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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) 2011-2019 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_ALTERNATIVE_ARCH

  21. # error This file should not be compiled if building alternative-arch bridges

  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. #include "CarlaNativePlugin.h"

  37. 

  38. #if defined(USING_JUCE) && ! (defined(CARLA_OS_MAC) || defined(CARLA_OS_WIN))

  39. # if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  40. #  pragma GCC diagnostic push

  41. #  pragma GCC diagnostic ignored "-Wconversion"

  42. #  pragma GCC diagnostic ignored "-Weffc++"

  43. #  pragma GCC diagnostic ignored "-Wsign-conversion"

  44. #  pragma GCC diagnostic ignored "-Wundef"

  45. #  pragma GCC diagnostic ignored "-Wzero-as-null-pointer-constant"

  46. # endif

  47. # include "AppConfig.h"

  48. # include "juce_events/juce_events.h"

  49. # define USE_JUCE_MESSAGE_THREAD

  50. # if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))

  51. #  pragma GCC diagnostic pop

  52. # endif

  53. #endif

  54. 

  55. #include "water/files/File.h"

  56. #include "water/streams/MemoryOutputStream.h"

  57. #include "water/xml/XmlDocument.h"

  58. #include "water/xml/XmlElement.h"

  59. 

  60. using water::File;

  61. using water::MemoryOutputStream;

  62. using water::String;

  63. using water::XmlDocument;

  64. using water::XmlElement;

  65. 

  66. CARLA_BACKEND_START_NAMESPACE

  67. 

  68. static const uint32_t kNumInParams = 100;

  69. static const uint32_t kNumOutParams = 110;

  70. 

  71. // -----------------------------------------------------------------------

  72. 

  73. #ifdef USE_JUCE_MESSAGE_THREAD

  74. static int numScopedInitInstances = 0;

  75. 

  76. class SharedJuceMessageThread : public juce::Thread

  77. {

  78. public:

  79.     SharedJuceMessageThread()

  80.       : juce::Thread ("SharedJuceMessageThread"),

  81.         initialised (false) {}

  82. 

  83.     ~SharedJuceMessageThread()

  84.     {

  85.         CARLA_SAFE_ASSERT(numScopedInitInstances == 0);

  86. 

  87.         // in case something fails

  88.         juce::MessageManager::getInstance()->stopDispatchLoop();

  89.         waitForThreadToExit (5000);

  90.     }

  91. 

  92.     void incRef()

  93.     {

  94.         if (numScopedInitInstances++ == 0)

  95.         {

  96.             startThread (7);

  97. 

  98.             while (! initialised)

  99.                 juce::Thread::sleep (1);

  100.         }

  101.     }

  102. 

  103.     void decRef()

  104.     {

  105.         if (--numScopedInitInstances == 0)

  106.         {

  107.             juce::MessageManager::getInstance()->stopDispatchLoop();

  108.             waitForThreadToExit (5000);

  109.         }

  110.     }

  111. 

  112. protected:

  113.     void run() override

  114.     {

  115.         const juce::ScopedJuceInitialiser_GUI juceInitialiser;

  116. 

  117.         juce::MessageManager::getInstance()->setCurrentThreadAsMessageThread();

  118.         initialised = true;

  119. 

  120.         juce::MessageManager::getInstance()->runDispatchLoop();

  121.     }

  122. 

  123. private:

  124.     volatile bool initialised;

  125. 

  126.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(SharedJuceMessageThread);

  127. };

  128. #endif

  129. 

  130. // -----------------------------------------------------------------------

  131. 

  132. class CarlaEngineNative;

  133. 

  134. class CarlaEngineNativeUI : public CarlaExternalUI

  135. {

  136. public:

  137.     CarlaEngineNativeUI(CarlaEngineNative* const engine)

  138.         : fEngine(engine)

  139.     {

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

  141.     }

  142. 

  143.     ~CarlaEngineNativeUI() noexcept override

  144.     {

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

  146.     }

  147. 

  148. protected:

  149.     bool msgReceived(const char* const msg) noexcept override;

  150. 

  151. private:

  152.     CarlaEngineNative* const fEngine;

  153. 

  154.     void _updateParamValues(CarlaPlugin* const plugin, const uint32_t pluginId,

  155.                             const bool sendCallback, const bool sendPluginHost) const noexcept;

  156. 

  157.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)

  158. };

  159. 

  160. // -----------------------------------------------------------------------

  161. 

  162. class CarlaEngineNative : public CarlaEngine

  163. {

  164. public:

  165.     CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay, const bool withMidiOut,

  166.                       const uint32_t inChan = 2, uint32_t outChan = 2)

  167.         : CarlaEngine(),

  168.           pHost(host),

  169. #ifdef USE_JUCE_MESSAGE_THREAD

  170.           // if not running inside Carla, we will have to run event loop ourselves

  171.           kNeedsJuceMsgThread(host->dispatcher(pHost->handle,

  172.                                                NATIVE_HOST_OPCODE_INTERNAL_PLUGIN, 0, 0, nullptr, 0.0f) == 0),

  173.           fJuceMsgThread(),

  174. #endif

  175.           kIsPatchbay(isPatchbay),

  176.           kHasMidiOut(withMidiOut),

  177.           fIsActive(false),

  178.           fIsRunning(false),

  179.           fUiServer(this),

  180.           fOptionsForced(false)

  181.     {

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

  183. 

  184.         carla_zeroFloats(fParameters, kNumInParams+kNumOutParams);

  185. 

  186. #ifdef USE_JUCE_MESSAGE_THREAD

  187.         if (kNeedsJuceMsgThread)

  188.             fJuceMsgThread->incRef();

  189. #endif

  190. 

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

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

  193.         pData->initTime(nullptr);

  194. 

  195. #ifndef BUILD_BRIDGE

  196.         // Forced OSC setup when running as plugin

  197.         pData->options.oscEnabled = true;

  198.         pData->options.oscPortTCP = -1;

  199.         pData->options.oscPortUDP = 0;

  200. #endif

  201. 

  202.         if (outChan == 0)

  203.             outChan = inChan;

  204. 

  205.         // set-up engine

  206.         if (kIsPatchbay)

  207.         {

  208.             pData->options.processMode         = ENGINE_PROCESS_MODE_PATCHBAY;

  209.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  210.             pData->options.forceStereo         = false;

  211.             pData->options.preferPluginBridges = false;

  212.             pData->options.preferUiBridges     = false;

  213.             init("Carla-Patchbay");

  214.             pData->graph.create(inChan, outChan);

  215.         }

  216.         else

  217.         {

  218.             CARLA_SAFE_ASSERT(inChan == 2);

  219.             CARLA_SAFE_ASSERT(outChan == 2);

  220.             pData->options.processMode         = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;

  221.             pData->options.transportMode       = ENGINE_TRANSPORT_MODE_PLUGIN;

  222.             pData->options.forceStereo         = true;

  223.             pData->options.preferPluginBridges = false;

  224.             pData->options.preferUiBridges     = false;

  225.             init("Carla-Rack");

  226.             pData->graph.create(0, 0); // FIXME?

  227.         }

  228. 

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

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

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

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

  233. 

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

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

  236. 

  237.         setCallback(_ui_server_callback, this);

  238.         setFileCallback(_ui_file_callback, this);

  239.     }

  240. 

  241.     ~CarlaEngineNative() override

  242.     {

  243.         CARLA_SAFE_ASSERT(! fIsActive);

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

  245. 

  246.         pData->aboutToClose = true;

  247.         fIsRunning = false;

  248. 

  249.         removeAllPlugins();

  250.         //runPendingRtEvents();

  251.         close();

  252. 

  253.         pData->graph.destroy();

  254. 

  255. #ifdef USE_JUCE_MESSAGE_THREAD

  256.         if (kNeedsJuceMsgThread)

  257.             fJuceMsgThread->decRef();

  258. #endif

  259. 

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

  261.     }

  262. 

  263.     // -------------------------------------

  264.     // CarlaEngine virtual calls

  265. 

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

  267.     {

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

  269. 

  270.         fIsRunning = true;

  271. 

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

  273.         {

  274.             close();

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

  276.             return false;

  277.         }

  278. 

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

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

  281. 

  282.         return true;

  283.     }

  284. 

  285.     bool close() override

  286.     {

  287.         fIsRunning = false;

  288.         CarlaEngine::close();

  289.         return true;

  290.     }

  291. 

  292.     bool isRunning() const noexcept override

  293.     {

  294.         return fIsRunning;

  295.     }

  296. 

  297.     bool isOffline() const noexcept override

  298.     {

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

  300.     }

  301. 

  302.     bool usesConstantBufferSize() const noexcept override

  303.     {

  304.         // TODO LV2 hosts can report this, till then we allow this

  305.         return true;

  306.     }

  307. 

  308.     EngineType getType() const noexcept override

  309.     {

  310.         return kEngineTypePlugin;

  311.     }

  312. 

  313.     const char* getCurrentDriverName() const noexcept override

  314.     {

  315.         return "Plugin";

  316.     }

  317. 

  318.     void callback(const bool sendHost, const bool sendOsc,

  319.                   const EngineCallbackOpcode action, const uint pluginId,

  320.                   const int value1, const int value2, const int value3,

  321.                   const float valuef, const char* const valueStr) noexcept override

  322.     {

  323.         CarlaEngine::callback(sendHost, sendOsc, action, pluginId, value1, value2, value3, valuef, valueStr);

  324. 

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

  326.             pHost->dispatcher(pHost->handle,

  327.                               NATIVE_HOST_OPCODE_HOST_IDLE,

  328.                               0, 0, nullptr, 0.0f);

  329.         }

  330.     }

  331. 

  332.     // -------------------------------------------------------------------

  333. 

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

  335.     {

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

  337.         {

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

  339.             return retName;

  340.         }

  341. 

  342.         return nullptr;

  343.     }

  344. 

  345.     // -------------------------------------------------------------------

  346. 

  347.     void setParameterValueFromUI(const uint32_t pluginId, const uint32_t index, const float value)

  348.     {

  349.         if (pluginId != 0)

  350.             return;

  351. 

  352.         fParameters[index] = value;

  353.         pHost->ui_parameter_changed(pHost->handle, index, value);

  354.     }

  355. 

  356.     void reloadFromUI()

  357.     {

  358.         carla_zeroFloats(fParameters, kNumInParams+kNumOutParams);

  359.         pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_RELOAD_ALL, 0, 0, nullptr, 0.0f);

  360.     }

  361. 

  362. protected:

  363.     // -------------------------------------------------------------------

  364. 

  365.     void bufferSizeChanged(const uint32_t newBufferSize)

  366.     {

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

  368.             return;

  369. 

  370.         {

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

  372. 

  373.             if (fUiServer.writeAndFixMessage("buffer-size"))

  374.             {

  375.                 char tmpBuf[STR_MAX];

  376.                 carla_zeroChars(tmpBuf, STR_MAX);

  377. 

  378.                 std::sprintf(tmpBuf, "%i\n", newBufferSize);

  379. 

  380.                 if (fUiServer.writeMessage(tmpBuf))

  381.                     fUiServer.flushMessages();

  382.             }

  383.         }

  384. 

  385.         pData->bufferSize = newBufferSize;

  386.         CarlaEngine::bufferSizeChanged(newBufferSize);

  387.     }

  388. 

  389.     void sampleRateChanged(const double newSampleRate)

  390.     {

  391.         if (carla_isEqual(pData->sampleRate, newSampleRate))

  392.             return;

  393. 

  394.         {

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

  396. 

