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Carla
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Audio plugin host https://kx.studio/carla
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Carla/source/backend/engine/CarlaEngineNative.cpp

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  1. /*

  2.  * Carla Plugin Host

  3.  * Copyright (C) 2011-2014 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaDefines.h"

  19. 

  20. #ifdef BUILD_BRIDGE

  21. # error This file should not be compiled if building bridge

  22. #endif

  23. #ifdef CARLA_OS_WIN

  24. # error This file should not be compiled for Windows

  25. #endif

  26. 

  27. #include "CarlaEngineInternal.hpp"

  28. #include "CarlaPlugin.hpp"

  29. 

  30. #include "CarlaBackendUtils.hpp"

  31. #include "CarlaBase64Utils.hpp"

  32. #include "CarlaBinaryUtils.hpp"

  33. #include "CarlaMathUtils.hpp"

  34. #include "CarlaStateUtils.hpp"

  35. 

  36. #include "CarlaExternalUI.hpp"

  37. #include "CarlaNative.hpp"

  38. 

  39. #include "juce_audio_basics.h"

  40. 

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

  42. # include "juce_gui_basics.h"

  43. #else

  44. namespace juce {

  45. # include "juce_events/messages/juce_Initialisation.h"

  46. } // namespace juce

  47. #endif

  48. 

  49. using juce::File;

  50. using juce::FloatVectorOperations;

  51. using juce::MemoryOutputStream;

  52. using juce::ScopedPointer;

  53. using juce::String;

  54. using juce::XmlDocument;

  55. using juce::XmlElement;

  56. 

  57. static bool gNeedsJuceHandling = false;

  58. static int  gJuceReferenceCounter = 0;

  59. 

  60. CARLA_BACKEND_START_NAMESPACE

  61. 

  62. // -----------------------------------------------------------------------

  63. 

  64. class CarlaEngineNativeUI : public CarlaExternalUI

  65. {

  66. public:

  67.     CarlaEngineNativeUI(CarlaEngine* const engine)

  68.         : fEngine(engine),

  69.           leakDetector_CarlaEngineNativeUI()

  70.     {

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

  72.     }

  73. 

  74.     ~CarlaEngineNativeUI() override

  75.     {

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

  77.     }

  78. 

  79.     CarlaMutex& getWriteLock() noexcept

  80.     {

  81.         return fWriteLock;

  82.     }

  83. 

  84.     void show() noexcept

  85.     {

  86.         const CarlaMutexLocker cml(fWriteLock);

  87.         writeMsg("show\n", 5);

  88.     }

  89. 

  90. protected:

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

  92.     {

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

  94.             return true;

  95. 

  96.         bool ok = true;

  97. 

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

  99.         {

  100.             uint32_t option;

  101.             int32_t value;

  102.             const char* valueStr = nullptr;

  103. 

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

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

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

  107. 

  108.             try {

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

  110.             } CARLA_SAFE_EXCEPTION("setOption");

  111. 

  112.             if (valueStr != nullptr)

  113.                 delete[] valueStr;

  114.         }

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

  116.         {

  117.             const char* filename;

  118. 

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

  120. 

  121.             try {

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

  123.             } CARLA_SAFE_EXCEPTION("loadFile");

  124. 

  125.             delete[] filename;

  126.         }

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

  128.         {

  129.             const char* filename;

  130. 

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

  132. 

  133.             try {

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

  135.             } CARLA_SAFE_EXCEPTION("loadProject");

  136. 

  137.             delete[] filename;

  138.         }

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

  140.         {

  141.             const char* filename;

  142. 

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

  144. 

  145.             try {

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

  147.             } CARLA_SAFE_EXCEPTION("saveProject");

  148. 

  149.             delete[] filename;

  150.         }

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

  152.         {

  153.             uint32_t groupA, portA, groupB, portB;

  154. 

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

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

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

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

  159. 

  160.             try {

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

  162.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  163.         }

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

  165.         {

  166.             uint32_t connectionId;

  167. 

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

  169. 

  170.             try {

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

  172.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  173.         }

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

  175.         {

  176.             try {

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

  178.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  179.         }

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

  181.         {

  182.             fEngine->transportPlay();

  183.         }

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

  185.         {

  186.             fEngine->transportPause();

  187.         }

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

  189.         {

  190.             uint64_t frame;

  191. 

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

  193. 

  194.             fEngine->transportRelocate(frame);

  195.         }

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

  197.         {

  198.             uint32_t btype, ptype;

  199.             const char* filename = nullptr;

  200.             const char* name;

  201.             const char* label;

  202.             int64_t uniqueId;

  203. 

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

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

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

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

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

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

  210. 

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

  212.             {

  213.                 delete[] filename;

  214.                 filename = nullptr;

  215.             }

  216. 

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

  218.             {

  219.                 delete[] name;

  220.                 name = nullptr;

  221.             }

  222. 

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

  224. 

  225.             if (filename != nullptr)

  226.                 delete[] filename;

  227.             if (name != nullptr)

  228.                 delete[] name;

  229.             delete[] label;

  230.         }

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

  232.         {

  233.             uint32_t pluginId;

  234. 

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

  236. 

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

  238.         }

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

  240.         {

  241.             ok = fEngine->removeAllPlugins();

  242.         }

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

  244.         {

  245.             uint32_t pluginId;

  246.             const char* newName;

  247. 

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

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

  250. 

  251.             // TODO

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

  253. 

  254.             delete[] newName;

  255.         }

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

  257.         {

  258.             uint32_t pluginId;

  259. 

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

  261. 

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

  263.         }

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

  265.         {

  266.             uint32_t pluginId;

  267. 

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

  269. 

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

  271.         }

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

  273.         {

  274.             uint32_t pluginIdA, pluginIdB;

  275. 

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

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

  278. 

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

  280.         }

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

  282.         {

  283.             uint32_t pluginId;

  284.             const char* filename;

  285. 

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

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

  288. 

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

  290.                 plugin->loadStateFromFile(filename);

  291. 

  292.             delete[] filename;

  293.         }

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

  295.         {

  296.             uint32_t pluginId;

  297.             const char* filename;

  298. 

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

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

  301. 

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

  303.                 plugin->saveStateToFile(filename);

  304. 

  305.             delete[] filename;

  306.         }

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

  308.         {

  309.             uint32_t pluginId, option;

  310.             bool yesNo;

  311. 

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

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

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

  315. 

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

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

  318.         }

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

  320.         {

  321.             uint32_t pluginId;

  322.             bool onOff;

  323. 

