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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 < 0x5F, 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.         // set-up engine

  590.         if (kIsPatchbay)

  591.         {

  592.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  593.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  594.             pData->options.forceStereo         = false;

  595.             pData->options.preferPluginBridges = false;

  596.             pData->options.preferUiBridges     = false;

  597.             init("Carla-Patchbay");

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

  599.         }

  600.         else

  601.         {

  602.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  603.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  604.             pData->options.forceStereo         = true;

  605.             pData->options.preferPluginBridges = false;

  606.             pData->options.preferUiBridges     = false;

  607.             init("Carla-Rack");

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

  609.         }

  610. 

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

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

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

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

  615. 

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

  617. 

  618. #ifndef CARLA_PLUGIN_EXPORT

  619.         if (gNeedsJuceHandling)

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

  621.         else

  622. #endif

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

  624. 

  625.         setCallback(_ui_server_callback, this);

  626.     }

  627. 

  628.     ~CarlaEngineNative() override

  629.     {

  630.         CARLA_SAFE_ASSERT(! fIsActive);

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

  632. 

  633.         pData->aboutToClose = true;

  634.         fIsRunning = false;

  635. 

  636.         removeAllPlugins();

  637.         //runPendingRtEvents();

  638.         close();

  639. 

  640.         pData->graph.destroy();

  641. 

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

  643.             juce::shutdownJuce_GUI();

  644. 

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

  646.     }

  647. 

  648. protected:

  649.     // -------------------------------------

  650.     // CarlaEngine virtual calls

  651. 

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

  653.     {

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

  655. 

  656.         fIsRunning = true;

  657. 

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

  659.         {

  660.             close();

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

  662.             return false;

  663.         }

  664. 

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

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

  667. 

  668.         return true;

  669.     }

  670. 

  671.     bool close() override

  672.     {

  673.         fIsRunning = false;

  674.         CarlaEngine::close();

  675.         return true;

  676.     }

  677. 

  678.     bool isRunning() const noexcept override

  679.     {

  680.         return fIsRunning;

  681.     }

  682. 

  683.     bool isOffline() const noexcept override

  684.     {

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

  686.     }

  687. 

  688.     EngineType getType() const noexcept override

  689.     {

  690.         return kEngineTypePlugin;

  691.     }

  692. 

  693.     const char* getCurrentDriverName() const noexcept override

  694.     {

  695.         return "Plugin";

  696.     }

  697. 

  698.     // -------------------------------------------------------------------

  699. 

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

  701.     {

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

  703.         {

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

  705.             return retName;

  706.         }

  707. 

  708.         return nullptr;

  709.     }

  710. 

  711.     // -------------------------------------------------------------------

  712. 

  713.     void bufferSizeChanged(const uint32_t newBufferSize)

  714.     {

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

  716.             return;

  717. 

  718.         pData->bufferSize = newBufferSize;

  719.         CarlaEngine::bufferSizeChanged(newBufferSize);

  720.     }

  721. 

  722.     void sampleRateChanged(const double newSampleRate)

  723.     {

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

  725.             return;

  726. 

  727.         pData->sampleRate = newSampleRate;

  728.         CarlaEngine::sampleRateChanged(newSampleRate);

  729.     }

  730. 

  731.     // -------------------------------------------------------------------

  732. 

  733.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  734.     {

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

  736. 

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

  738. 

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

  740.         fUiServer.writeMsg(fTmpBuf);

  741. 

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

  743.         fUiServer.writeMsg(fTmpBuf);

  744. 

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

  746.         {

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

  748.             fUiServer.writeAndFixMsg(fTmpBuf);

  749.         }

  750.         else

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

  752. 

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

  754.         {

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

  756.             fUiServer.writeAndFixMsg(fTmpBuf);

  757.         }

  758.         else

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

  760. 

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

  762.         {

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

  764.             fUiServer.writeAndFixMsg(fTmpBuf);

  765.         }

  766.         else

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

  768. 

  769.         plugin->getRealName(fTmpBuf);

  770.         fUiServer.writeAndFixMsg(fTmpBuf);

  771. 

