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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) 2011-2019 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_ALTERNATIVE_ARCH

  21. # error This file should not be compiled if building alternative-arch bridges

  22. #endif

  23. 

  24. #include "CarlaEngineInternal.hpp"

  25. #include "CarlaPlugin.hpp"

  26. 

  27. #include "CarlaBackendUtils.hpp"

  28. #include "CarlaBase64Utils.hpp"

  29. #include "CarlaBinaryUtils.hpp"

  30. #include "CarlaMathUtils.hpp"

  31. #include "CarlaStateUtils.hpp"

  32. 

  33. #include "CarlaExternalUI.hpp"

  34. #include "CarlaHost.h"

  35. #include "CarlaNative.hpp"

  36. #include "CarlaNativePlugin.h"

  37. 

  38. #if defined(USING_JUCE) && ! (defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN))

  39. # include "AppConfig.h"

  40. # include "juce_events/juce_events.h"

  41. # define USE_JUCE_MESSAGE_THREAD

  42. #endif

  43. 

  44. #include "water/files/File.h"

  45. #include "water/streams/MemoryOutputStream.h"

  46. #include "water/xml/XmlDocument.h"

  47. #include "water/xml/XmlElement.h"

  48. 

  49. using water::File;

  50. using water::MemoryOutputStream;

  51. using water::String;

  52. using water::XmlDocument;

  53. using water::XmlElement;

  54. 

  55. CARLA_BACKEND_START_NAMESPACE

  56. 

  57. // -----------------------------------------------------------------------

  58. 

  59. #ifdef USE_JUCE_MESSAGE_THREAD

  60. static int numScopedInitInstances = 0;

  61. 

  62. class SharedJuceMessageThread : public juce::Thread

  63. {

  64. public:

  65.     SharedJuceMessageThread()

  66.       : juce::Thread ("SharedJuceMessageThread"),

  67.         initialised (false) {}

  68. 

  69.     ~SharedJuceMessageThread()

  70.     {

  71.         CARLA_SAFE_ASSERT(numScopedInitInstances == 0);

  72. 

  73.         // in case something fails

  74.         juce::MessageManager::getInstance()->stopDispatchLoop();

  75.         waitForThreadToExit (5000);

  76.     }

  77. 

  78.     void incRef()

  79.     {

  80.         if (numScopedInitInstances++ == 0)

  81.         {

  82.             startThread (7);

  83. 

  84.             while (! initialised)

  85.                 juce::Thread::sleep (1);

  86.         }

  87.     }

  88. 

  89.     void decRef()

  90.     {

  91.         if (--numScopedInitInstances == 0)

  92.         {

  93.             juce::MessageManager::getInstance()->stopDispatchLoop();

  94.             waitForThreadToExit (5000);

  95.         }

  96.     }

  97. 

  98. protected:

  99.     void run() override

  100.     {

  101.         const juce::ScopedJuceInitialiser_GUI juceInitialiser;

  102. 

  103.         juce::MessageManager::getInstance()->setCurrentThreadAsMessageThread();

  104.         initialised = true;

  105. 

  106.         juce::MessageManager::getInstance()->runDispatchLoop();

  107.     }

  108. 

  109. private:

  110.     volatile bool initialised;

  111. };

  112. #endif

  113. 

  114. // -----------------------------------------------------------------------

  115. 

  116. class CarlaEngineNativeUI : public CarlaExternalUI

  117. {

  118. public:

  119.     CarlaEngineNativeUI(CarlaEngine* const engine)

  120.         : fEngine(engine)

  121.     {

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

  123.     }

  124. 

  125.     ~CarlaEngineNativeUI() noexcept override

  126.     {

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

  128.     }

  129. 

  130. protected:

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

  132.     {

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

  134.             return true;

  135. 

  136.         bool ok = true;

  137. 

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

  139.         {

  140.             uint32_t option;

  141.             int32_t value;

  142.             const char* valueStr = nullptr;

  143. 

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

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

  146.             readNextLineAsString(valueStr); // can be null

  147. 

  148.             try {

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

  150.             } CARLA_SAFE_EXCEPTION("setOption");

  151. 

  152.             if (valueStr != nullptr)

  153.                 delete[] valueStr;

  154.         }

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

  156.         {

  157.             fEngine->setActionCanceled(true);

  158.         }

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

  160.         {

  161.             const char* filename;

  162. 

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

  164. 

  165.             try {

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

  167.             } CARLA_SAFE_EXCEPTION("loadFile");

  168. 

  169.             delete[] filename;

  170.         }

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

  172.         {

  173.             const char* filename;

  174. 

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

  176. 

  177.             try {

  178.                 ok = fEngine->loadProject(filename, true);

  179.             } CARLA_SAFE_EXCEPTION("loadProject");

  180. 

  181.             delete[] filename;

  182.         }

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

  184.         {

  185.             const char* filename;

  186. 

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

  188. 

  189.             try {

  190.                 ok = fEngine->saveProject(filename, true);

  191.             } CARLA_SAFE_EXCEPTION("saveProject");

  192. 

  193.             delete[] filename;

  194.         }

  195.         else if (std::strcmp(msg, "clear_project_filename") == 0)

  196.         {

  197.             fEngine->clearCurrentProjectFilename();

  198.         }

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

  200.         {

  201.             uint32_t groupA, portA, groupB, portB;

  202. 

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

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

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

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

  207. 

  208.             try {

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

  210.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  211.         }

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

  213.         {

  214.             uint32_t connectionId;

  215. 

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

  217. 

  218.             try {

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

  220.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  221.         }

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

  223.         {

  224.             try {

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

  226.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  227.         }

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

  229.         {

  230.             fEngine->transportPlay();

  231.         }

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

  233.         {

  234.             fEngine->transportPause();

  235.         }

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

  237.         {

  238.             double bpm;

  239. 

  240.             CARLA_SAFE_ASSERT_RETURN(readNextLineAsDouble(bpm), true);

  241. 

  242.             fEngine->transportBPM(bpm);

  243.         }

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

  245.         {

  246.             uint64_t frame;

  247. 

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

  249. 

  250.             fEngine->transportRelocate(frame);

  251.         }

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

  253.         {

  254.             uint32_t btype, ptype;

  255.             const char* filename = nullptr;

  256.             const char* name;

  257.             const char* label;

  258.             int64_t uniqueId;

  259.             uint options;

  260. 

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

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

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

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

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

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

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

  268. 

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

  270.             {

  271.                 delete[] filename;

  272.                 filename = nullptr;

  273.             }

  274. 

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

  276.             {

  277.                 delete[] name;

  278.                 name = nullptr;

  279.             }

  280. 

  281.             ok = fEngine->addPlugin(static_cast<BinaryType>(btype), static_cast<PluginType>(ptype),

  282.                                     filename, name, label, uniqueId, nullptr, options);

  283. 

  284.             if (filename != nullptr)

  285.                 delete[] filename;

  286.             if (name != nullptr)

  287.                 delete[] name;

  288.             delete[] label;

  289.         }

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

  291.         {

  292.             uint32_t pluginId;

  293. 

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

  295. 

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

  297.         }

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

  299.         {

  300.             ok = fEngine->removeAllPlugins();

  301.         }

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

  303.         {

  304.             uint32_t pluginId;

  305.             const char* newName;

  306. 

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

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

  309. 

  310.             // TODO

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

  312. 

  313.             delete[] newName;

  314.         }

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

  316.         {

  317.             uint32_t pluginId;

  318. 

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

  320. 

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

  322.         }

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

  324.         {

  325.             uint32_t pluginId;

  326. 

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

  328. 

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

  330.         }

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

  332.         {

  333.             uint32_t pluginIdA, pluginIdB;

  334. 

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

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

  337. 

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

  339.         }

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

  341.         {

  342.             uint32_t pluginId;

  343.             const char* filename;

  344. 

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

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

  347. 

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

  349.                 plugin->loadStateFromFile(filename);

  350. 

  351.             delete[] filename;

  352.         }

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

  354.         {

  355.             uint32_t pluginId;

  356.             const char* filename;

  357. 

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

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

  360. 

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

  362.                 plugin->saveStateToFile(filename);

  363. 

  364.             delete[] filename;

  365.         }

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

  367.         {

  368.             uint32_t pluginId, option;

  369.             bool yesNo;

  370. 

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

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

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

  374. 

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

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

  377.         }

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

  379.         {

  380.             uint32_t pluginId;

  381.             bool onOff;

  382. 

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

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

  385. 

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

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

  388.         }

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

  390.         {

  391.             uint32_t pluginId;

  392.             float value;

  393. 

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

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

  396. 

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

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

  399.         }

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

  401.         {

  402.             uint32_t pluginId;

  403.             float value;

  404. 

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

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

  407. 

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

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

  410.         }

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

  412.         {

  413.             uint32_t pluginId;

  414.             float value;

  415. 

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

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

  418. 

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

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

  421.         }

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

  423.         {

  424.             uint32_t pluginId;

  425.             float value;

  426. 

