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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. using juce::FloatVectorOperations;

  42. using juce::MemoryOutputStream;

  43. using juce::ScopedPointer;

  44. using juce::String;

  45. using juce::XmlDocument;

  46. using juce::XmlElement;

  47. 

  48. CARLA_BACKEND_START_NAMESPACE

  49. 

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

  51. 

  52. class CarlaEngineNativeUI : public CarlaExternalUI

  53. {

  54. public:

  55.     CarlaEngineNativeUI(CarlaEngine* const engine)

  56.         : fEngine(engine)

  57.     {

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

  59.     }

  60. 

  61.     ~CarlaEngineNativeUI() override

  62.     {

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

  64.     }

  65. 

  66.     CarlaMutex& getWriteLock() noexcept

  67.     {

  68.         return fWriteLock;

  69.     }

  70. 

  71. protected:

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

  73.     {

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

  75.             return true;

  76. 

  77.         bool ok = true;

  78. 

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

  80.         {

  81.             uint32_t option;

  82.             int32_t value;

  83.             const char* valueStr;

  84. 

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

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

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

  88. 

  89.             try {

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

  91.             } catch(...) {}

  92. 

  93.             delete[] valueStr;

  94.         }

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

  96.         {

  97.             const char* filename;

  98. 

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

  100. 

  101.             try {

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

  103.             } catch(...) {}

  104. 

  105.             delete[] filename;

  106.         }

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

  108.         {

  109.             const char* filename;

  110. 

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

  112. 

  113.             try {

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

  115.             } catch(...) {}

  116. 

  117.             delete[] filename;

  118.         }

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

  120.         {

  121.             const char* filename;

  122. 

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

  124. 

  125.             try {

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

  127.             } catch(...) {}

  128. 

  129.             delete[] filename;

  130.         }

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

  132.         {

  133.             uint32_t groupA, portA, groupB, portB;

  134. 

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

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

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

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

  139. 

  140.             try {

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

  142.             } catch(...) {}

  143.         }

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

  145.         {

  146.             uint32_t connectionId;

  147. 

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

  149. 

  150.             try {

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

  152.             } catch(...) {}

  153.         }

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

  155.         {

  156.             try {

  157.                 ok = fEngine->patchbayRefresh();

  158.             } catch(...) {}

  159.         }

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

  161.         {

  162.             fEngine->transportPlay();

  163.         }

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

  165.         {

  166.             fEngine->transportPause();

  167.         }

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

  169.         {

  170.             uint64_t frame;

  171. 

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

  173. 

  174.             fEngine->transportRelocate(frame);

  175.         }

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

  177.         {

  178.             uint32_t btype, ptype;

  179.             const char* filename = nullptr;

  180.             const char* name;

  181.             const char* label;

  182.             int64_t uniqueId;

  183. 

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

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

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

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

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

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

  190. 

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

  192.             {

  193.                 delete[] filename;

  194.                 filename = nullptr;

  195.             }

  196. 

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

  198.             {

  199.                 delete[] name;

  200.                 name = nullptr;

  201.             }

  202. 

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

  204. 

  205.             if (filename != nullptr)

  206.                 delete[] filename;

  207.             if (name != nullptr)

  208.                 delete[] name;

  209.             delete[] label;

  210.         }

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

  212.         {

  213.             uint32_t pluginId;

  214. 

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

  216. 

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

  218.         }

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

  220.         {

  221.             ok = fEngine->removeAllPlugins();

  222.         }

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

  224.         {

  225.             uint32_t pluginId;

  226.             const char* newName;

  227. 

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

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

  230. 

  231.             // TODO

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

  233. 

  234.             delete[] newName;

  235.         }

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

  237.         {

  238.             uint32_t pluginId;

  239. 

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

  241. 

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

  243.         }

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

  245.         {

  246.             uint32_t pluginId;

  247. 

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

  249. 

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

  251.         }

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

  253.         {

  254.             uint32_t pluginIdA, pluginIdB;

  255. 

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

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

  258. 

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

  260.         }

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

  262.         {

  263.             uint32_t pluginId;

  264.             const char* filename;

  265. 

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

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

  268. 

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

  270.                 plugin->loadStateFromFile(filename);

  271. 

  272.             delete[] filename;

  273.         }

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

  275.         {

  276.             uint32_t pluginId;

  277.             const char* filename;

  278. 

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

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

  281. 

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

  283.                 plugin->saveStateToFile(filename);

  284. 

  285.             delete[] filename;

  286.         }

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

  288.         {

  289.             uint32_t pluginId, option;

  290.             bool yesNo;

  291. 

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

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

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

  295. 

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

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

  298.         }

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

  300.         {

  301.             uint32_t pluginId;

  302.             bool onOff;

  303. 

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

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

  306. 

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

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

  309.         }

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

  311.         {

  312.             uint32_t pluginId;

  313.             float value;

  314. 

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

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

  317. 

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

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

  320.         }

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

  322.         {

  323.             uint32_t pluginId;

  324.             float value;

  325. 

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

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

  328. 

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

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

  331.         }

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

  333.         {

  334.             uint32_t pluginId;

  335.             float value;

  336. 