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

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

  326. 

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

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

  329.         }

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

  331.         {

  332.             uint32_t pluginId;

  333.             float value;

  334. 

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

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

  337. 

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

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

  340.         }

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

  342.         {

  343.             uint32_t pluginId;

  344.             float value;

  345. 

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

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

  348. 

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

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

  351.         }

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

  353.         {

  354.             uint32_t pluginId;

  355.             float value;

  356. 

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

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

  359. 

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

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

  362.         }

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

  364.         {

  365.             uint32_t pluginId;

  366.             float value;

  367. 

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

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

  370. 

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

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

  373.         }

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

  375.         {

  376.             uint32_t pluginId;

  377.             float value;

  378. 

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

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

  381. 

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

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

  384.         }

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

  386.         {

  387.             uint32_t pluginId;

  388.             int32_t channel;

  389. 

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

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

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

  393. 

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

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

  396.         }

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

  398.         {

  399.             uint32_t pluginId, parameterId;

  400.             float value;

  401. 

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

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

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

  405. 

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

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

  408.         }

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

  410.         {

  411.             uint32_t pluginId, parameterId, channel;

  412. 

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

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

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

  416.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  417. 

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

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

  420.         }

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

  422.         {

  423.             uint32_t pluginId, parameterId;

  424.             int32_t cc;

  425. 

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

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

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

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

  430. 

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

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

  433.         }

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

  435.         {

  436.             uint32_t pluginId;

  437.             int32_t index;

  438. 

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

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

  441. 

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

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

  444.         }

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

  446.         {

  447.             uint32_t pluginId;

  448.             int32_t index;

  449. 

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

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

  452. 

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

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

  455.         }

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

  457.         {

  458.             uint32_t pluginId;

  459.             const char* type;

  460.             const char* key;

  461.             const char* value;

  462. 

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

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

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

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

  467. 

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

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

  470. 

  471.             delete[] type;

  472.             delete[] key;

  473.             delete[] value;

  474.         }

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

  476.         {

  477.             uint32_t pluginId;

  478.             const char* cdata;

  479. 

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

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

  482. 

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

  484.             {

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

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

  487.             }

  488. 

  489.             delete[] cdata;

  490.         }

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

  492.         {

  493.             uint32_t pluginId;

  494. 

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

  496. 

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

  498.                 plugin->prepareForSave();

  499.         }

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

  501.         {

  502.             uint32_t pluginId;

  503. 

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

  505. 

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

  507.                 plugin->resetParameters();

  508.         }

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

  510.         {

  511.             uint32_t pluginId;

  512. 

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

  514. 

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

  516.                 plugin->randomizeParameters();

  517.         }

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

  519.         {

  520.             uint32_t pluginId, channel, note, velocity;

  521. 

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

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

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

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

  526.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  527.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  528.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  529. 

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

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

  532.         }

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

  534.         {

  535.             uint32_t pluginId;

  536.             bool yesNo;

  537. 

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

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

  540. 

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

  542.                 plugin->showCustomUI(yesNo);

  543.         }

  544.         else

  545.         {

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

  547.             return false;

  548.         }

  549. 

  550.         if (! ok)

  551.         {

  552.             const CarlaMutexLocker cml(fWriteLock);

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

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

  555.         }

  556. 

  557.         return true;

  558.     }

  559. 

  560. private:

  561.     CarlaEngine* const fEngine;

  562. 

  563.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  564. };

  565. 

  566. // -----------------------------------------------------------------------

  567. 

  568. class CarlaEngineNative : public CarlaEngine

  569. {

  570. public:

  571.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay, const uint32_t channels = 2)

  572.         : CarlaEngine(),

  573.           pHost(host),

  574.           kIsPatchbay(isPatchbay),

  575.           fIsActive(false),

  576.           fIsRunning(false),

  577.           fUiServer(this),

  578.           fOptionsForced(false),

  579.           leakDetector_CarlaEngineNative()

  580.     {

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

  582. 

  583.         CARLA_SAFE_ASSERT_INT(gJuceReferenceCounter >= 0, gJuceReferenceCounter);

  584. 

  585.         if (gNeedsJuceHandling && ++gJuceReferenceCounter == 1)

  586.             juce::initialiseJuce_GUI();

  587. 

  588.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  589. 

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

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

  592. 

  593.         // set-up engine

  594.         if (kIsPatchbay)

  595.         {

  596.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  597.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  598.             pData->options.forceStereo         = false;

  599.             pData->options.preferPluginBridges = false;

  600.             pData->options.preferUiBridges     = false;

  601.             init("Carla-Patchbay");

  602.             pData->graph.create(false, pData->sampleRate, pData->bufferSize, channels, channels);

  603.         }

  604.         else

  605.         {

  606.             CARLA_SAFE_ASSERT(channels == 2);

  607.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  608.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  609.             pData->options.forceStereo         = true;

  610.             pData->options.preferPluginBridges = false;

  611.             pData->options.preferUiBridges     = false;

  612.             init("Carla-Rack");

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

  614.         }

  615. 

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

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

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

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

  620. 

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

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

  623. 

  624.         setCallback(_ui_server_callback, this);

  625.     }

  626. 

  627.     ~CarlaEngineNative() override

  628.     {

  629.         CARLA_SAFE_ASSERT(! fIsActive);

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

  631. 

  632.         pData->aboutToClose = true;

  633.         fIsRunning = false;

  634. 

  635.         removeAllPlugins();

  636.         //runPendingRtEvents();

  637.         close();

  638. 

  639.         pData->graph.destroy();

  640. 

  641.         if (gNeedsJuceHandling && --gJuceReferenceCounter == 0)

  642.             juce::shutdownJuce_GUI();

  643. 

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

  645.     }

  646. 

  647. protected:

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

  649.     // CarlaEngine virtual calls

  650. 

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

  652.     {

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

  654. 

  655.         fIsRunning = true;

  656. 

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

  658.         {

  659.             close();

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

  661.             return false;

  662.         }

  663. 

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

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

  666. 

  667.         return true;

  668.     }

  669. 

  670.     bool close() override

  671.     {

  672.         fIsRunning = false;

  673.         CarlaEngine::close();

  674.         return true;

  675.     }

  676. 

  677.     bool isRunning() const noexcept override

  678.     {

  679.         return fIsRunning;

  680.     }

  681. 

  682.     bool isOffline() const noexcept override

  683.     {

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

  685.     }

  686. 