  397.             if (fUiServer.writeAndFixMessage("sample-rate"))

  398.             {

  399.                 char tmpBuf[STR_MAX];

  400.                 carla_zeroChars(tmpBuf, STR_MAX);

  401. 

  402.                 {

  403.                     const CarlaScopedLocale csl;

  404.                     std::sprintf(tmpBuf, "%f\n", newSampleRate);

  405.                 }

  406. 

  407.                 if (fUiServer.writeMessage(tmpBuf))

  408.                     fUiServer.flushMessages();

  409.             }

  410.         }

  411. 

  412.         pData->sampleRate = newSampleRate;

  413.         CarlaEngine::sampleRateChanged(newSampleRate);

  414.     }

  415. 

  416.     // -------------------------------------------------------------------

  417. 

  418.     void uiServerSendPluginInfo(CarlaPlugin* const plugin)

  419.     {

  420.         char tmpBuf[STR_MAX];

  421.         carla_zeroChars(tmpBuf, STR_MAX);

  422. 

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

  424. 

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

  426. 

  427.         std::sprintf(tmpBuf, "PLUGIN_INFO_%i\n", pluginId);

  428.         if (! fUiServer.writeMessage(tmpBuf))

  429.             return;

  430. 

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

  432.         if (! fUiServer.writeMessage(tmpBuf))

  433.             return;

  434. 

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

  436.         {

  437.             std::sprintf(tmpBuf, "%s", filename);

  438.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  439.                 return;

  440.         }

  441.         else

  442.         {

  443.             if (! fUiServer.writeMessage("\n"))

  444.                 return;

  445.         }

  446. 

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

  448.         {

  449.             std::sprintf(tmpBuf, "%s", name);

  450.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  451.                 return;

  452.         }

  453.         else

  454.         {

  455.             if (! fUiServer.writeMessage("\n"))

  456.                 return;

  457.         }

  458. 

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

  460.         {

  461.             std::sprintf(tmpBuf, "%s", iconName);

  462.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  463.                 return;

  464.         }

  465.         else

  466.         {

  467.             if (! fUiServer.writeMessage("\n"))

  468.                 return;

  469.         }

  470. 

  471.         plugin->getRealName(tmpBuf);

  472.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  473.             return;

  474. 

  475.         plugin->getLabel(tmpBuf);

  476.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  477.             return;

  478. 

  479.         plugin->getMaker(tmpBuf);

  480.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  481.             return;

  482. 

  483.         plugin->getCopyright(tmpBuf);

  484.         if (! fUiServer.writeAndFixMessage(tmpBuf))

  485.             return;

  486. 

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

  488.         if (! fUiServer.writeMessage(tmpBuf))

  489.             return;

  490. 

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

  492.         if (! fUiServer.writeMessage(tmpBuf))

  493.             return;

  494. 

  495.         fUiServer.flushMessages();

  496.     }

  497. 

  498.     void uiServerSendPluginParameters(CarlaPlugin* const plugin)

  499.     {

  500.         char tmpBuf[STR_MAX];

  501.         carla_zeroChars(tmpBuf, STR_MAX);

  502. 

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

  504.         const CarlaScopedLocale csl;

  505. 

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

  507. 

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

  509.         {

  510.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  511.             if (! fUiServer.writeMessage(tmpBuf))

  512.                 return;

  513. 

  514.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getInternalParameterValue(i)));

  515.             if (! fUiServer.writeMessage(tmpBuf))

  516.                 return;

  517. 

  518.             fUiServer.flushMessages();

  519.         }

  520. 

  521.         uint32_t ins, outs, count;

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

  523.         count = plugin->getParameterCount();

  524. 

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

  526.         if (! fUiServer.writeMessage(tmpBuf))

  527.             return;

  528. 

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

  530.         {

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

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

  533. 

  534.             std::sprintf(tmpBuf, "PARAMETER_DATA_%i:%i\n", pluginId, i);

  535.             if (! fUiServer.writeMessage(tmpBuf))

  536.                 return;

  537. 

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

  539.             if (! fUiServer.writeMessage(tmpBuf))

  540.                 return;

  541. 

  542.             plugin->getParameterName(i, tmpBuf);

  543.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  544.                 return;

  545. 

  546.             plugin->getParameterUnit(i, tmpBuf);

  547.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  548.                 return;

  549. 

  550.             std::sprintf(tmpBuf, "PARAMETER_RANGES_%i:%i\n", pluginId, i);

  551.             if (! fUiServer.writeMessage(tmpBuf))

  552.                 return;

  553. 

  554.             std::sprintf(tmpBuf, "%f:%f:%f:%f:%f:%f\n",

  555.                          static_cast<double>(paramRanges.def),

  556.                          static_cast<double>(paramRanges.min),

  557.                          static_cast<double>(paramRanges.max),

  558.                          static_cast<double>(paramRanges.step),

  559.                          static_cast<double>(paramRanges.stepSmall),

  560.                          static_cast<double>(paramRanges.stepLarge));

  561.             if (! fUiServer.writeMessage(tmpBuf))

  562.                 return;

  563. 

  564.             std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);

  565.             if (! fUiServer.writeMessage(tmpBuf))

  566.                 return;

  567. 

  568.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(i)));

  569.             if (! fUiServer.writeMessage(tmpBuf))

  570.                 return;

  571.         }

  572. 

  573.         fUiServer.flushMessages();

  574.     }

  575. 

  576.     void uiServerSendPluginPrograms(CarlaPlugin* const plugin)

  577.     {

  578.         char tmpBuf[STR_MAX];

  579.         carla_zeroChars(tmpBuf, STR_MAX);

  580. 

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

  582. 

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

  584. 

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

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

  587.         if (! fUiServer.writeMessage(tmpBuf))

  588.             return;

  589. 

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

  591.         {

  592.             std::sprintf(tmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);

  593.             if (! fUiServer.writeMessage(tmpBuf))

  594.                 return;

  595. 

  596.             plugin->getProgramName(i, tmpBuf);

  597.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  598.                 return;

  599.         }

  600. 

  601.         fUiServer.flushMessages();

  602. 

  603.         count = plugin->getMidiProgramCount();

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

  605.         if (! fUiServer.writeMessage(tmpBuf))

  606.             return;

  607. 

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

  609.         {

  610.             std::sprintf(tmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);

  611.             if (! fUiServer.writeMessage(tmpBuf))

  612.                 return;

  613. 

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

  615. 

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

  617.             if (! fUiServer.writeMessage(tmpBuf))

  618.                 return;

  619. 

  620.             std::sprintf(tmpBuf, "%s", mpData.name);

  621.             if (! fUiServer.writeAndFixMessage(tmpBuf))

  622.                 return;

  623.         }

  624. 

  625.         fUiServer.flushMessages();

  626.     }

  627. 

  628.     void uiServerSendPluginProperties(CarlaPlugin* const plugin)

  629.     {

  630.         char tmpBuf[STR_MAX];

  631.         carla_zeroChars(tmpBuf, STR_MAX);

  632. 

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

  634. 

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

  636. 

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

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

  639.         if (! fUiServer.writeMessage(tmpBuf))

  640.             return;

  641. 

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

  643.         {

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

  645.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  646. 

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

  648.                 continue;

  649. 

  650.             std::sprintf(tmpBuf, "CUSTOM_DATA_%i:%i\n", pluginId, i);

  651.             if (! fUiServer.writeMessage(tmpBuf))

  652.                 return;

  653. 

  654.             if (! fUiServer.writeAndFixMessage(customData.type))

  655.                 return;

  656.             if (! fUiServer.writeAndFixMessage(customData.key))

  657.                 return;

  658.             if (! fUiServer.writeAndFixMessage(customData.value))

  659.                 return;

  660.         }

  661. 

  662.         fUiServer.flushMessages();

  663.     }

  664. 

  665.     void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId,

  666.                           const int value1, const int value2, const int value3,

  667.                           const float valuef, const char* const valueStr)

  668.     {

  669.         if (! fIsRunning)

  670.             return;

  671.         if (! fUiServer.isPipeRunning())

  672.             return;

  673. 

  674.         CarlaPlugin* plugin;

  675. 

  676.         switch (action)

  677.         {

  678.         case ENGINE_CALLBACK_UPDATE:

  679.             plugin = getPlugin(pluginId);

  680. 

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

  682.             {

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

  684.                 uiServerSendPluginProperties(plugin);

  685.             }

  686.             break;

  687. 

  688.         case ENGINE_CALLBACK_RELOAD_INFO:

  689.             plugin = getPlugin(pluginId);

  690. 

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

  692.             {

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

  694.                 uiServerSendPluginInfo(plugin);

  695.             }

  696.             break;

  697. 

  698.         case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  699.             plugin = getPlugin(pluginId);

  700. 

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

  702.             {

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

  704.                 uiServerSendPluginParameters(plugin);

  705.             }

  706.             break;

  707. 

  708.         case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  709.             plugin = getPlugin(pluginId);

  710. 

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

  712.             {

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

  714.                 uiServerSendPluginPrograms(plugin);

  715.             }

  716.             break;

  717. 

  718.         case ENGINE_CALLBACK_RELOAD_ALL:

  719.         case ENGINE_CALLBACK_PLUGIN_ADDED:

  720.             plugin = getPlugin(pluginId);

  721. 

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

  723.             {

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

  725.                 uiServerSendPluginInfo(plugin);

  726.                 uiServerSendPluginParameters(plugin);

  727.                 uiServerSendPluginPrograms(plugin);

  728.                 uiServerSendPluginProperties(plugin);

  729.             }

  730.             break;

  731. 

  732.         default:

  733.             break;

  734.         }

  735. 

  736.         char tmpBuf[STR_MAX];

  737.         carla_zeroChars(tmpBuf, STR_MAX);

  738. 

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

  740. 

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

  742.         if (! fUiServer.writeMessage(tmpBuf))

  743.             return;

  744.         std::sprintf(tmpBuf, "%u\n", pluginId);

  745.         if (! fUiServer.writeMessage(tmpBuf))

  746.             return;

  747.         std::sprintf(tmpBuf, "%i\n", value1);

  748.         if (! fUiServer.writeMessage(tmpBuf))

  749.             return;

  750.         std::sprintf(tmpBuf, "%i\n", value2);

  751.         if (! fUiServer.writeMessage(tmpBuf))

  752.             return;

  753.         std::sprintf(tmpBuf, "%i\n", value3);

  754.         if (! fUiServer.writeMessage(tmpBuf))

  755.             return;

  756.         {

  757.             const CarlaScopedLocale csl;

  758.             std::sprintf(tmpBuf, "%f\n", static_cast<double>(valuef));

  759.         }

  760.         if (! fUiServer.writeMessage(tmpBuf))

  761.             return;

  762.         if (! fUiServer.writeAndFixMessage(valueStr != nullptr ? valueStr : ""))

  763.             return;

  764. 

  765.         fUiServer.flushMessages();

  766.     }

  767. 

  768.     const char* uiFileCallback(FileCallbackOpcode action, bool isDir, const char* title, const char* filter)

  769.     {

  770.         switch (action)

  771.         {

  772.         case FILE_CALLBACK_DEBUG:

  773.             return nullptr;

  774. 

  775.         case FILE_CALLBACK_OPEN:

  776.             return pHost->ui_open_file(pHost->handle, isDir, title, filter);

  777. 

  778.         case FILE_CALLBACK_SAVE:

  779.             return pHost->ui_save_file(pHost->handle, isDir, title, filter);

  780.         }

  781. 

  782.         return nullptr;

  783.     }

  784. 

