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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. # include "juce_events/juce_events.h"

  43. #endif

  44. 

  45. using juce::File;

  46. using juce::FloatVectorOperations;

  47. using juce::MemoryOutputStream;

  48. using juce::ScopedJuceInitialiser_GUI;

  49. using juce::ScopedPointer;

  50. using juce::String;

  51. using juce::XmlDocument;

  52. using juce::XmlElement;

  53. 

  54. CARLA_BACKEND_START_NAMESPACE

  55. 

  56. // -----------------------------------------------------------------------

  57. 

  58. class CarlaEngineNativeUI : public CarlaExternalUI

  59. {

  60. public:

  61.     CarlaEngineNativeUI(CarlaEngine* const engine)

  62.         : fEngine(engine),

  63.           fRemoteWinId(0)

  64.     {

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

  66.     }

  67. 

  68.     ~CarlaEngineNativeUI() noexcept override

  69.     {

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

  71.     }

  72. 

  73.     bool isReady() const noexcept

  74.     {

  75.         return fRemoteWinId != 0;

  76.     }

  77. 

  78.     intptr_t getRemoteWinId() const noexcept

  79.     {

  80.         return fRemoteWinId;

  81.     }

  82. 

  83. protected:

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

  85.     {

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

  87.             return true;

  88. 

  89.         bool ok = true;

  90. 

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

  92.         {

  93.             uint32_t option;

  94.             int32_t value;

  95.             const char* valueStr = nullptr;

  96. 

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

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

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

  100. 

  101.             try {

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

  103.             } CARLA_SAFE_EXCEPTION("setOption");

  104. 

  105.             if (valueStr != nullptr)

  106.                 delete[] valueStr;

  107.         }

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

  109.         {

  110.             const char* filename;

  111. 

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

  113. 

  114.             try {

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

  116.             } CARLA_SAFE_EXCEPTION("loadFile");

  117. 

  118.             delete[] filename;

  119.         }

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

  121.         {

  122.             const char* filename;

  123. 

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

  125. 

  126.             try {

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

  128.             } CARLA_SAFE_EXCEPTION("loadProject");

  129. 

  130.             delete[] filename;

  131.         }

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

  133.         {

  134.             const char* filename;

  135. 

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

  137. 

  138.             try {

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

  140.             } CARLA_SAFE_EXCEPTION("saveProject");

  141. 

  142.             delete[] filename;

  143.         }

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

  145.         {

  146.             uint32_t groupA, portA, groupB, portB;

  147. 

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

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

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

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

  152. 

  153.             try {

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

  155.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  156.         }

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

  158.         {

  159.             uint32_t connectionId;

  160. 

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

  162. 

  163.             try {

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

  165.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  166.         }

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

  168.         {

  169.             try {

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

  171.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  172.         }

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

  174.         {

  175.             fEngine->transportPlay();

  176.         }

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

  178.         {

  179.             fEngine->transportPause();

  180.         }

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

  182.         {

  183.             uint64_t frame;

  184. 

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

  186. 

  187.             fEngine->transportRelocate(frame);

  188.         }

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

  190.         {

  191.             uint32_t btype, ptype;

  192.             const char* filename = nullptr;

  193.             const char* name;

  194.             const char* label;

  195.             int64_t uniqueId;

  196.             uint options;

  197. 

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

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

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

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

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

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

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

  205. 

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

  207.             {

  208.                 delete[] filename;

  209.                 filename = nullptr;

  210.             }

  211. 

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

  213.             {

  214.                 delete[] name;

  215.                 name = nullptr;

  216.             }

  217. 

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

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

  220. 

  221.             if (filename != nullptr)

  222.                 delete[] filename;

  223.             if (name != nullptr)

  224.                 delete[] name;

  225.             delete[] label;

  226.         }

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

  228.         {

  229.             uint32_t pluginId;

  230. 

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

  232. 

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

  234.         }

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

  236.         {

  237.             ok = fEngine->removeAllPlugins();

  238.         }

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

  240.         {

  241.             uint32_t pluginId;

  242.             const char* newName;

  243. 

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

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

  246. 

  247.             // TODO

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

  249. 

  250.             delete[] newName;

  251.         }

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

  253.         {

  254.             uint32_t pluginId;

  255. 

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

  257. 

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

  259.         }

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

  261.         {

  262.             uint32_t pluginId;

  263. 

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

  265. 

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

  267.         }

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

  269.         {

  270.             uint32_t pluginIdA, pluginIdB;

  271. 

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

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

  274. 

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

  276.         }

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

  278.         {

  279.             uint32_t pluginId;

  280.             const char* filename;

  281. 

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

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

  284. 

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

  286.                 plugin->loadStateFromFile(filename);

  287. 

  288.             delete[] filename;

  289.         }

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

  291.         {

  292.             uint32_t pluginId;

  293.             const char* filename;

  294. 

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

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

  297. 

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

  299.                 plugin->saveStateToFile(filename);

  300. 

  301.             delete[] filename;

  302.         }

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

  304.         {

  305.             uint32_t pluginId, option;

  306.             bool yesNo;

  307. 

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

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

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

  311. 

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

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

  314.         }

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

  316.         {

  317.             uint32_t pluginId;

  318.             bool onOff;

  319. 

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

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

  322. 

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

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

  325.         }

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

  327.         {

  328.             uint32_t pluginId;

  329.             float value;

  330. 

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

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

  333. 

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

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

  336.         }

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

  338.         {

  339.             uint32_t pluginId;

  340.             float value;

  341. 

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

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

  344. 

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

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

  347.         }

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

  349.         {

  350.             uint32_t pluginId;

  351.             float value;

  352. 

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

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

  355. 

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

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

  358.         }

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

  360.         {

  361.             uint32_t pluginId;

  362.             float value;

  363. 

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

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

  366. 

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

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

  369.         }

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

  371.         {

  372.             uint32_t pluginId;

  373.             float value;

  374. 

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

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

  377. 

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

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

  380.         }

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

  382.         {

  383.             uint32_t pluginId;

  384.             int32_t channel;

  385. 

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

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

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

  389. 

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

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

  392.         }

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

  394.         {

  395.             uint32_t pluginId, parameterId;

  396.             float value;

  397. 

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

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

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

  401. 

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

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

  404.         }

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

  406.         {

  407.             uint32_t pluginId, parameterId, channel;

  408. 

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

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

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

  412.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  413. 

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

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

  416.         }

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

  418.         {

  419.             uint32_t pluginId, parameterId;

  420.             int32_t cc;

  421. 

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

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

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

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

  426. 

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

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

  429.         }

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

  431.         {

  432.             uint32_t pluginId;

  433.             int32_t index;

  434. 

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

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

  437. 

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

  439.             {

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

  441.                 _updateParamValues(plugin, pluginId);

  442.             }

  443.         }

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

  445.         {

  446.             uint32_t pluginId;

  447.             int32_t index;

  448. 

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

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

  451. 

