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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. 

  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 inChan = 2, uint32_t outChan = 0)

  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.         if (outChan == 0)

  588.             outChan = inChan;

  589. 

  590.         // set-up engine

  591.         if (kIsPatchbay)

  592.         {

  593.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  594.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  595.             pData->options.forceStereo         = false;

  596.             pData->options.preferPluginBridges = false;

  597.             pData->options.preferUiBridges     = false;

  598.             init("Carla-Patchbay");

  599.             pData->graph.create(false, pData->sampleRate, pData->bufferSize, inChan, outChan);

  600.         }

  601.         else

  602.         {

  603.             CARLA_SAFE_ASSERT(inChan == 2);

  604.             CARLA_SAFE_ASSERT(outChan == 2);

  605.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  606.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  607.             pData->options.forceStereo         = true;

  608.             pData->options.preferPluginBridges = false;

  609.             pData->options.preferUiBridges     = false;

  610.             init("Carla-Rack");

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

  612.         }

  613. 

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

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

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

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

  618. 

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

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

  621. 

  622.         setCallback(_ui_server_callback, this);

  623.     }

  624. 

  625.     ~CarlaEngineNative() override

  626.     {

  627.         CARLA_SAFE_ASSERT(! fIsActive);

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

  629. 

  630.         pData->aboutToClose = true;

  631.         fIsRunning = false;

  632. 

  633.         removeAllPlugins();

  634.         //runPendingRtEvents();

  635.         close();

  636. 

  637.         pData->graph.destroy();

  638. 

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

  640.             juce::shutdownJuce_GUI();

  641. 

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

  643.     }

  644. 

  645. protected:

  646.     // -------------------------------------

  647.     // CarlaEngine virtual calls

  648. 

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

  650.     {

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

  652. 

  653.         fIsRunning = true;

  654. 

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

  656.         {

  657.             close();

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

  659.             return false;

  660.         }

  661. 

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

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

  664. 

  665.         return true;

  666.     }

  667. 

  668.     bool close() override

  669.     {

  670.         fIsRunning = false;

  671.         CarlaEngine::close();

  672.         return true;

  673.     }

  674. 

  675.     bool isRunning() const noexcept override

  676.     {

  677.         return fIsRunning;

  678.     }

  679. 

  680.     bool isOffline() const noexcept override

  681.     {

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

  683.     }

  684. 

  685.     EngineType getType() const noexcept override

  686.     {

  687.         return kEngineTypePlugin;

  688.     }

  689. 

  690.     const char* getCurrentDriverName() const noexcept override

  691.     {

  692.         return "Plugin";

  693.     }

  694. 

  695.     // -------------------------------------------------------------------

  696. 

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

  698.     {

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

  700.         {

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

  702.             return retName;

  703.         }

  704. 

  705.         return nullptr;

  706.     }

  707. 

  708.     // -------------------------------------------------------------------

  709. 

  710.     void bufferSizeChanged(const uint32_t newBufferSize)

  711.     {

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

  713.             return;

  714. 

  715.         {

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

  717. 

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

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

  720.             fUiServer.writeMsg(fTmpBuf);

  721.             fUiServer.flush();

  722.         }

  723. 

  724.         pData->bufferSize = newBufferSize;

  725.         CarlaEngine::bufferSizeChanged(newBufferSize);

  726.     }

  727. 

  728.     void sampleRateChanged(const double newSampleRate)

  729.     {

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

  731.             return;

  732. 

  733.         {

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

  735.             const ScopedLocale csl;

  736. 

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

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

  739.             fUiServer.writeMsg(fTmpBuf);

  740.             fUiServer.flush();

  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.getLock());

  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.         fUiServer.flush();

  804.     }

  805. 

  806.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  807.     {

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

  809.         const ScopedLocale csl;

  810. 

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

  812. 

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

  814.         {

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

  816.             fUiServer.writeMsg(fTmpBuf);

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

  818.             fUiServer.writeMsg(fTmpBuf);

  819.             fUiServer.flush();

  820.         }

  821. 

  822.         uint32_t ins, outs, count;

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

  824.         count = plugin->getParameterCount();

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

  826.         fUiServer.writeMsg(fTmpBuf);

  827. 

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

  829.         {

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

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

  832. 

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

  834.             fUiServer.writeMsg(fTmpBuf);

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

  836.             fUiServer.writeMsg(fTmpBuf);

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

  838.             fUiServer.writeAndFixMsg(fTmpBuf);

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

  840.             fUiServer.writeAndFixMsg(fTmpBuf);

  841. 

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

  843.             fUiServer.writeMsg(fTmpBuf);

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

  845.             fUiServer.writeMsg(fTmpBuf);

  846. 

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

  848.             fUiServer.writeMsg(fTmpBuf);

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

  850.             fUiServer.writeMsg(fTmpBuf);

  851.         }

  852. 

  853.         fUiServer.flush();

  854.     }

  855. 

  856.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  857.     {

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

  859. 

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

  861. 

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

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

  864.         fUiServer.writeMsg(fTmpBuf);

  865. 

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

  867.         {

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

  869.             fUiServer.writeMsg(fTmpBuf);

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

  871.             fUiServer.writeAndFixMsg(fTmpBuf);

  872.         }

  873. 

