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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. #ifdef CARLA_PROPER_CPP11_SUPPORT

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

  492. #else

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

  494. #endif

  495.             }

  496. 

  497.             delete[] cdata;

  498.         }

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

  500.         {

  501.             uint32_t pluginId;

  502. 

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

  504. 

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

  506.                 plugin->prepareForSave();

  507.         }

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

  509.         {

  510.             uint32_t pluginId;

  511. 

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

  513. 

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

  515.                 plugin->resetParameters();

  516.         }

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

  518.         {

  519.             uint32_t pluginId;

  520. 

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

  522. 

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

  524.                 plugin->randomizeParameters();

  525.         }

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

  527.         {

  528.             uint32_t pluginId, channel, note, velocity;

  529. 

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

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

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

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

  534.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  535.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  536.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  537. 

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

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

  540.         }

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

  542.         {

  543.             uint32_t pluginId;

  544.             bool yesNo;

  545. 

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

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

  548. 

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

  550.                 plugin->showCustomUI(yesNo);

  551.         }

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

  553.         {

  554.             uint64_t winId;

  555. 

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

  557. 

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

  559.         }

  560.         else

  561.         {

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

  563.             return false;

  564.         }

  565. 

  566.         if (! ok)

  567.         {

  568.             const CarlaMutexLocker cml(getPipeLock());

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

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

  571.             flushMessages();

  572.         }

  573. 

  574.         return true;

  575.     }

  576. 

  577. private:

  578.     CarlaEngine* const fEngine;

  579.     intptr_t           fRemoteWinId;

  580. 

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

  582.     {

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

  584.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

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

  586.     }

  587. 

  588.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  589. };

  590. 

  591. // -----------------------------------------------------------------------

  592. 

  593. class CarlaEngineNative : public CarlaEngine

  594. {

  595. public:

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

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

  598.         : CarlaEngine(),

  599.           pHost(host),

  600.           kIsPatchbay(isPatchbay),

  601.           kHasMidiOut(withMidiOut),

  602.           fIsActive(false),

  603.           fIsRunning(false),

  604.           fUiServer(this),

  605.           fOptionsForced(false),

  606.           fWaitForReadyMsg(false)

  607.     {

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

  609. 

  610.         carla_zeroChars(fTmpBuf, STR_MAX+1);

  611. 

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

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

  614.         pData->initTime(nullptr);

  615. 

  616.         if (outChan == 0)

  617.             outChan = inChan;

  618. 

  619.         // set-up engine

  620.         if (kIsPatchbay)

  621.         {

  622.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  623.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  624.             pData->options.forceStereo         = false;

  625.             pData->options.preferPluginBridges = false;

  626.             pData->options.preferUiBridges     = false;

  627.             init("Carla-Patchbay");

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

  629.         }

  630.         else

  631.         {

  632.             CARLA_SAFE_ASSERT(inChan == 2);

  633.             CARLA_SAFE_ASSERT(outChan == 2);

  634.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  635.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  636.             pData->options.forceStereo         = true;

  637.             pData->options.preferPluginBridges = false;

  638.             pData->options.preferUiBridges     = false;

  639.             init("Carla-Rack");

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

  641.         }

  642. 

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

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

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

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

  647. 

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

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

  650. 

  651.         setCallback(_ui_server_callback, this);

  652.     }

  653. 

  654.     ~CarlaEngineNative() override

  655.     {

  656.         CARLA_SAFE_ASSERT(! fIsActive);

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

  658. 

  659.         pData->aboutToClose = true;

  660.         fIsRunning = false;

  661. 

  662.         removeAllPlugins();

  663.         //runPendingRtEvents();

  664.         close();

  665. 

  666.         pData->graph.destroy();

  667. 

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

  669.     }

  670. 

  671. protected:

  672.     // -------------------------------------

  673.     // CarlaEngine virtual calls

  674. 

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

  676.     {

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

  678. 

  679.         fIsRunning = true;

  680. 

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

  682.         {

  683.             close();

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

  685.             return false;

  686.         }

  687. 

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

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

  690. 

  691.         return true;

  692.     }

  693. 

  694.     bool close() override

  695.     {

  696.         fIsRunning = false;

  697.         CarlaEngine::close();

  698.         return true;

  699.     }

  700. 

  701.     bool isRunning() const noexcept override

  702.     {

  703.         return fIsRunning;

  704.     }

  705. 

  706.     bool isOffline() const noexcept override

  707.     {

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

  709.     }

  710. 

  711.     bool usesConstantBufferSize() const noexcept override

  712.     {

  713.         // TODO

  714.         return true;

  715.     }

  716. 

  717.     EngineType getType() const noexcept override

  718.     {

  719.         return kEngineTypePlugin;

  720.     }

  721. 

  722.     const char* getCurrentDriverName() const noexcept override

  723.     {

  724.         return "Plugin";

  725.     }

  726. 

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

  728.     {

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

  730. 

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

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

  733.     }

  734. 

  735.     // -------------------------------------------------------------------

  736. 

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

  738.     {

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

  740.         {

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

  742.             return retName;

  743.         }

  744. 

  745.         return nullptr;

  746.     }

  747. 

  748.     // -------------------------------------------------------------------

  749. 

  750.     void bufferSizeChanged(const uint32_t newBufferSize)

  751.     {

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

  753.             return;

  754. 

  755.         {

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

  757. 

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

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

  760.             fUiServer.writeMessage(fTmpBuf);

  761.             fUiServer.flushMessages();

  762.         }

  763. 

  764.         pData->bufferSize = newBufferSize;

  765.         CarlaEngine::bufferSizeChanged(newBufferSize);

  766.     }

  767. 

  768.     void sampleRateChanged(const double newSampleRate)

  769.     {

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

  771.             return;

  772. 

  773.         {

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

  775.             const ScopedLocale csl;

  776. 

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

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

  779.             fUiServer.writeMessage(fTmpBuf);

  780.             fUiServer.flushMessages();

  781.         }

  782. 

  783.         pData->sampleRate = newSampleRate;

  784.         CarlaEngine::sampleRateChanged(newSampleRate);

  785.     }

  786. 

  787.     // -------------------------------------------------------------------

  788. 

  789.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  790.     {

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

  792. 

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

  794. 

