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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 writeShowMessage() noexcept

  77.     {

  78.         const CarlaMutexLocker cml(getPipeLock());

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

  80.         flushMessages();

  81.     }

  82. 

  83.     void writeFocusMessage() noexcept

  84.     {

  85.         const CarlaMutexLocker cml(getPipeLock());

  86.         writeMessage("focus\n", 6);

  87.         flushMessages();

  88.     }

  89. 

  90. protected:

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

  92.     {

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

  94.             return true;

  95. 

  96.         bool ok = true;

  97. 

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

  99.         {

  100.             uint32_t option;

  101.             int32_t value;

  102.             const char* valueStr = nullptr;

  103. 

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

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

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

  107. 

  108.             try {

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

  110.             } CARLA_SAFE_EXCEPTION("setOption");

  111. 

  112.             if (valueStr != nullptr)

  113.                 delete[] valueStr;

  114.         }

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

  116.         {

  117.             const char* filename;

  118. 

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

  120. 

  121.             try {

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

  123.             } CARLA_SAFE_EXCEPTION("loadFile");

  124. 

  125.             delete[] filename;

  126.         }

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

  128.         {

  129.             const char* filename;

  130. 

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

  132. 

  133.             try {

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

  135.             } CARLA_SAFE_EXCEPTION("loadProject");

  136. 

  137.             delete[] filename;

  138.         }

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

  140.         {

  141.             const char* filename;

  142. 

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

  144. 

  145.             try {

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

  147.             } CARLA_SAFE_EXCEPTION("saveProject");

  148. 

  149.             delete[] filename;

  150.         }

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

  152.         {

  153.             uint32_t groupA, portA, groupB, portB;

  154. 

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

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

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

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

  159. 

  160.             try {

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

  162.             } CARLA_SAFE_EXCEPTION("patchbayConnect");

  163.         }

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

  165.         {

  166.             uint32_t connectionId;

  167. 

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

  169. 

  170.             try {

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

  172.             } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  173.         }

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

  175.         {

  176.             try {

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

  178.             } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  179.         }

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

  181.         {

  182.             fEngine->transportPlay();

  183.         }

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

  185.         {

  186.             fEngine->transportPause();

  187.         }

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

  189.         {

  190.             uint64_t frame;

  191. 

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

  193. 

  194.             fEngine->transportRelocate(frame);

  195.         }

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

  197.         {

  198.             uint32_t btype, ptype;

  199.             const char* filename = nullptr;

  200.             const char* name;

  201.             const char* label;

  202.             int64_t uniqueId;

  203. 

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

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

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

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

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

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

  210. 

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

  212.             {

  213.                 delete[] filename;

  214.                 filename = nullptr;

  215.             }

  216. 

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

  218.             {

  219.                 delete[] name;

  220.                 name = nullptr;

  221.             }

  222. 

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

  224. 

  225.             if (filename != nullptr)

  226.                 delete[] filename;

  227.             if (name != nullptr)

  228.                 delete[] name;

  229.             delete[] label;

  230.         }

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

  232.         {

  233.             uint32_t pluginId;

  234. 

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

  236. 

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

  238.         }

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

  240.         {

  241.             ok = fEngine->removeAllPlugins();

  242.         }

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

  244.         {

  245.             uint32_t pluginId;

  246.             const char* newName;

  247. 

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

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

  250. 

  251.             // TODO

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

  253. 

  254.             delete[] newName;

  255.         }

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

  257.         {

  258.             uint32_t pluginId;

  259. 

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

  261. 

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

  263.         }

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

  265.         {

  266.             uint32_t pluginId;

  267. 

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

  269. 

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

  271.         }

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

  273.         {

  274.             uint32_t pluginIdA, pluginIdB;

  275. 

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

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

  278. 

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

  280.         }

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

  282.         {

  283.             uint32_t pluginId;

  284.             const char* filename;

  285. 

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

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

  288. 

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

  290.                 plugin->loadStateFromFile(filename);

  291. 

  292.             delete[] filename;

  293.         }

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

  295.         {

  296.             uint32_t pluginId;

  297.             const char* filename;

  298. 

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

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

  301. 

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

  303.                 plugin->saveStateToFile(filename);

  304. 

  305.             delete[] filename;

  306.         }

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

  308.         {

  309.             uint32_t pluginId, option;

  310.             bool yesNo;

  311. 

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

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

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

  315. 

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

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

  318.         }

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

  320.         {

  321.             uint32_t pluginId;

  322.             bool onOff;

  323. 

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

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

  326. 

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

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

  329.         }

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

  331.         {

  332.             uint32_t pluginId;

  333.             float value;

  334. 

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

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

  337. 

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

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

  340.         }

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

  342.         {

  343.             uint32_t pluginId;

  344.             float value;

  345. 

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

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

  348. 

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

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

  351.         }

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

  353.         {

  354.             uint32_t pluginId;

  355.             float value;

  356. 

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

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

  359. 

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

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

  362.         }

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

  364.         {

  365.             uint32_t pluginId;

  366.             float value;

  367. 

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

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

  370. 

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

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

  373.         }

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

  375.         {

  376.             uint32_t pluginId;

  377.             float value;

  378. 

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

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

  381. 

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

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

  384.         }

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

  386.         {

  387.             uint32_t pluginId;

  388.             int32_t channel;

  389. 

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

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

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

  393. 

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

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

  396.         }

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

  398.         {

  399.             uint32_t pluginId, parameterId;

  400.             float value;

  401. 

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

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

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

  405. 

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

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

  408.         }

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

  410.         {

  411.             uint32_t pluginId, parameterId, channel;

  412. 

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

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

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

  416.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  417. 

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

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

  420.         }

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

  422.         {

  423.             uint32_t pluginId, parameterId;

  424.             int32_t cc;

  425. 

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

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

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

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

  430. 

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

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

  433.         }

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

  435.         {

  436.             uint32_t pluginId;

  437.             int32_t index;

  438. 

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

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

  441. 

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

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

  444.         }

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

  446.         {

  447.             uint32_t pluginId;

  448.             int32_t index;

  449. 

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

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

  452. 

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

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

  455.         }

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

  457.         {

  458.             uint32_t pluginId;

  459.             const char* type;

  460.             const char* key;

  461.             const char* value;

  462. 

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

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

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

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

  467. 

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

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

  470. 

  471.             delete[] type;

  472.             delete[] key;

  473.             delete[] value;

  474.         }

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

  476.         {

  477.             uint32_t pluginId;

  478.             const char* cdata;

  479. 

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

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

  482. 

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

  484.             {

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

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

  487.             }

  488. 

  489.             delete[] cdata;

  490.         }

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

  492.         {

  493.             uint32_t pluginId;

  494. 

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

  496. 

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

  498.                 plugin->prepareForSave();

  499.         }

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

  501.         {

  502.             uint32_t pluginId;

  503. 

