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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.             if (valueStr != nullptr)

  113.                 delete[] valueStr;

  114.         }

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

  116.         {

  117.             const char* filename;

  118. 

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

  120. 

  121.             try {

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

  123.             } CARLA_SAFE_EXCEPTION("loadFile");

  124. 

  125.             delete[] filename;

  126.         }

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

  128.         {

  129.             const char* filename;

  130. 

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

  132. 

  133.             try {

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

  135.             } CARLA_SAFE_EXCEPTION("loadProject");

  136. 

  137.             delete[] filename;

  138.         }

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

  140.         {

  141.             const char* filename;

  142. 

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

  144. 

  145.             try {

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

  147.             } CARLA_SAFE_EXCEPTION("saveProject");

  148. 

  149.             delete[] filename;

  150.         }

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

  152.         {

  153.             uint32_t groupA, portA, groupB, portB;

  154. 

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

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

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

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

  159. 

  160.             try {

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

  162.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  163.         }

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

  165.         {

  166.             uint32_t connectionId;

  167. 

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

  169. 

  170.             try {

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

  172.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  173.         }

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

  175.         {

  176.             try {

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

  178.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  179.         }

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

  181.         {

  182.             fEngine->transportPlay();

  183.         }

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

  185.         {

  186.             fEngine->transportPause();

  187.         }

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

  189.         {

  190.             uint64_t frame;

  191. 

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

  193. 

  194.             fEngine->transportRelocate(frame);

  195.         }

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

  197.         {

  198.             uint32_t btype, ptype;

  199.             const char* filename = nullptr;

  200.             const char* name;

  201.             const char* label;

  202.             int64_t uniqueId;

  203. 

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

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

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

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

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

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

  210. 

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

  212.             {

  213.                 delete[] filename;

  214.                 filename = nullptr;

  215.             }

  216. 

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

  218.             {

  219.                 delete[] name;

  220.                 name = nullptr;

  221.             }

  222. 

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

  224. 

  225.             if (filename != nullptr)

  226.                 delete[] filename;

  227.             if (name != nullptr)

  228.                 delete[] name;

  229.             delete[] label;

  230.         }

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

  232.         {

  233.             uint32_t pluginId;

  234. 

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

  236. 

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

  238.         }

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

  240.         {

  241.             ok = fEngine->removeAllPlugins();

  242.         }

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

  244.         {

  245.             uint32_t pluginId;

  246.             const char* newName;

  247. 

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

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

  250. 

  251.             // TODO

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

  253. 

  254.             delete[] newName;

  255.         }

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

  257.         {

  258.             uint32_t pluginId;

  259. 

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

  261. 

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

  263.         }

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

  265.         {

  266.             uint32_t pluginId;

  267. 

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

  269. 

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

  271.         }

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

  273.         {

  274.             uint32_t pluginIdA, pluginIdB;

  275. 

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

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

  278. 

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

  280.         }

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

  282.         {

  283.             uint32_t pluginId;

  284.             const char* filename;

  285. 

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

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

  288. 

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

  290.                 plugin->loadStateFromFile(filename);

  291. 

  292.             delete[] filename;

  293.         }

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

  295.         {

  296.             uint32_t pluginId;

  297.             const char* filename;

  298. 

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

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

  301. 

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

  303.                 plugin->saveStateToFile(filename);

  304. 

  305.             delete[] filename;

  306.         }

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

  308.         {

  309.             uint32_t pluginId, option;

  310.             bool yesNo;

  311. 

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

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

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

  315. 

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

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

  318.         }

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

  320.         {

  321.             uint32_t pluginId;

  322.             bool onOff;

  323. 

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

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

  326. 

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

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

  329.         }

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

  331.         {

  332.             uint32_t pluginId;

  333.             float value;

  334. 

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

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

  337. 

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

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

  340.         }

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

  342.         {

  343.             uint32_t pluginId;

  344.             float value;

  345. 

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

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

  348. 

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

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

  351.         }

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

  353.         {

  354.             uint32_t pluginId;

  355.             float value;

  356. 

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

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

  359. 

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

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

  362.         }

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

  364.         {

  365.             uint32_t pluginId;

  366.             float value;

  367. 

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

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

  370. 

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

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

  373.         }

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

  375.         {

  376.             uint32_t pluginId;

  377.             float value;

  378. 

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

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

  381. 

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

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

  384.         }

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

  386.         {

  387.             uint32_t pluginId;

  388.             int32_t channel;

  389. 

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

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

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

  393. 

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

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

  396.         }

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

  398.         {

  399.             uint32_t pluginId, parameterId;

  400.             float value;

  401. 

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

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

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

  405. 

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

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

  408.         }

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

  410.         {

  411.             uint32_t pluginId, parameterId, channel;

  412. 

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

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

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

  416.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  417. 

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

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

  420.         }

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

  422.         {

  423.             uint32_t pluginId, parameterId;

  424.             int32_t cc;

  425. 

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

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

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

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

  430. 

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

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

  433.         }

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

  435.         {

  436.             uint32_t pluginId;

  437.             int32_t index;

  438. 

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

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

  441. 

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

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

  444.         }

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

  446.         {

  447.             uint32_t pluginId;

  448.             int32_t index;

  449. 

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

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

  452. 

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

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

  455.         }

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

  457.         {

  458.             uint32_t pluginId;

  459.             const char* type;

  460.             const char* key;

  461.             const char* value;

  462. 

