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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) 2011-2018 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaDefines.h"

  19. 

  20. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  21. # error This file should not be compiled if building alternative-arch bridges

  22. #endif

  23. 

  24. #include "CarlaEngineInternal.hpp"

  25. #include "CarlaPlugin.hpp"

  26. 

  27. #include "CarlaBackendUtils.hpp"

  28. #include "CarlaBase64Utils.hpp"

  29. #include "CarlaBinaryUtils.hpp"

  30. #include "CarlaMathUtils.hpp"

  31. #include "CarlaStateUtils.hpp"

  32. 

  33. #include "CarlaExternalUI.hpp"

  34. #include "CarlaHost.h"

  35. #include "CarlaNative.hpp"

  36. 

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

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

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

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

  41. 

  42. using water::File;

  43. using water::MemoryOutputStream;

  44. using water::String;

  45. using water::XmlDocument;

  46. using water::XmlElement;

  47. 

  48. CARLA_BACKEND_START_NAMESPACE

  49. 

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

  51. 

  52. class CarlaEngineNativeUI : public CarlaExternalUI

  53. {

  54. public:

  55.     CarlaEngineNativeUI(CarlaEngine* const engine)

  56.         : fEngine(engine),

  57.           fRemoteWinId(0)

  58.     {

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

  60.     }

  61. 

  62.     ~CarlaEngineNativeUI() noexcept override

  63.     {

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

  65.     }

  66. 

  67.     bool isReady() const noexcept

  68.     {

  69.         return fRemoteWinId != 0;

  70.     }

  71. 

  72.     intptr_t getRemoteWinId() const noexcept

  73.     {

  74.         return fRemoteWinId;

  75.     }

  76. 

  77. protected:

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

  79.     {

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

  81.             return true;

  82. 

  83.         bool ok = true;

  84. 

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

  86.         {

  87.             uint32_t option;

  88.             int32_t value;

  89.             const char* valueStr = nullptr;

  90. 

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

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

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

  94. 

  95.             try {

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

  97.             } CARLA_SAFE_EXCEPTION("setOption");

  98. 

  99.             if (valueStr != nullptr)

  100.                 delete[] valueStr;

  101.         }

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

  103.         {

  104.             const char* filename;

  105. 

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

  107. 

  108.             try {

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

  110.             } CARLA_SAFE_EXCEPTION("loadFile");

  111. 

  112.             delete[] filename;

  113.         }

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

  115.         {

  116.             const char* filename;

  117. 

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

  119. 

  120.             try {

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

  122.             } CARLA_SAFE_EXCEPTION("loadProject");

  123. 

  124.             delete[] filename;

  125.         }

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

  127.         {

  128.             const char* filename;

  129. 

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

  131. 

  132.             try {

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

  134.             } CARLA_SAFE_EXCEPTION("saveProject");

  135. 

  136.             delete[] filename;

  137.         }

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

  139.         {

  140.             uint32_t groupA, portA, groupB, portB;

  141. 

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

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

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

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

  146. 

  147.             try {

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

  149.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  150.         }

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

  152.         {

  153.             uint32_t connectionId;

  154. 

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

  156. 

  157.             try {

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

  159.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  160.         }

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

  162.         {

  163.             try {

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

  165.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  166.         }

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

  168.         {

  169.             fEngine->transportPlay();

  170.         }

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

  172.         {

  173.             fEngine->transportPause();

  174.         }

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

  176.         {

  177.             double bpm;

  178. 

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

  180. 

  181.             fEngine->transportBPM(bpm);

  182.         }

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

  184.         {

  185.             uint64_t frame;

  186. 

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

  188. 

  189.             fEngine->transportRelocate(frame);

  190.         }

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

  192.         {

  193.             uint32_t btype, ptype;

  194.             const char* filename = nullptr;

  195.             const char* name;

  196.             const char* label;

  197.             int64_t uniqueId;

  198.             uint options;

  199. 

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

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

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

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

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

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

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

  207. 

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

  209.             {

  210.                 delete[] filename;

  211.                 filename = nullptr;

  212.             }

  213. 

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

  215.             {

  216.                 delete[] name;

  217.                 name = nullptr;

  218.             }

  219. 

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

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

  222. 

  223.             if (filename != nullptr)

  224.                 delete[] filename;

  225.             if (name != nullptr)

  226.                 delete[] name;

  227.             delete[] label;

  228.         }

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

  230.         {

  231.             uint32_t pluginId;

  232. 

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

  234. 

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

  236.         }

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

  238.         {

  239.             ok = fEngine->removeAllPlugins();

  240.         }

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

  242.         {

  243.             uint32_t pluginId;

  244.             const char* newName;

  245. 

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

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

  248. 

  249.             // TODO

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

  251. 

  252.             delete[] newName;

  253.         }

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

  255.         {

  256.             uint32_t pluginId;

  257. 

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

  259. 

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

  261.         }

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

  263.         {

  264.             uint32_t pluginId;

  265. 

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

  267. 

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

  269.         }

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

  271.         {

  272.             uint32_t pluginIdA, pluginIdB;

  273. 

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

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

  276. 

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

  278.         }

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

  280.         {

  281.             uint32_t pluginId;

  282.             const char* filename;

  283. 

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

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

  286. 

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

  288.                 plugin->loadStateFromFile(filename);

  289. 

  290.             delete[] filename;

  291.         }

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

  293.         {

  294.             uint32_t pluginId;

  295.             const char* filename;

  296. 

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

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

  299. 

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

  301.                 plugin->saveStateToFile(filename);

  302. 

  303.             delete[] filename;

  304.         }

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

  306.         {

  307.             uint32_t pluginId, option;

  308.             bool yesNo;

  309. 

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

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

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

  313. 

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

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

  316.         }

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

  318.         {

  319.             uint32_t pluginId;

  320.             bool onOff;

  321. 

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

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

  324. 

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

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

  327.         }

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

  329.         {

  330.             uint32_t pluginId;

  331.             float value;

  332. 

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

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

  335. 

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

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

  338.         }

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

  340.         {

  341.             uint32_t pluginId;

  342.             float value;

  343. 

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

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

  346. 

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

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

  349.         }

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

  351.         {

  352.             uint32_t pluginId;

  353.             float value;

  354. 

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

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

  357. 

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

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

  360.         }

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

  362.         {

  363.             uint32_t pluginId;

  364.             float value;

  365. 

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

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

  368. 

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

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

  371.         }

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

  373.         {

  374.             uint32_t pluginId;

  375.             float value;

  376. 

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

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

  379. 

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

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

  382.         }

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

  384.         {

  385.             uint32_t pluginId;

  386.             int32_t channel;

  387. 

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

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

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

  391. 

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

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

  394.         }

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

  396.         {

  397.             uint32_t pluginId, parameterId;

  398.             float value;

  399. 

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

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

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

  403. 

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

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

  406.         }

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

  408.         {

  409.             uint32_t pluginId, parameterId, channel;

  410. 

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

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

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

  414.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  415. 

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

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

  418.         }

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

  420.         {

  421.             uint32_t pluginId, parameterId;

  422.             int32_t cc;

  423. 

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

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

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

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

  428. 

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

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

  431.         }

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

  433.         {

  434.             uint32_t pluginId;

  435.             int32_t index;

  436. 

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

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

  439. 

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

  441.             {

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

  443.                 _updateParamValues(plugin, pluginId);

  444.             }

  445.         }

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

  447.         {

  448.             uint32_t pluginId;

  449.             int32_t index;

  450. 

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

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

  453. 

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

  455.             {

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

  457.                 _updateParamValues(plugin, pluginId);

  458.             }

  459.         }

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

  461.         {

  462.             uint32_t pluginId;

  463.             const char* type;

  464.             const char* key;

  465.             const char* value;

  466. 

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

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

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

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

  471. 

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

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

  474. 

  475.             delete[] type;

  476.             delete[] key;

  477.             delete[] value;

  478.         }

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

  480.         {

  481.             uint32_t pluginId;

  482.             const char* cdata;

  483. 

