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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) 2011-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaDefines.h"

  19. 

  20. #ifdef BUILD_BRIDGE

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

  22. #endif

  23. #ifdef CARLA_OS_WIN

  24. # error This file should not be compiled for Windows

  25. #endif

  26. 

  27. #include "CarlaEngineInternal.hpp"

  28. #include "CarlaPlugin.hpp"

  29. 

  30. #include "CarlaBackendUtils.hpp"

  31. #include "CarlaBase64Utils.hpp"

  32. #include "CarlaBinaryUtils.hpp"

  33. #include "CarlaMathUtils.hpp"

  34. #include "CarlaStateUtils.hpp"

  35. 

  36. #include "CarlaExternalUI.hpp"

  37. #include "CarlaNative.hpp"

  38. 

  39. #include "juce_audio_basics.h"

  40. 

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

  42. # include "juce_gui_basics.h"

  43. #else

  44. namespace juce {

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

  46. } // namespace juce

  47. #endif

  48. 

  49. using juce::File;

  50. using juce::FloatVectorOperations;

  51. using juce::MemoryOutputStream;

  52. using juce::ScopedPointer;

  53. using juce::String;

  54. using juce::XmlDocument;

  55. using juce::XmlElement;

  56. 

  57. static bool gNeedsJuceHandling = false;

  58. static int  gJuceReferenceCounter = 0;

  59. 

  60. CARLA_BACKEND_START_NAMESPACE

  61. 

  62. // -----------------------------------------------------------------------

  63. 

  64. class CarlaEngineNativeUI : public CarlaExternalUI

  65. {

  66. public:

  67.     CarlaEngineNativeUI(CarlaEngine* const engine)

  68.         : fEngine(engine),

  69.           leakDetector_CarlaEngineNativeUI()

  70.     {

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

  72.     }

  73. 

  74.     ~CarlaEngineNativeUI() override

  75.     {

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

  77.     }

  78. 

  79.     CarlaMutex& getWriteLock() noexcept

  80.     {

  81.         return fWriteLock;

  82.     }

  83. 

  84.     void show() noexcept

  85.     {

  86.         const CarlaMutexLocker cml(fWriteLock);

  87.         writeMsg("show\n", 5);

  88.     }

  89. 

  90. protected:

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

  92.     {

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

  94.             return true;

  95. 

  96.         bool ok = true;

  97. 

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

  99.         {

  100.             uint32_t option;

  101.             int32_t value;

  102.             const char* valueStr = nullptr;

  103. 

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

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

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

  107. 

  108.             try {

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

  110.             } CARLA_SAFE_EXCEPTION("setOption");

  111. 

  112.             delete[] valueStr;

  113.         }

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

  115.         {

  116.             const char* filename;

  117. 

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

  119. 

  120.             try {

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

  122.             } CARLA_SAFE_EXCEPTION("loadFile");

  123. 

  124.             delete[] filename;

  125.         }

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

  127.         {

  128.             const char* filename;

  129. 

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

  131. 

  132.             try {

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

  134.             } CARLA_SAFE_EXCEPTION("loadProject");

  135. 

  136.             delete[] filename;

  137.         }

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

  139.         {

  140.             const char* filename;

  141. 

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

  143. 

  144.             try {

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

  146.             } CARLA_SAFE_EXCEPTION("saveProject");

  147. 

  148.             delete[] filename;

  149.         }

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

  151.         {

  152.             uint32_t groupA, portA, groupB, portB;

  153. 

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

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

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

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

  158. 

  159.             try {

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

  161.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  162.         }

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

  164.         {

  165.             uint32_t connectionId;

  166. 

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

  168. 

  169.             try {

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

  171.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  172.         }

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

  174.         {

  175.             try {

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

  177.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  178.         }

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

  180.         {

  181.             fEngine->transportPlay();

  182.         }

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

  184.         {

  185.             fEngine->transportPause();

  186.         }

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

  188.         {

  189.             uint64_t frame;

  190. 

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

  192. 

  193.             fEngine->transportRelocate(frame);

  194.         }

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

  196.         {

  197.             uint32_t btype, ptype;

  198.             const char* filename = nullptr;

  199.             const char* name;

  200.             const char* label;

  201.             int64_t uniqueId;

  202. 

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

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

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

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

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

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

  209. 

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

  211.             {

  212.                 delete[] filename;

  213.                 filename = nullptr;

  214.             }

  215. 

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

  217.             {

  218.                 delete[] name;

  219.                 name = nullptr;

  220.             }

  221. 

  222.             ok = fEngine->addPlugin(static_cast<BinaryType>(btype), static_cast<PluginType>(ptype), filename, name, label, uniqueId, nullptr);

  223. 

  224.             if (filename != nullptr)

  225.                 delete[] filename;

  226.             if (name != nullptr)

  227.                 delete[] name;

  228.             delete[] label;

  229.         }

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

  231.         {

  232.             uint32_t pluginId;

  233. 

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

  235. 

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

  237.         }

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

  239.         {

  240.             ok = fEngine->removeAllPlugins();

  241.         }

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

  243.         {

  244.             uint32_t pluginId;

  245.             const char* newName;

  246. 

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

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

  249. 

  250.             // TODO

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

  252. 

  253.             delete[] newName;

  254.         }

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

  256.         {

  257.             uint32_t pluginId;

  258. 

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

  260. 

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

  262.         }

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

  264.         {

  265.             uint32_t pluginId;

  266. 

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

  268. 

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

  270.         }

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

  272.         {

  273.             uint32_t pluginIdA, pluginIdB;

  274. 

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

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

  277. 

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

  279.         }

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

  281.         {

  282.             uint32_t pluginId;

  283.             const char* filename;

  284. 

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

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

  287. 

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

  289.                 plugin->loadStateFromFile(filename);

  290. 

  291.             delete[] filename;

  292.         }

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

  294.         {

  295.             uint32_t pluginId;

  296.             const char* filename;

  297. 

