t inChan = 2, uint32_t outChan = 2)

  680.         : CarlaEngine(),

  681.           pHost(host),

  682. #ifdef USE_JUCE_MESSAGE_THREAD

  683.           // if not running inside Carla, we will have to run event loop ourselves

  684.           kNeedsJuceMsgThread(host->dispatcher(pHost->handle,

  685.                                                NATIVE_HOST_OPCODE_INTERNAL_PLUGIN, 0, 0, nullptr, 0.0f) == 0),

  686.           fJuceMsgThread(),

  687. #endif

  688.           kIsPatchbay(isPatchbay),

  689.           kHasMidiOut(withMidiOut),

  690.           fIsActive(false),

  691.           fIsRunning(false),

  692.           fUiServer(this),

  693.           fOptionsForced(false)

  694.     {

  695.         carla_debug("CarlaEngineNative::CarlaEngineNative()");

  696. 

  697. #ifdef USE_JUCE_MESSAGE_THREAD

  698.         if (kNeedsJuceMsgThread)

  699.             fJuceMsgThread->incRef();

  700. #endif

  701. 

  702.         pData->bufferSize = pHost->get_buffer_size(pHost->handle);

  703.         pData->sampleRate = pHost->get_sample_rate(pHost->handle);

  704.         pData->initTime(nullptr);

  705. 

  706. #ifndef BUILD_BRIDGE

  707.         // Forced OSC setup when running as plugin

  708.         pData->options.oscEnabled = true;

  709.         pData->options.oscPortTCP = -1;

  710.         pData->options.oscPortUDP = 0;

  711. #endif

  712. 

  713.         if (outChan == 0)

  714.             outChan = inChan;

  715. 

  716.         // set-up engine

  717.         if (kIsPatchbay)

  718.         {

  719.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  720.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  721.             pData->options.forceStereo         = false;

  722.             pData->options.preferPluginBridges = false;

  723.             pData->options.preferUiBridges     = false;

  724.             init("Carla-Patchbay");

  725.             pData->graph.create(inChan, outChan);

  726.         }

  727.         else

  728.         {

  729.             CARLA_SAFE_ASSERT(inChan == 2);

  730.             CARLA_SAFE_ASSERT(outChan == 2);

  731.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  732.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  733.             pData->options.forceStereo         = true;

  734.             pData->options.preferPluginBridges = false;

  735.             pData->options.preferUiBridges     = false;

  736.             init("Carla-Rack");

  737.             pData->graph.create(0, 0); // FIXME?

  738.         }

  739. 

  740.         if (pData->options.resourceDir != nullptr)

  741.             delete[] pData->options.resourceDir;

  742.         if (pData->options.binaryDir != nullptr)

  743.             delete[] pData->options.binaryDir;

  744. 

  745.         pData->options.resourceDir = carla_strdup(pHost->resourceDir);

  746.         pData->options.binaryDir   = carla_strdup(carla_get_library_folder());

  747. 

  748.         setCallback(_ui_server_callback, this);

  749.         setFileCallback(_ui_file_callback, this);

  750.     }

  751. 

  752.     ~CarlaEngineNative() override

  753.     {

  754.         CARLA_SAFE_ASSERT(! fIsActive);

  755.         carla_debug("CarlaEngineNative::~CarlaEngineNative() - START");

  756. 

  757.         pData->aboutToClose = true;

  758.         fIsRunning = false;

  759. 

  760.         removeAllPlugins();

  761.         //runPendingRtEvents();

  762.         close();

  763. 

  764.         pData->graph.destroy();

  765. 

  766. #ifdef USE_JUCE_MESSAGE_THREAD

  767.         if (kNeedsJuceMsgThread)

  768.             fJuceMsgThread->decRef();

  769. #endif

  770. 

  771.         carla_debug("CarlaEngineNative::~CarlaEngineNative() - END");

  772.     }

  773. 

  774. protected:

  775.     // -------------------------------------

  776.     // CarlaEngine virtual calls

  777. 

  778.     bool init(const char* const clientName) override

  779.     {

  780.         carla_debug("CarlaEngineNative::init(\"%s\")", clientName);

  781. 

  782.         fIsRunning = true;

  783. 

  784.         if (! pData->init(clientName))

  785.         {

  786.             close();

  787.             setLastError("Failed to init internal data");

  788.             return false;

  789.         }

  790. 

  791.         pData->bufferSize = pHost->get_buffer_size(pHost->handle);

  792.         pData->sampleRate = pHost->get_sample_rate(pHost->handle);

  793. 

  794.         return true;

  795.     }

  796. 

  797.     bool close() override

  798.     {

  799.         fIsRunning = false;

  800.         CarlaEngine::close();

  801.         return true;

  802.     }

  803. 

  804.     bool isRunning() const noexcept override

  805.     {

  806.         return fIsRunning;

  807.     }

  808. 

  809.     bool isOffline() const noexcept override

  810.     {

  811.         return pHost->is_offline(pHost->handle);

  812.     }

  813. 

  814.     bool usesConstantBufferSize() const noexcept override

  815.     {

  816.         // TODO LV2 hosts can report this, till then we allow this

  817.         return true;

  818.     }

  819. 

  820.     EngineType getType() const noexcept override

  821.     {

  822.         return kEngineTypePlugin;

  823.     }

  824. 

  825.     const char* getCurrentDriverName() const noexcept override

  826.     {

  827.         return "Plugin";

  828.     }

  829. 

  830.     void callback(const bool sendHost, const bool sendOsc,

  831.                   const EngineCallbackOpcode action, const uint pluginId,

  832.                   const int value1, const int value2, const int value3,

  833.                   const float valuef, const char* const valueStr) noexcept override

  834.     {

  835.         CarlaEngine::callback(sendHost, sendOsc, action, pluginId, value1, value2, value3, valuef, valueStr);

  836. 

  837.         if (action == ENGINE_CALLBACK_IDLE && ! pData->aboutToClose) {

  838.             pHost->dispatcher(pHost->handle,

  839.                               NATIVE_HOST_OPCODE_HOST_IDLE,

  840.                               0, 0, nullptr, 0.0f);

  841.         }

  842.     }

  843. 

  844.     // -------------------------------------------------------------------

  845. 

  846.     const char* renamePlugin(const uint id, const char* const newName) override

  847.     {

  848.         if (const char* const retName = CarlaEngine::renamePlugin(id, newName))

  849.         {

  850.             uiServerCallback(ENGINE_CALLBACK_PLUGIN_RENAMED, id, 0, 0, 0, 0.0f, retName);

  851.             return retName;

  852.         }

  853. 

  854.         return nullptr;

  855.     }

  856. 

  857.     // -------------------------------------------------------------------

  858. 

  859.     void bufferSizeChanged(const uint32_t newBufferSize)

  860.     {

  861.         if (pData->bufferSize == newBufferSize)

  862.             return;

  863. 

  864.         {

  865.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  866. 

  867.             if (fUiServer.writeAndFixMessage("buffer-size"))

  868.             {

  869.                 char tmpBuf[STR_MAX];

  870.                 carla_zeroChars(tmpBuf, STR_MAX);

  871. 

  872.                 std::sprintf(tmpBuf, "%i\n", newBufferSize);

  873. 

  874.                 if (fUiServer.writeMessage(tmpBuf))

  875.                     fUiServer.flushMessages();

  876.             }

  877.         }

  878. 

  879.         pData->bufferSize = newBufferSize;

  880.         CarlaEngine::bufferSizeChanged(newBufferSize);

  881.     }

  882. 

  883.     void sampleRateChanged(const double newSampleRate)

  884.     {

  885.         if (carla_isEqual(pData->sampleRate, newSampleRate))

  886.             return;

  887. 

  888.         {

  889.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  890. 

  891.             if (fUiServer.writeAndFixMessage("sample-rate"))

  892.             {

  893.                 char tmpBuf[STR_MAX];

  894.                 carla_zeroChars(tmpBuf, STR_MAX);

  895. 

  896.                 {

  897.                     const CarlaScopedLocale csl;

  898.                     std::sprintf(tmpBuf, "%f\n", newSampleRate);

  899.                 }

  900. 

