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Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

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  1. /*

  2.  * Carla Plugin, LADSPA/DSSI implementation

  3.  * Copyright (C) 2011-2019 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaBackendUtils.hpp"

  22. #include "CarlaLadspaUtils.hpp"

  23. #include "CarlaDssiUtils.hpp"

  24. #include "CarlaMathUtils.hpp"

  25. 

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

  27. # include "CarlaOscUtils.hpp"

  28. # include "CarlaScopeUtils.hpp"

  29. # include "CarlaThread.hpp"

  30. # include "water/threads/ChildProcess.h"

  31. using water::ChildProcess;

  32. #endif

  33. 

  34. using water::String;

  35. using water::StringArray;

  36. 

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

  38.     /* check argument count */                                                                  \

  39.     if (argc != argcToCompare)                                                                  \

  40.     {                                                                                           \

  41.         carla_stderr("CarlaPluginLADSPADSSI::%s() - argument count mismatch: %i != %i",         \

  42.                      __FUNCTION__, argc, argcToCompare);                                        \

  43.         return;                                                                                 \

  44.     }                                                                                           \

  45.     if (argc > 0)                                                                               \

  46.     {                                                                                           \

  47.         /* check for nullness */                                                                \

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

  49.         {                                                                                       \

  50.             carla_stderr("CarlaPluginLADSPADSSI::%s() - argument types are null",               \

  51.                          __FUNCTION__);                                                         \

  52.             return;                                                                             \

  53.         }                                                                                       \

  54.         /* check argument types */                                                              \

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

  56.         {                                                                                       \

  57.             carla_stderr("CarlaPluginLADSPADSSI::%s() - argument types mismatch: '%s' != '%s'", \

  58.                          __FUNCTION__, types, typesToCompare);                                  \

  59.             return;                                                                             \

  60.         }                                                                                       \

  61.     }

  62. 

  63. CARLA_BACKEND_START_NAMESPACE

  64. 

  65. // -------------------------------------------------------------------

  66. // Fallback data

  67. 

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

  69. 

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

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

  72. 

  73. class CarlaThreadDSSIUI : public CarlaThread

  74. {

  75. public:

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

  77.         : CarlaThread("CarlaThreadDSSIUI"),

  78.           kEngine(engine),

  79.           kPlugin(plugin),

  80.           fBinary(),

  81.           fLabel(),

  82.           fOscData(oscData),

  83.           fProcess() {}

  84. 

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

  86.     {

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

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

  89.         CARLA_SAFE_ASSERT(! isThreadRunning());

  90. 

  91.         fBinary = binary;

  92.         fLabel  = label;

  93. 

  94.         if (fLabel.isEmpty())

  95.             fLabel = "\"\"";

  96.     }

  97. 

  98.     uintptr_t getProcessId() const noexcept

  99.     {

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

  101. 

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

  103.     }

  104. 

  105.     void run()

  106.     {

  107.         carla_stdout("LADSPA/DSSI UI thread started");

  108. 

  109.         if (fProcess == nullptr)

  110.         {

  111.             fProcess = new ChildProcess();

  112.         }

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

  114.         {

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

  116. 

  117.             fProcess->kill();

  118.             fProcess = nullptr;

  119.             kEngine->callback(true, true,

  120.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  121.                               kPlugin->getId(),

  122.                               0,

  123.                               0, 0, 0.0f, nullptr);

  124.             return;

  125.         }

  126. 

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

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

  129. 

  130.         if (name.isEmpty())

  131.             name = "(none)";

  132. 

  133.         if (filename.isEmpty())

  134.             filename = "\"\"";

  135. 

  136.         StringArray arguments;

  137. 

  138.         // binary

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

  140. 

  141.         // osc-url

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

  143. 

  144.         // filename

  145.         arguments.add(filename);

  146. 

  147.         // label

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

  149. 

  150.         // ui-title

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

  152. 

  153.         bool started;

  154. 

  155.         {

  156. #ifdef CARLA_OS_LINUX

  157.             /*

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

  159.              * If not, unset LD_PRELOAD.

  160.              */

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

  162. 

  163.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  164.             char winIdStr[STR_MAX+1];

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

  166. 

  167.             // for LD_PRELOAD

  168.             CarlaString ldPreloadValue;

  169. 

  170.             if (winId != 0)

  171.             {

  172.                 std::snprintf(winIdStr, STR_MAX, P_UINTPTR, winId);

  173.                 ldPreloadValue = (CarlaString(kEngine->getOptions().binaryDir)

  174.                                + "/libcarla_interposer-x11.so");

  175.             }

  176.             else

  177.             {

  178.                 winIdStr[0] = '\0';

  179.             }

  180. 

  181.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

  183.             const CarlaScopedEnvVar _sev2("LD_PRELOAD", ldPreloadValue.isNotEmpty() ? ldPreloadValue.buffer() : nullptr);

  184. #endif // CARLA_OS_LINUX

  185. 

  186.             // start the DSSI UI application

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

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

  189.         }

  190. 

  191.         if (! started)

  192.         {

  193.             carla_stdout("failed!");

  194.             fProcess = nullptr;

  195.             return;

  196.         }

  197. 

  198.         if (waitForOscGuiShow())

  199.         {

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

  201.                 carla_sleep(1);

  202. 

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

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

  205.             {

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

  207. 

  208.                 if (fProcess->isRunning())

  209.                 {

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

  211.                     fProcess->kill();

  212.                 }

  213.                 else

  214.                 {

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

  216.                 }

  217.             }

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

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

  220.             else

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

  222.         }

  223.         else

  224.         {

  225.             fProcess->kill();

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

  227.         }

  228. 

  229.         fProcess = nullptr;

  230.         kEngine->callback(true, true,

  231.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  232.                           kPlugin->getId(),

  233.                           0,

  234.                           0, 0, 0.0f, nullptr);

  235. 

  236.         carla_stdout("LADSPA/DSSI UI thread finished");

  237.     }

  238. 

  239. private:

  240.     CarlaEngine* const kEngine;

  241.     CarlaPlugin* const kPlugin;

  242. 

  243.     CarlaString fBinary;

  244.     CarlaString fLabel;

  245. 

  246.     const CarlaOscData& fOscData;

  247.     CarlaScopedPointer<ChildProcess> fProcess;

  248. 

  249.     bool waitForOscGuiShow()

  250.     {

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

  252.         const uint uiBridgesTimeout = kEngine->getOptions().uiBridgesTimeout;

  253. 

  254.         // wait for UI 'update' call

  255.         for (uint i=0; i < uiBridgesTimeout/100; ++i)

  256.         {

  257.             if (fOscData.target != nullptr)

  258.             {

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

  260.                 osc_send_show(fOscData);

  261.                 return true;

  262.             }

  263. 

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

  265.                 carla_msleep(100);

  266.             else

  267.                 return false;

  268.         }

  269. 

  270.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - Timeout while waiting for UI to respond"

  271.                      "(waited %u msecs)", uiBridgesTimeout);

  272.         return false;

  273.     }

  274. 

  275.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  276. };

  277. #endif

  278. 

  279. // -----------------------------------------------------

  280. 

  281. class CarlaPluginLADSPADSSI : public CarlaPlugin

  282. {

  283. public:

  284.     CarlaPluginLADSPADSSI(CarlaEngine* const engine, const uint id) noexcept

  285.         : CarlaPlugin(engine, id),

  286.           fHandles(),

  287.           fDescriptor(nullptr),

  288.           fDssiDescriptor(nullptr),

  289.           fRdfDescriptor(nullptr),

  290.           fAudioInBuffers(nullptr),

  291.           fAudioOutBuffers(nullptr),

  292.           fExtraStereoBuffer(),

  293.           fParamBuffers(nullptr),

  294.           fLatencyIndex(-1),

  295.           fForcedStereoIn(false),

  296.           fForcedStereoOut(false),

  297.           fNeedsFixedBuffers(false),

  298.           fUsesCustomData(false)

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

  300.         , fOscData(),

  301.           fThreadUI(engine, this, fOscData),

  302.           fUiFilename(nullptr)

  303. #endif

  304.     {

  305.         carla_debug("CarlaPluginLADSPADSSI::CarlaPluginLADSPADSSI(%p, %i)", engine, id);

  306. 

  307.         carla_zeroPointers(fExtraStereoBuffer, 2);

  308.     }

  309. 

  310.     ~CarlaPluginLADSPADSSI() noexcept override

  311.     {

  312.         carla_debug("CarlaPluginLADSPADSSI::~CarlaPluginLADSPADSSI()");

  313. 

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

  315.         // close UI

  316.         if (fUiFilename != nullptr)

  317.         {

  318.             showCustomUI(false);

  319. 

  320.             delete[] fUiFilename;

  321.             fUiFilename = nullptr;

  322.         }

  323. #endif

  324. 

  325.         pData->singleMutex.lock();

  326.         pData->masterMutex.lock();

  327. 

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

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

  330. 

  331.         if (pData->active)

  332.         {

  333.             deactivate();

  334.             pData->active = false;

  335.         }

  336. 

  337.         if (fDescriptor != nullptr)

  338.         {

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

  340.             {

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

  342.                 {

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

  344.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  345. 

  346.                     try {

  347.                         fDescriptor->cleanup(handle);

  348.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  349.                 }

  350.             }

  351. 

  352.             fHandles.clear();

  353.             fDescriptor = nullptr;

  354.             fDssiDescriptor = nullptr;

  355.         }

  356. 

  357.         if (fRdfDescriptor != nullptr)

  358.         {

  359.             delete fRdfDescriptor;

  360.             fRdfDescriptor = nullptr;

  361.         }

  362. 

  363.         clearBuffers();

  364.     }

  365. 

  366.     // -------------------------------------------------------------------

  367.     // Information (base)

  368. 

  369.     PluginType getType() const noexcept override

  370.     {

  371.         return fDssiDescriptor != nullptr ? PLUGIN_DSSI : PLUGIN_LADSPA;

  372.     }

  373. 

  374.     PluginCategory getCategory() const noexcept override

  375.     {

  376.         if (fRdfDescriptor != nullptr)

  377.         {

  378.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  379. 

  380.             // Specific Types

  381.             if (category & (LADSPA_RDF_PLUGIN_DELAY|LADSPA_RDF_PLUGIN_REVERB))

  382.                 return PLUGIN_CATEGORY_DELAY;

  383.             if (category & (LADSPA_RDF_PLUGIN_PHASER|LADSPA_RDF_PLUGIN_FLANGER|LADSPA_RDF_PLUGIN_CHORUS))

  384.                 return PLUGIN_CATEGORY_MODULATOR;

  385.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  386.                 return PLUGIN_CATEGORY_DYNAMICS;

  387.             if (category & (LADSPA_RDF_PLUGIN_UTILITY|LADSPA_RDF_PLUGIN_SPECTRAL|LADSPA_RDF_PLUGIN_FREQUENCY_METER))

  388.                 return PLUGIN_CATEGORY_UTILITY;

  389. 

