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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, "load_file") == 0)

  156.         {

  157.             const char* filename;

  158. 

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

  160. 

  161.             try {

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

  163.             } CARLA_SAFE_EXCEPTION("loadFile");

  164. 

  165.             delete[] filename;

  166.         }

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

  168.         {

  169.             const char* filename;

  170. 

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

  172. 

  173.             try {

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

  175.             } CARLA_SAFE_EXCEPTION("loadProject");

  176. 

  177.             delete[] filename;

  178.         }

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

  180.         {

  181.             const char* filename;

  182. 

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

  184. 

  185.             try {

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

  187.             } CARLA_SAFE_EXCEPTION("saveProject");

  188. 

  189.             delete[] filename;

  190.         }

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

  192.         {

  193.             uint32_t groupA, portA, groupB, portB;

  194. 

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

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

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

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

  199. 

  200.             try {

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

  202.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  203.         }

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

  205.         {

  206.             uint32_t connectionId;

  207. 

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

  209. 

  210.             try {

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

  212.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  213.         }

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

  215.         {

  216.             try {

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

  218.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  219.         }

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

  221.         {

  222.             fEngine->transportPlay();

  223.         }

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

  225.         {

  226.             fEngine->transportPause();

  227.         }

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

  229.         {

  230.             double bpm;

  231. 

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

  233. 

  234.             fEngine->transportBPM(bpm);

  235.         }

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

  237.         {

  238.             uint64_t frame;

  239. 

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

  241. 

  242.             fEngine->transportRelocate(frame);

  243.         }

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

  245.         {

  246.             uint32_t btype, ptype;

  247.             const char* filename = nullptr;

  248.             const char* name;

  249.             const char* label;

  250.             int64_t uniqueId;

  251.             uint options;

  252. 

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

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

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

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

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

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

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

  260. 

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

  262.             {

  263.                 delete[] filename;

  264.                 filename = nullptr;

  265.             }

  266. 

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

  268.             {

  269.                 delete[] name;

  270.                 name = nullptr;

  271.             }

  272. 

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

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

  275. 

  276.             if (filename != nullptr)

  277.                 delete[] filename;

  278.             if (name != nullptr)

  279.                 delete[] name;

  280.             delete[] label;

  281.         }

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

  283.         {

  284.             uint32_t pluginId;

  285. 

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

  287. 

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

  289.         }

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

  291.         {

  292.             ok = fEngine->removeAllPlugins();

  293.         }

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

  295.         {

  296.             uint32_t pluginId;

  297.             const char* newName;

  298. 

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

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

  301. 

  302.             // TODO

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

  304. 

  305.             delete[] newName;

  306.         }

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

  308.         {

  309.             uint32_t pluginId;

  310. 

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

  312. 

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

  314.         }

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

  316.         {

  317.             uint32_t pluginId;

  318. 

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

  320. 

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

  322.         }

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

  324.         {

  325.             uint32_t pluginIdA, pluginIdB;

  326. 

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

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

  329. 

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

  331.         }

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

  333.         {

  334.             uint32_t pluginId;

  335.             const char* filename;

  336. 

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

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

  339. 

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

  341.                 plugin->loadStateFromFile(filename);

  342. 

  343.             delete[] filename;

  344.         }

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

  346.         {

  347.             uint32_t pluginId;

  348.             const char* filename;

  349. 

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

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

  352. 

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

  354.                 plugin->saveStateToFile(filename);

  355. 

  356.             delete[] filename;

  357.         }

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

  359.         {

  360.             uint32_t pluginId, option;

  361.             bool yesNo;

  362. 

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

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

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

  366. 

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

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

  369.         }

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

  371.         {

  372.             uint32_t pluginId;

  373.             bool onOff;

  374. 

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

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

  377. 

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

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

  380.         }

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

  382.         {

  383.             uint32_t pluginId;

  384.             float value;

  385. 

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

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

  388. 

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

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

  391.         }

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

  393.         {

  394.             uint32_t pluginId;

  395.             float value;

  396. 

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

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

  399. 

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

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

  402.         }

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

  404.         {

  405.             uint32_t pluginId;

  406.             float value;

  407. 

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

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

  410. 

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

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

  413.         }

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

  415.         {

  416.             uint32_t pluginId;

  417.             float value;

  418. 

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

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

  421. 

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

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

  424.         }

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

  426.         {

  427.             uint32_t pluginId;

  428.             float value;

  429. 

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

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

  432. 

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

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

  435.         }

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

  437.         {

  438.             uint32_t pluginId;

  439.             int32_t channel;

  440. 

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

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

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

  444. 

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

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

  447.         }

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

  449.         {

  450.             uint32_t pluginId, parameterId;

  451.             float value;

  452. 

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

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

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

  456. 

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

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

  459.         }

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

  461.         {

  462.             uint32_t pluginId, parameterId, channel;

  463. 

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

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

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

  467.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  468. 

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

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

  471.         }

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

  473.         {

  474.             uint32_t pluginId, parameterId;

  475.             int32_t cc;

  476. 

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

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

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

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

  481. 

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

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

  484.         }

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

  486.         {

  487.             uint32_t pluginId;

  488.             int32_t index;

  489. 

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

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

  492. 

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

  494.             {

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

  496.                 _updateParamValues(plugin, pluginId);

  497.             }

  498.         }

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

  500.         {

  501.             uint32_t pluginId;

  502.             int32_t index;

  503. 

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

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

  506. 

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

  508.             {

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

  510.                 _updateParamValues(plugin, pluginId);

  511.             }

  512.         }

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

  514.         {

  515.             uint32_t pluginId;

  516.             const char* type;

  517.             const char* key;

  518.             const char* value;

  519. 

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

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

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

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

  524. 

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

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

  527. 

  528.             delete[] type;

  529.             delete[] key;

  530.             delete[] value;

  531.         }

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

  533.         {

  534.             uint32_t pluginId;

  535.             const char* cdata;

  536. 

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

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

  539. 

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

  541.             {

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

  543. #ifdef CARLA_PROPER_CPP11_SUPPORT

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

  545. #else

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

  547. #endif

  548.             }

  549. 

  550.             delete[] cdata;

  551.         }

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

  553.         {

  554.             uint32_t pluginId;

  555. 

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

  557. 

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

  559.                 plugin->prepareForSave();

  560.         }

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

  562.         {

  563.             uint32_t pluginId;

  564. 

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

  566. 

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

  568.                 plugin->resetParameters();

  569.         }

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

  571.         {

  572.             uint32_t pluginId;

  573. 

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

  575. 

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

  577.                 plugin->randomizeParameters();

  578.         }

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

  580.         {

  581.             uint32_t pluginId, channel, note, velocity;

  582. 

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

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

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

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

  587.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  588.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  589.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  590. 

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

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

  593.         }

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

  595.         {

  596.             uint32_t pluginId;

  597.             bool yesNo;

  598. 

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

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

  601. 

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

  603.                 plugin->showCustomUI(yesNo);

  604.         }

  605.         else

  606.         {

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

  608.             return false;

  609.         }

  610. 

  611.         if (! ok)

  612.         {

  613.             const CarlaMutexLocker cml(getPipeLock());

  614. 

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

  616.                 flushMessages();

  617.         }

  618. 

  619.         return true;

  620.     }

  621. 

  622. private:

  623.     CarlaEngine* const fEngine;

  624. 

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

  626.     {

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

  628.             fEngine->callback(ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

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

  630.     }

  631. 

  632.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  633. };

  634. 

  635. // -----------------------------------------------------------------------

  636. 

  637. class CarlaEngineNative : public CarlaEngine

  638. {

  639. public:

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

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

  642.         : CarlaEngine(),

  643.           pHost(host),

  644.           kIsPatchbay(isPatchbay),

  645.           kHasMidiOut(withMidiOut),

  646.           fIsActive(false),

  647.           fIsRunning(false),

  648.           fUiServer(this),

  649.           fOptionsForced(false)

  650. #ifdef USE_JUCE_MESSAGE_THREAD

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

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

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

  654. #endif

  655.     {

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

  657. 