  901.                 if (fUiServer.writeMessage(tmpBuf))

  902.                     fUiServer.flushMessages();

  903.             }

  904.         }

  905. 

  906.         pData->sampleRate = newSampleRate;

  907.         CarlaEngine::sampleRateChanged(newSampleRate);

  908.     }

  909. 

  910.     // -------------------------------------------------------------------

  911. 

  912.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  913.     {

  914.         char tmpBuf[STR_MAX];

  915.         carla_zeroChars(tmpBuf, STR_MAX);

  916. 

  917.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  918. 

  919.         const uint pluginId(plugin->getId());

  920. 

  921.         std::sprintf(tmpBuf, "PLUGIN_INFO_%i\n", pluginId);

  922.         if (! fUiServer.writeMessage(tmpBuf))

  923.             return;

  924. 

  925.         std::sprintf(tmpBuf, "%i:%i:%i:" P_INT64 ":%i:%i\n", plugin->getType(), plugin->getCategory(), plugin->getHints(), plugin->getUniqueId(), plugin->getOptionsAvailable(), plugin->getOptionsEnabled());

  926.         if (! fUiServer.writeMessage(tmpBuf))

  927.             return;

  928. 

  929.         if (const char* const filename = plugin->getFilename())

  930.         {

  931.             std::sprintf(tmpBuf, "%s", filename);

  932.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  933.                 return;

  934.         }

  935.         else

  936.         {

  937.             if (! fUiServer.writeMessage("\n"))

  938.                 return;

  939.         }

  940. 

  941.         if (const char* const name = plugin->getName())

  942.         {

  943.             std::sprintf(tmpBuf, "%s", name);

  944.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  945.                 return;

  946.         }

  947.         else

  948.         {

  949.             if (! fUiServer.writeMessage("\n"))

  950.                 return;

  951.         }

  952. 

  953.         if (const char* const iconName = plugin->getIconName())

  954.         {

  955.             std::sprintf(tmpBuf, "%s", iconName);

  956.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  957.                 return;

  958.         }

  959.         else

  960.         {

  961.             if (! fUiServer.writeMessage("\n"))

  962.                 return;

  963.         }

  964. 

  965.         plugin->getRealName(tmpBuf);

  966.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  967.             return;

  968. 

  969.         plugin->getLabel(tmpBuf);

  970.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  971.             return;

  972. 

  973.         plugin->getMaker(tmpBuf);

  974.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  975.             return;

  976. 

  977.         plugin->getCopyright(tmpBuf);

  978.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  979.             return;

  980. 

  981.         std::sprintf(tmpBuf, "AUDIO_COUNT_%i:%i:%i\n", pluginId, plugin->getAudioInCount(), plugin->getAudioOutCount());

  982.         if (! fUiServer.writeMessage(tmpBuf))

  983.             return;

  984. 

  985.         std::sprintf(tmpBuf, "MIDI_COUNT_%i:%i:%i\n", pluginId, plugin->getMidiInCount(), plugin->getMidiOutCount());

  986.         if (! fUiServer.writeMessage(tmpBuf))

  987.             return;

  988. 

  989.         fUiServer.flushMessages();

  990.     }

  991. 

  992.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  993.     {

  994.         char tmpBuf[STR_MAX];

  995.         carla_zeroChars(tmpBuf, STR_MAX);

  996. 

  997.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  998.         const CarlaScopedLocale csl;

  999. 

  1000.         const uint pluginId(plugin->getId());

  1001. 

  1002.         for (int32_t i=PARAMETER_ACTIVE; i>PARAMETER_MAX; --i)

  1003.         {

  1004.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  1005.             if (! fUiServer.writeMessage(tmpBuf))

  1006.                 return;

  1007. 

  1008.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getInternalParameterValue(i)));

  1009.             if (! fUiServer.writeMessage(tmpBuf))

  1010.                 return;

  1011. 

  1012.             fUiServer.flushMessages();

  1013.         }

  1014. 

  1015.         uint32_t ins, outs, count;

  1016.         plugin->getParameterCountInfo(ins, outs);

  1017.         count = plugin->getParameterCount();

  1018. 

  1019.         std::sprintf(tmpBuf, "PARAMETER_COUNT_%i:%i:%i:%i\n", pluginId, ins, outs, count);

  1020.         if (! fUiServer.writeMessage(tmpBuf))

  1021.             return;

  1022. 

  1023.         for (uint32_t i=0; i<count; ++i)

  1024.         {

  1025.             const ParameterData& paramData(plugin->getParameterData(i));

  1026.             const ParameterRanges& paramRanges(plugin->getParameterRanges(i));

  1027. 

  1028.             std::sprintf(tmpBuf, "PARAMETER_DATA_%i:%i\n", pluginId, i);

  1029.             if (! fUiServer.writeMessage(tmpBuf))

  1030.                 return;

  1031. 

  1032.             std::sprintf(tmpBuf, "%i:%i:%i:%i\n", paramData.type, paramData.hints, paramData.midiChannel, paramData.midiCC);

  1033.             if (! fUiServer.writeMessage(tmpBuf))

  1034.                 return;

  1035. 

  1036.             plugin->getParameterName(i, tmpBuf);

  1037.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1038.                 return;

  1039. 

  1040.             plugin->getParameterUnit(i, tmpBuf);

  1041.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1042.                 return;

  1043. 

  1044.             std::sprintf(tmpBuf, "PARAMETER_RANGES_%i:%i\n", pluginId, i);

  1045.             if (! fUiServer.writeMessage(tmpBuf))

  1046.                 return;

  1047. 

  1048.             std::sprintf(tmpBuf, "%f:%f:%f:%f:%f:%f\n",

  1049.                          static_cast<double>(paramRanges.def),

  1050.                          static_cast<double>(paramRanges.min),

  1051.                          static_cast<double>(paramRanges.max),

  1052.                          static_cast<double>(paramRanges.step),

  1053.                          static_cast<double>(paramRanges.stepSmall),

  1054.                          static_cast<double>(paramRanges.stepLarge));

  1055.             if (! fUiServer.writeMessage(tmpBuf))

  1056.                 return;

  1057. 

  1058.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  1059.             if (! fUiServer.writeMessage(tmpBuf))

  1060.                 return;

  1061. 

  1062.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(i)));

  1063.             if (! fUiServer.writeMessage(tmpBuf))

  1064.                 return;

  1065.         }

  1066. 

  1067.         fUiServer.flushMessages();

  1068.     }

  1069. 

  1070.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  1071.     {

  1072.         char tmpBuf[STR_MAX];

  1073.         carla_zeroChars(tmpBuf, STR_MAX);

  1074. 

  1075.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1076. 

  1077.         const uint pluginId(plugin->getId());

  1078. 

  1079.         uint32_t count = plugin->getProgramCount();

  1080.         std::sprintf(tmpBuf, "PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentProgram());

  1081.         if (! fUiServer.writeMessage(tmpBuf))

  1082.             return;

  1083. 

  1084.         for (uint32_t i=0; i<count; ++i)

  1085.         {

  1086.             std::sprintf(tmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);

  1087.             if (! fUiServer.writeMessage(tmpBuf))

  1088.                 return;

  1089. 

  1090.             plugin->getProgramName(i, tmpBuf);

  1091.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1092.                 return;

  1093.         }

  1094. 

  1095.         fUiServer.flushMessages();

  1096. 

  1097.         count = plugin->getMidiProgramCount();

  1098.         std::sprintf(tmpBuf, "MIDI_PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentMidiProgram());

  1099.         if (! fUiServer.writeMessage(tmpBuf))

  1100.             return;

  1101. 

  1102.         for (uint32_t i=0; i<count; ++i)

  1103.         {

  1104.             std::sprintf(tmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);

  1105.             if (! fUiServer.writeMessage(tmpBuf))

  1106.                 return;

  1107. 

  1108.             const MidiProgramData& mpData(plugin->getMidiProgramData(i));

  1109. 

