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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.             uint32_t groupA, portA, groupB, portB;

  219. 

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

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

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

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

  224. 

  225.             try {

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

  227.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  228.         }

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

  230.         {

  231.             uint32_t connectionId;

  232. 

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

  234. 

  235.             try {

  236.                 ok = fEngine->patchbayDisconnect(connectionId);

  237.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  238.         }

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

  240.         {

  241.             try {

  242.                 ok = fEngine->patchbayRefresh(false);

  243.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  244.         }

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

  246.         {

  247.             fEngine->transportPlay();

  248.         }

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

  250.         {

  251.             fEngine->transportPause();

  252.         }

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

  254.         {

  255.             double bpm;

  256. 

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

  258. 

  259.             fEngine->transportBPM(bpm);

  260.         }

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

  262.         {

  263.             uint64_t frame;

  264. 

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

  266. 

  267.             fEngine->transportRelocate(frame);

  268.         }

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

  270.         {

  271.             uint32_t btype, ptype;

  272.             const char* filename = nullptr;

  273.             const char* name;

  274.             const char* label;

  275.             int64_t uniqueId;

  276.             uint options;

  277. 

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

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

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

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

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

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

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

  285. 

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

  287.             {

  288.                 delete[] filename;

  289.                 filename = nullptr;

  290.             }

  291. 

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

  293.             {

  294.                 delete[] name;

  295.                 name = nullptr;

  296.             }

  297. 

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

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

  300. 

  301.             if (filename != nullptr)

  302.                 delete[] filename;

  303.             if (name != nullptr)

  304.                 delete[] name;

  305.             delete[] label;

  306.         }

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

  308.         {

  309.             uint32_t pluginId;

  310. 

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

  312. 

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

  314.         }

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

  316.         {

  317.             ok = fEngine->removeAllPlugins();

  318.         }

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

  320.         {

  321.             uint32_t pluginId;

  322.             const char* newName;

  323. 

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

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

  326. 

  327.             // TODO

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

  329. 

  330.             delete[] newName;

  331.         }

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

  333.         {

  334.             uint32_t pluginId;

  335. 

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

  337. 

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

  339.         }

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

  341.         {

  342.             uint32_t pluginId;

  343. 

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

  345. 

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

  347.         }

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

  349.         {

  350.             uint32_t pluginIdA, pluginIdB;

  351. 

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

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

  354. 

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

  356.         }

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

  358.         {

  359.             uint32_t pluginId;

  360.             const char* filename;

  361. 

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

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

  364. 

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

  366.                 plugin->loadStateFromFile(filename);

  367. 

  368.             delete[] filename;

  369.         }

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

  371.         {

  372.             uint32_t pluginId;

  373.             const char* filename;

  374. 

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

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

  377. 

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

  379.                 plugin->saveStateToFile(filename);

  380. 

  381.             delete[] filename;

  382.         }

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

  384.         {

  385.             uint32_t pluginId, option;

  386.             bool yesNo;

  387. 

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

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

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

  391. 

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

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

  394.         }

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

  396.         {

  397.             uint32_t pluginId;

  398.             bool onOff;

  399. 

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

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

  402. 

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

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

  405.         }

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

  407.         {

  408.             uint32_t pluginId;

  409.             float value;

  410. 

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

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

  413. 

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

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

  416.         }

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

  418.         {

  419.             uint32_t pluginId;

  420.             float value;

  421. 

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

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

  424. 

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

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

  427.         }

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

  429.         {

  430.             uint32_t pluginId;

  431.             float value;

  432. 

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

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

  435. 

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

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

  438.         }

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

  440.         {

  441.             uint32_t pluginId;

  442.             float value;

  443. 

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

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

  446. 

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

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

  449.         }

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

  451.         {

  452.             uint32_t pluginId;

  453.             float value;

  454. 

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

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

  457. 

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

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

  460.         }

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

  462.         {

  463.             uint32_t pluginId;

  464.             int32_t channel;

  465. 

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

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

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

  469. 

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

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

  472.         }

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

  474.         {

  475.             uint32_t pluginId, parameterId;

  476.             float value;

  477. 

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

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

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

  481. 

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

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

  484.         }

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

  486.         {

  487.             uint32_t pluginId, parameterId, channel;

  488. 

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

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

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

  492.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  493. 

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

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

  496.         }

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

  498.         {

  499.             uint32_t pluginId, parameterId;

  500.             int32_t cc;

  501. 

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

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

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

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

  506. 

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

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

  509.         }

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

  511.         {

  512.             uint32_t pluginId;

  513.             int32_t index;

  514. 

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

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

  517. 

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

  519.             {

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

  521.                 _updateParamValues(plugin, pluginId);

  522.             }

  523.         }

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

  525.         {

  526.             uint32_t pluginId;

  527.             int32_t index;

  528. 

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

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

  531. 

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

  533.             {

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

  535.                 _updateParamValues(plugin, pluginId);

  536.             }

  537.         }

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

  539.         {

  540.             uint32_t pluginId;

  541.             const char* type;

  542.             const char* key;

  543.             const char* value;

  544. 

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

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

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

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

  549. 

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

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

  552. 

  553.             delete[] type;

  554.             delete[] key;

  555.             delete[] value;

  556.         }

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

  558.         {

  559.             uint32_t pluginId;

  560.             const char* cdata;

  561. 

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

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

  564. 

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

  566.             {

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

  568. #ifdef CARLA_PROPER_CPP11_SUPPORT

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

  570. #else

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

  572. #endif

  573.             }

  574. 

  575.             delete[] cdata;

  576.         }

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

  578.         {

  579.             uint32_t pluginId;

  580. 

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

  582. 

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

  584.                 plugin->prepareForSave();

  585.         }

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

  587.         {

  588.             uint32_t pluginId;

  589. 

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

  591. 

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

  593.                 plugin->resetParameters();

  594.         }

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

  596.         {

  597.             uint32_t pluginId;

  598. 

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

  600. 

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

  602.                 plugin->randomizeParameters();

  603.         }

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

  605.         {

  606.             uint32_t pluginId, channel, note, velocity;

  607. 

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

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

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

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

  612.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  613.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  614.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  615. 

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

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

  618.         }

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

  620.         {

  621.             uint32_t pluginId;

  622.             bool yesNo;

  623. 

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

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

  626. 

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

  628.                 plugin->showCustomUI(yesNo);

  629.         }

  630.         else

  631.         {

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

  633.             return false;

  634.         }

  635. 

  636.         if (! ok)

  637.         {

  638.             const CarlaMutexLocker cml(getPipeLock());

  639. 

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

  641.                 flushMessages();

  642.         }

  643. 

  644.         return true;

  645.     }

  646. 

  647. private:

  648.     CarlaEngine* const fEngine;

  649. 

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

  651.     {

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

  653.             fEngine->callback(true, true,

  654.                               ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

  655.                               pluginId,

  656.                               static_cast<int>(i),

  657.                               0, 0,

  658.                               plugin->getParameterValue(i),

  659.                               nullptr);

  660.         }

  661.     }

  662. 

  663.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  664. };

  665. 

  666. // -----------------------------------------------------------------------

  667. 

  668. class CarlaEngineNative : public CarlaEngine

  669. {

  670. public:

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

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

  673.         : CarlaEngine(),

  674.           pHost(host),

  675. #ifdef USE_JUCE_MESSAGE_THREAD

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

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

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

  679.           fJuceMsgThread(),

  680. #endif

  681.           kIsPatchbay(isPatchbay),

  682.           kHasMidiOut(withMidiOut),

  683.           fIsActive(false),

  684.           fIsRunning(false),

  685.           fUiServer(this),

  686.           fOptionsForced(false)

  687.     {

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

  689. 

  690. #ifdef USE_JUCE_MESSAGE_THREAD

  691.         if (kNeedsJuceMsgThread)

  692.             fJuceMsgThread->incRef();

  693. #endif

  694. 

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

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

  697.         pData->initTime(nullptr);

  698. 

  699. #ifndef BUILD_BRIDGE

  700.         // Forced OSC setup when running as plugin

  701.         pData->options.oscEnabled = true;

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

  703.         pData->options.oscPortUDP = 0;

  704. #endif

  705. 

  706.         if (outChan == 0)

  707.             outChan = inChan;

  708. 