  658. #ifdef USE_JUCE_MESSAGE_THREAD

  659.         if (kNeedsJuceMsgThread)

  660.             sJuceMsgThread->incRef();

  661. #endif

  662. 

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

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

  665.         pData->initTime(nullptr);

  666. 

  667.         if (outChan == 0)

  668.             outChan = inChan;

  669. 

  670.         // set-up engine

  671.         if (kIsPatchbay)

  672.         {

  673.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  674.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  675.             pData->options.forceStereo         = false;

  676.             pData->options.preferPluginBridges = false;

  677.             pData->options.preferUiBridges     = false;

  678.             init("Carla-Patchbay");

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

  680.         }

  681.         else

  682.         {

  683.             CARLA_SAFE_ASSERT(inChan == 2);

  684.             CARLA_SAFE_ASSERT(outChan == 2);

  685.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  686.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  687.             pData->options.forceStereo         = true;

  688.             pData->options.preferPluginBridges = false;

  689.             pData->options.preferUiBridges     = false;

  690.             init("Carla-Rack");

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

  692.         }

  693. 

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

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

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

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

  698. 

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

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

  701. 

  702.         setCallback(_ui_server_callback, this);

  703.         setFileCallback(_ui_file_callback, this);

  704.     }

  705. 

  706.     ~CarlaEngineNative() override

  707.     {

  708.         CARLA_SAFE_ASSERT(! fIsActive);

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

  710. 

  711.         pData->aboutToClose = true;

  712.         fIsRunning = false;

  713. 

  714.         removeAllPlugins();

  715.         //runPendingRtEvents();

  716.         close();

  717. 

  718.         pData->graph.destroy();

  719. 

  720. #ifdef USE_JUCE_MESSAGE_THREAD

  721.         if (kNeedsJuceMsgThread)

  722.             sJuceMsgThread->decRef();

  723. #endif

  724. 

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

  726.     }

  727. 

  728. protected:

  729.     // -------------------------------------

  730.     // CarlaEngine virtual calls

  731. 

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

  733.     {

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

  735. 

  736.         fIsRunning = true;

  737. 

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

  739.         {

  740.             close();

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

  742.             return false;

  743.         }

  744. 

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

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

  747. 

  748.         return true;

  749.     }

  750. 

  751.     bool close() override

  752.     {

  753.         fIsRunning = false;

  754.         CarlaEngine::close();

  755.         return true;

  756.     }

  757. 

  758.     bool isRunning() const noexcept override

  759.     {

  760.         return fIsRunning;

  761.     }

  762. 

  763.     bool isOffline() const noexcept override

  764.     {

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

  766.     }

  767. 

  768.     bool usesConstantBufferSize() const noexcept override

  769.     {

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

  771.         return true;

  772.     }

  773. 

  774.     EngineType getType() const noexcept override

  775.     {

  776.         return kEngineTypePlugin;

  777.     }

  778. 

  779.     const char* getCurrentDriverName() const noexcept override

  780.     {

  781.         return "Plugin";

  782.     }

  783. 

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

  785.     {

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

  787. 

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

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

  790.     }

  791. 

  792.     // -------------------------------------------------------------------

  793. 

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

  795.     {

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

  797.         {

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

  799.             return retName;

  800.         }

  801. 

  802.         return nullptr;

  803.     }

  804. 

  805.     // -------------------------------------------------------------------

  806. 

  807.     void bufferSizeChanged(const uint32_t newBufferSize)

  808.     {

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

  810.             return;

  811. 

  812.         {

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

  814. 

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

  816.             {

  817.                 char tmpBuf[STR_MAX];

  818.                 carla_zeroChars(tmpBuf, STR_MAX);

  819. 

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

  821. 

  822.                 if (fUiServer.writeMessage(tmpBuf))

  823.                     fUiServer.flushMessages();

  824.             }

  825.         }

  826. 

  827.         pData->bufferSize = newBufferSize;

  828.         CarlaEngine::bufferSizeChanged(newBufferSize);

  829.     }

  830. 

  831.     void sampleRateChanged(const double newSampleRate)

  832.     {

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

  834.             return;

  835. 

  836.         {

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

  838. 

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

  840.             {

  841.                 char tmpBuf[STR_MAX];

  842.                 carla_zeroChars(tmpBuf, STR_MAX);

  843. 

  844.                 {

  845.                     const ScopedLocale csl;

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

  847.                 }

  848. 

  849.                 if (fUiServer.writeMessage(tmpBuf))

  850.                     fUiServer.flushMessages();

  851.             }

  852.         }

  853. 

  854.         pData->sampleRate = newSampleRate;

  855.         CarlaEngine::sampleRateChanged(newSampleRate);

  856.     }

  857. 

  858.     // -------------------------------------------------------------------

  859. 

  860.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  861.     {

  862.         char tmpBuf[STR_MAX];

  863.         carla_zeroChars(tmpBuf, STR_MAX);

  864. 

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

  866. 

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

  868. 

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

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

  871.             return;

  872. 

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

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

  875.             return;

  876. 

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

  878.         {

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

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

  881.                 return;

  882.         }

  883.         else

  884.         {

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

  886.                 return;

  887.         }

  888. 

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

  890.         {

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

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

  893.                 return;

  894.         }

  895.         else

  896.         {

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

  898.                 return;

  899.         }

  900. 

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

  902.         {

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

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

  905.                 return;

  906.         }

  907.         else

  908.         {

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

  910.                 return;

  911.         }

  912. 

  913.         plugin->getRealName(tmpBuf);

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

  915.             return;

  916. 

  917.         plugin->getLabel(tmpBuf);

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

  919.             return;

  920. 

  921.         plugin->getMaker(tmpBuf);

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

  923.             return;

  924. 

  925.         plugin->getCopyright(tmpBuf);

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

  927.             return;

  928. 

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

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

  931.             return;

  932. 

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

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

  935.             return;

  936. 

  937.         fUiServer.flushMessages();

  938.     }

  939. 

  940.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  941.     {

  942.         char tmpBuf[STR_MAX];

  943.         carla_zeroChars(tmpBuf, STR_MAX);

  944. 

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

  946.         const ScopedLocale csl;

  947. 

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

  949. 

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

  951.         {

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

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

  954.                 return;

  955. 

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

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

  958.                 return;

  959. 

  960.             fUiServer.flushMessages();

  961.         }

  962. 

  963.         uint32_t ins, outs, count;

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

  965.         count = plugin->getParameterCount();

  966. 

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

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

  969.             return;

  970. 

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

  972.         {

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

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

  975. 

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

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

  978.                 return;

  979. 

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

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

  982.                 return;

  983. 

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

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

  986.                 return;

  987. 

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

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

  990.                 return;

  991. 

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

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

  994.                 return;

  995. 

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

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

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

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

  1000.                          static_cast<double>(paramRanges.step),

  1001.                          static_cast<double>(paramRanges.stepSmall),

  1002.                          static_cast<double>(paramRanges.stepLarge));

  1003.             if (! fUiServer.writeMessage(tmpBuf))

  1004.                 return;

  1005. 

  1006.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  1007.             if (! fUiServer.writeMessage(tmpBuf))

  1008.                 return;

  1009. 

  1010.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(i)));

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

  1012.                 return;

  1013.         }

  1014. 

  1015.         fUiServer.flushMessages();

  1016.     }

  1017. 

  1018.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  1019.     {

  1020.         char tmpBuf[STR_MAX];

  1021.         carla_zeroChars(tmpBuf, STR_MAX);

  1022. 

  1023.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1024. 

  1025.         const uint pluginId(plugin->getId());

  1026. 

  1027.         uint32_t count = plugin->getProgramCount();

  1028.         std::sprintf(tmpBuf, "PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentProgram());

  1029.         if (! fUiServer.writeMessage(tmpBuf))

  1030.             return;

  1031. 