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

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

  300. 

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

  302.                 plugin->saveStateToFile(filename);

  303. 

  304.             delete[] filename;

  305.         }

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

  307.         {

  308.             uint32_t pluginId, option;

  309.             bool yesNo;

  310. 

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

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

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

  314. 

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

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

  317.         }

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

  319.         {

  320.             uint32_t pluginId;

  321.             bool onOff;

  322. 

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

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

  325. 

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

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

  328.         }

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

  330.         {

  331.             uint32_t pluginId;

  332.             float value;

  333. 

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

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

  336. 

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

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

  339.         }

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

  341.         {

  342.             uint32_t pluginId;

  343.             float value;

  344. 

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

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

  347. 

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

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

  350.         }

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

  352.         {

  353.             uint32_t pluginId;

  354.             float value;

  355. 

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

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

  358. 

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

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

  361.         }

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

  363.         {

  364.             uint32_t pluginId;

  365.             float value;

  366. 

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

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

  369. 

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

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

  372.         }

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

  374.         {

  375.             uint32_t pluginId;

  376.             float value;

  377. 

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

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

  380. 

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

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

  383.         }

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

  385.         {

  386.             uint32_t pluginId;

  387.             int32_t channel;

  388. 

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

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

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

  392. 

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

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

  395.         }

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

  397.         {

  398.             uint32_t pluginId, parameterId;

  399.             float value;

  400. 

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

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

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

  404. 

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

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

  407.         }

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

  409.         {

  410.             uint32_t pluginId, parameterId, channel;

  411. 

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

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

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

  415.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  416. 

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

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

  419.         }

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

  421.         {

  422.             uint32_t pluginId, parameterId;

  423.             int32_t cc;

  424. 

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

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

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

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

  429. 

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

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

  432.         }

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

  434.         {

  435.             uint32_t pluginId;

  436.             int32_t index;

  437. 

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

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

  440. 

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

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

  443.         }

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

  445.         {

  446.             uint32_t pluginId;

  447.             int32_t index;

  448. 

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

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

  451. 

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

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

  454.         }

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

  456.         {

  457.             uint32_t pluginId;

  458.             const char* type;

  459.             const char* key;

  460.             const char* value;

  461. 

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

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

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

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

  466. 

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

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

  469. 

  470.             delete[] type;

  471.             delete[] key;

  472.             delete[] value;

  473.         }

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

  475.         {

  476.             uint32_t pluginId;

  477.             const char* cdata;

  478. 

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

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

  481. 

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

  483.             {

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

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

  486.             }

  487. 

  488.             delete[] cdata;

  489.         }

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

  491.         {

  492.             uint32_t pluginId;

  493. 

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

  495. 

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

  497.                 plugin->prepareForSave();

  498.         }

  499.         else if (std::strcmp(msg, "reset_parameters") == 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->resetParameters();

  507.         }

  508.         else if (std::strcmp(msg, "randomize_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->randomizeParameters();

  516.         }

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

  518.         {

  519.             uint32_t pluginId, channel, note, velocity;

  520. 

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

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

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

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

  525.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  526.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  527.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  528. 

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

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

  531.         }

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

  533.         {

  534.             uint32_t pluginId;

  535.             bool yesNo;

  536. 

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

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

  539. 

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

  541.                 plugin->showCustomUI(yesNo);

  542.         }

  543.         else

  544.         {

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

  546.             return false;

  547.         }

  548. 

  549.         if (! ok)

  550.         {

  551.             const CarlaMutexLocker cml(fWriteLock);

  552.             writeMsg("error\n", 6);

  553.             writeAndFixMsg(fEngine->getLastError());

  554.         }

  555. 

  556.         return true;

  557.     }

  558. 

  559. private:

  560.     CarlaEngine* const fEngine;

  561. 

  562.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  563. };

  564. 

  565. // -----------------------------------------------------------------------

  566. 

  567. class CarlaEngineNative : public CarlaEngine

  568. {

  569. public:

  570.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay)

  571.         : CarlaEngine(),

  572.           pHost(host),

  573.           kIsPatchbay(isPatchbay),

  574.           fIsActive(false),

  575.           fIsRunning(false),

  576.           fUiServer(this),

  577.           fOptionsForced(false),

  578.           leakDetector_CarlaEngineNative()

  579.     {

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

  581. 

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

  583. 

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

  585.             juce::initialiseJuce_GUI();

  586. 

  587.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  588. 

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

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

  591. 

  592.         // set-up engine

  593.         if (kIsPatchbay)

  594.         {

  595.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  596.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  597.             pData->options.forceStereo         = false;

  598.             pData->options.preferPluginBridges = false;

  599.             pData->options.preferUiBridges     = false;

  600.             init("Carla-Patchbay");

  601.             pData->graph.create(false, pData->sampleRate, pData->bufferSize, 2, 2);

  602.         }

  603.         else

  604.         {

  605.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  606.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  607.             pData->options.forceStereo         = true;

  608.             pData->options.preferPluginBridges = false;

  609.             pData->options.preferUiBridges     = false;

  610.             init("Carla-Rack");

  611.             pData->graph.create(true, pData->sampleRate, pData->bufferSize, 0, 0);

  612.         }

  613. 

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

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

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

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

  618. 

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

  620. 

  621. #ifndef CARLA_PLUGIN_EXPORT

  622.         if (gNeedsJuceHandling)

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

  624.         else

  625. #endif

  626.             pData->options.binaryDir = carla_strdup(File(pHost->resourceDir).getParentDirectory().getFullPathName().toRawUTF8());

  627. 

  628.         setCallback(_ui_server_callback, this);

  629.     }

  630. 

  631.     ~CarlaEngineNative() override

  632.     {

  633.         CARLA_SAFE_ASSERT(! fIsActive);

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

  635. 