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

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

  486. 

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

  488.             {

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

  490. #ifdef CARLA_PROPER_CPP11_SUPPORT

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

  492. #else

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

  494. #endif

  495.             }

  496. 

  497.             delete[] cdata;

  498.         }

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

  500.         {

  501.             uint32_t pluginId;

  502. 

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

  504. 

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

  506.                 plugin->prepareForSave();

  507.         }

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

  509.         {

  510.             uint32_t pluginId;

  511. 

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

  513. 

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

  515.                 plugin->resetParameters();

  516.         }

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

  518.         {

  519.             uint32_t pluginId;

  520. 

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

  522. 

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

  524.                 plugin->randomizeParameters();

  525.         }

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

  527.         {

  528.             uint32_t pluginId, channel, note, velocity;

  529. 

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

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

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

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

  534.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  535.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  536.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  537. 

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

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

  540.         }

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

  542.         {

  543.             uint32_t pluginId;

  544.             bool yesNo;

  545. 

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

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

  548. 

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

  550.                 plugin->showCustomUI(yesNo);

  551.         }

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

  553.         {

  554.             uint64_t winId;

  555. 

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

  557. 

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

  559.         }

  560.         else

  561.         {

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

  563.             return false;

  564.         }

  565. 

  566.         if (! ok)

  567.         {

  568.             const CarlaMutexLocker cml(getPipeLock());

  569. 

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

  571.                 flushMessages();

  572.         }

  573. 

  574.         return true;

  575.     }

  576. 

  577. private:

  578.     CarlaEngine* const fEngine;

  579.     intptr_t           fRemoteWinId;

  580. 

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

  582.     {

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

  584.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

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

  586.     }

  587. 

  588.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  589. };

  590. 

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

  592. 

  593. class CarlaEngineNative : public CarlaEngine

  594. {

  595. public:

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

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

  598.         : CarlaEngine(),

  599.           pHost(host),

  600.           kIsPatchbay(isPatchbay),

  601.           kHasMidiOut(withMidiOut),

  602.           fIsActive(false),

  603.           fIsRunning(false),

  604.           fUiServer(this),

  605.           fOptionsForced(false),

  606.           fWaitForReadyMsg(false)

  607.     {

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

  609. 

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

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

  612.         pData->initTime(nullptr);

  613. 

  614.         if (outChan == 0)

  615.             outChan = inChan;

  616. 

  617.         // set-up engine

  618.         if (kIsPatchbay)

  619.         {

  620.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  621.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  622.             pData->options.forceStereo         = false;

  623.             pData->options.preferPluginBridges = false;

  624.             pData->options.preferUiBridges     = false;

  625.             init("Carla-Patchbay");

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

  627.         }

  628.         else

  629.         {

  630.             CARLA_SAFE_ASSERT(inChan == 2);

  631.             CARLA_SAFE_ASSERT(outChan == 2);

  632.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  633.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  634.             pData->options.forceStereo         = true;

  635.             pData->options.preferPluginBridges = false;

  636.             pData->options.preferUiBridges     = false;

  637.             init("Carla-Rack");

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

  639.         }

  640. 

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

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

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

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

  645. 

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

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

  648. 

  649.         setCallback(_ui_server_callback, this);

  650.         setFileCallback(_ui_file_callback, this);

  651.     }

  652. 

  653.     ~CarlaEngineNative() override

  654.     {

  655.         CARLA_SAFE_ASSERT(! fIsActive);

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

  657. 

  658.         pData->aboutToClose = true;

  659.         fIsRunning = false;

  660. 

  661.         removeAllPlugins();

  662.         //runPendingRtEvents();

  663.         close();

  664. 

  665.         pData->graph.destroy();

  666. 

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

  668.     }

  669. 

  670. protected:

  671.     // -------------------------------------

  672.     // CarlaEngine virtual calls

  673. 

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

  675.     {

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

  677. 

  678.         fIsRunning = true;

  679. 

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

  681.         {

  682.             close();

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

  684.             return false;

  685.         }

  686. 

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

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

  689. 

  690.         return true;

  691.     }

  692. 

  693.     bool close() override

  694.     {

  695.         fIsRunning = false;

  696.         CarlaEngine::close();

  697.         return true;

  698.     }

  699. 

  700.     bool isRunning() const noexcept override

  701.     {

  702.         return fIsRunning;

  703.     }

  704. 

  705.     bool isOffline() const noexcept override

  706.     {

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

  708.     }

  709. 

  710.     bool usesConstantBufferSize() const noexcept override

  711.     {

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

  713.         return true;

  714.     }

  715. 

  716.     EngineType getType() const noexcept override

  717.     {

  718.         return kEngineTypePlugin;

  719.     }

  720. 

  721.     const char* getCurrentDriverName() const noexcept override

  722.     {

  723.         return "Plugin";

  724.     }

  725. 

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

  727.     {

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

  729. 

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

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

  732.     }

  733. 

  734.     // -------------------------------------------------------------------

  735. 

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

  737.     {

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

  739.         {

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

  741.             return retName;

  742.         }

  743. 

  744.         return nullptr;

  745.     }

  746. 

  747.     // -------------------------------------------------------------------

  748. 

  749.     void bufferSizeChanged(const uint32_t newBufferSize)

  750.     {

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

  752.             return;

  753. 

  754.         {

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

  756. 

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

  758.             {

  759.                 char tmpBuf[STR_MAX];

  760.                 carla_zeroChars(tmpBuf, STR_MAX);

  761. 

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

  763. 

  764.                 if (fUiServer.writeMessage(tmpBuf))

  765.                     fUiServer.flushMessages();

  766.             }

  767.         }

  768. 

  769.         pData->bufferSize = newBufferSize;

  770.         CarlaEngine::bufferSizeChanged(newBufferSize);

  771.     }

  772. 

  773.     void sampleRateChanged(const double newSampleRate)

  774.     {

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

  776.             return;

  777. 

  778.         {

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

  780. 

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

  782.             {

  783.                 char tmpBuf[STR_MAX];

  784.                 carla_zeroChars(tmpBuf, STR_MAX);

  785. 

  786.                 {

  787.                     const ScopedLocale csl;

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

  789.                 }

  790. 

  791.                 if (fUiServer.writeMessage(tmpBuf))

  792.                     fUiServer.flushMessages();

  793.             }

  794.         }

  795. 

  796.         pData->sampleRate = newSampleRate;

  797.         CarlaEngine::sampleRateChanged(newSampleRate);

  798.     }

  799. 

  800.     // -------------------------------------------------------------------

  801. 

  802.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  803.     {

  804.         char tmpBuf[STR_MAX];

  805.         carla_zeroChars(tmpBuf, STR_MAX);

  806. 

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

  808. 

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

  810. 

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

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

  813.             return;

  814. 

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

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

  817.             return;

  818. 

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

  820.         {

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

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

  823.                 return;

  824.         }

  825.         else

  826.         {

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

  828.                 return;

  829.         }

  830. 

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

  832.         {

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

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

  835.                 return;

  836.         }

  837.         else

  838.         {

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

  840.                 return;

  841.         }

  842. 

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

  844.         {

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

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

  847.                 return;

  848.         }

  849.         else

  850.         {

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

  852.                 return;

  853.         }

  854. 

  855.         plugin->getRealName(tmpBuf);

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

  857.             return;

  858. 

  859.         plugin->getLabel(tmpBuf);

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

  861.             return;

  862. 

  863.         plugin->getMaker(tmpBuf);

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

  865.             return;

  866. 

  867.         plugin->getCopyright(tmpBuf);

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

  869.             return;

  870. 

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

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

  873.             return;

  874. 

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

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

  877.             return;

  878. 

  879.         fUiServer.flushMessages();

  880.     }

  881. 

  882.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  883.     {

  884.         char tmpBuf[STR_MAX];

  885.         carla_zeroChars(tmpBuf, STR_MAX);

  886. 