  1032.         for (uint32_t i=0; i<count; ++i)

  1033.         {

  1034.             std::sprintf(tmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);

  1035.             if (! fUiServer.writeMessage(tmpBuf))

  1036.                 return;

  1037. 

  1038.             plugin->getProgramName(i, tmpBuf);

  1039.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1040.                 return;

  1041.         }

  1042. 

  1043.         fUiServer.flushMessages();

  1044. 

  1045.         count = plugin->getMidiProgramCount();

  1046.         std::sprintf(tmpBuf, "MIDI_PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentMidiProgram());

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

  1048.             return;

  1049. 

  1050.         for (uint32_t i=0; i<count; ++i)

  1051.         {

  1052.             std::sprintf(tmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);

  1053.             if (! fUiServer.writeMessage(tmpBuf))

  1054.                 return;

  1055. 

  1056.             const MidiProgramData& mpData(plugin->getMidiProgramData(i));

  1057. 

  1058.             std::sprintf(tmpBuf, "%i:%i\n", mpData.bank, mpData.program);

  1059.             if (! fUiServer.writeMessage(tmpBuf))

  1060.                 return;

  1061. 

  1062.             std::sprintf(tmpBuf, "%s", mpData.name);

  1063.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  1064.                 return;

  1065.         }

  1066. 

  1067.         fUiServer.flushMessages();

  1068.     }

  1069. 

  1070.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  1071.     {

  1072.         char tmpBuf[STR_MAX];

  1073.         carla_zeroChars(tmpBuf, STR_MAX);

  1074. 

  1075.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1076. 

  1077.         const uint pluginId(plugin->getId());

  1078. 

  1079.         uint32_t count = plugin->getCustomDataCount();

  1080.         std::sprintf(tmpBuf, "CUSTOM_DATA_COUNT_%i:%i\n", pluginId, count);

  1081.         if (! fUiServer.writeMessage(tmpBuf))

  1082.             return;

  1083. 

  1084.         for (uint32_t i=0; i<count; ++i)

  1085.         {

  1086.             const CustomData& customData(plugin->getCustomData(i));

  1087.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  1088. 

  1089.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_PROPERTY) != 0)

  1090.                 continue;

  1091. 

  1092.             std::sprintf(tmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  1093.             if (! fUiServer.writeMessage(tmpBuf))

  1094.                 return;

  1095. 

  1096.             if (! fUiServer.writeAndFixMessage(customData.type))

  1097.                 return;

  1098.             if (! fUiServer.writeAndFixMessage(customData.key))

  1099.                 return;

  1100.             if (! fUiServer.writeAndFixMessage(customData.value))

  1101.                 return;

  1102.         }

  1103. 

  1104.         fUiServer.flushMessages();

  1105.     }

  1106. 

  1107.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr)

  1108.     {

  1109.         if (! fIsRunning)

  1110.             return;

  1111.         if (! fUiServer.isPipeRunning())

  1112.             return;

  1113. 

  1114.         CarlaPlugin* plugin;

  1115. 

  1116.         switch (action)

  1117.         {

  1118.         case ENGINE_CALLBACK_UPDATE:

  1119.             plugin = getPlugin(pluginId);

  1120. 

  1121.             if (plugin != nullptr && plugin->isEnabled())

  1122.             {

  1123.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1124.                 uiServerSendPluginProperties(plugin);

  1125.             }

  1126.             break;

  1127. 

  1128.         case ENGINE_CALLBACK_RELOAD_INFO:

  1129.             plugin = getPlugin(pluginId);

  1130. 

  1131.             if (plugin != nullptr && plugin->isEnabled())

  1132.             {

  1133.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1134.                 uiServerSendPluginInfo(plugin);

  1135.             }

  1136.             break;

  1137. 

  1138.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1139.             plugin = getPlugin(pluginId);

  1140. 

  1141.             if (plugin != nullptr && plugin->isEnabled())

  1142.             {

  1143.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1144.                 uiServerSendPluginParameters(plugin);

  1145.             }

  1146.             break;

  1147. 

  1148.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1149.             plugin = getPlugin(pluginId);

  1150. 

  1151.             if (plugin != nullptr && plugin->isEnabled())

  1152.             {

  1153.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1154.                 uiServerSendPluginPrograms(plugin);

  1155.             }

  1156.             break;

  1157. 

  1158.         case ENGINE_CALLBACK_RELOAD_ALL:

  1159.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  1160.             plugin = getPlugin(pluginId);

  1161. 

  1162.             if (plugin != nullptr && plugin->isEnabled())

  1163.             {

  1164.                 CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);

  1165.                 uiServerSendPluginInfo(plugin);

  1166.                 uiServerSendPluginParameters(plugin);

  1167.                 uiServerSendPluginPrograms(plugin);

  1168.                 uiServerSendPluginProperties(plugin);

  1169.             }

  1170.             break;

  1171. 

  1172.         default:

  1173.             break;

  1174.         }

  1175. 

  1176.         char tmpBuf[STR_MAX];

  1177.         carla_zeroChars(tmpBuf, STR_MAX);

  1178. 

  1179.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1180. 

  1181.         std::sprintf(tmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1182.         if (! fUiServer.writeMessage(tmpBuf))

  1183.             return;

  1184.         std::sprintf(tmpBuf, "%u\n", pluginId);

  1185.         if (! fUiServer.writeMessage(tmpBuf))

  1186.             return;

  1187.         std::sprintf(tmpBuf, "%i\n", value1);

  1188.         if (! fUiServer.writeMessage(tmpBuf))

  1189.             return;

  1190.         std::sprintf(tmpBuf, "%i\n", value2);

  1191.         if (! fUiServer.writeMessage(tmpBuf))

  1192.             return;

  1193.         {

  1194.             const ScopedLocale csl;

  1195.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(value3));

  1196.         }

  1197.         if (! fUiServer.writeMessage(tmpBuf))

  1198.             return;

  1199.         if (! fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : ""))

  1200.             return;

  1201. 

  1202.         fUiServer.flushMessages();

  1203.     }

  1204. 

  1205.     const char* uiFileCallback(FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  1206.     {

  1207.         switch (action)

  1208.         {

  1209.         case FILE_CALLBACK_DEBUG:

  1210.             return nullptr;

  1211. 

  1212.         case FILE_CALLBACK_OPEN:

  1213.             return pHost->ui_open_file(pHost->handle, isDir, title, filter);

  1214. 

  1215.         case FILE_CALLBACK_SAVE:

  1216.             return pHost->ui_save_file(pHost->handle, isDir, title, filter);

  1217.         }

  1218. 

  1219.         return nullptr;

  1220.     }

  1221. 

  1222.     void uiServerInfo()

  1223.     {

  1224.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1225.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1226. 

  1227.         char tmpBuf[STR_MAX];

  1228.         carla_zeroChars(tmpBuf, STR_MAX);

  1229. 

  1230.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1231. 

  1232. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1233.         if (! fUiServer.writeAndFixMessage("osc-urls"))

  1234.             return;

  1235.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP()))

  1236.             return;

  1237.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP()))

  1238.             return;

  1239. #endif

  1240. 

  1241.         if (! fUiServer.writeAndFixMessage("max-plugin-number"))

  1242.             return;

  1243.         std::sprintf(tmpBuf, "%i\n", pData->maxPluginNumber);

  1244.         if (! fUiServer.writeMessage(tmpBuf))

  1245.             return;

  1246. 

  1247.         if (! fUiServer.writeAndFixMessage("buffer-size"))

  1248.             return;

  1249.         std::sprintf(tmpBuf, "%i\n", pData->bufferSize);

  1250.         if (! fUiServer.writeMessage(tmpBuf))

  1251.             return;

  1252. 

  1253.         if (! fUiServer.writeAndFixMessage("sample-rate"))

  1254.             return;

  1255.         {

  1256.             const ScopedLocale csl;

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

  1258.         }

  1259.         if (! fUiServer.writeMessage(tmpBuf))

  1260.             return;

  1261. 

