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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) 2011-2017 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

  21. # error This file should not be compiled if building bridge

  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. 

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

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

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

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

  41. 

  42. using water::File;

  43. using water::MemoryOutputStream;

  44. using water::String;

  45. using water::XmlDocument;

  46. using water::XmlElement;

  47. 

  48. CARLA_BACKEND_START_NAMESPACE

  49. 

  50. // -----------------------------------------------------------------------

  51. 

  52. class CarlaEngineNativeUI : public CarlaExternalUI

  53. {

  54. public:

  55.     CarlaEngineNativeUI(CarlaEngine* const engine)

  56.         : fEngine(engine),

  57.           fRemoteWinId(0)

  58.     {

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

  60.     }

  61. 

  62.     ~CarlaEngineNativeUI() noexcept override

  63.     {

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

  65.     }

  66. 

  67.     bool isReady() const noexcept

  68.     {

  69.         return fRemoteWinId != 0;

  70.     }

  71. 

  72.     intptr_t getRemoteWinId() const noexcept

  73.     {

  74.         return fRemoteWinId;

  75.     }

  76. 

  77. protected:

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

  79.     {

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

  81.             return true;

  82. 

  83.         bool ok = true;

  84. 

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

  86.         {

  87.             uint32_t option;

  88.             int32_t value;

  89.             const char* valueStr = nullptr;

  90. 

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

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

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

  94. 

  95.             try {

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

  97.             } CARLA_SAFE_EXCEPTION("setOption");

  98. 

  99.             if (valueStr != nullptr)

  100.                 delete[] valueStr;

  101.         }

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

  103.         {

  104.             const char* filename;

  105. 

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

  107. 

  108.             try {

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

  110.             } CARLA_SAFE_EXCEPTION("loadFile");

  111. 

  112.             delete[] filename;

  113.         }

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

  115.         {

  116.             const char* filename;

  117. 

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

  119. 

  120.             try {

  121.                 ok = fEngine->loadProject(filename);

  122.             } CARLA_SAFE_EXCEPTION("loadProject");

  123. 

  124.             delete[] filename;

  125.         }

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

  127.         {

  128.             const char* filename;

  129. 

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

  131. 

  132.             try {

  133.                 ok = fEngine->saveProject(filename);

  134.             } CARLA_SAFE_EXCEPTION("saveProject");

  135. 

  136.             delete[] filename;

  137.         }

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

  139.         {

  140.             uint32_t groupA, portA, groupB, portB;

  141. 

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

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

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

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

  146. 

  147.             try {

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

  149.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  150.         }

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

  152.         {

  153.             uint32_t connectionId;

  154. 

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

  156. 

  157.             try {

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

  159.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  160.         }

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

  162.         {

  163.             try {

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

  165.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  166.         }

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

  168.         {

  169.             fEngine->transportPlay();

  170.         }

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

  172.         {

  173.             fEngine->transportPause();

  174.         }

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

  176.         {

  177.             double bpm;

  178. 

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

  180. 

  181.             fEngine->transportBPM(bpm);

  182.         }

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

  184.         {

  185.             uint64_t frame;

  186. 

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

  188. 

  189.             fEngine->transportRelocate(frame);

  190.         }

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

  192.         {

  193.             uint32_t btype, ptype;

  194.             const char* filename = nullptr;

  195.             const char* name;

  196.             const char* label;

  197.             int64_t uniqueId;

  198.             uint options;

  199. 

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

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

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

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

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

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

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

  207. 

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

  209.             {

  210.                 delete[] filename;

  211.                 filename = nullptr;

  212.             }

  213. 

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

  215.             {

  216.                 delete[] name;

  217.                 name = nullptr;

  218.             }

  219. 

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

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

  222. 

  223.             if (filename != nullptr)

  224.                 delete[] filename;

  225.             if (name != nullptr)

  226.                 delete[] name;

  227.             delete[] label;

  228.         }

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

  230.         {

  231.             uint32_t pluginId;

  232. 

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

  234. 

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

  236.         }

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

  238.         {

  239.             ok = fEngine->removeAllPlugins();

  240.         }

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

  242.         {

  243.             uint32_t pluginId;

  244.             const char* newName;

  245. 

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

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

  248. 

  249.             // TODO

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

  251. 

  252.             delete[] newName;

  253.         }

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

  255.         {

  256.             uint32_t pluginId;

  257. 

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

  259. 

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

  261.         }

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

  263.         {

  264.             uint32_t pluginId;

  265. 

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

  267. 

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

  269.         }

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

  271.         {

  272.             uint32_t pluginIdA, pluginIdB;

  273. 

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

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

  276. 

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

  278.         }

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

  280.         {

  281.             uint32_t pluginId;

  282.             const char* filename;

  283. 

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

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

  286. 

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

  288.                 plugin->loadStateFromFile(filename);

  289. 

  290.             delete[] filename;

  291.         }

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

  293.         {

  294.             uint32_t pluginId;

  295.             const char* filename;

  296. 

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

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

  299. 

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

  301.                 plugin->saveStateToFile(filename);

  302. 

  303.             delete[] filename;

  304.         }

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

  306.         {

  307.             uint32_t pluginId, option;

  308.             bool yesNo;

  309. 

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

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

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

  313. 

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

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

  316.         }

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

  318.         {

  319.             uint32_t pluginId;

  320.             bool onOff;

  321. 

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

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

  324. 

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

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

  327.         }

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

  329.         {

  330.             uint32_t pluginId;

  331.             float value;

  332. 

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

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

  335. 

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

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

  338.         }

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

  340.         {

  341.             uint32_t pluginId;

  342.             float value;

  343. 

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

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

  346. 

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

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

  349.         }

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

  351.         {

  352.             uint32_t pluginId;

  353.             float value;

  354. 

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

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

  357. 

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

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

  360.         }

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

  362.         {

  363.             uint32_t pluginId;

  364.             float value;

  365. 

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

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

  368. 

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

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

  371.         }

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

  373.         {

  374.             uint32_t pluginId;

  375.             float value;

  376. 

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

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

  379. 

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

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

  382.         }

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

  384.         {

  385.             uint32_t pluginId;

  386.             int32_t channel;

  387. 

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

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

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

  391. 

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

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

  394.         }

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

  396.         {

  397.             uint32_t pluginId, parameterId;

  398.             float value;

  399. 

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

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

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

  403. 

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

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

  406.         }

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

  408.         {

  409.             uint32_t pluginId, parameterId, channel;

  410. 

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

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

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

  414.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  415. 

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

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

  418.         }

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

  420.         {

  421.             uint32_t pluginId, parameterId;

  422.             int32_t cc;

  423. 

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

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

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

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

  428. 

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

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

  431.         }

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

  433.         {

  434.             uint32_t pluginId;

  435.             int32_t index;

  436. 

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

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

  439. 

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

  441.             {

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

  443.                 _updateParamValues(plugin, pluginId);

  444.             }

  445.         }

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

  447.         {

  448.             uint32_t pluginId;

  449.             int32_t index;

  450. 

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

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

  453. 

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

  455.             {

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

  457.                 _updateParamValues(plugin, pluginId);

  458.             }

  459.         }

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

  461.         {

  462.             uint32_t pluginId;

  463.             const char* type;

  464.             const char* key;

  465.             const char* value;

  466. 

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

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

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

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

  471. 

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

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

  474. 

  475.             delete[] type;

  476.             delete[] key;

  477.             delete[] value;

  478.         }

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

  480.         {

  481.             uint32_t pluginId;

  482.             const char* cdata;

  483. 

