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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 "CarlaMathUtils.hpp"

  32. #include "CarlaStateUtils.hpp"

  33. 

  34. #include "CarlaExternalUI.hpp"

  35. #include "CarlaNative.hpp"

  36. 

  37. #include "juce_audio_basics.h"

  38. 

  39. using juce::FloatVectorOperations;

  40. using juce::MemoryOutputStream;

  41. using juce::ScopedPointer;

  42. using juce::String;

  43. using juce::XmlDocument;

  44. using juce::XmlElement;

  45. 

  46. CARLA_BACKEND_START_NAMESPACE

  47. 

  48. #if 0

  49. } // Fix editor indentation

  50. #endif

  51. 

  52. // -----------------------------------------------------------------------

  53. 

  54. class CarlaEngineNativeUI : public CarlaExternalUI

  55. {

  56. public:

  57.     CarlaEngineNativeUI(CarlaEngine* const engine)

  58.         : fEngine(engine)

  59.     {

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

  61.     }

  62. 

  63.     ~CarlaEngineNativeUI() override

  64.     {

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

  66.     }

  67. 

  68.     CarlaMutex& getWriteLock() noexcept

  69.     {

  70.         return fWriteLock;

  71.     }

  72. 

  73. protected:

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

  75.     {

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

  77.             return true;

  78. 

  79.         bool ok = true;

  80. 

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

  82.         {

  83.             uint32_t option;

  84.             int32_t value;

  85.             const char* valueStr;

  86. 

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

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

  89.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(valueStr), true);

  90. 

  91.             try {

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

  93.             } catch(...) {}

  94. 

  95.             delete[] valueStr;

  96.         }

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

  98.         {

  99.             const char* filename;

  100. 

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

  102. 

  103.             try {

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

  105.             } catch(...) {}

  106. 

  107.             delete[] filename;

  108.         }

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

  110.         {

  111.             const char* filename;

  112. 

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

  114. 

  115.             try {

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

  117.             } catch(...) {}

  118. 

  119.             delete[] filename;

  120.         }

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

  122.         {

  123.             const char* filename;

  124. 

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

  126. 

  127.             try {

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

  129.             } catch(...) {}

  130. 

  131.             delete[] filename;

  132.         }

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

  134.         {

  135.             uint32_t groupA, portA, groupB, portB;

  136. 

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

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

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

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

  141. 

  142.             try {

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

  144.             } catch(...) {}

  145.         }

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

  147.         {

  148.             uint32_t connectionId;

  149. 

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

  151. 

  152.             try {

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

  154.             } catch(...) {}

  155.         }

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

  157.         {

  158.             try {

  159.                 ok = fEngine->patchbayRefresh();

  160.             } catch(...) {}

  161.         }

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

  163.         {

  164.             fEngine->transportPlay();

  165.         }

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

  167.         {

  168.             fEngine->transportPause();

  169.         }

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

  171.         {

  172.             uint64_t frame;

  173. 

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

  175. 

  176.             fEngine->transportRelocate(frame);

  177.         }

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

  179.         {

  180.             uint32_t btype, ptype;

  181.             const char* filename = nullptr;

  182.             const char* name;

  183.             const char* label;

  184.             int64_t uniqueId;

  185. 

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

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

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

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

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

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

  192. 

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

  194.             {

  195.                 delete[] filename;

  196.                 filename = nullptr;

  197.             }

  198. 

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

  200.             {

  201.                 delete[] name;

  202.                 name = nullptr;

  203.             }

  204. 

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

  206. 

  207.             if (filename != nullptr)

  208.                 delete[] filename;

  209.             if (name != nullptr)

  210.                 delete[] name;

  211.             delete[] label;

  212.         }

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

  214.         {

  215.             uint32_t pluginId;

  216. 

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

  218. 

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

  220.         }

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

  222.         {

  223.             ok = fEngine->removeAllPlugins();

  224.         }

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

  226.         {

  227.             uint32_t pluginId;

  228.             const char* newName;

  229. 

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

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

  232. 

  233.             // TODO

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

  235. 

  236.             delete[] newName;

  237.         }

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

  239.         {

  240.             uint32_t pluginId;

  241. 

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

  243. 

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

  245.         }

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

  247.         {

  248.             uint32_t pluginId;

  249. 

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

  251. 

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

  253.         }

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

  255.         {

  256.             uint32_t pluginIdA, pluginIdB;

  257. 

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

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

  260. 

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

  262.         }

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

  264.         {

  265.             uint32_t pluginId;

  266.             const char* filename;

  267. 

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

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

  270. 

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

  272.                 plugin->loadStateFromFile(filename);

  273. 

  274.             delete[] filename;

  275.         }

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

  277.         {

  278.             uint32_t pluginId;

  279.             const char* filename;

  280. 

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

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

  283. 

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

  285.                 plugin->saveStateToFile(filename);

  286. 

  287.             delete[] filename;

  288.         }

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

  290.         {

  291.             uint32_t pluginId, option;

  292.             bool yesNo;

  293. 

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

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

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

  297. 

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

  299.                 plugin->setOption(option, yesNo);

  300.         }

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

  302.         {

  303.             uint32_t pluginId;

  304.             bool onOff;

  305. 

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

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

  308. 