  1262.         fUiServer.flushMessages();

  1263.     }

  1264. 

  1265.     void uiServerOptions()

  1266.     {

  1267.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1268.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1269. 

  1270.         char tmpBuf[STR_MAX];

  1271.         carla_zeroChars(tmpBuf, STR_MAX);

  1272. 

  1273.         const EngineOptions& options(pData->options);

  1274.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1275. 

  1276.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1277.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1278. 

  1279.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1280.         if (! fUiServer.writeMessage(tmpBuf))

  1281.             return;

  1282.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1283.             return;

  1284.         std::sprintf(tmpBuf, "%i\n", options.processMode);

  1285.         if (! fUiServer.writeMessage(tmpBuf))

  1286.             return;

  1287.         fUiServer.flushMessages();

  1288. 

  1289.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1290.         if (! fUiServer.writeMessage(tmpBuf))

  1291.             return;

  1292.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1293.             return;

  1294.         std::sprintf(tmpBuf, "%i\n", options.transportMode);

  1295.         if (! fUiServer.writeMessage(tmpBuf))

  1296.             return;

  1297.         fUiServer.flushMessages();

  1298. 

  1299.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1300.         if (! fUiServer.writeMessage(tmpBuf))

  1301.             return;

  1302.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1303.             return;

  1304.         if (! fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n"))

  1305.             return;

  1306.         fUiServer.flushMessages();

  1307. 

  1308.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1309.         if (! fUiServer.writeMessage(tmpBuf))

  1310.             return;

  1311.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1312.             return;

  1313.         if (! fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n"))

  1314.             return;

  1315.         fUiServer.flushMessages();

  1316. 

  1317.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1318.         if (! fUiServer.writeMessage(tmpBuf))

  1319.             return;

  1320.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1321.             return;

  1322.         if (! fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n"))

  1323.             return;

  1324.         fUiServer.flushMessages();

  1325. 

  1326.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1327.         if (! fUiServer.writeMessage(tmpBuf))

  1328.             return;

  1329.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1330.             return;

  1331.         if (! fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n"))

  1332.             return;

  1333.         fUiServer.flushMessages();

  1334. 

  1335.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1336.         if (! fUiServer.writeMessage(tmpBuf))

  1337.             return;

  1338.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1339.             return;

  1340.         std::sprintf(tmpBuf, "%i\n", options.maxParameters);

  1341.         if (! fUiServer.writeMessage(tmpBuf))

  1342.             return;

  1343.         fUiServer.flushMessages();

  1344. 

  1345.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1346.         if (! fUiServer.writeMessage(tmpBuf))

  1347.             return;

  1348.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  1349.             return;

  1350.         std::sprintf(tmpBuf, "%i\n", options.uiBridgesTimeout);

  1351.         if (! fUiServer.writeMessage(tmpBuf))

  1352.             return;

  1353.         fUiServer.flushMessages();

  1354. 

  1355.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1356.         if (! fUiServer.writeMessage(tmpBuf))

  1357.             return;

  1358.         if (! fUiServer.writeMessage("true\n", 5))

  1359.             return;

  1360.         std::sprintf(tmpBuf, "%s\n", options.binaryDir);

  1361.         if (! fUiServer.writeMessage(tmpBuf))

  1362.             return;

  1363.         fUiServer.flushMessages();

  1364. 

  1365.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1366.         if (! fUiServer.writeMessage(tmpBuf))

  1367.             return;

  1368.         if (! fUiServer.writeMessage("true\n", 5))

  1369.             return;

  1370.         std::sprintf(tmpBuf, "%s\n", options.resourceDir);

  1371.         if (! fUiServer.writeMessage(tmpBuf))

  1372.             return;

  1373.         fUiServer.flushMessages();

  1374.     }

  1375. 

  1376.     // -------------------------------------------------------------------

  1377.     // Plugin parameter calls

  1378. 

  1379.     uint32_t getParameterCount() const

  1380.     {

  1381.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1382.             return plugin->getParameterCount();

  1383. 

  1384.         return 0;

  1385.     }

  1386. 

  1387.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1388.     {

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

  1390.         {

  1391.             if (index < plugin->getParameterCount())

  1392.             {

  1393.                 static NativeParameter param;

  1394.                 static char strBufName[STR_MAX+1];

  1395.                 static char strBufUnit[STR_MAX+1];

  1396. 

  1397.                 const ParameterData& paramData(plugin->getParameterData(index));

  1398.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1399. 

  1400.                 plugin->getParameterName(index, strBufName);

  1401.                 plugin->getParameterUnit(index, strBufUnit);

  1402. 

  1403.                 uint hints = 0x0;

  1404. 

  1405.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1406.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1407.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1408.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1409.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1410.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1411.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1412.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1413.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1414.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1415.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1416.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1417. 

  1418.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1419.                 {

  1420.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1421.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1422.                     if (paramData.type == PARAMETER_OUTPUT)

  1423.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1424.                 }

  1425. 

  1426.                 param.hints = static_cast<NativeParameterHints>(hints);

  1427.                 param.name  = strBufName;

  1428.                 param.unit  = strBufUnit;

  1429.                 param.ranges.def = paramRanges.def;

  1430.                 param.ranges.min = paramRanges.min;

  1431.                 param.ranges.max = paramRanges.max;

  1432.                 param.ranges.step = paramRanges.step;

  1433.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1434.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1435.                 param.scalePointCount = 0; // TODO

  1436.                 param.scalePoints = nullptr;

  1437. 

  1438.                 return &param;

  1439.             }

  1440.         }

  1441. 

  1442.         return nullptr;

  1443.     }

  1444. 

  1445.     float getParameterValue(const uint32_t index) const

  1446.     {

  1447.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1448.         {

  1449.             if (index < plugin->getParameterCount())

  1450.                 return plugin->getParameterValue(index);

  1451.         }

  1452. 

  1453.         return 0.0f;

  1454.     }

  1455. 

  1456.     // -------------------------------------------------------------------

  1457.     // Plugin midi-program calls

  1458. 

  1459.     uint32_t getMidiProgramCount() const

  1460.     {

  1461.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1462.             return plugin->getMidiProgramCount();

  1463. 

  1464.         return 0;

  1465.     }

  1466. 

  1467.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1468.     {

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

  1470.         {

  1471.             if (index < plugin->getMidiProgramCount())

  1472.             {

  1473.                 static NativeMidiProgram midiProg;

  1474. 

  1475.                 {

  1476.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1477. 

  1478.                     midiProg.bank    = midiProgData.bank;

  1479.                     midiProg.program = midiProgData.program;

  1480.                     midiProg.name    = midiProgData.name;

  1481.                 }

  1482. 

  1483.                 return &midiProg;

  1484.             }

  1485.         }

  1486. 

  1487.         return nullptr;

  1488.     }

  1489. 

  1490.     // -------------------------------------------------------------------

  1491.     // Plugin state calls

  1492. 

  1493.     void setParameterValue(const uint32_t index, const float value)

  1494.     {

  1495.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1496.         {

  1497.             if (index < plugin->getParameterCount())

  1498.                 plugin->setParameterValue(index, value, false, false, false);

  1499.         }

  1500.     }

  1501. 

  1502.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1503.     {

  1504.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1505.             plugin->setMidiProgramById(bank, program, false, false, false);

  1506.     }

  1507. 

  1508.     // -------------------------------------------------------------------

  1509.     // Plugin process calls

  1510. 

  1511.     void activate()

  1512.     {

  1513. #if 0

  1514.         for (uint i=0; i < pData->curPluginCount; ++i)

  1515.         {

  1516.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1517. 

  1518.             if (plugin == nullptr || ! plugin->isEnabled())

  1519.                 continue;

  1520. 

  1521.             plugin->setActive(true, true, false);

  1522.         }

  1523. #endif

  1524.         fIsActive = true;

  1525.     }

  1526. 

