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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 "juce_audio_basics/juce_audio_basics.h"

  38. 

  39. #if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  40. # include "juce_gui_basics/juce_gui_basics.h"

  41. #else

  42. namespace juce {

  43. # include "juce_events/messages/juce_Initialisation.h"

  44. } // namespace juce

  45. #endif

  46. 

  47. using juce::File;

  48. using juce::FloatVectorOperations;

  49. using juce::MemoryOutputStream;

  50. using juce::ScopedPointer;

  51. using juce::String;

  52. using juce::XmlDocument;

  53. using juce::XmlElement;

  54. 

  55. static bool gNeedsJuceHandling = false;

  56. static int  gJuceReferenceCounter = 0;

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

  60. // -----------------------------------------------------------------------

  61. 

  62. class CarlaEngineNativeUI : public CarlaExternalUI

  63. {

  64. public:

  65.     CarlaEngineNativeUI(CarlaEngine* const engine)

  66.         : fEngine(engine),

  67.           fRemoteWinId(0)

  68.     {

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

  70.     }

  71. 

  72.     ~CarlaEngineNativeUI() noexcept override

  73.     {

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

  75.     }

  76. 

  77.     bool isReady() const noexcept

  78.     {

  79.         return fRemoteWinId != 0;

  80.     }

  81. 

  82.     intptr_t getRemoteWinId() const noexcept

  83.     {

  84.         return fRemoteWinId;

  85.     }

  86. 

  87. protected:

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

  89.     {

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

  91.             return true;

  92. 

  93.         bool ok = true;

  94. 

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

  96.         {

  97.             uint32_t option;

  98.             int32_t value;

  99.             const char* valueStr = nullptr;

  100. 

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

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

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

  104. 

  105.             try {

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

  107.             } CARLA_SAFE_EXCEPTION("setOption");

  108. 

  109.             if (valueStr != nullptr)

  110.                 delete[] valueStr;

  111.         }

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

  113.         {

  114.             const char* filename;

  115. 

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

  117. 

  118.             try {

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

  120.             } CARLA_SAFE_EXCEPTION("loadFile");

  121. 

  122.             delete[] filename;

  123.         }

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

  125.         {

  126.             const char* filename;

  127. 

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

  129. 

  130.             try {

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

  132.             } CARLA_SAFE_EXCEPTION("loadProject");

  133. 

  134.             delete[] filename;

  135.         }

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

  137.         {

  138.             const char* filename;

  139. 

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

  141. 

  142.             try {

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

  144.             } CARLA_SAFE_EXCEPTION("saveProject");

  145. 

  146.             delete[] filename;

  147.         }

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

  149.         {

  150.             uint32_t groupA, portA, groupB, portB;

  151. 

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

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

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

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

  156. 

  157.             try {

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

  159.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  160.         }

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

  162.         {

  163.             uint32_t connectionId;

  164. 

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

  166. 

  167.             try {

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

  169.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  170.         }

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

  172.         {

  173.             try {

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

  175.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  176.         }

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

  178.         {

  179.             fEngine->transportPlay();

  180.         }

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

  182.         {

  183.             fEngine->transportPause();

  184.         }

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

  186.         {

  187.             uint64_t frame;

  188. 

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

  190. 

  191.             fEngine->transportRelocate(frame);

  192.         }

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

  194.         {

  195.             uint32_t btype, ptype;

  196.             const char* filename = nullptr;

  197.             const char* name;

  198.             const char* label;

  199.             int64_t uniqueId;

  200.             uint options;

  201. 

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

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

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

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

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

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

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

  209. 

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

  211.             {

  212.                 delete[] filename;

  213.                 filename = nullptr;

  214.             }

  215. 

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

  217.             {

  218.                 delete[] name;

  219.                 name = nullptr;

  220.             }

  221. 

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

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

  224. 

  225.             if (filename != nullptr)

  226.                 delete[] filename;

  227.             if (name != nullptr)

  228.                 delete[] name;

  229.             delete[] label;

  230.         }

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

  232.         {

  233.             uint32_t pluginId;

  234. 

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

  236. 

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

  238.         }

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

  240.         {

  241.             ok = fEngine->removeAllPlugins();

  242.         }

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

  244.         {

  245.             uint32_t pluginId;

  246.             const char* newName;

  247. 

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

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

  250. 

  251.             // TODO

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

  253. 

  254.             delete[] newName;

  255.         }

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

  257.         {

  258.             uint32_t pluginId;

  259. 

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

  261. 

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

  263.         }

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

  265.         {

  266.             uint32_t pluginId;

  267. 

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

  269. 

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

  271.         }

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

  273.         {

  274.             uint32_t pluginIdA, pluginIdB;

  275. 

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

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

  278. 

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

  280.         }

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

  282.         {

  283.             uint32_t pluginId;

  284.             const char* filename;

  285. 

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

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

  288. 

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

  290.                 plugin->loadStateFromFile(filename);

  291. 

  292.             delete[] filename;

  293.         }

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

  295.         {

  296.             uint32_t pluginId;

  297.             const char* filename;

  298. 

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

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

  301. 

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

  303.                 plugin->saveStateToFile(filename);

  304. 

  305.             delete[] filename;

  306.         }

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

  308.         {

  309.             uint32_t pluginId, option;

  310.             bool yesNo;

  311. 

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

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

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

  315. 

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

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

  318.         }

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

  320.         {

  321.             uint32_t pluginId;

  322.             bool onOff;

  323. 

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

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

  326. 

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

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

  329.         }

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

  331.         {

  332.             uint32_t pluginId;

  333.             float value;

  334. 

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

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

  337. 

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

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

  340.         }

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

  342.         {

  343.             uint32_t pluginId;

  344.             float value;

  345. 

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

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

  348. 

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

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

  351.         }

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

  353.         {

  354.             uint32_t pluginId;

  355.             float value;

  356. 

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

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

  359. 

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

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

  362.         }

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

  364.         {

  365.             uint32_t pluginId;

  366.             float value;

  367. 

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

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

  370. 

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

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

  373.         }

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

  375.         {

  376.             uint32_t pluginId;

  377.             float value;

  378. 

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

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

  381. 

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

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

  384.         }

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

  386.         {

  387.             uint32_t pluginId;

  388.             int32_t channel;

  389. 

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

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

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

  393. 

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

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

  396.         }

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

  398.         {

  399.             uint32_t pluginId, parameterId;

  400.             float value;

  401. 

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

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

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

  405. 

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

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

  408.         }

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

  410.         {

  411.             uint32_t pluginId, parameterId, channel;

  412. 

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

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

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

  416.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  417. 

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

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

  420.         }

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

  422.         {

  423.             uint32_t pluginId, parameterId;

  424.             int32_t cc;

  425. 

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

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

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

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

  430. 

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

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

  433.         }

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

  435.         {

  436.             uint32_t pluginId;

  437.             int32_t index;

  438. 

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

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

  441. 

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

  443.             {

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

  445.                 _updateParamValues(plugin, pluginId);

  446.             }

  447.         }

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

  449.         {

  450.             uint32_t pluginId;

  451.             int32_t index;

  452. 

