falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3038 Commits
16 Branches
361MB
Tree: 52b7862ab4
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '52b7862ab4'
${ noResults }
Carla/source/backend/plugin/CarlaPluginDSSI.cpp

2886 lines
104KB
Raw Blame History 

  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2015 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 "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaDssiUtils.hpp"

  22. #include "CarlaMathUtils.hpp"

  23. 

  24. #ifdef HAVE_LIBLO

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. using juce::ChildProcess;

  31. using juce::ScopedPointer;

  32. using juce::String;

  33. using juce::StringArray;

  34. 

  35. #define CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(/* argc, types, */ argcToCompare, typesToCompare)                                 \

  36.     /* check argument count */                                                                                                  \

  37.     if (argc != argcToCompare)                                                                                                  \

  38.     {                                                                                                                           \

  39.         carla_stderr("CarlaPluginDSSI::%s() - argument count mismatch: %i != %i", __FUNCTION__, argc, argcToCompare);           \

  40.         return;                                                                                                                 \

  41.     }                                                                                                                           \

  42.     if (argc > 0)                                                                                                               \

  43.     {                                                                                                                           \

  44.         /* check for nullness */                                                                                                \

  45.         if (types == nullptr || typesToCompare == nullptr)                                                                      \

  46.         {                                                                                                                       \

  47.             carla_stderr("CarlaPluginDSSI::%s() - argument types are null", __FUNCTION__);                                      \

  48.             return;                                                                                                             \

  49.         }                                                                                                                       \

  50.         /* check argument types */                                                                                              \

  51.         if (std::strcmp(types, typesToCompare) != 0)                                                                            \

  52.         {                                                                                                                       \

  53.             carla_stderr("CarlaPluginDSSI::%s() - argument types mismatch: '%s' != '%s'", __FUNCTION__, types, typesToCompare); \

  54.             return;                                                                                                             \

  55.         }                                                                                                                       \

  56.     }

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

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

  61. // Fallback data

  62. 

  63. static const CustomData kCustomDataFallback = { nullptr, nullptr, nullptr };

  64. 

  65. #ifdef HAVE_LIBLO

  66. // -------------------------------------------------------------------

  67. 

  68. class CarlaThreadDSSIUI : public CarlaThread

  69. {

  70. public:

  71.     CarlaThreadDSSIUI(CarlaEngine* const engine, CarlaPlugin* const plugin, const CarlaOscData& oscData) noexcept

  72.         : CarlaThread("CarlaThreadDSSIUI"),

  73.           kEngine(engine),

  74.           kPlugin(plugin),

  75.           fBinary(),

  76.           fLabel(),

  77.           fOscData(oscData),

  78.           fProcess() {}

  79. 

  80.     void setData(const char* const binary, const char* const label) noexcept

  81.     {

  82.         CARLA_SAFE_ASSERT_RETURN(binary != nullptr && binary[0] != '\0',);

  83.         CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/,);

  84.         CARLA_SAFE_ASSERT(! isThreadRunning());

  85. 

  86.         fBinary = binary;

  87.         fLabel  = label;

  88. 

  89.         if (fLabel.isEmpty())

  90.             fLabel = "\"\"";

  91.     }

  92. 

  93.     uintptr_t getProcessPID() const noexcept

  94.     {

  95.         CARLA_SAFE_ASSERT_RETURN(fProcess != nullptr, 0);

  96. 

  97.         return (uintptr_t)fProcess->getPID();

  98.     }

  99. 

  100.     void run()

  101.     {

  102.         if (fProcess == nullptr)

  103.         {

  104.             fProcess = new ChildProcess();

  105.         }

  106.         else if (fProcess->isRunning())

  107.         {

  108.             carla_stderr("CarlaThreadDSSI::run() - already running, giving up...");

  109. 

  110.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  111.             fProcess->kill();

  112.             fProcess = nullptr;

  113.             return;

  114.         }

  115. 

  116.         String name(kPlugin->getName());

  117.         String filename(kPlugin->getFilename());

  118. 

  119.         if (name.isEmpty())

  120.             name = "(none)";

  121. 

  122.         if (filename.isEmpty())

  123.             filename = "\"\"";

  124. 

  125.         StringArray arguments;

  126. 

  127.         // binary

  128.         arguments.add(fBinary.buffer());

  129. 

  130.         // osc-url

  131.         arguments.add(String(kEngine->getOscServerPathUDP()) + String("/") + String(kPlugin->getId()));

  132. 

  133.         // filename

  134.         arguments.add(filename);

  135. 

  136.         // label

  137.         arguments.add(fLabel.buffer());

  138. 

  139.         // ui-title

  140.         arguments.add(name + String(" (GUI)"));

  141. 

  142.         bool started;

  143. 

  144.         {

  145. #ifdef CARLA_OS_LINUX

  146.             /*

  147.              * If the frontend uses winId parent, set LD_PRELOAD to auto-map the DSSI UI.

  148.              * If not, unset LD_PRELOAD.

  149.              */

  150.             const uintptr_t winId(kEngine->getOptions().frontendWinId);

  151. 

  152.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  153.             char winIdStr[STR_MAX+1];

  154.             winIdStr[STR_MAX] = '\0';

  155. 

  156.             // for LD_PRELOAD

  157.             CarlaString ldPreloadValue;

  158. 

  159.             if (winId != 0)

  160.             {

  161.                 std::snprintf(winIdStr, STR_MAX, P_UINTPTR, kEngine->getOptions().frontendWinId);

  162.                 ldPreloadValue = (CarlaString(kEngine->getOptions().binaryDir) + CARLA_OS_SEP_STR "libcarla_interposer-x11.so");

  163.             }

  164. 

  165.             const ScopedEngineEnvironmentLocker _seel(kEngine);

  166.             const ScopedEnvVar _sev1("CARLA_ENGINE_OPTION_FRONTEND_WIN_ID", winIdStr[0] != '\0' ? winIdStr : nullptr);

  167.             const ScopedEnvVar _sev2("LD_PRELOAD", ldPreloadValue.isNotEmpty() ? ldPreloadValue.buffer() : nullptr);

  168. #endif // CARLA_OS_LINUX

  169. 

  170.             // start the DSSI UI application

  171.             carla_stdout("starting DSSI UI...");

  172.             started = fProcess->start(arguments);

  173.         }

  174. 

  175.         if (! started)

  176.         {

  177.             carla_stdout("failed!");

  178.             fProcess = nullptr;

  179.             return;

  180.         }

  181. 

  182.         if (waitForOscGuiShow())

  183.         {

  184.             for (; fProcess->isRunning() && ! shouldThreadExit();)

  185.                 carla_sleep(1);

  186. 

  187.             // we only get here if UI was closed or thread asked to exit

  188.             if (fProcess->isRunning() && shouldThreadExit())

  189.             {

  190.                 fProcess->waitForProcessToFinish(static_cast<int>(kEngine->getOptions().uiBridgesTimeout));

  191. 

  192.                 if (fProcess->isRunning())

  193.                 {

  194.                     carla_stdout("CarlaThreadDSSIUI::run() - UI refused to close, force kill now");

  195.                     fProcess->kill();

  196.                 }

  197.                 else

  198.                 {

  199.                     carla_stdout("CarlaThreadDSSIUI::run() - UI auto-closed successfully");

  200.                 }

  201.             }

  202.             else if (fProcess->getExitCode() != 0 /*|| fProcess->exitStatus() == QProcess::CrashExit*/)

  203.                 carla_stderr("CarlaThreadDSSIUI::run() - UI crashed while running");

  204.             else

  205.                 carla_stdout("CarlaThreadDSSIUI::run() - UI closed cleanly");

  206. 

  207.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  208.         }

  209.         else

  210.         {

  211.             fProcess->kill();

  212. 

  213.             carla_stdout("CarlaThreadDSSIUI::run() - GUI timeout");

  214.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  215.         }

  216. 

  217.         carla_stdout("DSSI UI finished");

  218.         fProcess = nullptr;

  219.     }

  220. 

  221. private:

  222.     CarlaEngine* const kEngine;

  223.     CarlaPlugin* const kPlugin;

  224. 

  225.     CarlaString fBinary;

  226.     CarlaString fLabel;

  227. 

  228.     const CarlaOscData&         fOscData;

  229.     ScopedPointer<ChildProcess> fProcess;

  230. 

  231.     bool waitForOscGuiShow()

  232.     {

  233.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow()");

  234.         uint i=0, oscUiTimeout = kEngine->getOptions().uiBridgesTimeout;

  235. 

  236.         // wait for UI 'update' call

  237.         for (; i < oscUiTimeout/100; ++i)

  238.         {

  239.             if (fOscData.target != nullptr)

  240.             {

  241.                 carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - got response, asking UI to show itself now");

  242.                 osc_send_show(fOscData);

  243.                 return true;

  244.             }

  245. 

  246.             if (fProcess != nullptr && fProcess->isRunning())

  247.                 carla_msleep(100);

  248.             else

  249.                 return false;

  250.         }

  251. 

  252.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - Timeout while waiting for UI to respond (waited %u msecs)", oscUiTimeout);

  253.         return false;

  254.     }

  255. 

  256.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  257. };

  258. #endif

  259. 

  260. // -----------------------------------------------------

  261. 

  262. class CarlaPluginDSSI : public CarlaPlugin

  263. {

  264. public:

  265.     CarlaPluginDSSI(CarlaEngine* const engine, const uint id) noexcept

  266.         : CarlaPlugin(engine, id),

  267.           fHandles(),

  268.           fDescriptor(nullptr),

  269.           fDssiDescriptor(nullptr),

  270.           fAudioInBuffers(nullptr),

  271.           fAudioOutBuffers(nullptr),

  272.           fExtraStereoBuffer(),

  273.           fParamBuffers(nullptr),

  274.           fLatencyIndex(-1),

  275.           fForcedStereoIn(false),

  276.           fForcedStereoOut(false),

  277.           fIsDssiVst(false),

  278.           fUsesCustomData(false)

  279. #ifdef HAVE_LIBLO

  280.         , fOscData(),

  281.           fThreadUI(engine, this, fOscData),

  282.           fUiFilename(nullptr)

  283. #endif

  284.     {

  285.         carla_debug("CarlaPluginDSSI::CarlaPluginDSSI(%p, %i)", engine, id);

  286. 

