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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::File;

  42. using juce::FloatVectorOperations;

  43. using juce::MemoryOutputStream;

  44. using juce::ScopedPointer;

  45. using juce::String;

  46. using juce::XmlDocument;

  47. using juce::XmlElement;

  48. 

  49. CARLA_BACKEND_START_NAMESPACE

  50. 

  51. // -----------------------------------------------------------------------

  52. 

  53. class CarlaEngineNativeUI : public CarlaExternalUI

  54. {

  55. public:

  56.     CarlaEngineNativeUI(CarlaEngine* const engine)

  57.         : fEngine(engine)

  58.     {

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

  60.     }

  61. 

  62.     ~CarlaEngineNativeUI() override

  63.     {

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

  65.     }

  66. 

  67.     CarlaMutex& getWriteLock() noexcept

  68.     {

  69.         return fWriteLock;

  70.     }

  71. 

  72. protected:

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

  74.     {

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

  76.             return true;

  77. 

  78.         bool ok = true;

  79. 

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

  81.         {

  82.             uint32_t option;

  83.             int32_t value;

  84.             const char* valueStr;

  85. 

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

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

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

  89. 

  90.             try {

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

  92.             } catch(...) {}

  93. 

  94.             delete[] valueStr;

  95.         }

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

  97.         {

  98.             const char* filename;

  99. 

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

  101. 

  102.             try {

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

  104.             } catch(...) {}

  105. 

  106.             delete[] filename;

  107.         }

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

  109.         {

  110.             const char* filename;

  111. 

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

  113. 

  114.             try {

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

  116.             } catch(...) {}

  117. 

  118.             delete[] filename;

  119.         }

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

  121.         {

  122.             const char* filename;

  123. 

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

  125. 

  126.             try {

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

  128.             } catch(...) {}

  129. 

  130.             delete[] filename;

  131.         }

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

  133.         {

  134.             uint32_t groupA, portA, groupB, portB;

  135. 

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

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

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

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

  140. 

  141.             try {

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

  143.             } catch(...) {}

  144.         }

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

  146.         {

  147.             uint32_t connectionId;

  148. 

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

  150. 

  151.             try {

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

  153.             } catch(...) {}

  154.         }

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

  156.         {

  157.             try {

  158.                 ok = fEngine->patchbayRefresh();

  159.             } catch(...) {}

  160.         }

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

  162.         {

  163.             fEngine->transportPlay();

  164.         }

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

  166.         {

  167.             fEngine->transportPause();

  168.         }

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

  170.         {

  171.             uint64_t frame;

  172. 

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

  174. 

  175.             fEngine->transportRelocate(frame);

  176.         }

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

  178.         {

  179.             uint32_t btype, ptype;

  180.             const char* filename = nullptr;

  181.             const char* name;

  182.             const char* label;

  183.             int64_t uniqueId;

  184. 

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

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

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

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

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

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

  191. 

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

  193.             {

  194.                 delete[] filename;

  195.                 filename = nullptr;

  196.             }

  197. 

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

  199.             {

  200.                 delete[] name;

  201.                 name = nullptr;

  202.             }

  203. 

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

  205. 

  206.             if (filename != nullptr)

  207.                 delete[] filename;

  208.             if (name != nullptr)

  209.                 delete[] name;

  210.             delete[] label;

  211.         }

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

  213.         {

  214.             uint32_t pluginId;

  215. 

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

  217. 

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

  219.         }

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

  221.         {

  222.             ok = fEngine->removeAllPlugins();

  223.         }

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

  225.         {

  226.             uint32_t pluginId;

  227.             const char* newName;

  228. 

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

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

  231. 

  232.             // TODO

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

  234. 

  235.             delete[] newName;

  236.         }

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

  238.         {

  239.             uint32_t pluginId;

  240. 

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

  242. 

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

  244.         }

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

  246.         {

  247.             uint32_t pluginId;

  248. 

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

  250. 

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

  252.         }

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

  254.         {

  255.             uint32_t pluginIdA, pluginIdB;

  256. 

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

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

  259. 

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

  261.         }

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

  263.         {

  264.             uint32_t pluginId;

  265.             const char* filename;

  266. 

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

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

  269. 

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

  271.                 plugin->loadStateFromFile(filename);

  272. 

  273.             delete[] filename;

  274.         }

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

  276.         {

  277.             uint32_t pluginId;

  278.             const char* filename;

  279. 

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

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

  282. 

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

  284.                 plugin->saveStateToFile(filename);

  285. 

  286.             delete[] filename;

  287.         }

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

  289.         {

  290.             uint32_t pluginId, option;

  291.             bool yesNo;

  292. 

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

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

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

  296. 

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

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

  299.         }

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

  301.         {

  302.             uint32_t pluginId;

  303.             bool onOff;

  304. 

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

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

  307. 

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

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

  310.         }

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

  312.         {

  313.             uint32_t pluginId;

  314.             float value;

  315. 

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

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

  318. 

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

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

  321.         }

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

  323.         {

  324.             uint32_t pluginId;

  325.             float value;

  326. 

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

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

  329. 

