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Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

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  1. /*

  2.  * Carla Plugin, LADSPA/DSSI implementation

  3.  * Copyright (C) 2011-2020 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. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

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

  67. // Fallback data

  68. 

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

  70. 

  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.           fUiTitle(),

  83.           fOscData(oscData),

  84.           fProcess() {}

  85. 

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

  87.     {

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

  89.         CARLA_SAFE_ASSERT_RETURN(label != nullptr,);

  90.         CARLA_SAFE_ASSERT_RETURN(uiTitle != nullptr && uiTitle[0] != '\0',);

  91.         CARLA_SAFE_ASSERT(! isThreadRunning());

  92. 

  93.         fBinary  = binary;

  94.         fLabel   = label;

  95.         fUiTitle = uiTitle;

  96. 

  97.         if (fLabel.isEmpty())

  98.             fLabel = "\"\"";

  99.     }

  100. 

  101.     void setUITitle(const char* const uiTitle) noexcept

  102.     {

  103.         CARLA_SAFE_ASSERT_RETURN(uiTitle != nullptr && uiTitle[0] != '\0',);

  104. 

  105.         fUiTitle = uiTitle;

  106.     }

  107. 

  108.     uintptr_t getProcessId() const noexcept

  109.     {

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

  111. 

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

  113.     }

  114. 

  115.     void run()

  116.     {

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

  118. 

  119.         if (fProcess == nullptr)

  120.         {

  121.             fProcess = new ChildProcess();

  122.         }

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

  124.         {

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

  126. 

  127.             fProcess->kill();

  128.             fProcess = nullptr;

  129.             kEngine->callback(true, true,

  130.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  131.                               kPlugin->getId(),

  132.                               0,

  133.                               0, 0, 0.0f, nullptr);

  134.             return;

  135.         }

  136. 

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

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

  139. 

  140.         if (name.isEmpty())

  141.             name = "(none)";

  142. 

  143.         if (filename.isEmpty())

  144.             filename = "\"\"";

  145. 

  146.         StringArray arguments;

  147. 

  148.         // binary

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

  150. 

  151.         // osc-url

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

  153. 

  154.         // filename

  155.         arguments.add(filename);

  156. 

  157.         // label

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

  159. 

  160.         // ui-title

  161.         arguments.add(fUiTitle.buffer());

  162. 

  163.         bool started;

  164. 

  165.         {

  166. #ifdef CARLA_OS_LINUX

  167.             /*

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

  169.              * If not, unset LD_PRELOAD.

  170.              */

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

  172. 

  173.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  174.             char winIdStr[STR_MAX+1];

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

  176. 

  177.             // for LD_PRELOAD

  178.             CarlaString ldPreloadValue;

  179. 

  180.             if (winId != 0)

  181.             {

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

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

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

  185.             }

  186.             else

  187.             {

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

  189.             }

  190. 

  191.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  194. #endif // CARLA_OS_LINUX

  195. 

  196.             // start the DSSI UI application

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

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

  199.         }

  200. 

  201.         if (! started)

  202.         {

  203.             carla_stdout("failed!");

  204.             fProcess = nullptr;

  205.             return;

  206.         }

  207. 

  208.         if (waitForOscGuiShow())

  209.         {

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

  211.                 carla_sleep(1);

  212. 

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

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

  215.             {

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

  217. 

  218.                 if (fProcess->isRunning())

  219.                 {

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

  221.                     fProcess->kill();

  222.                 }

  223.                 else

  224.                 {

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

  226.                 }

  227.             }

  228.             else if (fProcess->getExitCodeAndClearPID() != 0)

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

  230.             else

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

  232.         }

  233.         else

  234.         {

  235.             fProcess->kill();

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

  237.         }

  238. 

  239.         fProcess = nullptr;

  240.         kEngine->callback(true, true,

  241.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  242.                           kPlugin->getId(),

  243.                           0,

  244.                           0, 0, 0.0f, nullptr);

  245. 

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

  247.     }

  248. 

  249. private:

  250.     CarlaEngine* const kEngine;

  251.     CarlaPlugin* const kPlugin;

  252. 

  253.     CarlaString fBinary;

  254.     CarlaString fLabel;

  255.     CarlaString fUiTitle;

  256. 

  257.     const CarlaOscData& fOscData;

  258.     CarlaScopedPointer<ChildProcess> fProcess;

  259. 

  260.     bool waitForOscGuiShow()

  261.     {

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

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

  264. 

  265.         // wait for UI 'update' call

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

  267.         {

  268.             if (fOscData.target != nullptr)

  269.             {

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

  271.                 osc_send_show(fOscData);

  272.                 return true;

  273.             }

  274. 

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

  276.                 carla_msleep(100);

  277.             else

  278.                 return false;

  279.         }

  280. 

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

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

  283.         return false;

  284.     }

  285. 

  286.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  287. };

  288. #endif

  289. 

  290. // -----------------------------------------------------

  291. 