  287.         carla_zeroPointers(fExtraStereoBuffer, 2);

  288.     }

  289. 

  290.     ~CarlaPluginDSSI() noexcept override

  291.     {

  292.         carla_debug("CarlaPluginDSSI::~CarlaPluginDSSI()");

  293. 

  294. #ifdef HAVE_LIBLO

  295.         // close UI

  296.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  297.         {

  298.             showCustomUI(false);

  299. 

  300.             fThreadUI.stopThread(static_cast<int>(pData->engine->getOptions().uiBridgesTimeout * 2));

  301.         }

  302. #endif

  303. 

  304.         pData->singleMutex.lock();

  305.         pData->masterMutex.lock();

  306. 

  307.         if (pData->client != nullptr && pData->client->isActive())

  308.             pData->client->deactivate();

  309. 

  310.         if (pData->active)

  311.         {

  312.             deactivate();

  313.             pData->active = false;

  314.         }

  315. 

  316.         if (fDescriptor != nullptr)

  317.         {

  318.             if (fDescriptor->cleanup != nullptr)

  319.             {

  320.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  321.                 {

  322.                     LADSPA_Handle const handle(it.getValue(nullptr));

  323.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  324. 

  325.                     try {

  326.                         fDescriptor->cleanup(handle);

  327.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  328.                 }

  329.             }

  330. 

  331.             fHandles.clear();

  332.             fDescriptor = nullptr;

  333.             fDssiDescriptor = nullptr;

  334.         }

  335. 

  336. #ifdef HAVE_LIBLO

  337.         if (fUiFilename != nullptr)

  338.         {

  339.             delete[] fUiFilename;

  340.             fUiFilename = nullptr;

  341.         }

  342. #endif

  343. 

  344.         clearBuffers();

  345.     }

  346. 

  347.     // -------------------------------------------------------------------

  348.     // Information (base)

  349. 

  350.     PluginType getType() const noexcept override

  351.     {

  352.         return PLUGIN_DSSI;

  353.     }

  354. 

  355.     PluginCategory getCategory() const noexcept override

  356.     {

  357.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, PLUGIN_CATEGORY_NONE);

  358. 

  359.         if (pData->audioIn.count == 0 && pData->audioOut.count > 0 && fDssiDescriptor->run_synth != nullptr)

  360.             return PLUGIN_CATEGORY_SYNTH;

  361. 

  362.         return CarlaPlugin::getCategory();

  363.     }

  364. 

  365.     int64_t getUniqueId() const noexcept override

  366.     {

  367.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0);

  368. 

  369.         return static_cast<int64_t>(fDescriptor->UniqueID);

  370.     }

  371. 

  372.     // -------------------------------------------------------------------

  373.     // Information (count)

  374. 

  375.     // nothing

  376. 

  377.     // -------------------------------------------------------------------

  378.     // Information (current data)

  379. 

  380.     std::size_t getChunkData(void** const dataPtr) noexcept override

  381.     {

  382.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

  383.         CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS, 0);

  384.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, 0);

  385.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->get_custom_data != nullptr, 0);

  386.         CARLA_SAFE_ASSERT_RETURN(fHandles.count() > 0, 0);

  387.         CARLA_SAFE_ASSERT_RETURN(dataPtr != nullptr, 0);

  388. 

  389.         *dataPtr = nullptr;

  390. 

  391.         int ret = 0;

  392.         ulong dataSize = 0;

  393. 

  394.         try {

  395.             ret = fDssiDescriptor->get_custom_data(fHandles.getFirst(nullptr), dataPtr, &dataSize);

  396.         } CARLA_SAFE_EXCEPTION_RETURN("CarlaPluginDSSI::getChunkData", 0);

  397. 

  398.         return (ret != 0) ? dataSize : 0;

  399.     }

  400. 

  401.     // -------------------------------------------------------------------

  402.     // Information (per-plugin data)

  403. 

  404.     uint getOptionsAvailable() const noexcept override

  405.     {

  406.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, 0x0);

  407. 

  408.         uint options = 0x0;

  409. 

  410.         if (! fIsDssiVst)

  411.         {

  412.             // can't disable fixed buffers if using latency

  413.             if (fLatencyIndex == -1)

  414.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  415. 

  416.             // can't disable forced stereo if in rack mode

  417.             if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  418.                 pass();

  419.             // if inputs or outputs are just 1, then yes we can force stereo

  420.             else if (pData->audioIn.count == 1 || pData->audioOut.count == 1 || fForcedStereoIn || fForcedStereoOut)

  421.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  422.         }

  423. 

  424.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  425.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  426. 

  427.         if (fDssiDescriptor->run_synth != nullptr)

  428.         {

  429.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  430.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  431.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  432.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  433.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  434.         }

  435. 

  436.         if (fUsesCustomData)

  437.             options |= PLUGIN_OPTION_USE_CHUNKS;

  438. 

  439.         return options;

  440.     }

  441. 

  442.     float getParameterValue(const uint32_t parameterId) const noexcept override

  443.     {

  444.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr, 0.0f);

  445.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  446. 

  447.         // bad plugins might have set output values out of bounds

  448.         if (pData->param.data[parameterId].type == PARAMETER_OUTPUT)

  449.             return pData->param.ranges[parameterId].getFixedValue(fParamBuffers[parameterId]);

  450. 

  451.         // not output, should be fine

  452.         return fParamBuffers[parameterId];

  453.     }

  454. 

  455.     void getLabel(char* const strBuf) const noexcept override

  456.     {

  457.         CARLA_SAFE_ASSERT_RETURN(fDescriptor        != nullptr, nullStrBuf(strBuf));

  458.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Label != nullptr, nullStrBuf(strBuf));

  459. 

  460.         std::strncpy(strBuf, fDescriptor->Label, STR_MAX);

  461.     }

  462. 

  463.     void getMaker(char* const strBuf) const noexcept override

  464.     {

  465.         CARLA_SAFE_ASSERT_RETURN(fDescriptor        != nullptr, nullStrBuf(strBuf));

  466.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Maker != nullptr, nullStrBuf(strBuf));

  467. 

  468.         std::strncpy(strBuf, fDescriptor->Maker, STR_MAX);

  469.     }

  470. 

  471.     void getCopyright(char* const strBuf) const noexcept override

  472.     {

  473.         CARLA_SAFE_ASSERT_RETURN(fDescriptor            != nullptr, nullStrBuf(strBuf));

  474.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Copyright != nullptr, nullStrBuf(strBuf));

  475. 

  476.         std::strncpy(strBuf, fDescriptor->Copyright, STR_MAX);

  477.     }

  478. 

  479.     void getRealName(char* const strBuf) const noexcept override

  480.     {

  481.         CARLA_SAFE_ASSERT_RETURN(fDescriptor       != nullptr, nullStrBuf(strBuf));

  482.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Name != nullptr, nullStrBuf(strBuf));

  483. 

  484.         std::strncpy(strBuf, fDescriptor->Name, STR_MAX);

  485.     }

  486. 

  487.     void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  488.     {

  489.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,           nullStrBuf(strBuf));

  490.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  491. 

  492.         const int32_t rindex(pData->param.data[parameterId].rindex);

  493. 

  494.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), nullStrBuf(strBuf));

  495.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr,             nullStrBuf(strBuf));

  496. 

  497.         if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, true))

  498.             return;

  499. 

  500.         std::strncpy(strBuf, fDescriptor->PortNames[rindex], STR_MAX);

  501.     }

  502. 

  503.     void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  504.     {

  505.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  506. 

  507.         const int32_t rindex(pData->param.data[parameterId].rindex);

  508. 

  509.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), nullStrBuf(strBuf));

  510. 

  511.         if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, false))

  512.             return;

  513. 

  514.         nullStrBuf(strBuf);

  515.     }

  516. 

  517.     // -------------------------------------------------------------------

  518.     // Set data (state)

  519. 

  520.     // nothing

  521. 

  522.     // -------------------------------------------------------------------

  523.     // Set data (internal stuff)

  524. 

  525.     void setId(const uint newId) noexcept

  526.     {

  527.         CarlaPlugin::setId(newId);

  528. 

  529.         // UI osc-url uses Id, so we need to close it when it changes

  530.         // FIXME - must be RT safe

  531.         showCustomUI(false);

  532.     }

  533. 

  534.     // -------------------------------------------------------------------

  535.     // Set data (plugin-specific stuff)

  536. 

  537.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  538.     {

  539.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

  540.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  541. 

  542.         const float fixedValue(pData->param.getFixedValue(parameterId, value));

  543.         fParamBuffers[parameterId] = fixedValue;

  544. 

  545.         CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback);

  546.     }

  547. 

  548.     void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override

  549.     {

  550.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  551.         CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',);

  552.         CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  553.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  554.         carla_debug("CarlaPluginDSSI::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui));

  555. 

  556.         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)

  557.             return CarlaPlugin::setCustomData(type, key, value, sendGui);

  558. 

  559.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0)

  560.             return carla_stderr2("CarlaPluginDSSI::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui));

  561. 

  562.         if (fDssiDescriptor->configure != nullptr && fHandles.count() > 0)

  563.         {

  564.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  565.             {

  566.                 LADSPA_Handle const handle(it.getValue(nullptr));

  567.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  568. 

  569.                 try {

  570.                     fDssiDescriptor->configure(handle, key, value);

  571.                 } catch(...) {}

  572.             }

  573.         }

  574. 

  575. #ifdef HAVE_LIBLO

  576.         if (sendGui && fOscData.target != nullptr)

  577.             osc_send_configure(fOscData, key, value);

  578. #endif

  579. 

  580.         if (std::strcmp(key, "reloadprograms") == 0 || std::strcmp(key, "load") == 0 || std::strncmp(key, "patches", 7) == 0)

  581.         {

  582.             const ScopedSingleProcessLocker spl(this, true);

  583.             reloadPrograms(false);

  584.         }

  585. 

  586.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  587.     }

  588. 

  589.     void setChunkData(const void* const data, const std::size_t dataSize) override

  590.     {

  591.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

  592.         CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS,);

  593.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  594.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->set_custom_data != nullptr,);

  595.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  596.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  597. 

