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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. 

  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 "CarlaNative.hpp"

  35. 

  36. #include "juce_audio_basics.h"

  37. 

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

  39. # include "juce_gui_basics.h"

  40. #else

  41. namespace juce {

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

  43. } // namespace juce

  44. #endif

  45. 

  46. using juce::File;

  47. using juce::FloatVectorOperations;

  48. using juce::MemoryOutputStream;

  49. using juce::ScopedPointer;

  50. using juce::String;

  51. using juce::XmlDocument;

  52. using juce::XmlElement;

  53. 

  54. static bool gNeedsJuceHandling = false;

  55. static int  gJuceReferenceCounter = 0;

  56. 

  57. CARLA_BACKEND_START_NAMESPACE

  58. 

  59. // -----------------------------------------------------------------------

  60. 

  61. class CarlaEngineNativeUI : public CarlaExternalUI

  62. {

  63. public:

  64.     CarlaEngineNativeUI(CarlaEngine* const engine)

  65.         : fEngine(engine),

  66.           leakDetector_CarlaEngineNativeUI()

  67.     {

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

  69.     }

  70. 

  71.     ~CarlaEngineNativeUI() override

  72.     {

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

  74.     }

  75. 

  76.     void show() noexcept

  77.     {

  78.         const CarlaMutexLocker cml(getLock());

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

  80.         flush();

  81.     }

  82. 

  83. protected:

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

  85.     {

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

  87.             return true;

  88. 

  89.         bool ok = true;

  90. 

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

  92.         {

  93.             uint32_t option;

  94.             int32_t value;

  95.             const char* valueStr = nullptr;

  96. 

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

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

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

  100. 

  101.             try {

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

  103.             } CARLA_SAFE_EXCEPTION("setOption");

  104. 

  105.             if (valueStr != nullptr)

  106.                 delete[] valueStr;

  107.         }

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

  109.         {

  110.             const char* filename;

  111. 

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

  113. 

  114.             try {

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

  116.             } CARLA_SAFE_EXCEPTION("loadFile");

  117. 

  118.             delete[] filename;

  119.         }

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

  121.         {

  122.             const char* filename;

  123. 

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

  125. 

  126.             try {

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

  128.             } CARLA_SAFE_EXCEPTION("loadProject");

  129. 

  130.             delete[] filename;

  131.         }

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

  133.         {

  134.             const char* filename;

  135. 

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

  137. 

  138.             try {

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

  140.             } CARLA_SAFE_EXCEPTION("saveProject");

  141. 

  142.             delete[] filename;

  143.         }

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

  145.         {

  146.             uint32_t groupA, portA, groupB, portB;

  147. 

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

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

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

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

  152. 

  153.             try {

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

  155.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  156.         }

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

  158.         {

  159.             uint32_t connectionId;

  160. 

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

  162. 

  163.             try {

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

  165.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  166.         }

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

  168.         {

  169.             try {

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

  171.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  172.         }

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

  174.         {

  175.             fEngine->transportPlay();

  176.         }

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

  178.         {

  179.             fEngine->transportPause();

  180.         }

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

  182.         {

  183.             uint64_t frame;

  184. 

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

  186. 

  187.             fEngine->transportRelocate(frame);

  188.         }

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

  190.         {

  191.             uint32_t btype, ptype;

  192.             const char* filename = nullptr;

  193.             const char* name;

  194.             const char* label;

  195.             int64_t uniqueId;

  196. 

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

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

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

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

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

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

  203. 

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

  205.             {

  206.                 delete[] filename;

  207.                 filename = nullptr;

  208.             }

  209. 

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

  211.             {

  212.                 delete[] name;

  213.                 name = nullptr;

  214.             }

  215. 

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

  217. 

  218.             if (filename != nullptr)

  219.                 delete[] filename;

  220.             if (name != nullptr)

  221.                 delete[] name;

  222.             delete[] label;

  223.         }

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

  225.         {

  226.             uint32_t pluginId;

  227. 

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

  229. 

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

  231.         }

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

  233.         {

  234.             ok = fEngine->removeAllPlugins();

  235.         }

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

  237.         {

  238.             uint32_t pluginId;

  239.             const char* newName;

  240. 

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

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

  243. 

  244.             // TODO

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

  246. 

  247.             delete[] newName;

  248.         }

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

  250.         {

  251.             uint32_t pluginId;

  252. 

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

  254. 

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

  256.         }

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

  258.         {

  259.             uint32_t pluginId;

  260. 

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

  262. 

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

  264.         }

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

  266.         {

  267.             uint32_t pluginIdA, pluginIdB;

  268. 

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

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

  271. 

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

  273.         }

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

  275.         {

  276.             uint32_t pluginId;

  277.             const char* filename;

  278. 

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

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

  281. 

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

  283.                 plugin->loadStateFromFile(filename);

  284. 

  285.             delete[] filename;

  286.         }

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

  288.         {

  289.             uint32_t pluginId;

  290.             const char* filename;

  291. 

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

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

  294. 

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

  296.                 plugin->saveStateToFile(filename);

  297. 

  298.             delete[] filename;

  299.         }

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

  301.         {

  302.             uint32_t pluginId, option;

  303.             bool yesNo;

  304. 

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

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

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

  308. 

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

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

  311.         }

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

  313.         {

  314.             uint32_t pluginId;

  315.             bool onOff;

  316. 

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

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

  319. 

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

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

  322.         }

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

  324.         {

  325.             uint32_t pluginId;

  326.             float value;

  327. 

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

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

  330. 

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

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

  333.         }

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

  335.         {

  336.             uint32_t pluginId;

  337.             float value;

  338. 

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

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

  341. 

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

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

  344.         }

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

  346.         {

  347.             uint32_t pluginId;

  348.             float value;

  349. 

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

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

  352. 

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

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

  355.         }

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

  357.         {

  358.             uint32_t pluginId;

  359.             float value;

  360. 

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

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

  363. 

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

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

  366.         }

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

  368.         {

  369.             uint32_t pluginId;

  370.             float value;

  371. 

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

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

  374. 

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

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

  377.         }

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

  379.         {

  380.             uint32_t pluginId;

  381.             int32_t channel;

  382. 

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

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

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

  386. 

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

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

  389.         }

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

  391.         {

  392.             uint32_t pluginId, parameterId;

  393.             float value;

  394. 