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

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

  339. 

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

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

  342.         }

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

  344.         {

  345.             uint32_t pluginId;

  346.             float value;

  347. 

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

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

  350. 

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

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

  353.         }

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

  355.         {

  356.             uint32_t pluginId;

  357.             float value;

  358. 

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

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

  361. 

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

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

  364.         }

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

  366.         {

  367.             uint32_t pluginId;

  368.             int32_t channel;

  369. 

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

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

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

  373. 

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

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

  376.         }

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

  378.         {

  379.             uint32_t pluginId, parameterId;

  380.             float value;

  381. 

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

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

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

  385. 

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

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

  388.         }

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

  390.         {

  391.             uint32_t pluginId, parameterId, channel;

  392. 

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

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

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

  396.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  397. 

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

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

  400.         }

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

  402.         {

  403.             uint32_t pluginId, parameterId;

  404.             int32_t cc;

  405. 

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

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

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

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

  410. 

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

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

  413.         }

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

  415.         {

  416.             uint32_t pluginId;

  417.             int32_t index;

  418. 

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

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

  421. 

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

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

  424.         }

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

  426.         {

  427.             uint32_t pluginId;

  428.             int32_t index;

  429. 

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

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

  432. 

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

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

  435.         }

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

  437.         {

  438.             uint32_t pluginId;

  439.             const char* type;

  440.             const char* key;

  441.             const char* value;

  442. 

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

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

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

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

  447. 

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

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

  450. 

  451.             delete[] type;

  452.             delete[] key;

  453.             delete[] value;

  454.         }

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

  456.         {

  457.             uint32_t pluginId;

  458.             const char* cdata;

  459. 

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

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

  462. 

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

  464.             {

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

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

  467.             }

  468. 

  469.             delete[] cdata;

  470.         }

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

  472.         {

  473.             uint32_t pluginId;

  474. 

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

  476. 

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

  478.                 plugin->prepareForSave();

  479.         }

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

  481.         {

  482.             uint32_t pluginId;

  483. 

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

  485. 

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

  487.                 plugin->resetParameters();

  488.         }

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

  490.         {

  491.             uint32_t pluginId;

  492. 

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

  494. 

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

  496.                 plugin->randomizeParameters();

  497.         }

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

  499.         {

  500.             uint32_t pluginId, channel, note, velocity;

  501. 

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

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

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

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

  506.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  507.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  508.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  509. 

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

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

  512.         }

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

  514.         {

  515.             uint32_t pluginId;

  516.             bool yesNo;

  517. 

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

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

  520. 

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

  522.                 plugin->showCustomUI(yesNo);

  523.         }

  524.         else

  525.         {

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

  527.             return false;

  528.         }

  529. 

  530.         if (! ok)

  531.         {

  532.             const CarlaMutexLocker cml(fWriteLock);

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

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

  535.         }

  536. 

  537.         return true;

  538.     }

  539. 

  540. private:

  541.     CarlaEngine* const fEngine;

  542. 

  543.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  544. };

  545. 

  546. // -----------------------------------------------------------------------

  547. 

  548. class CarlaEngineNative : public CarlaEngine

  549. {

  550. public:

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

  552.         : CarlaEngine(),

  553.           pHost(host),

  554.           fIsPatchbay(isPatchbay),

  555.           fIsActive(false),

  556.           fIsRunning(false),

  557.           fUiServer(this)

  558.     {

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

  560. 

  561.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  562. 

  563.         // set-up engine

  564.         if (fIsPatchbay)

  565.         {

  566.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  567.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  568.             pData->options.forceStereo         = false;

  569.             pData->options.preferPluginBridges = false;

  570.             pData->options.preferUiBridges     = false;

  571.             init("Carla-Patchbay");

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

  573.         }

  574.         else

  575.         {

  576.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  577.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  578.             pData->options.forceStereo         = true;

  579.             pData->options.preferPluginBridges = false;

  580.             pData->options.preferUiBridges     = false;

  581.             init("Carla-Rack");

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

  583.         }

  584. 

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

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

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

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

  589. 

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

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

  592. 

  593.         setCallback(_ui_server_callback, this);

  594.     }

  595. 

  596.     ~CarlaEngineNative() override

  597.     {

  598.         CARLA_SAFE_ASSERT(! fIsActive);

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

  600. 

  601.         pData->aboutToClose = true;

  602.         fIsRunning = false;

  603. 

  604.         removeAllPlugins();

  605.         runPendingRtEvents();

  606.         close();

  607. 

  608.         pData->graph.destroy();

  609. 

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

  611.     }

  612. 

  613. protected:

  614.     // -------------------------------------

  615.     // CarlaEngine virtual calls

  616. 

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

  618.     {

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

  620. 

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

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

  623. 

  624.         fIsRunning = true;

  625.         CarlaEngine::init(clientName);

  626.         return true;

  627.     }

  628. 

  629.     bool isRunning() const noexcept override

  630.     {

  631.         return fIsRunning;

  632.     }

  633. 