  687.     EngineType getType() const noexcept override

  688.     {

  689.         return kEngineTypePlugin;

  690.     }

  691. 

  692.     const char* getCurrentDriverName() const noexcept override

  693.     {

  694.         return "Plugin";

  695.     }

  696. 

  697.     // -------------------------------------------------------------------

  698. 

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

  700.     {

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

  702.         {

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

  704.             return retName;

  705.         }

  706. 

  707.         return nullptr;

  708.     }

  709. 

  710.     // -------------------------------------------------------------------

  711. 

  712.     void bufferSizeChanged(const uint32_t newBufferSize)

  713.     {

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

  715.             return;

  716. 

  717.         {

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

  719. 

  720.             fUiServer.writeAndFixMsg("buffer-size");

  721.             std::sprintf(fTmpBuf, "%i\n", newBufferSize);

  722.             fUiServer.writeMsg(fTmpBuf);

  723.         }

  724. 

  725.         pData->bufferSize = newBufferSize;

  726.         CarlaEngine::bufferSizeChanged(newBufferSize);

  727.     }

  728. 

  729.     void sampleRateChanged(const double newSampleRate)

  730.     {

  731.         if (carla_compareFloats(pData->sampleRate, newSampleRate))

  732.             return;

  733. 

  734.         {

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

  736.             const ScopedLocale csl;

  737. 

  738.             fUiServer.writeAndFixMsg("sample-rate");

  739.             std::sprintf(fTmpBuf, "%f\n", newSampleRate);

  740.             fUiServer.writeMsg(fTmpBuf);

  741.         }

  742. 

  743.         pData->sampleRate = newSampleRate;

  744.         CarlaEngine::sampleRateChanged(newSampleRate);

  745.     }

  746. 

  747.     // -------------------------------------------------------------------

  748. 

  749.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  750.     {

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

  752. 

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

  754. 

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

  756.         fUiServer.writeMsg(fTmpBuf);

  757. 

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

  759.         fUiServer.writeMsg(fTmpBuf);

  760. 

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

  762.         {

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

  764.             fUiServer.writeAndFixMsg(fTmpBuf);

  765.         }

  766.         else

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

  768. 

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

  770.         {

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

  772.             fUiServer.writeAndFixMsg(fTmpBuf);

  773.         }

  774.         else

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

  776. 

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

  778.         {

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

  780.             fUiServer.writeAndFixMsg(fTmpBuf);

  781.         }

  782.         else

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

  784. 

  785.         plugin->getRealName(fTmpBuf);

  786.         fUiServer.writeAndFixMsg(fTmpBuf);

  787. 

  788.         plugin->getLabel(fTmpBuf);

  789.         fUiServer.writeAndFixMsg(fTmpBuf);

  790. 

  791.         plugin->getMaker(fTmpBuf);

  792.         fUiServer.writeAndFixMsg(fTmpBuf);

  793. 

  794.         plugin->getCopyright(fTmpBuf);

  795.         fUiServer.writeAndFixMsg(fTmpBuf);

  796. 

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

  798.         fUiServer.writeMsg(fTmpBuf);

  799. 

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

  801.         fUiServer.writeMsg(fTmpBuf);

  802.     }

  803. 

  804.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  805.     {

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

  807.         const ScopedLocale csl;

  808. 

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

  810. 

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

  812.         {

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

  814.             fUiServer.writeMsg(fTmpBuf);

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

  816.             fUiServer.writeMsg(fTmpBuf);

  817.         }

  818. 

  819.         uint32_t ins, outs, count;

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

  821.         count = plugin->getParameterCount();

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

  823.         fUiServer.writeMsg(fTmpBuf);

  824. 

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

  826.         {

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

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

  829. 

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

  831.             fUiServer.writeMsg(fTmpBuf);

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

  833.             fUiServer.writeMsg(fTmpBuf);

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

  835.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  837.             fUiServer.writeAndFixMsg(fTmpBuf);

  838. 

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

  840.             fUiServer.writeMsg(fTmpBuf);

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

  842.             fUiServer.writeMsg(fTmpBuf);

  843. 

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

  845.             fUiServer.writeMsg(fTmpBuf);

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

  847.             fUiServer.writeMsg(fTmpBuf);

  848.         }

  849.     }

  850. 

  851.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  852.     {

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

  854. 

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

  856. 

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

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

  859.         fUiServer.writeMsg(fTmpBuf);

  860. 

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

  862.         {

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

  864.             fUiServer.writeMsg(fTmpBuf);

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

  866.             fUiServer.writeAndFixMsg(fTmpBuf);

  867.         }

  868. 

  869.         count = plugin->getMidiProgramCount();

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

  871.         fUiServer.writeMsg(fTmpBuf);

  872. 

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

  874.         {

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

  876.             fUiServer.writeMsg(fTmpBuf);

  877. 

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

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

  880.             fUiServer.writeMsg(fTmpBuf);

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

  882.             fUiServer.writeAndFixMsg(fTmpBuf);

  883.         }

  884.     }

  885. 

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

  887.     {

  888.         if (! fIsRunning)

  889.             return;

  890.         if (! fUiServer.isOk())

  891.             return;

  892. 

  893.         CarlaPlugin* plugin;

  894. 

  895.         switch (action)

  896.         {

  897.         case ENGINE_CALLBACK_RELOAD_INFO:

  898.             plugin = getPlugin(pluginId);

  899. 

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

  901.             {

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

  903.                 uiServerSendPluginInfo(plugin);

  904.             }

  905.             break;

  906. 

  907.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  908.             plugin = getPlugin(pluginId);

  909. 

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

  911.             {

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

  913.                 uiServerSendPluginParameters(plugin);

  914.             }

  915.             break;

  916. 

  917.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  918.             plugin = getPlugin(pluginId);

  919. 

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

  921.             {

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

  923.                 uiServerSendPluginPrograms(plugin);

  924.             }

  925.             break;

  926. 

  927.         case ENGINE_CALLBACK_RELOAD_ALL:

  928.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  929.             plugin = getPlugin(pluginId);

  930. 

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

  932.             {

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

  934.                 uiServerSendPluginInfo(plugin);

  935.                 uiServerSendPluginParameters(plugin);

  936.                 uiServerSendPluginPrograms(plugin);

  937.             }

  938.             break;

  939. 

  940.         default:

  941.             break;

  942.         }

  943. 

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

  945.         const ScopedLocale csl;

  946. 