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

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

  455. 

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

  457.             {

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

  459.                 _updateParamValues(plugin, pluginId);

  460.             }

  461.         }

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

  463.         {

  464.             uint32_t pluginId;

  465.             const char* type;

  466.             const char* key;

  467.             const char* value;

  468. 

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

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

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

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

  473. 

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

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

  476. 

  477.             delete[] type;

  478.             delete[] key;

  479.             delete[] value;

  480.         }

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

  482.         {

  483.             uint32_t pluginId;

  484.             const char* cdata;

  485. 

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

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

  488. 

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

  490.             {

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

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

  493.             }

  494. 

  495.             delete[] cdata;

  496.         }

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

  498.         {

  499.             uint32_t pluginId;

  500. 

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

  502. 

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

  504.                 plugin->prepareForSave();

  505.         }

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

  507.         {

  508.             uint32_t pluginId;

  509. 

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

  511. 

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

  513.                 plugin->resetParameters();

  514.         }

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

  516.         {

  517.             uint32_t pluginId;

  518. 

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

  520. 

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

  522.                 plugin->randomizeParameters();

  523.         }

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

  525.         {

  526.             uint32_t pluginId, channel, note, velocity;

  527. 

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

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

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

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

  532.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  533.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  534.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  535. 

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

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

  538.         }

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

  540.         {

  541.             uint32_t pluginId;

  542.             bool yesNo;

  543. 

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

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

  546. 

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

  548.                 plugin->showCustomUI(yesNo);

  549.         }

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

  551.         {

  552.             uint64_t winId;

  553. 

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

  555. 

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

  557.         }

  558.         else

  559.         {

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

  561.             return false;

  562.         }

  563. 

  564.         if (! ok)

  565.         {

  566.             const CarlaMutexLocker cml(getPipeLock());

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

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

  569.             flushMessages();

  570.         }

  571. 

  572.         return true;

  573.     }

  574. 

  575. private:

  576.     CarlaEngine* const fEngine;

  577.     intptr_t           fRemoteWinId;

  578. 

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

  580.     {

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

  582.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

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

  584.     }

  585. 

  586.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  587. };

  588. 

  589. // -----------------------------------------------------------------------

  590. 

  591. class CarlaEngineNative : public CarlaEngine

  592. {

  593. public:

  594.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay, const uint32_t inChan = 2, uint32_t outChan = 0)

  595.         : CarlaEngine(),

  596.           pHost(host),

  597.           kIsPatchbay(isPatchbay),

  598.           fIsActive(false),

  599.           fIsRunning(false),

  600.           fUiServer(this),

  601.           fOptionsForced(false),

  602.           fWaitForReadyMsg(false)

  603.     {

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

  605. 

  606.         CARLA_SAFE_ASSERT_INT(gJuceReferenceCounter >= 0, gJuceReferenceCounter);

  607. 

  608.         if (gNeedsJuceHandling && ++gJuceReferenceCounter == 1)

  609.             juce::initialiseJuce_GUI();

  610. 

  611.         carla_zeroChars(fTmpBuf, STR_MAX+1);

  612. 

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

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

  615.         pData->initTime(nullptr);

  616. 

  617.         if (outChan == 0)

  618.             outChan = inChan;

  619. 

  620.         // set-up engine

  621.         if (kIsPatchbay)

  622.         {

  623.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  624.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  625.             pData->options.forceStereo         = false;

  626.             pData->options.preferPluginBridges = false;

  627.             pData->options.preferUiBridges     = false;

  628.             init("Carla-Patchbay");

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

  630.         }

  631.         else

  632.         {

  633.             CARLA_SAFE_ASSERT(inChan == 2);

  634.             CARLA_SAFE_ASSERT(outChan == 2);

  635.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  636.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  637.             pData->options.forceStereo         = true;

  638.             pData->options.preferPluginBridges = false;

  639.             pData->options.preferUiBridges     = false;

  640.             init("Carla-Rack");

  641.             pData->graph.create(0, 0);

  642.         }

  643. 

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

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

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

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

  648. 

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

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

  651. 

  652.         setCallback(_ui_server_callback, this);

  653.     }

  654. 

  655.     ~CarlaEngineNative() override

  656.     {

  657.         CARLA_SAFE_ASSERT(! fIsActive);

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

  659. 

  660.         pData->aboutToClose = true;

  661.         fIsRunning = false;

  662. 

  663.         removeAllPlugins();

  664.         //runPendingRtEvents();

  665.         close();

  666. 

  667.         pData->graph.destroy();

  668. 

  669.         if (gNeedsJuceHandling && --gJuceReferenceCounter == 0)

  670.             juce::shutdownJuce_GUI();

  671. 

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

  673.     }

  674. 

  675. protected:

  676.     // -------------------------------------

  677.     // CarlaEngine virtual calls

  678. 

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

  680.     {

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

  682. 

  683.         fIsRunning = true;

  684. 

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

  686.         {

  687.             close();

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

  689.             return false;

  690.         }

  691. 

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

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

  694. 

  695.         return true;

  696.     }

  697. 

  698.     bool close() override

  699.     {

  700.         fIsRunning = false;

  701.         CarlaEngine::close();

  702.         return true;

  703.     }

  704. 

  705.     bool isRunning() const noexcept override

  706.     {

  707.         return fIsRunning;

  708.     }

  709. 

  710.     bool isOffline() const noexcept override

  711.     {

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

  713.     }

  714. 

  715.     bool usesConstantBufferSize() const noexcept override

  716.     {

  717.         // TODO

  718.         return true;

  719.     }

  720. 

  721.     EngineType getType() const noexcept override

  722.     {

  723.         return kEngineTypePlugin;

  724.     }

  725. 

  726.     const char* getCurrentDriverName() const noexcept override

  727.     {

  728.         return "Plugin";

  729.     }

  730. 

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

  732.     {

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

  734. 

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

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

  737.     }

  738. 

  739.     // -------------------------------------------------------------------

  740. 

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

  742.     {

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

  744.         {

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

  746.             return retName;

  747.         }

  748. 

  749.         return nullptr;

  750.     }

  751. 

  752.     // -------------------------------------------------------------------

  753. 

  754.     void bufferSizeChanged(const uint32_t newBufferSize)

  755.     {

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

  757.             return;

  758. 

  759.         {

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

  761. 

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

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

  764.             fUiServer.writeMessage(fTmpBuf);

  765.             fUiServer.flushMessages();

  766.         }

  767. 

  768.         pData->bufferSize = newBufferSize;

  769.         CarlaEngine::bufferSizeChanged(newBufferSize);

  770.     }

  771. 

  772.     void sampleRateChanged(const double newSampleRate)

  773.     {

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

  775.             return;

  776. 

  777.         {

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

  779.             const ScopedLocale csl;

  780. 

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

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

  783.             fUiServer.writeMessage(fTmpBuf);

  784.             fUiServer.flushMessages();

  785.         }

  786. 