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

  796.         fUiServer.writeMessage(fTmpBuf);

  797. 

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

  799.         fUiServer.writeMessage(fTmpBuf);

  800. 

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

  802.         {

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

  804.             fUiServer.writeAndFixMessage(fTmpBuf);

  805.         }

  806.         else

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

  808. 

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

  810.         {

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

  812.             fUiServer.writeAndFixMessage(fTmpBuf);

  813.         }

  814.         else

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

  816. 

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

  818.         {

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

  820.             fUiServer.writeAndFixMessage(fTmpBuf);

  821.         }

  822.         else

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

  824. 

  825.         plugin->getRealName(fTmpBuf);

  826.         fUiServer.writeAndFixMessage(fTmpBuf);

  827. 

  828.         plugin->getLabel(fTmpBuf);

  829.         fUiServer.writeAndFixMessage(fTmpBuf);

  830. 

  831.         plugin->getMaker(fTmpBuf);

  832.         fUiServer.writeAndFixMessage(fTmpBuf);

  833. 

  834.         plugin->getCopyright(fTmpBuf);

  835.         fUiServer.writeAndFixMessage(fTmpBuf);

  836. 

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

  838.         fUiServer.writeMessage(fTmpBuf);

  839. 

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

  841.         fUiServer.writeMessage(fTmpBuf);

  842. 

  843.         fUiServer.flushMessages();

  844.     }

  845. 

  846.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  847.     {

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

  849.         const ScopedLocale csl;

  850. 

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

  852. 

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

  854.         {

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

  856.             fUiServer.writeMessage(fTmpBuf);

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

  858.             fUiServer.writeMessage(fTmpBuf);

  859.             fUiServer.flushMessages();

  860.         }

  861. 

  862.         uint32_t ins, outs, count;

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

  864.         count = plugin->getParameterCount();

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

  866.         fUiServer.writeMessage(fTmpBuf);

  867. 

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

  869.         {

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

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

  872. 

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

  874.             fUiServer.writeMessage(fTmpBuf);

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

  876.             fUiServer.writeMessage(fTmpBuf);

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

  878.             fUiServer.writeAndFixMessage(fTmpBuf);

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

  880.             fUiServer.writeAndFixMessage(fTmpBuf);

  881. 

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

  883.             fUiServer.writeMessage(fTmpBuf);

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

  885.             fUiServer.writeMessage(fTmpBuf);

  886. 

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

  888.             fUiServer.writeMessage(fTmpBuf);

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

  890.             fUiServer.writeMessage(fTmpBuf);

  891.         }

  892. 

  893.         fUiServer.flushMessages();

  894.     }

  895. 

  896.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  897.     {

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

  899. 

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

  901. 

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

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

  904.         fUiServer.writeMessage(fTmpBuf);

  905. 

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

  907.         {

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

  909.             fUiServer.writeMessage(fTmpBuf);

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

  911.             fUiServer.writeAndFixMessage(fTmpBuf);

  912.         }

  913. 

  914.         fUiServer.flushMessages();

  915. 

  916.         count = plugin->getMidiProgramCount();

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

  918.         fUiServer.writeMessage(fTmpBuf);

  919. 

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

  921.         {

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

  923.             fUiServer.writeMessage(fTmpBuf);

  924. 

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

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

  927.             fUiServer.writeMessage(fTmpBuf);

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

  929.             fUiServer.writeAndFixMessage(fTmpBuf);

  930.         }

  931. 

  932.         fUiServer.flushMessages();

  933.     }

  934. 

  935.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  936.     {

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

  938. 

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

  940. 

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

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

  943.         fUiServer.writeMessage(fTmpBuf);

  944. 

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

  946.         {

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

  948.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  949. 

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

  951.                 continue;

  952. 

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

  954.             fUiServer.writeMessage(fTmpBuf);

  955. 

  956.             fUiServer.writeAndFixMessage(customData.type);

  957.             fUiServer.writeAndFixMessage(customData.key);

  958.             fUiServer.writeAndFixMessage(customData.value);

  959.         }

  960. 

  961.         fUiServer.flushMessages();

  962.     }

  963. 

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

  965.     {

  966.         if (! fIsRunning)

  967.             return;

  968.         if (! fUiServer.isPipeRunning())

  969.             return;

  970. 

  971.         CarlaPlugin* plugin;

  972. 

  973.         switch (action)

  974.         {

  975.         case ENGINE_CALLBACK_UPDATE:

  976.             plugin = getPlugin(pluginId);

  977. 

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

  979.             {

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

  981.                 uiServerSendPluginProperties(plugin);

  982.             }

  983.             break;

  984. 

  985.         case ENGINE_CALLBACK_RELOAD_INFO:

  986.             plugin = getPlugin(pluginId);

  987. 

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

  989.             {

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

  991.                 uiServerSendPluginInfo(plugin);

  992.             }

  993.             break;

  994. 

  995.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  996.             plugin = getPlugin(pluginId);

  997. 

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

  999.             {

  1000.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1001.                 uiServerSendPluginParameters(plugin);

  1002.             }

  1003.             break;

  1004. 

  1005.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1006.             plugin = getPlugin(pluginId);

  1007. 

  1008.             if (plugin != nullptr && plugin->isEnabled())

  1009.             {

  1010.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1011.                 uiServerSendPluginPrograms(plugin);

  1012.             }

  1013.             break;

  1014. 

  1015.         case ENGINE_CALLBACK_RELOAD_ALL:

  1016.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1017.             plugin = getPlugin(pluginId);

  1018. 

  1019.             if (plugin != nullptr && plugin->isEnabled())

  1020.             {

  1021.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1022.                 uiServerSendPluginInfo(plugin);

  1023.                 uiServerSendPluginParameters(plugin);

  1024.                 uiServerSendPluginPrograms(plugin);

  1025.                 uiServerSendPluginProperties(plugin);

  1026.             }

  1027.             break;

  1028. 

  1029.         default:

  1030.             break;

  1031.         }

  1032. 

  1033.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1034.         const ScopedLocale csl;

  1035. 

  1036.         std::sprintf(fTmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1037.         fUiServer.writeMessage(fTmpBuf);

  1038. 

  1039.         std::sprintf(fTmpBuf, "%u\n", pluginId);

  1040.         fUiServer.writeMessage(fTmpBuf);

  1041. 