  709.         // set-up engine

  710.         if (kIsPatchbay)

  711.         {

  712.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  713.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  714.             pData->options.forceStereo         = false;

  715.             pData->options.preferPluginBridges = false;

  716.             pData->options.preferUiBridges     = false;

  717.             init("Carla-Patchbay");

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

  719.         }

  720.         else

  721.         {

  722.             CARLA_SAFE_ASSERT(inChan == 2);

  723.             CARLA_SAFE_ASSERT(outChan == 2);

  724.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  725.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  726.             pData->options.forceStereo         = true;

  727.             pData->options.preferPluginBridges = false;

  728.             pData->options.preferUiBridges     = false;

  729.             init("Carla-Rack");

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

  731.         }

  732. 

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

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

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

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

  737. 

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

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

  740. 

  741.         setCallback(_ui_server_callback, this);

  742.         setFileCallback(_ui_file_callback, this);

  743.     }

  744. 

  745.     ~CarlaEngineNative() override

  746.     {

  747.         CARLA_SAFE_ASSERT(! fIsActive);

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

  749. 

  750.         pData->aboutToClose = true;

  751.         fIsRunning = false;

  752. 

  753.         removeAllPlugins();

  754.         //runPendingRtEvents();

  755.         close();

  756. 

  757.         pData->graph.destroy();

  758. 

  759. #ifdef USE_JUCE_MESSAGE_THREAD

  760.         if (kNeedsJuceMsgThread)

  761.             fJuceMsgThread->decRef();

  762. #endif

  763. 

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

  765.     }

  766. 

  767. protected:

  768.     // -------------------------------------

  769.     // CarlaEngine virtual calls

  770. 

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

  772.     {

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

  774. 

  775.         fIsRunning = true;

  776. 

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

  778.         {

  779.             close();

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

  781.             return false;

  782.         }

  783. 

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

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

  786. 

  787.         return true;

  788.     }

  789. 

  790.     bool close() override

  791.     {

  792.         fIsRunning = false;

  793.         CarlaEngine::close();

  794.         return true;

  795.     }

  796. 

  797.     bool isRunning() const noexcept override

  798.     {

  799.         return fIsRunning;

  800.     }

  801. 

  802.     bool isOffline() const noexcept override

  803.     {

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

  805.     }

  806. 

  807.     bool usesConstantBufferSize() const noexcept override

  808.     {

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

  810.         return true;

  811.     }

  812. 

  813.     EngineType getType() const noexcept override

  814.     {

  815.         return kEngineTypePlugin;

  816.     }

  817. 

  818.     const char* getCurrentDriverName() const noexcept override

  819.     {

  820.         return "Plugin";

  821.     }

  822. 

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

  824.                   const EngineCallbackOpcode action, const uint pluginId,

  825.                   const int value1, const int value2, const int value3,

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

  827.     {

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

  829. 

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

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

  832.                               NATIVE_HOST_OPCODE_HOST_IDLE,

  833.                               0, 0, nullptr, 0.0f);

  834.         }

  835.     }

  836. 

  837.     // -------------------------------------------------------------------

  838. 

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

  840.     {

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

  842.         {

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

  844.             return retName;

  845.         }

  846. 

  847.         return nullptr;

  848.     }

  849. 

  850.     // -------------------------------------------------------------------

  851. 

  852.     void bufferSizeChanged(const uint32_t newBufferSize)

  853.     {

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

  855.             return;

  856. 

  857.         {

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

  859. 

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

  861.             {

  862.                 char tmpBuf[STR_MAX];

  863.                 carla_zeroChars(tmpBuf, STR_MAX);

  864. 

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

  866. 

  867.                 if (fUiServer.writeMessage(tmpBuf))

  868.                     fUiServer.flushMessages();

  869.             }

  870.         }

  871. 

  872.         pData->bufferSize = newBufferSize;

  873.         CarlaEngine::bufferSizeChanged(newBufferSize);

  874.     }

  875. 

  876.     void sampleRateChanged(const double newSampleRate)

  877.     {

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

  879.             return;

  880. 

  881.         {

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

  883. 

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

  885.             {

  886.                 char tmpBuf[STR_MAX];

  887.                 carla_zeroChars(tmpBuf, STR_MAX);

  888. 

  889.                 {

  890.                     const CarlaScopedLocale csl;

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

  892.                 }

  893. 

  894.                 if (fUiServer.writeMessage(tmpBuf))

  895.                     fUiServer.flushMessages();

  896.             }

  897.         }

  898. 

  899.         pData->sampleRate = newSampleRate;

  900.         CarlaEngine::sampleRateChanged(newSampleRate);

  901.     }

  902. 

  903.     // -------------------------------------------------------------------

  904. 

  905.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  906.     {

  907.         char tmpBuf[STR_MAX];

  908.         carla_zeroChars(tmpBuf, STR_MAX);

  909. 

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

  911. 

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

  913. 

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

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

  916.             return;

  917. 

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

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

  920.             return;

  921. 

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

  923.         {

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

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

  926.                 return;

  927.         }

  928.         else

  929.         {

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

  931.                 return;

  932.         }

  933. 

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

  935.         {

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

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

  938.                 return;

  939.         }

  940.         else

  941.         {

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

  943.                 return;

  944.         }

  945. 

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

  947.         {

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

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

  950.                 return;

  951.         }

  952.         else

  953.         {

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

  955.                 return;

  956.         }

  957. 

  958.         plugin->getRealName(tmpBuf);

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

  960.             return;

  961. 

  962.         plugin->getLabel(tmpBuf);

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

  964.             return;

  965. 

  966.         plugin->getMaker(tmpBuf);

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

  968.             return;

  969. 

  970.         plugin->getCopyright(tmpBuf);

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

  972.             return;

  973. 

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

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

  976.             return;

  977. 

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

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

  980.             return;

  981. 

  982.         fUiServer.flushMessages();

  983.     }

  984. 

  985.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  986.     {

  987.         char tmpBuf[STR_MAX];

  988.         carla_zeroChars(tmpBuf, STR_MAX);

  989. 

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

  991.         const CarlaScopedLocale csl;

  992. 

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

  994. 

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

  996.         {

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

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

  999.                 return;

  1000. 

  1001.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getInternalParameterValue(i)));

  1002.             if (! fUiServer.writeMessage(tmpBuf))

  1003.                 return;

  1004. 

  1005.             fUiServer.flushMessages();

  1006.         }

  1007. 

  1008.         uint32_t ins, outs, count;

  1009.         plugin->getParameterCountInfo(ins, outs);

  1010.         count = plugin->getParameterCount();

  1011. 

  1012.         std::sprintf(tmpBuf, "PARAMETER_COUNT_%i:%i:%i:%i\n", pluginId, ins, outs, count);

  1013.         if (! fUiServer.writeMessage(tmpBuf))

  1014.             return;

  1015. 

  1016.         for (uint32_t i=0; i<count; ++i)

  1017.         {

  1018.             const ParameterData& paramData(plugin->getParameterData(i));

  1019.             const ParameterRanges& paramRanges(plugin->getParameterRanges(i));

  1020. 

  1021.             std::sprintf(tmpBuf, "PARAMETER_DATA_%i:%i\n", pluginId, i);

  1022.             if (! fUiServer.writeMessage(tmpBuf))

  1023.                 return;

  1024. 

  1025.             std::sprintf(tmpBuf, "%i:%i:%i:%i\n", paramData.type, paramData.hints, paramData.midiChannel, paramData.midiCC);

  1026.             if (! fUiServer.writeMessage(tmpBuf))

  1027.                 return;

  1028. 

  1029.             plugin->getParameterName(i, tmpBuf);

  1030.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1031.                 return;

  1032. 

  1033.             plugin->getParameterUnit(i, tmpBuf);

  1034.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1035.                 return;

  1036. 

  1037.             std::sprintf(tmpBuf, "PARAMETER_RANGES_%i:%i\n", pluginId, i);

  1038.             if (! fUiServer.writeMessage(tmpBuf))

  1039.                 return;

  1040. 

  1041.             std::sprintf(tmpBuf, "%f:%f:%f:%f:%f:%f\n",

  1042.                          static_cast<double>(paramRanges.def),

  1043.                          static_cast<double>(paramRanges.min),

  1044.                          static_cast<double>(paramRanges.max),

  1045.                          static_cast<double>(paramRanges.step),

  1046.                          static_cast<double>(paramRanges.stepSmall),

  1047.                          static_cast<double>(paramRanges.stepLarge));

  1048.             if (! fUiServer.writeMessage(tmpBuf))

  1049.                 return;

  1050. 