  390.             // Pre-set LADSPA Types

  391.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  392.                 return PLUGIN_CATEGORY_DYNAMICS;

  393.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  394.                 return PLUGIN_CATEGORY_MODULATOR;

  395.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  396.                 return PLUGIN_CATEGORY_EQ;

  397.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  398.                 return PLUGIN_CATEGORY_FILTER;

  399.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  400.                 return PLUGIN_CATEGORY_UTILITY;

  401.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  402.                 return PLUGIN_CATEGORY_OTHER;

  403.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  404.                 return PLUGIN_CATEGORY_DELAY;

  405.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  406.                 return PLUGIN_CATEGORY_SYNTH;

  407.         }

  408. 

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

  410.             if (pData->audioIn.count == 0 && pData->audioOut.count > 0)

  411.                 return PLUGIN_CATEGORY_SYNTH;

  412. 

  413.         return CarlaPlugin::getCategory();

  414.     }

  415. 

  416.     int64_t getUniqueId() const noexcept override

  417.     {

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

  419. 

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

  421.     }

  422. 

  423.     uint32_t getLatencyInFrames() const noexcept override

  424.     {

  425.         if (fLatencyIndex < 0 || fParamBuffers == nullptr)

  426.             return 0;

  427. 

  428.         const float latency(fParamBuffers[fLatencyIndex]);

  429.         CARLA_SAFE_ASSERT_RETURN(latency >= 0.0f, 0);

  430. 

  431.         return static_cast<uint32_t>(latency);

  432.     }

  433. 

  434.     // -------------------------------------------------------------------

  435.     // Information (count)

  436. 

  437.     uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override

  438.     {

  439.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0);

  440. 

  441.         if (fRdfDescriptor == nullptr)

  442.             return 0;

  443. 

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

  445.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, 0);

  446. 

  447.         if (rindex >= static_cast<int32_t>(fRdfDescriptor->PortCount))

  448.             return 0;

  449. 

  450.         const LADSPA_RDF_Port& port(fRdfDescriptor->Ports[rindex]);

  451.         return static_cast<uint32_t>(port.ScalePointCount);

  452.     }

  453. 

  454.     // -------------------------------------------------------------------

  455.     // Information (current data)

  456. 

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

  458.     {

  459.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  465. 

  466.         *dataPtr = nullptr;

  467. 

  468.         int ret = 0;

  469.         ulong dataSize = 0;

  470. 

  471.         try {

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

  473.         } CARLA_SAFE_EXCEPTION_RETURN("CarlaPluginLADSPADSSI::getChunkData", 0);

  474. 

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

  476.     }

  477. 

  478.     // -------------------------------------------------------------------

  479.     // Information (per-plugin data)

  480. 

  481.     uint getOptionsAvailable() const noexcept override

  482.     {

  483.         uint options = 0x0;

  484. 

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

  486.         if (fLatencyIndex == -1 && ! fNeedsFixedBuffers)

  487.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  488. 

  489.         // can't disable forced stereo if enabled in the engine

  490.         if (pData->engine->getOptions().forceStereo)

  491.             pass();

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

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

  494.             options |= PLUGIN_OPTION_FORCE_STEREO;

  495. 

  496.         if (fDssiDescriptor != nullptr)

  497.         {

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

  499.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  500. 

  501.             if (fUsesCustomData)

  502.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  503. 

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

  505.             {

  506.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  507.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  508.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  509.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  510.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  511.             }

  512.         }

  513. 

  514.         return options;

  515.     }

  516. 

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

  518.     {

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

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

  521. 

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

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

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

  525. 

  526.         // not output, should be fine

  527.         return fParamBuffers[parameterId];

  528.     }

  529. 

  530.     float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override

  531.     {

  532.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,        0.0f);

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

  534. 

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

  536.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,                                              0.0f);

  537.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fRdfDescriptor->PortCount), 0.0f);

  538. 

  539.         const LADSPA_RDF_Port& port(fRdfDescriptor->Ports[rindex]);

  540.         CARLA_SAFE_ASSERT_RETURN(scalePointId < port.ScalePointCount, 0.0f);

  541. 

  542.         const LADSPA_RDF_ScalePoint& scalePoint(port.ScalePoints[scalePointId]);

  543.         return pData->param.ranges[parameterId].getFixedValue(scalePoint.Value);

  544.     }

  545. 

  546.     bool getLabel(char* const strBuf) const noexcept override

  547.     {

  548.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  549.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Label != nullptr, false);

  550. 

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

  552.         return true;

  553.     }

  554. 

  555.     bool getMaker(char* const strBuf) const noexcept override

  556.     {

  557.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  558.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Maker != nullptr, false);

  559. 

  560.         if (fRdfDescriptor != nullptr && fRdfDescriptor->Creator != nullptr)

  561.             std::strncpy(strBuf, fRdfDescriptor->Creator, STR_MAX);

  562.         else

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

  564. 

  565.         return true;

  566.     }

  567. 

  568.     bool getCopyright(char* const strBuf) const noexcept override

  569.     {

  570.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  571.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Copyright != nullptr, false);

  572. 

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

  574.         return true;

  575.     }

  576. 

  577.     bool getRealName(char* const strBuf) const noexcept override

  578.     {

  579.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  580.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Name != nullptr, false);

  581. 

  582.         if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr)

  583.             std::strncpy(strBuf, fRdfDescriptor->Title, STR_MAX);

  584.         else

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

  586. 

  587.         return true;

  588.     }

  589. 

  590.     bool getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  591.     {

  592.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

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

  594. 

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

  596.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, false);

  597.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), false);

  598.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr, false);

  599. 

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

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

  602. 

  603.         return true;

  604.     }

  605. 

  606.     bool getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  607.     {

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

  609. 

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

  611.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, false);

  612. 

  613.         if (fRdfDescriptor != nullptr && rindex < static_cast<int32_t>(fRdfDescriptor->PortCount))

  614.         {

  615.             const LADSPA_RDF_Port& port(fRdfDescriptor->Ports[rindex]);

  616. 

  617.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  618.             {

  619.                 switch (port.Unit)

  620.                 {

  621.                 case LADSPA_RDF_UNIT_DB:

  622.                     std::strncpy(strBuf, "dB", STR_MAX);

  623.                     return true;

  624.                 case LADSPA_RDF_UNIT_COEF:

  625.                     std::strncpy(strBuf, "(coef)", STR_MAX);

  626.                     return true;

  627.                 case LADSPA_RDF_UNIT_HZ:

  628.                     std::strncpy(strBuf, "Hz", STR_MAX);

  629.                     return true;

  630.                 case LADSPA_RDF_UNIT_S:

  631.                     std::strncpy(strBuf, "s", STR_MAX);

  632.                     return true;

  633.                 case LADSPA_RDF_UNIT_MS:

  634.                     std::strncpy(strBuf, "ms", STR_MAX);

  635.                     return true;

  636.                 case LADSPA_RDF_UNIT_MIN:

  637.                     std::strncpy(strBuf, "min", STR_MAX);

  638.                     return true;

  639.                 }

  640.             }

  641.         }

  642. 

  643.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), false);

  644.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr, false);

  645. 

  646.         return getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, false);

  647.     }

  648. 

  649.     bool getParameterSymbol(const uint32_t parameterId, char* const strBuf) const noexcept override

  650.     {

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

  652. 

  653.         if (fRdfDescriptor == nullptr)

  654.             return false;

  655. 

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

  657.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, false);

  658. 

  659.         if (rindex >= static_cast<int32_t>(fRdfDescriptor->PortCount))

  660.             return false;

  661. 

  662.         const LADSPA_RDF_Port& port(fRdfDescriptor->Ports[rindex]);

  663. 

  664.         if (! LADSPA_RDF_PORT_HAS_LABEL(port.Hints))

  665.             return false;

  666. 

  667.         CARLA_SAFE_ASSERT_RETURN(port.Label != nullptr, false);

  668. 

  669.         std::strncpy(strBuf, port.Label, STR_MAX);

  670.         return true;

  671.     }

  672. 

  673.     bool getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override

  674.     {

  675.         CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false);

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

  677. 

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

  679.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, false);

  680.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fRdfDescriptor->PortCount), false);

  681. 

  682.         const LADSPA_RDF_Port& port(fRdfDescriptor->Ports[rindex]);

  683.         CARLA_SAFE_ASSERT_RETURN(scalePointId < port.ScalePointCount, false);

  684. 

  685.         const LADSPA_RDF_ScalePoint& scalePoint(port.ScalePoints[scalePointId]);

  686.         CARLA_SAFE_ASSERT_RETURN(scalePoint.Label != nullptr, false);

  687. 

  688.         std::strncpy(strBuf, scalePoint.Label, STR_MAX);

  689.         return true;

  690.     }

  691. 

  692.     // -------------------------------------------------------------------

  693.     // Set data (state)

  694. 

  695.     // nothing

  696. 

  697.     // -------------------------------------------------------------------

  698.     // Set data (internal stuff)

  699. 

  700.     void setId(const uint newId) noexcept override

  701.     {

  702.         CarlaPlugin::setId(newId);

  703. 

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

  705.         // FIXME - must be RT safe

  706.         showCustomUI(false);

  707.     }

  708. 

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

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

  711. 

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

  713.     {

  714.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  716. 

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

  718.         fParamBuffers[parameterId] = fixedValue;

  719. 

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

  721.     }

  722. 

  723.     void setParameterValueRT(const uint32_t parameterId, const float value, const bool sendCallbackLater) noexcept override

  724.     {

  725.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  727. 

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

  729.         fParamBuffers[parameterId] = fixedValue;

  730. 

  731.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue, sendCallbackLater);

  732.     }

  733. 

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

  735.     {

  736.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  739.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  741. 

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

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

  744. 

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

  746.             return carla_stderr2("CarlaPluginLADSPADSSI::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string",

  747.                                  type, key, value, bool2str(sendGui));

  748. 

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

  750.         {

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

  752.             {

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

  754.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  755. 

  756.                 try {

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

  758.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI setCustomData");

  759.             }

  760.         }

  761. 

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

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

  764.             osc_send_configure(fOscData, key, value);

  765. #endif

  766. 