  785.     void uiServerInfo()

  786.     {

  787.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  789. 

  790.         char tmpBuf[STR_MAX];

  791.         carla_zeroChars(tmpBuf, STR_MAX);

  792. 

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

  794. 

  795. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  796.         if (! fUiServer.writeAndFixMessage("osc-urls"))

  797.             return;

  798.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathTCP()))

  799.             return;

  800.         if (! fUiServer.writeAndFixMessage(pData->osc.getServerPathUDP()))

  801.             return;

  802. #endif

  803. 

  804.         if (! fUiServer.writeAndFixMessage("max-plugin-number"))

  805.             return;

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

  807.         if (! fUiServer.writeMessage(tmpBuf))

  808.             return;

  809. 

  810.         if (! fUiServer.writeAndFixMessage("buffer-size"))

  811.             return;

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

  813.         if (! fUiServer.writeMessage(tmpBuf))

  814.             return;

  815. 

  816.         if (! fUiServer.writeAndFixMessage("sample-rate"))

  817.             return;

  818.         {

  819.             const CarlaScopedLocale csl;

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

  821.         }

  822.         if (! fUiServer.writeMessage(tmpBuf))

  823.             return;

  824. 

  825.         fUiServer.flushMessages();

  826.     }

  827. 

  828.     void uiServerOptions()

  829.     {

  830.         CARLA_SAFE_ASSERT_RETURN(fIsRunning,);

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

  832. 

  833.         char tmpBuf[STR_MAX];

  834.         carla_zeroChars(tmpBuf, STR_MAX);

  835. 

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

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

  838. 

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

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

  841. 

  842.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PROCESS_MODE);

  843.         if (! fUiServer.writeMessage(tmpBuf))

  844.             return;

  845.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  846.             return;

  847.         std::sprintf(tmpBuf, "%i\n", options.processMode);

  848.         if (! fUiServer.writeMessage(tmpBuf))

  849.             return;

  850.         fUiServer.flushMessages();

  851. 

  852.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_TRANSPORT_MODE);

  853.         if (! fUiServer.writeMessage(tmpBuf))

  854.             return;

  855.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  856.             return;

  857.         std::sprintf(tmpBuf, "%i\n", options.transportMode);

  858.         if (! fUiServer.writeMessage(tmpBuf))

  859.             return;

  860.         fUiServer.flushMessages();

  861. 

  862.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_FORCE_STEREO);

  863.         if (! fUiServer.writeMessage(tmpBuf))

  864.             return;

  865.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  866.             return;

  867.         if (! fUiServer.writeMessage(options.forceStereo ? "true\n" : "false\n"))

  868.             return;

  869.         fUiServer.flushMessages();

  870. 

  871.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_PLUGIN_BRIDGES);

  872.         if (! fUiServer.writeMessage(tmpBuf))

  873.             return;

  874.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  875.             return;

  876.         if (! fUiServer.writeMessage(options.preferPluginBridges ? "true\n" : "false\n"))

  877.             return;

  878.         fUiServer.flushMessages();

  879. 

  880.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PREFER_UI_BRIDGES);

  881.         if (! fUiServer.writeMessage(tmpBuf))

  882.             return;

  883.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  884.             return;

  885.         if (! fUiServer.writeMessage(options.preferUiBridges ? "true\n" : "false\n"))

  886.             return;

  887.         fUiServer.flushMessages();

  888. 

  889.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UIS_ALWAYS_ON_TOP);

  890.         if (! fUiServer.writeMessage(tmpBuf))

  891.             return;

  892.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  893.             return;

  894.         if (! fUiServer.writeMessage(options.uisAlwaysOnTop ? "true\n" : "false\n"))

  895.             return;

  896.         fUiServer.flushMessages();

  897. 

  898.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_MAX_PARAMETERS);

  899.         if (! fUiServer.writeMessage(tmpBuf))

  900.             return;

  901.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  902.             return;

  903.         std::sprintf(tmpBuf, "%i\n", options.maxParameters);

  904.         if (! fUiServer.writeMessage(tmpBuf))

  905.             return;

  906.         fUiServer.flushMessages();

  907. 

  908.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_UI_BRIDGES_TIMEOUT);

  909.         if (! fUiServer.writeMessage(tmpBuf))

  910.             return;

  911.         if (! fUiServer.writeMessage(optionsForcedStr, optionsForcedStrSize))

  912.             return;

  913.         std::sprintf(tmpBuf, "%i\n", options.uiBridgesTimeout);

  914.         if (! fUiServer.writeMessage(tmpBuf))

  915.             return;

  916.         fUiServer.flushMessages();

  917. 

  918.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_BINARIES);

  919.         if (! fUiServer.writeMessage(tmpBuf))

  920.             return;

  921.         if (! fUiServer.writeMessage("true\n", 5))

  922.             return;

  923.         std::sprintf(tmpBuf, "%s\n", options.binaryDir);

  924.         if (! fUiServer.writeMessage(tmpBuf))

  925.             return;

  926.         fUiServer.flushMessages();

  927. 

  928.         std::sprintf(tmpBuf, "ENGINE_OPTION_%i\n", ENGINE_OPTION_PATH_RESOURCES);

  929.         if (! fUiServer.writeMessage(tmpBuf))

  930.             return;

  931.         if (! fUiServer.writeMessage("true\n", 5))

  932.             return;

  933.         std::sprintf(tmpBuf, "%s\n", options.resourceDir);

  934.         if (! fUiServer.writeMessage(tmpBuf))

  935.             return;

  936.         fUiServer.flushMessages();

  937.     }

  938. 

  939.     // -------------------------------------------------------------------

  940.     // Plugin parameter calls

  941. 

  942.     uint32_t getParameterCount() const

  943.     {

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

  945.             return plugin->getParameterCount();

  946. 

  947.         return kNumInParams + kNumOutParams;

  948.     }

  949. 

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

  951.     {

  952.         static NativeParameter param;

  953. 

  954.         static char strBufName[STR_MAX+1];

  955.         static char strBufUnit[STR_MAX+1];

  956. 

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

  958.         {

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

  960.             {

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

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

  963. 

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

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

  966. 

  967.                 uint hints = 0x0;

  968. 

  969.                 if (paramData.hints & PARAMETER_IS_BOOLEAN)

  970.                     hints |= NATIVE_PARAMETER_IS_BOOLEAN;

  971.                 if (paramData.hints & PARAMETER_IS_INTEGER)

  972.                     hints |= NATIVE_PARAMETER_IS_INTEGER;

  973.                 if (paramData.hints & PARAMETER_IS_LOGARITHMIC)

  974.                     hints |= NATIVE_PARAMETER_IS_LOGARITHMIC;

  975.                 if (paramData.hints & PARAMETER_IS_AUTOMABLE)

  976.                     hints |= NATIVE_PARAMETER_IS_AUTOMABLE;

  977.                 if (paramData.hints & PARAMETER_USES_SAMPLERATE)

  978.                     hints |= NATIVE_PARAMETER_USES_SAMPLE_RATE;

  979.                 if (paramData.hints & PARAMETER_USES_SCALEPOINTS)

  980.                     hints |= NATIVE_PARAMETER_USES_SCALEPOINTS;

  981. 

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

  983.                 {

  984.                     if (paramData.hints & PARAMETER_IS_ENABLED)

  985.                         hints |= NATIVE_PARAMETER_IS_ENABLED;

  986.                     if (paramData.type == PARAMETER_OUTPUT)

  987.                         hints |= NATIVE_PARAMETER_IS_OUTPUT;

  988.                 }

  989. 

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

  991.                 param.name  = strBufName;

  992.                 param.unit  = strBufUnit;

  993.                 param.ranges.def = paramRanges.def;

  994.                 param.ranges.min = paramRanges.min;

  995.                 param.ranges.max = paramRanges.max;

  996.                 param.ranges.step = paramRanges.step;

  997.                 param.ranges.stepSmall = paramRanges.stepSmall;

  998.                 param.ranges.stepLarge = paramRanges.stepLarge;

  999.                 param.scalePointCount = 0; // TODO

  1000.                 param.scalePoints = nullptr;

  1001. 

  1002.                 return &param;

  1003.             }

  1004.         }

  1005. 

  1006.         param.hints = index < kNumInParams ? static_cast<NativeParameterHints>(0x0) : NATIVE_PARAMETER_IS_OUTPUT;

  1007.         param.name  = "Unused";

  1008.         param.unit  = "";

  1009.         param.ranges.def = 0.0f;

  1010.         param.ranges.min = 0.0f;

  1011.         param.ranges.max = 1.0f;

  1012.         param.ranges.step = 0.01f;

  1013.         param.ranges.stepSmall = 0.001f;

  1014.         param.ranges.stepLarge = 0.1f;

  1015.         param.scalePointCount = 0;

  1016.         param.scalePoints = nullptr;

  1017. 

  1018.         return &param;

  1019.     }

  1020. 

  1021.     float getParameterValue(const uint32_t index) const

  1022.     {

  1023.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1024.         {

  1025.             if (index < plugin->getParameterCount())

  1026.                 return plugin->getParameterValue(index);

  1027.         }

  1028. 

  1029.         return fParameters[index];

  1030.     }

  1031. 

  1032.     // -------------------------------------------------------------------

  1033.     // Plugin midi-program calls

  1034. 

  1035.     uint32_t getMidiProgramCount() const

  1036.     {

  1037.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1038.             return plugin->getMidiProgramCount();

  1039. 

  1040.         return 0;

  1041.     }

  1042. 

  1043.     const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const

  1044.     {

  1045.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1046.         {

  1047.             if (index < plugin->getMidiProgramCount())

  1048.             {

  1049.                 static NativeMidiProgram midiProg;

  1050. 

  1051.                 {

  1052.                     const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));

  1053. 

  1054.                     midiProg.bank    = midiProgData.bank;

  1055.                     midiProg.program = midiProgData.program;

  1056.                     midiProg.name    = midiProgData.name;

  1057.                 }

  1058. 

  1059.                 return &midiProg;

  1060.             }

  1061.         }

  1062. 

  1063.         return nullptr;

  1064.     }

  1065. 

  1066.     // -------------------------------------------------------------------

  1067.     // Plugin state calls

  1068. 

  1069.     void setParameterValue(const uint32_t index, const float value)

  1070.     {

  1071.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1072.         {

  1073.             if (index < plugin->getParameterCount())

  1074.                 plugin->setParameterValueRT(index, value);

  1075.         }

  1076. 

  1077.         fParameters[index] = value;

  1078.     }

  1079. 

  1080.     void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)

  1081.     {

  1082.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1083.             plugin->setMidiProgramById(bank, program, false, false, false);

  1084.     }

  1085. 

  1086.     // -------------------------------------------------------------------

  1087.     // Plugin process calls

  1088. 

  1089.     void activate()

  1090.     {

  1091. #if 0

  1092.         for (uint i=0; i < pData->curPluginCount; ++i)

  1093.         {

  1094.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1095. 

  1096.             if (plugin == nullptr || ! plugin->isEnabled())

  1097.                 continue;

  1098. 

  1099.             plugin->setActive(true, true, false);

  1100.         }

  1101. #endif

  1102.         fIsActive = true;

  1103.     }

  1104. 

  1105.     void deactivate()

  1106.     {

  1107.         fIsActive = false;

  1108. #if 0

  1109.         for (uint i=0; i < pData->curPluginCount; ++i)

  1110.         {

  1111.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1112. 

  1113.             if (plugin == nullptr || ! plugin->isEnabled())

  1114.                 continue;

  1115. 