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

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

  332.         }

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

  334.         {

  335.             uint32_t pluginId;

  336.             float value;

  337. 

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

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

  340. 

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

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

  343.         }

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

  345.         {

  346.             uint32_t pluginId;

  347.             float value;

  348. 

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

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

  351. 

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

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

  354.         }

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

  356.         {

  357.             uint32_t pluginId;

  358.             float value;

  359. 

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

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

  362. 

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

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

  365.         }

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

  367.         {

  368.             uint32_t pluginId;

  369.             int32_t channel;

  370. 

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

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

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

  374. 

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

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

  377.         }

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

  379.         {

  380.             uint32_t pluginId, parameterId;

  381.             float value;

  382. 

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

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

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

  386. 

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

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

  389.         }

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

  391.         {

  392.             uint32_t pluginId, parameterId, channel;

  393. 

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

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

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

  397.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  398. 

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

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

  401.         }

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

  403.         {

  404.             uint32_t pluginId, parameterId;

  405.             int32_t cc;

  406. 

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

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

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

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

  411. 

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

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

  414.         }

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

  416.         {

  417.             uint32_t pluginId;

  418.             int32_t index;

  419. 

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

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

  422. 

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

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

  425.         }

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

  427.         {

  428.             uint32_t pluginId;

  429.             int32_t index;

  430. 

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

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

  433. 

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

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

  436.         }

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

  438.         {

  439.             uint32_t pluginId;

  440.             const char* type;

  441.             const char* key;

  442.             const char* value;

  443. 

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

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

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

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

  448. 

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

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

  451. 

  452.             delete[] type;

  453.             delete[] key;

  454.             delete[] value;

  455.         }

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

  457.         {

  458.             uint32_t pluginId;

  459.             const char* cdata;

  460. 

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

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

  463. 

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

  465.             {

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

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

  468.             }

  469. 

  470.             delete[] cdata;

  471.         }

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

  473.         {

  474.             uint32_t pluginId;

  475. 

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

  477. 

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

  479.                 plugin->prepareForSave();

  480.         }

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

  482.         {

  483.             uint32_t pluginId;

  484. 

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

  486. 

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

  488.                 plugin->resetParameters();

  489.         }

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

  491.         {

  492.             uint32_t pluginId;

  493. 

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

  495. 

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

  497.                 plugin->randomizeParameters();

  498.         }

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

  500.         {

  501.             uint32_t pluginId, channel, note, velocity;

  502. 

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

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

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

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

  507.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  508.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  509.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  510. 

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

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

  513.         }

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

  515.         {

  516.             uint32_t pluginId;

  517.             bool yesNo;

  518. 

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

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

  521. 

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

  523.                 plugin->showCustomUI(yesNo);

  524.         }

  525.         else

  526.         {

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

  528.             return false;

  529.         }

  530. 

  531.         if (! ok)

  532.         {

  533.             const CarlaMutexLocker cml(fWriteLock);

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

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

  536.         }

  537. 

  538.         return true;

  539.     }

  540. 

  541. private:

  542.     CarlaEngine* const fEngine;

  543. 

  544.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  545. };

  546. 

  547. // -----------------------------------------------------------------------

  548. 

  549. class CarlaEngineNative : public CarlaEngine

  550. {

  551. public:

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

  553.         : CarlaEngine(),

  554.           pHost(host),

  555.           fIsPatchbay(isPatchbay),

  556.           fIsActive(false),

  557.           fIsRunning(false),

  558.           fUiServer(this)

  559.     {

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

  561. 

  562.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  563. 

  564.         // set-up engine

  565.         if (fIsPatchbay)

  566.         {

  567.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  568.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  569.             pData->options.forceStereo         = false;

  570.             pData->options.preferPluginBridges = false;

  571.             pData->options.preferUiBridges     = false;

  572.             init("Carla-Patchbay");

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

  574.         }

  575.         else

  576.         {

  577.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  578.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  579.             pData->options.forceStereo         = true;

  580.             pData->options.preferPluginBridges = false;

  581.             pData->options.preferUiBridges     = false;

  582.             init("Carla-Rack");

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

  584.         }

  585. 

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

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

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

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

  590. 

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

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

  593. 

  594.         setCallback(_ui_server_callback, this);

  595.     }

  596. 

  597.     ~CarlaEngineNative() override

  598.     {

  599.         CARLA_SAFE_ASSERT(! fIsActive);

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

  601. 

  602.         pData->aboutToClose = true;

  603.         fIsRunning = false;

  604. 

  605.         removeAllPlugins();

  606.         runPendingRtEvents();

  607.         close();

  608. 

  609.         pData->graph.destroy();

  610. 

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

  612.     }

  613. 

  614. protected:

  615.     // -------------------------------------

  616.     // CarlaEngine virtual calls

  617. 

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

  619.     {

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

  621. 

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

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

  624. 

  625.         fIsRunning = true;

  626.         CarlaEngine::init(clientName);

  627.         return true;

  628.     }

  629. 

  630.     bool isRunning() const noexcept override

  631.     {

  632.         return fIsRunning;

  633.     }

  634. 

  635.     bool isOffline() const noexcept override

  636.     {

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

  638.     }

  639. 