  787.         pData->sampleRate = newSampleRate;

  788.         CarlaEngine::sampleRateChanged(newSampleRate);

  789.     }

  790. 

  791.     // -------------------------------------------------------------------

  792. 

  793.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  794.     {

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

  796. 

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

  798. 

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

  800.         fUiServer.writeMessage(fTmpBuf);

  801. 

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

  803.         fUiServer.writeMessage(fTmpBuf);

  804. 

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

  806.         {

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

  808.             fUiServer.writeAndFixMessage(fTmpBuf);

  809.         }

  810.         else

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

  812. 

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

  814.         {

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

  816.             fUiServer.writeAndFixMessage(fTmpBuf);

  817.         }

  818.         else

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

  820. 

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

  822.         {

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

  824.             fUiServer.writeAndFixMessage(fTmpBuf);

  825.         }

  826.         else

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

  828. 

  829.         plugin->getRealName(fTmpBuf);

  830.         fUiServer.writeAndFixMessage(fTmpBuf);

  831. 

  832.         plugin->getLabel(fTmpBuf);

  833.         fUiServer.writeAndFixMessage(fTmpBuf);

  834. 

  835.         plugin->getMaker(fTmpBuf);

  836.         fUiServer.writeAndFixMessage(fTmpBuf);

  837. 

  838.         plugin->getCopyright(fTmpBuf);

  839.         fUiServer.writeAndFixMessage(fTmpBuf);

  840. 

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

  842.         fUiServer.writeMessage(fTmpBuf);

  843. 

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

  845.         fUiServer.writeMessage(fTmpBuf);

  846. 

  847.         fUiServer.flushMessages();

  848.     }

  849. 

  850.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  851.     {

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

  853.         const ScopedLocale csl;

  854. 

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

  856. 

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

  858.         {

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

  860.             fUiServer.writeMessage(fTmpBuf);

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

  862.             fUiServer.writeMessage(fTmpBuf);

  863.             fUiServer.flushMessages();

  864.         }

  865. 

  866.         uint32_t ins, outs, count;

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

  868.         count = plugin->getParameterCount();

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

  870.         fUiServer.writeMessage(fTmpBuf);

  871. 

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

  873.         {

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

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

  876. 

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

  878.             fUiServer.writeMessage(fTmpBuf);

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

  880.             fUiServer.writeMessage(fTmpBuf);

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

  882.             fUiServer.writeAndFixMessage(fTmpBuf);

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

  884.             fUiServer.writeAndFixMessage(fTmpBuf);

  885. 

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

  887.             fUiServer.writeMessage(fTmpBuf);

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

  889.             fUiServer.writeMessage(fTmpBuf);

  890. 

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

  892.             fUiServer.writeMessage(fTmpBuf);

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

  894.             fUiServer.writeMessage(fTmpBuf);

  895.         }

  896. 

  897.         fUiServer.flushMessages();

  898.     }

  899. 

  900.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  901.     {

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

  903. 

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

  905. 

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

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

  908.         fUiServer.writeMessage(fTmpBuf);

  909. 

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

  911.         {

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

  913.             fUiServer.writeMessage(fTmpBuf);

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

  915.             fUiServer.writeAndFixMessage(fTmpBuf);

  916.         }

  917. 

  918.         fUiServer.flushMessages();

  919. 

  920.         count = plugin->getMidiProgramCount();

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

  922.         fUiServer.writeMessage(fTmpBuf);

  923. 

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

  925.         {

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

  927.             fUiServer.writeMessage(fTmpBuf);

  928. 

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

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

  931.             fUiServer.writeMessage(fTmpBuf);

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

  933.             fUiServer.writeAndFixMessage(fTmpBuf);

  934.         }

  935. 

  936.         fUiServer.flushMessages();

  937.     }

  938. 

  939.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  940.     {

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

  942. 

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

  944. 

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

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

  947.         fUiServer.writeMessage(fTmpBuf);

  948. 

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

  950.         {

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

  952.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  953. 

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

  955.                 continue;

  956. 

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

  958.             fUiServer.writeMessage(fTmpBuf);

  959. 

  960.             fUiServer.writeAndFixMessage(customData.type);

  961.             fUiServer.writeAndFixMessage(customData.key);

  962.             fUiServer.writeAndFixMessage(customData.value);

  963.         }

  964. 

  965.         fUiServer.flushMessages();

  966.     }

  967. 

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

  969.     {

  970.         if (! fIsRunning)

  971.             return;

  972.         if (! fUiServer.isPipeRunning())

  973.             return;

  974. 

  975.         CarlaPlugin* plugin;

  976. 

  977.         switch (action)

  978.         {

  979.         case ENGINE_CALLBACK_UPDATE:

  980.             plugin = getPlugin(pluginId);

  981. 

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

  983.             {

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

  985.                 uiServerSendPluginProperties(plugin);

  986.             }

  987.             break;

  988. 

  989.         case ENGINE_CALLBACK_RELOAD_INFO:

  990.             plugin = getPlugin(pluginId);

  991. 

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

  993.             {

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

  995.                 uiServerSendPluginInfo(plugin);

  996.             }

  997.             break;

  998. 

  999.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1000.             plugin = getPlugin(pluginId);

  1001. 

  1002.             if (plugin != nullptr && plugin->isEnabled())

  1003.             {

  1004.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1005.                 uiServerSendPluginParameters(plugin);

  1006.             }

  1007.             break;

  1008. 

  1009.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1010.             plugin = getPlugin(pluginId);

  1011. 

  1012.             if (plugin != nullptr && plugin->isEnabled())

  1013.             {

  1014.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1015.                 uiServerSendPluginPrograms(plugin);

  1016.             }

  1017.             break;

  1018. 

  1019.         case ENGINE_CALLBACK_RELOAD_ALL:

  1020.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1021.             plugin = getPlugin(pluginId);

  1022. 

  1023.             if (plugin != nullptr && plugin->isEnabled())

  1024.             {

  1025.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1026.                 uiServerSendPluginInfo(plugin);

  1027.                 uiServerSendPluginParameters(plugin);

  1028.                 uiServerSendPluginPrograms(plugin);

  1029.                 uiServerSendPluginProperties(plugin);

  1030.             }

  1031.             break;

  1032. 

  1033.         default:

  1034.             break;

  1035.         }

  1036. 

  1037.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1038.         const ScopedLocale csl;

  1039. 

  1040.         std::sprintf(fTmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1041.         fUiServer.writeMessage(fTmpBuf);

  1042. 

  1043.         std::sprintf(fTmpBuf, "%u\n", pluginId);

  1044.         fUiServer.writeMessage(fTmpBuf);

  1045. 

  1046.         std::sprintf(fTmpBuf, "%i\n", value1);

  1047.         fUiServer.writeMessage(fTmpBuf);

  1048. 

  1049.         std::sprintf(fTmpBuf, "%i\n", value2);

  1050.         fUiServer.writeMessage(fTmpBuf);

  1051. 

  1052.         std::sprintf(fTmpBuf, "%f\n", value3);

  1053.         fUiServer.writeMessage(fTmpBuf);

  1054. 