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

  505. 

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

  507.                 plugin->resetParameters();

  508.         }

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

  510.         {

  511.             uint32_t pluginId;

  512. 

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

  514. 

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

  516.                 plugin->randomizeParameters();

  517.         }

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

  519.         {

  520.             uint32_t pluginId, channel, note, velocity;

  521. 

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

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

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

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

  526.             CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  527.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  528.             CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  529. 

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

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

  532.         }

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

  534.         {

  535.             uint32_t pluginId;

  536.             bool yesNo;

  537. 

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

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

  540. 

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

  542.                 plugin->showCustomUI(yesNo);

  543.         }

  544.         else

  545.         {

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

  547.             return false;

  548.         }

  549. 

  550.         if (! ok)

  551.         {

  552.             const CarlaMutexLocker cml(getPipeLock());

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

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

  555.             flushMessages();

  556.         }

  557. 

  558.         return true;

  559.     }

  560. 

  561. private:

  562.     CarlaEngine* const fEngine;

  563. 

  564.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  565. };

  566. 

  567. // -----------------------------------------------------------------------

  568. 

  569. class CarlaEngineNative : public CarlaEngine

  570. {

  571. public:

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

  573.         : CarlaEngine(),

  574.           pHost(host),

  575.           kIsPatchbay(isPatchbay),

  576.           fIsActive(false),

  577.           fIsRunning(false),

  578.           fUiServer(this),

  579.           fOptionsForced(false),

  580.           leakDetector_CarlaEngineNative()

  581.     {

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

  583. 

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

  585. 

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

  587.             juce::initialiseJuce_GUI();

  588. 

  589.         carla_zeroChar(fTmpBuf, STR_MAX+1);

  590. 

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

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

  593. 

  594.         if (outChan == 0)

  595.             outChan = inChan;

  596. 

  597.         // set-up engine

  598.         if (kIsPatchbay)

  599.         {

  600.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  601.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  602.             pData->options.forceStereo         = false;

  603.             pData->options.preferPluginBridges = false;

  604.             pData->options.preferUiBridges     = false;

  605.             init("Carla-Patchbay");

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

  607.         }

  608.         else

  609.         {

  610.             CARLA_SAFE_ASSERT(inChan == 2);

  611.             CARLA_SAFE_ASSERT(outChan == 2);

  612.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  613.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  614.             pData->options.forceStereo         = true;

  615.             pData->options.preferPluginBridges = false;

  616.             pData->options.preferUiBridges     = false;

  617.             init("Carla-Rack");

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

  619.         }

  620. 

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

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

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

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

  625. 

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

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

  628. 

  629.         setCallback(_ui_server_callback, this);

  630.     }

  631. 

  632.     ~CarlaEngineNative() override

  633.     {

  634.         CARLA_SAFE_ASSERT(! fIsActive);

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

  636. 

  637.         pData->aboutToClose = true;

  638.         fIsRunning = false;

  639. 

  640.         removeAllPlugins();

  641.         //runPendingRtEvents();

  642.         close();

  643. 

  644.         pData->graph.destroy();

  645. 

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

  647.             juce::shutdownJuce_GUI();

  648. 

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

  650.     }

  651. 

  652. protected:

  653.     // -------------------------------------

  654.     // CarlaEngine virtual calls

  655. 

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

  657.     {

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

  659. 

  660.         fIsRunning = true;

  661. 

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

  663.         {

  664.             close();

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

  666.             return false;

  667.         }

  668. 

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

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

  671. 

  672.         return true;

  673.     }

  674. 

  675.     bool close() override

  676.     {

  677.         fIsRunning = false;

  678.         CarlaEngine::close();

  679.         return true;

  680.     }

  681. 

  682.     bool isRunning() const noexcept override

  683.     {

  684.         return fIsRunning;

  685.     }

  686. 

  687.     bool isOffline() const noexcept override

  688.     {

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

  690.     }

  691. 

  692.     EngineType getType() const noexcept override

  693.     {

  694.         return kEngineTypePlugin;

  695.     }

  696. 

  697.     const char* getCurrentDriverName() const noexcept override

  698.     {

  699.         return "Plugin";

  700.     }

  701. 

  702.     // -------------------------------------------------------------------

  703. 

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

  705.     {

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

  707.         {

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

  709.             return retName;

  710.         }

  711. 

  712.         return nullptr;

  713.     }

  714. 

  715.     // -------------------------------------------------------------------

  716. 

  717.     void bufferSizeChanged(const uint32_t newBufferSize)

  718.     {

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

  720.             return;

  721. 

  722.         {

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

  724. 

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

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

  727.             fUiServer.writeMessage(fTmpBuf);

  728.             fUiServer.flushMessages();

  729.         }

  730. 

  731.         pData->bufferSize = newBufferSize;

  732.         CarlaEngine::bufferSizeChanged(newBufferSize);

  733.     }

  734. 

  735.     void sampleRateChanged(const double newSampleRate)

  736.     {

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

  738.             return;

  739. 

  740.         {

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

  742.             const ScopedLocale csl;

  743. 

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

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

  746.             fUiServer.writeMessage(fTmpBuf);

  747.             fUiServer.flushMessages();

  748.         }

  749. 

  750.         pData->sampleRate = newSampleRate;

  751.         CarlaEngine::sampleRateChanged(newSampleRate);

  752.     }

  753. 

  754.     // -------------------------------------------------------------------

  755. 

  756.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  757.     {

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

  759. 

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

  761. 

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

  763.         fUiServer.writeMessage(fTmpBuf);

  764. 

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

  766.         fUiServer.writeMessage(fTmpBuf);

  767. 

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

  769.         {

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

  771.             fUiServer.writeAndFixMessage(fTmpBuf);

  772.         }

  773.         else

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

  775. 

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

  777.         {

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

  779.             fUiServer.writeAndFixMessage(fTmpBuf);

  780.         }

  781.         else

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

  783. 

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

  785.         {

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

  787.             fUiServer.writeAndFixMessage(fTmpBuf);

  788.         }

  789.         else

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

  791. 

  792.         plugin->getRealName(fTmpBuf);

  793.         fUiServer.writeAndFixMessage(fTmpBuf);

  794. 

  795.         plugin->getLabel(fTmpBuf);

  796.         fUiServer.writeAndFixMessage(fTmpBuf);

  797. 

  798.         plugin->getMaker(fTmpBuf);

  799.         fUiServer.writeAndFixMessage(fTmpBuf);

  800. 

  801.         plugin->getCopyright(fTmpBuf);

  802.         fUiServer.writeAndFixMessage(fTmpBuf);

  803. 

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

  805.         fUiServer.writeMessage(fTmpBuf);

  806. 

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

  808.         fUiServer.writeMessage(fTmpBuf);

  809. 