  772.         plugin->getLabel(fTmpBuf);

  773.         fUiServer.writeAndFixMsg(fTmpBuf);

  774. 

  775.         plugin->getMaker(fTmpBuf);

  776.         fUiServer.writeAndFixMsg(fTmpBuf);

  777. 

  778.         plugin->getCopyright(fTmpBuf);

  779.         fUiServer.writeAndFixMsg(fTmpBuf);

  780. 

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

  782.         fUiServer.writeMsg(fTmpBuf);

  783. 

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

  785.         fUiServer.writeMsg(fTmpBuf);

  786.     }

  787. 

  788.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  789.     {

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

  791.         const ScopedLocale csl;

  792. 

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

  794. 

  795.         uint32_t ins, outs, count;

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

  797.         count = plugin->getParameterCount();

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

  799.         fUiServer.writeMsg(fTmpBuf);

  800. 

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

  802.         {

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

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

  805. 

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

  807.             fUiServer.writeMsg(fTmpBuf);

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

  809.             fUiServer.writeMsg(fTmpBuf);

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

  811.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  813.             fUiServer.writeAndFixMsg(fTmpBuf);

  814. 

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

  816.             fUiServer.writeMsg(fTmpBuf);

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

  818.             fUiServer.writeMsg(fTmpBuf);

  819. 

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

  821.             fUiServer.writeMsg(fTmpBuf);

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

  823.             fUiServer.writeMsg(fTmpBuf);

  824.         }

  825.     }

  826. 

  827.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  828.     {

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

  830. 

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

  832. 

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

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

  835.         fUiServer.writeMsg(fTmpBuf);

  836. 

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

  838.         {

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

  840.             fUiServer.writeMsg(fTmpBuf);

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

  842.             fUiServer.writeAndFixMsg(fTmpBuf);

  843.         }

  844. 

  845.         count = plugin->getMidiProgramCount();

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

  847.         fUiServer.writeMsg(fTmpBuf);

  848. 

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

  850.         {

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

  852.             fUiServer.writeMsg(fTmpBuf);

  853. 

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

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

  856.             fUiServer.writeMsg(fTmpBuf);

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

  858.             fUiServer.writeAndFixMsg(fTmpBuf);

  859.         }

  860.     }

  861. 

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

  863.     {

  864.         if (! fIsRunning)

  865.             return;

  866.         if (! fUiServer.isOk())

  867.             return;

  868. 

  869.         CarlaPlugin* plugin;

  870. 

  871.         switch (action)

  872.         {

  873.         case ENGINE_CALLBACK_RELOAD_INFO:

  874.             plugin = getPlugin(pluginId);

  875. 

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

  877.             {

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

  879.                 uiServerSendPluginInfo(plugin);

  880.             }

  881.             break;

  882. 

  883.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  884.             plugin = getPlugin(pluginId);

  885. 

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

  887.             {

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

  889.                 uiServerSendPluginParameters(plugin);

  890.             }

  891.             break;

  892. 

  893.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  894.             plugin = getPlugin(pluginId);

  895. 

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

  897.             {

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

  899.                 uiServerSendPluginPrograms(plugin);

  900.             }

  901.             break;

  902. 

  903.         case ENGINE_CALLBACK_RELOAD_ALL:

  904.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  905.             plugin = getPlugin(pluginId);

  906. 

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

  908.             {

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

  910.                 uiServerSendPluginInfo(plugin);

  911.                 uiServerSendPluginParameters(plugin);

  912.                 uiServerSendPluginPrograms(plugin);

  913.             }

  914.             break;

  915. 

  916.         default:

  917.             break;

  918.         }

  919. 

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

  921.         const ScopedLocale csl;

  922. 

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

  924.         fUiServer.writeMsg(fTmpBuf);

  925. 

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

  927.         fUiServer.writeMsg(fTmpBuf);

  928. 

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

  930.         fUiServer.writeMsg(fTmpBuf);

  931. 

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

  933.         fUiServer.writeMsg(fTmpBuf);

  934. 

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

  936.         fUiServer.writeMsg(fTmpBuf);

  937. 

  938.         fUiServer.writeAndFixMsg(valueStr);

  939.     }

  940. 