  292. class CarlaPluginLADSPADSSI : public CarlaPlugin

  293. {

  294. public:

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

  296.         : CarlaPlugin(engine, id),

  297.           fHandles(),

  298.           fDescriptor(nullptr),

  299.           fDssiDescriptor(nullptr),

  300.           fRdfDescriptor(nullptr),

  301.           fAudioInBuffers(nullptr),

  302.           fAudioOutBuffers(nullptr),

  303.           fExtraStereoBuffer(),

  304.           fParamBuffers(nullptr),

  305.           fLatencyIndex(-1),

  306.           fForcedStereoIn(false),

  307.           fForcedStereoOut(false),

  308.           fNeedsFixedBuffers(false),

  309.           fUsesCustomData(false)

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

  311.         , fOscData(),

  312.           fThreadUI(engine, this, fOscData),

  313.           fUiFilename(nullptr)

  314. #endif

  315.     {

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

  317. 

  318.         carla_zeroPointers(fExtraStereoBuffer, 2);

  319.     }

  320. 

  321.     ~CarlaPluginLADSPADSSI() noexcept override

  322.     {

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

  324. 

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

  326.         // close UI

  327.         if (fUiFilename != nullptr)

  328.         {

  329.             showCustomUI(false);

  330. 

  331.             delete[] fUiFilename;

  332.             fUiFilename = nullptr;

  333.         }

  334. #endif

  335. 

  336.         pData->singleMutex.lock();

  337.         pData->masterMutex.lock();

  338. 

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

  340.             pData->client->deactivate(true);

  341. 

  342.         if (pData->active)

  343.         {

  344.             deactivate();

  345.             pData->active = false;

  346.         }

  347. 

  348.         if (fDescriptor != nullptr)

  349.         {

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

  351.             {

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

  353.                 {

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

  355.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  356. 

  357.                     try {

  358.                         fDescriptor->cleanup(handle);

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

  360.                 }

  361.             }

  362. 

  363.             fHandles.clear();

  364.             fDescriptor = nullptr;

  365.             fDssiDescriptor = nullptr;

  366.         }

  367. 

  368.         if (fRdfDescriptor != nullptr)

  369.         {

  370.             delete fRdfDescriptor;

  371.             fRdfDescriptor = nullptr;

  372.         }

  373. 

  374.         clearBuffers();

  375.     }

  376. 

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

  378.     // Information (base)

  379. 

  380.     PluginType getType() const noexcept override

  381.     {

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

  383.     }

  384. 

  385.     PluginCategory getCategory() const noexcept override

  386.     {

  387.         if (fRdfDescriptor != nullptr)

  388.         {

  389.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  390. 

  391.             // Specific Types

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

  393.                 return PLUGIN_CATEGORY_DELAY;

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

  395.                 return PLUGIN_CATEGORY_MODULATOR;

  396.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  397.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  399.                 return PLUGIN_CATEGORY_UTILITY;

  400. 

  401.             // Pre-set LADSPA Types

  402.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  403.                 return PLUGIN_CATEGORY_DYNAMICS;

  404.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  405.                 return PLUGIN_CATEGORY_MODULATOR;

  406.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  407.                 return PLUGIN_CATEGORY_EQ;

  408.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  409.                 return PLUGIN_CATEGORY_FILTER;

  410.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  411.                 return PLUGIN_CATEGORY_UTILITY;

  412.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  413.                 return PLUGIN_CATEGORY_OTHER;

  414.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  415.                 return PLUGIN_CATEGORY_DELAY;

  416.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  417.                 return PLUGIN_CATEGORY_SYNTH;

  418.         }

  419. 

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

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

  422.                 return PLUGIN_CATEGORY_SYNTH;

  423. 

  424.         return CarlaPlugin::getCategory();

  425.     }

  426. 

  427.     int64_t getUniqueId() const noexcept override

  428.     {

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

  430. 

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

  432.     }

  433. 

  434.     uint32_t getLatencyInFrames() const noexcept override

  435.     {

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

  437.             return 0;

  438. 

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

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

  441. 

  442.         return static_cast<uint32_t>(latency);

  443.     }

  444. 

  445.     // -------------------------------------------------------------------

  446.     // Information (count)

  447. 

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

  449.     {

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

  451. 

  452.         if (fRdfDescriptor == nullptr)

  453.             return 0;

  454. 

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

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

  457. 

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

  459.             return 0;

  460. 

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

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

  463.     }

  464. 

  465.     // -------------------------------------------------------------------

  466.     // Information (current data)

  467. 

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

  469.     {

  470.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  476. 

  477.         *dataPtr = nullptr;

  478. 

  479.         int ret = 0;

  480.         ulong dataSize = 0;

  481. 

  482.         try {

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

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

  485. 

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

  487.     }

  488. 

  489.     // -------------------------------------------------------------------

  490.     // Information (per-plugin data)

  491. 

  492.     uint getOptionsAvailable() const noexcept override

  493.     {

  494.         uint options = 0x0;

  495. 

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

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

  498.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  499. 