  1051.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  1052.             if (! fUiServer.writeMessage(tmpBuf))

  1053.                 return;

  1054. 

  1055.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(i)));

  1056.             if (! fUiServer.writeMessage(tmpBuf))

  1057.                 return;

  1058.         }

  1059. 

  1060.         fUiServer.flushMessages();

  1061.     }

  1062. 

  1063.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  1064.     {

  1065.         char tmpBuf[STR_MAX];

  1066.         carla_zeroChars(tmpBuf, STR_MAX);

  1067. 

  1068.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1069. 

  1070.         const uint pluginId(plugin->getId());

  1071. 

  1072.         uint32_t count = plugin->getProgramCount();

  1073.         std::sprintf(tmpBuf, "PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentProgram());

  1074.         if (! fUiServer.writeMessage(tmpBuf))

  1075.             return;

  1076. 

  1077.         for (uint32_t i=0; i<count; ++i)

  1078.         {

  1079.             std::sprintf(tmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);

  1080.             if (! fUiServer.writeMessage(tmpBuf))

  1081.                 return;

  1082. 

  1083.             plugin->getProgramName(i, tmpBuf);

  1084.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1085.                 return;

  1086.         }

  1087. 

  1088.         fUiServer.flushMessages();

  1089. 

  1090.         count = plugin->getMidiProgramCount();

  1091.         std::sprintf(tmpBuf, "MIDI_PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentMidiProgram());

  1092.         if (! fUiServer.writeMessage(tmpBuf))

  1093.             return;

  1094. 

  1095.         for (uint32_t i=0; i<count; ++i)

  1096.         {

  1097.             std::sprintf(tmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);

  1098.             if (! fUiServer.writeMessage(tmpBuf))

  1099.                 return;

  1100. 

  1101.             const MidiProgramData& mpData(plugin->getMidiProgramData(i));

  1102. 

  1103.             std::sprintf(tmpBuf, "%i:%i\n", mpData.bank, mpData.program);

  1104.             if (! fUiServer.writeMessage(tmpBuf))

  1105.                 return;

  1106. 

  1107.             std::sprintf(tmpBuf, "%s", mpData.name);

  1108.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1109.                 return;

  1110.         }

  1111. 

  1112.         fUiServer.flushMessages();

  1113.     }

  1114. 

  1115.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  1116.     {

  1117.         char tmpBuf[STR_MAX];

  1118.         carla_zeroChars(tmpBuf, STR_MAX);

  1119. 

  1120.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1121. 

  1122.         const uint pluginId(plugin->getId());

  1123. 

  1124.         uint32_t count = plugin->getCustomDataCount();

  1125.         std::sprintf(tmpBuf, "CUSTOM_DATA_COUNT_%i:%i\n", pluginId, count);

  1126.         if (! fUiServer.writeMessage(tmpBuf))

  1127.             return;

  1128. 

  1129.         for (uint32_t i=0; i<count; ++i)

  1130.         {

  1131.             const CustomData& customData(plugin->getCustomData(i));

  1132.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  1133. 

  1134.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_PROPERTY) != 0)

  1135.                 continue;

  1136. 

  1137.             std::sprintf(tmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  1138.             if (! fUiServer.writeMessage(tmpBuf))

  1139.                 return;

  1140. 

  1141.             if (! fUiServer.writeAndFixMessage(customData.type))

  1142.                 return;

  1143.             if (! fUiServer.writeAndFixMessage(customData.key))

  1144.                 return;

  1145.             if (! fUiServer.writeAndFixMessage(customData.value))

  1146.                 return;

  1147.         }

  1148. 

  1149.         fUiServer.flushMessages();

  1150.     }

  1151. 

  1152.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId,

  1153.                           const int value1, const int value2, const int value3,

  1154.                           const float valuef, const char* const valueStr)

  1155.     {

  1156.         if (! fIsRunning)

  1157.             return;

  1158.         if (! fUiServer.isPipeRunning())

  1159.             return;

  1160. 

  1161.         CarlaPlugin* plugin;

  1162. 

  1163.         switch (action)

  1164.         {

  1165.         case ENGINE_CALLBACK_UPDATE:

  1166.             plugin = getPlugin(pluginId);

  1167. 

  1168.             if (plugin != nullptr && plugin->isEnabled())

  1169.             {

  1170.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1171.                 uiServerSendPluginProperties(plugin);

  1172.             }

  1173.             break;

  1174. 

  1175.         case ENGINE_CALLBACK_RELOAD_INFO:

  1176.             plugin = getPlugin(pluginId);

  1177. 

  1178.             if (plugin != nullptr && plugin->isEnabled())

  1179.             {

  1180.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1181.                 uiServerSendPluginInfo(plugin);

  1182.             }

  1183.             break;

  1184. 

  1185.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1186.             plugin = getPlugin(pluginId);

  1187. 

  1188.             if (plugin != nullptr && plugin->isEnabled())

  1189.             {

  1190.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1191.                 uiServerSendPluginParameters(plugin);

  1192.             }

  1193.             break;

  1194. 

  1195.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1196.             plugin = getPlugin(pluginId);

  1197. 

  1198.             if (plugin != nullptr && plugin->isEnabled())

  1199.             {

  1200.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1201.                 uiServerSendPluginPrograms(plugin);

  1202.             }

  1203.             break;

  1204. 

  1205.         case ENGINE_CALLBACK_RELOAD_ALL:

  1206.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1207.             plugin = getPlugin(pluginId);

  1208. 

  1209.             if (plugin != nullptr && plugin->isEnabled())

  1210.             {

  1211.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1212.                 uiServerSendPluginInfo(plugin);

  1213.                 uiServerSendPluginParameters(plugin);

  1214.                 uiServerSendPluginPrograms(plugin);

  1215.                 uiServerSendPluginProperties(plugin);

  1216.             }

  1217.             break;

  1218. 

  1219.         default:

  1220.             break;

  1221.         }

  1222. 

  1223.         char tmpBuf[STR_MAX];

  1224.         carla_zeroChars(tmpBuf, STR_MAX);

  1225. 

  1226.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1227. 

  1228.         std::sprintf(tmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1229.         if (! fUiServer.writeMessage(tmpBuf))

  1230.             return;

  1231.         std::sprintf(tmpBuf, "%u\n", pluginId);

  1232.         if (! fUiServer.writeMessage(tmpBuf))

  1233.             return;

  1234.         std::sprintf(tmpBuf, "%i\n", value1);

  1235.         if (! fUiServer.writeMessage(tmpBuf))

  1236.             return;

  1237.         std::sprintf(tmpBuf, "%i\n", value2);

  1238.         if (! fUiServer.writeMessage(tmpBuf))

  1239.             return;

  1240.         std::sprintf(tmpBuf, "%i\n", value3);

  1241.         if (! fUiServer.writeMessage(tmpBuf))

  1242.             return;

  1243.         {

  1244.             const CarlaScopedLocale csl;

  1245.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(valuef));

  1246.         }

  1247.         if (! fUiServer.writeMessage(tmpBuf))

  1248.             return;

  1249.         if (! fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : ""))

  1250.             return;

  1251. 

  1252.         fUiServer.flushMessages();

  1253.     }

  1254. 

  1255.     const char* uiFileCallback(FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  1256.     {

  1257.         switch (action)

  1258.         {

  1259.         case FILE_CALLBACK_DEBUG:

  1260.             return nullptr;

  1261. 

  1262.         case FILE_CALLBACK_OPEN:

  1263.             return pHost->ui_open_file(pHost->handle, isDir, title, filter);

  1264. 

  1265.         case FILE_CALLBACK_SAVE:

  1266.             return pHost->ui_save_file(pHost->handle, isDir, title, filter);

  1267.         }

  1268. 

  1269.         return nullptr;

  1270.     }

  1271. 

  1272.     void uiServerInfo()

  1273.     {

  1274.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1275.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1276. 

  1277.         char tmpBuf[STR_MAX];

  1278.         carla_zeroChars(tmpBuf, STR_MAX);

  1279. 

  1280.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1281. 

  1282. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1283.         if (! fUiServer.writeAndFixMessage("osc-urls"))

  1284.             return;

  1285.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP()))

  1286.             return;

  1287.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP()))

  1288.             return;

  1289. #endif

  1290. 