  634.     bool isOffline() const noexcept override

  635.     {

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

  637.     }

  638. 

  639.     EngineType getType() const noexcept override

  640.     {

  641.         return kEngineTypePlugin;

  642.     }

  643. 

  644.     const char* getCurrentDriverName() const noexcept override

  645.     {

  646.         return "Plugin";

  647.     }

  648. 

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

  650. 

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

  652.     {

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

  654.         {

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

  656.             return retName;

  657.         }

  658. 

  659.         return nullptr;

  660.     }

  661. 

  662.     // -------------------------------------------------------------------

  663. 

  664.     void bufferSizeChanged(const uint32_t newBufferSize)

  665.     {

  666.         pData->bufferSize = newBufferSize;

  667.         CarlaEngine::bufferSizeChanged(newBufferSize);

  668.     }

  669. 

  670.     void sampleRateChanged(const double newSampleRate)

  671.     {

  672.         pData->sampleRate = newSampleRate;

  673.         CarlaEngine::sampleRateChanged(newSampleRate);

  674.     }

  675. 

  676.     // -------------------------------------------------------------------

  677. 

  678.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  679.     {

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

  681. 

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

  683. 

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

  685.         fUiServer.writeMsg(fTmpBuf);

  686. 

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

  688.         fUiServer.writeMsg(fTmpBuf);

  689. 

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

  691.         {

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

  693.             fUiServer.writeAndFixMsg(fTmpBuf);

  694.         }

  695.         else

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

  697. 

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

  699.         {

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

  701.             fUiServer.writeAndFixMsg(fTmpBuf);

  702.         }

  703.         else

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

  705. 

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

  707.         {

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

  709.             fUiServer.writeAndFixMsg(fTmpBuf);

  710.         }

  711.         else

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

  713. 

  714.         plugin->getRealName(fTmpBuf);

  715.         fUiServer.writeAndFixMsg(fTmpBuf);

  716. 

  717.         plugin->getLabel(fTmpBuf);

  718.         fUiServer.writeAndFixMsg(fTmpBuf);

  719. 

  720.         plugin->getMaker(fTmpBuf);

  721.         fUiServer.writeAndFixMsg(fTmpBuf);

  722. 

  723.         plugin->getCopyright(fTmpBuf);

  724.         fUiServer.writeAndFixMsg(fTmpBuf);

  725. 

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

  727.         fUiServer.writeMsg(fTmpBuf);

  728. 

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

  730.         fUiServer.writeMsg(fTmpBuf);

  731.     }

  732. 

  733.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  734.     {

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

  736. 

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

  738. 

  739.         uint32_t ins, outs, count;

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

  741.         count = plugin->getParameterCount();

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

  743.         fUiServer.writeMsg(fTmpBuf);

  744. 

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

  746.         {

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

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

  749. 

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

  751.             fUiServer.writeMsg(fTmpBuf);

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

  753.             fUiServer.writeMsg(fTmpBuf);

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

  755.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  757.             fUiServer.writeAndFixMsg(fTmpBuf);

  758. 

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

  760.             fUiServer.writeMsg(fTmpBuf);

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

  762.             fUiServer.writeMsg(fTmpBuf);

  763. 

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

  765.             fUiServer.writeMsg(fTmpBuf);

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

  767.             fUiServer.writeMsg(fTmpBuf);

  768.         }

  769.     }

  770. 

  771.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  772.     {

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

  774. 

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

  776. 

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

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

  779.         fUiServer.writeMsg(fTmpBuf);

  780. 

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

  782.         {

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

  784.             fUiServer.writeMsg(fTmpBuf);

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

  786.             fUiServer.writeAndFixMsg(fTmpBuf);

  787.         }

  788. 

  789.         count = plugin->getMidiProgramCount();

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

  791.         fUiServer.writeMsg(fTmpBuf);

  792. 

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

  794.         {

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

  796.             fUiServer.writeMsg(fTmpBuf);

  797. 

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

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

  800.             fUiServer.writeMsg(fTmpBuf);

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

  802.             fUiServer.writeAndFixMsg(fTmpBuf);

  803.         }

  804.     }

  805. 

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

  807.     {

  808.         if (! fIsRunning)

  809.             return;

  810.         if (! fUiServer.isOk())

  811.             return;

  812. 

  813.         CarlaPlugin* plugin;

  814. 

  815.         switch (action)

  816.         {

  817.         case ENGINE_CALLBACK_RELOAD_INFO:

  818.             plugin = getPlugin(pluginId);

  819. 

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

  821.             {

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

  823.                 uiServerSendPluginInfo(plugin);

  824.             }

  825.             break;

  826. 

  827.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  828.             plugin = getPlugin(pluginId);

  829. 

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

  831.             {

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

  833.                 uiServerSendPluginParameters(plugin);

  834.             }

  835.             break;

  836. 

  837.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  838.             plugin = getPlugin(pluginId);

  839. 

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

  841.             {

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

  843.                 uiServerSendPluginPrograms(plugin);

  844.             }

  845.             break;

  846. 

  847.         case ENGINE_CALLBACK_RELOAD_ALL:

  848.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  849.             plugin = getPlugin(pluginId);

  850. 