  598.         if (fHandles.count() > 0)

  599.         {

  600.             const ScopedSingleProcessLocker spl(this, true);

  601. 

  602.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  603.             {

  604.                 LADSPA_Handle const handle(it.getValue(nullptr));

  605.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  606. 

  607.                 try {

  608.                     fDssiDescriptor->set_custom_data(handle, const_cast<void*>(data), static_cast<ulong>(dataSize));

  609.                 } CARLA_SAFE_EXCEPTION("CarlaPluginDSSI::setChunkData");

  610.             }

  611.         }

  612. 

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

  614.         const bool sendOsc(pData->engine->isOscControlRegistered());

  615. #else

  616.         const bool sendOsc(false);

  617. #endif

  618.         pData->updateParameterValues(this, sendOsc, true, false);

  619.     }

  620. 

  621.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  622.     {

  623.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  624.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->select_program != nullptr,);

  625.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  626. 

  627.         if (index >= 0 && fHandles.count() > 0)

  628.         {

  629.             const uint32_t bank(pData->midiprog.data[index].bank);

  630.             const uint32_t program(pData->midiprog.data[index].program);

  631. 

  632.             const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback));

  633. 

  634.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  635.             {

  636.                 LADSPA_Handle const handle(it.getValue(nullptr));

  637.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  638. 

  639.                 try {

  640.                     fDssiDescriptor->select_program(handle, bank, program);

  641.                 } catch(...) {}

  642.             }

  643.         }

  644. 

  645.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  646.     }

  647. 

  648. #ifdef HAVE_LIBLO

  649.     // -------------------------------------------------------------------

  650.     // Set ui stuff

  651. 

  652.     void showCustomUI(const bool yesNo) override

  653.     {

  654.         if (yesNo)

  655.         {

  656.             fOscData.clear();

  657.             fThreadUI.startThread();

  658.         }

  659.         else

  660.         {

  661.             pData->transientTryCounter = 0;

  662. 

  663.             if (fOscData.target != nullptr)

  664.             {

  665.                 osc_send_hide(fOscData);

  666.                 osc_send_quit(fOscData);

  667.                 fOscData.clear();

  668.             }

  669. 

  670.             fThreadUI.stopThread(static_cast<int>(pData->engine->getOptions().uiBridgesTimeout * 2));

  671.         }

  672.     }

  673. #endif

  674. 

  675. #if 0 // TODO

  676.     void idle() override

  677.     {

  678.         if (fLatencyChanged && fLatencyIndex != -1)

  679.         {

  680.             fLatencyChanged = false;

  681. 

  682.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  683. 

  684.             if (latency >= 0)

  685.             {

  686.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  687. 

  688.                 if (pData->latency != ulatency)

  689.                 {

  690.                     carla_stdout("latency changed to %i", latency);

  691. 

  692.                     const ScopedSingleProcessLocker sspl(this, true);

  693. 

  694.                     pData->latency = ulatency;

  695.                     pData->client->setLatency(ulatency);

  696. #ifndef BUILD_BRIDGE

  697.                     pData->recreateLatencyBuffers();

  698. #endif

  699.                 }

  700.             }

  701.             else

  702.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  703.         }

  704. 

  705.         CarlaPlugin::idle();

  706.     }

  707. #endif

  708. 

  709.     // -------------------------------------------------------------------

  710.     // Plugin state

  711. 

  712.     void reload() override

  713.     {

  714.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  715.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  716.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  717.         CARLA_SAFE_ASSERT_RETURN(fHandles.count() > 0,);

  718.         carla_debug("CarlaPluginDSSI::reload() - start");

  719. 

  720.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  721. 

  722.         // Safely disable plugin for reload

  723.         const ScopedDisabler sd(this);

  724. 

  725.         if (pData->active)

  726.             deactivate();

  727. 

  728.         clearBuffers();

  729. 

  730.         const float sampleRate(static_cast<float>(pData->engine->getSampleRate()));

  731.         const uint32_t portCount(getSafePortCount());

  732. 

  733.         uint32_t aIns, aOuts, mIns, params;

  734.         aIns = aOuts = mIns = params = 0;

  735. 

  736.         bool forcedStereoIn, forcedStereoOut;

  737.         forcedStereoIn = forcedStereoOut = false;

  738. 

  739.         bool needsCtrlIn, needsCtrlOut;

  740.         needsCtrlIn = needsCtrlOut = false;

  741. 

  742.         for (uint32_t i=0; i < portCount; ++i)

  743.         {

  744.             const LADSPA_PortDescriptor portType(fDescriptor->PortDescriptors[i]);

  745. 

  746.             if (LADSPA_IS_PORT_AUDIO(portType))

  747.             {

  748.                 if (LADSPA_IS_PORT_INPUT(portType))

  749.                     aIns += 1;

  750.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  751.                     aOuts += 1;

  752.             }

  753.             else if (LADSPA_IS_PORT_CONTROL(portType))

  754.                 params += 1;

  755.         }

  756. 

  757.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  758.         {

  759.             if ((aIns == 1 || aOuts == 1) && fHandles.count() == 1 && addInstance())

  760.             {

  761.                 if (aIns == 1)

  762.                 {

  763.                     aIns = 2;

  764.                     forcedStereoIn = true;

  765.                 }

  766.                 if (aOuts == 1)

  767.                 {

  768.                     aOuts = 2;

  769.                     forcedStereoOut = true;

  770.                 }

  771.             }

  772.         }

  773. 

  774.         if (fDssiDescriptor->run_synth != nullptr)

  775.         {

  776.             mIns = 1;

  777.             needsCtrlIn = true;

  778.         }

  779. 

  780.         if (aIns > 0)

  781.         {

  782.             pData->audioIn.createNew(aIns);

  783.             fAudioInBuffers = new float*[aIns];

  784. 

  785.             for (uint32_t i=0; i < aIns; ++i)

  786.                 fAudioInBuffers[i] = nullptr;

  787.         }

  788. 

  789.         if (aOuts > 0)

  790.         {

  791.             pData->audioOut.createNew(aOuts);

  792.             fAudioOutBuffers = new float*[aOuts];

  793.             needsCtrlIn = true;

  794. 

  795.             for (uint32_t i=0; i < aOuts; ++i)

  796.                 fAudioOutBuffers[i] = nullptr;

  797.         }

  798. 

  799.         if (params > 0)

  800.         {

  801.             pData->param.createNew(params, true);

  802. 

  803.             fParamBuffers = new float[params];

  804.             FloatVectorOperations::clear(fParamBuffers, static_cast<int>(params));

  805.         }

  806. 

  807.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  808.         CarlaString portName;

  809. 

  810.         for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCtrl=0; i < portCount; ++i)

  811.         {

  812.             const LADSPA_PortDescriptor portType      = fDescriptor->PortDescriptors[i];

  813.             const LADSPA_PortRangeHint portRangeHints = fDescriptor->PortRangeHints[i];

  814. 

  815.             if (LADSPA_IS_PORT_AUDIO(portType))

  816.             {

  817.                 portName.clear();

  818. 

  819.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  820.                 {

  821.                     portName  = pData->name;

  822.                     portName += ":";

  823.                 }

  824. 

  825.                 if (fDescriptor->PortNames[i] != nullptr && fDescriptor->PortNames[i][0] != '\0')

  826.                 {

  827.                     portName += fDescriptor->PortNames[i];

  828.                 }

  829.                 else

  830.                 {

  831.                     if (LADSPA_IS_PORT_INPUT(portType))

  832.                     {

  833.                         if (aIns > 1)

  834.                         {

  835.                             portName += "audio-in_";

  836.                             portName += CarlaString(iAudioIn+1);

  837.                         }

  838.                         else

  839.                             portName += "audio-in";

  840.                     }

  841.                     else

  842.                     {

  843.                         if (aOuts > 1)

  844.                         {

  845.                             portName += "audio-out_";

  846.                             portName += CarlaString(iAudioOut+1);

  847.                         }

  848.                         else

  849.                             portName += "audio-out";

  850.                     }

  851.                 }

  852. 

  853.                 portName.truncate(portNameSize);

  854. 

  855.                 if (LADSPA_IS_PORT_INPUT(portType))

  856.                 {

  857.                     const uint32_t j = iAudioIn++;

  858.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  859.                     pData->audioIn.ports[j].rindex = i;

  860. 

  861.                     if (forcedStereoIn)

  862.                     {

  863.                         portName += "_2";

  864.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  865.                         pData->audioIn.ports[1].rindex = i;

  866.                     }

  867.                 }

  868.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  869.                 {

  870.                     const uint32_t j = iAudioOut++;

  871.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  872.                     pData->audioOut.ports[j].rindex = i;

  873. 

  874.                     if (forcedStereoOut)

  875.                     {

  876.                         portName += "_2";

  877.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  878.                         pData->audioOut.ports[1].rindex = i;

  879.                     }

  880.                 }

  881.                 else

  882.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  883.             }

  884.             else if (LADSPA_IS_PORT_CONTROL(portType))

  885.             {

  886.                 const uint32_t j = iCtrl++;

  887.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  888.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  889. 

  890.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  891. 

  892.                 float min, max, def, step, stepSmall, stepLarge;

  893. 

  894.                 // min value

  895.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  896.                     min = portRangeHints.LowerBound;

  897.                 else

  898.                     min = 0.0f;

  899. 

  900.                 // max value

  901.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  902.                     max = portRangeHints.UpperBound;

  903.                 else

  904.                     max = 1.0f;

  905. 

  906.                 if (min > max)

  907.                 {

  908.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min > max", paramName);

  909.                     min = max - 0.1f;

  910.                 }

  911.                 else if (carla_isEqual(min, max))

  912.                 {

  913.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min == max", paramName);

  914.                     max = min + 0.1f;

  915.                 }

  916. 

  917.                 // default value

  918.                 def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  919. 

  920.                 if (def < min)

  921.                     def = min;

  922.                 else if (def > max)

  923.                     def = max;

  924. 

  925.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  926.                 {

  927.                     min *= sampleRate;

  928.                     max *= sampleRate;

  929.                     def *= sampleRate;

  930.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  931.                 }

  932. 

