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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 "CarlaHost.h"

  35. #include "CarlaNative.hpp"

  36. 

  37. #include "juce_audio_basics.h"

  38. 

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

  40. # include "juce_gui_basics.h"

  41. #else

  42. namespace juce {

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

  44. } // namespace juce

  45. #endif

  46. 

  47. using juce::File;

  48. using juce::FloatVectorOperations;

  49. using juce::MemoryOutputStream;

  50. using juce::ScopedPointer;

  51. using juce::String;

  52. using juce::XmlDocument;

  53. using juce::XmlElement;

  54. 

  55. static bool gNeedsJuceHandling = false;

  56. static int  gJuceReferenceCounter = 0;

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

  60. // -----------------------------------------------------------------------

  61. 

  62. class CarlaEngineNativeUI : public CarlaExternalUI

  63. {

  64. public:

  65.     CarlaEngineNativeUI(CarlaEngine* const engine)

  66.         : fEngine(engine),

  67.           leakDetector_CarlaEngineNativeUI()

  68.     {

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

  70.     }

  71. 

  72.     ~CarlaEngineNativeUI() noexcept override

  73.     {

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

  75.     }

  76. 

  77. protected:

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

  79.     {

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

  81.             return true;

  82. 

  83.         bool ok = true;

  84. 

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

  86.         {

  87.             uint32_t option;

  88.             int32_t value;

  89.             const char* valueStr = nullptr;

  90. 

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

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

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

  94. 

  95.             try {

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

  97.             } CARLA_SAFE_EXCEPTION("setOption");

  98. 

  99.             if (valueStr != nullptr)

  100.                 delete[] valueStr;

  101.         }

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

  103.         {

  104.             const char* filename;

  105. 

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

  107. 

  108.             try {

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

  110.             } CARLA_SAFE_EXCEPTION("loadFile");

  111. 

  112.             delete[] filename;

  113.         }

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

  115.         {

  116.             const char* filename;

  117. 

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

  119. 

  120.             try {

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

  122.             } CARLA_SAFE_EXCEPTION("loadProject");

  123. 

  124.             delete[] filename;

  125.         }

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

  127.         {

  128.             const char* filename;

  129. 

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

  131. 

  132.             try {

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

  134.             } CARLA_SAFE_EXCEPTION("saveProject");

  135. 

  136.             delete[] filename;

  137.         }

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

  139.         {

  140.             uint32_t groupA, portA, groupB, portB;

  141. 

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

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

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

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

  146. 

  147.             try {

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

  149.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  150.         }

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

  152.         {

  153.             uint32_t connectionId;

  154. 

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

  156. 

  157.             try {

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

  159.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  160.         }

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

  162.         {

  163.             try {

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

  165.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  166.         }

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

  168.         {

  169.             fEngine->transportPlay();

  170.         }

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

  172.         {

  173.             fEngine->transportPause();

  174.         }

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

  176.         {

  177.             uint64_t frame;

  178. 

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

  180. 

  181.             fEngine->transportRelocate(frame);

  182.         }

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

  184.         {

  185.             uint32_t btype, ptype;

  186.             const char* filename = nullptr;

  187.             const char* name;

  188.             const char* label;

  189.             int64_t uniqueId;

  190.             uint options;

  191. 

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

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

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

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

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

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

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

  199. 

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

  201.             {

  202.                 delete[] filename;

  203.                 filename = nullptr;

  204.             }

  205. 

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

  207.             {

  208.                 delete[] name;

  209.                 name = nullptr;

  210.             }

  211. 

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

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

  214. 

  215.             if (filename != nullptr)

  216.                 delete[] filename;

  217.             if (name != nullptr)

  218.                 delete[] name;

  219.             delete[] label;

  220.         }

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

  222.         {

  223.             uint32_t pluginId;

  224. 

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

  226. 

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

  228.         }

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

  230.         {

  231.             ok = fEngine->removeAllPlugins();

  232.         }

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

  234.         {

  235.             uint32_t pluginId;

  236.             const char* newName;

  237. 

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

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

  240. 

  241.             // TODO

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

  243. 

  244.             delete[] newName;

  245.         }

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

  247.         {

  248.             uint32_t pluginId;

  249. 

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

  251. 

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

  253.         }

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

  255.         {

  256.             uint32_t pluginId;

  257. 

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

  259. 

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

  261.         }

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

  263.         {

  264.             uint32_t pluginIdA, pluginIdB;

  265. 

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

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

  268. 

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

  270.         }

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

  272.         {

  273.             uint32_t pluginId;

  274.             const char* filename;

  275. 

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

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

  278. 

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

  280.                 plugin->loadStateFromFile(filename);

  281. 

  282.             delete[] filename;

  283.         }

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

  285.         {

  286.             uint32_t pluginId;

  287.             const char* filename;

  288. 

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

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

  291. 

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

  293.                 plugin->saveStateToFile(filename);

  294. 

  295.             delete[] filename;

  296.         }

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

  298.         {

  299.             uint32_t pluginId, option;

  300.             bool yesNo;

  301. 

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

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

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

  305. 

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

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

  308.         }

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

  310.         {

  311.             uint32_t pluginId;

  312.             bool onOff;

  313. 

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

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

  316. 

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

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

  319.         }

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

  321.         {

  322.             uint32_t pluginId;

  323.             float value;

  324. 

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

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

  327. 

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

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

  330.         }

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

  332.         {

  333.             uint32_t pluginId;

  334.             float value;

  335. 

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

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

  338. 

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

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

  341.         }

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

  343.         {

  344.             uint32_t pluginId;

  345.             float value;

  346. 

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

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

  349. 

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

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

  352.         }

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

  354.         {

  355.             uint32_t pluginId;

  356.             float value;

  357. 

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

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

  360. 

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

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

  363.         }

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

  365.         {

  366.             uint32_t pluginId;

  367.             float value;

  368. 

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

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

  371. 

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

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

  374.         }

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

  376.         {

  377.             uint32_t pluginId;

  378.             int32_t channel;

  379. 

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

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

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

  383. 

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

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

  386.         }

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

  388.         {

  389.             uint32_t pluginId, parameterId;

  390.             float value;

  391. 

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

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

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

  395. 

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

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

  398.         }

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

  400.         {

  401.             uint32_t pluginId, parameterId, channel;

  402. 

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

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

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

  406.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  407. 

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

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

  410.         }

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

  412.         {

  413.             uint32_t pluginId, parameterId;

  414.             int32_t cc;

  415. 

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

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

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

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

  420. 

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

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

  423.         }

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

  425.         {

  426.             uint32_t pluginId;

  427.             int32_t index;

  428. 

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

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

  431. 

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

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

  434.         }

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

  436.         {

  437.             uint32_t pluginId;

  438.             int32_t index;

  439. 