  1116.             plugin->setActive(false, true, false);

  1117.         }

  1118. #endif

  1119. 

  1120.         // just in case

  1121.         //runPendingRtEvents();

  1122.     }

  1123. 

  1124.     void process(const float** const inBuffer, float** const outBuffer, const uint32_t frames,

  1125.                  const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)

  1126.     {

  1127.         if (frames > pData->bufferSize)

  1128.         {

  1129.             carla_stderr2("Host is calling process with too high number of frames! %u vs %u",

  1130.                           frames, pData->bufferSize);

  1131. 

  1132.             deactivate();

  1133.             bufferSizeChanged(frames);

  1134.             activate();

  1135.         }

  1136. 

  1137.         const PendingRtEventsRunner prt(this, frames, true);

  1138. 

  1139.         // ---------------------------------------------------------------

  1140.         // Time Info

  1141. 

  1142.         const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));

  1143. 

  1144.         pData->timeInfo.playing   = timeInfo->playing;

  1145.         pData->timeInfo.frame     = timeInfo->frame;

  1146.         pData->timeInfo.usecs     = timeInfo->usecs;

  1147.         pData->timeInfo.bbt.valid = timeInfo->bbt.valid;

  1148. 

  1149.         if (timeInfo->bbt.valid)

  1150.         {

  1151.             pData->timeInfo.bbt.bar = timeInfo->bbt.bar;

  1152.             pData->timeInfo.bbt.beat = timeInfo->bbt.beat;

  1153.             pData->timeInfo.bbt.tick = timeInfo->bbt.tick;

  1154.             pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;

  1155. 

  1156.             pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;

  1157.             pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;

  1158. 

  1159.             pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;

  1160.             pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;

  1161.         }

  1162. 

  1163.         // ---------------------------------------------------------------

  1164.         // Do nothing if no plugins and rack mode

  1165. 

  1166.         if (pData->curPluginCount == 0 && ! kIsPatchbay)

  1167.         {

  1168.             if (outBuffer[0] != inBuffer[0])

  1169.                 carla_copyFloats(outBuffer[0], inBuffer[0], frames);

  1170. 

  1171.             if (outBuffer[1] != inBuffer[1])

  1172.                 carla_copyFloats(outBuffer[1], inBuffer[1], frames);

  1173. 

  1174.             for (uint32_t i=0; i < midiEventCount; ++i)

  1175.             {

  1176.                 if (! pHost->write_midi_event(pHost->handle, &midiEvents[i]))

  1177.                     break;

  1178.             }

  1179.             return;

  1180.         }

  1181. 

  1182.         // ---------------------------------------------------------------

  1183.         // initialize events

  1184. 

  1185.         carla_zeroStructs(pData->events.in,  kMaxEngineEventInternalCount);

  1186.         carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount);

  1187. 

  1188.         // ---------------------------------------------------------------

  1189.         // events input (before processing)

  1190. 

  1191.         {

  1192.             uint32_t engineEventIndex = 0;

  1193. 

  1194.             for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)

  1195.             {

  1196.                 const NativeMidiEvent& midiEvent(midiEvents[i]);

  1197.                 EngineEvent&           engineEvent(pData->events.in[engineEventIndex++]);

  1198. 

  1199.                 engineEvent.time = midiEvent.time;

  1200.                 engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data, 0);

  1201. 

  1202.                 if (engineEventIndex >= kMaxEngineEventInternalCount)

  1203.                     break;

  1204.             }

  1205.         }

  1206. 

  1207.         if (kIsPatchbay)

  1208.         {

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

  1210.             // process

  1211. 

  1212.             pData->graph.process(pData, inBuffer, outBuffer, frames);

  1213.         }

  1214.         else

  1215.         {

  1216.             // -----------------------------------------------------------

  1217.             // create audio buffers

  1218. 

  1219.             const float* inBuf[2]  = {  inBuffer[0],  inBuffer[1] };

  1220.             /* */ float* outBuf[2] = { outBuffer[0], outBuffer[1] };

  1221. 

  1222.             // -----------------------------------------------------------

  1223.             // process

  1224. 

  1225.             pData->graph.processRack(pData, inBuf, outBuf, frames);

  1226.         }

  1227. 

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

  1229.         // events output (after processing)

  1230. 

  1231.         carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount);

  1232. 

  1233.         if (kHasMidiOut)

  1234.         {

  1235.             NativeMidiEvent midiEvent;

  1236. 

  1237.             for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)

  1238.             {

  1239.                 const EngineEvent& engineEvent(pData->events.out[i]);

  1240. 

  1241.                 if (engineEvent.type == kEngineEventTypeNull)

  1242.                     break;

  1243. 

  1244.                 carla_zeroStruct(midiEvent);

  1245.                 midiEvent.time = engineEvent.time;

  1246. 

  1247.                 /**/ if (engineEvent.type == kEngineEventTypeControl)

  1248.                 {

  1249.                     midiEvent.port = 0;

  1250.                     midiEvent.size = engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.data);

  1251.                 }

  1252.                 else if (engineEvent.type == kEngineEventTypeMidi)

  1253.                 {

  1254.                     if (engineEvent.midi.size > 4)

  1255.                         continue;

  1256. 

  1257.                     midiEvent.port = engineEvent.midi.port;

  1258.                     midiEvent.size = engineEvent.midi.size;

  1259. 

  1260.                     midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] | (engineEvent.channel & MIDI_CHANNEL_BIT));

  1261. 

  1262.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1263.                         midiEvent.data[j] = engineEvent.midi.data[j];

  1264.                 }

  1265.                 else

  1266.                 {

  1267.                     continue;

  1268.                 }

  1269. 

  1270.                 if (midiEvent.size > 0)

  1271.                     pHost->write_midi_event(pHost->handle, &midiEvent);

  1272.             }

  1273.         }

  1274.     }

  1275. 

  1276.     // -------------------------------------------------------------------

  1277.     // Plugin UI calls

  1278. 

  1279.     void uiShow(const bool show)

  1280.     {

  1281.         if (show)

  1282.         {

  1283.             if (fUiServer.isPipeRunning())

  1284.             {

  1285.                 fUiServer.writeFocusMessage();

  1286.                 return;

  1287.             }

  1288. 

  1289.             CarlaString path(pHost->resourceDir);

  1290. 

  1291.             if (kIsPatchbay)

  1292.                 path += CARLA_OS_SEP_STR "carla-plugin-patchbay";

  1293.             else

  1294.                 path += CARLA_OS_SEP_STR "carla-plugin";

  1295. #ifdef CARLA_OS_WIN

  1296.             path += ".exe";

  1297. #endif

  1298.             carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());

  1299. 

  1300.             fUiServer.setData(path, pData->sampleRate, pHost->uiName);

  1301. 

  1302.             if (! fUiServer.startPipeServer(false))

  1303.             {

  1304.                 pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1305.                 return;

  1306.             }

  1307. 

  1308.             uiServerInfo();

  1309.             uiServerOptions();

  1310.             uiServerCallback(ENGINE_CALLBACK_ENGINE_STARTED,

  1311.                              pData->curPluginCount,

  1312.                              pData->options.processMode,

  1313.                              pData->options.transportMode,

  1314.                              static_cast<int>(pData->bufferSize),

  1315.                              static_cast<float>(pData->sampleRate),

  1316.                              "Plugin");

  1317. 

  1318.             fUiServer.writeShowMessage();

  1319. 

  1320.             for (uint i=0; i < pData->curPluginCount; ++i)

  1321.             {

  1322.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1323. 

  1324.                 if (plugin != nullptr && plugin->isEnabled())

  1325.                 {

  1326.                     uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0, 0.0f, plugin->getName());

  1327.                 }

  1328.             }

  1329. 

  1330.             if (kIsPatchbay)

  1331.                 patchbayRefresh(true, false, false);

  1332.         }

  1333.         else

  1334.         {

  1335.             fUiServer.stopPipeServer(2000);

  1336. 

  1337.             // hide all custom uis

  1338.             for (uint i=0; i < pData->curPluginCount; ++i)

  1339.             {

  1340.                 CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1341. 

  1342.                 if (plugin != nullptr && plugin->isEnabled())

  1343.                 {

  1344.                     if (plugin->getHints() & PLUGIN_HAS_CUSTOM_UI)

  1345.                     {

  1346.                         try {

  1347.                             plugin->showCustomUI(false);

  1348.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin showCustomUI (hide)");

  1349.                     }

  1350.                 }

  1351.             }

  1352.         }

  1353.     }

  1354. 

  1355.     void uiIdle()

  1356.     {

  1357.         for (uint i=0; i < pData->curPluginCount; ++i)

  1358.         {

  1359.             CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1360. 

  1361.             if (plugin != nullptr && plugin->isEnabled())

  1362.             {

  1363.                 const uint hints(plugin->getHints());

  1364. 

  1365.                 if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  1366.                 {

  1367.                     try {

  1368.                         plugin->uiIdle();

  1369.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  1370.                 }

  1371.             }

  1372.         }

  1373. 

  1374.         idlePipe();

  1375. 

  1376.         switch (fUiServer.getAndResetUiState())

  1377.         {

  1378.         case CarlaExternalUI::UiNone:

  1379.         case CarlaExternalUI::UiShow:

  1380.             break;

  1381.         case CarlaExternalUI::UiCrashed:

  1382.             pHost->dispatcher(pHost->handle, NATIVE_HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);

  1383.             break;

  1384.         case CarlaExternalUI::UiHide:

  1385.             pHost->ui_closed(pHost->handle);

  1386.             fUiServer.stopPipeServer(1000);

  1387.             break;

  1388.         }

  1389.     }

  1390. 

  1391.     void uiSetParameterValue(const uint32_t index, const float value)

  1392.     {

  1393.         carla_stdout("uiSetParameterValue(%d, %f)", index, static_cast<double>(value));

  1394. 

  1395.         if (CarlaPlugin* const plugin = _getFirstPlugin())

  1396.         {

  1397.             if (index < plugin->getParameterCount())

  1398.                 plugin->uiParameterChange(index, value);

  1399.         }

  1400.     }

  1401. 

  1402.     void idlePipe()

  1403.     {

  1404.         if (! fUiServer.isPipeRunning())

  1405.             return;

  1406. 

  1407.         fUiServer.idlePipe();

  1408. 

  1409.         char tmpBuf[STR_MAX];

  1410.         carla_zeroChars(tmpBuf, STR_MAX);

  1411. 

  1412.         const CarlaMutexLocker cml(fUiServer.getPipeLock());

  1413.         const CarlaScopedLocale csl;

  1414.         const EngineTimeInfo& timeInfo(pData->timeInfo);

  1415. 

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

  1417.         // send engine info

  1418. 

  1419.         if (! fUiServer.writeAndFixMessage("runtime-info"))

  1420.             return;

  1421.         std::sprintf(tmpBuf, "%f:0\n", static_cast<double>(getDSPLoad()));

  1422.         if (! fUiServer.writeMessage(tmpBuf))

  1423.             return;

  1424. 

  1425.         fUiServer.flushMessages();

  1426. 

  1427.         // ------------------------------------------------------------------------------------------------------------

  1428.         // send transport

  1429. 

  1430.         if (! fUiServer.writeAndFixMessage("transport"))

  1431.             return;

  1432.         if (! fUiServer.writeMessage(timeInfo.playing ? "true\n" : "false\n"))

  1433.             return;

  1434. 