  933.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  934.                 {

  935.                     step = max - min;

  936.                     stepSmall = step;

  937.                     stepLarge = step;

  938.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  939.                 }

  940.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  941.                 {

  942.                     step = 1.0f;

  943.                     stepSmall = 1.0f;

  944.                     stepLarge = 10.0f;

  945.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  946.                 }

  947.                 else

  948.                 {

  949.                     const float range = max - min;

  950.                     step = range/100.0f;

  951.                     stepSmall = range/1000.0f;

  952.                     stepLarge = range/10.0f;

  953.                 }

  954. 

  955.                 if (LADSPA_IS_PORT_INPUT(portType))

  956.                 {

  957.                     pData->param.data[j].type   = PARAMETER_INPUT;

  958.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  959.                     pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  960.                     needsCtrlIn = true;

  961. 

  962.                     // MIDI CC value

  963.                     if (fDssiDescriptor->get_midi_controller_for_port != nullptr)

  964.                     {

  965.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  966.                         if (DSSI_CONTROLLER_IS_SET(controller) && DSSI_IS_CC(controller))

  967.                         {

  968.                             int16_t cc = DSSI_CC_NUMBER(controller);

  969.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

  970.                                 pData->param.data[j].midiCC = cc;

  971.                         }

  972.                     }

  973.                 }

  974.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  975.                 {

  976.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  977. 

  978.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  979.                     {

  980.                         min = 0.0f;

  981.                         max = sampleRate;

  982.                         def = 0.0f;

  983.                         step = 1.0f;

  984.                         stepSmall = 1.0f;

  985.                         stepLarge = 1.0f;

  986.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  987.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  988.                         fLatencyIndex = static_cast<int32_t>(j);

  989.                     }

  990.                     else

  991.                     {

  992.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  993.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  994.                         needsCtrlOut = true;

  995.                     }

  996.                 }

  997.                 else

  998.                 {

  999.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1000.                 }

  1001. 

  1002.                 // extra parameter hints

  1003.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1004.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1005. 

  1006.                 pData->param.ranges[j].min = min;

  1007.                 pData->param.ranges[j].max = max;

  1008.                 pData->param.ranges[j].def = def;

  1009.                 pData->param.ranges[j].step = step;

  1010.                 pData->param.ranges[j].stepSmall = stepSmall;

  1011.                 pData->param.ranges[j].stepLarge = stepLarge;

  1012. 

  1013.                 // Start parameters in their default values

  1014.                 fParamBuffers[j] = def;

  1015. 

  1016.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1017.                 {

  1018.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1019.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1020. 

  1021.                     try {

  1022.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1023.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1024.                 }

  1025.             }

  1026.             else

  1027.             {

  1028.                 // Not Audio or Control

  1029.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1030. 

  1031.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1032.                 {

  1033.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1034.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1035. 

  1036.                     try {

  1037.                         fDescriptor->connect_port(handle, i, nullptr);

  1038.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1039.                 }

  1040.             }

  1041.         }

  1042. 

  1043.         if (needsCtrlIn)

  1044.         {

  1045.             portName.clear();

  1046. 

  1047.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1048.             {

  1049.                 portName  = pData->name;

  1050.                 portName += ":";

  1051.             }

  1052. 

  1053.             portName += "events-in";

  1054.             portName.truncate(portNameSize);

  1055. 

  1056.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1057.         }

  1058. 

  1059.         if (needsCtrlOut)

  1060.         {

  1061.             portName.clear();

  1062. 

  1063.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1064.             {

  1065.                 portName  = pData->name;

  1066.                 portName += ":";

  1067.             }

  1068. 

  1069.             portName += "events-out";

  1070.             portName.truncate(portNameSize);

  1071. 

  1072.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1073.         }

  1074. 

  1075.         if (forcedStereoIn || forcedStereoOut)

  1076.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1077.         else

  1078.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1079. 

  1080.         // plugin hints

  1081.         pData->hints = 0x0;

  1082. 

  1083.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1084.             pData->hints |= PLUGIN_IS_RTSAFE;

  1085. 

  1086. #ifdef HAVE_LIBLO

  1087.         if (fUiFilename != nullptr)

  1088.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1089. #endif

  1090. 

  1091. #ifndef BUILD_BRIDGE

  1092.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1093.             pData->hints |= PLUGIN_CAN_DRYWET;

  1094. 

  1095.         if (aOuts > 0)

  1096.             pData->hints |= PLUGIN_CAN_VOLUME;

  1097. 

  1098.         if (aOuts >= 2 && aOuts % 2 == 0)

  1099.             pData->hints |= PLUGIN_CAN_BALANCE;

  1100. #endif

  1101. 

  1102.         // extra plugin hints

  1103.         pData->extraHints = 0x0;

  1104. 

  1105.         if (mIns > 0)

  1106.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1107. 

  1108.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1109.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1110. 

  1111. #if 0 // TODO

  1112.         // check latency

  1113.         if (fLatencyIndex >= 0)

  1114.         {

  1115.             // we need to pre-run the plugin so it can update its latency control-port

  1116. 

  1117.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1118.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1119. 

  1120.             for (uint32_t j=0; j < aIns; ++j)

  1121.             {

  1122.                 tmpIn[j][0] = 0.0f;

  1123.                 tmpIn[j][1] = 0.0f;

  1124. 

  1125.                 try {

  1126.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1127.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1128.             }

  1129. 

  1130.             for (uint32_t j=0; j < aOuts; ++j)

  1131.             {

  1132.                 tmpOut[j][0] = 0.0f;

  1133.                 tmpOut[j][1] = 0.0f;

  1134. 

  1135.                 try {

  1136.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1137.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1138.             }

  1139. 

  1140.             if (fDescriptor->activate != nullptr)

  1141.             {

  1142.                 try {

  1143.                     fDescriptor->activate(fHandle);

  1144.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1145.             }

  1146. 

  1147.             try {

  1148.                 fDescriptor->run(fHandle, 2);

  1149.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1150. 

  1151.             if (fDescriptor->deactivate != nullptr)

  1152.             {

  1153.                 try {

  1154.                     fDescriptor->deactivate(fHandle);

  1155.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1156.             }

  1157. 

  1158.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1159. 

  1160.             if (latency >= 0)

  1161.             {

  1162.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1163. 

  1164.                 if (pData->latency != ulatency)

  1165.                 {

  1166.                     carla_stdout("latency = %i", latency);

  1167. 

  1168.                     pData->latency = ulatency;

  1169.                     pData->client->setLatency(ulatency);

  1170. #ifndef BUILD_BRIDGE

  1171.                     pData->recreateLatencyBuffers();

  1172. #endif

  1173.                 }

  1174.             }

  1175.             else

  1176.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1177. 

  1178.             fLatencyChanged = false;

  1179.         }

  1180. #endif

  1181. 

  1182.         bufferSizeChanged(pData->engine->getBufferSize());

  1183.         reloadPrograms(true);

  1184. 

  1185.         if (pData->active)

  1186.             activate();

  1187. 

  1188.         carla_debug("CarlaPluginDSSI::reload() - end");

  1189.     }

  1190. 

  1191.     void reloadPrograms(const bool doInit) override

  1192.     {

  1193.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1194. 

  1195.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1196.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1197. 

  1198.         const uint32_t oldCount = pData->midiprog.count;

  1199.         const int32_t  current  = pData->midiprog.current;

  1200. 

  1201.         // Delete old programs

  1202.         pData->midiprog.clear();

  1203. 

  1204.         // Query new programs

  1205.         uint32_t newCount = 0;

  1206.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1207.         {

  1208.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1209.                 ++newCount;

  1210.         }

  1211. 

  1212.         if (newCount > 0)

  1213.         {

  1214.             pData->midiprog.createNew(newCount);

  1215. 

  1216.             // Update data

  1217.             for (uint32_t i=0; i < newCount; ++i)

  1218.             {

  1219.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1220.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1221.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1222. 

  1223.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1224.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1225.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1226.             }

  1227.         }

  1228. 

  1229. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1230.         // Update OSC Names

  1231.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1232.         {

  1233.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1234. 

  1235.             for (uint32_t i=0; i < newCount; ++i)

  1236.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1237.         }

  1238. #endif

  1239. 

  1240.         if (doInit)

  1241.         {

  1242.             if (newCount > 0)

  1243.                 setMidiProgram(0, false, false, false);

  1244.         }

  1245.         else

  1246.         {

  1247.             // Check if current program is invalid

  1248.             bool programChanged = false;

  1249. 

  1250.             if (newCount == oldCount+1)

  1251.             {

  1252.                 // one midi program added, probably created by user

  1253.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1254.                 programChanged = true;

  1255.             }

  1256.             else if (current < 0 && newCount > 0)

  1257.             {

  1258.                 // programs exist now, but not before

  1259.                 pData->midiprog.current = 0;

  1260.                 programChanged = true;

  1261.             }

  1262.             else if (current >= 0 && newCount == 0)

  1263.             {

  1264.                 // programs existed before, but not anymore

  1265.                 pData->midiprog.current = -1;

  1266.                 programChanged = true;

  1267.             }

  1268.             else if (current >= static_cast<int32_t>(newCount))

  1269.             {

  1270.                 // current midi program > count

  1271.                 pData->midiprog.current = 0;

  1272.                 programChanged = true;

  1273.             }

  1274.             else

  1275.             {

  1276.                 // no change

  1277.                 pData->midiprog.current = current;

  1278.             }

  1279. 

  1280.             if (programChanged)

  1281.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1282. 

  1283.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1284.         }

  1285.     }

  1286. 

  1287.     // -------------------------------------------------------------------

  1288.     // Plugin processing

  1289. 

  1290.     void activate() noexcept override

  1291.     {

  1292.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1293. 

  1294.         if (fDescriptor->activate != nullptr)

  1295.         {

  1296.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1297.             {

  1298.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1299.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1300. 

  1301.                 try {

  1302.                     fDescriptor->activate(handle);

  1303.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1304.             }

  1305.         }

  1306.     }

  1307. 

  1308.     void deactivate() noexcept override

  1309.     {

  1310.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1311. 

  1312.         if (fDescriptor->deactivate != nullptr)

  1313.         {

  1314.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1315.             {

  1316.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1317.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1318. 