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

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

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

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

  467. 

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

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

  470. 

  471.             delete[] type;

  472.             delete[] key;

  473.             delete[] value;

  474.         }

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

  476.         {

  477.             uint32_t pluginId;

  478.             const char* cdata;

  479. 

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

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

  482. 

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

  484.             {

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

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

  487.             }

  488. 

  489.             delete[] cdata;

  490.         }

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

  492.         {

  493.             uint32_t pluginId;

  494. 

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

  496. 

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

  498.                 plugin->prepareForSave();

  499.         }

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

  501.         {

  502.             uint32_t pluginId;

  503. 

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

  505. 

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

  507.                 plugin->resetParameters();

  508.         }

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

  510.         {

  511.             uint32_t pluginId;

  512. 

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

  514. 

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

  516.                 plugin->randomizeParameters();

  517.         }

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

  519.         {

  520.             uint32_t pluginId, channel, note, velocity;

  521. 

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

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

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

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

  526.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  527.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  528.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  529. 

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

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

  532.         }

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

  534.         {

  535.             uint32_t pluginId;

  536.             bool yesNo;

  537. 

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

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

  540. 

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

  542.                 plugin->showCustomUI(yesNo);

  543.         }

  544.         else

  545.         {

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

  547.             return false;

  548.         }

  549. 

  550.         if (! ok)

  551.         {

  552.             const CarlaMutexLocker cml(fWriteLock);

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

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

  555.         }

  556. 

  557.         return true;

  558.     }

  559. 

  560. private:

  561.     CarlaEngine* const fEngine;

  562. 

  563.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  564. };

  565. 

  566. // -----------------------------------------------------------------------

  567. 

  568. class CarlaEngineNative : public CarlaEngine

  569. {

  570. public:

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

  572.         : CarlaEngine(),

  573.           pHost(host),

  574.           kIsPatchbay(isPatchbay),

  575.           fIsActive(false),

  576.           fIsRunning(false),

  577.           fUiServer(this),

  578.           fOptionsForced(false),

  579.           leakDetector_CarlaEngineNative()

  580.     {

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

  582. 

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

  584. 

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

  586.             juce::initialiseJuce_GUI();

  587. 

  588.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  589. 

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

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

  592. 

  593.         // set-up engine

  594.         if (kIsPatchbay)

  595.         {

  596.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  597.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  598.             pData->options.forceStereo         = false;

  599.             pData->options.preferPluginBridges = false;

  600.             pData->options.preferUiBridges     = false;

  601.             init("Carla-Patchbay");

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

  603.         }

  604.         else

  605.         {

  606.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  607.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  608.             pData->options.forceStereo         = true;

  609.             pData->options.preferPluginBridges = false;

  610.             pData->options.preferUiBridges     = false;

  611.             init("Carla-Rack");

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

  613.         }

  614. 

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

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

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

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

  619. 

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

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

  622. 

  623.         setCallback(_ui_server_callback, this);

  624.     }

  625. 

  626.     ~CarlaEngineNative() override

  627.     {

  628.         CARLA_SAFE_ASSERT(! fIsActive);

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

  630. 

  631.         pData->aboutToClose = true;

  632.         fIsRunning = false;

  633. 

  634.         removeAllPlugins();

  635.         //runPendingRtEvents();

  636.         close();

  637. 

  638.         pData->graph.destroy();

  639. 

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

  641.             juce::shutdownJuce_GUI();

  642. 

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

  644.     }

  645. 

  646. protected:

  647.     // -------------------------------------

  648.     // CarlaEngine virtual calls

  649. 

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

  651.     {

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

  653. 

  654.         fIsRunning = true;

  655. 

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

  657.         {

  658.             close();

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

  660.             return false;

  661.         }

  662. 

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

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

  665. 

  666.         return true;

  667.     }

  668. 

  669.     bool close() override

  670.     {

  671.         fIsRunning = false;

  672.         CarlaEngine::close();

  673.         return true;

  674.     }

  675. 

  676.     bool isRunning() const noexcept override

  677.     {

  678.         return fIsRunning;

  679.     }

  680. 

  681.     bool isOffline() const noexcept override

  682.     {

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

  684.     }

  685. 

  686.     EngineType getType() const noexcept override

  687.     {

  688.         return kEngineTypePlugin;

  689.     }

  690. 

  691.     const char* getCurrentDriverName() const noexcept override

  692.     {

  693.         return "Plugin";

  694.     }

  695. 

  696.     // -------------------------------------------------------------------

  697. 

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

  699.     {

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

  701.         {

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

  703.             return retName;

  704.         }

  705. 

  706.         return nullptr;

  707.     }

  708. 

  709.     // -------------------------------------------------------------------

  710. 

  711.     void bufferSizeChanged(const uint32_t newBufferSize)

  712.     {

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

  714.             return;

  715. 

  716.         {

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

  718. 

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

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

  721.             fUiServer.writeMsg(fTmpBuf);

  722.         }

  723. 

  724.         pData->bufferSize = newBufferSize;

  725.         CarlaEngine::bufferSizeChanged(newBufferSize);

  726.     }

  727. 

  728.     void sampleRateChanged(const double newSampleRate)

  729.     {

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

  731.             return;

  732. 

  733.         {

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

  735.             const ScopedLocale csl;

  736. 