  1527.     void deactivate()

  1528.     {

  1529.         fIsActive = false;

  1530. #if 0

  1531.         for (uint i=0; i < pData->curPluginCount; ++i)

  1532.         {

  1533.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1534. 

  1535.             if (plugin == nullptr || ! plugin->isEnabled())

  1536.                 continue;

  1537. 

  1538.             plugin->setActive(false, true, false);

  1539.         }

  1540. #endif

  1541. 

  1542.         // just in case

  1543.         //runPendingRtEvents();

  1544.     }

  1545. 

  1546.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1547.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1548.     {

  1549.         const PendingRtEventsRunner prt(this, frames);

  1550. 

  1551.         // ---------------------------------------------------------------

  1552.         // Time Info

  1553. 

  1554.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1555. 

  1556.         pData->timeInfo.playing   = timeInfo->playing;

  1557.         pData->timeInfo.frame     = timeInfo->frame;

  1558.         pData->timeInfo.usecs     = timeInfo->usecs;

  1559.         pData->timeInfo.bbt.valid = timeInfo->bbt.valid;

  1560. 

  1561.         if (timeInfo->bbt.valid)

  1562.         {

  1563.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1564.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1565.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1566.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1567. 

  1568.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1569.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1570. 

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

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

  1573.         }

  1574. 

  1575.         // ---------------------------------------------------------------

  1576.         // Do nothing if no plugins and rack mode

  1577. 

  1578.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1579.         {

  1580.             if (outBuffer[0] != inBuffer[0])

  1581.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1582. 

  1583.             if (outBuffer[1] != inBuffer[1])

  1584.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1585. 

  1586.             for (uint32_t i=0; i < midiEventCount; ++i)

  1587.             {

  1588.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1589.                     break;

  1590.             }

  1591.             return;

  1592.         }

  1593. 

  1594.         // ---------------------------------------------------------------

  1595.         // initialize events

  1596. 

  1597.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1598.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1599. 

  1600.         // ---------------------------------------------------------------

  1601.         // events input (before processing)

  1602. 

  1603.         {

  1604.             uint32_t engineEventIndex = 0;

  1605. 

  1606.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1607.             {

  1608.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1609.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1610. 

  1611.                 engineEvent.time = midiEvent.time;

  1612.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1613. 

  1614.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1615.                     break;

  1616.             }

  1617.         }

  1618. 

  1619.         if (kIsPatchbay)

  1620.         {

  1621.             // -----------------------------------------------------------

  1622.             // process

  1623. 

  1624.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1625.         }

  1626.         else

  1627.         {

  1628.             // -----------------------------------------------------------

  1629.             // create audio buffers

  1630. 

  1631.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1632.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1633. 

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

  1635.             // process

  1636. 

  1637.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1638.         }

  1639. 

  1640.         // ---------------------------------------------------------------

  1641.         // events output (after processing)

  1642. 

  1643.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1644. 

  1645.         if (kHasMidiOut)

  1646.         {

  1647.             NativeMidiEvent midiEvent;

  1648. 

  1649.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1650.             {

  1651.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1652. 

  1653.                 if (engineEvent.type == kEngineEventTypeNull)

  1654.                     break;

  1655. 

  1656.                 carla_zeroStruct(midiEvent);

  1657.                 midiEvent.time = engineEvent.time;

  1658. 

  1659.                 /**/ if (engineEvent.type == kEngineEventTypeControl)

  1660.                 {

  1661.                     midiEvent.port = 0;

  1662.                     midiEvent.size = engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.data);

  1663.                 }

  1664.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1665.                 {

  1666.                     if (engineEvent.midi.size > 4)

  1667.                         continue;

  1668. 

  1669.                     midiEvent.port = engineEvent.midi.port;

  1670.                     midiEvent.size = engineEvent.midi.size;

  1671. 

  1672.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] | (engineEvent.channel & MIDI_CHANNEL_BIT));

  1673. 

  1674.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1675.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1676.                 }

  1677.                 else

  1678.                 {

  1679.                     continue;

  1680.                 }

  1681. 

  1682.                 if (midiEvent.size > 0)

  1683.                     pHost->write_midi_event(pHost->handle, &midiEvent);

  1684.             }

  1685.         }

  1686.     }

  1687. 

  1688.     // -------------------------------------------------------------------

  1689.     // Plugin UI calls

  1690. 

  1691.     void uiShow(const bool show)

  1692.     {

  1693.         if (show)

  1694.         {

  1695.             if (fUiServer.isPipeRunning())

  1696.             {

  1697.                 fUiServer.writeFocusMessage();

  1698.                 return;

  1699.             }

  1700. 

  1701.             CarlaString path(pHost->resourceDir);

  1702. 

  1703.             if (kIsPatchbay)

  1704.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1705.             else

  1706.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1707. #ifdef CARLA_OS_WIN

  1708.             path += ".exe";

  1709. #endif

  1710.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1711. 

  1712.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1713. 

  1714.             if (! fUiServer.startPipeServer(false))

  1715.             {

  1716.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1717.                 return;

  1718.             }

  1719. 

  1720.             uiServerInfo();

  1721.             uiServerOptions();

  1722.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0,

  1723.                              pData->options.processMode, pData->options.transportMode,

  1724.                              static_cast<float>(pData->sampleRate), "Plugin");

  1725. 

  1726.             fUiServer.writeShowMessage();

  1727. 

  1728.             for (uint i=0; i < pData->curPluginCount; ++i)

  1729.             {

  1730.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1731. 

  1732.                 if (plugin != nullptr && plugin->isEnabled())

  1733.                 {

  1734.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1735.                 }

  1736.             }

  1737. 

  1738.             if (kIsPatchbay)

  1739.                 patchbayRefresh(false);

  1740.         }

  1741.         else

  1742.         {

  1743.             fUiServer.stopPipeServer(2000);

  1744. 

  1745.             // hide all custom uis

  1746.             for (uint i=0; i < pData->curPluginCount; ++i)

  1747.             {

  1748.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1749. 

  1750.                 if (plugin != nullptr && plugin->isEnabled())

  1751.                 {

  1752.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1753.                     {

  1754.                         try {

  1755.                             plugin->showCustomUI(false);

  1756.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1757.                     }

  1758.                 }

  1759.             }

  1760.         }

  1761.     }

  1762. 

  1763.     void uiIdle()

  1764.     {

  1765.         for (uint i=0; i < pData->curPluginCount; ++i)

  1766.         {

  1767.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1768. 

  1769.             if (plugin != nullptr && plugin->isEnabled())

  1770.             {

  1771.                 const uint hints(plugin->getHints());

  1772. 

  1773.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1774.                 {

  1775.                     try {

  1776.                         plugin->uiIdle();

  1777.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1778.                 }

  1779.             }

  1780.         }

  1781. 

  1782.         idlePipe();

  1783. 

  1784.         switch (fUiServer.getAndResetUiState())

  1785.         {

  1786.         case CarlaExternalUI::UiNone:

  1787.         case CarlaExternalUI::UiShow:

  1788.             break;

  1789.         case CarlaExternalUI::UiCrashed:

  1790.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1791.             break;

  1792.         case CarlaExternalUI::UiHide:

  1793.             pHost->ui_closed(pHost->handle);

  1794.             fUiServer.stopPipeServer(1000);

  1795.             break;

  1796.         }

  1797.     }

  1798. 

  1799.     void idlePipe()

  1800.     {

  1801.         if (! fUiServer.isPipeRunning())

  1802.             return;

  1803. 

  1804.         fUiServer.idlePipe();

  1805. 

  1806.         char tmpBuf[STR_MAX];

  1807.         carla_zeroChars(tmpBuf, STR_MAX);

  1808. 

  1809.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1810.         const ScopedLocale csl;

  1811.         const EngineTimeInfo& timeInfo(pData->timeInfo);

  1812. 