  1110.             std::sprintf(tmpBuf, "%i:%i\n", mpData.bank, mpData.program);

  1111.             if (! fUiServer.writeMessage(tmpBuf))

  1112.                 return;

  1113. 

  1114.             std::sprintf(tmpBuf, "%s", mpData.name);

  1115.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1116.                 return;

  1117.         }

  1118. 

  1119.         fUiServer.flushMessages();

  1120.     }

  1121. 

  1122.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  1123.     {

  1124.         char tmpBuf[STR_MAX];

  1125.         carla_zeroChars(tmpBuf, STR_MAX);

  1126. 

  1127.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1128. 

  1129.         const uint pluginId(plugin->getId());

  1130. 

  1131.         uint32_t count = plugin->getCustomDataCount();

  1132.         std::sprintf(tmpBuf, "CUSTOM_DATA_COUNT_%i:%i\n", pluginId, count);

  1133.         if (! fUiServer.writeMessage(tmpBuf))

  1134.             return;

  1135. 

  1136.         for (uint32_t i=0; i<count; ++i)

  1137.         {

  1138.             const CustomData& customData(plugin->getCustomData(i));

  1139.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  1140. 

  1141.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_PROPERTY) != 0)

  1142.                 continue;

  1143. 

  1144.             std::sprintf(tmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  1145.             if (! fUiServer.writeMessage(tmpBuf))

  1146.                 return;

  1147. 

  1148.             if (! fUiServer.writeAndFixMessage(customData.type))

  1149.                 return;

  1150.             if (! fUiServer.writeAndFixMessage(customData.key))

  1151.                 return;

  1152.             if (! fUiServer.writeAndFixMessage(customData.value))

  1153.                 return;

  1154.         }

  1155. 

  1156.         fUiServer.flushMessages();

  1157.     }

  1158. 

  1159.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId,

  1160.                           const int value1, const int value2, const int value3,

  1161.                           const float valuef, const char* const valueStr)

  1162.     {

  1163.         if (! fIsRunning)

  1164.             return;

  1165.         if (! fUiServer.isPipeRunning())

  1166.             return;

  1167. 

  1168.         CarlaPlugin* plugin;

  1169. 

  1170.         switch (action)

  1171.         {

  1172.         case ENGINE_CALLBACK_UPDATE:

  1173.             plugin = getPlugin(pluginId);

  1174. 

  1175.             if (plugin != nullptr && plugin->isEnabled())

  1176.             {

  1177.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1178.                 uiServerSendPluginProperties(plugin);

  1179.             }

  1180.             break;

  1181. 

  1182.         case ENGINE_CALLBACK_RELOAD_INFO:

  1183.             plugin = getPlugin(pluginId);

  1184. 

  1185.             if (plugin != nullptr && plugin->isEnabled())

  1186.             {

  1187.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1188.                 uiServerSendPluginInfo(plugin);

  1189.             }

  1190.             break;

  1191. 

  1192.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1193.             plugin = getPlugin(pluginId);

  1194. 

  1195.             if (plugin != nullptr && plugin->isEnabled())

  1196.             {

  1197.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1198.                 uiServerSendPluginParameters(plugin);

  1199.             }

  1200.             break;

  1201. 

  1202.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1203.             plugin = getPlugin(pluginId);

  1204. 

  1205.             if (plugin != nullptr && plugin->isEnabled())

  1206.             {

  1207.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1208.                 uiServerSendPluginPrograms(plugin);

  1209.             }

  1210.             break;

  1211. 

  1212.         case ENGINE_CALLBACK_RELOAD_ALL:

  1213.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1214.             plugin = getPlugin(pluginId);

  1215. 

  1216.             if (plugin != nullptr && plugin->isEnabled())

  1217.             {

  1218.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1219.                 uiServerSendPluginInfo(plugin);

  1220.                 uiServerSendPluginParameters(plugin);

  1221.                 uiServerSendPluginPrograms(plugin);

  1222.                 uiServerSendPluginProperties(plugin);

  1223.             }

  1224.             break;

  1225. 

  1226.         default:

  1227.             break;

  1228.         }

  1229. 

  1230.         char tmpBuf[STR_MAX];

  1231.         carla_zeroChars(tmpBuf, STR_MAX);

  1232. 

  1233.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1234. 

  1235.         std::sprintf(tmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1236.         if (! fUiServer.writeMessage(tmpBuf))

  1237.             return;

  1238.         std::sprintf(tmpBuf, "%u\n", pluginId);

  1239.         if (! fUiServer.writeMessage(tmpBuf))

  1240.             return;

  1241.         std::sprintf(tmpBuf, "%i\n", value1);

  1242.         if (! fUiServer.writeMessage(tmpBuf))

  1243.             return;

  1244.         std::sprintf(tmpBuf, "%i\n", value2);

  1245.         if (! fUiServer.writeMessage(tmpBuf))

  1246.             return;

  1247.         std::sprintf(tmpBuf, "%i\n", value3);

  1248.         if (! fUiServer.writeMessage(tmpBuf))

  1249.             return;

  1250.         {

  1251.             const CarlaScopedLocale csl;

  1252.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(valuef));

  1253.         }

  1254.         if (! fUiServer.writeMessage(tmpBuf))

  1255.             return;

  1256.         if (! fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : ""))

  1257.             return;

  1258. 

  1259.         fUiServer.flushMessages();

  1260.     }

  1261. 

  1262.     const char* uiFileCallback(FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  1263.     {

  1264.         switch (action)

  1265.         {

  1266.         case FILE_CALLBACK_DEBUG:

  1267.             return nullptr;

  1268. 

  1269.         case FILE_CALLBACK_OPEN:

  1270.             return pHost->ui_open_file(pHost->handle, isDir, title, filter);

  1271. 

  1272.         case FILE_CALLBACK_SAVE:

  1273.             return pHost->ui_save_file(pHost->handle, isDir, title, filter);

  1274.         }

  1275. 

  1276.         return nullptr;

  1277.     }

  1278. 

  1279.     void uiServerInfo()

  1280.     {

  1281.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1282.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1283. 

  1284.         char tmpBuf[STR_MAX];

  1285.         carla_zeroChars(tmpBuf, STR_MAX);

  1286. 

  1287.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1288. 

  1289. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1290.         if (! fUiServer.writeAndFixMessage("osc-urls"))

  1291.             return;

  1292.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP()))

  1293.             return;

  1294.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP()))

  1295.             return;

  1296. #endif

  1297. 

  1298.         if (! fUiServer.writeAndFixMessage("max-plugin-number"))

  1299.             return;

  1300.         std::sprintf(tmpBuf, "%i\n", pData->maxPluginNumber);

  1301.         if (! fUiServer.writeMessage(tmpBuf))

  1302.             return;

  1303. 

  1304.         if (! fUiServer.writeAndFixMessage("buffer-size"))

  1305.             return;

  1306.         std::sprintf(tmpBuf, "%i\n", pData->bufferSize);

  1307.         if (! fUiServer.writeMessage(tmpBuf))

  1308.             return;

  1309. 

  1310.         if (! fUiServer.writeAndFixMessage("sample-rate"))

  1311.             return;

  1312.         {

  1313.             const CarlaScopedLocale csl;

  1314.             std::sprintf(tmpBuf, "%f\n", pData->sampleRate);

  1315.         }

  1316.         if (! fUiServer.writeMessage(tmpBuf))

  1317.             return;

  1318. 

  1319.         fUiServer.flushMessages();

  1320.     }

  1321. 

  1322.     void uiServerOptions()

  1323.     {

  1324.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1325.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1326. 

  1327.         char tmpBuf[STR_MAX];

  1328.         carla_zeroChars(tmpBuf, STR_MAX);

  1329. 

  1330.         const EngineOptions& options(pData->options);

  1331.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1332. 

  1333.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1334.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1335. 

  1336.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1337.         if (! fUiServer.writeMessage(tmpBuf))

  1338.             return;

  1339.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1340.             return;

  1341.         std::sprintf(tmpBuf, "%i\n", options.processMode);

  1342.         if (! fUiServer.writeMessage(tmpBuf))

  1343.             return;

  1344.         fUiServer.flushMessages();

  1345. 