  874.         fUiServer.flush();

  875. 

  876.         count = plugin->getMidiProgramCount();

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

  878.         fUiServer.writeMsg(fTmpBuf);

  879. 

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

  881.         {

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

  883.             fUiServer.writeMsg(fTmpBuf);

  884. 

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

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

  887.             fUiServer.writeMsg(fTmpBuf);

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

  889.             fUiServer.writeAndFixMsg(fTmpBuf);

  890.         }

  891. 

  892.         fUiServer.flush();

  893.     }

  894. 

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

  896.     {

  897.         if (! fIsRunning)

  898.             return;

  899.         if (! fUiServer.isRunning())

  900.             return;

  901. 

  902.         CarlaPlugin* plugin;

  903. 

  904.         switch (action)

  905.         {

  906.         case ENGINE_CALLBACK_RELOAD_INFO:

  907.             plugin = getPlugin(pluginId);

  908. 

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

  910.             {

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

  912.                 uiServerSendPluginInfo(plugin);

  913.             }

  914.             break;

  915. 

  916.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  917.             plugin = getPlugin(pluginId);

  918. 

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

  920.             {

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

  922.                 uiServerSendPluginParameters(plugin);

  923.             }

  924.             break;

  925. 

  926.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  927.             plugin = getPlugin(pluginId);

  928. 

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

  930.             {

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

  932.                 uiServerSendPluginPrograms(plugin);

  933.             }

  934.             break;

  935. 

  936.         case ENGINE_CALLBACK_RELOAD_ALL:

  937.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  938.             plugin = getPlugin(pluginId);

  939. 

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

  941.             {

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

  943.                 uiServerSendPluginInfo(plugin);

  944.                 uiServerSendPluginParameters(plugin);

  945.                 uiServerSendPluginPrograms(plugin);

  946.             }

  947.             break;

  948. 

  949.         default:

  950.             break;

  951.         }

  952. 

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

  954.         const ScopedLocale csl;

  955. 

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

  957.         fUiServer.writeMsg(fTmpBuf);

  958. 

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

  960.         fUiServer.writeMsg(fTmpBuf);

  961. 

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

  963.         fUiServer.writeMsg(fTmpBuf);

  964. 

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

  966.         fUiServer.writeMsg(fTmpBuf);

  967. 

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

  969.         fUiServer.writeMsg(fTmpBuf);

  970. 

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

  972. 

  973.         fUiServer.flush();

  974.     }

  975. 

  976.     void uiServerInfo()

  977.     {

  978.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  980. 

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

  982. 

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

  984.         fUiServer.writeAndFixMsg(carla_get_complete_license_text());

  985. 

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

  987.         fUiServer.writeAndFixMsg(carla_get_juce_version());

  988. 

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

  990.         fUiServer.writeAndFixMsg(carla_get_supported_file_extensions());

  991. 

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

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

  994.         fUiServer.writeMsg(fTmpBuf);

  995. 

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

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

  998.         fUiServer.writeMsg(fTmpBuf);

  999. 

  1000.         const ScopedLocale csl;

  1001. 

  1002.         fUiServer.writeAndFixMsg("sample-rate");

  1003.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1004.         fUiServer.writeMsg(fTmpBuf);

  1005. 

  1006.         fUiServer.flush();

  1007.     }

  1008. 

  1009.     void uiServerOptions()

  1010.     {

  1011.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1012.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isRunning(),);

  1013. 

  1014.         const EngineOptions& options(pData->options);

  1015.         const CarlaMutexLocker cml(fUiServer.getLock());

  1016. 

  1017.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1018.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1019. 

  1020.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1021.         fUiServer.writeMsg(fTmpBuf);

  1022.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1023.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1024.         fUiServer.writeMsg(fTmpBuf);

  1025.         fUiServer.flush();

  1026. 

  1027.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1028.         fUiServer.writeMsg(fTmpBuf);

  1029.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1030.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1031.         fUiServer.writeMsg(fTmpBuf);

  1032.         fUiServer.flush();

  1033. 

  1034.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1035.         fUiServer.writeMsg(fTmpBuf);

  1036.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1037.         fUiServer.writeMsg(options.forceStereo ? "true\n" : "false\n");

  1038.         fUiServer.flush();

  1039. 

  1040.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1041.         fUiServer.writeMsg(fTmpBuf);

  1042.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1043.         fUiServer.writeMsg(options.preferPluginBridges ? "true\n" : "false\n");

  1044.         fUiServer.flush();

  1045. 

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

  1047.         fUiServer.writeMsg(fTmpBuf);

  1048.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1049.         fUiServer.writeMsg(options.preferUiBridges ? "true\n" : "false\n");

  1050.         fUiServer.flush();

  1051. 

  1052.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1053.         fUiServer.writeMsg(fTmpBuf);

  1054.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1055.         fUiServer.writeMsg(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1056.         fUiServer.flush();

  1057. 

  1058.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1059.         fUiServer.writeMsg(fTmpBuf);

  1060.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1061.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1062.         fUiServer.writeMsg(fTmpBuf);

  1063.         fUiServer.flush();

  1064. 