  810.         fUiServer.flushMessages();

  811.     }

  812. 

  813.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  814.     {

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

  816.         const ScopedLocale csl;

  817. 

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

  819. 

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

  821.         {

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

  823.             fUiServer.writeMessage(fTmpBuf);

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

  825.             fUiServer.writeMessage(fTmpBuf);

  826.             fUiServer.flushMessages();

  827.         }

  828. 

  829.         uint32_t ins, outs, count;

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

  831.         count = plugin->getParameterCount();

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

  833.         fUiServer.writeMessage(fTmpBuf);

  834. 

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

  836.         {

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

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

  839. 

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

  841.             fUiServer.writeMessage(fTmpBuf);

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

  843.             fUiServer.writeMessage(fTmpBuf);

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

  845.             fUiServer.writeAndFixMessage(fTmpBuf);

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

  847.             fUiServer.writeAndFixMessage(fTmpBuf);

  848. 

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

  850.             fUiServer.writeMessage(fTmpBuf);

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

  852.             fUiServer.writeMessage(fTmpBuf);

  853. 

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

  855.             fUiServer.writeMessage(fTmpBuf);

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

  857.             fUiServer.writeMessage(fTmpBuf);

  858.         }

  859. 

  860.         fUiServer.flushMessages();

  861.     }

  862. 

  863.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  864.     {

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

  866. 

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

  868. 

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

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

  871.         fUiServer.writeMessage(fTmpBuf);

  872. 

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

  874.         {

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

  876.             fUiServer.writeMessage(fTmpBuf);

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

  878.             fUiServer.writeAndFixMessage(fTmpBuf);

  879.         }

  880. 

  881.         fUiServer.flushMessages();

  882. 

  883.         count = plugin->getMidiProgramCount();

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

  885.         fUiServer.writeMessage(fTmpBuf);

  886. 

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

  888.         {

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

  890.             fUiServer.writeMessage(fTmpBuf);

  891. 

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

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

  894.             fUiServer.writeMessage(fTmpBuf);

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

  896.             fUiServer.writeAndFixMessage(fTmpBuf);

  897.         }

  898. 

  899.         fUiServer.flushMessages();

  900.     }

  901. 

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

  903.     {

  904.         if (! fIsRunning)

  905.             return;

  906.         if (! fUiServer.isPipeRunning())

  907.             return;

  908. 

  909.         CarlaPlugin* plugin;

  910. 

  911.         switch (action)

  912.         {

  913.         case ENGINE_CALLBACK_RELOAD_INFO:

  914.             plugin = getPlugin(pluginId);

  915. 

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

  917.             {

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

  919.                 uiServerSendPluginInfo(plugin);

  920.             }

  921.             break;

  922. 

  923.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  924.             plugin = getPlugin(pluginId);

  925. 

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

  927.             {

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

  929.                 uiServerSendPluginParameters(plugin);

  930.             }

  931.             break;

  932. 

  933.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  934.             plugin = getPlugin(pluginId);

  935. 

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

  937.             {

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

  939.                 uiServerSendPluginPrograms(plugin);

  940.             }

  941.             break;

  942. 

  943.         case ENGINE_CALLBACK_RELOAD_ALL:

  944.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  945.             plugin = getPlugin(pluginId);

  946. 

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

  948.             {

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

  950.                 uiServerSendPluginInfo(plugin);

  951.                 uiServerSendPluginParameters(plugin);

  952.                 uiServerSendPluginPrograms(plugin);

  953.             }

  954.             break;

  955. 

  956.         default:

  957.             break;

  958.         }

  959. 

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

  961.         const ScopedLocale csl;

  962. 

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

  964.         fUiServer.writeMessage(fTmpBuf);

  965. 

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

  967.         fUiServer.writeMessage(fTmpBuf);

  968. 

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

  970.         fUiServer.writeMessage(fTmpBuf);

  971. 

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

  973.         fUiServer.writeMessage(fTmpBuf);

  974. 

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

  976.         fUiServer.writeMessage(fTmpBuf);

  977. 

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

  979. 

  980.         fUiServer.flushMessages();

  981.     }

  982. 

  983.     void uiServerInfo()

  984.     {

  985.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  987. 

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

  989. 

  990.         fUiServer.writeAndFixMessage("complete-license");

  991.         fUiServer.writeAndFixMessage(carla_get_complete_license_text());

  992. 

  993.         fUiServer.writeAndFixMessage("juce-version");

  994.         fUiServer.writeAndFixMessage(carla_get_juce_version());

  995. 

  996.         fUiServer.writeAndFixMessage("file-exts");

  997.         fUiServer.writeAndFixMessage(carla_get_supported_file_extensions());

  998. 

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

  1000.         std::sprintf(fTmpBuf, "%i\n", pData->maxPluginNumber);

  1001.         fUiServer.writeMessage(fTmpBuf);

  1002. 

  1003.         fUiServer.writeAndFixMessage("buffer-size");

  1004.         std::sprintf(fTmpBuf, "%i\n", pData->bufferSize);

  1005.         fUiServer.writeMessage(fTmpBuf);

  1006. 

  1007.         const ScopedLocale csl;

  1008. 

  1009.         fUiServer.writeAndFixMessage("sample-rate");

  1010.         std::sprintf(fTmpBuf, "%f\n", pData->sampleRate);

  1011.         fUiServer.writeMessage(fTmpBuf);

  1012. 

  1013.         fUiServer.flushMessages();

  1014.     }

  1015. 

  1016.     void uiServerOptions()

  1017.     {

  1018.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

  1019.         CARLA_SAFE_ASSERT_RETURN(fUiServer.isPipeRunning(),);

  1020. 

  1021.         const EngineOptions& options(pData->options);

  1022.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1023. 

  1024.         const char* const optionsForcedStr(fOptionsForced ? "true\n" : "false\n");

  1025.         const std::size_t optionsForcedStrSize(fOptionsForced ? 5 : 6);

  1026. 

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

  1028.         fUiServer.writeMessage(fTmpBuf);

  1029.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

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

  1031.         fUiServer.writeMessage(fTmpBuf);

  1032.         fUiServer.flushMessages();

  1033. 

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

  1035.         fUiServer.writeMessage(fTmpBuf);

  1036.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1037.         std::sprintf(fTmpBuf, "%i\n", options.transportMode);

  1038.         fUiServer.writeMessage(fTmpBuf);

  1039.         fUiServer.flushMessages();

  1040. 

  1041.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  1042.         fUiServer.writeMessage(fTmpBuf);

  1043.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1044.         fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n");

  1045.         fUiServer.flushMessages();

  1046. 

  1047.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  1048.         fUiServer.writeMessage(fTmpBuf);

  1049.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1050.         fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n");

  1051.         fUiServer.flushMessages();

  1052. 