  1042.         std::sprintf(fTmpBuf, "%i\n", value1);

  1043.         fUiServer.writeMessage(fTmpBuf);

  1044. 

  1045.         std::sprintf(fTmpBuf, "%i\n", value2);

  1046.         fUiServer.writeMessage(fTmpBuf);

  1047. 

  1048.         std::sprintf(fTmpBuf, "%f\n", value3);

  1049.         fUiServer.writeMessage(fTmpBuf);

  1050. 

  1051.         fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : "");

  1052. 

  1053.         fUiServer.flushMessages();

  1054.     }

  1055. 

  1056.     void uiServerInfo()

  1057.     {

  1058.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1059.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1060. 

  1061.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1062. 

  1063. #ifdef HAVE_LIBLO

  1064.         fUiServer.writeAndFixMessage("osc-urls");

  1065.         fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP());

  1066.         fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP());

  1067. #endif

  1068. 

  1069.         fUiServer.writeAndFixMessage("max-plugin-number");

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

  1071.         fUiServer.writeMessage(fTmpBuf);

  1072. 

  1073.         fUiServer.writeAndFixMessage("buffer-size");

  1074.         std::sprintf(fTmpBuf, "%i\n", pData->bufferSize);

  1075.         fUiServer.writeMessage(fTmpBuf);

  1076. 

  1077.         const ScopedLocale csl;

  1078. 

  1079.         fUiServer.writeAndFixMessage("sample-rate");

  1080.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1081.         fUiServer.writeMessage(fTmpBuf);

  1082. 

  1083.         fUiServer.flushMessages();

  1084.     }

  1085. 

  1086.     void uiServerOptions()

  1087.     {

  1088.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1089.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1090. 

  1091.         const EngineOptions& options(pData->options);

  1092.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1093. 

  1094.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1095.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1096. 

  1097.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1098.         fUiServer.writeMessage(fTmpBuf);

  1099.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1100.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1101.         fUiServer.writeMessage(fTmpBuf);

  1102.         fUiServer.flushMessages();

  1103. 

  1104.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1105.         fUiServer.writeMessage(fTmpBuf);

  1106.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1107.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1108.         fUiServer.writeMessage(fTmpBuf);

  1109.         fUiServer.flushMessages();

  1110. 

  1111.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1112.         fUiServer.writeMessage(fTmpBuf);

  1113.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1114.         fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n");

  1115.         fUiServer.flushMessages();

  1116. 

  1117.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1118.         fUiServer.writeMessage(fTmpBuf);

  1119.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1120.         fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n");

  1121.         fUiServer.flushMessages();

  1122. 

  1123.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1124.         fUiServer.writeMessage(fTmpBuf);

  1125.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1126.         fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n");

  1127.         fUiServer.flushMessages();

  1128. 

  1129.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1130.         fUiServer.writeMessage(fTmpBuf);

  1131.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1132.         fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1133.         fUiServer.flushMessages();

  1134. 

  1135.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1136.         fUiServer.writeMessage(fTmpBuf);

  1137.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1138.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1139.         fUiServer.writeMessage(fTmpBuf);

  1140.         fUiServer.flushMessages();

  1141. 

  1142.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1143.         fUiServer.writeMessage(fTmpBuf);

  1144.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1145.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1146.         fUiServer.writeMessage(fTmpBuf);

  1147.         fUiServer.flushMessages();

  1148. 

  1149.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1150.         fUiServer.writeMessage(fTmpBuf);

  1151.         fUiServer.writeMessage("true\n", 5);

  1152.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1153.         fUiServer.writeMessage(fTmpBuf);

  1154.         fUiServer.flushMessages();

  1155. 

  1156.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1157.         fUiServer.writeMessage(fTmpBuf);

  1158.         fUiServer.writeMessage("true\n", 5);

  1159.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1160.         fUiServer.writeMessage(fTmpBuf);

  1161.         fUiServer.flushMessages();

  1162.     }

  1163. 

  1164.     // -------------------------------------------------------------------

  1165.     // Plugin parameter calls

  1166. 

  1167.     uint32_t getParameterCount() const

  1168.     {

  1169.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1170.             return plugin->getParameterCount();

  1171. 

  1172.         return 0;

  1173.     }

  1174. 

  1175.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1176.     {

  1177.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1178.         {

  1179.             if (index < plugin->getParameterCount())

  1180.             {

  1181.                 static NativeParameter param;

  1182.                 static char strBufName[STR_MAX+1];

  1183.                 static char strBufUnit[STR_MAX+1];

  1184. 

  1185.                 const ParameterData& paramData(plugin->getParameterData(index));

  1186.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1187. 

  1188.                 plugin->getParameterName(index, strBufName);

  1189.                 plugin->getParameterUnit(index, strBufUnit);

  1190. 

  1191.                 uint hints = 0x0;

  1192. 

  1193.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1194.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1195.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1196.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1197.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1198.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1199.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1200.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1201.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1202.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1203.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1204.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1205. 

  1206.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1207.                 {

  1208.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1209.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1210.                     if (paramData.type == PARAMETER_OUTPUT)

  1211.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1212.                 }

  1213. 

  1214.                 param.hints = static_cast<NativeParameterHints>(hints);

  1215.                 param.name  = strBufName;

  1216.                 param.unit  = strBufUnit;

  1217.                 param.ranges.def = paramRanges.def;

  1218.                 param.ranges.min = paramRanges.min;

  1219.                 param.ranges.max = paramRanges.max;

  1220.                 param.ranges.step = paramRanges.step;

  1221.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1222.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1223.                 param.scalePointCount = 0; // TODO

  1224.                 param.scalePoints = nullptr;

  1225. 

  1226.                 return &param;

  1227.             }

  1228.         }

  1229. 

  1230.         return nullptr;

  1231.     }

  1232. 

  1233.     float getParameterValue(const uint32_t index) const

  1234.     {

  1235.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1236.         {

  1237.             if (index < plugin->getParameterCount())

  1238.                 return plugin->getParameterValue(index);

  1239.         }

  1240. 

  1241.         return 0.0f;

  1242.     }

  1243. 

  1244.     // -------------------------------------------------------------------

  1245.     // Plugin midi-program calls

  1246. 