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

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

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

  398. 

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

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

  401.         }

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

  403.         {

  404.             uint32_t pluginId, parameterId, channel;

  405. 

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

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

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

  409.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  410. 

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

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

  413.         }

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

  415.         {

  416.             uint32_t pluginId, parameterId;

  417.             int32_t cc;

  418. 

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

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

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

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

  423. 

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

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

  426.         }

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

  428.         {

  429.             uint32_t pluginId;

  430.             int32_t index;

  431. 

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

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

  434. 

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

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

  437.         }

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

  439.         {

  440.             uint32_t pluginId;

  441.             int32_t index;

  442. 

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

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

  445. 

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

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

  448.         }

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

  450.         {

  451.             uint32_t pluginId;

  452.             const char* type;

  453.             const char* key;

  454.             const char* value;

  455. 

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

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

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

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

  460. 

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

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

  463. 

  464.             delete[] type;

  465.             delete[] key;

  466.             delete[] value;

  467.         }

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

  469.         {

  470.             uint32_t pluginId;

  471.             const char* cdata;

  472. 

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

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

  475. 

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

  477.             {

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

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

  480.             }

  481. 

  482.             delete[] cdata;

  483.         }

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

  485.         {

  486.             uint32_t pluginId;

  487. 

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

  489. 

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

  491.                 plugin->prepareForSave();

  492.         }

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

  494.         {

  495.             uint32_t pluginId;

  496. 

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

  498. 

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

  500.                 plugin->resetParameters();

  501.         }

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

  503.         {

  504.             uint32_t pluginId;

  505. 

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

  507. 

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

  509.                 plugin->randomizeParameters();

  510.         }

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

  512.         {

  513.             uint32_t pluginId, channel, note, velocity;

  514. 

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

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

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

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

  519.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  520.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  521.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  522. 

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

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

  525.         }

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

  527.         {

  528.             uint32_t pluginId;

  529.             bool yesNo;

  530. 

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

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

  533. 

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

  535.                 plugin->showCustomUI(yesNo);

  536.         }

  537.         else

  538.         {

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

  540.             return false;

  541.         }

  542. 

  543.         if (! ok)

  544.         {

  545.             const CarlaMutexLocker cml(getLock());

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

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

  548.             flush();

  549.         }

  550. 

  551.         return true;

  552.     }

  553. 

  554. private:

  555.     CarlaEngine* const fEngine;

  556. 

  557.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  558. };

  559. 

  560. // -----------------------------------------------------------------------

  561. 

  562. class CarlaEngineNative : public CarlaEngine

  563. {

  564. public:

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

  566.         : CarlaEngine(),

  567.           pHost(host),

  568.           kIsPatchbay(isPatchbay),

  569.           fIsActive(false),

  570.           fIsRunning(false),

  571.           fUiServer(this),

  572.           fOptionsForced(false),

  573.           leakDetector_CarlaEngineNative()

  574.     {

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

  576. 

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

  578. 

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

  580.             juce::initialiseJuce_GUI();

  581. 

  582.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  583. 

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

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

  586. 

  587.         // set-up engine

  588.         if (kIsPatchbay)

  589.         {

  590.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  591.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  592.             pData->options.forceStereo         = false;

  593.             pData->options.preferPluginBridges = false;

  594.             pData->options.preferUiBridges     = false;

  595.             init("Carla-Patchbay");

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

  597.         }

  598.         else

  599.         {

  600.             CARLA_SAFE_ASSERT(channels == 2);

  601.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  602.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  603.             pData->options.forceStereo         = true;

  604.             pData->options.preferPluginBridges = false;

  605.             pData->options.preferUiBridges     = false;

  606.             init("Carla-Rack");

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

  608.         }

  609. 

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

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

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

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

  614. 

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

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

  617. 

  618.         setCallback(_ui_server_callback, this);

  619.     }

  620. 

  621.     ~CarlaEngineNative() override

  622.     {

  623.         CARLA_SAFE_ASSERT(! fIsActive);

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

  625. 

  626.         pData->aboutToClose = true;

  627.         fIsRunning = false;

  628. 

  629.         removeAllPlugins();

  630.         //runPendingRtEvents();

  631.         close();

  632. 

  633.         pData->graph.destroy();

  634. 

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

  636.             juce::shutdownJuce_GUI();

  637. 

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

  639.     }

  640. 

  641. protected:

  642.     // -------------------------------------

  643.     // CarlaEngine virtual calls

  644. 

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

  646.     {

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

  648. 

  649.         fIsRunning = true;

  650. 

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

  652.         {

  653.             close();

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

  655.             return false;

  656.         }

  657. 

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

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

  660. 

  661.         return true;

  662.     }

  663. 

  664.     bool close() override

  665.     {

  666.         fIsRunning = false;

  667.         CarlaEngine::close();

  668.         return true;

  669.     }

  670. 

  671.     bool isRunning() const noexcept override

  672.     {

  673.         return fIsRunning;

  674.     }

  675. 

  676.     bool isOffline() const noexcept override

  677.     {

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

  679.     }

  680. 

  681.     EngineType getType() const noexcept override

  682.     {

  683.         return kEngineTypePlugin;

  684.     }

  685. 

  686.     const char* getCurrentDriverName() const noexcept override

  687.     {

  688.         return "Plugin";

  689.     }

  690. 

  691.     // -------------------------------------------------------------------

  692. 

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

  694.     {

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

  696.         {

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

  698.             return retName;

  699.         }

  700. 

  701.         return nullptr;

  702.     }

  703. 

  704.     // -------------------------------------------------------------------

  705. 

  706.     void bufferSizeChanged(const uint32_t newBufferSize)

  707.     {

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

  709.             return;

  710. 

  711.         {

  712.             const CarlaMutexLocker cml(fUiServer.getLock());

  713. 

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

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

  716.             fUiServer.writeMsg(fTmpBuf);

  717.             fUiServer.flush();

  718.         }

  719. 

  720.         pData->bufferSize = newBufferSize;

  721.         CarlaEngine::bufferSizeChanged(newBufferSize);

  722.     }

  723. 

  724.     void sampleRateChanged(const double newSampleRate)

  725.     {

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

  727.             return;

  728. 