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

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

  486. 

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

  488.             {

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

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

  491.             }

  492. 

  493.             delete[] cdata;

  494.         }

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

  496.         {

  497.             uint32_t pluginId;

  498. 

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

  500. 

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

  502.                 plugin->prepareForSave();

  503.         }

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

  505.         {

  506.             uint32_t pluginId;

  507. 

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

  509. 

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

  511.                 plugin->resetParameters();

  512.         }

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

  514.         {

  515.             uint32_t pluginId;

  516. 

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

  518. 

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

  520.                 plugin->randomizeParameters();

  521.         }

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

  523.         {

  524.             uint32_t pluginId, channel, note, velocity;

  525. 

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

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

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

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

  530.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  531.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  532.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  533. 

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

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

  536.         }

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

  538.         {

  539.             uint32_t pluginId;

  540.             bool yesNo;

  541. 

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

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

  544. 

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

  546.                 plugin->showCustomUI(yesNo);

  547.         }

  548.         else if (std::strcmp(msg, "ready") == 0)

  549.         {

  550.             uint64_t winId;

  551. 

  552.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsULong(winId), true);

  553. 

  554.             fRemoteWinId = static_cast<intptr_t>(winId);

  555.         }

  556.         else

  557.         {

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

  559.             return false;

  560.         }

  561. 

  562.         if (! ok)

  563.         {

  564.             const CarlaMutexLocker cml(getPipeLock());

  565.             writeMessage("error\n", 6);

  566.             writeAndFixMessage(fEngine->getLastError());

  567.             flushMessages();

  568.         }

  569. 

  570.         return true;

  571.     }

  572. 

  573. private:

  574.     CarlaEngine* const fEngine;

  575.     intptr_t           fRemoteWinId;

  576. 

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

  578.     {

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

  580.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

  581.                               pluginId, static_cast<int>(i), 0, plugin->getParameterValue(i), nullptr);

  582.     }

  583. 

  584.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  585. };

  586. 

  587. // -----------------------------------------------------------------------

  588. 

  589. class CarlaEngineNative : public CarlaEngine

  590. {

  591. public:

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

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

  594.         : CarlaEngine(),

  595.           pHost(host),

  596.           kIsPatchbay(isPatchbay),

  597.           kHasMidiOut(withMidiOut),

  598.           fIsActive(false),

  599.           fIsRunning(false),

  600.           fUiServer(this),

  601.           fOptionsForced(false),

  602.           fWaitForReadyMsg(false)

  603.     {

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

  605. 

  606.         carla_zeroChars(fTmpBuf, STR_MAX+1);

  607. 

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

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

  610.         pData->initTime(nullptr);

  611. 

  612.         if (outChan == 0)

  613.             outChan = inChan;

  614. 

  615.         // set-up engine

  616.         if (kIsPatchbay)

  617.         {

  618.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  619.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  620.             pData->options.forceStereo         = false;

  621.             pData->options.preferPluginBridges = false;

  622.             pData->options.preferUiBridges     = false;

  623.             init("Carla-Patchbay");

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

  625.         }

  626.         else

  627.         {

  628.             CARLA_SAFE_ASSERT(inChan == 2);

  629.             CARLA_SAFE_ASSERT(outChan == 2);

  630.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  631.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  632.             pData->options.forceStereo         = true;

  633.             pData->options.preferPluginBridges = false;

  634.             pData->options.preferUiBridges     = false;

  635.             init("Carla-Rack");

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

  637.         }

  638. 

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

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

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

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

  643. 

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

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

  646. 

  647.         setCallback(_ui_server_callback, this);

  648.     }

  649. 

  650.     ~CarlaEngineNative() override

  651.     {

  652.         CARLA_SAFE_ASSERT(! fIsActive);

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

  654. 

  655.         pData->aboutToClose = true;

  656.         fIsRunning = false;

  657. 

  658.         removeAllPlugins();

  659.         //runPendingRtEvents();

  660.         close();

  661. 

  662.         pData->graph.destroy();

  663. 

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

  665.     }

  666. 

  667. protected:

  668.     // -------------------------------------

  669.     // CarlaEngine virtual calls

  670. 

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

  672.     {

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

  674. 

  675.         fIsRunning = true;

  676. 

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

  678.         {

  679.             close();

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

  681.             return false;

  682.         }

  683. 

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

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

  686. 

  687.         return true;

  688.     }

  689. 

  690.     bool close() override

  691.     {

  692.         fIsRunning = false;

  693.         CarlaEngine::close();

  694.         return true;

  695.     }

  696. 

  697.     bool isRunning() const noexcept override

  698.     {

  699.         return fIsRunning;

  700.     }

  701. 

  702.     bool isOffline() const noexcept override

  703.     {

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

  705.     }

  706. 

  707.     bool usesConstantBufferSize() const noexcept override

  708.     {

  709.         // TODO

  710.         return true;

  711.     }

  712. 

  713.     EngineType getType() const noexcept override

  714.     {

  715.         return kEngineTypePlugin;

  716.     }

  717. 

  718.     const char* getCurrentDriverName() const noexcept override

  719.     {

  720.         return "Plugin";

  721.     }

  722. 

  723.     void callback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr) noexcept override

  724.     {

  725.         CarlaEngine::callback(action, pluginId, value1, value2, value3, valueStr);

  726. 

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

  728.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_HOST_IDLE, 0, 0, nullptr, 0.0f);

  729.     }

  730. 

  731.     // -------------------------------------------------------------------

  732. 

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

  734.     {

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

  736.         {

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

  738.             return retName;

  739.         }

  740. 

  741.         return nullptr;

  742.     }

  743. 

  744.     // -------------------------------------------------------------------

  745. 

  746.     void bufferSizeChanged(const uint32_t newBufferSize)

  747.     {

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

  749.             return;

  750. 

  751.         {

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

  753. 

  754.             fUiServer.writeAndFixMessage("buffer-size");

  755.             std::sprintf(fTmpBuf, "%i\n", newBufferSize);

  756.             fUiServer.writeMessage(fTmpBuf);

  757.             fUiServer.flushMessages();

  758.         }

  759. 

  760.         pData->bufferSize = newBufferSize;

  761.         CarlaEngine::bufferSizeChanged(newBufferSize);

  762.     }

  763. 

  764.     void sampleRateChanged(const double newSampleRate)

  765.     {

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

  767.             return;

  768. 

  769.         {

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

  771.             const ScopedLocale csl;

  772. 

  773.             fUiServer.writeAndFixMessage("sample-rate");

  774.             std::sprintf(fTmpBuf, "%f\n", newSampleRate);

  775.             fUiServer.writeMessage(fTmpBuf);

  776.             fUiServer.flushMessages();

  777.         }

  778. 

  779.         pData->sampleRate = newSampleRate;

  780.         CarlaEngine::sampleRateChanged(newSampleRate);

  781.     }

  782. 

  783.     // -------------------------------------------------------------------

  784. 

  785.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  786.     {

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

  788. 

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

  790. 

  791.         std::sprintf(fTmpBuf, "PLUGIN_INFO_%i\n", pluginId);

  792.         fUiServer.writeMessage(fTmpBuf);

  793. 

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

  795.         fUiServer.writeMessage(fTmpBuf);

  796. 

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

  798.         {

  799.             std::sprintf(fTmpBuf, "%s", filename);

  800.             fUiServer.writeAndFixMessage(fTmpBuf);

  801.         }

  802.         else

  803.             fUiServer.writeMessage("\n");

  804. 