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

  888.         const ScopedLocale csl;

  889. 

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

  891. 

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

  893.         {

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

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

  896.                 return;

  897. 

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

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

  900.                 return;

  901. 

  902.             fUiServer.flushMessages();

  903.         }

  904. 

  905.         uint32_t ins, outs, count;

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

  907.         count = plugin->getParameterCount();

  908. 

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

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

  911.             return;

  912. 

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

  914.         {

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

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

  917. 

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

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

  920.                 return;

  921. 

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

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

  924.                 return;

  925. 

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

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

  928.                 return;

  929. 

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

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

  932.                 return;

  933. 

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

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

  936.                 return;

  937. 

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

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

  940.                 return;

  941. 

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

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

  944.                 return;

  945. 

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

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

  948.                 return;

  949.         }

  950. 

  951.         fUiServer.flushMessages();

  952.     }

  953. 

  954.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  955.     {

  956.         char tmpBuf[STR_MAX];

  957.         carla_zeroChars(tmpBuf, STR_MAX);

  958. 

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

  960. 

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

  962. 

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

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

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

  966.             return;

  967. 

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

  969.         {

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

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

  972.                 return;

  973. 

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

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

  976.                 return;

  977.         }

  978. 

  979.         fUiServer.flushMessages();

  980. 

  981.         count = plugin->getMidiProgramCount();

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

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

  984.             return;

  985. 

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

  987.         {

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

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

  990.                 return;

  991. 

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

  993. 

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

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

  996.                 return;

  997. 

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

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

  1000.                 return;

  1001.         }

  1002. 

  1003.         fUiServer.flushMessages();

  1004.     }

  1005. 

  1006.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  1007.     {

  1008.         char tmpBuf[STR_MAX];

  1009.         carla_zeroChars(tmpBuf, STR_MAX);

  1010. 

  1011.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1012. 

  1013.         const uint pluginId(plugin->getId());

  1014. 

  1015.         uint32_t count = plugin->getCustomDataCount();

  1016.         std::sprintf(tmpBuf, "CUSTOM_DATA_COUNT_%i:%i\n", pluginId, count);

  1017.         if (! fUiServer.writeMessage(tmpBuf))

  1018.             return;

  1019. 

  1020.         for (uint32_t i=0; i<count; ++i)

  1021.         {

  1022.             const CustomData& customData(plugin->getCustomData(i));

  1023.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  1024. 

  1025.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_PROPERTY) != 0)

  1026.                 continue;

  1027. 

  1028.             std::sprintf(tmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  1029.             if (! fUiServer.writeMessage(tmpBuf))

  1030.                 return;

  1031. 

  1032.             if (! fUiServer.writeAndFixMessage(customData.type))

  1033.                 return;

  1034.             if (! fUiServer.writeAndFixMessage(customData.key))

  1035.                 return;

  1036.             if (! fUiServer.writeAndFixMessage(customData.value))

  1037.                 return;

  1038.         }

  1039. 

  1040.         fUiServer.flushMessages();

  1041.     }

  1042. 

  1043.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr)

  1044.     {

  1045.         if (! fIsRunning)

  1046.             return;

  1047.         if (! fUiServer.isPipeRunning())

  1048.             return;

  1049. 

  1050.         CarlaPlugin* plugin;

  1051. 

  1052.         switch (action)

  1053.         {

  1054.         case ENGINE_CALLBACK_UPDATE:

  1055.             plugin = getPlugin(pluginId);

  1056. 

  1057.             if (plugin != nullptr && plugin->isEnabled())

  1058.             {

  1059.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1060.                 uiServerSendPluginProperties(plugin);

  1061.             }

  1062.             break;

  1063. 

  1064.         case ENGINE_CALLBACK_RELOAD_INFO:

  1065.             plugin = getPlugin(pluginId);

  1066. 

  1067.             if (plugin != nullptr && plugin->isEnabled())

  1068.             {

  1069.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1070.                 uiServerSendPluginInfo(plugin);

  1071.             }

  1072.             break;

  1073. 

  1074.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1075.             plugin = getPlugin(pluginId);

  1076. 

  1077.             if (plugin != nullptr && plugin->isEnabled())

  1078.             {

  1079.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1080.                 uiServerSendPluginParameters(plugin);

  1081.             }

  1082.             break;

  1083. 

  1084.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1085.             plugin = getPlugin(pluginId);

  1086. 

  1087.             if (plugin != nullptr && plugin->isEnabled())

  1088.             {

  1089.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1090.                 uiServerSendPluginPrograms(plugin);

  1091.             }

  1092.             break;

  1093. 

  1094.         case ENGINE_CALLBACK_RELOAD_ALL:

  1095.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1096.             plugin = getPlugin(pluginId);

  1097. 

  1098.             if (plugin != nullptr && plugin->isEnabled())

  1099.             {

  1100.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1101.                 uiServerSendPluginInfo(plugin);

  1102.                 uiServerSendPluginParameters(plugin);

  1103.                 uiServerSendPluginPrograms(plugin);

  1104.                 uiServerSendPluginProperties(plugin);

  1105.             }

  1106.             break;

  1107. 

  1108.         default:

  1109.             break;

  1110.         }

  1111. 

  1112.         char tmpBuf[STR_MAX];

  1113.         carla_zeroChars(tmpBuf, STR_MAX);

  1114. 

  1115.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1116. 

  1117.         std::sprintf(tmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1118.         if (! fUiServer.writeMessage(tmpBuf))

  1119.             return;

  1120.         std::sprintf(tmpBuf, "%u\n", pluginId);

  1121.         if (! fUiServer.writeMessage(tmpBuf))

  1122.             return;

  1123.         std::sprintf(tmpBuf, "%i\n", value1);

  1124.         if (! fUiServer.writeMessage(tmpBuf))

  1125.             return;

  1126.         std::sprintf(tmpBuf, "%i\n", value2);

  1127.         if (! fUiServer.writeMessage(tmpBuf))

  1128.             return;

  1129.         {

  1130.             const ScopedLocale csl;

  1131.             std::sprintf(tmpBuf, "%f\n", value3);

  1132.         }

  1133.         if (! fUiServer.writeMessage(tmpBuf))

  1134.             return;

  1135.         if (! fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : ""))

  1136.             return;

  1137. 

  1138.         fUiServer.flushMessages();

  1139.     }

  1140. 

  1141.     const char* uiFileCallback(FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  1142.     {

  1143.         switch (action)

  1144.         {

  1145.         case FILE_CALLBACK_DEBUG:

  1146.             return nullptr;

  1147. 

  1148.         case FILE_CALLBACK_OPEN:

  1149.             return pHost->ui_open_file(pHost->handle, isDir, title, filter);

  1150. 

  1151.         case FILE_CALLBACK_SAVE:

  1152.             return pHost->ui_save_file(pHost->handle, isDir, title, filter);

  1153.         }

  1154. 

  1155.         return nullptr;

  1156.     }

  1157. 

  1158.     void uiServerInfo()

  1159.     {

  1160.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1161.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1162. 

  1163.         char tmpBuf[STR_MAX];

  1164.         carla_zeroChars(tmpBuf, STR_MAX);

  1165. 

  1166.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1167. 

  1168. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1169.         if (! fUiServer.writeAndFixMessage("osc-urls"))

  1170.             return;

  1171.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP()))

  1172.             return;

  1173.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP()))

  1174.             return;

  1175. #endif

  1176. 

  1177.         if (! fUiServer.writeAndFixMessage("max-plugin-number"))

  1178.             return;

  1179.         std::sprintf(tmpBuf, "%i\n", pData->maxPluginNumber);

  1180.         if (! fUiServer.writeMessage(tmpBuf))

  1181.             return;

  1182. 

  1183.         if (! fUiServer.writeAndFixMessage("buffer-size"))

  1184.             return;

  1185.         std::sprintf(tmpBuf, "%i\n", pData->bufferSize);

  1186.         if (! fUiServer.writeMessage(tmpBuf))

  1187.             return;

  1188. 