  636.         pData->aboutToClose = true;

  637.         fIsRunning = false;

  638. 

  639.         removeAllPlugins();

  640.         //runPendingRtEvents();

  641.         close();

  642. 

  643.         pData->graph.destroy();

  644. 

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

  646.             juce::shutdownJuce_GUI();

  647. 

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

  649.     }

  650. 

  651. protected:

  652.     // -------------------------------------

  653.     // CarlaEngine virtual calls

  654. 

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

  656.     {

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

  658. 

  659.         fIsRunning = true;

  660. 

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

  662.         {

  663.             close();

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

  665.             return false;

  666.         }

  667. 

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

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

  670. 

  671.         return true;

  672.     }

  673. 

  674.     bool close() override

  675.     {

  676.         fIsRunning = false;

  677.         CarlaEngine::close();

  678.         return true;

  679.     }

  680. 

  681.     bool isRunning() const noexcept override

  682.     {

  683.         return fIsRunning;

  684.     }

  685. 

  686.     bool isOffline() const noexcept override

  687.     {

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

  689.     }

  690. 

  691.     EngineType getType() const noexcept override

  692.     {

  693.         return kEngineTypePlugin;

  694.     }

  695. 

  696.     const char* getCurrentDriverName() const noexcept override

  697.     {

  698.         return "Plugin";

  699.     }

  700. 

  701.     // -------------------------------------------------------------------

  702. 

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

  704.     {

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

  706.         {

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

  708.             return retName;

  709.         }

  710. 

  711.         return nullptr;

  712.     }

  713. 

  714.     // -------------------------------------------------------------------

  715. 

  716.     void bufferSizeChanged(const uint32_t newBufferSize)

  717.     {

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

  719.             return;

  720. 

  721.         {

  722.             const CarlaMutexLocker cml(fUiServer.getWriteLock());

  723. 

  724.             fUiServer.writeAndFixMsg("buffer-size");

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

  726.             fUiServer.writeMsg(fTmpBuf);

  727.         }

  728. 

  729.         pData->bufferSize = newBufferSize;

  730.         CarlaEngine::bufferSizeChanged(newBufferSize);

  731.     }

  732. 

  733.     void sampleRateChanged(const double newSampleRate)

  734.     {

  735.         if (carla_compareFloats(pData->sampleRate, newSampleRate))

  736.             return;

  737. 

  738.         {

  739.             const CarlaMutexLocker cml(fUiServer.getWriteLock());

  740.             const ScopedLocale csl;

  741. 

  742.             fUiServer.writeAndFixMsg("sample-rate");

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

  744.             fUiServer.writeMsg(fTmpBuf);

  745.         }

  746. 

  747.         pData->sampleRate = newSampleRate;

  748.         CarlaEngine::sampleRateChanged(newSampleRate);

  749.     }

  750. 

  751.     // -------------------------------------------------------------------

  752. 

  753.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  754.     {

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

  756. 

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

  758. 

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

  760.         fUiServer.writeMsg(fTmpBuf);

  761. 

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

  763.         fUiServer.writeMsg(fTmpBuf);

  764. 

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

  766.         {

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

  768.             fUiServer.writeAndFixMsg(fTmpBuf);

  769.         }

  770.         else

  771.             fUiServer.writeMsg("\n");

  772. 

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

  774.         {

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

  776.             fUiServer.writeAndFixMsg(fTmpBuf);

  777.         }

  778.         else

  779.             fUiServer.writeMsg("\n");

  780. 

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

  782.         {

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

  784.             fUiServer.writeAndFixMsg(fTmpBuf);

  785.         }

  786.         else

  787.             fUiServer.writeMsg("\n");

  788. 

  789.         plugin->getRealName(fTmpBuf);

  790.         fUiServer.writeAndFixMsg(fTmpBuf);

  791. 

  792.         plugin->getLabel(fTmpBuf);

  793.         fUiServer.writeAndFixMsg(fTmpBuf);

  794. 

  795.         plugin->getMaker(fTmpBuf);

  796.         fUiServer.writeAndFixMsg(fTmpBuf);

  797. 

  798.         plugin->getCopyright(fTmpBuf);

  799.         fUiServer.writeAndFixMsg(fTmpBuf);

  800. 

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

  802.         fUiServer.writeMsg(fTmpBuf);

  803. 

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

  805.         fUiServer.writeMsg(fTmpBuf);

  806.     }

  807. 

  808.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  809.     {

  810.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  811.         const ScopedLocale csl;

  812. 

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

  814. 

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

  816.         {

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

  818.             fUiServer.writeMsg(fTmpBuf);

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

  820.             fUiServer.writeMsg(fTmpBuf);

  821.         }

  822. 

  823.         uint32_t ins, outs, count;

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

  825.         count = plugin->getParameterCount();

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

  827.         fUiServer.writeMsg(fTmpBuf);

  828. 

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

  830.         {

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

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

  833. 

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

  835.             fUiServer.writeMsg(fTmpBuf);

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

  837.             fUiServer.writeMsg(fTmpBuf);

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

  839.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  841.             fUiServer.writeAndFixMsg(fTmpBuf);

  842. 

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

  844.             fUiServer.writeMsg(fTmpBuf);

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

  846.             fUiServer.writeMsg(fTmpBuf);

  847. 

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

  849.             fUiServer.writeMsg(fTmpBuf);

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

  851.             fUiServer.writeMsg(fTmpBuf);

  852.         }

  853.     }

  854. 

  855.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  856.     {

  857.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  858. 

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

  860. 

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

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

  863.         fUiServer.writeMsg(fTmpBuf);

  864. 

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

  866.         {

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

  868.             fUiServer.writeMsg(fTmpBuf);

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

  870.             fUiServer.writeAndFixMsg(fTmpBuf);

  871.         }

  872. 

  873.         count = plugin->getMidiProgramCount();

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

  875.         fUiServer.writeMsg(fTmpBuf);

  876. 