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

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

  442. 

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

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

  445.         }

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

  447.         {

  448.             uint32_t pluginId;

  449.             const char* type;

  450.             const char* key;

  451.             const char* value;

  452. 

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

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

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

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

  457. 

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

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

  460. 

  461.             delete[] type;

  462.             delete[] key;

  463.             delete[] value;

  464.         }

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

  466.         {

  467.             uint32_t pluginId;

  468.             const char* cdata;

  469. 

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

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

  472. 

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

  474.             {

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

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

  477.             }

  478. 

  479.             delete[] cdata;

  480.         }

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

  482.         {

  483.             uint32_t pluginId;

  484. 

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

  486. 

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

  488.                 plugin->prepareForSave();

  489.         }

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

  491.         {

  492.             uint32_t pluginId;

  493. 

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

  495. 

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

  497.                 plugin->resetParameters();

  498.         }

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

  500.         {

  501.             uint32_t pluginId;

  502. 

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

  504. 

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

  506.                 plugin->randomizeParameters();

  507.         }

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

  509.         {

  510.             uint32_t pluginId, channel, note, velocity;

  511. 

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

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

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

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

  516.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  517.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  518.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  519. 

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

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

  522.         }

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

  524.         {

  525.             uint32_t pluginId;

  526.             bool yesNo;

  527. 

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

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

  530. 

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

  532.                 plugin->showCustomUI(yesNo);

  533.         }

  534.         else

  535.         {

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

  537.             return false;

  538.         }

  539. 

  540.         if (! ok)

  541.         {

  542.             const CarlaMutexLocker cml(getPipeLock());

  543.             writeMessage("error\n", 6);

  544.             writeAndFixMessage(fEngine->getLastError());

  545.             flushMessages();

  546.         }

  547. 

  548.         return true;

  549.     }

  550. 

  551. private:

  552.     CarlaEngine* const fEngine;

  553. 

  554.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  555. };

  556. 

  557. // -----------------------------------------------------------------------

  558. 

  559. class CarlaEngineNative : public CarlaEngine

  560. {

  561. public:

  562.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay, const uint32_t inChan = 2, uint32_t outChan = 0)

  563.         : CarlaEngine(),

  564.           pHost(host),

  565.           kIsPatchbay(isPatchbay),

  566.           fIsActive(false),

  567.           fIsRunning(false),

  568.           fUiServer(this),

  569.           fOptionsForced(false),

  570.           leakDetector_CarlaEngineNative()

  571.     {

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

  573. 

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

  575. 

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

  577.             juce::initialiseJuce_GUI();

  578. 

  579.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  580. 

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

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

  583. 

  584.         if (outChan == 0)

  585.             outChan = inChan;

  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(inChan, outChan);

  597.         }

  598.         else

  599.         {

  600.             CARLA_SAFE_ASSERT(inChan == 2);

  601.             CARLA_SAFE_ASSERT(outChan == 2);

  602.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  603.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  604.             pData->options.forceStereo         = true;

  605.             pData->options.preferPluginBridges = false;

  606.             pData->options.preferUiBridges     = false;

  607.             init("Carla-Rack");

  608.             pData->graph.create(0, 0);

  609.         }

  610. 

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

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

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

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

  615. 

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

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

  618. 

  619.         setCallback(_ui_server_callback, this);

  620.     }

  621. 

  622.     ~CarlaEngineNative() override

  623.     {

  624.         CARLA_SAFE_ASSERT(! fIsActive);

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

  626. 

  627.         pData->aboutToClose = true;

  628.         fIsRunning = false;

  629. 

  630.         removeAllPlugins();

  631.         //runPendingRtEvents();

  632.         close();

  633. 

  634.         pData->graph.destroy();

  635. 

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

  637.             juce::shutdownJuce_GUI();

  638. 

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

  640.     }

  641. 

  642. protected:

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

  644.     // CarlaEngine virtual calls

  645. 

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

  647.     {

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

  649. 

  650.         fIsRunning = true;

  651. 

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

  653.         {

  654.             close();

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

  656.             return false;

  657.         }

  658. 

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

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

  661. 

  662.         return true;

  663.     }

  664. 

  665.     bool close() override

  666.     {

  667.         fIsRunning = false;

  668.         CarlaEngine::close();

  669.         return true;

  670.     }

  671. 

  672.     bool isRunning() const noexcept override

  673.     {

  674.         return fIsRunning;

  675.     }

  676. 

  677.     bool isOffline() const noexcept override

  678.     {

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

  680.     }

  681. 

  682.     EngineType getType() const noexcept override

  683.     {

  684.         return kEngineTypePlugin;

  685.     }

  686. 

  687.     const char* getCurrentDriverName() const noexcept override

  688.     {

  689.         return "Plugin";

  690.     }

  691. 

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

  693.     {

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

  695. 

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

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

  698.     }

  699. 

  700.     // -------------------------------------------------------------------

  701. 

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

  703.     {

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

  705.         {

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

  707.             return retName;

  708.         }

  709. 

  710.         return nullptr;

  711.     }

  712. 

  713.     // -------------------------------------------------------------------

  714. 

  715.     void bufferSizeChanged(const uint32_t newBufferSize)

  716.     {

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

  718.             return;

  719. 

  720.         {

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

  722. 

  723.             fUiServer.writeAndFixMessage("buffer-size");

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

  725.             fUiServer.writeMessage(fTmpBuf);

  726.             fUiServer.flushMessages();

  727.         }

  728. 

  729.         pData->bufferSize = newBufferSize;

  730.         CarlaEngine::bufferSizeChanged(newBufferSize);

  731.     }

  732. 

  733.     void sampleRateChanged(const double newSampleRate)

  734.     {

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

  736.             return;

  737. 

  738.         {

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

  740.             const ScopedLocale csl;

  741. 

  742.             fUiServer.writeAndFixMessage("sample-rate");

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

  744.             fUiServer.writeMessage(fTmpBuf);

  745.             fUiServer.flushMessages();

  746.         }

  747. 

  748.         pData->sampleRate = newSampleRate;

  749.         CarlaEngine::sampleRateChanged(newSampleRate);

  750.     }

  751. 

  752.     // -------------------------------------------------------------------

  753. 

  754.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  755.     {

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

  757. 

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

  759. 

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

  761.         fUiServer.writeMessage(fTmpBuf);

  762. 

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

  764.         fUiServer.writeMessage(fTmpBuf);

  765. 

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

  767.         {

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

  769.             fUiServer.writeAndFixMessage(fTmpBuf);

  770.         }

  771.         else

  772.             fUiServer.writeMessage("\n");

  773. 

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

  775.         {

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

  777.             fUiServer.writeAndFixMessage(fTmpBuf);

  778.         }

  779.         else

  780.             fUiServer.writeMessage("\n");

  781. 

