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

  1125.                     needsCtrlIn = true;

  1126. 

  1127.                     // MIDI CC value

  1128.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1129.                     {

  1130.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1131.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1132.                         {

  1133.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1134.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1135.                                 pData->param.data[j].mappedControlIndex = cc;

  1136.                         }

  1137.                     }

  1138.                 }

  1139.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1140.                 {

  1141.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1142. 

  1143.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1144.                     {

  1145.                         min = 0.0f;

  1146.                         max = sampleRate;

  1147.                         def = 0.0f;

  1148.                         step = 1.0f;

  1149.                         stepSmall = 1.0f;

  1150.                         stepLarge = 1.0f;

  1151.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1152.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1153.                     }

  1154.                     else

  1155.                     {

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

  1157.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1158.                         needsCtrlOut = true;

  1159.                     }

  1160.                 }

  1161.                 else

  1162.                 {

  1163.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1164.                 }

  1165. 

  1166.                 // extra parameter hints

  1167.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1168.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1169. 

  1170.                 // check for scalepoints, require at least 2 to make it useful

  1171.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1172.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1173. 

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

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

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

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

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

  1179.                 pData->param.ranges[j].stepLarge = stepLarge;

  1180. 

  1181.                 // Start parameters in their default values

  1182.                 fParamBuffers[j] = def;

  1183. 

  1184.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1185.                 {

  1186.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1187.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1188. 

  1189.                     try {

  1190.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1191.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1192.                 }

  1193.             }

  1194.             else

  1195.             {

  1196.                 // Not Audio or Control

  1197.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1198. 

  1199.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1200.                 {

  1201.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1202.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1203. 

  1204.                     try {

  1205.                         fDescriptor->connect_port(handle, i, nullptr);

  1206.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1207.                 }

  1208.             }

  1209.         }

  1210. 

  1211.         if (needsCtrlIn)

  1212.         {

  1213.             portName.clear();

  1214. 

  1215.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1216.             {

  1217.                 portName  = pData->name;

  1218.                 portName += ":";

  1219.             }

  1220. 

  1221.             portName += "events-in";

  1222.             portName.truncate(portNameSize);

  1223. 

  1224.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1225. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1226.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1227. #endif

  1228.         }

  1229. 

  1230.         if (needsCtrlOut)

  1231.         {

  1232.             portName.clear();

  1233. 

  1234.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1235.             {

  1236.                 portName  = pData->name;

  1237.                 portName += ":";

  1238.             }

  1239. 

  1240.             portName += "events-out";

  1241.             portName.truncate(portNameSize);

  1242. 

  1243.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1244.         }

  1245. 

  1246.         if (forcedStereoIn || forcedStereoOut)

  1247.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1248.         else

  1249.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1250. 

  1251.         // plugin hints

  1252.         pData->hints = 0x0;

  1253. 

  1254.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1255.             pData->hints |= PLUGIN_IS_RTSAFE;

  1256. 

  1257. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1258.         if (fUiFilename != nullptr)

  1259.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1260. #endif

  1261. 

  1262. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1263.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1264.             pData->hints |= PLUGIN_CAN_DRYWET;

  1265. 

  1266.         if (aOuts > 0)

  1267.             pData->hints |= PLUGIN_CAN_VOLUME;

  1268. 

  1269.         if (aOuts >= 2 && aOuts % 2 == 0)

  1270.             pData->hints |= PLUGIN_CAN_BALANCE;

  1271. #endif

  1272. 

  1273.         // extra plugin hints

  1274.         pData->extraHints = 0x0;

  1275. 

  1276.         if (mIns > 0)

  1277.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1278. 

  1279.         // check initial latency

  1280.         findInitialLatencyValue(aIns, aOuts);

  1281. 

  1282.         fForcedStereoIn  = forcedStereoIn;

  1283.         fForcedStereoOut = forcedStereoOut;

  1284. 

  1285.         bufferSizeChanged(pData->engine->getBufferSize());

  1286.         reloadPrograms(true);

  1287. 

  1288.         if (pData->active)

  1289.             activate();

  1290. 

  1291.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1292.     }

  1293. 

  1294.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1295.     {

  1296.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1297.             return;

  1298. 

  1299.         // we need to pre-run the plugin so it can update its latency control-port

  1300.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1301.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1302. 

  1303.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1304.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1305. 

  1306.         for (uint32_t j=0; j < aIns; ++j)

  1307.         {

  1308.             tmpIn[j][0] = 0.0f;

  1309.             tmpIn[j][1] = 0.0f;

  1310. 

  1311.             try {

  1312.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1313.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1314.         }

  1315. 

  1316.         for (uint32_t j=0; j < aOuts; ++j)

  1317.         {

  1318.             tmpOut[j][0] = 0.0f;

  1319.             tmpOut[j][1] = 0.0f;

  1320. 

  1321.             try {

  1322.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1323.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1324.         }

  1325. 

  1326.         if (fDescriptor->activate != nullptr)

  1327.         {

  1328.             try {

  1329.                 fDescriptor->activate(handle);

  1330.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1331.         }

  1332. 

  1333.         try {

  1334.             fDescriptor->run(handle, 2);

  1335.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1336. 

  1337.         if (fDescriptor->deactivate != nullptr)

  1338.         {

  1339.             try {

  1340.                 fDescriptor->deactivate(handle);

  1341.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1342.         }

  1343. 

  1344.         // done, let's get the value

  1345.         if (const uint32_t latency = getLatencyInFrames())

  1346.         {

  1347.             pData->client->setLatency(latency);

  1348. #ifndef BUILD_BRIDGE

  1349.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1350. #endif

  1351.         }

  1352.     }

  1353. 

  1354.     void reloadPrograms(const bool doInit) override

  1355.     {

  1356.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1357. 

  1358.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1359.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1360. 

  1361.         const uint32_t oldCount = pData->midiprog.count;

  1362.         const int32_t  current  = pData->midiprog.current;

  1363. 

  1364.         // Delete old programs

  1365.         pData->midiprog.clear();

  1366. 

  1367.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1368.         if (fDssiDescriptor == nullptr)

  1369.             return;

  1370. 

  1371.         // Query new programs

  1372.         uint32_t newCount = 0;

  1373.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1374.         {

  1375.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1376.                 ++newCount;

  1377.         }

  1378. 

  1379.         if (newCount > 0)

  1380.         {

  1381.             pData->midiprog.createNew(newCount);

  1382. 

  1383.             // Update data

  1384.             for (uint32_t i=0; i < newCount; ++i)

  1385.             {

  1386.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1387.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1388.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1389. 

  1390.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1391.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1392.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1393.             }

  1394.         }

  1395. 