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

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

  739.             fUiServer.writeMsg(fTmpBuf);

  740.         }

  741. 

  742.         pData->sampleRate = newSampleRate;

  743.         CarlaEngine::sampleRateChanged(newSampleRate);

  744.     }

  745. 

  746.     // -------------------------------------------------------------------

  747. 

  748.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  749.     {

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

  751. 

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

  753. 

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

  755.         fUiServer.writeMsg(fTmpBuf);

  756. 

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

  758.         fUiServer.writeMsg(fTmpBuf);

  759. 

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

  761.         {

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

  763.             fUiServer.writeAndFixMsg(fTmpBuf);

  764.         }

  765.         else

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

  767. 

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

  769.         {

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

  771.             fUiServer.writeAndFixMsg(fTmpBuf);

  772.         }

  773.         else

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

  775. 

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

  777.         {

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

  779.             fUiServer.writeAndFixMsg(fTmpBuf);

  780.         }

  781.         else

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

  783. 

  784.         plugin->getRealName(fTmpBuf);

  785.         fUiServer.writeAndFixMsg(fTmpBuf);

  786. 

  787.         plugin->getLabel(fTmpBuf);

  788.         fUiServer.writeAndFixMsg(fTmpBuf);

  789. 

  790.         plugin->getMaker(fTmpBuf);

  791.         fUiServer.writeAndFixMsg(fTmpBuf);

  792. 

  793.         plugin->getCopyright(fTmpBuf);

  794.         fUiServer.writeAndFixMsg(fTmpBuf);

  795. 

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

  797.         fUiServer.writeMsg(fTmpBuf);

  798. 

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

  800.         fUiServer.writeMsg(fTmpBuf);

  801.     }

  802. 

  803.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  804.     {

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

  806.         const ScopedLocale csl;

  807. 

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

  809. 

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

  811.         {

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

  813.             fUiServer.writeMsg(fTmpBuf);

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

  815.             fUiServer.writeMsg(fTmpBuf);

  816.         }

  817. 

  818.         uint32_t ins, outs, count;

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

  820.         count = plugin->getParameterCount();

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

  822.         fUiServer.writeMsg(fTmpBuf);

  823. 

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

  825.         {

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

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

  828. 

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

  830.             fUiServer.writeMsg(fTmpBuf);

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

  832.             fUiServer.writeMsg(fTmpBuf);

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

  834.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  836.             fUiServer.writeAndFixMsg(fTmpBuf);

  837. 

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

  839.             fUiServer.writeMsg(fTmpBuf);

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

  841.             fUiServer.writeMsg(fTmpBuf);

  842. 

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

  844.             fUiServer.writeMsg(fTmpBuf);

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

  846.             fUiServer.writeMsg(fTmpBuf);

  847.         }

  848.     }

  849. 

  850.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  851.     {

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

  853. 

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

  855. 

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

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

  858.         fUiServer.writeMsg(fTmpBuf);

  859. 

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

  861.         {

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

  863.             fUiServer.writeMsg(fTmpBuf);

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

  865.             fUiServer.writeAndFixMsg(fTmpBuf);

  866.         }

  867. 

  868.         count = plugin->getMidiProgramCount();

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

  870.         fUiServer.writeMsg(fTmpBuf);

  871. 

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

  873.         {

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

  875.             fUiServer.writeMsg(fTmpBuf);

  876. 

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

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

  879.             fUiServer.writeMsg(fTmpBuf);

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

  881.             fUiServer.writeAndFixMsg(fTmpBuf);

  882.         }

  883.     }

  884. 

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

  886.     {

  887.         if (! fIsRunning)

  888.             return;

  889.         if (! fUiServer.isOk())

  890.             return;

  891. 

  892.         CarlaPlugin* plugin;

  893. 

  894.         switch (action)

  895.         {

  896.         case ENGINE_CALLBACK_RELOAD_INFO:

  897.             plugin = getPlugin(pluginId);

  898. 

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

  900.             {

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

  902.                 uiServerSendPluginInfo(plugin);

  903.             }

  904.             break;

  905. 

  906.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  907.             plugin = getPlugin(pluginId);

  908. 

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

  910.             {

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

  912.                 uiServerSendPluginParameters(plugin);

  913.             }

  914.             break;

  915. 

  916.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  917.             plugin = getPlugin(pluginId);

  918. 

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

  920.             {

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

  922.                 uiServerSendPluginPrograms(plugin);

  923.             }

  924.             break;

  925. 

  926.         case ENGINE_CALLBACK_RELOAD_ALL:

  927.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  928.             plugin = getPlugin(pluginId);

  929. 

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

  931.             {

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

  933.                 uiServerSendPluginInfo(plugin);

  934.                 uiServerSendPluginParameters(plugin);

  935.                 uiServerSendPluginPrograms(plugin);

  936.             }

  937.             break;

  938. 

  939.         default:

  940.             break;

  941.         }

  942. 

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

  944.         const ScopedLocale csl;

  945. 

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

  947.         fUiServer.writeMsg(fTmpBuf);

  948. 

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

  950.         fUiServer.writeMsg(fTmpBuf);

  951. 

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

  953.         fUiServer.writeMsg(fTmpBuf);

  954. 

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

  956.         fUiServer.writeMsg(fTmpBuf);

  957. 

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

  959.         fUiServer.writeMsg(fTmpBuf);

  960. 