  1247.     uint32_t getMidiProgramCount() const

  1248.     {

  1249.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1250.             return plugin->getMidiProgramCount();

  1251. 

  1252.         return 0;

  1253.     }

  1254. 

  1255.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1256.     {

  1257.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1258.         {

  1259.             if (index < plugin->getMidiProgramCount())

  1260.             {

  1261.                 static NativeMidiProgram midiProg;

  1262. 

  1263.                 {

  1264.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1265. 

  1266.                     midiProg.bank    = midiProgData.bank;

  1267.                     midiProg.program = midiProgData.program;

  1268.                     midiProg.name    = midiProgData.name;

  1269.                 }

  1270. 

  1271.                 return &midiProg;

  1272.             }

  1273.         }

  1274. 

  1275.         return nullptr;

  1276.     }

  1277. 

  1278.     // -------------------------------------------------------------------

  1279.     // Plugin state calls

  1280. 

  1281.     void setParameterValue(const uint32_t index, const float value)

  1282.     {

  1283.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1284.         {

  1285.             if (index < plugin->getParameterCount())

  1286.                 plugin->setParameterValue(index, value, false, false, false);

  1287.         }

  1288.     }

  1289. 

  1290.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1291.     {

  1292.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1293.             plugin->setMidiProgramById(bank, program, false, false, false);

  1294.     }

  1295. 

  1296.     // -------------------------------------------------------------------

  1297.     // Plugin process calls

  1298. 

  1299.     void activate()

  1300.     {

  1301. #if 0

  1302.         for (uint i=0; i < pData->curPluginCount; ++i)

  1303.         {

  1304.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1305. 

  1306.             if (plugin == nullptr || ! plugin->isEnabled())

  1307.                 continue;

  1308. 

  1309.             plugin->setActive(true, true, false);

  1310.         }

  1311. #endif

  1312.         fIsActive = true;

  1313.     }

  1314. 

  1315.     void deactivate()

  1316.     {

  1317.         fIsActive = false;

  1318. #if 0

  1319.         for (uint i=0; i < pData->curPluginCount; ++i)

  1320.         {

  1321.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1322. 

  1323.             if (plugin == nullptr || ! plugin->isEnabled())

  1324.                 continue;

  1325. 

  1326.             plugin->setActive(false, true, false);

  1327.         }

  1328. #endif

  1329. 

  1330.         // just in case

  1331.         //runPendingRtEvents();

  1332.     }

  1333. 

  1334.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1335.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1336.     {

  1337.         const PendingRtEventsRunner prt(this, frames);

  1338. 

  1339.         // ---------------------------------------------------------------

  1340.         // Time Info

  1341. 

  1342.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1343. 

  1344.         pData->timeInfo.playing = timeInfo->playing;

  1345.         pData->timeInfo.frame   = timeInfo->frame;

  1346.         pData->timeInfo.usecs   = timeInfo->usecs;

  1347.         pData->timeInfo.valid   = 0x0;

  1348. 

  1349.         if (timeInfo->bbt.valid)

  1350.         {

  1351.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1352. 

  1353.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

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

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

  1356.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1357. 

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

  1359.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1360. 

  1361.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1362.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1363.         }

  1364. 

  1365.         // ---------------------------------------------------------------

  1366.         // Do nothing if no plugins and rack mode

  1367. 

  1368.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1369.         {

  1370.             if (outBuffer[0] != inBuffer[0])

  1371.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1372. 

  1373.             if (outBuffer[1] != inBuffer[1])

  1374.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1375. 

  1376.             for (uint32_t i=0; i < midiEventCount; ++i)

  1377.             {

  1378.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1379.                     break;

  1380.             }

  1381.             return;

  1382.         }

  1383. 

  1384.         // ---------------------------------------------------------------

  1385.         // initialize events

  1386. 

  1387.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1388.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1389. 

  1390.         // ---------------------------------------------------------------

  1391.         // events input (before processing)

  1392. 

  1393.         {

  1394.             uint32_t engineEventIndex = 0;

  1395. 

  1396.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1397.             {

  1398.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1399.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1400. 

  1401.                 engineEvent.time = midiEvent.time;

  1402.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1403. 

  1404.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1405.                     break;

  1406.             }

  1407.         }

  1408. 

  1409.         if (kIsPatchbay)

  1410.         {

  1411.             // -----------------------------------------------------------

  1412.             // process

  1413. 

  1414.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1415.         }

  1416.         else

  1417.         {

  1418.             // -----------------------------------------------------------

  1419.             // create audio buffers

  1420. 

  1421.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1422.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1423. 

  1424.             // -----------------------------------------------------------

  1425.             // process

  1426. 

  1427.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1428.         }

  1429. 

  1430.         // ---------------------------------------------------------------

  1431.         // events output (after processing)

  1432. 

  1433.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1434. 

  1435.         if (kHasMidiOut)

  1436.         {

  1437.             NativeMidiEvent midiEvent;

  1438. 

  1439.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1440.             {

  1441.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1442. 

  1443.                 if (engineEvent.type == kEngineEventTypeNull)

  1444.                     break;

  1445. 

  1446.                 midiEvent.time = engineEvent.time;

  1447. 

  1448.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1449.                 {

  1450.                     midiEvent.port = 0;

  1451.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1452.                 }

  1453.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1454.                 {

  1455.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1456.                         continue;

  1457. 

  1458.                     midiEvent.port = engineEvent.midi.port;

  1459.                     midiEvent.size = engineEvent.midi.size;

  1460. 

  1461.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1462. 

  1463.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1464.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1465.                 }

  1466.                 else

  1467.                 {

  1468.                     carla_stderr("Unknown event type...");

  1469.                     continue;

  1470.                 }

  1471. 

  1472.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1473.             }

  1474.         }

  1475.     }

  1476. 

  1477.     // -------------------------------------------------------------------

  1478.     // Plugin UI calls

  1479. 

  1480.     void uiShow(const bool show)

  1481.     {

  1482.         if (show)

  1483.         {

  1484.             if (fUiServer.isPipeRunning())

  1485.             {

  1486.                 fUiServer.writeFocusMessage();

  1487.                 return;

  1488.             }

  1489. 

  1490.             CarlaString path(pHost->resourceDir);

  1491. 