  1396.         if (doInit)

  1397.         {

  1398.             if (newCount > 0)

  1399.                 setMidiProgram(0, false, false, false, true);

  1400.         }

  1401.         else

  1402.         {

  1403.             // Check if current program is invalid

  1404.             bool programChanged = false;

  1405. 

  1406.             if (newCount == oldCount+1)

  1407.             {

  1408.                 // one midi program added, probably created by user

  1409.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1410.                 programChanged = true;

  1411.             }

  1412.             else if (current < 0 && newCount > 0)

  1413.             {

  1414.                 // programs exist now, but not before

  1415.                 pData->midiprog.current = 0;

  1416.                 programChanged = true;

  1417.             }

  1418.             else if (current >= 0 && newCount == 0)

  1419.             {

  1420.                 // programs existed before, but not anymore

  1421.                 pData->midiprog.current = -1;

  1422.                 programChanged = true;

  1423.             }

  1424.             else if (current >= static_cast<int32_t>(newCount))

  1425.             {

  1426.                 // current midi program > count

  1427.                 pData->midiprog.current = 0;

  1428.                 programChanged = true;

  1429.             }

  1430.             else

  1431.             {

  1432.                 // no change

  1433.                 pData->midiprog.current = current;

  1434.             }

  1435. 

  1436.             if (programChanged)

  1437.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1438. 

  1439.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1440.         }

  1441.     }

  1442. 

  1443.     // -------------------------------------------------------------------

  1444.     // Plugin processing

  1445. 

  1446.     void activate() noexcept override

  1447.     {

  1448.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1449. 

  1450.         if (fDescriptor->activate != nullptr)

  1451.         {

  1452.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1453.             {

  1454.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1455.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1456. 

  1457.                 try {

  1458.                     fDescriptor->activate(handle);

  1459.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1460.             }

  1461.         }

  1462.     }

  1463. 

  1464.     void deactivate() noexcept override

  1465.     {

  1466.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1467. 

  1468.         if (fDescriptor->deactivate != nullptr)

  1469.         {

  1470.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1471.             {

  1472.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1473.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1474. 

  1475.                 try {

  1476.                     fDescriptor->deactivate(handle);

  1477.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1478.             }

  1479.         }

  1480.     }

  1481. 

  1482.     void process(const float* const* const audioIn, float** const audioOut,

  1483.                  const float* const* const cvIn, float**,

  1484.                  const uint32_t frames) override

  1485.     {

  1486.         // --------------------------------------------------------------------------------------------------------

  1487.         // Check if active

  1488. 

  1489.         if (! pData->active)

  1490.         {

  1491.             // disable any output sound

  1492.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1493.                 carla_zeroFloats(audioOut[i], frames);

  1494.             return;

  1495.         }

  1496. 

  1497.         ulong midiEventCount = 0;

  1498.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1499. 

  1500.         // --------------------------------------------------------------------------------------------------------

  1501.         // Check if needs reset

  1502. 

  1503.         if (pData->needsReset)

  1504.         {

  1505.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1506.             {

  1507.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1508. 

  1509.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1510.                 {

  1511.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1512.                     fMidiEvents[i].data.control.channel = i;

  1513.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1514. 

  1515.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1516.                     fMidiEvents[k+i].data.control.channel = i;

  1517.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1518.                 }

  1519.             }

  1520.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1521.             {

  1522.                 midiEventCount = MAX_MIDI_NOTE;

  1523. 

  1524.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1525.                 {

  1526.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1527.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1528.                     fMidiEvents[i].data.note.note    = i;

  1529.                 }

  1530.             }

  1531. 

  1532.             pData->needsReset = false;

  1533.         }

  1534. 

  1535.         // --------------------------------------------------------------------------------------------------------

  1536.         // Event Input and Processing

  1537. 

  1538.         if (pData->event.portIn != nullptr)

  1539.         {

  1540.             // ----------------------------------------------------------------------------------------------------

  1541.             // MIDI Input (External)

  1542. 

  1543.             if (pData->extNotes.mutex.tryLock())

  1544.             {

  1545.                 ExternalMidiNote note = { 0, 0, 0 };

  1546. 

  1547.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1548.                 {

  1549.                     note = pData->extNotes.data.getFirst(note, true);

  1550.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1551. 

  1552.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1553. 

  1554.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1555.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1556.                     seqEvent.data.note.note     = note.note;

  1557.                     seqEvent.data.note.velocity = note.velo;

  1558.                 }

  1559. 

  1560.                 pData->extNotes.mutex.unlock();

  1561. 

  1562.             } // End of MIDI Input (External)

  1563. 

  1564.             // ----------------------------------------------------------------------------------------------------

  1565.             // Event Input (System)

  1566. 

  1567. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1568.             bool allNotesOffSent = false;

  1569. #endif

  1570.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1571. 

  1572.             uint32_t startTime  = 0;

  1573.             uint32_t timeOffset = 0;

  1574.             uint32_t nextBankId;

  1575. 

  1576.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1577.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1578.             else

  1579.                 nextBankId = 0;

  1580. 

  1581. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1582.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1583.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1584. #endif

  1585. 

  1586.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1587.             {

  1588.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1589. 

  1590.                 uint32_t eventTime = event.time;

  1591.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1592. 

  1593.                 if (eventTime < timeOffset)

  1594.                 {

  1595.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1596.                                   eventTime, timeOffset, pData->name);

  1597.                     eventTime = timeOffset;

  1598.                 }

  1599. 

  1600.                 if (isSampleAccurate && eventTime > timeOffset)

  1601.                 {

  1602.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1603.                     {

  1604.                         startTime  = 0;

  1605.                         timeOffset = eventTime;

  1606.                         midiEventCount = 0;

  1607. 

  1608.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1609.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1610.                         else

  1611.                             nextBankId = 0;

  1612.                     }

  1613.                     else

  1614.                         startTime += timeOffset;

  1615.                 }

  1616. 

  1617.                 switch (event.type)

  1618.                 {

  1619.                 case kEngineEventTypeNull:

  1620.                     break;

  1621. 

  1622.                 case kEngineEventTypeControl: {

  1623.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1624. 

  1625.                     switch (ctrlEvent.type)

  1626.                     {

  1627.                     case kEngineControlEventTypeNull:

  1628.                         break;

  1629. 

  1630.                     case kEngineControlEventTypeParameter: {

  1631.                         float value;

  1632. 

  1633. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1634.                         // non-midi

  1635.                         if (event.channel == kEngineEventNonMidiChannel)

  1636.                         {

  1637.                             const uint32_t k = ctrlEvent.param;

  1638.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1639. 