  729.         {

  730.             const CarlaMutexLocker cml(fUiServer.getLock());

  731.             const ScopedLocale csl;

  732. 

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

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

  735.             fUiServer.writeMsg(fTmpBuf);

  736.             fUiServer.flush();

  737.         }

  738. 

  739.         pData->sampleRate = newSampleRate;

  740.         CarlaEngine::sampleRateChanged(newSampleRate);

  741.     }

  742. 

  743.     // -------------------------------------------------------------------

  744. 

  745.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  746.     {

  747.         const CarlaMutexLocker cml(fUiServer.getLock());

  748. 

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

  750. 

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

  752.         fUiServer.writeMsg(fTmpBuf);

  753. 

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

  755.         fUiServer.writeMsg(fTmpBuf);

  756. 

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

  758.         {

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

  760.             fUiServer.writeAndFixMsg(fTmpBuf);

  761.         }

  762.         else

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

  764. 

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

  766.         {

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

  768.             fUiServer.writeAndFixMsg(fTmpBuf);

  769.         }

  770.         else

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

  772. 

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

  774.         {

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

  776.             fUiServer.writeAndFixMsg(fTmpBuf);

  777.         }

  778.         else

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

  780. 

  781.         plugin->getRealName(fTmpBuf);

  782.         fUiServer.writeAndFixMsg(fTmpBuf);

  783. 

  784.         plugin->getLabel(fTmpBuf);

  785.         fUiServer.writeAndFixMsg(fTmpBuf);

  786. 

  787.         plugin->getMaker(fTmpBuf);

  788.         fUiServer.writeAndFixMsg(fTmpBuf);

  789. 

  790.         plugin->getCopyright(fTmpBuf);

  791.         fUiServer.writeAndFixMsg(fTmpBuf);

  792. 

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

  794.         fUiServer.writeMsg(fTmpBuf);

  795. 

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

  797.         fUiServer.writeMsg(fTmpBuf);

  798. 

  799.         fUiServer.flush();

  800.     }

  801. 

  802.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  803.     {

  804.         const CarlaMutexLocker cml(fUiServer.getLock());

  805.         const ScopedLocale csl;

  806. 

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

  808. 

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

  810.         {

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

  812.             fUiServer.writeMsg(fTmpBuf);

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

  814.             fUiServer.writeMsg(fTmpBuf);

  815.             fUiServer.flush();

  816.         }

  817. 

  818.         uint32_t ins, outs, count;

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

  820.         count = plugin->getParameterCount();

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

  822.         fUiServer.writeMsg(fTmpBuf);

  823. 

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

  825.         {

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

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

  828. 

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

  830.             fUiServer.writeMsg(fTmpBuf);

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

  832.             fUiServer.writeMsg(fTmpBuf);

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

  834.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  836.             fUiServer.writeAndFixMsg(fTmpBuf);

  837. 

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

  839.             fUiServer.writeMsg(fTmpBuf);

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

  841.             fUiServer.writeMsg(fTmpBuf);

  842. 

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

  844.             fUiServer.writeMsg(fTmpBuf);

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

  846.             fUiServer.writeMsg(fTmpBuf);

  847.         }

  848. 

  849.         fUiServer.flush();

  850.     }

  851. 

  852.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  853.     {

  854.         const CarlaMutexLocker cml(fUiServer.getLock());

  855. 

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

  857. 

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

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

  860.         fUiServer.writeMsg(fTmpBuf);

  861. 

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

  863.         {

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

  865.             fUiServer.writeMsg(fTmpBuf);

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

  867.             fUiServer.writeAndFixMsg(fTmpBuf);

  868.         }

  869. 

  870.         fUiServer.flush();

  871. 

  872.         count = plugin->getMidiProgramCount();

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

  874.         fUiServer.writeMsg(fTmpBuf);

  875. 

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

  877.         {

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

  879.             fUiServer.writeMsg(fTmpBuf);

  880. 

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

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

  883.             fUiServer.writeMsg(fTmpBuf);

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

  885.             fUiServer.writeAndFixMsg(fTmpBuf);

  886.         }

  887. 

  888.         fUiServer.flush();

  889.     }

  890. 

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

  892.     {

  893.         if (! fIsRunning)

  894.             return;

  895.         if (! fUiServer.isRunning())

  896.             return;

  897. 

  898.         CarlaPlugin* plugin;

  899. 

  900.         switch (action)

  901.         {

  902.         case ENGINE_CALLBACK_RELOAD_INFO:

  903.             plugin = getPlugin(pluginId);

  904. 

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

  906.             {

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

  908.                 uiServerSendPluginInfo(plugin);

  909.             }

  910.             break;

  911. 

  912.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  913.             plugin = getPlugin(pluginId);

  914. 

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

  916.             {

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

  918.                 uiServerSendPluginParameters(plugin);

  919.             }

  920.             break;

  921. 

  922.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  923.             plugin = getPlugin(pluginId);

  924. 

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

  926.             {

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

  928.                 uiServerSendPluginPrograms(plugin);

  929.             }

  930.             break;

  931. 

  932.         case ENGINE_CALLBACK_RELOAD_ALL:

  933.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  934.             plugin = getPlugin(pluginId);

  935. 

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

  937.             {

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

  939.                 uiServerSendPluginInfo(plugin);

  940.                 uiServerSendPluginParameters(plugin);

  941.                 uiServerSendPluginPrograms(plugin);

  942.             }

  943.             break;

  944. 

  945.         default:

  946.             break;

  947.         }

  948. 

  949.         const CarlaMutexLocker cml(fUiServer.getLock());

  950.         const ScopedLocale csl;

  951. 

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

  953.         fUiServer.writeMsg(fTmpBuf);

  954. 

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

  956.         fUiServer.writeMsg(fTmpBuf);

  957. 

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

  959.         fUiServer.writeMsg(fTmpBuf);

  960. 

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

  962.         fUiServer.writeMsg(fTmpBuf);

  963. 

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

  965.         fUiServer.writeMsg(fTmpBuf);

  966. 

  967.         fUiServer.writeAndFixMsg(valueStr != nullptr ? valueStr : "");

  968. 

  969.         fUiServer.flush();

  970.     }

  971. 

  972.     void uiServerInfo()

  973.     {

  974.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  975.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isRunning(),);

  976. 