  1291.         if (! fUiServer.writeAndFixMessage("max-plugin-number"))

  1292.             return;

  1293.         std::sprintf(tmpBuf, "%i\n", pData->maxPluginNumber);

  1294.         if (! fUiServer.writeMessage(tmpBuf))

  1295.             return;

  1296. 

  1297.         if (! fUiServer.writeAndFixMessage("buffer-size"))

  1298.             return;

  1299.         std::sprintf(tmpBuf, "%i\n", pData->bufferSize);

  1300.         if (! fUiServer.writeMessage(tmpBuf))

  1301.             return;

  1302. 

  1303.         if (! fUiServer.writeAndFixMessage("sample-rate"))

  1304.             return;

  1305.         {

  1306.             const CarlaScopedLocale csl;

  1307.             std::sprintf(tmpBuf, "%f\n", pData->sampleRate);

  1308.         }

  1309.         if (! fUiServer.writeMessage(tmpBuf))

  1310.             return;

  1311. 

  1312.         fUiServer.flushMessages();

  1313.     }

  1314. 

  1315.     void uiServerOptions()

  1316.     {

  1317.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1318.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1319. 

  1320.         char tmpBuf[STR_MAX];

  1321.         carla_zeroChars(tmpBuf, STR_MAX);

  1322. 

  1323.         const EngineOptions& options(pData->options);

  1324.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1325. 

  1326.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1327.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1328. 

  1329.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1330.         if (! fUiServer.writeMessage(tmpBuf))

  1331.             return;

  1332.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1333.             return;

  1334.         std::sprintf(tmpBuf, "%i\n", options.processMode);

  1335.         if (! fUiServer.writeMessage(tmpBuf))

  1336.             return;

  1337.         fUiServer.flushMessages();

  1338. 

  1339.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1340.         if (! fUiServer.writeMessage(tmpBuf))

  1341.             return;

  1342.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1343.             return;

  1344.         std::sprintf(tmpBuf, "%i\n", options.transportMode);

  1345.         if (! fUiServer.writeMessage(tmpBuf))

  1346.             return;

  1347.         fUiServer.flushMessages();

  1348. 

  1349.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1350.         if (! fUiServer.writeMessage(tmpBuf))

  1351.             return;

  1352.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1353.             return;

  1354.         if (! fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n"))

  1355.             return;

  1356.         fUiServer.flushMessages();

  1357. 

  1358.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1359.         if (! fUiServer.writeMessage(tmpBuf))

  1360.             return;

  1361.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1362.             return;

  1363.         if (! fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n"))

  1364.             return;

  1365.         fUiServer.flushMessages();

  1366. 

  1367.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1368.         if (! fUiServer.writeMessage(tmpBuf))

  1369.             return;

  1370.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1371.             return;

  1372.         if (! fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n"))

  1373.             return;

  1374.         fUiServer.flushMessages();

  1375. 

  1376.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1377.         if (! fUiServer.writeMessage(tmpBuf))

  1378.             return;

  1379.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1380.             return;

  1381.         if (! fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n"))

  1382.             return;

  1383.         fUiServer.flushMessages();

  1384. 

  1385.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1386.         if (! fUiServer.writeMessage(tmpBuf))

  1387.             return;

  1388.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1389.             return;

  1390.         std::sprintf(tmpBuf, "%i\n", options.maxParameters);

  1391.         if (! fUiServer.writeMessage(tmpBuf))

  1392.             return;

  1393.         fUiServer.flushMessages();

  1394. 

  1395.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1396.         if (! fUiServer.writeMessage(tmpBuf))

  1397.             return;

  1398.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1399.             return;

  1400.         std::sprintf(tmpBuf, "%i\n", options.uiBridgesTimeout);

  1401.         if (! fUiServer.writeMessage(tmpBuf))

  1402.             return;

  1403.         fUiServer.flushMessages();

  1404. 

  1405.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1406.         if (! fUiServer.writeMessage(tmpBuf))

  1407.             return;

  1408.         if (! fUiServer.writeMessage("true\n", 5))

  1409.             return;

  1410.         std::sprintf(tmpBuf, "%s\n", options.binaryDir);

  1411.         if (! fUiServer.writeMessage(tmpBuf))

  1412.             return;

  1413.         fUiServer.flushMessages();

  1414. 

  1415.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1416.         if (! fUiServer.writeMessage(tmpBuf))

  1417.             return;

  1418.         if (! fUiServer.writeMessage("true\n", 5))

  1419.             return;

  1420.         std::sprintf(tmpBuf, "%s\n", options.resourceDir);

  1421.         if (! fUiServer.writeMessage(tmpBuf))

  1422.             return;

  1423.         fUiServer.flushMessages();

  1424.     }

  1425. 

  1426.     // -------------------------------------------------------------------

  1427.     // Plugin parameter calls

  1428. 

  1429.     uint32_t getParameterCount() const

  1430.     {

  1431.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1432.             return plugin->getParameterCount();

  1433. 

  1434.         return 0;

  1435.     }

  1436. 

  1437.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1438.     {

  1439.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1440.         {

  1441.             if (index < plugin->getParameterCount())

  1442.             {

  1443.                 static NativeParameter param;

  1444.                 static char strBufName[STR_MAX+1];

  1445.                 static char strBufUnit[STR_MAX+1];

  1446. 

  1447.                 const ParameterData& paramData(plugin->getParameterData(index));

  1448.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1449. 

  1450.                 plugin->getParameterName(index, strBufName);

  1451.                 plugin->getParameterUnit(index, strBufUnit);

  1452. 

  1453.                 uint hints = 0x0;

  1454. 

  1455.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1456.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1457.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1458.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1459.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1460.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1461.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1462.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1463.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1464.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1465.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1466.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1467. 

  1468.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1469.                 {

  1470.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1471.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1472.                     if (paramData.type == PARAMETER_OUTPUT)

  1473.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1474.                 }

  1475. 

  1476.                 param.hints = static_cast<NativeParameterHints>(hints);

  1477.                 param.name  = strBufName;

  1478.                 param.unit  = strBufUnit;

  1479.                 param.ranges.def = paramRanges.def;

  1480.                 param.ranges.min = paramRanges.min;

  1481.                 param.ranges.max = paramRanges.max;

  1482.                 param.ranges.step = paramRanges.step;

  1483.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1484.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1485.                 param.scalePointCount = 0; // TODO

  1486.                 param.scalePoints = nullptr;

  1487. 

  1488.                 return &param;

  1489.             }

  1490.         }

  1491. 

  1492.         return nullptr;

  1493.     }

  1494. 

  1495.     float getParameterValue(const uint32_t index) const

  1496.     {

  1497.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1498.         {

  1499.             if (index < plugin->getParameterCount())

  1500.                 return plugin->getParameterValue(index);

  1501.         }

  1502. 

  1503.         return 0.0f;

  1504.     }

  1505. 

  1506.     // -------------------------------------------------------------------

  1507.     // Plugin midi-program calls

  1508. 

  1509.     uint32_t getMidiProgramCount() const

  1510.     {

  1511.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1512.             return plugin->getMidiProgramCount();

  1513. 

  1514.         return 0;

  1515.     }

  1516. 

  1517.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1518.     {

  1519.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1520.         {

  1521.             if (index < plugin->getMidiProgramCount())

  1522.             {

  1523.                 static NativeMidiProgram midiProg;

  1524. 

  1525.                 {

  1526.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1527. 

  1528.                     midiProg.bank    = midiProgData.bank;

  1529.                     midiProg.program = midiProgData.program;

  1530.                     midiProg.name    = midiProgData.name;

  1531.                 }

  1532. 

  1533.                 return &midiProg;

  1534.             }

  1535.         }

  1536. 

  1537.         return nullptr;

  1538.     }

  1539. 

  1540.     // -------------------------------------------------------------------

  1541.     // Plugin state calls

  1542. 

  1543.     void setParameterValue(const uint32_t index, const float value)

  1544.     {

  1545.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1546.         {

  1547.             if (index < plugin->getParameterCount())

  1548.                 plugin->setParameterValue(index, value, false, false, false);

  1549.         }

  1550.     }

  1551. 

  1552.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1553.     {

  1554.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1555.             plugin->setMidiProgramById(bank, program, false, false, false);

  1556.     }

  1557. 

  1558.     // -------------------------------------------------------------------

  1559.     // Plugin process calls

  1560. 