  1055.         fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : "");

  1056. 

  1057.         fUiServer.flushMessages();

  1058.     }

  1059. 

  1060.     void uiServerInfo()

  1061.     {

  1062.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1063.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1064. 

  1065.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1066. 

  1067. #ifdef HAVE_LIBLO

  1068.         fUiServer.writeAndFixMessage("osc-urls");

  1069.         fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP());

  1070.         fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP());

  1071. #endif

  1072. 

  1073.         fUiServer.writeAndFixMessage("max-plugin-number");

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

  1075.         fUiServer.writeMessage(fTmpBuf);

  1076. 

  1077.         fUiServer.writeAndFixMessage("buffer-size");

  1078.         std::sprintf(fTmpBuf, "%i\n", pData->bufferSize);

  1079.         fUiServer.writeMessage(fTmpBuf);

  1080. 

  1081.         const ScopedLocale csl;

  1082. 

  1083.         fUiServer.writeAndFixMessage("sample-rate");

  1084.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1085.         fUiServer.writeMessage(fTmpBuf);

  1086. 

  1087.         fUiServer.flushMessages();

  1088.     }

  1089. 

  1090.     void uiServerOptions()

  1091.     {

  1092.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1093.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1094. 

  1095.         const EngineOptions& options(pData->options);

  1096.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1097. 

  1098.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1099.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1100. 

  1101.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1102.         fUiServer.writeMessage(fTmpBuf);

  1103.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1104.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1105.         fUiServer.writeMessage(fTmpBuf);

  1106.         fUiServer.flushMessages();

  1107. 

  1108.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1109.         fUiServer.writeMessage(fTmpBuf);

  1110.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1111.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1112.         fUiServer.writeMessage(fTmpBuf);

  1113.         fUiServer.flushMessages();

  1114. 

  1115.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1116.         fUiServer.writeMessage(fTmpBuf);

  1117.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1118.         fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n");

  1119.         fUiServer.flushMessages();

  1120. 

  1121.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1122.         fUiServer.writeMessage(fTmpBuf);

  1123.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1124.         fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n");

  1125.         fUiServer.flushMessages();

  1126. 

  1127.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1128.         fUiServer.writeMessage(fTmpBuf);

  1129.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1130.         fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n");

  1131.         fUiServer.flushMessages();

  1132. 

  1133.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1134.         fUiServer.writeMessage(fTmpBuf);

  1135.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1136.         fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1137.         fUiServer.flushMessages();

  1138. 

  1139.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1140.         fUiServer.writeMessage(fTmpBuf);

  1141.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1142.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1143.         fUiServer.writeMessage(fTmpBuf);

  1144.         fUiServer.flushMessages();

  1145. 

  1146.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1147.         fUiServer.writeMessage(fTmpBuf);

  1148.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1149.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1150.         fUiServer.writeMessage(fTmpBuf);

  1151.         fUiServer.flushMessages();

  1152. 

  1153.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1154.         fUiServer.writeMessage(fTmpBuf);

  1155.         fUiServer.writeMessage("true\n", 5);

  1156.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1157.         fUiServer.writeMessage(fTmpBuf);

  1158.         fUiServer.flushMessages();

  1159. 

  1160.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1161.         fUiServer.writeMessage(fTmpBuf);

  1162.         fUiServer.writeMessage("true\n", 5);

  1163.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1164.         fUiServer.writeMessage(fTmpBuf);

  1165.         fUiServer.flushMessages();

  1166.     }

  1167. 

  1168.     // -------------------------------------------------------------------

  1169.     // Plugin parameter calls

  1170. 

  1171.     uint32_t getParameterCount() const

  1172.     {

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

  1174.             return plugin->getParameterCount();

  1175. 

  1176.         return 0;

  1177.     }

  1178. 

  1179.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1180.     {

  1181.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1182.         {

  1183.             if (index < plugin->getParameterCount())

  1184.             {

  1185.                 static NativeParameter param;

  1186.                 static char strBufName[STR_MAX+1];

  1187.                 static char strBufUnit[STR_MAX+1];

  1188. 

  1189.                 const ParameterData& paramData(plugin->getParameterData(index));

  1190.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1191. 

  1192.                 plugin->getParameterName(index, strBufName);

  1193.                 plugin->getParameterUnit(index, strBufUnit);

  1194. 

  1195.                 uint hints = 0x0;

  1196. 

  1197.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1198.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1199.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1200.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1201.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1202.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1203.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1204.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1205.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1206.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1207.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1208.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1209. 

  1210.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1211.                 {

  1212.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1213.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1214.                     if (paramData.type == PARAMETER_OUTPUT)

  1215.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1216.                 }

  1217. 

  1218.                 param.hints = static_cast<NativeParameterHints>(hints);

  1219.                 param.name  = strBufName;

  1220.                 param.unit  = strBufUnit;

  1221.                 param.ranges.def = paramRanges.def;

  1222.                 param.ranges.min = paramRanges.min;

  1223.                 param.ranges.max = paramRanges.max;

  1224.                 param.ranges.step = paramRanges.step;

  1225.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1226.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1227.                 param.scalePointCount = 0; // TODO

  1228.                 param.scalePoints = nullptr;

  1229. 

  1230.                 return &param;

  1231.             }

  1232.         }

  1233. 

  1234.         return nullptr;

  1235.     }

  1236. 

  1237.     float getParameterValue(const uint32_t index) const

  1238.     {

  1239.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1240.         {

  1241.             if (index < plugin->getParameterCount())

  1242.                 return plugin->getParameterValue(index);

  1243.         }

  1244. 

  1245.         return 0.0f;

  1246.     }

  1247. 

  1248.     // -------------------------------------------------------------------

  1249.     // Plugin midi-program calls

  1250. 

  1251.     uint32_t getMidiProgramCount() const

  1252.     {

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

  1254.             return plugin->getMidiProgramCount();

  1255. 

  1256.         return 0;

  1257.     }

  1258. 

  1259.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1260.     {

  1261.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1262.         {

  1263.             if (index < plugin->getMidiProgramCount())

  1264.             {

  1265.                 static NativeMidiProgram midiProg;

  1266. 

  1267.                 {

  1268.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1269. 

  1270.                     midiProg.bank    = midiProgData.bank;

  1271.                     midiProg.program = midiProgData.program;

  1272.                     midiProg.name    = midiProgData.name;

  1273.                 }

  1274. 

  1275.                 return &midiProg;

  1276.             }

  1277.         }

  1278. 

  1279.         return nullptr;

  1280.     }

  1281. 

  1282.     // -------------------------------------------------------------------

  1283.     // Plugin state calls

  1284. 

  1285.     void setParameterValue(const uint32_t index, const float value)

  1286.     {

  1287.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1288.         {

  1289.             if (index < plugin->getParameterCount())

  1290.                 plugin->setParameterValue(index, value, false, false, false);

  1291.         }

  1292.     }

  1293. 

  1294.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1295.     {

  1296.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1297.             plugin->setMidiProgramById(bank, program, false, false, false);

  1298.     }

  1299. 