  961.         fUiServer.writeAndFixMsg(valueStr);

  962.     }

  963. 

  964.     void uiServerInfo()

  965.     {

  966.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  968. 

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

  970. 

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

  972.         fUiServer.writeAndFixMsg(carla_get_complete_license_text());

  973. 

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

  975.         fUiServer.writeAndFixMsg(carla_get_juce_version());

  976. 

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

  978.         fUiServer.writeAndFixMsg(carla_get_supported_file_extensions());

  979. 

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

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

  982.         fUiServer.writeMsg(fTmpBuf);

  983. 

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

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

  986.         fUiServer.writeMsg(fTmpBuf);

  987. 

  988.         const ScopedLocale csl;

  989. 

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

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

  992.         fUiServer.writeMsg(fTmpBuf);

  993.     }

  994. 

  995.     void uiServerOptions()

  996.     {

  997.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  999. 

  1000.         const EngineOptions& options(pData->options);

  1001.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1002. 

  1003.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1004.         fUiServer.writeMsg(fTmpBuf);

  1005.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1006.         fUiServer.writeMsg(fTmpBuf);

  1007.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1008.         fUiServer.writeMsg(fTmpBuf);

  1009. 

  1010.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1011.         fUiServer.writeMsg(fTmpBuf);

  1012.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1013.         fUiServer.writeMsg(fTmpBuf);

  1014.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1015.         fUiServer.writeMsg(fTmpBuf);

  1016. 

  1017.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1018.         fUiServer.writeMsg(fTmpBuf);

  1019.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1020.         fUiServer.writeMsg(fTmpBuf);

  1021.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.forceStereo));

  1022.         fUiServer.writeMsg(fTmpBuf);

  1023. 

  1024.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1025.         fUiServer.writeMsg(fTmpBuf);

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

  1027.         fUiServer.writeMsg(fTmpBuf);

  1028.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.preferPluginBridges));

  1029.         fUiServer.writeMsg(fTmpBuf);

  1030. 

  1031.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1032.         fUiServer.writeMsg(fTmpBuf);

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

  1034.         fUiServer.writeMsg(fTmpBuf);

  1035.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.preferUiBridges));

  1036.         fUiServer.writeMsg(fTmpBuf);

  1037. 

  1038.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1039.         fUiServer.writeMsg(fTmpBuf);

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

  1041.         fUiServer.writeMsg(fTmpBuf);

  1042.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.uisAlwaysOnTop));

  1043.         fUiServer.writeMsg(fTmpBuf);

  1044. 

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

  1046.         fUiServer.writeMsg(fTmpBuf);

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

  1048.         fUiServer.writeMsg(fTmpBuf);

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

  1050.         fUiServer.writeMsg(fTmpBuf);

  1051. 

  1052.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1053.         fUiServer.writeMsg(fTmpBuf);

  1054.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1055.         fUiServer.writeMsg(fTmpBuf);

  1056.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1057.         fUiServer.writeMsg(fTmpBuf);

  1058. 

  1059.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1060.         fUiServer.writeMsg(fTmpBuf);

  1061.         std::sprintf(fTmpBuf, "%s\n", "true");

  1062.         fUiServer.writeMsg(fTmpBuf);

  1063.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1064.         fUiServer.writeMsg(fTmpBuf);

  1065. 

  1066.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1067.         fUiServer.writeMsg(fTmpBuf);

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

  1069.         fUiServer.writeMsg(fTmpBuf);

  1070.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1071.         fUiServer.writeMsg(fTmpBuf);

  1072.     }

  1073. 

  1074.     // -------------------------------------------------------------------

  1075.     // Plugin parameter calls

  1076. 

  1077.     uint32_t getParameterCount() const

  1078.     {

  1079.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1080.             return plugin->getParameterCount();

  1081. 

  1082.         return 0;

  1083.     }

  1084. 

  1085.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1086.     {

  1087.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1088.         {

  1089.             if (index < plugin->getParameterCount())

  1090.             {

  1091.                 static NativeParameter param;

  1092.                 static char strBufName[STR_MAX+1];

  1093.                 static char strBufUnit[STR_MAX+1];

  1094. 

  1095.                 const ParameterData& paramData(plugin->getParameterData(index));

  1096.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1097. 

  1098.                 plugin->getParameterName(index, strBufName);

  1099.                 plugin->getParameterUnit(index, strBufUnit);

  1100. 

  1101.                 uint hints = 0x0;

  1102. 

  1103.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1104.                     hints |= ::PARAMETER_IS_BOOLEAN;

  1105.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1106.                     hints |= ::PARAMETER_IS_INTEGER;

  1107.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1108.                     hints |= ::PARAMETER_IS_LOGARITHMIC;

  1109.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1110.                     hints |= ::PARAMETER_IS_AUTOMABLE;

  1111.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1112.                     hints |= ::PARAMETER_USES_SAMPLE_RATE;

  1113.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1114.                     hints |= ::PARAMETER_USES_SCALEPOINTS;

  1115.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1116.                     hints |= ::PARAMETER_USES_CUSTOM_TEXT;

  1117. 

  1118.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1119.                 {

  1120.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1121.                         hints |= ::PARAMETER_IS_ENABLED;

  1122.                     if (paramData.type == PARAMETER_OUTPUT)

  1123.                         hints |= ::PARAMETER_IS_OUTPUT;

  1124.                 }

  1125. 