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

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

  502.             pass();

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

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

  505.             options |= PLUGIN_OPTION_FORCE_STEREO;

  506. 

  507.         if (fDssiDescriptor != nullptr)

  508.         {

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

  510.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  511. 

  512.             if (fUsesCustomData)

  513.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  514. 

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

  516.             {

  517.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  518.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  519.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  520.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  521.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  522.                 options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  523.             }

  524.         }

  525. 

  526.         return options;

  527.     }

  528. 

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

  530.     {

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

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

  533. 

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

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

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

  537. 

  538.         // not output, should be fine

  539.         return fParamBuffers[parameterId];

  540.     }

  541. 

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

  543.     {

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

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

  546. 

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

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

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

  550. 

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

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

  553. 

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

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

  556.     }

  557. 

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

  559.     {

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

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

  562. 

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

  564.         return true;

  565.     }

  566. 

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

  568.     {

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

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

  571. 

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

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

  574.         else

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

  576. 

  577.         return true;

  578.     }

  579. 

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

  581.     {

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

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

  584. 

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

  586.         return true;

  587.     }

  588. 

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

  590.     {

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

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

  593. 

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

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

  596.         else

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

  598. 

  599.         return true;

  600.     }

  601. 

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

  603.     {

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

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

  606. 

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

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

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

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

  611. 

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

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

  614. 

  615.         return true;

  616.     }

  617. 

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

  619.     {

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

  621. 

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

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

  624. 

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

  626.         {

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

  628. 

  629.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  630.             {

  631.                 switch (port.Unit)

  632.                 {

  633.                 case LADSPA_RDF_UNIT_DB:

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

  635.                     return true;

  636.                 case LADSPA_RDF_UNIT_COEF:

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

  638.                     return true;

  639.                 case LADSPA_RDF_UNIT_HZ:

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

  641.                     return true;

  642.                 case LADSPA_RDF_UNIT_S:

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

  644.                     return true;

  645.                 case LADSPA_RDF_UNIT_MS:

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

  647.                     return true;

  648.                 case LADSPA_RDF_UNIT_MIN:

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

  650.                     return true;

  651.                 }

  652.             }

  653.         }

  654. 

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

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

  657. 

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

  659.     }

  660. 

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

  662.     {

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

  664. 

  665.         if (fRdfDescriptor == nullptr)

  666.             return false;

  667. 

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

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

  670. 

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

  672.             return false;

  673. 

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

  675. 

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

  677.             return false;

  678. 

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

  680. 

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

  682.         return true;

  683.     }

  684. 

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

  686.     {

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

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

  689. 

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

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

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

  693. 

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

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

  696. 

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

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

  699. 

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

  701.         return true;

  702.     }

  703. 

  704.     // -------------------------------------------------------------------

  705.     // Set data (state)

  706. 

  707.     // nothing

  708. 

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

  710.     // Set data (internal stuff)

  711. 

  712.     void setId(const uint newId) noexcept override

  713.     {

  714.         CarlaPlugin::setId(newId);

  715. 

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

  717.         // FIXME - must be RT safe

  718.         showCustomUI(false);

  719.     }

  720. 

  721.     // -------------------------------------------------------------------

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

  723. 

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

  725.     {

  726.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  728. 

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

  730.         fParamBuffers[parameterId] = fixedValue;

  731. 

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

  733.     }

  734. 

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

  736.     {

  737.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  739. 

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

  741.         fParamBuffers[parameterId] = fixedValue;

  742. 

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

  744.     }

  745. 

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

  747.     {

  748.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  751.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  753. 

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

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

  756. 

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

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

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

  760. 

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

  762.         {

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

  764.             {

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

  766.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  767. 

  768.                 try {

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

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

  771.             }

  772.         }

  773. 

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

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

  776.             osc_send_configure(fOscData, key, value);

  777. #endif

  778. 

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

  780.         {

  781.             const ScopedSingleProcessLocker spl(this, true);

  782.             reloadPrograms(false);

  783.         }

  784. 

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

  786.     }

  787. 

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

  789.     {

  790.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  792.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  794.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  795.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  796. 

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

  798.         {

  799.             const ScopedSingleProcessLocker spl(this, true);

  800. 

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

  802.             {

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

  804.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  805. 

  806.                 try {

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

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

  809.             }

  810.         }

  811. 

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

  813.     }

  814. 

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

  816.     {

  817.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  821. 

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

  823.         {

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

  825. 

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

  827.         }

  828. 

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

  830.     }

  831. 

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

  833.     {

  834.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  837. 

  838.         setMidiProgramInDSSI(uindex);

  839. 

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

  841.     }

  842. 

  843.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  844.     {

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

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

  847. 

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

  849.         {

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

  851.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  852. 

  853.             try {

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

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

  856.         }

  857.     }

  858. 

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

  860.     // -------------------------------------------------------------------

  861.     // Set ui stuff

  862. 

  863.     void setCustomUITitle(const char* title) noexcept override

  864.     {

  865.         fThreadUI.setUITitle(title);

  866.         CarlaPlugin::setCustomUITitle(title);

  867.     }

  868. 