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

  878.         {

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

  880.             fUiServer.writeMsg(fTmpBuf);

  881. 

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

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

  884.             fUiServer.writeMsg(fTmpBuf);

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

  886.             fUiServer.writeAndFixMsg(fTmpBuf);

  887.         }

  888.     }

  889. 

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

  891.     {

  892.         if (! fIsRunning)

  893.             return;

  894.         if (! fUiServer.isOk())

  895.             return;

  896. 

  897.         CarlaPlugin* plugin;

  898. 

  899.         switch (action)

  900.         {

  901.         case ENGINE_CALLBACK_RELOAD_INFO:

  902.             plugin = getPlugin(pluginId);

  903. 

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

  905.             {

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

  907.                 uiServerSendPluginInfo(plugin);

  908.             }

  909.             break;

  910. 

  911.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  912.             plugin = getPlugin(pluginId);

  913. 

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

  915.             {

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

  917.                 uiServerSendPluginParameters(plugin);

  918.             }

  919.             break;

  920. 

  921.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  922.             plugin = getPlugin(pluginId);

  923. 

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

  925.             {

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

  927.                 uiServerSendPluginPrograms(plugin);

  928.             }

  929.             break;

  930. 

  931.         case ENGINE_CALLBACK_RELOAD_ALL:

  932.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  933.             plugin = getPlugin(pluginId);

  934. 

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

  936.             {

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

  938.                 uiServerSendPluginInfo(plugin);

  939.                 uiServerSendPluginParameters(plugin);

  940.                 uiServerSendPluginPrograms(plugin);

  941.             }

  942.             break;

  943. 

  944.         default:

  945.             break;

  946.         }

  947. 

  948.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  949.         const ScopedLocale csl;

  950. 

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

  952.         fUiServer.writeMsg(fTmpBuf);

  953. 

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

  955.         fUiServer.writeMsg(fTmpBuf);

  956. 

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

  958.         fUiServer.writeMsg(fTmpBuf);

  959. 

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

  961.         fUiServer.writeMsg(fTmpBuf);

  962. 

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

  964.         fUiServer.writeMsg(fTmpBuf);

  965. 

  966.         fUiServer.writeAndFixMsg(valueStr);

  967.     }

  968. 

  969.     void uiServerInfo()

  970.     {

  971.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  972.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isOk(),);

  973. 

  974.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  975. 

  976.         fUiServer.writeAndFixMsg("complete-license");

  977.         fUiServer.writeAndFixMsg(carla_get_complete_license_text());

  978. 

  979.         fUiServer.writeAndFixMsg("juce-version");

  980.         fUiServer.writeAndFixMsg(carla_get_juce_version());

  981. 

  982.         fUiServer.writeAndFixMsg("file-exts");

  983.         fUiServer.writeAndFixMsg(carla_get_supported_file_extensions());

  984. 

  985.         fUiServer.writeAndFixMsg("max-plugin-number");

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

  987.         fUiServer.writeMsg(fTmpBuf);

  988. 

  989.         fUiServer.writeAndFixMsg("buffer-size");

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

  991.         fUiServer.writeMsg(fTmpBuf);

  992. 

  993.         const ScopedLocale csl;

  994. 

  995.         fUiServer.writeAndFixMsg("sample-rate");

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

  997.         fUiServer.writeMsg(fTmpBuf);

  998.     }

  999. 

  1000.     void uiServerOptions()

  1001.     {

  1002.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1003.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isOk(),);

  1004. 

  1005.         const EngineOptions& options(pData->options);

  1006.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1007. 

  1008.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1009.         fUiServer.writeMsg(fTmpBuf);

  1010.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1011.         fUiServer.writeMsg(fTmpBuf);

  1012.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1013.         fUiServer.writeMsg(fTmpBuf);

  1014. 

  1015.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1016.         fUiServer.writeMsg(fTmpBuf);

  1017.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1018.         fUiServer.writeMsg(fTmpBuf);

  1019.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1020.         fUiServer.writeMsg(fTmpBuf);

  1021. 

  1022.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1023.         fUiServer.writeMsg(fTmpBuf);

  1024.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1025.         fUiServer.writeMsg(fTmpBuf);

  1026.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.forceStereo));

  1027.         fUiServer.writeMsg(fTmpBuf);

  1028. 

  1029.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1030.         fUiServer.writeMsg(fTmpBuf);

  1031.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1032.         fUiServer.writeMsg(fTmpBuf);

  1033.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.preferPluginBridges));

  1034.         fUiServer.writeMsg(fTmpBuf);

  1035. 

  1036.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1037.         fUiServer.writeMsg(fTmpBuf);

  1038.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1039.         fUiServer.writeMsg(fTmpBuf);

  1040.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.preferUiBridges));

  1041.         fUiServer.writeMsg(fTmpBuf);

  1042. 

  1043.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1044.         fUiServer.writeMsg(fTmpBuf);

  1045.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1046.         fUiServer.writeMsg(fTmpBuf);

  1047.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.uisAlwaysOnTop));

  1048.         fUiServer.writeMsg(fTmpBuf);

  1049. 

  1050.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1051.         fUiServer.writeMsg(fTmpBuf);

  1052.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1053.         fUiServer.writeMsg(fTmpBuf);

  1054.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1055.         fUiServer.writeMsg(fTmpBuf);

  1056. 

  1057.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1058.         fUiServer.writeMsg(fTmpBuf);

  1059.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1060.         fUiServer.writeMsg(fTmpBuf);

  1061.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1062.         fUiServer.writeMsg(fTmpBuf);

  1063. 

  1064.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1065.         fUiServer.writeMsg(fTmpBuf);

  1066.         std::sprintf(fTmpBuf, "%s\n", "true");

  1067.         fUiServer.writeMsg(fTmpBuf);

  1068.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1069.         fUiServer.writeMsg(fTmpBuf);

  1070. 