  1300.     // -------------------------------------------------------------------

  1301.     // Plugin process calls

  1302. 

  1303.     void activate()

  1304.     {

  1305. #if 0

  1306.         for (uint i=0; i < pData->curPluginCount; ++i)

  1307.         {

  1308.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1309. 

  1310.             if (plugin == nullptr || ! plugin->isEnabled())

  1311.                 continue;

  1312. 

  1313.             plugin->setActive(true, true, false);

  1314.         }

  1315. #endif

  1316.         fIsActive = true;

  1317.     }

  1318. 

  1319.     void deactivate()

  1320.     {

  1321.         fIsActive = false;

  1322. #if 0

  1323.         for (uint i=0; i < pData->curPluginCount; ++i)

  1324.         {

  1325.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1326. 

  1327.             if (plugin == nullptr || ! plugin->isEnabled())

  1328.                 continue;

  1329. 

  1330.             plugin->setActive(false, true, false);

  1331.         }

  1332. #endif

  1333. 

  1334.         // just in case

  1335.         //runPendingRtEvents();

  1336.     }

  1337. 

  1338.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1339.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1340.     {

  1341.         const PendingRtEventsRunner prt(this, frames);

  1342. 

  1343.         // ---------------------------------------------------------------

  1344.         // Time Info

  1345. 

  1346.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1347. 

  1348.         pData->timeInfo.playing = timeInfo->playing;

  1349.         pData->timeInfo.frame   = timeInfo->frame;

  1350.         pData->timeInfo.usecs   = timeInfo->usecs;

  1351.         pData->timeInfo.valid   = 0x0;

  1352. 

  1353.         if (timeInfo->bbt.valid)

  1354.         {

  1355.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1356. 

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

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

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

  1360.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1361. 

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

  1363.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1364. 

  1365.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1366.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1367.         }

  1368. 

  1369.         // ---------------------------------------------------------------

  1370.         // Do nothing if no plugins and rack mode

  1371. 

  1372.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1373.         {

  1374.             if (outBuffer[0] != inBuffer[0])

  1375.                 FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1376. 

  1377.             if (outBuffer[1] != inBuffer[1])

  1378.                 FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1379. 

  1380.             for (uint32_t i=0; i < midiEventCount; ++i)

  1381.             {

  1382.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1383.                     break;

  1384.             }

  1385.             return;

  1386.         }

  1387. 

  1388.         // ---------------------------------------------------------------

  1389.         // initialize events

  1390. 

  1391.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1392.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1393. 

  1394.         // ---------------------------------------------------------------

  1395.         // events input (before processing)

  1396. 

  1397.         {

  1398.             uint32_t engineEventIndex = 0;

  1399. 

  1400.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1401.             {

  1402.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1403.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1404. 

  1405.                 engineEvent.time = midiEvent.time;

  1406.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1407. 

  1408.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1409.                     break;

  1410.             }

  1411.         }

  1412. 

  1413.         if (kIsPatchbay)

  1414.         {

  1415.             // -----------------------------------------------------------

  1416.             // process

  1417. 

  1418.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1419.         }

  1420.         else

  1421.         {

  1422.             // -----------------------------------------------------------

  1423.             // create audio buffers

  1424. 

  1425.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1426.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1427. 

  1428.             // -----------------------------------------------------------

  1429.             // process

  1430. 

  1431.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1432.         }

  1433. 

  1434.         // ---------------------------------------------------------------

  1435.         // events output (after processing)

  1436. 

  1437.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1438. 

  1439.         {

  1440.             NativeMidiEvent midiEvent;

  1441. 

  1442.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1443.             {

  1444.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1445. 

  1446.                 if (engineEvent.type == kEngineEventTypeNull)

  1447.                     break;

  1448. 

  1449.                 midiEvent.time = engineEvent.time;

  1450. 

  1451.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1452.                 {

  1453.                     midiEvent.port = 0;

  1454.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1455.                 }

  1456.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1457.                 {

  1458.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1459.                         continue;

  1460. 

  1461.                     midiEvent.port = engineEvent.midi.port;

  1462.                     midiEvent.size = engineEvent.midi.size;

  1463. 

  1464.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1465. 

  1466.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1467.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1468.                 }

  1469.                 else

  1470.                 {

  1471.                     carla_stderr("Unknown event type...");

  1472.                     continue;

  1473.                 }

  1474. 

  1475.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1476.             }

  1477.         }

  1478.     }

  1479. 

  1480.     // -------------------------------------------------------------------

  1481.     // Plugin UI calls

  1482. 

  1483.     void uiShow(const bool show)

  1484.     {

  1485.         if (show)

  1486.         {

  1487.             if (fUiServer.isPipeRunning())

  1488.             {

  1489.                 fUiServer.writeFocusMessage();

  1490.                 return;

  1491.             }

  1492. 

  1493.             CarlaString path(pHost->resourceDir);

  1494. 

  1495.             if (kIsPatchbay)

  1496.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1497.             else

  1498.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1499. #ifdef CARLA_OS_WIN

  1500.             path += ".exe";

  1501. #endif

  1502.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1503. 

  1504.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1505. 

  1506.             if (! fUiServer.startPipeServer(false))

  1507.             {

  1508.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1509.                 return;

  1510.             }

  1511. 

  1512.             uiServerInfo();

  1513.             uiServerOptions();

  1514.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1515. 

  1516.             fUiServer.writeShowMessage();

  1517. 

  1518.             for (uint i=0; i < pData->curPluginCount; ++i)

  1519.             {

  1520.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1521. 

  1522.                 if (plugin != nullptr && plugin->isEnabled())

  1523.                 {

  1524.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1525.                 }

  1526.             }

  1527. 

  1528.             if (kIsPatchbay)

  1529.                 patchbayRefresh(false);

  1530. 

  1531.             if (fWaitForReadyMsg)

  1532.             {

  1533.                 carla_stdout("Using Carla plugin embedded, waiting for it to be ready...");

  1534. 

  1535.                 for (; fUiServer.isPipeRunning() && ! fUiServer.isReady();)

  1536.                 {

  1537.                     carla_msleep(25);

  1538.                     fUiServer.idlePipe();

  1539.                 }

  1540. 

  1541.                 carla_stdout("Done!");

  1542.             }

  1543.         }

  1544.         else

  1545.         {

  1546.             fUiServer.stopPipeServer(2000);

  1547. 

  1548.             // hide all custom uis

  1549.             for (uint i=0; i < pData->curPluginCount; ++i)

  1550.             {

  1551.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1552. 

  1553.                 if (plugin != nullptr && plugin->isEnabled())

  1554.                 {

  1555.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1556.                     {

  1557.                         try {

  1558.                             plugin->showCustomUI(false);

  1559.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1560.                     }

  1561.                 }

  1562.             }

  1563.         }

  1564.     }

  1565. 

  1566.     void uiIdle()

  1567.     {

  1568.         for (uint i=0; i < pData->curPluginCount; ++i)

  1569.         {

  1570.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1571. 