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

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

  311.         }

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

  313.         {

  314.             uint32_t pluginId;

  315.             float value;

  316. 

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

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

  319. 

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

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

  322.         }

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

  324.         {

  325.             uint32_t pluginId;

  326.             float value;

  327. 

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

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

  330. 

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

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

  333.         }

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

  335.         {

  336.             uint32_t pluginId;

  337.             float value;

  338. 

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

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

  341. 

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

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

  344.         }

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

  346.         {

  347.             uint32_t pluginId;

  348.             float value;

  349. 

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

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

  352. 

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

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

  355.         }

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

  357.         {

  358.             uint32_t pluginId;

  359.             float value;

  360. 

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

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

  363. 

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

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

  366.         }

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

  368.         {

  369.             uint32_t pluginId;

  370.             int32_t channel;

  371. 

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

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

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

  375. 

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

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

  378.         }

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

  380.         {

  381.             uint32_t pluginId, parameterId;

  382.             float value;

  383. 

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

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

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

  387. 

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

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

  390.         }

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

  392.         {

  393.             uint32_t pluginId, parameterId, channel;

  394. 

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

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

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

  398.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  399. 

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

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

  402.         }

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

  404.         {

  405.             uint32_t pluginId, parameterId;

  406.             int32_t cc;

  407. 

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

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

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

  411.             CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc < 0x5F, true);

  412. 

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

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

  415.         }

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

  417.         {

  418.             uint32_t pluginId;

  419.             int32_t index;

  420. 

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

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

  423. 

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

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

  426.         }

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

  428.         {

  429.             uint32_t pluginId;

  430.             int32_t index;

  431. 

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

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

  434. 

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

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

  437.         }

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

  439.         {

  440.             uint32_t pluginId;

  441.             const char* type;

  442.             const char* key;

  443.             const char* value;

  444. 

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

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

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

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

  449. 

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

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

  452. 

  453.             delete[] type;

  454.             delete[] key;

  455.             delete[] value;

  456.         }

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

  458.         {

  459.             uint32_t pluginId;

  460.             const char* cdata;

  461. 

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

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

  464. 

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

  466.                 plugin->setChunkData(cdata);

  467. 

  468.             delete[] cdata;

  469.         }

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

  471.         {

  472.             uint32_t pluginId;

  473. 

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

  475. 

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

  477.                 plugin->prepareForSave();

  478.         }

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

  480.         {

  481.             uint32_t pluginId;

  482. 

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

  484. 

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

  486.                 plugin->resetParameters();

  487.         }

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

  489.         {

  490.             uint32_t pluginId;

  491. 

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

  493. 

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

  495.                 plugin->randomizeParameters();

  496.         }

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

  498.         {

  499.             uint32_t pluginId, channel, note, velocity;

  500. 

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

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

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

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

  505.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  506.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  507.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  508. 

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

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

  511.         }

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

  513.         {

  514.             uint32_t pluginId;

  515.             bool yesNo;

  516. 

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

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

  519. 

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

  521.                 plugin->showCustomUI(yesNo);

  522.         }

  523.         else

  524.         {

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

  526.             return false;

  527.         }

  528. 

  529.         if (! ok)

  530.         {

  531.             const CarlaMutexLocker cml(fWriteLock);

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

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

  534.         }

  535. 

  536.         return true;

  537.     }

  538. 

  539. private:

  540.     CarlaEngine* const fEngine;

  541. 

  542.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  543. };

  544. 

  545. // -----------------------------------------------------------------------

  546. 

  547. class CarlaEngineNative : public CarlaEngine

  548. {

  549. public:

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

  551.         : CarlaEngine(),

  552.           pHost(host),

  553.           fIsPatchbay(isPatchbay),

  554.           fIsActive(false),

  555.           fIsRunning(false),

  556.           fUiServer(this)

  557.     {

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

  559. 

  560.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  561. 

  562.         // set-up engine

  563.         if (fIsPatchbay)

  564.         {

  565.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  566.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  567.             pData->options.forceStereo         = false;

  568.             pData->options.preferPluginBridges = false;

  569.             pData->options.preferUiBridges     = false;

  570.             init("Carla-Patchbay");

  571.         }

  572.         else

  573.         {

  574.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  575.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  576.             pData->options.forceStereo         = true;

  577.             pData->options.preferPluginBridges = false;

  578.             pData->options.preferUiBridges     = false;

  579.             init("Carla-Rack");

  580.         }

  581. 

  582.         pData->graph.create(!fIsPatchbay, pData->sampleRate, pData->bufferSize, 0, 0);

  583. 

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

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

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

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

  588. 

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

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

  591. 

  592.         setCallback(_ui_server_callback, this);

  593.     }

  594. 

  595.     ~CarlaEngineNative() override

  596.     {

  597.         CARLA_SAFE_ASSERT(! fIsActive);

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

  599. 

  600.         pData->aboutToClose = true;

  601.         fIsRunning = false;

  602. 

  603.         removeAllPlugins();

  604.         runPendingRtEvents();

  605.         close();

  606. 

  607.         pData->graph.destroy();

  608. 

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

  610.     }

  611. 

  612. protected:

  613.     // -------------------------------------

  614.     // CarlaEngine virtual calls

  615. 