  1435.         if (timeInfo.bbt.valid)

  1436.         {

  1437.             std::sprintf(tmpBuf, P_UINT64 ":%i:%i:%i\n",

  1438.                          timeInfo.frame, timeInfo.bbt.bar, timeInfo.bbt.beat, static_cast<int>(timeInfo.bbt.tick + 0.5));

  1439.             if (! fUiServer.writeMessage(tmpBuf))

  1440.                 return;

  1441. 

  1442.             std::sprintf(tmpBuf, "%f\n", timeInfo.bbt.beatsPerMinute);

  1443.             if (! fUiServer.writeMessage(tmpBuf))

  1444.                 return;

  1445.         }

  1446.         else

  1447.         {

  1448.             std::sprintf(tmpBuf, P_UINT64 ":0:0:0\n", timeInfo.frame);

  1449.             if (! fUiServer.writeMessage(tmpBuf))

  1450.                 return;

  1451. 

  1452.             if (! fUiServer.writeMessage("0.0\n"))

  1453.                 return;

  1454.         }

  1455. 

  1456.         fUiServer.flushMessages();

  1457. 

  1458.         // ------------------------------------------------------------------------------------------------------------

  1459.         // send peaks and param outputs for all plugins

  1460. 

  1461.         for (uint i=0; i < pData->curPluginCount; ++i)

  1462.         {

  1463.             const EnginePluginData& plugData(pData->plugins[i]);

  1464.             const CarlaPlugin* const plugin(pData->plugins[i].plugin);

  1465. 

  1466.             std::sprintf(tmpBuf, "PEAKS_%i\n", i);

  1467.             if (! fUiServer.writeMessage(tmpBuf))

  1468.                 return;

  1469. 

  1470.             std::sprintf(tmpBuf, "%f:%f:%f:%f\n",

  1471.                          static_cast<double>(plugData.peaks[0]),

  1472.                          static_cast<double>(plugData.peaks[1]),

  1473.                          static_cast<double>(plugData.peaks[2]),

  1474.                          static_cast<double>(plugData.peaks[3]));

  1475.             if (! fUiServer.writeMessage(tmpBuf))

  1476.                 return;

  1477. 

  1478.             fUiServer.flushMessages();

  1479. 

  1480.             for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)

  1481.             {

  1482.                 if (! plugin->isParameterOutput(j))

  1483.                     continue;

  1484. 

  1485.                 std::sprintf(tmpBuf, "PARAMVAL_%i:%i\n", i, j);

  1486.                 if (! fUiServer.writeMessage(tmpBuf))

  1487.                     return;

  1488. 

  1489.                 std::sprintf(tmpBuf, "%f\n", static_cast<double>(plugin->getParameterValue(j)));

  1490.                 if (! fUiServer.writeMessage(tmpBuf))

  1491.                     return;

  1492. 

  1493.                 fUiServer.flushMessages();

  1494.             }

  1495.         }

  1496.     }

  1497. 

  1498.     // -------------------------------------------------------------------

  1499.     // Plugin state calls

  1500. 

  1501.     char* getState() const

  1502.     {

  1503.         MemoryOutputStream out;

  1504.         saveProjectInternal(out);

  1505.         return strdup(out.toString().toRawUTF8());

  1506.     }

  1507. 

  1508.     void setState(const char* const data)

  1509.     {

  1510.         // remove all plugins from UI side

  1511.         for (uint i=0, count=pData->curPluginCount; i < count; ++i)

  1512.             CarlaEngine::callback(true, true, ENGINE_CALLBACK_PLUGIN_REMOVED, count-i-1, 0, 0, 0, 0.0f, nullptr);

  1513. 

  1514.         // remove all plugins from backend, no lock

  1515.         fIsRunning = false;

  1516.         removeAllPlugins();

  1517.         fIsRunning = true;

  1518. 

  1519.         // stopped during removeAllPlugins()

  1520.         if (! pData->thread.isThreadRunning())

  1521.             pData->thread.startThread();

  1522. 

  1523.         fOptionsForced = true;

  1524.         const String state(data);

  1525.         XmlDocument xml(state);

  1526.         loadProjectInternal(xml);

  1527.     }

  1528. 

  1529.     // -------------------------------------------------------------------

  1530. 

  1531. public:

  1532.     #define handlePtr ((CarlaEngineNative*)handle)

  1533. 

  1534.     static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)

  1535.     {

  1536.         return new CarlaEngineNative(host, false, true);

  1537.     }

  1538. 

  1539.     static NativePluginHandle _instantiateRackNoMidiOut(const NativeHostDescriptor* host)

  1540.     {

  1541.         return new CarlaEngineNative(host, false, false);

  1542.     }

  1543. 

  1544.     static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)

  1545.     {

  1546.         return new CarlaEngineNative(host, true, true);

  1547.     }

  1548. 

  1549.     static NativePluginHandle _instantiatePatchbay3s(const NativeHostDescriptor* host)

  1550.     {

  1551.         return new CarlaEngineNative(host, true, true, 3, 2);

  1552.     }

  1553. 

  1554.     static NativePluginHandle _instantiatePatchbay16(const NativeHostDescriptor* host)

  1555.     {

  1556.         return new CarlaEngineNative(host, true, true, 16, 16);

  1557.     }

  1558. 

  1559.     static NativePluginHandle _instantiatePatchbay32(const NativeHostDescriptor* host)

  1560.     {

  1561.         return new CarlaEngineNative(host, true, true, 32, 32);

  1562.     }

  1563. 

  1564.     static void _cleanup(NativePluginHandle handle)

  1565.     {

  1566.         delete handlePtr;

  1567.     }

  1568. 

  1569.     static uint32_t _get_parameter_count(NativePluginHandle handle)

  1570.     {

  1571.         return handlePtr->getParameterCount();

  1572.     }

  1573. 

  1574.     static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)

  1575.     {

  1576.         return handlePtr->getParameterInfo(index);

  1577.     }

  1578. 

  1579.     static float _get_parameter_value(NativePluginHandle handle, uint32_t index)

  1580.     {

  1581.         return handlePtr->getParameterValue(index);

  1582.     }

  1583. 

  1584.     static uint32_t _get_midi_program_count(NativePluginHandle handle)

  1585.     {

  1586.         return handlePtr->getMidiProgramCount();

  1587.     }

  1588. 

  1589.     static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)

  1590.     {

  1591.         return handlePtr->getMidiProgramInfo(index);

  1592.     }

  1593. 

  1594.     static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1595.     {

  1596.         handlePtr->setParameterValue(index, value);

  1597.     }

  1598. 

  1599.     static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)

  1600.     {

  1601.         handlePtr->setMidiProgram(channel, bank, program);

  1602.     }

  1603. 

  1604.     static void _ui_show(NativePluginHandle handle, bool show)

  1605.     {

  1606.         handlePtr->uiShow(show);

  1607.     }

  1608. 

  1609.     static void _ui_idle(NativePluginHandle handle)

  1610.     {

  1611.         handlePtr->uiIdle();

  1612.     }

  1613. 

  1614.     static void _ui_set_parameter_value(NativePluginHandle handle, uint32_t index, float value)

  1615.     {

  1616.         handlePtr->uiSetParameterValue(index, value);

  1617.     }

  1618. 

  1619.     static void _activate(NativePluginHandle handle)

  1620.     {

  1621.         handlePtr->activate();

  1622.     }

  1623. 

  1624.     static void _deactivate(NativePluginHandle handle)

  1625.     {

  1626.         handlePtr->deactivate();

  1627.     }

  1628. 

  1629.     static void _process(NativePluginHandle handle,

  1630.                          const float** inBuffer, float** outBuffer, const uint32_t frames,

  1631.                          const NativeMidiEvent* midiEvents, uint32_t midiEventCount)

  1632.     {

  1633.         handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);

  1634.     }

  1635. 

  1636.     static char* _get_state(NativePluginHandle handle)

  1637.     {

  1638.         return handlePtr->getState();

  1639.     }

  1640. 

  1641.     static void _set_state(NativePluginHandle handle, const char* data)

  1642.     {

  1643.         handlePtr->setState(data);

  1644.     }

  1645. 

  1646.     static intptr_t _dispatcher(NativePluginHandle handle,

  1647.                                 NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)

  1648.     {

  1649.         switch(opcode)

  1650.         {

  1651.         case NATIVE_PLUGIN_OPCODE_NULL:

  1652.             return 0;

  1653.         case NATIVE_PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:

  1654.             CARLA_SAFE_ASSERT_RETURN(value > 0, 0);

  1655.             handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));

  1656.             return 0;

  1657.         case NATIVE_PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:

  1658.             CARLA_SAFE_ASSERT_RETURN(opt > 0.0f, 0);

  1659.             handlePtr->sampleRateChanged(static_cast<double>(opt));

  1660.             return 0;

  1661.         case NATIVE_PLUGIN_OPCODE_OFFLINE_CHANGED:

  1662.             handlePtr->offlineModeChanged(value != 0);

  1663.             return 0;

  1664.         case NATIVE_PLUGIN_OPCODE_UI_NAME_CHANGED:

  1665.             //handlePtr->uiNameChanged(static_cast<const char*>(ptr));

  1666.             return 0;

  1667.         case NATIVE_PLUGIN_OPCODE_GET_INTERNAL_HANDLE: {

  1668.             CarlaEngineNative* const engine = handlePtr;

  1669.             return (intptr_t)(CarlaEngine*)engine;

  1670.         }

  1671.         }

  1672. 

  1673.         return 0;

  1674. 

  1675.         // unused

  1676.         (void)index;

  1677.         (void)ptr;

  1678.     }

  1679. 

  1680.     // -------------------------------------------------------------------

  1681. 

  1682.     static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId,

  1683.                                     int value1, int value2, int value3,

  1684.                                     float valuef, const char* valueStr)

  1685.     {

  1686.         handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valuef, valueStr);

  1687.     }

  1688. 

  1689.     static const char* _ui_file_callback(void* handle, FileCallbackOpcode action, bool isDir,

  1690.                                          const char* title, const char* filter)

  1691.     {

  1692.         return handlePtr->uiFileCallback(action, isDir, title, filter);

  1693.     }

  1694. 

  1695.     // -------------------------------------------------------------------

  1696. 

  1697.     #undef handlePtr

  1698. 

  1699. private:

  1700.     const NativeHostDescriptor* const pHost;

  1701. 

  1702. #ifdef USE_JUCE_MESSAGE_THREAD

  1703.     const bool kNeedsJuceMsgThread;

  1704.     const juce::SharedResourcePointer<SharedJuceMessageThread> fJuceMsgThread;

  1705. #endif

  1706. 

  1707.     const bool kIsPatchbay; // rack if false

  1708.     const bool kHasMidiOut;

  1709.     bool fIsActive, fIsRunning;

  1710.     CarlaEngineNativeUI fUiServer;

  1711. 

  1712.     float fParameters[kNumInParams+kNumOutParams];

  1713. 

  1714.     bool fOptionsForced;

  1715. 

  1716.     CarlaPlugin* _getFirstPlugin() const noexcept

  1717.     {

  1718.         if (pData->curPluginCount == 0 || pData->plugins == nullptr)

  1719.             return nullptr;

  1720. 

  1721.         CarlaPlugin* const plugin(pData->plugins[0].plugin);

  1722. 

  1723.         if (plugin == nullptr || ! plugin->isEnabled())

  1724.             return nullptr;

  1725. 

  1726.         return pData->plugins[0].plugin;

  1727.     }

  1728. 

  1729.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)

  1730. };

  1731. 

  1732. // -----------------------------------------------------------------------

  1733. 