  869.     void showCustomUI(const bool yesNo) override

  870.     {

  871.         if (yesNo)

  872.         {

  873.             fOscData.clear();

  874.             fThreadUI.startThread();

  875.         }

  876.         else

  877.         {

  878. #ifndef BUILD_BRIDGE

  879.             pData->transientTryCounter = 0;

  880. #endif

  881. 

  882.             if (fOscData.target != nullptr)

  883.             {

  884.                 osc_send_hide(fOscData);

  885.                 osc_send_quit(fOscData);

  886.                 fOscData.clear();

  887.             }

  888. 

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

  890.         }

  891.     }

  892. #endif

  893. 

  894.     // -------------------------------------------------------------------

  895.     // Plugin state

  896. 

  897.     void reload() override

  898.     {

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

  900.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  903. 

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

  905. 

  906.         // Safely disable plugin for reload

  907.         const ScopedDisabler sd(this);

  908. 

  909.         if (pData->active)

  910.             deactivate();

  911. 

  912.         clearBuffers();

  913. 

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

  915.         const uint32_t portCount(getSafePortCount());

  916. 

  917.         uint32_t aIns, aOuts, mIns, params;

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

  919. 

  920.         bool forcedStereoIn, forcedStereoOut;

  921.         forcedStereoIn = forcedStereoOut = false;

  922. 

  923.         bool needsCtrlIn, needsCtrlOut;

  924.         needsCtrlIn = needsCtrlOut = false;

  925. 

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

  927.         {

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

  929. 

  930.             if (LADSPA_IS_PORT_AUDIO(portType))

  931.             {

  932.                 if (LADSPA_IS_PORT_INPUT(portType))

  933.                     aIns += 1;

  934.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  935.                     aOuts += 1;

  936.             }

  937.             else if (LADSPA_IS_PORT_CONTROL(portType))

  938.                 params += 1;

  939.         }

  940. 

  941.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  942.         {

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

  944.             {

  945.                 if (aIns == 1)

  946.                 {

  947.                     aIns = 2;

  948.                     forcedStereoIn = true;

  949.                 }

  950.                 if (aOuts == 1)

  951.                 {

  952.                     aOuts = 2;

  953.                     forcedStereoOut = true;

  954.                 }

  955.             }

  956.         }

  957. 

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

  959.         {

  960.             mIns = 1;

  961.             needsCtrlIn = true;

  962.         }

  963. 

  964.         if (aIns > 0)

  965.         {

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

  967.             fAudioInBuffers = new float*[aIns];

  968. 

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

  970.                 fAudioInBuffers[i] = nullptr;

  971.         }

  972. 

  973.         if (aOuts > 0)

  974.         {

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

  976.             fAudioOutBuffers = new float*[aOuts];

  977.             needsCtrlIn = true;

  978. 

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

  980.                 fAudioOutBuffers[i] = nullptr;

  981.         }

  982. 

  983.         if (params > 0)

  984.         {

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

  986. 

  987.             fParamBuffers = new float[params];

  988.             carla_zeroFloats(fParamBuffers, params);

  989.         }

  990. 

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

  992.         CarlaString portName;

  993. 

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

  995.         {

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

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

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

  999. 

  1000.             if (LADSPA_IS_PORT_AUDIO(portType))

  1001.             {

  1002.                 portName.clear();

  1003. 

  1004.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1005.                 {

  1006.                     portName  = pData->name;

  1007.                     portName += ":";

  1008.                 }

  1009. 

  1010.                 if (fDescriptor->PortNames[i] != nullptr && fDescriptor->PortNames[i][0] != '\0')

  1011.                 {

  1012.                     portName += fDescriptor->PortNames[i];

  1013.                 }

  1014.                 else

  1015.                 {

  1016.                     if (LADSPA_IS_PORT_INPUT(portType))

  1017.                     {

  1018.                         if (aIns > 1)

  1019.                         {

  1020.                             portName += "audio-in_";

  1021.                             portName += CarlaString(iAudioIn+1);

  1022.                         }

  1023.                         else

  1024.                             portName += "audio-in";

  1025.                     }

  1026.                     else

  1027.                     {

  1028.                         if (aOuts > 1)

  1029.                         {

  1030.                             portName += "audio-out_";

  1031.                             portName += CarlaString(iAudioOut+1);

  1032.                         }

  1033.                         else

  1034.                             portName += "audio-out";

  1035.                     }

  1036.                 }

  1037. 

  1038.                 portName.truncate(portNameSize);

  1039. 

  1040.                 if (LADSPA_IS_PORT_INPUT(portType))

  1041.                 {

  1042.                     const uint32_t j = iAudioIn++;

  1043.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1044.                     pData->audioIn.ports[j].rindex = i;

  1045. 