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

  783.         {

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

  785.             fUiServer.writeAndFixMessage(fTmpBuf);

  786.         }

  787.         else

  788.             fUiServer.writeMessage("\n");

  789. 

  790.         plugin->getRealName(fTmpBuf);

  791.         fUiServer.writeAndFixMessage(fTmpBuf);

  792. 

  793.         plugin->getLabel(fTmpBuf);

  794.         fUiServer.writeAndFixMessage(fTmpBuf);

  795. 

  796.         plugin->getMaker(fTmpBuf);

  797.         fUiServer.writeAndFixMessage(fTmpBuf);

  798. 

  799.         plugin->getCopyright(fTmpBuf);

  800.         fUiServer.writeAndFixMessage(fTmpBuf);

  801. 

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

  803.         fUiServer.writeMessage(fTmpBuf);

  804. 

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

  806.         fUiServer.writeMessage(fTmpBuf);

  807. 

  808.         fUiServer.flushMessages();

  809.     }

  810. 

  811.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  812.     {

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

  814.         const ScopedLocale csl;

  815. 

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

  817. 

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

  819.         {

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

  821.             fUiServer.writeMessage(fTmpBuf);

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

  823.             fUiServer.writeMessage(fTmpBuf);

  824.             fUiServer.flushMessages();

  825.         }

  826. 

  827.         uint32_t ins, outs, count;

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

  829.         count = plugin->getParameterCount();

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

  831.         fUiServer.writeMessage(fTmpBuf);

  832. 

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

  834.         {

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

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

  837. 

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

  839.             fUiServer.writeMessage(fTmpBuf);

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

  841.             fUiServer.writeMessage(fTmpBuf);

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

  843.             fUiServer.writeAndFixMessage(fTmpBuf);

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

  845.             fUiServer.writeAndFixMessage(fTmpBuf);

  846. 

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

  848.             fUiServer.writeMessage(fTmpBuf);

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

  850.             fUiServer.writeMessage(fTmpBuf);

  851. 

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

  853.             fUiServer.writeMessage(fTmpBuf);

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

  855.             fUiServer.writeMessage(fTmpBuf);

  856.         }

  857. 

  858.         fUiServer.flushMessages();

  859.     }

  860. 

  861.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  862.     {

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

  864. 

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

  866. 

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

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

  869.         fUiServer.writeMessage(fTmpBuf);

  870. 

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

  872.         {

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

  874.             fUiServer.writeMessage(fTmpBuf);

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

  876.             fUiServer.writeAndFixMessage(fTmpBuf);

  877.         }

  878. 

  879.         fUiServer.flushMessages();

  880. 

  881.         count = plugin->getMidiProgramCount();

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

  883.         fUiServer.writeMessage(fTmpBuf);

  884. 

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

  886.         {

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

  888.             fUiServer.writeMessage(fTmpBuf);

  889. 

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

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

  892.             fUiServer.writeMessage(fTmpBuf);

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

  894.             fUiServer.writeAndFixMessage(fTmpBuf);

  895.         }

  896. 

  897.         fUiServer.flushMessages();

  898.     }

  899. 

  900.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  901.     {

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

  903. 

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

  905. 

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

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

  908.         fUiServer.writeMessage(fTmpBuf);

  909. 

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

  911.         {

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

  913.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  914. 

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

  916.                 continue;

  917. 

  918.             std::sprintf(fTmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  919.             fUiServer.writeMessage(fTmpBuf);

  920. 

  921.             fUiServer.writeAndFixMessage(customData.type);

  922.             fUiServer.writeAndFixMessage(customData.key);

  923.             fUiServer.writeAndFixMessage(customData.value);

  924.         }

  925. 

  926.         fUiServer.flushMessages();

  927.     }

  928. 

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

  930.     {

  931.         if (! fIsRunning)

  932.             return;

  933.         if (! fUiServer.isPipeRunning())

  934.             return;

  935. 

  936.         CarlaPlugin* plugin;

  937. 

  938.         switch (action)

  939.         {

  940.         case ENGINE_CALLBACK_UPDATE:

  941.             plugin = getPlugin(pluginId);

  942. 

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

  944.             {

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

  946.                 uiServerSendPluginProperties(plugin);

  947.             }

  948.             break;

  949. 

  950.         case ENGINE_CALLBACK_RELOAD_INFO:

  951.             plugin = getPlugin(pluginId);

  952. 

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

  954.             {

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

  956.                 uiServerSendPluginInfo(plugin);

  957.             }

  958.             break;

  959. 

  960.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  961.             plugin = getPlugin(pluginId);

  962. 

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

  964.             {

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

  966.                 uiServerSendPluginParameters(plugin);

  967.             }

  968.             break;

  969. 

  970.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  971.             plugin = getPlugin(pluginId);

  972. 

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

  974.             {

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

  976.                 uiServerSendPluginPrograms(plugin);

  977.             }

  978.             break;

  979. 

  980.         case ENGINE_CALLBACK_RELOAD_ALL:

  981.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  982.             plugin = getPlugin(pluginId);

  983. 

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

  985.             {

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

  987.                 uiServerSendPluginInfo(plugin);

  988.                 uiServerSendPluginParameters(plugin);

  989.                 uiServerSendPluginPrograms(plugin);

  990.                 uiServerSendPluginProperties(plugin);

  991.             }

  992.             break;

  993. 

  994.         default:

  995.             break;

  996.         }

  997. 

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

  999.         const ScopedLocale csl;

  1000. 

  1001.         std::sprintf(fTmpBuf, "ENGINE_CALLBACK_%i\n", int(action));

  1002.         fUiServer.writeMessage(fTmpBuf);

  1003. 

  1004.         std::sprintf(fTmpBuf, "%u\n", pluginId);

  1005.         fUiServer.writeMessage(fTmpBuf);

  1006. 

  1007.         std::sprintf(fTmpBuf, "%i\n", value1);

  1008.         fUiServer.writeMessage(fTmpBuf);

  1009. 

  1010.         std::sprintf(fTmpBuf, "%i\n", value2);

  1011.         fUiServer.writeMessage(fTmpBuf);

  1012. 

  1013.         std::sprintf(fTmpBuf, "%f\n", value3);

  1014.         fUiServer.writeMessage(fTmpBuf);

  1015. 

  1016.         fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : "");

  1017. 

  1018.         fUiServer.flushMessages();

  1019.     }

  1020. 

  1021.     void uiServerInfo()

  1022.     {

  1023.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1024.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1025. 

  1026.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1027. 

  1028. #ifdef HAVE_LIBLO

  1029.         fUiServer.writeAndFixMessage("osc-urls");

  1030.         fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP());

  1031.         fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP());

  1032. #endif

  1033. 