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

  453.             {

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

  455.                 _updateParamValues(plugin, pluginId);

  456.             }

  457.         }

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

  459.         {

  460.             uint32_t pluginId;

  461.             const char* type;

  462.             const char* key;

  463.             const char* value;

  464. 

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

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

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

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

  469. 

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

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

  472. 

  473.             delete[] type;

  474.             delete[] key;

  475.             delete[] value;

  476.         }

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

  478.         {

  479.             uint32_t pluginId;

  480.             const char* cdata;

  481. 

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

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

  484. 

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

  486.             {

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

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

  489.             }

  490. 

  491.             delete[] cdata;

  492.         }

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

  494.         {

  495.             uint32_t pluginId;

  496. 

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

  498. 

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

  500.                 plugin->prepareForSave();

  501.         }

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

  503.         {

  504.             uint32_t pluginId;

  505. 

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

  507. 

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

  509.                 plugin->resetParameters();

  510.         }

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

  512.         {

  513.             uint32_t pluginId;

  514. 

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

  516. 

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

  518.                 plugin->randomizeParameters();

  519.         }

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

  521.         {

  522.             uint32_t pluginId, channel, note, velocity;

  523. 

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

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

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

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

  528.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  529.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  530.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  531. 

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

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

  534.         }

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

  536.         {

  537.             uint32_t pluginId;

  538.             bool yesNo;

  539. 

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

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

  542. 

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

  544.                 plugin->showCustomUI(yesNo);

  545.         }

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

  547.         {

  548.             uint64_t winId;

  549. 

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

  551. 

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

  553.         }

  554.         else

  555.         {

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

  557.             return false;

  558.         }

  559. 

  560.         if (! ok)

  561.         {

  562.             const CarlaMutexLocker cml(getPipeLock());

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

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

  565.             flushMessages();

  566.         }

  567. 

  568.         return true;

  569.     }

  570. 

  571. private:

  572.     CarlaEngine* const fEngine;

  573.     intptr_t           fRemoteWinId;

  574. 

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

  576.     {

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

  578.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

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

  580.     }

  581. 

  582.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  583. };

  584. 

  585. // -----------------------------------------------------------------------

  586. 

  587. class CarlaEngineNative : public CarlaEngine

  588. {

  589. public:

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

  591.         : CarlaEngine(),

  592.           pHost(host),

  593.           kIsPatchbay(isPatchbay),

  594.           fIsActive(false),

  595.           fIsRunning(false),

  596.           fUiServer(this),

  597.           fOptionsForced(false),

  598.           fWaitForReadyMsg(false)

  599.     {

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

  601. 

  602.         carla_zeroChars(fTmpBuf, STR_MAX+1);

  603. 

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

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

  606.         pData->initTime(nullptr);

  607. 

  608.         if (outChan == 0)

  609.             outChan = inChan;

  610. 

  611.         // set-up engine

  612.         if (kIsPatchbay)

  613.         {

  614.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  615.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  616.             pData->options.forceStereo         = false;

  617.             pData->options.preferPluginBridges = false;

  618.             pData->options.preferUiBridges     = false;

  619.             init("Carla-Patchbay");

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

  621.         }

  622.         else

  623.         {

  624.             CARLA_SAFE_ASSERT(inChan == 2);

  625.             CARLA_SAFE_ASSERT(outChan == 2);

  626.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  627.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  628.             pData->options.forceStereo         = true;

  629.             pData->options.preferPluginBridges = false;

  630.             pData->options.preferUiBridges     = false;

  631.             init("Carla-Rack");

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

  633.         }

  634. 

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

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

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

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

  639. 

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

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

  642. 

  643.         setCallback(_ui_server_callback, this);

  644.     }

  645. 

  646.     ~CarlaEngineNative() override

  647.     {

  648.         CARLA_SAFE_ASSERT(! fIsActive);

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

  650. 

  651.         pData->aboutToClose = true;

  652.         fIsRunning = false;

  653. 

  654.         removeAllPlugins();

  655.         //runPendingRtEvents();

  656.         close();

  657. 

  658.         pData->graph.destroy();

  659. 

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

  661.     }

  662. 

  663. protected:

  664.     // -------------------------------------

  665.     // CarlaEngine virtual calls

  666. 

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

  668.     {

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

  670. 

  671.         fIsRunning = true;

  672. 

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

  674.         {

  675.             close();

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

  677.             return false;

  678.         }

  679. 

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

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

  682. 

  683.         return true;

  684.     }

  685. 

  686.     bool close() override

  687.     {

  688.         fIsRunning = false;

  689.         CarlaEngine::close();

  690.         return true;

  691.     }

  692. 

  693.     bool isRunning() const noexcept override

  694.     {

  695.         return fIsRunning;

  696.     }

  697. 

  698.     bool isOffline() const noexcept override

  699.     {

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

  701.     }

  702. 

  703.     bool usesConstantBufferSize() const noexcept override

  704.     {

  705.         // TODO

  706.         return true;

  707.     }

  708. 

  709.     EngineType getType() const noexcept override

  710.     {

  711.         return kEngineTypePlugin;

  712.     }

  713. 

  714.     const char* getCurrentDriverName() const noexcept override

  715.     {

  716.         return "Plugin";

  717.     }

  718. 

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

  720.     {

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

  722. 

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

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

  725.     }

  726. 

  727.     // -------------------------------------------------------------------

  728. 

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

  730.     {

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

  732.         {

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

  734.             return retName;

  735.         }

  736. 

  737.         return nullptr;

  738.     }

  739. 

  740.     // -------------------------------------------------------------------

  741. 

  742.     void bufferSizeChanged(const uint32_t newBufferSize)

  743.     {

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

  745.             return;

  746. 

  747.         {

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

  749. 

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

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

  752.             fUiServer.writeMessage(fTmpBuf);

  753.             fUiServer.flushMessages();

  754.         }

  755. 

  756.         pData->bufferSize = newBufferSize;

  757.         CarlaEngine::bufferSizeChanged(newBufferSize);

  758.     }

  759. 

  760.     void sampleRateChanged(const double newSampleRate)

  761.     {

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

  763.             return;

  764. 

  765.         {

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

  767.             const ScopedLocale csl;

  768. 

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

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

  771.             fUiServer.writeMessage(fTmpBuf);

  772.             fUiServer.flushMessages();

  773.         }

  774. 

  775.         pData->sampleRate = newSampleRate;

  776.         CarlaEngine::sampleRateChanged(newSampleRate);

  777.     }

  778. 

  779.     // -------------------------------------------------------------------

  780. 

  781.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  782.     {

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

  784. 

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

  786. 

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

  788.         fUiServer.writeMessage(fTmpBuf);

  789. 

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

  791.         fUiServer.writeMessage(fTmpBuf);

  792. 

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

  794.         {

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

  796.             fUiServer.writeAndFixMessage(fTmpBuf);

  797.         }

  798.         else

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

  800. 