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

  852.             {

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

  854.                 uiServerSendPluginInfo(plugin);

  855.                 uiServerSendPluginParameters(plugin);

  856.                 uiServerSendPluginPrograms(plugin);

  857.             }

  858.             break;

  859. 

  860.         default:

  861.             break;

  862.         }

  863. 

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

  865. 

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

  867.         fUiServer.writeMsg(fTmpBuf);

  868. 

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

  870.         fUiServer.writeMsg(fTmpBuf);

  871. 

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

  873.         fUiServer.writeMsg(fTmpBuf);

  874. 

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

  876.         fUiServer.writeMsg(fTmpBuf);

  877. 

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

  879.         fUiServer.writeMsg(fTmpBuf);

  880. 

  881.         fUiServer.writeAndFixMsg(valueStr);

  882.     }

  883. 

  884.     // -------------------------------------------------------------------

  885.     // Plugin parameter calls

  886. 

  887.     uint32_t getParameterCount() const

  888.     {

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

  890.             return plugin->getParameterCount();

  891. 

  892.         return 0;

  893.     }

  894. 

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

  896.     {

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

  898.         {

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

  900.             {

  901.                 static NativeParameter param;

  902.                 static char strBufName[STR_MAX+1];

  903.                 static char strBufUnit[STR_MAX+1];

  904. 

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

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

  907. 

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

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

  910. 

  911.                 uint hints = 0x0;

  912. 

  913.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  914.                     hints |= ::PARAMETER_IS_BOOLEAN;

  915.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  916.                     hints |= ::PARAMETER_IS_INTEGER;

  917.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  918.                     hints |= ::PARAMETER_IS_LOGARITHMIC;

  919.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  920.                     hints |= ::PARAMETER_IS_AUTOMABLE;

  921.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  922.                     hints |= ::PARAMETER_USES_SAMPLE_RATE;

  923.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  924.                     hints |= ::PARAMETER_USES_SCALEPOINTS;

  925.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  926.                     hints |= ::PARAMETER_USES_CUSTOM_TEXT;

  927. 

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

  929.                 {

  930.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  931.                         hints |= ::PARAMETER_IS_ENABLED;

  932.                     if (paramData.type == PARAMETER_OUTPUT)

  933.                         hints |= ::PARAMETER_IS_OUTPUT;

  934.                 }

  935. 

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

  937.                 param.name  = strBufName;

  938.                 param.unit  = strBufUnit;

  939.                 param.ranges.def = paramRanges.def;

  940.                 param.ranges.min = paramRanges.min;

  941.                 param.ranges.max = paramRanges.max;

  942.                 param.ranges.step = paramRanges.step;

  943.                 param.ranges.stepSmall = paramRanges.stepSmall;

  944.                 param.ranges.stepLarge = paramRanges.stepLarge;

  945.                 param.scalePointCount = 0; // TODO

  946.                 param.scalePoints = nullptr;

  947. 

  948.                 return &param;

  949.             }

  950.         }

  951. 

  952.         return nullptr;

  953.     }

  954. 

  955.     float getParameterValue(const uint32_t index) const

  956.     {

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

  958.         {

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

  960.                 return plugin->getParameterValue(index);

  961.         }

  962. 

  963.         return 0.0f;

  964.     }

  965. 

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

  967.     {

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

  969.         {

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

  971.             {

  972.                 static char strBuf[STR_MAX+1];

  973.                 carla_zeroChar(strBuf, STR_MAX+1);

  974. 

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

  976. 

  977.                 return strBuf;

  978.             }

  979.         }

  980. 

  981.         return nullptr;

  982.     }

  983. 

  984.     // -------------------------------------------------------------------

  985.     // Plugin midi-program calls

  986. 

  987.     uint32_t getMidiProgramCount() const

  988.     {

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

  990.             return plugin->getMidiProgramCount();

  991. 

  992.         return 0;

  993.     }

  994. 

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

  996.     {

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

  998.         {

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

  1000.             {

  1001.                 static NativeMidiProgram midiProg;

  1002. 

  1003.                 {

  1004.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1005. 

  1006.                     midiProg.bank    = midiProgData.bank;

  1007.                     midiProg.program = midiProgData.program;

  1008.                     midiProg.name    = midiProgData.name;

  1009.                 }

  1010. 

  1011.                 return &midiProg;

  1012.             }

  1013.         }

  1014. 

  1015.         return nullptr;

  1016.     }

  1017. 

  1018.     // -------------------------------------------------------------------

  1019.     // Plugin state calls

  1020. 

  1021.     void setParameterValue(const uint32_t index, const float value)

  1022.     {

  1023.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1024.         {

  1025.             if (index < plugin->getParameterCount())

  1026.                 plugin->setParameterValue(index, value, false, false, false);

  1027.         }

  1028.     }

  1029. 

  1030.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1031.     {

  1032.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1033.             plugin->setMidiProgramById(bank, program, false, false, false);

  1034.     }

  1035. 

  1036.     // -------------------------------------------------------------------

  1037.     // Plugin process calls

  1038. 