  941.     void uiServerOptions()

  942.     {

  943.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  945. 

  946.         const EngineOptions& options(getOptions());

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

  948. 

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

  950.         fUiServer.writeMsg(fTmpBuf);

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

  952.         fUiServer.writeMsg(fTmpBuf);

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

  954.         fUiServer.writeMsg(fTmpBuf);

  955. 

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

  957.         fUiServer.writeMsg(fTmpBuf);

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

  959.         fUiServer.writeMsg(fTmpBuf);

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

  961.         fUiServer.writeMsg(fTmpBuf);

  962. 

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

  964.         fUiServer.writeMsg(fTmpBuf);

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

  966.         fUiServer.writeMsg(fTmpBuf);

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

  968.         fUiServer.writeMsg(fTmpBuf);

  969. 

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

  971.         fUiServer.writeMsg(fTmpBuf);

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

  973.         fUiServer.writeMsg(fTmpBuf);

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

  975.         fUiServer.writeMsg(fTmpBuf);

  976. 

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

  978.         fUiServer.writeMsg(fTmpBuf);

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

  980.         fUiServer.writeMsg(fTmpBuf);

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

  982.         fUiServer.writeMsg(fTmpBuf);

  983. 

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

  985.         fUiServer.writeMsg(fTmpBuf);

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

  987.         fUiServer.writeMsg(fTmpBuf);

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

  989.         fUiServer.writeMsg(fTmpBuf);

  990. 

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

  992.         fUiServer.writeMsg(fTmpBuf);

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

  994.         fUiServer.writeMsg(fTmpBuf);

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

  996.         fUiServer.writeMsg(fTmpBuf);

  997. 

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

  999.         fUiServer.writeMsg(fTmpBuf);

  1000.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1001.         fUiServer.writeMsg(fTmpBuf);

  1002.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1003.         fUiServer.writeMsg(fTmpBuf);

  1004. 

  1005.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1006.         fUiServer.writeMsg(fTmpBuf);

  1007.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1008.         fUiServer.writeMsg(fTmpBuf);

  1009.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1010.         fUiServer.writeMsg(fTmpBuf);

  1011. 

  1012.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1013.         fUiServer.writeMsg(fTmpBuf);

  1014.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1015.         fUiServer.writeMsg(fTmpBuf);

  1016.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1017.         fUiServer.writeMsg(fTmpBuf);

  1018.     }

  1019. 

  1020.     // -------------------------------------------------------------------

  1021.     // Plugin parameter calls

  1022. 

  1023.     uint32_t getParameterCount() const

  1024.     {

  1025.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1026.             return plugin->getParameterCount();

  1027. 

  1028.         return 0;

  1029.     }

  1030. 

  1031.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1032.     {

  1033.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1034.         {

  1035.             if (index < plugin->getParameterCount())

  1036.             {

  1037.                 static NativeParameter param;

  1038.                 static char strBufName[STR_MAX+1];

  1039.                 static char strBufUnit[STR_MAX+1];

  1040. 

  1041.                 const ParameterData& paramData(plugin->getParameterData(index));

  1042.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1043. 

  1044.                 plugin->getParameterName(index, strBufName);

  1045.                 plugin->getParameterUnit(index, strBufUnit);

  1046. 

  1047.                 uint hints = 0x0;

  1048. 

  1049.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1050.                     hints |= ::PARAMETER_IS_BOOLEAN;

  1051.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1052.                     hints |= ::PARAMETER_IS_INTEGER;

  1053.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1054.                     hints |= ::PARAMETER_IS_LOGARITHMIC;

  1055.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1056.                     hints |= ::PARAMETER_IS_AUTOMABLE;

  1057.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1058.                     hints |= ::PARAMETER_USES_SAMPLE_RATE;

  1059.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1060.                     hints |= ::PARAMETER_USES_SCALEPOINTS;

  1061.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1062.                     hints |= ::PARAMETER_USES_CUSTOM_TEXT;

  1063. 

  1064.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1065.                 {

  1066.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1067.                         hints |= ::PARAMETER_IS_ENABLED;

  1068.                     if (paramData.type == PARAMETER_OUTPUT)

  1069.                         hints |= ::PARAMETER_IS_OUTPUT;

  1070.                 }

  1071. 