  1189.         if (! fUiServer.writeAndFixMessage("sample-rate"))

  1190.             return;

  1191.         {

  1192.             const ScopedLocale csl;

  1193.             std::sprintf(tmpBuf, "%f\n", pData->sampleRate);

  1194.         }

  1195.         if (! fUiServer.writeMessage(tmpBuf))

  1196.             return;

  1197. 

  1198.         fUiServer.flushMessages();

  1199.     }

  1200. 

  1201.     void uiServerOptions()

  1202.     {

  1203.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1204.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1205. 

  1206.         char tmpBuf[STR_MAX];

  1207.         carla_zeroChars(tmpBuf, STR_MAX);

  1208. 

  1209.         const EngineOptions& options(pData->options);

  1210.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1211. 

  1212.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1213.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1214. 

  1215.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1216.         if (! fUiServer.writeMessage(tmpBuf))

  1217.             return;

  1218.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1219.             return;

  1220.         std::sprintf(tmpBuf, "%i\n", options.processMode);

  1221.         if (! fUiServer.writeMessage(tmpBuf))

  1222.             return;

  1223.         fUiServer.flushMessages();

  1224. 

  1225.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1226.         if (! fUiServer.writeMessage(tmpBuf))

  1227.             return;

  1228.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1229.             return;

  1230.         std::sprintf(tmpBuf, "%i\n", options.transportMode);

  1231.         if (! fUiServer.writeMessage(tmpBuf))

  1232.             return;

  1233.         fUiServer.flushMessages();

  1234. 

  1235.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1236.         if (! fUiServer.writeMessage(tmpBuf))

  1237.             return;

  1238.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1239.             return;

  1240.         if (! fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n"))

  1241.             return;

  1242.         fUiServer.flushMessages();

  1243. 

  1244.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1245.         if (! fUiServer.writeMessage(tmpBuf))

  1246.             return;

  1247.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1248.             return;

  1249.         if (! fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n"))

  1250.             return;

  1251.         fUiServer.flushMessages();

  1252. 

  1253.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1254.         if (! fUiServer.writeMessage(tmpBuf))

  1255.             return;

  1256.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1257.             return;

  1258.         if (! fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n"))

  1259.             return;

  1260.         fUiServer.flushMessages();

  1261. 

  1262.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1263.         if (! fUiServer.writeMessage(tmpBuf))

  1264.             return;

  1265.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1266.             return;

  1267.         if (! fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n"))

  1268.             return;

  1269.         fUiServer.flushMessages();

  1270. 

  1271.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1272.         if (! fUiServer.writeMessage(tmpBuf))

  1273.             return;

  1274.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1275.             return;

  1276.         std::sprintf(tmpBuf, "%i\n", options.maxParameters);

  1277.         if (! fUiServer.writeMessage(tmpBuf))

  1278.             return;

  1279.         fUiServer.flushMessages();

  1280. 

  1281.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1282.         if (! fUiServer.writeMessage(tmpBuf))

  1283.             return;

  1284.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1285.             return;

  1286.         std::sprintf(tmpBuf, "%i\n", options.uiBridgesTimeout);

  1287.         if (! fUiServer.writeMessage(tmpBuf))

  1288.             return;

  1289.         fUiServer.flushMessages();

  1290. 

  1291.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1292.         if (! fUiServer.writeMessage(tmpBuf))

  1293.             return;

  1294.         if (! fUiServer.writeMessage("true\n", 5))

  1295.             return;

  1296.         std::sprintf(tmpBuf, "%s\n", options.binaryDir);

  1297.         if (! fUiServer.writeMessage(tmpBuf))

  1298.             return;

  1299.         fUiServer.flushMessages();

  1300. 

  1301.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1302.         if (! fUiServer.writeMessage(tmpBuf))

  1303.             return;

  1304.         if (! fUiServer.writeMessage("true\n", 5))

  1305.             return;

  1306.         std::sprintf(tmpBuf, "%s\n", options.resourceDir);

  1307.         if (! fUiServer.writeMessage(tmpBuf))

  1308.             return;

  1309.         fUiServer.flushMessages();

  1310.     }

  1311. 

  1312.     // -------------------------------------------------------------------

  1313.     // Plugin parameter calls

  1314. 

  1315.     uint32_t getParameterCount() const

  1316.     {

  1317.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1318.             return plugin->getParameterCount();

  1319. 

  1320.         return 0;

  1321.     }

  1322. 

  1323.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1324.     {

  1325.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1326.         {

  1327.             if (index < plugin->getParameterCount())

  1328.             {

  1329.                 static NativeParameter param;

  1330.                 static char strBufName[STR_MAX+1];

  1331.                 static char strBufUnit[STR_MAX+1];

  1332. 

  1333.                 const ParameterData& paramData(plugin->getParameterData(index));

  1334.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1335. 

  1336.                 plugin->getParameterName(index, strBufName);

  1337.                 plugin->getParameterUnit(index, strBufUnit);

  1338. 

  1339.                 uint hints = 0x0;

  1340. 

  1341.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1342.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1343.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1344.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1345.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1346.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1347.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1348.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1349.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1350.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1351.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1352.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1353. 

  1354.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1355.                 {

  1356.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1357.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1358.                     if (paramData.type == PARAMETER_OUTPUT)

  1359.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1360.                 }

  1361. 

  1362.                 param.hints = static_cast<NativeParameterHints>(hints);

  1363.                 param.name  = strBufName;

  1364.                 param.unit  = strBufUnit;

  1365.                 param.ranges.def = paramRanges.def;

  1366.                 param.ranges.min = paramRanges.min;

  1367.                 param.ranges.max = paramRanges.max;

  1368.                 param.ranges.step = paramRanges.step;

  1369.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1370.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1371.                 param.scalePointCount = 0; // TODO

  1372.                 param.scalePoints = nullptr;

  1373. 

  1374.                 return &param;

  1375.             }

  1376.         }

  1377. 

  1378.         return nullptr;

  1379.     }

  1380. 

  1381.     float getParameterValue(const uint32_t index) const

  1382.     {

  1383.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1384.         {

  1385.             if (index < plugin->getParameterCount())

  1386.                 return plugin->getParameterValue(index);

  1387.         }

  1388. 

  1389.         return 0.0f;

  1390.     }

  1391. 

  1392.     // -------------------------------------------------------------------

  1393.     // Plugin midi-program calls

  1394. 

  1395.     uint32_t getMidiProgramCount() const

  1396.     {

  1397.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1398.             return plugin->getMidiProgramCount();

  1399. 

  1400.         return 0;

  1401.     }

  1402. 

  1403.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1404.     {

  1405.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1406.         {

  1407.             if (index < plugin->getMidiProgramCount())

  1408.             {

  1409.                 static NativeMidiProgram midiProg;

  1410. 

  1411.                 {

  1412.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1413. 

  1414.                     midiProg.bank    = midiProgData.bank;

  1415.                     midiProg.program = midiProgData.program;

  1416.                     midiProg.name    = midiProgData.name;

  1417.                 }

  1418. 

  1419.                 return &midiProg;

  1420.             }

  1421.         }

  1422. 

  1423.         return nullptr;

  1424.     }

  1425. 

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

  1427.     // Plugin state calls

  1428. 

  1429.     void setParameterValue(const uint32_t index, const float value)

  1430.     {

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

  1432.         {

  1433.             if (index < plugin->getParameterCount())

  1434.                 plugin->setParameterValue(index, value, false, false, false);

  1435.         }

  1436.     }

  1437. 

  1438.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1439.     {

  1440.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1441.             plugin->setMidiProgramById(bank, program, false, false, false);

  1442.     }

  1443. 

  1444.     // -------------------------------------------------------------------

  1445.     // Plugin process calls

  1446. 