  1046.                     if (forcedStereoIn)

  1047.                     {

  1048.                         portName += "_2";

  1049.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1050.                         pData->audioIn.ports[1].rindex = i;

  1051.                     }

  1052.                 }

  1053.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1054.                 {

  1055.                     const uint32_t j = iAudioOut++;

  1056.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1057.                     pData->audioOut.ports[j].rindex = i;

  1058. 

  1059.                     if (forcedStereoOut)

  1060.                     {

  1061.                         portName += "_2";

  1062.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1063.                         pData->audioOut.ports[1].rindex = i;

  1064.                     }

  1065.                 }

  1066.                 else

  1067.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1068.             }

  1069.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1070.             {

  1071.                 const uint32_t j = iCtrl++;

  1072.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  1073.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  1074. 

  1075.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1076. 

  1077.                 float min, max, def, step, stepSmall, stepLarge;

  1078. 

  1079.                 // min value

  1080.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1081.                     min = portRangeHints.LowerBound;

  1082.                 else

  1083.                     min = 0.0f;

  1084. 

  1085.                 // max value

  1086.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1087.                     max = portRangeHints.UpperBound;

  1088.                 else

  1089.                     max = 1.0f;

  1090. 

  1091.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1092.                 {

  1093.                     min *= sampleRate;

  1094.                     max *= sampleRate;

  1095.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1096.                 }

  1097. 

  1098.                 if (min >= max)

  1099.                 {

  1100.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1101.                     max = min + 0.1f;

  1102.                 }

  1103. 

  1104.                 // default value

  1105.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1106.                     def = fRdfDescriptor->Ports[i].Default;

  1107.                 else

  1108.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1109. 

  1110.                 if (def < min)

  1111.                     def = min;

  1112.                 else if (def > max)

  1113.                     def = max;

  1114. 

  1115.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1116.                 {

  1117.                     step = max - min;

  1118.                     stepSmall = step;

  1119.                     stepLarge = step;

  1120.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1121.                 }

  1122.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1123.                 {

  1124.                     step = 1.0f;

  1125.                     stepSmall = 1.0f;

  1126.                     stepLarge = 10.0f;

  1127.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1128.                 }

  1129.                 else

  1130.                 {

  1131.                     const float range = max - min;

  1132.                     step = range/100.0f;

  1133.                     stepSmall = range/1000.0f;

  1134.                     stepLarge = range/10.0f;

  1135.                 }

  1136. 

  1137.                 if (LADSPA_IS_PORT_INPUT(portType))

  1138.                 {

  1139.                     pData->param.data[j].type   = PARAMETER_INPUT;

  1140.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1141.                     pData->param.data[j].hints |= PARAMETER_IS_AUTOMATABLE;

  1142.                     pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED;

  1143.                     needsCtrlIn = true;

  1144. 

  1145.                     // MIDI CC value

  1146.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1147.                     {

  1148.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1149.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1150.                         {

  1151.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1152.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1153.                                 pData->param.data[j].mappedControlIndex = cc;

  1154.                         }

  1155.                     }

  1156.                 }

  1157.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1158.                 {

  1159.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1160. 

  1161.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1162.                     {

  1163.                         min = 0.0f;

  1164.                         max = sampleRate;

  1165.                         def = 0.0f;

  1166.                         step = 1.0f;

  1167.                         stepSmall = 1.0f;

  1168.                         stepLarge = 1.0f;

  1169.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1170.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1171.                     }

  1172.                     else

  1173.                     {

  1174.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1175.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMATABLE;

  1176.                         needsCtrlOut = true;

  1177.                     }

  1178.                 }

  1179.                 else

  1180.                 {

  1181.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1182.                 }

  1183. 

  1184.                 // extra parameter hints

  1185.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1186.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1187. 

  1188.                 // check for scalepoints, require at least 2 to make it useful

  1189.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1190.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1191. 

  1192.                 pData->param.ranges[j].min = min;

  1193.                 pData->param.ranges[j].max = max;

  1194.                 pData->param.ranges[j].def = def;

  1195.                 pData->param.ranges[j].step = step;

  1196.                 pData->param.ranges[j].stepSmall = stepSmall;

  1197.                 pData->param.ranges[j].stepLarge = stepLarge;

  1198. 

  1199.                 // Start parameters in their default values

  1200.                 fParamBuffers[j] = def;

  1201. 

  1202.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1203.                 {

  1204.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1205.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1206. 

  1207.                     try {

  1208.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1209.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1210.                 }

  1211.             }

  1212.             else

  1213.             {

  1214.                 // Not Audio or Control

  1215.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1216. 

  1217.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1218.                 {

  1219.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1220.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1221. 

  1222.                     try {

  1223.                         fDescriptor->connect_port(handle, i, nullptr);

  1224.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1225.                 }

  1226.             }

  1227.         }

  1228. 

  1229.         if (needsCtrlIn)

  1230.         {

  1231.             portName.clear();

  1232. 

  1233.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1234.             {

  1235.                 portName  = pData->name;

  1236.                 portName += ":";

  1237.             }

  1238. 

  1239.             portName += "events-in";

  1240.             portName.truncate(portNameSize);

  1241. 