  1572.             if (plugin != nullptr && plugin->isEnabled())

  1573.             {

  1574.                 const uint hints(plugin->getHints());

  1575. 

  1576.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1577.                 {

  1578.                     try {

  1579.                         plugin->uiIdle();

  1580.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1581.                 }

  1582.             }

  1583.         }

  1584. 

  1585.         if (fUiServer.isPipeRunning())

  1586.         {

  1587.             fUiServer.idlePipe();

  1588. 

  1589.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1590. #ifndef CARLA_OS_WIN

  1591.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1592.             const ScopedLocale csl;

  1593. 

  1594.             // send transport

  1595.             fUiServer.writeAndFixMessage("transport");

  1596.             fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n");

  1597. 

  1598.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1599.             {

  1600.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1601.                 fUiServer.writeMessage(fTmpBuf);

  1602.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1603.                 fUiServer.writeMessage(fTmpBuf);

  1604.             }

  1605.             else

  1606.             {

  1607.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1608.                 fUiServer.writeMessage(fTmpBuf);

  1609.                 fUiServer.writeMessage("0.0\n");

  1610.             }

  1611. 

  1612.             fUiServer.flushMessages();

  1613. #endif

  1614. 

  1615.             // send peaks and param outputs for all plugins

  1616.             for (uint i=0; i < pData->curPluginCount; ++i)

  1617.             {

  1618.                 const EnginePluginData& plugData(pData->plugins[i]);

  1619.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1620. 

  1621.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1622.                 fUiServer.writeMessage(fTmpBuf);

  1623. 

  1624.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1625.                 fUiServer.writeMessage(fTmpBuf);

  1626.                 fUiServer.flushMessages();

  1627. 

  1628.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1629.                 {

  1630.                     if (! plugin->isParameterOutput(j))

  1631.                         continue;

  1632. 

  1633.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1634.                     fUiServer.writeMessage(fTmpBuf);

  1635.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1636.                     fUiServer.writeMessage(fTmpBuf);

  1637.                     fUiServer.flushMessages();

  1638.                 }

  1639.             }

  1640.         }

  1641. 

  1642.         switch (fUiServer.getAndResetUiState())

  1643.         {

  1644.         case CarlaExternalUI::UiNone:

  1645.         case CarlaExternalUI::UiShow:

  1646.             break;

  1647.         case CarlaExternalUI::UiCrashed:

  1648.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1649.             break;

  1650.         case CarlaExternalUI::UiHide:

  1651.             pHost->ui_closed(pHost->handle);

  1652.             fUiServer.stopPipeServer(1000);

  1653.             break;

  1654.         }

  1655.     }

  1656. 

  1657.     // -------------------------------------------------------------------

  1658.     // Plugin state calls

  1659. 

  1660.     char* getState() const

  1661.     {

  1662.         MemoryOutputStream out;

  1663.         saveProjectInternal(out);

  1664.         return strdup(out.toString().toRawUTF8());

  1665.     }

  1666. 

  1667.     void setState(const char* const data)

  1668.     {

  1669.         // remove all plugins from UI side

  1670.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1671.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1672. 

  1673.         // remove all plugins from backend, no lock

  1674.         fIsRunning = false;

  1675.         removeAllPlugins();

  1676.         fIsRunning = true;

  1677. 

  1678.         // stopped during removeAllPlugins()

  1679.         if (! pData->thread.isThreadRunning())

  1680.             pData->thread.startThread();

  1681. 

  1682.         fOptionsForced = true;

  1683.         const String state(data);

  1684.         XmlDocument xml(state);

  1685.         loadProjectInternal(xml);

  1686.     }

  1687. 

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

  1689. 

  1690. public:

  1691.     #define handlePtr ((CarlaEngineNative*)handle)

  1692. 

  1693.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1694.     {

  1695.         return new CarlaEngineNative(host, false);

  1696.     }

  1697. 

  1698.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1699.     {

  1700.         return new CarlaEngineNative(host, true);

  1701.     }

  1702. 

  1703.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1704.     {

  1705.         return new CarlaEngineNative(host, true, 3, 2);

  1706.     }

  1707. 

  1708.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1709.     {

  1710.         return new CarlaEngineNative(host, true, 16);

  1711.     }

  1712. 

  1713.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1714.     {

  1715.         return new CarlaEngineNative(host, true, 32);

  1716.     }

  1717. 

  1718.     static void _cleanup(NativePluginHandle handle)

  1719.     {

  1720.         delete handlePtr;

  1721.     }

  1722. 

  1723.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1724.     {

  1725.         return handlePtr->getParameterCount();

  1726.     }

  1727. 

  1728.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1729.     {

  1730.         return handlePtr->getParameterInfo(index);

  1731.     }

  1732. 

  1733.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1734.     {

  1735.         return handlePtr->getParameterValue(index);

  1736.     }

  1737. 

  1738.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1739.     {

  1740.         return handlePtr->getMidiProgramCount();

  1741.     }

  1742. 

  1743.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1744.     {

  1745.         return handlePtr->getMidiProgramInfo(index);

  1746.     }

  1747. 

  1748.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1749.     {

  1750.         handlePtr->setParameterValue(index, value);

  1751.     }

  1752. 

  1753.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1754.     {

  1755.         handlePtr->setMidiProgram(channel, bank, program);

  1756.     }

  1757. 

  1758.     static void _ui_show(NativePluginHandle handle, bool show)

  1759.     {

  1760.         handlePtr->uiShow(show);

  1761.     }

  1762. 

  1763.     static void _ui_idle(NativePluginHandle handle)

  1764.     {

  1765.         handlePtr->uiIdle();

  1766.     }

  1767. 

  1768.     static void _activate(NativePluginHandle handle)

  1769.     {

  1770.         handlePtr->activate();

  1771.     }

  1772. 

  1773.     static void _deactivate(NativePluginHandle handle)

  1774.     {

  1775.         handlePtr->deactivate();

  1776.     }

  1777. 

  1778.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1779.     {

  1780.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1781.     }

  1782. 

  1783.     static char* _get_state(NativePluginHandle handle)

  1784.     {

  1785.         return handlePtr->getState();

  1786.     }

  1787. 

  1788.     static void _set_state(NativePluginHandle handle, const char* data)

  1789.     {

  1790.         handlePtr->setState(data);

  1791.     }

  1792. 

  1793.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1794.     {

  1795.         switch(opcode)

  1796.         {

  1797.         case NATIVE_PLUGIN_OPCODE_NULL:

  1798.             if (static_cast<uint32_t>(index) == 0xDEADF00D && static_cast<uintptr_t>(value) == 0xC0C0B00B)

  1799.             {

  1800.                 handlePtr->fWaitForReadyMsg = true;

  1801.                 return handlePtr->fUiServer.getRemoteWinId();

  1802.             }

  1803.             return 0;

  1804.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1805.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1806.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1807.             return 0;

  1808.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1809.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1810.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1811.             return 0;

  1812.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1813.             handlePtr->offlineModeChanged(value != 0);

  1814.             return 0;

  1815.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1816.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1817.             return 0;

  1818.         }

  1819. 