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

  948.         fUiServer.writeMsg(fTmpBuf);

  949. 

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

  951.         fUiServer.writeMsg(fTmpBuf);

  952. 

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

  954.         fUiServer.writeMsg(fTmpBuf);

  955. 

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

  957.         fUiServer.writeMsg(fTmpBuf);

  958. 

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

  960.         fUiServer.writeMsg(fTmpBuf);

  961. 

  962.         fUiServer.writeAndFixMsg(valueStr);

  963.     }

  964. 

  965.     void uiServerInfo()

  966.     {

  967.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  968.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isOk(),);

  969. 

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

  971. 

  972.         fUiServer.writeAndFixMsg("complete-license");

  973.         fUiServer.writeAndFixMsg(carla_get_complete_license_text());

  974. 

  975.         fUiServer.writeAndFixMsg("juce-version");

  976.         fUiServer.writeAndFixMsg(carla_get_juce_version());

  977. 

  978.         fUiServer.writeAndFixMsg("file-exts");

  979.         fUiServer.writeAndFixMsg(carla_get_supported_file_extensions());

  980. 

  981.         fUiServer.writeAndFixMsg("max-plugin-number");

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

  983.         fUiServer.writeMsg(fTmpBuf);

  984. 

  985.         fUiServer.writeAndFixMsg("buffer-size");

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

  987.         fUiServer.writeMsg(fTmpBuf);

  988. 

  989.         const ScopedLocale csl;

  990. 

  991.         fUiServer.writeAndFixMsg("sample-rate");

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

  993.         fUiServer.writeMsg(fTmpBuf);

  994.     }

  995. 

  996.     void uiServerOptions()

  997.     {

  998.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  999.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isOk(),);

  1000. 

  1001.         const EngineOptions& options(pData->options);

  1002.         const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1003. 

  1004.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1005.         fUiServer.writeMsg(fTmpBuf);

  1006.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1007.         fUiServer.writeMsg(fTmpBuf);

  1008.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1009.         fUiServer.writeMsg(fTmpBuf);

  1010. 

  1011.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1012.         fUiServer.writeMsg(fTmpBuf);

  1013.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1014.         fUiServer.writeMsg(fTmpBuf);

  1015.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1016.         fUiServer.writeMsg(fTmpBuf);

  1017. 

  1018.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1019.         fUiServer.writeMsg(fTmpBuf);

  1020.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1021.         fUiServer.writeMsg(fTmpBuf);

  1022.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.forceStereo));

  1023.         fUiServer.writeMsg(fTmpBuf);

  1024. 

  1025.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1026.         fUiServer.writeMsg(fTmpBuf);

  1027.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1028.         fUiServer.writeMsg(fTmpBuf);

  1029.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.preferPluginBridges));

  1030.         fUiServer.writeMsg(fTmpBuf);

  1031. 

  1032.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1033.         fUiServer.writeMsg(fTmpBuf);

  1034.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1035.         fUiServer.writeMsg(fTmpBuf);

  1036.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.preferUiBridges));

  1037.         fUiServer.writeMsg(fTmpBuf);

  1038. 

  1039.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1040.         fUiServer.writeMsg(fTmpBuf);

  1041.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1042.         fUiServer.writeMsg(fTmpBuf);

  1043.         std::sprintf(fTmpBuf, "%s\n", bool2str(options.uisAlwaysOnTop));

  1044.         fUiServer.writeMsg(fTmpBuf);

  1045. 

  1046.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1047.         fUiServer.writeMsg(fTmpBuf);

  1048.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1049.         fUiServer.writeMsg(fTmpBuf);

  1050.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1051.         fUiServer.writeMsg(fTmpBuf);

  1052. 

  1053.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1054.         fUiServer.writeMsg(fTmpBuf);

  1055.         std::sprintf(fTmpBuf, "%s\n", bool2str(fOptionsForced));

  1056.         fUiServer.writeMsg(fTmpBuf);

  1057.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1058.         fUiServer.writeMsg(fTmpBuf);

  1059. 

  1060.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1061.         fUiServer.writeMsg(fTmpBuf);

  1062.         std::sprintf(fTmpBuf, "%s\n", "true");

  1063.         fUiServer.writeMsg(fTmpBuf);

  1064.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1065.         fUiServer.writeMsg(fTmpBuf);

  1066. 

  1067.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1068.         fUiServer.writeMsg(fTmpBuf);

  1069.         std::sprintf(fTmpBuf, "%s\n", "true");

  1070.         fUiServer.writeMsg(fTmpBuf);

  1071.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1072.         fUiServer.writeMsg(fTmpBuf);

  1073.     }

  1074. 

  1075.     // -------------------------------------------------------------------

  1076.     // Plugin parameter calls

  1077. 

  1078.     uint32_t getParameterCount() const

  1079.     {

  1080.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1081.             return plugin->getParameterCount();

  1082. 

  1083.         return 0;

  1084.     }

  1085. 

  1086.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1087.     {

  1088.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1089.         {

  1090.             if (index < plugin->getParameterCount())

  1091.             {

  1092.                 static NativeParameter param;

  1093.                 static char strBufName[STR_MAX+1];

  1094.                 static char strBufUnit[STR_MAX+1];

  1095. 

  1096.                 const ParameterData& paramData(plugin->getParameterData(index));

  1097.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1098. 

  1099.                 plugin->getParameterName(index, strBufName);

  1100.                 plugin->getParameterUnit(index, strBufUnit);

  1101. 

  1102.                 uint hints = 0x0;

  1103. 

  1104.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1105.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1106.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1107.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1108.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1109.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1110.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1111.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1112.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1113.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1114.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1115.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1116.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1117.                     hints |= NATIVE_PARAMETER_USES_CUSTOM_TEXT;

  1118. 

  1119.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1120.                 {

  1121.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1122.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1123.                     if (paramData.type == PARAMETER_OUTPUT)

  1124.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1125.                 }

  1126. 

  1127.                 param.hints = static_cast<NativeParameterHints>(hints);

  1128.                 param.name  = strBufName;

  1129.                 param.unit  = strBufUnit;

  1130.                 param.ranges.def = paramRanges.def;

  1131.                 param.ranges.min = paramRanges.min;

  1132.                 param.ranges.max = paramRanges.max;

  1133.                 param.ranges.step = paramRanges.step;

  1134.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1135.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1136.                 param.scalePointCount = 0; // TODO

  1137.                 param.scalePoints = nullptr;

  1138. 