  1319.                 try {

  1320.                     fDescriptor->deactivate(handle);

  1321.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1322.             }

  1323.         }

  1324.     }

  1325. 

  1326.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1327.     {

  1328.         // --------------------------------------------------------------------------------------------------------

  1329.         // Check if active

  1330. 

  1331.         if (! pData->active)

  1332.         {

  1333.             // disable any output sound

  1334.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1335.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1336.             return;

  1337.         }

  1338. 

  1339.         ulong midiEventCount = 0;

  1340.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1341. 

  1342.         // --------------------------------------------------------------------------------------------------------

  1343.         // Check if needs reset

  1344. 

  1345.         if (pData->needsReset)

  1346.         {

  1347.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1348.             {

  1349.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1350. 

  1351.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1352.                 {

  1353.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1354.                     fMidiEvents[i].data.control.channel = i;

  1355.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1356. 

  1357.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1358.                     fMidiEvents[k+i].data.control.channel = i;

  1359.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1360.                 }

  1361.             }

  1362.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1363.             {

  1364.                 midiEventCount = MAX_MIDI_NOTE;

  1365. 

  1366.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1367.                 {

  1368.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1369.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1370.                     fMidiEvents[i].data.note.note    = i;

  1371.                 }

  1372.             }

  1373. 

  1374. #ifndef BUILD_BRIDGE

  1375. #if 0 // TODO

  1376.             if (pData->latency > 0)

  1377.             {

  1378.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1379.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1380.             }

  1381. #endif

  1382. #endif

  1383. 

  1384.             pData->needsReset = false;

  1385.         }

  1386. 

  1387.         // --------------------------------------------------------------------------------------------------------

  1388.         // Event Input and Processing

  1389. 

  1390.         if (pData->event.portIn != nullptr)

  1391.         {

  1392.             // ----------------------------------------------------------------------------------------------------

  1393.             // MIDI Input (External)

  1394. 

  1395.             if (pData->extNotes.mutex.tryLock())

  1396.             {

  1397.                 ExternalMidiNote note = { 0, 0, 0 };

  1398. 

  1399.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1400.                 {

  1401.                     note = pData->extNotes.data.getFirst(note, true);

  1402. 

  1403.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1404. 

  1405.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1406. 

  1407.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1408.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1409.                     seqEvent.data.note.note     = note.note;

  1410.                     seqEvent.data.note.velocity = note.velo;

  1411.                 }

  1412. 

  1413.                 pData->extNotes.mutex.unlock();

  1414. 

  1415.             } // End of MIDI Input (External)

  1416. 

  1417.             // ----------------------------------------------------------------------------------------------------

  1418.             // Event Input (System)

  1419. 

  1420. #ifndef BUILD_BRIDGE

  1421.             bool       allNotesOffSent  = false;

  1422. #endif

  1423.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1424. 

  1425.             uint32_t startTime  = 0;

  1426.             uint32_t timeOffset = 0;

  1427.             uint32_t nextBankId;

  1428. 

  1429.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1430.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1431.             else

  1432.                 nextBankId = 0;

  1433. 

  1434.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1435.             {

  1436.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1437. 

  1438.                 if (event.time >= frames)

  1439.                     continue;

  1440. 

  1441.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1442. 

  1443.                 if (isSampleAccurate && event.time > timeOffset)

  1444.                 {

  1445.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1446.                     {

  1447.                         startTime  = 0;

  1448.                         timeOffset = event.time;

  1449.                         midiEventCount = 0;

  1450. 

  1451.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1452.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1453.                         else

  1454.                             nextBankId = 0;

  1455.                     }

  1456.                     else

  1457.                         startTime += timeOffset;

  1458.                 }

  1459. 

  1460.                 switch (event.type)

  1461.                 {

  1462.                 case kEngineEventTypeNull:

  1463.                     break;

  1464. 

  1465.                 case kEngineEventTypeControl: {

  1466.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1467. 

  1468.                     switch (ctrlEvent.type)

  1469.                     {

  1470.                     case kEngineControlEventTypeNull:

  1471.                         break;

  1472. 

  1473.                     case kEngineControlEventTypeParameter: {

  1474. #ifndef BUILD_BRIDGE

  1475.                         // Control backend stuff

  1476.                         if (event.channel == pData->ctrlChannel)

  1477.                         {

  1478.                             float value;

  1479. 

  1480.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1481.                             {

  1482.                                 value = ctrlEvent.value;

  1483.                                 setDryWet(value, false, false);

  1484.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1485.                                 break;

  1486.                             }

  1487. 

  1488.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1489.                             {

  1490.                                 value = ctrlEvent.value*127.0f/100.0f;

  1491.                                 setVolume(value, false, false);

  1492.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1493.                                 break;

  1494.                             }

  1495. 

  1496.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1497.                             {

  1498.                                 float left, right;

  1499.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1500. 

  1501.                                 if (value < 0.0f)

  1502.                                 {

  1503.                                     left  = -1.0f;

  1504.                                     right = (value*2.0f)+1.0f;

  1505.                                 }

  1506.                                 else if (value > 0.0f)

  1507.                                 {

  1508.                                     left  = (value*2.0f)-1.0f;

  1509.                                     right = 1.0f;

  1510.                                 }

  1511.                                 else

  1512.                                 {

  1513.                                     left  = -1.0f;

  1514.                                     right = 1.0f;

  1515.                                 }

  1516. 

  1517.                                 setBalanceLeft(left, false, false);

  1518.                                 setBalanceRight(right, false, false);

  1519.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1520.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1521.                                 break;

  1522.                             }

  1523.                         }

  1524. #endif

  1525.                         // Control plugin parameters

  1526.                         uint32_t k;

  1527.                         for (k=0; k < pData->param.count; ++k)

  1528.                         {

  1529.                             if (pData->param.data[k].midiChannel != event.channel)

  1530.                                 continue;

  1531.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1532.                                 continue;

  1533.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1534.                                 continue;

  1535.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1536.                                 continue;

  1537. 

  1538.                             float value;

  1539. 

  1540.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1541.                             {

  1542.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1543.                             }

  1544.                             else

  1545.                             {

  1546.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1547. 

  1548.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1549.                                     value = std::rint(value);

  1550.                             }

  1551. 

  1552.                             setParameterValue(k, value, false, false, false);

  1553.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1554.                             break;

  1555.                         }

  1556. 

  1557.                         // check if event is already handled

  1558.                         if (k != pData->param.count)

  1559.                             break;

  1560. 

  1561.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1562.                         {

  1563.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1564.                                 continue;

  1565. 

  1566.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1567. 

  1568.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1569. 

  1570.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1571.                             seqEvent.data.control.channel = event.channel;

  1572.                             seqEvent.data.control.param   = ctrlEvent.param;

  1573.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1574.                         }

  1575.                         break;

  1576.                     } // case kEngineControlEventTypeParameter

  1577. 

  1578.                     case kEngineControlEventTypeMidiBank:

  1579.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1580.                             nextBankId = ctrlEvent.param;

  1581.                         break;

  1582. 

  1583.                     case kEngineControlEventTypeMidiProgram:

  1584.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1585.                         {

  1586.                             const uint32_t nextProgramId = ctrlEvent.param;

  1587. 

  1588.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1589.                             {

  1590.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1591.                                 {

  1592.                                     const int32_t index(static_cast<int32_t>(k));

  1593.                                     setMidiProgram(index, false, false, false);

  1594.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1595.                                     break;

  1596.                                 }

  1597.                             }

  1598.                         }

  1599.                         break;

  1600. 

  1601.                     case kEngineControlEventTypeAllSoundOff:

  1602.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1603.                         {

  1604.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1605.                                 continue;

  1606. 

  1607.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1608. 

  1609.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1610. 

  1611.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1612.                             seqEvent.data.control.channel = event.channel;

  1613.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1614.                         }

  1615.                         break;

  1616. 

  1617.                     case kEngineControlEventTypeAllNotesOff:

  1618.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1619.                         {

  1620. #ifndef BUILD_BRIDGE

  1621.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1622.                             {

  1623.                                 allNotesOffSent = true;

  1624.                                 sendMidiAllNotesOffToCallback();

  1625.                             }

  1626. #endif

  1627. 

  1628.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1629.                                 continue;

  1630. 

  1631.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1632. 

  1633.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1634. 

  1635.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1636.                             seqEvent.data.control.channel = event.channel;

  1637.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1638.                         }

  1639.                         break;

  1640.                     } // switch (ctrlEvent.type)

  1641.                     break;

  1642.                 } // case kEngineEventTypeControl

  1643. 

  1644.                 case kEngineEventTypeMidi: {

  1645.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1646.                         continue;

  1647. 

  1648.                     const EngineMidiEvent& midiEvent(event.midi);

  1649. 

  1650.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1651.                         continue;

  1652. 

  1653.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1654. 

  1655.                     // Fix bad note-off (per DSSI spec)

  1656.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1657.                         status = MIDI_STATUS_NOTE_OFF;

  1658. 

  1659.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1660. 

  1661.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1662. 

  1663.                     switch (status)

  1664.                     {

  1665.                     case MIDI_STATUS_NOTE_OFF: {

  1666.                         const uint8_t note = midiEvent.data[1];

  1667. 

  1668.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1669.                         seqEvent.data.note.channel = event.channel;

  1670.                         seqEvent.data.note.note    = note;

  1671. 

  1672.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1673.                         break;

  1674.                     }

  1675. 

  1676.                     case MIDI_STATUS_NOTE_ON: {

  1677.                         const uint8_t note = midiEvent.data[1];

  1678.                         const uint8_t velo = midiEvent.data[2];

  1679. 

  1680.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1681.                         seqEvent.data.note.channel  = event.channel;

  1682.                         seqEvent.data.note.note     = note;

  1683.                         seqEvent.data.note.velocity = velo;

  1684. 

  1685.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1686.                         break;

  1687.                     }

  1688. 

  1689.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1690.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1691.                         {

  1692.                             const uint8_t note     = midiEvent.data[1];

  1693.                             const uint8_t pressure = midiEvent.data[2];

  1694. 