  1065.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1066.         fUiServer.writeMsg(fTmpBuf);

  1067.         fUiServer.writeMsg(optionsForcedStr, optionsForcedStrSize);

  1068.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1069.         fUiServer.writeMsg(fTmpBuf);

  1070.         fUiServer.flush();

  1071. 

  1072.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1073.         fUiServer.writeMsg(fTmpBuf);

  1074.         fUiServer.writeMsg("true\n", 5);

  1075.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1076.         fUiServer.writeMsg(fTmpBuf);

  1077.         fUiServer.flush();

  1078. 

  1079.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1080.         fUiServer.writeMsg(fTmpBuf);

  1081.         fUiServer.writeMsg("true\n", 5);

  1082.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1083.         fUiServer.writeMsg(fTmpBuf);

  1084.         fUiServer.flush();

  1085.     }

  1086. 

  1087.     // -------------------------------------------------------------------

  1088.     // Plugin parameter calls

  1089. 

  1090.     uint32_t getParameterCount() const

  1091.     {

  1092.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1093.             return plugin->getParameterCount();

  1094. 

  1095.         return 0;

  1096.     }

  1097. 

  1098.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1099.     {

  1100.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1101.         {

  1102.             if (index < plugin->getParameterCount())

  1103.             {

  1104.                 static NativeParameter param;

  1105.                 static char strBufName[STR_MAX+1];

  1106.                 static char strBufUnit[STR_MAX+1];

  1107. 

  1108.                 const ParameterData& paramData(plugin->getParameterData(index));

  1109.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1110. 

  1111.                 plugin->getParameterName(index, strBufName);

  1112.                 plugin->getParameterUnit(index, strBufUnit);

  1113. 

  1114.                 uint hints = 0x0;

  1115. 

  1116.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1117.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1118.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1119.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1120.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1121.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1122.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1123.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1124.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1125.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1126.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1127.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1128.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1129.                     hints |= NATIVE_PARAMETER_USES_CUSTOM_TEXT;

  1130. 

  1131.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1132.                 {

  1133.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1134.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1135.                     if (paramData.type == PARAMETER_OUTPUT)

  1136.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1137.                 }

  1138. 

  1139.                 param.hints = static_cast<NativeParameterHints>(hints);

  1140.                 param.name  = strBufName;

  1141.                 param.unit  = strBufUnit;

  1142.                 param.ranges.def = paramRanges.def;

  1143.                 param.ranges.min = paramRanges.min;

  1144.                 param.ranges.max = paramRanges.max;

  1145.                 param.ranges.step = paramRanges.step;

  1146.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1147.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1148.                 param.scalePointCount = 0; // TODO

  1149.                 param.scalePoints = nullptr;

  1150. 

  1151.                 return &param;

  1152.             }

  1153.         }

  1154. 

  1155.         return nullptr;

  1156.     }

  1157. 

  1158.     float getParameterValue(const uint32_t index) const

  1159.     {

  1160.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1161.         {

  1162.             if (index < plugin->getParameterCount())

  1163.                 return plugin->getParameterValue(index);

  1164.         }

  1165. 

  1166.         return 0.0f;

  1167.     }

  1168. 

  1169.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1170.     {

  1171.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1172.         {

  1173.             if (index < plugin->getParameterCount())

  1174.             {

  1175.                 static char strBuf[STR_MAX+1];

  1176.                 carla_zeroChar(strBuf, STR_MAX+1);

  1177. 

  1178.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1179. 

  1180.                 return strBuf;

  1181.             }

  1182.         }

  1183. 

  1184.         return nullptr;

  1185.     }

  1186. 

  1187.     // -------------------------------------------------------------------

  1188.     // Plugin midi-program calls

  1189. 

  1190.     uint32_t getMidiProgramCount() const

  1191.     {

  1192.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1193.             return plugin->getMidiProgramCount();

  1194. 

  1195.         return 0;

  1196.     }

  1197. 

  1198.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1199.     {

  1200.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1201.         {

  1202.             if (index < plugin->getMidiProgramCount())

  1203.             {

  1204.                 static NativeMidiProgram midiProg;

  1205. 

  1206.                 {

  1207.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1208. 

  1209.                     midiProg.bank    = midiProgData.bank;

  1210.                     midiProg.program = midiProgData.program;

  1211.                     midiProg.name    = midiProgData.name;

  1212.                 }

  1213. 

  1214.                 return &midiProg;

  1215.             }

  1216.         }

  1217. 

  1218.         return nullptr;

  1219.     }

  1220. 

  1221.     // -------------------------------------------------------------------

  1222.     // Plugin state calls

  1223. 

  1224.     void setParameterValue(const uint32_t index, const float value)

  1225.     {

  1226.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1227.         {

  1228.             if (index < plugin->getParameterCount())

  1229.                 plugin->setParameterValue(index, value, false, false, false);

  1230.         }

  1231.     }

  1232. 

  1233.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1234.     {

  1235.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1236.             plugin->setMidiProgramById(bank, program, false, false, false);

  1237.     }

  1238. 

  1239.     // -------------------------------------------------------------------

  1240.     // Plugin process calls

  1241. 

  1242.     void activate()

  1243.     {

  1244. #if 0

  1245.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1246.         {

  1247.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1248. 