  1447.     void activate()

  1448.     {

  1449. #if 0

  1450.         for (uint i=0; i < pData->curPluginCount; ++i)

  1451.         {

  1452.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1453. 

  1454.             if (plugin == nullptr || ! plugin->isEnabled())

  1455.                 continue;

  1456. 

  1457.             plugin->setActive(true, true, false);

  1458.         }

  1459. #endif

  1460.         fIsActive = true;

  1461.     }

  1462. 

  1463.     void deactivate()

  1464.     {

  1465.         fIsActive = false;

  1466. #if 0

  1467.         for (uint i=0; i < pData->curPluginCount; ++i)

  1468.         {

  1469.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1470. 

  1471.             if (plugin == nullptr || ! plugin->isEnabled())

  1472.                 continue;

  1473. 

  1474.             plugin->setActive(false, true, false);

  1475.         }

  1476. #endif

  1477. 

  1478.         // just in case

  1479.         //runPendingRtEvents();

  1480.     }

  1481. 

  1482.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1483.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1484.     {

  1485.         const PendingRtEventsRunner prt(this, frames);

  1486. 

  1487.         // ---------------------------------------------------------------

  1488.         // Time Info

  1489. 

  1490.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1491. 

  1492.         pData->timeInfo.playing   = timeInfo->playing;

  1493.         pData->timeInfo.frame     = timeInfo->frame;

  1494.         pData->timeInfo.usecs     = timeInfo->usecs;

  1495.         pData->timeInfo.bbt.valid = timeInfo->bbt.valid;

  1496. 

  1497.         if (timeInfo->bbt.valid)

  1498.         {

  1499.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1500.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1501.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1502.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1503. 

  1504.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1505.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1506. 

  1507.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1508.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1509.         }

  1510. 

  1511.         // ---------------------------------------------------------------

  1512.         // Do nothing if no plugins and rack mode

  1513. 

  1514.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1515.         {

  1516.             if (outBuffer[0] != inBuffer[0])

  1517.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1518. 

  1519.             if (outBuffer[1] != inBuffer[1])

  1520.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1521. 

  1522.             for (uint32_t i=0; i < midiEventCount; ++i)

  1523.             {

  1524.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1525.                     break;

  1526.             }

  1527.             return;

  1528.         }

  1529. 

  1530.         // ---------------------------------------------------------------

  1531.         // initialize events

  1532. 

  1533.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1534.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1535. 

  1536.         // ---------------------------------------------------------------

  1537.         // events input (before processing)

  1538. 

  1539.         {

  1540.             uint32_t engineEventIndex = 0;

  1541. 

  1542.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1543.             {

  1544.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1545.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1546. 

  1547.                 engineEvent.time = midiEvent.time;

  1548.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1549. 

  1550.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1551.                     break;

  1552.             }

  1553.         }

  1554. 

  1555.         if (kIsPatchbay)

  1556.         {

  1557.             // -----------------------------------------------------------

  1558.             // process

  1559. 

  1560.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1561.         }

  1562.         else

  1563.         {

  1564.             // -----------------------------------------------------------

  1565.             // create audio buffers

  1566. 

  1567.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1568.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1569. 

  1570.             // -----------------------------------------------------------

  1571.             // process

  1572. 

  1573.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1574.         }

  1575. 

  1576.         // ---------------------------------------------------------------

  1577.         // events output (after processing)

  1578. 

  1579.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1580. 

  1581.         if (kHasMidiOut)

  1582.         {

  1583.             NativeMidiEvent midiEvent;

  1584. 

  1585.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1586.             {

  1587.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1588. 

  1589.                 if (engineEvent.type == kEngineEventTypeNull)

  1590.                     break;

  1591. 

  1592.                 carla_zeroStruct(midiEvent);

  1593.                 midiEvent.time = engineEvent.time;

  1594. 

  1595.                 /**/ if (engineEvent.type == kEngineEventTypeControl)

  1596.                 {

  1597.                     midiEvent.port = 0;

  1598.                     midiEvent.size = engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.data);

  1599.                 }

  1600.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1601.                 {

  1602.                     if (engineEvent.midi.size > 4)

  1603.                         continue;

  1604. 

  1605.                     midiEvent.port = engineEvent.midi.port;

  1606.                     midiEvent.size = engineEvent.midi.size;

  1607. 

  1608.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] | (engineEvent.channel & MIDI_CHANNEL_BIT));

  1609. 

  1610.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1611.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1612.                 }

  1613.                 else

  1614.                 {

  1615.                     continue;

  1616.                 }

  1617. 

  1618.                 if (midiEvent.size > 0)

  1619.                     pHost->write_midi_event(pHost->handle, &midiEvent);

  1620.             }

  1621.         }

  1622.     }

  1623. 

  1624.     // -------------------------------------------------------------------

  1625.     // Plugin UI calls

  1626. 

  1627.     void uiShow(const bool show)

  1628.     {

  1629.         if (show)

  1630.         {

  1631.             if (fUiServer.isPipeRunning())

  1632.             {

  1633.                 fUiServer.writeFocusMessage();

  1634.                 return;

  1635.             }

  1636. 

  1637.             CarlaString path(pHost->resourceDir);

  1638. 

  1639.             if (kIsPatchbay)

  1640.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1641.             else

  1642.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1643. #ifdef CARLA_OS_WIN

  1644.             path += ".exe";

  1645. #endif

  1646.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1647. 

  1648.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1649. 

  1650.             if (! fUiServer.startPipeServer(false))

  1651.             {

  1652.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1653.                 return;

  1654.             }

  1655. 

  1656.             uiServerInfo();

  1657.             uiServerOptions();

  1658.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0,

  1659.                              pData->options.processMode, pData->options.transportMode,

  1660.                              pData->sampleRate, "Plugin");

  1661. 

  1662.             fUiServer.writeShowMessage();

  1663. 

  1664.             for (uint i=0; i < pData->curPluginCount; ++i)

  1665.             {

  1666.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1667. 

  1668.                 if (plugin != nullptr && plugin->isEnabled())

  1669.                 {

  1670.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1671.                 }

  1672.             }

  1673. 

  1674.             if (kIsPatchbay)

  1675.                 patchbayRefresh(false);

  1676. 

  1677.             if (fWaitForReadyMsg)

  1678.             {

  1679.                 carla_stdout("Using Carla plugin embedded, waiting for it to be ready...");

  1680. 

  1681.                 for (; fUiServer.isPipeRunning() && ! fUiServer.isReady();)

  1682.                 {

  1683.                     carla_msleep(25);

  1684.                     fUiServer.idlePipe();

  1685.                 }

  1686. 

  1687.                 carla_stdout("Done!");

  1688.             }

  1689.         }

  1690.         else

  1691.         {

  1692.             fUiServer.stopPipeServer(2000);

  1693. 

  1694.             // hide all custom uis

  1695.             for (uint i=0; i < pData->curPluginCount; ++i)

  1696.             {

  1697.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1698. 

  1699.                 if (plugin != nullptr && plugin->isEnabled())

  1700.                 {

  1701.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1702.                     {

  1703.                         try {

  1704.                             plugin->showCustomUI(false);

  1705.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1706.                     }

  1707.                 }

  1708.             }

  1709.         }

  1710.     }

  1711. 

  1712.     void uiIdle()

  1713.     {

  1714.         for (uint i=0; i < pData->curPluginCount; ++i)

  1715.         {

  1716.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1717. 

  1718.             if (plugin != nullptr && plugin->isEnabled())

  1719.             {

  1720.                 const uint hints(plugin->getHints());

  1721. 

  1722.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1723.                 {

  1724.                     try {

  1725.                         plugin->uiIdle();

  1726.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1727.                 }

  1728.             }

  1729.         }

  1730. 

  1731.         idlePipe();

  1732. 