  1695.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1696.                             seqEvent.data.note.channel  = event.channel;

  1697.                             seqEvent.data.note.note     = note;

  1698.                             seqEvent.data.note.velocity = pressure;

  1699.                         }

  1700.                         break;

  1701. 

  1702.                     case MIDI_STATUS_CONTROL_CHANGE:

  1703.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1704.                         {

  1705.                             const uint8_t control = midiEvent.data[1];

  1706.                             const uint8_t value   = midiEvent.data[2];

  1707. 

  1708.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1709.                             seqEvent.data.control.channel = event.channel;

  1710.                             seqEvent.data.control.param   = control;

  1711.                             seqEvent.data.control.value   = value;

  1712.                         }

  1713.                         break;

  1714. 

  1715.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1716.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1717.                         {

  1718.                             const uint8_t pressure = midiEvent.data[1];

  1719. 

  1720.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1721.                             seqEvent.data.control.channel = event.channel;

  1722.                             seqEvent.data.control.value   = pressure;

  1723.                         }

  1724.                         break;

  1725. 

  1726.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1727.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1728.                         {

  1729.                             const uint8_t lsb = midiEvent.data[1];

  1730.                             const uint8_t msb = midiEvent.data[2];

  1731. 

  1732.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1733.                             seqEvent.data.control.channel = event.channel;

  1734.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1735.                         }

  1736.                         break;

  1737. 

  1738.                     default:

  1739.                         --midiEventCount;

  1740.                         break;

  1741.                     } // switch (status)

  1742.                 } break;

  1743.                 } // switch (event.type)

  1744.             }

  1745. 

  1746.             pData->postRtEvents.trySplice();

  1747. 

  1748.             if (frames > timeOffset)

  1749.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1750. 

  1751.         } // End of Event Input and Processing

  1752. 

  1753.         // --------------------------------------------------------------------------------------------------------

  1754.         // Plugin processing (no events)

  1755. 

  1756.         else

  1757.         {

  1758.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1759. 

  1760.         } // End of Plugin processing (no events)

  1761. 

  1762. #ifndef BUILD_BRIDGE

  1763. #if 0 // TODO

  1764.         // --------------------------------------------------------------------------------------------------------

  1765.         // Latency, save values for next callback

  1766. 

  1767.         if (fLatencyIndex != -1)

  1768.         {

  1769.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1770.             {

  1771.                 fLatencyChanged = true;

  1772.             }

  1773.             else if (pData->latency > 0)

  1774.             {

  1775.                 if (pData->latency <= frames)

  1776.                 {

  1777.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1778.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1779.                 }

  1780.                 else

  1781.                 {

  1782.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1783.                     {

  1784.                         for (k=0; k < pData->latency-frames; ++k)

  1785.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1786.                         for (j=0; k < pData->latency; ++j, ++k)

  1787.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1788.                     }

  1789.                 }

  1790.             }

  1791.         }

  1792. #endif

  1793. 

  1794.         // --------------------------------------------------------------------------------------------------------

  1795.         // Control Output

  1796. 

  1797.         if (pData->event.portOut != nullptr)

  1798.         {

  1799.             uint8_t  channel;

  1800.             uint16_t param;

  1801.             float    value;

  1802. 

  1803.             for (uint32_t k=0; k < pData->param.count; ++k)

  1804.             {

  1805.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1806.                     continue;

  1807. 

  1808.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1809. 

  1810.                 if (pData->param.data[k].midiCC > 0)

  1811.                 {

  1812.                     channel = pData->param.data[k].midiChannel;

  1813.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1814.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1815.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1816.                 }

  1817.             }

  1818.         } // End of Control Output

  1819. #endif

  1820.     }

  1821. 

  1822.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1823.                        const uint32_t timeOffset, const ulong midiEventCount)

  1824.     {

  1825.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1826. 

  1827.         if (pData->audioIn.count > 0)

  1828.         {

  1829.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1830.         }

  1831.         if (pData->audioOut.count > 0)

  1832.         {

  1833.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1834.         }

  1835. 

  1836.         // --------------------------------------------------------------------------------------------------------

  1837.         // Try lock, silence otherwise

  1838. 

  1839.         if (pData->engine->isOffline())

  1840.         {

  1841.             pData->singleMutex.lock();

  1842.         }

  1843.         else if (! pData->singleMutex.tryLock())

  1844.         {

  1845.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1846.             {

  1847.                 for (uint32_t k=0; k < frames; ++k)

  1848.                     audioOut[i][k+timeOffset] = 0.0f;

  1849.             }

  1850. 

  1851.             return false;

  1852.         }

  1853. 

  1854.         const int iframes(static_cast<int>(frames));

  1855. 

  1856.         // --------------------------------------------------------------------------------------------------------

  1857.         // Handle needsReset

  1858. 

  1859.         if (pData->needsReset)

  1860.         {

  1861.             if (pData->latency.frames > 0)

  1862.             {

  1863.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1864.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1865.             }

  1866. 

  1867.             pData->needsReset = false;

  1868.         }

  1869. 

  1870.         // --------------------------------------------------------------------------------------------------------

  1871.         // Set audio buffers

  1872. 

  1873.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1874.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1875. 

  1876.         if (! customMonoOut)

  1877.         {

  1878.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1879.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1880.         }

  1881. 

  1882.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1883.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1884. 

  1885.         // --------------------------------------------------------------------------------------------------------

  1886.         // Run plugin

  1887. 

  1888.         uint instn = 0;

  1889.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1890.         {

  1891.             LADSPA_Handle const handle(it.getValue(nullptr));

  1892.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1893. 

  1894.             // ----------------------------------------------------------------------------------------------------

  1895.             // Mixdown for forced stereo

  1896. 

  1897.             if (customMonoOut)

  1898.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1899. 

  1900.             // ----------------------------------------------------------------------------------------------------

  1901.             // Run it

  1902. 

  1903.             if (fDssiDescriptor->run_synth != nullptr)

  1904.             {

  1905.                 try {

  1906.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1907.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1908.             }

  1909.             else

  1910.             {

  1911.                 try {

  1912.                     fDescriptor->run(handle, frames);

  1913.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1914.             }

  1915. 

  1916.             // ----------------------------------------------------------------------------------------------------

  1917.             // Mixdown for forced stereo

  1918. 

  1919.             if (customMonoOut)

  1920.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1921.             else if (customStereoOut)

  1922.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1923.         }

  1924. 

  1925.         // --------------------------------------------------------------------------------------------------------

  1926.         // Run plugin

  1927. 

  1928. #ifndef BUILD_BRIDGE

  1929.         // --------------------------------------------------------------------------------------------------------

  1930.         // Post-processing (dry/wet, volume and balance)

  1931. 

  1932.         {

  1933.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1934.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1935.             const bool isMono    = (pData->audioIn.count == 1);

  1936. 

  1937.             bool isPair;

  1938.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1939. 

  1940.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1941.             {

  1942.                 // Dry/Wet

  1943.                 if (doDryWet)

  1944.                 {

  1945.                     for (uint32_t k=0; k < frames; ++k)

  1946.                     {

  1947. #if 0 // TODO

  1948.                         if (k < pData->latency)

  1949.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1950.                         else if (pData->latency < frames)

  1951.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1952.                         else

  1953. #endif

  1954.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1955. 

  1956.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1957.                     }

  1958.                 }

  1959. 

  1960.                 // Balance

  1961.                 if (doBalance)

  1962.                 {

  1963.                     isPair = (i % 2 == 0);

  1964. 

  1965.                     if (isPair)

  1966.                     {

  1967.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1968.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1969.                     }

  1970. 

  1971.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1972.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1973. 

  1974.                     for (uint32_t k=0; k < frames; ++k)

  1975.                     {

  1976.                         if (isPair)

  1977.                         {

  1978.                             // left

  1979.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1980.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1981.                         }

  1982.                         else

  1983.                         {

  1984.                             // right

  1985.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1986.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1987.                         }

  1988.                     }

  1989.                 }

  1990. 

  1991.                 // Volume (and buffer copy)

  1992.                 {

  1993.                     for (uint32_t k=0; k < frames; ++k)

  1994.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1995.                 }

  1996.             }

  1997. 

  1998.         } // End of Post-processing

  1999. 

  2000. #else // BUILD_BRIDGE

  2001.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2002.         {

  2003.             for (uint32_t k=0; k < frames; ++k)

  2004.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2005.         }

  2006. #endif

  2007. 

  2008. #if 0

  2009.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2010.         {

  2011.             for (uint32_t k=0; k < frames; ++k)

  2012.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2013.         }

  2014. #endif

  2015. 

  2016.         // --------------------------------------------------------------------------------------------------------

  2017. 

  2018.         pData->singleMutex.unlock();

  2019.         return true;

  2020.     }

  2021. 

  2022.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2023.     {

  2024.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2025.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2026. 

  2027.         const int iBufferSize(static_cast<int>(newBufferSize));

  2028. 

  2029.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2030.         {

  2031.             if (fAudioInBuffers[i] != nullptr)

  2032.                 delete[] fAudioInBuffers[i];

  2033. 

  2034.             fAudioInBuffers[i] = new float[newBufferSize];

  2035.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2036.         }

  2037. 

  2038.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2039.         {

  2040.             if (fAudioOutBuffers[i] != nullptr)

  2041.                 delete[] fAudioOutBuffers[i];

  2042. 

  2043.             fAudioOutBuffers[i] = new float[newBufferSize];

  2044.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2045.         }

  2046. 

  2047.         if (fExtraStereoBuffer[0] != nullptr)

  2048.         {

  2049.             delete[] fExtraStereoBuffer[0];

  2050.             fExtraStereoBuffer[0] = nullptr;

  2051.         }

  2052. 

  2053.         if (fExtraStereoBuffer[1] != nullptr)

  2054.         {

  2055.             delete[] fExtraStereoBuffer[1];

  2056.             fExtraStereoBuffer[1] = nullptr;

  2057.         }

  2058. 

  2059.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2060.         {

  2061.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2062.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2063.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2064.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2065.         }

  2066. 

  2067.         reconnectAudioPorts();

  2068. 

  2069.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2070.     }

  2071. 

  2072.     void sampleRateChanged(const double newSampleRate) override

  2073.     {

  2074.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2075.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2076. 