  1492.             if (kIsPatchbay)

  1493.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1494.             else

  1495.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1496. #ifdef CARLA_OS_WIN

  1497.             path += ".exe";

  1498. #endif

  1499.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1500. 

  1501.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1502. 

  1503.             if (! fUiServer.startPipeServer(false))

  1504.             {

  1505.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1506.                 return;

  1507.             }

  1508. 

  1509.             uiServerInfo();

  1510.             uiServerOptions();

  1511.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1512. 

  1513.             fUiServer.writeShowMessage();

  1514. 

  1515.             for (uint i=0; i < pData->curPluginCount; ++i)

  1516.             {

  1517.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1518. 

  1519.                 if (plugin != nullptr && plugin->isEnabled())

  1520.                 {

  1521.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1522.                 }

  1523.             }

  1524. 

  1525.             if (kIsPatchbay)

  1526.                 patchbayRefresh(false);

  1527. 

  1528.             if (fWaitForReadyMsg)

  1529.             {

  1530.                 carla_stdout("Using Carla plugin embedded, waiting for it to be ready...");

  1531. 

  1532.                 for (; fUiServer.isPipeRunning() && ! fUiServer.isReady();)

  1533.                 {

  1534.                     carla_msleep(25);

  1535.                     fUiServer.idlePipe();

  1536.                 }

  1537. 

  1538.                 carla_stdout("Done!");

  1539.             }

  1540.         }

  1541.         else

  1542.         {

  1543.             fUiServer.stopPipeServer(2000);

  1544. 

  1545.             // hide all custom uis

  1546.             for (uint i=0; i < pData->curPluginCount; ++i)

  1547.             {

  1548.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1549. 

  1550.                 if (plugin != nullptr && plugin->isEnabled())

  1551.                 {

  1552.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1553.                     {

  1554.                         try {

  1555.                             plugin->showCustomUI(false);

  1556.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1557.                     }

  1558.                 }

  1559.             }

  1560.         }

  1561.     }

  1562. 

  1563.     void uiIdle()

  1564.     {

  1565.         for (uint i=0; i < pData->curPluginCount; ++i)

  1566.         {

  1567.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1568. 

  1569.             if (plugin != nullptr && plugin->isEnabled())

  1570.             {

  1571.                 const uint hints(plugin->getHints());

  1572. 

  1573.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1574.                 {

  1575.                     try {

  1576.                         plugin->uiIdle();

  1577.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1578.                 }

  1579.             }

  1580.         }

  1581. 

  1582.         if (fUiServer.isPipeRunning())

  1583.         {

  1584.             fUiServer.idlePipe();

  1585. 

  1586.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1587. #ifndef CARLA_OS_WIN

  1588.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1589.             const ScopedLocale csl;

  1590. 

  1591.             // send transport

  1592.             fUiServer.writeAndFixMessage("transport");

  1593.             fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n");

  1594. 

  1595.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1596.             {

  1597.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1598.                 fUiServer.writeMessage(fTmpBuf);

  1599.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1600.                 fUiServer.writeMessage(fTmpBuf);

  1601.             }

  1602.             else

  1603.             {

  1604.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1605.                 fUiServer.writeMessage(fTmpBuf);

  1606.                 fUiServer.writeMessage("0.0\n");

  1607.             }

  1608. 

  1609.             fUiServer.flushMessages();

  1610. #endif

  1611. 

  1612.             // send peaks and param outputs for all plugins

  1613.             for (uint i=0; i < pData->curPluginCount; ++i)

  1614.             {

  1615.                 const EnginePluginData& plugData(pData->plugins[i]);

  1616.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1617. 

  1618.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1619.                 fUiServer.writeMessage(fTmpBuf);

  1620. 

  1621.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1622.                 fUiServer.writeMessage(fTmpBuf);

  1623.                 fUiServer.flushMessages();

  1624. 

  1625.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1626.                 {

  1627.                     if (! plugin->isParameterOutput(j))

  1628.                         continue;

  1629. 

  1630.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1631.                     fUiServer.writeMessage(fTmpBuf);

  1632.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1633.                     fUiServer.writeMessage(fTmpBuf);

  1634.                     fUiServer.flushMessages();

  1635.                 }

  1636.             }

  1637.         }

  1638. 

  1639.         switch (fUiServer.getAndResetUiState())

  1640.         {

  1641.         case CarlaExternalUI::UiNone:

  1642.         case CarlaExternalUI::UiShow:

  1643.             break;

  1644.         case CarlaExternalUI::UiCrashed:

  1645.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1646.             break;

  1647.         case CarlaExternalUI::UiHide:

  1648.             pHost->ui_closed(pHost->handle);

  1649.             fUiServer.stopPipeServer(1000);

  1650.             break;

  1651.         }

  1652.     }

  1653. 

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

  1655.     // Plugin state calls

  1656. 

  1657.     char* getState() const

  1658.     {

  1659.         MemoryOutputStream out;

  1660.         saveProjectInternal(out);

  1661.         return strdup(out.toString().toRawUTF8());

  1662.     }

  1663. 

  1664.     void setState(const char* const data)

  1665.     {

  1666.         // remove all plugins from UI side

  1667.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1668.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1669. 

  1670.         // remove all plugins from backend, no lock

  1671.         fIsRunning = false;

  1672.         removeAllPlugins();

  1673.         fIsRunning = true;

  1674. 

  1675.         // stopped during removeAllPlugins()

  1676.         if (! pData->thread.isThreadRunning())

  1677.             pData->thread.startThread();

  1678. 

  1679.         fOptionsForced = true;

  1680.         const String state(data);

  1681.         XmlDocument xml(state);

  1682.         loadProjectInternal(xml);

  1683.     }

  1684. 

  1685.     // -------------------------------------------------------------------

  1686. 

  1687. public:

  1688.     #define handlePtr ((CarlaEngineNative*)handle)

  1689. 

  1690.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1691.     {

  1692.         return new CarlaEngineNative(host, false, true);

  1693.     }

  1694. 

  1695.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  1696.     {

  1697.         return new CarlaEngineNative(host, false, false);

  1698.     }

  1699. 

  1700.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1701.     {

  1702.         return new CarlaEngineNative(host, true, true);

  1703.     }

  1704. 

  1705.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1706.     {

  1707.         return new CarlaEngineNative(host, true, true, 3, 2);

  1708.     }

  1709. 