  1071.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1072.         fUiServer.writeMsg(fTmpBuf);

  1073.         std::sprintf(fTmpBuf, "%s\n", "true");

  1074.         fUiServer.writeMsg(fTmpBuf);

  1075.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1076.         fUiServer.writeMsg(fTmpBuf);

  1077.     }

  1078. 

  1079.     // -------------------------------------------------------------------

  1080.     // Plugin parameter calls

  1081. 

  1082.     uint32_t getParameterCount() const

  1083.     {

  1084.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1085.             return plugin->getParameterCount();

  1086. 

  1087.         return 0;

  1088.     }

  1089. 

  1090.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1091.     {

  1092.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1093.         {

  1094.             if (index < plugin->getParameterCount())

  1095.             {

  1096.                 static NativeParameter param;

  1097.                 static char strBufName[STR_MAX+1];

  1098.                 static char strBufUnit[STR_MAX+1];

  1099. 

  1100.                 const ParameterData& paramData(plugin->getParameterData(index));

  1101.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1102. 

  1103.                 plugin->getParameterName(index, strBufName);

  1104.                 plugin->getParameterUnit(index, strBufUnit);

  1105. 

  1106.                 uint hints = 0x0;

  1107. 

  1108.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1109.                     hints |= ::PARAMETER_IS_BOOLEAN;

  1110.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1111.                     hints |= ::PARAMETER_IS_INTEGER;

  1112.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1113.                     hints |= ::PARAMETER_IS_LOGARITHMIC;

  1114.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1115.                     hints |= ::PARAMETER_IS_AUTOMABLE;

  1116.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1117.                     hints |= ::PARAMETER_USES_SAMPLE_RATE;

  1118.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1119.                     hints |= ::PARAMETER_USES_SCALEPOINTS;

  1120.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1121.                     hints |= ::PARAMETER_USES_CUSTOM_TEXT;

  1122. 

  1123.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1124.                 {

  1125.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1126.                         hints |= ::PARAMETER_IS_ENABLED;

  1127.                     if (paramData.type == PARAMETER_OUTPUT)

  1128.                         hints |= ::PARAMETER_IS_OUTPUT;

  1129.                 }

  1130. 

  1131.                 param.hints = static_cast<NativeParameterHints>(hints);

  1132.                 param.name  = strBufName;

  1133.                 param.unit  = strBufUnit;

  1134.                 param.ranges.def = paramRanges.def;

  1135.                 param.ranges.min = paramRanges.min;

  1136.                 param.ranges.max = paramRanges.max;

  1137.                 param.ranges.step = paramRanges.step;

  1138.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1139.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1140.                 param.scalePointCount = 0; // TODO

  1141.                 param.scalePoints = nullptr;

  1142. 

  1143.                 return &param;

  1144.             }

  1145.         }

  1146. 

  1147.         return nullptr;

  1148.     }

  1149. 

  1150.     float getParameterValue(const uint32_t index) const

  1151.     {

  1152.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1153.         {

  1154.             if (index < plugin->getParameterCount())

  1155.                 return plugin->getParameterValue(index);

  1156.         }

  1157. 

  1158.         return 0.0f;

  1159.     }

  1160. 

  1161.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1162.     {

  1163.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1164.         {

  1165.             if (index < plugin->getParameterCount())

  1166.             {

  1167.                 static char strBuf[STR_MAX+1];

  1168.                 carla_zeroChar(strBuf, STR_MAX+1);

  1169. 

  1170.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1171. 

  1172.                 return strBuf;

  1173.             }

  1174.         }

  1175. 

  1176.         return nullptr;

  1177.     }

  1178. 

  1179.     // -------------------------------------------------------------------

  1180.     // Plugin midi-program calls

  1181. 

  1182.     uint32_t getMidiProgramCount() const

  1183.     {

  1184.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1185.             return plugin->getMidiProgramCount();

  1186. 

  1187.         return 0;

  1188.     }

  1189. 

  1190.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1191.     {

  1192.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1193.         {

  1194.             if (index < plugin->getMidiProgramCount())

  1195.             {

  1196.                 static NativeMidiProgram midiProg;

  1197. 

  1198.                 {

  1199.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1200. 

  1201.                     midiProg.bank    = midiProgData.bank;

  1202.                     midiProg.program = midiProgData.program;

  1203.                     midiProg.name    = midiProgData.name;

  1204.                 }

  1205. 

  1206.                 return &midiProg;

  1207.             }

  1208.         }

  1209. 

  1210.         return nullptr;

  1211.     }

  1212. 

  1213.     // -------------------------------------------------------------------

  1214.     // Plugin state calls

  1215. 

  1216.     void setParameterValue(const uint32_t index, const float value)

  1217.     {

  1218.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1219.         {

  1220.             if (index < plugin->getParameterCount())

  1221.                 plugin->setParameterValue(index, value, false, false, false);

  1222.         }

  1223.     }

  1224. 

  1225.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1226.     {

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

  1228.             plugin->setMidiProgramById(bank, program, false, false, false);

  1229.     }

  1230. 

  1231.     // -------------------------------------------------------------------

  1232.     // Plugin process calls

  1233. 

  1234.     void activate()

  1235.     {

  1236. #if 0

  1237.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1238.         {

  1239.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1240. 

  1241.             if (plugin == nullptr || ! plugin->isEnabled())

  1242.                 continue;

  1243. 

  1244.             plugin->setActive(true, true, false);

  1245.         }

  1246. #endif

  1247.         fIsActive = true;

  1248.     }

  1249. 

  1250.     void deactivate()

  1251.     {

  1252.         fIsActive = false;

  1253. #if 0

  1254.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1255.         {

  1256.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1257. 

  1258.             if (plugin == nullptr || ! plugin->isEnabled())

  1259.                 continue;

  1260. 

  1261.             plugin->setActive(false, true, false);

  1262.         }

  1263. #endif

  1264. 