  2077.         // TODO - handle UI stuff

  2078. 

  2079.         if (pData->active)

  2080.             deactivate();

  2081. 

  2082.         const std::size_t instanceCount(fHandles.count());

  2083. 

  2084.         if (fDescriptor->cleanup == nullptr)

  2085.         {

  2086.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2087.             {

  2088.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2089.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2090. 

  2091.                 try {

  2092.                     fDescriptor->cleanup(handle);

  2093.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2094.             }

  2095.         }

  2096. 

  2097.         fHandles.clear();

  2098. 

  2099.         for (std::size_t i=0; i<instanceCount; ++i)

  2100.             addInstance();

  2101. 

  2102.         reconnectAudioPorts();

  2103. 

  2104.         if (pData->active)

  2105.             activate();

  2106. 

  2107.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2108.     }

  2109. 

  2110.     void reconnectAudioPorts() const noexcept

  2111.     {

  2112.         if (fForcedStereoIn)

  2113.         {

  2114.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2115.             {

  2116.                 try {

  2117.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2118.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2119.             }

  2120. 

  2121.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2122.             {

  2123.                 try {

  2124.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2125.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2126.             }

  2127.         }

  2128.         else

  2129.         {

  2130.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2131.             {

  2132.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2133.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2134. 

  2135.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2136.                 {

  2137.                     try {

  2138.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2139.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2140.                 }

  2141.             }

  2142.         }

  2143. 

  2144.         if (fForcedStereoOut)

  2145.         {

  2146.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2147.             {

  2148.                 try {

  2149.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2150.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2151.             }

  2152. 

  2153.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2154.             {

  2155.                 try {

  2156.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2157.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2158.             }

  2159.         }

  2160.         else

  2161.         {

  2162.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2163.             {

  2164.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2165.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2166. 

  2167.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2168.                 {

  2169.                     try {

  2170.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2171.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2172.                 }

  2173.             }

  2174.         }

  2175.     }

  2176. 

  2177.     // -------------------------------------------------------------------

  2178.     // Plugin buffers

  2179. 

  2180.     void clearBuffers() noexcept override

  2181.     {

  2182.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2183. 

  2184.         if (fAudioInBuffers != nullptr)

  2185.         {

  2186.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2187.             {

  2188.                 if (fAudioInBuffers[i] != nullptr)

  2189.                 {

  2190.                     delete[] fAudioInBuffers[i];

  2191.                     fAudioInBuffers[i] = nullptr;

  2192.                 }

  2193.             }

  2194. 

  2195.             delete[] fAudioInBuffers;

  2196.             fAudioInBuffers = nullptr;

  2197.         }

  2198. 

  2199.         if (fAudioOutBuffers != nullptr)

  2200.         {

  2201.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2202.             {

  2203.                 if (fAudioOutBuffers[i] != nullptr)

  2204.                 {

  2205.                     delete[] fAudioOutBuffers[i];

  2206.                     fAudioOutBuffers[i] = nullptr;

  2207.                 }

  2208.             }

  2209. 

  2210.             delete[] fAudioOutBuffers;

  2211.             fAudioOutBuffers = nullptr;

  2212.         }

  2213. 

  2214.         if (fExtraStereoBuffer[0] != nullptr)

  2215.         {

  2216.             delete[] fExtraStereoBuffer[0];

  2217.             fExtraStereoBuffer[0] = nullptr;

  2218.         }

  2219. 

  2220.         if (fExtraStereoBuffer[1] != nullptr)

  2221.         {

  2222.             delete[] fExtraStereoBuffer[1];

  2223.             fExtraStereoBuffer[1] = nullptr;

  2224.         }

  2225. 

  2226.         if (fParamBuffers != nullptr)

  2227.         {

  2228.             delete[] fParamBuffers;

  2229.             fParamBuffers = nullptr;

  2230.         }

  2231. 

  2232.         CarlaPlugin::clearBuffers();

  2233. 

  2234.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2235.     }

  2236. 

  2237. #ifdef HAVE_LIBLO

  2238.     // -------------------------------------------------------------------

  2239.     // OSC stuff

  2240. 

  2241.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2242.     {

  2243.         const lo_address source(lo_message_get_source(msg));

  2244.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2245. 

  2246.         // protocol for DSSI UIs *must* be UDP

  2247.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2248. 

  2249.         if (fOscData.source == nullptr)

  2250.         {

  2251.             // if no UI is registered yet only "update" message is valid

  2252.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2253.         }

  2254.         else

  2255.         {

  2256.             // make sure message source is the DSSI UI

  2257.             const char* const msghost = lo_address_get_hostname(source);

  2258.             const char* const msgport = lo_address_get_port(source);

  2259. 

  2260.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2261.             const char* const ourport = lo_address_get_port(fOscData.source);

  2262. 

  2263.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2264.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2265.         }

  2266. 

  2267.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2268. 

  2269.         if (std::strcmp(method, "configure") == 0)

  2270.             return handleOscMessageConfigure(argc, argv, types);

  2271.         if (std::strcmp(method, "control") == 0)

  2272.             return handleOscMessageControl(argc, argv, types);

  2273.         if (std::strcmp(method, "program") == 0)

  2274.             return handleOscMessageProgram(argc, argv, types);

  2275.         if (std::strcmp(method, "midi") == 0)

  2276.             return handleOscMessageMIDI(argc, argv, types);

  2277.         if (std::strcmp(method, "update") == 0)

  2278.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2279.         if (std::strcmp(method, "exiting") == 0)

  2280.             return handleOscMessageExiting();

  2281. 

  2282.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2283.     }

  2284. 

  2285.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2286.     {

  2287.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2288.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2289. 

  2290.         const char* const key   = (const char*)&argv[0]->s;

  2291.         const char* const value = (const char*)&argv[1]->s;

  2292. 

  2293.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2294.     }

  2295. 

  2296.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2297.     {

  2298.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2299.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2300. 

  2301.         const int32_t rindex = argv[0]->i;

  2302.         const float   value  = argv[1]->f;

  2303. 

  2304.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2305.     }

  2306. 

  2307.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2308.     {

  2309.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2310.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2311. 

  2312.         const int32_t bank    = argv[0]->i;

  2313.         const int32_t program = argv[1]->i;

  2314. 

  2315.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2316.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2317. 

  2318.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2319.     }

  2320. 

  2321.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2322.     {

  2323.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2324.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2325. 

  2326.         if (getMidiInCount() == 0)

  2327.         {

  2328.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2329.             return;

  2330.         }

  2331. 

  2332.         const uint8_t* const data = argv[0]->m;

  2333.         uint8_t status  = data[1];

  2334.         uint8_t channel = status & 0x0F;

  2335. 

  2336.         // Fix bad note-off

  2337.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2338.             status = MIDI_STATUS_NOTE_OFF;

  2339. 

  2340.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2341.         {

  2342.             const uint8_t note = data[2];

  2343. 

  2344.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2345. 

  2346.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2347.         }

  2348.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2349.         {

  2350.             const uint8_t note = data[2];

  2351.             const uint8_t velo = data[3];

  2352. 

  2353.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2354.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2355. 

  2356.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2357.         }

  2358.     }

  2359. 

  2360.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2361.     {

  2362.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2363.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2364. 

  2365.         const char* const url = (const char*)&argv[0]->s;

  2366. 

  2367.         // FIXME - remove debug prints later

  2368.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2369. 

  2370.         fOscData.clear();

  2371. 

  2372.         const int proto = lo_address_get_protocol(source);

  2373. 

  2374.         {

  2375.             const char* host = lo_address_get_hostname(source);

  2376.             const char* port = lo_address_get_port(source);

  2377.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2378. 

  2379.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2380.         }

  2381. 

  2382.         {

  2383.             char* host = lo_url_get_hostname(url);

  2384.             char* port = lo_url_get_port(url);

  2385.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2386.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2387.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2388. 

  2389.             std::free(host);

  2390.             std::free(port);

  2391.         }

  2392. 

  2393.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2394. 

  2395.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2396.         {

  2397.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2398.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2399. 

  2400.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2401.                 osc_send_configure(fOscData, customData.key, customData.value);

  2402.         }

  2403. 

  2404.         if (pData->prog.current >= 0)

  2405.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2406. 

  2407.         if (pData->midiprog.current >= 0)

  2408.         {

  2409.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2410. 

  2411.             if (getType() == PLUGIN_DSSI)

  2412.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2413.             else

  2414.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2415.         }

  2416. 

  2417.         for (uint32_t i=0; i < pData->param.count; ++i)

  2418.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2419. 

  2420.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2421.             pData->transientTryCounter = 1;

  2422. 

  2423.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2424.     }

  2425. 

  2426.     void handleOscMessageExiting()

  2427.     {

  2428.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2429. 

  2430.         // hide UI

  2431.         showCustomUI(false);

  2432. 

  2433.         // tell frontend

  2434.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2435.     }

  2436. 

  2437.     // -------------------------------------------------------------------

  2438.     // Post-poned UI Stuff

  2439. 

  2440.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2441.     {

  2442.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2443. 

  2444.         if (fOscData.target == nullptr)

  2445.             return;

  2446. 

  2447.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2448.     }

  2449. 

  2450.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2451.     {

  2452.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2453. 

  2454.         if (fOscData.target == nullptr)

  2455.             return;

  2456. 

  2457.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2458.     }

  2459. 

  2460.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2461.     {

  2462.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2463.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2464.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2465. 

  2466.         if (fOscData.target == nullptr)

  2467.             return;

  2468. 

  2469. #if 0

  2470.         uint8_t midiData[4];

  2471.         midiData[0] = 0;

  2472.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2473.         midiData[2] = note;

  2474.         midiData[3] = velo;

  2475. 

  2476.         osc_send_midi(fOscData, midiData);

  2477. #endif

  2478.     }

  2479. 

  2480.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2481.     {

  2482.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2483.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2484. 

  2485.         if (fOscData.target == nullptr)

  2486.             return;

  2487. 

  2488. #if 0

  2489.         uint8_t midiData[4];

  2490.         midiData[0] = 0;

  2491.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2492.         midiData[2] = note;

  2493.         midiData[3] = 0;

  2494. 