  1561.     void activate()

  1562.     {

  1563. #if 0

  1564.         for (uint i=0; i < pData->curPluginCount; ++i)

  1565.         {

  1566.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1567. 

  1568.             if (plugin == nullptr || ! plugin->isEnabled())

  1569.                 continue;

  1570. 

  1571.             plugin->setActive(true, true, false);

  1572.         }

  1573. #endif

  1574.         fIsActive = true;

  1575.     }

  1576. 

  1577.     void deactivate()

  1578.     {

  1579.         fIsActive = false;

  1580. #if 0

  1581.         for (uint i=0; i < pData->curPluginCount; ++i)

  1582.         {

  1583.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1584. 

  1585.             if (plugin == nullptr || ! plugin->isEnabled())

  1586.                 continue;

  1587. 

  1588.             plugin->setActive(false, true, false);

  1589.         }

  1590. #endif

  1591. 

  1592.         // just in case

  1593.         //runPendingRtEvents();

  1594.     }

  1595. 

  1596.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1597.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1598.     {

  1599.         if (frames > pData->bufferSize)

  1600.         {

  1601.             carla_stderr2("Host is calling process with too high number of frames! %u vs %u",

  1602.                           frames, pData->bufferSize);

  1603. 

  1604.             deactivate();

  1605.             bufferSizeChanged(frames);

  1606.             activate();

  1607.         }

  1608. 

  1609.         const PendingRtEventsRunner prt(this, frames, true);

  1610. 

  1611.         // ---------------------------------------------------------------

  1612.         // Time Info

  1613. 

  1614.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1615. 

  1616.         pData->timeInfo.playing   = timeInfo->playing;

  1617.         pData->timeInfo.frame     = timeInfo->frame;

  1618.         pData->timeInfo.usecs     = timeInfo->usecs;

  1619.         pData->timeInfo.bbt.valid = timeInfo->bbt.valid;

  1620. 

  1621.         if (timeInfo->bbt.valid)

  1622.         {

  1623.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1624.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1625.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

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

  1627. 

  1628.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1629.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1630. 

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

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

  1633.         }

  1634. 

  1635.         // ---------------------------------------------------------------

  1636.         // Do nothing if no plugins and rack mode

  1637. 

  1638.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1639.         {

  1640.             if (outBuffer[0] != inBuffer[0])

  1641.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1642. 

  1643.             if (outBuffer[1] != inBuffer[1])

  1644.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1645. 

  1646.             for (uint32_t i=0; i < midiEventCount; ++i)

  1647.             {

  1648.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1649.                     break;

  1650.             }

  1651.             return;

  1652.         }

  1653. 

  1654.         // ---------------------------------------------------------------

  1655.         // initialize events

  1656. 

  1657.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1658.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1659. 

  1660.         // ---------------------------------------------------------------

  1661.         // events input (before processing)

  1662. 

  1663.         {

  1664.             uint32_t engineEventIndex = 0;

  1665. 

  1666.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1667.             {

  1668.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1669.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1670. 

  1671.                 engineEvent.time = midiEvent.time;

  1672.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1673. 

  1674.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1675.                     break;

  1676.             }

  1677.         }

  1678. 

  1679.         if (kIsPatchbay)

  1680.         {

  1681.             // -----------------------------------------------------------

  1682.             // process

  1683. 

  1684.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1685.         }

  1686.         else

  1687.         {

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

  1689.             // create audio buffers

  1690. 

  1691.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1692.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1693. 

  1694.             // -----------------------------------------------------------

  1695.             // process

  1696. 

  1697.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1698.         }

  1699. 

  1700.         // ---------------------------------------------------------------

  1701.         // events output (after processing)

  1702. 

  1703.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1704. 

  1705.         if (kHasMidiOut)

  1706.         {

  1707.             NativeMidiEvent midiEvent;

  1708. 

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

  1710.             {

  1711.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1712. 

  1713.                 if (engineEvent.type == kEngineEventTypeNull)

  1714.                     break;

  1715. 

  1716.                 carla_zeroStruct(midiEvent);

  1717.                 midiEvent.time = engineEvent.time;

  1718. 

  1719.                 /**/ if (engineEvent.type == kEngineEventTypeControl)

  1720.                 {

  1721.                     midiEvent.port = 0;

  1722.                     midiEvent.size = engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.data);

  1723.                 }

  1724.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1725.                 {

  1726.                     if (engineEvent.midi.size > 4)

  1727.                         continue;

  1728. 

  1729.                     midiEvent.port = engineEvent.midi.port;

  1730.                     midiEvent.size = engineEvent.midi.size;

  1731. 

  1732.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] | (engineEvent.channel & MIDI_CHANNEL_BIT));

  1733. 

  1734.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1735.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1736.                 }

  1737.                 else

  1738.                 {

  1739.                     continue;

  1740.                 }

  1741. 

  1742.                 if (midiEvent.size > 0)

  1743.                     pHost->write_midi_event(pHost->handle, &midiEvent);

  1744.             }

  1745.         }

  1746.     }

  1747. 

  1748.     // -------------------------------------------------------------------

  1749.     // Plugin UI calls

  1750. 

  1751.     void uiShow(const bool show)

  1752.     {

  1753.         if (show)

  1754.         {

  1755.             if (fUiServer.isPipeRunning())

  1756.             {

  1757.                 fUiServer.writeFocusMessage();

  1758.                 return;

  1759.             }

  1760. 

  1761.             CarlaString path(pHost->resourceDir);

  1762. 

  1763.             if (kIsPatchbay)

  1764.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1765.             else

  1766.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1767. #ifdef CARLA_OS_WIN

  1768.             path += ".exe";

  1769. #endif

  1770.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1771. 

  1772.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1773. 

  1774.             if (! fUiServer.startPipeServer(false))

  1775.             {

  1776.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1777.                 return;

  1778.             }

  1779. 

  1780.             uiServerInfo();

  1781.             uiServerOptions();

  1782.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED,

  1783.                              0,

  1784.                              pData->options.processMode,

  1785.                              pData->options.transportMode,

  1786.                              static_cast<int>(pData->bufferSize),

  1787.                              static_cast<float>(pData->sampleRate),

  1788.                              "Plugin");

  1789. 

  1790.             fUiServer.writeShowMessage();

  1791. 

  1792.             for (uint i=0; i < pData->curPluginCount; ++i)

  1793.             {

  1794.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1795. 

  1796.                 if (plugin != nullptr && plugin->isEnabled())

  1797.                 {

  1798.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0, 0.0f, plugin->getName());

  1799.                 }

  1800.             }

  1801. 

  1802.             if (kIsPatchbay)

  1803.                 patchbayRefresh(false);

  1804.         }

  1805.         else

  1806.         {

  1807.             fUiServer.stopPipeServer(2000);

  1808. 

  1809.             // hide all custom uis

  1810.             for (uint i=0; i < pData->curPluginCount; ++i)

  1811.             {

  1812.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1813. 

  1814.                 if (plugin != nullptr && plugin->isEnabled())

  1815.                 {

  1816.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1817.                     {

  1818.                         try {

  1819.                             plugin->showCustomUI(false);

  1820.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1821.                     }

  1822.                 }

  1823.             }

  1824.         }

  1825.     }

  1826. 

  1827.     void uiIdle()

  1828.     {

  1829.         for (uint i=0; i < pData->curPluginCount; ++i)

  1830.         {

  1831.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1832. 

  1833.             if (plugin != nullptr && plugin->isEnabled())

  1834.             {

  1835.                 const uint hints(plugin->getHints());

  1836. 

  1837.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1838.                 {

  1839.                     try {

  1840.                         plugin->uiIdle();

  1841.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1842.                 }

  1843.             }

  1844.         }

  1845. 

  1846.         idlePipe();

  1847. 

  1848.         switch (fUiServer.getAndResetUiState())

  1849.         {

  1850.         case CarlaExternalUI::UiNone:

  1851.         case CarlaExternalUI::UiShow:

  1852.             break;

  1853.         case CarlaExternalUI::UiCrashed:

  1854.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1855.             break;

  1856.         case CarlaExternalUI::UiHide:

  1857.             pHost->ui_closed(pHost->handle);

  1858.             fUiServer.stopPipeServer(1000);

  1859.             break;

  1860.         }

  1861.     }

  1862. 

  1863.     void idlePipe()

  1864.     {

  1865.         if (! fUiServer.isPipeRunning())

  1866.             return;

  1867. 