  1139.                 return &param;

  1140.             }

  1141.         }

  1142. 

  1143.         return nullptr;

  1144.     }

  1145. 

  1146.     float getParameterValue(const uint32_t index) const

  1147.     {

  1148.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1149.         {

  1150.             if (index < plugin->getParameterCount())

  1151.                 return plugin->getParameterValue(index);

  1152.         }

  1153. 

  1154.         return 0.0f;

  1155.     }

  1156. 

  1157.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1158.     {

  1159.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1160.         {

  1161.             if (index < plugin->getParameterCount())

  1162.             {

  1163.                 static char strBuf[STR_MAX+1];

  1164.                 carla_zeroChar(strBuf, STR_MAX+1);

  1165. 

  1166.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1167. 

  1168.                 return strBuf;

  1169.             }

  1170.         }

  1171. 

  1172.         return nullptr;

  1173.     }

  1174. 

  1175.     // -------------------------------------------------------------------

  1176.     // Plugin midi-program calls

  1177. 

  1178.     uint32_t getMidiProgramCount() const

  1179.     {

  1180.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1181.             return plugin->getMidiProgramCount();

  1182. 

  1183.         return 0;

  1184.     }

  1185. 

  1186.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1187.     {

  1188.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1189.         {

  1190.             if (index < plugin->getMidiProgramCount())

  1191.             {

  1192.                 static NativeMidiProgram midiProg;

  1193. 

  1194.                 {

  1195.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1196. 

  1197.                     midiProg.bank    = midiProgData.bank;

  1198.                     midiProg.program = midiProgData.program;

  1199.                     midiProg.name    = midiProgData.name;

  1200.                 }

  1201. 

  1202.                 return &midiProg;

  1203.             }

  1204.         }

  1205. 

  1206.         return nullptr;

  1207.     }

  1208. 

  1209.     // -------------------------------------------------------------------

  1210.     // Plugin state calls

  1211. 

  1212.     void setParameterValue(const uint32_t index, const float value)

  1213.     {

  1214.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1215.         {

  1216.             if (index < plugin->getParameterCount())

  1217.                 plugin->setParameterValue(index, value, false, false, false);

  1218.         }

  1219.     }

  1220. 

  1221.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1222.     {

  1223.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1224.             plugin->setMidiProgramById(bank, program, false, false, false);

  1225.     }

  1226. 

  1227.     // -------------------------------------------------------------------

  1228.     // Plugin process calls

  1229. 

  1230.     void activate()

  1231.     {

  1232. #if 0

  1233.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1234.         {

  1235.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1236. 

  1237.             if (plugin == nullptr || ! plugin->isEnabled())

  1238.                 continue;

  1239. 

  1240.             plugin->setActive(true, true, false);

  1241.         }

  1242. #endif

  1243.         fIsActive = true;

  1244.     }

  1245. 

  1246.     void deactivate()

  1247.     {

  1248.         fIsActive = false;

  1249. #if 0

  1250.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1251.         {

  1252.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1253. 

  1254.             if (plugin == nullptr || ! plugin->isEnabled())

  1255.                 continue;

  1256. 

  1257.             plugin->setActive(false, true, false);

  1258.         }

  1259. #endif

  1260. 

  1261.         // just in case

  1262.         //runPendingRtEvents();

  1263.     }

  1264. 

  1265.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1266.     {

  1267.         const PendingRtEventsRunner prt(this);

  1268. 

  1269.         // ---------------------------------------------------------------

  1270.         // Time Info

  1271. 

  1272.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1273. 

  1274.         pData->timeInfo.playing = timeInfo->playing;

  1275.         pData->timeInfo.frame   = timeInfo->frame;

  1276.         pData->timeInfo.usecs   = timeInfo->usecs;

  1277.         pData->timeInfo.valid   = 0x0;

  1278. 

  1279.         if (timeInfo->bbt.valid)

  1280.         {

  1281.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1282. 

  1283.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1284.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1285.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1286.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1287. 

  1288.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1289.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1290. 

  1291.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1292.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1293.         }

  1294. 

  1295.         // ---------------------------------------------------------------

  1296.         // Do nothing if no plugins and rack mode

  1297. 

  1298.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1299.         {

  1300.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1301.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1302.             return;

  1303.         }

  1304. 

  1305.         // ---------------------------------------------------------------

  1306.         // initialize events

  1307. 

  1308.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1309.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1310. 

  1311.         // ---------------------------------------------------------------

  1312.         // events input (before processing)

  1313. 

  1314.         {

  1315.             uint32_t engineEventIndex = 0;

  1316. 

  1317.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1318.             {

  1319.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1320.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1321. 

  1322.                 engineEvent.time = midiEvent.time;

  1323.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1324. 

  1325.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1326.                     break;

  1327.             }

  1328.         }

  1329. 

  1330.         if (kIsPatchbay)

  1331.         {

  1332.             // -----------------------------------------------------------

  1333.             // process

  1334. 

  1335.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1336.         }

  1337.         else

  1338.         {

  1339.             // -----------------------------------------------------------

  1340.             // create audio buffers

  1341. 

  1342.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1343.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1344. 

  1345.             // -----------------------------------------------------------

  1346.             // process

  1347. 

  1348.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1349.         }

  1350. 

  1351.         // ---------------------------------------------------------------

  1352.         // events output (after processing)

  1353. 

  1354.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1355. 

  1356.         {

  1357.             NativeMidiEvent midiEvent;

  1358. 

  1359.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1360.             {

  1361.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1362. 

  1363.                 if (engineEvent.type == kEngineEventTypeNull)

  1364.                     break;

  1365. 

  1366.                 midiEvent.time = engineEvent.time;

  1367. 

  1368.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1369.                 {

  1370.                     midiEvent.port = 0;

  1371.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1372.                 }

  1373.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1374.                 {

  1375.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1376.                         continue;

  1377. 

  1378.                     midiEvent.port = engineEvent.midi.port;

  1379.                     midiEvent.size = engineEvent.midi.size;

  1380. 

  1381.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1382. 

  1383.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1384.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1385.                 }

  1386.                 else

  1387.                 {

  1388.                     carla_stderr("Unknown event type...");

  1389.                     continue;

  1390.                 }

  1391. 

  1392.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1393.             }

  1394.         }

  1395.     }

  1396. 

  1397.     // -------------------------------------------------------------------

  1398.     // Plugin UI calls

  1399. 