  1640.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.value);

  1641.                             setParameterValueRT(k, value, true);

  1642.                             continue;

  1643.                         }

  1644. 

  1645.                         // Control backend stuff

  1646.                         if (event.channel == pData->ctrlChannel)

  1647.                         {

  1648.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1649.                             {

  1650.                                 value = ctrlEvent.value;

  1651.                                 setDryWetRT(value, true);

  1652.                             }

  1653. 

  1654.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1655.                             {

  1656.                                 value = ctrlEvent.value*127.0f/100.0f;

  1657.                                 setVolumeRT(value, true);

  1658.                             }

  1659. 

  1660.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1661.                             {

  1662.                                 float left, right;

  1663.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1664. 

  1665.                                 if (value < 0.0f)

  1666.                                 {

  1667.                                     left  = -1.0f;

  1668.                                     right = (value*2.0f)+1.0f;

  1669.                                 }

  1670.                                 else if (value > 0.0f)

  1671.                                 {

  1672.                                     left  = (value*2.0f)-1.0f;

  1673.                                     right = 1.0f;

  1674.                                 }

  1675.                                 else

  1676.                                 {

  1677.                                     left  = -1.0f;

  1678.                                     right = 1.0f;

  1679.                                 }

  1680. 

  1681.                                 setBalanceLeftRT(left, true);

  1682.                                 setBalanceRightRT(right, true);

  1683.                             }

  1684.                         }

  1685. #endif

  1686.                         // Control plugin parameters

  1687.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1688.                         {

  1689.                             if (pData->param.data[k].midiChannel != event.channel)

  1690.                                 continue;

  1691.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1692.                                 continue;

  1693.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1694.                                 continue;

  1695.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1696.                                 continue;

  1697. 

  1698.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.value);

  1699.                             setParameterValueRT(k, value, true);

  1700.                         }

  1701. 

  1702.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1703.                         {

  1704.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1705.                                 continue;

  1706. 

  1707.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1708. 

  1709.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1710. 

  1711.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1712.                             seqEvent.data.control.channel = event.channel;

  1713.                             seqEvent.data.control.param   = ctrlEvent.param;

  1714.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1715.                         }

  1716. 

  1717.                         break;

  1718.                     } // case kEngineControlEventTypeParameter

  1719. 

  1720.                     case kEngineControlEventTypeMidiBank:

  1721.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1722.                             nextBankId = ctrlEvent.param;

  1723.                         break;

  1724. 

  1725.                     case kEngineControlEventTypeMidiProgram:

  1726.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1727.                         {

  1728.                             const uint32_t nextProgramId = ctrlEvent.param;

  1729. 

  1730.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1731.                             {

  1732.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1733.                                 {

  1734.                                     setMidiProgramRT(k, true);

  1735.                                     break;

  1736.                                 }

  1737.                             }

  1738.                         }

  1739.                         break;

  1740. 

  1741.                     case kEngineControlEventTypeAllSoundOff:

  1742.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1743.                         {

  1744.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1745.                                 continue;

  1746. 

  1747.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1748. 

  1749.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1750. 

  1751.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1752.                             seqEvent.data.control.channel = event.channel;

  1753.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1754.                         }

  1755.                         break;

  1756. 

  1757.                     case kEngineControlEventTypeAllNotesOff:

  1758.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1759.                         {

  1760. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1761.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1762.                             {

  1763.                                 allNotesOffSent = true;

  1764.                                 postponeRtAllNotesOff();

  1765.                             }

  1766. #endif

  1767. 

  1768.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1769.                                 continue;

  1770. 

  1771.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1772. 

  1773.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1774. 

  1775.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1776.                             seqEvent.data.control.channel = event.channel;

  1777.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1778.                         }

  1779.                         break;

  1780.                     } // switch (ctrlEvent.type)

  1781.                     break;

  1782.                 } // case kEngineEventTypeControl

  1783. 

  1784.                 case kEngineEventTypeMidi: {

  1785.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1786.                         continue;

  1787. 

  1788.                     const EngineMidiEvent& midiEvent(event.midi);

  1789. 

  1790.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1791.                         continue;

  1792. 

  1793.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1794. 

  1795.                     // Fix bad note-off (per DSSI spec)

  1796.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1797.                         status = MIDI_STATUS_NOTE_OFF;

  1798. 

  1799.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1800. 

  1801.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1802. 

  1803.                     switch (status)

  1804.                     {

  1805.                     case MIDI_STATUS_NOTE_OFF: {

  1806.                         const uint8_t note = midiEvent.data[1];

  1807. 

  1808.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1809.                         seqEvent.data.note.channel = event.channel;

  1810.                         seqEvent.data.note.note    = note;

  1811. 

  1812.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, true, event.channel, note, 0, 0.0f);

  1813.                         break;

  1814.                     }

  1815. 

  1816.                     case MIDI_STATUS_NOTE_ON: {

  1817.                         const uint8_t note = midiEvent.data[1];

  1818.                         const uint8_t velo = midiEvent.data[2];

  1819. 

  1820.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1821.                         seqEvent.data.note.channel  = event.channel;

  1822.                         seqEvent.data.note.note     = note;

  1823.                         seqEvent.data.note.velocity = velo;

  1824. 

  1825.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1826.                         break;

  1827.                     }

  1828. 

  1829.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1830.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1831.                         {

  1832.                             const uint8_t note     = midiEvent.data[1];

  1833.                             const uint8_t pressure = midiEvent.data[2];

  1834. 

  1835.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1836.                             seqEvent.data.note.channel  = event.channel;

  1837.                             seqEvent.data.note.note     = note;

  1838.                             seqEvent.data.note.velocity = pressure;

  1839.                         }

  1840.                         break;

  1841. 

  1842.                     case MIDI_STATUS_CONTROL_CHANGE:

  1843.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1844.                         {

  1845.                             const uint8_t control = midiEvent.data[1];

  1846.                             const uint8_t value   = midiEvent.data[2];

  1847. 

  1848.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1849.                             seqEvent.data.control.channel = event.channel;

  1850.                             seqEvent.data.control.param   = control;

  1851.                             seqEvent.data.control.value   = value;

  1852.                         }

  1853.                         break;

  1854. 

  1855.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1856.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1857.                         {

  1858.                             const uint8_t pressure = midiEvent.data[1];

  1859. 

  1860.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1861.                             seqEvent.data.control.channel = event.channel;

  1862.                             seqEvent.data.control.value   = pressure;

  1863.                         }

  1864.                         break;

  1865. 

  1866.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1867.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1868.                         {

  1869.                             const uint8_t lsb = midiEvent.data[1];

  1870.                             const uint8_t msb = midiEvent.data[2];

  1871. 