  1249.             if (plugin == nullptr || ! plugin->isEnabled())

  1250.                 continue;

  1251. 

  1252.             plugin->setActive(true, true, false);

  1253.         }

  1254. #endif

  1255.         fIsActive = true;

  1256.     }

  1257. 

  1258.     void deactivate()

  1259.     {

  1260.         fIsActive = false;

  1261. #if 0

  1262.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1263.         {

  1264.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1265. 

  1266.             if (plugin == nullptr || ! plugin->isEnabled())

  1267.                 continue;

  1268. 

  1269.             plugin->setActive(false, true, false);

  1270.         }

  1271. #endif

  1272. 

  1273.         // just in case

  1274.         //runPendingRtEvents();

  1275.     }

  1276. 

  1277.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1278.     {

  1279.         const PendingRtEventsRunner prt(this);

  1280. 

  1281.         // ---------------------------------------------------------------

  1282.         // Time Info

  1283. 

  1284.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1285. 

  1286.         pData->timeInfo.playing = timeInfo->playing;

  1287.         pData->timeInfo.frame   = timeInfo->frame;

  1288.         pData->timeInfo.usecs   = timeInfo->usecs;

  1289.         pData->timeInfo.valid   = 0x0;

  1290. 

  1291.         if (timeInfo->bbt.valid)

  1292.         {

  1293.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1294. 

  1295.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

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

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

  1298.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1299. 

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

  1301.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1302. 

  1303.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1304.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1305.         }

  1306. 

  1307.         // ---------------------------------------------------------------

  1308.         // Do nothing if no plugins and rack mode

  1309. 

  1310.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1311.         {

  1312.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1313.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1314.             return;

  1315.         }

  1316. 

  1317.         // ---------------------------------------------------------------

  1318.         // initialize events

  1319. 

  1320.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1321.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1322. 

  1323.         // ---------------------------------------------------------------

  1324.         // events input (before processing)

  1325. 

  1326.         {

  1327.             uint32_t engineEventIndex = 0;

  1328. 

  1329.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1330.             {

  1331.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1332.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1333. 

  1334.                 engineEvent.time = midiEvent.time;

  1335.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1336. 

  1337.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1338.                     break;

  1339.             }

  1340.         }

  1341. 

  1342.         if (kIsPatchbay)

  1343.         {

  1344.             // -----------------------------------------------------------

  1345.             // process

  1346. 

  1347.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1348.         }

  1349.         else

  1350.         {

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

  1352.             // create audio buffers

  1353. 

  1354.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1355.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1356. 

  1357.             // -----------------------------------------------------------

  1358.             // process

  1359. 

  1360.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1361.         }

  1362. 

  1363.         // ---------------------------------------------------------------

  1364.         // events output (after processing)

  1365. 

  1366.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1367. 

  1368.         {

  1369.             NativeMidiEvent midiEvent;

  1370. 

  1371.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1372.             {

  1373.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1374. 

  1375.                 if (engineEvent.type == kEngineEventTypeNull)

  1376.                     break;

  1377. 

  1378.                 midiEvent.time = engineEvent.time;

  1379. 

  1380.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1381.                 {

  1382.                     midiEvent.port = 0;

  1383.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1384.                 }

  1385.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1386.                 {

  1387.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1388.                         continue;

  1389. 

  1390.                     midiEvent.port = engineEvent.midi.port;

  1391.                     midiEvent.size = engineEvent.midi.size;

  1392. 

  1393.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1394. 

  1395.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1396.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1397.                 }

  1398.                 else

  1399.                 {

  1400.                     carla_stderr("Unknown event type...");

  1401.                     continue;

  1402.                 }

  1403. 

  1404.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1405.             }

  1406.         }

  1407.     }

  1408. 

  1409.     // -------------------------------------------------------------------

  1410.     // Plugin UI calls

  1411. 

  1412.     void uiShow(const bool show)

  1413.     {

  1414.         if (show)

  1415.         {

  1416.             if (fUiServer.isRunning())

  1417.             {

  1418.                 fUiServer.writeMsg("focus\n", 6);

  1419.                 fUiServer.flush();

  1420.                 return;

  1421.             }

  1422. 

  1423.             CarlaString path(pHost->resourceDir);

  1424. 

  1425.             if (kIsPatchbay)

  1426.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1427.             else

  1428.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1429. #ifdef CARLA_OS_WIN

  1430.             path += ".exe";

  1431. #endif

  1432.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1433. 

  1434.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1435.             fUiServer.start(false);

  1436. 

  1437.             uiServerInfo();

  1438.             uiServerOptions();

  1439.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1440. 

  1441.             fUiServer.show();

  1442. 

  1443.             for (uint i=0; i < pData->curPluginCount; ++i)

  1444.             {

  1445.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1446. 

  1447.                 if (plugin != nullptr && plugin->isEnabled())

  1448.                 {

  1449.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1450.                 }

  1451.             }

  1452. 

  1453.             if (kIsPatchbay)

  1454.                 patchbayRefresh(false);

  1455.         }

  1456.         else

  1457.         {

  1458.             fUiServer.stop(5000);

  1459.         }

  1460.     }

  1461. 

  1462.     void uiIdle()

  1463.     {

  1464.         CarlaEngine::idle();

  1465.         fUiServer.idle();

  1466. 