  1400.     void uiShow(const bool show)

  1401.     {

  1402.         if (show)

  1403.         {

  1404.             if (fUiServer.isOk())

  1405.                 return;

  1406. 

  1407.             CarlaString path(pHost->resourceDir);

  1408. 

  1409.             if (kIsPatchbay)

  1410.                 path += "/carla-plugin-patchbay";

  1411.             else

  1412.                 path += "/carla-plugin";

  1413. 

  1414.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1415. 

  1416.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1417.             fUiServer.start(false);

  1418. 

  1419.             uiServerInfo();

  1420.             uiServerOptions();

  1421.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1422. 

  1423.             fUiServer.show();

  1424. 

  1425.             for (uint i=0; i < pData->curPluginCount; ++i)

  1426.             {

  1427.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1428. 

  1429.                 if (plugin != nullptr && plugin->isEnabled())

  1430.                 {

  1431.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1432.                 }

  1433.             }

  1434. 

  1435.             if (kIsPatchbay)

  1436.                 patchbayRefresh(false);

  1437.         }

  1438.         else

  1439.         {

  1440.             fUiServer.stop();

  1441.         }

  1442.     }

  1443. 

  1444.     void uiIdle()

  1445.     {

  1446.         CarlaEngine::idle();

  1447.         fUiServer.idle();

  1448. 

  1449.         if (! fUiServer.isOk())

  1450.             return;

  1451. 

  1452.         {

  1453.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1454.             const CarlaMutexLocker cml(fUiServer.getWriteLock());

  1455.             const ScopedLocale csl;

  1456. 

  1457.             // send transport

  1458.             fUiServer.writeAndFixMsg("transport");

  1459.             fUiServer.writeAndFixMsg(bool2str(timeInfo.playing));

  1460. 

  1461.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1462.             {

  1463.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1464.                 fUiServer.writeMsg(fTmpBuf);

  1465.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1466.                 fUiServer.writeMsg(fTmpBuf);

  1467.             }

  1468.             else

  1469.             {

  1470.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1471.                 fUiServer.writeMsg(fTmpBuf);

  1472.                 fUiServer.writeMsg("0.0\n");

  1473.             }

  1474. 

  1475.             // send peaks and param outputs for all plugins

  1476.             for (uint i=0; i < pData->curPluginCount; ++i)

  1477.             {

  1478.                 const EnginePluginData& plugData(pData->plugins[i]);

  1479.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1480. 

  1481.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1482.                 fUiServer.writeMsg(fTmpBuf);

  1483. 

  1484.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1485.                 fUiServer.writeMsg(fTmpBuf);

  1486. 

  1487.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1488.                 {

  1489.                     if (! plugin->isParameterOutput(j))

  1490.                         continue;

  1491. 

  1492.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1493.                     fUiServer.writeMsg(fTmpBuf);

  1494.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1495.                     fUiServer.writeMsg(fTmpBuf);

  1496.                 }

  1497.             }

  1498.         }

  1499. 

  1500.         switch (fUiServer.getAndResetUiState())

  1501.         {

  1502.         case CarlaExternalUI::UiNone:

  1503.         case CarlaExternalUI::UiShow:

  1504.             break;

  1505.         case CarlaExternalUI::UiCrashed:

  1506.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1507.             break;

  1508.         case CarlaExternalUI::UiHide:

  1509.             pHost->ui_closed(pHost->handle);

  1510.             fUiServer.stop();

  1511.             break;

  1512.         }

  1513.     }

  1514. 

  1515.     // -------------------------------------------------------------------

  1516.     // Plugin state calls

  1517. 

  1518.     char* getState() const

  1519.     {

  1520.         MemoryOutputStream out;

  1521.         saveProjectInternal(out);

  1522.         return strdup(out.toString().toRawUTF8());

  1523.     }

  1524. 

  1525.     void setState(const char* const data)

  1526.     {

  1527.         fOptionsForced = true;

  1528.         const String state(data);

  1529.         XmlDocument xml(state);

  1530.         loadProjectInternal(xml);

  1531.     }

  1532. 

  1533.     // -------------------------------------------------------------------

  1534. 

  1535. public:

  1536.     #define handlePtr ((CarlaEngineNative*)handle)

  1537. 

  1538.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1539.     {

  1540.         return new CarlaEngineNative(host, false);

  1541.     }

  1542. 

  1543.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1544.     {

  1545.         return new CarlaEngineNative(host, true);

  1546.     }

  1547. 

  1548.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1549.     {

  1550.         return new CarlaEngineNative(host, true, 16);

  1551.     }

  1552. 

  1553.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1554.     {

  1555.         return new CarlaEngineNative(host, true, 32);

  1556.     }

  1557. 

  1558.     static void _cleanup(NativePluginHandle handle)

  1559.     {

  1560.         delete handlePtr;

  1561.     }

  1562. 

  1563.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1564.     {

  1565.         return handlePtr->getParameterCount();

  1566.     }

  1567. 

  1568.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1569.     {

  1570.         return handlePtr->getParameterInfo(index);

  1571.     }

  1572. 

  1573.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1574.     {

  1575.         return handlePtr->getParameterValue(index);

  1576.     }

  1577. 

  1578.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1579.     {

  1580.         return handlePtr->getParameterText(index /*, value*/);

  1581.     }

  1582. 

  1583.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1584.     {

  1585.         return handlePtr->getMidiProgramCount();

  1586.     }

  1587. 

  1588.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1589.     {

  1590.         return handlePtr->getMidiProgramInfo(index);

  1591.     }

  1592. 

  1593.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1594.     {

  1595.         handlePtr->setParameterValue(index, value);

  1596.     }

  1597. 

  1598.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1599.     {

  1600.         handlePtr->setMidiProgram(channel, bank, program);

  1601.     }

  1602. 

  1603.     static void _ui_show(NativePluginHandle handle, bool show)

  1604.     {

  1605.         handlePtr->uiShow(show);

  1606.     }

  1607. 

  1608.     static void _ui_idle(NativePluginHandle handle)

  1609.     {

  1610.         handlePtr->uiIdle();

  1611.     }

  1612. 

  1613.     static void _activate(NativePluginHandle handle)

  1614.     {

  1615.         handlePtr->activate();

  1616.     }

  1617. 

  1618.     static void _deactivate(NativePluginHandle handle)

  1619.     {

  1620.         handlePtr->deactivate();

  1621.     }

  1622. 

  1623.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1624.     {

  1625.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1626.     }

  1627. 