  1710.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1711.     {

  1712.         return new CarlaEngineNative(host, true, true, 16);

  1713.     }

  1714. 

  1715.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1716.     {

  1717.         return new CarlaEngineNative(host, true, true, 32);

  1718.     }

  1719. 

  1720.     static void _cleanup(NativePluginHandle handle)

  1721.     {

  1722.         delete handlePtr;

  1723.     }

  1724. 

  1725.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1726.     {

  1727.         return handlePtr->getParameterCount();

  1728.     }

  1729. 

  1730.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1731.     {

  1732.         return handlePtr->getParameterInfo(index);

  1733.     }

  1734. 

  1735.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1736.     {

  1737.         return handlePtr->getParameterValue(index);

  1738.     }

  1739. 

  1740.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1741.     {

  1742.         return handlePtr->getMidiProgramCount();

  1743.     }

  1744. 

  1745.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1746.     {

  1747.         return handlePtr->getMidiProgramInfo(index);

  1748.     }

  1749. 

  1750.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1751.     {

  1752.         handlePtr->setParameterValue(index, value);

  1753.     }

  1754. 

  1755.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1756.     {

  1757.         handlePtr->setMidiProgram(channel, bank, program);

  1758.     }

  1759. 

  1760.     static void _ui_show(NativePluginHandle handle, bool show)

  1761.     {

  1762.         handlePtr->uiShow(show);

  1763.     }

  1764. 

  1765.     static void _ui_idle(NativePluginHandle handle)

  1766.     {

  1767.         handlePtr->uiIdle();

  1768.     }

  1769. 

  1770.     static void _activate(NativePluginHandle handle)

  1771.     {

  1772.         handlePtr->activate();

  1773.     }

  1774. 

  1775.     static void _deactivate(NativePluginHandle handle)

  1776.     {

  1777.         handlePtr->deactivate();

  1778.     }

  1779. 

  1780.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1781.     {

  1782.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1783.     }

  1784. 

  1785.     static char* _get_state(NativePluginHandle handle)

  1786.     {

  1787.         return handlePtr->getState();

  1788.     }

  1789. 

  1790.     static void _set_state(NativePluginHandle handle, const char* data)

  1791.     {

  1792.         handlePtr->setState(data);

  1793.     }

  1794. 

  1795.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1796.     {

  1797.         switch(opcode)

  1798.         {

  1799.         case NATIVE_PLUGIN_OPCODE_NULL:

  1800.             if (static_cast<uint32_t>(index) == 0xDEADF00D && static_cast<uintptr_t>(value) == 0xC0C0B00B)

  1801.             {

  1802.                 handlePtr->fWaitForReadyMsg = true;

  1803.                 return handlePtr->fUiServer.getRemoteWinId();

  1804.             }

  1805.             return 0;

  1806.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1807.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1808.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1809.             return 0;

  1810.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1811.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1812.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1813.             return 0;

  1814.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1815.             handlePtr->offlineModeChanged(value != 0);

  1816.             return 0;

  1817.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1818.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1819.             return 0;

  1820.         }

  1821. 

  1822.         return 0;

  1823. 

  1824.         // unused

  1825.         (void)index;

  1826.         (void)ptr;

  1827.     }

  1828. 

  1829.     // -------------------------------------------------------------------

  1830. 

  1831.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1832.     {

  1833.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1834.     }

  1835. 

  1836.     // -------------------------------------------------------------------

  1837. 

  1838.     #undef handlePtr

  1839. 

  1840. private:

  1841.     const NativeHostDescriptor* const pHost;

  1842. 

  1843.     const bool kIsPatchbay; // rack if false

  1844.     const bool kHasMidiOut;

  1845.     bool fIsActive, fIsRunning;

  1846.     CarlaEngineNativeUI fUiServer;

  1847. 

  1848.     bool fOptionsForced;

  1849.     bool fWaitForReadyMsg;

  1850.     char fTmpBuf[STR_MAX+1];

  1851. 

  1852.     CarlaPlugin* _getFirstPlugin() const noexcept

  1853.     {

  1854.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1855.             return nullptr;

  1856. 

  1857.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1858. 

  1859.         if (plugin == nullptr || ! plugin->isEnabled())

  1860.             return nullptr;

  1861. 

  1862.         return pData->plugins[0].plugin;

  1863.     }

  1864. 

  1865.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1866. };

  1867. 

  1868. // -----------------------------------------------------------------------

  1869. 

  1870. static const NativePluginDescriptor carlaRackDesc = {

  1871.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1872.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1873.                                                   |NATIVE_PLUGIN_HAS_UI

  1874.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1875.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1876.                                                   |NATIVE_PLUGIN_USES_STATE

  1877.                                                   |NATIVE_PLUGIN_USES_TIME),

  1878.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1879.     /* audioIns  */ 2,

  1880.     /* audioOuts */ 2,

  1881.     /* midiIns   */ 1,

  1882.     /* midiOuts  */ 1,

  1883.     /* paramIns  */ 0,

  1884.     /* paramOuts */ 0,

  1885.     /* name      */ "Carla-Rack",

  1886.     /* label     */ "carlarack",

  1887.     /* maker     */ "falkTX",

  1888.     /* copyright */ "GNU GPL v2+",

  1889.     CarlaEngineNative::_instantiateRack,

  1890.     CarlaEngineNative::_cleanup,

  1891.     CarlaEngineNative::_get_parameter_count,

  1892.     CarlaEngineNative::_get_parameter_info,

  1893.     CarlaEngineNative::_get_parameter_value,

  1894.     CarlaEngineNative::_get_midi_program_count,

  1895.     CarlaEngineNative::_get_midi_program_info,

  1896.     CarlaEngineNative::_set_parameter_value,

  1897.     CarlaEngineNative::_set_midi_program,

  1898.     /* _set_custom_data        */ nullptr,

  1899.     CarlaEngineNative::_ui_show,

  1900.     CarlaEngineNative::_ui_idle,

  1901.     /* _ui_set_parameter_value */ nullptr,

  1902.     /* _ui_set_midi_program    */ nullptr,

  1903.     /* _ui_set_custom_data     */ nullptr,

  1904.     CarlaEngineNative::_activate,

  1905.     CarlaEngineNative::_deactivate,

  1906.     CarlaEngineNative::_process,

  1907.     CarlaEngineNative::_get_state,

  1908.     CarlaEngineNative::_set_state,

  1909.     CarlaEngineNative::_dispatcher

  1910. };

  1911. 