  1813.         // send transport

  1814.         if (! fUiServer.writeAndFixMessage("transport"))

  1815.             return;

  1816.         if (! fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n"))

  1817.             return;

  1818. 

  1819.         if (timeInfo.bbt.valid)

  1820.         {

  1821.             std::sprintf(tmpBuf, P_UINT64 ":%i:%i:%i\n",

  1822.                          timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, static_cast<int>(timeInfo.bbt.tick + 0.5));

  1823.             if (! fUiServer.writeMessage(tmpBuf))

  1824.                 return;

  1825. 

  1826.             std::sprintf(tmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1827.             if (! fUiServer.writeMessage(tmpBuf))

  1828.                 return;

  1829.         }

  1830.         else

  1831.         {

  1832.             std::sprintf(tmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1833.             if (! fUiServer.writeMessage(tmpBuf))

  1834.                 return;

  1835. 

  1836.             if (! fUiServer.writeMessage("0.0\n"))

  1837.                 return;

  1838.         }

  1839. 

  1840.         fUiServer.flushMessages();

  1841. 

  1842.         // send peaks and param outputs for all plugins

  1843.         for (uint i=0; i < pData->curPluginCount; ++i)

  1844.         {

  1845.             const EnginePluginData& plugData(pData->plugins[i]);

  1846.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1847. 

  1848.             std::sprintf(tmpBuf, "PEAKS_%i\n", i);

  1849.             if (! fUiServer.writeMessage(tmpBuf))

  1850.                 return;

  1851. 

  1852.             std::sprintf(tmpBuf, "%f:%f:%f:%f\n",

  1853.                          static_cast<double>(plugData.peaks[0]),

  1854.                          static_cast<double>(plugData.peaks[1]),

  1855.                          static_cast<double>(plugData.peaks[2]),

  1856.                          static_cast<double>(plugData.peaks[3]));

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

  1858.                 return;

  1859. 

  1860.             fUiServer.flushMessages();

  1861. 

  1862.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1863.             {

  1864.                 if (! plugin->isParameterOutput(j))

  1865.                     continue;

  1866. 

  1867.                 std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1868.                 if (! fUiServer.writeMessage(tmpBuf))

  1869.                     return;

  1870. 

  1871.                 std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(j)));

  1872.                 if (! fUiServer.writeMessage(tmpBuf))

  1873.                     return;

  1874. 

  1875.                 fUiServer.flushMessages();

  1876.             }

  1877.         }

  1878.     }

  1879. 

  1880.     // -------------------------------------------------------------------

  1881.     // Plugin state calls

  1882. 

  1883.     char* getState() const

  1884.     {

  1885.         MemoryOutputStream out;

  1886.         saveProjectInternal(out);

  1887.         return strdup(out.toString().toRawUTF8());

  1888.     }

  1889. 

  1890.     void setState(const char* const data)

  1891.     {

  1892.         // remove all plugins from UI side

  1893.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1894.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0.0f, nullptr);

  1895. 

  1896.         // remove all plugins from backend, no lock

  1897.         fIsRunning = false;

  1898.         removeAllPlugins();

  1899.         fIsRunning = true;

  1900. 

  1901.         // stopped during removeAllPlugins()

  1902.         if (! pData->thread.isThreadRunning())

  1903.             pData->thread.startThread();

  1904. 

  1905.         fOptionsForced = true;

  1906.         const String state(data);

  1907.         XmlDocument xml(state);

  1908.         loadProjectInternal(xml);

  1909.     }

  1910. 

  1911.     // -------------------------------------------------------------------

  1912. 

  1913. public:

  1914.     #define handlePtr ((CarlaEngineNative*)handle)

  1915. 

  1916.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1917.     {

  1918.         return new CarlaEngineNative(host, false, true);

  1919.     }

  1920. 

  1921.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  1922.     {

  1923.         return new CarlaEngineNative(host, false, false);

  1924.     }

  1925. 

  1926.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1927.     {

  1928.         return new CarlaEngineNative(host, true, true);

  1929.     }

  1930. 

  1931.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1932.     {

  1933.         return new CarlaEngineNative(host, true, true, 3, 2);

  1934.     }

  1935. 

  1936.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1937.     {

  1938.         return new CarlaEngineNative(host, true, true, 16, 16);

  1939.     }

  1940. 

  1941.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1942.     {

  1943.         return new CarlaEngineNative(host, true, true, 32, 32);

  1944.     }

  1945. 

  1946.     static void _cleanup(NativePluginHandle handle)

  1947.     {

  1948.         delete handlePtr;

  1949.     }

  1950. 

  1951.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1952.     {

  1953.         return handlePtr->getParameterCount();

  1954.     }

  1955. 

  1956.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1957.     {

  1958.         return handlePtr->getParameterInfo(index);

  1959.     }

  1960. 

  1961.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1962.     {

  1963.         return handlePtr->getParameterValue(index);

  1964.     }

  1965. 

  1966.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1967.     {

  1968.         return handlePtr->getMidiProgramCount();

  1969.     }

  1970. 

  1971.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1972.     {

  1973.         return handlePtr->getMidiProgramInfo(index);

  1974.     }

  1975. 

  1976.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1977.     {

  1978.         handlePtr->setParameterValue(index, value);

  1979.     }

  1980. 

  1981.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1982.     {

  1983.         handlePtr->setMidiProgram(channel, bank, program);

  1984.     }

  1985. 

  1986.     static void _ui_show(NativePluginHandle handle, bool show)

  1987.     {

  1988.         handlePtr->uiShow(show);

  1989.     }

  1990. 

  1991.     static void _ui_idle(NativePluginHandle handle)

  1992.     {

  1993.         handlePtr->uiIdle();

  1994.     }

  1995. 

  1996.     static void _activate(NativePluginHandle handle)

  1997.     {

  1998.         handlePtr->activate();

  1999.     }

  2000. 

  2001.     static void _deactivate(NativePluginHandle handle)

  2002.     {

  2003.         handlePtr->deactivate();

  2004.     }

  2005. 

  2006.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  2007.     {

  2008.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  2009.     }

  2010. 

  2011.     static char* _get_state(NativePluginHandle handle)

  2012.     {

  2013.         return handlePtr->getState();

  2014.     }

  2015. 

  2016.     static void _set_state(NativePluginHandle handle, const char* data)

  2017.     {

  2018.         handlePtr->setState(data);

  2019.     }

  2020. 

  2021.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  2022.     {

  2023.         switch(opcode)

  2024.         {

  2025.         case NATIVE_PLUGIN_OPCODE_NULL:

  2026.             return 0;

  2027.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  2028.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  2029.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  2030.             return 0;

  2031.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  2032.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0f, 0);

  2033.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  2034.             return 0;

  2035.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  2036.             handlePtr->offlineModeChanged(value != 0);

  2037.             return 0;

  2038.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  2039.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  2040.             return 0;

  2041.         case NATIVE_PLUGIN_OPCODE_GET_INTERNAL_HANDLE: {

  2042.             CarlaEngineNative* const engine = handlePtr;

  2043.             return (intptr_t)(CarlaEngine*)engine;

  2044.         }

  2045.         }

  2046. 

  2047.         return 0;

  2048. 

  2049.         // unused

  2050.         (void)index;

  2051.         (void)ptr;

  2052.     }

  2053. 

  2054.     // -------------------------------------------------------------------

  2055. 

  2056.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  2057.     {

  2058.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  2059.     }

  2060. 

  2061.     static const char* _ui_file_callback(void* handle, FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  2062.     {

  2063.         return handlePtr->uiFileCallback(action, isDir, title, filter);

  2064.     }

  2065. 

  2066.     // -------------------------------------------------------------------

  2067. 

  2068.     #undef handlePtr

  2069. 

  2070. private:

  2071.     const NativeHostDescriptor* const pHost;

  2072. 

  2073.     const bool kIsPatchbay; // rack if false

  2074.     const bool kHasMidiOut;

  2075.     bool fIsActive, fIsRunning;

  2076.     CarlaEngineNativeUI fUiServer;

  2077. 