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

  806.         {

  807.             std::sprintf(fTmpBuf, "%s", name);

  808.             fUiServer.writeAndFixMessage(fTmpBuf);

  809.         }

  810.         else

  811.             fUiServer.writeMessage("\n");

  812. 

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

  814.         {

  815.             std::sprintf(fTmpBuf, "%s", iconName);

  816.             fUiServer.writeAndFixMessage(fTmpBuf);

  817.         }

  818.         else

  819.             fUiServer.writeMessage("\n");

  820. 

  821.         plugin->getRealName(fTmpBuf);

  822.         fUiServer.writeAndFixMessage(fTmpBuf);

  823. 

  824.         plugin->getLabel(fTmpBuf);

  825.         fUiServer.writeAndFixMessage(fTmpBuf);

  826. 

  827.         plugin->getMaker(fTmpBuf);

  828.         fUiServer.writeAndFixMessage(fTmpBuf);

  829. 

  830.         plugin->getCopyright(fTmpBuf);

  831.         fUiServer.writeAndFixMessage(fTmpBuf);

  832. 

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

  834.         fUiServer.writeMessage(fTmpBuf);

  835. 

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

  837.         fUiServer.writeMessage(fTmpBuf);

  838. 

  839.         fUiServer.flushMessages();

  840.     }

  841. 

  842.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  843.     {

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

  845.         const ScopedLocale csl;

  846. 

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

  848. 

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

  850.         {

  851.             std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  852.             fUiServer.writeMessage(fTmpBuf);

  853.             std::sprintf(fTmpBuf, "%f\n", plugin->getInternalParameterValue(i));

  854.             fUiServer.writeMessage(fTmpBuf);

  855.             fUiServer.flushMessages();

  856.         }

  857. 

  858.         uint32_t ins, outs, count;

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

  860.         count = plugin->getParameterCount();

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

  862.         fUiServer.writeMessage(fTmpBuf);

  863. 

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

  865.         {

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

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

  868. 

  869.             std::sprintf(fTmpBuf, "PARAMETER_DATA_%i:%i\n", pluginId, i);

  870.             fUiServer.writeMessage(fTmpBuf);

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

  872.             fUiServer.writeMessage(fTmpBuf);

  873.             plugin->getParameterName(i, fTmpBuf);

  874.             fUiServer.writeAndFixMessage(fTmpBuf);

  875.             plugin->getParameterUnit(i, fTmpBuf);

  876.             fUiServer.writeAndFixMessage(fTmpBuf);

  877. 

  878.             std::sprintf(fTmpBuf, "PARAMETER_RANGES_%i:%i\n", pluginId, i);

  879.             fUiServer.writeMessage(fTmpBuf);

  880.             std::sprintf(fTmpBuf, "%f:%f:%f:%f:%f:%f\n", paramRanges.def, paramRanges.min, paramRanges.max, paramRanges.step, paramRanges.stepSmall, paramRanges.stepLarge);

  881.             fUiServer.writeMessage(fTmpBuf);

  882. 

  883.             std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  884.             fUiServer.writeMessage(fTmpBuf);

  885.             std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(i));

  886.             fUiServer.writeMessage(fTmpBuf);

  887.         }

  888. 

  889.         fUiServer.flushMessages();

  890.     }

  891. 

  892.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  893.     {

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

  895. 

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

  897. 

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

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

  900.         fUiServer.writeMessage(fTmpBuf);

  901. 

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

  903.         {

  904.             std::sprintf(fTmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);

  905.             fUiServer.writeMessage(fTmpBuf);

  906.             plugin->getProgramName(i, fTmpBuf);

  907.             fUiServer.writeAndFixMessage(fTmpBuf);

  908.         }

  909. 

  910.         fUiServer.flushMessages();

  911. 

  912.         count = plugin->getMidiProgramCount();

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

  914.         fUiServer.writeMessage(fTmpBuf);

  915. 

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

  917.         {

  918.             std::sprintf(fTmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);

  919.             fUiServer.writeMessage(fTmpBuf);

  920. 

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

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

  923.             fUiServer.writeMessage(fTmpBuf);

  924.             std::sprintf(fTmpBuf, "%s", mpData.name);

  925.             fUiServer.writeAndFixMessage(fTmpBuf);

  926.         }

  927. 

  928.         fUiServer.flushMessages();

  929.     }

  930. 

  931.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  932.     {

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

  934. 

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

  936. 

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

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

  939.         fUiServer.writeMessage(fTmpBuf);

  940. 

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

  942.         {

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

  944.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  945. 

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

  947.                 continue;

  948. 

  949.             std::sprintf(fTmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  950.             fUiServer.writeMessage(fTmpBuf);

  951. 

  952.             fUiServer.writeAndFixMessage(customData.type);

  953.             fUiServer.writeAndFixMessage(customData.key);

  954.             fUiServer.writeAndFixMessage(customData.value);

  955.         }

  956. 

  957.         fUiServer.flushMessages();

  958.     }

  959. 

  960.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr)

  961.     {

  962.         if (! fIsRunning)

  963.             return;

  964.         if (! fUiServer.isPipeRunning())

  965.             return;

  966. 

  967.         CarlaPlugin* plugin;

  968. 

  969.         switch (action)

  970.         {

  971.         case ENGINE_CALLBACK_UPDATE:

  972.             plugin = getPlugin(pluginId);

  973. 

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

  975.             {

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

  977.                 uiServerSendPluginProperties(plugin);

  978.             }

  979.             break;

  980. 

  981.         case ENGINE_CALLBACK_RELOAD_INFO:

  982.             plugin = getPlugin(pluginId);

  983. 

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

  985.             {

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

  987.                 uiServerSendPluginInfo(plugin);

  988.             }

  989.             break;

  990. 

  991.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  992.             plugin = getPlugin(pluginId);

  993. 

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

  995.             {

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

  997.                 uiServerSendPluginParameters(plugin);

  998.             }

  999.             break;

  1000. 

  1001.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1002.             plugin = getPlugin(pluginId);

  1003. 

  1004.             if (plugin != nullptr && plugin->isEnabled())

  1005.             {

  1006.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1007.                 uiServerSendPluginPrograms(plugin);

  1008.             }

  1009.             break;

  1010. 

  1011.         case ENGINE_CALLBACK_RELOAD_ALL:

  1012.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1013.             plugin = getPlugin(pluginId);

  1014. 

  1015.             if (plugin != nullptr && plugin->isEnabled())

  1016.             {

  1017.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1018.                 uiServerSendPluginInfo(plugin);

  1019.                 uiServerSendPluginParameters(plugin);

  1020.                 uiServerSendPluginPrograms(plugin);

  1021.                 uiServerSendPluginProperties(plugin);

  1022.             }

  1023.             break;

  1024. 

  1025.         default:

  1026.             break;

  1027.         }

  1028. 

  1029.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1030.         const ScopedLocale csl;

  1031. 

  1032.         std::sprintf(fTmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1033.         fUiServer.writeMessage(fTmpBuf);

  1034. 

  1035.         std::sprintf(fTmpBuf, "%u\n", pluginId);

  1036.         fUiServer.writeMessage(fTmpBuf);

  1037. 

  1038.         std::sprintf(fTmpBuf, "%i\n", value1);

  1039.         fUiServer.writeMessage(fTmpBuf);

  1040. 