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

  617.     {

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

  619. 

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

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

  622. 

  623.         fIsRunning = true;

  624.         CarlaEngine::init(clientName);

  625.         return true;

  626.     }

  627. 

  628.     bool isRunning() const noexcept override

  629.     {

  630.         return fIsRunning;

  631.     }

  632. 

  633.     bool isOffline() const noexcept override

  634.     {

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

  636.     }

  637. 

  638.     EngineType getType() const noexcept override

  639.     {

  640.         return kEngineTypePlugin;

  641.     }

  642. 

  643.     const char* getCurrentDriverName() const noexcept override

  644.     {

  645.         return "Plugin";

  646.     }

  647. 

  648.     // -------------------------------------------------------------------

  649. 

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

  651.     {

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

  653.         {

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

  655.             return retName;

  656.         }

  657. 

  658.         return nullptr;

  659.     }

  660. 

  661.     // -------------------------------------------------------------------

  662. 

  663.     void bufferSizeChanged(const uint32_t newBufferSize)

  664.     {

  665.         pData->bufferSize = newBufferSize;

  666.         CarlaEngine::bufferSizeChanged(newBufferSize);

  667.     }

  668. 

  669.     void sampleRateChanged(const double newSampleRate)

  670.     {

  671.         pData->sampleRate = newSampleRate;

  672.         CarlaEngine::sampleRateChanged(newSampleRate);

  673.     }

  674. 

  675.     // -------------------------------------------------------------------

  676. 

  677.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  678.     {

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

  680. 

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

  682. 

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

  684.         fUiServer.writeMsg(fTmpBuf);

  685. 

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

  687.         fUiServer.writeMsg(fTmpBuf);

  688. 

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

  690.         {

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

  692.             fUiServer.writeAndFixMsg(fTmpBuf);

  693.         }

  694.         else

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

  696. 

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

  698.         {

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

  700.             fUiServer.writeAndFixMsg(fTmpBuf);

  701.         }

  702.         else

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

  704. 

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

  706.         {

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

  708.             fUiServer.writeAndFixMsg(fTmpBuf);

  709.         }

  710.         else

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

  712. 

  713.         plugin->getRealName(fTmpBuf);

  714.         fUiServer.writeAndFixMsg(fTmpBuf);

  715. 

  716.         plugin->getLabel(fTmpBuf);

  717.         fUiServer.writeAndFixMsg(fTmpBuf);

  718. 

  719.         plugin->getMaker(fTmpBuf);

  720.         fUiServer.writeAndFixMsg(fTmpBuf);

  721. 

  722.         plugin->getCopyright(fTmpBuf);

  723.         fUiServer.writeAndFixMsg(fTmpBuf);

  724. 

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

  726.         fUiServer.writeMsg(fTmpBuf);

  727. 

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

  729.         fUiServer.writeMsg(fTmpBuf);

  730.     }

  731. 

  732.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  733.     {

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

  735. 

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

  737. 

  738.         uint32_t ins, outs, count;

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

  740.         count = plugin->getParameterCount();

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

  742.         fUiServer.writeMsg(fTmpBuf);

  743. 

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

  745.         {

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

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

  748. 

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

  750.             fUiServer.writeMsg(fTmpBuf);

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

  752.             fUiServer.writeMsg(fTmpBuf);

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

  754.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  756.             fUiServer.writeAndFixMsg(fTmpBuf);

  757. 

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

  759.             fUiServer.writeMsg(fTmpBuf);

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

  761.             fUiServer.writeMsg(fTmpBuf);

  762. 

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

  764.             fUiServer.writeMsg(fTmpBuf);

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

  766.             fUiServer.writeMsg(fTmpBuf);

  767.         }

  768.     }

  769. 

  770.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  771.     {

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

  773. 

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

  775. 

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

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

  778.         fUiServer.writeMsg(fTmpBuf);

  779. 

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

  781.         {

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

  783.             fUiServer.writeMsg(fTmpBuf);

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

  785.             fUiServer.writeAndFixMsg(fTmpBuf);

  786.         }

  787. 

  788.         count = plugin->getMidiProgramCount();

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

  790.         fUiServer.writeMsg(fTmpBuf);

  791. 

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

  793.         {

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

  795.             fUiServer.writeMsg(fTmpBuf);

  796. 

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

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

  799.             fUiServer.writeMsg(fTmpBuf);

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

  801.             fUiServer.writeAndFixMsg(fTmpBuf);

  802.         }

  803.     }

  804. 

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

  806.     {

  807.         if (! fIsRunning)

  808.             return;

  809.         if (! fUiServer.isOk())

  810.             return;

  811. 

  812.         CarlaPlugin* plugin;

  813. 

  814.         switch (action)

  815.         {

  816.         case ENGINE_CALLBACK_RELOAD_INFO:

  817.             plugin = getPlugin(pluginId);

  818. 

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

  820.             {

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

  822.                 uiServerSendPluginInfo(plugin);

  823.             }

  824.             break;

  825. 

  826.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  827.             plugin = getPlugin(pluginId);

  828. 

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

  830.             {

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

  832.                 uiServerSendPluginParameters(plugin);

  833.             }

  834.             break;

  835. 

  836.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  837.             plugin = getPlugin(pluginId);

  838. 