  1872.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1873.                             seqEvent.data.control.channel = event.channel;

  1874.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1875.                         }

  1876.                         break;

  1877. 

  1878.                     default:

  1879.                         --midiEventCount;

  1880.                         break;

  1881.                     } // switch (status)

  1882.                 } break;

  1883.                 } // switch (event.type)

  1884.             }

  1885. 

  1886.             pData->postRtEvents.trySplice();

  1887. 

  1888.             if (frames > timeOffset)

  1889.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1890. 

  1891.         } // End of Event Input and Processing

  1892. 

  1893.         // --------------------------------------------------------------------------------------------------------

  1894.         // Plugin processing (no events)

  1895. 

  1896.         else

  1897.         {

  1898.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1899. 

  1900.         } // End of Plugin processing (no events)

  1901. 

  1902.         // --------------------------------------------------------------------------------------------------------

  1903.         // Control Output

  1904. 

  1905.         if (pData->event.portOut != nullptr)

  1906.         {

  1907.             uint8_t  channel;

  1908.             uint16_t param;

  1909.             float    value;

  1910. 

  1911.             for (uint32_t k=0; k < pData->param.count; ++k)

  1912.             {

  1913.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1914.                     continue;

  1915. 

  1916.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1917. 

  1918.                 if (pData->param.data[k].mappedControlIndex > 0)

  1919.                 {

  1920.                     channel = pData->param.data[k].midiChannel;

  1921.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1922.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1923.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1924.                 }

  1925.             }

  1926.         } // End of Control Output

  1927. 

  1928. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1929.         return;

  1930. 

  1931.         // unused

  1932.         (void)cvIn;

  1933. #endif

  1934.     }

  1935. 

  1936.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1937.                        const uint32_t timeOffset, const ulong midiEventCount)

  1938.     {

  1939.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1940. 

  1941.         if (pData->audioIn.count > 0)

  1942.         {

  1943.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1944.         }

  1945.         if (pData->audioOut.count > 0)

  1946.         {

  1947.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1948.         }

  1949. 

  1950.         // --------------------------------------------------------------------------------------------------------

  1951.         // Try lock, silence otherwise

  1952. 

  1953. #ifndef STOAT_TEST_BUILD

  1954.         if (pData->engine->isOffline())

  1955.         {

  1956.             pData->singleMutex.lock();

  1957.         }

  1958.         else

  1959. #endif

  1960.         if (! pData->singleMutex.tryLock())

  1961.         {

  1962.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1963.             {

  1964.                 for (uint32_t k=0; k < frames; ++k)

  1965.                     audioOut[i][k+timeOffset] = 0.0f;

  1966.             }

  1967. 

  1968.             return false;

  1969.         }

  1970. 

  1971.         // --------------------------------------------------------------------------------------------------------

  1972.         // Set audio buffers

  1973. 

  1974.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1975.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1976. 

  1977.         if (! customMonoOut)

  1978.         {

  1979.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1980.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1981.         }

  1982. 

  1983.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1984.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1985. 

  1986.         // --------------------------------------------------------------------------------------------------------

  1987.         // Run plugin

  1988. 

  1989.         uint instn = 0;

  1990.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1991.         {

  1992.             LADSPA_Handle const handle(it.getValue(nullptr));

  1993.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1994. 

  1995.             // ----------------------------------------------------------------------------------------------------

  1996.             // Mixdown for forced stereo

  1997. 

  1998.             if (customMonoOut)

  1999.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2000. 

  2001.             // ----------------------------------------------------------------------------------------------------

  2002.             // Run it

  2003. 

  2004.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2005.             {

  2006.                 try {

  2007.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2008.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2009.             }

  2010.             else

  2011.             {

  2012.                 try {

  2013.                     fDescriptor->run(handle, frames);

  2014.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2015.             }

  2016. 

  2017.             // ----------------------------------------------------------------------------------------------------

  2018.             // Mixdown for forced stereo

  2019. 

  2020.             if (customMonoOut)

  2021.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2022.             else if (customStereoOut)

  2023.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2024.         }

  2025. 

  2026.         if (customStereoOut)

  2027.         {

  2028.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2029.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2030.         }

  2031. 

  2032. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2033.         // --------------------------------------------------------------------------------------------------------

  2034.         // Post-processing (dry/wet, volume and balance)

  2035. 

  2036.         {

  2037.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2038.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2039.             const bool isMono    = (pData->audioIn.count == 1);

  2040. 

  2041.             bool isPair;

  2042.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  2043. 

  2044.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2045.             {

  2046.                 // Dry/Wet

  2047.                 if (doDryWet)

  2048.                 {

  2049.                     const uint32_t c = isMono ? 0 : i;

  2050. 

  2051.                     for (uint32_t k=0; k < frames; ++k)

  2052.                     {

  2053. # ifndef BUILD_BRIDGE

  2054.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2055.                             bufValue = pData->latency.buffers[c][k];

  2056.                         else if (pData->latency.frames < frames)

  2057.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2058.                         else

  2059. # endif

  2060.                             bufValue = fAudioInBuffers[c][k];

  2061. 

  2062.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2063.                     }

  2064.                 }

  2065. 

  2066.                 // Balance

  2067.                 if (doBalance)

  2068.                 {

  2069.                     isPair = (i % 2 == 0);

  2070. 

  2071.                     if (isPair)

  2072.                     {

  2073.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2074.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2075.                     }

  2076. 

  2077.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2078.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2079. 

  2080.                     for (uint32_t k=0; k < frames; ++k)

  2081.                     {

  2082.                         if (isPair)

  2083.                         {

  2084.                             // left

  2085.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2086.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2087.                         }

  2088.                         else

  2089.                         {

  2090.                             // right

  2091.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2092.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2093.                         }

  2094.                     }

  2095.                 }

  2096. 

  2097.                 // Volume (and buffer copy)

  2098.                 {

  2099.                     for (uint32_t k=0; k < frames; ++k)

  2100.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2101.                 }

  2102.             }

  2103. 

  2104.         } // End of Post-processing

  2105. 

  2106. # ifndef BUILD_BRIDGE

  2107.         // --------------------------------------------------------------------------------------------------------

  2108.         // Save latency values for next callback

  2109. 

  2110.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2111.         {

  2112.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2113.             const uint32_t latframes = pData->latency.frames;

  2114. 

  2115.             if (latframes <= frames)

  2116.             {

  2117.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2118.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2119.             }

  2120.             else

  2121.             {

  2122.                 const uint32_t diff = latframes - frames;

  2123. 

  2124.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2125.                 {

  2126.                     // push back buffer by 'frames'

  2127.                     for (k=0; k < diff; ++k)

  2128.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2129. 