  1034.         fUiServer.writeAndFixMessage("max-plugin-number");

  1035.         std::sprintf(fTmpBuf, "%i\n", pData->maxPluginNumber);

  1036.         fUiServer.writeMessage(fTmpBuf);

  1037. 

  1038.         fUiServer.writeAndFixMessage("buffer-size");

  1039.         std::sprintf(fTmpBuf, "%i\n", pData->bufferSize);

  1040.         fUiServer.writeMessage(fTmpBuf);

  1041. 

  1042.         const ScopedLocale csl;

  1043. 

  1044.         fUiServer.writeAndFixMessage("sample-rate");

  1045.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1046.         fUiServer.writeMessage(fTmpBuf);

  1047. 

  1048.         fUiServer.flushMessages();

  1049.     }

  1050. 

  1051.     void uiServerOptions()

  1052.     {

  1053.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1054.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1055. 

  1056.         const EngineOptions& options(pData->options);

  1057.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1058. 

  1059.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1060.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1061. 

  1062.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  1063.         fUiServer.writeMessage(fTmpBuf);

  1064.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1065.         std::sprintf(fTmpBuf, "%i\n", options.processMode);

  1066.         fUiServer.writeMessage(fTmpBuf);

  1067.         fUiServer.flushMessages();

  1068. 

  1069.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  1070.         fUiServer.writeMessage(fTmpBuf);

  1071.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1072.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1073.         fUiServer.writeMessage(fTmpBuf);

  1074.         fUiServer.flushMessages();

  1075. 

  1076.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1077.         fUiServer.writeMessage(fTmpBuf);

  1078.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1079.         fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n");

  1080.         fUiServer.flushMessages();

  1081. 

  1082.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1083.         fUiServer.writeMessage(fTmpBuf);

  1084.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1085.         fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n");

  1086.         fUiServer.flushMessages();

  1087. 

  1088.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  1089.         fUiServer.writeMessage(fTmpBuf);

  1090.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1091.         fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n");

  1092.         fUiServer.flushMessages();

  1093. 

  1094.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1095.         fUiServer.writeMessage(fTmpBuf);

  1096.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1097.         fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1098.         fUiServer.flushMessages();

  1099. 

  1100.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  1101.         fUiServer.writeMessage(fTmpBuf);

  1102.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1103.         std::sprintf(fTmpBuf, "%i\n", options.maxParameters);

  1104.         fUiServer.writeMessage(fTmpBuf);

  1105.         fUiServer.flushMessages();

  1106. 

  1107.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  1108.         fUiServer.writeMessage(fTmpBuf);

  1109.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1110.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1111.         fUiServer.writeMessage(fTmpBuf);

  1112.         fUiServer.flushMessages();

  1113. 

  1114.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  1115.         fUiServer.writeMessage(fTmpBuf);

  1116.         fUiServer.writeMessage("true\n", 5);

  1117.         std::sprintf(fTmpBuf, "%s\n", options.binaryDir);

  1118.         fUiServer.writeMessage(fTmpBuf);

  1119.         fUiServer.flushMessages();

  1120. 

  1121.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1122.         fUiServer.writeMessage(fTmpBuf);

  1123.         fUiServer.writeMessage("true\n", 5);

  1124.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1125.         fUiServer.writeMessage(fTmpBuf);

  1126.         fUiServer.flushMessages();

  1127.     }

  1128. 

  1129.     // -------------------------------------------------------------------

  1130.     // Plugin parameter calls

  1131. 

  1132.     uint32_t getParameterCount() const

  1133.     {

  1134.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1135.             return plugin->getParameterCount();

  1136. 

  1137.         return 0;

  1138.     }

  1139. 

  1140.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1141.     {

  1142.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1143.         {

  1144.             if (index < plugin->getParameterCount())

  1145.             {

  1146.                 static NativeParameter param;

  1147.                 static char strBufName[STR_MAX+1];

  1148.                 static char strBufUnit[STR_MAX+1];

  1149. 

  1150.                 const ParameterData& paramData(plugin->getParameterData(index));

  1151.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1152. 

  1153.                 plugin->getParameterName(index, strBufName);

  1154.                 plugin->getParameterUnit(index, strBufUnit);

  1155. 

  1156.                 uint hints = 0x0;

  1157. 

  1158.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1159.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1160.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1161.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1162.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1163.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1164.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1165.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1166.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1167.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1168.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1169.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1170. 

  1171.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1172.                 {

  1173.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1174.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1175.                     if (paramData.type == PARAMETER_OUTPUT)

  1176.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1177.                 }

  1178. 

  1179.                 param.hints = static_cast<NativeParameterHints>(hints);

  1180.                 param.name  = strBufName;

  1181.                 param.unit  = strBufUnit;

  1182.                 param.ranges.def = paramRanges.def;

  1183.                 param.ranges.min = paramRanges.min;

  1184.                 param.ranges.max = paramRanges.max;

  1185.                 param.ranges.step = paramRanges.step;

  1186.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1187.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1188.                 param.scalePointCount = 0; // TODO

  1189.                 param.scalePoints = nullptr;

  1190. 

  1191.                 return &param;

  1192.             }

  1193.         }

  1194. 

  1195.         return nullptr;

  1196.     }

  1197. 

  1198.     float getParameterValue(const uint32_t index) const

  1199.     {

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

  1201.         {

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

  1203.                 return plugin->getParameterValue(index);

  1204.         }

  1205. 

  1206.         return 0.0f;

  1207.     }

  1208. 

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

  1210.     // Plugin midi-program calls

  1211. 

  1212.     uint32_t getMidiProgramCount() const

  1213.     {

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

  1215.             return plugin->getMidiProgramCount();

  1216. 

  1217.         return 0;

  1218.     }

  1219. 

  1220.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1221.     {

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

  1223.         {

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

  1225.             {

  1226.                 static NativeMidiProgram midiProg;

  1227. 

  1228.                 {

  1229.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1230. 

  1231.                     midiProg.bank    = midiProgData.bank;

  1232.                     midiProg.program = midiProgData.program;

  1233.                     midiProg.name    = midiProgData.name;

  1234.                 }

  1235. 

  1236.                 return &midiProg;

  1237.             }

  1238.         }

  1239. 

  1240.         return nullptr;

  1241.     }

  1242. 

  1243.     // -------------------------------------------------------------------

  1244.     // Plugin state calls

  1245. 

  1246.     void setParameterValue(const uint32_t index, const float value)

  1247.     {

  1248.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1249.         {

  1250.             if (index < plugin->getParameterCount())

  1251.                 plugin->setParameterValue(index, value, false, false, false);

  1252.         }

  1253.     }

  1254. 

  1255.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1256.     {

  1257.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1258.             plugin->setMidiProgramById(bank, program, false, false, false);

  1259.     }

  1260. 