  1868.         fUiServer.idlePipe();

  1869. 

  1870.         char tmpBuf[STR_MAX];

  1871.         carla_zeroChars(tmpBuf, STR_MAX);

  1872. 

  1873.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1874.         const CarlaScopedLocale csl;

  1875.         const EngineTimeInfo& timeInfo(pData->timeInfo);

  1876. 

  1877.         // ------------------------------------------------------------------------------------------------------------

  1878.         // send engine info

  1879. 

  1880.         if (! fUiServer.writeAndFixMessage("runtime-info"))

  1881.             return;

  1882.         std::sprintf(tmpBuf, "%f:0\n", static_cast<double>(getDSPLoad()));

  1883.         if (! fUiServer.writeMessage(tmpBuf))

  1884.             return;

  1885. 

  1886.         fUiServer.flushMessages();

  1887. 

  1888.         // ------------------------------------------------------------------------------------------------------------

  1889.         // send transport

  1890. 

  1891.         if (! fUiServer.writeAndFixMessage("transport"))

  1892.             return;

  1893.         if (! fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n"))

  1894.             return;

  1895. 

  1896.         if (timeInfo.bbt.valid)

  1897.         {

  1898.             std::sprintf(tmpBuf, P_UINT64 ":%i:%i:%i\n",

  1899.                          timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, static_cast<int>(timeInfo.bbt.tick + 0.5));

  1900.             if (! fUiServer.writeMessage(tmpBuf))

  1901.                 return;

  1902. 

  1903.             std::sprintf(tmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1904.             if (! fUiServer.writeMessage(tmpBuf))

  1905.                 return;

  1906.         }

  1907.         else

  1908.         {

  1909.             std::sprintf(tmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1910.             if (! fUiServer.writeMessage(tmpBuf))

  1911.                 return;

  1912. 

  1913.             if (! fUiServer.writeMessage("0.0\n"))

  1914.                 return;

  1915.         }

  1916. 

  1917.         fUiServer.flushMessages();

  1918. 

  1919.         // ------------------------------------------------------------------------------------------------------------

  1920.         // send peaks and param outputs for all plugins

  1921. 

  1922.         for (uint i=0; i < pData->curPluginCount; ++i)

  1923.         {

  1924.             const EnginePluginData& plugData(pData->plugins[i]);

  1925.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1926. 

  1927.             std::sprintf(tmpBuf, "PEAKS_%i\n", i);

  1928.             if (! fUiServer.writeMessage(tmpBuf))

  1929.                 return;

  1930. 

  1931.             std::sprintf(tmpBuf, "%f:%f:%f:%f\n",

  1932.                          static_cast<double>(plugData.peaks[0]),

  1933.                          static_cast<double>(plugData.peaks[1]),

  1934.                          static_cast<double>(plugData.peaks[2]),

  1935.                          static_cast<double>(plugData.peaks[3]));

  1936.             if (! fUiServer.writeMessage(tmpBuf))

  1937.                 return;

  1938. 

  1939.             fUiServer.flushMessages();

  1940. 

  1941.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1942.             {

  1943.                 if (! plugin->isParameterOutput(j))

  1944.                     continue;

  1945. 

  1946.                 std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1947.                 if (! fUiServer.writeMessage(tmpBuf))

  1948.                     return;

  1949. 

  1950.                 std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(j)));

  1951.                 if (! fUiServer.writeMessage(tmpBuf))

  1952.                     return;

  1953. 

  1954.                 fUiServer.flushMessages();

  1955.             }

  1956.         }

  1957.     }

  1958. 

  1959.     // -------------------------------------------------------------------

  1960.     // Plugin state calls

  1961. 

  1962.     char* getState() const

  1963.     {

  1964.         MemoryOutputStream out;

  1965.         saveProjectInternal(out);

  1966.         return strdup(out.toString().toRawUTF8());

  1967.     }

  1968. 

  1969.     void setState(const char* const data)

  1970.     {

  1971.         // remove all plugins from UI side

  1972.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1973.             CarlaEngine::callback(true, true, ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0, 0.0f, nullptr);

  1974. 

  1975.         // remove all plugins from backend, no lock

  1976.         fIsRunning = false;

  1977.         removeAllPlugins();

  1978.         fIsRunning = true;

  1979. 

  1980.         // stopped during removeAllPlugins()

  1981.         if (! pData->thread.isThreadRunning())

  1982.             pData->thread.startThread();

  1983. 

  1984.         fOptionsForced = true;

  1985.         const String state(data);

  1986.         XmlDocument xml(state);

  1987.         loadProjectInternal(xml);

  1988.     }

  1989. 

  1990.     // -------------------------------------------------------------------

  1991. 

  1992. public:

  1993.     #define handlePtr ((CarlaEngineNative*)handle)

  1994. 

  1995.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1996.     {

  1997.         return new CarlaEngineNative(host, false, true);

  1998.     }

  1999. 

  2000.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  2001.     {

  2002.         return new CarlaEngineNative(host, false, false);

  2003.     }

  2004. 

  2005.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  2006.     {

  2007.         return new CarlaEngineNative(host, true, true);

  2008.     }

  2009. 

  2010.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  2011.     {

  2012.         return new CarlaEngineNative(host, true, true, 3, 2);

  2013.     }

  2014. 

  2015.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  2016.     {

  2017.         return new CarlaEngineNative(host, true, true, 16, 16);

  2018.     }

  2019. 

  2020.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  2021.     {

  2022.         return new CarlaEngineNative(host, true, true, 32, 32);

  2023.     }

  2024. 

  2025.     static void _cleanup(NativePluginHandle handle)

  2026.     {

  2027.         delete handlePtr;

  2028.     }

  2029. 

  2030.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  2031.     {

  2032.         return handlePtr->getParameterCount();

  2033.     }

  2034. 

  2035.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  2036.     {

  2037.         return handlePtr->getParameterInfo(index);

  2038.     }

  2039. 

  2040.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  2041.     {

  2042.         return handlePtr->getParameterValue(index);

  2043.     }

  2044. 

  2045.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  2046.     {

  2047.         return handlePtr->getMidiProgramCount();

  2048.     }

  2049. 

  2050.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  2051.     {

  2052.         return handlePtr->getMidiProgramInfo(index);

  2053.     }

  2054. 

  2055.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  2056.     {

  2057.         handlePtr->setParameterValue(index, value);

  2058.     }

  2059. 

  2060.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  2061.     {

  2062.         handlePtr->setMidiProgram(channel, bank, program);

  2063.     }

  2064. 

  2065.     static void _ui_show(NativePluginHandle handle, bool show)

  2066.     {

  2067.         handlePtr->uiShow(show);

  2068.     }

  2069. 

  2070.     static void _ui_idle(NativePluginHandle handle)

  2071.     {

  2072.         handlePtr->uiIdle();

  2073.     }

  2074. 

  2075.     static void _activate(NativePluginHandle handle)

  2076.     {

  2077.         handlePtr->activate();

  2078.     }

  2079. 

  2080.     static void _deactivate(NativePluginHandle handle)

  2081.     {

  2082.         handlePtr->deactivate();

  2083.     }

  2084. 

  2085.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  2086.     {

  2087.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  2088.     }

  2089. 

  2090.     static char* _get_state(NativePluginHandle handle)

  2091.     {

  2092.         return handlePtr->getState();

  2093.     }

  2094. 

  2095.     static void _set_state(NativePluginHandle handle, const char* data)

  2096.     {

  2097.         handlePtr->setState(data);

  2098.     }

  2099. 

  2100.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2101.     {

  2102.         switch(opcode)

  2103.         {

  2104.         case NATIVE_PLUGIN_OPCODE_NULL:

  2105.             return 0;

  2106.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  2107.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  2108.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  2109.             return 0;

  2110.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  2111.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0f, 0);

  2112.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  2113.             return 0;

  2114.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  2115.             handlePtr->offlineModeChanged(value != 0);

  2116.             return 0;

  2117.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  2118.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  2119.             return 0;

  2120.         case NATIVE_PLUGIN_OPCODE_GET_INTERNAL_HANDLE: {

  2121.             CarlaEngineNative* const engine = handlePtr;

  2122.             return (intptr_t)(CarlaEngine*)engine;

  2123.         }

  2124.         }

  2125. 

  2126.         return 0;

  2127. 