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

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

  429. 

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

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

  432.         }

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

  434.         {

  435.             uint32_t pluginId;

  436.             float value;

  437. 

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

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

  440. 

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

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

  443.         }

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

  445.         {

  446.             uint32_t pluginId;

  447.             int32_t channel;

  448. 

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

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

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

  452. 

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

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

  455.         }

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

  457.         {

  458.             uint32_t pluginId, parameterId;

  459.             float value;

  460. 

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

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

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

  464. 

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

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

  467.         }

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

  469.         {

  470.             uint32_t pluginId, parameterId, channel;

  471. 

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

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

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

  475.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  476. 

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

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

  479.         }

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

  481.         {

  482.             uint32_t pluginId, parameterId;

  483.             int32_t cc;

  484. 

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

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

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

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

  489. 

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

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

  492.         }

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

  494.         {

  495.             uint32_t pluginId;

  496.             int32_t index;

  497. 

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

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

  500. 

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

  502.             {

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

  504.                 _updateParamValues(plugin, pluginId);

  505.             }

  506.         }

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

  508.         {

  509.             uint32_t pluginId;

  510.             int32_t index;

  511. 

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

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

  514. 

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

  516.             {

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

  518.                 _updateParamValues(plugin, pluginId);

  519.             }

  520.         }

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

  522.         {

  523.             uint32_t pluginId;

  524.             const char* type;

  525.             const char* key;

  526.             const char* value;

  527. 

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

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

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

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

  532. 

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

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

  535. 

  536.             delete[] type;

  537.             delete[] key;

  538.             delete[] value;

  539.         }

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

  541.         {

  542.             uint32_t pluginId;

  543.             const char* cdata;

  544. 

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

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

  547. 

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

  549.             {

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

  551. #ifdef CARLA_PROPER_CPP11_SUPPORT

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

  553. #else

  554.                 plugin->setChunkData(&chunk.front(), chunk.size());

  555. #endif

  556.             }

  557. 

  558.             delete[] cdata;

  559.         }

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

  561.         {

  562.             uint32_t pluginId;

  563. 

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

  565. 

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

  567.                 plugin->prepareForSave();

  568.         }

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

  570.         {

  571.             uint32_t pluginId;

  572. 

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

  574. 

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

  576.                 plugin->resetParameters();

  577.         }

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

  579.         {

  580.             uint32_t pluginId;

  581. 

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

  583. 

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

  585.                 plugin->randomizeParameters();

  586.         }

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

  588.         {

  589.             uint32_t pluginId, channel, note, velocity;

  590. 

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

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

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

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

  595.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  596.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  597.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  598. 

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

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

  601.         }

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

  603.         {

  604.             uint32_t pluginId;

  605.             bool yesNo;

  606. 

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

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

  609. 

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

  611.                 plugin->showCustomUI(yesNo);

  612.         }

  613.         else

  614.         {

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

  616.             return false;

  617.         }

  618. 

  619.         if (! ok)

  620.         {

  621.             const CarlaMutexLocker cml(getPipeLock());

  622. 

  623.             if (writeMessage("error\n", 6) && writeAndFixMessage(fEngine->getLastError()))

  624.                 flushMessages();

  625.         }

  626. 

  627.         return true;

  628.     }

  629. 

  630. private:

  631.     CarlaEngine* const fEngine;

  632. 

  633.     void _updateParamValues(CarlaPlugin* const plugin, const uint32_t pluginId) const noexcept

  634.     {

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

  636.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

  637.                               pluginId, static_cast<int>(i), 0, plugin->getParameterValue(i), nullptr);

  638.     }

  639. 

  640.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  641. };

  642. 

  643. // -----------------------------------------------------------------------

  644. 

  645. class CarlaEngineNative : public CarlaEngine

  646. {

  647. public:

  648.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay, const bool withMidiOut,

  649.                       const uint32_t inChan = 2, uint32_t outChan = 2)

  650.         : CarlaEngine(),

  651.           pHost(host),

  652.           kIsPatchbay(isPatchbay),

  653.           kHasMidiOut(withMidiOut),

  654.           fIsActive(false),

  655.           fIsRunning(false),

  656.           fUiServer(this),

  657.           fOptionsForced(false)

  658. #ifdef USE_JUCE_MESSAGE_THREAD

  659.           // if not running inside Carla, we will have to run event loop ourselves

  660.         , kNeedsJuceMsgThread(host->dispatcher(pHost->handle,

  661.                                                NATIVE_HOST_OPCODE_INTERNAL_PLUGIN, 0, 0, nullptr, 0.0f) == 0)

  662. #endif

  663.     {

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

  665. 

  666. #ifdef USE_JUCE_MESSAGE_THREAD

  667.         if (kNeedsJuceMsgThread)

  668.             sJuceMsgThread->incRef();

  669. #endif

  670. 

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

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

  673.         pData->initTime(nullptr);

  674. 

  675.         if (outChan == 0)

  676.             outChan = inChan;

  677. 

  678.         // set-up engine

  679.         if (kIsPatchbay)

  680.         {

  681.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  682.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  683.             pData->options.forceStereo         = false;

  684.             pData->options.preferPluginBridges = false;

  685.             pData->options.preferUiBridges     = false;

  686.             init("Carla-Patchbay");

  687.             pData->graph.create(inChan, outChan);

  688.         }

  689.         else

  690.         {

  691.             CARLA_SAFE_ASSERT(inChan == 2);

  692.             CARLA_SAFE_ASSERT(outChan == 2);

  693.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  694.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  695.             pData->options.forceStereo         = true;

  696.             pData->options.preferPluginBridges = false;

  697.             pData->options.preferUiBridges     = false;

  698.             init("Carla-Rack");

  699.             pData->graph.create(0, 0); // FIXME?

  700.         }

  701. 

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

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

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

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

  706. 

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

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

  709. 

  710.         setCallback(_ui_server_callback, this);

  711.         setFileCallback(_ui_file_callback, this);

  712.     }

  713. 

  714.     ~CarlaEngineNative() override

  715.     {

  716.         CARLA_SAFE_ASSERT(! fIsActive);

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

  718. 

  719.         pData->aboutToClose = true;

  720.         fIsRunning = false;

  721. 

  722.         removeAllPlugins();

  723.         //runPendingRtEvents();

  724.         close();

  725. 

  726.         pData->graph.destroy();

  727. 

  728. #ifdef USE_JUCE_MESSAGE_THREAD

  729.         if (kNeedsJuceMsgThread)

  730.             sJuceMsgThread->decRef();

  731. #endif

  732. 

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

  734.     }

  735. 

  736. protected:

  737.     // -------------------------------------

  738.     // CarlaEngine virtual calls

  739. 

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

  741.     {

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

  743. 

  744.         fIsRunning = true;

  745. 

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

  747.         {

  748.             close();

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

  750.             return false;

  751.         }

  752. 

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

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

  755. 

  756.         return true;

  757.     }

  758. 

  759.     bool close() override

  760.     {

  761.         fIsRunning = false;

  762.         CarlaEngine::close();

  763.         return true;

  764.     }

  765. 

  766.     bool isRunning() const noexcept override

  767.     {

  768.         return fIsRunning;

  769.     }

  770. 

  771.     bool isOffline() const noexcept override

  772.     {

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

  774.     }

  775. 

  776.     bool usesConstantBufferSize() const noexcept override

  777.     {

  778.         // TODO LV2 hosts can report this, till then we allow this

  779.         return true;

  780.     }

  781. 

  782.     EngineType getType() const noexcept override

  783.     {

  784.         return kEngineTypePlugin;

  785.     }

  786. 

  787.     const char* getCurrentDriverName() const noexcept override

  788.     {

  789.         return "Plugin";

  790.     }

  791. 

  792.     void callback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr) noexcept override

  793.     {

  794.         CarlaEngine::callback(action, pluginId, value1, value2, value3, valueStr);

  795. 

  796.         if (action == ENGINE_CALLBACK_IDLE && ! pData->aboutToClose)

  797.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_HOST_IDLE, 0, 0, nullptr, 0.0f);

  798.     }

  799. 

  800.     // -------------------------------------------------------------------

  801. 

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

  803.     {

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

  805.         {

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

  807.             return retName;

  808.         }

  809. 

  810.         return nullptr;

  811.     }

  812. 

  813.     // -------------------------------------------------------------------

  814. 

  815.     void bufferSizeChanged(const uint32_t newBufferSize)

  816.     {

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

  818.             return;

  819. 

  820.         {

  821.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  822. 

  823.             if (fUiServer.writeAndFixMessage("buffer-size"))

  824.             {

  825.                 char tmpBuf[STR_MAX];

  826.                 carla_zeroChars(tmpBuf, STR_MAX);

  827. 

  828.                 std::sprintf(tmpBuf, "%i\n", newBufferSize);

  829. 