  1039.     void activate()

  1040.     {

  1041. #if 0

  1042.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1043.         {

  1044.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1045. 

  1046.             if (plugin == nullptr || ! plugin->isEnabled())

  1047.                 continue;

  1048. 

  1049.             plugin->setActive(true, true, false);

  1050.         }

  1051. #endif

  1052.         fIsActive = true;

  1053.     }

  1054. 

  1055.     void deactivate()

  1056.     {

  1057.         fIsActive = false;

  1058. #if 0

  1059.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1060.         {

  1061.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1062. 

  1063.             if (plugin == nullptr || ! plugin->isEnabled())

  1064.                 continue;

  1065. 

  1066.             plugin->setActive(false, true, false);

  1067.         }

  1068. #endif

  1069. 

  1070.         // just in case

  1071.         runPendingRtEvents();

  1072.     }

  1073. 

  1074.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1075.     {

  1076.         if (pData->curPluginCount == 0 && ! fIsPatchbay)

  1077.         {

  1078.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1079.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1080. 

  1081.             return runPendingRtEvents();;

  1082.         }

  1083. 

  1084.         // ---------------------------------------------------------------

  1085.         // Time Info

  1086. 

  1087.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1088. 

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

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

  1091.         pData->timeInfo.usecs   = timeInfo->usecs;

  1092.         pData->timeInfo.valid   = 0x0;

  1093. 

  1094.         if (timeInfo->bbt.valid)

  1095.         {

  1096.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1097. 

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

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

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

  1101.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1102. 

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

  1104.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1105. 

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

  1107.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1108.         }

  1109. 

  1110.         // ---------------------------------------------------------------

  1111.         // initialize events

  1112. 

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

  1114.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1115. 

  1116.         // ---------------------------------------------------------------

  1117.         // events input (before processing)

  1118. 

  1119.         {

  1120.             uint32_t engineEventIndex = 0;

  1121. 

  1122.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1123.             {

  1124.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1125.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1126. 

  1127.                 engineEvent.time = midiEvent.time;

  1128.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1129. 

  1130.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1131.                     break;

  1132.             }

  1133.         }

  1134. 

  1135.         if (fIsPatchbay)

  1136.         {

  1137.             // -----------------------------------------------------------

  1138.             // process

  1139. 

  1140.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1141.         }

  1142.         else

  1143.         {

  1144.             // -----------------------------------------------------------

  1145.             // create audio buffers

  1146. 

  1147.             const float* inBuf[2]  = { inBuffer[0], inBuffer[1] };

  1148.                   float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1149. 

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

  1151.             // process

  1152. 

  1153.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1154.         }

  1155. 

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

  1157.         // events output (after processing)

  1158. 

  1159.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1160. 

  1161.         {

  1162.             NativeMidiEvent midiEvent;

  1163. 

  1164.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1165.             {

  1166.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1167. 

  1168.                 if (engineEvent.type == kEngineEventTypeNull)

  1169.                     break;

  1170. 

  1171.                 midiEvent.time = engineEvent.time;

  1172. 

  1173.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1174.                 {

  1175.                     midiEvent.port = 0;

  1176.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1177.                 }

  1178.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1179.                 {

  1180.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1181.                         continue;

  1182. 

  1183.                     midiEvent.port = engineEvent.midi.port;

  1184.                     midiEvent.size = engineEvent.midi.size;

  1185. 

  1186.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1187. 

  1188.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1189.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1190.                 }

  1191.                 else

  1192.                 {

  1193.                     carla_stderr("Unknown event type...");

  1194.                     continue;

  1195.                 }

  1196. 

  1197.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1198.             }

  1199.         }

  1200. 

  1201.         runPendingRtEvents();

  1202.     }

  1203. 

  1204.     // -------------------------------------------------------------------

  1205.     // Plugin UI calls

  1206. 

  1207.     void uiShow(const bool show)

  1208.     {

  1209.         if (show)

  1210.         {

  1211.             if (fUiServer.isOk())

  1212.                 return;

  1213. 

  1214.             CarlaString path(pHost->resourceDir);

  1215.             path += "/carla-plugin";

  1216. 

  1217.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1218. 

  1219.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1220.             fUiServer.start();

  1221. 

  1222.             for (uint i=0; i < pData->curPluginCount; ++i)

  1223.             {

  1224.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1225. 

  1226.                 if (plugin != nullptr && plugin->isEnabled())

  1227.                 {

  1228.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1229.                 }

  1230.             }

  1231.         }

  1232.         else

  1233.         {

  1234.             fUiServer.stop();

  1235.         }

  1236.     }

  1237. 

  1238.     void uiIdle()

  1239.     {

  1240.         CarlaEngine::idle();

  1241.         fUiServer.idle();

  1242. 

  1243.         if (! fUiServer.isOk())

  1244.             return;

  1245. 

  1246.         for (uint i=0; i < pData->curPluginCount; ++i)

  1247.         {

  1248.             const EnginePluginData& plugData(pData->plugins[i]);

  1249.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1250. 

  1251.             {

  1252.                 const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1253. 