  1126.                 param.hints = static_cast<NativeParameterHints>(hints);

  1127.                 param.name  = strBufName;

  1128.                 param.unit  = strBufUnit;

  1129.                 param.ranges.def = paramRanges.def;

  1130.                 param.ranges.min = paramRanges.min;

  1131.                 param.ranges.max = paramRanges.max;

  1132.                 param.ranges.step = paramRanges.step;

  1133.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1134.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1135.                 param.scalePointCount = 0; // TODO

  1136.                 param.scalePoints = nullptr;

  1137. 

  1138.                 return &param;

  1139.             }

  1140.         }

  1141. 

  1142.         return nullptr;

  1143.     }

  1144. 

  1145.     float getParameterValue(const uint32_t index) const

  1146.     {

  1147.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1148.         {

  1149.             if (index < plugin->getParameterCount())

  1150.                 return plugin->getParameterValue(index);

  1151.         }

  1152. 

  1153.         return 0.0f;

  1154.     }

  1155. 

  1156.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1157.     {

  1158.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1159.         {

  1160.             if (index < plugin->getParameterCount())

  1161.             {

  1162.                 static char strBuf[STR_MAX+1];

  1163.                 carla_zeroChar(strBuf, STR_MAX+1);

  1164. 

  1165.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1166. 

  1167.                 return strBuf;

  1168.             }

  1169.         }

  1170. 

  1171.         return nullptr;

  1172.     }

  1173. 

  1174.     // -------------------------------------------------------------------

  1175.     // Plugin midi-program calls

  1176. 

  1177.     uint32_t getMidiProgramCount() const

  1178.     {

  1179.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1180.             return plugin->getMidiProgramCount();

  1181. 

  1182.         return 0;

  1183.     }

  1184. 

  1185.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1186.     {

  1187.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1188.         {

  1189.             if (index < plugin->getMidiProgramCount())

  1190.             {

  1191.                 static NativeMidiProgram midiProg;

  1192. 

  1193.                 {

  1194.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1195. 

  1196.                     midiProg.bank    = midiProgData.bank;

  1197.                     midiProg.program = midiProgData.program;

  1198.                     midiProg.name    = midiProgData.name;

  1199.                 }

  1200. 

  1201.                 return &midiProg;

  1202.             }

  1203.         }

  1204. 

  1205.         return nullptr;

  1206.     }

  1207. 

  1208.     // -------------------------------------------------------------------

  1209.     // Plugin state calls

  1210. 

  1211.     void setParameterValue(const uint32_t index, const float value)

  1212.     {

  1213.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1214.         {

  1215.             if (index < plugin->getParameterCount())

  1216.                 plugin->setParameterValue(index, value, false, false, false);

  1217.         }

  1218.     }

  1219. 

  1220.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1221.     {

  1222.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1223.             plugin->setMidiProgramById(bank, program, false, false, false);

  1224.     }

  1225. 

  1226.     // -------------------------------------------------------------------

  1227.     // Plugin process calls

  1228. 

  1229.     void activate()

  1230.     {

  1231. #if 0

  1232.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1233.         {

  1234.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1235. 

  1236.             if (plugin == nullptr || ! plugin->isEnabled())

  1237.                 continue;

  1238. 

  1239.             plugin->setActive(true, true, false);

  1240.         }

  1241. #endif

  1242.         fIsActive = true;

  1243.     }

  1244. 

  1245.     void deactivate()

  1246.     {

  1247.         fIsActive = false;

  1248. #if 0

  1249.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1250.         {

  1251.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1252. 

  1253.             if (plugin == nullptr || ! plugin->isEnabled())

  1254.                 continue;

  1255. 

  1256.             plugin->setActive(false, true, false);

  1257.         }

  1258. #endif

  1259. 

  1260.         // just in case

  1261.         //runPendingRtEvents();

  1262.     }

  1263. 

  1264.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1265.     {

  1266.         const PendingRtEventsRunner prt(this);

  1267. 

  1268.         // ---------------------------------------------------------------

  1269.         // Time Info

  1270. 

  1271.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1272. 

  1273.         pData->timeInfo.playing = timeInfo->playing;

  1274.         pData->timeInfo.frame   = timeInfo->frame;

  1275.         pData->timeInfo.usecs   = timeInfo->usecs;

  1276.         pData->timeInfo.valid   = 0x0;

  1277. 

  1278.         if (timeInfo->bbt.valid)

  1279.         {

  1280.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1281. 

  1282.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1283.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1284.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1285.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1286. 

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

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

  1289. 

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

  1291.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1292.         }

  1293. 

  1294.         // ---------------------------------------------------------------

  1295.         // Do nothing if no plugins and rack mode

  1296. 

  1297.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1298.         {

  1299.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1300.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1301.             return;

  1302.         }

  1303. 

  1304.         // ---------------------------------------------------------------

  1305.         // initialize events

  1306. 

  1307.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1308.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1309. 

  1310.         // ---------------------------------------------------------------

  1311.         // events input (before processing)

  1312. 

  1313.         {

  1314.             uint32_t engineEventIndex = 0;

  1315. 

  1316.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1317.             {

  1318.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1319.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1320. 

  1321.                 engineEvent.time = midiEvent.time;

  1322.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1323. 

  1324.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1325.                     break;

  1326.             }

  1327.         }

  1328. 