  1734. bool CarlaEngineNativeUI::msgReceived(const char*const msg) noexcept

  1735. {

  1736.     if (CarlaExternalUI::msgReceived(msg))

  1737.         return true;

  1738. 

  1739.     bool ok = true;

  1740. 

  1741.     if (std::strcmp(msg, "set_engine_option") == 0)

  1742.     {

  1743.         uint32_t option;

  1744.         int32_t value;

  1745.         const char* valueStr = nullptr;

  1746. 

  1747.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(option), true);

  1748.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(value), true);

  1749.         readNextLineAsString(valueStr); // can be null

  1750. 

  1751.         try {

  1752.             fEngine->setOption(static_cast<EngineOption>(option), value, valueStr);

  1753.         } CARLA_SAFE_EXCEPTION("setOption");

  1754. 

  1755.         if (valueStr != nullptr)

  1756.             delete[] valueStr;

  1757.     }

  1758.     else if (std::strcmp(msg, "clear_engine_xruns") == 0)

  1759.     {

  1760.         fEngine->clearXruns();

  1761.     }

  1762.     else if (std::strcmp(msg, "cancel_engine_action") == 0)

  1763.     {

  1764.         fEngine->setActionCanceled(true);

  1765.     }

  1766.     else if (std::strcmp(msg, "load_file") == 0)

  1767.     {

  1768.         const char* filename;

  1769. 

  1770.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  1771. 

  1772.         try {

  1773.             ok = fEngine->loadFile(filename);

  1774.         } CARLA_SAFE_EXCEPTION("loadFile");

  1775. 

  1776.         delete[] filename;

  1777.     }

  1778.     else if (std::strcmp(msg, "load_project") == 0)

  1779.     {

  1780.         const char* filename;

  1781. 

  1782.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  1783. 

  1784.         try {

  1785.             ok = fEngine->loadProject(filename, true);

  1786.         } CARLA_SAFE_EXCEPTION("loadProject");

  1787. 

  1788.         delete[] filename;

  1789.     }

  1790.     else if (std::strcmp(msg, "save_project") == 0)

  1791.     {

  1792.         const char* filename;

  1793. 

  1794.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  1795. 

  1796.         try {

  1797.             ok = fEngine->saveProject(filename, true);

  1798.         } CARLA_SAFE_EXCEPTION("saveProject");

  1799. 

  1800.         delete[] filename;

  1801.     }

  1802.     else if (std::strcmp(msg, "clear_project_filename") == 0)

  1803.     {

  1804.         fEngine->clearCurrentProjectFilename();

  1805.     }

  1806.     else if (std::strcmp(msg, "patchbay_connect") == 0)

  1807.     {

  1808.         bool external;

  1809.         uint32_t groupA, portA, groupB, portB;

  1810. 

  1811.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(external), true);

  1812.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(groupA), true);

  1813.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(portA), true);

  1814.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(groupB), true);

  1815.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(portB), true);

  1816. 

  1817.         try {

  1818.             ok = fEngine->patchbayConnect(external, groupA, portA, groupB, portB);

  1819.         } CARLA_SAFE_EXCEPTION("patchbayConnect");

  1820.     }

  1821.     else if (std::strcmp(msg, "patchbay_disconnect") == 0)

  1822.     {

  1823.         bool external;

  1824.         uint32_t connectionId;

  1825. 

  1826.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(external), true);

  1827.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(connectionId), true);

  1828. 

  1829.         try {

  1830.             ok = fEngine->patchbayDisconnect(external, connectionId);

  1831.         } CARLA_SAFE_EXCEPTION("patchbayDisconnect");

  1832.     }

  1833.     else if (std::strcmp(msg, "patchbay_refresh") == 0)

  1834.     {

  1835.         bool external;

  1836.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(external), true);

  1837. 

  1838.         try {

  1839.             ok = fEngine->patchbayRefresh(true, false, external);

  1840.         } CARLA_SAFE_EXCEPTION("patchbayRefresh");

  1841.     }

  1842.     else if (std::strcmp(msg, "transport_play") == 0)

  1843.     {

  1844.         fEngine->transportPlay();

  1845.     }

  1846.     else if (std::strcmp(msg, "transport_pause") == 0)

  1847.     {

  1848.         fEngine->transportPause();

  1849.     }

  1850.     else if (std::strcmp(msg, "transport_bpm") == 0)

  1851.     {

  1852.         double bpm;

  1853. 

  1854.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsDouble(bpm), true);

  1855. 

  1856.         fEngine->transportBPM(bpm);

  1857.     }

  1858.     else if (std::strcmp(msg, "transport_relocate") == 0)

  1859.     {

  1860.         uint64_t frame;

  1861. 

  1862.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsULong(frame), true);

  1863. 

  1864.         fEngine->transportRelocate(frame);

  1865.     }

  1866.     else if (std::strcmp(msg, "add_plugin") == 0)

  1867.     {

  1868.         uint32_t btype, ptype;

  1869.         const char* filename = nullptr;

  1870.         const char* name;

  1871.         const char* label;

  1872.         int64_t uniqueId;

  1873.         uint options;

  1874. 

  1875.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(btype), true);

  1876.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(ptype), true);

  1877.         readNextLineAsString(filename); // can be null

  1878.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(name), true);

  1879.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(label), true);

  1880.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsLong(uniqueId), true);

  1881.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(options), true);

  1882. 

  1883.         if (filename != nullptr && std::strcmp(filename, "(null)") == 0)

  1884.         {

  1885.             delete[] filename;

  1886.             filename = nullptr;

  1887.         }

  1888. 

  1889.         if (std::strcmp(name, "(null)") == 0)

  1890.         {

  1891.             delete[] name;

  1892.             name = nullptr;

  1893.         }

  1894. 

  1895.         ok = fEngine->addPlugin(static_cast<BinaryType>(btype), static_cast<PluginType>(ptype),

  1896.                                 filename, name, label, uniqueId, nullptr, options);

  1897. 

  1898.         if (filename != nullptr)

  1899.             delete[] filename;

  1900.         if (name != nullptr)

  1901.             delete[] name;

  1902.         delete[] label;

  1903. 

  1904.         fEngine->reloadFromUI();

  1905.     }

  1906.     else if (std::strcmp(msg, "remove_plugin") == 0)

  1907.     {

  1908.         uint32_t pluginId;

  1909. 

  1910.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1911. 

  1912.         ok = fEngine->removePlugin(pluginId);

  1913. 

  1914.         if (pluginId == 0)

  1915.             fEngine->reloadFromUI();

  1916.     }

  1917.     else if (std::strcmp(msg, "remove_all_plugins") == 0)

  1918.     {

  1919.         ok = fEngine->removeAllPlugins();

  1920.         fEngine->reloadFromUI();

  1921.     }

  1922.     else if (std::strcmp(msg, "rename_plugin") == 0)

  1923.     {

  1924.         uint32_t pluginId;

  1925.         const char* newName;

  1926. 

  1927.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1928.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(newName), true);

  1929. 

  1930.         // TODO

  1931.         /*const char* name =*/ fEngine->renamePlugin(pluginId, newName);

  1932. 

  1933.         delete[] newName;

  1934.     }

  1935.     else if (std::strcmp(msg, "clone_plugin") == 0)

  1936.     {

  1937.         uint32_t pluginId;

  1938. 

  1939.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1940. 

  1941.         ok = fEngine->clonePlugin(pluginId);

  1942.     }

  1943.     else if (std::strcmp(msg, "replace_plugin") == 0)

  1944.     {

  1945.         uint32_t pluginId;

  1946. 

  1947.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1948. 

  1949.         ok = fEngine->replacePlugin(pluginId);

  1950.     }

  1951.     else if (std::strcmp(msg, "switch_plugins") == 0)

  1952.     {

  1953.         uint32_t pluginIdA, pluginIdB;

  1954. 

  1955.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginIdA), true);

  1956.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginIdB), true);

  1957. 

  1958.         ok = fEngine->switchPlugins(pluginIdA, pluginIdB);

  1959. 

  1960.         if (pluginIdA == 0 || pluginIdB == 0)

  1961.             fEngine->reloadFromUI();

  1962.     }

  1963.     else if (std::strcmp(msg, "load_plugin_state") == 0)

  1964.     {

  1965.         uint32_t pluginId;

  1966.         const char* filename;

  1967. 

  1968.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1969.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  1970. 

  1971.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  1972.         {

  1973.             plugin->loadStateFromFile(filename);

  1974.             _updateParamValues(plugin, pluginId, false, true);

  1975.         }

  1976. 

  1977.         delete[] filename;

  1978.     }

  1979.     else if (std::strcmp(msg, "save_plugin_state") == 0)

  1980.     {

  1981.         uint32_t pluginId;

  1982.         const char* filename;

  1983. 

  1984.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1985.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);

  1986. 

  1987.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  1988.             plugin->saveStateToFile(filename);

  1989. 

  1990.         delete[] filename;

  1991.     }

  1992.     else if (std::strcmp(msg, "set_option") == 0)

  1993.     {

  1994.         uint32_t pluginId, option;

  1995.         bool yesNo;

  1996. 

  1997.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  1998.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(option), true);

  1999.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(yesNo), true);

  2000. 

  2001.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2002.             plugin->setOption(option, yesNo, false);

  2003.     }

  2004.     else if (std::strcmp(msg, "set_active") == 0)

  2005.     {

  2006.         uint32_t pluginId;

  2007.         bool onOff;

  2008. 

  2009.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2010.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(onOff), true);

  2011. 

  2012.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2013.             plugin->setActive(onOff, true, false);

  2014.     }

  2015.     else if (std::strcmp(msg, "set_drywet") == 0)

  2016.     {

  2017.         uint32_t pluginId;

  2018.         float value;

  2019. 

  2020.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2021.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  2022. 

  2023.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2024.             plugin->setDryWet(value, true, false);

  2025.     }

  2026.     else if (std::strcmp(msg, "set_volume") == 0)

  2027.     {

  2028.         uint32_t pluginId;

  2029.         float value;

  2030. 

  2031.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2032.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  2033. 

  2034.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2035.             plugin->setVolume(value, true, false);

  2036.     }

  2037.     else if (std::strcmp(msg, "set_balance_left") == 0)

  2038.     {

  2039.         uint32_t pluginId;

  2040.         float value;

  2041. 

  2042.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2043.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  2044. 

  2045.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2046.             plugin->setBalanceLeft(value, true, false);

  2047.     }

  2048.     else if (std::strcmp(msg, "set_balance_right") == 0)

  2049.     {

  2050.         uint32_t pluginId;

  2051.         float value;

  2052. 

  2053.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2054.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  2055. 

  2056.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2057.             plugin->setBalanceRight(value, true, false);

  2058.     }

  2059.     else if (std::strcmp(msg, "set_panning") == 0)

  2060.     {

  2061.         uint32_t pluginId;

  2062.         float value;

  2063. 

  2064.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2065.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  2066. 

  2067.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2068.             plugin->setPanning(value, true, false);

  2069.     }

  2070.     else if (std::strcmp(msg, "set_ctrl_channel") == 0)

  2071.     {

  2072.         uint32_t pluginId;

  2073.         int32_t channel;

  2074. 

  2075.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2076.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(channel), true);

  2077.         CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS, true);

  2078. 

  2079.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2080.             plugin->setCtrlChannel(int8_t(channel), true, false);

  2081.     }

  2082.     else if (std::strcmp(msg, "set_parameter_value") == 0)

  2083.     {

  2084.         uint32_t pluginId, parameterId;

  2085.         float value;

  2086. 

  2087.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2088.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);

  2089.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);

  2090. 