  1072.                 param.hints = static_cast<NativeParameterHints>(hints);

  1073.                 param.name  = strBufName;

  1074.                 param.unit  = strBufUnit;

  1075.                 param.ranges.def = paramRanges.def;

  1076.                 param.ranges.min = paramRanges.min;

  1077.                 param.ranges.max = paramRanges.max;

  1078.                 param.ranges.step = paramRanges.step;

  1079.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1080.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1081.                 param.scalePointCount = 0; // TODO

  1082.                 param.scalePoints = nullptr;

  1083. 

  1084.                 return &param;

  1085.             }

  1086.         }

  1087. 

  1088.         return nullptr;

  1089.     }

  1090. 

  1091.     float getParameterValue(const uint32_t index) const

  1092.     {

  1093.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1094.         {

  1095.             if (index < plugin->getParameterCount())

  1096.                 return plugin->getParameterValue(index);

  1097.         }

  1098. 

  1099.         return 0.0f;

  1100.     }

  1101. 

  1102.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1103.     {

  1104.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1105.         {

  1106.             if (index < plugin->getParameterCount())

  1107.             {

  1108.                 static char strBuf[STR_MAX+1];

  1109.                 carla_zeroChar(strBuf, STR_MAX+1);

  1110. 

  1111.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1112. 

  1113.                 return strBuf;

  1114.             }

  1115.         }

  1116. 

  1117.         return nullptr;

  1118.     }

  1119. 

  1120.     // -------------------------------------------------------------------

  1121.     // Plugin midi-program calls

  1122. 

  1123.     uint32_t getMidiProgramCount() const

  1124.     {

  1125.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1126.             return plugin->getMidiProgramCount();

  1127. 

  1128.         return 0;

  1129.     }

  1130. 

  1131.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1132.     {

  1133.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1134.         {

  1135.             if (index < plugin->getMidiProgramCount())

  1136.             {

  1137.                 static NativeMidiProgram midiProg;

  1138. 

  1139.                 {

  1140.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1141. 

  1142.                     midiProg.bank    = midiProgData.bank;

  1143.                     midiProg.program = midiProgData.program;

  1144.                     midiProg.name    = midiProgData.name;

  1145.                 }

  1146. 

  1147.                 return &midiProg;

  1148.             }

  1149.         }

  1150. 

  1151.         return nullptr;

  1152.     }

  1153. 

  1154.     // -------------------------------------------------------------------

  1155.     // Plugin state calls

  1156. 

  1157.     void setParameterValue(const uint32_t index, const float value)

  1158.     {

  1159.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1160.         {

  1161.             if (index < plugin->getParameterCount())

  1162.                 plugin->setParameterValue(index, value, false, false, false);

  1163.         }

  1164.     }

  1165. 

  1166.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1167.     {

  1168.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1169.             plugin->setMidiProgramById(bank, program, false, false, false);

  1170.     }

  1171. 

  1172.     // -------------------------------------------------------------------

  1173.     // Plugin process calls

  1174. 

  1175.     void activate()

  1176.     {

  1177. #if 0

  1178.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1179.         {

  1180.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1181. 

  1182.             if (plugin == nullptr || ! plugin->isEnabled())

  1183.                 continue;

  1184. 

  1185.             plugin->setActive(true, true, false);

  1186.         }

  1187. #endif

  1188.         fIsActive = true;

  1189.     }

  1190. 

  1191.     void deactivate()

  1192.     {

  1193.         fIsActive = false;

  1194. #if 0

  1195.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1196.         {

  1197.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1198. 

  1199.             if (plugin == nullptr || ! plugin->isEnabled())

  1200.                 continue;

  1201. 

  1202.             plugin->setActive(false, true, false);

  1203.         }

  1204. #endif

  1205. 

  1206.         // just in case

  1207.         //runPendingRtEvents();

  1208.     }

  1209. 

  1210.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1211.     {

  1212.         const PendingRtEventsRunner prt(this);

  1213. 

  1214.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1215.         {

  1216.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1217.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1218.             return;

  1219.         }

  1220. 