  1265.         // just in case

  1266.         //runPendingRtEvents();

  1267.     }

  1268. 

  1269.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1270.     {

  1271.         const PendingRtEventsRunner prt(this);

  1272. 

  1273.         // ---------------------------------------------------------------

  1274.         // Time Info

  1275. 

  1276.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1277. 

  1278.         pData->timeInfo.playing = timeInfo->playing;

  1279.         pData->timeInfo.frame   = timeInfo->frame;

  1280.         pData->timeInfo.usecs   = timeInfo->usecs;

  1281.         pData->timeInfo.valid   = 0x0;

  1282. 

  1283.         if (timeInfo->bbt.valid)

  1284.         {

  1285.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1286. 

  1287.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1288.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1289.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1290.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1291. 

  1292.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1293.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1294. 

  1295.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1296.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1297.         }

  1298. 

  1299.         // ---------------------------------------------------------------

  1300.         // Do nothing if no plugins and rack mode

  1301. 

  1302.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1303.         {

  1304.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1305.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1306.             return;

  1307.         }

  1308. 

  1309.         // ---------------------------------------------------------------

  1310.         // initialize events

  1311. 

  1312.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1313.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1314. 

  1315.         // ---------------------------------------------------------------

  1316.         // events input (before processing)

  1317. 

  1318.         {

  1319.             uint32_t engineEventIndex = 0;

  1320. 

  1321.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1322.             {

  1323.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1324.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1325. 

  1326.                 engineEvent.time = midiEvent.time;

  1327.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1328. 

  1329.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1330.                     break;

  1331.             }

  1332.         }

  1333. 

  1334.         if (kIsPatchbay)

  1335.         {

  1336.             // -----------------------------------------------------------

  1337.             // process

  1338. 

  1339.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1340.         }

  1341.         else

  1342.         {

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

  1344.             // create audio buffers

  1345. 

  1346.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1347.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1348. 

  1349.             // -----------------------------------------------------------

  1350.             // process

  1351. 

  1352.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1353.         }

  1354. 

  1355.         // ---------------------------------------------------------------

  1356.         // events output (after processing)

  1357. 

  1358.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1359. 

  1360.         {

  1361.             NativeMidiEvent midiEvent;

  1362. 

  1363.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1364.             {

  1365.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1366. 

  1367.                 if (engineEvent.type == kEngineEventTypeNull)

  1368.                     break;

  1369. 

  1370.                 midiEvent.time = engineEvent.time;

  1371. 

  1372.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1373.                 {

  1374.                     midiEvent.port = 0;

  1375.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1376.                 }

  1377.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1378.                 {

  1379.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1380.                         continue;

  1381. 

  1382.                     midiEvent.port = engineEvent.midi.port;

  1383.                     midiEvent.size = engineEvent.midi.size;

  1384. 

  1385.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1386. 

  1387.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1388.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1389.                 }

  1390.                 else

  1391.                 {

  1392.                     carla_stderr("Unknown event type...");

  1393.                     continue;

  1394.                 }

  1395. 

  1396.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1397.             }

  1398.         }

  1399.     }

  1400. 

  1401.     // -------------------------------------------------------------------

  1402.     // Plugin UI calls

  1403. 

  1404.     void uiShow(const bool show)

  1405.     {

  1406.         if (show)

  1407.         {

  1408.             if (fUiServer.isOk())

  1409.                 return;

  1410. 

  1411.             CarlaString path(pHost->resourceDir);

  1412. 

  1413.             if (kIsPatchbay)

  1414.                 path += "/carla-plugin-patchbay";

  1415.             else

  1416.                 path += "/carla-plugin";

  1417. 

  1418.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1419. 

  1420.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1421.             fUiServer.start(false);

  1422. 

  1423.             uiServerInfo();

  1424.             uiServerOptions();

  1425.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1426. 

  1427.             fUiServer.show();

  1428. 

  1429.             for (uint i=0; i < pData->curPluginCount; ++i)

  1430.             {

  1431.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1432. 

  1433.                 if (plugin != nullptr && plugin->isEnabled())

  1434.                 {

  1435.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1436.                 }

  1437.             }

  1438. 

  1439.             if (kIsPatchbay)

  1440.                 patchbayRefresh(false);

  1441.         }

  1442.         else

  1443.         {

  1444.             fUiServer.stop();

  1445.         }

  1446.     }

  1447. 

  1448.     void uiIdle()

  1449.     {

  1450.         CarlaEngine::idle();

  1451.         fUiServer.idle();

  1452. 

  1453.         if (! fUiServer.isOk())

  1454.             return;

  1455. 

  1456.         {

  1457.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1458.             const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1459.             const ScopedLocale csl;

  1460. 

  1461.             // send transport

  1462.             fUiServer.writeAndFixMsg("transport");

  1463.             fUiServer.writeAndFixMsg(bool2str(timeInfo.playing));

  1464. 

  1465.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1466.             {

  1467.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1468.                 fUiServer.writeMsg(fTmpBuf);

  1469.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1470.                 fUiServer.writeMsg(fTmpBuf);

  1471.             }

  1472.             else

  1473.             {

  1474.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1475.                 fUiServer.writeMsg(fTmpBuf);

  1476.                 fUiServer.writeMsg("0.0\n");

  1477.             }

  1478. 

  1479.             // send peaks and param outputs for all plugins

  1480.             for (uint i=0; i < pData->curPluginCount; ++i)

  1481.             {

  1482.                 const EnginePluginData& plugData(pData->plugins[i]);

  1483.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1484. 

  1485.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1486.                 fUiServer.writeMsg(fTmpBuf);

  1487. 

  1488.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1489.                 fUiServer.writeMsg(fTmpBuf);

  1490. 

  1491.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1492.                 {

  1493.                     if (! plugin->isParameterOutput(j))

  1494.                         continue;

  1495. 