  2130.                     // put current input at the end

  2131.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2132.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2133.                 }

  2134.             }

  2135.         }

  2136. # endif

  2137. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2138.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2139.         {

  2140.             for (uint32_t k=0; k < frames; ++k)

  2141.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2142.         }

  2143. #endif

  2144. 

  2145.         // --------------------------------------------------------------------------------------------------------

  2146. 

  2147.         pData->singleMutex.unlock();

  2148.         return true;

  2149.     }

  2150. 

  2151.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2152.     {

  2153.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2154.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2155. 

  2156.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2157.         {

  2158.             if (fAudioInBuffers[i] != nullptr)

  2159.                 delete[] fAudioInBuffers[i];

  2160. 

  2161.             fAudioInBuffers[i] = new float[newBufferSize];

  2162.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2163.         }

  2164. 

  2165.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2166.         {

  2167.             if (fAudioOutBuffers[i] != nullptr)

  2168.                 delete[] fAudioOutBuffers[i];

  2169. 

  2170.             fAudioOutBuffers[i] = new float[newBufferSize];

  2171.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2172.         }

  2173. 

  2174.         if (fExtraStereoBuffer[0] != nullptr)

  2175.         {

  2176.             delete[] fExtraStereoBuffer[0];

  2177.             fExtraStereoBuffer[0] = nullptr;

  2178.         }

  2179. 

  2180.         if (fExtraStereoBuffer[1] != nullptr)

  2181.         {

  2182.             delete[] fExtraStereoBuffer[1];

  2183.             fExtraStereoBuffer[1] = nullptr;

  2184.         }

  2185. 

  2186.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2187.         {

  2188.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2189.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2190.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2191.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2192.         }

  2193. 

  2194.         reconnectAudioPorts();

  2195. 

  2196.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2197.     }

  2198. 

  2199.     void sampleRateChanged(const double newSampleRate) override

  2200.     {

  2201.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2202.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2203. 

  2204.         // TODO - handle UI stuff

  2205. 

  2206.         if (pData->active)

  2207.             deactivate();

  2208. 

  2209.         const std::size_t instanceCount(fHandles.count());

  2210. 

  2211.         if (fDescriptor->cleanup != nullptr)

  2212.         {

  2213.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2214.             {

  2215.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2216.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2217. 

  2218.                 try {

  2219.                     fDescriptor->cleanup(handle);

  2220.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2221.             }

  2222.         }

  2223. 

  2224.         fHandles.clear();

  2225. 

  2226.         for (std::size_t i=0; i<instanceCount; ++i)

  2227.             addInstance();

  2228. 

  2229.         reconnectAudioPorts();

  2230. 

  2231.         if (pData->active)

  2232.             activate();

  2233. 

  2234.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2235.     }

  2236. 

  2237.     void reconnectAudioPorts() const noexcept

  2238.     {

  2239.         if (fForcedStereoIn)

  2240.         {

  2241.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2242.             {

  2243.                 try {

  2244.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2245.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2246.             }

  2247. 

  2248.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2249.             {

  2250.                 try {

  2251.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2252.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2253.             }

  2254.         }

  2255.         else

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

  2263.                 {

  2264.                     try {

  2265.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2266.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2267.                 }

  2268.             }

  2269.         }

  2270. 

  2271.         if (fForcedStereoOut)

  2272.         {

  2273.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2274.             {

  2275.                 try {

  2276.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2277.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2278.             }

  2279. 

  2280.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2281.             {

  2282.                 try {

  2283.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2284.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2285.             }

  2286.         }

  2287.         else

  2288.         {

  2289.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2290.             {

  2291.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2292.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2293. 

  2294.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2295.                 {

  2296.                     try {

  2297.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2298.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2299.                 }

  2300.             }

  2301.         }

  2302.     }

  2303. 

  2304.     // -------------------------------------------------------------------

  2305.     // Plugin buffers

  2306. 

  2307.     void clearBuffers() noexcept override

  2308.     {

  2309.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2310. 

  2311.         if (fAudioInBuffers != nullptr)

  2312.         {

  2313.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2314.             {

  2315.                 if (fAudioInBuffers[i] != nullptr)

  2316.                 {

  2317.                     delete[] fAudioInBuffers[i];

  2318.                     fAudioInBuffers[i] = nullptr;

  2319.                 }

  2320.             }

  2321. 

  2322.             delete[] fAudioInBuffers;

  2323.             fAudioInBuffers = nullptr;

  2324.         }

  2325. 

  2326.         if (fAudioOutBuffers != nullptr)

  2327.         {

  2328.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2329.             {

  2330.                 if (fAudioOutBuffers[i] != nullptr)

  2331.                 {

  2332.                     delete[] fAudioOutBuffers[i];

  2333.                     fAudioOutBuffers[i] = nullptr;

  2334.                 }

  2335.             }

  2336. 

  2337.             delete[] fAudioOutBuffers;

  2338.             fAudioOutBuffers = nullptr;

  2339.         }

  2340. 

  2341.         if (fExtraStereoBuffer[0] != nullptr)

  2342.         {

  2343.             delete[] fExtraStereoBuffer[0];

  2344.             fExtraStereoBuffer[0] = nullptr;

  2345.         }

  2346. 

  2347.         if (fExtraStereoBuffer[1] != nullptr)

  2348.         {

  2349.             delete[] fExtraStereoBuffer[1];

  2350.             fExtraStereoBuffer[1] = nullptr;

  2351.         }

  2352. 

  2353.         if (fParamBuffers != nullptr)

  2354.         {

  2355.             delete[] fParamBuffers;

  2356.             fParamBuffers = nullptr;

  2357.         }

  2358. 

  2359.         CarlaPlugin::clearBuffers();

  2360. 

  2361.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2362.     }

  2363. 

  2364. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2365.     // -------------------------------------------------------------------

  2366.     // OSC stuff

  2367. 

  2368.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2369.     {

  2370.         const lo_address source(lo_message_get_source(msg));

  2371.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2372. 

  2373.         // protocol for DSSI UIs *must* be UDP

  2374.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2375. 

  2376.         if (fOscData.source == nullptr)

  2377.         {

  2378.             // if no UI is registered yet only "configure" and "update" messages are valid

  2379.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2380.         }

  2381.         else

  2382.         {

  2383.             // make sure message source is the DSSI UI

  2384.             const char* const msghost = lo_address_get_hostname(source);

  2385.             const char* const msgport = lo_address_get_port(source);

  2386. 

  2387.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2388.             const char* const ourport = lo_address_get_port(fOscData.source);

  2389. 

  2390.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2391.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2392.         }

  2393. 