  1221.         // ---------------------------------------------------------------

  1222.         // Time Info

  1223. 

  1224.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1225. 

  1226.         pData->timeInfo.playing = timeInfo->playing;

  1227.         pData->timeInfo.frame   = timeInfo->frame;

  1228.         pData->timeInfo.usecs   = timeInfo->usecs;

  1229.         pData->timeInfo.valid   = 0x0;

  1230. 

  1231.         if (timeInfo->bbt.valid)

  1232.         {

  1233.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1234. 

  1235.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1236.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1237.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1238.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1239. 

  1240.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1241.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1242. 

  1243.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1244.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1245.         }

  1246. 

  1247.         // ---------------------------------------------------------------

  1248.         // initialize events

  1249. 

  1250.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1251.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1252. 

  1253.         // ---------------------------------------------------------------

  1254.         // events input (before processing)

  1255. 

  1256.         {

  1257.             uint32_t engineEventIndex = 0;

  1258. 

  1259.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1260.             {

  1261.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1262.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1263. 

  1264.                 engineEvent.time = midiEvent.time;

  1265.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1266. 

  1267.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1268.                     break;

  1269.             }

  1270.         }

  1271. 

  1272.         if (kIsPatchbay)

  1273.         {

  1274.             // -----------------------------------------------------------

  1275.             // process

  1276. 

  1277.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1278.         }

  1279.         else

  1280.         {

  1281.             // -----------------------------------------------------------

  1282.             // create audio buffers

  1283. 

  1284.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1285.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1286. 

  1287.             // -----------------------------------------------------------

  1288.             // process

  1289. 

  1290.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1291.         }

  1292. 

  1293.         // ---------------------------------------------------------------

  1294.         // events output (after processing)

  1295. 

  1296.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1297. 

  1298.         {

  1299.             NativeMidiEvent midiEvent;

  1300. 

  1301.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1302.             {

  1303.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1304. 

  1305.                 if (engineEvent.type == kEngineEventTypeNull)

  1306.                     break;

  1307. 

  1308.                 midiEvent.time = engineEvent.time;

  1309. 

  1310.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1311.                 {

  1312.                     midiEvent.port = 0;

  1313.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1314.                 }

  1315.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1316.                 {

  1317.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1318.                         continue;

  1319. 

  1320.                     midiEvent.port = engineEvent.midi.port;

  1321.                     midiEvent.size = engineEvent.midi.size;

  1322. 

  1323.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1324. 

  1325.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1326.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1327.                 }

  1328.                 else

  1329.                 {

  1330.                     carla_stderr("Unknown event type...");

  1331.                     continue;

  1332.                 }

  1333. 

  1334.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1335.             }

  1336.         }

  1337.     }

  1338. 

  1339.     // -------------------------------------------------------------------

  1340.     // Plugin UI calls

  1341. 

  1342.     void uiShow(const bool show)

  1343.     {

  1344.         if (show)

  1345.         {

  1346.             if (fUiServer.isOk())

  1347.                 return;

  1348. 

  1349.             CarlaString path(pHost->resourceDir);

  1350. 

  1351.             if (kIsPatchbay)

  1352.                 path += "/carla-plugin-patchbay";

  1353.             else

  1354.                 path += "/carla-plugin";

  1355. 

  1356.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1357. 

  1358.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1359.             fUiServer.start(false);

  1360. 

  1361.             uiServerOptions();

  1362. 

  1363.             fUiServer.show();

  1364. 

  1365.             for (uint i=0; i < pData->curPluginCount; ++i)

  1366.             {

  1367.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1368. 

  1369.                 if (plugin != nullptr && plugin->isEnabled())

  1370.                 {

  1371.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1372.                 }

  1373.             }

  1374. 

  1375.             if (kIsPatchbay)

  1376.                 patchbayRefresh(false);

  1377.         }

  1378.         else

  1379.         {

  1380.             fUiServer.stop();

  1381.         }

  1382.     }

  1383. 

  1384.     void uiIdle()

  1385.     {

  1386.         CarlaEngine::idle();

  1387.         fUiServer.idle();

  1388. 

  1389.         if (! fUiServer.isOk())

  1390.             return;

  1391. 