  1041.         std::sprintf(fTmpBuf, "%i\n", value2);

  1042.         fUiServer.writeMessage(fTmpBuf);

  1043. 

  1044.         std::sprintf(fTmpBuf, "%f\n", value3);

  1045.         fUiServer.writeMessage(fTmpBuf);

  1046. 

  1047.         fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : "");

  1048. 

  1049.         fUiServer.flushMessages();

  1050.     }

  1051. 

  1052.     void uiServerInfo()

  1053.     {

  1054.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1055.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1056. 

  1057.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1058. 

  1059. #ifdef HAVE_LIBLO

  1060.         fUiServer.writeAndFixMessage("osc-urls");

  1061.         fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP());

  1062.         fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP());

  1063. #endif

  1064. 

  1065.         fUiServer.writeAndFixMessage("max-plugin-number");

  1066.         std::sprintf(fTmpBuf, "%i\n", pData->maxPluginNumber);

  1067.         fUiServer.writeMessage(fTmpBuf);

  1068. 

  1069.         fUiServer.writeAndFixMessage("buffer-size");

  1070.         std::sprintf(fTmpBuf, "%i\n", pData->bufferSize);

  1071.         fUiServer.writeMessage(fTmpBuf);

  1072. 

  1073.         const ScopedLocale csl;

  1074. 

  1075.         fUiServer.writeAndFixMessage("sample-rate");

  1076.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1077.         fUiServer.writeMessage(fTmpBuf);

  1078. 

  1079.         fUiServer.flushMessages();

  1080.     }

  1081. 

  1082.     void uiServerOptions()

  1083.     {

  1084.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1085.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1086. 

  1087.         const EngineOptions& options(pData->options);

  1088.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1089. 

  1090.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1091.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1092. 

  1093.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1094.         fUiServer.writeMessage(fTmpBuf);

  1095.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1096.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1097.         fUiServer.writeMessage(fTmpBuf);

  1098.         fUiServer.flushMessages();

  1099. 

  1100.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1101.         fUiServer.writeMessage(fTmpBuf);

  1102.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1103.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1104.         fUiServer.writeMessage(fTmpBuf);

  1105.         fUiServer.flushMessages();

  1106. 

  1107.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1108.         fUiServer.writeMessage(fTmpBuf);

  1109.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1110.         fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n");

  1111.         fUiServer.flushMessages();

  1112. 

  1113.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1114.         fUiServer.writeMessage(fTmpBuf);

  1115.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1116.         fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n");

  1117.         fUiServer.flushMessages();

  1118. 

  1119.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1120.         fUiServer.writeMessage(fTmpBuf);

  1121.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1122.         fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n");

  1123.         fUiServer.flushMessages();

  1124. 

  1125.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1126.         fUiServer.writeMessage(fTmpBuf);

  1127.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1128.         fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1129.         fUiServer.flushMessages();

  1130. 

  1131.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1132.         fUiServer.writeMessage(fTmpBuf);

  1133.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1134.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1135.         fUiServer.writeMessage(fTmpBuf);

  1136.         fUiServer.flushMessages();

  1137. 

  1138.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1139.         fUiServer.writeMessage(fTmpBuf);

  1140.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1141.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1142.         fUiServer.writeMessage(fTmpBuf);

  1143.         fUiServer.flushMessages();

  1144. 

  1145.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1146.         fUiServer.writeMessage(fTmpBuf);

  1147.         fUiServer.writeMessage("true\n", 5);

  1148.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1149.         fUiServer.writeMessage(fTmpBuf);

  1150.         fUiServer.flushMessages();

  1151. 

  1152.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1153.         fUiServer.writeMessage(fTmpBuf);

  1154.         fUiServer.writeMessage("true\n", 5);

  1155.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1156.         fUiServer.writeMessage(fTmpBuf);

  1157.         fUiServer.flushMessages();

  1158.     }

  1159. 

  1160.     // -------------------------------------------------------------------

  1161.     // Plugin parameter calls

  1162. 

  1163.     uint32_t getParameterCount() const

  1164.     {

  1165.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1166.             return plugin->getParameterCount();

  1167. 

  1168.         return 0;

  1169.     }

  1170. 

  1171.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1172.     {

  1173.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1174.         {

  1175.             if (index < plugin->getParameterCount())

  1176.             {

  1177.                 static NativeParameter param;

  1178.                 static char strBufName[STR_MAX+1];

  1179.                 static char strBufUnit[STR_MAX+1];

  1180. 

  1181.                 const ParameterData& paramData(plugin->getParameterData(index));

  1182.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1183. 

  1184.                 plugin->getParameterName(index, strBufName);

  1185.                 plugin->getParameterUnit(index, strBufUnit);

  1186. 

  1187.                 uint hints = 0x0;

  1188. 

  1189.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1190.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1191.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1192.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1193.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1194.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1195.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1196.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1197.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1198.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1199.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1200.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1201. 

  1202.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1203.                 {

  1204.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1205.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1206.                     if (paramData.type == PARAMETER_OUTPUT)

  1207.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1208.                 }

  1209. 

  1210.                 param.hints = static_cast<NativeParameterHints>(hints);

  1211.                 param.name  = strBufName;

  1212.                 param.unit  = strBufUnit;

  1213.                 param.ranges.def = paramRanges.def;

  1214.                 param.ranges.min = paramRanges.min;

  1215.                 param.ranges.max = paramRanges.max;

  1216.                 param.ranges.step = paramRanges.step;

  1217.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1218.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1219.                 param.scalePointCount = 0; // TODO

  1220.                 param.scalePoints = nullptr;

  1221. 

  1222.                 return &param;

  1223.             }

  1224.         }

  1225. 

  1226.         return nullptr;

  1227.     }

  1228. 

  1229.     float getParameterValue(const uint32_t index) const

  1230.     {

  1231.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1232.         {

  1233.             if (index < plugin->getParameterCount())

  1234.                 return plugin->getParameterValue(index);

  1235.         }

  1236. 

  1237.         return 0.0f;

  1238.     }

  1239. 

  1240.     // -------------------------------------------------------------------

  1241.     // Plugin midi-program calls

  1242. 

  1243.     uint32_t getMidiProgramCount() const

  1244.     {

  1245.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1246.             return plugin->getMidiProgramCount();

  1247. 

  1248.         return 0;

  1249.     }

  1250. 

  1251.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1252.     {

  1253.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1254.         {

  1255.             if (index < plugin->getMidiProgramCount())

  1256.             {

  1257.                 static NativeMidiProgram midiProg;

  1258. 

  1259.                 {

  1260.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1261. 

  1262.                     midiProg.bank    = midiProgData.bank;

  1263.                     midiProg.program = midiProgData.program;

  1264.                     midiProg.name    = midiProgData.name;

  1265.                 }

  1266. 

  1267.                 return &midiProg;

  1268.             }

  1269.         }

  1270. 

  1271.         return nullptr;

  1272.     }

  1273. 

  1274.     // -------------------------------------------------------------------

  1275.     // Plugin state calls

  1276. 

  1277.     void setParameterValue(const uint32_t index, const float value)

  1278.     {

  1279.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1280.         {

  1281.             if (index < plugin->getParameterCount())

  1282.                 plugin->setParameterValue(index, value, false, false, false);

  1283.         }

  1284.     }

  1285. 

  1286.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1287.     {

  1288.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1289.             plugin->setMidiProgramById(bank, program, false, false, false);

  1290.     }

  1291. 

  1292.     // -------------------------------------------------------------------

  1293.     // Plugin process calls

  1294. 