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

  802.         {

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

  804.             fUiServer.writeAndFixMessage(fTmpBuf);

  805.         }

  806.         else

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

  808. 

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

  810.         {

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

  812.             fUiServer.writeAndFixMessage(fTmpBuf);

  813.         }

  814.         else

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

  816. 

  817.         plugin->getRealName(fTmpBuf);

  818.         fUiServer.writeAndFixMessage(fTmpBuf);

  819. 

  820.         plugin->getLabel(fTmpBuf);

  821.         fUiServer.writeAndFixMessage(fTmpBuf);

  822. 

  823.         plugin->getMaker(fTmpBuf);

  824.         fUiServer.writeAndFixMessage(fTmpBuf);

  825. 

  826.         plugin->getCopyright(fTmpBuf);

  827.         fUiServer.writeAndFixMessage(fTmpBuf);

  828. 

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

  830.         fUiServer.writeMessage(fTmpBuf);

  831. 

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

  833.         fUiServer.writeMessage(fTmpBuf);

  834. 

  835.         fUiServer.flushMessages();

  836.     }

  837. 

  838.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  839.     {

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

  841.         const ScopedLocale csl;

  842. 

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

  844. 

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

  846.         {

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

  848.             fUiServer.writeMessage(fTmpBuf);

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

  850.             fUiServer.writeMessage(fTmpBuf);

  851.             fUiServer.flushMessages();

  852.         }

  853. 

  854.         uint32_t ins, outs, count;

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

  856.         count = plugin->getParameterCount();

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

  858.         fUiServer.writeMessage(fTmpBuf);

  859. 

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

  861.         {

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

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

  864. 

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

  866.             fUiServer.writeMessage(fTmpBuf);

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

  868.             fUiServer.writeMessage(fTmpBuf);

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

  870.             fUiServer.writeAndFixMessage(fTmpBuf);

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

  872.             fUiServer.writeAndFixMessage(fTmpBuf);

  873. 

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

  875.             fUiServer.writeMessage(fTmpBuf);

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

  877.             fUiServer.writeMessage(fTmpBuf);

  878. 

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

  880.             fUiServer.writeMessage(fTmpBuf);

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

  882.             fUiServer.writeMessage(fTmpBuf);

  883.         }

  884. 

  885.         fUiServer.flushMessages();

  886.     }

  887. 

  888.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  889.     {

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

  891. 

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

  893. 

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

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

  896.         fUiServer.writeMessage(fTmpBuf);

  897. 

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

  899.         {

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

  901.             fUiServer.writeMessage(fTmpBuf);

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

  903.             fUiServer.writeAndFixMessage(fTmpBuf);

  904.         }

  905. 

  906.         fUiServer.flushMessages();

  907. 

  908.         count = plugin->getMidiProgramCount();

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

  910.         fUiServer.writeMessage(fTmpBuf);

  911. 

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

  913.         {

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

  915.             fUiServer.writeMessage(fTmpBuf);

  916. 

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

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

  919.             fUiServer.writeMessage(fTmpBuf);

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

  921.             fUiServer.writeAndFixMessage(fTmpBuf);

  922.         }

  923. 

  924.         fUiServer.flushMessages();

  925.     }

  926. 

  927.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  928.     {

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

  930. 

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

  932. 

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

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

  935.         fUiServer.writeMessage(fTmpBuf);

  936. 

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

  938.         {

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

  940.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  941. 

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

  943.                 continue;

  944. 

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

  946.             fUiServer.writeMessage(fTmpBuf);

  947. 

  948.             fUiServer.writeAndFixMessage(customData.type);

  949.             fUiServer.writeAndFixMessage(customData.key);

  950.             fUiServer.writeAndFixMessage(customData.value);

  951.         }

  952. 

  953.         fUiServer.flushMessages();

  954.     }

  955. 

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

  957.     {

  958.         if (! fIsRunning)

  959.             return;

  960.         if (! fUiServer.isPipeRunning())

  961.             return;

  962. 

  963.         CarlaPlugin* plugin;

  964. 

  965.         switch (action)

  966.         {

  967.         case ENGINE_CALLBACK_UPDATE:

  968.             plugin = getPlugin(pluginId);

  969. 

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

  971.             {

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

  973.                 uiServerSendPluginProperties(plugin);

  974.             }

  975.             break;

  976. 

  977.         case ENGINE_CALLBACK_RELOAD_INFO:

  978.             plugin = getPlugin(pluginId);

  979. 

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

  981.             {

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

  983.                 uiServerSendPluginInfo(plugin);

  984.             }

  985.             break;

  986. 

  987.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  988.             plugin = getPlugin(pluginId);

  989. 

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

  991.             {

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

  993.                 uiServerSendPluginParameters(plugin);

  994.             }

  995.             break;

  996. 

  997.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  998.             plugin = getPlugin(pluginId);

  999. 

  1000.             if (plugin != nullptr && plugin->isEnabled())

  1001.             {

  1002.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1003.                 uiServerSendPluginPrograms(plugin);

  1004.             }

  1005.             break;

  1006. 

  1007.         case ENGINE_CALLBACK_RELOAD_ALL:

  1008.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1009.             plugin = getPlugin(pluginId);

  1010. 

  1011.             if (plugin != nullptr && plugin->isEnabled())

  1012.             {

  1013.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1014.                 uiServerSendPluginInfo(plugin);

  1015.                 uiServerSendPluginParameters(plugin);

  1016.                 uiServerSendPluginPrograms(plugin);

  1017.                 uiServerSendPluginProperties(plugin);

  1018.             }

  1019.             break;

  1020. 

  1021.         default:

  1022.             break;

  1023.         }

  1024. 

  1025.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1026.         const ScopedLocale csl;

  1027. 

  1028.         std::sprintf(fTmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1029.         fUiServer.writeMessage(fTmpBuf);

  1030. 

  1031.         std::sprintf(fTmpBuf, "%u\n", pluginId);

  1032.         fUiServer.writeMessage(fTmpBuf);

  1033. 

  1034.         std::sprintf(fTmpBuf, "%i\n", value1);

  1035.         fUiServer.writeMessage(fTmpBuf);

  1036. 

  1037.         std::sprintf(fTmpBuf, "%i\n", value2);

  1038.         fUiServer.writeMessage(fTmpBuf);

  1039. 

  1040.         std::sprintf(fTmpBuf, "%f\n", value3);

  1041.         fUiServer.writeMessage(fTmpBuf);

  1042. 

  1043.         fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : "");

  1044. 

  1045.         fUiServer.flushMessages();

  1046.     }

  1047. 

  1048.     void uiServerInfo()

  1049.     {

  1050.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1051.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1052. 

  1053.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1054. 

  1055. #ifdef HAVE_LIBLO

  1056.         fUiServer.writeAndFixMessage("osc-urls");

  1057.         fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP());

  1058.         fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP());

  1059. #endif

  1060. 