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

  840.             {

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

  842.                 uiServerSendPluginPrograms(plugin);

  843.             }

  844.             break;

  845. 

  846.         case ENGINE_CALLBACK_RELOAD_ALL:

  847.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  848.             plugin = getPlugin(pluginId);

  849. 

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

  851.             {

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

  853.                 uiServerSendPluginInfo(plugin);

  854.                 uiServerSendPluginParameters(plugin);

  855.                 uiServerSendPluginPrograms(plugin);

  856.             }

  857.             break;

  858. 

  859.         default:

  860.             break;

  861.         }

  862. 

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

  864. 

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

  866.         fUiServer.writeMsg(fTmpBuf);

  867. 

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

  869.         fUiServer.writeMsg(fTmpBuf);

  870. 

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

  872.         fUiServer.writeMsg(fTmpBuf);

  873. 

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

  875.         fUiServer.writeMsg(fTmpBuf);

  876. 

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

  878.         fUiServer.writeMsg(fTmpBuf);

  879. 

  880.         fUiServer.writeAndFixMsg(valueStr);

  881.     }

  882. 

  883.     // -------------------------------------------------------------------

  884.     // Plugin parameter calls

  885. 

  886.     uint32_t getParameterCount() const

  887.     {

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

  889.             return plugin->getParameterCount();

  890. 

  891.         return 0;

  892.     }

  893. 

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

  895.     {

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

  897.         {

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

  899.             {

  900.                 static NativeParameter param;

  901.                 static char strBufName[STR_MAX+1];

  902.                 static char strBufUnit[STR_MAX+1];

  903. 

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

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

  906. 

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

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

  909. 

  910.                 uint hints = 0x0;

  911. 

  912.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  913.                     hints |= ::PARAMETER_IS_BOOLEAN;

  914.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  915.                     hints |= ::PARAMETER_IS_INTEGER;

  916.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  917.                     hints |= ::PARAMETER_IS_LOGARITHMIC;

  918.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  919.                     hints |= ::PARAMETER_IS_AUTOMABLE;

  920.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  921.                     hints |= ::PARAMETER_USES_SAMPLE_RATE;

  922.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  923.                     hints |= ::PARAMETER_USES_SCALEPOINTS;

  924.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  925.                     hints |= ::PARAMETER_USES_CUSTOM_TEXT;

  926. 

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

  928.                 {

  929.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  930.                         hints |= ::PARAMETER_IS_ENABLED;

  931.                     if (paramData.type == PARAMETER_OUTPUT)

  932.                         hints |= ::PARAMETER_IS_OUTPUT;

  933.                 }

  934. 

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

  936.                 param.name  = strBufName;

  937.                 param.unit  = strBufUnit;

  938.                 param.ranges.def = paramRanges.def;

  939.                 param.ranges.min = paramRanges.min;

  940.                 param.ranges.max = paramRanges.max;

  941.                 param.ranges.step = paramRanges.step;

  942.                 param.ranges.stepSmall = paramRanges.stepSmall;

  943.                 param.ranges.stepLarge = paramRanges.stepLarge;

  944.                 param.scalePointCount = 0; // TODO

  945.                 param.scalePoints = nullptr;

  946. 

  947.                 return &param;

  948.             }

  949.         }

  950. 

  951.         return nullptr;

  952.     }

  953. 

  954.     float getParameterValue(const uint32_t index) const

  955.     {

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

  957.         {

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

  959.                 return plugin->getParameterValue(index);

  960.         }

  961. 

  962.         return 0.0f;

  963.     }

  964. 

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

  966.     {

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

  968.         {

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

  970.             {

  971.                 static char strBuf[STR_MAX+1];

  972.                 carla_zeroChar(strBuf, STR_MAX+1);

  973. 

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

  975. 

  976.                 return strBuf;

  977.             }

  978.         }

  979. 

  980.         return nullptr;

  981.     }

  982. 

  983.     // -------------------------------------------------------------------

  984.     // Plugin midi-program calls

  985. 

  986.     uint32_t getMidiProgramCount() const

  987.     {

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

  989.             return plugin->getMidiProgramCount();

  990. 

  991.         return 0;

  992.     }

  993. 

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

  995.     {

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

  997.         {

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

  999.             {

  1000.                 static NativeMidiProgram midiProg;

  1001. 

  1002.                 {

  1003.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1004. 

  1005.                     midiProg.bank    = midiProgData.bank;

  1006.                     midiProg.program = midiProgData.program;

  1007.                     midiProg.name    = midiProgData.name;

  1008.                 }

  1009. 

  1010.                 return &midiProg;

  1011.             }

  1012.         }

  1013. 

  1014.         return nullptr;

  1015.     }

  1016. 

  1017.     // -------------------------------------------------------------------

  1018.     // Plugin state calls

  1019. 

  1020.     void setParameterValue(const uint32_t index, const float value)

  1021.     {

  1022.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1023.         {

  1024.             if (index < plugin->getParameterCount())

  1025.                 plugin->setParameterValue(index, value, false, false, false);

  1026.         }

  1027.     }

  1028. 

  1029.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1030.     {

  1031.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1032.             plugin->setMidiProgramById(bank, program, false, false, false);

  1033.     }

  1034. 