  1392.         {

  1393.             const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1394.             const ScopedLocale csl;

  1395. 

  1396.             for (uint i=0; i < pData->curPluginCount; ++i)

  1397.             {

  1398.                 const EnginePluginData& plugData(pData->plugins[i]);

  1399.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1400. 

  1401.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1402.                 fUiServer.writeMsg(fTmpBuf);

  1403. 

  1404.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1405.                 fUiServer.writeMsg(fTmpBuf);

  1406. 

  1407.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1408.                 {

  1409.                     if (! plugin->isParameterOutput(j))

  1410.                         continue;

  1411. 

  1412.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1413.                     fUiServer.writeMsg(fTmpBuf);

  1414.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1415.                     fUiServer.writeMsg(fTmpBuf);

  1416.                 }

  1417.             }

  1418.         }

  1419. 

  1420.         switch (fUiServer.getAndResetUiState())

  1421.         {

  1422.         case CarlaExternalUI::UiNone:

  1423.         case CarlaExternalUI::UiShow:

  1424.             break;

  1425.         case CarlaExternalUI::UiCrashed:

  1426.             pHost->dispatcher(pHost->handle, HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1427.             break;

  1428.         case CarlaExternalUI::UiHide:

  1429.             pHost->ui_closed(pHost->handle);

  1430.             fUiServer.stop();

  1431.             break;

  1432.         }

  1433.     }

  1434. 

  1435.     // -------------------------------------------------------------------

  1436.     // Plugin state calls

  1437. 

  1438.     char* getState() const

  1439.     {

  1440.         MemoryOutputStream out;

  1441.         saveProjectInternal(out);

  1442.         return strdup(out.toString().toRawUTF8());

  1443.     }

  1444. 

  1445.     void setState(const char* const data)

  1446.     {

  1447.         fOptionsForced = true;

  1448.         const String state(data);

  1449.         XmlDocument xml(state);

  1450.         loadProjectInternal(xml);

  1451.     }

  1452. 

  1453.     // -------------------------------------------------------------------

  1454. 

  1455. public:

  1456.     #define handlePtr ((CarlaEngineNative*)handle)

  1457. 

  1458.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1459.     {

  1460.         return new CarlaEngineNative(host, false);

  1461.     }

  1462. 

  1463.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1464.     {

  1465.         return new CarlaEngineNative(host, true);

  1466.     }

  1467. 

  1468.     static void _cleanup(NativePluginHandle handle)

  1469.     {

  1470.         delete handlePtr;

  1471.     }

  1472. 

  1473.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1474.     {

  1475.         return handlePtr->getParameterCount();

  1476.     }

  1477. 

  1478.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1479.     {

  1480.         return handlePtr->getParameterInfo(index);

  1481.     }

  1482. 

  1483.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1484.     {

  1485.         return handlePtr->getParameterValue(index);

  1486.     }

  1487. 

  1488.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1489.     {

  1490.         return handlePtr->getParameterText(index /*, value*/);

  1491.     }

  1492. 

  1493.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1494.     {

  1495.         return handlePtr->getMidiProgramCount();

  1496.     }

  1497. 

  1498.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1499.     {

  1500.         return handlePtr->getMidiProgramInfo(index);

  1501.     }

  1502. 

  1503.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1504.     {

  1505.         handlePtr->setParameterValue(index, value);

  1506.     }

  1507. 

  1508.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1509.     {

  1510.         handlePtr->setMidiProgram(channel, bank, program);

  1511.     }

  1512. 

  1513.     static void _ui_show(NativePluginHandle handle, bool show)

  1514.     {

  1515.         handlePtr->uiShow(show);

  1516.     }

  1517. 

  1518.     static void _ui_idle(NativePluginHandle handle)

  1519.     {

  1520.         handlePtr->uiIdle();

  1521.     }

  1522. 

  1523.     static void _activate(NativePluginHandle handle)

  1524.     {

  1525.         handlePtr->activate();

  1526.     }

  1527. 

  1528.     static void _deactivate(NativePluginHandle handle)

  1529.     {

  1530.         handlePtr->deactivate();

  1531.     }

  1532. 