  1346.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1347.         if (! fUiServer.writeMessage(tmpBuf))

  1348.             return;

  1349.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1350.             return;

  1351.         std::sprintf(tmpBuf, "%i\n", options.transportMode);

  1352.         if (! fUiServer.writeMessage(tmpBuf))

  1353.             return;

  1354.         fUiServer.flushMessages();

  1355. 

  1356.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1357.         if (! fUiServer.writeMessage(tmpBuf))

  1358.             return;

  1359.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1360.             return;

  1361.         if (! fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n"))

  1362.             return;

  1363.         fUiServer.flushMessages();

  1364. 

  1365.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1366.         if (! fUiServer.writeMessage(tmpBuf))

  1367.             return;

  1368.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1369.             return;

  1370.         if (! fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n"))

  1371.             return;

  1372.         fUiServer.flushMessages();

  1373. 

  1374.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1375.         if (! fUiServer.writeMessage(tmpBuf))

  1376.             return;

  1377.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1378.             return;

  1379.         if (! fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n"))

  1380.             return;

  1381.         fUiServer.flushMessages();

  1382. 

  1383.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1384.         if (! fUiServer.writeMessage(tmpBuf))

  1385.             return;

  1386.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1387.             return;

  1388.         if (! fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n"))

  1389.             return;

  1390.         fUiServer.flushMessages();

  1391. 

  1392.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1393.         if (! fUiServer.writeMessage(tmpBuf))

  1394.             return;

  1395.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1396.             return;

  1397.         std::sprintf(tmpBuf, "%i\n", options.maxParameters);

  1398.         if (! fUiServer.writeMessage(tmpBuf))

  1399.             return;

  1400.         fUiServer.flushMessages();

  1401. 

  1402.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1403.         if (! fUiServer.writeMessage(tmpBuf))

  1404.             return;

  1405.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1406.             return;

  1407.         std::sprintf(tmpBuf, "%i\n", options.uiBridgesTimeout);

  1408.         if (! fUiServer.writeMessage(tmpBuf))

  1409.             return;

  1410.         fUiServer.flushMessages();

  1411. 

  1412.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1413.         if (! fUiServer.writeMessage(tmpBuf))

  1414.             return;

  1415.         if (! fUiServer.writeMessage("true\n", 5))

  1416.             return;

  1417.         std::sprintf(tmpBuf, "%s\n", options.binaryDir);

  1418.         if (! fUiServer.writeMessage(tmpBuf))

  1419.             return;

  1420.         fUiServer.flushMessages();

  1421. 

  1422.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1423.         if (! fUiServer.writeMessage(tmpBuf))

  1424.             return;

  1425.         if (! fUiServer.writeMessage("true\n", 5))

  1426.             return;

  1427.         std::sprintf(tmpBuf, "%s\n", options.resourceDir);

  1428.         if (! fUiServer.writeMessage(tmpBuf))

  1429.             return;

  1430.         fUiServer.flushMessages();

  1431.     }

  1432. 

  1433.     // -------------------------------------------------------------------

  1434.     // Plugin parameter calls

  1435. 

  1436.     uint32_t getParameterCount() const

  1437.     {

  1438.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1439.             return plugin->getParameterCount();

  1440. 

  1441.         return 0;

  1442.     }

  1443. 

  1444.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1445.     {

  1446.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1447.         {

  1448.             if (index < plugin->getParameterCount())

  1449.             {

  1450.                 static NativeParameter param;

  1451.                 static char strBufName[STR_MAX+1];

  1452.                 static char strBufUnit[STR_MAX+1];

  1453. 

  1454.                 const ParameterData& paramData(plugin->getParameterData(index));

  1455.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1456. 

  1457.                 plugin->getParameterName(index, strBufName);

  1458.                 plugin->getParameterUnit(index, strBufUnit);

  1459. 

  1460.                 uint hints = 0x0;

  1461. 

  1462.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1463.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1464.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1465.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1466.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1467.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1468.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1469.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1470.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1471.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1472.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1473.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1474. 

  1475.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1476.                 {

  1477.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1478.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1479.                     if (paramData.type == PARAMETER_OUTPUT)

  1480.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1481.                 }

  1482. 

  1483.                 param.hints = static_cast<NativeParameterHints>(hints);

  1484.                 param.name  = strBufName;

  1485.                 param.unit  = strBufUnit;

  1486.                 param.ranges.def = paramRanges.def;

  1487.                 param.ranges.min = paramRanges.min;

  1488.                 param.ranges.max = paramRanges.max;

  1489.                 param.ranges.step = paramRanges.step;

  1490.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1491.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1492.                 param.scalePointCount = 0; // TODO

  1493.                 param.scalePoints = nullptr;

  1494. 

  1495.                 return &param;

  1496.             }

  1497.         }

  1498. 

  1499.         return nullptr;

  1500.     }

  1501. 

  1502.     float getParameterValue(const uint32_t index) const

  1503.     {

  1504.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1505.         {

  1506.             if (index < plugin->getParameterCount())

  1507.                 return plugin->getParameterValue(index);

  1508.         }

  1509. 

  1510.         return 0.0f;

  1511.     }

  1512. 

  1513.     // -------------------------------------------------------------------

  1514.     // Plugin midi-program calls

  1515. 

  1516.     uint32_t getMidiProgramCount() const

  1517.     {

  1518.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1519.             return plugin->getMidiProgramCount();

  1520. 

  1521.         return 0;

  1522.     }

  1523. 

  1524.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1525.     {

  1526.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1527.         {

  1528.             if (index < plugin->getMidiProgramCount())

  1529.             {

  1530.                 static NativeMidiProgram midiProg;

  1531. 

  1532.                 {

  1533.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1534. 

  1535.                     midiProg.bank    = midiProgData.bank;

  1536.                     midiProg.program = midiProgData.program;

  1537.                     midiProg.name    = midiProgData.name;

  1538.                 }

  1539. 

  1540.                 return &midiProg;

  1541.             }

  1542.         }

  1543. 

  1544.         return nullptr;

  1545.     }

  1546. 

  1547.     // -------------------------------------------------------------------

  1548.     // Plugin state calls

  1549. 

  1550.     void setParameterValue(const uint32_t index, const float value)

  1551.     {

  1552.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1553.         {

  1554.             if (index < plugin->getParameterCount())

  1555.                 plugin->setParameterValue(index, value, false, false, false);

  1556.         }

  1557.     }

  1558. 

  1559.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1560.     {

  1561.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1562.             plugin->setMidiProgramById(bank, program, false, false, false);

  1563.     }

  1564. 

  1565.     // -------------------------------------------------------------------

  1566.     // Plugin process calls

  1567. 

  1568.     void activate()

  1569.     {

  1570. #if 0

  1571.         for (uint i=0; i < pData->curPluginCount; ++i)

  1572.         {

  1573.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1574. 

  1575.             if (plugin == nullptr || ! plugin->isEnabled())

  1576.                 continue;

  1577. 

  1578.             plugin->setActive(true, true, false);

  1579.         }

  1580. #endif

  1581.         fIsActive = true;

  1582.     }

  1583. 

  1584.     void deactivate()

  1585.     {

  1586.         fIsActive = false;

  1587. #if 0

  1588.         for (uint i=0; i < pData->curPluginCount; ++i)

  1589.         {

  1590.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1591. 

  1592.             if (plugin == nullptr || ! plugin->isEnabled())

  1593.                 continue;

  1594. 

  1595.             plugin->setActive(false, true, false);

  1596.         }

  1597. #endif

  1598. 

  1599.         // just in case

  1600.         //runPendingRtEvents();

  1601.     }

  1602. 

  1603.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1604.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1605.     {

  1606.         if (frames > pData->bufferSize)

  1607.         {

  1608.             carla_stderr2("Host is calling process with too high number of frames! %u vs %u",

  1609.                           frames, pData->bufferSize);

  1610. 

  1611.             deactivate();

  1612.             bufferSizeChanged(frames);

  1613.             activate();

  1614.         }

  1615. 