  1035.     // -------------------------------------------------------------------

  1036.     // Plugin process calls

  1037. 

  1038.     void activate()

  1039.     {

  1040. #if 0

  1041.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1042.         {

  1043.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1044. 

  1045.             if (plugin == nullptr || ! plugin->isEnabled())

  1046.                 continue;

  1047. 

  1048.             plugin->setActive(true, true, false);

  1049.         }

  1050. #endif

  1051.         fIsActive = true;

  1052.     }

  1053. 

  1054.     void deactivate()

  1055.     {

  1056.         fIsActive = false;

  1057. #if 0

  1058.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1059.         {

  1060.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1061. 

  1062.             if (plugin == nullptr || ! plugin->isEnabled())

  1063.                 continue;

  1064. 

  1065.             plugin->setActive(false, true, false);

  1066.         }

  1067. #endif

  1068. 

  1069.         // just in case

  1070.         runPendingRtEvents();

  1071.     }

  1072. 

  1073.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1074.     {

  1075.         if (pData->curPluginCount == 0 && ! fIsPatchbay)

  1076.         {

  1077.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], frames);

  1078.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], frames);

  1079. 

  1080.             return runPendingRtEvents();;

  1081.         }

  1082. 

  1083.         // ---------------------------------------------------------------

  1084.         // Time Info

  1085. 

  1086.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1087. 

  1088.         pData->timeInfo.playing = timeInfo->playing;

  1089.         pData->timeInfo.frame   = timeInfo->frame;

  1090.         pData->timeInfo.usecs   = timeInfo->usecs;

  1091.         pData->timeInfo.valid   = 0x0;

  1092. 

  1093.         if (timeInfo->bbt.valid)

  1094.         {

  1095.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1096. 

  1097.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1098.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1099.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1100.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1101. 

  1102.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1103.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1104. 

  1105.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1106.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1107.         }

  1108. 

  1109.         // ---------------------------------------------------------------

  1110.         // initialize events

  1111. 

  1112.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1113.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1114. 

  1115.         // ---------------------------------------------------------------

  1116.         // events input (before processing)

  1117. 

  1118.         {

  1119.             uint32_t engineEventIndex = 0;

  1120. 

  1121.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1122.             {

  1123.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1124.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1125. 

  1126.                 engineEvent.time = midiEvent.time;

  1127.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1128. 

  1129.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1130.                     break;

  1131.             }

  1132.         }

  1133. 

  1134.         if (fIsPatchbay)

  1135.         {

  1136.             // -----------------------------------------------------------

  1137.             // create audio buffers

  1138. 

  1139.             //float*   inBuf[2]    = { inBuffer[0], inBuffer[1] };

  1140.             //float*   outBuf[2]   = { outBuffer[0], outBuffer[1] };

  1141.             //uint32_t bufCount[2] = { 2, 2 };

  1142. 

  1143.             // -----------------------------------------------------------

  1144.             // process

  1145. 

  1146.             //pData->processPatchbay(inBuf, outBuf, bufCount, frames, isOffline());

  1147.         }

  1148.         else

  1149.         {

  1150.             // -----------------------------------------------------------

  1151.             // create audio buffers

  1152. 

  1153.             const float* inBuf[2]  = { inBuffer[0], inBuffer[1] };

  1154.                   float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1155. 

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

  1157.             // process

  1158. 

  1159.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1160.         }

  1161. 

  1162.         // ---------------------------------------------------------------

  1163.         // events output (after processing)

  1164. 

  1165.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1166. 

  1167.         {

  1168.             NativeMidiEvent midiEvent;

  1169. 

  1170.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1171.             {

  1172.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1173. 

  1174.                 if (engineEvent.type == kEngineEventTypeNull)

  1175.                     break;

  1176. 

  1177.                 midiEvent.time = engineEvent.time;

  1178. 

  1179.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1180.                 {

  1181.                     midiEvent.port = 0;

  1182.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1183.                 }

  1184.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1185.                 {

  1186.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1187.                         continue;

  1188. 

  1189.                     midiEvent.port = engineEvent.midi.port;

  1190.                     midiEvent.size = engineEvent.midi.size;

  1191. 

  1192.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1193. 

  1194.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1195.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1196.                 }

  1197.                 else

  1198.                 {

  1199.                     carla_stderr("Unknown event type...");

  1200.                     continue;

  1201.                 }

  1202. 

  1203.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1204.             }

  1205.         }

  1206. 

  1207.         runPendingRtEvents();

  1208.     }

  1209. 

  1210.     // -------------------------------------------------------------------

  1211.     // Plugin UI calls

  1212. 

  1213.     void uiShow(const bool show)

  1214.     {

  1215.         if (show)

  1216.         {

  1217.             if (fUiServer.isOk())

  1218.                 return;

  1219. 

  1220.             CarlaString path(pHost->resourceDir);

  1221.             path += "/carla-plugin";

  1222. 

  1223.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1224. 

  1225.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1226.             fUiServer.start();

  1227. 

  1228.             for (uint i=0; i < pData->curPluginCount; ++i)

  1229.             {

  1230.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1231. 

  1232.                 if (plugin != nullptr && plugin->isEnabled())

  1233.                 {

  1234.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1235.                 }

  1236.             }

  1237.         }

  1238.         else

  1239.         {

  1240.             fUiServer.stop();

  1241.         }

  1242.     }

  1243. 