  2394.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2395. 

  2396.         if (std::strcmp(method, "configure") == 0)

  2397.             return handleOscMessageConfigure(argc, argv, types);

  2398.         if (std::strcmp(method, "control") == 0)

  2399.             return handleOscMessageControl(argc, argv, types);

  2400.         if (std::strcmp(method, "program") == 0)

  2401.             return handleOscMessageProgram(argc, argv, types);

  2402.         if (std::strcmp(method, "midi") == 0)

  2403.             return handleOscMessageMIDI(argc, argv, types);

  2404.         if (std::strcmp(method, "update") == 0)

  2405.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2406.         if (std::strcmp(method, "exiting") == 0)

  2407.             return handleOscMessageExiting();

  2408. 

  2409.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2410.     }

  2411. 

  2412.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2413.     {

  2414.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2415.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2416. 

  2417.         const char* const key   = (const char*)&argv[0]->s;

  2418.         const char* const value = (const char*)&argv[1]->s;

  2419. 

  2420.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2421.     }

  2422. 

  2423.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2424.     {

  2425.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2426.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2427. 

  2428.         const int32_t rindex = argv[0]->i;

  2429.         const float   value  = argv[1]->f;

  2430. 

  2431.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2432.     }

  2433. 

  2434.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2435.     {

  2436.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2437.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2438. 

  2439.         const int32_t bank    = argv[0]->i;

  2440.         const int32_t program = argv[1]->i;

  2441. 

  2442.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2443.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2444. 

  2445.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2446.     }

  2447. 

  2448.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2449.     {

  2450.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2451.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2452. 

  2453.         if (getMidiInCount() == 0)

  2454.         {

  2455.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2456.             return;

  2457.         }

  2458. 

  2459.         const uint8_t* const data = argv[0]->m;

  2460.         uint8_t status  = data[1];

  2461.         uint8_t channel = status & 0x0F;

  2462. 

  2463.         // Fix bad note-off

  2464.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2465.             status = MIDI_STATUS_NOTE_OFF;

  2466. 

  2467.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2468.         {

  2469.             const uint8_t note = data[2];

  2470. 

  2471.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2472. 

  2473.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2474.         }

  2475.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2476.         {

  2477.             const uint8_t note = data[2];

  2478.             const uint8_t velo = data[3];

  2479. 

  2480.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2481.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2482. 

  2483.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2484.         }

  2485.     }

  2486. 

  2487.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2488.     {

  2489.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2490.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2491. 

  2492.         const char* const url = (const char*)&argv[0]->s;

  2493. 

  2494.         // FIXME - remove debug prints later

  2495.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2496. 

  2497.         fOscData.clear();

  2498. 

  2499.         const int proto = lo_address_get_protocol(source);

  2500. 

  2501.         {

  2502.             const char* host = lo_address_get_hostname(source);

  2503.             const char* port = lo_address_get_port(source);

  2504.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2505. 

  2506.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2507.         }

  2508. 

  2509.         {

  2510.             char* host = lo_url_get_hostname(url);

  2511.             char* port = lo_url_get_port(url);

  2512.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2513.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2514.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2515. 

  2516.             std::free(host);

  2517.             std::free(port);

  2518.         }

  2519. 

  2520.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2521. 

  2522.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2523.         {

  2524.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2525.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2526. 

  2527.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2528.                 osc_send_configure(fOscData, customData.key, customData.value);

  2529.         }

  2530. 

  2531.         if (pData->prog.current >= 0)

  2532.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2533. 

  2534.         if (pData->midiprog.current >= 0)

  2535.         {

  2536.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2537.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2538.         }

  2539. 

  2540.         for (uint32_t i=0; i < pData->param.count; ++i)

  2541.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2542. 

  2543. #ifndef BUILD_BRIDGE

  2544.         if (pData->engine->getOptions().frontendWinId != 0)

  2545.             pData->transientTryCounter = 1;

  2546. #endif

  2547. 

  2548.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2549.     }

  2550. 

  2551.     void handleOscMessageExiting()

  2552.     {

  2553.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2554. 

  2555.         // hide UI

  2556.         showCustomUI(false);

  2557. 

  2558.         // tell frontend

  2559.         pData->engine->callback(true, true,

  2560.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2561.                                 pData->id,

  2562.                                 0,

  2563.                                 0, 0, 0.0f, nullptr);

  2564.     }

  2565. 

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

  2567.     // Post-poned UI Stuff

  2568. 

  2569.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2570.     {

  2571.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2572. 

  2573.         if (fOscData.target == nullptr)

  2574.             return;

  2575. 

  2576.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2577.     }

  2578. 

  2579.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2580.     {

  2581.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2582. 

  2583.         if (fOscData.target == nullptr)

  2584.             return;

  2585. 

  2586.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2587.     }

  2588. 

  2589.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2590.     {

  2591.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2592.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2593.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2594. 

  2595.         if (fOscData.target == nullptr)

  2596.             return;

  2597. 

  2598. #if 0

  2599.         uint8_t midiData[4];

  2600.         midiData[0] = 0;

  2601.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2602.         midiData[2] = note;

  2603.         midiData[3] = velo;

  2604. 

  2605.         osc_send_midi(fOscData, midiData);

  2606. #endif

  2607.     }

  2608. 

  2609.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2610.     {

  2611.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2612.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2613. 

  2614.         if (fOscData.target == nullptr)

  2615.             return;

  2616. 

  2617. #if 0

  2618.         uint8_t midiData[4];

  2619.         midiData[0] = 0;

  2620.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2621.         midiData[2] = note;

  2622.         midiData[3] = 0;

  2623. 

  2624.         osc_send_midi(fOscData, midiData);

  2625. #endif

  2626.     }

  2627. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2628. 

  2629.     // -------------------------------------------------------------------

  2630. 

  2631.     const void* getNativeDescriptor() const noexcept override

  2632.     {

  2633.         return fDssiDescriptor != nullptr

  2634.                ? (const void*)fDssiDescriptor

  2635.                : (const void*)fDescriptor;

  2636.     }

  2637. 

  2638.     const void* getExtraStuff() const noexcept override

  2639.     {

  2640.         if (fDssiDescriptor != nullptr)

  2641.         {

  2642. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2643.             return fUiFilename;

  2644. #else

  2645.             return nullptr;

  2646. #endif

  2647.         }

  2648.         return fRdfDescriptor;

  2649.     }

  2650. 

  2651. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2652.     uintptr_t getUiBridgeProcessId() const noexcept override

  2653.     {

  2654.         return fThreadUI.getProcessId();

  2655.     }

  2656. #endif

  2657. 