  1061.         fUiServer.writeAndFixMessage("max-plugin-number");

  1062.         std::sprintf(fTmpBuf, "%i\n", pData->maxPluginNumber);

  1063.         fUiServer.writeMessage(fTmpBuf);

  1064. 

  1065.         fUiServer.writeAndFixMessage("buffer-size");

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

  1067.         fUiServer.writeMessage(fTmpBuf);

  1068. 

  1069.         const ScopedLocale csl;

  1070. 

  1071.         fUiServer.writeAndFixMessage("sample-rate");

  1072.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1073.         fUiServer.writeMessage(fTmpBuf);

  1074. 

  1075.         fUiServer.flushMessages();

  1076.     }

  1077. 

  1078.     void uiServerOptions()

  1079.     {

  1080.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1081.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1082. 

  1083.         const EngineOptions& options(pData->options);

  1084.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1085. 

  1086.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1087.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1088. 

  1089.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1090.         fUiServer.writeMessage(fTmpBuf);

  1091.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1092.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1093.         fUiServer.writeMessage(fTmpBuf);

  1094.         fUiServer.flushMessages();

  1095. 

  1096.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1097.         fUiServer.writeMessage(fTmpBuf);

  1098.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1099.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1100.         fUiServer.writeMessage(fTmpBuf);

  1101.         fUiServer.flushMessages();

  1102. 

  1103.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1104.         fUiServer.writeMessage(fTmpBuf);

  1105.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1106.         fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n");

  1107.         fUiServer.flushMessages();

  1108. 

  1109.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1110.         fUiServer.writeMessage(fTmpBuf);

  1111.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1112.         fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n");

  1113.         fUiServer.flushMessages();

  1114. 

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

  1116.         fUiServer.writeMessage(fTmpBuf);

  1117.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

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

  1119.         fUiServer.flushMessages();

  1120. 

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

  1122.         fUiServer.writeMessage(fTmpBuf);

  1123.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

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

  1125.         fUiServer.flushMessages();

  1126. 

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

  1128.         fUiServer.writeMessage(fTmpBuf);

  1129.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1130.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1131.         fUiServer.writeMessage(fTmpBuf);

  1132.         fUiServer.flushMessages();

  1133. 

  1134.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1135.         fUiServer.writeMessage(fTmpBuf);

  1136.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1137.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1138.         fUiServer.writeMessage(fTmpBuf);

  1139.         fUiServer.flushMessages();

  1140. 

  1141.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1142.         fUiServer.writeMessage(fTmpBuf);

  1143.         fUiServer.writeMessage("true\n", 5);

  1144.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1145.         fUiServer.writeMessage(fTmpBuf);

  1146.         fUiServer.flushMessages();

  1147. 

  1148.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1149.         fUiServer.writeMessage(fTmpBuf);

  1150.         fUiServer.writeMessage("true\n", 5);

  1151.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1152.         fUiServer.writeMessage(fTmpBuf);

  1153.         fUiServer.flushMessages();

  1154.     }

  1155. 

  1156.     // -------------------------------------------------------------------

  1157.     // Plugin parameter calls

  1158. 

  1159.     uint32_t getParameterCount() const

  1160.     {

  1161.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1162.             return plugin->getParameterCount();

  1163. 

  1164.         return 0;

  1165.     }

  1166. 

  1167.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1168.     {

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

  1170.         {

  1171.             if (index < plugin->getParameterCount())

  1172.             {

  1173.                 static NativeParameter param;

  1174.                 static char strBufName[STR_MAX+1];

  1175.                 static char strBufUnit[STR_MAX+1];

  1176. 

  1177.                 const ParameterData& paramData(plugin->getParameterData(index));

  1178.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1179. 

  1180.                 plugin->getParameterName(index, strBufName);

  1181.                 plugin->getParameterUnit(index, strBufUnit);

  1182. 

  1183.                 uint hints = 0x0;

  1184. 

  1185.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1186.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1187.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1188.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1189.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1190.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1191.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1192.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1193.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1194.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1195.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1196.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1197. 

  1198.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1199.                 {

  1200.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1201.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1202.                     if (paramData.type == PARAMETER_OUTPUT)

  1203.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1204.                 }

  1205. 

  1206.                 param.hints = static_cast<NativeParameterHints>(hints);

  1207.                 param.name  = strBufName;

  1208.                 param.unit  = strBufUnit;

  1209.                 param.ranges.def = paramRanges.def;

  1210.                 param.ranges.min = paramRanges.min;

  1211.                 param.ranges.max = paramRanges.max;

  1212.                 param.ranges.step = paramRanges.step;

  1213.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1214.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1215.                 param.scalePointCount = 0; // TODO

  1216.                 param.scalePoints = nullptr;

  1217. 

  1218.                 return &param;

  1219.             }

  1220.         }

  1221. 

  1222.         return nullptr;

  1223.     }

  1224. 

  1225.     float getParameterValue(const uint32_t index) const

  1226.     {

  1227.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1228.         {

  1229.             if (index < plugin->getParameterCount())

  1230.                 return plugin->getParameterValue(index);

  1231.         }

  1232. 

  1233.         return 0.0f;

  1234.     }

  1235. 

  1236.     // -------------------------------------------------------------------

  1237.     // Plugin midi-program calls

  1238. 

  1239.     uint32_t getMidiProgramCount() const

  1240.     {

  1241.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1242.             return plugin->getMidiProgramCount();

  1243. 

  1244.         return 0;

  1245.     }

  1246. 

  1247.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1248.     {

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

  1250.         {

  1251.             if (index < plugin->getMidiProgramCount())

  1252.             {

  1253.                 static NativeMidiProgram midiProg;

  1254. 

  1255.                 {

  1256.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1257. 

  1258.                     midiProg.bank    = midiProgData.bank;

  1259.                     midiProg.program = midiProgData.program;

  1260.                     midiProg.name    = midiProgData.name;

  1261.                 }

  1262. 

  1263.                 return &midiProg;

  1264.             }

  1265.         }

  1266. 

  1267.         return nullptr;

  1268.     }

  1269. 

  1270.     // -------------------------------------------------------------------

  1271.     // Plugin state calls

  1272. 

  1273.     void setParameterValue(const uint32_t index, const float value)

  1274.     {

  1275.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1276.         {

  1277.             if (index < plugin->getParameterCount())

  1278.                 plugin->setParameterValue(index, value, false, false, false);

  1279.         }

  1280.     }

  1281. 

  1282.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1283.     {

  1284.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1285.             plugin->setMidiProgramById(bank, program, false, false, false);

  1286.     }

  1287. 

  1288.     // -------------------------------------------------------------------

  1289.     // Plugin process calls

  1290. 

  1291.     void activate()

  1292.     {

  1293. #if 0

  1294.         for (uint i=0; i < pData->curPluginCount; ++i)

  1295.         {

  1296.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1297. 

  1298.             if (plugin == nullptr || ! plugin->isEnabled())

  1299.                 continue;

  1300. 