  640.     EngineType getType() const noexcept override

  641.     {

  642.         return kEngineTypePlugin;

  643.     }

  644. 

  645.     const char* getCurrentDriverName() const noexcept override

  646.     {

  647.         return "Plugin";

  648.     }

  649. 

  650.     // -------------------------------------------------------------------

  651. 

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

  653.     {

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

  655.         {

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

  657.             return retName;

  658.         }

  659. 

  660.         return nullptr;

  661.     }

  662. 

  663.     // -------------------------------------------------------------------

  664. 

  665.     void bufferSizeChanged(const uint32_t newBufferSize)

  666.     {

  667.         pData->bufferSize = newBufferSize;

  668.         CarlaEngine::bufferSizeChanged(newBufferSize);

  669.     }

  670. 

  671.     void sampleRateChanged(const double newSampleRate)

  672.     {

  673.         pData->sampleRate = newSampleRate;

  674.         CarlaEngine::sampleRateChanged(newSampleRate);

  675.     }

  676. 

  677.     // -------------------------------------------------------------------

  678. 

  679.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  680.     {

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

  682. 

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

  684. 

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

  686.         fUiServer.writeMsg(fTmpBuf);

  687. 

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

  689.         fUiServer.writeMsg(fTmpBuf);

  690. 

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

  692.         {

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

  694.             fUiServer.writeAndFixMsg(fTmpBuf);

  695.         }

  696.         else

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

  698. 

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

  700.         {

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

  702.             fUiServer.writeAndFixMsg(fTmpBuf);

  703.         }

  704.         else

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

  706. 

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

  708.         {

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

  710.             fUiServer.writeAndFixMsg(fTmpBuf);

  711.         }

  712.         else

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

  714. 

  715.         plugin->getRealName(fTmpBuf);

  716.         fUiServer.writeAndFixMsg(fTmpBuf);

  717. 

  718.         plugin->getLabel(fTmpBuf);

  719.         fUiServer.writeAndFixMsg(fTmpBuf);

  720. 

  721.         plugin->getMaker(fTmpBuf);

  722.         fUiServer.writeAndFixMsg(fTmpBuf);

  723. 

  724.         plugin->getCopyright(fTmpBuf);

  725.         fUiServer.writeAndFixMsg(fTmpBuf);

  726. 

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

  728.         fUiServer.writeMsg(fTmpBuf);

  729. 

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

  731.         fUiServer.writeMsg(fTmpBuf);

  732.     }

  733. 

  734.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  735.     {

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

  737. 

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

  739. 

  740.         uint32_t ins, outs, count;

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

  742.         count = plugin->getParameterCount();

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

  744.         fUiServer.writeMsg(fTmpBuf);

  745. 

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

  747.         {

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

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

  750. 

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

  752.             fUiServer.writeMsg(fTmpBuf);

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

  754.             fUiServer.writeMsg(fTmpBuf);

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

  756.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  758.             fUiServer.writeAndFixMsg(fTmpBuf);

  759. 

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

  761.             fUiServer.writeMsg(fTmpBuf);

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

  763.             fUiServer.writeMsg(fTmpBuf);

  764. 

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

  766.             fUiServer.writeMsg(fTmpBuf);

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

  768.             fUiServer.writeMsg(fTmpBuf);

  769.         }

  770.     }

  771. 

  772.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  773.     {

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

  775. 

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

  777. 

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

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

  780.         fUiServer.writeMsg(fTmpBuf);

  781. 

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

  783.         {

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

  785.             fUiServer.writeMsg(fTmpBuf);

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

  787.             fUiServer.writeAndFixMsg(fTmpBuf);

  788.         }

  789. 

  790.         count = plugin->getMidiProgramCount();

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

  792.         fUiServer.writeMsg(fTmpBuf);

  793. 

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

  795.         {

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

  797.             fUiServer.writeMsg(fTmpBuf);

  798. 

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

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

  801.             fUiServer.writeMsg(fTmpBuf);

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

  803.             fUiServer.writeAndFixMsg(fTmpBuf);

  804.         }

  805.     }

  806. 

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

  808.     {

  809.         if (! fIsRunning)

  810.             return;

  811.         if (! fUiServer.isOk())

  812.             return;

  813. 

  814.         CarlaPlugin* plugin;

  815. 

  816.         switch (action)

  817.         {

  818.         case ENGINE_CALLBACK_RELOAD_INFO:

  819.             plugin = getPlugin(pluginId);

  820. 

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

  822.             {

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

  824.                 uiServerSendPluginInfo(plugin);

  825.             }

  826.             break;

  827. 

  828.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  829.             plugin = getPlugin(pluginId);

  830. 

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

  832.             {

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

  834.                 uiServerSendPluginParameters(plugin);

  835.             }

  836.             break;

  837. 

  838.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  839.             plugin = getPlugin(pluginId);

  840. 

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

  842.             {

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

  844.                 uiServerSendPluginPrograms(plugin);

  845.             }

  846.             break;

  847. 

  848.         case ENGINE_CALLBACK_RELOAD_ALL:

  849.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  850.             plugin = getPlugin(pluginId);

  851. 