  977.         const CarlaMutexLocker cml(fUiServer.getLock());

  978. 

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

  980.         fUiServer.writeAndFixMsg(carla_get_complete_license_text());

  981. 

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

  983.         fUiServer.writeAndFixMsg(carla_get_juce_version());

  984. 

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

  986.         fUiServer.writeAndFixMsg(carla_get_supported_file_extensions());

  987. 

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

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

  990.         fUiServer.writeMsg(fTmpBuf);

  991. 

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

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

  994.         fUiServer.writeMsg(fTmpBuf);

  995. 

  996.         const ScopedLocale csl;

  997. 

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

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

  1000.         fUiServer.writeMsg(fTmpBuf);

  1001. 

  1002.         fUiServer.flush();

  1003.     }

  1004. 

  1005.     void uiServerOptions()

  1006.     {

  1007.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1008.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isRunning(),);

  1009. 

  1010.         const EngineOptions& options(pData->options);

  1011.         const CarlaMutexLocker cml(fUiServer.getLock());

  1012. 

  1013.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1014.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1015. 

  1016.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1017.         fUiServer.writeMsg(fTmpBuf);

  1018.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1019.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1020.         fUiServer.writeMsg(fTmpBuf);

  1021.         fUiServer.flush();

  1022. 

  1023.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1024.         fUiServer.writeMsg(fTmpBuf);

  1025.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1026.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1027.         fUiServer.writeMsg(fTmpBuf);

  1028.         fUiServer.flush();

  1029. 

  1030.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1031.         fUiServer.writeMsg(fTmpBuf);

  1032.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1033.         fUiServer.writeMsg(options.forceStereo ? "true\n" : "false\n");

  1034.         fUiServer.flush();

  1035. 

  1036.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1037.         fUiServer.writeMsg(fTmpBuf);

  1038.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1039.         fUiServer.writeMsg(options.preferPluginBridges ? "true\n" : "false\n");

  1040.         fUiServer.flush();

  1041. 

  1042.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1043.         fUiServer.writeMsg(fTmpBuf);

  1044.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1045.         fUiServer.writeMsg(options.preferUiBridges ? "true\n" : "false\n");

  1046.         fUiServer.flush();

  1047. 

  1048.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1049.         fUiServer.writeMsg(fTmpBuf);

  1050.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1051.         fUiServer.writeMsg(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1052.         fUiServer.flush();

  1053. 

  1054.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1055.         fUiServer.writeMsg(fTmpBuf);

  1056.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

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

  1058.         fUiServer.writeMsg(fTmpBuf);

  1059.         fUiServer.flush();

  1060. 

  1061.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1062.         fUiServer.writeMsg(fTmpBuf);

  1063.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1064.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1065.         fUiServer.writeMsg(fTmpBuf);

  1066.         fUiServer.flush();

  1067. 

  1068.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1069.         fUiServer.writeMsg(fTmpBuf);

  1070.         fUiServer.writeMsg("true\n", 5);

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

  1072.         fUiServer.writeMsg(fTmpBuf);

  1073.         fUiServer.flush();

  1074. 

  1075.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1076.         fUiServer.writeMsg(fTmpBuf);

  1077.         fUiServer.writeMsg("true\n", 5);

  1078.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1079.         fUiServer.writeMsg(fTmpBuf);

  1080.         fUiServer.flush();

  1081.     }

  1082. 

  1083.     // -------------------------------------------------------------------

  1084.     // Plugin parameter calls

  1085. 

  1086.     uint32_t getParameterCount() const

  1087.     {

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

  1089.             return plugin->getParameterCount();

  1090. 

  1091.         return 0;

  1092.     }

  1093. 

  1094.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1095.     {

  1096.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1097.         {

  1098.             if (index < plugin->getParameterCount())

  1099.             {

  1100.                 static NativeParameter param;

  1101.                 static char strBufName[STR_MAX+1];

  1102.                 static char strBufUnit[STR_MAX+1];

  1103. 

  1104.                 const ParameterData& paramData(plugin->getParameterData(index));

  1105.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1106. 

  1107.                 plugin->getParameterName(index, strBufName);

  1108.                 plugin->getParameterUnit(index, strBufUnit);

  1109. 

  1110.                 uint hints = 0x0;

  1111. 

  1112.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1113.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1114.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1115.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1116.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1117.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1118.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1119.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1120.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1121.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1122.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1123.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1124.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1125.                     hints |= NATIVE_PARAMETER_USES_CUSTOM_TEXT;

  1126. 

  1127.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1128.                 {

  1129.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1130.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1131.                     if (paramData.type == PARAMETER_OUTPUT)

  1132.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1133.                 }

  1134. 

  1135.                 param.hints = static_cast<NativeParameterHints>(hints);

  1136.                 param.name  = strBufName;

  1137.                 param.unit  = strBufUnit;

  1138.                 param.ranges.def = paramRanges.def;

  1139.                 param.ranges.min = paramRanges.min;

  1140.                 param.ranges.max = paramRanges.max;

  1141.                 param.ranges.step = paramRanges.step;

  1142.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1143.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1144.                 param.scalePointCount = 0; // TODO

  1145.                 param.scalePoints = nullptr;

  1146. 

  1147.                 return &param;

  1148.             }

  1149.         }

  1150. 

  1151.         return nullptr;

  1152.     }

  1153. 

  1154.     float getParameterValue(const uint32_t index) const

  1155.     {

  1156.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1157.         {

  1158.             if (index < plugin->getParameterCount())

  1159.                 return plugin->getParameterValue(index);

  1160.         }

  1161. 

  1162.         return 0.0f;

  1163.     }

  1164. 

  1165.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1166.     {

  1167.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1168.         {

  1169.             if (index < plugin->getParameterCount())

  1170.             {

  1171.                 static char strBuf[STR_MAX+1];

  1172.                 carla_zeroChar(strBuf, STR_MAX+1);

  1173. 

  1174.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1175. 

  1176.                 return strBuf;

  1177.             }

  1178.         }

  1179. 

  1180.         return nullptr;

  1181.     }

  1182. 

  1183.     // -------------------------------------------------------------------

  1184.     // Plugin midi-program calls

  1185. 

  1186.     uint32_t getMidiProgramCount() const

  1187.     {

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

  1189.             return plugin->getMidiProgramCount();

  1190. 