  1733.         switch (fUiServer.getAndResetUiState())

  1734.         {

  1735.         case CarlaExternalUI::UiNone:

  1736.         case CarlaExternalUI::UiShow:

  1737.             break;

  1738.         case CarlaExternalUI::UiCrashed:

  1739.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1740.             break;

  1741.         case CarlaExternalUI::UiHide:

  1742.             pHost->ui_closed(pHost->handle);

  1743.             fUiServer.stopPipeServer(1000);

  1744.             break;

  1745.         }

  1746.     }

  1747. 

  1748.     void idlePipe()

  1749.     {

  1750.         if (! fUiServer.isPipeRunning())

  1751.             return;

  1752. 

  1753.         fUiServer.idlePipe();

  1754. 

  1755.         char tmpBuf[STR_MAX];

  1756.         carla_zeroChars(tmpBuf, STR_MAX);

  1757. 

  1758.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1759.         const ScopedLocale csl;

  1760. 

  1761. #ifndef CARLA_OS_WIN

  1762.         const EngineTimeInfo& timeInfo(pData->timeInfo);

  1763. 

  1764.         // send transport

  1765.         if (! fUiServer.writeAndFixMessage("transport"))

  1766.             return;

  1767.         if (! fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n"))

  1768.             return;

  1769. 

  1770.         if (timeInfo.bbt.valid)

  1771.         {

  1772.             std::sprintf(tmpBuf, P_UINT64 ":%i:%i:%i\n",

  1773.                          timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, static_cast<int>(timeInfo.bbt.tick + 0.5));

  1774.             if (! fUiServer.writeMessage(tmpBuf))

  1775.                 return;

  1776. 

  1777.             std::sprintf(tmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1778.             if (! fUiServer.writeMessage(tmpBuf))

  1779.                 return;

  1780.         }

  1781.         else

  1782.         {

  1783.             std::sprintf(tmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1784.             if (! fUiServer.writeMessage(tmpBuf))

  1785.                 return;

  1786. 

  1787.             if (! fUiServer.writeMessage("0.0\n"))

  1788.                 return;

  1789.         }

  1790. 

  1791.         fUiServer.flushMessages();

  1792. #endif

  1793. 

  1794.         // send peaks and param outputs for all plugins

  1795.         for (uint i=0; i < pData->curPluginCount; ++i)

  1796.         {

  1797.             const EnginePluginData& plugData(pData->plugins[i]);

  1798.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1799. 

  1800.             std::sprintf(tmpBuf, "PEAKS_%i\n", i);

  1801.             if (! fUiServer.writeMessage(tmpBuf))

  1802.                 return;

  1803. 

  1804.             std::sprintf(tmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1805.             if (! fUiServer.writeMessage(tmpBuf))

  1806.                 return;

  1807. 

  1808.             fUiServer.flushMessages();

  1809. 

  1810.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1811.             {

  1812.                 if (! plugin->isParameterOutput(j))

  1813.                     continue;

  1814. 

  1815.                 std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1816.                 if (! fUiServer.writeMessage(tmpBuf))

  1817.                     return;

  1818. 

  1819.                 std::sprintf(tmpBuf, "%f\n", plugin->getParameterValue(j));

  1820.                 if (! fUiServer.writeMessage(tmpBuf))

  1821.                     return;

  1822. 

  1823.                 fUiServer.flushMessages();

  1824.             }

  1825.         }

  1826.     }

  1827. 

  1828.     // -------------------------------------------------------------------

  1829.     // Plugin state calls

  1830. 

  1831.     char* getState() const

  1832.     {

  1833.         MemoryOutputStream out;

  1834.         saveProjectInternal(out);

  1835.         return strdup(out.toString().toRawUTF8());

  1836.     }

  1837. 

  1838.     void setState(const char* const data)

  1839.     {

  1840.         // remove all plugins from UI side

  1841.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1842.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1843. 

  1844.         // remove all plugins from backend, no lock

  1845.         fIsRunning = false;

  1846.         removeAllPlugins();

  1847.         fIsRunning = true;

  1848. 

  1849.         // stopped during removeAllPlugins()

  1850.         if (! pData->thread.isThreadRunning())

  1851.             pData->thread.startThread();

  1852. 

  1853.         fOptionsForced = true;

  1854.         const String state(data);

  1855.         XmlDocument xml(state);

  1856.         loadProjectInternal(xml);

  1857.     }

  1858. 

  1859.     // -------------------------------------------------------------------

  1860. 

  1861. public:

  1862.     #define handlePtr ((CarlaEngineNative*)handle)

  1863. 

  1864.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1865.     {

  1866.         return new CarlaEngineNative(host, false, true);

  1867.     }

  1868. 

  1869.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  1870.     {

  1871.         return new CarlaEngineNative(host, false, false);

  1872.     }

  1873. 

  1874.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1875.     {

  1876.         return new CarlaEngineNative(host, true, true);

  1877.     }

  1878. 

  1879.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1880.     {

  1881.         return new CarlaEngineNative(host, true, true, 3, 2);

  1882.     }

  1883. 

  1884.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1885.     {

  1886.         return new CarlaEngineNative(host, true, true, 16, 16);

  1887.     }

  1888. 

  1889.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1890.     {

  1891.         return new CarlaEngineNative(host, true, true, 32, 32);

  1892.     }

  1893. 

  1894.     static void _cleanup(NativePluginHandle handle)

  1895.     {

  1896.         delete handlePtr;

  1897.     }

  1898. 

  1899.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1900.     {

  1901.         return handlePtr->getParameterCount();

  1902.     }

  1903. 

  1904.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1905.     {

  1906.         return handlePtr->getParameterInfo(index);

  1907.     }

  1908. 

  1909.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1910.     {

  1911.         return handlePtr->getParameterValue(index);

  1912.     }

  1913. 

  1914.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1915.     {

  1916.         return handlePtr->getMidiProgramCount();

  1917.     }

  1918. 

  1919.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1920.     {

  1921.         return handlePtr->getMidiProgramInfo(index);

  1922.     }

  1923. 

  1924.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1925.     {

  1926.         handlePtr->setParameterValue(index, value);

  1927.     }

  1928. 

  1929.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1930.     {

  1931.         handlePtr->setMidiProgram(channel, bank, program);

  1932.     }

  1933. 

  1934.     static void _ui_show(NativePluginHandle handle, bool show)

  1935.     {

  1936.         handlePtr->uiShow(show);

  1937.     }

  1938. 

  1939.     static void _ui_idle(NativePluginHandle handle)

  1940.     {

  1941.         handlePtr->uiIdle();

  1942.     }

  1943. 

  1944.     static void _activate(NativePluginHandle handle)

  1945.     {

  1946.         handlePtr->activate();

  1947.     }

  1948. 

  1949.     static void _deactivate(NativePluginHandle handle)

  1950.     {

  1951.         handlePtr->deactivate();

  1952.     }

  1953. 

  1954.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1955.     {

  1956.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1957.     }

  1958. 

  1959.     static char* _get_state(NativePluginHandle handle)

  1960.     {

  1961.         return handlePtr->getState();

  1962.     }

  1963. 

  1964.     static void _set_state(NativePluginHandle handle, const char* data)

  1965.     {

  1966.         handlePtr->setState(data);

  1967.     }

  1968. 

  1969.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1970.     {

  1971.         switch(opcode)

  1972.         {

  1973.         case NATIVE_PLUGIN_OPCODE_NULL:

  1974.             if (static_cast<uint32_t>(index) == 0xDEADF00D && static_cast<uintptr_t>(value) == 0xC0C0B00B)

  1975.             {

  1976.                 handlePtr->fWaitForReadyMsg = true;

  1977.                 return handlePtr->fUiServer.getRemoteWinId();

  1978.             }

  1979.             return 0;

  1980.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1981.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1982.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1983.             return 0;

  1984.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1985.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1986.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1987.             return 0;

  1988.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1989.             handlePtr->offlineModeChanged(value != 0);

  1990.             return 0;

  1991.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1992.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1993.             return 0;

  1994.         }

  1995. 

  1996.         return 0;

  1997. 

  1998.         // unused

  1999.         (void)index;

  2000.         (void)ptr;

  2001.     }

  2002. 