  2128.         // unused

  2129.         (void)index;

  2130.         (void)ptr;

  2131.     }

  2132. 

  2133.     // -------------------------------------------------------------------

  2134. 

  2135.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId,

  2136.                                     int value1, int value2, int value3,

  2137.                                     float valuef, const char* valueStr)

  2138.     {

  2139.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valuef, valueStr);

  2140.     }

  2141. 

  2142.     static const char* _ui_file_callback(void* handle, FileCallbackOpcode action, bool isDir,

  2143.                                          const char* title, const char* filter)

  2144.     {

  2145.         return handlePtr->uiFileCallback(action, isDir, title, filter);

  2146.     }

  2147. 

  2148.     // -------------------------------------------------------------------

  2149. 

  2150.     #undef handlePtr

  2151. 

  2152. private:

  2153.     const NativeHostDescriptor* const pHost;

  2154. 

  2155. #ifdef USE_JUCE_MESSAGE_THREAD

  2156.     const bool kNeedsJuceMsgThread;

  2157.     const juce::SharedResourcePointer<SharedJuceMessageThread> fJuceMsgThread;

  2158. #endif

  2159. 

  2160.     const bool kIsPatchbay; // rack if false

  2161.     const bool kHasMidiOut;

  2162.     bool fIsActive, fIsRunning;

  2163.     CarlaEngineNativeUI fUiServer;

  2164. 

  2165.     bool fOptionsForced;

  2166. 

  2167.     CarlaPlugin* _getFirstPlugin() const noexcept

  2168.     {

  2169.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  2170.             return nullptr;

  2171. 

  2172.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  2173. 

  2174.         if (plugin == nullptr || ! plugin->isEnabled())

  2175.             return nullptr;

  2176. 

  2177.         return pData->plugins[0].plugin;

  2178.     }

  2179. 

  2180.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  2181. };

  2182. 

  2183. // -----------------------------------------------------------------------

  2184. 

  2185. static const NativePluginDescriptor carlaRackDesc = {

  2186.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2187.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2188.                                                   |NATIVE_PLUGIN_HAS_UI

  2189.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2190.                                                   |NATIVE_PLUGIN_USES_STATE

  2191.                                                   |NATIVE_PLUGIN_USES_TIME),

  2192.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2193.     /* audioIns  */ 2,

  2194.     /* audioOuts */ 2,

  2195.     /* midiIns   */ 1,

  2196.     /* midiOuts  */ 1,

  2197.     /* paramIns  */ 0,

  2198.     /* paramOuts */ 0,

  2199.     /* name      */ "Carla-Rack",

  2200.     /* label     */ "carlarack",

  2201.     /* maker     */ "falkTX",

  2202.     /* copyright */ "GNU GPL v2+",

  2203.     CarlaEngineNative::_instantiateRack,

  2204.     CarlaEngineNative::_cleanup,

  2205.     CarlaEngineNative::_get_parameter_count,

  2206.     CarlaEngineNative::_get_parameter_info,

  2207.     CarlaEngineNative::_get_parameter_value,

  2208.     CarlaEngineNative::_get_midi_program_count,

  2209.     CarlaEngineNative::_get_midi_program_info,

  2210.     CarlaEngineNative::_set_parameter_value,

  2211.     CarlaEngineNative::_set_midi_program,

  2212.     /* _set_custom_data        */ nullptr,

  2213.     CarlaEngineNative::_ui_show,

  2214.     CarlaEngineNative::_ui_idle,

  2215.     /* _ui_set_parameter_value */ nullptr,

  2216.     /* _ui_set_midi_program    */ nullptr,

  2217.     /* _ui_set_custom_data     */ nullptr,

  2218.     CarlaEngineNative::_activate,

  2219.     CarlaEngineNative::_deactivate,

  2220.     CarlaEngineNative::_process,

  2221.     CarlaEngineNative::_get_state,

  2222.     CarlaEngineNative::_set_state,

  2223.     CarlaEngineNative::_dispatcher

  2224. };

  2225. 

  2226. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  2227.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2228.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2229.                                                   |NATIVE_PLUGIN_HAS_UI

  2230.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2231.                                                   |NATIVE_PLUGIN_USES_STATE

  2232.                                                   |NATIVE_PLUGIN_USES_TIME),

  2233.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2234.     /* audioIns  */ 2,

  2235.     /* audioOuts */ 2,

  2236.     /* midiIns   */ 1,

  2237.     /* midiOuts  */ 0,

  2238.     /* paramIns  */ 0,

  2239.     /* paramOuts */ 0,

  2240.     /* name      */ "Carla-Rack (no midi out)",

  2241.     /* label     */ "carlarack-nomidiout",

  2242.     /* maker     */ "falkTX",

  2243.     /* copyright */ "GNU GPL v2+",

  2244.     CarlaEngineNative::_instantiateRackNoMidiOut,

  2245.     CarlaEngineNative::_cleanup,

  2246.     CarlaEngineNative::_get_parameter_count,

  2247.     CarlaEngineNative::_get_parameter_info,

  2248.     CarlaEngineNative::_get_parameter_value,

  2249.     CarlaEngineNative::_get_midi_program_count,

  2250.     CarlaEngineNative::_get_midi_program_info,

  2251.     CarlaEngineNative::_set_parameter_value,

  2252.     CarlaEngineNative::_set_midi_program,

  2253.     /* _set_custom_data        */ nullptr,

  2254.     CarlaEngineNative::_ui_show,

  2255.     CarlaEngineNative::_ui_idle,

  2256.     /* _ui_set_parameter_value */ nullptr,

  2257.     /* _ui_set_midi_program    */ nullptr,

  2258.     /* _ui_set_custom_data     */ nullptr,

  2259.     CarlaEngineNative::_activate,

  2260.     CarlaEngineNative::_deactivate,

  2261.     CarlaEngineNative::_process,

  2262.     CarlaEngineNative::_get_state,

  2263.     CarlaEngineNative::_set_state,

  2264.     CarlaEngineNative::_dispatcher

  2265. };

  2266. 

  2267. static const NativePluginDescriptor carlaPatchbayDesc = {

  2268.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2269.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2270.                                                   |NATIVE_PLUGIN_HAS_UI

  2271.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2272.                                                   |NATIVE_PLUGIN_USES_STATE

  2273.                                                   |NATIVE_PLUGIN_USES_TIME),

  2274.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2275.     /* audioIns  */ 2,

  2276.     /* audioOuts */ 2,

  2277.     /* midiIns   */ 1,

  2278.     /* midiOuts  */ 1,

  2279.     /* paramIns  */ 0,

  2280.     /* paramOuts */ 0,

  2281.     /* name      */ "Carla-Patchbay",

  2282.     /* label     */ "carlapatchbay",

  2283.     /* maker     */ "falkTX",

  2284.     /* copyright */ "GNU GPL v2+",

  2285.     CarlaEngineNative::_instantiatePatchbay,

  2286.     CarlaEngineNative::_cleanup,

  2287.     CarlaEngineNative::_get_parameter_count,

  2288.     CarlaEngineNative::_get_parameter_info,

  2289.     CarlaEngineNative::_get_parameter_value,

  2290.     CarlaEngineNative::_get_midi_program_count,

  2291.     CarlaEngineNative::_get_midi_program_info,

  2292.     CarlaEngineNative::_set_parameter_value,

  2293.     CarlaEngineNative::_set_midi_program,

  2294.     /* _set_custom_data        */ nullptr,

  2295.     CarlaEngineNative::_ui_show,

  2296.     CarlaEngineNative::_ui_idle,

  2297.     /* _ui_set_parameter_value */ nullptr,

  2298.     /* _ui_set_midi_program    */ nullptr,

  2299.     /* _ui_set_custom_data     */ nullptr,

  2300.     CarlaEngineNative::_activate,

  2301.     CarlaEngineNative::_deactivate,

  2302.     CarlaEngineNative::_process,

  2303.     CarlaEngineNative::_get_state,

  2304.     CarlaEngineNative::_set_state,

  2305.     CarlaEngineNative::_dispatcher

  2306. };

  2307. 