  1616.         const PendingRtEventsRunner prt(this, frames, true);

  1617. 

  1618.         // ---------------------------------------------------------------

  1619.         // Time Info

  1620. 

  1621.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1622. 

  1623.         pData->timeInfo.playing   = timeInfo->playing;

  1624.         pData->timeInfo.frame     = timeInfo->frame;

  1625.         pData->timeInfo.usecs     = timeInfo->usecs;

  1626.         pData->timeInfo.bbt.valid = timeInfo->bbt.valid;

  1627. 

  1628.         if (timeInfo->bbt.valid)

  1629.         {

  1630.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1631.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1632.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1633.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1634. 

  1635.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1636.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1637. 

  1638.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1639.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1640.         }

  1641. 

  1642.         // ---------------------------------------------------------------

  1643.         // Do nothing if no plugins and rack mode

  1644. 

  1645.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1646.         {

  1647.             if (outBuffer[0] != inBuffer[0])

  1648.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1649. 

  1650.             if (outBuffer[1] != inBuffer[1])

  1651.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1652. 

  1653.             for (uint32_t i=0; i < midiEventCount; ++i)

  1654.             {

  1655.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1656.                     break;

  1657.             }

  1658.             return;

  1659.         }

  1660. 

  1661.         // ---------------------------------------------------------------

  1662.         // initialize events

  1663. 

  1664.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1665.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1666. 

  1667.         // ---------------------------------------------------------------

  1668.         // events input (before processing)

  1669. 

  1670.         {

  1671.             uint32_t engineEventIndex = 0;

  1672. 

  1673.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1674.             {

  1675.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1676.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1677. 

  1678.                 engineEvent.time = midiEvent.time;

  1679.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1680. 

  1681.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1682.                     break;

  1683.             }

  1684.         }

  1685. 

  1686.         if (kIsPatchbay)

  1687.         {

  1688.             // -----------------------------------------------------------

  1689.             // process

  1690. 

  1691.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1692.         }

  1693.         else

  1694.         {

  1695.             // -----------------------------------------------------------

  1696.             // create audio buffers

  1697. 

  1698.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1699.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1700. 

  1701.             // -----------------------------------------------------------

  1702.             // process

  1703. 

  1704.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1705.         }

  1706. 

  1707.         // ---------------------------------------------------------------

  1708.         // events output (after processing)

  1709. 

  1710.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1711. 

  1712.         if (kHasMidiOut)

  1713.         {

  1714.             NativeMidiEvent midiEvent;

  1715. 

  1716.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1717.             {

  1718.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1719. 

  1720.                 if (engineEvent.type == kEngineEventTypeNull)

  1721.                     break;

  1722. 

  1723.                 carla_zeroStruct(midiEvent);

  1724.                 midiEvent.time = engineEvent.time;

  1725. 

  1726.                 /**/ if (engineEvent.type == kEngineEventTypeControl)

  1727.                 {

  1728.                     midiEvent.port = 0;

  1729.                     midiEvent.size = engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.data);

  1730.                 }

  1731.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1732.                 {

  1733.                     if (engineEvent.midi.size > 4)

  1734.                         continue;

  1735. 

  1736.                     midiEvent.port = engineEvent.midi.port;

  1737.                     midiEvent.size = engineEvent.midi.size;

  1738. 

  1739.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] | (engineEvent.channel & MIDI_CHANNEL_BIT));

  1740. 

  1741.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1742.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1743.                 }

  1744.                 else

  1745.                 {

  1746.                     continue;

  1747.                 }

  1748. 

  1749.                 if (midiEvent.size > 0)

  1750.                     pHost->write_midi_event(pHost->handle, &midiEvent);

  1751.             }

  1752.         }

  1753.     }

  1754. 

  1755.     // -------------------------------------------------------------------

  1756.     // Plugin UI calls

  1757. 

  1758.     void uiShow(const bool show)

  1759.     {

  1760.         if (show)

  1761.         {

  1762.             if (fUiServer.isPipeRunning())

  1763.             {

  1764.                 fUiServer.writeFocusMessage();

  1765.                 return;

  1766.             }

  1767. 

  1768.             CarlaString path(pHost->resourceDir);

  1769. 

  1770.             if (kIsPatchbay)

  1771.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1772.             else

  1773.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1774. #ifdef CARLA_OS_WIN

  1775.             path += ".exe";

  1776. #endif

  1777.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1778. 

  1779.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1780. 

  1781.             if (! fUiServer.startPipeServer(false))

  1782.             {

  1783.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1784.                 return;

  1785.             }

  1786. 

  1787.             uiServerInfo();

  1788.             uiServerOptions();

  1789.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED,

  1790.                              pData->curPluginCount,

  1791.                              pData->options.processMode,

  1792.                              pData->options.transportMode,

  1793.                              static_cast<int>(pData->bufferSize),

  1794.                              static_cast<float>(pData->sampleRate),

  1795.                              "Plugin");

  1796. 

  1797.             fUiServer.writeShowMessage();

  1798. 

  1799.             for (uint i=0; i < pData->curPluginCount; ++i)

  1800.             {

  1801.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1802. 

  1803.                 if (plugin != nullptr && plugin->isEnabled())

  1804.                 {

  1805.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0, 0.0f, plugin->getName());

  1806.                 }

  1807.             }

  1808. 

  1809.             if (kIsPatchbay)

  1810.                 patchbayRefresh(true, false, false);

  1811.         }

  1812.         else

  1813.         {

  1814.             fUiServer.stopPipeServer(2000);

  1815. 

  1816.             // hide all custom uis

  1817.             for (uint i=0; i < pData->curPluginCount; ++i)

  1818.             {

  1819.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1820. 

  1821.                 if (plugin != nullptr && plugin->isEnabled())

  1822.                 {

  1823.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1824.                     {

  1825.                         try {

  1826.                             plugin->showCustomUI(false);

  1827.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1828.                     }

  1829.                 }

  1830.             }

  1831.         }

  1832.     }

  1833. 

  1834.     void uiIdle()

  1835.     {

  1836.         for (uint i=0; i < pData->curPluginCount; ++i)

  1837.         {

  1838.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1839. 

  1840.             if (plugin != nullptr && plugin->isEnabled())

  1841.             {

  1842.                 const uint hints(plugin->getHints());

  1843. 

  1844.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1845.                 {

  1846.                     try {

  1847.                         plugin->uiIdle();

  1848.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1849.                 }

  1850.             }

  1851.         }

  1852. 

  1853.         idlePipe();

  1854. 

  1855.         switch (fUiServer.getAndResetUiState())

  1856.         {

  1857.         case CarlaExternalUI::UiNone:

  1858.         case CarlaExternalUI::UiShow:

  1859.             break;

  1860.         case CarlaExternalUI::UiCrashed:

  1861.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1862.             break;

  1863.         case CarlaExternalUI::UiHide:

  1864.             pHost->ui_closed(pHost->handle);

  1865.             fUiServer.stopPipeServer(1000);

  1866.             break;

  1867.         }

  1868.     }

  1869. 

  1870.     void idlePipe()

  1871.     {

  1872.         if (! fUiServer.isPipeRunning())

  1873.             return;

  1874. 

  1875.         fUiServer.idlePipe();

  1876. 

  1877.         char tmpBuf[STR_MAX];

  1878.         carla_zeroChars(tmpBuf, STR_MAX);

  1879. 

  1880.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1881.         const CarlaScopedLocale csl;

  1882.         const EngineTimeInfo& timeInfo(pData->timeInfo);

  1883. 

  1884.         // ------------------------------------------------------------------------------------------------------------

  1885.         // send engine info

  1886. 

  1887.         if (! fUiServer.writeAndFixMessage("runtime-info"))

  1888.             return;

  1889.         std::sprintf(tmpBuf, "%f:0\n", static_cast<double>(getDSPLoad()));

  1890.         if (! fUiServer.writeMessage(tmpBuf))

  1891.             return;

  1892. 

  1893.         fUiServer.flushMessages();

  1894. 

  1895.         // ------------------------------------------------------------------------------------------------------------

  1896.         // send transport

  1897. 