  1301.             plugin->setActive(true, true, false);

  1302.         }

  1303. #endif

  1304.         fIsActive = true;

  1305.     }

  1306. 

  1307.     void deactivate()

  1308.     {

  1309.         fIsActive = false;

  1310. #if 0

  1311.         for (uint i=0; i < pData->curPluginCount; ++i)

  1312.         {

  1313.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1314. 

  1315.             if (plugin == nullptr || ! plugin->isEnabled())

  1316.                 continue;

  1317. 

  1318.             plugin->setActive(false, true, false);

  1319.         }

  1320. #endif

  1321. 

  1322.         // just in case

  1323.         //runPendingRtEvents();

  1324.     }

  1325. 

  1326.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1327.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1328.     {

  1329.         const PendingRtEventsRunner prt(this, frames);

  1330. 

  1331.         // ---------------------------------------------------------------

  1332.         // Time Info

  1333. 

  1334.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1335. 

  1336.         pData->timeInfo.playing = timeInfo->playing;

  1337.         pData->timeInfo.frame   = timeInfo->frame;

  1338.         pData->timeInfo.usecs   = timeInfo->usecs;

  1339.         pData->timeInfo.valid   = 0x0;

  1340. 

  1341.         if (timeInfo->bbt.valid)

  1342.         {

  1343.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1344. 

  1345.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1346.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1347.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1348.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1349. 

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

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

  1352. 

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

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

  1355.         }

  1356. 

  1357.         // ---------------------------------------------------------------

  1358.         // Do nothing if no plugins and rack mode

  1359. 

  1360.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1361.         {

  1362.             if (outBuffer[0] != inBuffer[0])

  1363.                 FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1364. 

  1365.             if (outBuffer[1] != inBuffer[1])

  1366.                 FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1367. 

  1368.             for (uint32_t i=0; i < midiEventCount; ++i)

  1369.             {

  1370.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1371.                     break;

  1372.             }

  1373.             return;

  1374.         }

  1375. 

  1376.         // ---------------------------------------------------------------

  1377.         // initialize events

  1378. 

  1379.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1380.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1381. 

  1382.         // ---------------------------------------------------------------

  1383.         // events input (before processing)

  1384. 

  1385.         {

  1386.             uint32_t engineEventIndex = 0;

  1387. 

  1388.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1389.             {

  1390.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1391.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1392. 

  1393.                 engineEvent.time = midiEvent.time;

  1394.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1395. 

  1396.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1397.                     break;

  1398.             }

  1399.         }

  1400. 

  1401.         if (kIsPatchbay)

  1402.         {

  1403.             // -----------------------------------------------------------

  1404.             // process

  1405. 

  1406.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1407.         }

  1408.         else

  1409.         {

  1410.             // -----------------------------------------------------------

  1411.             // create audio buffers

  1412. 

  1413.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1414.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1415. 

  1416.             // -----------------------------------------------------------

  1417.             // process

  1418. 

  1419.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1420.         }

  1421. 

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

  1423.         // events output (after processing)

  1424. 

  1425.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1426. 

  1427.         {

  1428.             NativeMidiEvent midiEvent;

  1429. 

  1430.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1431.             {

  1432.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1433. 

  1434.                 if (engineEvent.type == kEngineEventTypeNull)

  1435.                     break;

  1436. 

  1437.                 midiEvent.time = engineEvent.time;

  1438. 

  1439.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1440.                 {

  1441.                     midiEvent.port = 0;

  1442.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1443.                 }

  1444.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1445.                 {

  1446.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1447.                         continue;

  1448. 

  1449.                     midiEvent.port = engineEvent.midi.port;

  1450.                     midiEvent.size = engineEvent.midi.size;

  1451. 

  1452.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1453. 

  1454.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1455.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1456.                 }

  1457.                 else

  1458.                 {

  1459.                     carla_stderr("Unknown event type...");

  1460.                     continue;

  1461.                 }

  1462. 

  1463.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1464.             }

  1465.         }

  1466.     }

  1467. 

  1468.     // -------------------------------------------------------------------

  1469.     // Plugin UI calls

  1470. 

  1471.     void uiShow(const bool show)

  1472.     {

  1473.         if (show)

  1474.         {

  1475.             if (fUiServer.isPipeRunning())

  1476.             {

  1477.                 fUiServer.writeFocusMessage();

  1478.                 return;

  1479.             }

  1480. 

  1481.             CarlaString path(pHost->resourceDir);

  1482. 

  1483.             if (kIsPatchbay)

  1484.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1485.             else

  1486.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1487. #ifdef CARLA_OS_WIN

  1488.             path += ".exe";

  1489. #endif

  1490.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1491. 

  1492.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1493. 

  1494.             if (! fUiServer.startPipeServer(false))

  1495.             {

  1496.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1497.                 return;

  1498.             }

  1499. 

  1500.             uiServerInfo();

  1501.             uiServerOptions();

  1502.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1503. 

  1504.             fUiServer.writeShowMessage();

  1505. 

  1506.             for (uint i=0; i < pData->curPluginCount; ++i)

  1507.             {

  1508.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1509. 

  1510.                 if (plugin != nullptr && plugin->isEnabled())

  1511.                 {

  1512.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1513.                 }

  1514.             }

  1515. 

  1516.             if (kIsPatchbay)

  1517.                 patchbayRefresh(false);

  1518. 

  1519.             if (fWaitForReadyMsg)

  1520.             {

  1521.                 carla_stdout("Using Carla plugin embedded, waiting for it to be ready...");

  1522. 

  1523.                 for (; fUiServer.isPipeRunning() && ! fUiServer.isReady();)

  1524.                 {

  1525.                     carla_msleep(25);

  1526.                     fUiServer.idlePipe();

  1527.                 }

  1528. 

  1529.                 carla_stdout("Done!");

  1530.             }

  1531.         }

  1532.         else

  1533.         {

  1534.             fUiServer.stopPipeServer(2000);

  1535. 

  1536.             // hide all custom uis

  1537.             for (uint i=0; i < pData->curPluginCount; ++i)

  1538.             {

  1539.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1540. 

  1541.                 if (plugin != nullptr && plugin->isEnabled())

  1542.                 {

  1543.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1544.                     {

  1545.                         try {

  1546.                             plugin->showCustomUI(false);

  1547.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1548.                     }

  1549.                 }

  1550.             }

  1551.         }

  1552.     }

  1553. 

  1554.     void uiIdle()

  1555.     {

  1556.         for (uint i=0; i < pData->curPluginCount; ++i)

  1557.         {

  1558.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1559. 

  1560.             if (plugin != nullptr && plugin->isEnabled())

  1561.             {

  1562.                 const uint hints(plugin->getHints());

  1563. 

  1564.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1565.                 {

  1566.                     try {

  1567.                         plugin->uiIdle();

  1568.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1569.                 }

  1570.             }

  1571.         }

  1572. 