  1244.     void uiIdle()

  1245.     {

  1246.         CarlaEngine::idle();

  1247.         fUiServer.idle();

  1248. 

  1249.         if (! fUiServer.isOk())

  1250.             return;

  1251. 

  1252.         for (uint i=0; i < pData->curPluginCount; ++i)

  1253.         {

  1254.             const EnginePluginData& plugData(pData->plugins[i]);

  1255.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1256. 

  1257.             {

  1258.                 const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1259. 

  1260.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1261.                 fUiServer.writeMsg(fTmpBuf);

  1262. 

  1263.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1264.                 fUiServer.writeMsg(fTmpBuf);

  1265.             }

  1266. 

  1267.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1268.             {

  1269.                 if (plugin->isParameterOutput(j))

  1270.                     continue;

  1271. 

  1272.                 const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1273. 

  1274.                 std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1275.                 fUiServer.writeMsg(fTmpBuf);

  1276.                 std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1277.                 fUiServer.writeMsg(fTmpBuf);

  1278.             }

  1279.         }

  1280. 

  1281.         switch (fUiServer.getAndResetUiState())

  1282.         {

  1283.         case CarlaExternalUI::UiNone:

  1284.         case CarlaExternalUI::UiShow:

  1285.             break;

  1286.         case CarlaExternalUI::UiCrashed:

  1287.             pHost->dispatcher(pHost->handle, HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1288.             break;

  1289.         case CarlaExternalUI::UiHide:

  1290.             pHost->ui_closed(pHost->handle);

  1291.             fUiServer.stop();

  1292.             break;

  1293.         }

  1294.     }

  1295. 

  1296.     // -------------------------------------------------------------------

  1297.     // Plugin state calls

  1298. 

  1299.     char* getState() const

  1300.     {

  1301.         MemoryOutputStream out;

  1302.         out << "<?xml version='1.0' encoding='UTF-8'?>\n";

  1303.         out << "<!DOCTYPE CARLA-PROJECT>\n";

  1304.         out << "<CARLA-PROJECT VERSION='2.0'>\n";

  1305. 

  1306.         bool firstPlugin = true;

  1307.         char strBuf[STR_MAX+1];

  1308. 

  1309.         for (uint i=0; i < pData->curPluginCount; ++i)

  1310.         {

  1311.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1312. 

  1313.             if (plugin != nullptr && plugin->isEnabled())

  1314.             {

  1315.                 if (! firstPlugin)

  1316.                     out << "\n";

  1317. 

  1318.                 strBuf[0] = '\0';

  1319. 

  1320.                 plugin->getRealName(strBuf);

  1321. 

  1322.                 //if (strBuf[0] != '\0')

  1323.                 //    out << QString(" <!-- %1 -->\n").arg(xmlSafeString(strBuf, true));

  1324. 

  1325.                 out << " <Plugin>\n";

  1326.                 out << plugin->getStateSave().toString();

  1327.                 out << " </Plugin>\n";

  1328. 

  1329.                 firstPlugin = false;

  1330.             }

  1331.         }

  1332. 

  1333.         out << "</CARLA-PROJECT>\n";

  1334. 

  1335.         return strdup(out.toString().toRawUTF8());

  1336.     }

  1337. 

  1338.     void setState(const char* const data)

  1339.     {

  1340.         const String text(data);

  1341.         XmlDocument xml(text);

  1342. 

  1343.         ScopedPointer<XmlElement> xmlElement(xml.getDocumentElement(true));

  1344.         CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);

  1345.         CARLA_SAFE_ASSERT_RETURN(xmlElement->getTagName().equalsIgnoreCase("carla-project"),);

  1346. 

  1347.         // completely load file

  1348.         xmlElement = xml.getDocumentElement(false);

  1349.         CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);

  1350. 

  1351.         //bool pluginsAdded = false;

  1352. 

  1353.         for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())

  1354.         {

  1355.             const String& tagName(elem->getTagName());

  1356. 

  1357.             if (tagName.equalsIgnoreCase("plugin"))

  1358.             {

  1359.                 StateSave stateSave;

  1360.                 stateSave.fillFromXmlElement(elem);

  1361. 

  1362.                 CARLA_SAFE_ASSERT_CONTINUE(stateSave.type != nullptr);

  1363. 

  1364.                 const void* extraStuff = nullptr;

  1365. 

  1366.                 // check if using GIG, SF2 or SFZ 16outs

  1367.                 static const char kUse16OutsSuffix[] = " (16 outs)";

  1368. 

  1369.                 const PluginType ptype(getPluginTypeFromString(stateSave.type));

  1370. 

  1371.                 if (CarlaString(stateSave.label).endsWith(kUse16OutsSuffix))

  1372.                 {

  1373.                     if (ptype == PLUGIN_GIG || ptype == PLUGIN_SF2)

  1374.                         extraStuff = "true";

  1375.                 }

  1376. 

  1377.                 // TODO - proper find&load plugins

  1378. 