  2308. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  2309.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2310.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2311.                                                   |NATIVE_PLUGIN_HAS_UI

  2312.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2313.                                                   |NATIVE_PLUGIN_USES_STATE

  2314.                                                   |NATIVE_PLUGIN_USES_TIME),

  2315.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2316.     /* audioIns  */ 3,

  2317.     /* audioOuts */ 2,

  2318.     /* midiIns   */ 1,

  2319.     /* midiOuts  */ 1,

  2320.     /* paramIns  */ 0,

  2321.     /* paramOuts */ 0,

  2322.     /* name      */ "Carla-Patchbay (sidechain)",

  2323.     /* label     */ "carlapatchbay3s",

  2324.     /* maker     */ "falkTX",

  2325.     /* copyright */ "GNU GPL v2+",

  2326.     CarlaEngineNative::_instantiatePatchbay3s,

  2327.     CarlaEngineNative::_cleanup,

  2328.     CarlaEngineNative::_get_parameter_count,

  2329.     CarlaEngineNative::_get_parameter_info,

  2330.     CarlaEngineNative::_get_parameter_value,

  2331.     CarlaEngineNative::_get_midi_program_count,

  2332.     CarlaEngineNative::_get_midi_program_info,

  2333.     CarlaEngineNative::_set_parameter_value,

  2334.     CarlaEngineNative::_set_midi_program,

  2335.     /* _set_custom_data        */ nullptr,

  2336.     CarlaEngineNative::_ui_show,

  2337.     CarlaEngineNative::_ui_idle,

  2338.     /* _ui_set_parameter_value */ nullptr,

  2339.     /* _ui_set_midi_program    */ nullptr,

  2340.     /* _ui_set_custom_data     */ nullptr,

  2341.     CarlaEngineNative::_activate,

  2342.     CarlaEngineNative::_deactivate,

  2343.     CarlaEngineNative::_process,

  2344.     CarlaEngineNative::_get_state,

  2345.     CarlaEngineNative::_set_state,

  2346.     CarlaEngineNative::_dispatcher

  2347. };

  2348. 

  2349. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2350.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2351.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2352.                                                   |NATIVE_PLUGIN_HAS_UI

  2353.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2354.                                                   |NATIVE_PLUGIN_USES_STATE

  2355.                                                   |NATIVE_PLUGIN_USES_TIME),

  2356.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2357.     /* audioIns  */ 16,

  2358.     /* audioOuts */ 16,

  2359.     /* midiIns   */ 1,

  2360.     /* midiOuts  */ 1,

  2361.     /* paramIns  */ 0,

  2362.     /* paramOuts */ 0,

  2363.     /* name      */ "Carla-Patchbay (16chan)",

  2364.     /* label     */ "carlapatchbay16",

  2365.     /* maker     */ "falkTX",

  2366.     /* copyright */ "GNU GPL v2+",

  2367.     CarlaEngineNative::_instantiatePatchbay16,

  2368.     CarlaEngineNative::_cleanup,

  2369.     CarlaEngineNative::_get_parameter_count,

  2370.     CarlaEngineNative::_get_parameter_info,

  2371.     CarlaEngineNative::_get_parameter_value,

  2372.     CarlaEngineNative::_get_midi_program_count,

  2373.     CarlaEngineNative::_get_midi_program_info,

  2374.     CarlaEngineNative::_set_parameter_value,

  2375.     CarlaEngineNative::_set_midi_program,

  2376.     /* _set_custom_data        */ nullptr,

  2377.     CarlaEngineNative::_ui_show,

  2378.     CarlaEngineNative::_ui_idle,

  2379.     /* _ui_set_parameter_value */ nullptr,

  2380.     /* _ui_set_midi_program    */ nullptr,

  2381.     /* _ui_set_custom_data     */ nullptr,

  2382.     CarlaEngineNative::_activate,

  2383.     CarlaEngineNative::_deactivate,

  2384.     CarlaEngineNative::_process,

  2385.     CarlaEngineNative::_get_state,

  2386.     CarlaEngineNative::_set_state,

  2387.     CarlaEngineNative::_dispatcher

  2388. };

  2389. 

  2390. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2391.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2392.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2393.                                                   |NATIVE_PLUGIN_HAS_UI

  2394.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2395.                                                   |NATIVE_PLUGIN_USES_STATE

  2396.                                                   |NATIVE_PLUGIN_USES_TIME),

  2397.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2398.     /* audioIns  */ 32,

  2399.     /* audioOuts */ 32,

  2400.     /* midiIns   */ 1,

  2401.     /* midiOuts  */ 1,

  2402.     /* paramIns  */ 0,

  2403.     /* paramOuts */ 0,

  2404.     /* name      */ "Carla-Patchbay (32chan)",

  2405.     /* label     */ "carlapatchbay32",

  2406.     /* maker     */ "falkTX",

  2407.     /* copyright */ "GNU GPL v2+",

  2408.     CarlaEngineNative::_instantiatePatchbay32,

  2409.     CarlaEngineNative::_cleanup,

  2410.     CarlaEngineNative::_get_parameter_count,

  2411.     CarlaEngineNative::_get_parameter_info,

  2412.     CarlaEngineNative::_get_parameter_value,

  2413.     CarlaEngineNative::_get_midi_program_count,

  2414.     CarlaEngineNative::_get_midi_program_info,

  2415.     CarlaEngineNative::_set_parameter_value,

  2416.     CarlaEngineNative::_set_midi_program,

  2417.     /* _set_custom_data        */ nullptr,

  2418.     CarlaEngineNative::_ui_show,

  2419.     CarlaEngineNative::_ui_idle,

  2420.     /* _ui_set_parameter_value */ nullptr,

  2421.     /* _ui_set_midi_program    */ nullptr,

  2422.     /* _ui_set_custom_data     */ nullptr,

  2423.     CarlaEngineNative::_activate,

  2424.     CarlaEngineNative::_deactivate,

  2425.     CarlaEngineNative::_process,

  2426.     CarlaEngineNative::_get_state,

  2427.     CarlaEngineNative::_set_state,

  2428.     CarlaEngineNative::_dispatcher

  2429. };

  2430. 

  2431. CARLA_BACKEND_END_NAMESPACE

  2432. 

  2433. // -----------------------------------------------------------------------

  2434. 

  2435. CARLA_EXPORT

  2436. void carla_register_native_plugin_carla();

  2437. 

  2438. void carla_register_native_plugin_carla()

  2439. {

  2440.     CARLA_BACKEND_USE_NAMESPACE;

  2441.     carla_register_native_plugin(&carlaRackDesc);

  2442.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2443.     carla_register_native_plugin(&carlaPatchbayDesc);

  2444.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2445.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2446.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2447. }

  2448. 

  2449. // -----------------------------------------------------------------------

  2450. 

  2451. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2452. {

  2453.     CARLA_BACKEND_USE_NAMESPACE;

  2454.     return &carlaRackDesc;

  2455. }

  2456. 

  2457. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2458. {

  2459.     CARLA_BACKEND_USE_NAMESPACE;

  2460.     return &carlaPatchbayDesc;

  2461. }

  2462. 

  2463. const NativePluginDescriptor* carla_get_native_patchbay16_plugin()

  2464. {

  2465.     CARLA_BACKEND_USE_NAMESPACE;

  2466.     return &carlaPatchbay16Desc;

  2467. }

  2468. 

  2469. const NativePluginDescriptor* carla_get_native_patchbay32_plugin()

  2470. {

  2471.     CARLA_BACKEND_USE_NAMESPACE;

  2472.     return &carlaPatchbay32Desc;

  2473. }

  2474. 

  2475. // -----------------------------------------------------------------------

  2476. // Extra stuff for linking purposes

  2477. 

  2478. #ifdef CARLA_PLUGIN_EXPORT

  2479. 

  2480. CARLA_BACKEND_START_NAMESPACE

  2481. 

  2482. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2483. 

  2484. # ifdef USING_JUCE

  2485. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2486. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2487. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2488. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2489. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2490. # else

  2491. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2492. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2493. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

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

  2495. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2496. # endif

  2497. 

  2498. CARLA_BACKEND_END_NAMESPACE

  2499. 

  2500. #define CARLA_PLUGIN_UI_CLASS_PREFIX EngineNative

  2501. #include "CarlaHostCommon.cpp"

  2502. #include "CarlaPluginUI.cpp"

  2503. #include "CarlaDssiUtils.cpp"

  2504. #include "CarlaMacUtils.cpp"

  2505. #include "CarlaPatchbayUtils.cpp"

  2506. #include "CarlaPipeUtils.cpp"

  2507. #include "CarlaStateUtils.cpp"

  2508. 

  2509. #endif

  2510. 

  2511. // -----------------------------------------------------------------------