  830.                 if (fUiServer.writeMessage(tmpBuf))

  831.                     fUiServer.flushMessages();

  832.             }

  833.         }

  834. 

  835.         pData->bufferSize = newBufferSize;

  836.         CarlaEngine::bufferSizeChanged(newBufferSize);

  837.     }

  838. 

  839.     void sampleRateChanged(const double newSampleRate)

  840.     {

  841.         if (carla_isEqual(pData->sampleRate, newSampleRate))

  842.             return;

  843. 

  844.         {

  845.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  846. 

  847.             if (fUiServer.writeAndFixMessage("sample-rate"))

  848.             {

  849.                 char tmpBuf[STR_MAX];

  850.                 carla_zeroChars(tmpBuf, STR_MAX);

  851. 

  852.                 {

  853.                     const CarlaScopedLocale csl;

  854.                     std::sprintf(tmpBuf, "%f\n", newSampleRate);

  855.                 }

  856. 

  857.                 if (fUiServer.writeMessage(tmpBuf))

  858.                     fUiServer.flushMessages();

  859.             }

  860.         }

  861. 

  862.         pData->sampleRate = newSampleRate;

  863.         CarlaEngine::sampleRateChanged(newSampleRate);

  864.     }

  865. 

  866.     // -------------------------------------------------------------------

  867. 

  868.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  869.     {

  870.         char tmpBuf[STR_MAX];

  871.         carla_zeroChars(tmpBuf, STR_MAX);

  872. 

  873.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  874. 

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

  876. 

  877.         std::sprintf(tmpBuf, "PLUGIN_INFO_%i\n", pluginId);

  878.         if (! fUiServer.writeMessage(tmpBuf))

  879.             return;

  880. 

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

  882.         if (! fUiServer.writeMessage(tmpBuf))

  883.             return;

  884. 

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

  886.         {

  887.             std::sprintf(tmpBuf, "%s", filename);

  888.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  889.                 return;

  890.         }

  891.         else

  892.         {

  893.             if (! fUiServer.writeMessage("\n"))

  894.                 return;

  895.         }

  896. 

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

  898.         {

  899.             std::sprintf(tmpBuf, "%s", name);

  900.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  901.                 return;

  902.         }

  903.         else

  904.         {

  905.             if (! fUiServer.writeMessage("\n"))

  906.                 return;

  907.         }

  908. 

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

  910.         {

  911.             std::sprintf(tmpBuf, "%s", iconName);

  912.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  913.                 return;

  914.         }

  915.         else

  916.         {

  917.             if (! fUiServer.writeMessage("\n"))

  918.                 return;

  919.         }

  920. 

  921.         plugin->getRealName(tmpBuf);

  922.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  923.             return;

  924. 

  925.         plugin->getLabel(tmpBuf);

  926.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  927.             return;

  928. 

  929.         plugin->getMaker(tmpBuf);

  930.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  931.             return;

  932. 

  933.         plugin->getCopyright(tmpBuf);

  934.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  935.             return;

  936. 

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

  938.         if (! fUiServer.writeMessage(tmpBuf))

  939.             return;

  940. 

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

  942.         if (! fUiServer.writeMessage(tmpBuf))

  943.             return;

  944. 

  945.         fUiServer.flushMessages();

  946.     }

  947. 

  948.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  949.     {

  950.         char tmpBuf[STR_MAX];

  951.         carla_zeroChars(tmpBuf, STR_MAX);

  952. 

  953.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  954.         const CarlaScopedLocale csl;

  955. 

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

  957. 

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

  959.         {

  960.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  961.             if (! fUiServer.writeMessage(tmpBuf))

  962.                 return;

  963. 

  964.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getInternalParameterValue(i)));

  965.             if (! fUiServer.writeMessage(tmpBuf))

  966.                 return;

  967. 

  968.             fUiServer.flushMessages();

  969.         }

  970. 

  971.         uint32_t ins, outs, count;

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

  973.         count = plugin->getParameterCount();

  974. 

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

  976.         if (! fUiServer.writeMessage(tmpBuf))

  977.             return;

  978. 

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

  980.         {

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

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

  983. 

  984.             std::sprintf(tmpBuf, "PARAMETER_DATA_%i:%i\n", pluginId, i);

  985.             if (! fUiServer.writeMessage(tmpBuf))

  986.                 return;

  987. 

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

  989.             if (! fUiServer.writeMessage(tmpBuf))

  990.                 return;

  991. 

  992.             plugin->getParameterName(i, tmpBuf);

  993.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  994.                 return;

  995. 

  996.             plugin->getParameterUnit(i, tmpBuf);

  997.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  998.                 return;

  999. 

  1000.             std::sprintf(tmpBuf, "PARAMETER_RANGES_%i:%i\n", pluginId, i);

  1001.             if (! fUiServer.writeMessage(tmpBuf))

  1002.                 return;

  1003. 

  1004.             std::sprintf(tmpBuf, "%f:%f:%f:%f:%f:%f\n",

  1005.                          static_cast<double>(paramRanges.def),

  1006.                          static_cast<double>(paramRanges.min),

  1007.                          static_cast<double>(paramRanges.max),

  1008.                          static_cast<double>(paramRanges.step),

  1009.                          static_cast<double>(paramRanges.stepSmall),

  1010.                          static_cast<double>(paramRanges.stepLarge));

  1011.             if (! fUiServer.writeMessage(tmpBuf))

  1012.                 return;

  1013. 

  1014.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  1015.             if (! fUiServer.writeMessage(tmpBuf))

  1016.                 return;

  1017. 

  1018.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(i)));

  1019.             if (! fUiServer.writeMessage(tmpBuf))

  1020.                 return;

  1021.         }

  1022. 

  1023.         fUiServer.flushMessages();

  1024.     }

  1025. 

  1026.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  1027.     {

  1028.         char tmpBuf[STR_MAX];

  1029.         carla_zeroChars(tmpBuf, STR_MAX);

  1030. 

  1031.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1032. 

  1033.         const uint pluginId(plugin->getId());

  1034. 

  1035.         uint32_t count = plugin->getProgramCount();

  1036.         std::sprintf(tmpBuf, "PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentProgram());

  1037.         if (! fUiServer.writeMessage(tmpBuf))

  1038.             return;

  1039. 

  1040.         for (uint32_t i=0; i<count; ++i)

  1041.         {

  1042.             std::sprintf(tmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);

  1043.             if (! fUiServer.writeMessage(tmpBuf))

  1044.                 return;

  1045. 

  1046.             plugin->getProgramName(i, tmpBuf);

  1047.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1048.                 return;

  1049.         }

  1050. 

  1051.         fUiServer.flushMessages();

  1052. 

  1053.         count = plugin->getMidiProgramCount();

  1054.         std::sprintf(tmpBuf, "MIDI_PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentMidiProgram());

  1055.         if (! fUiServer.writeMessage(tmpBuf))

  1056.             return;

  1057. 

  1058.         for (uint32_t i=0; i<count; ++i)

  1059.         {

  1060.             std::sprintf(tmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);

  1061.             if (! fUiServer.writeMessage(tmpBuf))

  1062.                 return;

  1063. 

  1064.             const MidiProgramData& mpData(plugin->getMidiProgramData(i));

  1065. 

  1066.             std::sprintf(tmpBuf, "%i:%i\n", mpData.bank, mpData.program);

  1067.             if (! fUiServer.writeMessage(tmpBuf))

  1068.                 return;

  1069. 

  1070.             std::sprintf(tmpBuf, "%s", mpData.name);

  1071.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1072.                 return;

  1073.         }

  1074. 

  1075.         fUiServer.flushMessages();

  1076.     }

  1077. 

  1078.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  1079.     {

  1080.         char tmpBuf[STR_MAX];

  1081.         carla_zeroChars(tmpBuf, STR_MAX);

  1082. 

  1083.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1084. 

  1085.         const uint pluginId(plugin->getId());

  1086. 

  1087.         uint32_t count = plugin->getCustomDataCount();

  1088.         std::sprintf(tmpBuf, "CUSTOM_DATA_COUNT_%i:%i\n", pluginId, count);

  1089.         if (! fUiServer.writeMessage(tmpBuf))

  1090.             return;

  1091. 

  1092.         for (uint32_t i=0; i<count; ++i)

  1093.         {

  1094.             const CustomData& customData(plugin->getCustomData(i));

  1095.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  1096. 

  1097.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_PROPERTY) != 0)

  1098.                 continue;

  1099. 

  1100.             std::sprintf(tmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  1101.             if (! fUiServer.writeMessage(tmpBuf))

  1102.                 return;

  1103. 

  1104.             if (! fUiServer.writeAndFixMessage(customData.type))

  1105.                 return;

  1106.             if (! fUiServer.writeAndFixMessage(customData.key))

  1107.                 return;

  1108.             if (! fUiServer.writeAndFixMessage(customData.value))

  1109.                 return;

  1110.         }

  1111. 

  1112.         fUiServer.flushMessages();

  1113.     }

  1114. 