  1329.         if (kIsPatchbay)

  1330.         {

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

  1332.             // process

  1333. 

  1334.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1335.         }

  1336.         else

  1337.         {

  1338.             // -----------------------------------------------------------

  1339.             // create audio buffers

  1340. 

  1341.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1342.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1343. 

  1344.             // -----------------------------------------------------------

  1345.             // process

  1346. 

  1347.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1348.         }

  1349. 

  1350.         // ---------------------------------------------------------------

  1351.         // events output (after processing)

  1352. 

  1353.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1354. 

  1355.         {

  1356.             NativeMidiEvent midiEvent;

  1357. 

  1358.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1359.             {

  1360.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1361. 

  1362.                 if (engineEvent.type == kEngineEventTypeNull)

  1363.                     break;

  1364. 

  1365.                 midiEvent.time = engineEvent.time;

  1366. 

  1367.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1368.                 {

  1369.                     midiEvent.port = 0;

  1370.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1371.                 }

  1372.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1373.                 {

  1374.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1375.                         continue;

  1376. 

  1377.                     midiEvent.port = engineEvent.midi.port;

  1378.                     midiEvent.size = engineEvent.midi.size;

  1379. 

  1380.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1381. 

  1382.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1383.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1384.                 }

  1385.                 else

  1386.                 {

  1387.                     carla_stderr("Unknown event type...");

  1388.                     continue;

  1389.                 }

  1390. 

  1391.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1392.             }

  1393.         }

  1394.     }

  1395. 

  1396.     // -------------------------------------------------------------------

  1397.     // Plugin UI calls

  1398. 

  1399.     void uiShow(const bool show)

  1400.     {

  1401.         if (show)

  1402.         {

  1403.             if (fUiServer.isOk())

  1404.                 return;

  1405. 

  1406.             CarlaString path(pHost->resourceDir);

  1407. 

  1408.             if (kIsPatchbay)

  1409.                 path += "/carla-plugin-patchbay";

  1410.             else

  1411.                 path += "/carla-plugin";

  1412. 

  1413.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1414. 

  1415.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1416.             fUiServer.start(false);

  1417. 

  1418.             uiServerInfo();

  1419.             uiServerOptions();

  1420.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1421. 

  1422.             fUiServer.show();

  1423. 

  1424.             for (uint i=0; i < pData->curPluginCount; ++i)

  1425.             {

  1426.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1427. 

  1428.                 if (plugin != nullptr && plugin->isEnabled())

  1429.                 {

  1430.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1431.                 }

  1432.             }

  1433. 

  1434.             if (kIsPatchbay)

  1435.                 patchbayRefresh(false);

  1436.         }

  1437.         else

  1438.         {

  1439.             fUiServer.stop();

  1440.         }

  1441.     }

  1442. 

  1443.     void uiIdle()

  1444.     {

  1445.         CarlaEngine::idle();

  1446.         fUiServer.idle();

  1447. 

  1448.         if (! fUiServer.isOk())

  1449.             return;

  1450. 

  1451.         {

  1452.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1453.             const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1454.             const ScopedLocale csl;

  1455. 

  1456.             // send transport

  1457.             fUiServer.writeAndFixMsg("transport");

  1458.             fUiServer.writeAndFixMsg(bool2str(timeInfo.playing));

  1459. 

  1460.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1461.             {

  1462.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1463.                 fUiServer.writeMsg(fTmpBuf);

  1464.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1465.                 fUiServer.writeMsg(fTmpBuf);

  1466.             }

  1467.             else

  1468.             {

  1469.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1470.                 fUiServer.writeMsg(fTmpBuf);

  1471.                 fUiServer.writeMsg("0.0\n");

  1472.             }

  1473. 

  1474.             // send peaks and param outputs for all plugins

  1475.             for (uint i=0; i < pData->curPluginCount; ++i)

  1476.             {

  1477.                 const EnginePluginData& plugData(pData->plugins[i]);

  1478.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1479. 

  1480.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1481.                 fUiServer.writeMsg(fTmpBuf);

  1482. 

  1483.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1484.                 fUiServer.writeMsg(fTmpBuf);

  1485. 

  1486.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1487.                 {

  1488.                     if (! plugin->isParameterOutput(j))

  1489.                         continue;

  1490. 

  1491.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1492.                     fUiServer.writeMsg(fTmpBuf);

  1493.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1494.                     fUiServer.writeMsg(fTmpBuf);

  1495.                 }

  1496.             }

  1497.         }

  1498. 

  1499.         switch (fUiServer.getAndResetUiState())

  1500.         {

  1501.         case CarlaExternalUI::UiNone:

  1502.         case CarlaExternalUI::UiShow:

  1503.             break;

  1504.         case CarlaExternalUI::UiCrashed:

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

  1506.             break;

  1507.         case CarlaExternalUI::UiHide:

  1508.             pHost->ui_closed(pHost->handle);

  1509.             fUiServer.stop();

  1510.             break;

  1511.         }

  1512.     }

  1513. 

  1514.     // -------------------------------------------------------------------

  1515.     // Plugin state calls

  1516. 

  1517.     char* getState() const

  1518.     {

  1519.         MemoryOutputStream out;

  1520.         saveProjectInternal(out);

  1521.         return strdup(out.toString().toRawUTF8());

  1522.     }

  1523. 