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

  1054.         fUiServer.writeMessage(fTmpBuf);

  1055.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1056.         fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n");

  1057.         fUiServer.flushMessages();

  1058. 

  1059.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  1060.         fUiServer.writeMessage(fTmpBuf);

  1061.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1062.         fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n");

  1063.         fUiServer.flushMessages();

  1064. 

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

  1066.         fUiServer.writeMessage(fTmpBuf);

  1067.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

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

  1069.         fUiServer.writeMessage(fTmpBuf);

  1070.         fUiServer.flushMessages();

  1071. 

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

  1073.         fUiServer.writeMessage(fTmpBuf);

  1074.         fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize);

  1075.         std::sprintf(fTmpBuf, "%i\n", options.uiBridgesTimeout);

  1076.         fUiServer.writeMessage(fTmpBuf);

  1077.         fUiServer.flushMessages();

  1078. 

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

  1080.         fUiServer.writeMessage(fTmpBuf);

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

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

  1083.         fUiServer.writeMessage(fTmpBuf);

  1084.         fUiServer.flushMessages();

  1085. 

  1086.         std::sprintf(fTmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  1087.         fUiServer.writeMessage(fTmpBuf);

  1088.         fUiServer.writeMessage("true\n", 5);

  1089.         std::sprintf(fTmpBuf, "%s\n", options.resourceDir);

  1090.         fUiServer.writeMessage(fTmpBuf);

  1091.         fUiServer.flushMessages();

  1092.     }

  1093. 

  1094.     // -------------------------------------------------------------------

  1095.     // Plugin parameter calls

  1096. 

  1097.     uint32_t getParameterCount() const

  1098.     {

  1099.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1100.             return plugin->getParameterCount();

  1101. 

  1102.         return 0;

  1103.     }

  1104. 

  1105.     const NativeParameter* getParameterInfo(const uint32_t index) const

  1106.     {

  1107.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1108.         {

  1109.             if (index < plugin->getParameterCount())

  1110.             {

  1111.                 static NativeParameter param;

  1112.                 static char strBufName[STR_MAX+1];

  1113.                 static char strBufUnit[STR_MAX+1];

  1114. 

  1115.                 const ParameterData& paramData(plugin->getParameterData(index));

  1116.                 const ParameterRanges& paramRanges(plugin->getParameterRanges(index));

  1117. 

  1118.                 plugin->getParameterName(index, strBufName);

  1119.                 plugin->getParameterUnit(index, strBufUnit);

  1120. 

  1121.                 uint hints = 0x0;

  1122. 

  1123.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  1124.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  1125.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  1126.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  1127.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  1128.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  1129.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  1130.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  1131.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  1132.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  1133.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  1134.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  1135.                 if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)

  1136.                     hints |= NATIVE_PARAMETER_USES_CUSTOM_TEXT;

  1137. 

  1138.                 if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)

  1139.                 {

  1140.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  1141.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  1142.                     if (paramData.type == PARAMETER_OUTPUT)

  1143.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  1144.                 }

  1145. 

  1146.                 param.hints = static_cast<NativeParameterHints>(hints);

  1147.                 param.name  = strBufName;

  1148.                 param.unit  = strBufUnit;

  1149.                 param.ranges.def = paramRanges.def;

  1150.                 param.ranges.min = paramRanges.min;

  1151.                 param.ranges.max = paramRanges.max;

  1152.                 param.ranges.step = paramRanges.step;

  1153.                 param.ranges.stepSmall = paramRanges.stepSmall;

  1154.                 param.ranges.stepLarge = paramRanges.stepLarge;

  1155.                 param.scalePointCount = 0; // TODO

  1156.                 param.scalePoints = nullptr;

  1157. 

  1158.                 return &param;

  1159.             }

  1160.         }

  1161. 

  1162.         return nullptr;

  1163.     }

  1164. 

  1165.     float getParameterValue(const uint32_t index) const

  1166.     {

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

  1168.         {

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

  1170.                 return plugin->getParameterValue(index);

  1171.         }

  1172. 

  1173.         return 0.0f;

  1174.     }

  1175. 

  1176.     const char* getParameterText(const uint32_t index /*, const float value*/) const

  1177.     {

  1178.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1179.         {

  1180.             if (index < plugin->getParameterCount())

  1181.             {

  1182.                 static char strBuf[STR_MAX+1];

  1183.                 carla_zeroChar(strBuf, STR_MAX+1);

  1184. 

  1185.                 plugin->getParameterText(index, /*value,*/ strBuf);

  1186. 

  1187.                 return strBuf;

  1188.             }

  1189.         }

  1190. 

  1191.         return nullptr;

  1192.     }

  1193. 

  1194.     // -------------------------------------------------------------------

  1195.     // Plugin midi-program calls

  1196. 

  1197.     uint32_t getMidiProgramCount() const

  1198.     {

  1199.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1200.             return plugin->getMidiProgramCount();

  1201. 

  1202.         return 0;

  1203.     }

  1204. 

  1205.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1206.     {

  1207.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1208.         {

  1209.             if (index < plugin->getMidiProgramCount())

  1210.             {

  1211.                 static NativeMidiProgram midiProg;

  1212. 

  1213.                 {

  1214.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1215. 

  1216.                     midiProg.bank    = midiProgData.bank;

  1217.                     midiProg.program = midiProgData.program;

  1218.                     midiProg.name    = midiProgData.name;

  1219.                 }

  1220. 

  1221.                 return &midiProg;

  1222.             }

  1223.         }

  1224. 

  1225.         return nullptr;

  1226.     }

  1227. 

  1228.     // -------------------------------------------------------------------

  1229.     // Plugin state calls

  1230. 

  1231.     void setParameterValue(const uint32_t index, const float value)

  1232.     {

  1233.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1234.         {

  1235.             if (index < plugin->getParameterCount())

  1236.                 plugin->setParameterValue(index, value, false, false, false);

  1237.         }

  1238.     }

  1239. 

  1240.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1241.     {

  1242.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1243.             plugin->setMidiProgramById(bank, program, false, false, false);

  1244.     }

  1245. 

  1246.     // -------------------------------------------------------------------

  1247.     // Plugin process calls

  1248. 

  1249.     void activate()

  1250.     {

  1251. #if 0

  1252.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1253.         {

  1254.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1255. 

  1256.             if (plugin == nullptr || ! plugin->isEnabled())

  1257.                 continue;

  1258. 

  1259.             plugin->setActive(true, true, false);

  1260.         }

  1261. #endif

  1262.         fIsActive = true;

  1263.     }

  1264. 

  1265.     void deactivate()

  1266.     {

  1267.         fIsActive = false;

  1268. #if 0

  1269.         for (uint32_t i=0; i < pData->curPluginCount; ++i)

  1270.         {

  1271.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1272. 