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

  768.         {

  769.             const ScopedSingleProcessLocker spl(this, true);

  770.             reloadPrograms(false);

  771.         }

  772. 

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

  774.     }

  775. 

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

  777.     {

  778.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  780.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  782.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  783.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  784. 

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

  786.         {

  787.             const ScopedSingleProcessLocker spl(this, true);

  788. 

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

  790.             {

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

  792.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  793. 

  794.                 try {

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

  796.                 } CARLA_SAFE_EXCEPTION("CarlaPluginLADSPADSSI::setChunkData");

  797.             }

  798.         }

  799. 

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

  801.     }

  802. 

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

  804.     {

  805.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  808.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,);

  809. 

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

  811.         {

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

  813. 

  814.             setMidiProgramInDSSI(static_cast<uint32_t>(index));

  815.         }

  816. 

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

  818.     }

  819. 

  820.     void setMidiProgramRT(const uint32_t uindex, const bool sendCallbackLater) noexcept override

  821.     {

  822.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  824.         CARLA_SAFE_ASSERT_RETURN(uindex < pData->midiprog.count,);

  825. 

  826.         setMidiProgramInDSSI(uindex);

  827. 

  828.         CarlaPlugin::setMidiProgramRT(uindex, sendCallbackLater);

  829.     }

  830. 

  831.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  832.     {

  833.         const uint32_t bank(pData->midiprog.data[uindex].bank);

  834.         const uint32_t program(pData->midiprog.data[uindex].program);

  835. 

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

  837.         {

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

  839.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  840. 

  841.             try {

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

  843.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI setMidiProgram")

  844.         }

  845.     }

  846. 

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

  848.     // -------------------------------------------------------------------

  849.     // Set ui stuff

  850. 

  851.     void showCustomUI(const bool yesNo) override

  852.     {

  853.         if (yesNo)

  854.         {

  855.             fOscData.clear();

  856.             fThreadUI.startThread();

  857.         }

  858.         else

  859.         {

  860. #ifndef BUILD_BRIDGE

  861.             pData->transientTryCounter = 0;

  862. #endif

  863. 

  864.             if (fOscData.target != nullptr)

  865.             {

  866.                 osc_send_hide(fOscData);

  867.                 osc_send_quit(fOscData);

  868.                 fOscData.clear();

  869.             }

  870. 

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

  872.         }

  873.     }

  874. #endif

  875. 

  876.     // -------------------------------------------------------------------

  877.     // Plugin state

  878. 

  879.     void reload() override

  880.     {

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

  882.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

  884.         carla_debug("CarlaPluginLADSPADSSI::reload() - start");

  885. 

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

  887. 

  888.         // Safely disable plugin for reload

  889.         const ScopedDisabler sd(this);

  890. 

  891.         if (pData->active)

  892.             deactivate();

  893. 

  894.         clearBuffers();

  895. 

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

  897.         const uint32_t portCount(getSafePortCount());

  898. 

  899.         uint32_t aIns, aOuts, mIns, params;

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

  901. 

  902.         bool forcedStereoIn, forcedStereoOut;

  903.         forcedStereoIn = forcedStereoOut = false;

  904. 

  905.         bool needsCtrlIn, needsCtrlOut;

  906.         needsCtrlIn = needsCtrlOut = false;

  907. 

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

  909.         {

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

  911. 

  912.             if (LADSPA_IS_PORT_AUDIO(portType))

  913.             {

  914.                 if (LADSPA_IS_PORT_INPUT(portType))

  915.                     aIns += 1;

  916.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  917.                     aOuts += 1;

  918.             }

  919.             else if (LADSPA_IS_PORT_CONTROL(portType))

  920.                 params += 1;

  921.         }

  922. 

  923.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  924.         {

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

  926.             {

  927.                 if (aIns == 1)

  928.                 {

  929.                     aIns = 2;

  930.                     forcedStereoIn = true;

  931.                 }

  932.                 if (aOuts == 1)

  933.                 {

  934.                     aOuts = 2;

  935.                     forcedStereoOut = true;

  936.                 }

  937.             }

  938.         }

  939. 

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

  941.         {

  942.             mIns = 1;

  943.             needsCtrlIn = true;

  944.         }

  945. 

  946.         if (aIns > 0)

  947.         {

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

  949.             fAudioInBuffers = new float*[aIns];

  950. 

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

  952.                 fAudioInBuffers[i] = nullptr;

  953.         }

  954. 

  955.         if (aOuts > 0)

  956.         {

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

  958.             fAudioOutBuffers = new float*[aOuts];

  959.             needsCtrlIn = true;

  960. 

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

  962.                 fAudioOutBuffers[i] = nullptr;

  963.         }

  964. 

  965.         if (params > 0)

  966.         {

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

  968. 

  969.             fParamBuffers = new float[params];

  970.             carla_zeroFloats(fParamBuffers, params);

  971.         }

  972. 

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

  974.         CarlaString portName;

  975. 

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

  977.         {

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

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

  980.             const bool hasPortRDF = (fRdfDescriptor != nullptr && i < fRdfDescriptor->PortCount);

  981. 

  982.             if (LADSPA_IS_PORT_AUDIO(portType))

  983.             {

  984.                 portName.clear();

  985. 

  986.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  987.                 {

  988.                     portName  = pData->name;

  989.                     portName += ":";

  990.                 }

  991. 

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

  993.                 {

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

  995.                 }

  996.                 else

  997.                 {

  998.                     if (LADSPA_IS_PORT_INPUT(portType))

  999.                     {

  1000.                         if (aIns > 1)

  1001.                         {

  1002.                             portName += "audio-in_";

  1003.                             portName += CarlaString(iAudioIn+1);

  1004.                         }

  1005.                         else

  1006.                             portName += "audio-in";

  1007.                     }

  1008.                     else

  1009.                     {

  1010.                         if (aOuts > 1)

  1011.                         {

  1012.                             portName += "audio-out_";

  1013.                             portName += CarlaString(iAudioOut+1);

  1014.                         }

  1015.                         else

  1016.                             portName += "audio-out";

  1017.                     }

  1018.                 }

  1019. 

  1020.                 portName.truncate(portNameSize);

  1021. 

  1022.                 if (LADSPA_IS_PORT_INPUT(portType))

  1023.                 {

  1024.                     const uint32_t j = iAudioIn++;

  1025.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1026.                     pData->audioIn.ports[j].rindex = i;

  1027. 

  1028.                     if (forcedStereoIn)

  1029.                     {

  1030.                         portName += "_2";

  1031.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1032.                         pData->audioIn.ports[1].rindex = i;

  1033.                     }

  1034.                 }

  1035.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1036.                 {

  1037.                     const uint32_t j = iAudioOut++;

  1038.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1039.                     pData->audioOut.ports[j].rindex = i;

  1040. 

  1041.                     if (forcedStereoOut)

  1042.                     {

  1043.                         portName += "_2";

  1044.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1045.                         pData->audioOut.ports[1].rindex = i;

  1046.                     }

  1047.                 }

  1048.                 else

  1049.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1050.             }

  1051.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1052.             {

  1053.                 const uint32_t j = iCtrl++;

  1054.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  1055.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  1056. 

  1057.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1058. 

  1059.                 float min, max, def, step, stepSmall, stepLarge;

  1060. 

  1061.                 // min value

  1062.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1063.                     min = portRangeHints.LowerBound;

  1064.                 else

  1065.                     min = 0.0f;

  1066. 

  1067.                 // max value

  1068.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1069.                     max = portRangeHints.UpperBound;

  1070.                 else

  1071.                     max = 1.0f;

  1072. 

  1073.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1074.                 {

  1075.                     min *= sampleRate;

  1076.                     max *= sampleRate;

  1077.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1078.                 }

  1079. 

  1080.                 if (min >= max)

  1081.                 {

  1082.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1083.                     max = min + 0.1f;

  1084.                 }

  1085. 

  1086.                 // default value

  1087.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1088.                     def = fRdfDescriptor->Ports[i].Default;

  1089.                 else

  1090.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1091. 

  1092.                 if (def < min)

  1093.                     def = min;

  1094.                 else if (def > max)

  1095.                     def = max;

  1096. 

  1097.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1098.                 {

  1099.                     step = max - min;

  1100.                     stepSmall = step;

  1101.                     stepLarge = step;

  1102.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1103.                 }

  1104.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1105.                 {

  1106.                     step = 1.0f;

  1107.                     stepSmall = 1.0f;

  1108.                     stepLarge = 10.0f;

  1109.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1110.                 }

  1111.                 else

  1112.                 {

  1113.                     const float range = max - min;

  1114.                     step = range/100.0f;

  1115.                     stepSmall = range/1000.0f;

  1116.                     stepLarge = range/10.0f;

  1117.                 }

  1118. 

  1119.                 if (LADSPA_IS_PORT_INPUT(portType))

  1120.                 {

  1121.                     pData->param.data[j].type   = PARAMETER_INPUT;

  1122.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1123.                     pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1124.                     needsCtrlIn = true;

  1125. 

  1126.                     // MIDI CC value

  1127.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1128.                     {

  1129.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1130.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1131.                         {

  1132.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1133.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1134.                                 pData->param.data[j].midiCC = cc;

  1135.                         }

  1136.                     }

  1137.                 }

  1138.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1139.                 {

  1140.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1141. 

  1142.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1143.                     {

  1144.                         min = 0.0f;

  1145.                         max = sampleRate;

  1146.                         def = 0.0f;

  1147.                         step = 1.0f;

  1148.                         stepSmall = 1.0f;

  1149.                         stepLarge = 1.0f;

  1150.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1151.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1152.                     }

  1153.                     else

  1154.                     {

  1155.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1156.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1157.                         needsCtrlOut = true;

  1158.                     }

  1159.                 }

  1160.                 else

  1161.                 {

  1162.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1163.                 }

  1164. 

  1165.                 // extra parameter hints

  1166.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1167.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1168. 

  1169.                 // check for scalepoints, require at least 2 to make it useful

  1170.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1171.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1172. 

  1173.                 pData->param.ranges[j].min = min;

  1174.                 pData->param.ranges[j].max = max;

  1175.                 pData->param.ranges[j].def = def;

  1176.                 pData->param.ranges[j].step = step;

  1177.                 pData->param.ranges[j].stepSmall = stepSmall;

  1178.                 pData->param.ranges[j].stepLarge = stepLarge;

  1179. 

  1180.                 // Start parameters in their default values

  1181.                 fParamBuffers[j] = def;

  1182. 

  1183.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1184.                 {

  1185.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1186.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1187. 