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

  853.             {

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

  855.                 uiServerSendPluginInfo(plugin);

  856.                 uiServerSendPluginParameters(plugin);

  857.                 uiServerSendPluginPrograms(plugin);

  858.             }

  859.             break;

  860. 

  861.         default:

  862.             break;

  863.         }

  864. 

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

  866. 

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

  868.         fUiServer.writeMsg(fTmpBuf);

  869. 

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

  871.         fUiServer.writeMsg(fTmpBuf);

  872. 

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

  874.         fUiServer.writeMsg(fTmpBuf);

  875. 

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

  877.         fUiServer.writeMsg(fTmpBuf);

  878. 

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

  880.         fUiServer.writeMsg(fTmpBuf);

  881. 

  882.         fUiServer.writeAndFixMsg(valueStr);

  883.     }

  884. 

  885.     // -------------------------------------------------------------------

  886.     // Plugin parameter calls

  887. 

  888.     uint32_t getParameterCount() const

  889.     {

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

  891.             return plugin->getParameterCount();

  892. 

  893.         return 0;

  894.     }

  895. 

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

  897.     {

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

  899.         {

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

  901.             {

  902.                 static NativeParameter param;

  903.                 static char strBufName[STR_MAX+1];

  904.                 static char strBufUnit[STR_MAX+1];

  905. 

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

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

  908. 

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

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

  911. 

  912.                 uint hints = 0x0;

  913. 

  914.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  915.                     hints |= ::PARAMETER_IS_BOOLEAN;

  916.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  917.                     hints |= ::PARAMETER_IS_INTEGER;

  918.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  919.                     hints |= ::PARAMETER_IS_LOGARITHMIC;

  920.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  921.                     hints |= ::PARAMETER_IS_AUTOMABLE;

  922.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  923.                     hints |= ::PARAMETER_USES_SAMPLE_RATE;

  924.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  925.                     hints |= ::PARAMETER_USES_SCALEPOINTS;

  926.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  927.                     hints |= ::PARAMETER_USES_CUSTOM_TEXT;

  928. 

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

  930.                 {

  931.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  932.                         hints |= ::PARAMETER_IS_ENABLED;

  933.                     if (paramData.type == PARAMETER_OUTPUT)

  934.                         hints |= ::PARAMETER_IS_OUTPUT;

  935.                 }

  936. 

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

  938.                 param.name  = strBufName;

  939.                 param.unit  = strBufUnit;

  940.                 param.ranges.def = paramRanges.def;

  941.                 param.ranges.min = paramRanges.min;

  942.                 param.ranges.max = paramRanges.max;

  943.                 param.ranges.step = paramRanges.step;

  944.                 param.ranges.stepSmall = paramRanges.stepSmall;

  945.                 param.ranges.stepLarge = paramRanges.stepLarge;

  946.                 param.scalePointCount = 0; // TODO

  947.                 param.scalePoints = nullptr;

  948. 

  949.                 return &param;

  950.             }

  951.         }

  952. 

  953.         return nullptr;

  954.     }

  955. 

  956.     float getParameterValue(const uint32_t index) const

  957.     {

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

  959.         {

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

  961.                 return plugin->getParameterValue(index);

  962.         }

  963. 

  964.         return 0.0f;

  965.     }

  966. 

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

  968.     {

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

  970.         {

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

  972.             {

  973.                 static char strBuf[STR_MAX+1];

  974.                 carla_zeroChar(strBuf, STR_MAX+1);

  975. 

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

  977. 

  978.                 return strBuf;

  979.             }

  980.         }

  981. 

  982.         return nullptr;

  983.     }

  984. 

  985.     // -------------------------------------------------------------------

  986.     // Plugin midi-program calls

  987. 

  988.     uint32_t getMidiProgramCount() const

  989.     {

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

  991.             return plugin->getMidiProgramCount();

  992. 

  993.         return 0;

  994.     }

  995. 

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

  997.     {

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

  999.         {

  1000.             if (index < plugin->getMidiProgramCount())

  1001.             {

  1002.                 static NativeMidiProgram midiProg;

  1003. 

  1004.                 {

  1005.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1006. 

  1007.                     midiProg.bank    = midiProgData.bank;

  1008.                     midiProg.program = midiProgData.program;

  1009.                     midiProg.name    = midiProgData.name;

  1010.                 }

  1011. 

  1012.                 return &midiProg;

  1013.             }

  1014.         }

  1015. 

  1016.         return nullptr;

  1017.     }

  1018. 

  1019.     // -------------------------------------------------------------------

  1020.     // Plugin state calls

  1021. 

  1022.     void setParameterValue(const uint32_t index, const float value)

  1023.     {

  1024.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1025.         {

  1026.             if (index < plugin->getParameterCount())

  1027.                 plugin->setParameterValue(index, value, false, false, false);

  1028.         }

  1029.     }

  1030. 

  1031.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1032.     {

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

  1034.             plugin->setMidiProgramById(bank, program, false, false, false);

  1035.     }

  1036. 

  1037.     // -------------------------------------------------------------------

  1038.     // Plugin process calls

  1039. 