  1191.         return 0;

  1192.     }

  1193. 

  1194.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1195.     {

  1196.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1197.         {

  1198.             if (index < plugin->getMidiProgramCount())

  1199.             {

  1200.                 static NativeMidiProgram midiProg;

  1201. 

  1202.                 {

  1203.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1204. 

  1205.                     midiProg.bank    = midiProgData.bank;

  1206.                     midiProg.program = midiProgData.program;

  1207.                     midiProg.name    = midiProgData.name;

  1208.                 }

  1209. 

  1210.                 return &midiProg;

  1211.             }

  1212.         }

  1213. 

  1214.         return nullptr;

  1215.     }

  1216. 

  1217.     // -------------------------------------------------------------------

  1218.     // Plugin state calls

  1219. 

  1220.     void setParameterValue(const uint32_t index, const float value)

  1221.     {

  1222.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1223.         {

  1224.             if (index < plugin->getParameterCount())

  1225.                 plugin->setParameterValue(index, value, false, false, false);

  1226.         }

  1227.     }

  1228. 

  1229.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1230.     {

  1231.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1232.             plugin->setMidiProgramById(bank, program, false, false, false);

  1233.     }

  1234. 

  1235.     // -------------------------------------------------------------------

  1236.     // Plugin process calls

  1237. 

  1238.     void activate()

  1239.     {

  1240. #if 0

  1241.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1242.         {

  1243.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1244. 

  1245.             if (plugin == nullptr || ! plugin->isEnabled())

  1246.                 continue;

  1247. 

  1248.             plugin->setActive(true, true, false);

  1249.         }

  1250. #endif

  1251.         fIsActive = true;

  1252.     }

  1253. 

  1254.     void deactivate()

  1255.     {

  1256.         fIsActive = false;

  1257. #if 0

  1258.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1259.         {

  1260.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1261. 

  1262.             if (plugin == nullptr || ! plugin->isEnabled())

  1263.                 continue;

  1264. 

  1265.             plugin->setActive(false, true, false);

  1266.         }

  1267. #endif

  1268. 

  1269.         // just in case

  1270.         //runPendingRtEvents();

  1271.     }

  1272. 

  1273.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1274.     {

  1275.         const PendingRtEventsRunner prt(this);

  1276. 

  1277.         // ---------------------------------------------------------------

  1278.         // Time Info

  1279. 

  1280.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1281. 

  1282.         pData->timeInfo.playing = timeInfo->playing;

  1283.         pData->timeInfo.frame   = timeInfo->frame;

  1284.         pData->timeInfo.usecs   = timeInfo->usecs;

  1285.         pData->timeInfo.valid   = 0x0;

  1286. 

  1287.         if (timeInfo->bbt.valid)

  1288.         {

  1289.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1290. 

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

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

  1293.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1294.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1295. 

  1296.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1297.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1298. 

  1299.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1300.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1301.         }

  1302. 

  1303.         // ---------------------------------------------------------------

  1304.         // Do nothing if no plugins and rack mode

  1305. 

  1306.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1307.         {

  1308.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1309.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1310.             return;

  1311.         }

  1312. 

  1313.         // ---------------------------------------------------------------

  1314.         // initialize events

  1315. 

  1316.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1317.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1318. 

  1319.         // ---------------------------------------------------------------

  1320.         // events input (before processing)

  1321. 

  1322.         {

  1323.             uint32_t engineEventIndex = 0;

  1324. 

  1325.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1326.             {

  1327.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1328.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1329. 

  1330.                 engineEvent.time = midiEvent.time;

  1331.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1332. 

  1333.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1334.                     break;

  1335.             }

  1336.         }

  1337. 

  1338.         if (kIsPatchbay)

  1339.         {

  1340.             // -----------------------------------------------------------

  1341.             // process

  1342. 

  1343.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1344.         }

  1345.         else

  1346.         {

  1347.             // -----------------------------------------------------------

  1348.             // create audio buffers

  1349. 

  1350.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1351.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1352. 

  1353.             // -----------------------------------------------------------

  1354.             // process

  1355. 

  1356.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1357.         }

  1358. 

  1359.         // ---------------------------------------------------------------

  1360.         // events output (after processing)

  1361. 

  1362.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1363. 

  1364.         {

  1365.             NativeMidiEvent midiEvent;

  1366. 

  1367.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1368.             {

  1369.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1370. 

  1371.                 if (engineEvent.type == kEngineEventTypeNull)

  1372.                     break;

  1373. 

  1374.                 midiEvent.time = engineEvent.time;

  1375. 

  1376.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1377.                 {

  1378.                     midiEvent.port = 0;

  1379.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1380.                 }

  1381.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1382.                 {

  1383.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1384.                         continue;

  1385. 

  1386.                     midiEvent.port = engineEvent.midi.port;

  1387.                     midiEvent.size = engineEvent.midi.size;

  1388. 

  1389.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1390. 

  1391.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1392.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1393.                 }

  1394.                 else

  1395.                 {

  1396.                     carla_stderr("Unknown event type...");

  1397.                     continue;

  1398.                 }

  1399. 

  1400.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1401.             }

  1402.         }

  1403.     }

  1404. 

  1405.     // -------------------------------------------------------------------

  1406.     // Plugin UI calls

  1407. 

  1408.     void uiShow(const bool show)

  1409.     {

  1410.         if (show)

  1411.         {

  1412.             if (fUiServer.isRunning())

  1413.             {

  1414.                 fUiServer.writeMsg("focus\n", 6);

  1415.                 fUiServer.flush();

  1416.                 return;

  1417.             }

  1418. 

  1419.             CarlaString path(pHost->resourceDir);

  1420. 

  1421.             if (kIsPatchbay)

  1422.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1423.             else

  1424.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1425. #ifdef CARLA_OS_WIN

  1426.             path += ".exe";

  1427. #endif

  1428.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1429. 

  1430.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1431.             fUiServer.start(false);

  1432. 

  1433.             uiServerInfo();

  1434.             uiServerOptions();

  1435.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1436. 

  1437.             fUiServer.show();

  1438. 

  1439.             for (uint i=0; i < pData->curPluginCount; ++i)

  1440.             {

  1441.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1442. 