  1242.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1243. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1244.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1245. #endif

  1246.         }

  1247. 

  1248.         if (needsCtrlOut)

  1249.         {

  1250.             portName.clear();

  1251. 

  1252.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1253.             {

  1254.                 portName  = pData->name;

  1255.                 portName += ":";

  1256.             }

  1257. 

  1258.             portName += "events-out";

  1259.             portName.truncate(portNameSize);

  1260. 

  1261.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1262.         }

  1263. 

  1264.         if (forcedStereoIn || forcedStereoOut)

  1265.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1266.         else

  1267.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1268. 

  1269.         // plugin hints

  1270.         pData->hints = 0x0;

  1271. 

  1272.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1273.             pData->hints |= PLUGIN_IS_RTSAFE;

  1274. 

  1275. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1276.         if (fUiFilename != nullptr)

  1277.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1278. #endif

  1279. 

  1280. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1281.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1282.             pData->hints |= PLUGIN_CAN_DRYWET;

  1283. 

  1284.         if (aOuts > 0)

  1285.             pData->hints |= PLUGIN_CAN_VOLUME;

  1286. 

  1287.         if (aOuts >= 2 && aOuts % 2 == 0)

  1288.             pData->hints |= PLUGIN_CAN_BALANCE;

  1289. #endif

  1290. 

  1291.         // extra plugin hints

  1292.         pData->extraHints = 0x0;

  1293. 

  1294.         if (mIns > 0)

  1295.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1296. 

  1297.         // check initial latency

  1298.         findInitialLatencyValue(aIns, aOuts);

  1299. 

  1300.         fForcedStereoIn  = forcedStereoIn;

  1301.         fForcedStereoOut = forcedStereoOut;

  1302. 

  1303.         bufferSizeChanged(pData->engine->getBufferSize());

  1304.         reloadPrograms(true);

  1305. 

  1306.         if (pData->active)

  1307.             activate();

  1308. 

  1309.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1310.     }

  1311. 

  1312.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1313.     {

  1314.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1315.             return;

  1316. 

  1317.         // we need to pre-run the plugin so it can update its latency control-port

  1318.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1319.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1320. 

  1321.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1322.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1323. 

  1324.         for (uint32_t j=0; j < aIns; ++j)

  1325.         {

  1326.             tmpIn[j][0] = 0.0f;

  1327.             tmpIn[j][1] = 0.0f;

  1328. 

  1329.             try {

  1330.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1331.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1332.         }

  1333. 

  1334.         for (uint32_t j=0; j < aOuts; ++j)

  1335.         {

  1336.             tmpOut[j][0] = 0.0f;

  1337.             tmpOut[j][1] = 0.0f;

  1338. 

  1339.             try {

  1340.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

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

  1342.         }

  1343. 

  1344.         if (fDescriptor->activate != nullptr)

  1345.         {

  1346.             try {

  1347.                 fDescriptor->activate(handle);

  1348.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1349.         }

  1350. 

  1351.         try {

  1352.             fDescriptor->run(handle, 2);

  1353.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1354. 

  1355.         if (fDescriptor->deactivate != nullptr)

  1356.         {

  1357.             try {

  1358.                 fDescriptor->deactivate(handle);

  1359.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1360.         }

  1361. 

  1362.         // done, let's get the value

  1363.         if (const uint32_t latency = getLatencyInFrames())

  1364.         {

  1365.             pData->client->setLatency(latency);

  1366. #ifndef BUILD_BRIDGE

  1367.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1368. #endif

  1369.         }

  1370.     }

  1371. 

  1372.     void reloadPrograms(const bool doInit) override

  1373.     {

  1374.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1375. 

  1376.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1377.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1378. 

  1379.         const uint32_t oldCount = pData->midiprog.count;

  1380.         const int32_t  current  = pData->midiprog.current;

  1381. 

  1382.         // Delete old programs

  1383.         pData->midiprog.clear();

  1384. 

  1385.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1386.         if (fDssiDescriptor == nullptr)

  1387.             return;

  1388. 

  1389.         // Query new programs

  1390.         uint32_t newCount = 0;

  1391.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1392.         {

  1393.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1394.                 ++newCount;

  1395.         }

  1396. 

  1397.         if (newCount > 0)

  1398.         {

  1399.             pData->midiprog.createNew(newCount);

  1400. 

  1401.             // Update data

  1402.             for (uint32_t i=0; i < newCount; ++i)

  1403.             {

  1404.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1405.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1406.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1407. 

  1408.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1409.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1410.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1411.             }

  1412.         }

  1413. 

  1414.         if (doInit)

  1415.         {

  1416.             if (newCount > 0)

  1417.                 setMidiProgram(0, false, false, false, true);

  1418.         }

  1419.         else

  1420.         {

  1421.             // Check if current program is invalid

  1422.             bool programChanged = false;

  1423. 