  1040.     void activate()

  1041.     {

  1042. #if 0

  1043.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1044.         {

  1045.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1046. 

  1047.             if (plugin == nullptr || ! plugin->isEnabled())

  1048.                 continue;

  1049. 

  1050.             plugin->setActive(true, true, false);

  1051.         }

  1052. #endif

  1053.         fIsActive = true;

  1054.     }

  1055. 

  1056.     void deactivate()

  1057.     {

  1058.         fIsActive = false;

  1059. #if 0

  1060.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1061.         {

  1062.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1063. 

  1064.             if (plugin == nullptr || ! plugin->isEnabled())

  1065.                 continue;

  1066. 

  1067.             plugin->setActive(false, true, false);

  1068.         }

  1069. #endif

  1070. 

  1071.         // just in case

  1072.         runPendingRtEvents();

  1073.     }

  1074. 

  1075.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1076.     {

  1077.         if (pData->curPluginCount == 0 && ! fIsPatchbay)

  1078.         {

  1079.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1080.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1081. 

  1082.             return runPendingRtEvents();;

  1083.         }

  1084. 

  1085.         // ---------------------------------------------------------------

  1086.         // Time Info

  1087. 

  1088.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1089. 

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

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

  1092.         pData->timeInfo.usecs   = timeInfo->usecs;

  1093.         pData->timeInfo.valid   = 0x0;

  1094. 

  1095.         if (timeInfo->bbt.valid)

  1096.         {

  1097.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1098. 

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

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

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

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

  1103. 

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

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

  1106. 

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

  1108.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1109.         }

  1110. 

  1111.         // ---------------------------------------------------------------

  1112.         // initialize events

  1113. 

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

  1115.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1116. 

  1117.         // ---------------------------------------------------------------

  1118.         // events input (before processing)

  1119. 

  1120.         {

  1121.             uint32_t engineEventIndex = 0;

  1122. 

  1123.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1124.             {

  1125.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1126.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1127. 

  1128.                 engineEvent.time = midiEvent.time;

  1129.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1130. 

  1131.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1132.                     break;

  1133.             }

  1134.         }

  1135. 

  1136.         if (fIsPatchbay)

  1137.         {

  1138.             // -----------------------------------------------------------

  1139.             // process

  1140. 

  1141.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1142.         }

  1143.         else

  1144.         {

  1145.             // -----------------------------------------------------------

  1146.             // create audio buffers

  1147. 

  1148.             const float* inBuf[2]  = { inBuffer[0], inBuffer[1] };

  1149.                   float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1150. 

  1151.             // -----------------------------------------------------------

  1152.             // process

  1153. 

  1154.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1155.         }

  1156. 

  1157.         // ---------------------------------------------------------------

  1158.         // events output (after processing)

  1159. 

  1160.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1161. 

  1162.         {

  1163.             NativeMidiEvent midiEvent;

  1164. 

  1165.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1166.             {

  1167.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1168. 

  1169.                 if (engineEvent.type == kEngineEventTypeNull)

  1170.                     break;

  1171. 

  1172.                 midiEvent.time = engineEvent.time;

  1173. 

  1174.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1175.                 {

  1176.                     midiEvent.port = 0;

  1177.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1178.                 }

  1179.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1180.                 {

  1181.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1182.                         continue;

  1183. 

  1184.                     midiEvent.port = engineEvent.midi.port;

  1185.                     midiEvent.size = engineEvent.midi.size;

  1186. 

  1187.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1188. 

  1189.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1190.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1191.                 }

  1192.                 else

  1193.                 {

  1194.                     carla_stderr("Unknown event type...");

  1195.                     continue;

  1196.                 }

  1197. 

  1198.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1199.             }

  1200.         }

  1201. 

  1202.         runPendingRtEvents();

  1203.     }

  1204. 

  1205.     // -------------------------------------------------------------------

  1206.     // Plugin UI calls

  1207. 

  1208.     void uiShow(const bool show)

  1209.     {

  1210.         if (show)

  1211.         {

  1212.             if (fUiServer.isOk())

  1213.                 return;

  1214. 

  1215.             CarlaString path(pHost->resourceDir);

  1216.             path += "/carla-plugin";

  1217. 

  1218.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1219. 

  1220.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1221.             fUiServer.start();

  1222. 

  1223.             for (uint i=0; i < pData->curPluginCount; ++i)

  1224.             {

  1225.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1226. 

  1227.                 if (plugin != nullptr && plugin->isEnabled())

  1228.                 {

  1229.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1230.                 }

  1231.             }

  1232.         }

  1233.         else

  1234.         {

  1235.             fUiServer.stop();

  1236.         }

  1237.     }

  1238. 

  1239.     void uiIdle()

  1240.     {

  1241.         CarlaEngine::idle();

  1242.         fUiServer.idle();

  1243. 

  1244.         if (! fUiServer.isOk())

  1245.             return;

  1246. 

  1247.         for (uint i=0; i < pData->curPluginCount; ++i)

  1248.         {

  1249.             const EnginePluginData& plugData(pData->plugins[i]);

  1250.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1251. 

  1252.             {

  1253.                 const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1254. 