  1295.     void activate()

  1296.     {

  1297. #if 0

  1298.         for (uint i=0; i < pData->curPluginCount; ++i)

  1299.         {

  1300.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1301. 

  1302.             if (plugin == nullptr || ! plugin->isEnabled())

  1303.                 continue;

  1304. 

  1305.             plugin->setActive(true, true, false);

  1306.         }

  1307. #endif

  1308.         fIsActive = true;

  1309.     }

  1310. 

  1311.     void deactivate()

  1312.     {

  1313.         fIsActive = false;

  1314. #if 0

  1315.         for (uint i=0; i < pData->curPluginCount; ++i)

  1316.         {

  1317.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1318. 

  1319.             if (plugin == nullptr || ! plugin->isEnabled())

  1320.                 continue;

  1321. 

  1322.             plugin->setActive(false, true, false);

  1323.         }

  1324. #endif

  1325. 

  1326.         // just in case

  1327.         //runPendingRtEvents();

  1328.     }

  1329. 

  1330.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1331.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1332.     {

  1333.         const PendingRtEventsRunner prt(this, frames);

  1334. 

  1335.         // ---------------------------------------------------------------

  1336.         // Time Info

  1337. 

  1338.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1339. 

  1340.         pData->timeInfo.playing = timeInfo->playing;

  1341.         pData->timeInfo.frame   = timeInfo->frame;

  1342.         pData->timeInfo.usecs   = timeInfo->usecs;

  1343.         pData->timeInfo.valid   = 0x0;

  1344. 

  1345.         if (timeInfo->bbt.valid)

  1346.         {

  1347.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1348. 

  1349.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1350.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1351.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1352.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1353. 

  1354.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1355.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1356. 

  1357.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1358.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1359.         }

  1360. 

  1361.         // ---------------------------------------------------------------

  1362.         // Do nothing if no plugins and rack mode

  1363. 

  1364.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1365.         {

  1366.             if (outBuffer[0] != inBuffer[0])

  1367.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1368. 

  1369.             if (outBuffer[1] != inBuffer[1])

  1370.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1371. 

  1372.             for (uint32_t i=0; i < midiEventCount; ++i)

  1373.             {

  1374.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1375.                     break;

  1376.             }

  1377.             return;

  1378.         }

  1379. 

  1380.         // ---------------------------------------------------------------

  1381.         // initialize events

  1382. 

  1383.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1384.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1385. 

  1386.         // ---------------------------------------------------------------

  1387.         // events input (before processing)

  1388. 

  1389.         {

  1390.             uint32_t engineEventIndex = 0;

  1391. 

  1392.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1393.             {

  1394.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1395.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1396. 

  1397.                 engineEvent.time = midiEvent.time;

  1398.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1399. 

  1400.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1401.                     break;

  1402.             }

  1403.         }

  1404. 

  1405.         if (kIsPatchbay)

  1406.         {

  1407.             // -----------------------------------------------------------

  1408.             // process

  1409. 

  1410.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1411.         }

  1412.         else

  1413.         {

  1414.             // -----------------------------------------------------------

  1415.             // create audio buffers

  1416. 

  1417.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1418.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1419. 

  1420.             // -----------------------------------------------------------

  1421.             // process

  1422. 

  1423.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1424.         }

  1425. 

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

  1427.         // events output (after processing)

  1428. 

  1429.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1430. 

  1431.         if (kHasMidiOut)

  1432.         {

  1433.             NativeMidiEvent midiEvent;

  1434. 

  1435.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1436.             {

  1437.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1438. 

  1439.                 if (engineEvent.type == kEngineEventTypeNull)

  1440.                     break;

  1441. 

  1442.                 midiEvent.time = engineEvent.time;

  1443. 

  1444.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1445.                 {

  1446.                     midiEvent.port = 0;

  1447.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1448.                 }

  1449.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1450.                 {

  1451.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1452.                         continue;

  1453. 

  1454.                     midiEvent.port = engineEvent.midi.port;

  1455.                     midiEvent.size = engineEvent.midi.size;

  1456. 

  1457.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1458. 

  1459.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1460.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1461.                 }

  1462.                 else

  1463.                 {

  1464.                     carla_stderr("Unknown event type...");

  1465.                     continue;

  1466.                 }

  1467. 

  1468.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1469.             }

  1470.         }

  1471.     }

  1472. 

  1473.     // -------------------------------------------------------------------

  1474.     // Plugin UI calls

  1475. 

  1476.     void uiShow(const bool show)

  1477.     {

  1478.         if (show)

  1479.         {

  1480.             if (fUiServer.isPipeRunning())

  1481.             {

  1482.                 fUiServer.writeFocusMessage();

  1483.                 return;

  1484.             }

  1485. 

  1486.             CarlaString path(pHost->resourceDir);

  1487. 

  1488.             if (kIsPatchbay)

  1489.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1490.             else

  1491.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1492. #ifdef CARLA_OS_WIN

  1493.             path += ".exe";

  1494. #endif

  1495.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1496. 

  1497.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1498. 

  1499.             if (! fUiServer.startPipeServer(false))

  1500.             {

  1501.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1502.                 return;

  1503.             }

  1504. 

  1505.             uiServerInfo();

  1506.             uiServerOptions();

  1507.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1508. 

  1509.             fUiServer.writeShowMessage();

  1510. 

  1511.             for (uint i=0; i < pData->curPluginCount; ++i)

  1512.             {

  1513.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1514. 

  1515.                 if (plugin != nullptr && plugin->isEnabled())

  1516.                 {

  1517.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1518.                 }

  1519.             }

  1520. 

  1521.             if (kIsPatchbay)

  1522.                 patchbayRefresh(false);

  1523. 

  1524.             if (fWaitForReadyMsg)

  1525.             {

  1526.                 carla_stdout("Using Carla plugin embedded, waiting for it to be ready...");

  1527. 

  1528.                 for (; fUiServer.isPipeRunning() && ! fUiServer.isReady();)

  1529.                 {

  1530.                     carla_msleep(25);

  1531.                     fUiServer.idlePipe();

  1532.                 }

  1533. 

  1534.                 carla_stdout("Done!");

  1535.             }

  1536.         }

  1537.         else

  1538.         {

  1539.             fUiServer.stopPipeServer(2000);

  1540. 

  1541.             // hide all custom uis

  1542.             for (uint i=0; i < pData->curPluginCount; ++i)

  1543.             {

  1544.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1545. 

  1546.                 if (plugin != nullptr && plugin->isEnabled())

  1547.                 {

  1548.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1549.                     {

  1550.                         try {

  1551.                             plugin->showCustomUI(false);

  1552.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1553.                     }

  1554.                 }

  1555.             }

  1556.         }

  1557.     }

  1558. 

  1559.     void uiIdle()

  1560.     {

  1561.         for (uint i=0; i < pData->curPluginCount; ++i)

  1562.         {

  1563.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1564. 

  1565.             if (plugin != nullptr && plugin->isEnabled())

  1566.             {

  1567.                 const uint hints(plugin->getHints());

  1568. 

  1569.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1570.                 {

  1571.                     try {

  1572.                         plugin->uiIdle();

  1573.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1574.                 }

  1575.             }

  1576.         }

  1577. 

  1578.         if (fUiServer.isPipeRunning())

  1579.         {

  1580.             fUiServer.idlePipe();

  1581. 

  1582.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1583. #ifndef CARLA_OS_WIN

  1584.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1585.             const ScopedLocale csl;

  1586. 