  1467.         if (fUiServer.isRunning())

  1468.         {

  1469.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1470.             const CarlaMutexLocker cml(fUiServer.getLock());

  1471.             const ScopedLocale csl;

  1472. 

  1473. #ifndef CARLA_OS_WIN // FIXME

  1474.             // send transport

  1475.             fUiServer.writeAndFixMsg("transport");

  1476.             fUiServer.writeMsg(timeInfo.playing ? "true\n" : "false\n");

  1477. 

  1478.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1479.             {

  1480.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1481.                 fUiServer.writeMsg(fTmpBuf);

  1482.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1483.                 fUiServer.writeMsg(fTmpBuf);

  1484.             }

  1485.             else

  1486.             {

  1487.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1488.                 fUiServer.writeMsg(fTmpBuf);

  1489.                 fUiServer.writeMsg("0.0\n");

  1490.             }

  1491. 

  1492.             fUiServer.flush();

  1493. #endif

  1494. 

  1495.             // send peaks and param outputs for all plugins

  1496.             for (uint i=0; i < pData->curPluginCount; ++i)

  1497.             {

  1498.                 const EnginePluginData& plugData(pData->plugins[i]);

  1499.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1500. 

  1501.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1502.                 fUiServer.writeMsg(fTmpBuf);

  1503. 

  1504.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1505.                 fUiServer.writeMsg(fTmpBuf);

  1506.                 fUiServer.flush();

  1507. 

  1508.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1509.                 {

  1510.                     if (! plugin->isParameterOutput(j))

  1511.                         continue;

  1512. 

  1513.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1514.                     fUiServer.writeMsg(fTmpBuf);

  1515.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1516.                     fUiServer.writeMsg(fTmpBuf);

  1517.                     fUiServer.flush();

  1518.                 }

  1519.             }

  1520.         }

  1521. 

  1522.         switch (fUiServer.getAndResetUiState())

  1523.         {

  1524.         case CarlaExternalUI::UiNone:

  1525.         case CarlaExternalUI::UiShow:

  1526.             break;

  1527.         case CarlaExternalUI::UiCrashed:

  1528.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1529.             break;

  1530.         case CarlaExternalUI::UiHide:

  1531.             pHost->ui_closed(pHost->handle);

  1532.             fUiServer.stop(2000);

  1533.             break;

  1534.         }

  1535.     }

  1536. 

  1537.     // -------------------------------------------------------------------

  1538.     // Plugin state calls

  1539. 

  1540.     char* getState() const

  1541.     {

  1542.         MemoryOutputStream out;

  1543.         saveProjectInternal(out);

  1544.         return strdup(out.toString().toRawUTF8());

  1545.     }

  1546. 

  1547.     void setState(const char* const data)

  1548.     {

  1549.         fOptionsForced = true;

  1550.         const String state(data);

  1551.         XmlDocument xml(state);

  1552.         loadProjectInternal(xml);

  1553.     }

  1554. 

  1555.     // -------------------------------------------------------------------

  1556. 

  1557. public:

  1558.     #define handlePtr ((CarlaEngineNative*)handle)

  1559. 

  1560.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1561.     {

  1562.         return new CarlaEngineNative(host, false);

  1563.     }

  1564. 

  1565.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1566.     {

  1567.         return new CarlaEngineNative(host, true);

  1568.     }

  1569. 

  1570.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1571.     {

  1572.         return new CarlaEngineNative(host, true, 3, 2);

  1573.     }

  1574. 

  1575.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1576.     {

  1577.         return new CarlaEngineNative(host, true, 16);

  1578.     }

  1579. 

  1580.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1581.     {

  1582.         return new CarlaEngineNative(host, true, 32);

  1583.     }

  1584. 

  1585.     static void _cleanup(NativePluginHandle handle)

  1586.     {

  1587.         delete handlePtr;

  1588.     }

  1589. 

  1590.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1591.     {

  1592.         return handlePtr->getParameterCount();

  1593.     }

  1594. 

  1595.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1596.     {

  1597.         return handlePtr->getParameterInfo(index);

  1598.     }

  1599. 

  1600.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1601.     {

  1602.         return handlePtr->getParameterValue(index);

  1603.     }

  1604. 

  1605.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1606.     {

  1607.         return handlePtr->getParameterText(index /*, value*/);

  1608.     }

  1609. 

  1610.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1611.     {

  1612.         return handlePtr->getMidiProgramCount();

  1613.     }

  1614. 

  1615.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1616.     {

  1617.         return handlePtr->getMidiProgramInfo(index);

  1618.     }

  1619. 

  1620.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1621.     {

  1622.         handlePtr->setParameterValue(index, value);

  1623.     }

  1624. 

  1625.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1626.     {

  1627.         handlePtr->setMidiProgram(channel, bank, program);

  1628.     }

  1629. 

  1630.     static void _ui_show(NativePluginHandle handle, bool show)

  1631.     {

  1632.         handlePtr->uiShow(show);

  1633.     }

  1634. 

  1635.     static void _ui_idle(NativePluginHandle handle)

  1636.     {

  1637.         handlePtr->uiIdle();

  1638.     }

  1639. 