  1273.             if (plugin == nullptr || ! plugin->isEnabled())

  1274.                 continue;

  1275. 

  1276.             plugin->setActive(false, true, false);

  1277.         }

  1278. #endif

  1279. 

  1280.         // just in case

  1281.         //runPendingRtEvents();

  1282.     }

  1283. 

  1284.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1285.     {

  1286.         const PendingRtEventsRunner prt(this);

  1287. 

  1288.         // ---------------------------------------------------------------

  1289.         // Time Info

  1290. 

  1291.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1292. 

  1293.         pData->timeInfo.playing = timeInfo->playing;

  1294.         pData->timeInfo.frame   = timeInfo->frame;

  1295.         pData->timeInfo.usecs   = timeInfo->usecs;

  1296.         pData->timeInfo.valid   = 0x0;

  1297. 

  1298.         if (timeInfo->bbt.valid)

  1299.         {

  1300.             pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;

  1301. 

  1302.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

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

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

  1305.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1306. 

  1307.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1308.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1309. 

  1310.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1311.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1312.         }

  1313. 

  1314.         // ---------------------------------------------------------------

  1315.         // Do nothing if no plugins and rack mode

  1316. 

  1317.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1318.         {

  1319.             FloatVectorOperations::copy(outBuffer[0], inBuffer[0], static_cast<int>(frames));

  1320.             FloatVectorOperations::copy(outBuffer[1], inBuffer[1], static_cast<int>(frames));

  1321.             return;

  1322.         }

  1323. 

  1324.         // ---------------------------------------------------------------

  1325.         // initialize events

  1326. 

  1327.         carla_zeroStruct<EngineEvent>(pData->events.in,  kMaxEngineEventInternalCount);

  1328.         carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);

  1329. 

  1330.         // ---------------------------------------------------------------

  1331.         // events input (before processing)

  1332. 

  1333.         {

  1334.             uint32_t engineEventIndex = 0;

  1335. 

  1336.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1337.             {

  1338.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1339.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1340. 

  1341.                 engineEvent.time = midiEvent.time;

  1342.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);

  1343. 

  1344.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1345.                     break;

  1346.             }

  1347.         }

  1348. 

  1349.         if (kIsPatchbay)

  1350.         {

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

  1352.             // process

  1353. 

  1354.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1355.         }

  1356.         else

  1357.         {

  1358.             // -----------------------------------------------------------

  1359.             // create audio buffers

  1360. 

  1361.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1362.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1363. 

  1364.             // -----------------------------------------------------------

  1365.             // process

  1366. 

  1367.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1368.         }

  1369. 

  1370.         // ---------------------------------------------------------------

  1371.         // events output (after processing)

  1372. 

  1373.         carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);

  1374. 

  1375.         {

  1376.             NativeMidiEvent midiEvent;

  1377. 

  1378.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1379.             {

  1380.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1381. 

  1382.                 if (engineEvent.type == kEngineEventTypeNull)

  1383.                     break;

  1384. 

  1385.                 midiEvent.time = engineEvent.time;

  1386. 

  1387.                 if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)

  1388.                 {

  1389.                     midiEvent.port = 0;

  1390.                     engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);

  1391.                 }

  1392.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1393.                 {

  1394.                     if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)

  1395.                         continue;

  1396. 

  1397.                     midiEvent.port = engineEvent.midi.port;

  1398.                     midiEvent.size = engineEvent.midi.size;

  1399. 

  1400.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);

  1401. 

  1402.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1403.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1404.                 }

  1405.                 else

  1406.                 {

  1407.                     carla_stderr("Unknown event type...");

  1408.                     continue;

  1409.                 }

  1410. 

  1411.                 pHost->write_midi_event(pHost->handle, &midiEvent);

  1412.             }

  1413.         }

  1414.     }

  1415. 

  1416.     // -------------------------------------------------------------------

  1417.     // Plugin UI calls

  1418. 

  1419.     void uiShow(const bool show)

  1420.     {

  1421.         if (show)

  1422.         {

  1423.             if (fUiServer.isPipeRunning())

  1424.             {

  1425.                 fUiServer.writeFocusMessage();

  1426.                 return;

  1427.             }

  1428. 

  1429.             CarlaString path(pHost->resourceDir);

  1430. 

  1431.             if (kIsPatchbay)

  1432.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1433.             else

  1434.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1435. #ifdef CARLA_OS_WIN

  1436.             path += ".exe";

  1437. #endif

  1438.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1439. 

  1440.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1441.             fUiServer.startPipeServer(false);

  1442. 

  1443.             uiServerInfo();

  1444.             uiServerOptions();

  1445.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, "Plugin");

  1446. 

  1447.             fUiServer.writeShowMessage();

  1448. 

  1449.             for (uint i=0; i < pData->curPluginCount; ++i)

  1450.             {

  1451.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1452. 

  1453.                 if (plugin != nullptr && plugin->isEnabled())

  1454.                 {

  1455.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());

  1456.                 }

  1457.             }

  1458. 

  1459.             if (kIsPatchbay)

  1460.                 patchbayRefresh(false);

  1461.         }

  1462.         else

  1463.         {

  1464.             fUiServer.stopPipeServer(5000);

  1465.         }

  1466.     }

  1467. 

  1468.     void uiIdle()

  1469.     {

  1470.         CarlaEngine::idle();

  1471.         fUiServer.idlePipe();

  1472. 

  1473.         if (fUiServer.isPipeRunning())

  1474.         {

  1475.             const EngineTimeInfo& timeInfo(pData->timeInfo);

  1476.             const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1477.             const ScopedLocale csl;

  1478. 

  1479. #ifndef CARLA_OS_WIN // FIXME

  1480.             // send transport

  1481.             fUiServer.writeAndFixMessage("transport");

  1482.             fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n");

  1483. 

  1484.             if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1485.             {

  1486.                 std::sprintf(fTmpBuf, P_UINT64 ":%i:%i:%i\n", timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, timeInfo.bbt.tick);

  1487.                 fUiServer.writeMessage(fTmpBuf);

  1488.                 std::sprintf(fTmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1489.                 fUiServer.writeMessage(fTmpBuf);

  1490.             }

  1491.             else

  1492.             {

  1493.                 std::sprintf(fTmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1494.                 fUiServer.writeMessage(fTmpBuf);

  1495.                 fUiServer.writeMessage("0.0\n");

  1496.             }

  1497. 

  1498.             fUiServer.flushMessages();

  1499. #endif

  1500. 

  1501.             // send peaks and param outputs for all plugins

  1502.             for (uint i=0; i < pData->curPluginCount; ++i)

  1503.             {

  1504.                 const EnginePluginData& plugData(pData->plugins[i]);

  1505.                 const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1506. 

  1507.                 std::sprintf(fTmpBuf, "PEAKS_%i\n", i);

  1508.                 fUiServer.writeMessage(fTmpBuf);

  1509. 