  1261.     // -------------------------------------------------------------------

  1262.     // Plugin process calls

  1263. 

  1264.     void activate()

  1265.     {

  1266. #if 0

  1267.         for (uint i=0; i < pData->curPluginCount; ++i)

  1268.         {

  1269.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1270. 

  1271.             if (plugin == nullptr || ! plugin->isEnabled())

  1272.                 continue;

  1273. 

  1274.             plugin->setActive(true, true, false);

  1275.         }

  1276. #endif

  1277.         fIsActive = true;

  1278.     }

  1279. 

  1280.     void deactivate()

  1281.     {

  1282.         fIsActive = false;

  1283. #if 0

  1284.         for (uint i=0; i < pData->curPluginCount; ++i)

  1285.         {

  1286.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1287. 

  1288.             if (plugin == nullptr || ! plugin->isEnabled())

  1289.                 continue;

  1290. 

  1291.             plugin->setActive(false, true, false);

  1292.         }

  1293. #endif

  1294. 

  1295.         // just in case

  1296.         //runPendingRtEvents();

  1297.     }

  1298. 

  1299.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1300.     {

  1301.         const PendingRtEventsRunner prt(this);

  1302. 

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

  1304.         // Time Info

  1305. 

  1306.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1307. 

  1308.         pData->timeInfo.playing = timeInfo->playing;

  1309.         pData->timeInfo.frame   = timeInfo->frame;

  1310.         pData->timeInfo.usecs   = timeInfo->usecs;

  1311.         pData->timeInfo.valid   = 0x0;

  1312. 

  1313.         if (timeInfo->bbt.valid)

  1314.         {

  1315.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1316. 

  1317.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1318.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1319.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1320.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1321. 

  1322.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1323.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1324. 

  1325.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1326.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1327.         }

  1328. 

  1329.         // ---------------------------------------------------------------

  1330.         // Do nothing if no plugins and rack mode

  1331. 

  1332.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1333.         {

  1334.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1335.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1336.             return;

  1337.         }

  1338. 

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

  1340.         // initialize events

  1341. 

  1342.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1343.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1344. 

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

  1346.         // events input (before processing)

  1347. 

  1348.         {

  1349.             uint32_t engineEventIndex = 0;

  1350. 

  1351.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1352.             {

  1353.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1354.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1355. 

  1356.                 engineEvent.time = midiEvent.time;

  1357.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1358. 

  1359.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1360.                     break;

  1361.             }

  1362.         }

  1363. 

  1364.         if (kIsPatchbay)

  1365.         {

  1366.             // -----------------------------------------------------------

  1367.             // process

  1368. 

  1369.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1370.         }

  1371.         else

  1372.         {

  1373.             // -----------------------------------------------------------

  1374.             // create audio buffers

  1375. 

  1376.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1377.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1378. 

  1379.             // -----------------------------------------------------------

  1380.             // process

  1381. 

  1382.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1383.         }

  1384. 

  1385.         // ---------------------------------------------------------------

  1386.         // events output (after processing)

  1387. 

  1388.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1389. 

  1390.         {

  1391.             NativeMidiEvent midiEvent;

  1392. 

  1393.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1394.             {

  1395.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1396. 

  1397.                 if (engineEvent.type == kEngineEventTypeNull)

  1398.                     break;

  1399. 

  1400.                 midiEvent.time = engineEvent.time;

  1401. 

  1402.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1403.                 {

  1404.                     midiEvent.port = 0;

  1405.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1406.                 }

  1407.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1408.                 {

  1409.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1410.                         continue;

  1411. 

  1412.                     midiEvent.port = engineEvent.midi.port;

  1413.                     midiEvent.size = engineEvent.midi.size;

  1414. 

  1415.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1416. 

  1417.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1418.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1419.                 }

  1420.                 else

  1421.                 {

  1422.                     carla_stderr("Unknown event type...");

  1423.                     continue;

  1424.                 }

  1425. 

  1426.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1427.             }

  1428.         }

  1429.     }

  1430. 

  1431.     // -------------------------------------------------------------------

  1432.     // Plugin UI calls

  1433. 

  1434.     void uiShow(const bool show)

  1435.     {

  1436.         if (show)

  1437.         {

  1438.             if (fUiServer.isPipeRunning())

  1439.             {

  1440.                 fUiServer.writeFocusMessage();

  1441.                 return;

  1442.             }

  1443. 

  1444.             CarlaString path(pHost->resourceDir);

  1445. 

  1446.             if (kIsPatchbay)

  1447.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1448.             else

  1449.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1450. // #ifdef CARLA_OS_WIN

  1451. //             path += ".exe";

  1452. // #endif

  1453.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1454. 

  1455.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1456. 

  1457.             if (! fUiServer.startPipeServer(false))

  1458.             {

  1459.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1460.                 return;

  1461.             }

  1462. 

  1463.             uiServerInfo();

  1464.             uiServerOptions();

  1465.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1466. 

  1467.             fUiServer.writeShowMessage();

  1468. 

  1469.             for (uint i=0; i < pData->curPluginCount; ++i)

  1470.             {

  1471.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1472. 

  1473.                 if (plugin != nullptr && plugin->isEnabled())

  1474.                 {

  1475.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1476.                 }

  1477.             }

  1478. 

  1479.             if (kIsPatchbay)

  1480.                 patchbayRefresh(false);

  1481.         }

  1482.         else

  1483.         {

  1484.             fUiServer.stopPipeServer(2000);

  1485. 

  1486.             // hide all custom uis

  1487.             for (uint i=0; i < pData->curPluginCount; ++i)

  1488.             {

  1489.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1490. 

  1491.                 if (plugin != nullptr && plugin->isEnabled())

  1492.                 {

  1493.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1494.                     {

  1495.                         try {

  1496.                             plugin->showCustomUI(false);

  1497.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1498.                     }

  1499.                 }

  1500.             }

  1501.         }

  1502.     }

  1503. 

  1504.     void uiIdle()

  1505.     {

  1506.         for (uint i=0; i < pData->curPluginCount; ++i)

  1507.         {

  1508.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1509. 

  1510.             if (plugin != nullptr && plugin->isEnabled())

  1511.             {

  1512.                 if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1513.                 {

  1514.                     try {

  1515.                         plugin->uiIdle();

  1516.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1517.                 }

  1518.             }

  1519.         }

  1520. 

  1521.         if (fUiServer.isPipeRunning())

  1522.         {

  1523.             fUiServer.idlePipe();

  1524. 

  1525.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1526. #ifndef CARLA_OS_WIN

  1527.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1528.             const ScopedLocale csl;

  1529. 

  1530.             // send transport

  1531.             fUiServer.writeAndFixMessage("transport");

  1532.             fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n");

  1533. 