  1443.                 if (plugin != nullptr && plugin->isEnabled())

  1444.                 {

  1445.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1446.                 }

  1447.             }

  1448. 

  1449.             if (kIsPatchbay)

  1450.                 patchbayRefresh(false);

  1451.         }

  1452.         else

  1453.         {

  1454.             fUiServer.stop(5000);

  1455.         }

  1456.     }

  1457. 

  1458.     void uiIdle()

  1459.     {

  1460.         CarlaEngine::idle();

  1461.         fUiServer.idle();

  1462. 

  1463.         if (fUiServer.isRunning())

  1464.         {

  1465.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1466.             const CarlaMutexLocker cml(fUiServer.getLock());

  1467.             const ScopedLocale csl;

  1468. 

  1469. #ifndef CARLA_OS_WIN // FIXME

  1470.             // send transport

  1471.             fUiServer.writeAndFixMsg("transport");

  1472.             fUiServer.writeMsg(timeInfo.playing ? "true\n" : "false\n");

  1473. 

  1474.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1475.             {

  1476.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1477.                 fUiServer.writeMsg(fTmpBuf);

  1478.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1479.                 fUiServer.writeMsg(fTmpBuf);

  1480.             }

  1481.             else

  1482.             {

  1483.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1484.                 fUiServer.writeMsg(fTmpBuf);

  1485.                 fUiServer.writeMsg("0.0\n");

  1486.             }

  1487. 

  1488.             fUiServer.flush();

  1489. #endif

  1490. 

  1491.             // send peaks and param outputs for all plugins

  1492.             for (uint i=0; i < pData->curPluginCount; ++i)

  1493.             {

  1494.                 const EnginePluginData& plugData(pData->plugins[i]);

  1495.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1496. 

  1497.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1498.                 fUiServer.writeMsg(fTmpBuf);

  1499. 

  1500.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1501.                 fUiServer.writeMsg(fTmpBuf);

  1502.                 fUiServer.flush();

  1503. 

  1504.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1505.                 {

  1506.                     if (! plugin->isParameterOutput(j))

  1507.                         continue;

  1508. 

  1509.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1510.                     fUiServer.writeMsg(fTmpBuf);

  1511.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1512.                     fUiServer.writeMsg(fTmpBuf);

  1513.                     fUiServer.flush();

  1514.                 }

  1515.             }

  1516.         }

  1517. 

  1518.         switch (fUiServer.getAndResetUiState())

  1519.         {

  1520.         case CarlaExternalUI::UiNone:

  1521.         case CarlaExternalUI::UiShow:

  1522.             break;

  1523.         case CarlaExternalUI::UiCrashed:

  1524.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1525.             break;

  1526.         case CarlaExternalUI::UiHide:

  1527.             pHost->ui_closed(pHost->handle);

  1528.             fUiServer.stop(2000);

  1529.             break;

  1530.         }

  1531.     }

  1532. 

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

  1534.     // Plugin state calls

  1535. 

  1536.     char* getState() const

  1537.     {

  1538.         MemoryOutputStream out;

  1539.         saveProjectInternal(out);

  1540.         return strdup(out.toString().toRawUTF8());

  1541.     }

  1542. 

  1543.     void setState(const char* const data)

  1544.     {

  1545.         fOptionsForced = true;

  1546.         const String state(data);

  1547.         XmlDocument xml(state);

  1548.         loadProjectInternal(xml);

  1549.     }

  1550. 

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

  1552. 

  1553. public:

  1554.     #define handlePtr ((CarlaEngineNative*)handle)

  1555. 

  1556.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1557.     {

  1558.         return new CarlaEngineNative(host, false);

  1559.     }

  1560. 

  1561.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1562.     {

  1563.         return new CarlaEngineNative(host, true);

  1564.     }

  1565. 

  1566.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1567.     {

  1568.         return new CarlaEngineNative(host, true, 16);

  1569.     }

  1570. 

  1571.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1572.     {

  1573.         return new CarlaEngineNative(host, true, 32);

  1574.     }

  1575. 

  1576.     static void _cleanup(NativePluginHandle handle)

  1577.     {

  1578.         delete handlePtr;

  1579.     }

  1580. 

  1581.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1582.     {

  1583.         return handlePtr->getParameterCount();

  1584.     }

  1585. 

  1586.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1587.     {

  1588.         return handlePtr->getParameterInfo(index);

  1589.     }

  1590. 

  1591.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1592.     {

  1593.         return handlePtr->getParameterValue(index);

  1594.     }

  1595. 

  1596.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1597.     {

  1598.         return handlePtr->getParameterText(index /*, value*/);

  1599.     }

  1600. 

  1601.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1602.     {

  1603.         return handlePtr->getMidiProgramCount();

  1604.     }

  1605. 

  1606.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1607.     {

  1608.         return handlePtr->getMidiProgramInfo(index);

  1609.     }

  1610. 

  1611.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1612.     {

  1613.         handlePtr->setParameterValue(index, value);

  1614.     }

  1615. 

  1616.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1617.     {

  1618.         handlePtr->setMidiProgram(channel, bank, program);

  1619.     }

  1620. 

  1621.     static void _ui_show(NativePluginHandle handle, bool show)

  1622.     {

  1623.         handlePtr->uiShow(show);

  1624.     }

  1625. 

  1626.     static void _ui_idle(NativePluginHandle handle)

  1627.     {

  1628.         handlePtr->uiIdle();

  1629.     }

  1630. 

  1631.     static void _activate(NativePluginHandle handle)

  1632.     {

  1633.         handlePtr->activate();

  1634.     }

  1635. 

  1636.     static void _deactivate(NativePluginHandle handle)

  1637.     {

  1638.         handlePtr->deactivate();

  1639.     }

  1640. 

  1641.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1642.     {

  1643.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1644.     }

  1645. 

  1646.     static char* _get_state(NativePluginHandle handle)

  1647.     {

  1648.         return handlePtr->getState();

  1649.     }

  1650. 

  1651.     static void _set_state(NativePluginHandle handle, const char* data)

  1652.     {

  1653.         handlePtr->setState(data);

  1654.     }

  1655. 