  1640.     static void _activate(NativePluginHandle handle)

  1641.     {

  1642.         handlePtr->activate();

  1643.     }

  1644. 

  1645.     static void _deactivate(NativePluginHandle handle)

  1646.     {

  1647.         handlePtr->deactivate();

  1648.     }

  1649. 

  1650.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1651.     {

  1652.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1653.     }

  1654. 

  1655.     static char* _get_state(NativePluginHandle handle)

  1656.     {

  1657.         return handlePtr->getState();

  1658.     }

  1659. 

  1660.     static void _set_state(NativePluginHandle handle, const char* data)

  1661.     {

  1662.         handlePtr->setState(data);

  1663.     }

  1664. 

  1665.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1666.     {

  1667.         switch(opcode)

  1668.         {

  1669.         case NATIVE_PLUGIN_OPCODE_NULL:

  1670.             return 0;

  1671.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1672.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1673.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1674.             return 0;

  1675.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1676.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1677.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1678.             return 0;

  1679.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1680.             handlePtr->offlineModeChanged(value != 0);

  1681.             return 0;

  1682.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1683.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1684.             return 0;

  1685.         }

  1686. 

  1687.         return 0;

  1688. 

  1689.         // unused

  1690.         (void)index;

  1691.         (void)ptr;

  1692.     }

  1693. 

  1694.     // -------------------------------------------------------------------

  1695. 

  1696.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1697.     {

  1698.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1699.     }

  1700. 

  1701.     // -------------------------------------------------------------------

  1702. 

  1703.     #undef handlePtr

  1704. 

  1705. private:

  1706.     const NativeHostDescriptor* const pHost;

  1707. 

  1708.     const bool kIsPatchbay; // rack if false

  1709.     bool fIsActive, fIsRunning;

  1710.     CarlaEngineNativeUI fUiServer;

  1711. 

  1712.     bool fOptionsForced;

  1713.     char fTmpBuf[STR_MAX+1];

  1714. 

  1715.     CarlaPlugin* _getFirstPlugin() const noexcept

  1716.     {

  1717.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1718.             return nullptr;

  1719. 

  1720.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1721. 

  1722.         if (plugin == nullptr || ! plugin->isEnabled())

  1723.             return nullptr;

  1724. 

  1725.         return pData->plugins[0].plugin;

  1726.     }

  1727. 

  1728.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1729. };

  1730. 

  1731. // -----------------------------------------------------------------------

  1732. 

  1733. static const NativePluginDescriptor carlaRackDesc = {

  1734.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1735.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1736.                                                   |NATIVE_PLUGIN_HAS_UI

  1737.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1738.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1739.                                                   |NATIVE_PLUGIN_USES_STATE

  1740.                                                   |NATIVE_PLUGIN_USES_TIME),

  1741.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1742.     /* audioIns  */ 2,

  1743.     /* audioOuts */ 2,

  1744.     /* midiIns   */ 1,

  1745.     /* midiOuts  */ 1,

  1746.     /* paramIns  */ 0,

  1747.     /* paramOuts */ 0,

  1748.     /* name      */ "Carla-Rack",

  1749.     /* label     */ "carlarack",

  1750.     /* maker     */ "falkTX",

  1751.     /* copyright */ "GNU GPL v2+",

  1752.     CarlaEngineNative::_instantiateRack,

  1753.     CarlaEngineNative::_cleanup,

  1754.     CarlaEngineNative::_get_parameter_count,

  1755.     CarlaEngineNative::_get_parameter_info,

  1756.     CarlaEngineNative::_get_parameter_value,

  1757.     CarlaEngineNative::_get_parameter_text,

  1758.     CarlaEngineNative::_get_midi_program_count,

  1759.     CarlaEngineNative::_get_midi_program_info,

  1760.     CarlaEngineNative::_set_parameter_value,

  1761.     CarlaEngineNative::_set_midi_program,

  1762.     /* _set_custom_data        */ nullptr,

  1763.     CarlaEngineNative::_ui_show,

  1764.     CarlaEngineNative::_ui_idle,

  1765.     /* _ui_set_parameter_value */ nullptr,

  1766.     /* _ui_set_midi_program    */ nullptr,

  1767.     /* _ui_set_custom_data     */ nullptr,

  1768.     CarlaEngineNative::_activate,

  1769.     CarlaEngineNative::_deactivate,

  1770.     CarlaEngineNative::_process,

  1771.     CarlaEngineNative::_get_state,

  1772.     CarlaEngineNative::_set_state,

  1773.     CarlaEngineNative::_dispatcher

  1774. };

  1775. 