  1533.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1534.     {

  1535.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1536.     }

  1537. 

  1538.     static char* _get_state(NativePluginHandle handle)

  1539.     {

  1540.         return handlePtr->getState();

  1541.     }

  1542. 

  1543.     static void _set_state(NativePluginHandle handle, const char* data)

  1544.     {

  1545.         handlePtr->setState(data);

  1546.     }

  1547. 

  1548.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1549.     {

  1550.         switch(opcode)

  1551.         {

  1552.         case PLUGIN_OPCODE_NULL:

  1553.             return 0;

  1554.         case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1555.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1556.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1557.             return 0;

  1558.         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1559.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1560.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1561.             return 0;

  1562.         case PLUGIN_OPCODE_OFFLINE_CHANGED:

  1563.             handlePtr->offlineModeChanged(value != 0);

  1564.             return 0;

  1565.         case PLUGIN_OPCODE_UI_NAME_CHANGED:

  1566.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1567.             return 0;

  1568.         }

  1569. 

  1570.         return 0;

  1571. 

  1572.         // unused

  1573.         (void)index;

  1574.         (void)ptr;

  1575.     }

  1576. 

  1577.     // -------------------------------------------------------------------

  1578. 

  1579.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1580.     {

  1581.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1582.     }

  1583. 

  1584.     // -------------------------------------------------------------------

  1585. 

  1586.     #undef handlePtr

  1587. 

  1588. private:

  1589.     const NativeHostDescriptor* const pHost;

  1590. 

  1591.     const bool kIsPatchbay; // rack if false

  1592.     bool fIsActive, fIsRunning;

  1593.     CarlaEngineNativeUI fUiServer;

  1594. 

  1595.     bool fOptionsForced;

  1596.     char fTmpBuf[STR_MAX+1];

  1597. 

  1598.     CarlaPlugin* _getFirstPlugin() const noexcept

  1599.     {

  1600.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1601.             return nullptr;

  1602. 

  1603.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1604. 

  1605.         if (plugin == nullptr || ! plugin->isEnabled())

  1606.             return nullptr;

  1607. 

  1608.         return pData->plugins[0].plugin;

  1609.     }

  1610. 

  1611.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1612. };

  1613. 

  1614. // -----------------------------------------------------------------------

  1615. 

  1616. static const NativePluginDescriptor carlaRackDesc = {

  1617.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1618.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1619.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1620.     /* audioIns  */ 2,

  1621.     /* audioOuts */ 2,

  1622.     /* midiIns   */ 1,

  1623.     /* midiOuts  */ 1,

  1624.     /* paramIns  */ 0,

  1625.     /* paramOuts */ 0,

  1626.     /* name      */ "Carla-Rack",

  1627.     /* label     */ "carlarack",

  1628.     /* maker     */ "falkTX",

  1629.     /* copyright */ "GNU GPL v2+",

  1630.     CarlaEngineNative::_instantiateRack,

  1631.     CarlaEngineNative::_cleanup,

  1632.     CarlaEngineNative::_get_parameter_count,

  1633.     CarlaEngineNative::_get_parameter_info,

  1634.     CarlaEngineNative::_get_parameter_value,

  1635.     CarlaEngineNative::_get_parameter_text,

  1636.     CarlaEngineNative::_get_midi_program_count,

  1637.     CarlaEngineNative::_get_midi_program_info,

  1638.     CarlaEngineNative::_set_parameter_value,

  1639.     CarlaEngineNative::_set_midi_program,

  1640.     /* _set_custom_data        */ nullptr,

  1641.     CarlaEngineNative::_ui_show,

  1642.     CarlaEngineNative::_ui_idle,

  1643.     /* _ui_set_parameter_value */ nullptr,

  1644.     /* _ui_set_midi_program    */ nullptr,

  1645.     /* _ui_set_custom_data     */ nullptr,

  1646.     CarlaEngineNative::_activate,

  1647.     CarlaEngineNative::_deactivate,

  1648.     CarlaEngineNative::_process,

  1649.     CarlaEngineNative::_get_state,

  1650.     CarlaEngineNative::_set_state,

  1651.     CarlaEngineNative::_dispatcher

  1652. };

  1653. 