  1115.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr)

  1116.     {

  1117.         if (! fIsRunning)

  1118.             return;

  1119.         if (! fUiServer.isPipeRunning())

  1120.             return;

  1121. 

  1122.         CarlaPlugin* plugin;

  1123. 

  1124.         switch (action)

  1125.         {

  1126.         case ENGINE_CALLBACK_UPDATE:

  1127.             plugin = getPlugin(pluginId);

  1128. 

  1129.             if (plugin != nullptr && plugin->isEnabled())

  1130.             {

  1131.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1132.                 uiServerSendPluginProperties(plugin);

  1133.             }

  1134.             break;

  1135. 

  1136.         case ENGINE_CALLBACK_RELOAD_INFO:

  1137.             plugin = getPlugin(pluginId);

  1138. 

  1139.             if (plugin != nullptr && plugin->isEnabled())

  1140.             {

  1141.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1142.                 uiServerSendPluginInfo(plugin);

  1143.             }

  1144.             break;

  1145. 

  1146.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1147.             plugin = getPlugin(pluginId);

  1148. 

  1149.             if (plugin != nullptr && plugin->isEnabled())

  1150.             {

  1151.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1152.                 uiServerSendPluginParameters(plugin);

  1153.             }

  1154.             break;

  1155. 

  1156.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1157.             plugin = getPlugin(pluginId);

  1158. 

  1159.             if (plugin != nullptr && plugin->isEnabled())

  1160.             {

  1161.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1162.                 uiServerSendPluginPrograms(plugin);

  1163.             }

  1164.             break;

  1165. 

  1166.         case ENGINE_CALLBACK_RELOAD_ALL:

  1167.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1168.             plugin = getPlugin(pluginId);

  1169. 

  1170.             if (plugin != nullptr && plugin->isEnabled())

  1171.             {

  1172.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1173.                 uiServerSendPluginInfo(plugin);

  1174.                 uiServerSendPluginParameters(plugin);

  1175.                 uiServerSendPluginPrograms(plugin);

  1176.                 uiServerSendPluginProperties(plugin);

  1177.             }

  1178.             break;

  1179. 

  1180.         default:

  1181.             break;

  1182.         }

  1183. 

  1184.         char tmpBuf[STR_MAX];

  1185.         carla_zeroChars(tmpBuf, STR_MAX);

  1186. 

  1187.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1188. 

  1189.         std::sprintf(tmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1190.         if (! fUiServer.writeMessage(tmpBuf))

  1191.             return;

  1192.         std::sprintf(tmpBuf, "%u\n", pluginId);

  1193.         if (! fUiServer.writeMessage(tmpBuf))

  1194.             return;

  1195.         std::sprintf(tmpBuf, "%i\n", value1);

  1196.         if (! fUiServer.writeMessage(tmpBuf))

  1197.             return;

  1198.         std::sprintf(tmpBuf, "%i\n", value2);

  1199.         if (! fUiServer.writeMessage(tmpBuf))

  1200.             return;

  1201.         {

  1202.             const CarlaScopedLocale csl;

  1203.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(value3));

  1204.         }

  1205.         if (! fUiServer.writeMessage(tmpBuf))

  1206.             return;

  1207.         if (! fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : ""))

  1208.             return;

  1209. 

  1210.         fUiServer.flushMessages();

  1211.     }

  1212. 

  1213.     const char* uiFileCallback(FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  1214.     {

  1215.         switch (action)

  1216.         {

  1217.         case FILE_CALLBACK_DEBUG:

  1218.             return nullptr;

  1219. 

  1220.         case FILE_CALLBACK_OPEN:

  1221.             return pHost->ui_open_file(pHost->handle, isDir, title, filter);

  1222. 

  1223.         case FILE_CALLBACK_SAVE:

  1224.             return pHost->ui_save_file(pHost->handle, isDir, title, filter);

  1225.         }

  1226. 

  1227.         return nullptr;

  1228.     }

  1229. 

  1230.     void uiServerInfo()

  1231.     {

  1232.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1233.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1234. 

  1235.         char tmpBuf[STR_MAX];

  1236.         carla_zeroChars(tmpBuf, STR_MAX);

  1237. 

  1238.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1239. 

  1240. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1241.         if (! fUiServer.writeAndFixMessage("osc-urls"))

  1242.             return;

  1243.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP()))

  1244.             return;

  1245.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP()))

  1246.             return;

  1247. #endif

  1248. 

  1249.         if (! fUiServer.writeAndFixMessage("max-plugin-number"))

  1250.             return;

  1251.         std::sprintf(tmpBuf, "%i\n", pData->maxPluginNumber);

  1252.         if (! fUiServer.writeMessage(tmpBuf))

  1253.             return;

  1254. 

  1255.         if (! fUiServer.writeAndFixMessage("buffer-size"))

  1256.             return;

  1257.         std::sprintf(tmpBuf, "%i\n", pData->bufferSize);

  1258.         if (! fUiServer.writeMessage(tmpBuf))

  1259.             return;

  1260. 

  1261.         if (! fUiServer.writeAndFixMessage("sample-rate"))

  1262.             return;

  1263.         {

  1264.             const CarlaScopedLocale csl;

  1265.             std::sprintf(tmpBuf, "%f\n", pData->sampleRate);

  1266.         }

  1267.         if (! fUiServer.writeMessage(tmpBuf))

  1268.             return;

  1269. 

  1270.         fUiServer.flushMessages();

  1271.     }

  1272. 

  1273.     void uiServerOptions()

  1274.     {

  1275.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1276.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1277. 

  1278.         char tmpBuf[STR_MAX];

  1279.         carla_zeroChars(tmpBuf, STR_MAX);

  1280. 

  1281.         const EngineOptions& options(pData->options);

  1282.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1283. 

  1284.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1285.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1286. 

  1287.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1288.         if (! fUiServer.writeMessage(tmpBuf))

  1289.             return;

  1290.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1291.             return;

  1292.         std::sprintf(tmpBuf, "%i\n", options.processMode);

  1293.         if (! fUiServer.writeMessage(tmpBuf))

  1294.             return;

  1295.         fUiServer.flushMessages();

  1296. 

  1297.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1298.         if (! fUiServer.writeMessage(tmpBuf))

  1299.             return;

  1300.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1301.             return;

  1302.         std::sprintf(tmpBuf, "%i\n", options.transportMode);

  1303.         if (! fUiServer.writeMessage(tmpBuf))

  1304.             return;

  1305.         fUiServer.flushMessages();

  1306. 

  1307.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1308.         if (! fUiServer.writeMessage(tmpBuf))

  1309.             return;

  1310.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1311.             return;

  1312.         if (! fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n"))

  1313.             return;

  1314.         fUiServer.flushMessages();

  1315. 

  1316.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1317.         if (! fUiServer.writeMessage(tmpBuf))

  1318.             return;

  1319.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1320.             return;

  1321.         if (! fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n"))

  1322.             return;

  1323.         fUiServer.flushMessages();

  1324. 

  1325.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1326.         if (! fUiServer.writeMessage(tmpBuf))

  1327.             return;

  1328.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1329.             return;

  1330.         if (! fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n"))

  1331.             return;

  1332.         fUiServer.flushMessages();

  1333. 

  1334.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1335.         if (! fUiServer.writeMessage(tmpBuf))

  1336.             return;

  1337.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1338.             return;

  1339.         if (! fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n"))

  1340.             return;

  1341.         fUiServer.flushMessages();

  1342. 

  1343.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1344.         if (! fUiServer.writeMessage(tmpBuf))

  1345.             return;

  1346.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1347.             return;

  1348.         std::sprintf(tmpBuf, "%i\n", options.maxParameters);

  1349.         if (! fUiServer.writeMessage(tmpBuf))

  1350.             return;

  1351.         fUiServer.flushMessages();

  1352. 

  1353.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1354.         if (! fUiServer.writeMessage(tmpBuf))

  1355.             return;

  1356.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1357.             return;

  1358.         std::sprintf(tmpBuf, "%i\n", options.uiBridgesTimeout);

  1359.         if (! fUiServer.writeMessage(tmpBuf))

  1360.             return;

  1361.         fUiServer.flushMessages();

  1362. 

  1363.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1364.         if (! fUiServer.writeMessage(tmpBuf))

  1365.             return;

  1366.         if (! fUiServer.writeMessage("true\n", 5))

  1367.             return;

  1368.         std::sprintf(tmpBuf, "%s\n", options.binaryDir);

  1369.         if (! fUiServer.writeMessage(tmpBuf))

  1370.             return;

  1371.         fUiServer.flushMessages();

  1372. 

  1373.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1374.         if (! fUiServer.writeMessage(tmpBuf))

  1375.             return;

  1376.         if (! fUiServer.writeMessage("true\n", 5))

  1377.             return;

  1378.         std::sprintf(tmpBuf, "%s\n", options.resourceDir);

  1379.         if (! fUiServer.writeMessage(tmpBuf))

  1380.             return;

  1381.         fUiServer.flushMessages();

  1382.     }

  1383. 