  1912. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  1913.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1914.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1915.                                                   |NATIVE_PLUGIN_HAS_UI

  1916.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1917.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1918.                                                   |NATIVE_PLUGIN_USES_STATE

  1919.                                                   |NATIVE_PLUGIN_USES_TIME),

  1920.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1921.     /* audioIns  */ 2,

  1922.     /* audioOuts */ 2,

  1923.     /* midiIns   */ 1,

  1924.     /* midiOuts  */ 0,

  1925.     /* paramIns  */ 0,

  1926.     /* paramOuts */ 0,

  1927.     /* name      */ "Carla-Rack (no midi out)",

  1928.     /* label     */ "carlarack-nomidiout",

  1929.     /* maker     */ "falkTX",

  1930.     /* copyright */ "GNU GPL v2+",

  1931.     CarlaEngineNative::_instantiateRackNoMidiOut,

  1932.     CarlaEngineNative::_cleanup,

  1933.     CarlaEngineNative::_get_parameter_count,

  1934.     CarlaEngineNative::_get_parameter_info,

  1935.     CarlaEngineNative::_get_parameter_value,

  1936.     CarlaEngineNative::_get_midi_program_count,

  1937.     CarlaEngineNative::_get_midi_program_info,

  1938.     CarlaEngineNative::_set_parameter_value,

  1939.     CarlaEngineNative::_set_midi_program,

  1940.     /* _set_custom_data        */ nullptr,

  1941.     CarlaEngineNative::_ui_show,

  1942.     CarlaEngineNative::_ui_idle,

  1943.     /* _ui_set_parameter_value */ nullptr,

  1944.     /* _ui_set_midi_program    */ nullptr,

  1945.     /* _ui_set_custom_data     */ nullptr,

  1946.     CarlaEngineNative::_activate,

  1947.     CarlaEngineNative::_deactivate,

  1948.     CarlaEngineNative::_process,

  1949.     CarlaEngineNative::_get_state,

  1950.     CarlaEngineNative::_set_state,

  1951.     CarlaEngineNative::_dispatcher

  1952. };

  1953. 

  1954. static const NativePluginDescriptor carlaPatchbayDesc = {

  1955.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1956.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1957.                                                   |NATIVE_PLUGIN_HAS_UI

  1958.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1959.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1960.                                                   |NATIVE_PLUGIN_USES_STATE

  1961.                                                   |NATIVE_PLUGIN_USES_TIME),

  1962.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1963.     /* audioIns  */ 2,

  1964.     /* audioOuts */ 2,

  1965.     /* midiIns   */ 1,

  1966.     /* midiOuts  */ 1,

  1967.     /* paramIns  */ 0,

  1968.     /* paramOuts */ 0,

  1969.     /* name      */ "Carla-Patchbay",

  1970.     /* label     */ "carlapatchbay",

  1971.     /* maker     */ "falkTX",

  1972.     /* copyright */ "GNU GPL v2+",

  1973.     CarlaEngineNative::_instantiatePatchbay,

  1974.     CarlaEngineNative::_cleanup,

  1975.     CarlaEngineNative::_get_parameter_count,

  1976.     CarlaEngineNative::_get_parameter_info,

  1977.     CarlaEngineNative::_get_parameter_value,

  1978.     CarlaEngineNative::_get_midi_program_count,

  1979.     CarlaEngineNative::_get_midi_program_info,

  1980.     CarlaEngineNative::_set_parameter_value,

  1981.     CarlaEngineNative::_set_midi_program,

  1982.     /* _set_custom_data        */ nullptr,

  1983.     CarlaEngineNative::_ui_show,

  1984.     CarlaEngineNative::_ui_idle,

  1985.     /* _ui_set_parameter_value */ nullptr,

  1986.     /* _ui_set_midi_program    */ nullptr,

  1987.     /* _ui_set_custom_data     */ nullptr,

  1988.     CarlaEngineNative::_activate,

  1989.     CarlaEngineNative::_deactivate,

  1990.     CarlaEngineNative::_process,

  1991.     CarlaEngineNative::_get_state,

  1992.     CarlaEngineNative::_set_state,

  1993.     CarlaEngineNative::_dispatcher

  1994. };

  1995. 

  1996. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1997.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1998.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1999.                                                   |NATIVE_PLUGIN_HAS_UI

  2000.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2001.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2002.                                                   |NATIVE_PLUGIN_USES_STATE

  2003.                                                   |NATIVE_PLUGIN_USES_TIME),

  2004.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2005.     /* audioIns  */ 3,

  2006.     /* audioOuts */ 2,

  2007.     /* midiIns   */ 1,

  2008.     /* midiOuts  */ 1,

  2009.     /* paramIns  */ 0,

  2010.     /* paramOuts */ 0,

  2011.     /* name      */ "Carla-Patchbay (sidechain)",

  2012.     /* label     */ "carlapatchbay3s",

  2013.     /* maker     */ "falkTX",

  2014.     /* copyright */ "GNU GPL v2+",

  2015.     CarlaEngineNative::_instantiatePatchbay3s,

  2016.     CarlaEngineNative::_cleanup,

  2017.     CarlaEngineNative::_get_parameter_count,

  2018.     CarlaEngineNative::_get_parameter_info,

  2019.     CarlaEngineNative::_get_parameter_value,

  2020.     CarlaEngineNative::_get_midi_program_count,

  2021.     CarlaEngineNative::_get_midi_program_info,

  2022.     CarlaEngineNative::_set_parameter_value,

  2023.     CarlaEngineNative::_set_midi_program,

  2024.     /* _set_custom_data        */ nullptr,

  2025.     CarlaEngineNative::_ui_show,

  2026.     CarlaEngineNative::_ui_idle,

  2027.     /* _ui_set_parameter_value */ nullptr,

  2028.     /* _ui_set_midi_program    */ nullptr,

  2029.     /* _ui_set_custom_data     */ nullptr,

  2030.     CarlaEngineNative::_activate,

  2031.     CarlaEngineNative::_deactivate,

  2032.     CarlaEngineNative::_process,

  2033.     CarlaEngineNative::_get_state,

  2034.     CarlaEngineNative::_set_state,

  2035.     CarlaEngineNative::_dispatcher

  2036. };

  2037. 