  1379.                 if (addPlugin(ptype, stateSave.binary, stateSave.name, stateSave.label, stateSave.uniqueId, extraStuff))

  1380.                 {

  1381.                     if (CarlaPlugin* const plugin = getPlugin(pData->curPluginCount-1))

  1382.                         plugin->loadStateSave(stateSave);

  1383.                 }

  1384. 

  1385.                 //pluginsAdded = true;

  1386.             }

  1387.         }

  1388. 

  1389.         //if (pluginsAdded)

  1390.         //    pHost->dispatcher(pHost->handle, HOST_OPCODE_RELOAD_ALL, 0, 0, nullptr, 0.0f);

  1391.     }

  1392. 

  1393.     // -------------------------------------------------------------------

  1394. 

  1395. public:

  1396.     #define handlePtr ((CarlaEngineNative*)handle)

  1397. 

  1398.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1399.     {

  1400.         return new CarlaEngineNative(host, false);

  1401.     }

  1402. 

  1403.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1404.     {

  1405.         return new CarlaEngineNative(host, true);

  1406.     }

  1407. 

  1408.     static void _cleanup(NativePluginHandle handle)

  1409.     {

  1410.         delete handlePtr;

  1411.     }

  1412. 

  1413.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1414.     {

  1415.         return handlePtr->getParameterCount();

  1416.     }

  1417. 

  1418.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1419.     {

  1420.         return handlePtr->getParameterInfo(index);

  1421.     }

  1422. 

  1423.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1424.     {

  1425.         return handlePtr->getParameterValue(index);

  1426.     }

  1427. 

  1428.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1429.     {

  1430.         return handlePtr->getParameterText(index /*, value*/);

  1431.     }

  1432. 

  1433.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1434.     {

  1435.         return handlePtr->getMidiProgramCount();

  1436.     }

  1437. 

  1438.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1439.     {

  1440.         return handlePtr->getMidiProgramInfo(index);

  1441.     }

  1442. 

  1443.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1444.     {

  1445.         handlePtr->setParameterValue(index, value);

  1446.     }

  1447. 

  1448.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1449.     {

  1450.         handlePtr->setMidiProgram(channel, bank, program);

  1451.     }

  1452. 

  1453.     static void _ui_show(NativePluginHandle handle, bool show)

  1454.     {

  1455.         handlePtr->uiShow(show);

  1456.     }

  1457. 

  1458.     static void _ui_idle(NativePluginHandle handle)

  1459.     {

  1460.         handlePtr->uiIdle();

  1461.     }

  1462. 

  1463.     static void _activate(NativePluginHandle handle)

  1464.     {

  1465.         handlePtr->activate();

  1466.     }

  1467. 

  1468.     static void _deactivate(NativePluginHandle handle)

  1469.     {

  1470.         handlePtr->deactivate();

  1471.     }

  1472. 

  1473.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1474.     {

  1475.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1476.     }

  1477. 

  1478.     static char* _get_state(NativePluginHandle handle)

  1479.     {

  1480.         return handlePtr->getState();

  1481.     }

  1482. 

  1483.     static void _set_state(NativePluginHandle handle, const char* data)

  1484.     {

  1485.         handlePtr->setState(data);

  1486.     }

  1487. 

  1488.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1489.     {

  1490.         switch(opcode)

  1491.         {

  1492.         case PLUGIN_OPCODE_NULL:

  1493.             return 0;

  1494.         case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1495.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1496.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1497.             return 0;

  1498.         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1499.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1500.             return 0;

  1501.         case PLUGIN_OPCODE_OFFLINE_CHANGED:

  1502.             handlePtr->offlineModeChanged(value != 0);

  1503.             return 0;

  1504.         case PLUGIN_OPCODE_UI_NAME_CHANGED:

  1505.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1506.             return 0;

  1507.         }

  1508. 

  1509.         return 0;

  1510. 

  1511.         // unused

  1512.         (void)index;

  1513.         (void)ptr;

  1514.     }

  1515. 

  1516.     // -------------------------------------------------------------------

  1517. 

  1518.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1519.     {

  1520.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1521.     }

  1522. 

  1523.     // -------------------------------------------------------------------

  1524. 

  1525.     #undef handlePtr

  1526. 

  1527. private:

  1528.     const NativeHostDescriptor* const pHost;

  1529. 

  1530.     const bool fIsPatchbay; // rack if false

  1531.     bool fIsActive, fIsRunning;

  1532.     CarlaEngineNativeUI fUiServer;

  1533. 

  1534.     char fTmpBuf[STR_MAX+1];

  1535. 

  1536.     CarlaPlugin* _getFirstPlugin() const noexcept

  1537.     {

  1538.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1539.             return nullptr;

  1540. 

  1541.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1542. 

  1543.         if (plugin == nullptr || ! plugin->isEnabled())

  1544.             return nullptr;

  1545. 

  1546.         return pData->plugins[0].plugin;

  1547.     }

  1548. 

  1549.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1550. };

  1551. 

  1552. // -----------------------------------------------------------------------

  1553. 