  1587.             // send transport

  1588.             fUiServer.writeAndFixMessage("transport");

  1589.             fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n");

  1590. 

  1591.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1592.             {

  1593.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1594.                 fUiServer.writeMessage(fTmpBuf);

  1595.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1596.                 fUiServer.writeMessage(fTmpBuf);

  1597.             }

  1598.             else

  1599.             {

  1600.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1601.                 fUiServer.writeMessage(fTmpBuf);

  1602.                 fUiServer.writeMessage("0.0\n");

  1603.             }

  1604. 

  1605.             fUiServer.flushMessages();

  1606. #endif

  1607. 

  1608.             // send peaks and param outputs for all plugins

  1609.             for (uint i=0; i < pData->curPluginCount; ++i)

  1610.             {

  1611.                 const EnginePluginData& plugData(pData->plugins[i]);

  1612.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1613. 

  1614.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1615.                 fUiServer.writeMessage(fTmpBuf);

  1616. 

  1617.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1618.                 fUiServer.writeMessage(fTmpBuf);

  1619.                 fUiServer.flushMessages();

  1620. 

  1621.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1622.                 {

  1623.                     if (! plugin->isParameterOutput(j))

  1624.                         continue;

  1625. 

  1626.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1627.                     fUiServer.writeMessage(fTmpBuf);

  1628.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1629.                     fUiServer.writeMessage(fTmpBuf);

  1630.                     fUiServer.flushMessages();

  1631.                 }

  1632.             }

  1633.         }

  1634. 

  1635.         switch (fUiServer.getAndResetUiState())

  1636.         {

  1637.         case CarlaExternalUI::UiNone:

  1638.         case CarlaExternalUI::UiShow:

  1639.             break;

  1640.         case CarlaExternalUI::UiCrashed:

  1641.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1642.             break;

  1643.         case CarlaExternalUI::UiHide:

  1644.             pHost->ui_closed(pHost->handle);

  1645.             fUiServer.stopPipeServer(1000);

  1646.             break;

  1647.         }

  1648.     }

  1649. 

  1650.     // -------------------------------------------------------------------

  1651.     // Plugin state calls

  1652. 

  1653.     char* getState() const

  1654.     {

  1655.         MemoryOutputStream out;

  1656.         saveProjectInternal(out);

  1657.         return strdup(out.toString().toRawUTF8());

  1658.     }

  1659. 

  1660.     void setState(const char* const data)

  1661.     {

  1662.         // remove all plugins from UI side

  1663.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1664.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1665. 

  1666.         // remove all plugins from backend, no lock

  1667.         fIsRunning = false;

  1668.         removeAllPlugins();

  1669.         fIsRunning = true;

  1670. 

  1671.         // stopped during removeAllPlugins()

  1672.         if (! pData->thread.isThreadRunning())

  1673.             pData->thread.startThread();

  1674. 

  1675.         fOptionsForced = true;

  1676.         const String state(data);

  1677.         XmlDocument xml(state);

  1678.         loadProjectInternal(xml);

  1679.     }

  1680. 

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

  1682. 

  1683. public:

  1684.     #define handlePtr ((CarlaEngineNative*)handle)

  1685. 

  1686.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1687.     {

  1688.         return new CarlaEngineNative(host, false, true);

  1689.     }

  1690. 

  1691.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  1692.     {

  1693.         return new CarlaEngineNative(host, false, false);

  1694.     }

  1695. 

  1696.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1697.     {

  1698.         return new CarlaEngineNative(host, true, true);

  1699.     }

  1700. 

  1701.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1702.     {

  1703.         return new CarlaEngineNative(host, true, true, 3, 2);

  1704.     }

  1705. 

  1706.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1707.     {

  1708.         return new CarlaEngineNative(host, true, true, 16);

  1709.     }

  1710. 

  1711.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1712.     {

  1713.         return new CarlaEngineNative(host, true, true, 32);

  1714.     }

  1715. 

  1716.     static void _cleanup(NativePluginHandle handle)

  1717.     {

  1718.         delete handlePtr;

  1719.     }

  1720. 

  1721.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1722.     {

  1723.         return handlePtr->getParameterCount();

  1724.     }

  1725. 

  1726.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1727.     {

  1728.         return handlePtr->getParameterInfo(index);

  1729.     }

  1730. 

  1731.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1732.     {

  1733.         return handlePtr->getParameterValue(index);

  1734.     }

  1735. 

  1736.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1737.     {

  1738.         return handlePtr->getMidiProgramCount();

  1739.     }

  1740. 

  1741.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1742.     {

  1743.         return handlePtr->getMidiProgramInfo(index);

  1744.     }

  1745. 

  1746.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1747.     {

  1748.         handlePtr->setParameterValue(index, value);

  1749.     }

  1750. 

  1751.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1752.     {

  1753.         handlePtr->setMidiProgram(channel, bank, program);

  1754.     }

  1755. 

  1756.     static void _ui_show(NativePluginHandle handle, bool show)

  1757.     {

  1758.         handlePtr->uiShow(show);

  1759.     }

  1760. 

  1761.     static void _ui_idle(NativePluginHandle handle)

  1762.     {

  1763.         handlePtr->uiIdle();

  1764.     }

  1765. 

  1766.     static void _activate(NativePluginHandle handle)

  1767.     {

  1768.         handlePtr->activate();

  1769.     }

  1770. 

  1771.     static void _deactivate(NativePluginHandle handle)

  1772.     {

  1773.         handlePtr->deactivate();

  1774.     }

  1775. 

  1776.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1777.     {

  1778.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1779.     }

  1780. 

  1781.     static char* _get_state(NativePluginHandle handle)

  1782.     {

  1783.         return handlePtr->getState();

  1784.     }

  1785. 

  1786.     static void _set_state(NativePluginHandle handle, const char* data)

  1787.     {

  1788.         handlePtr->setState(data);

  1789.     }

  1790. 

  1791.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1792.     {

  1793.         switch(opcode)

  1794.         {

  1795.         case NATIVE_PLUGIN_OPCODE_NULL:

  1796.             if (static_cast<uint32_t>(index) == 0xDEADF00D && static_cast<uintptr_t>(value) == 0xC0C0B00B)

  1797.             {

  1798.                 handlePtr->fWaitForReadyMsg = true;

  1799.                 return handlePtr->fUiServer.getRemoteWinId();

  1800.             }

  1801.             return 0;

  1802.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1803.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1804.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1805.             return 0;

  1806.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1807.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1808.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1809.             return 0;

  1810.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1811.             handlePtr->offlineModeChanged(value != 0);

  1812.             return 0;

  1813.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1814.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1815.             return 0;

  1816.         }

  1817. 

  1818.         return 0;

  1819. 

  1820.         // unused

  1821.         (void)index;

  1822.         (void)ptr;

  1823.     }

  1824. 

  1825.     // -------------------------------------------------------------------

  1826. 

  1827.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1828.     {

  1829.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1830.     }

  1831. 

  1832.     // -------------------------------------------------------------------

  1833. 

  1834.     #undef handlePtr

  1835. 

  1836. private:

  1837.     const NativeHostDescriptor* const pHost;

  1838. 

  1839.     const bool kIsPatchbay; // rack if false

  1840.     const bool kHasMidiOut;

  1841.     bool fIsActive, fIsRunning;

  1842.     CarlaEngineNativeUI fUiServer;

  1843. 

  1844.     bool fOptionsForced;

  1845.     bool fWaitForReadyMsg;

  1846.     char fTmpBuf[STR_MAX+1];

  1847. 