  2038. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2039.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2040.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2041.                                                   |NATIVE_PLUGIN_HAS_UI

  2042.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2043.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2044.                                                   |NATIVE_PLUGIN_USES_STATE

  2045.                                                   |NATIVE_PLUGIN_USES_TIME),

  2046.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2047.     /* audioIns  */ 16,

  2048.     /* audioOuts */ 16,

  2049.     /* midiIns   */ 1,

  2050.     /* midiOuts  */ 1,

  2051.     /* paramIns  */ 0,

  2052.     /* paramOuts */ 0,

  2053.     /* name      */ "Carla-Patchbay (16chan)",

  2054.     /* label     */ "carlapatchbay16",

  2055.     /* maker     */ "falkTX",

  2056.     /* copyright */ "GNU GPL v2+",

  2057.     CarlaEngineNative::_instantiatePatchbay16,

  2058.     CarlaEngineNative::_cleanup,

  2059.     CarlaEngineNative::_get_parameter_count,

  2060.     CarlaEngineNative::_get_parameter_info,

  2061.     CarlaEngineNative::_get_parameter_value,

  2062.     CarlaEngineNative::_get_midi_program_count,

  2063.     CarlaEngineNative::_get_midi_program_info,

  2064.     CarlaEngineNative::_set_parameter_value,

  2065.     CarlaEngineNative::_set_midi_program,

  2066.     /* _set_custom_data        */ nullptr,

  2067.     CarlaEngineNative::_ui_show,

  2068.     CarlaEngineNative::_ui_idle,

  2069.     /* _ui_set_parameter_value */ nullptr,

  2070.     /* _ui_set_midi_program    */ nullptr,

  2071.     /* _ui_set_custom_data     */ nullptr,

  2072.     CarlaEngineNative::_activate,

  2073.     CarlaEngineNative::_deactivate,

  2074.     CarlaEngineNative::_process,

  2075.     CarlaEngineNative::_get_state,

  2076.     CarlaEngineNative::_set_state,

  2077.     CarlaEngineNative::_dispatcher

  2078. };

  2079. 

  2080. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2081.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2082.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2083.                                                   |NATIVE_PLUGIN_HAS_UI

  2084.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2085.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2086.                                                   |NATIVE_PLUGIN_USES_STATE

  2087.                                                   |NATIVE_PLUGIN_USES_TIME),

  2088.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2089.     /* audioIns  */ 32,

  2090.     /* audioOuts */ 32,

  2091.     /* midiIns   */ 1,

  2092.     /* midiOuts  */ 1,

  2093.     /* paramIns  */ 0,

  2094.     /* paramOuts */ 0,

  2095.     /* name      */ "Carla-Patchbay (32chan)",

  2096.     /* label     */ "carlapatchbay32",

  2097.     /* maker     */ "falkTX",

  2098.     /* copyright */ "GNU GPL v2+",

  2099.     CarlaEngineNative::_instantiatePatchbay32,

  2100.     CarlaEngineNative::_cleanup,

  2101.     CarlaEngineNative::_get_parameter_count,

  2102.     CarlaEngineNative::_get_parameter_info,

  2103.     CarlaEngineNative::_get_parameter_value,

  2104.     CarlaEngineNative::_get_midi_program_count,

  2105.     CarlaEngineNative::_get_midi_program_info,

  2106.     CarlaEngineNative::_set_parameter_value,

  2107.     CarlaEngineNative::_set_midi_program,

  2108.     /* _set_custom_data        */ nullptr,

  2109.     CarlaEngineNative::_ui_show,

  2110.     CarlaEngineNative::_ui_idle,

  2111.     /* _ui_set_parameter_value */ nullptr,

  2112.     /* _ui_set_midi_program    */ nullptr,

  2113.     /* _ui_set_custom_data     */ nullptr,

  2114.     CarlaEngineNative::_activate,

  2115.     CarlaEngineNative::_deactivate,

  2116.     CarlaEngineNative::_process,

  2117.     CarlaEngineNative::_get_state,

  2118.     CarlaEngineNative::_set_state,

  2119.     CarlaEngineNative::_dispatcher

  2120. };

  2121. 

  2122. CARLA_BACKEND_END_NAMESPACE

  2123. 

  2124. // -----------------------------------------------------------------------

  2125. 

  2126. CARLA_EXPORT

  2127. void carla_register_native_plugin_carla();

  2128. 

  2129. void carla_register_native_plugin_carla()

  2130. {

  2131.     CARLA_BACKEND_USE_NAMESPACE;

  2132.     carla_register_native_plugin(&carlaRackDesc);

  2133.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2134.     carla_register_native_plugin(&carlaPatchbayDesc);

  2135.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2136.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2137.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2138. }

  2139. 

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

  2141. 

  2142. CARLA_EXPORT

  2143. const NativePluginDescriptor* carla_get_native_rack_plugin();

  2144. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2145. {

  2146.     CARLA_BACKEND_USE_NAMESPACE;

  2147.     return &carlaRackDesc;

  2148. }

  2149. 

  2150. CARLA_EXPORT

  2151. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  2152. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2153. {

  2154.     CARLA_BACKEND_USE_NAMESPACE;

  2155.     return &carlaPatchbayDesc;

  2156. }

  2157. 

  2158. // -----------------------------------------------------------------------

  2159. // Extra stuff for linking purposes

  2160. 

  2161. #ifdef CARLA_PLUGIN_EXPORT

  2162. 

  2163. CARLA_BACKEND_START_NAMESPACE

  2164. 

  2165. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2166. 

  2167. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2168. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2169. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2170. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2171. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2172. 

  2173. CARLA_BACKEND_END_NAMESPACE

  2174. 

  2175. #include "CarlaHostCommon.cpp"

  2176. #include "CarlaPluginUI.cpp"

  2177. #include "CarlaDssiUtils.cpp"

  2178. #include "CarlaPatchbayUtils.cpp"

  2179. #include "CarlaPipeUtils.cpp"

  2180. #include "CarlaStateUtils.cpp"

  2181. 

  2182. #endif

  2183. 

  2184. // -----------------------------------------------------------------------