  2658.     // -------------------------------------------------------------------

  2659. 

  2660.     bool initLADSPA(const char* const filename, const char* name, const char* const label, const uint options,

  2661.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2662.     {

  2663.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2664. 

  2665.         // ---------------------------------------------------------------

  2666.         // first checks

  2667. 

  2668.         if (pData->client != nullptr)

  2669.         {

  2670.             pData->engine->setLastError("Plugin client is already registered");

  2671.             return false;

  2672.         }

  2673. 

  2674.         if (filename == nullptr || filename[0] == '\0')

  2675.         {

  2676.             pData->engine->setLastError("null filename");

  2677.             return false;

  2678.         }

  2679. 

  2680.         // ---------------------------------------------------------------

  2681.         // open DLL

  2682. 

  2683.         if (! pData->libOpen(filename))

  2684.         {

  2685.             pData->engine->setLastError(pData->libError(filename));

  2686.             return false;

  2687.         }

  2688. 

  2689.         // ---------------------------------------------------------------

  2690.         // get DLL main entry

  2691. 

  2692.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2693. 

  2694.         if (descFn == nullptr)

  2695.         {

  2696.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2697.             return false;

  2698.         }

  2699. 

  2700.         // ---------------------------------------------------------------

  2701.         // get descriptor that matches label

  2702. 

  2703.         // if label is null, get first valid plugin

  2704.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2705. 

  2706.         for (ulong d=0;; ++d)

  2707.         {

  2708.             try {

  2709.                 fDescriptor = descFn(d);

  2710.             }

  2711.             catch(...) {

  2712.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2713.                 fDescriptor = nullptr;

  2714.                 break;

  2715.             }

  2716. 

  2717.             if (fDescriptor == nullptr)

  2718.                 break;

  2719. 

  2720.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2721.             {

  2722.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2723.                 fDescriptor = nullptr;

  2724.                 break;

  2725.             }

  2726.             if (fDescriptor->run == nullptr)

  2727.             {

  2728.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2729.                 fDescriptor = nullptr;

  2730.                 break;

  2731.             }

  2732. 

  2733.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2734.                 break;

  2735.         }

  2736. 

  2737.         if (fDescriptor == nullptr)

  2738.         {

  2739.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2740.             return false;

  2741.         }

  2742. 

  2743.         return init2(filename, name, options, rdfDescriptor);

  2744.     }

  2745. 

  2746.     bool initDSSI(const char* const filename, const char* name, const char* const label, const uint options)

  2747.     {

  2748.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2749. 

  2750.         // ---------------------------------------------------------------

  2751.         // first checks

  2752. 

  2753.         if (pData->client != nullptr)

  2754.         {

  2755.             pData->engine->setLastError("Plugin client is already registered");

  2756.             return false;

  2757.         }

  2758. 

  2759.         if (filename == nullptr || filename[0] == '\0')

  2760.         {

  2761.             pData->engine->setLastError("null filename");

  2762.             return false;

  2763.         }

  2764. 

  2765.         // ---------------------------------------------------------------

  2766.         // open DLL

  2767. 

  2768.         if (! pData->libOpen(filename))

  2769.         {

  2770.             pData->engine->setLastError(pData->libError(filename));

  2771.             return false;

  2772.         }

  2773. 

  2774.         // ---------------------------------------------------------------

  2775.         // get DLL main entry

  2776. 

  2777.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2778. 

  2779.         if (descFn == nullptr)

  2780.         {

  2781.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2782.             return false;

  2783.         }

  2784. 

  2785.         // ---------------------------------------------------------------

  2786.         // get descriptor that matches label

  2787. 

  2788.         // if label is null, get first valid plugin

  2789.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2790. 

  2791.         for (ulong d=0;; ++d)

  2792.         {

  2793.             try {

  2794.                 fDssiDescriptor = descFn(d);

  2795.             }

  2796.             catch(...) {

  2797.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2798.                 fDescriptor     = nullptr;

  2799.                 fDssiDescriptor = nullptr;

  2800.                 break;

  2801.             }

  2802. 

  2803.             if (fDssiDescriptor == nullptr)

  2804.                 break;

  2805. 

  2806.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2807. 

  2808.             if (fDescriptor == nullptr)

  2809.             {

  2810.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2811.                 fDssiDescriptor = nullptr;

  2812.                 break;

  2813.             }

  2814.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2815.             {

  2816.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2817.                 fDescriptor     = nullptr;

  2818.                 fDssiDescriptor = nullptr;

  2819.                 break;

  2820.             }

  2821.             if (fDescriptor->run == nullptr)

  2822.             {

  2823.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2824.                 fDescriptor     = nullptr;

  2825.                 fDssiDescriptor = nullptr;

  2826.                 break;

  2827.             }

  2828. 

  2829.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2830.                 break;

  2831.         }

  2832. 

  2833.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2834.         {

  2835.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2836.             return false;

  2837.         }

  2838. 

  2839.         // ---------------------------------------------------------------

  2840.         // check if uses global instance

  2841. 

  2842.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2843.         {

  2844.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2845.             return false;

  2846.         }

  2847. 

  2848.         return init2(filename, name, options, nullptr);

  2849.     }

  2850. 

  2851.     bool init2(const char* const filename, const char* name, const uint options,

  2852.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2853.     {

  2854.         // ---------------------------------------------------------------

  2855.         // check for fixed buffer size requirement

  2856. 

  2857.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2858. 

  2859.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2860.         {

  2861.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2862.                                         "The plugin requires a fixed block size which is not possible right now.");

  2863.             return false;

  2864.         }

  2865. 

  2866.         // ---------------------------------------------------------------

  2867.         // get info

  2868. 

  2869.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2870.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2871. 

  2872.         if (name == nullptr || name[0] == '\0')

  2873.         {

  2874.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2875.                 name = fRdfDescriptor->Title;

  2876.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2877.                 name = fDescriptor->Name;

  2878.             else

  2879.                 name = fDescriptor->Label;

  2880.         }

  2881. 

  2882.         pData->name = pData->engine->getUniquePluginName(name);

  2883.         pData->filename = carla_strdup(filename);

  2884. 

  2885.         // ---------------------------------------------------------------

  2886.         // register client

  2887. 

  2888.         pData->client = pData->engine->addClient(this);

  2889. 

  2890.         if (pData->client == nullptr || ! pData->client->isOk())

  2891.         {

  2892.             pData->engine->setLastError("Failed to register plugin client");

  2893.             return false;

  2894.         }

  2895. 

  2896.         // ---------------------------------------------------------------

  2897.         // initialize plugin

  2898. 

  2899.         if (! addInstance())

  2900.             return false;

  2901. 