  1188.                     try {

  1189.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1190.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1191.                 }

  1192.             }

  1193.             else

  1194.             {

  1195.                 // Not Audio or Control

  1196.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1197. 

  1198.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1199.                 {

  1200.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1201.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1202. 

  1203.                     try {

  1204.                         fDescriptor->connect_port(handle, i, nullptr);

  1205.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1206.                 }

  1207.             }

  1208.         }

  1209. 

  1210.         if (needsCtrlIn)

  1211.         {

  1212.             portName.clear();

  1213. 

  1214.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1215.             {

  1216.                 portName  = pData->name;

  1217.                 portName += ":";

  1218.             }

  1219. 

  1220.             portName += "events-in";

  1221.             portName.truncate(portNameSize);

  1222. 

  1223.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1224. 

  1225.             for (uint32_t i=0; i < params && i < 32; ++i)

  1226.             {

  1227.                 const int32_t rindex = pData->param.data[i].rindex;

  1228.                 CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  1229. 

  1230.                 if (pData->param.data[i].type != PARAMETER_INPUT)

  1231.                     continue;

  1232.                 if (fDescriptor->PortNames[rindex] == nullptr || fDescriptor->PortNames[rindex][0] == '\0')

  1233.                     continue;

  1234. 

  1235.                 portName = fDescriptor->PortNames[rindex];

  1236.                 portName.truncate(portNameSize);

  1237. 

  1238.                 // Parameter as CV

  1239.                 CarlaEngineCVPort* const cvPort =

  1240.                     (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, true, i);

  1241.                 cvPort->setRange(pData->param.ranges[i].min, pData->param.ranges[i].max);

  1242.                 pData->event.portIn->addCVSource(cvPort, i);

  1243.             }

  1244.         }

  1245. 

  1246.         if (needsCtrlOut)

  1247.         {

  1248.             portName.clear();

  1249. 

  1250.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1251.             {

  1252.                 portName  = pData->name;

  1253.                 portName += ":";

  1254.             }

  1255. 

  1256.             portName += "events-out";

  1257.             portName.truncate(portNameSize);

  1258. 

  1259.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1260.         }

  1261. 

  1262.         if (forcedStereoIn || forcedStereoOut)

  1263.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1264.         else

  1265.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1266. 

  1267.         // plugin hints

  1268.         pData->hints = 0x0;

  1269. 

  1270.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1271.             pData->hints |= PLUGIN_IS_RTSAFE;

  1272. 

  1273. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1274.         if (fUiFilename != nullptr)

  1275.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1276. #endif

  1277. 

  1278. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1279.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1280.             pData->hints |= PLUGIN_CAN_DRYWET;

  1281. 

  1282.         if (aOuts > 0)

  1283.             pData->hints |= PLUGIN_CAN_VOLUME;

  1284. 

  1285.         if (aOuts >= 2 && aOuts % 2 == 0)

  1286.             pData->hints |= PLUGIN_CAN_BALANCE;

  1287. #endif

  1288. 

  1289.         // extra plugin hints

  1290.         pData->extraHints = 0x0;

  1291. 

  1292.         if (mIns > 0)

  1293.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1294. 

  1295.         // check initial latency

  1296.         findInitialLatencyValue(aIns, aOuts);

  1297. 

  1298.         fForcedStereoIn  = forcedStereoIn;

  1299.         fForcedStereoOut = forcedStereoOut;

  1300. 

  1301.         bufferSizeChanged(pData->engine->getBufferSize());

  1302.         reloadPrograms(true);

  1303. 

  1304.         if (pData->active)

  1305.             activate();

  1306. 

  1307.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1308.     }

  1309. 

  1310.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1311.     {

  1312.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1313.             return;

  1314. 

  1315.         // we need to pre-run the plugin so it can update its latency control-port

  1316.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1317.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1318. 

  1319.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1320.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1321. 

  1322.         for (uint32_t j=0; j < aIns; ++j)

  1323.         {

  1324.             tmpIn[j][0] = 0.0f;

  1325.             tmpIn[j][1] = 0.0f;

  1326. 

  1327.             try {

  1328.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1329.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1330.         }

  1331. 

  1332.         for (uint32_t j=0; j < aOuts; ++j)

  1333.         {

  1334.             tmpOut[j][0] = 0.0f;

  1335.             tmpOut[j][1] = 0.0f;

  1336. 

  1337.             try {

  1338.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1339.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1340.         }

  1341. 

  1342.         if (fDescriptor->activate != nullptr)

  1343.         {

  1344.             try {

  1345.                 fDescriptor->activate(handle);

  1346.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1347.         }

  1348. 

  1349.         try {

  1350.             fDescriptor->run(handle, 2);

  1351.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1352. 

  1353.         if (fDescriptor->deactivate != nullptr)

  1354.         {

  1355.             try {

  1356.                 fDescriptor->deactivate(handle);

  1357.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1358.         }

  1359. 

  1360.         // done, let's get the value

  1361.         if (const uint32_t latency = getLatencyInFrames())

  1362.         {

  1363.             pData->client->setLatency(latency);

  1364. #ifndef BUILD_BRIDGE

  1365.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1366. #endif

  1367.         }

  1368.     }

  1369. 

  1370.     void reloadPrograms(const bool doInit) override

  1371.     {

  1372.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1373. 

  1374.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1375.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1376. 

  1377.         const uint32_t oldCount = pData->midiprog.count;

  1378.         const int32_t  current  = pData->midiprog.current;

  1379. 

  1380.         // Delete old programs

  1381.         pData->midiprog.clear();

  1382. 

  1383.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1384.         if (fDssiDescriptor == nullptr)

  1385.             return;

  1386. 

  1387.         // Query new programs

  1388.         uint32_t newCount = 0;

  1389.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1390.         {

  1391.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1392.                 ++newCount;

  1393.         }

  1394. 

  1395.         if (newCount > 0)

  1396.         {

  1397.             pData->midiprog.createNew(newCount);

  1398. 

  1399.             // Update data

  1400.             for (uint32_t i=0; i < newCount; ++i)

  1401.             {

  1402.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1403.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1404.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1405. 

  1406.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1407.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1408.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1409.             }

  1410.         }

  1411. 

  1412.         if (doInit)

  1413.         {

  1414.             if (newCount > 0)

  1415.                 setMidiProgram(0, false, false, false, true);

  1416.         }

  1417.         else

  1418.         {

  1419.             // Check if current program is invalid

  1420.             bool programChanged = false;

  1421. 

  1422.             if (newCount == oldCount+1)

  1423.             {

  1424.                 // one midi program added, probably created by user

  1425.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1426.                 programChanged = true;

  1427.             }

  1428.             else if (current < 0 && newCount > 0)

  1429.             {

  1430.                 // programs exist now, but not before

  1431.                 pData->midiprog.current = 0;

  1432.                 programChanged = true;

  1433.             }

  1434.             else if (current >= 0 && newCount == 0)

  1435.             {

  1436.                 // programs existed before, but not anymore

  1437.                 pData->midiprog.current = -1;

  1438.                 programChanged = true;

  1439.             }

  1440.             else if (current >= static_cast<int32_t>(newCount))

  1441.             {

  1442.                 // current midi program > count

  1443.                 pData->midiprog.current = 0;

  1444.                 programChanged = true;

  1445.             }

  1446.             else

  1447.             {

  1448.                 // no change

  1449.                 pData->midiprog.current = current;

  1450.             }

  1451. 

  1452.             if (programChanged)

  1453.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1454. 

  1455.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1456.         }

  1457.     }

  1458. 

  1459.     // -------------------------------------------------------------------

  1460.     // Plugin processing

  1461. 

  1462.     void activate() noexcept override

  1463.     {

  1464.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1465. 

  1466.         if (fDescriptor->activate != nullptr)

  1467.         {

  1468.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1469.             {

  1470.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1471.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1472. 

  1473.                 try {

  1474.                     fDescriptor->activate(handle);

  1475.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1476.             }

  1477.         }

  1478.     }

  1479. 

  1480.     void deactivate() noexcept override

  1481.     {

  1482.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1483. 

  1484.         if (fDescriptor->deactivate != nullptr)

  1485.         {

  1486.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1487.             {

  1488.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1489.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1490. 

  1491.                 try {

  1492.                     fDescriptor->deactivate(handle);

  1493.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1494.             }

  1495.         }

  1496.     }

  1497. 

  1498.     void process(const float** const audioIn, float** const audioOut,

  1499.                  const float** const cvIn, float** const,

  1500.                  const uint32_t frames) override

  1501.     {

  1502.         // --------------------------------------------------------------------------------------------------------

  1503.         // Check if active

  1504. 

  1505.         if (! pData->active)

  1506.         {

  1507.             // disable any output sound

  1508.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1509.                 carla_zeroFloats(audioOut[i], frames);

  1510.             return;

  1511.         }

  1512. 

  1513.         ulong midiEventCount = 0;

  1514.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1515. 

  1516.         // --------------------------------------------------------------------------------------------------------

  1517.         // Check if needs reset

  1518. 

  1519.         if (pData->needsReset)

  1520.         {

  1521.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1522.             {

  1523.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1524. 

  1525.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1526.                 {

  1527.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1528.                     fMidiEvents[i].data.control.channel = i;

  1529.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1530. 

  1531.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1532.                     fMidiEvents[k+i].data.control.channel = i;

  1533.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1534.                 }

  1535.             }

  1536.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1537.             {

  1538.                 midiEventCount = MAX_MIDI_NOTE;

  1539. 

  1540.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1541.                 {

  1542.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1543.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1544.                     fMidiEvents[i].data.note.note    = i;

  1545.                 }

  1546.             }

  1547. 

  1548.             pData->needsReset = false;

  1549.         }

  1550. 

  1551.         // --------------------------------------------------------------------------------------------------------

  1552.         // Event Input and Processing

  1553. 

  1554.         if (pData->event.portIn != nullptr)

  1555.         {

  1556.             // ----------------------------------------------------------------------------------------------------

  1557.             // MIDI Input (External)

  1558. 

  1559.             if (pData->extNotes.mutex.tryLock())

  1560.             {

  1561.                 ExternalMidiNote note = { 0, 0, 0 };

  1562. 

  1563.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1564.                 {

  1565.                     note = pData->extNotes.data.getFirst(note, true);

  1566.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1567. 

  1568.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1569. 

  1570.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1571.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1572.                     seqEvent.data.note.note     = note.note;

  1573.                     seqEvent.data.note.velocity = note.velo;

  1574.                 }

  1575. 

  1576.                 pData->extNotes.mutex.unlock();

  1577. 