  1254.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1255.                 fUiServer.writeMsg(fTmpBuf);

  1256. 

  1257.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1258.                 fUiServer.writeMsg(fTmpBuf);

  1259.             }

  1260. 

  1261.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1262.             {

  1263.                 if (plugin->isParameterOutput(j))

  1264.                     continue;

  1265. 

  1266.                 const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1267. 

  1268.                 std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1269.                 fUiServer.writeMsg(fTmpBuf);

  1270.                 std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1271.                 fUiServer.writeMsg(fTmpBuf);

  1272.             }

  1273.         }

  1274. 

  1275.         switch (fUiServer.getAndResetUiState())

  1276.         {

  1277.         case CarlaExternalUI::UiNone:

  1278.         case CarlaExternalUI::UiShow:

  1279.             break;

  1280.         case CarlaExternalUI::UiCrashed:

  1281.             pHost->dispatcher(pHost->handle, HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1282.             break;

  1283.         case CarlaExternalUI::UiHide:

  1284.             pHost->ui_closed(pHost->handle);

  1285.             fUiServer.stop();

  1286.             break;

  1287.         }

  1288.     }

  1289. 

  1290.     // -------------------------------------------------------------------

  1291.     // Plugin state calls

  1292. 

  1293.     char* getState() const

  1294.     {

  1295.         MemoryOutputStream out;

  1296.         out << "<?xml version='1.0' encoding='UTF-8'?>\n";

  1297.         out << "<!DOCTYPE CARLA-PROJECT>\n";

  1298.         out << "<CARLA-PROJECT VERSION='2.0'>\n";

  1299. 

  1300.         bool firstPlugin = true;

  1301.         char strBuf[STR_MAX+1];

  1302. 

  1303.         for (uint i=0; i < pData->curPluginCount; ++i)

  1304.         {

  1305.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1306. 

  1307.             if (plugin != nullptr && plugin->isEnabled())

  1308.             {

  1309.                 if (! firstPlugin)

  1310.                     out << "\n";

  1311. 

  1312.                 strBuf[0] = '\0';

  1313. 

  1314.                 plugin->getRealName(strBuf);

  1315. 

  1316.                 //if (strBuf[0] != '\0')

  1317.                 //    out << QString(" <!-- %1 -->\n").arg(xmlSafeString(strBuf, true));

  1318. 

  1319.                 out << " <Plugin>\n";

  1320.                 out << plugin->getStateSave().toString();

  1321.                 out << " </Plugin>\n";

  1322. 

  1323.                 firstPlugin = false;

  1324.             }

  1325.         }

  1326. 

  1327.         out << "</CARLA-PROJECT>\n";

  1328. 

  1329.         return strdup(out.toString().toRawUTF8());

  1330.     }

  1331. 

  1332.     void setState(const char* const data)

  1333.     {

  1334.         const String text(data);

  1335.         XmlDocument xml(text);

  1336. 

  1337.         ScopedPointer<XmlElement> xmlElement(xml.getDocumentElement(true));

  1338.         CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);

  1339.         CARLA_SAFE_ASSERT_RETURN(xmlElement->getTagName().equalsIgnoreCase("carla-project"),);

  1340. 

  1341.         // completely load file

  1342.         xmlElement = xml.getDocumentElement(false);

  1343.         CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);

  1344. 

  1345.         //bool pluginsAdded = false;

  1346. 

  1347.         for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())

  1348.         {

  1349.             const String& tagName(elem->getTagName());

  1350. 

  1351.             if (tagName.equalsIgnoreCase("plugin"))

  1352.             {

  1353.                 StateSave stateSave;

  1354.                 stateSave.fillFromXmlElement(elem);

  1355. 

  1356.                 CARLA_SAFE_ASSERT_CONTINUE(stateSave.type != nullptr);

  1357. 

  1358.                 const void* extraStuff = nullptr;

  1359. 

  1360.                 // check if using GIG or SF2 16outs

  1361.                 static const char kUse16OutsSuffix[] = " (16 outs)";

  1362. 

  1363.                 const BinaryType btype(getBinaryTypeFromFile(stateSave.binary));

  1364.                 const PluginType ptype(getPluginTypeFromString(stateSave.type));

  1365. 

  1366.                 if (CarlaString(stateSave.label).endsWith(kUse16OutsSuffix))

  1367.                 {

  1368.                     if (ptype == PLUGIN_GIG || ptype == PLUGIN_SF2)

  1369.                         extraStuff = "true";

  1370.                 }

  1371. 

  1372.                 // TODO - proper find&load plugins

  1373. 

  1374.                 if (addPlugin(btype, ptype, stateSave.binary, stateSave.name, stateSave.label, stateSave.uniqueId, extraStuff))

  1375.                 {

  1376.                     if (CarlaPlugin* const plugin = getPlugin(pData->curPluginCount-1))

  1377.                         plugin->loadStateSave(stateSave);

  1378.                 }

  1379. 

  1380.                 //pluginsAdded = true;

  1381.             }

  1382.         }

  1383. 