  1255.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1256.                 fUiServer.writeMsg(fTmpBuf);

  1257. 

  1258.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1259.                 fUiServer.writeMsg(fTmpBuf);

  1260.             }

  1261. 

  1262.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1263.             {

  1264.                 if (plugin->isParameterOutput(j))

  1265.                     continue;

  1266. 

  1267.                 const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1268. 

  1269.                 std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1270.                 fUiServer.writeMsg(fTmpBuf);

  1271.                 std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1272.                 fUiServer.writeMsg(fTmpBuf);

  1273.             }

  1274.         }

  1275. 

  1276.         switch (fUiServer.getAndResetUiState())

  1277.         {

  1278.         case CarlaExternalUI::UiNone:

  1279.         case CarlaExternalUI::UiShow:

  1280.             break;

  1281.         case CarlaExternalUI::UiCrashed:

  1282.             pHost->dispatcher(pHost->handle, HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1283.             break;

  1284.         case CarlaExternalUI::UiHide:

  1285.             pHost->ui_closed(pHost->handle);

  1286.             fUiServer.stop();

  1287.             break;

  1288.         }

  1289.     }

  1290. 

  1291.     // -------------------------------------------------------------------

  1292.     // Plugin state calls

  1293. 

  1294.     char* getState() const

  1295.     {

  1296.         MemoryOutputStream out;

  1297.         out << "<?xml version='1.0' encoding='UTF-8'?>\n";

  1298.         out << "<!DOCTYPE CARLA-PROJECT>\n";

  1299.         out << "<CARLA-PROJECT VERSION='2.0'>\n";

  1300. 

  1301.         bool firstPlugin = true;

  1302.         char strBuf[STR_MAX+1];

  1303. 

  1304.         for (uint i=0; i < pData->curPluginCount; ++i)

  1305.         {

  1306.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1307. 

  1308.             if (plugin != nullptr && plugin->isEnabled())

  1309.             {

  1310.                 if (! firstPlugin)

  1311.                     out << "\n";

  1312. 

  1313.                 strBuf[0] = '\0';

  1314. 

  1315.                 plugin->getRealName(strBuf);

  1316. 

  1317.                 //if (strBuf[0] != '\0')

  1318.                 //    out << QString(" <!-- %1 -->\n").arg(xmlSafeString(strBuf, true));

  1319. 

  1320.                 out << " <Plugin>\n";

  1321.                 out << plugin->getStateSave().toString();

  1322.                 out << " </Plugin>\n";

  1323. 

  1324.                 firstPlugin = false;

  1325.             }

  1326.         }

  1327. 

  1328.         out << "</CARLA-PROJECT>\n";

  1329. 

  1330.         return strdup(out.toString().toRawUTF8());

  1331.     }

  1332. 

  1333.     void setState(const char* const data)

  1334.     {

  1335.         const String text(data);

  1336.         XmlDocument xml(text);

  1337. 

  1338.         ScopedPointer<XmlElement> xmlElement(xml.getDocumentElement(true));

  1339.         CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);

  1340.         CARLA_SAFE_ASSERT_RETURN(xmlElement->getTagName().equalsIgnoreCase("carla-project"),);

  1341. 

  1342.         // completely load file

  1343.         xmlElement = xml.getDocumentElement(false);

  1344.         CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);

  1345. 

  1346.         //bool pluginsAdded = false;

  1347. 

  1348.         for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())

  1349.         {

  1350.             const String& tagName(elem->getTagName());

  1351. 

  1352.             if (tagName.equalsIgnoreCase("plugin"))

  1353.             {

  1354.                 StateSave stateSave;

  1355.                 stateSave.fillFromXmlElement(elem);

  1356. 

  1357.                 CARLA_SAFE_ASSERT_CONTINUE(stateSave.type != nullptr);

  1358. 

  1359.                 const void* extraStuff = nullptr;

  1360. 

  1361.                 // check if using GIG or SF2 16outs

  1362.                 static const char kUse16OutsSuffix[] = " (16 outs)";

  1363. 

  1364.                 const BinaryType btype(getBinaryTypeFromFile(stateSave.binary));

  1365.                 const PluginType ptype(getPluginTypeFromString(stateSave.type));

  1366. 

  1367.                 if (CarlaString(stateSave.label).endsWith(kUse16OutsSuffix))

  1368.                 {

  1369.                     if (ptype == PLUGIN_GIG || ptype == PLUGIN_SF2)

  1370.                         extraStuff = "true";

  1371.                 }

  1372. 

  1373.                 // TODO - proper find&load plugins

  1374. 

  1375.                 if (addPlugin(btype, ptype, stateSave.binary, stateSave.name, stateSave.label, stateSave.uniqueId, extraStuff))

  1376.                 {

  1377.                     if (CarlaPlugin* const plugin = getPlugin(pData->curPluginCount-1))

  1378.                         plugin->loadStateSave(stateSave);

  1379.                 }

  1380. 

  1381.                 //pluginsAdded = true;

  1382.             }

  1383.         }

  1384. 