  1534.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1535.             {

  1536.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1537.                 fUiServer.writeMessage(fTmpBuf);

  1538.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1539.                 fUiServer.writeMessage(fTmpBuf);

  1540.             }

  1541.             else

  1542.             {

  1543.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1544.                 fUiServer.writeMessage(fTmpBuf);

  1545.                 fUiServer.writeMessage("0.0\n");

  1546.             }

  1547. 

  1548.             fUiServer.flushMessages();

  1549. #endif

  1550. 

  1551.             // send peaks and param outputs for all plugins

  1552.             for (uint i=0; i < pData->curPluginCount; ++i)

  1553.             {

  1554.                 const EnginePluginData& plugData(pData->plugins[i]);

  1555.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1556. 

  1557.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1558.                 fUiServer.writeMessage(fTmpBuf);

  1559. 

  1560.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1561.                 fUiServer.writeMessage(fTmpBuf);

  1562.                 fUiServer.flushMessages();

  1563. 

  1564.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1565.                 {

  1566.                     if (! plugin->isParameterOutput(j))

  1567.                         continue;

  1568. 

  1569.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1570.                     fUiServer.writeMessage(fTmpBuf);

  1571.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1572.                     fUiServer.writeMessage(fTmpBuf);

  1573.                     fUiServer.flushMessages();

  1574.                 }

  1575.             }

  1576.         }

  1577. 

  1578.         switch (fUiServer.getAndResetUiState())

  1579.         {

  1580.         case CarlaExternalUI::UiNone:

  1581.         case CarlaExternalUI::UiShow:

  1582.             break;

  1583.         case CarlaExternalUI::UiCrashed:

  1584.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1585.             break;

  1586.         case CarlaExternalUI::UiHide:

  1587.             pHost->ui_closed(pHost->handle);

  1588.             fUiServer.stopPipeServer(1000);

  1589.             break;

  1590.         }

  1591.     }

  1592. 

  1593.     // -------------------------------------------------------------------

  1594.     // Plugin state calls

  1595. 

  1596.     char* getState() const

  1597.     {

  1598.         MemoryOutputStream out;

  1599.         saveProjectInternal(out);

  1600.         return strdup(out.toString().toRawUTF8());

  1601.     }

  1602. 

  1603.     void setState(const char* const data)

  1604.     {

  1605.         // remove all plugins from UI side

  1606.         for (int i=pData->curPluginCount; --i >= 0;)

  1607.             CarlaEngine::callback(ENGINE_CALLBACK_PLUGIN_REMOVED, i, 0, 0, 0.0f, nullptr);

  1608. 

  1609.         // remove all plugins from backend, no lock

  1610.         fIsRunning = false;

  1611.         removeAllPlugins();

  1612.         fIsRunning = true;

  1613. 

  1614.         // stopped during removeAllPlugins()

  1615.         if (! pData->thread.isThreadRunning())

  1616.             pData->thread.startThread();

  1617. 

  1618.         fOptionsForced = true;

  1619.         const String state(data);

  1620.         XmlDocument xml(state);

  1621.         loadProjectInternal(xml);

  1622.     }

  1623. 

  1624.     // -------------------------------------------------------------------

  1625. 

  1626. public:

  1627.     #define handlePtr ((CarlaEngineNative*)handle)

  1628. 

  1629.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1630.     {

  1631.         return new CarlaEngineNative(host, false);

  1632.     }

  1633. 

  1634.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1635.     {

  1636.         return new CarlaEngineNative(host, true);

  1637.     }

  1638. 

  1639.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1640.     {

  1641.         return new CarlaEngineNative(host, true, 3, 2);

  1642.     }

  1643. 

  1644.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1645.     {

  1646.         return new CarlaEngineNative(host, true, 16);

  1647.     }

  1648. 

  1649.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1650.     {

  1651.         return new CarlaEngineNative(host, true, 32);

  1652.     }

  1653. 

  1654.     static void _cleanup(NativePluginHandle handle)

  1655.     {

  1656.         delete handlePtr;

  1657.     }

  1658. 

  1659.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1660.     {

  1661.         return handlePtr->getParameterCount();

  1662.     }

  1663. 

  1664.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1665.     {

  1666.         return handlePtr->getParameterInfo(index);

  1667.     }

  1668. 

  1669.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1670.     {

  1671.         return handlePtr->getParameterValue(index);

  1672.     }

  1673. 

  1674.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1675.     {

  1676.         return handlePtr->getMidiProgramCount();

  1677.     }

  1678. 

  1679.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1680.     {

  1681.         return handlePtr->getMidiProgramInfo(index);

  1682.     }

  1683. 

  1684.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1685.     {

  1686.         handlePtr->setParameterValue(index, value);

  1687.     }

  1688. 

  1689.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1690.     {

  1691.         handlePtr->setMidiProgram(channel, bank, program);

  1692.     }

  1693. 

  1694.     static void _ui_show(NativePluginHandle handle, bool show)

  1695.     {

  1696.         handlePtr->uiShow(show);

  1697.     }

  1698. 

  1699.     static void _ui_idle(NativePluginHandle handle)

  1700.     {

  1701.         handlePtr->uiIdle();

  1702.     }

  1703. 

  1704.     static void _activate(NativePluginHandle handle)

  1705.     {

  1706.         handlePtr->activate();

  1707.     }

  1708. 

  1709.     static void _deactivate(NativePluginHandle handle)

  1710.     {

  1711.         handlePtr->deactivate();

  1712.     }

  1713. 

  1714.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1715.     {

  1716.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1717.     }

  1718. 

  1719.     static char* _get_state(NativePluginHandle handle)

  1720.     {

  1721.         return handlePtr->getState();

  1722.     }

  1723. 

  1724.     static void _set_state(NativePluginHandle handle, const char* data)

  1725.     {

  1726.         handlePtr->setState(data);

  1727.     }

  1728. 

  1729.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1730.     {

  1731.         switch(opcode)

  1732.         {

  1733.         case NATIVE_PLUGIN_OPCODE_NULL:

  1734.             return 0;

  1735.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1736.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1737.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1738.             return 0;

  1739.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1740.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1741.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1742.             return 0;

  1743.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1744.             handlePtr->offlineModeChanged(value != 0);

  1745.             return 0;

  1746.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1747.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1748.             return 0;

  1749.         }

  1750. 

  1751.         return 0;

  1752. 

  1753.         // unused

  1754.         (void)index;

  1755.         (void)ptr;

  1756.     }

  1757. 

  1758.     // -------------------------------------------------------------------

  1759. 

  1760.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1761.     {

  1762.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1763.     }

  1764. 

  1765.     // -------------------------------------------------------------------

  1766. 

  1767.     #undef handlePtr

  1768. 

  1769. private:

  1770.     const NativeHostDescriptor* const pHost;

  1771. 