  2902.         // ---------------------------------------------------------------

  2903.         // find latency port index

  2904. 

  2905.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2906.         {

  2907.             const int portType(fDescriptor->PortDescriptors[i]);

  2908. 

  2909.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2910.                 continue;

  2911. 

  2912.             const uint32_t index(iCtrl++);

  2913. 

  2914.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2915.                 continue;

  2916. 

  2917.             const char* const portName(fDescriptor->PortNames[i]);

  2918.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2919. 

  2920.             if (std::strcmp(portName, "latency")  == 0 ||

  2921.                 std::strcmp(portName, "_latency") == 0)

  2922.             {

  2923.                 fLatencyIndex = static_cast<int32_t>(index);

  2924.                 break;

  2925.             }

  2926.         }

  2927. 

  2928.         // ---------------------------------------------------------------

  2929.         // check for custom data extension

  2930. 

  2931.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2932.         {

  2933.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2934.             {

  2935.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2936.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2937.                     fUsesCustomData = true;

  2938. 

  2939.                 std::free(error);

  2940.             }

  2941.         }

  2942. 

  2943.         // ---------------------------------------------------------------

  2944.         // get engine options

  2945. 

  2946.         const EngineOptions& opts(pData->engine->getOptions());

  2947. 

  2948. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2949.         // ---------------------------------------------------------------

  2950.         // check for gui

  2951. 

  2952.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2953.         {

  2954.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2955.             {

  2956.                 fUiFilename = guiFilename;

  2957.                 fThreadUI.setData(guiFilename, fDescriptor->Label);

  2958.             }

  2959.         }

  2960. #endif

  2961. 

  2962.         // ---------------------------------------------------------------

  2963.         // set options

  2964. 

  2965.         pData->options = 0x0;

  2966. 

  2967.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2968.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2969.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2970.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2971. 

  2972.         /**/ if (opts.forceStereo)

  2973.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2974.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2975.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2976. 

  2977.         if (fDssiDescriptor != nullptr)

  2978.         {

  2979.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2980.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  2981.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2982. 

  2983.             if (fUsesCustomData)

  2984.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  2985.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2986. 

  2987.             if (fDssiDescriptor->run_synth != nullptr)

  2988.             {

  2989.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  2990.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2991.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  2992.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2993.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  2994.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2995.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  2996.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2997.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  2998.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2999.             }

  3000.         }

  3001. 

  3002.         return true;

  3003.     }

  3004. 

  3005.     // -------------------------------------------------------------------

  3006. 

  3007. private:

  3008.     LinkedList<LADSPA_Handle>    fHandles;

  3009.     const LADSPA_Descriptor*     fDescriptor;

  3010.     const DSSI_Descriptor*       fDssiDescriptor;

  3011.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3012. 

  3013.     float** fAudioInBuffers;

  3014.     float** fAudioOutBuffers;

  3015.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3016.     float*  fParamBuffers;

  3017. 

  3018.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3019. 

  3020.     int32_t fLatencyIndex; // -1 if invalid

  3021.     bool    fForcedStereoIn;

  3022.     bool    fForcedStereoOut;

  3023.     bool    fNeedsFixedBuffers;

  3024.     bool    fUsesCustomData;

  3025. 

  3026. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  3027.     CarlaOscData      fOscData;

  3028.     CarlaThreadDSSIUI fThreadUI;

  3029.     const char*       fUiFilename;

  3030. #endif

  3031. 

  3032.     // -------------------------------------------------------------------

  3033. 

  3034.     bool addInstance()

  3035.     {

  3036.         LADSPA_Handle handle;

  3037. 

  3038.         try {

  3039.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3040.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3041. 

  3042.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3043.         {

  3044.             const int32_t rindex(pData->param.data[i].rindex);

  3045.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3046. 

  3047.             try {

  3048.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3049.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3050.         }

  3051. 

  3052.         if (fHandles.append(handle))

  3053.             return true;

  3054. 

  3055.         try {

  3056.             fDescriptor->cleanup(handle);

  3057.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3058. 

  3059.         pData->engine->setLastError("Out of memory");

  3060.         return false;

  3061.     }

  3062. 

  3063.     uint32_t getSafePortCount() const noexcept

  3064.     {

  3065.         if (fDescriptor->PortCount == 0)

  3066.             return 0;

  3067. 

  3068.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3069.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3070.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3071. 

  3072.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3073.     }

  3074. 

  3075.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3076.     {

  3077.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3078.             return true;

  3079.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3080.             return true;

  3081.         return false;

  3082.     }

  3083. 

  3084.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3085.                                                      const bool wantName, const bool useBracket) noexcept

  3086.     {

  3087.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3088. 

  3089.         if (sepBracketStart == nullptr)

  3090.             return false;

  3091. 

  3092.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3093. 

  3094.         if (sepBracketEnd == nullptr)

  3095.             return false;

  3096. 

  3097.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3098. 

  3099.         if (unitSize > 7) // very unlikely to have such big unit

  3100.             return false;

  3101. 

  3102.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3103. 

  3104.         // just in case

  3105.         if (sepIndex > STR_MAX-3)

  3106.             return false;

  3107. 

  3108.         if (wantName)

  3109.         {

  3110.             std::strncpy(strBuf, paramName, sepIndex);

  3111.             strBuf[sepIndex] = '\0';

  3112.         }

  3113.         else

  3114.         {

  3115.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3116.             strBuf[unitSize] = '\0';

  3117.         }

  3118. 

  3119.         return true;

  3120.     }

  3121. 

  3122.     // -------------------------------------------------------------------

  3123. 

  3124.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3125. };

  3126. 

  3127. // -------------------------------------------------------------------------------------------------------------------

  3128. 

  3129. CarlaPlugin* CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3130. {

  3131.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3132.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3133. 

  3134.     CarlaPluginLADSPADSSI* const plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3135. 

  3136.     if (! plugin->initLADSPA(init.filename, init.name, init.label, init.options, rdfDescriptor))

  3137.     {

  3138.         delete plugin;

  3139.         return nullptr;

  3140.     }

  3141. 

  3142.     return plugin;

  3143. }

  3144. 

  3145. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  3146. {

  3147.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3148.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3149. 

  3150.     CarlaPluginLADSPADSSI* const plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3151. 

  3152.     if (! plugin->initDSSI(init.filename, init.name, init.label, init.options))

  3153.     {

  3154.         delete plugin;

  3155.         return nullptr;

  3156.     }

  3157. 

  3158.     return plugin;

  3159. }

  3160. 

  3161. // -------------------------------------------------------------------------------------------------------------------

  3162. 

  3163. CARLA_BACKEND_END_NAMESPACE