  1384.     // -------------------------------------------------------------------

  1385.     // Plugin parameter calls

  1386. 

  1387.     uint32_t getParameterCount() const

  1388.     {

  1389.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1390.             return plugin->getParameterCount();

  1391. 

  1392.         return 0;

  1393.     }

  1394. 

  1395.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1396.     {

  1397.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1398.         {

  1399.             if (index < plugin->getParameterCount())

  1400.             {

  1401.                 static NativeParameter param;

  1402.                 static char strBufName[STR_MAX+1];

  1403.                 static char strBufUnit[STR_MAX+1];

  1404. 

  1405.                 const ParameterData& paramData(plugin->getParameterData(index));

  1406.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1407. 

  1408.                 plugin->getParameterName(index, strBufName);

  1409.                 plugin->getParameterUnit(index, strBufUnit);

  1410. 

  1411.                 uint hints = 0x0;

  1412. 

  1413.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1414.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1415.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1416.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1417.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1418.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1419.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1420.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1421.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1422.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1423.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1424.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1425. 

  1426.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1427.                 {

  1428.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1429.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1430.                     if (paramData.type == PARAMETER_OUTPUT)

  1431.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1432.                 }

  1433. 

  1434.                 param.hints = static_cast<NativeParameterHints>(hints);

  1435.                 param.name  = strBufName;

  1436.                 param.unit  = strBufUnit;

  1437.                 param.ranges.def = paramRanges.def;

  1438.                 param.ranges.min = paramRanges.min;

  1439.                 param.ranges.max = paramRanges.max;

  1440.                 param.ranges.step = paramRanges.step;

  1441.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1442.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1443.                 param.scalePointCount = 0; // TODO

  1444.                 param.scalePoints = nullptr;

  1445. 

  1446.                 return &param;

  1447.             }

  1448.         }

  1449. 

  1450.         return nullptr;

  1451.     }

  1452. 

  1453.     float getParameterValue(const uint32_t index) const

  1454.     {

  1455.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1456.         {

  1457.             if (index < plugin->getParameterCount())

  1458.                 return plugin->getParameterValue(index);

  1459.         }

  1460. 

  1461.         return 0.0f;

  1462.     }

  1463. 

  1464.     // -------------------------------------------------------------------

  1465.     // Plugin midi-program calls

  1466. 

  1467.     uint32_t getMidiProgramCount() const

  1468.     {

  1469.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1470.             return plugin->getMidiProgramCount();

  1471. 

  1472.         return 0;

  1473.     }

  1474. 

  1475.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1476.     {

  1477.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1478.         {

  1479.             if (index < plugin->getMidiProgramCount())

  1480.             {

  1481.                 static NativeMidiProgram midiProg;

  1482. 

  1483.                 {

  1484.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1485. 

  1486.                     midiProg.bank    = midiProgData.bank;

  1487.                     midiProg.program = midiProgData.program;

  1488.                     midiProg.name    = midiProgData.name;

  1489.                 }

  1490. 

  1491.                 return &midiProg;

  1492.             }

  1493.         }

  1494. 

  1495.         return nullptr;

  1496.     }

  1497. 

  1498.     // -------------------------------------------------------------------

  1499.     // Plugin state calls

  1500. 

  1501.     void setParameterValue(const uint32_t index, const float value)

  1502.     {

  1503.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1504.         {

  1505.             if (index < plugin->getParameterCount())

  1506.                 plugin->setParameterValue(index, value, false, false, false);

  1507.         }

  1508.     }

  1509. 

  1510.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1511.     {

  1512.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1513.             plugin->setMidiProgramById(bank, program, false, false, false);

  1514.     }

  1515. 

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

  1517.     // Plugin process calls

  1518. 

  1519.     void activate()

  1520.     {

  1521. #if 0

  1522.         for (uint i=0; i < pData->curPluginCount; ++i)

  1523.         {

  1524.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1525. 

  1526.             if (plugin == nullptr || ! plugin->isEnabled())

  1527.                 continue;

  1528. 

  1529.             plugin->setActive(true, true, false);

  1530.         }

  1531. #endif

  1532.         fIsActive = true;

  1533.     }

  1534. 

  1535.     void deactivate()

  1536.     {

  1537.         fIsActive = false;

  1538. #if 0

  1539.         for (uint i=0; i < pData->curPluginCount; ++i)

  1540.         {

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

  1542. 

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

  1544.                 continue;

  1545. 

  1546.             plugin->setActive(false, true, false);

  1547.         }

  1548. #endif

  1549. 

  1550.         // just in case

  1551.         //runPendingRtEvents();

  1552.     }

  1553. 

  1554.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1555.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1556.     {

  1557.         const PendingRtEventsRunner prt(this, frames);

  1558. 

  1559.         // ---------------------------------------------------------------

  1560.         // Time Info

  1561. 

  1562.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1563. 

  1564.         pData->timeInfo.playing   = timeInfo->playing;

  1565.         pData->timeInfo.frame     = timeInfo->frame;

  1566.         pData->timeInfo.usecs     = timeInfo->usecs;

  1567.         pData->timeInfo.bbt.valid = timeInfo->bbt.valid;

  1568. 

  1569.         if (timeInfo->bbt.valid)

  1570.         {

  1571.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1572.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1573.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1574.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1575. 

  1576.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1577.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1578. 

  1579.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1580.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1581.         }

  1582. 

  1583.         // ---------------------------------------------------------------

  1584.         // Do nothing if no plugins and rack mode

  1585. 

  1586.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1587.         {

  1588.             if (outBuffer[0] != inBuffer[0])

  1589.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1590. 

  1591.             if (outBuffer[1] != inBuffer[1])

  1592.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1593. 

  1594.             for (uint32_t i=0; i < midiEventCount; ++i)

  1595.             {

  1596.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1597.                     break;

  1598.             }

  1599.             return;

  1600.         }

  1601. 

  1602.         // ---------------------------------------------------------------

  1603.         // initialize events

  1604. 

  1605.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1606.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1607. 

  1608.         // ---------------------------------------------------------------

  1609.         // events input (before processing)

  1610. 

  1611.         {

  1612.             uint32_t engineEventIndex = 0;

  1613. 

  1614.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1615.             {

  1616.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1617.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1618. 

  1619.                 engineEvent.time = midiEvent.time;

  1620.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1621. 

  1622.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1623.                     break;

  1624.             }

  1625.         }

  1626. 

  1627.         if (kIsPatchbay)

  1628.         {

  1629.             // -----------------------------------------------------------

  1630.             // process

  1631. 

  1632.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1633.         }

  1634.         else

  1635.         {

  1636.             // -----------------------------------------------------------

  1637.             // create audio buffers

  1638. 

  1639.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1640.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1641. 

  1642.             // -----------------------------------------------------------

  1643.             // process

  1644. 

  1645.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1646.         }

  1647. 

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

  1649.         // events output (after processing)

  1650. 

  1651.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1652. 

  1653.         if (kHasMidiOut)

  1654.         {

  1655.             NativeMidiEvent midiEvent;

  1656. 

  1657.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1658.             {

  1659.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1660. 

  1661.                 if (engineEvent.type == kEngineEventTypeNull)

  1662.                     break;

  1663. 

  1664.                 carla_zeroStruct(midiEvent);

  1665.                 midiEvent.time = engineEvent.time;

  1666. 

  1667.                 /**/ if (engineEvent.type == kEngineEventTypeControl)

  1668.                 {

  1669.                     midiEvent.port = 0;

  1670.                     midiEvent.size = engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.data);

  1671.                 }

  1672.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1673.                 {

  1674.                     if (engineEvent.midi.size > 4)

  1675.                         continue;

  1676. 

  1677.                     midiEvent.port = engineEvent.midi.port;

  1678.                     midiEvent.size = engineEvent.midi.size;

  1679. 

  1680.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] | (engineEvent.channel & MIDI_CHANNEL_BIT));

  1681. 

  1682.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1683.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1684.                 }

  1685.                 else

  1686.                 {

  1687.                     continue;

  1688.                 }

  1689. 

  1690.                 if (midiEvent.size > 0)

  1691.                     pHost->write_midi_event(pHost->handle, &midiEvent);

  1692.             }

  1693.         }

  1694.     }

  1695. 

  1696.     // -------------------------------------------------------------------

  1697.     // Plugin UI calls

  1698. 

  1699.     void uiShow(const bool show)

  1700.     {

  1701.         if (show)

  1702.         {

  1703.             if (fUiServer.isPipeRunning())

  1704.             {

  1705.                 fUiServer.writeFocusMessage();

  1706.                 return;

  1707.             }

  1708. 

  1709.             CarlaString path(pHost->resourceDir);

  1710. 

  1711.             if (kIsPatchbay)

  1712.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1713.             else

  1714.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1715. #ifdef CARLA_OS_WIN

  1716.             path += ".exe";

  1717. #endif

  1718.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1719. 