  1898.         if (! fUiServer.writeAndFixMessage("transport"))

  1899.             return;

  1900.         if (! fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n"))

  1901.             return;

  1902. 

  1903.         if (timeInfo.bbt.valid)

  1904.         {

  1905.             std::sprintf(tmpBuf, P_UINT64 ":%i:%i:%i\n",

  1906.                          timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, static_cast<int>(timeInfo.bbt.tick + 0.5));

  1907.             if (! fUiServer.writeMessage(tmpBuf))

  1908.                 return;

  1909. 

  1910.             std::sprintf(tmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1911.             if (! fUiServer.writeMessage(tmpBuf))

  1912.                 return;

  1913.         }

  1914.         else

  1915.         {

  1916.             std::sprintf(tmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1917.             if (! fUiServer.writeMessage(tmpBuf))

  1918.                 return;

  1919. 

  1920.             if (! fUiServer.writeMessage("0.0\n"))

  1921.                 return;

  1922.         }

  1923. 

  1924.         fUiServer.flushMessages();

  1925. 

  1926.         // ------------------------------------------------------------------------------------------------------------

  1927.         // send peaks and param outputs for all plugins

  1928. 

  1929.         for (uint i=0; i < pData->curPluginCount; ++i)

  1930.         {

  1931.             const EnginePluginData& plugData(pData->plugins[i]);

  1932.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1933. 

  1934.             std::sprintf(tmpBuf, "PEAKS_%i\n", i);

  1935.             if (! fUiServer.writeMessage(tmpBuf))

  1936.                 return;

  1937. 

  1938.             std::sprintf(tmpBuf, "%f:%f:%f:%f\n",

  1939.                          static_cast<double>(plugData.peaks[0]),

  1940.                          static_cast<double>(plugData.peaks[1]),

  1941.                          static_cast<double>(plugData.peaks[2]),

  1942.                          static_cast<double>(plugData.peaks[3]));

  1943.             if (! fUiServer.writeMessage(tmpBuf))

  1944.                 return;

  1945. 

  1946.             fUiServer.flushMessages();

  1947. 

  1948.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1949.             {

  1950.                 if (! plugin->isParameterOutput(j))

  1951.                     continue;

  1952. 

  1953.                 std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1954.                 if (! fUiServer.writeMessage(tmpBuf))

  1955.                     return;

  1956. 

  1957.                 std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(j)));

  1958.                 if (! fUiServer.writeMessage(tmpBuf))

  1959.                     return;

  1960. 

  1961.                 fUiServer.flushMessages();

  1962.             }

  1963.         }

  1964.     }

  1965. 

  1966.     // -------------------------------------------------------------------

  1967.     // Plugin state calls

  1968. 

  1969.     char* getState() const

  1970.     {

  1971.         MemoryOutputStream out;

  1972.         saveProjectInternal(out);

  1973.         return strdup(out.toString().toRawUTF8());

  1974.     }

  1975. 

  1976.     void setState(const char* const data)

  1977.     {

  1978.         // remove all plugins from UI side

  1979.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1980.             CarlaEngine::callback(true, true, ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0, 0.0f, nullptr);

  1981. 

  1982.         // remove all plugins from backend, no lock

  1983.         fIsRunning = false;

  1984.         removeAllPlugins();

  1985.         fIsRunning = true;

  1986. 

  1987.         // stopped during removeAllPlugins()

  1988.         if (! pData->thread.isThreadRunning())

  1989.             pData->thread.startThread();

  1990. 

  1991.         fOptionsForced = true;

  1992.         const String state(data);

  1993.         XmlDocument xml(state);

  1994.         loadProjectInternal(xml);

  1995.     }

  1996. 

  1997.     // -------------------------------------------------------------------

  1998. 

  1999. public:

  2000.     #define handlePtr ((CarlaEngineNative*)handle)

  2001. 

  2002.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  2003.     {

  2004.         return new CarlaEngineNative(host, false, true);

  2005.     }

  2006. 

  2007.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  2008.     {

  2009.         return new CarlaEngineNative(host, false, false);

  2010.     }

  2011. 

  2012.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  2013.     {

  2014.         return new CarlaEngineNative(host, true, true);

  2015.     }

  2016. 

  2017.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  2018.     {

  2019.         return new CarlaEngineNative(host, true, true, 3, 2);

  2020.     }

  2021. 

  2022.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  2023.     {

  2024.         return new CarlaEngineNative(host, true, true, 16, 16);

  2025.     }

  2026. 

  2027.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  2028.     {

  2029.         return new CarlaEngineNative(host, true, true, 32, 32);

  2030.     }

  2031. 

  2032.     static void _cleanup(NativePluginHandle handle)

  2033.     {

  2034.         delete handlePtr;

  2035.     }

  2036. 

  2037.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  2038.     {

  2039.         return handlePtr->getParameterCount();

  2040.     }

  2041. 

  2042.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  2043.     {

  2044.         return handlePtr->getParameterInfo(index);

  2045.     }

  2046. 

  2047.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  2048.     {

  2049.         return handlePtr->getParameterValue(index);

  2050.     }

  2051. 

  2052.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  2053.     {

  2054.         return handlePtr->getMidiProgramCount();

  2055.     }

  2056. 

  2057.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  2058.     {

  2059.         return handlePtr->getMidiProgramInfo(index);

  2060.     }

  2061. 

  2062.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  2063.     {

  2064.         handlePtr->setParameterValue(index, value);

  2065.     }

  2066. 

  2067.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  2068.     {

  2069.         handlePtr->setMidiProgram(channel, bank, program);

  2070.     }

  2071. 

  2072.     static void _ui_show(NativePluginHandle handle, bool show)

  2073.     {

  2074.         handlePtr->uiShow(show);

  2075.     }

  2076. 

  2077.     static void _ui_idle(NativePluginHandle handle)

  2078.     {

  2079.         handlePtr->uiIdle();

  2080.     }

  2081. 

  2082.     static void _activate(NativePluginHandle handle)

  2083.     {

  2084.         handlePtr->activate();

  2085.     }

  2086. 

  2087.     static void _deactivate(NativePluginHandle handle)

  2088.     {

  2089.         handlePtr->deactivate();

  2090.     }

  2091. 

  2092.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  2093.     {

  2094.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  2095.     }

  2096. 

  2097.     static char* _get_state(NativePluginHandle handle)

  2098.     {

  2099.         return handlePtr->getState();

  2100.     }

  2101. 

  2102.     static void _set_state(NativePluginHandle handle, const char* data)

  2103.     {

  2104.         handlePtr->setState(data);

  2105.     }

  2106. 

  2107.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2108.     {

  2109.         switch(opcode)

  2110.         {

  2111.         case NATIVE_PLUGIN_OPCODE_NULL:

  2112.             return 0;

  2113.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  2114.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  2115.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  2116.             return 0;

  2117.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  2118.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0f, 0);

  2119.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  2120.             return 0;

  2121.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  2122.             handlePtr->offlineModeChanged(value != 0);

  2123.             return 0;

  2124.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  2125.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  2126.             return 0;

  2127.         case NATIVE_PLUGIN_OPCODE_GET_INTERNAL_HANDLE: {

  2128.             CarlaEngineNative* const engine = handlePtr;

  2129.             return (intptr_t)(CarlaEngine*)engine;

  2130.         }

  2131.         }

  2132. 

  2133.         return 0;

  2134. 

  2135.         // unused

  2136.         (void)index;

  2137.         (void)ptr;

  2138.     }

  2139. 

  2140.     // -------------------------------------------------------------------

  2141. 

  2142.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId,

  2143.                                     int value1, int value2, int value3,

  2144.                                     float valuef, const char* valueStr)

  2145.     {

  2146.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valuef, valueStr);

  2147.     }

  2148. 

  2149.     static const char* _ui_file_callback(void* handle, FileCallbackOpcode action, bool isDir,

  2150.                                          const char* title, const char* filter)

  2151.     {

  2152.         return handlePtr->uiFileCallback(action, isDir, title, filter);

  2153.     }

  2154. 