  2078.     bool fOptionsForced;

  2079. 

  2080. #ifdef USE_JUCE_MESSAGE_THREAD

  2081.     const bool kNeedsJuceMsgThread;

  2082.     const juce::SharedResourcePointer<SharedJuceMessageThread> sJuceMsgThread;

  2083. #endif

  2084. 

  2085.     CarlaPlugin* _getFirstPlugin() const noexcept

  2086.     {

  2087.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  2088.             return nullptr;

  2089. 

  2090.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  2091. 

  2092.         if (plugin == nullptr || ! plugin->isEnabled())

  2093.             return nullptr;

  2094. 

  2095.         return pData->plugins[0].plugin;

  2096.     }

  2097. 

  2098.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  2099. };

  2100. 

  2101. // -----------------------------------------------------------------------

  2102. 

  2103. static const NativePluginDescriptor carlaRackDesc = {

  2104.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2105.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2106.                                                   |NATIVE_PLUGIN_HAS_UI

  2107.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2108.                                                   |NATIVE_PLUGIN_USES_STATE

  2109.                                                   |NATIVE_PLUGIN_USES_TIME),

  2110.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2111.     /* audioIns  */ 2,

  2112.     /* audioOuts */ 2,

  2113.     /* midiIns   */ 1,

  2114.     /* midiOuts  */ 1,

  2115.     /* paramIns  */ 0,

  2116.     /* paramOuts */ 0,

  2117.     /* name      */ "Carla-Rack",

  2118.     /* label     */ "carlarack",

  2119.     /* maker     */ "falkTX",

  2120.     /* copyright */ "GNU GPL v2+",

  2121.     CarlaEngineNative::_instantiateRack,

  2122.     CarlaEngineNative::_cleanup,

  2123.     CarlaEngineNative::_get_parameter_count,

  2124.     CarlaEngineNative::_get_parameter_info,

  2125.     CarlaEngineNative::_get_parameter_value,

  2126.     CarlaEngineNative::_get_midi_program_count,

  2127.     CarlaEngineNative::_get_midi_program_info,

  2128.     CarlaEngineNative::_set_parameter_value,

  2129.     CarlaEngineNative::_set_midi_program,

  2130.     /* _set_custom_data        */ nullptr,

  2131.     CarlaEngineNative::_ui_show,

  2132.     CarlaEngineNative::_ui_idle,

  2133.     /* _ui_set_parameter_value */ nullptr,

  2134.     /* _ui_set_midi_program    */ nullptr,

  2135.     /* _ui_set_custom_data     */ nullptr,

  2136.     CarlaEngineNative::_activate,

  2137.     CarlaEngineNative::_deactivate,

  2138.     CarlaEngineNative::_process,

  2139.     CarlaEngineNative::_get_state,

  2140.     CarlaEngineNative::_set_state,

  2141.     CarlaEngineNative::_dispatcher

  2142. };

  2143. 

  2144. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  2145.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2146.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2147.                                                   |NATIVE_PLUGIN_HAS_UI

  2148.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2149.                                                   |NATIVE_PLUGIN_USES_STATE

  2150.                                                   |NATIVE_PLUGIN_USES_TIME),

  2151.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2152.     /* audioIns  */ 2,

  2153.     /* audioOuts */ 2,

  2154.     /* midiIns   */ 1,

  2155.     /* midiOuts  */ 0,

  2156.     /* paramIns  */ 0,

  2157.     /* paramOuts */ 0,

  2158.     /* name      */ "Carla-Rack (no midi out)",

  2159.     /* label     */ "carlarack-nomidiout",

  2160.     /* maker     */ "falkTX",

  2161.     /* copyright */ "GNU GPL v2+",

  2162.     CarlaEngineNative::_instantiateRackNoMidiOut,

  2163.     CarlaEngineNative::_cleanup,

  2164.     CarlaEngineNative::_get_parameter_count,

  2165.     CarlaEngineNative::_get_parameter_info,

  2166.     CarlaEngineNative::_get_parameter_value,

  2167.     CarlaEngineNative::_get_midi_program_count,

  2168.     CarlaEngineNative::_get_midi_program_info,

  2169.     CarlaEngineNative::_set_parameter_value,

  2170.     CarlaEngineNative::_set_midi_program,

  2171.     /* _set_custom_data        */ nullptr,

  2172.     CarlaEngineNative::_ui_show,

  2173.     CarlaEngineNative::_ui_idle,

  2174.     /* _ui_set_parameter_value */ nullptr,

  2175.     /* _ui_set_midi_program    */ nullptr,

  2176.     /* _ui_set_custom_data     */ nullptr,

  2177.     CarlaEngineNative::_activate,

  2178.     CarlaEngineNative::_deactivate,

  2179.     CarlaEngineNative::_process,

  2180.     CarlaEngineNative::_get_state,

  2181.     CarlaEngineNative::_set_state,

  2182.     CarlaEngineNative::_dispatcher

  2183. };

  2184. 

  2185. static const NativePluginDescriptor carlaPatchbayDesc = {

  2186.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2187.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2188.                                                   |NATIVE_PLUGIN_HAS_UI

  2189.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2190.                                                   |NATIVE_PLUGIN_USES_STATE

  2191.                                                   |NATIVE_PLUGIN_USES_TIME),

  2192.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2193.     /* audioIns  */ 2,

  2194.     /* audioOuts */ 2,

  2195.     /* midiIns   */ 1,

  2196.     /* midiOuts  */ 1,

  2197.     /* paramIns  */ 0,

  2198.     /* paramOuts */ 0,

  2199.     /* name      */ "Carla-Patchbay",

  2200.     /* label     */ "carlapatchbay",

  2201.     /* maker     */ "falkTX",

  2202.     /* copyright */ "GNU GPL v2+",

  2203.     CarlaEngineNative::_instantiatePatchbay,

  2204.     CarlaEngineNative::_cleanup,

  2205.     CarlaEngineNative::_get_parameter_count,

  2206.     CarlaEngineNative::_get_parameter_info,

  2207.     CarlaEngineNative::_get_parameter_value,

  2208.     CarlaEngineNative::_get_midi_program_count,

  2209.     CarlaEngineNative::_get_midi_program_info,

  2210.     CarlaEngineNative::_set_parameter_value,

  2211.     CarlaEngineNative::_set_midi_program,

  2212.     /* _set_custom_data        */ nullptr,

  2213.     CarlaEngineNative::_ui_show,

  2214.     CarlaEngineNative::_ui_idle,

  2215.     /* _ui_set_parameter_value */ nullptr,

  2216.     /* _ui_set_midi_program    */ nullptr,

  2217.     /* _ui_set_custom_data     */ nullptr,

  2218.     CarlaEngineNative::_activate,

  2219.     CarlaEngineNative::_deactivate,

  2220.     CarlaEngineNative::_process,

  2221.     CarlaEngineNative::_get_state,

  2222.     CarlaEngineNative::_set_state,

  2223.     CarlaEngineNative::_dispatcher

  2224. };

  2225. 