  1656.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1657.     {

  1658.         switch(opcode)

  1659.         {

  1660.         case NATIVE_PLUGIN_OPCODE_NULL:

  1661.             return 0;

  1662.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1663.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1664.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1665.             return 0;

  1666.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1667.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1668.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1669.             return 0;

  1670.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1671.             handlePtr->offlineModeChanged(value != 0);

  1672.             return 0;

  1673.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1674.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1675.             return 0;

  1676.         }

  1677. 

  1678.         return 0;

  1679. 

  1680.         // unused

  1681.         (void)index;

  1682.         (void)ptr;

  1683.     }

  1684. 

  1685.     // -------------------------------------------------------------------

  1686. 

  1687.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1688.     {

  1689.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1690.     }

  1691. 

  1692.     // -------------------------------------------------------------------

  1693. 

  1694.     #undef handlePtr

  1695. 

  1696. private:

  1697.     const NativeHostDescriptor* const pHost;

  1698. 

  1699.     const bool kIsPatchbay; // rack if false

  1700.     bool fIsActive, fIsRunning;

  1701.     CarlaEngineNativeUI fUiServer;

  1702. 

  1703.     bool fOptionsForced;

  1704.     char fTmpBuf[STR_MAX+1];

  1705. 

  1706.     CarlaPlugin* _getFirstPlugin() const noexcept

  1707.     {

  1708.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1709.             return nullptr;

  1710. 

  1711.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1712. 

  1713.         if (plugin == nullptr || ! plugin->isEnabled())

  1714.             return nullptr;

  1715. 

  1716.         return pData->plugins[0].plugin;

  1717.     }

  1718. 

  1719.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1720. };

  1721. 

  1722. // -----------------------------------------------------------------------

  1723. 

  1724. static const NativePluginDescriptor carlaRackDesc = {

  1725.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1726.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1727.                                                   |NATIVE_PLUGIN_HAS_UI

  1728.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1729.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1730.                                                   |NATIVE_PLUGIN_USES_STATE

  1731.                                                   |NATIVE_PLUGIN_USES_TIME),

  1732.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1733.     /* audioIns  */ 2,

  1734.     /* audioOuts */ 2,

  1735.     /* midiIns   */ 1,

  1736.     /* midiOuts  */ 1,

  1737.     /* paramIns  */ 0,

  1738.     /* paramOuts */ 0,

  1739.     /* name      */ "Carla-Rack",

  1740.     /* label     */ "carlarack",

  1741.     /* maker     */ "falkTX",

  1742.     /* copyright */ "GNU GPL v2+",

  1743.     CarlaEngineNative::_instantiateRack,

  1744.     CarlaEngineNative::_cleanup,

  1745.     CarlaEngineNative::_get_parameter_count,

  1746.     CarlaEngineNative::_get_parameter_info,

  1747.     CarlaEngineNative::_get_parameter_value,

  1748.     CarlaEngineNative::_get_parameter_text,

  1749.     CarlaEngineNative::_get_midi_program_count,

  1750.     CarlaEngineNative::_get_midi_program_info,

  1751.     CarlaEngineNative::_set_parameter_value,

  1752.     CarlaEngineNative::_set_midi_program,

  1753.     /* _set_custom_data        */ nullptr,

  1754.     CarlaEngineNative::_ui_show,

  1755.     CarlaEngineNative::_ui_idle,

  1756.     /* _ui_set_parameter_value */ nullptr,

  1757.     /* _ui_set_midi_program    */ nullptr,

  1758.     /* _ui_set_custom_data     */ nullptr,

  1759.     CarlaEngineNative::_activate,

  1760.     CarlaEngineNative::_deactivate,

  1761.     CarlaEngineNative::_process,

  1762.     CarlaEngineNative::_get_state,

  1763.     CarlaEngineNative::_set_state,

  1764.     CarlaEngineNative::_dispatcher

  1765. };

  1766. 

  1767. static const NativePluginDescriptor carlaPatchbayDesc = {

  1768.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1769.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1770.                                                   |NATIVE_PLUGIN_HAS_UI

  1771.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1772.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1773.                                                   |NATIVE_PLUGIN_USES_STATE

  1774.                                                   |NATIVE_PLUGIN_USES_TIME),

  1775.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1776.     /* audioIns  */ 2,

  1777.     /* audioOuts */ 2,

  1778.     /* midiIns   */ 1,

  1779.     /* midiOuts  */ 1,

  1780.     /* paramIns  */ 0,

  1781.     /* paramOuts */ 0,

  1782.     /* name      */ "Carla-Patchbay",

  1783.     /* label     */ "carlapatchbay",

  1784.     /* maker     */ "falkTX",

  1785.     /* copyright */ "GNU GPL v2+",

  1786.     CarlaEngineNative::_instantiatePatchbay,

  1787.     CarlaEngineNative::_cleanup,

  1788.     CarlaEngineNative::_get_parameter_count,

  1789.     CarlaEngineNative::_get_parameter_info,

  1790.     CarlaEngineNative::_get_parameter_value,

  1791.     CarlaEngineNative::_get_parameter_text,

  1792.     CarlaEngineNative::_get_midi_program_count,

  1793.     CarlaEngineNative::_get_midi_program_info,

  1794.     CarlaEngineNative::_set_parameter_value,

  1795.     CarlaEngineNative::_set_midi_program,

  1796.     /* _set_custom_data        */ nullptr,

  1797.     CarlaEngineNative::_ui_show,

  1798.     CarlaEngineNative::_ui_idle,

  1799.     /* _ui_set_parameter_value */ nullptr,

  1800.     /* _ui_set_midi_program    */ nullptr,

  1801.     /* _ui_set_custom_data     */ nullptr,

  1802.     CarlaEngineNative::_activate,

  1803.     CarlaEngineNative::_deactivate,

  1804.     CarlaEngineNative::_process,

  1805.     CarlaEngineNative::_get_state,

  1806.     CarlaEngineNative::_set_state,

  1807.     CarlaEngineNative::_dispatcher

  1808. };

  1809. 