  2155.     // -------------------------------------------------------------------

  2156. 

  2157.     #undef handlePtr

  2158. 

  2159. private:

  2160.     const NativeHostDescriptor* const pHost;

  2161. 

  2162. #ifdef USE_JUCE_MESSAGE_THREAD

  2163.     const bool kNeedsJuceMsgThread;

  2164.     const juce::SharedResourcePointer<SharedJuceMessageThread> fJuceMsgThread;

  2165. #endif

  2166. 

  2167.     const bool kIsPatchbay; // rack if false

  2168.     const bool kHasMidiOut;

  2169.     bool fIsActive, fIsRunning;

  2170.     CarlaEngineNativeUI fUiServer;

  2171. 

  2172.     bool fOptionsForced;

  2173. 

  2174.     CarlaPlugin* _getFirstPlugin() const noexcept

  2175.     {

  2176.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  2177.             return nullptr;

  2178. 

  2179.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  2180. 

  2181.         if (plugin == nullptr || ! plugin->isEnabled())

  2182.             return nullptr;

  2183. 

  2184.         return pData->plugins[0].plugin;

  2185.     }

  2186. 

  2187.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  2188. };

  2189. 

  2190. // -----------------------------------------------------------------------

  2191. 

  2192. static const NativePluginDescriptor carlaRackDesc = {

  2193.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2194.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2195.                                                   |NATIVE_PLUGIN_HAS_UI

  2196.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2197.                                                   |NATIVE_PLUGIN_USES_STATE

  2198.                                                   |NATIVE_PLUGIN_USES_TIME),

  2199.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2200.     /* audioIns  */ 2,

  2201.     /* audioOuts */ 2,

  2202.     /* midiIns   */ 1,

  2203.     /* midiOuts  */ 1,

  2204.     /* paramIns  */ 0,

  2205.     /* paramOuts */ 0,

  2206.     /* name      */ "Carla-Rack",

  2207.     /* label     */ "carlarack",

  2208.     /* maker     */ "falkTX",

  2209.     /* copyright */ "GNU GPL v2+",

  2210.     CarlaEngineNative::_instantiateRack,

  2211.     CarlaEngineNative::_cleanup,

  2212.     CarlaEngineNative::_get_parameter_count,

  2213.     CarlaEngineNative::_get_parameter_info,

  2214.     CarlaEngineNative::_get_parameter_value,

  2215.     CarlaEngineNative::_get_midi_program_count,

  2216.     CarlaEngineNative::_get_midi_program_info,

  2217.     CarlaEngineNative::_set_parameter_value,

  2218.     CarlaEngineNative::_set_midi_program,

  2219.     /* _set_custom_data        */ nullptr,

  2220.     CarlaEngineNative::_ui_show,

  2221.     CarlaEngineNative::_ui_idle,

  2222.     /* _ui_set_parameter_value */ nullptr,

  2223.     /* _ui_set_midi_program    */ nullptr,

  2224.     /* _ui_set_custom_data     */ nullptr,

  2225.     CarlaEngineNative::_activate,

  2226.     CarlaEngineNative::_deactivate,

  2227.     CarlaEngineNative::_process,

  2228.     CarlaEngineNative::_get_state,

  2229.     CarlaEngineNative::_set_state,

  2230.     CarlaEngineNative::_dispatcher

  2231. };

  2232. 

  2233. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  2234.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2235.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2236.                                                   |NATIVE_PLUGIN_HAS_UI

  2237.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2238.                                                   |NATIVE_PLUGIN_USES_STATE

  2239.                                                   |NATIVE_PLUGIN_USES_TIME),

  2240.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2241.     /* audioIns  */ 2,

  2242.     /* audioOuts */ 2,

  2243.     /* midiIns   */ 1,

  2244.     /* midiOuts  */ 0,

  2245.     /* paramIns  */ 0,

  2246.     /* paramOuts */ 0,

  2247.     /* name      */ "Carla-Rack (no midi out)",

  2248.     /* label     */ "carlarack-nomidiout",

  2249.     /* maker     */ "falkTX",

  2250.     /* copyright */ "GNU GPL v2+",

  2251.     CarlaEngineNative::_instantiateRackNoMidiOut,

  2252.     CarlaEngineNative::_cleanup,

  2253.     CarlaEngineNative::_get_parameter_count,

  2254.     CarlaEngineNative::_get_parameter_info,

  2255.     CarlaEngineNative::_get_parameter_value,

  2256.     CarlaEngineNative::_get_midi_program_count,

  2257.     CarlaEngineNative::_get_midi_program_info,

  2258.     CarlaEngineNative::_set_parameter_value,

  2259.     CarlaEngineNative::_set_midi_program,

  2260.     /* _set_custom_data        */ nullptr,

  2261.     CarlaEngineNative::_ui_show,

  2262.     CarlaEngineNative::_ui_idle,

  2263.     /* _ui_set_parameter_value */ nullptr,

  2264.     /* _ui_set_midi_program    */ nullptr,

  2265.     /* _ui_set_custom_data     */ nullptr,

  2266.     CarlaEngineNative::_activate,

  2267.     CarlaEngineNative::_deactivate,

  2268.     CarlaEngineNative::_process,

  2269.     CarlaEngineNative::_get_state,

  2270.     CarlaEngineNative::_set_state,

  2271.     CarlaEngineNative::_dispatcher

  2272. };

  2273. 

  2274. static const NativePluginDescriptor carlaPatchbayDesc = {

  2275.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2276.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2277.                                                   |NATIVE_PLUGIN_HAS_UI

  2278.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2279.                                                   |NATIVE_PLUGIN_USES_STATE

  2280.                                                   |NATIVE_PLUGIN_USES_TIME),

  2281.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2282.     /* audioIns  */ 2,

  2283.     /* audioOuts */ 2,

  2284.     /* midiIns   */ 1,

  2285.     /* midiOuts  */ 1,

  2286.     /* paramIns  */ 0,

  2287.     /* paramOuts */ 0,

  2288.     /* name      */ "Carla-Patchbay",

  2289.     /* label     */ "carlapatchbay",

  2290.     /* maker     */ "falkTX",

  2291.     /* copyright */ "GNU GPL v2+",

  2292.     CarlaEngineNative::_instantiatePatchbay,

  2293.     CarlaEngineNative::_cleanup,

  2294.     CarlaEngineNative::_get_parameter_count,

  2295.     CarlaEngineNative::_get_parameter_info,

  2296.     CarlaEngineNative::_get_parameter_value,

  2297.     CarlaEngineNative::_get_midi_program_count,

  2298.     CarlaEngineNative::_get_midi_program_info,

  2299.     CarlaEngineNative::_set_parameter_value,

  2300.     CarlaEngineNative::_set_midi_program,

  2301.     /* _set_custom_data        */ nullptr,

  2302.     CarlaEngineNative::_ui_show,

  2303.     CarlaEngineNative::_ui_idle,

  2304.     /* _ui_set_parameter_value */ nullptr,

  2305.     /* _ui_set_midi_program    */ nullptr,

  2306.     /* _ui_set_custom_data     */ nullptr,

  2307.     CarlaEngineNative::_activate,

  2308.     CarlaEngineNative::_deactivate,

  2309.     CarlaEngineNative::_process,

  2310.     CarlaEngineNative::_get_state,

  2311.     CarlaEngineNative::_set_state,

  2312.     CarlaEngineNative::_dispatcher

  2313. };

  2314. 