  1578.             } // End of MIDI Input (External)

  1579. 

  1580.             // ----------------------------------------------------------------------------------------------------

  1581.             // CV Control Input

  1582. 

  1583.             for (uint32_t i=0, j=0; i < pData->param.count && i < 32; ++i)

  1584.             {

  1585.                 if (pData->param.data[i].type != PARAMETER_INPUT)

  1586.                     continue;

  1587. 

  1588.                 const uint32_t cvIndex = j++;

  1589.                 pData->event.portIn->mixWithCvBuffer(cvIn[cvIndex], frames, i);

  1590.             }

  1591. 

  1592.             // ----------------------------------------------------------------------------------------------------

  1593.             // Event Input (System)

  1594. 

  1595. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1596.             bool allNotesOffSent = false;

  1597. #endif

  1598.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1599. 

  1600.             uint32_t startTime  = 0;

  1601.             uint32_t timeOffset = 0;

  1602.             uint32_t nextBankId;

  1603. 

  1604.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1605.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1606.             else

  1607.                 nextBankId = 0;

  1608. 

  1609.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1610.             {

  1611.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1612. 

  1613.                 uint32_t eventTime = event.time;

  1614.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1615. 

  1616.                 if (eventTime < timeOffset)

  1617.                 {

  1618.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1619.                                   eventTime, timeOffset, pData->name);

  1620.                     eventTime = timeOffset;

  1621.                 }

  1622. 

  1623.                 if (isSampleAccurate && eventTime > timeOffset)

  1624.                 {

  1625.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1626.                     {

  1627.                         startTime  = 0;

  1628.                         timeOffset = eventTime;

  1629.                         midiEventCount = 0;

  1630. 

  1631.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1632.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1633.                         else

  1634.                             nextBankId = 0;

  1635.                     }

  1636.                     else

  1637.                         startTime += timeOffset;

  1638.                 }

  1639. 

  1640.                 switch (event.type)

  1641.                 {

  1642.                 case kEngineEventTypeNull:

  1643.                     break;

  1644. 

  1645.                 case kEngineEventTypeControl: {

  1646.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1647. 

  1648.                     switch (ctrlEvent.type)

  1649.                     {

  1650.                     case kEngineControlEventTypeNull:

  1651.                         break;

  1652. 

  1653.                     case kEngineControlEventTypeParameter: {

  1654.                         float value;

  1655. 

  1656. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1657.                         // via CV

  1658.                         if (event.channel == 0xFF)

  1659.                         {

  1660.                             const uint32_t k = ctrlEvent.param;

  1661.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1662. 

  1663.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1664.                             {

  1665.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1666.                             }

  1667.                             else

  1668.                             {

  1669.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1670.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1671.                                 else

  1672.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1673. 

  1674.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1675.                                     value = std::rint(value);

  1676.                             }

  1677. 

  1678.                             setParameterValueRT(k, value, true);

  1679.                             continue;

  1680.                         }

  1681. 

  1682.                         // Control backend stuff

  1683.                         if (event.channel == pData->ctrlChannel)

  1684.                         {

  1685.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1686.                             {

  1687.                                 value = ctrlEvent.value;

  1688.                                 setDryWetRT(value, true);

  1689.                             }

  1690. 

  1691.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1692.                             {

  1693.                                 value = ctrlEvent.value*127.0f/100.0f;

  1694.                                 setVolumeRT(value, true);

  1695.                             }

  1696. 

  1697.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1698.                             {

  1699.                                 float left, right;

  1700.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1701. 

  1702.                                 if (value < 0.0f)

  1703.                                 {

  1704.                                     left  = -1.0f;

  1705.                                     right = (value*2.0f)+1.0f;

  1706.                                 }

  1707.                                 else if (value > 0.0f)

  1708.                                 {

  1709.                                     left  = (value*2.0f)-1.0f;

  1710.                                     right = 1.0f;

  1711.                                 }

  1712.                                 else

  1713.                                 {

  1714.                                     left  = -1.0f;

  1715.                                     right = 1.0f;

  1716.                                 }

  1717. 

  1718.                                 setBalanceLeftRT(left, true);

  1719.                                 setBalanceRightRT(right, true);

  1720.                             }

  1721.                         }

  1722. #endif

  1723.                         // Control plugin parameters

  1724.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1725.                         {

  1726.                             if (pData->param.data[k].midiChannel != event.channel)

  1727.                                 continue;

  1728.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1729.                                 continue;

  1730.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1731.                                 continue;

  1732.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1733.                                 continue;

  1734. 

  1735.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1736.                             {

  1737.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1738.                             }

  1739.                             else

  1740.                             {

  1741.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1742.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1743.                                 else

  1744.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1745. 

  1746.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1747.                                     value = std::rint(value);

  1748.                             }

  1749. 

  1750.                             setParameterValueRT(k, value, true);

  1751.                         }

  1752. 

  1753.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1754.                         {

  1755.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1756.                                 continue;

  1757. 

  1758.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1759. 

  1760.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1761. 

  1762.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1763.                             seqEvent.data.control.channel = event.channel;

  1764.                             seqEvent.data.control.param   = ctrlEvent.param;

  1765.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1766.                         }

  1767. 

  1768.                         break;

  1769.                     } // case kEngineControlEventTypeParameter

  1770. 

  1771.                     case kEngineControlEventTypeMidiBank:

  1772.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1773.                             nextBankId = ctrlEvent.param;

  1774.                         break;

  1775. 

  1776.                     case kEngineControlEventTypeMidiProgram:

  1777.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1778.                         {

  1779.                             const uint32_t nextProgramId = ctrlEvent.param;

  1780. 

  1781.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1782.                             {

  1783.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1784.                                 {

  1785.                                     setMidiProgramRT(k, true);

  1786.                                     break;

  1787.                                 }

  1788.                             }

  1789.                         }

  1790.                         break;

  1791. 

  1792.                     case kEngineControlEventTypeAllSoundOff:

  1793.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1794.                         {

  1795.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1796.                                 continue;

  1797. 

  1798.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1799. 

  1800.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1801. 

  1802.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1803.                             seqEvent.data.control.channel = event.channel;

  1804.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1805.                         }

  1806.                         break;

  1807. 

  1808.                     case kEngineControlEventTypeAllNotesOff:

  1809.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1810.                         {

  1811. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1812.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1813.                             {

  1814.                                 allNotesOffSent = true;

  1815.                                 postponeRtAllNotesOff();

  1816.                             }

  1817. #endif

  1818. 

  1819.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1820.                                 continue;

  1821. 

  1822.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1823. 

  1824.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1825. 

  1826.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1827.                             seqEvent.data.control.channel = event.channel;

  1828.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1829.                         }

  1830.                         break;

  1831.                     } // switch (ctrlEvent.type)

  1832.                     break;

  1833.                 } // case kEngineEventTypeControl

  1834. 

  1835.                 case kEngineEventTypeMidi: {

  1836.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1837.                         continue;

  1838. 

  1839.                     const EngineMidiEvent& midiEvent(event.midi);

  1840. 

  1841.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1842.                         continue;

  1843. 

  1844.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1845. 

  1846.                     // Fix bad note-off (per DSSI spec)

  1847.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1848.                         status = MIDI_STATUS_NOTE_OFF;

  1849. 

  1850.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1851. 

  1852.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1853. 

  1854.                     switch (status)

  1855.                     {

  1856.                     case MIDI_STATUS_NOTE_OFF: {

  1857.                         const uint8_t note = midiEvent.data[1];

  1858. 

  1859.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1860.                         seqEvent.data.note.channel = event.channel;

  1861.                         seqEvent.data.note.note    = note;

  1862. 

  1863.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, true, event.channel, note, 0, 0.0f);

  1864.                         break;

  1865.                     }

  1866. 

  1867.                     case MIDI_STATUS_NOTE_ON: {

  1868.                         const uint8_t note = midiEvent.data[1];

  1869.                         const uint8_t velo = midiEvent.data[2];

  1870. 

  1871.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1872.                         seqEvent.data.note.channel  = event.channel;

  1873.                         seqEvent.data.note.note     = note;

  1874.                         seqEvent.data.note.velocity = velo;

  1875. 

  1876.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1877.                         break;

  1878.                     }

  1879. 

  1880.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1881.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1882.                         {

  1883.                             const uint8_t note     = midiEvent.data[1];

  1884.                             const uint8_t pressure = midiEvent.data[2];

  1885. 

  1886.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1887.                             seqEvent.data.note.channel  = event.channel;

  1888.                             seqEvent.data.note.note     = note;

  1889.                             seqEvent.data.note.velocity = pressure;

  1890.                         }

  1891.                         break;

  1892. 

  1893.                     case MIDI_STATUS_CONTROL_CHANGE:

  1894.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1895.                         {

  1896.                             const uint8_t control = midiEvent.data[1];

  1897.                             const uint8_t value   = midiEvent.data[2];

  1898. 

  1899.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1900.                             seqEvent.data.control.channel = event.channel;

  1901.                             seqEvent.data.control.param   = control;

  1902.                             seqEvent.data.control.value   = value;

  1903.                         }

  1904.                         break;

  1905. 

  1906.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1907.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1908.                         {

  1909.                             const uint8_t pressure = midiEvent.data[1];

  1910. 

  1911.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1912.                             seqEvent.data.control.channel = event.channel;

  1913.                             seqEvent.data.control.value   = pressure;

  1914.                         }

  1915.                         break;

  1916. 

  1917.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1918.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1919.                         {

  1920.                             const uint8_t lsb = midiEvent.data[1];

  1921.                             const uint8_t msb = midiEvent.data[2];

  1922. 

  1923.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1924.                             seqEvent.data.control.channel = event.channel;

  1925.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1926.                         }

  1927.                         break;

  1928. 

  1929.                     default:

  1930.                         --midiEventCount;

  1931.                         break;

  1932.                     } // switch (status)

  1933.                 } break;

  1934.                 } // switch (event.type)

  1935.             }

  1936. 

  1937.             pData->postRtEvents.trySplice();

  1938. 

  1939.             if (frames > timeOffset)

  1940.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1941. 

  1942.         } // End of Event Input and Processing

  1943. 

  1944.         // --------------------------------------------------------------------------------------------------------

  1945.         // Plugin processing (no events)

  1946. 

  1947.         else

  1948.         {

  1949.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1950. 

  1951.         } // End of Plugin processing (no events)

  1952. 

  1953.         // --------------------------------------------------------------------------------------------------------

  1954.         // Control Output

  1955. 