  1384.         //if (pluginsAdded)

  1385.         //    pHost->dispatcher(pHost->handle, HOST_OPCODE_RELOAD_ALL, 0, 0, nullptr, 0.0f);

  1386.     }

  1387. 

  1388.     // -------------------------------------------------------------------

  1389. 

  1390. public:

  1391.     #define handlePtr ((CarlaEngineNative*)handle)

  1392. 

  1393.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1394.     {

  1395.         return new CarlaEngineNative(host, false);

  1396.     }

  1397. 

  1398.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1399.     {

  1400.         return new CarlaEngineNative(host, true);

  1401.     }

  1402. 

  1403.     static void _cleanup(NativePluginHandle handle)

  1404.     {

  1405.         delete handlePtr;

  1406.     }

  1407. 

  1408.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1409.     {

  1410.         return handlePtr->getParameterCount();

  1411.     }

  1412. 

  1413.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1414.     {

  1415.         return handlePtr->getParameterInfo(index);

  1416.     }

  1417. 

  1418.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1419.     {

  1420.         return handlePtr->getParameterValue(index);

  1421.     }

  1422. 

  1423.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1424.     {

  1425.         return handlePtr->getParameterText(index /*, value*/);

  1426.     }

  1427. 

  1428.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1429.     {

  1430.         return handlePtr->getMidiProgramCount();

  1431.     }

  1432. 

  1433.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1434.     {

  1435.         return handlePtr->getMidiProgramInfo(index);

  1436.     }

  1437. 

  1438.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1439.     {

  1440.         handlePtr->setParameterValue(index, value);

  1441.     }

  1442. 

  1443.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1444.     {

  1445.         handlePtr->setMidiProgram(channel, bank, program);

  1446.     }

  1447. 

  1448.     static void _ui_show(NativePluginHandle handle, bool show)

  1449.     {

  1450.         handlePtr->uiShow(show);

  1451.     }

  1452. 

  1453.     static void _ui_idle(NativePluginHandle handle)

  1454.     {

  1455.         handlePtr->uiIdle();

  1456.     }

  1457. 

  1458.     static void _activate(NativePluginHandle handle)

  1459.     {

  1460.         handlePtr->activate();

  1461.     }

  1462. 

  1463.     static void _deactivate(NativePluginHandle handle)

  1464.     {

  1465.         handlePtr->deactivate();

  1466.     }

  1467. 

  1468.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1469.     {

  1470.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1471.     }

  1472. 

  1473.     static char* _get_state(NativePluginHandle handle)

  1474.     {

  1475.         return handlePtr->getState();

  1476.     }

  1477. 

  1478.     static void _set_state(NativePluginHandle handle, const char* data)

  1479.     {

  1480.         handlePtr->setState(data);

  1481.     }

  1482. 

  1483.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1484.     {

  1485.         switch(opcode)

  1486.         {

  1487.         case PLUGIN_OPCODE_NULL:

  1488.             return 0;

  1489.         case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1490.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1491.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1492.             return 0;

  1493.         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1494.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1495.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1496.             return 0;

  1497.         case PLUGIN_OPCODE_OFFLINE_CHANGED:

  1498.             handlePtr->offlineModeChanged(value != 0);

  1499.             return 0;

  1500.         case PLUGIN_OPCODE_UI_NAME_CHANGED:

  1501.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1502.             return 0;

  1503.         }

  1504. 

  1505.         return 0;

  1506. 

  1507.         // unused

  1508.         (void)index;

  1509.         (void)ptr;

  1510.     }

  1511. 

  1512.     // -------------------------------------------------------------------

  1513. 

  1514.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1515.     {

  1516.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1517.     }

  1518. 

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

  1520. 

  1521.     #undef handlePtr

  1522. 

  1523. private:

  1524.     const NativeHostDescriptor* const pHost;

  1525. 

  1526.     const bool fIsPatchbay; // rack if false

  1527.     bool fIsActive, fIsRunning;

  1528.     CarlaEngineNativeUI fUiServer;

  1529. 

  1530.     char fTmpBuf[STR_MAX+1];

  1531. 

  1532.     CarlaPlugin* _getFirstPlugin() const noexcept

  1533.     {

  1534.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1535.             return nullptr;

  1536. 

  1537.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1538. 

  1539.         if (plugin == nullptr || ! plugin->isEnabled())

  1540.             return nullptr;

  1541. 

  1542.         return pData->plugins[0].plugin;

  1543.     }

  1544. 

  1545.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1546. };

  1547. 

  1548. // -----------------------------------------------------------------------

  1549. 