  1720.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1721. 

  1722.             if (! fUiServer.startPipeServer(false))

  1723.             {

  1724.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1725.                 return;

  1726.             }

  1727. 

  1728.             uiServerInfo();

  1729.             uiServerOptions();

  1730.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0,

  1731.                              pData->options.processMode, pData->options.transportMode,

  1732.                              static_cast<float>(pData->sampleRate), "Plugin");

  1733. 

  1734.             fUiServer.writeShowMessage();

  1735. 

  1736.             for (uint i=0; i < pData->curPluginCount; ++i)

  1737.             {

  1738.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1739. 

  1740.                 if (plugin != nullptr && plugin->isEnabled())

  1741.                 {

  1742.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1743.                 }

  1744.             }

  1745. 

  1746.             if (kIsPatchbay)

  1747.                 patchbayRefresh(false);

  1748.         }

  1749.         else

  1750.         {

  1751.             fUiServer.stopPipeServer(2000);

  1752. 

  1753.             // hide all custom uis

  1754.             for (uint i=0; i < pData->curPluginCount; ++i)

  1755.             {

  1756.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1757. 

  1758.                 if (plugin != nullptr && plugin->isEnabled())

  1759.                 {

  1760.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1761.                     {

  1762.                         try {

  1763.                             plugin->showCustomUI(false);

  1764.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1765.                     }

  1766.                 }

  1767.             }

  1768.         }

  1769.     }

  1770. 

  1771.     void uiIdle()

  1772.     {

  1773.         for (uint i=0; i < pData->curPluginCount; ++i)

  1774.         {

  1775.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1776. 

  1777.             if (plugin != nullptr && plugin->isEnabled())

  1778.             {

  1779.                 const uint hints(plugin->getHints());

  1780. 

  1781.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1782.                 {

  1783.                     try {

  1784.                         plugin->uiIdle();

  1785.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1786.                 }

  1787.             }

  1788.         }

  1789. 

  1790.         idlePipe();

  1791. 

  1792.         switch (fUiServer.getAndResetUiState())

  1793.         {

  1794.         case CarlaExternalUI::UiNone:

  1795.         case CarlaExternalUI::UiShow:

  1796.             break;

  1797.         case CarlaExternalUI::UiCrashed:

  1798.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1799.             break;

  1800.         case CarlaExternalUI::UiHide:

  1801.             pHost->ui_closed(pHost->handle);

  1802.             fUiServer.stopPipeServer(1000);

  1803.             break;

  1804.         }

  1805.     }

  1806. 

  1807.     void idlePipe()

  1808.     {

  1809.         if (! fUiServer.isPipeRunning())

  1810.             return;

  1811. 

  1812.         fUiServer.idlePipe();

  1813. 

  1814.         char tmpBuf[STR_MAX];

  1815.         carla_zeroChars(tmpBuf, STR_MAX);

  1816. 

  1817.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1818.         const CarlaScopedLocale csl;

  1819.         const EngineTimeInfo& timeInfo(pData->timeInfo);

  1820. 

  1821.         // send transport

  1822.         if (! fUiServer.writeAndFixMessage("transport"))

  1823.             return;

  1824.         if (! fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n"))

  1825.             return;

  1826. 

  1827.         if (timeInfo.bbt.valid)

  1828.         {

  1829.             std::sprintf(tmpBuf, P_UINT64 ":%i:%i:%i\n",

  1830.                          timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, static_cast<int>(timeInfo.bbt.tick + 0.5));

  1831.             if (! fUiServer.writeMessage(tmpBuf))

  1832.                 return;

  1833. 

  1834.             std::sprintf(tmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1835.             if (! fUiServer.writeMessage(tmpBuf))

  1836.                 return;

  1837.         }

  1838.         else

  1839.         {

  1840.             std::sprintf(tmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1841.             if (! fUiServer.writeMessage(tmpBuf))

  1842.                 return;

  1843. 

  1844.             if (! fUiServer.writeMessage("0.0\n"))

  1845.                 return;

  1846.         }

  1847. 

  1848.         fUiServer.flushMessages();

  1849. 

  1850.         // send peaks and param outputs for all plugins

  1851.         for (uint i=0; i < pData->curPluginCount; ++i)

  1852.         {

  1853.             const EnginePluginData& plugData(pData->plugins[i]);

  1854.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1855. 

  1856.             std::sprintf(tmpBuf, "PEAKS_%i\n", i);

  1857.             if (! fUiServer.writeMessage(tmpBuf))

  1858.                 return;

  1859. 

  1860.             std::sprintf(tmpBuf, "%f:%f:%f:%f\n",

  1861.                          static_cast<double>(plugData.peaks[0]),

  1862.                          static_cast<double>(plugData.peaks[1]),

  1863.                          static_cast<double>(plugData.peaks[2]),

  1864.                          static_cast<double>(plugData.peaks[3]));

  1865.             if (! fUiServer.writeMessage(tmpBuf))

  1866.                 return;

  1867. 

  1868.             fUiServer.flushMessages();

  1869. 

  1870.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1871.             {

  1872.                 if (! plugin->isParameterOutput(j))

  1873.                     continue;

  1874. 

  1875.                 std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1876.                 if (! fUiServer.writeMessage(tmpBuf))

  1877.                     return;

  1878. 

  1879.                 std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(j)));

  1880.                 if (! fUiServer.writeMessage(tmpBuf))

  1881.                     return;

  1882. 

  1883.                 fUiServer.flushMessages();

  1884.             }

  1885.         }

  1886.     }

  1887. 

  1888.     // -------------------------------------------------------------------

  1889.     // Plugin state calls

  1890. 

  1891.     char* getState() const

  1892.     {

  1893.         MemoryOutputStream out;

  1894.         saveProjectInternal(out);

  1895.         return strdup(out.toString().toRawUTF8());

  1896.     }

  1897. 

  1898.     void setState(const char* const data)

  1899.     {

  1900.         // remove all plugins from UI side

  1901.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1902.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1903. 

  1904.         // remove all plugins from backend, no lock

  1905.         fIsRunning = false;

  1906.         removeAllPlugins();

  1907.         fIsRunning = true;

  1908. 

  1909.         // stopped during removeAllPlugins()

  1910.         if (! pData->thread.isThreadRunning())

  1911.             pData->thread.startThread();

  1912. 

  1913.         fOptionsForced = true;

  1914.         const String state(data);

  1915.         XmlDocument xml(state);

  1916.         loadProjectInternal(xml);

  1917.     }

  1918. 

  1919.     // -------------------------------------------------------------------

  1920. 

  1921. public:

  1922.     #define handlePtr ((CarlaEngineNative*)handle)

  1923. 

  1924.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1925.     {

  1926.         return new CarlaEngineNative(host, false, true);

  1927.     }

  1928. 

  1929.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  1930.     {

  1931.         return new CarlaEngineNative(host, false, false);

  1932.     }

  1933. 

  1934.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1935.     {

  1936.         return new CarlaEngineNative(host, true, true);

  1937.     }

  1938. 

  1939.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1940.     {

  1941.         return new CarlaEngineNative(host, true, true, 3, 2);

  1942.     }

  1943. 

  1944.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1945.     {

  1946.         return new CarlaEngineNative(host, true, true, 16, 16);

  1947.     }

  1948. 

  1949.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1950.     {

  1951.         return new CarlaEngineNative(host, true, true, 32, 32);

  1952.     }

  1953. 

  1954.     static void _cleanup(NativePluginHandle handle)

  1955.     {

  1956.         delete handlePtr;

  1957.     }

  1958. 

  1959.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1960.     {

  1961.         return handlePtr->getParameterCount();

  1962.     }

  1963. 

  1964.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1965.     {

  1966.         return handlePtr->getParameterInfo(index);

  1967.     }

  1968. 

  1969.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1970.     {

  1971.         return handlePtr->getParameterValue(index);

  1972.     }

  1973. 

  1974.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1975.     {

  1976.         return handlePtr->getMidiProgramCount();

  1977.     }

  1978. 

  1979.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1980.     {

  1981.         return handlePtr->getMidiProgramInfo(index);

  1982.     }

  1983. 

  1984.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1985.     {

  1986.         handlePtr->setParameterValue(index, value);

  1987.     }

  1988. 

  1989.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1990.     {

  1991.         handlePtr->setMidiProgram(channel, bank, program);

  1992.     }

  1993. 

  1994.     static void _ui_show(NativePluginHandle handle, bool show)

  1995.     {

  1996.         handlePtr->uiShow(show);

  1997.     }

  1998. 

  1999.     static void _ui_idle(NativePluginHandle handle)

  2000.     {

  2001.         handlePtr->uiIdle();

  2002.     }

  2003. 

  2004.     static void _activate(NativePluginHandle handle)

  2005.     {

  2006.         handlePtr->activate();

  2007.     }

  2008. 