  1956.         if (pData->event.portOut != nullptr)

  1957.         {

  1958.             uint8_t  channel;

  1959.             uint16_t param;

  1960.             float    value;

  1961. 

  1962.             for (uint32_t k=0; k < pData->param.count; ++k)

  1963.             {

  1964.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1965.                     continue;

  1966. 

  1967.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1968. 

  1969.                 if (pData->param.data[k].midiCC > 0)

  1970.                 {

  1971.                     channel = pData->param.data[k].midiChannel;

  1972.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1973.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1974.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1975.                 }

  1976.             }

  1977.         } // End of Control Output

  1978.     }

  1979. 

  1980.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1981.                        const uint32_t timeOffset, const ulong midiEventCount)

  1982.     {

  1983.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1984. 

  1985.         if (pData->audioIn.count > 0)

  1986.         {

  1987.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1988.         }

  1989.         if (pData->audioOut.count > 0)

  1990.         {

  1991.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1992.         }

  1993. 

  1994.         // --------------------------------------------------------------------------------------------------------

  1995.         // Try lock, silence otherwise

  1996. 

  1997. #ifndef STOAT_TEST_BUILD

  1998.         if (pData->engine->isOffline())

  1999.         {

  2000.             pData->singleMutex.lock();

  2001.         }

  2002.         else

  2003. #endif

  2004.         if (! pData->singleMutex.tryLock())

  2005.         {

  2006.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2007.             {

  2008.                 for (uint32_t k=0; k < frames; ++k)

  2009.                     audioOut[i][k+timeOffset] = 0.0f;

  2010.             }

  2011. 

  2012.             return false;

  2013.         }

  2014. 

  2015.         // --------------------------------------------------------------------------------------------------------

  2016.         // Set audio buffers

  2017. 

  2018.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  2019.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  2020. 

  2021.         if (! customMonoOut)

  2022.         {

  2023.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2024.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  2025.         }

  2026. 

  2027.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2028.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2029. 

  2030.         // --------------------------------------------------------------------------------------------------------

  2031.         // Run plugin

  2032. 

  2033.         uint instn = 0;

  2034.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2035.         {

  2036.             LADSPA_Handle const handle(it.getValue(nullptr));

  2037.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2038. 

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

  2040.             // Mixdown for forced stereo

  2041. 

  2042.             if (customMonoOut)

  2043.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2044. 

  2045.             // ----------------------------------------------------------------------------------------------------

  2046.             // Run it

  2047. 

  2048.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2049.             {

  2050.                 try {

  2051.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2052.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2053.             }

  2054.             else

  2055.             {

  2056.                 try {

  2057.                     fDescriptor->run(handle, frames);

  2058.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2059.             }

  2060. 

  2061.             // ----------------------------------------------------------------------------------------------------

  2062.             // Mixdown for forced stereo

  2063. 

  2064.             if (customMonoOut)

  2065.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2066.             else if (customStereoOut)

  2067.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2068.         }

  2069. 

  2070.         if (customStereoOut)

  2071.         {

  2072.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2073.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2074.         }

  2075. 

  2076. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2077.         // --------------------------------------------------------------------------------------------------------

  2078.         // Post-processing (dry/wet, volume and balance)

  2079. 

  2080.         {

  2081.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2082.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2083.             const bool isMono    = (pData->audioIn.count == 1);

  2084. 

  2085.             bool isPair;

  2086.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  2087. 

  2088.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2089.             {

  2090.                 // Dry/Wet

  2091.                 if (doDryWet)

  2092.                 {

  2093.                     const uint32_t c = isMono ? 0 : i;

  2094. 

  2095.                     for (uint32_t k=0; k < frames; ++k)

  2096.                     {

  2097. # ifndef BUILD_BRIDGE

  2098.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2099.                             bufValue = pData->latency.buffers[c][k];

  2100.                         else if (pData->latency.frames < frames)

  2101.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2102.                         else

  2103. # endif

  2104.                             bufValue = fAudioInBuffers[c][k];

  2105. 

  2106.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2107.                     }

  2108.                 }

  2109. 

  2110.                 // Balance

  2111.                 if (doBalance)

  2112.                 {

  2113.                     isPair = (i % 2 == 0);

  2114. 

  2115.                     if (isPair)

  2116.                     {

  2117.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2118.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2119.                     }

  2120. 

  2121.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2122.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2123. 

  2124.                     for (uint32_t k=0; k < frames; ++k)

  2125.                     {

  2126.                         if (isPair)

  2127.                         {

  2128.                             // left

  2129.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2130.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2131.                         }

  2132.                         else

  2133.                         {

  2134.                             // right

  2135.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2136.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2137.                         }

  2138.                     }

  2139.                 }

  2140. 

  2141.                 // Volume (and buffer copy)

  2142.                 {

  2143.                     for (uint32_t k=0; k < frames; ++k)

  2144.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2145.                 }

  2146.             }

  2147. 

  2148.         } // End of Post-processing

  2149. 

  2150. # ifndef BUILD_BRIDGE

  2151.         // --------------------------------------------------------------------------------------------------------

  2152.         // Save latency values for next callback

  2153. 

  2154.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2155.         {

  2156.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2157.             const uint32_t latframes = pData->latency.frames;

  2158. 

  2159.             if (latframes <= frames)

  2160.             {

  2161.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2162.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2163.             }

  2164.             else

  2165.             {

  2166.                 const uint32_t diff = latframes - frames;

  2167. 

  2168.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2169.                 {

  2170.                     // push back buffer by 'frames'

  2171.                     for (k=0; k < diff; ++k)

  2172.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2173. 

  2174.                     // put current input at the end

  2175.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2176.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2177.                 }

  2178.             }

  2179.         }

  2180. # endif

  2181. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2182.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2183.         {

  2184.             for (uint32_t k=0; k < frames; ++k)

  2185.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2186.         }

  2187. #endif

  2188. 

  2189.         // --------------------------------------------------------------------------------------------------------

  2190. 

  2191.         pData->singleMutex.unlock();

  2192.         return true;

  2193.     }

  2194. 

  2195.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2196.     {

  2197.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2198.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2199. 

  2200.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2201.         {

  2202.             if (fAudioInBuffers[i] != nullptr)

  2203.                 delete[] fAudioInBuffers[i];

  2204. 

  2205.             fAudioInBuffers[i] = new float[newBufferSize];

  2206.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2207.         }

  2208. 

  2209.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2210.         {

  2211.             if (fAudioOutBuffers[i] != nullptr)

  2212.                 delete[] fAudioOutBuffers[i];

  2213. 

  2214.             fAudioOutBuffers[i] = new float[newBufferSize];

  2215.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2216.         }

  2217. 

  2218.         if (fExtraStereoBuffer[0] != nullptr)

  2219.         {

  2220.             delete[] fExtraStereoBuffer[0];

  2221.             fExtraStereoBuffer[0] = nullptr;

  2222.         }

  2223. 

  2224.         if (fExtraStereoBuffer[1] != nullptr)

  2225.         {

  2226.             delete[] fExtraStereoBuffer[1];

  2227.             fExtraStereoBuffer[1] = nullptr;

  2228.         }

  2229. 

  2230.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2231.         {

  2232.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2233.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2234.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2235.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2236.         }

  2237. 

  2238.         reconnectAudioPorts();

  2239. 

  2240.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2241.     }

  2242. 

  2243.     void sampleRateChanged(const double newSampleRate) override

  2244.     {

  2245.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2246.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2247. 

  2248.         // TODO - handle UI stuff

  2249. 

  2250.         if (pData->active)

  2251.             deactivate();

  2252. 

  2253.         const std::size_t instanceCount(fHandles.count());

  2254. 

  2255.         if (fDescriptor->cleanup != nullptr)

  2256.         {

  2257.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2258.             {

  2259.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2260.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2261. 

  2262.                 try {

  2263.                     fDescriptor->cleanup(handle);

  2264.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2265.             }

  2266.         }

  2267. 

  2268.         fHandles.clear();

  2269. 

  2270.         for (std::size_t i=0; i<instanceCount; ++i)

  2271.             addInstance();

  2272. 

  2273.         reconnectAudioPorts();

  2274. 

  2275.         if (pData->active)

  2276.             activate();

  2277. 

  2278.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2279.     }

  2280. 

  2281.     void reconnectAudioPorts() const noexcept

  2282.     {

  2283.         if (fForcedStereoIn)

  2284.         {

  2285.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2286.             {

  2287.                 try {

  2288.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2289.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2290.             }

  2291. 

  2292.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2293.             {

  2294.                 try {

  2295.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2296.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2297.             }

  2298.         }

  2299.         else

  2300.         {

  2301.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2302.             {

  2303.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2304.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2305. 

  2306.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2307.                 {

  2308.                     try {

  2309.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2310.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2311.                 }

  2312.             }

  2313.         }

  2314. 

  2315.         if (fForcedStereoOut)

  2316.         {

  2317.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2318.             {

  2319.                 try {

  2320.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2321.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2322.             }

  2323. 

  2324.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2325.             {

  2326.                 try {

  2327.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2328.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2329.             }

  2330.         }

  2331.         else

  2332.         {

  2333.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2334.             {

  2335.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2336.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2337. 

  2338.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2339.                 {

  2340.                     try {

  2341.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2342.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2343.                 }

  2344.             }

  2345.         }

  2346.     }

  2347. 

  2348.     // -------------------------------------------------------------------

  2349.     // Plugin buffers

  2350. 

  2351.     void clearBuffers() noexcept override

  2352.     {

  2353.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2354. 

  2355.         if (fAudioInBuffers != nullptr)

  2356.         {

  2357.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2358.             {

  2359.                 if (fAudioInBuffers[i] != nullptr)

  2360.                 {

  2361.                     delete[] fAudioInBuffers[i];

  2362.                     fAudioInBuffers[i] = nullptr;

  2363.                 }

  2364.             }

  2365. 

  2366.             delete[] fAudioInBuffers;

  2367.             fAudioInBuffers = nullptr;

  2368.         }

  2369. 

  2370.         if (fAudioOutBuffers != nullptr)

  2371.         {

  2372.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2373.             {

  2374.                 if (fAudioOutBuffers[i] != nullptr)

  2375.                 {

  2376.                     delete[] fAudioOutBuffers[i];

  2377.                     fAudioOutBuffers[i] = nullptr;

  2378.                 }

  2379.             }

  2380. 

  2381.             delete[] fAudioOutBuffers;

  2382.             fAudioOutBuffers = nullptr;

  2383.         }

  2384. 

  2385.         if (fExtraStereoBuffer[0] != nullptr)

  2386.         {

  2387.             delete[] fExtraStereoBuffer[0];

  2388.             fExtraStereoBuffer[0] = nullptr;

  2389.         }

  2390. 