  1848.     CarlaPlugin* _getFirstPlugin() const noexcept

  1849.     {

  1850.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1851.             return nullptr;

  1852. 

  1853.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1854. 

  1855.         if (plugin == nullptr || ! plugin->isEnabled())

  1856.             return nullptr;

  1857. 

  1858.         return pData->plugins[0].plugin;

  1859.     }

  1860. 

  1861.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1862. };

  1863. 

  1864. // -----------------------------------------------------------------------

  1865. 

  1866. static const NativePluginDescriptor carlaRackDesc = {

  1867.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1868.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1869.                                                   |NATIVE_PLUGIN_HAS_UI

  1870.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1871.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1872.                                                   |NATIVE_PLUGIN_USES_STATE

  1873.                                                   |NATIVE_PLUGIN_USES_TIME),

  1874.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1875.     /* audioIns  */ 2,

  1876.     /* audioOuts */ 2,

  1877.     /* midiIns   */ 1,

  1878.     /* midiOuts  */ 1,

  1879.     /* paramIns  */ 0,

  1880.     /* paramOuts */ 0,

  1881.     /* name      */ "Carla-Rack",

  1882.     /* label     */ "carlarack",

  1883.     /* maker     */ "falkTX",

  1884.     /* copyright */ "GNU GPL v2+",

  1885.     CarlaEngineNative::_instantiateRack,

  1886.     CarlaEngineNative::_cleanup,

  1887.     CarlaEngineNative::_get_parameter_count,

  1888.     CarlaEngineNative::_get_parameter_info,

  1889.     CarlaEngineNative::_get_parameter_value,

  1890.     CarlaEngineNative::_get_midi_program_count,

  1891.     CarlaEngineNative::_get_midi_program_info,

  1892.     CarlaEngineNative::_set_parameter_value,

  1893.     CarlaEngineNative::_set_midi_program,

  1894.     /* _set_custom_data        */ nullptr,

  1895.     CarlaEngineNative::_ui_show,

  1896.     CarlaEngineNative::_ui_idle,

  1897.     /* _ui_set_parameter_value */ nullptr,

  1898.     /* _ui_set_midi_program    */ nullptr,

  1899.     /* _ui_set_custom_data     */ nullptr,

  1900.     CarlaEngineNative::_activate,

  1901.     CarlaEngineNative::_deactivate,

  1902.     CarlaEngineNative::_process,

  1903.     CarlaEngineNative::_get_state,

  1904.     CarlaEngineNative::_set_state,

  1905.     CarlaEngineNative::_dispatcher

  1906. };

  1907. 

  1908. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  1909.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1910.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1911.                                                   |NATIVE_PLUGIN_HAS_UI

  1912.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1913.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1914.                                                   |NATIVE_PLUGIN_USES_STATE

  1915.                                                   |NATIVE_PLUGIN_USES_TIME),

  1916.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1917.     /* audioIns  */ 2,

  1918.     /* audioOuts */ 2,

  1919.     /* midiIns   */ 1,

  1920.     /* midiOuts  */ 0,

  1921.     /* paramIns  */ 0,

  1922.     /* paramOuts */ 0,

  1923.     /* name      */ "Carla-Rack (no midi out)",

  1924.     /* label     */ "carlarack-nomidiout",

  1925.     /* maker     */ "falkTX",

  1926.     /* copyright */ "GNU GPL v2+",

  1927.     CarlaEngineNative::_instantiateRackNoMidiOut,

  1928.     CarlaEngineNative::_cleanup,

  1929.     CarlaEngineNative::_get_parameter_count,

  1930.     CarlaEngineNative::_get_parameter_info,

  1931.     CarlaEngineNative::_get_parameter_value,

  1932.     CarlaEngineNative::_get_midi_program_count,

  1933.     CarlaEngineNative::_get_midi_program_info,

  1934.     CarlaEngineNative::_set_parameter_value,

  1935.     CarlaEngineNative::_set_midi_program,

  1936.     /* _set_custom_data        */ nullptr,

  1937.     CarlaEngineNative::_ui_show,

  1938.     CarlaEngineNative::_ui_idle,

  1939.     /* _ui_set_parameter_value */ nullptr,

  1940.     /* _ui_set_midi_program    */ nullptr,

  1941.     /* _ui_set_custom_data     */ nullptr,

  1942.     CarlaEngineNative::_activate,

  1943.     CarlaEngineNative::_deactivate,

  1944.     CarlaEngineNative::_process,

  1945.     CarlaEngineNative::_get_state,

  1946.     CarlaEngineNative::_set_state,

  1947.     CarlaEngineNative::_dispatcher

  1948. };

  1949. 

  1950. static const NativePluginDescriptor carlaPatchbayDesc = {

  1951.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1952.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1953.                                                   |NATIVE_PLUGIN_HAS_UI

  1954.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1955.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1956.                                                   |NATIVE_PLUGIN_USES_STATE

  1957.                                                   |NATIVE_PLUGIN_USES_TIME),

  1958.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1959.     /* audioIns  */ 2,

  1960.     /* audioOuts */ 2,

  1961.     /* midiIns   */ 1,

  1962.     /* midiOuts  */ 1,

  1963.     /* paramIns  */ 0,

  1964.     /* paramOuts */ 0,

  1965.     /* name      */ "Carla-Patchbay",

  1966.     /* label     */ "carlapatchbay",

  1967.     /* maker     */ "falkTX",

  1968.     /* copyright */ "GNU GPL v2+",

  1969.     CarlaEngineNative::_instantiatePatchbay,

  1970.     CarlaEngineNative::_cleanup,

  1971.     CarlaEngineNative::_get_parameter_count,

  1972.     CarlaEngineNative::_get_parameter_info,

  1973.     CarlaEngineNative::_get_parameter_value,

  1974.     CarlaEngineNative::_get_midi_program_count,

  1975.     CarlaEngineNative::_get_midi_program_info,

  1976.     CarlaEngineNative::_set_parameter_value,

  1977.     CarlaEngineNative::_set_midi_program,

  1978.     /* _set_custom_data        */ nullptr,

  1979.     CarlaEngineNative::_ui_show,

  1980.     CarlaEngineNative::_ui_idle,

  1981.     /* _ui_set_parameter_value */ nullptr,

  1982.     /* _ui_set_midi_program    */ nullptr,

  1983.     /* _ui_set_custom_data     */ nullptr,

  1984.     CarlaEngineNative::_activate,

  1985.     CarlaEngineNative::_deactivate,

  1986.     CarlaEngineNative::_process,

  1987.     CarlaEngineNative::_get_state,

  1988.     CarlaEngineNative::_set_state,

  1989.     CarlaEngineNative::_dispatcher

  1990. };

  1991. 