  2003.     // -------------------------------------------------------------------

  2004. 

  2005.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  2006.     {

  2007.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  2008.     }

  2009. 

  2010.     static const char* _ui_file_callback(void* handle, FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  2011.     {

  2012.         return handlePtr->uiFileCallback(action, isDir, title, filter);

  2013.     }

  2014. 

  2015.     // -------------------------------------------------------------------

  2016. 

  2017.     #undef handlePtr

  2018. 

  2019. private:

  2020.     const NativeHostDescriptor* const pHost;

  2021. 

  2022.     const bool kIsPatchbay; // rack if false

  2023.     const bool kHasMidiOut;

  2024.     bool fIsActive, fIsRunning;

  2025.     CarlaEngineNativeUI fUiServer;

  2026. 

  2027.     bool fOptionsForced;

  2028.     bool fWaitForReadyMsg;

  2029. 

  2030.     CarlaPlugin* _getFirstPlugin() const noexcept

  2031.     {

  2032.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  2033.             return nullptr;

  2034. 

  2035.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  2036. 

  2037.         if (plugin == nullptr || ! plugin->isEnabled())

  2038.             return nullptr;

  2039. 

  2040.         return pData->plugins[0].plugin;

  2041.     }

  2042. 

  2043.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  2044. };

  2045. 

  2046. // -----------------------------------------------------------------------

  2047. 

  2048. static const NativePluginDescriptor carlaRackDesc = {

  2049.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2050.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2051.                                                   |NATIVE_PLUGIN_HAS_UI

  2052.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2053.                                                   |NATIVE_PLUGIN_USES_STATE

  2054.                                                   |NATIVE_PLUGIN_USES_TIME),

  2055.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2056.     /* audioIns  */ 2,

  2057.     /* audioOuts */ 2,

  2058.     /* midiIns   */ 1,

  2059.     /* midiOuts  */ 1,

  2060.     /* paramIns  */ 0,

  2061.     /* paramOuts */ 0,

  2062.     /* name      */ "Carla-Rack",

  2063.     /* label     */ "carlarack",

  2064.     /* maker     */ "falkTX",

  2065.     /* copyright */ "GNU GPL v2+",

  2066.     CarlaEngineNative::_instantiateRack,

  2067.     CarlaEngineNative::_cleanup,

  2068.     CarlaEngineNative::_get_parameter_count,

  2069.     CarlaEngineNative::_get_parameter_info,

  2070.     CarlaEngineNative::_get_parameter_value,

  2071.     CarlaEngineNative::_get_midi_program_count,

  2072.     CarlaEngineNative::_get_midi_program_info,

  2073.     CarlaEngineNative::_set_parameter_value,

  2074.     CarlaEngineNative::_set_midi_program,

  2075.     /* _set_custom_data        */ nullptr,

  2076.     CarlaEngineNative::_ui_show,

  2077.     CarlaEngineNative::_ui_idle,

  2078.     /* _ui_set_parameter_value */ nullptr,

  2079.     /* _ui_set_midi_program    */ nullptr,

  2080.     /* _ui_set_custom_data     */ nullptr,

  2081.     CarlaEngineNative::_activate,

  2082.     CarlaEngineNative::_deactivate,

  2083.     CarlaEngineNative::_process,

  2084.     CarlaEngineNative::_get_state,

  2085.     CarlaEngineNative::_set_state,

  2086.     CarlaEngineNative::_dispatcher

  2087. };

  2088. 

  2089. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  2090.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2091.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2092.                                                   |NATIVE_PLUGIN_HAS_UI

  2093.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2094.                                                   |NATIVE_PLUGIN_USES_STATE

  2095.                                                   |NATIVE_PLUGIN_USES_TIME),

  2096.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2097.     /* audioIns  */ 2,

  2098.     /* audioOuts */ 2,

  2099.     /* midiIns   */ 1,

  2100.     /* midiOuts  */ 0,

  2101.     /* paramIns  */ 0,

  2102.     /* paramOuts */ 0,

  2103.     /* name      */ "Carla-Rack (no midi out)",

  2104.     /* label     */ "carlarack-nomidiout",

  2105.     /* maker     */ "falkTX",

  2106.     /* copyright */ "GNU GPL v2+",

  2107.     CarlaEngineNative::_instantiateRackNoMidiOut,

  2108.     CarlaEngineNative::_cleanup,

  2109.     CarlaEngineNative::_get_parameter_count,

  2110.     CarlaEngineNative::_get_parameter_info,

  2111.     CarlaEngineNative::_get_parameter_value,

  2112.     CarlaEngineNative::_get_midi_program_count,

  2113.     CarlaEngineNative::_get_midi_program_info,

  2114.     CarlaEngineNative::_set_parameter_value,

  2115.     CarlaEngineNative::_set_midi_program,

  2116.     /* _set_custom_data        */ nullptr,

  2117.     CarlaEngineNative::_ui_show,

  2118.     CarlaEngineNative::_ui_idle,

  2119.     /* _ui_set_parameter_value */ nullptr,

  2120.     /* _ui_set_midi_program    */ nullptr,

  2121.     /* _ui_set_custom_data     */ nullptr,

  2122.     CarlaEngineNative::_activate,

  2123.     CarlaEngineNative::_deactivate,

  2124.     CarlaEngineNative::_process,

  2125.     CarlaEngineNative::_get_state,

  2126.     CarlaEngineNative::_set_state,

  2127.     CarlaEngineNative::_dispatcher

  2128. };

  2129. 

  2130. static const NativePluginDescriptor carlaPatchbayDesc = {

  2131.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2132.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2133.                                                   |NATIVE_PLUGIN_HAS_UI

  2134.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2135.                                                   |NATIVE_PLUGIN_USES_STATE

  2136.                                                   |NATIVE_PLUGIN_USES_TIME),

  2137.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2138.     /* audioIns  */ 2,

  2139.     /* audioOuts */ 2,

  2140.     /* midiIns   */ 1,

  2141.     /* midiOuts  */ 1,

  2142.     /* paramIns  */ 0,

  2143.     /* paramOuts */ 0,

  2144.     /* name      */ "Carla-Patchbay",

  2145.     /* label     */ "carlapatchbay",

  2146.     /* maker     */ "falkTX",

  2147.     /* copyright */ "GNU GPL v2+",

  2148.     CarlaEngineNative::_instantiatePatchbay,

  2149.     CarlaEngineNative::_cleanup,

  2150.     CarlaEngineNative::_get_parameter_count,

  2151.     CarlaEngineNative::_get_parameter_info,

  2152.     CarlaEngineNative::_get_parameter_value,

  2153.     CarlaEngineNative::_get_midi_program_count,

  2154.     CarlaEngineNative::_get_midi_program_info,

  2155.     CarlaEngineNative::_set_parameter_value,

  2156.     CarlaEngineNative::_set_midi_program,

  2157.     /* _set_custom_data        */ nullptr,

  2158.     CarlaEngineNative::_ui_show,

  2159.     CarlaEngineNative::_ui_idle,

  2160.     /* _ui_set_parameter_value */ nullptr,

  2161.     /* _ui_set_midi_program    */ nullptr,

  2162.     /* _ui_set_custom_data     */ nullptr,

  2163.     CarlaEngineNative::_activate,

  2164.     CarlaEngineNative::_deactivate,

  2165.     CarlaEngineNative::_process,

  2166.     CarlaEngineNative::_get_state,

  2167.     CarlaEngineNative::_set_state,

  2168.     CarlaEngineNative::_dispatcher

  2169. };

  2170. 