  1573.         if (fUiServer.isPipeRunning())

  1574.         {

  1575.             fUiServer.idlePipe();

  1576. 

  1577.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1578. #ifndef CARLA_OS_WIN

  1579.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1580.             const ScopedLocale csl;

  1581. 

  1582.             // send transport

  1583.             fUiServer.writeAndFixMessage("transport");

  1584.             fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n");

  1585. 

  1586.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1587.             {

  1588.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1589.                 fUiServer.writeMessage(fTmpBuf);

  1590.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1591.                 fUiServer.writeMessage(fTmpBuf);

  1592.             }

  1593.             else

  1594.             {

  1595.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1596.                 fUiServer.writeMessage(fTmpBuf);

  1597.                 fUiServer.writeMessage("0.0\n");

  1598.             }

  1599. 

  1600.             fUiServer.flushMessages();

  1601. #endif

  1602. 

  1603.             // send peaks and param outputs for all plugins

  1604.             for (uint i=0; i < pData->curPluginCount; ++i)

  1605.             {

  1606.                 const EnginePluginData& plugData(pData->plugins[i]);

  1607.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1608. 

  1609.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1610.                 fUiServer.writeMessage(fTmpBuf);

  1611. 

  1612.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1613.                 fUiServer.writeMessage(fTmpBuf);

  1614.                 fUiServer.flushMessages();

  1615. 

  1616.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1617.                 {

  1618.                     if (! plugin->isParameterOutput(j))

  1619.                         continue;

  1620. 

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

  1622.                     fUiServer.writeMessage(fTmpBuf);

  1623.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1624.                     fUiServer.writeMessage(fTmpBuf);

  1625.                     fUiServer.flushMessages();

  1626.                 }

  1627.             }

  1628.         }

  1629. 

  1630.         switch (fUiServer.getAndResetUiState())

  1631.         {

  1632.         case CarlaExternalUI::UiNone:

  1633.         case CarlaExternalUI::UiShow:

  1634.             break;

  1635.         case CarlaExternalUI::UiCrashed:

  1636.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1637.             break;

  1638.         case CarlaExternalUI::UiHide:

  1639.             pHost->ui_closed(pHost->handle);

  1640.             fUiServer.stopPipeServer(1000);

  1641.             break;

  1642.         }

  1643.     }

  1644. 

  1645.     // -------------------------------------------------------------------

  1646.     // Plugin state calls

  1647. 

  1648.     char* getState() const

  1649.     {

  1650.         MemoryOutputStream out;

  1651.         saveProjectInternal(out);

  1652.         return strdup(out.toString().toRawUTF8());

  1653.     }

  1654. 

  1655.     void setState(const char* const data)

  1656.     {

  1657.         // remove all plugins from UI side

  1658.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1659.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1660. 

  1661.         // remove all plugins from backend, no lock

  1662.         fIsRunning = false;

  1663.         removeAllPlugins();

  1664.         fIsRunning = true;

  1665. 

  1666.         // stopped during removeAllPlugins()

  1667.         if (! pData->thread.isThreadRunning())

  1668.             pData->thread.startThread();

  1669. 

  1670.         fOptionsForced = true;

  1671.         const String state(data);

  1672.         XmlDocument xml(state);

  1673.         loadProjectInternal(xml);

  1674.     }

  1675. 

  1676.     // -------------------------------------------------------------------

  1677. 

  1678. public:

  1679.     #define handlePtr ((CarlaEngineNative*)handle)

  1680. 

  1681.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1682.     {

  1683.         return new CarlaEngineNative(host, false);

  1684.     }

  1685. 

  1686.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1687.     {

  1688.         return new CarlaEngineNative(host, true);

  1689.     }

  1690. 

  1691.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1692.     {

  1693.         return new CarlaEngineNative(host, true, 3, 2);

  1694.     }

  1695. 

  1696.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1697.     {

  1698.         return new CarlaEngineNative(host, true, 16);

  1699.     }

  1700. 

  1701.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1702.     {

  1703.         return new CarlaEngineNative(host, true, 32);

  1704.     }

  1705. 

  1706.     static void _cleanup(NativePluginHandle handle)

  1707.     {

  1708.         delete handlePtr;

  1709.     }

  1710. 

  1711.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1712.     {

  1713.         return handlePtr->getParameterCount();

  1714.     }

  1715. 

  1716.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1717.     {

  1718.         return handlePtr->getParameterInfo(index);

  1719.     }

  1720. 

  1721.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1722.     {

  1723.         return handlePtr->getParameterValue(index);

  1724.     }

  1725. 

  1726.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1727.     {

  1728.         return handlePtr->getMidiProgramCount();

  1729.     }

  1730. 

  1731.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1732.     {

  1733.         return handlePtr->getMidiProgramInfo(index);

  1734.     }

  1735. 

  1736.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1737.     {

  1738.         handlePtr->setParameterValue(index, value);

  1739.     }

  1740. 

  1741.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1742.     {

  1743.         handlePtr->setMidiProgram(channel, bank, program);

  1744.     }

  1745. 

  1746.     static void _ui_show(NativePluginHandle handle, bool show)

  1747.     {

  1748.         handlePtr->uiShow(show);

  1749.     }

  1750. 

  1751.     static void _ui_idle(NativePluginHandle handle)

  1752.     {

  1753.         handlePtr->uiIdle();

  1754.     }

  1755. 

  1756.     static void _activate(NativePluginHandle handle)

  1757.     {

  1758.         handlePtr->activate();

  1759.     }

  1760. 

  1761.     static void _deactivate(NativePluginHandle handle)

  1762.     {

  1763.         handlePtr->deactivate();

  1764.     }

  1765. 

  1766.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1767.     {

  1768.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1769.     }

  1770. 

  1771.     static char* _get_state(NativePluginHandle handle)

  1772.     {

  1773.         return handlePtr->getState();

  1774.     }

  1775. 

  1776.     static void _set_state(NativePluginHandle handle, const char* data)

  1777.     {

  1778.         handlePtr->setState(data);

  1779.     }

  1780. 

  1781.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1782.     {

  1783.         switch(opcode)

  1784.         {

  1785.         case NATIVE_PLUGIN_OPCODE_NULL:

  1786.             if (static_cast<uint32_t>(index) == 0xDEADF00D && static_cast<uintptr_t>(value) == 0xC0C0B00B)

  1787.             {

  1788.                 handlePtr->fWaitForReadyMsg = true;

  1789.                 return handlePtr->fUiServer.getRemoteWinId();

  1790.             }

  1791.             return 0;

  1792.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1793.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1794.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1795.             return 0;

  1796.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1797.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1798.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1799.             return 0;

  1800.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1801.             handlePtr->offlineModeChanged(value != 0);

  1802.             return 0;

  1803.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1804.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1805.             return 0;

  1806.         }

  1807. 

  1808.         return 0;

  1809. 

  1810.         // unused

  1811.         (void)index;

  1812.         (void)ptr;

  1813.     }

  1814. 