  1772.     const bool kIsPatchbay; // rack if false

  1773.     bool fIsActive, fIsRunning;

  1774.     CarlaEngineNativeUI fUiServer;

  1775. 

  1776.     bool fOptionsForced;

  1777.     char fTmpBuf[STR_MAX+1];

  1778. 

  1779.     CarlaPlugin* _getFirstPlugin() const noexcept

  1780.     {

  1781.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1782.             return nullptr;

  1783. 

  1784.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1785. 

  1786.         if (plugin == nullptr || ! plugin->isEnabled())

  1787.             return nullptr;

  1788. 

  1789.         return pData->plugins[0].plugin;

  1790.     }

  1791. 

  1792.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1793. };

  1794. 

  1795. // -----------------------------------------------------------------------

  1796. 

  1797. static const NativePluginDescriptor carlaRackDesc = {

  1798.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1799.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1800.                                                   |NATIVE_PLUGIN_HAS_UI

  1801.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1802.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1803.                                                   |NATIVE_PLUGIN_USES_STATE

  1804.                                                   |NATIVE_PLUGIN_USES_TIME),

  1805.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1806.     /* audioIns  */ 2,

  1807.     /* audioOuts */ 2,

  1808.     /* midiIns   */ 1,

  1809.     /* midiOuts  */ 1,

  1810.     /* paramIns  */ 0,

  1811.     /* paramOuts */ 0,

  1812.     /* name      */ "Carla-Rack",

  1813.     /* label     */ "carlarack",

  1814.     /* maker     */ "falkTX",

  1815.     /* copyright */ "GNU GPL v2+",

  1816.     CarlaEngineNative::_instantiateRack,

  1817.     CarlaEngineNative::_cleanup,

  1818.     CarlaEngineNative::_get_parameter_count,

  1819.     CarlaEngineNative::_get_parameter_info,

  1820.     CarlaEngineNative::_get_parameter_value,

  1821.     CarlaEngineNative::_get_midi_program_count,

  1822.     CarlaEngineNative::_get_midi_program_info,

  1823.     CarlaEngineNative::_set_parameter_value,

  1824.     CarlaEngineNative::_set_midi_program,

  1825.     /* _set_custom_data        */ nullptr,

  1826.     CarlaEngineNative::_ui_show,

  1827.     CarlaEngineNative::_ui_idle,

  1828.     /* _ui_set_parameter_value */ nullptr,

  1829.     /* _ui_set_midi_program    */ nullptr,

  1830.     /* _ui_set_custom_data     */ nullptr,

  1831.     CarlaEngineNative::_activate,

  1832.     CarlaEngineNative::_deactivate,

  1833.     CarlaEngineNative::_process,

  1834.     CarlaEngineNative::_get_state,

  1835.     CarlaEngineNative::_set_state,

  1836.     CarlaEngineNative::_dispatcher

  1837. };

  1838. 

  1839. static const NativePluginDescriptor carlaPatchbayDesc = {

  1840.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1841.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1842.                                                   |NATIVE_PLUGIN_HAS_UI

  1843.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1844.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1845.                                                   |NATIVE_PLUGIN_USES_STATE

  1846.                                                   |NATIVE_PLUGIN_USES_TIME),

  1847.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1848.     /* audioIns  */ 2,

  1849.     /* audioOuts */ 2,

  1850.     /* midiIns   */ 1,

  1851.     /* midiOuts  */ 1,

  1852.     /* paramIns  */ 0,

  1853.     /* paramOuts */ 0,

  1854.     /* name      */ "Carla-Patchbay",

  1855.     /* label     */ "carlapatchbay",

  1856.     /* maker     */ "falkTX",

  1857.     /* copyright */ "GNU GPL v2+",

  1858.     CarlaEngineNative::_instantiatePatchbay,

  1859.     CarlaEngineNative::_cleanup,

  1860.     CarlaEngineNative::_get_parameter_count,

  1861.     CarlaEngineNative::_get_parameter_info,

  1862.     CarlaEngineNative::_get_parameter_value,

  1863.     CarlaEngineNative::_get_midi_program_count,

  1864.     CarlaEngineNative::_get_midi_program_info,

  1865.     CarlaEngineNative::_set_parameter_value,

  1866.     CarlaEngineNative::_set_midi_program,

  1867.     /* _set_custom_data        */ nullptr,

  1868.     CarlaEngineNative::_ui_show,

  1869.     CarlaEngineNative::_ui_idle,

  1870.     /* _ui_set_parameter_value */ nullptr,

  1871.     /* _ui_set_midi_program    */ nullptr,

  1872.     /* _ui_set_custom_data     */ nullptr,

  1873.     CarlaEngineNative::_activate,

  1874.     CarlaEngineNative::_deactivate,

  1875.     CarlaEngineNative::_process,

  1876.     CarlaEngineNative::_get_state,

  1877.     CarlaEngineNative::_set_state,

  1878.     CarlaEngineNative::_dispatcher

  1879. };

  1880. 

  1881. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1882.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1883.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1884.                                                   |NATIVE_PLUGIN_HAS_UI

  1885.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1886.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1887.                                                   |NATIVE_PLUGIN_USES_STATE

  1888.                                                   |NATIVE_PLUGIN_USES_TIME),

  1889.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1890.     /* audioIns  */ 3,

  1891.     /* audioOuts */ 2,

  1892.     /* midiIns   */ 1,

  1893.     /* midiOuts  */ 1,

  1894.     /* paramIns  */ 0,

  1895.     /* paramOuts */ 0,

  1896.     /* name      */ "Carla-Patchbay (sidechain)",

  1897.     /* label     */ "carlapatchbay3s",

  1898.     /* maker     */ "falkTX",

  1899.     /* copyright */ "GNU GPL v2+",

  1900.     CarlaEngineNative::_instantiatePatchbay3s,

  1901.     CarlaEngineNative::_cleanup,

  1902.     CarlaEngineNative::_get_parameter_count,

  1903.     CarlaEngineNative::_get_parameter_info,

  1904.     CarlaEngineNative::_get_parameter_value,

  1905.     CarlaEngineNative::_get_midi_program_count,

  1906.     CarlaEngineNative::_get_midi_program_info,

  1907.     CarlaEngineNative::_set_parameter_value,

  1908.     CarlaEngineNative::_set_midi_program,

  1909.     /* _set_custom_data        */ nullptr,

  1910.     CarlaEngineNative::_ui_show,

  1911.     CarlaEngineNative::_ui_idle,

  1912.     /* _ui_set_parameter_value */ nullptr,

  1913.     /* _ui_set_midi_program    */ nullptr,

  1914.     /* _ui_set_custom_data     */ nullptr,

  1915.     CarlaEngineNative::_activate,

  1916.     CarlaEngineNative::_deactivate,

  1917.     CarlaEngineNative::_process,

  1918.     CarlaEngineNative::_get_state,

  1919.     CarlaEngineNative::_set_state,

  1920.     CarlaEngineNative::_dispatcher

  1921. };

  1922. 