  1654. static const NativePluginDescriptor carlaPatchbayDesc = {

  1655.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1656.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1657.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1658.     /* audioIns  */ 2,

  1659.     /* audioOuts */ 2,

  1660.     /* midiIns   */ 1,

  1661.     /* midiOuts  */ 1,

  1662.     /* paramIns  */ 0,

  1663.     /* paramOuts */ 0,

  1664.     /* name      */ "Carla-Patchbay",

  1665.     /* label     */ "carlapatchbay",

  1666.     /* maker     */ "falkTX",

  1667.     /* copyright */ "GNU GPL v2+",

  1668.     CarlaEngineNative::_instantiatePatchbay,

  1669.     CarlaEngineNative::_cleanup,

  1670.     CarlaEngineNative::_get_parameter_count,

  1671.     CarlaEngineNative::_get_parameter_info,

  1672.     CarlaEngineNative::_get_parameter_value,

  1673.     CarlaEngineNative::_get_parameter_text,

  1674.     CarlaEngineNative::_get_midi_program_count,

  1675.     CarlaEngineNative::_get_midi_program_info,

  1676.     CarlaEngineNative::_set_parameter_value,

  1677.     CarlaEngineNative::_set_midi_program,

  1678.     /* _set_custom_data        */ nullptr,

  1679.     CarlaEngineNative::_ui_show,

  1680.     CarlaEngineNative::_ui_idle,

  1681.     /* _ui_set_parameter_value */ nullptr,

  1682.     /* _ui_set_midi_program    */ nullptr,

  1683.     /* _ui_set_custom_data     */ nullptr,

  1684.     CarlaEngineNative::_activate,

  1685.     CarlaEngineNative::_deactivate,

  1686.     CarlaEngineNative::_process,

  1687.     CarlaEngineNative::_get_state,

  1688.     CarlaEngineNative::_set_state,

  1689.     CarlaEngineNative::_dispatcher

  1690. };

  1691. 

  1692. CARLA_BACKEND_END_NAMESPACE

  1693. 

  1694. // -----------------------------------------------------------------------

  1695. 

  1696. CARLA_EXPORT

  1697. void carla_register_native_plugin_carla();

  1698. 

  1699. void carla_register_native_plugin_carla()

  1700. {

  1701.     CARLA_BACKEND_USE_NAMESPACE;

  1702.     carla_register_native_plugin(&carlaRackDesc);

  1703.     carla_register_native_plugin(&carlaPatchbayDesc);

  1704. }

  1705. 

  1706. // -----------------------------------------------------------------------

  1707. 

  1708. CARLA_EXPORT

  1709. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1710. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1711. {

  1712.     // if this is called then we're running as special plugin

  1713.     gNeedsJuceHandling = true;

  1714. 

  1715.     CARLA_BACKEND_USE_NAMESPACE;

  1716.     return &carlaRackDesc;

  1717. }

  1718. 

  1719. CARLA_EXPORT

  1720. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1721. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1722. {

  1723.     // if this is called then we're running as special plugin

  1724.     gNeedsJuceHandling = true;

  1725. 

  1726.     CARLA_BACKEND_USE_NAMESPACE;

  1727.     return &carlaPatchbayDesc;

  1728. }

  1729. 

  1730. // -----------------------------------------------------------------------

  1731. // Extra stuff for linking purposes

  1732. 

  1733. #ifdef CARLA_PLUGIN_EXPORT

  1734. 

  1735. CARLA_BACKEND_START_NAMESPACE

  1736. 

  1737. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1738. 

  1739. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1740. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1741. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1742. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1743. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1744. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1745. # else

  1746. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1747. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  1748. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  1749. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1750. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1751. # endif

  1752. 

  1753. CARLA_BACKEND_END_NAMESPACE

  1754. 

  1755. #include "CarlaPluginUI.cpp"

  1756. #include "CarlaDssiUtils.cpp"

  1757. #include "CarlaStateUtils.cpp"

  1758. #include "CarlaJuceEvents.cpp"

  1759. 

  1760. #endif

  1761. 

  1762. // -----------------------------------------------------------------------