  1510.                 std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);

  1511.                 fUiServer.writeMessage(fTmpBuf);

  1512.                 fUiServer.flushMessages();

  1513. 

  1514.                 for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1515.                 {

  1516.                     if (! plugin->isParameterOutput(j))

  1517.                         continue;

  1518. 

  1519.                     std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1520.                     fUiServer.writeMessage(fTmpBuf);

  1521.                     std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));

  1522.                     fUiServer.writeMessage(fTmpBuf);

  1523.                     fUiServer.flushMessages();

  1524.                 }

  1525.             }

  1526.         }

  1527. 

  1528.         switch (fUiServer.getAndResetUiState())

  1529.         {

  1530.         case CarlaExternalUI::UiNone:

  1531.         case CarlaExternalUI::UiShow:

  1532.             break;

  1533.         case CarlaExternalUI::UiCrashed:

  1534.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1535.             break;

  1536.         case CarlaExternalUI::UiHide:

  1537.             pHost->ui_closed(pHost->handle);

  1538.             fUiServer.stopPipeServer(2000);

  1539.             break;

  1540.         }

  1541.     }

  1542. 

  1543.     // -------------------------------------------------------------------

  1544.     // Plugin state calls

  1545. 

  1546.     char* getState() const

  1547.     {

  1548.         MemoryOutputStream out;

  1549.         saveProjectInternal(out);

  1550.         return strdup(out.toString().toRawUTF8());

  1551.     }

  1552. 

  1553.     void setState(const char* const data)

  1554.     {

  1555.         // remove all plugins first, no lock

  1556.         fIsRunning = false;

  1557.         removeAllPlugins();

  1558.         fIsRunning = true;

  1559. 

  1560.         // stopped during removeAllPlugins()

  1561.         if (! pData->thread.isThreadRunning())

  1562.             pData->thread.startThread();

  1563. 

  1564.         fOptionsForced = true;

  1565.         const String state(data);

  1566.         XmlDocument xml(state);

  1567.         loadProjectInternal(xml);

  1568.     }

  1569. 

  1570.     // -------------------------------------------------------------------

  1571. 

  1572. public:

  1573.     #define handlePtr ((CarlaEngineNative*)handle)

  1574. 

  1575.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1576.     {

  1577.         return new CarlaEngineNative(host, false);

  1578.     }

  1579. 

  1580.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1581.     {

  1582.         return new CarlaEngineNative(host, true);

  1583.     }

  1584. 

  1585.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1586.     {

  1587.         return new CarlaEngineNative(host, true, 3, 2);

  1588.     }

  1589. 

  1590.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1591.     {

  1592.         return new CarlaEngineNative(host, true, 16);

  1593.     }

  1594. 

  1595.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1596.     {

  1597.         return new CarlaEngineNative(host, true, 32);

  1598.     }

  1599. 

  1600.     static void _cleanup(NativePluginHandle handle)

  1601.     {

  1602.         delete handlePtr;

  1603.     }

  1604. 

  1605.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1606.     {

  1607.         return handlePtr->getParameterCount();

  1608.     }

  1609. 

  1610.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1611.     {

  1612.         return handlePtr->getParameterInfo(index);

  1613.     }

  1614. 

  1615.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1616.     {

  1617.         return handlePtr->getParameterValue(index);

  1618.     }

  1619. 

  1620.     static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)

  1621.     {

  1622.         return handlePtr->getParameterText(index /*, value*/);

  1623.     }

  1624. 

  1625.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1626.     {

  1627.         return handlePtr->getMidiProgramCount();

  1628.     }

  1629. 

  1630.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1631.     {

  1632.         return handlePtr->getMidiProgramInfo(index);

  1633.     }

  1634. 

  1635.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1636.     {

  1637.         handlePtr->setParameterValue(index, value);

  1638.     }

  1639. 

  1640.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1641.     {

  1642.         handlePtr->setMidiProgram(channel, bank, program);

  1643.     }

  1644. 

  1645.     static void _ui_show(NativePluginHandle handle, bool show)

  1646.     {

  1647.         handlePtr->uiShow(show);

  1648.     }

  1649. 

  1650.     static void _ui_idle(NativePluginHandle handle)

  1651.     {

  1652.         handlePtr->uiIdle();

  1653.     }

  1654. 

  1655.     static void _activate(NativePluginHandle handle)

  1656.     {

  1657.         handlePtr->activate();

  1658.     }

  1659. 

  1660.     static void _deactivate(NativePluginHandle handle)

  1661.     {

  1662.         handlePtr->deactivate();

  1663.     }

  1664. 

  1665.     static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1666.     {

  1667.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1668.     }

  1669. 

  1670.     static char* _get_state(NativePluginHandle handle)

  1671.     {

  1672.         return handlePtr->getState();

  1673.     }

  1674. 

  1675.     static void _set_state(NativePluginHandle handle, const char* data)

  1676.     {

  1677.         handlePtr->setState(data);

  1678.     }

  1679. 

  1680.     static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1681.     {

  1682.         switch(opcode)

  1683.         {

  1684.         case NATIVE_PLUGIN_OPCODE_NULL:

  1685.             return 0;

  1686.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1687.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1688.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1689.             return 0;

  1690.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1691.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0, 0);

  1692.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1693.             return 0;

  1694.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1695.             handlePtr->offlineModeChanged(value != 0);

  1696.             return 0;

  1697.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1698.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1699.             return 0;

  1700.         }

  1701. 

  1702.         return 0;

  1703. 

  1704.         // unused

  1705.         (void)index;

  1706.         (void)ptr;

  1707.     }

  1708. 

  1709.     // -------------------------------------------------------------------

  1710. 

  1711.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)

  1712.     {

  1713.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);

  1714.     }

  1715. 

  1716.     // -------------------------------------------------------------------

  1717. 

  1718.     #undef handlePtr

  1719. 

  1720. private:

  1721.     const NativeHostDescriptor* const pHost;

  1722. 

  1723.     const bool kIsPatchbay; // rack if false

  1724.     bool fIsActive, fIsRunning;

  1725.     CarlaEngineNativeUI fUiServer;

  1726. 

  1727.     bool fOptionsForced;

  1728.     char fTmpBuf[STR_MAX+1];

  1729. 

  1730.     CarlaPlugin* _getFirstPlugin() const noexcept

  1731.     {

  1732.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1733.             return nullptr;

  1734. 

  1735.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1736. 

  1737.         if (plugin == nullptr || ! plugin->isEnabled())

  1738.             return nullptr;

  1739. 

  1740.         return pData->plugins[0].plugin;

  1741.     }

  1742. 

  1743.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1744. };

  1745. 

  1746. // -----------------------------------------------------------------------

  1747. 