  2315. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  2316.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2317.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2318.                                                   |NATIVE_PLUGIN_HAS_UI

  2319.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2320.                                                   |NATIVE_PLUGIN_USES_STATE

  2321.                                                   |NATIVE_PLUGIN_USES_TIME),

  2322.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2323.     /* audioIns  */ 3,

  2324.     /* audioOuts */ 2,

  2325.     /* midiIns   */ 1,

  2326.     /* midiOuts  */ 1,

  2327.     /* paramIns  */ 0,

  2328.     /* paramOuts */ 0,

  2329.     /* name      */ "Carla-Patchbay (sidechain)",

  2330.     /* label     */ "carlapatchbay3s",

  2331.     /* maker     */ "falkTX",

  2332.     /* copyright */ "GNU GPL v2+",

  2333.     CarlaEngineNative::_instantiatePatchbay3s,

  2334.     CarlaEngineNative::_cleanup,

  2335.     CarlaEngineNative::_get_parameter_count,

  2336.     CarlaEngineNative::_get_parameter_info,

  2337.     CarlaEngineNative::_get_parameter_value,

  2338.     CarlaEngineNative::_get_midi_program_count,

  2339.     CarlaEngineNative::_get_midi_program_info,

  2340.     CarlaEngineNative::_set_parameter_value,

  2341.     CarlaEngineNative::_set_midi_program,

  2342.     /* _set_custom_data        */ nullptr,

  2343.     CarlaEngineNative::_ui_show,

  2344.     CarlaEngineNative::_ui_idle,

  2345.     /* _ui_set_parameter_value */ nullptr,

  2346.     /* _ui_set_midi_program    */ nullptr,

  2347.     /* _ui_set_custom_data     */ nullptr,

  2348.     CarlaEngineNative::_activate,

  2349.     CarlaEngineNative::_deactivate,

  2350.     CarlaEngineNative::_process,

  2351.     CarlaEngineNative::_get_state,

  2352.     CarlaEngineNative::_set_state,

  2353.     CarlaEngineNative::_dispatcher

  2354. };

  2355. 

  2356. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2357.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2358.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2359.                                                   |NATIVE_PLUGIN_HAS_UI

  2360.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2361.                                                   |NATIVE_PLUGIN_USES_STATE

  2362.                                                   |NATIVE_PLUGIN_USES_TIME),

  2363.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2364.     /* audioIns  */ 16,

  2365.     /* audioOuts */ 16,

  2366.     /* midiIns   */ 1,

  2367.     /* midiOuts  */ 1,

  2368.     /* paramIns  */ 0,

  2369.     /* paramOuts */ 0,

  2370.     /* name      */ "Carla-Patchbay (16chan)",

  2371.     /* label     */ "carlapatchbay16",

  2372.     /* maker     */ "falkTX",

  2373.     /* copyright */ "GNU GPL v2+",

  2374.     CarlaEngineNative::_instantiatePatchbay16,

  2375.     CarlaEngineNative::_cleanup,

  2376.     CarlaEngineNative::_get_parameter_count,

  2377.     CarlaEngineNative::_get_parameter_info,

  2378.     CarlaEngineNative::_get_parameter_value,

  2379.     CarlaEngineNative::_get_midi_program_count,

  2380.     CarlaEngineNative::_get_midi_program_info,

  2381.     CarlaEngineNative::_set_parameter_value,

  2382.     CarlaEngineNative::_set_midi_program,

  2383.     /* _set_custom_data        */ nullptr,

  2384.     CarlaEngineNative::_ui_show,

  2385.     CarlaEngineNative::_ui_idle,

  2386.     /* _ui_set_parameter_value */ nullptr,

  2387.     /* _ui_set_midi_program    */ nullptr,

  2388.     /* _ui_set_custom_data     */ nullptr,

  2389.     CarlaEngineNative::_activate,

  2390.     CarlaEngineNative::_deactivate,

  2391.     CarlaEngineNative::_process,

  2392.     CarlaEngineNative::_get_state,

  2393.     CarlaEngineNative::_set_state,

  2394.     CarlaEngineNative::_dispatcher

  2395. };

  2396. 

  2397. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2398.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2399.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2400.                                                   |NATIVE_PLUGIN_HAS_UI

  2401.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2402.                                                   |NATIVE_PLUGIN_USES_STATE

  2403.                                                   |NATIVE_PLUGIN_USES_TIME),

  2404.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2405.     /* audioIns  */ 32,

  2406.     /* audioOuts */ 32,

  2407.     /* midiIns   */ 1,

  2408.     /* midiOuts  */ 1,

  2409.     /* paramIns  */ 0,

  2410.     /* paramOuts */ 0,

  2411.     /* name      */ "Carla-Patchbay (32chan)",

  2412.     /* label     */ "carlapatchbay32",

  2413.     /* maker     */ "falkTX",

  2414.     /* copyright */ "GNU GPL v2+",

  2415.     CarlaEngineNative::_instantiatePatchbay32,

  2416.     CarlaEngineNative::_cleanup,

  2417.     CarlaEngineNative::_get_parameter_count,

  2418.     CarlaEngineNative::_get_parameter_info,

  2419.     CarlaEngineNative::_get_parameter_value,

  2420.     CarlaEngineNative::_get_midi_program_count,

  2421.     CarlaEngineNative::_get_midi_program_info,

  2422.     CarlaEngineNative::_set_parameter_value,

  2423.     CarlaEngineNative::_set_midi_program,

  2424.     /* _set_custom_data        */ nullptr,

  2425.     CarlaEngineNative::_ui_show,

  2426.     CarlaEngineNative::_ui_idle,

  2427.     /* _ui_set_parameter_value */ nullptr,

  2428.     /* _ui_set_midi_program    */ nullptr,

  2429.     /* _ui_set_custom_data     */ nullptr,

  2430.     CarlaEngineNative::_activate,

  2431.     CarlaEngineNative::_deactivate,

  2432.     CarlaEngineNative::_process,

  2433.     CarlaEngineNative::_get_state,

  2434.     CarlaEngineNative::_set_state,

  2435.     CarlaEngineNative::_dispatcher

  2436. };

  2437. 

  2438. CARLA_BACKEND_END_NAMESPACE

  2439. 

  2440. // -----------------------------------------------------------------------

  2441. 

  2442. CARLA_EXPORT

  2443. void carla_register_native_plugin_carla();

  2444. 

  2445. void carla_register_native_plugin_carla()

  2446. {

  2447.     CARLA_BACKEND_USE_NAMESPACE;

  2448.     carla_register_native_plugin(&carlaRackDesc);

  2449.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2450.     carla_register_native_plugin(&carlaPatchbayDesc);

  2451.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2452.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2453.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2454. }

  2455. 

  2456. // -----------------------------------------------------------------------

  2457. 

  2458. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2459. {

  2460.     CARLA_BACKEND_USE_NAMESPACE;

  2461.     return &carlaRackDesc;

  2462. }

  2463. 

  2464. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2465. {

  2466.     CARLA_BACKEND_USE_NAMESPACE;

  2467.     return &carlaPatchbayDesc;

  2468. }

  2469. 

  2470. const NativePluginDescriptor* carla_get_native_patchbay16_plugin()

  2471. {

  2472.     CARLA_BACKEND_USE_NAMESPACE;

  2473.     return &carlaPatchbay16Desc;

  2474. }

  2475. 

  2476. const NativePluginDescriptor* carla_get_native_patchbay32_plugin()

  2477. {

  2478.     CARLA_BACKEND_USE_NAMESPACE;

  2479.     return &carlaPatchbay32Desc;

  2480. }

  2481. 

  2482. // -----------------------------------------------------------------------

  2483. // Extra stuff for linking purposes

  2484. 

  2485. #ifdef CARLA_PLUGIN_EXPORT

  2486. 

  2487. CARLA_BACKEND_START_NAMESPACE

  2488. 

  2489. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2490. 

  2491. # ifdef USING_JUCE

  2492. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2493. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2494. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2495. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2496. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2497. # else

  2498. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2499. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2500. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2501. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2502. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2503. # endif

  2504. 

  2505. CARLA_BACKEND_END_NAMESPACE

  2506. 

  2507. #define CARLA_PLUGIN_UI_CLASS_PREFIX EngineNative

  2508. #include "CarlaHostCommon.cpp"

  2509. #include "CarlaPluginUI.cpp"

  2510. #include "CarlaDssiUtils.cpp"

  2511. #include "CarlaMacUtils.cpp"

  2512. #include "CarlaPatchbayUtils.cpp"

  2513. #include "CarlaPipeUtils.cpp"

  2514. #include "CarlaStateUtils.cpp"

  2515. 

  2516. #endif

  2517. 

  2518. // -----------------------------------------------------------------------