  2495.         osc_send_midi(fOscData, midiData);

  2496. #endif

  2497.     }

  2498. #endif // HAVE_LIBLO

  2499. 

  2500.     // -------------------------------------------------------------------

  2501. 

  2502.     const void* getNativeDescriptor() const noexcept override

  2503.     {

  2504.         return fDssiDescriptor;

  2505.     }

  2506. 

  2507. #ifdef HAVE_LIBLO

  2508.     uintptr_t getUiBridgeProcessId() const noexcept override

  2509.     {

  2510.         return fThreadUI.getProcessPID();

  2511.     }

  2512. 

  2513.     const void* getExtraStuff() const noexcept override

  2514.     {

  2515.         return fUiFilename;

  2516.     }

  2517. #endif

  2518. 

  2519.     // -------------------------------------------------------------------

  2520. 

  2521.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  2522.     {

  2523.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2524. 

  2525.         // ---------------------------------------------------------------

  2526.         // first checks

  2527. 

  2528.         if (pData->client != nullptr)

  2529.         {

  2530.             pData->engine->setLastError("Plugin client is already registered");

  2531.             return false;

  2532.         }

  2533. 

  2534.         if (filename == nullptr || filename[0] == '\0')

  2535.         {

  2536.             pData->engine->setLastError("null filename");

  2537.             return false;

  2538.         }

  2539. 

  2540.         if (label == nullptr || label[0] == '\0')

  2541.         {

  2542.             pData->engine->setLastError("null label");

  2543.             return false;

  2544.         }

  2545. 

  2546.         // ---------------------------------------------------------------

  2547.         // open DLL

  2548. 

  2549.         if (! pData->libOpen(filename))

  2550.         {

  2551.             pData->engine->setLastError(pData->libError(filename));

  2552.             return false;

  2553.         }

  2554. 

  2555.         // ---------------------------------------------------------------

  2556.         // get DLL main entry

  2557. 

  2558.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2559. 

  2560.         if (descFn == nullptr)

  2561.         {

  2562.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2563.             return false;

  2564.         }

  2565. 

  2566.         // ---------------------------------------------------------------

  2567.         // get descriptor that matches label

  2568. 

  2569.         for (ulong d=0;; ++d)

  2570.         {

  2571.             try {

  2572.                 fDssiDescriptor = descFn(d);

  2573.             }

  2574.             catch(...) {

  2575.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2576.                 fDescriptor     = nullptr;

  2577.                 fDssiDescriptor = nullptr;

  2578.                 break;

  2579.             }

  2580. 

  2581.             if (fDssiDescriptor == nullptr)

  2582.                 break;

  2583. 

  2584.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2585. 

  2586.             if (fDescriptor == nullptr)

  2587.             {

  2588.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2589.                 fDssiDescriptor = nullptr;

  2590.                 break;

  2591.             }

  2592.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2593.             {

  2594.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2595.                 fDescriptor     = nullptr;

  2596.                 fDssiDescriptor = nullptr;

  2597.                 break;

  2598.             }

  2599.             if (fDescriptor->run == nullptr)

  2600.             {

  2601.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2602.                 fDescriptor     = nullptr;

  2603.                 fDssiDescriptor = nullptr;

  2604.                 break;

  2605.             }

  2606. 

  2607.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2608.                 break;

  2609.         }

  2610. 

  2611.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2612.         {

  2613.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2614.             return false;

  2615.         }

  2616. 

  2617.         // ---------------------------------------------------------------

  2618.         // check if uses global instance

  2619. 

  2620.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2621.         {

  2622.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2623.             return false;

  2624.         }

  2625. 

  2626.         // ---------------------------------------------------------------

  2627.         // get info

  2628. 

  2629.         if (name != nullptr && name[0] != '\0')

  2630.             pData->name = pData->engine->getUniquePluginName(name);

  2631.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2632.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2633.         else

  2634.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2635. 

  2636.         pData->filename = carla_strdup(filename);

  2637. 

  2638.         // ---------------------------------------------------------------

  2639.         // register client

  2640. 

  2641.         pData->client = pData->engine->addClient(this);

  2642. 

  2643.         if (pData->client == nullptr || ! pData->client->isOk())

  2644.         {

  2645.             pData->engine->setLastError("Failed to register plugin client");

  2646.             return false;

  2647.         }

  2648. 

  2649.         // ---------------------------------------------------------------

  2650.         // initialize plugin

  2651. 

  2652.         if (! addInstance())

  2653.             return false;

  2654. 

  2655.         // ---------------------------------------------------------------

  2656.         // find latency port index

  2657. 

  2658.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2659.         {

  2660.             const int portType(fDescriptor->PortDescriptors[i]);

  2661. 

  2662.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2663.                 continue;

  2664. 

  2665.             const uint32_t index(iCtrl++);

  2666. 

  2667.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2668.                 continue;

  2669. 

  2670.             const char* const portName(fDescriptor->PortNames[i]);

  2671.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2672. 

  2673.             if (std::strcmp(portName, "latency")  == 0 ||

  2674.                 std::strcmp(portName, "_latency") == 0)

  2675.             {

  2676.                 fLatencyIndex = static_cast<int32_t>(index);

  2677.                 break;

  2678.             }

  2679.         }

  2680. 

  2681.         // ---------------------------------------------------------------

  2682.         // check for custom data extension

  2683. 

  2684.         if (fDssiDescriptor->configure != nullptr)

  2685.         {

  2686.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2687.             {

  2688.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2689.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2690.                     fUsesCustomData = true;

  2691. 

  2692.                 std::free(error);

  2693.             }

  2694.         }

  2695. 

  2696.         // ---------------------------------------------------------------

  2697.         // check if this is dssi-vst

  2698. 

  2699.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2700. 

  2701. #ifdef HAVE_LIBLO

  2702.         // ---------------------------------------------------------------

  2703.         // check for gui

  2704. 

  2705.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2706.         {

  2707.             fUiFilename = guiFilename;

  2708.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2709.         }

  2710. #endif

  2711. 

  2712.         // ---------------------------------------------------------------

  2713.         // set default options

  2714. 

  2715.         pData->options = 0x0;

  2716. 

  2717.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2718.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2719.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2720.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2721. 

  2722.         /**/ if (pData->engine->getOptions().forceStereo)

  2723.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2724.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2725.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2726. 

  2727.         if (fUsesCustomData)

  2728.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2729. 

  2730.         if (fDssiDescriptor->run_synth != nullptr)

  2731.         {

  2732.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2733.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2734.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2735.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2736. 

  2737.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2738.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2739.         }

  2740. 

  2741.         return true;

  2742.     }

  2743. 

  2744.     // -------------------------------------------------------------------

  2745. 

  2746. private:

  2747.     LinkedList<LADSPA_Handle> fHandles;

  2748.     const LADSPA_Descriptor*  fDescriptor;

  2749.     const DSSI_Descriptor*    fDssiDescriptor;

  2750. 

  2751.     float** fAudioInBuffers;

  2752.     float** fAudioOutBuffers;

  2753.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2754.     float*  fParamBuffers;

  2755. 

  2756.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2757. 

  2758.     int32_t fLatencyIndex; // -1 if invalid

  2759.     bool    fForcedStereoIn;

  2760.     bool    fForcedStereoOut;

  2761.     bool    fIsDssiVst;

  2762.     bool    fUsesCustomData;

  2763. 

  2764. #ifdef HAVE_LIBLO

  2765.     CarlaOscData      fOscData;

  2766.     CarlaThreadDSSIUI fThreadUI;

  2767.     const char*       fUiFilename;

  2768. #endif

  2769. 

  2770.     // -------------------------------------------------------------------

  2771. 

  2772.     bool addInstance()

  2773.     {

  2774.         LADSPA_Handle handle;

  2775. 

  2776.         try {

  2777.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2778.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2779. 

  2780.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2781.         {

  2782.             const int32_t rindex(pData->param.data[i].rindex);

  2783.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2784. 

  2785.             try {

  2786.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2787.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2788.         }

  2789. 

  2790.         if (fHandles.append(handle))

  2791.             return true;

  2792. 

  2793.         try {

  2794.             fDescriptor->cleanup(handle);

  2795.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2796. 

  2797.         pData->engine->setLastError("Out of memory");

  2798.         return false;

  2799.     }

  2800. 

  2801.     uint32_t getSafePortCount() const noexcept

  2802.     {

  2803.         if (fDescriptor->PortCount == 0)

  2804.             return 0;

  2805. 

  2806.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2807.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2808.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2809. 

  2810.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2811.     }

  2812. 

  2813.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2814.     {

  2815.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2816.             return true;

  2817.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2818.             return true;

  2819.         return false;

  2820.     }

  2821. 

  2822.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2823.                                                      const bool wantName, const bool useBracket) noexcept

  2824.     {

  2825.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2826. 

  2827.         if (sepBracketStart == nullptr)

  2828.             return false;

  2829. 

  2830.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2831. 

  2832.         if (sepBracketEnd == nullptr)

  2833.             return false;

  2834. 

  2835.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2836. 

  2837.         if (unitSize > 7) // very unlikely to have such big unit

  2838.             return false;

  2839. 

  2840.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2841. 

  2842.         // just in case

  2843.         if (sepIndex+2 >= STR_MAX)

  2844.             return false;

  2845. 

  2846.         if (wantName)

  2847.         {

  2848.             std::strncpy(strBuf, paramName, sepIndex);

  2849.             strBuf[sepIndex] = '\0';

  2850.         }

  2851.         else

  2852.         {

  2853.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2854.             strBuf[unitSize] = '\0';

  2855.         }

  2856. 

  2857.         return true;

  2858.     }

  2859. 

  2860.     // -------------------------------------------------------------------

  2861. 

  2862.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2863. };

  2864. 

  2865. // -------------------------------------------------------------------------------------------------------------------

  2866. 

  2867. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2868. {

  2869.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2870.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2871. 

  2872.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2873. 

  2874.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2875.     {

  2876.         delete plugin;

  2877.         return nullptr;

  2878.     }

  2879. 

  2880.     return plugin;

  2881. }

  2882. 

  2883. // -------------------------------------------------------------------------------------------------------------------

  2884. 

  2885. CARLA_BACKEND_END_NAMESPACE