  1385.         //if (pluginsAdded)

  1386.         //    pHost->dispatcher(pHost->handle, HOST_OPCODE_RELOAD_ALL, 0, 0, nullptr, 0.0f);

  1387.     }

  1388. 

  1389.     // -------------------------------------------------------------------

  1390. 

  1391. public:

  1392.     #define handlePtr ((CarlaEngineNative*)handle)

  1393. 

  1394.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1395.     {

  1396.         return new CarlaEngineNative(host, false);

  1397.     }

  1398. 

  1399.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1400.     {

  1401.         return new CarlaEngineNative(host, true);

  1402.     }

  1403. 

  1404.     static void _cleanup(NativePluginHandle handle)

  1405.     {

  1406.         delete handlePtr;

  1407.     }

  1408. 

  1409.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1410.     {

  1411.         return handlePtr->getParameterCount();

  1412.     }

  1413. 

  1414.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1415.     {

  1416.         return handlePtr->getParameterInfo(index);

  1417.     }

  1418. 

  1419.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1420.     {

  1421.         return handlePtr->getParameterValue(index);

  1422.     }

  1423. 

  1424.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1425.     {

  1426.         return handlePtr->getParameterText(index /*, value*/);

  1427.     }

  1428. 

  1429.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1430.     {

  1431.         return handlePtr->getMidiProgramCount();

  1432.     }

  1433. 

  1434.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1435.     {

  1436.         return handlePtr->getMidiProgramInfo(index);

  1437.     }

  1438. 

  1439.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1440.     {

  1441.         handlePtr->setParameterValue(index, value);

  1442.     }

  1443. 

  1444.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1445.     {

  1446.         handlePtr->setMidiProgram(channel, bank, program);

  1447.     }

  1448. 

  1449.     static void _ui_show(NativePluginHandle handle, bool show)

  1450.     {

  1451.         handlePtr->uiShow(show);

  1452.     }

  1453. 

  1454.     static void _ui_idle(NativePluginHandle handle)

  1455.     {

  1456.         handlePtr->uiIdle();

  1457.     }

  1458. 

  1459.     static void _activate(NativePluginHandle handle)

  1460.     {

  1461.         handlePtr->activate();

  1462.     }

  1463. 

  1464.     static void _deactivate(NativePluginHandle handle)

  1465.     {

  1466.         handlePtr->deactivate();

  1467.     }

  1468. 

  1469.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1470.     {

  1471.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1472.     }

  1473. 

  1474.     static char* _get_state(NativePluginHandle handle)

  1475.     {

  1476.         return handlePtr->getState();

  1477.     }

  1478. 

  1479.     static void _set_state(NativePluginHandle handle, const char* data)

  1480.     {

  1481.         handlePtr->setState(data);

  1482.     }

  1483. 

  1484.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1485.     {

  1486.         switch(opcode)

  1487.         {

  1488.         case PLUGIN_OPCODE_NULL:

  1489.             return 0;

  1490.         case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1491.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1492.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1493.             return 0;

  1494.         case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1495.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1496.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1497.             return 0;

  1498.         case PLUGIN_OPCODE_OFFLINE_CHANGED:

  1499.             handlePtr->offlineModeChanged(value != 0);

  1500.             return 0;

  1501.         case PLUGIN_OPCODE_UI_NAME_CHANGED:

  1502.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1503.             return 0;

  1504.         }

  1505. 

  1506.         return 0;

  1507. 

  1508.         // unused

  1509.         (void)index;

  1510.         (void)ptr;

  1511.     }

  1512. 

  1513.     // -------------------------------------------------------------------

  1514. 

  1515.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1516.     {

  1517.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1518.     }

  1519. 

  1520.     // -------------------------------------------------------------------

  1521. 

  1522.     #undef handlePtr

  1523. 

  1524. private:

  1525.     const NativeHostDescriptor* const pHost;

  1526. 

  1527.     const bool fIsPatchbay; // rack if false

  1528.     bool fIsActive, fIsRunning;

  1529.     CarlaEngineNativeUI fUiServer;

  1530. 

  1531.     char fTmpBuf[STR_MAX+1];

  1532. 

  1533.     CarlaPlugin* _getFirstPlugin() const noexcept

  1534.     {

  1535.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1536.             return nullptr;

  1537. 

  1538.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1539. 

  1540.         if (plugin == nullptr || ! plugin->isEnabled())

  1541.             return nullptr;

  1542. 

  1543.         return pData->plugins[0].plugin;

  1544.     }

  1545. 

  1546.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1547. };

  1548. 

  1549. // -----------------------------------------------------------------------

  1550. 