  1820.         return 0;

  1821. 

  1822.         // unused

  1823.         (void)index;

  1824.         (void)ptr;

  1825.     }

  1826. 

  1827.     // -------------------------------------------------------------------

  1828. 

  1829.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1830.     {

  1831.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1832.     }

  1833. 

  1834.     // -------------------------------------------------------------------

  1835. 

  1836.     #undef handlePtr

  1837. 

  1838. private:

  1839.     const NativeHostDescriptor* const pHost;

  1840. 

  1841.     const bool kIsPatchbay; // rack if false

  1842.     bool fIsActive, fIsRunning;

  1843.     CarlaEngineNativeUI fUiServer;

  1844. 

  1845.     bool fOptionsForced;

  1846.     bool fWaitForReadyMsg;

  1847.     char fTmpBuf[STR_MAX+1];

  1848. 

  1849.     CarlaPlugin* _getFirstPlugin() const noexcept

  1850.     {

  1851.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1852.             return nullptr;

  1853. 

  1854.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1855. 

  1856.         if (plugin == nullptr || ! plugin->isEnabled())

  1857.             return nullptr;

  1858. 

  1859.         return pData->plugins[0].plugin;

  1860.     }

  1861. 

  1862.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1863. };

  1864. 

  1865. // -----------------------------------------------------------------------

  1866. 

  1867. static const NativePluginDescriptor carlaRackDesc = {

  1868.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1869.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1870.                                                   |NATIVE_PLUGIN_HAS_UI

  1871.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1872.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1873.                                                   |NATIVE_PLUGIN_USES_STATE

  1874.                                                   |NATIVE_PLUGIN_USES_TIME),

  1875.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1876.     /* audioIns  */ 2,

  1877.     /* audioOuts */ 2,

  1878.     /* midiIns   */ 1,

  1879.     /* midiOuts  */ 1,

  1880.     /* paramIns  */ 0,

  1881.     /* paramOuts */ 0,

  1882.     /* name      */ "Carla-Rack",

  1883.     /* label     */ "carlarack",

  1884.     /* maker     */ "falkTX",

  1885.     /* copyright */ "GNU GPL v2+",

  1886.     CarlaEngineNative::_instantiateRack,

  1887.     CarlaEngineNative::_cleanup,

  1888.     CarlaEngineNative::_get_parameter_count,

  1889.     CarlaEngineNative::_get_parameter_info,

  1890.     CarlaEngineNative::_get_parameter_value,

  1891.     CarlaEngineNative::_get_midi_program_count,

  1892.     CarlaEngineNative::_get_midi_program_info,

  1893.     CarlaEngineNative::_set_parameter_value,

  1894.     CarlaEngineNative::_set_midi_program,

  1895.     /* _set_custom_data        */ nullptr,

  1896.     CarlaEngineNative::_ui_show,

  1897.     CarlaEngineNative::_ui_idle,

  1898.     /* _ui_set_parameter_value */ nullptr,

  1899.     /* _ui_set_midi_program    */ nullptr,

  1900.     /* _ui_set_custom_data     */ nullptr,

  1901.     CarlaEngineNative::_activate,

  1902.     CarlaEngineNative::_deactivate,

  1903.     CarlaEngineNative::_process,

  1904.     CarlaEngineNative::_get_state,

  1905.     CarlaEngineNative::_set_state,

  1906.     CarlaEngineNative::_dispatcher

  1907. };

  1908. 

  1909. static const NativePluginDescriptor carlaPatchbayDesc = {

  1910.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1911.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1912.                                                   |NATIVE_PLUGIN_HAS_UI

  1913.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1914.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1915.                                                   |NATIVE_PLUGIN_USES_STATE

  1916.                                                   |NATIVE_PLUGIN_USES_TIME),

  1917.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1918.     /* audioIns  */ 2,

  1919.     /* audioOuts */ 2,

  1920.     /* midiIns   */ 1,

  1921.     /* midiOuts  */ 1,

  1922.     /* paramIns  */ 0,

  1923.     /* paramOuts */ 0,

  1924.     /* name      */ "Carla-Patchbay",

  1925.     /* label     */ "carlapatchbay",

  1926.     /* maker     */ "falkTX",

  1927.     /* copyright */ "GNU GPL v2+",

  1928.     CarlaEngineNative::_instantiatePatchbay,

  1929.     CarlaEngineNative::_cleanup,

  1930.     CarlaEngineNative::_get_parameter_count,

  1931.     CarlaEngineNative::_get_parameter_info,

  1932.     CarlaEngineNative::_get_parameter_value,

  1933.     CarlaEngineNative::_get_midi_program_count,

  1934.     CarlaEngineNative::_get_midi_program_info,

  1935.     CarlaEngineNative::_set_parameter_value,

  1936.     CarlaEngineNative::_set_midi_program,

  1937.     /* _set_custom_data        */ nullptr,

  1938.     CarlaEngineNative::_ui_show,

  1939.     CarlaEngineNative::_ui_idle,

  1940.     /* _ui_set_parameter_value */ nullptr,

  1941.     /* _ui_set_midi_program    */ nullptr,

  1942.     /* _ui_set_custom_data     */ nullptr,

  1943.     CarlaEngineNative::_activate,

  1944.     CarlaEngineNative::_deactivate,

  1945.     CarlaEngineNative::_process,

  1946.     CarlaEngineNative::_get_state,

  1947.     CarlaEngineNative::_set_state,

  1948.     CarlaEngineNative::_dispatcher

  1949. };

  1950. 

  1951. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1952.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1953.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1954.                                                   |NATIVE_PLUGIN_HAS_UI

  1955.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1956.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1957.                                                   |NATIVE_PLUGIN_USES_STATE

  1958.                                                   |NATIVE_PLUGIN_USES_TIME),

  1959.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1960.     /* audioIns  */ 3,

  1961.     /* audioOuts */ 2,

  1962.     /* midiIns   */ 1,

  1963.     /* midiOuts  */ 1,

  1964.     /* paramIns  */ 0,

  1965.     /* paramOuts */ 0,

  1966.     /* name      */ "Carla-Patchbay (sidechain)",

  1967.     /* label     */ "carlapatchbay3s",

  1968.     /* maker     */ "falkTX",

  1969.     /* copyright */ "GNU GPL v2+",

  1970.     CarlaEngineNative::_instantiatePatchbay3s,

  1971.     CarlaEngineNative::_cleanup,

  1972.     CarlaEngineNative::_get_parameter_count,

  1973.     CarlaEngineNative::_get_parameter_info,

  1974.     CarlaEngineNative::_get_parameter_value,

  1975.     CarlaEngineNative::_get_midi_program_count,

  1976.     CarlaEngineNative::_get_midi_program_info,

  1977.     CarlaEngineNative::_set_parameter_value,

  1978.     CarlaEngineNative::_set_midi_program,

  1979.     /* _set_custom_data        */ nullptr,

  1980.     CarlaEngineNative::_ui_show,

  1981.     CarlaEngineNative::_ui_idle,

  1982.     /* _ui_set_parameter_value */ nullptr,

  1983.     /* _ui_set_midi_program    */ nullptr,

  1984.     /* _ui_set_custom_data     */ nullptr,

  1985.     CarlaEngineNative::_activate,

  1986.     CarlaEngineNative::_deactivate,

  1987.     CarlaEngineNative::_process,

  1988.     CarlaEngineNative::_get_state,

  1989.     CarlaEngineNative::_set_state,

  1990.     CarlaEngineNative::_dispatcher

  1991. };

  1992. 