  2391.         if (fExtraStereoBuffer[1] != nullptr)

  2392.         {

  2393.             delete[] fExtraStereoBuffer[1];

  2394.             fExtraStereoBuffer[1] = nullptr;

  2395.         }

  2396. 

  2397.         if (fParamBuffers != nullptr)

  2398.         {

  2399.             delete[] fParamBuffers;

  2400.             fParamBuffers = nullptr;

  2401.         }

  2402. 

  2403.         CarlaPlugin::clearBuffers();

  2404. 

  2405.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2406.     }

  2407. 

  2408. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2409.     // -------------------------------------------------------------------

  2410.     // OSC stuff

  2411. 

  2412.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2413.     {

  2414.         const lo_address source(lo_message_get_source(msg));

  2415.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2416. 

  2417.         // protocol for DSSI UIs *must* be UDP

  2418.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2419. 

  2420.         if (fOscData.source == nullptr)

  2421.         {

  2422.             // if no UI is registered yet only "configure" and "update" messages are valid

  2423.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2424.         }

  2425.         else

  2426.         {

  2427.             // make sure message source is the DSSI UI

  2428.             const char* const msghost = lo_address_get_hostname(source);

  2429.             const char* const msgport = lo_address_get_port(source);

  2430. 

  2431.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2432.             const char* const ourport = lo_address_get_port(fOscData.source);

  2433. 

  2434.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2435.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2436.         }

  2437. 

  2438.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2439. 

  2440.         if (std::strcmp(method, "configure") == 0)

  2441.             return handleOscMessageConfigure(argc, argv, types);

  2442.         if (std::strcmp(method, "control") == 0)

  2443.             return handleOscMessageControl(argc, argv, types);

  2444.         if (std::strcmp(method, "program") == 0)

  2445.             return handleOscMessageProgram(argc, argv, types);

  2446.         if (std::strcmp(method, "midi") == 0)

  2447.             return handleOscMessageMIDI(argc, argv, types);

  2448.         if (std::strcmp(method, "update") == 0)

  2449.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2450.         if (std::strcmp(method, "exiting") == 0)

  2451.             return handleOscMessageExiting();

  2452. 

  2453.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2454.     }

  2455. 

  2456.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2457.     {

  2458.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2459.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2460. 

  2461.         const char* const key   = (const char*)&argv[0]->s;

  2462.         const char* const value = (const char*)&argv[1]->s;

  2463. 

  2464.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2465.     }

  2466. 

  2467.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2468.     {

  2469.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2470.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2471. 

  2472.         const int32_t rindex = argv[0]->i;

  2473.         const float   value  = argv[1]->f;

  2474. 

  2475.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2476.     }

  2477. 

  2478.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2479.     {

  2480.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2481.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2482. 

  2483.         const int32_t bank    = argv[0]->i;

  2484.         const int32_t program = argv[1]->i;

  2485. 

  2486.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2487.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2488. 

  2489.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2490.     }

  2491. 

  2492.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2493.     {

  2494.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2495.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2496. 

  2497.         if (getMidiInCount() == 0)

  2498.         {

  2499.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2500.             return;

  2501.         }

  2502. 

  2503.         const uint8_t* const data = argv[0]->m;

  2504.         uint8_t status  = data[1];

  2505.         uint8_t channel = status & 0x0F;

  2506. 

  2507.         // Fix bad note-off

  2508.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2509.             status = MIDI_STATUS_NOTE_OFF;

  2510. 

  2511.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2512.         {

  2513.             const uint8_t note = data[2];

  2514. 

  2515.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2516. 

  2517.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2518.         }

  2519.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2520.         {

  2521.             const uint8_t note = data[2];

  2522.             const uint8_t velo = data[3];

  2523. 

  2524.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2525.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2526. 

  2527.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2528.         }

  2529.     }

  2530. 

  2531.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2532.     {

  2533.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2534.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2535. 

  2536.         const char* const url = (const char*)&argv[0]->s;

  2537. 

  2538.         // FIXME - remove debug prints later

  2539.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2540. 

  2541.         fOscData.clear();

  2542. 

  2543.         const int proto = lo_address_get_protocol(source);

  2544. 

  2545.         {

  2546.             const char* host = lo_address_get_hostname(source);

  2547.             const char* port = lo_address_get_port(source);

  2548.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2549. 

  2550.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2551.         }

  2552. 

  2553.         {

  2554.             char* host = lo_url_get_hostname(url);

  2555.             char* port = lo_url_get_port(url);

  2556.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2557.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2558.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2559. 

  2560.             std::free(host);

  2561.             std::free(port);

  2562.         }

  2563. 

  2564.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2565. 

  2566.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2567.         {

  2568.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2569.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2570. 

  2571.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2572.                 osc_send_configure(fOscData, customData.key, customData.value);

  2573.         }

  2574. 

  2575.         if (pData->prog.current >= 0)

  2576.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2577. 

  2578.         if (pData->midiprog.current >= 0)

  2579.         {

  2580.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2581.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2582.         }

  2583. 

  2584.         for (uint32_t i=0; i < pData->param.count; ++i)

  2585.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2586. 

  2587. #ifndef BUILD_BRIDGE

  2588.         if (pData->engine->getOptions().frontendWinId != 0)

  2589.             pData->transientTryCounter = 1;

  2590. #endif

  2591. 

  2592.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2593.     }

  2594. 

  2595.     void handleOscMessageExiting()

  2596.     {

  2597.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2598. 

  2599.         // hide UI

  2600.         showCustomUI(false);

  2601. 

  2602.         // tell frontend

  2603.         pData->engine->callback(true, true,

  2604.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2605.                                 pData->id,

  2606.                                 0,

  2607.                                 0, 0, 0.0f, nullptr);

  2608.     }

  2609. 

  2610.     // -------------------------------------------------------------------

  2611.     // Post-poned UI Stuff

  2612. 

  2613.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2614.     {

  2615.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2616. 

  2617.         if (fOscData.target == nullptr)

  2618.             return;

  2619. 

  2620.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2621.     }

  2622. 

  2623.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2624.     {

  2625.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2626. 

  2627.         if (fOscData.target == nullptr)

  2628.             return;

  2629. 

  2630.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2631.     }

  2632. 

  2633.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2634.     {

  2635.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2636.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2637.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2638. 

  2639.         if (fOscData.target == nullptr)

  2640.             return;

  2641. 

  2642. #if 0

  2643.         uint8_t midiData[4];

  2644.         midiData[0] = 0;

  2645.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2646.         midiData[2] = note;

  2647.         midiData[3] = velo;

  2648. 

  2649.         osc_send_midi(fOscData, midiData);

  2650. #endif

  2651.     }

  2652. 

  2653.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2654.     {

  2655.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2656.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2657. 

  2658.         if (fOscData.target == nullptr)

  2659.             return;

  2660. 

  2661. #if 0

  2662.         uint8_t midiData[4];

  2663.         midiData[0] = 0;

  2664.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2665.         midiData[2] = note;

  2666.         midiData[3] = 0;

  2667. 

  2668.         osc_send_midi(fOscData, midiData);

  2669. #endif

  2670.     }

  2671. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2672. 

  2673.     // -------------------------------------------------------------------

  2674. 

  2675.     const void* getNativeDescriptor() const noexcept override

  2676.     {

  2677.         return fDssiDescriptor != nullptr

  2678.                ? (const void*)fDssiDescriptor

  2679.                : (const void*)fDescriptor;

  2680.     }

  2681. 

  2682.     const void* getExtraStuff() const noexcept override

  2683.     {

  2684.         if (fDssiDescriptor != nullptr)

  2685.         {

  2686. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2687.             return fUiFilename;

  2688. #else

  2689.             return nullptr;

  2690. #endif

  2691.         }

  2692.         return fRdfDescriptor;

  2693.     }

  2694. 

  2695. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2696.     uintptr_t getUiBridgeProcessId() const noexcept override

  2697.     {

  2698.         return fThreadUI.getProcessId();

  2699.     }

  2700. #endif

  2701. 

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

  2703. 

  2704.     bool initLADSPA(const char* const filename, const char* name, const char* const label, const uint options,

  2705.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2706.     {

  2707.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2708. 

  2709.         // ---------------------------------------------------------------

  2710.         // first checks

  2711. 

  2712.         if (pData->client != nullptr)

  2713.         {

  2714.             pData->engine->setLastError("Plugin client is already registered");

  2715.             return false;

  2716.         }

  2717. 

  2718.         if (filename == nullptr || filename[0] == '\0')

  2719.         {

  2720.             pData->engine->setLastError("null filename");

  2721.             return false;

  2722.         }

  2723. 

  2724.         // ---------------------------------------------------------------

  2725.         // open DLL

  2726. 

  2727.         if (! pData->libOpen(filename))

  2728.         {

  2729.             pData->engine->setLastError(pData->libError(filename));

  2730.             return false;

  2731.         }

  2732. 

  2733.         // ---------------------------------------------------------------

  2734.         // get DLL main entry

  2735. 

  2736.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2737. 

  2738.         if (descFn == nullptr)

  2739.         {

  2740.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2741.             return false;

  2742.         }

  2743. 

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

  2745.         // get descriptor that matches label

  2746. 

  2747.         // if label is null, get first valid plugin

  2748.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2749. 

  2750.         for (ulong d=0;; ++d)

  2751.         {

  2752.             try {

  2753.                 fDescriptor = descFn(d);

  2754.             }

  2755.             catch(...) {

  2756.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2757.                 fDescriptor = nullptr;

  2758.                 break;

  2759.             }

  2760. 

  2761.             if (fDescriptor == nullptr)

  2762.                 break;

  2763. 

  2764.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2765.             {

  2766.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2767.                 fDescriptor = nullptr;

  2768.                 break;

  2769.             }

  2770.             if (fDescriptor->run == nullptr)

  2771.             {

  2772.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2773.                 fDescriptor = nullptr;

  2774.                 break;

  2775.             }

  2776. 

  2777.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2778.                 break;

  2779.         }

  2780. 

  2781.         if (fDescriptor == nullptr)

  2782.         {

  2783.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2784.             return false;

  2785.         }

  2786. 

  2787.         return init2(filename, name, options, rdfDescriptor);

  2788.     }

  2789. 

  2790.     bool initDSSI(const char* const filename, const char* name, const char* const label, const uint options)

  2791.     {

  2792.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2793. 

  2794.         // ---------------------------------------------------------------

  2795.         // first checks

  2796. 