  1810. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1811.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1812.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1813.                                                   |NATIVE_PLUGIN_HAS_UI

  1814.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1815.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1816.                                                   |NATIVE_PLUGIN_USES_STATE

  1817.                                                   |NATIVE_PLUGIN_USES_TIME),

  1818.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1819.     /* audioIns  */ 16,

  1820.     /* audioOuts */ 16,

  1821.     /* midiIns   */ 1,

  1822.     /* midiOuts  */ 1,

  1823.     /* paramIns  */ 0,

  1824.     /* paramOuts */ 0,

  1825.     /* name      */ "Carla-Patchbay (16chan)",

  1826.     /* label     */ "carlapatchbay16",

  1827.     /* maker     */ "falkTX",

  1828.     /* copyright */ "GNU GPL v2+",

  1829.     CarlaEngineNative::_instantiatePatchbay16,

  1830.     CarlaEngineNative::_cleanup,

  1831.     CarlaEngineNative::_get_parameter_count,

  1832.     CarlaEngineNative::_get_parameter_info,

  1833.     CarlaEngineNative::_get_parameter_value,

  1834.     CarlaEngineNative::_get_parameter_text,

  1835.     CarlaEngineNative::_get_midi_program_count,

  1836.     CarlaEngineNative::_get_midi_program_info,

  1837.     CarlaEngineNative::_set_parameter_value,

  1838.     CarlaEngineNative::_set_midi_program,

  1839.     /* _set_custom_data        */ nullptr,

  1840.     CarlaEngineNative::_ui_show,

  1841.     CarlaEngineNative::_ui_idle,

  1842.     /* _ui_set_parameter_value */ nullptr,

  1843.     /* _ui_set_midi_program    */ nullptr,

  1844.     /* _ui_set_custom_data     */ nullptr,

  1845.     CarlaEngineNative::_activate,

  1846.     CarlaEngineNative::_deactivate,

  1847.     CarlaEngineNative::_process,

  1848.     CarlaEngineNative::_get_state,

  1849.     CarlaEngineNative::_set_state,

  1850.     CarlaEngineNative::_dispatcher

  1851. };

  1852. 

  1853. static const NativePluginDescriptor carlaPatchbay32Desc = {

  1854.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1855.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1856.                                                   |NATIVE_PLUGIN_HAS_UI

  1857.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1858.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1859.                                                   |NATIVE_PLUGIN_USES_STATE

  1860.                                                   |NATIVE_PLUGIN_USES_TIME),

  1861.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1862.     /* audioIns  */ 32,

  1863.     /* audioOuts */ 32,

  1864.     /* midiIns   */ 1,

  1865.     /* midiOuts  */ 1,

  1866.     /* paramIns  */ 0,

  1867.     /* paramOuts */ 0,

  1868.     /* name      */ "Carla-Patchbay (32chan)",

  1869.     /* label     */ "carlapatchbay32",

  1870.     /* maker     */ "falkTX",

  1871.     /* copyright */ "GNU GPL v2+",

  1872.     CarlaEngineNative::_instantiatePatchbay32,

  1873.     CarlaEngineNative::_cleanup,

  1874.     CarlaEngineNative::_get_parameter_count,

  1875.     CarlaEngineNative::_get_parameter_info,

  1876.     CarlaEngineNative::_get_parameter_value,

  1877.     CarlaEngineNative::_get_parameter_text,

  1878.     CarlaEngineNative::_get_midi_program_count,

  1879.     CarlaEngineNative::_get_midi_program_info,

  1880.     CarlaEngineNative::_set_parameter_value,

  1881.     CarlaEngineNative::_set_midi_program,

  1882.     /* _set_custom_data        */ nullptr,

  1883.     CarlaEngineNative::_ui_show,

  1884.     CarlaEngineNative::_ui_idle,

  1885.     /* _ui_set_parameter_value */ nullptr,

  1886.     /* _ui_set_midi_program    */ nullptr,

  1887.     /* _ui_set_custom_data     */ nullptr,

  1888.     CarlaEngineNative::_activate,

  1889.     CarlaEngineNative::_deactivate,

  1890.     CarlaEngineNative::_process,

  1891.     CarlaEngineNative::_get_state,

  1892.     CarlaEngineNative::_set_state,

  1893.     CarlaEngineNative::_dispatcher

  1894. };

  1895. 

  1896. CARLA_BACKEND_END_NAMESPACE

  1897. 

  1898. // -----------------------------------------------------------------------

  1899. 

  1900. CARLA_EXPORT

  1901. void carla_register_native_plugin_carla();

  1902. 

  1903. void carla_register_native_plugin_carla()

  1904. {

  1905.     CARLA_BACKEND_USE_NAMESPACE;

  1906.     carla_register_native_plugin(&carlaRackDesc);

  1907.     carla_register_native_plugin(&carlaPatchbayDesc);

  1908.     carla_register_native_plugin(&carlaPatchbay16Desc);

  1909.     carla_register_native_plugin(&carlaPatchbay32Desc);

  1910. }

  1911. 

  1912. // -----------------------------------------------------------------------

  1913. 

  1914. CARLA_EXPORT

  1915. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1916. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1917. {

  1918.     // if this is called then we're running as special plugin

  1919.     gNeedsJuceHandling = true;

  1920. 

  1921.     CARLA_BACKEND_USE_NAMESPACE;

  1922.     return &carlaRackDesc;

  1923. }

  1924. 

  1925. CARLA_EXPORT

  1926. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1927. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1928. {

  1929.     // if this is called then we're running as special plugin

  1930.     gNeedsJuceHandling = true;

  1931. 

  1932.     CARLA_BACKEND_USE_NAMESPACE;

  1933.     return &carlaPatchbayDesc;

  1934. }

  1935. 

  1936. // -----------------------------------------------------------------------

  1937. // Extra stuff for linking purposes

  1938. 

  1939. #ifdef CARLA_PLUGIN_EXPORT

  1940. 

  1941. CARLA_BACKEND_START_NAMESPACE

  1942. 

  1943. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1944. 

  1945. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1946. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  1947. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  1948. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  1949. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  1950. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  1951. # else

  1952. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  1953. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  1954. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  1955. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  1956. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  1957. # endif

  1958. 

  1959. CARLA_BACKEND_END_NAMESPACE

  1960. 

  1961. #include "CarlaHostCommon.cpp"

  1962. #include "CarlaPluginUI.cpp"

  1963. #include "CarlaDssiUtils.cpp"

  1964. #include "CarlaPipeUtils.cpp"

  1965. #include "CarlaStateUtils.cpp"

  1966. #include "CarlaJuceEvents.cpp"

  1967. 

  1968. #endif

  1969. 

  1970. // -----------------------------------------------------------------------