  1993. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1994.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1995.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1996.                                                   |NATIVE_PLUGIN_HAS_UI

  1997.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1998.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1999.                                                   |NATIVE_PLUGIN_USES_STATE

  2000.                                                   |NATIVE_PLUGIN_USES_TIME),

  2001.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2002.     /* audioIns  */ 16,

  2003.     /* audioOuts */ 16,

  2004.     /* midiIns   */ 1,

  2005.     /* midiOuts  */ 1,

  2006.     /* paramIns  */ 0,

  2007.     /* paramOuts */ 0,

  2008.     /* name      */ "Carla-Patchbay (16chan)",

  2009.     /* label     */ "carlapatchbay16",

  2010.     /* maker     */ "falkTX",

  2011.     /* copyright */ "GNU GPL v2+",

  2012.     CarlaEngineNative::_instantiatePatchbay16,

  2013.     CarlaEngineNative::_cleanup,

  2014.     CarlaEngineNative::_get_parameter_count,

  2015.     CarlaEngineNative::_get_parameter_info,

  2016.     CarlaEngineNative::_get_parameter_value,

  2017.     CarlaEngineNative::_get_midi_program_count,

  2018.     CarlaEngineNative::_get_midi_program_info,

  2019.     CarlaEngineNative::_set_parameter_value,

  2020.     CarlaEngineNative::_set_midi_program,

  2021.     /* _set_custom_data        */ nullptr,

  2022.     CarlaEngineNative::_ui_show,

  2023.     CarlaEngineNative::_ui_idle,

  2024.     /* _ui_set_parameter_value */ nullptr,

  2025.     /* _ui_set_midi_program    */ nullptr,

  2026.     /* _ui_set_custom_data     */ nullptr,

  2027.     CarlaEngineNative::_activate,

  2028.     CarlaEngineNative::_deactivate,

  2029.     CarlaEngineNative::_process,

  2030.     CarlaEngineNative::_get_state,

  2031.     CarlaEngineNative::_set_state,

  2032.     CarlaEngineNative::_dispatcher

  2033. };

  2034. 

  2035. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2036.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2037.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2038.                                                   |NATIVE_PLUGIN_HAS_UI

  2039.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2040.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2041.                                                   |NATIVE_PLUGIN_USES_STATE

  2042.                                                   |NATIVE_PLUGIN_USES_TIME),

  2043.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2044.     /* audioIns  */ 32,

  2045.     /* audioOuts */ 32,

  2046.     /* midiIns   */ 1,

  2047.     /* midiOuts  */ 1,

  2048.     /* paramIns  */ 0,

  2049.     /* paramOuts */ 0,

  2050.     /* name      */ "Carla-Patchbay (32chan)",

  2051.     /* label     */ "carlapatchbay32",

  2052.     /* maker     */ "falkTX",

  2053.     /* copyright */ "GNU GPL v2+",

  2054.     CarlaEngineNative::_instantiatePatchbay32,

  2055.     CarlaEngineNative::_cleanup,

  2056.     CarlaEngineNative::_get_parameter_count,

  2057.     CarlaEngineNative::_get_parameter_info,

  2058.     CarlaEngineNative::_get_parameter_value,

  2059.     CarlaEngineNative::_get_midi_program_count,

  2060.     CarlaEngineNative::_get_midi_program_info,

  2061.     CarlaEngineNative::_set_parameter_value,

  2062.     CarlaEngineNative::_set_midi_program,

  2063.     /* _set_custom_data        */ nullptr,

  2064.     CarlaEngineNative::_ui_show,

  2065.     CarlaEngineNative::_ui_idle,

  2066.     /* _ui_set_parameter_value */ nullptr,

  2067.     /* _ui_set_midi_program    */ nullptr,

  2068.     /* _ui_set_custom_data     */ nullptr,

  2069.     CarlaEngineNative::_activate,

  2070.     CarlaEngineNative::_deactivate,

  2071.     CarlaEngineNative::_process,

  2072.     CarlaEngineNative::_get_state,

  2073.     CarlaEngineNative::_set_state,

  2074.     CarlaEngineNative::_dispatcher

  2075. };

  2076. 

  2077. CARLA_BACKEND_END_NAMESPACE

  2078. 

  2079. // -----------------------------------------------------------------------

  2080. 

  2081. CARLA_EXPORT

  2082. void carla_register_native_plugin_carla();

  2083. 

  2084. void carla_register_native_plugin_carla()

  2085. {

  2086.     CARLA_BACKEND_USE_NAMESPACE;

  2087.     carla_register_native_plugin(&carlaRackDesc);

  2088.     carla_register_native_plugin(&carlaPatchbayDesc);

  2089.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2090.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2091.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2092. }

  2093. 

  2094. // -----------------------------------------------------------------------

  2095. 

  2096. CARLA_EXPORT

  2097. const NativePluginDescriptor* carla_get_native_rack_plugin();

  2098. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2099. {

  2100.     // if this is called then we're running as special plugin

  2101.     gNeedsJuceHandling = true;

  2102. 

  2103.     CARLA_BACKEND_USE_NAMESPACE;

  2104.     return &carlaRackDesc;

  2105. }

  2106. 

  2107. CARLA_EXPORT

  2108. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  2109. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2110. {

  2111.     // if this is called then we're running as special plugin

  2112.     gNeedsJuceHandling = true;

  2113. 

  2114.     CARLA_BACKEND_USE_NAMESPACE;

  2115.     return &carlaPatchbayDesc;

  2116. }

  2117. 

  2118. // -----------------------------------------------------------------------

  2119. // Extra stuff for linking purposes

  2120. 

  2121. #ifdef CARLA_PLUGIN_EXPORT

  2122. 

  2123. CARLA_BACKEND_START_NAMESPACE

  2124. 

  2125. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2126. 

  2127. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  2128. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2129. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2130. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2131. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2132. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2133. # else

  2134. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2135. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2136. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2137. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2138. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2139. # endif

  2140. 

  2141. CARLA_BACKEND_END_NAMESPACE

  2142. 

  2143. #include "CarlaHostCommon.cpp"

  2144. #include "CarlaPluginUI.cpp"

  2145. #include "CarlaDssiUtils.cpp"

  2146. #include "CarlaPatchbayUtils.cpp"

  2147. #include "CarlaPipeUtils.cpp"

  2148. #include "CarlaStateUtils.cpp"

  2149. #include "CarlaJuceEvents.cpp"

  2150. 

  2151. #endif

  2152. 

  2153. // -----------------------------------------------------------------------