  1424.             if (newCount == oldCount+1)

  1425.             {

  1426.                 // one midi program added, probably created by user

  1427.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1428.                 programChanged = true;

  1429.             }

  1430.             else if (current < 0 && newCount > 0)

  1431.             {

  1432.                 // programs exist now, but not before

  1433.                 pData->midiprog.current = 0;

  1434.                 programChanged = true;

  1435.             }

  1436.             else if (current >= 0 && newCount == 0)

  1437.             {

  1438.                 // programs existed before, but not anymore

  1439.                 pData->midiprog.current = -1;

  1440.                 programChanged = true;

  1441.             }

  1442.             else if (current >= static_cast<int32_t>(newCount))

  1443.             {

  1444.                 // current midi program > count

  1445.                 pData->midiprog.current = 0;

  1446.                 programChanged = true;

  1447.             }

  1448.             else

  1449.             {

  1450.                 // no change

  1451.                 pData->midiprog.current = current;

  1452.             }

  1453. 

  1454.             if (programChanged)

  1455.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1456. 

  1457.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1458.         }

  1459.     }

  1460. 

  1461.     // -------------------------------------------------------------------

  1462.     // Plugin processing

  1463. 

  1464.     void activate() noexcept override

  1465.     {

  1466.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1467. 

  1468.         if (fDescriptor->activate != 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->activate(handle);

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

  1478.             }

  1479.         }

  1480.     }

  1481. 

  1482.     void deactivate() noexcept override

  1483.     {

  1484.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1485. 

  1486.         if (fDescriptor->deactivate != nullptr)

  1487.         {

  1488.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1489.             {

  1490.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1491.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1492. 

  1493.                 try {

  1494.                     fDescriptor->deactivate(handle);

  1495.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1496.             }

  1497.         }

  1498.     }

  1499. 

  1500.     void process(const float* const* const audioIn, float** const audioOut,

  1501.                  const float* const* const cvIn, float**,

  1502.                  const uint32_t frames) override

  1503.     {

  1504.         // --------------------------------------------------------------------------------------------------------

  1505.         // Check if active

  1506. 

  1507.         if (! pData->active)

  1508.         {

  1509.             // disable any output sound

  1510.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1511.                 carla_zeroFloats(audioOut[i], frames);

  1512.             return;

  1513.         }

  1514. 

  1515.         ulong midiEventCount = 0;

  1516.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1517. 

  1518.         // --------------------------------------------------------------------------------------------------------

  1519.         // Check if needs reset

  1520. 

  1521.         if (pData->needsReset)

  1522.         {

  1523.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1524.             {

  1525.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1526. 

  1527.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1528.                 {

  1529.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1530.                     fMidiEvents[i].data.control.channel = i;

  1531.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1532. 

  1533.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1534.                     fMidiEvents[k+i].data.control.channel = i;

  1535.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1536.                 }

  1537.             }

  1538.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1539.             {

  1540.                 midiEventCount = MAX_MIDI_NOTE;

  1541. 

  1542.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1543.                 {

  1544.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1545.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1546.                     fMidiEvents[i].data.note.note    = i;

  1547.                 }

  1548.             }

  1549. 

  1550.             pData->needsReset = false;

  1551.         }

  1552. 

  1553.         // --------------------------------------------------------------------------------------------------------

  1554.         // Event Input and Processing

  1555. 

  1556.         if (pData->event.portIn != nullptr)

  1557.         {

  1558.             // ----------------------------------------------------------------------------------------------------

  1559.             // MIDI Input (External)

  1560. 

  1561.             if (pData->extNotes.mutex.tryLock())

  1562.             {

  1563.                 ExternalMidiNote note = { 0, 0, 0 };

  1564. 

  1565.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1566.                 {

  1567.                     note = pData->extNotes.data.getFirst(note, true);

  1568.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1569. 

  1570.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1571. 

  1572.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1573.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1574.                     seqEvent.data.note.note     = note.note;

  1575.                     seqEvent.data.note.velocity = note.velo;

  1576.                 }

  1577. 

  1578.                 pData->extNotes.mutex.unlock();

  1579. 

  1580.             } // End of MIDI Input (External)

  1581. 

  1582.             // ----------------------------------------------------------------------------------------------------

  1583.             // Event Input (System)

  1584. 

  1585. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1586.             bool allNotesOffSent = false;

  1587. #endif

  1588.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1589. 

  1590.             uint32_t startTime  = 0;

  1591.             uint32_t timeOffset = 0;

  1592.             uint32_t nextBankId;

  1593. 

  1594.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1595.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1596.             else

  1597.                 nextBankId = 0;

  1598. 

  1599. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1600.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1601.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1602. #endif

  1603. 

  1604.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1605.             {

  1606.                 EngineEvent& event(pData->event.portIn->getEvent(i));

  1607. 

  1608.                 uint32_t eventTime = event.time;

  1609.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1610. 

  1611.                 if (eventTime < timeOffset)

  1612.                 {

  1613.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1614.                                   eventTime, timeOffset, pData->name);

  1615.                     eventTime = timeOffset;

  1616.                 }

  1617. 