  2091.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2092.         {

  2093.             plugin->setParameterValue(parameterId, value, true, true, false);

  2094.             fEngine->setParameterValueFromUI(pluginId, parameterId, value);

  2095.         }

  2096.     }

  2097.     else if (std::strcmp(msg, "set_parameter_midi_channel") == 0)

  2098.     {

  2099.         uint32_t pluginId, parameterId, channel;

  2100. 

  2101.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2102.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);

  2103.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(channel), true);

  2104.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  2105. 

  2106.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2107.             plugin->setParameterMidiChannel(parameterId, static_cast<uint8_t>(channel), true, false);

  2108.     }

  2109.     else if (std::strcmp(msg, "set_parameter_midi_cc") == 0)

  2110.     {

  2111.         uint32_t pluginId, parameterId;

  2112.         int32_t cc;

  2113. 

  2114.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2115.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);

  2116.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(cc), true);

  2117.         CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc < MAX_MIDI_CONTROL, true);

  2118. 

  2119.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2120.             plugin->setParameterMidiCC(parameterId, static_cast<int16_t>(cc), true, false);

  2121.     }

  2122.     else if (std::strcmp(msg, "set_program") == 0)

  2123.     {

  2124.         uint32_t pluginId;

  2125.         int32_t index;

  2126. 

  2127.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2128.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true);

  2129. 

  2130.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2131.         {

  2132.             plugin->setProgram(index, true, true, false);

  2133.             _updateParamValues(plugin, pluginId, true, true);

  2134.         }

  2135.     }

  2136.     else if (std::strcmp(msg, "set_midi_program") == 0)

  2137.     {

  2138.         uint32_t pluginId;

  2139.         int32_t index;

  2140. 

  2141.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2142.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true);

  2143. 

  2144.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2145.         {

  2146.             plugin->setMidiProgram(index, true, true, false);

  2147.             _updateParamValues(plugin, pluginId, true, true);

  2148.         }

  2149.     }

  2150.     else if (std::strcmp(msg, "set_custom_data") == 0)

  2151.     {

  2152.         uint32_t pluginId;

  2153.         const char* type;

  2154.         const char* key;

  2155.         const char* value;

  2156. 

  2157.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2158.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(type), true);

  2159.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(key), true);

  2160.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(value), true);

  2161. 

  2162.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2163.             plugin->setCustomData(type, key, value, true);

  2164. 

  2165.         delete[] type;

  2166.         delete[] key;

  2167.         delete[] value;

  2168.     }

  2169.     else if (std::strcmp(msg, "set_chunk_data") == 0)

  2170.     {

  2171.         uint32_t pluginId;

  2172.         const char* cdata;

  2173. 

  2174.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2175.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(cdata), true);

  2176. 

  2177.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2178.         {

  2179.             std::vector<uint8_t> chunk(carla_getChunkFromBase64String(cdata));

  2180. #ifdef CARLA_PROPER_CPP11_SUPPORT

  2181.             plugin->setChunkData(chunk.data(), chunk.size());

  2182. #else

  2183.             plugin->setChunkData(&chunk.front(), chunk.size());

  2184. #endif

  2185.             _updateParamValues(plugin, pluginId, false, true);

  2186.         }

  2187. 

  2188.         delete[] cdata;

  2189.     }

  2190.     else if (std::strcmp(msg, "prepare_for_save") == 0)

  2191.     {

  2192.         uint32_t pluginId;

  2193. 

  2194.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2195. 

  2196.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2197.             plugin->prepareForSave();

  2198.     }

  2199.     else if (std::strcmp(msg, "reset_parameters") == 0)

  2200.     {

  2201.         uint32_t pluginId;

  2202. 

  2203.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2204. 

  2205.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2206.         {

  2207.             plugin->resetParameters();

  2208.             _updateParamValues(plugin, pluginId, false, true);

  2209.         }

  2210.     }

  2211.     else if (std::strcmp(msg, "randomize_parameters") == 0)

  2212.     {

  2213.         uint32_t pluginId;

  2214. 

  2215.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2216. 

  2217.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2218.         {

  2219.             plugin->randomizeParameters();

  2220.             _updateParamValues(plugin, pluginId, false, true);

  2221.         }

  2222.     }

  2223.     else if (std::strcmp(msg, "send_midi_note") == 0)

  2224.     {

  2225.         uint32_t pluginId, channel, note, velocity;

  2226. 

  2227.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2228.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(channel), true);

  2229.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(note), true);

  2230.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(velocity), true);

  2231.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);

  2232.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);

  2233.         CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);

  2234. 

  2235.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2236.             plugin->sendMidiSingleNote(static_cast<uint8_t>(channel), static_cast<uint8_t>(note), static_cast<uint8_t>(velocity), true, true, false);

  2237.     }

  2238.     else if (std::strcmp(msg, "show_custom_ui") == 0)

  2239.     {

  2240.         uint32_t pluginId;

  2241.         bool yesNo;

  2242. 

  2243.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);

  2244.         CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(yesNo), true);

  2245. 

  2246.         if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))

  2247.             plugin->showCustomUI(yesNo);

  2248.     }

  2249.     else

  2250.     {

  2251.         carla_stderr("CarlaEngineNativeUI::msgReceived : %s", msg);

  2252.         return false;

  2253.     }

  2254. 

  2255.     if (! ok)

  2256.     {

  2257.         const CarlaMutexLocker cml(getPipeLock());

  2258. 

  2259.         if (writeMessage("error\n", 6) && writeAndFixMessage(fEngine->getLastError()))

  2260.             flushMessages();

  2261.     }

  2262. 

  2263.     return true;

  2264. }

  2265. 

  2266. void CarlaEngineNativeUI::_updateParamValues(CarlaPlugin* const plugin, const uint32_t pluginId,

  2267.                                              const bool sendCallback, const bool sendPluginHost) const noexcept

  2268. {

  2269.     float value;

  2270. 

  2271.     for (uint32_t i=0, count=plugin->getParameterCount(); i<count; ++i) {

  2272.         value = plugin->getParameterValue(i);

  2273. 

  2274.         if (sendCallback) {

  2275.             fEngine->callback(true, true,

  2276.                               ENGINE_CALLBACK_PARAMETER_VALUE_CHANGED,

  2277.                               pluginId,

  2278.                               static_cast<int>(i),

  2279.                               0, 0,

  2280.                               value,

  2281.                               nullptr);

  2282.         }

  2283. 

  2284.         if (sendPluginHost) {

  2285.             fEngine->setParameterValueFromUI(pluginId, i, value);

  2286.         }

  2287.     }

  2288. }

  2289. 

  2290. // -----------------------------------------------------------------------

  2291. 

  2292. static const NativePluginDescriptor carlaRackDesc = {

  2293.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2294.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2295.                                                   |NATIVE_PLUGIN_HAS_UI

  2296.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2297.                                                   |NATIVE_PLUGIN_USES_STATE

  2298.                                                   |NATIVE_PLUGIN_USES_TIME),

  2299.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2300.     /* audioIns  */ 2,

  2301.     /* audioOuts */ 2,

  2302.     /* midiIns   */ 1,

  2303.     /* midiOuts  */ 1,

  2304.     /* paramIns  */ kNumInParams,

  2305.     /* paramOuts */ kNumOutParams,

  2306.     /* name      */ "Carla-Rack",

  2307.     /* label     */ "carlarack",

  2308.     /* maker     */ "falkTX",

  2309.     /* copyright */ "GNU GPL v2+",

  2310.     CarlaEngineNative::_instantiateRack,

  2311.     CarlaEngineNative::_cleanup,

  2312.     CarlaEngineNative::_get_parameter_count,

  2313.     CarlaEngineNative::_get_parameter_info,

  2314.     CarlaEngineNative::_get_parameter_value,

  2315.     CarlaEngineNative::_get_midi_program_count,

  2316.     CarlaEngineNative::_get_midi_program_info,

  2317.     CarlaEngineNative::_set_parameter_value,

  2318.     CarlaEngineNative::_set_midi_program,

  2319.     /* _set_custom_data        */ nullptr,

  2320.     CarlaEngineNative::_ui_show,

  2321.     CarlaEngineNative::_ui_idle,

  2322.     CarlaEngineNative::_ui_set_parameter_value,

  2323.     /* _ui_set_midi_program    */ nullptr,

  2324.     /* _ui_set_custom_data     */ nullptr,

  2325.     CarlaEngineNative::_activate,

  2326.     CarlaEngineNative::_deactivate,

  2327.     CarlaEngineNative::_process,

  2328.     CarlaEngineNative::_get_state,

  2329.     CarlaEngineNative::_set_state,

  2330.     CarlaEngineNative::_dispatcher

  2331. };

  2332. 

  2333. static const NativePluginDescriptor carlaRackNoMidiOutDesc = {

  2334.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2335.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2336.                                                   |NATIVE_PLUGIN_HAS_UI

  2337.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2338.                                                   |NATIVE_PLUGIN_USES_STATE

  2339.                                                   |NATIVE_PLUGIN_USES_TIME),

  2340.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2341.     /* audioIns  */ 2,

  2342.     /* audioOuts */ 2,

  2343.     /* midiIns   */ 1,

  2344.     /* midiOuts  */ 0,

  2345.     /* paramIns  */ kNumInParams,

  2346.     /* paramOuts */ kNumOutParams,

  2347.     /* name      */ "Carla-Rack (no midi out)",

  2348.     /* label     */ "carlarack-nomidiout",

  2349.     /* maker     */ "falkTX",

  2350.     /* copyright */ "GNU GPL v2+",

  2351.     CarlaEngineNative::_instantiateRackNoMidiOut,

  2352.     CarlaEngineNative::_cleanup,

  2353.     CarlaEngineNative::_get_parameter_count,

  2354.     CarlaEngineNative::_get_parameter_info,

  2355.     CarlaEngineNative::_get_parameter_value,

  2356.     CarlaEngineNative::_get_midi_program_count,

  2357.     CarlaEngineNative::_get_midi_program_info,

  2358.     CarlaEngineNative::_set_parameter_value,

  2359.     CarlaEngineNative::_set_midi_program,

  2360.     /* _set_custom_data        */ nullptr,

  2361.     CarlaEngineNative::_ui_show,

  2362.     CarlaEngineNative::_ui_idle,

  2363.     /* _ui_set_parameter_value */ nullptr,

  2364.     /* _ui_set_midi_program    */ nullptr,

  2365.     /* _ui_set_custom_data     */ nullptr,

  2366.     CarlaEngineNative::_activate,

  2367.     CarlaEngineNative::_deactivate,

  2368.     CarlaEngineNative::_process,

  2369.     CarlaEngineNative::_get_state,

  2370.     CarlaEngineNative::_set_state,

  2371.     CarlaEngineNative::_dispatcher

  2372. };

  2373. 