  1815.     // -------------------------------------------------------------------

  1816. 

  1817.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1818.     {

  1819.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1820.     }

  1821. 

  1822.     // -------------------------------------------------------------------

  1823. 

  1824.     #undef handlePtr

  1825. 

  1826. private:

  1827.     const NativeHostDescriptor* const pHost;

  1828. 

  1829.     const bool kIsPatchbay; // rack if false

  1830.     bool fIsActive, fIsRunning;

  1831.     CarlaEngineNativeUI fUiServer;

  1832. 

  1833.     bool fOptionsForced;

  1834.     bool fWaitForReadyMsg;

  1835.     char fTmpBuf[STR_MAX+1];

  1836. 

  1837.     const ScopedJuceInitialiser_GUI juceGuiInit;

  1838. 

  1839.     CarlaPlugin* _getFirstPlugin() const noexcept

  1840.     {

  1841.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1842.             return nullptr;

  1843. 

  1844.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1845. 

  1846.         if (plugin == nullptr || ! plugin->isEnabled())

  1847.             return nullptr;

  1848. 

  1849.         return pData->plugins[0].plugin;

  1850.     }

  1851. 

  1852.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1853. };

  1854. 

  1855. // -----------------------------------------------------------------------

  1856. 

  1857. static const NativePluginDescriptor carlaRackDesc = {

  1858.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1859.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1860.                                                   |NATIVE_PLUGIN_HAS_UI

  1861.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1862.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1863.                                                   |NATIVE_PLUGIN_USES_STATE

  1864.                                                   |NATIVE_PLUGIN_USES_TIME),

  1865.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1866.     /* audioIns  */ 2,

  1867.     /* audioOuts */ 2,

  1868.     /* midiIns   */ 1,

  1869.     /* midiOuts  */ 1,

  1870.     /* paramIns  */ 0,

  1871.     /* paramOuts */ 0,

  1872.     /* name      */ "Carla-Rack",

  1873.     /* label     */ "carlarack",

  1874.     /* maker     */ "falkTX",

  1875.     /* copyright */ "GNU GPL v2+",

  1876.     CarlaEngineNative::_instantiateRack,

  1877.     CarlaEngineNative::_cleanup,

  1878.     CarlaEngineNative::_get_parameter_count,

  1879.     CarlaEngineNative::_get_parameter_info,

  1880.     CarlaEngineNative::_get_parameter_value,

  1881.     CarlaEngineNative::_get_midi_program_count,

  1882.     CarlaEngineNative::_get_midi_program_info,

  1883.     CarlaEngineNative::_set_parameter_value,

  1884.     CarlaEngineNative::_set_midi_program,

  1885.     /* _set_custom_data        */ nullptr,

  1886.     CarlaEngineNative::_ui_show,

  1887.     CarlaEngineNative::_ui_idle,

  1888.     /* _ui_set_parameter_value */ nullptr,

  1889.     /* _ui_set_midi_program    */ nullptr,

  1890.     /* _ui_set_custom_data     */ nullptr,

  1891.     CarlaEngineNative::_activate,

  1892.     CarlaEngineNative::_deactivate,

  1893.     CarlaEngineNative::_process,

  1894.     CarlaEngineNative::_get_state,

  1895.     CarlaEngineNative::_set_state,

  1896.     CarlaEngineNative::_dispatcher

  1897. };

  1898. 

  1899. static const NativePluginDescriptor carlaPatchbayDesc = {

  1900.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1901.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1902.                                                   |NATIVE_PLUGIN_HAS_UI

  1903.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1904.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1905.                                                   |NATIVE_PLUGIN_USES_STATE

  1906.                                                   |NATIVE_PLUGIN_USES_TIME),

  1907.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1908.     /* audioIns  */ 2,

  1909.     /* audioOuts */ 2,

  1910.     /* midiIns   */ 1,

  1911.     /* midiOuts  */ 1,

  1912.     /* paramIns  */ 0,

  1913.     /* paramOuts */ 0,

  1914.     /* name      */ "Carla-Patchbay",

  1915.     /* label     */ "carlapatchbay",

  1916.     /* maker     */ "falkTX",

  1917.     /* copyright */ "GNU GPL v2+",

  1918.     CarlaEngineNative::_instantiatePatchbay,

  1919.     CarlaEngineNative::_cleanup,

  1920.     CarlaEngineNative::_get_parameter_count,

  1921.     CarlaEngineNative::_get_parameter_info,

  1922.     CarlaEngineNative::_get_parameter_value,

  1923.     CarlaEngineNative::_get_midi_program_count,

  1924.     CarlaEngineNative::_get_midi_program_info,

  1925.     CarlaEngineNative::_set_parameter_value,

  1926.     CarlaEngineNative::_set_midi_program,

  1927.     /* _set_custom_data        */ nullptr,

  1928.     CarlaEngineNative::_ui_show,

  1929.     CarlaEngineNative::_ui_idle,

  1930.     /* _ui_set_parameter_value */ nullptr,

  1931.     /* _ui_set_midi_program    */ nullptr,

  1932.     /* _ui_set_custom_data     */ nullptr,

  1933.     CarlaEngineNative::_activate,

  1934.     CarlaEngineNative::_deactivate,

  1935.     CarlaEngineNative::_process,

  1936.     CarlaEngineNative::_get_state,

  1937.     CarlaEngineNative::_set_state,

  1938.     CarlaEngineNative::_dispatcher

  1939. };

  1940. 

  1941. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1942.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1943.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1944.                                                   |NATIVE_PLUGIN_HAS_UI

  1945.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1946.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1947.                                                   |NATIVE_PLUGIN_USES_STATE

  1948.                                                   |NATIVE_PLUGIN_USES_TIME),

  1949.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1950.     /* audioIns  */ 3,

  1951.     /* audioOuts */ 2,

  1952.     /* midiIns   */ 1,

  1953.     /* midiOuts  */ 1,

  1954.     /* paramIns  */ 0,

  1955.     /* paramOuts */ 0,

  1956.     /* name      */ "Carla-Patchbay (sidechain)",

  1957.     /* label     */ "carlapatchbay3s",

  1958.     /* maker     */ "falkTX",

  1959.     /* copyright */ "GNU GPL v2+",

  1960.     CarlaEngineNative::_instantiatePatchbay3s,

  1961.     CarlaEngineNative::_cleanup,

  1962.     CarlaEngineNative::_get_parameter_count,

  1963.     CarlaEngineNative::_get_parameter_info,

  1964.     CarlaEngineNative::_get_parameter_value,

  1965.     CarlaEngineNative::_get_midi_program_count,

  1966.     CarlaEngineNative::_get_midi_program_info,

  1967.     CarlaEngineNative::_set_parameter_value,

  1968.     CarlaEngineNative::_set_midi_program,

  1969.     /* _set_custom_data        */ nullptr,

  1970.     CarlaEngineNative::_ui_show,

  1971.     CarlaEngineNative::_ui_idle,

  1972.     /* _ui_set_parameter_value */ nullptr,

  1973.     /* _ui_set_midi_program    */ nullptr,

  1974.     /* _ui_set_custom_data     */ nullptr,

  1975.     CarlaEngineNative::_activate,

  1976.     CarlaEngineNative::_deactivate,

  1977.     CarlaEngineNative::_process,

  1978.     CarlaEngineNative::_get_state,

  1979.     CarlaEngineNative::_set_state,

  1980.     CarlaEngineNative::_dispatcher

  1981. };

  1982. 