  2009.     static void _deactivate(NativePluginHandle handle)

  2010.     {

  2011.         handlePtr->deactivate();

  2012.     }

  2013. 

  2014.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  2015.     {

  2016.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  2017.     }

  2018. 

  2019.     static char* _get_state(NativePluginHandle handle)

  2020.     {

  2021.         return handlePtr->getState();

  2022.     }

  2023. 

  2024.     static void _set_state(NativePluginHandle handle, const char* data)

  2025.     {

  2026.         handlePtr->setState(data);

  2027.     }

  2028. 

  2029.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2030.     {

  2031.         switch(opcode)

  2032.         {

  2033.         case NATIVE_PLUGIN_OPCODE_NULL:

  2034.             return 0;

  2035.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  2036.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  2037.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  2038.             return 0;

  2039.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  2040.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0f, 0);

  2041.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  2042.             return 0;

  2043.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  2044.             handlePtr->offlineModeChanged(value != 0);

  2045.             return 0;

  2046.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  2047.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  2048.             return 0;

  2049.         case NATIVE_PLUGIN_OPCODE_GET_INTERNAL_HANDLE: {

  2050.             CarlaEngineNative* const engine = handlePtr;

  2051.             return (intptr_t)(CarlaEngine*)engine;

  2052.         }

  2053.         }

  2054. 

  2055.         return 0;

  2056. 

  2057.         // unused

  2058.         (void)index;

  2059.         (void)ptr;

  2060.     }

  2061. 

  2062.     // -------------------------------------------------------------------

  2063. 

  2064.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  2065.     {

  2066.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  2067.     }

  2068. 

  2069.     static const char* _ui_file_callback(void* handle, FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  2070.     {

  2071.         return handlePtr->uiFileCallback(action, isDir, title, filter);

  2072.     }

  2073. 

  2074.     // -------------------------------------------------------------------

  2075. 

  2076.     #undef handlePtr

  2077. 

  2078. private:

  2079.     const NativeHostDescriptor* const pHost;

  2080. 

  2081.     const bool kIsPatchbay; // rack if false

  2082.     const bool kHasMidiOut;

  2083.     bool fIsActive, fIsRunning;

  2084.     CarlaEngineNativeUI fUiServer;

  2085. 

  2086.     bool fOptionsForced;

  2087. 

  2088. #ifdef USE_JUCE_MESSAGE_THREAD

  2089.     const bool kNeedsJuceMsgThread;

  2090.     const juce::SharedResourcePointer<SharedJuceMessageThread> sJuceMsgThread;

  2091. #endif

  2092. 

  2093.     CarlaPlugin* _getFirstPlugin() const noexcept

  2094.     {

  2095.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  2096.             return nullptr;

  2097. 

  2098.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  2099. 

  2100.         if (plugin == nullptr || ! plugin->isEnabled())

  2101.             return nullptr;

  2102. 

  2103.         return pData->plugins[0].plugin;

  2104.     }

  2105. 

  2106.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  2107. };

  2108. 

  2109. // -----------------------------------------------------------------------

  2110. 

  2111. static const NativePluginDescriptor carlaRackDesc = {

  2112.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2113.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2114.                                                   |NATIVE_PLUGIN_HAS_UI

  2115.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2116.                                                   |NATIVE_PLUGIN_USES_STATE

  2117.                                                   |NATIVE_PLUGIN_USES_TIME),

  2118.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2119.     /* audioIns  */ 2,

  2120.     /* audioOuts */ 2,

  2121.     /* midiIns   */ 1,

  2122.     /* midiOuts  */ 1,

  2123.     /* paramIns  */ 0,

  2124.     /* paramOuts */ 0,

  2125.     /* name      */ "Carla-Rack",

  2126.     /* label     */ "carlarack",

  2127.     /* maker     */ "falkTX",

  2128.     /* copyright */ "GNU GPL v2+",

  2129.     CarlaEngineNative::_instantiateRack,

  2130.     CarlaEngineNative::_cleanup,

  2131.     CarlaEngineNative::_get_parameter_count,

  2132.     CarlaEngineNative::_get_parameter_info,

  2133.     CarlaEngineNative::_get_parameter_value,

  2134.     CarlaEngineNative::_get_midi_program_count,

  2135.     CarlaEngineNative::_get_midi_program_info,

  2136.     CarlaEngineNative::_set_parameter_value,

  2137.     CarlaEngineNative::_set_midi_program,

  2138.     /* _set_custom_data        */ nullptr,

  2139.     CarlaEngineNative::_ui_show,

  2140.     CarlaEngineNative::_ui_idle,

  2141.     /* _ui_set_parameter_value */ nullptr,

  2142.     /* _ui_set_midi_program    */ nullptr,

  2143.     /* _ui_set_custom_data     */ nullptr,

  2144.     CarlaEngineNative::_activate,

  2145.     CarlaEngineNative::_deactivate,

  2146.     CarlaEngineNative::_process,

  2147.     CarlaEngineNative::_get_state,

  2148.     CarlaEngineNative::_set_state,

  2149.     CarlaEngineNative::_dispatcher

  2150. };

  2151. 

  2152. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  2153.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2154.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2155.                                                   |NATIVE_PLUGIN_HAS_UI

  2156.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2157.                                                   |NATIVE_PLUGIN_USES_STATE

  2158.                                                   |NATIVE_PLUGIN_USES_TIME),

  2159.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2160.     /* audioIns  */ 2,

  2161.     /* audioOuts */ 2,

  2162.     /* midiIns   */ 1,

  2163.     /* midiOuts  */ 0,

  2164.     /* paramIns  */ 0,

  2165.     /* paramOuts */ 0,

  2166.     /* name      */ "Carla-Rack (no midi out)",

  2167.     /* label     */ "carlarack-nomidiout",

  2168.     /* maker     */ "falkTX",

  2169.     /* copyright */ "GNU GPL v2+",

  2170.     CarlaEngineNative::_instantiateRackNoMidiOut,

  2171.     CarlaEngineNative::_cleanup,

  2172.     CarlaEngineNative::_get_parameter_count,

  2173.     CarlaEngineNative::_get_parameter_info,

  2174.     CarlaEngineNative::_get_parameter_value,

  2175.     CarlaEngineNative::_get_midi_program_count,

  2176.     CarlaEngineNative::_get_midi_program_info,

  2177.     CarlaEngineNative::_set_parameter_value,

  2178.     CarlaEngineNative::_set_midi_program,

  2179.     /* _set_custom_data        */ nullptr,

  2180.     CarlaEngineNative::_ui_show,

  2181.     CarlaEngineNative::_ui_idle,

  2182.     /* _ui_set_parameter_value */ nullptr,

  2183.     /* _ui_set_midi_program    */ nullptr,

  2184.     /* _ui_set_custom_data     */ nullptr,

  2185.     CarlaEngineNative::_activate,

  2186.     CarlaEngineNative::_deactivate,

  2187.     CarlaEngineNative::_process,

  2188.     CarlaEngineNative::_get_state,

  2189.     CarlaEngineNative::_set_state,

  2190.     CarlaEngineNative::_dispatcher

  2191. };

  2192. 

  2193. static const NativePluginDescriptor carlaPatchbayDesc = {

  2194.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2195.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2196.                                                   |NATIVE_PLUGIN_HAS_UI

  2197.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2198.                                                   |NATIVE_PLUGIN_USES_STATE

  2199.                                                   |NATIVE_PLUGIN_USES_TIME),

  2200.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2201.     /* audioIns  */ 2,

  2202.     /* audioOuts */ 2,

  2203.     /* midiIns   */ 1,

  2204.     /* midiOuts  */ 1,

  2205.     /* paramIns  */ 0,

  2206.     /* paramOuts */ 0,

  2207.     /* name      */ "Carla-Patchbay",

  2208.     /* label     */ "carlapatchbay",

  2209.     /* maker     */ "falkTX",

  2210.     /* copyright */ "GNU GPL v2+",

  2211.     CarlaEngineNative::_instantiatePatchbay,

  2212.     CarlaEngineNative::_cleanup,

  2213.     CarlaEngineNative::_get_parameter_count,

  2214.     CarlaEngineNative::_get_parameter_info,

  2215.     CarlaEngineNative::_get_parameter_value,

  2216.     CarlaEngineNative::_get_midi_program_count,

  2217.     CarlaEngineNative::_get_midi_program_info,

  2218.     CarlaEngineNative::_set_parameter_value,

  2219.     CarlaEngineNative::_set_midi_program,

  2220.     /* _set_custom_data        */ nullptr,

  2221.     CarlaEngineNative::_ui_show,

  2222.     CarlaEngineNative::_ui_idle,

  2223.     /* _ui_set_parameter_value */ nullptr,

  2224.     /* _ui_set_midi_program    */ nullptr,

  2225.     /* _ui_set_custom_data     */ nullptr,

  2226.     CarlaEngineNative::_activate,

  2227.     CarlaEngineNative::_deactivate,

  2228.     CarlaEngineNative::_process,

  2229.     CarlaEngineNative::_get_state,

  2230.     CarlaEngineNative::_set_state,

  2231.     CarlaEngineNative::_dispatcher

  2232. };

  2233. 