  2171. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  2172.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2173.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2174.                                                   |NATIVE_PLUGIN_HAS_UI

  2175.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2176.                                                   |NATIVE_PLUGIN_USES_STATE

  2177.                                                   |NATIVE_PLUGIN_USES_TIME),

  2178.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2179.     /* audioIns  */ 3,

  2180.     /* audioOuts */ 2,

  2181.     /* midiIns   */ 1,

  2182.     /* midiOuts  */ 1,

  2183.     /* paramIns  */ 0,

  2184.     /* paramOuts */ 0,

  2185.     /* name      */ "Carla-Patchbay (sidechain)",

  2186.     /* label     */ "carlapatchbay3s",

  2187.     /* maker     */ "falkTX",

  2188.     /* copyright */ "GNU GPL v2+",

  2189.     CarlaEngineNative::_instantiatePatchbay3s,

  2190.     CarlaEngineNative::_cleanup,

  2191.     CarlaEngineNative::_get_parameter_count,

  2192.     CarlaEngineNative::_get_parameter_info,

  2193.     CarlaEngineNative::_get_parameter_value,

  2194.     CarlaEngineNative::_get_midi_program_count,

  2195.     CarlaEngineNative::_get_midi_program_info,

  2196.     CarlaEngineNative::_set_parameter_value,

  2197.     CarlaEngineNative::_set_midi_program,

  2198.     /* _set_custom_data        */ nullptr,

  2199.     CarlaEngineNative::_ui_show,

  2200.     CarlaEngineNative::_ui_idle,

  2201.     /* _ui_set_parameter_value */ nullptr,

  2202.     /* _ui_set_midi_program    */ nullptr,

  2203.     /* _ui_set_custom_data     */ nullptr,

  2204.     CarlaEngineNative::_activate,

  2205.     CarlaEngineNative::_deactivate,

  2206.     CarlaEngineNative::_process,

  2207.     CarlaEngineNative::_get_state,

  2208.     CarlaEngineNative::_set_state,

  2209.     CarlaEngineNative::_dispatcher

  2210. };

  2211. 

  2212. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2213.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2214.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2215.                                                   |NATIVE_PLUGIN_HAS_UI

  2216.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2217.                                                   |NATIVE_PLUGIN_USES_STATE

  2218.                                                   |NATIVE_PLUGIN_USES_TIME),

  2219.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2220.     /* audioIns  */ 16,

  2221.     /* audioOuts */ 16,

  2222.     /* midiIns   */ 1,

  2223.     /* midiOuts  */ 1,

  2224.     /* paramIns  */ 0,

  2225.     /* paramOuts */ 0,

  2226.     /* name      */ "Carla-Patchbay (16chan)",

  2227.     /* label     */ "carlapatchbay16",

  2228.     /* maker     */ "falkTX",

  2229.     /* copyright */ "GNU GPL v2+",

  2230.     CarlaEngineNative::_instantiatePatchbay16,

  2231.     CarlaEngineNative::_cleanup,

  2232.     CarlaEngineNative::_get_parameter_count,

  2233.     CarlaEngineNative::_get_parameter_info,

  2234.     CarlaEngineNative::_get_parameter_value,

  2235.     CarlaEngineNative::_get_midi_program_count,

  2236.     CarlaEngineNative::_get_midi_program_info,

  2237.     CarlaEngineNative::_set_parameter_value,

  2238.     CarlaEngineNative::_set_midi_program,

  2239.     /* _set_custom_data        */ nullptr,

  2240.     CarlaEngineNative::_ui_show,

  2241.     CarlaEngineNative::_ui_idle,

  2242.     /* _ui_set_parameter_value */ nullptr,

  2243.     /* _ui_set_midi_program    */ nullptr,

  2244.     /* _ui_set_custom_data     */ nullptr,

  2245.     CarlaEngineNative::_activate,

  2246.     CarlaEngineNative::_deactivate,

  2247.     CarlaEngineNative::_process,

  2248.     CarlaEngineNative::_get_state,

  2249.     CarlaEngineNative::_set_state,

  2250.     CarlaEngineNative::_dispatcher

  2251. };

  2252. 

  2253. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2254.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2255.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2256.                                                   |NATIVE_PLUGIN_HAS_UI

  2257.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2258.                                                   |NATIVE_PLUGIN_USES_STATE

  2259.                                                   |NATIVE_PLUGIN_USES_TIME),

  2260.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2261.     /* audioIns  */ 32,

  2262.     /* audioOuts */ 32,

  2263.     /* midiIns   */ 1,

  2264.     /* midiOuts  */ 1,

  2265.     /* paramIns  */ 0,

  2266.     /* paramOuts */ 0,

  2267.     /* name      */ "Carla-Patchbay (32chan)",

  2268.     /* label     */ "carlapatchbay32",

  2269.     /* maker     */ "falkTX",

  2270.     /* copyright */ "GNU GPL v2+",

  2271.     CarlaEngineNative::_instantiatePatchbay32,

  2272.     CarlaEngineNative::_cleanup,

  2273.     CarlaEngineNative::_get_parameter_count,

  2274.     CarlaEngineNative::_get_parameter_info,

  2275.     CarlaEngineNative::_get_parameter_value,

  2276.     CarlaEngineNative::_get_midi_program_count,

  2277.     CarlaEngineNative::_get_midi_program_info,

  2278.     CarlaEngineNative::_set_parameter_value,

  2279.     CarlaEngineNative::_set_midi_program,

  2280.     /* _set_custom_data        */ nullptr,

  2281.     CarlaEngineNative::_ui_show,

  2282.     CarlaEngineNative::_ui_idle,

  2283.     /* _ui_set_parameter_value */ nullptr,

  2284.     /* _ui_set_midi_program    */ nullptr,

  2285.     /* _ui_set_custom_data     */ nullptr,

  2286.     CarlaEngineNative::_activate,

  2287.     CarlaEngineNative::_deactivate,

  2288.     CarlaEngineNative::_process,

  2289.     CarlaEngineNative::_get_state,

  2290.     CarlaEngineNative::_set_state,

  2291.     CarlaEngineNative::_dispatcher

  2292. };

  2293. 

  2294. CARLA_BACKEND_END_NAMESPACE

  2295. 

  2296. // -----------------------------------------------------------------------

  2297. 

  2298. CARLA_EXPORT

  2299. void carla_register_native_plugin_carla();

  2300. 

  2301. void carla_register_native_plugin_carla()

  2302. {

  2303.     CARLA_BACKEND_USE_NAMESPACE;

  2304.     carla_register_native_plugin(&carlaRackDesc);

  2305.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2306.     carla_register_native_plugin(&carlaPatchbayDesc);

  2307.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2308.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2309.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2310. }

  2311. 

  2312. // -----------------------------------------------------------------------

  2313. 

  2314. CARLA_EXPORT

  2315. const NativePluginDescriptor* carla_get_native_rack_plugin();

  2316. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2317. {

  2318.     CARLA_BACKEND_USE_NAMESPACE;

  2319.     return &carlaRackDesc;

  2320. }

  2321. 

  2322. CARLA_EXPORT

  2323. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  2324. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2325. {

  2326.     CARLA_BACKEND_USE_NAMESPACE;

  2327.     return &carlaPatchbayDesc;

  2328. }

  2329. 

  2330. // -----------------------------------------------------------------------

  2331. // Extra stuff for linking purposes

  2332. 

  2333. #ifdef CARLA_PLUGIN_EXPORT

  2334. 

  2335. CARLA_BACKEND_START_NAMESPACE

  2336. 

  2337. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2338. 

  2339. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2340. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2341. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2342. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2343. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2344. 

  2345. CARLA_BACKEND_END_NAMESPACE

  2346. 

  2347. #define CARLA_PLUGIN_UI_CLASS_PREFIX EngineNative

  2348. #include "CarlaHostCommon.cpp"

  2349. #include "CarlaPluginUI.cpp"

  2350. #include "CarlaDssiUtils.cpp"

  2351. #include "CarlaMacUtils.cpp"

  2352. #include "CarlaPatchbayUtils.cpp"

  2353. #include "CarlaPipeUtils.cpp"

  2354. #include "CarlaStateUtils.cpp"

  2355. 

  2356. #endif

  2357. 

  2358. // -----------------------------------------------------------------------