  1550. static const NativePluginDescriptor carlaRackDesc = {

  1551.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1552.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1553.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1554.     /* audioIns  */ 2,

  1555.     /* audioOuts */ 2,

  1556.     /* midiIns   */ 1,

  1557.     /* midiOuts  */ 1,

  1558.     /* paramIns  */ 0,

  1559.     /* paramOuts */ 0,

  1560.     /* name      */ "Carla-Rack",

  1561.     /* label     */ "carlarack",

  1562.     /* maker     */ "falkTX",

  1563.     /* copyright */ "GNU GPL v2+",

  1564.     CarlaEngineNative::_instantiateRack,

  1565.     CarlaEngineNative::_cleanup,

  1566.     CarlaEngineNative::_get_parameter_count,

  1567.     CarlaEngineNative::_get_parameter_info,

  1568.     CarlaEngineNative::_get_parameter_value,

  1569.     CarlaEngineNative::_get_parameter_text,

  1570.     CarlaEngineNative::_get_midi_program_count,

  1571.     CarlaEngineNative::_get_midi_program_info,

  1572.     CarlaEngineNative::_set_parameter_value,

  1573.     CarlaEngineNative::_set_midi_program,

  1574.     /* _set_custom_data        */ nullptr,

  1575.     CarlaEngineNative::_ui_show,

  1576.     CarlaEngineNative::_ui_idle,

  1577.     /* _ui_set_parameter_value */ nullptr,

  1578.     /* _ui_set_midi_program    */ nullptr,

  1579.     /* _ui_set_custom_data     */ nullptr,

  1580.     CarlaEngineNative::_activate,

  1581.     CarlaEngineNative::_deactivate,

  1582.     CarlaEngineNative::_process,

  1583.     CarlaEngineNative::_get_state,

  1584.     CarlaEngineNative::_set_state,

  1585.     CarlaEngineNative::_dispatcher

  1586. };

  1587. 

  1588. #if 0

  1589. static const NativePluginDescriptor carlaPatchbayDesc = {

  1590.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1591.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1592.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1593.     /* audioIns  */ 2,

  1594.     /* audioOuts */ 2,

  1595.     /* midiIns   */ 1,

  1596.     /* midiOuts  */ 1,

  1597.     /* paramIns  */ 0,

  1598.     /* paramOuts */ 0,

  1599.     /* name      */ "Carla-Patchbay",

  1600.     /* label     */ "carlapatchbay",

  1601.     /* maker     */ "falkTX",

  1602.     /* copyright */ "GNU GPL v2+",

  1603.     CarlaEngineNative::_instantiatePatchbay,

  1604.     CarlaEngineNative::_cleanup,

  1605.     CarlaEngineNative::_get_parameter_count,

  1606.     CarlaEngineNative::_get_parameter_info,

  1607.     CarlaEngineNative::_get_parameter_value,

  1608.     CarlaEngineNative::_get_parameter_text,

  1609.     CarlaEngineNative::_get_midi_program_count,

  1610.     CarlaEngineNative::_get_midi_program_info,

  1611.     CarlaEngineNative::_set_parameter_value,

  1612.     CarlaEngineNative::_set_midi_program,

  1613.     /* _set_custom_data        */ nullptr,

  1614.     CarlaEngineNative::_ui_show,

  1615.     CarlaEngineNative::_ui_idle,

  1616.     /* _ui_set_parameter_value */ nullptr,

  1617.     /* _ui_set_midi_program    */ nullptr,

  1618.     /* _ui_set_custom_data     */ nullptr,

  1619.     CarlaEngineNative::_activate,

  1620.     CarlaEngineNative::_deactivate,

  1621.     CarlaEngineNative::_process,

  1622.     CarlaEngineNative::_get_state,

  1623.     CarlaEngineNative::_set_state,

  1624.     CarlaEngineNative::_dispatcher

  1625. };

  1626. #endif

  1627. 

  1628. CARLA_BACKEND_END_NAMESPACE

  1629. 

  1630. // -----------------------------------------------------------------------

  1631. 

  1632. CARLA_EXPORT

  1633. void carla_register_native_plugin_carla();

  1634. 

  1635. void carla_register_native_plugin_carla()

  1636. {

  1637.     CARLA_BACKEND_USE_NAMESPACE;

  1638.     carla_register_native_plugin(&carlaRackDesc);

  1639. #if 0

  1640.     carla_register_native_plugin(&carlaPatchbayDesc);

  1641. #endif

  1642. }

  1643. 

  1644. // -----------------------------------------------------------------------

  1645. 

  1646. CARLA_EXPORT

  1647. const NativePluginDescriptor* get_carla_native_plugin();

  1648. 

  1649. const NativePluginDescriptor* get_carla_native_plugin()

  1650. {

  1651.     CARLA_BACKEND_USE_NAMESPACE;

  1652.     return &carlaRackDesc;

  1653. }

  1654. 

  1655. // -----------------------------------------------------------------------

  1656. // Extra stuff for linking purposes

  1657. 

  1658. #ifdef CARLA_PLUGIN_EXPORT

  1659. 

  1660. CARLA_BACKEND_START_NAMESPACE

  1661. 

  1662. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1663. 

  1664. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1665. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1666. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1667. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1668. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1669. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1670. # else

  1671. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1672. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  1673. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  1674. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1675. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1676. # endif

  1677. 

  1678. CARLA_BACKEND_END_NAMESPACE

  1679. 

  1680. #include "CarlaPluginUI.cpp"

  1681. #include "CarlaDssiUtils.cpp"

  1682. #include "CarlaStateUtils.cpp"

  1683. 

  1684. #endif

  1685. 

  1686. // -----------------------------------------------------------------------