  2374. static const NativePluginDescriptor carlaPatchbayDesc = {

  2375.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2376.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2377.                                                   |NATIVE_PLUGIN_HAS_UI

  2378.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2379.                                                   |NATIVE_PLUGIN_USES_STATE

  2380.                                                   |NATIVE_PLUGIN_USES_TIME),

  2381.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2382.     /* audioIns  */ 2,

  2383.     /* audioOuts */ 2,

  2384.     /* midiIns   */ 1,

  2385.     /* midiOuts  */ 1,

  2386.     /* paramIns  */ kNumInParams,

  2387.     /* paramOuts */ kNumOutParams,

  2388.     /* name      */ "Carla-Patchbay",

  2389.     /* label     */ "carlapatchbay",

  2390.     /* maker     */ "falkTX",

  2391.     /* copyright */ "GNU GPL v2+",

  2392.     CarlaEngineNative::_instantiatePatchbay,

  2393.     CarlaEngineNative::_cleanup,

  2394.     CarlaEngineNative::_get_parameter_count,

  2395.     CarlaEngineNative::_get_parameter_info,

  2396.     CarlaEngineNative::_get_parameter_value,

  2397.     CarlaEngineNative::_get_midi_program_count,

  2398.     CarlaEngineNative::_get_midi_program_info,

  2399.     CarlaEngineNative::_set_parameter_value,

  2400.     CarlaEngineNative::_set_midi_program,

  2401.     /* _set_custom_data        */ nullptr,

  2402.     CarlaEngineNative::_ui_show,

  2403.     CarlaEngineNative::_ui_idle,

  2404.     /* _ui_set_parameter_value */ nullptr,

  2405.     /* _ui_set_midi_program    */ nullptr,

  2406.     /* _ui_set_custom_data     */ nullptr,

  2407.     CarlaEngineNative::_activate,

  2408.     CarlaEngineNative::_deactivate,

  2409.     CarlaEngineNative::_process,

  2410.     CarlaEngineNative::_get_state,

  2411.     CarlaEngineNative::_set_state,

  2412.     CarlaEngineNative::_dispatcher

  2413. };

  2414. 

  2415. static const NativePluginDescriptor carlaPatchbay3sDesc = {

  2416.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2417.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2418.                                                   |NATIVE_PLUGIN_HAS_UI

  2419.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2420.                                                   |NATIVE_PLUGIN_USES_STATE

  2421.                                                   |NATIVE_PLUGIN_USES_TIME),

  2422.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2423.     /* audioIns  */ 3,

  2424.     /* audioOuts */ 2,

  2425.     /* midiIns   */ 1,

  2426.     /* midiOuts  */ 1,

  2427.     /* paramIns  */ kNumInParams,

  2428.     /* paramOuts */ kNumOutParams,

  2429.     /* name      */ "Carla-Patchbay (sidechain)",

  2430.     /* label     */ "carlapatchbay3s",

  2431.     /* maker     */ "falkTX",

  2432.     /* copyright */ "GNU GPL v2+",

  2433.     CarlaEngineNative::_instantiatePatchbay3s,

  2434.     CarlaEngineNative::_cleanup,

  2435.     CarlaEngineNative::_get_parameter_count,

  2436.     CarlaEngineNative::_get_parameter_info,

  2437.     CarlaEngineNative::_get_parameter_value,

  2438.     CarlaEngineNative::_get_midi_program_count,

  2439.     CarlaEngineNative::_get_midi_program_info,

  2440.     CarlaEngineNative::_set_parameter_value,

  2441.     CarlaEngineNative::_set_midi_program,

  2442.     /* _set_custom_data        */ nullptr,

  2443.     CarlaEngineNative::_ui_show,

  2444.     CarlaEngineNative::_ui_idle,

  2445.     /* _ui_set_parameter_value */ nullptr,

  2446.     /* _ui_set_midi_program    */ nullptr,

  2447.     /* _ui_set_custom_data     */ nullptr,

  2448.     CarlaEngineNative::_activate,

  2449.     CarlaEngineNative::_deactivate,

  2450.     CarlaEngineNative::_process,

  2451.     CarlaEngineNative::_get_state,

  2452.     CarlaEngineNative::_set_state,

  2453.     CarlaEngineNative::_dispatcher

  2454. };

  2455. 

  2456. static const NativePluginDescriptor carlaPatchbay16Desc = {

  2457.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2458.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2459.                                                   |NATIVE_PLUGIN_HAS_UI

  2460.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2461.                                                   |NATIVE_PLUGIN_USES_STATE

  2462.                                                   |NATIVE_PLUGIN_USES_TIME),

  2463.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2464.     /* audioIns  */ 16,

  2465.     /* audioOuts */ 16,

  2466.     /* midiIns   */ 1,

  2467.     /* midiOuts  */ 1,

  2468.     /* paramIns  */ kNumInParams,

  2469.     /* paramOuts */ kNumOutParams,

  2470.     /* name      */ "Carla-Patchbay (16chan)",

  2471.     /* label     */ "carlapatchbay16",

  2472.     /* maker     */ "falkTX",

  2473.     /* copyright */ "GNU GPL v2+",

  2474.     CarlaEngineNative::_instantiatePatchbay16,

  2475.     CarlaEngineNative::_cleanup,

  2476.     CarlaEngineNative::_get_parameter_count,

  2477.     CarlaEngineNative::_get_parameter_info,

  2478.     CarlaEngineNative::_get_parameter_value,

  2479.     CarlaEngineNative::_get_midi_program_count,

  2480.     CarlaEngineNative::_get_midi_program_info,

  2481.     CarlaEngineNative::_set_parameter_value,

  2482.     CarlaEngineNative::_set_midi_program,

  2483.     /* _set_custom_data        */ nullptr,

  2484.     CarlaEngineNative::_ui_show,

  2485.     CarlaEngineNative::_ui_idle,

  2486.     /* _ui_set_parameter_value */ nullptr,

  2487.     /* _ui_set_midi_program    */ nullptr,

  2488.     /* _ui_set_custom_data     */ nullptr,

  2489.     CarlaEngineNative::_activate,

  2490.     CarlaEngineNative::_deactivate,

  2491.     CarlaEngineNative::_process,

  2492.     CarlaEngineNative::_get_state,

  2493.     CarlaEngineNative::_set_state,

  2494.     CarlaEngineNative::_dispatcher

  2495. };

  2496. 

  2497. static const NativePluginDescriptor carlaPatchbay32Desc = {

  2498.     /* category  */ NATIVE_PLUGIN_CATEGORY_OTHER,

  2499.     /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_SYNTH

  2500.                                                   |NATIVE_PLUGIN_HAS_UI

  2501.                                                   |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD

  2502.                                                   |NATIVE_PLUGIN_USES_STATE

  2503.                                                   |NATIVE_PLUGIN_USES_TIME),

  2504.     /* supports  */ static_cast<NativePluginSupports>(NATIVE_PLUGIN_SUPPORTS_EVERYTHING),

  2505.     /* audioIns  */ 32,

  2506.     /* audioOuts */ 32,

  2507.     /* midiIns   */ 1,

  2508.     /* midiOuts  */ 1,

  2509.     /* paramIns  */ kNumInParams,

  2510.     /* paramOuts */ kNumOutParams,

  2511.     /* name      */ "Carla-Patchbay (32chan)",

  2512.     /* label     */ "carlapatchbay32",

  2513.     /* maker     */ "falkTX",

  2514.     /* copyright */ "GNU GPL v2+",

  2515.     CarlaEngineNative::_instantiatePatchbay32,

  2516.     CarlaEngineNative::_cleanup,

  2517.     CarlaEngineNative::_get_parameter_count,

  2518.     CarlaEngineNative::_get_parameter_info,

  2519.     CarlaEngineNative::_get_parameter_value,

  2520.     CarlaEngineNative::_get_midi_program_count,

  2521.     CarlaEngineNative::_get_midi_program_info,

  2522.     CarlaEngineNative::_set_parameter_value,

  2523.     CarlaEngineNative::_set_midi_program,

  2524.     /* _set_custom_data        */ nullptr,

  2525.     CarlaEngineNative::_ui_show,

  2526.     CarlaEngineNative::_ui_idle,

  2527.     /* _ui_set_parameter_value */ nullptr,

  2528.     /* _ui_set_midi_program    */ nullptr,

  2529.     /* _ui_set_custom_data     */ nullptr,

  2530.     CarlaEngineNative::_activate,

  2531.     CarlaEngineNative::_deactivate,

  2532.     CarlaEngineNative::_process,

  2533.     CarlaEngineNative::_get_state,

  2534.     CarlaEngineNative::_set_state,

  2535.     CarlaEngineNative::_dispatcher

  2536. };

  2537. 

  2538. CARLA_BACKEND_END_NAMESPACE

  2539. 

  2540. // -----------------------------------------------------------------------

  2541. 

  2542. CARLA_EXPORT

  2543. void carla_register_native_plugin_carla();

  2544. 

  2545. void carla_register_native_plugin_carla()

  2546. {

  2547.     CARLA_BACKEND_USE_NAMESPACE;

  2548.     carla_register_native_plugin(&carlaRackDesc);

  2549.     carla_register_native_plugin(&carlaRackNoMidiOutDesc);

  2550.     carla_register_native_plugin(&carlaPatchbayDesc);

  2551.     carla_register_native_plugin(&carlaPatchbay3sDesc);

  2552.     carla_register_native_plugin(&carlaPatchbay16Desc);

  2553.     carla_register_native_plugin(&carlaPatchbay32Desc);

  2554. }

  2555. 

  2556. // -----------------------------------------------------------------------

  2557. 

  2558. const NativePluginDescriptor* carla_get_native_rack_plugin()

  2559. {

  2560.     CARLA_BACKEND_USE_NAMESPACE;

  2561.     return &carlaRackDesc;

  2562. }

  2563. 

  2564. const NativePluginDescriptor* carla_get_native_patchbay_plugin()

  2565. {

  2566.     CARLA_BACKEND_USE_NAMESPACE;

  2567.     return &carlaPatchbayDesc;

  2568. }

  2569. 

  2570. const NativePluginDescriptor* carla_get_native_patchbay16_plugin()

  2571. {

  2572.     CARLA_BACKEND_USE_NAMESPACE;

  2573.     return &carlaPatchbay16Desc;

  2574. }

  2575. 

  2576. const NativePluginDescriptor* carla_get_native_patchbay32_plugin()

  2577. {

  2578.     CARLA_BACKEND_USE_NAMESPACE;

  2579.     return &carlaPatchbay32Desc;

  2580. }

  2581. 

  2582. // -----------------------------------------------------------------------

  2583. // Extra stuff for linking purposes

  2584. 

  2585. #ifdef CARLA_PLUGIN_EXPORT

  2586. 

  2587. CARLA_BACKEND_START_NAMESPACE

  2588. 

  2589. CarlaEngine* CarlaEngine::newJack() { return nullptr; }

  2590. 

  2591. # ifdef USING_JUCE

  2592. CarlaEngine*       CarlaEngine::newJuce(const AudioApi)           { return nullptr; }

  2593. uint               CarlaEngine::getJuceApiCount()                 { return 0;       }

  2594. const char*        CarlaEngine::getJuceApiName(const uint)        { return nullptr; }

  2595. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }

  2596. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }

  2597. # else

  2598. CarlaEngine*       CarlaEngine::newRtAudio(const AudioApi)           { return nullptr; }

  2599. uint               CarlaEngine::getRtAudioApiCount()                 { return 0;       }

  2600. const char*        CarlaEngine::getRtAudioApiName(const uint)        { return nullptr; }

  2601. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }

  2602. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }

  2603. # endif

  2604. 

  2605. CARLA_BACKEND_END_NAMESPACE

  2606. 

  2607. #define CARLA_PLUGIN_UI_CLASS_PREFIX EngineNative

  2608. #include "CarlaHostCommon.cpp"

  2609. #include "CarlaPluginUI.cpp"

  2610. #include "CarlaDssiUtils.cpp"

  2611. #include "CarlaMacUtils.cpp"

  2612. #include "CarlaPatchbayUtils.cpp"

  2613. #include "CarlaPipeUtils.cpp"

  2614. #include "CarlaStateUtils.cpp"

  2615. 

  2616. #endif

  2617. 

  2618. // -----------------------------------------------------------------------