  1551. static const NativePluginDescriptor carlaRackDesc = {

  1552.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1553.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1554.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1555.     /* audioIns  */ 2,

  1556.     /* audioOuts */ 2,

  1557.     /* midiIns   */ 1,

  1558.     /* midiOuts  */ 1,

  1559.     /* paramIns  */ 0,

  1560.     /* paramOuts */ 0,

  1561.     /* name      */ "Carla-Rack",

  1562.     /* label     */ "carlarack",

  1563.     /* maker     */ "falkTX",

  1564.     /* copyright */ "GNU GPL v2+",

  1565.     CarlaEngineNative::_instantiateRack,

  1566.     CarlaEngineNative::_cleanup,

  1567.     CarlaEngineNative::_get_parameter_count,

  1568.     CarlaEngineNative::_get_parameter_info,

  1569.     CarlaEngineNative::_get_parameter_value,

  1570.     CarlaEngineNative::_get_parameter_text,

  1571.     CarlaEngineNative::_get_midi_program_count,

  1572.     CarlaEngineNative::_get_midi_program_info,

  1573.     CarlaEngineNative::_set_parameter_value,

  1574.     CarlaEngineNative::_set_midi_program,

  1575.     /* _set_custom_data        */ nullptr,

  1576.     CarlaEngineNative::_ui_show,

  1577.     CarlaEngineNative::_ui_idle,

  1578.     /* _ui_set_parameter_value */ nullptr,

  1579.     /* _ui_set_midi_program    */ nullptr,

  1580.     /* _ui_set_custom_data     */ nullptr,

  1581.     CarlaEngineNative::_activate,

  1582.     CarlaEngineNative::_deactivate,

  1583.     CarlaEngineNative::_process,

  1584.     CarlaEngineNative::_get_state,

  1585.     CarlaEngineNative::_set_state,

  1586.     CarlaEngineNative::_dispatcher

  1587. };

  1588. 

  1589. #if 0

  1590. static const NativePluginDescriptor carlaPatchbayDesc = {

  1591.     /* category  */ ::PLUGIN_CATEGORY_OTHER,

  1592.     /* hints     */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),

  1593.     /* supports  */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),

  1594.     /* audioIns  */ 2,

  1595.     /* audioOuts */ 2,

  1596.     /* midiIns   */ 1,

  1597.     /* midiOuts  */ 1,

  1598.     /* paramIns  */ 0,

  1599.     /* paramOuts */ 0,

  1600.     /* name      */ "Carla-Patchbay",

  1601.     /* label     */ "carlapatchbay",

  1602.     /* maker     */ "falkTX",

  1603.     /* copyright */ "GNU GPL v2+",

  1604.     CarlaEngineNative::_instantiatePatchbay,

  1605.     CarlaEngineNative::_cleanup,

  1606.     CarlaEngineNative::_get_parameter_count,

  1607.     CarlaEngineNative::_get_parameter_info,

  1608.     CarlaEngineNative::_get_parameter_value,

  1609.     CarlaEngineNative::_get_parameter_text,

  1610.     CarlaEngineNative::_get_midi_program_count,

  1611.     CarlaEngineNative::_get_midi_program_info,

  1612.     CarlaEngineNative::_set_parameter_value,

  1613.     CarlaEngineNative::_set_midi_program,

  1614.     /* _set_custom_data        */ nullptr,

  1615.     CarlaEngineNative::_ui_show,

  1616.     CarlaEngineNative::_ui_idle,

  1617.     /* _ui_set_parameter_value */ nullptr,

  1618.     /* _ui_set_midi_program    */ nullptr,

  1619.     /* _ui_set_custom_data     */ nullptr,

  1620.     CarlaEngineNative::_activate,

  1621.     CarlaEngineNative::_deactivate,

  1622.     CarlaEngineNative::_process,

  1623.     CarlaEngineNative::_get_state,

  1624.     CarlaEngineNative::_set_state,

  1625.     CarlaEngineNative::_dispatcher

  1626. };

  1627. #endif

  1628. 

  1629. CARLA_BACKEND_END_NAMESPACE

  1630. 

  1631. // -----------------------------------------------------------------------

  1632. 

  1633. CARLA_EXPORT

  1634. void carla_register_native_plugin_carla();

  1635. 

  1636. void carla_register_native_plugin_carla()

  1637. {

  1638.     CARLA_BACKEND_USE_NAMESPACE;

  1639.     carla_register_native_plugin(&carlaRackDesc);

  1640. #if 0

  1641.     carla_register_native_plugin(&carlaPatchbayDesc);

  1642. #endif

  1643. }

  1644. 

  1645. // -----------------------------------------------------------------------

  1646. 

  1647. CARLA_EXPORT

  1648. const NativePluginDescriptor* get_carla_native_plugin();

  1649. 

  1650. const NativePluginDescriptor* get_carla_native_plugin()

  1651. {

  1652.     CARLA_BACKEND_USE_NAMESPACE;

  1653.     return &carlaRackDesc;

  1654. }

  1655. 

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

  1657. // Extra stuff for linking purposes

  1658. 

  1659. #ifdef CARLA_PLUGIN_EXPORT

  1660. 

  1661. CARLA_BACKEND_START_NAMESPACE

  1662. 

  1663. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1664. 

  1665. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1666. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1667. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

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

  1669. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1670. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1671. # else

  1672. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1673. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

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

  1675. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1676. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1677. # endif

  1678. 

  1679. CARLA_BACKEND_END_NAMESPACE

  1680. 

  1681. #include "CarlaPluginUI.cpp"

  1682. #include "CarlaDssiUtils.cpp"

  1683. #include "CarlaStateUtils.cpp"

  1684. 

  1685. #endif

  1686. 

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