  2797.         if (pData->client != nullptr)

  2798.         {

  2799.             pData->engine->setLastError("Plugin client is already registered");

  2800.             return false;

  2801.         }

  2802. 

  2803.         if (filename == nullptr || filename[0] == '\0')

  2804.         {

  2805.             pData->engine->setLastError("null filename");

  2806.             return false;

  2807.         }

  2808. 

  2809.         // ---------------------------------------------------------------

  2810.         // open DLL

  2811. 

  2812.         if (! pData->libOpen(filename))

  2813.         {

  2814.             pData->engine->setLastError(pData->libError(filename));

  2815.             return false;

  2816.         }

  2817. 

  2818.         // ---------------------------------------------------------------

  2819.         // get DLL main entry

  2820. 

  2821.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2822. 

  2823.         if (descFn == nullptr)

  2824.         {

  2825.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2826.             return false;

  2827.         }

  2828. 

  2829.         // ---------------------------------------------------------------

  2830.         // get descriptor that matches label

  2831. 

  2832.         // if label is null, get first valid plugin

  2833.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2834. 

  2835.         for (ulong d=0;; ++d)

  2836.         {

  2837.             try {

  2838.                 fDssiDescriptor = descFn(d);

  2839.             }

  2840.             catch(...) {

  2841.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2842.                 fDescriptor     = nullptr;

  2843.                 fDssiDescriptor = nullptr;

  2844.                 break;

  2845.             }

  2846. 

  2847.             if (fDssiDescriptor == nullptr)

  2848.                 break;

  2849. 

  2850.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2851. 

  2852.             if (fDescriptor == nullptr)

  2853.             {

  2854.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2855.                 fDssiDescriptor = nullptr;

  2856.                 break;

  2857.             }

  2858.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2859.             {

  2860.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2861.                 fDescriptor     = nullptr;

  2862.                 fDssiDescriptor = nullptr;

  2863.                 break;

  2864.             }

  2865.             if (fDescriptor->run == nullptr)

  2866.             {

  2867.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2868.                 fDescriptor     = nullptr;

  2869.                 fDssiDescriptor = nullptr;

  2870.                 break;

  2871.             }

  2872. 

  2873.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2874.                 break;

  2875.         }

  2876. 

  2877.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2878.         {

  2879.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2880.             return false;

  2881.         }

  2882. 

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

  2884.         // check if uses global instance

  2885. 

  2886.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2887.         {

  2888.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2889.             return false;

  2890.         }

  2891. 

  2892.         return init2(filename, name, options, nullptr);

  2893.     }

  2894. 

  2895.     bool init2(const char* const filename, const char* name, const uint options,

  2896.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2897.     {

  2898.         // ---------------------------------------------------------------

  2899.         // check for fixed buffer size requirement

  2900. 

  2901.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2902. 

  2903.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2904.         {

  2905.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2906.                                         "The plugin requires a fixed block size which is not possible right now.");

  2907.             return false;

  2908.         }

  2909. 

  2910.         // ---------------------------------------------------------------

  2911.         // get info

  2912. 

  2913.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2914.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2915. 

  2916.         if (name == nullptr || name[0] == '\0')

  2917.         {

  2918.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2919.                 name = fRdfDescriptor->Title;

  2920.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2921.                 name = fDescriptor->Name;

  2922.             else

  2923.                 name = fDescriptor->Label;

  2924.         }

  2925. 

  2926.         pData->name = pData->engine->getUniquePluginName(name);

  2927.         pData->filename = carla_strdup(filename);

  2928. 

  2929.         // ---------------------------------------------------------------

  2930.         // register client

  2931. 

  2932.         pData->client = pData->engine->addClient(this);

  2933. 

  2934.         if (pData->client == nullptr || ! pData->client->isOk())

  2935.         {

  2936.             pData->engine->setLastError("Failed to register plugin client");

  2937.             return false;

  2938.         }

  2939. 

  2940.         // ---------------------------------------------------------------

  2941.         // initialize plugin

  2942. 

  2943.         if (! addInstance())

  2944.             return false;

  2945. 

  2946.         // ---------------------------------------------------------------

  2947.         // find latency port index

  2948. 

  2949.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2950.         {

  2951.             const int portType(fDescriptor->PortDescriptors[i]);

  2952. 

  2953.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2954.                 continue;

  2955. 

  2956.             const uint32_t index(iCtrl++);

  2957. 

  2958.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2959.                 continue;

  2960. 

  2961.             const char* const portName(fDescriptor->PortNames[i]);

  2962.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2963. 

  2964.             if (std::strcmp(portName, "latency")  == 0 ||

  2965.                 std::strcmp(portName, "_latency") == 0)

  2966.             {

  2967.                 fLatencyIndex = static_cast<int32_t>(index);

  2968.                 break;

  2969.             }

  2970.         }

  2971. 

  2972.         // ---------------------------------------------------------------

  2973.         // check for custom data extension

  2974. 

  2975.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2976.         {

  2977.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2978.             {

  2979.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2980.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2981.                     fUsesCustomData = true;

  2982. 

  2983.                 std::free(error);

  2984.             }

  2985.         }

  2986. 

  2987.         // ---------------------------------------------------------------

  2988.         // get engine options

  2989. 

  2990.         const EngineOptions& opts(pData->engine->getOptions());

  2991. 

  2992. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2993.         // ---------------------------------------------------------------

  2994.         // check for gui

  2995. 

  2996.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2997.         {

  2998.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2999.             {

  3000.                 fUiFilename = guiFilename;

  3001.                 fThreadUI.setData(guiFilename, fDescriptor->Label);

  3002.             }

  3003.         }

  3004. #endif

  3005. 

  3006.         // ---------------------------------------------------------------

  3007.         // set options

  3008. 

  3009.         pData->options = 0x0;

  3010. 

  3011.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3012.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3013.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3014.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3015. 

  3016.         /**/ if (opts.forceStereo)

  3017.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3018.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3019.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3020. 

  3021.         if (fDssiDescriptor != nullptr)

  3022.         {

  3023.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3024.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3025.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3026. 

  3027.             if (fUsesCustomData)

  3028.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3029.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3030. 

  3031.             if (fDssiDescriptor->run_synth != nullptr)

  3032.             {

  3033.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3034.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3035.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3036.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3037.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3038.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3039.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3040.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3041.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3042.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3043.             }

  3044.         }

  3045. 

  3046.         return true;

  3047.     }

  3048. 

  3049.     // -------------------------------------------------------------------

  3050. 

  3051. private:

  3052.     LinkedList<LADSPA_Handle>    fHandles;

  3053.     const LADSPA_Descriptor*     fDescriptor;

  3054.     const DSSI_Descriptor*       fDssiDescriptor;

  3055.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3056. 

  3057.     float** fAudioInBuffers;

  3058.     float** fAudioOutBuffers;

  3059.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3060.     float*  fParamBuffers;

  3061. 

  3062.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3063. 

  3064.     int32_t fLatencyIndex; // -1 if invalid

  3065.     bool    fForcedStereoIn;

  3066.     bool    fForcedStereoOut;

  3067.     bool    fNeedsFixedBuffers;

  3068.     bool    fUsesCustomData;

  3069. 

  3070. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  3071.     CarlaOscData      fOscData;

  3072.     CarlaThreadDSSIUI fThreadUI;

  3073.     const char*       fUiFilename;

  3074. #endif

  3075. 

  3076.     // -------------------------------------------------------------------

  3077. 

  3078.     bool addInstance()

  3079.     {

  3080.         LADSPA_Handle handle;

  3081. 

  3082.         try {

  3083.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3084.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3085. 

  3086.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3087.         {

  3088.             const int32_t rindex(pData->param.data[i].rindex);

  3089.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3090. 

  3091.             try {

  3092.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3093.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3094.         }

  3095. 

  3096.         if (fHandles.append(handle))

  3097.             return true;

  3098. 

  3099.         try {

  3100.             fDescriptor->cleanup(handle);

  3101.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3102. 

  3103.         pData->engine->setLastError("Out of memory");

  3104.         return false;

  3105.     }

  3106. 

  3107.     uint32_t getSafePortCount() const noexcept

  3108.     {

  3109.         if (fDescriptor->PortCount == 0)

  3110.             return 0;

  3111. 

  3112.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3113.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3114.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3115. 

  3116.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3117.     }

  3118. 

  3119.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3120.     {

  3121.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3122.             return true;

  3123.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3124.             return true;

  3125.         return false;

  3126.     }

  3127. 

  3128.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3129.                                                      const bool wantName, const bool useBracket) noexcept

  3130.     {

  3131.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  3132. 

  3133.         if (sepBracketStart == nullptr)

  3134.             return false;

  3135. 

  3136.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  3137. 

  3138.         if (sepBracketEnd == nullptr)

  3139.             return false;

  3140. 

  3141.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  3142. 

  3143.         if (unitSize > 7) // very unlikely to have such big unit

  3144.             return false;

  3145. 

  3146.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  3147. 

  3148.         // just in case

  3149.         if (sepIndex+2 >= STR_MAX)

  3150.             return false;

  3151. 

  3152.         if (wantName)

  3153.         {

  3154.             std::strncpy(strBuf, paramName, sepIndex);

  3155.             strBuf[sepIndex] = '\0';

  3156.         }

  3157.         else

  3158.         {

  3159.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3160.             strBuf[unitSize] = '\0';

  3161.         }

  3162. 

  3163.         return true;

  3164.     }

  3165. 

  3166.     // -------------------------------------------------------------------

  3167. 

  3168.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3169. };

  3170. 

  3171. // -------------------------------------------------------------------------------------------------------------------

  3172. 

  3173. CarlaPlugin* CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3174. {

  3175.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3176.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3177. 

  3178.     CarlaPluginLADSPADSSI* const plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3179. 

  3180.     if (! plugin->initLADSPA(init.filename, init.name, init.label, init.options, rdfDescriptor))

  3181.     {

  3182.         delete plugin;

  3183.         return nullptr;

  3184.     }

  3185. 

  3186.     return plugin;

  3187. }

  3188. 

  3189. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  3190. {

  3191.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3192.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3193. 

  3194.     CarlaPluginLADSPADSSI* const plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3195. 

  3196.     if (! plugin->initDSSI(init.filename, init.name, init.label, init.options))

  3197.     {

  3198.         delete plugin;

  3199.         return nullptr;

  3200.     }

  3201. 

  3202.     return plugin;

  3203. }

  3204. 

  3205. // -------------------------------------------------------------------------------------------------------------------

  3206. 

  3207. CARLA_BACKEND_END_NAMESPACE