  1748. static const NativePluginDescriptor carlaRackDesc = {

  1749.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1750.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1751.                                                   |NATIVE_PLUGIN_HAS_UI

  1752.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1753.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1754.                                                   |NATIVE_PLUGIN_USES_STATE

  1755.                                                   |NATIVE_PLUGIN_USES_TIME),

  1756.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1757.     /* audioIns  */ 2,

  1758.     /* audioOuts */ 2,

  1759.     /* midiIns   */ 1,

  1760.     /* midiOuts  */ 1,

  1761.     /* paramIns  */ 0,

  1762.     /* paramOuts */ 0,

  1763.     /* name      */ "Carla-Rack",

  1764.     /* label     */ "carlarack",

  1765.     /* maker     */ "falkTX",

  1766.     /* copyright */ "GNU GPL v2+",

  1767.     CarlaEngineNative::_instantiateRack,

  1768.     CarlaEngineNative::_cleanup,

  1769.     CarlaEngineNative::_get_parameter_count,

  1770.     CarlaEngineNative::_get_parameter_info,

  1771.     CarlaEngineNative::_get_parameter_value,

  1772.     CarlaEngineNative::_get_parameter_text,

  1773.     CarlaEngineNative::_get_midi_program_count,

  1774.     CarlaEngineNative::_get_midi_program_info,

  1775.     CarlaEngineNative::_set_parameter_value,

  1776.     CarlaEngineNative::_set_midi_program,

  1777.     /* _set_custom_data        */ nullptr,

  1778.     CarlaEngineNative::_ui_show,

  1779.     CarlaEngineNative::_ui_idle,

  1780.     /* _ui_set_parameter_value */ nullptr,

  1781.     /* _ui_set_midi_program    */ nullptr,

  1782.     /* _ui_set_custom_data     */ nullptr,

  1783.     CarlaEngineNative::_activate,

  1784.     CarlaEngineNative::_deactivate,

  1785.     CarlaEngineNative::_process,

  1786.     CarlaEngineNative::_get_state,

  1787.     CarlaEngineNative::_set_state,

  1788.     CarlaEngineNative::_dispatcher

  1789. };

  1790. 

  1791. static const NativePluginDescriptor carlaPatchbayDesc = {

  1792.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1793.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1794.                                                   |NATIVE_PLUGIN_HAS_UI

  1795.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1796.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1797.                                                   |NATIVE_PLUGIN_USES_STATE

  1798.                                                   |NATIVE_PLUGIN_USES_TIME),

  1799.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1800.     /* audioIns  */ 2,

  1801.     /* audioOuts */ 2,

  1802.     /* midiIns   */ 1,

  1803.     /* midiOuts  */ 1,

  1804.     /* paramIns  */ 0,

  1805.     /* paramOuts */ 0,

  1806.     /* name      */ "Carla-Patchbay",

  1807.     /* label     */ "carlapatchbay",

  1808.     /* maker     */ "falkTX",

  1809.     /* copyright */ "GNU GPL v2+",

  1810.     CarlaEngineNative::_instantiatePatchbay,

  1811.     CarlaEngineNative::_cleanup,

  1812.     CarlaEngineNative::_get_parameter_count,

  1813.     CarlaEngineNative::_get_parameter_info,

  1814.     CarlaEngineNative::_get_parameter_value,

  1815.     CarlaEngineNative::_get_parameter_text,

  1816.     CarlaEngineNative::_get_midi_program_count,

  1817.     CarlaEngineNative::_get_midi_program_info,

  1818.     CarlaEngineNative::_set_parameter_value,

  1819.     CarlaEngineNative::_set_midi_program,

  1820.     /* _set_custom_data        */ nullptr,

  1821.     CarlaEngineNative::_ui_show,

  1822.     CarlaEngineNative::_ui_idle,

  1823.     /* _ui_set_parameter_value */ nullptr,

  1824.     /* _ui_set_midi_program    */ nullptr,

  1825.     /* _ui_set_custom_data     */ nullptr,

  1826.     CarlaEngineNative::_activate,

  1827.     CarlaEngineNative::_deactivate,

  1828.     CarlaEngineNative::_process,

  1829.     CarlaEngineNative::_get_state,

  1830.     CarlaEngineNative::_set_state,

  1831.     CarlaEngineNative::_dispatcher

  1832. };

  1833. 

  1834. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  1835.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1836.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1837.                                                   |NATIVE_PLUGIN_HAS_UI

  1838.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1839.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1840.                                                   |NATIVE_PLUGIN_USES_STATE

  1841.                                                   |NATIVE_PLUGIN_USES_TIME),

  1842.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1843.     /* audioIns  */ 3,

  1844.     /* audioOuts */ 2,

  1845.     /* midiIns   */ 1,

  1846.     /* midiOuts  */ 1,

  1847.     /* paramIns  */ 0,

  1848.     /* paramOuts */ 0,

  1849.     /* name      */ "Carla-Patchbay (sidechain)",

  1850.     /* label     */ "carlapatchbay3s",

  1851.     /* maker     */ "falkTX",

  1852.     /* copyright */ "GNU GPL v2+",

  1853.     CarlaEngineNative::_instantiatePatchbay3s,

  1854.     CarlaEngineNative::_cleanup,

  1855.     CarlaEngineNative::_get_parameter_count,

  1856.     CarlaEngineNative::_get_parameter_info,

  1857.     CarlaEngineNative::_get_parameter_value,

  1858.     CarlaEngineNative::_get_parameter_text,

  1859.     CarlaEngineNative::_get_midi_program_count,

  1860.     CarlaEngineNative::_get_midi_program_info,

  1861.     CarlaEngineNative::_set_parameter_value,

  1862.     CarlaEngineNative::_set_midi_program,

  1863.     /* _set_custom_data        */ nullptr,

  1864.     CarlaEngineNative::_ui_show,

  1865.     CarlaEngineNative::_ui_idle,

  1866.     /* _ui_set_parameter_value */ nullptr,

  1867.     /* _ui_set_midi_program    */ nullptr,

  1868.     /* _ui_set_custom_data     */ nullptr,

  1869.     CarlaEngineNative::_activate,

  1870.     CarlaEngineNative::_deactivate,

  1871.     CarlaEngineNative::_process,

  1872.     CarlaEngineNative::_get_state,

  1873.     CarlaEngineNative::_set_state,

  1874.     CarlaEngineNative::_dispatcher

  1875. };

  1876. 