  1776. static const NativePluginDescriptor carlaPatchbayDesc = {

  1777.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1778.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1779.                                                   |NATIVE_PLUGIN_HAS_UI

  1780.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1781.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1782.                                                   |NATIVE_PLUGIN_USES_STATE

  1783.                                                   |NATIVE_PLUGIN_USES_TIME),

  1784.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1785.     /* audioIns  */ 2,

  1786.     /* audioOuts */ 2,

  1787.     /* midiIns   */ 1,

  1788.     /* midiOuts  */ 1,

  1789.     /* paramIns  */ 0,

  1790.     /* paramOuts */ 0,

  1791.     /* name      */ "Carla-Patchbay",

  1792.     /* label     */ "carlapatchbay",

  1793.     /* maker     */ "falkTX",

  1794.     /* copyright */ "GNU GPL v2+",

  1795.     CarlaEngineNative::_instantiatePatchbay,

  1796.     CarlaEngineNative::_cleanup,

  1797.     CarlaEngineNative::_get_parameter_count,

  1798.     CarlaEngineNative::_get_parameter_info,

  1799.     CarlaEngineNative::_get_parameter_value,

  1800.     CarlaEngineNative::_get_parameter_text,

  1801.     CarlaEngineNative::_get_midi_program_count,

  1802.     CarlaEngineNative::_get_midi_program_info,

  1803.     CarlaEngineNative::_set_parameter_value,

  1804.     CarlaEngineNative::_set_midi_program,

  1805.     /* _set_custom_data        */ nullptr,

  1806.     CarlaEngineNative::_ui_show,

  1807.     CarlaEngineNative::_ui_idle,

  1808.     /* _ui_set_parameter_value */ nullptr,

  1809.     /* _ui_set_midi_program    */ nullptr,

  1810.     /* _ui_set_custom_data     */ nullptr,

  1811.     CarlaEngineNative::_activate,

  1812.     CarlaEngineNative::_deactivate,

  1813.     CarlaEngineNative::_process,

  1814.     CarlaEngineNative::_get_state,

  1815.     CarlaEngineNative::_set_state,

  1816.     CarlaEngineNative::_dispatcher

  1817. };

  1818. 

  1819. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1820.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1821.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1822.                                                   |NATIVE_PLUGIN_HAS_UI

  1823.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1824.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1825.                                                   |NATIVE_PLUGIN_USES_STATE

  1826.                                                   |NATIVE_PLUGIN_USES_TIME),

  1827.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1828.     /* audioIns  */ 3,

  1829.     /* audioOuts */ 2,

  1830.     /* midiIns   */ 1,

  1831.     /* midiOuts  */ 1,

  1832.     /* paramIns  */ 0,

  1833.     /* paramOuts */ 0,

  1834.     /* name      */ "Carla-Patchbay (sidechain)",

  1835.     /* label     */ "carlapatchbay3s",

  1836.     /* maker     */ "falkTX",

  1837.     /* copyright */ "GNU GPL v2+",

  1838.     CarlaEngineNative::_instantiatePatchbay3s,

  1839.     CarlaEngineNative::_cleanup,

  1840.     CarlaEngineNative::_get_parameter_count,

  1841.     CarlaEngineNative::_get_parameter_info,

  1842.     CarlaEngineNative::_get_parameter_value,

  1843.     CarlaEngineNative::_get_parameter_text,

  1844.     CarlaEngineNative::_get_midi_program_count,

  1845.     CarlaEngineNative::_get_midi_program_info,

  1846.     CarlaEngineNative::_set_parameter_value,

  1847.     CarlaEngineNative::_set_midi_program,

  1848.     /* _set_custom_data        */ nullptr,

  1849.     CarlaEngineNative::_ui_show,

  1850.     CarlaEngineNative::_ui_idle,

  1851.     /* _ui_set_parameter_value */ nullptr,

  1852.     /* _ui_set_midi_program    */ nullptr,

  1853.     /* _ui_set_custom_data     */ nullptr,

  1854.     CarlaEngineNative::_activate,

  1855.     CarlaEngineNative::_deactivate,

  1856.     CarlaEngineNative::_process,

  1857.     CarlaEngineNative::_get_state,

  1858.     CarlaEngineNative::_set_state,

  1859.     CarlaEngineNative::_dispatcher

  1860. };

  1861. 

  1862. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1863.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1864.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1865.                                                   |NATIVE_PLUGIN_HAS_UI

  1866.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1867.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1868.                                                   |NATIVE_PLUGIN_USES_STATE

  1869.                                                   |NATIVE_PLUGIN_USES_TIME),

  1870.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1871.     /* audioIns  */ 16,

  1872.     /* audioOuts */ 16,

  1873.     /* midiIns   */ 1,

  1874.     /* midiOuts  */ 1,

  1875.     /* paramIns  */ 0,

  1876.     /* paramOuts */ 0,

  1877.     /* name      */ "Carla-Patchbay (16chan)",

  1878.     /* label     */ "carlapatchbay16",

  1879.     /* maker     */ "falkTX",

  1880.     /* copyright */ "GNU GPL v2+",

  1881.     CarlaEngineNative::_instantiatePatchbay16,

  1882.     CarlaEngineNative::_cleanup,

  1883.     CarlaEngineNative::_get_parameter_count,

  1884.     CarlaEngineNative::_get_parameter_info,

  1885.     CarlaEngineNative::_get_parameter_value,

  1886.     CarlaEngineNative::_get_parameter_text,

  1887.     CarlaEngineNative::_get_midi_program_count,

  1888.     CarlaEngineNative::_get_midi_program_info,

  1889.     CarlaEngineNative::_set_parameter_value,

  1890.     CarlaEngineNative::_set_midi_program,

  1891.     /* _set_custom_data        */ nullptr,

  1892.     CarlaEngineNative::_ui_show,

  1893.     CarlaEngineNative::_ui_idle,

  1894.     /* _ui_set_parameter_value */ nullptr,

  1895.     /* _ui_set_midi_program    */ nullptr,

  1896.     /* _ui_set_custom_data     */ nullptr,

  1897.     CarlaEngineNative::_activate,

  1898.     CarlaEngineNative::_deactivate,

  1899.     CarlaEngineNative::_process,

  1900.     CarlaEngineNative::_get_state,

  1901.     CarlaEngineNative::_set_state,

  1902.     CarlaEngineNative::_dispatcher

  1903. };

  1904. 