  1524.     void setState(const char* const data)

  1525.     {

  1526.         fOptionsForced = true;

  1527.         const String state(data);

  1528.         XmlDocument xml(state);

  1529.         loadProjectInternal(xml);

  1530.     }

  1531. 

  1532.     // -------------------------------------------------------------------

  1533. 

  1534. public:

  1535.     #define handlePtr ((CarlaEngineNative*)handle)

  1536. 

  1537.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1538.     {

  1539.         return new CarlaEngineNative(host, false);

  1540.     }

  1541. 

  1542.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1543.     {

  1544.         return new CarlaEngineNative(host, true);

  1545.     }

  1546. 

  1547.     static void _cleanup(NativePluginHandle handle)

  1548.     {

  1549.         delete handlePtr;

  1550.     }

  1551. 

  1552.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1553.     {

  1554.         return handlePtr->getParameterCount();

  1555.     }

  1556. 

  1557.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1558.     {

  1559.         return handlePtr->getParameterInfo(index);

  1560.     }

  1561. 

  1562.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1563.     {

  1564.         return handlePtr->getParameterValue(index);

  1565.     }

  1566. 

  1567.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1568.     {

  1569.         return handlePtr->getParameterText(index /*, value*/);

  1570.     }

  1571. 

  1572.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1573.     {

  1574.         return handlePtr->getMidiProgramCount();

  1575.     }

  1576. 

  1577.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1578.     {

  1579.         return handlePtr->getMidiProgramInfo(index);

  1580.     }

  1581. 

  1582.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1583.     {

  1584.         handlePtr->setParameterValue(index, value);

  1585.     }

  1586. 

  1587.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1588.     {

  1589.         handlePtr->setMidiProgram(channel, bank, program);

  1590.     }

  1591. 

  1592.     static void _ui_show(NativePluginHandle handle, bool show)

  1593.     {

  1594.         handlePtr->uiShow(show);

  1595.     }

  1596. 

  1597.     static void _ui_idle(NativePluginHandle handle)

  1598.     {

  1599.         handlePtr->uiIdle();

  1600.     }

  1601. 

  1602.     static void _activate(NativePluginHandle handle)

  1603.     {

  1604.         handlePtr->activate();

  1605.     }

  1606. 

  1607.     static void _deactivate(NativePluginHandle handle)

  1608.     {

  1609.         handlePtr->deactivate();

  1610.     }

  1611. 

  1612.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1613.     {

  1614.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1615.     }

  1616. 

  1617.     static char* _get_state(NativePluginHandle handle)

  1618.     {

  1619.         return handlePtr->getState();

  1620.     }

  1621. 

  1622.     static void _set_state(NativePluginHandle handle, const char* data)

  1623.     {

  1624.         handlePtr->setState(data);

  1625.     }

  1626. 

  1627.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1628.     {

  1629.         switch(opcode)

  1630.         {

  1631.         case PLUGIN_OPCODE_NULL:

  1632.             return 0;

  1633.         case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1634.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1635.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1636.             return 0;

  1637.         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1638.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1639.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1640.             return 0;

  1641.         case PLUGIN_OPCODE_OFFLINE_CHANGED:

  1642.             handlePtr->offlineModeChanged(value != 0);

  1643.             return 0;

  1644.         case PLUGIN_OPCODE_UI_NAME_CHANGED:

  1645.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1646.             return 0;

  1647.         }

  1648. 

  1649.         return 0;

  1650. 

  1651.         // unused

  1652.         (void)index;

  1653.         (void)ptr;

  1654.     }

  1655. 

  1656.     // -------------------------------------------------------------------

  1657. 

  1658.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1659.     {

  1660.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1661.     }

  1662. 

  1663.     // -------------------------------------------------------------------

  1664. 

  1665.     #undef handlePtr

  1666. 

  1667. private:

  1668.     const NativeHostDescriptor* const pHost;

  1669. 

  1670.     const bool kIsPatchbay; // rack if false

  1671.     bool fIsActive, fIsRunning;

  1672.     CarlaEngineNativeUI fUiServer;

  1673. 

  1674.     bool fOptionsForced;

  1675.     char fTmpBuf[STR_MAX+1];

  1676. 

  1677.     CarlaPlugin* _getFirstPlugin() const noexcept

  1678.     {

  1679.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1680.             return nullptr;

  1681. 

  1682.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1683. 

  1684.         if (plugin == nullptr || ! plugin->isEnabled())

  1685.             return nullptr;

  1686. 

  1687.         return pData->plugins[0].plugin;

  1688.     }

  1689. 

  1690.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1691. };

  1692. 

  1693. // -----------------------------------------------------------------------

  1694. 