  1992. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1993.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1994.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1995.                                                   |NATIVE_PLUGIN_HAS_UI

  1996.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1997.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1998.                                                   |NATIVE_PLUGIN_USES_STATE

  1999.                                                   |NATIVE_PLUGIN_USES_TIME),

  2000.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2001.     /* audioIns  */ 3,

  2002.     /* audioOuts */ 2,

  2003.     /* midiIns   */ 1,

  2004.     /* midiOuts  */ 1,

  2005.     /* paramIns  */ 0,

  2006.     /* paramOuts */ 0,

  2007.     /* name      */ "Carla-Patchbay (sidechain)",

  2008.     /* label     */ "carlapatchbay3s",

  2009.     /* maker     */ "falkTX",

  2010.     /* copyright */ "GNU GPL v2+",

  2011.     CarlaEngineNative::_instantiatePatchbay3s,

  2012.     CarlaEngineNative::_cleanup,

  2013.     CarlaEngineNative::_get_parameter_count,

  2014.     CarlaEngineNative::_get_parameter_info,

  2015.     CarlaEngineNative::_get_parameter_value,

  2016.     CarlaEngineNative::_get_midi_program_count,

  2017.     CarlaEngineNative::_get_midi_program_info,

  2018.     CarlaEngineNative::_set_parameter_value,

  2019.     CarlaEngineNative::_set_midi_program,

  2020.     /* _set_custom_data        */ nullptr,

  2021.     CarlaEngineNative::_ui_show,

  2022.     CarlaEngineNative::_ui_idle,

  2023.     /* _ui_set_parameter_value */ nullptr,

  2024.     /* _ui_set_midi_program    */ nullptr,

  2025.     /* _ui_set_custom_data     */ nullptr,

  2026.     CarlaEngineNative::_activate,

  2027.     CarlaEngineNative::_deactivate,

  2028.     CarlaEngineNative::_process,

  2029.     CarlaEngineNative::_get_state,

  2030.     CarlaEngineNative::_set_state,

  2031.     CarlaEngineNative::_dispatcher

  2032. };

  2033. 

  2034. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2035.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2036.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2037.                                                   |NATIVE_PLUGIN_HAS_UI

  2038.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2039.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2040.                                                   |NATIVE_PLUGIN_USES_STATE

  2041.                                                   |NATIVE_PLUGIN_USES_TIME),

  2042.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2043.     /* audioIns  */ 16,

  2044.     /* audioOuts */ 16,

  2045.     /* midiIns   */ 1,

  2046.     /* midiOuts  */ 1,

  2047.     /* paramIns  */ 0,

  2048.     /* paramOuts */ 0,

  2049.     /* name      */ "Carla-Patchbay (16chan)",

  2050.     /* label     */ "carlapatchbay16",

  2051.     /* maker     */ "falkTX",

  2052.     /* copyright */ "GNU GPL v2+",

  2053.     CarlaEngineNative::_instantiatePatchbay16,

  2054.     CarlaEngineNative::_cleanup,

  2055.     CarlaEngineNative::_get_parameter_count,

  2056.     CarlaEngineNative::_get_parameter_info,

  2057.     CarlaEngineNative::_get_parameter_value,

  2058.     CarlaEngineNative::_get_midi_program_count,

  2059.     CarlaEngineNative::_get_midi_program_info,

  2060.     CarlaEngineNative::_set_parameter_value,

  2061.     CarlaEngineNative::_set_midi_program,

  2062.     /* _set_custom_data        */ nullptr,

  2063.     CarlaEngineNative::_ui_show,

  2064.     CarlaEngineNative::_ui_idle,

  2065.     /* _ui_set_parameter_value */ nullptr,

  2066.     /* _ui_set_midi_program    */ nullptr,

  2067.     /* _ui_set_custom_data     */ nullptr,

  2068.     CarlaEngineNative::_activate,

  2069.     CarlaEngineNative::_deactivate,

  2070.     CarlaEngineNative::_process,

  2071.     CarlaEngineNative::_get_state,

  2072.     CarlaEngineNative::_set_state,

  2073.     CarlaEngineNative::_dispatcher

  2074. };

  2075. 

  2076. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2077.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2078.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2079.                                                   |NATIVE_PLUGIN_HAS_UI

  2080.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2081.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2082.                                                   |NATIVE_PLUGIN_USES_STATE

  2083.                                                   |NATIVE_PLUGIN_USES_TIME),

  2084.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2085.     /* audioIns  */ 32,

  2086.     /* audioOuts */ 32,

  2087.     /* midiIns   */ 1,

  2088.     /* midiOuts  */ 1,

  2089.     /* paramIns  */ 0,

  2090.     /* paramOuts */ 0,

  2091.     /* name      */ "Carla-Patchbay (32chan)",

  2092.     /* label     */ "carlapatchbay32",

  2093.     /* maker     */ "falkTX",

  2094.     /* copyright */ "GNU GPL v2+",

  2095.     CarlaEngineNative::_instantiatePatchbay32,

  2096.     CarlaEngineNative::_cleanup,

  2097.     CarlaEngineNative::_get_parameter_count,

  2098.     CarlaEngineNative::_get_parameter_info,

  2099.     CarlaEngineNative::_get_parameter_value,

  2100.     CarlaEngineNative::_get_midi_program_count,

  2101.     CarlaEngineNative::_get_midi_program_info,

  2102.     CarlaEngineNative::_set_parameter_value,

  2103.     CarlaEngineNative::_set_midi_program,

  2104.     /* _set_custom_data        */ nullptr,

  2105.     CarlaEngineNative::_ui_show,

  2106.     CarlaEngineNative::_ui_idle,

  2107.     /* _ui_set_parameter_value */ nullptr,

  2108.     /* _ui_set_midi_program    */ nullptr,

  2109.     /* _ui_set_custom_data     */ nullptr,

  2110.     CarlaEngineNative::_activate,

  2111.     CarlaEngineNative::_deactivate,

  2112.     CarlaEngineNative::_process,

  2113.     CarlaEngineNative::_get_state,

  2114.     CarlaEngineNative::_set_state,

  2115.     CarlaEngineNative::_dispatcher

  2116. };

  2117. 

  2118. CARLA_BACKEND_END_NAMESPACE

  2119. 

  2120. // -----------------------------------------------------------------------

  2121. 

  2122. CARLA_EXPORT

  2123. void carla_register_native_plugin_carla();

  2124. 

  2125. void carla_register_native_plugin_carla()

  2126. {

  2127.     CARLA_BACKEND_USE_NAMESPACE;

  2128.     carla_register_native_plugin(&carlaRackDesc);

  2129.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2130.     carla_register_native_plugin(&carlaPatchbayDesc);

  2131.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2132.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2133.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2134. }

  2135. 

  2136. // -----------------------------------------------------------------------

  2137. 

  2138. CARLA_EXPORT

  2139. const NativePluginDescriptor* carla_get_native_rack_plugin();

  2140. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2141. {

  2142.     CARLA_BACKEND_USE_NAMESPACE;

  2143.     return &carlaRackDesc;

  2144. }

  2145. 

  2146. CARLA_EXPORT

  2147. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  2148. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2149. {

  2150.     CARLA_BACKEND_USE_NAMESPACE;

  2151.     return &carlaPatchbayDesc;

  2152. }

  2153. 

  2154. // -----------------------------------------------------------------------

  2155. // Extra stuff for linking purposes

  2156. 

  2157. #ifdef CARLA_PLUGIN_EXPORT

  2158. 

  2159. CARLA_BACKEND_START_NAMESPACE

  2160. 

  2161. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2162. 

  2163. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2164. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2165. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2166. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2167. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2168. 

  2169. CARLA_BACKEND_END_NAMESPACE

  2170. 

  2171. #include "CarlaHostCommon.cpp"

  2172. #include "CarlaPluginUI.cpp"

  2173. #include "CarlaDssiUtils.cpp"

  2174. #include "CarlaPatchbayUtils.cpp"

  2175. #include "CarlaPipeUtils.cpp"

  2176. #include "CarlaStateUtils.cpp"

  2177. 

  2178. #endif

  2179. 

  2180. // -----------------------------------------------------------------------