  1905. static const NativePluginDescriptor carlaPatchbay32Desc = {

  1906.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1907.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1908.                                                   |NATIVE_PLUGIN_HAS_UI

  1909.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1910.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1911.                                                   |NATIVE_PLUGIN_USES_STATE

  1912.                                                   |NATIVE_PLUGIN_USES_TIME),

  1913.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1914.     /* audioIns  */ 32,

  1915.     /* audioOuts */ 32,

  1916.     /* midiIns   */ 1,

  1917.     /* midiOuts  */ 1,

  1918.     /* paramIns  */ 0,

  1919.     /* paramOuts */ 0,

  1920.     /* name      */ "Carla-Patchbay (32chan)",

  1921.     /* label     */ "carlapatchbay32",

  1922.     /* maker     */ "falkTX",

  1923.     /* copyright */ "GNU GPL v2+",

  1924.     CarlaEngineNative::_instantiatePatchbay32,

  1925.     CarlaEngineNative::_cleanup,

  1926.     CarlaEngineNative::_get_parameter_count,

  1927.     CarlaEngineNative::_get_parameter_info,

  1928.     CarlaEngineNative::_get_parameter_value,

  1929.     CarlaEngineNative::_get_parameter_text,

  1930.     CarlaEngineNative::_get_midi_program_count,

  1931.     CarlaEngineNative::_get_midi_program_info,

  1932.     CarlaEngineNative::_set_parameter_value,

  1933.     CarlaEngineNative::_set_midi_program,

  1934.     /* _set_custom_data        */ nullptr,

  1935.     CarlaEngineNative::_ui_show,

  1936.     CarlaEngineNative::_ui_idle,

  1937.     /* _ui_set_parameter_value */ nullptr,

  1938.     /* _ui_set_midi_program    */ nullptr,

  1939.     /* _ui_set_custom_data     */ nullptr,

  1940.     CarlaEngineNative::_activate,

  1941.     CarlaEngineNative::_deactivate,

  1942.     CarlaEngineNative::_process,

  1943.     CarlaEngineNative::_get_state,

  1944.     CarlaEngineNative::_set_state,

  1945.     CarlaEngineNative::_dispatcher

  1946. };

  1947. 

  1948. CARLA_BACKEND_END_NAMESPACE

  1949. 

  1950. // -----------------------------------------------------------------------

  1951. 

  1952. CARLA_EXPORT

  1953. void carla_register_native_plugin_carla();

  1954. 

  1955. void carla_register_native_plugin_carla()

  1956. {

  1957.     CARLA_BACKEND_USE_NAMESPACE;

  1958.     carla_register_native_plugin(&carlaRackDesc);

  1959.     carla_register_native_plugin(&carlaPatchbayDesc);

  1960.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  1961.     carla_register_native_plugin(&carlaPatchbay16Desc);

  1962.     carla_register_native_plugin(&carlaPatchbay32Desc);

  1963. }

  1964. 

  1965. // -----------------------------------------------------------------------

  1966. 

  1967. CARLA_EXPORT

  1968. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1969. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1970. {

  1971.     // if this is called then we're running as special plugin

  1972.     gNeedsJuceHandling = true;

  1973. 

  1974.     CARLA_BACKEND_USE_NAMESPACE;

  1975.     return &carlaRackDesc;

  1976. }

  1977. 

  1978. CARLA_EXPORT

  1979. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1980. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1981. {

  1982.     // if this is called then we're running as special plugin

  1983.     gNeedsJuceHandling = true;

  1984. 

  1985.     CARLA_BACKEND_USE_NAMESPACE;

  1986.     return &carlaPatchbayDesc;

  1987. }

  1988. 

  1989. // -----------------------------------------------------------------------

  1990. // Extra stuff for linking purposes

  1991. 

  1992. #ifdef CARLA_PLUGIN_EXPORT

  1993. 

  1994. CARLA_BACKEND_START_NAMESPACE

  1995. 

  1996. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  1997. 

  1998. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  1999. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2000. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2001. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2002. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2003. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2004. # else

  2005. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2006. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2007. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2008. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2009. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2010. # endif

  2011. 

  2012. CARLA_BACKEND_END_NAMESPACE

  2013. 

  2014. #include "CarlaHostCommon.cpp"

  2015. #include "CarlaPluginUI.cpp"

  2016. #include "CarlaDssiUtils.cpp"

  2017. #include "CarlaPipeUtils.cpp"

  2018. #include "CarlaStateUtils.cpp"

  2019. #include "CarlaJuceEvents.cpp"

  2020. 

  2021. #endif

  2022. 

  2023. // -----------------------------------------------------------------------