  1554. static const NativePluginDescriptor carlaRackDesc = {

  1555.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1556.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1557.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1558.     /* audioIns  */ 2,

  1559.     /* audioOuts */ 2,

  1560.     /* midiIns   */ 1,

  1561.     /* midiOuts  */ 1,

  1562.     /* paramIns  */ 0,

  1563.     /* paramOuts */ 0,

  1564.     /* name      */ "Carla-Rack",

  1565.     /* label     */ "carlarack",

  1566.     /* maker     */ "falkTX",

  1567.     /* copyright */ "GNU GPL v2+",

  1568.     CarlaEngineNative::_instantiateRack,

  1569.     CarlaEngineNative::_cleanup,

  1570.     CarlaEngineNative::_get_parameter_count,

  1571.     CarlaEngineNative::_get_parameter_info,

  1572.     CarlaEngineNative::_get_parameter_value,

  1573.     CarlaEngineNative::_get_parameter_text,

  1574.     CarlaEngineNative::_get_midi_program_count,

  1575.     CarlaEngineNative::_get_midi_program_info,

  1576.     CarlaEngineNative::_set_parameter_value,

  1577.     CarlaEngineNative::_set_midi_program,

  1578.     /* _set_custom_data        */ nullptr,

  1579.     CarlaEngineNative::_ui_show,

  1580.     CarlaEngineNative::_ui_idle,

  1581.     /* _ui_set_parameter_value */ nullptr,

  1582.     /* _ui_set_midi_program    */ nullptr,

  1583.     /* _ui_set_custom_data     */ nullptr,

  1584.     CarlaEngineNative::_activate,

  1585.     CarlaEngineNative::_deactivate,

  1586.     CarlaEngineNative::_process,

  1587.     CarlaEngineNative::_get_state,

  1588.     CarlaEngineNative::_set_state,

  1589.     CarlaEngineNative::_dispatcher

  1590. };

  1591. 

  1592. #if 0

  1593. static const NativePluginDescriptor carlaPatchbayDesc = {

  1594.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1595.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1596.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1597.     /* audioIns  */ 2,

  1598.     /* audioOuts */ 2,

  1599.     /* midiIns   */ 1,

  1600.     /* midiOuts  */ 1,

  1601.     /* paramIns  */ 0,

  1602.     /* paramOuts */ 0,

  1603.     /* name      */ "Carla-Patchbay",

  1604.     /* label     */ "carlapatchbay",

  1605.     /* maker     */ "falkTX",

  1606.     /* copyright */ "GNU GPL v2+",

  1607.     CarlaEngineNative::_instantiatePatchbay,

  1608.     CarlaEngineNative::_cleanup,

  1609.     CarlaEngineNative::_get_parameter_count,

  1610.     CarlaEngineNative::_get_parameter_info,

  1611.     CarlaEngineNative::_get_parameter_value,

  1612.     CarlaEngineNative::_get_parameter_text,

  1613.     CarlaEngineNative::_get_midi_program_count,

  1614.     CarlaEngineNative::_get_midi_program_info,

  1615.     CarlaEngineNative::_set_parameter_value,

  1616.     CarlaEngineNative::_set_midi_program,

  1617.     /* _set_custom_data        */ nullptr,

  1618.     CarlaEngineNative::_ui_show,

  1619.     CarlaEngineNative::_ui_idle,

  1620.     /* _ui_set_parameter_value */ nullptr,

  1621.     /* _ui_set_midi_program    */ nullptr,

  1622.     /* _ui_set_custom_data     */ nullptr,

  1623.     CarlaEngineNative::_activate,

  1624.     CarlaEngineNative::_deactivate,

  1625.     CarlaEngineNative::_process,

  1626.     CarlaEngineNative::_get_state,

  1627.     CarlaEngineNative::_set_state,

  1628.     CarlaEngineNative::_dispatcher

  1629. };

  1630. #endif

  1631. 

  1632. CARLA_BACKEND_END_NAMESPACE

  1633. 

  1634. // -----------------------------------------------------------------------

  1635. 

  1636. CARLA_EXPORT

  1637. void carla_register_native_plugin_carla();

  1638. 

  1639. void carla_register_native_plugin_carla()

  1640. {

  1641.     CARLA_BACKEND_USE_NAMESPACE;

  1642.     carla_register_native_plugin(&carlaRackDesc);

  1643. #if 0

  1644.     carla_register_native_plugin(&carlaPatchbayDesc);

  1645. #endif

  1646. }

  1647. 

  1648. // -----------------------------------------------------------------------

  1649. 

  1650. CARLA_EXPORT

  1651. const NativePluginDescriptor* get_carla_native_plugin();

  1652. 

  1653. const NativePluginDescriptor* get_carla_native_plugin()

  1654. {

  1655.     CARLA_BACKEND_USE_NAMESPACE;

  1656.     return &carlaRackDesc;

  1657. }

  1658. 

  1659. // -----------------------------------------------------------------------

  1660. // Extra stuff for linking purposes

  1661. 

  1662. #ifdef CARLA_PLUGIN_EXPORT

  1663. 

  1664. CARLA_BACKEND_START_NAMESPACE

  1665. 

  1666. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1667. 

  1668. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1669. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  1670. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  1671. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1672. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1673. 

  1674. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1675. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1676. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1677. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1678. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1679. 

  1680. CARLA_BACKEND_END_NAMESPACE

  1681. 

  1682. #include "CarlaDssiUtils.cpp"

  1683. #include "CarlaStateUtils.cpp"

  1684. 

  1685. #endif

  1686. 

  1687. // -----------------------------------------------------------------------