  1628.     static char* _get_state(NativePluginHandle handle)

  1629.     {

  1630.         return handlePtr->getState();

  1631.     }

  1632. 

  1633.     static void _set_state(NativePluginHandle handle, const char* data)

  1634.     {

  1635.         handlePtr->setState(data);

  1636.     }

  1637. 

  1638.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1639.     {

  1640.         switch(opcode)

  1641.         {

  1642.         case NATIVE_PLUGIN_OPCODE_NULL:

  1643.             return 0;

  1644.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1645.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1646.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1647.             return 0;

  1648.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1649.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1650.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1651.             return 0;

  1652.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1653.             handlePtr->offlineModeChanged(value != 0);

  1654.             return 0;

  1655.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1656.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1657.             return 0;

  1658.         }

  1659. 

  1660.         return 0;

  1661. 

  1662.         // unused

  1663.         (void)index;

  1664.         (void)ptr;

  1665.     }

  1666. 

  1667.     // -------------------------------------------------------------------

  1668. 

  1669.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1670.     {

  1671.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1672.     }

  1673. 

  1674.     // -------------------------------------------------------------------

  1675. 

  1676.     #undef handlePtr

  1677. 

  1678. private:

  1679.     const NativeHostDescriptor* const pHost;

  1680. 

  1681.     const bool kIsPatchbay; // rack if false

  1682.     bool fIsActive, fIsRunning;

  1683.     CarlaEngineNativeUI fUiServer;

  1684. 

  1685.     bool fOptionsForced;

  1686.     char fTmpBuf[STR_MAX+1];

  1687. 

  1688.     CarlaPlugin* _getFirstPlugin() const noexcept

  1689.     {

  1690.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1691.             return nullptr;

  1692. 

  1693.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1694. 

  1695.         if (plugin == nullptr || ! plugin->isEnabled())

  1696.             return nullptr;

  1697. 

  1698.         return pData->plugins[0].plugin;

  1699.     }

  1700. 

  1701.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1702. };

  1703. 

  1704. // -----------------------------------------------------------------------

  1705. 

  1706. static const NativePluginDescriptor carlaRackDesc = {

  1707.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1708.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1709.                                                   |NATIVE_PLUGIN_HAS_UI

  1710.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1711.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1712.                                                   |NATIVE_PLUGIN_USES_STATE

  1713.                                                   |NATIVE_PLUGIN_USES_TIME),

  1714.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1715.     /* audioIns  */ 2,

  1716.     /* audioOuts */ 2,

  1717.     /* midiIns   */ 1,

  1718.     /* midiOuts  */ 1,

  1719.     /* paramIns  */ 0,

  1720.     /* paramOuts */ 0,

  1721.     /* name      */ "Carla-Rack",

  1722.     /* label     */ "carlarack",

  1723.     /* maker     */ "falkTX",

  1724.     /* copyright */ "GNU GPL v2+",

  1725.     CarlaEngineNative::_instantiateRack,

  1726.     CarlaEngineNative::_cleanup,

  1727.     CarlaEngineNative::_get_parameter_count,

  1728.     CarlaEngineNative::_get_parameter_info,

  1729.     CarlaEngineNative::_get_parameter_value,

  1730.     CarlaEngineNative::_get_parameter_text,

  1731.     CarlaEngineNative::_get_midi_program_count,

  1732.     CarlaEngineNative::_get_midi_program_info,

  1733.     CarlaEngineNative::_set_parameter_value,

  1734.     CarlaEngineNative::_set_midi_program,

  1735.     /* _set_custom_data        */ nullptr,

  1736.     CarlaEngineNative::_ui_show,

  1737.     CarlaEngineNative::_ui_idle,

  1738.     /* _ui_set_parameter_value */ nullptr,

  1739.     /* _ui_set_midi_program    */ nullptr,

  1740.     /* _ui_set_custom_data     */ nullptr,

  1741.     CarlaEngineNative::_activate,

  1742.     CarlaEngineNative::_deactivate,

  1743.     CarlaEngineNative::_process,

  1744.     CarlaEngineNative::_get_state,

  1745.     CarlaEngineNative::_set_state,

  1746.     CarlaEngineNative::_dispatcher

  1747. };

  1748. 

  1749. static const NativePluginDescriptor carlaPatchbayDesc = {

  1750.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1751.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1752.                                                   |NATIVE_PLUGIN_HAS_UI

  1753.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1754.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1755.                                                   |NATIVE_PLUGIN_USES_STATE

  1756.                                                   |NATIVE_PLUGIN_USES_TIME),

  1757.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1758.     /* audioIns  */ 2,

  1759.     /* audioOuts */ 2,

  1760.     /* midiIns   */ 1,

  1761.     /* midiOuts  */ 1,

  1762.     /* paramIns  */ 0,

  1763.     /* paramOuts */ 0,

  1764.     /* name      */ "Carla-Patchbay",

  1765.     /* label     */ "carlapatchbay",

  1766.     /* maker     */ "falkTX",

  1767.     /* copyright */ "GNU GPL v2+",

  1768.     CarlaEngineNative::_instantiatePatchbay,

  1769.     CarlaEngineNative::_cleanup,

  1770.     CarlaEngineNative::_get_parameter_count,

  1771.     CarlaEngineNative::_get_parameter_info,

  1772.     CarlaEngineNative::_get_parameter_value,

  1773.     CarlaEngineNative::_get_parameter_text,

  1774.     CarlaEngineNative::_get_midi_program_count,

  1775.     CarlaEngineNative::_get_midi_program_info,

  1776.     CarlaEngineNative::_set_parameter_value,

  1777.     CarlaEngineNative::_set_midi_program,

  1778.     /* _set_custom_data        */ nullptr,

  1779.     CarlaEngineNative::_ui_show,

  1780.     CarlaEngineNative::_ui_idle,

  1781.     /* _ui_set_parameter_value */ nullptr,

  1782.     /* _ui_set_midi_program    */ nullptr,

  1783.     /* _ui_set_custom_data     */ nullptr,

  1784.     CarlaEngineNative::_activate,

  1785.     CarlaEngineNative::_deactivate,

  1786.     CarlaEngineNative::_process,

  1787.     CarlaEngineNative::_get_state,

  1788.     CarlaEngineNative::_set_state,

  1789.     CarlaEngineNative::_dispatcher

  1790. };

  1791. 