  1923. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1924.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1925.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1926.                                                   |NATIVE_PLUGIN_HAS_UI

  1927.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1928.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1929.                                                   |NATIVE_PLUGIN_USES_STATE

  1930.                                                   |NATIVE_PLUGIN_USES_TIME),

  1931.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1932.     /* audioIns  */ 16,

  1933.     /* audioOuts */ 16,

  1934.     /* midiIns   */ 1,

  1935.     /* midiOuts  */ 1,

  1936.     /* paramIns  */ 0,

  1937.     /* paramOuts */ 0,

  1938.     /* name      */ "Carla-Patchbay (16chan)",

  1939.     /* label     */ "carlapatchbay16",

  1940.     /* maker     */ "falkTX",

  1941.     /* copyright */ "GNU GPL v2+",

  1942.     CarlaEngineNative::_instantiatePatchbay16,

  1943.     CarlaEngineNative::_cleanup,

  1944.     CarlaEngineNative::_get_parameter_count,

  1945.     CarlaEngineNative::_get_parameter_info,

  1946.     CarlaEngineNative::_get_parameter_value,

  1947.     CarlaEngineNative::_get_midi_program_count,

  1948.     CarlaEngineNative::_get_midi_program_info,

  1949.     CarlaEngineNative::_set_parameter_value,

  1950.     CarlaEngineNative::_set_midi_program,

  1951.     /* _set_custom_data        */ nullptr,

  1952.     CarlaEngineNative::_ui_show,

  1953.     CarlaEngineNative::_ui_idle,

  1954.     /* _ui_set_parameter_value */ nullptr,

  1955.     /* _ui_set_midi_program    */ nullptr,

  1956.     /* _ui_set_custom_data     */ nullptr,

  1957.     CarlaEngineNative::_activate,

  1958.     CarlaEngineNative::_deactivate,

  1959.     CarlaEngineNative::_process,

  1960.     CarlaEngineNative::_get_state,

  1961.     CarlaEngineNative::_set_state,

  1962.     CarlaEngineNative::_dispatcher

  1963. };

  1964. 

  1965. static const NativePluginDescriptor carlaPatchbay32Desc = {

  1966.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1967.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1968.                                                   |NATIVE_PLUGIN_HAS_UI

  1969.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1970.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  1971.                                                   |NATIVE_PLUGIN_USES_STATE

  1972.                                                   |NATIVE_PLUGIN_USES_TIME),

  1973.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1974.     /* audioIns  */ 32,

  1975.     /* audioOuts */ 32,

  1976.     /* midiIns   */ 1,

  1977.     /* midiOuts  */ 1,

  1978.     /* paramIns  */ 0,

  1979.     /* paramOuts */ 0,

  1980.     /* name      */ "Carla-Patchbay (32chan)",

  1981.     /* label     */ "carlapatchbay32",

  1982.     /* maker     */ "falkTX",

  1983.     /* copyright */ "GNU GPL v2+",

  1984.     CarlaEngineNative::_instantiatePatchbay32,

  1985.     CarlaEngineNative::_cleanup,

  1986.     CarlaEngineNative::_get_parameter_count,

  1987.     CarlaEngineNative::_get_parameter_info,

  1988.     CarlaEngineNative::_get_parameter_value,

  1989.     CarlaEngineNative::_get_midi_program_count,

  1990.     CarlaEngineNative::_get_midi_program_info,

  1991.     CarlaEngineNative::_set_parameter_value,

  1992.     CarlaEngineNative::_set_midi_program,

  1993.     /* _set_custom_data        */ nullptr,

  1994.     CarlaEngineNative::_ui_show,

  1995.     CarlaEngineNative::_ui_idle,

  1996.     /* _ui_set_parameter_value */ nullptr,

  1997.     /* _ui_set_midi_program    */ nullptr,

  1998.     /* _ui_set_custom_data     */ nullptr,

  1999.     CarlaEngineNative::_activate,

  2000.     CarlaEngineNative::_deactivate,

  2001.     CarlaEngineNative::_process,

  2002.     CarlaEngineNative::_get_state,

  2003.     CarlaEngineNative::_set_state,

  2004.     CarlaEngineNative::_dispatcher

  2005. };

  2006. 

  2007. CARLA_BACKEND_END_NAMESPACE

  2008. 

  2009. // -----------------------------------------------------------------------

  2010. 

  2011. CARLA_EXPORT

  2012. void carla_register_native_plugin_carla();

  2013. 

  2014. void carla_register_native_plugin_carla()

  2015. {

  2016.     CARLA_BACKEND_USE_NAMESPACE;

  2017.     carla_register_native_plugin(&carlaRackDesc);

  2018.     carla_register_native_plugin(&carlaPatchbayDesc);

  2019.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2020.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2021.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2022. }

  2023. 

  2024. // -----------------------------------------------------------------------

  2025. 

  2026. CARLA_EXPORT

  2027. const NativePluginDescriptor* carla_get_native_rack_plugin();

  2028. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2029. {

  2030.     // if this is called then we're running as special plugin

  2031.     gNeedsJuceHandling = true;

  2032. 

  2033.     CARLA_BACKEND_USE_NAMESPACE;

  2034.     return &carlaRackDesc;

  2035. }

  2036. 

  2037. CARLA_EXPORT

  2038. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  2039. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2040. {

  2041.     // if this is called then we're running as special plugin

  2042.     gNeedsJuceHandling = true;

  2043. 

  2044.     CARLA_BACKEND_USE_NAMESPACE;

  2045.     return &carlaPatchbayDesc;

  2046. }

  2047. 

  2048. // -----------------------------------------------------------------------

  2049. // Extra stuff for linking purposes

  2050. 

  2051. #ifdef CARLA_PLUGIN_EXPORT

  2052. 

  2053. CARLA_BACKEND_START_NAMESPACE

  2054. 

  2055. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2056. 

  2057. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  2058. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2059. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2060. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2061. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2062. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2063. # else

  2064. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2065. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2066. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2067. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2068. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2069. # endif

  2070. 

  2071. CARLA_BACKEND_END_NAMESPACE

  2072. 

  2073. #include "CarlaHostCommon.cpp"

  2074. #include "CarlaPluginUI.cpp"

  2075. #include "CarlaDssiUtils.cpp"

  2076. #include "CarlaPatchbayUtils.cpp"

  2077. #include "CarlaPipeUtils.cpp"

  2078. #include "CarlaStateUtils.cpp"

  2079. #include "CarlaJuceEvents.cpp"

  2080. 

  2081. #endif

  2082. 

  2083. // -----------------------------------------------------------------------