  1496.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1497.                     fUiServer.writeMsg(fTmpBuf);

  1498.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1499.                     fUiServer.writeMsg(fTmpBuf);

  1500.                 }

  1501.             }

  1502.         }

  1503. 

  1504.         switch (fUiServer.getAndResetUiState())

  1505.         {

  1506.         case CarlaExternalUI::UiNone:

  1507.         case CarlaExternalUI::UiShow:

  1508.             break;

  1509.         case CarlaExternalUI::UiCrashed:

  1510.             pHost->dispatcher(pHost->handle, HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1511.             break;

  1512.         case CarlaExternalUI::UiHide:

  1513.             pHost->ui_closed(pHost->handle);

  1514.             fUiServer.stop();

  1515.             break;

  1516.         }

  1517.     }

  1518. 

  1519.     // -------------------------------------------------------------------

  1520.     // Plugin state calls

  1521. 

  1522.     char* getState() const

  1523.     {

  1524.         MemoryOutputStream out;

  1525.         saveProjectInternal(out);

  1526.         return strdup(out.toString().toRawUTF8());

  1527.     }

  1528. 

  1529.     void setState(const char* const data)

  1530.     {

  1531.         fOptionsForced = true;

  1532.         const String state(data);

  1533.         XmlDocument xml(state);

  1534.         loadProjectInternal(xml);

  1535.     }

  1536. 

  1537.     // -------------------------------------------------------------------

  1538. 

  1539. public:

  1540.     #define handlePtr ((CarlaEngineNative*)handle)

  1541. 

  1542.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1543.     {

  1544.         return new CarlaEngineNative(host, false);

  1545.     }

  1546. 

  1547.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1548.     {

  1549.         return new CarlaEngineNative(host, true);

  1550.     }

  1551. 

  1552.     static void _cleanup(NativePluginHandle handle)

  1553.     {

  1554.         delete handlePtr;

  1555.     }

  1556. 

  1557.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1558.     {

  1559.         return handlePtr->getParameterCount();

  1560.     }

  1561. 

  1562.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1563.     {

  1564.         return handlePtr->getParameterInfo(index);

  1565.     }

  1566. 

  1567.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1568.     {

  1569.         return handlePtr->getParameterValue(index);

  1570.     }

  1571. 

  1572.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1573.     {

  1574.         return handlePtr->getParameterText(index /*, value*/);

  1575.     }

  1576. 

  1577.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1578.     {

  1579.         return handlePtr->getMidiProgramCount();

  1580.     }

  1581. 

  1582.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1583.     {

  1584.         return handlePtr->getMidiProgramInfo(index);

  1585.     }

  1586. 

  1587.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1588.     {

  1589.         handlePtr->setParameterValue(index, value);

  1590.     }

  1591. 

  1592.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1593.     {

  1594.         handlePtr->setMidiProgram(channel, bank, program);

  1595.     }

  1596. 

  1597.     static void _ui_show(NativePluginHandle handle, bool show)

  1598.     {

  1599.         handlePtr->uiShow(show);

  1600.     }

  1601. 

  1602.     static void _ui_idle(NativePluginHandle handle)

  1603.     {

  1604.         handlePtr->uiIdle();

  1605.     }

  1606. 

  1607.     static void _activate(NativePluginHandle handle)

  1608.     {

  1609.         handlePtr->activate();

  1610.     }

  1611. 

  1612.     static void _deactivate(NativePluginHandle handle)

  1613.     {

  1614.         handlePtr->deactivate();

  1615.     }

  1616. 

  1617.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1618.     {

  1619.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1620.     }

  1621. 

  1622.     static char* _get_state(NativePluginHandle handle)

  1623.     {

  1624.         return handlePtr->getState();

  1625.     }

  1626. 

  1627.     static void _set_state(NativePluginHandle handle, const char* data)

  1628.     {

  1629.         handlePtr->setState(data);

  1630.     }

  1631. 

  1632.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1633.     {

  1634.         switch(opcode)

  1635.         {

  1636.         case PLUGIN_OPCODE_NULL:

  1637.             return 0;

  1638.         case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1639.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1640.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1641.             return 0;

  1642.         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1643.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1644.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1645.             return 0;

  1646.         case PLUGIN_OPCODE_OFFLINE_CHANGED:

  1647.             handlePtr->offlineModeChanged(value != 0);

  1648.             return 0;

  1649.         case PLUGIN_OPCODE_UI_NAME_CHANGED:

  1650.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1651.             return 0;

  1652.         }

  1653. 

  1654.         return 0;

  1655. 

  1656.         // unused

  1657.         (void)index;

  1658.         (void)ptr;

  1659.     }

  1660. 

  1661.     // -------------------------------------------------------------------

  1662. 

  1663.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1664.     {

  1665.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1666.     }

  1667. 

  1668.     // -------------------------------------------------------------------

  1669. 

  1670.     #undef handlePtr

  1671. 

  1672. private:

  1673.     const NativeHostDescriptor* const pHost;

  1674. 

  1675.     const bool kIsPatchbay; // rack if false

  1676.     bool fIsActive, fIsRunning;

  1677.     CarlaEngineNativeUI fUiServer;

  1678. 

  1679.     bool fOptionsForced;

  1680.     char fTmpBuf[STR_MAX+1];

  1681. 

  1682.     CarlaPlugin* _getFirstPlugin() const noexcept

  1683.     {

  1684.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1685.             return nullptr;

  1686. 

  1687.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1688. 

  1689.         if (plugin == nullptr || ! plugin->isEnabled())

  1690.             return nullptr;

  1691. 

  1692.         return pData->plugins[0].plugin;

  1693.     }

  1694. 

  1695.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1696. };

  1697. 

  1698. // -----------------------------------------------------------------------

  1699. 