  2226. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  2227.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2228.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2229.                                                   |NATIVE_PLUGIN_HAS_UI

  2230.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2231.                                                   |NATIVE_PLUGIN_USES_STATE

  2232.                                                   |NATIVE_PLUGIN_USES_TIME),

  2233.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2234.     /* audioIns  */ 3,

  2235.     /* audioOuts */ 2,

  2236.     /* midiIns   */ 1,

  2237.     /* midiOuts  */ 1,

  2238.     /* paramIns  */ 0,

  2239.     /* paramOuts */ 0,

  2240.     /* name      */ "Carla-Patchbay (sidechain)",

  2241.     /* label     */ "carlapatchbay3s",

  2242.     /* maker     */ "falkTX",

  2243.     /* copyright */ "GNU GPL v2+",

  2244.     CarlaEngineNative::_instantiatePatchbay3s,

  2245.     CarlaEngineNative::_cleanup,

  2246.     CarlaEngineNative::_get_parameter_count,

  2247.     CarlaEngineNative::_get_parameter_info,

  2248.     CarlaEngineNative::_get_parameter_value,

  2249.     CarlaEngineNative::_get_midi_program_count,

  2250.     CarlaEngineNative::_get_midi_program_info,

  2251.     CarlaEngineNative::_set_parameter_value,

  2252.     CarlaEngineNative::_set_midi_program,

  2253.     /* _set_custom_data        */ nullptr,

  2254.     CarlaEngineNative::_ui_show,

  2255.     CarlaEngineNative::_ui_idle,

  2256.     /* _ui_set_parameter_value */ nullptr,

  2257.     /* _ui_set_midi_program    */ nullptr,

  2258.     /* _ui_set_custom_data     */ nullptr,

  2259.     CarlaEngineNative::_activate,

  2260.     CarlaEngineNative::_deactivate,

  2261.     CarlaEngineNative::_process,

  2262.     CarlaEngineNative::_get_state,

  2263.     CarlaEngineNative::_set_state,

  2264.     CarlaEngineNative::_dispatcher

  2265. };

  2266. 

  2267. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2268.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2269.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2270.                                                   |NATIVE_PLUGIN_HAS_UI

  2271.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2272.                                                   |NATIVE_PLUGIN_USES_STATE

  2273.                                                   |NATIVE_PLUGIN_USES_TIME),

  2274.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2275.     /* audioIns  */ 16,

  2276.     /* audioOuts */ 16,

  2277.     /* midiIns   */ 1,

  2278.     /* midiOuts  */ 1,

  2279.     /* paramIns  */ 0,

  2280.     /* paramOuts */ 0,

  2281.     /* name      */ "Carla-Patchbay (16chan)",

  2282.     /* label     */ "carlapatchbay16",

  2283.     /* maker     */ "falkTX",

  2284.     /* copyright */ "GNU GPL v2+",

  2285.     CarlaEngineNative::_instantiatePatchbay16,

  2286.     CarlaEngineNative::_cleanup,

  2287.     CarlaEngineNative::_get_parameter_count,

  2288.     CarlaEngineNative::_get_parameter_info,

  2289.     CarlaEngineNative::_get_parameter_value,

  2290.     CarlaEngineNative::_get_midi_program_count,

  2291.     CarlaEngineNative::_get_midi_program_info,

  2292.     CarlaEngineNative::_set_parameter_value,

  2293.     CarlaEngineNative::_set_midi_program,

  2294.     /* _set_custom_data        */ nullptr,

  2295.     CarlaEngineNative::_ui_show,

  2296.     CarlaEngineNative::_ui_idle,

  2297.     /* _ui_set_parameter_value */ nullptr,

  2298.     /* _ui_set_midi_program    */ nullptr,

  2299.     /* _ui_set_custom_data     */ nullptr,

  2300.     CarlaEngineNative::_activate,

  2301.     CarlaEngineNative::_deactivate,

  2302.     CarlaEngineNative::_process,

  2303.     CarlaEngineNative::_get_state,

  2304.     CarlaEngineNative::_set_state,

  2305.     CarlaEngineNative::_dispatcher

  2306. };

  2307. 

  2308. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2309.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2310.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2311.                                                   |NATIVE_PLUGIN_HAS_UI

  2312.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2313.                                                   |NATIVE_PLUGIN_USES_STATE

  2314.                                                   |NATIVE_PLUGIN_USES_TIME),

  2315.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2316.     /* audioIns  */ 32,

  2317.     /* audioOuts */ 32,

  2318.     /* midiIns   */ 1,

  2319.     /* midiOuts  */ 1,

  2320.     /* paramIns  */ 0,

  2321.     /* paramOuts */ 0,

  2322.     /* name      */ "Carla-Patchbay (32chan)",

  2323.     /* label     */ "carlapatchbay32",

  2324.     /* maker     */ "falkTX",

  2325.     /* copyright */ "GNU GPL v2+",

  2326.     CarlaEngineNative::_instantiatePatchbay32,

  2327.     CarlaEngineNative::_cleanup,

  2328.     CarlaEngineNative::_get_parameter_count,

  2329.     CarlaEngineNative::_get_parameter_info,

  2330.     CarlaEngineNative::_get_parameter_value,

  2331.     CarlaEngineNative::_get_midi_program_count,

  2332.     CarlaEngineNative::_get_midi_program_info,

  2333.     CarlaEngineNative::_set_parameter_value,

  2334.     CarlaEngineNative::_set_midi_program,

  2335.     /* _set_custom_data        */ nullptr,

  2336.     CarlaEngineNative::_ui_show,

  2337.     CarlaEngineNative::_ui_idle,

  2338.     /* _ui_set_parameter_value */ nullptr,

  2339.     /* _ui_set_midi_program    */ nullptr,

  2340.     /* _ui_set_custom_data     */ nullptr,

  2341.     CarlaEngineNative::_activate,

  2342.     CarlaEngineNative::_deactivate,

  2343.     CarlaEngineNative::_process,

  2344.     CarlaEngineNative::_get_state,

  2345.     CarlaEngineNative::_set_state,

  2346.     CarlaEngineNative::_dispatcher

  2347. };

  2348. 

  2349. CARLA_BACKEND_END_NAMESPACE

  2350. 

  2351. // -----------------------------------------------------------------------

  2352. 

  2353. CARLA_EXPORT

  2354. void carla_register_native_plugin_carla();

  2355. 

  2356. void carla_register_native_plugin_carla()

  2357. {

  2358.     CARLA_BACKEND_USE_NAMESPACE;

  2359.     carla_register_native_plugin(&carlaRackDesc);

  2360.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2361.     carla_register_native_plugin(&carlaPatchbayDesc);

  2362.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2363.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2364.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2365. }

  2366. 

  2367. // -----------------------------------------------------------------------

  2368. 

  2369. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2370. {

  2371.     CARLA_BACKEND_USE_NAMESPACE;

  2372.     return &carlaRackDesc;

  2373. }

  2374. 

  2375. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2376. {

  2377.     CARLA_BACKEND_USE_NAMESPACE;

  2378.     return &carlaPatchbayDesc;

  2379. }

  2380. 

  2381. const NativePluginDescriptor* carla_get_native_patchbay16_plugin()

  2382. {

  2383.     CARLA_BACKEND_USE_NAMESPACE;

  2384.     return &carlaPatchbay16Desc;

  2385. }

  2386. 

  2387. const NativePluginDescriptor* carla_get_native_patchbay32_plugin()

  2388. {

  2389.     CARLA_BACKEND_USE_NAMESPACE;

  2390.     return &carlaPatchbay32Desc;

  2391. }

  2392. 

  2393. // -----------------------------------------------------------------------

  2394. // Extra stuff for linking purposes

  2395. 

  2396. #ifdef CARLA_PLUGIN_EXPORT

  2397. 

  2398. CARLA_BACKEND_START_NAMESPACE

  2399. 

  2400. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2401. 

  2402. # ifdef USING_JUCE

  2403. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2404. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2405. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2406. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2407. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2408. # else

  2409. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2410. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2411. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2412. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2413. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2414. # endif

  2415. 

  2416. CARLA_BACKEND_END_NAMESPACE

  2417. 

  2418. #define CARLA_PLUGIN_UI_CLASS_PREFIX EngineNative

  2419. #include "CarlaHostCommon.cpp"

  2420. #include "CarlaPluginUI.cpp"

  2421. #include "CarlaDssiUtils.cpp"

  2422. #include "CarlaMacUtils.cpp"

  2423. #include "CarlaPatchbayUtils.cpp"

  2424. #include "CarlaPipeUtils.cpp"

  2425. #include "CarlaStateUtils.cpp"

  2426. 

  2427. #endif

  2428. 

  2429. // -----------------------------------------------------------------------