  1695. static const NativePluginDescriptor carlaRackDesc = {

  1696.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1697.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1698.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1699.     /* audioIns  */ 2,

  1700.     /* audioOuts */ 2,

  1701.     /* midiIns   */ 1,

  1702.     /* midiOuts  */ 1,

  1703.     /* paramIns  */ 0,

  1704.     /* paramOuts */ 0,

  1705.     /* name      */ "Carla-Rack",

  1706.     /* label     */ "carlarack",

  1707.     /* maker     */ "falkTX",

  1708.     /* copyright */ "GNU GPL v2+",

  1709.     CarlaEngineNative::_instantiateRack,

  1710.     CarlaEngineNative::_cleanup,

  1711.     CarlaEngineNative::_get_parameter_count,

  1712.     CarlaEngineNative::_get_parameter_info,

  1713.     CarlaEngineNative::_get_parameter_value,

  1714.     CarlaEngineNative::_get_parameter_text,

  1715.     CarlaEngineNative::_get_midi_program_count,

  1716.     CarlaEngineNative::_get_midi_program_info,

  1717.     CarlaEngineNative::_set_parameter_value,

  1718.     CarlaEngineNative::_set_midi_program,

  1719.     /* _set_custom_data        */ nullptr,

  1720.     CarlaEngineNative::_ui_show,

  1721.     CarlaEngineNative::_ui_idle,

  1722.     /* _ui_set_parameter_value */ nullptr,

  1723.     /* _ui_set_midi_program    */ nullptr,

  1724.     /* _ui_set_custom_data     */ nullptr,

  1725.     CarlaEngineNative::_activate,

  1726.     CarlaEngineNative::_deactivate,

  1727.     CarlaEngineNative::_process,

  1728.     CarlaEngineNative::_get_state,

  1729.     CarlaEngineNative::_set_state,

  1730.     CarlaEngineNative::_dispatcher

  1731. };

  1732. 

  1733. static const NativePluginDescriptor carlaPatchbayDesc = {

  1734.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1735.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1736.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1737.     /* audioIns  */ 2,

  1738.     /* audioOuts */ 2,

  1739.     /* midiIns   */ 1,

  1740.     /* midiOuts  */ 1,

  1741.     /* paramIns  */ 0,

  1742.     /* paramOuts */ 0,

  1743.     /* name      */ "Carla-Patchbay",

  1744.     /* label     */ "carlapatchbay",

  1745.     /* maker     */ "falkTX",

  1746.     /* copyright */ "GNU GPL v2+",

  1747.     CarlaEngineNative::_instantiatePatchbay,

  1748.     CarlaEngineNative::_cleanup,

  1749.     CarlaEngineNative::_get_parameter_count,

  1750.     CarlaEngineNative::_get_parameter_info,

  1751.     CarlaEngineNative::_get_parameter_value,

  1752.     CarlaEngineNative::_get_parameter_text,

  1753.     CarlaEngineNative::_get_midi_program_count,

  1754.     CarlaEngineNative::_get_midi_program_info,

  1755.     CarlaEngineNative::_set_parameter_value,

  1756.     CarlaEngineNative::_set_midi_program,

  1757.     /* _set_custom_data        */ nullptr,

  1758.     CarlaEngineNative::_ui_show,

  1759.     CarlaEngineNative::_ui_idle,

  1760.     /* _ui_set_parameter_value */ nullptr,

  1761.     /* _ui_set_midi_program    */ nullptr,

  1762.     /* _ui_set_custom_data     */ nullptr,

  1763.     CarlaEngineNative::_activate,

  1764.     CarlaEngineNative::_deactivate,

  1765.     CarlaEngineNative::_process,

  1766.     CarlaEngineNative::_get_state,

  1767.     CarlaEngineNative::_set_state,

  1768.     CarlaEngineNative::_dispatcher

  1769. };

  1770. 

  1771. CARLA_BACKEND_END_NAMESPACE

  1772. 

  1773. // -----------------------------------------------------------------------

  1774. 

  1775. CARLA_EXPORT

  1776. void carla_register_native_plugin_carla();

  1777. 

  1778. void carla_register_native_plugin_carla()

  1779. {

  1780.     CARLA_BACKEND_USE_NAMESPACE;

  1781.     carla_register_native_plugin(&carlaRackDesc);

  1782.     carla_register_native_plugin(&carlaPatchbayDesc);

  1783. }

  1784. 

  1785. // -----------------------------------------------------------------------

  1786. 

  1787. CARLA_EXPORT

  1788. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1789. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1790. {

  1791.     // if this is called then we're running as special plugin

  1792.     gNeedsJuceHandling = true;

  1793. 

  1794.     CARLA_BACKEND_USE_NAMESPACE;

  1795.     return &carlaRackDesc;

  1796. }

  1797. 

  1798. CARLA_EXPORT

  1799. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1800. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1801. {

  1802.     // if this is called then we're running as special plugin

  1803.     gNeedsJuceHandling = true;

  1804. 

  1805.     CARLA_BACKEND_USE_NAMESPACE;

  1806.     return &carlaPatchbayDesc;

  1807. }

  1808. 

  1809. // -----------------------------------------------------------------------

  1810. // Extra stuff for linking purposes

  1811. 

  1812. #ifdef CARLA_PLUGIN_EXPORT

  1813. 

  1814. CARLA_BACKEND_START_NAMESPACE

  1815. 

  1816. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1817. 

  1818. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1819. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1820. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1821. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1822. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1823. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1824. # else

  1825. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1826. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

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

  1828. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1829. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1830. # endif

  1831. 

  1832. CARLA_BACKEND_END_NAMESPACE

  1833. 

  1834. #include "CarlaHostCommon.cpp"

  1835. #include "CarlaPluginUI.cpp"

  1836. #include "CarlaDssiUtils.cpp"

  1837. #include "CarlaStateUtils.cpp"

  1838. #include "CarlaJuceEvents.cpp"

  1839. 

  1840. #endif

  1841. 

  1842. // -----------------------------------------------------------------------