  2234. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  2235.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2236.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2237.                                                   |NATIVE_PLUGIN_HAS_UI

  2238.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2239.                                                   |NATIVE_PLUGIN_USES_STATE

  2240.                                                   |NATIVE_PLUGIN_USES_TIME),

  2241.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2242.     /* audioIns  */ 3,

  2243.     /* audioOuts */ 2,

  2244.     /* midiIns   */ 1,

  2245.     /* midiOuts  */ 1,

  2246.     /* paramIns  */ 0,

  2247.     /* paramOuts */ 0,

  2248.     /* name      */ "Carla-Patchbay (sidechain)",

  2249.     /* label     */ "carlapatchbay3s",

  2250.     /* maker     */ "falkTX",

  2251.     /* copyright */ "GNU GPL v2+",

  2252.     CarlaEngineNative::_instantiatePatchbay3s,

  2253.     CarlaEngineNative::_cleanup,

  2254.     CarlaEngineNative::_get_parameter_count,

  2255.     CarlaEngineNative::_get_parameter_info,

  2256.     CarlaEngineNative::_get_parameter_value,

  2257.     CarlaEngineNative::_get_midi_program_count,

  2258.     CarlaEngineNative::_get_midi_program_info,

  2259.     CarlaEngineNative::_set_parameter_value,

  2260.     CarlaEngineNative::_set_midi_program,

  2261.     /* _set_custom_data        */ nullptr,

  2262.     CarlaEngineNative::_ui_show,

  2263.     CarlaEngineNative::_ui_idle,

  2264.     /* _ui_set_parameter_value */ nullptr,

  2265.     /* _ui_set_midi_program    */ nullptr,

  2266.     /* _ui_set_custom_data     */ nullptr,

  2267.     CarlaEngineNative::_activate,

  2268.     CarlaEngineNative::_deactivate,

  2269.     CarlaEngineNative::_process,

  2270.     CarlaEngineNative::_get_state,

  2271.     CarlaEngineNative::_set_state,

  2272.     CarlaEngineNative::_dispatcher

  2273. };

  2274. 

  2275. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2276.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2277.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2278.                                                   |NATIVE_PLUGIN_HAS_UI

  2279.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2280.                                                   |NATIVE_PLUGIN_USES_STATE

  2281.                                                   |NATIVE_PLUGIN_USES_TIME),

  2282.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2283.     /* audioIns  */ 16,

  2284.     /* audioOuts */ 16,

  2285.     /* midiIns   */ 1,

  2286.     /* midiOuts  */ 1,

  2287.     /* paramIns  */ 0,

  2288.     /* paramOuts */ 0,

  2289.     /* name      */ "Carla-Patchbay (16chan)",

  2290.     /* label     */ "carlapatchbay16",

  2291.     /* maker     */ "falkTX",

  2292.     /* copyright */ "GNU GPL v2+",

  2293.     CarlaEngineNative::_instantiatePatchbay16,

  2294.     CarlaEngineNative::_cleanup,

  2295.     CarlaEngineNative::_get_parameter_count,

  2296.     CarlaEngineNative::_get_parameter_info,

  2297.     CarlaEngineNative::_get_parameter_value,

  2298.     CarlaEngineNative::_get_midi_program_count,

  2299.     CarlaEngineNative::_get_midi_program_info,

  2300.     CarlaEngineNative::_set_parameter_value,

  2301.     CarlaEngineNative::_set_midi_program,

  2302.     /* _set_custom_data        */ nullptr,

  2303.     CarlaEngineNative::_ui_show,

  2304.     CarlaEngineNative::_ui_idle,

  2305.     /* _ui_set_parameter_value */ nullptr,

  2306.     /* _ui_set_midi_program    */ nullptr,

  2307.     /* _ui_set_custom_data     */ nullptr,

  2308.     CarlaEngineNative::_activate,

  2309.     CarlaEngineNative::_deactivate,

  2310.     CarlaEngineNative::_process,

  2311.     CarlaEngineNative::_get_state,

  2312.     CarlaEngineNative::_set_state,

  2313.     CarlaEngineNative::_dispatcher

  2314. };

  2315. 

  2316. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2317.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2318.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2319.                                                   |NATIVE_PLUGIN_HAS_UI

  2320.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2321.                                                   |NATIVE_PLUGIN_USES_STATE

  2322.                                                   |NATIVE_PLUGIN_USES_TIME),

  2323.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2324.     /* audioIns  */ 32,

  2325.     /* audioOuts */ 32,

  2326.     /* midiIns   */ 1,

  2327.     /* midiOuts  */ 1,

  2328.     /* paramIns  */ 0,

  2329.     /* paramOuts */ 0,

  2330.     /* name      */ "Carla-Patchbay (32chan)",

  2331.     /* label     */ "carlapatchbay32",

  2332.     /* maker     */ "falkTX",

  2333.     /* copyright */ "GNU GPL v2+",

  2334.     CarlaEngineNative::_instantiatePatchbay32,

  2335.     CarlaEngineNative::_cleanup,

  2336.     CarlaEngineNative::_get_parameter_count,

  2337.     CarlaEngineNative::_get_parameter_info,

  2338.     CarlaEngineNative::_get_parameter_value,

  2339.     CarlaEngineNative::_get_midi_program_count,

  2340.     CarlaEngineNative::_get_midi_program_info,

  2341.     CarlaEngineNative::_set_parameter_value,

  2342.     CarlaEngineNative::_set_midi_program,

  2343.     /* _set_custom_data        */ nullptr,

  2344.     CarlaEngineNative::_ui_show,

  2345.     CarlaEngineNative::_ui_idle,

  2346.     /* _ui_set_parameter_value */ nullptr,

  2347.     /* _ui_set_midi_program    */ nullptr,

  2348.     /* _ui_set_custom_data     */ nullptr,

  2349.     CarlaEngineNative::_activate,

  2350.     CarlaEngineNative::_deactivate,

  2351.     CarlaEngineNative::_process,

  2352.     CarlaEngineNative::_get_state,

  2353.     CarlaEngineNative::_set_state,

  2354.     CarlaEngineNative::_dispatcher

  2355. };

  2356. 

  2357. CARLA_BACKEND_END_NAMESPACE

  2358. 

  2359. // -----------------------------------------------------------------------

  2360. 

  2361. CARLA_EXPORT

  2362. void carla_register_native_plugin_carla();

  2363. 

  2364. void carla_register_native_plugin_carla()

  2365. {

  2366.     CARLA_BACKEND_USE_NAMESPACE;

  2367.     carla_register_native_plugin(&carlaRackDesc);

  2368.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2369.     carla_register_native_plugin(&carlaPatchbayDesc);

  2370.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2371.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2372.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2373. }

  2374. 

  2375. // -----------------------------------------------------------------------

  2376. 

  2377. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2378. {

  2379.     CARLA_BACKEND_USE_NAMESPACE;

  2380.     return &carlaRackDesc;

  2381. }

  2382. 

  2383. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2384. {

  2385.     CARLA_BACKEND_USE_NAMESPACE;

  2386.     return &carlaPatchbayDesc;

  2387. }

  2388. 

  2389. const NativePluginDescriptor* carla_get_native_patchbay16_plugin()

  2390. {

  2391.     CARLA_BACKEND_USE_NAMESPACE;

  2392.     return &carlaPatchbay16Desc;

  2393. }

  2394. 

  2395. const NativePluginDescriptor* carla_get_native_patchbay32_plugin()

  2396. {

  2397.     CARLA_BACKEND_USE_NAMESPACE;

  2398.     return &carlaPatchbay32Desc;

  2399. }

  2400. 

  2401. // -----------------------------------------------------------------------

  2402. // Extra stuff for linking purposes

  2403. 

  2404. #ifdef CARLA_PLUGIN_EXPORT

  2405. 

  2406. CARLA_BACKEND_START_NAMESPACE

  2407. 

  2408. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2409. 

  2410. # ifdef USING_JUCE

  2411. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2412. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2413. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2414. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2415. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2416. # else

  2417. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2418. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2419. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2420. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2421. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2422. # endif

  2423. 

  2424. CARLA_BACKEND_END_NAMESPACE

  2425. 

  2426. #define CARLA_PLUGIN_UI_CLASS_PREFIX EngineNative

  2427. #include "CarlaHostCommon.cpp"

  2428. #include "CarlaPluginUI.cpp"

  2429. #include "CarlaDssiUtils.cpp"

  2430. #include "CarlaMacUtils.cpp"

  2431. #include "CarlaPatchbayUtils.cpp"

  2432. #include "CarlaPipeUtils.cpp"

  2433. #include "CarlaStateUtils.cpp"

  2434. 

  2435. #endif

  2436. 

  2437. // -----------------------------------------------------------------------