  1700. static const NativePluginDescriptor carlaRackDesc = {

  1701.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1702.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1703.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1704.     /* audioIns  */ 2,

  1705.     /* audioOuts */ 2,

  1706.     /* midiIns   */ 1,

  1707.     /* midiOuts  */ 1,

  1708.     /* paramIns  */ 0,

  1709.     /* paramOuts */ 0,

  1710.     /* name      */ "Carla-Rack",

  1711.     /* label     */ "carlarack",

  1712.     /* maker     */ "falkTX",

  1713.     /* copyright */ "GNU GPL v2+",

  1714.     CarlaEngineNative::_instantiateRack,

  1715.     CarlaEngineNative::_cleanup,

  1716.     CarlaEngineNative::_get_parameter_count,

  1717.     CarlaEngineNative::_get_parameter_info,

  1718.     CarlaEngineNative::_get_parameter_value,

  1719.     CarlaEngineNative::_get_parameter_text,

  1720.     CarlaEngineNative::_get_midi_program_count,

  1721.     CarlaEngineNative::_get_midi_program_info,

  1722.     CarlaEngineNative::_set_parameter_value,

  1723.     CarlaEngineNative::_set_midi_program,

  1724.     /* _set_custom_data        */ nullptr,

  1725.     CarlaEngineNative::_ui_show,

  1726.     CarlaEngineNative::_ui_idle,

  1727.     /* _ui_set_parameter_value */ nullptr,

  1728.     /* _ui_set_midi_program    */ nullptr,

  1729.     /* _ui_set_custom_data     */ nullptr,

  1730.     CarlaEngineNative::_activate,

  1731.     CarlaEngineNative::_deactivate,

  1732.     CarlaEngineNative::_process,

  1733.     CarlaEngineNative::_get_state,

  1734.     CarlaEngineNative::_set_state,

  1735.     CarlaEngineNative::_dispatcher

  1736. };

  1737. 

  1738. static const NativePluginDescriptor carlaPatchbayDesc = {

  1739.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1740.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1741.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1742.     /* audioIns  */ 2,

  1743.     /* audioOuts */ 2,

  1744.     /* midiIns   */ 1,

  1745.     /* midiOuts  */ 1,

  1746.     /* paramIns  */ 0,

  1747.     /* paramOuts */ 0,

  1748.     /* name      */ "Carla-Patchbay",

  1749.     /* label     */ "carlapatchbay",

  1750.     /* maker     */ "falkTX",

  1751.     /* copyright */ "GNU GPL v2+",

  1752.     CarlaEngineNative::_instantiatePatchbay,

  1753.     CarlaEngineNative::_cleanup,

  1754.     CarlaEngineNative::_get_parameter_count,

  1755.     CarlaEngineNative::_get_parameter_info,

  1756.     CarlaEngineNative::_get_parameter_value,

  1757.     CarlaEngineNative::_get_parameter_text,

  1758.     CarlaEngineNative::_get_midi_program_count,

  1759.     CarlaEngineNative::_get_midi_program_info,

  1760.     CarlaEngineNative::_set_parameter_value,

  1761.     CarlaEngineNative::_set_midi_program,

  1762.     /* _set_custom_data        */ nullptr,

  1763.     CarlaEngineNative::_ui_show,

  1764.     CarlaEngineNative::_ui_idle,

  1765.     /* _ui_set_parameter_value */ nullptr,

  1766.     /* _ui_set_midi_program    */ nullptr,

  1767.     /* _ui_set_custom_data     */ nullptr,

  1768.     CarlaEngineNative::_activate,

  1769.     CarlaEngineNative::_deactivate,

  1770.     CarlaEngineNative::_process,

  1771.     CarlaEngineNative::_get_state,

  1772.     CarlaEngineNative::_set_state,

  1773.     CarlaEngineNative::_dispatcher

  1774. };

  1775. 

  1776. CARLA_BACKEND_END_NAMESPACE

  1777. 

  1778. // -----------------------------------------------------------------------

  1779. 

  1780. CARLA_EXPORT

  1781. void carla_register_native_plugin_carla();

  1782. 

  1783. void carla_register_native_plugin_carla()

  1784. {

  1785.     CARLA_BACKEND_USE_NAMESPACE;

  1786.     carla_register_native_plugin(&carlaRackDesc);

  1787.     carla_register_native_plugin(&carlaPatchbayDesc);

  1788. }

  1789. 

  1790. // -----------------------------------------------------------------------

  1791. 

  1792. CARLA_EXPORT

  1793. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1794. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1795. {

  1796.     // if this is called then we're running as special plugin

  1797.     gNeedsJuceHandling = true;

  1798. 

  1799.     CARLA_BACKEND_USE_NAMESPACE;

  1800.     return &carlaRackDesc;

  1801. }

  1802. 

  1803. CARLA_EXPORT

  1804. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1805. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1806. {

  1807.     // if this is called then we're running as special plugin

  1808.     gNeedsJuceHandling = true;

  1809. 

  1810.     CARLA_BACKEND_USE_NAMESPACE;

  1811.     return &carlaPatchbayDesc;

  1812. }

  1813. 

  1814. // -----------------------------------------------------------------------

  1815. // Extra stuff for linking purposes

  1816. 

  1817. #ifdef CARLA_PLUGIN_EXPORT

  1818. 

  1819. CARLA_BACKEND_START_NAMESPACE

  1820. 

  1821. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1822. 

  1823. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1824. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1825. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1826. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1827. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1828. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1829. # else

  1830. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1831. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  1832. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  1833. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1834. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1835. # endif

  1836. 

  1837. CARLA_BACKEND_END_NAMESPACE

  1838. 

  1839. #include "CarlaHostCommon.cpp"

  1840. #include "CarlaPluginUI.cpp"

  1841. #include "CarlaDssiUtils.cpp"

  1842. #include "CarlaStateUtils.cpp"

  1843. #include "CarlaJuceEvents.cpp"

  1844. 

  1845. #endif

  1846. 

  1847. // -----------------------------------------------------------------------