  1877. static const NativePluginDescriptor carlaPatchbay16Desc = {

  1878.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1879.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1880.                                                   |NATIVE_PLUGIN_HAS_UI

  1881.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1882.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1883.                                                   |NATIVE_PLUGIN_USES_STATE

  1884.                                                   |NATIVE_PLUGIN_USES_TIME),

  1885.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1886.     /* audioIns  */ 16,

  1887.     /* audioOuts */ 16,

  1888.     /* midiIns   */ 1,

  1889.     /* midiOuts  */ 1,

  1890.     /* paramIns  */ 0,

  1891.     /* paramOuts */ 0,

  1892.     /* name      */ "Carla-Patchbay (16chan)",

  1893.     /* label     */ "carlapatchbay16",

  1894.     /* maker     */ "falkTX",

  1895.     /* copyright */ "GNU GPL v2+",

  1896.     CarlaEngineNative::_instantiatePatchbay16,

  1897.     CarlaEngineNative::_cleanup,

  1898.     CarlaEngineNative::_get_parameter_count,

  1899.     CarlaEngineNative::_get_parameter_info,

  1900.     CarlaEngineNative::_get_parameter_value,

  1901.     CarlaEngineNative::_get_parameter_text,

  1902.     CarlaEngineNative::_get_midi_program_count,

  1903.     CarlaEngineNative::_get_midi_program_info,

  1904.     CarlaEngineNative::_set_parameter_value,

  1905.     CarlaEngineNative::_set_midi_program,

  1906.     /* _set_custom_data        */ nullptr,

  1907.     CarlaEngineNative::_ui_show,

  1908.     CarlaEngineNative::_ui_idle,

  1909.     /* _ui_set_parameter_value */ nullptr,

  1910.     /* _ui_set_midi_program    */ nullptr,

  1911.     /* _ui_set_custom_data     */ nullptr,

  1912.     CarlaEngineNative::_activate,

  1913.     CarlaEngineNative::_deactivate,

  1914.     CarlaEngineNative::_process,

  1915.     CarlaEngineNative::_get_state,

  1916.     CarlaEngineNative::_set_state,

  1917.     CarlaEngineNative::_dispatcher

  1918. };

  1919. 

  1920. static const NativePluginDescriptor carlaPatchbay32Desc = {

  1921.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  1922.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  1923.                                                   |NATIVE_PLUGIN_HAS_UI

  1924.                                                   |NATIVE_PLUGIN_NEEDS_FIXED_BUFFERS

  1925.                                                   |NATIVE_PLUGIN_NEEDS_SINGLE_THREAD

  1926.                                                   |NATIVE_PLUGIN_USES_STATE

  1927.                                                   |NATIVE_PLUGIN_USES_TIME),

  1928.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  1929.     /* audioIns  */ 32,

  1930.     /* audioOuts */ 32,

  1931.     /* midiIns   */ 1,

  1932.     /* midiOuts  */ 1,

  1933.     /* paramIns  */ 0,

  1934.     /* paramOuts */ 0,

  1935.     /* name      */ "Carla-Patchbay (32chan)",

  1936.     /* label     */ "carlapatchbay32",

  1937.     /* maker     */ "falkTX",

  1938.     /* copyright */ "GNU GPL v2+",

  1939.     CarlaEngineNative::_instantiatePatchbay32,

  1940.     CarlaEngineNative::_cleanup,

  1941.     CarlaEngineNative::_get_parameter_count,

  1942.     CarlaEngineNative::_get_parameter_info,

  1943.     CarlaEngineNative::_get_parameter_value,

  1944.     CarlaEngineNative::_get_parameter_text,

  1945.     CarlaEngineNative::_get_midi_program_count,

  1946.     CarlaEngineNative::_get_midi_program_info,

  1947.     CarlaEngineNative::_set_parameter_value,

  1948.     CarlaEngineNative::_set_midi_program,

  1949.     /* _set_custom_data        */ nullptr,

  1950.     CarlaEngineNative::_ui_show,

  1951.     CarlaEngineNative::_ui_idle,

  1952.     /* _ui_set_parameter_value */ nullptr,

  1953.     /* _ui_set_midi_program    */ nullptr,

  1954.     /* _ui_set_custom_data     */ nullptr,

  1955.     CarlaEngineNative::_activate,

  1956.     CarlaEngineNative::_deactivate,

  1957.     CarlaEngineNative::_process,

  1958.     CarlaEngineNative::_get_state,

  1959.     CarlaEngineNative::_set_state,

  1960.     CarlaEngineNative::_dispatcher

  1961. };

  1962. 

  1963. CARLA_BACKEND_END_NAMESPACE

  1964. 

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

  1966. 

  1967. CARLA_EXPORT

  1968. void carla_register_native_plugin_carla();

  1969. 

  1970. void carla_register_native_plugin_carla()

  1971. {

  1972.     CARLA_BACKEND_USE_NAMESPACE;

  1973.     carla_register_native_plugin(&carlaRackDesc);

  1974.     carla_register_native_plugin(&carlaPatchbayDesc);

  1975.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  1976.     carla_register_native_plugin(&carlaPatchbay16Desc);

  1977.     carla_register_native_plugin(&carlaPatchbay32Desc);

  1978. }

  1979. 

  1980. // -----------------------------------------------------------------------

  1981. 

  1982. CARLA_EXPORT

  1983. const NativePluginDescriptor* carla_get_native_rack_plugin();

  1984. const NativePluginDescriptor* carla_get_native_rack_plugin()

  1985. {

  1986.     // if this is called then we're running as special plugin

  1987.     gNeedsJuceHandling = true;

  1988. 

  1989.     CARLA_BACKEND_USE_NAMESPACE;

  1990.     return &carlaRackDesc;

  1991. }

  1992. 

  1993. CARLA_EXPORT

  1994. const NativePluginDescriptor* carla_get_native_patchbay_plugin();

  1995. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  1996. {

  1997.     // if this is called then we're running as special plugin

  1998.     gNeedsJuceHandling = true;

  1999. 

  2000.     CARLA_BACKEND_USE_NAMESPACE;

  2001.     return &carlaPatchbayDesc;

  2002. }

  2003. 

  2004. // -----------------------------------------------------------------------

  2005. // Extra stuff for linking purposes

  2006. 

  2007. #ifdef CARLA_PLUGIN_EXPORT

  2008. 

  2009. CARLA_BACKEND_START_NAMESPACE

  2010. 

  2011. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2012. 

  2013. # if defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN)

  2014. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2015. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2016. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2017. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2018. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2019. # else

  2020. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2021. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2022. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2023. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2024. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2025. # endif

  2026. 

  2027. CARLA_BACKEND_END_NAMESPACE

  2028. 

  2029. #include "CarlaHostCommon.cpp"

  2030. #include "CarlaPluginUI.cpp"

  2031. #include "CarlaDssiUtils.cpp"

  2032. #include "CarlaPatchbayUtils.cpp"

  2033. #include "CarlaPipeUtils.cpp"

  2034. #include "CarlaStateUtils.cpp"

  2035. #include "CarlaJuceEvents.cpp"

  2036. 

  2037. #endif

  2038. 

  2039. // -----------------------------------------------------------------------