  1792. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1793.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1794.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1795.                                                   |NATIVE_PLUGIN_HAS_UI

  1796.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1797.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1798.                                                   |NATIVE_PLUGIN_USES_STATE

  1799.                                                   |NATIVE_PLUGIN_USES_TIME),

  1800.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1801.     /* audioIns  */ 16,

  1802.     /* audioOuts */ 16,

  1803.     /* midiIns   */ 1,

  1804.     /* midiOuts  */ 1,

  1805.     /* paramIns  */ 0,

  1806.     /* paramOuts */ 0,

  1807.     /* name      */ "Carla-Patchbay (16chan)",

  1808.     /* label     */ "carlapatchbay16",

  1809.     /* maker     */ "falkTX",

  1810.     /* copyright */ "GNU GPL v2+",

  1811.     CarlaEngineNative::_instantiatePatchbay16,

  1812.     CarlaEngineNative::_cleanup,

  1813.     CarlaEngineNative::_get_parameter_count,

  1814.     CarlaEngineNative::_get_parameter_info,

  1815.     CarlaEngineNative::_get_parameter_value,

  1816.     CarlaEngineNative::_get_parameter_text,

  1817.     CarlaEngineNative::_get_midi_program_count,

  1818.     CarlaEngineNative::_get_midi_program_info,

  1819.     CarlaEngineNative::_set_parameter_value,

  1820.     CarlaEngineNative::_set_midi_program,

  1821.     /* _set_custom_data        */ nullptr,

  1822.     CarlaEngineNative::_ui_show,

  1823.     CarlaEngineNative::_ui_idle,

  1824.     /* _ui_set_parameter_value */ nullptr,

  1825.     /* _ui_set_midi_program    */ nullptr,

  1826.     /* _ui_set_custom_data     */ nullptr,

  1827.     CarlaEngineNative::_activate,

  1828.     CarlaEngineNative::_deactivate,

  1829.     CarlaEngineNative::_process,

  1830.     CarlaEngineNative::_get_state,

  1831.     CarlaEngineNative::_set_state,

  1832.     CarlaEngineNative::_dispatcher

  1833. };

  1834. 

  1835. static const NativePluginDescriptor carlaPatchbay32Desc = {

  1836.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1837.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1838.                                                   |NATIVE_PLUGIN_HAS_UI

  1839.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1840.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1841.                                                   |NATIVE_PLUGIN_USES_STATE

  1842.                                                   |NATIVE_PLUGIN_USES_TIME),

  1843.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1844.     /* audioIns  */ 32,

  1845.     /* audioOuts */ 32,

  1846.     /* midiIns   */ 1,

  1847.     /* midiOuts  */ 1,

  1848.     /* paramIns  */ 0,

  1849.     /* paramOuts */ 0,

  1850.     /* name      */ "Carla-Patchbay (32chan)",

  1851.     /* label     */ "carlapatchbay32",

  1852.     /* maker     */ "falkTX",

  1853.     /* copyright */ "GNU GPL v2+",

  1854.     CarlaEngineNative::_instantiatePatchbay32,

  1855.     CarlaEngineNative::_cleanup,

  1856.     CarlaEngineNative::_get_parameter_count,

  1857.     CarlaEngineNative::_get_parameter_info,

  1858.     CarlaEngineNative::_get_parameter_value,

  1859.     CarlaEngineNative::_get_parameter_text,

  1860.     CarlaEngineNative::_get_midi_program_count,

  1861.     CarlaEngineNative::_get_midi_program_info,

  1862.     CarlaEngineNative::_set_parameter_value,

  1863.     CarlaEngineNative::_set_midi_program,

  1864.     /* _set_custom_data        */ nullptr,

  1865.     CarlaEngineNative::_ui_show,

  1866.     CarlaEngineNative::_ui_idle,

  1867.     /* _ui_set_parameter_value */ nullptr,

  1868.     /* _ui_set_midi_program    */ nullptr,

  1869.     /* _ui_set_custom_data     */ nullptr,

  1870.     CarlaEngineNative::_activate,

  1871.     CarlaEngineNative::_deactivate,

  1872.     CarlaEngineNative::_process,

  1873.     CarlaEngineNative::_get_state,

  1874.     CarlaEngineNative::_set_state,

  1875.     CarlaEngineNative::_dispatcher

  1876. };

  1877. 

  1878. CARLA_BACKEND_END_NAMESPACE

  1879. 

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

  1881. 

  1882. CARLA_EXPORT

  1883. void carla_register_native_plugin_carla();

  1884. 

  1885. void carla_register_native_plugin_carla()

  1886. {

  1887.     CARLA_BACKEND_USE_NAMESPACE;

  1888.     carla_register_native_plugin(&carlaRackDesc);

  1889.     carla_register_native_plugin(&carlaPatchbayDesc);

  1890.     carla_register_native_plugin(&carlaPatchbay16Desc);

  1891.     carla_register_native_plugin(&carlaPatchbay32Desc);

  1892. }

  1893. 

  1894. // -----------------------------------------------------------------------

  1895. 

  1896. CARLA_EXPORT

  1897. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1898. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1899. {

  1900.     // if this is called then we're running as special plugin

  1901.     gNeedsJuceHandling = true;

  1902. 

  1903.     CARLA_BACKEND_USE_NAMESPACE;

  1904.     return &carlaRackDesc;

  1905. }

  1906. 

  1907. CARLA_EXPORT

  1908. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1909. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1910. {

  1911.     // if this is called then we're running as special plugin

  1912.     gNeedsJuceHandling = true;

  1913. 

  1914.     CARLA_BACKEND_USE_NAMESPACE;

  1915.     return &carlaPatchbayDesc;

  1916. }

  1917. 

  1918. // -----------------------------------------------------------------------

  1919. // Extra stuff for linking purposes

  1920. 

  1921. #ifdef CARLA_PLUGIN_EXPORT

  1922. 

  1923. CARLA_BACKEND_START_NAMESPACE

  1924. 

  1925. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1926. 

  1927. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1928. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1929. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1930. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1931. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1932. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1933. # else

  1934. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1935. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  1936. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  1937. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1938. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1939. # endif

  1940. 

  1941. CARLA_BACKEND_END_NAMESPACE

  1942. 

  1943. #include "CarlaHostCommon.cpp"

  1944. #include "CarlaPluginUI.cpp"

  1945. #include "CarlaDssiUtils.cpp"

  1946. #include "CarlaStateUtils.cpp"

  1947. #include "CarlaJuceEvents.cpp"

  1948. 

  1949. #endif

  1950. 

  1951. // -----------------------------------------------------------------------