  1983. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1984.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1985.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1986.                                                   |NATIVE_PLUGIN_HAS_UI

  1987.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1988.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1989.                                                   |NATIVE_PLUGIN_USES_STATE

  1990.                                                   |NATIVE_PLUGIN_USES_TIME),

  1991.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1992.     /* audioIns  */ 16,

  1993.     /* audioOuts */ 16,

  1994.     /* midiIns   */ 1,

  1995.     /* midiOuts  */ 1,

  1996.     /* paramIns  */ 0,

  1997.     /* paramOuts */ 0,

  1998.     /* name      */ "Carla-Patchbay (16chan)",

  1999.     /* label     */ "carlapatchbay16",

  2000.     /* maker     */ "falkTX",

  2001.     /* copyright */ "GNU GPL v2+",

  2002.     CarlaEngineNative::_instantiatePatchbay16,

  2003.     CarlaEngineNative::_cleanup,

  2004.     CarlaEngineNative::_get_parameter_count,

  2005.     CarlaEngineNative::_get_parameter_info,

  2006.     CarlaEngineNative::_get_parameter_value,

  2007.     CarlaEngineNative::_get_midi_program_count,

  2008.     CarlaEngineNative::_get_midi_program_info,

  2009.     CarlaEngineNative::_set_parameter_value,

  2010.     CarlaEngineNative::_set_midi_program,

  2011.     /* _set_custom_data        */ nullptr,

  2012.     CarlaEngineNative::_ui_show,

  2013.     CarlaEngineNative::_ui_idle,

  2014.     /* _ui_set_parameter_value */ nullptr,

  2015.     /* _ui_set_midi_program    */ nullptr,

  2016.     /* _ui_set_custom_data     */ nullptr,

  2017.     CarlaEngineNative::_activate,

  2018.     CarlaEngineNative::_deactivate,

  2019.     CarlaEngineNative::_process,

  2020.     CarlaEngineNative::_get_state,

  2021.     CarlaEngineNative::_set_state,

  2022.     CarlaEngineNative::_dispatcher

  2023. };

  2024. 

  2025. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2026.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2027.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2028.                                                   |NATIVE_PLUGIN_HAS_UI

  2029.                                                   //|NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  2030.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2031.                                                   |NATIVE_PLUGIN_USES_STATE

  2032.                                                   |NATIVE_PLUGIN_USES_TIME),

  2033.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2034.     /* audioIns  */ 32,

  2035.     /* audioOuts */ 32,

  2036.     /* midiIns   */ 1,

  2037.     /* midiOuts  */ 1,

  2038.     /* paramIns  */ 0,

  2039.     /* paramOuts */ 0,

  2040.     /* name      */ "Carla-Patchbay (32chan)",

  2041.     /* label     */ "carlapatchbay32",

  2042.     /* maker     */ "falkTX",

  2043.     /* copyright */ "GNU GPL v2+",

  2044.     CarlaEngineNative::_instantiatePatchbay32,

  2045.     CarlaEngineNative::_cleanup,

  2046.     CarlaEngineNative::_get_parameter_count,

  2047.     CarlaEngineNative::_get_parameter_info,

  2048.     CarlaEngineNative::_get_parameter_value,

  2049.     CarlaEngineNative::_get_midi_program_count,

  2050.     CarlaEngineNative::_get_midi_program_info,

  2051.     CarlaEngineNative::_set_parameter_value,

  2052.     CarlaEngineNative::_set_midi_program,

  2053.     /* _set_custom_data        */ nullptr,

  2054.     CarlaEngineNative::_ui_show,

  2055.     CarlaEngineNative::_ui_idle,

  2056.     /* _ui_set_parameter_value */ nullptr,

  2057.     /* _ui_set_midi_program    */ nullptr,

  2058.     /* _ui_set_custom_data     */ nullptr,

  2059.     CarlaEngineNative::_activate,

  2060.     CarlaEngineNative::_deactivate,

  2061.     CarlaEngineNative::_process,

  2062.     CarlaEngineNative::_get_state,

  2063.     CarlaEngineNative::_set_state,

  2064.     CarlaEngineNative::_dispatcher

  2065. };

  2066. 

  2067. CARLA_BACKEND_END_NAMESPACE

  2068. 

  2069. // -----------------------------------------------------------------------

  2070. 

  2071. CARLA_EXPORT

  2072. void carla_register_native_plugin_carla();

  2073. 

  2074. void carla_register_native_plugin_carla()

  2075. {

  2076.     CARLA_BACKEND_USE_NAMESPACE;

  2077.     carla_register_native_plugin(&carlaRackDesc);

  2078.     carla_register_native_plugin(&carlaPatchbayDesc);

  2079.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2080.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2081.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2082. }

  2083. 

  2084. // -----------------------------------------------------------------------

  2085. 

  2086. CARLA_EXPORT

  2087. const NativePluginDescriptor* carla_get_native_rack_plugin();

  2088. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2089. {

  2090.     CARLA_BACKEND_USE_NAMESPACE;

  2091.     return &carlaRackDesc;

  2092. }

  2093. 

  2094. CARLA_EXPORT

  2095. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  2096. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2097. {

  2098.     CARLA_BACKEND_USE_NAMESPACE;

  2099.     return &carlaPatchbayDesc;

  2100. }

  2101. 

  2102. // -----------------------------------------------------------------------

  2103. // Extra stuff for linking purposes

  2104. 

  2105. #ifdef CARLA_PLUGIN_EXPORT

  2106. 

  2107. CARLA_BACKEND_START_NAMESPACE

  2108. 

  2109. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2110. 

  2111. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  2112. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2113. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2114. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2115. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2116. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2117. # else

  2118. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2119. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2120. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2121. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2122. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2123. # endif

  2124. 

  2125. CARLA_BACKEND_END_NAMESPACE

  2126. 

  2127. #include "CarlaHostCommon.cpp"

  2128. #include "CarlaPluginUI.cpp"

  2129. #include "CarlaDssiUtils.cpp"

  2130. #include "CarlaPatchbayUtils.cpp"

  2131. #include "CarlaPipeUtils.cpp"

  2132. #include "CarlaStateUtils.cpp"

  2133. #include "CarlaJuceAudioProcessors.cpp"

  2134. 

  2135. #endif

  2136. 

  2137. // -----------------------------------------------------------------------