  1618.                 if (isSampleAccurate && eventTime > timeOffset)

  1619.                 {

  1620.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1621.                     {

  1622.                         startTime  = 0;

  1623.                         timeOffset = eventTime;

  1624.                         midiEventCount = 0;

  1625. 

  1626.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1627.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1628.                         else

  1629.                             nextBankId = 0;

  1630.                     }

  1631.                     else

  1632.                         startTime += timeOffset;

  1633.                 }

  1634. 

  1635.                 switch (event.type)

  1636.                 {

  1637.                 case kEngineEventTypeNull:

  1638.                     break;

  1639. 

  1640.                 case kEngineEventTypeControl: {

  1641.                     EngineControlEvent& ctrlEvent(event.ctrl);

  1642. 

  1643.                     switch (ctrlEvent.type)

  1644.                     {

  1645.                     case kEngineControlEventTypeNull:

  1646.                         break;

  1647. 

  1648.                     case kEngineControlEventTypeParameter: {

  1649.                         float value;

  1650. 

  1651. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1652.                         // non-midi

  1653.                         if (event.channel == kEngineEventNonMidiChannel)

  1654.                         {

  1655.                             const uint32_t k = ctrlEvent.param;

  1656.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1657. 

  1658.                             ctrlEvent.handled = true;

  1659.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1660.                             setParameterValueRT(k, value, true);

  1661.                             continue;

  1662.                         }

  1663. 

  1664.                         // Control backend stuff

  1665.                         if (event.channel == pData->ctrlChannel)

  1666.                         {

  1667.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1668.                             {

  1669.                                 ctrlEvent.handled = true;

  1670.                                 value = ctrlEvent.normalizedValue;

  1671.                                 setDryWetRT(value, true);

  1672.                             }

  1673.                             else if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1674.                             {

  1675.                                 ctrlEvent.handled = true;

  1676.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1677.                                 setVolumeRT(value, true);

  1678.                             }

  1679.                             else if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1680.                             {

  1681.                                 float left, right;

  1682.                                 value = ctrlEvent.normalizedValue/0.5f - 1.0f;

  1683. 

  1684.                                 if (value < 0.0f)

  1685.                                 {

  1686.                                     left  = -1.0f;

  1687.                                     right = (value*2.0f)+1.0f;

  1688.                                 }

  1689.                                 else if (value > 0.0f)

  1690.                                 {

  1691.                                     left  = (value*2.0f)-1.0f;

  1692.                                     right = 1.0f;

  1693.                                 }

  1694.                                 else

  1695.                                 {

  1696.                                     left  = -1.0f;

  1697.                                     right = 1.0f;

  1698.                                 }

  1699. 

  1700.                                 ctrlEvent.handled = true;

  1701.                                 setBalanceLeftRT(left, true);

  1702.                                 setBalanceRightRT(right, true);

  1703.                             }

  1704.                         }

  1705. #endif

  1706.                         // Control plugin parameters

  1707.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1708.                         {

  1709.                             if (pData->param.data[k].midiChannel != event.channel)

  1710.                                 continue;

  1711.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1712.                                 continue;

  1713.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1714.                                 continue;

  1715.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMATABLE) == 0)

  1716.                                 continue;

  1717. 

  1718.                             ctrlEvent.handled = true;

  1719.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1720.                             setParameterValueRT(k, value, true);

  1721.                         }

  1722. 

  1723.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1724.                         {

  1725.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1726.                                 continue;

  1727. 

  1728.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1729. 

  1730.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1731. 

  1732.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1734.                             seqEvent.data.control.param   = ctrlEvent.param;

  1735.                             seqEvent.data.control.value   = int8_t(ctrlEvent.normalizedValue*127.0f);

  1736.                         }

  1737. 

  1738. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1739.                         if (! ctrlEvent.handled)

  1740.                             checkForMidiLearn(event);

  1741. #endif

  1742.                         break;

  1743.                     } // case kEngineControlEventTypeParameter

  1744. 

  1745.                     case kEngineControlEventTypeMidiBank:

  1746.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1747.                             nextBankId = ctrlEvent.param;

  1748.                         break;

  1749. 

  1750.                     case kEngineControlEventTypeMidiProgram:

  1751.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1752.                         {

  1753.                             const uint32_t nextProgramId = ctrlEvent.param;

  1754. 

  1755.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1756.                             {

  1757.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1758.                                 {

  1759.                                     setMidiProgramRT(k, true);

  1760.                                     break;

  1761.                                 }

  1762.                             }

  1763.                         }

  1764.                         break;

  1765. 

  1766.                     case kEngineControlEventTypeAllSoundOff:

  1767.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1768.                         {

  1769.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1770.                                 continue;

  1771. 

  1772.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1773. 

  1774.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1775. 

  1776.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1777.                             seqEvent.data.control.channel = event.channel;

  1778.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1779.                         }

  1780.                         break;

  1781. 

  1782.                     case kEngineControlEventTypeAllNotesOff:

  1783.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1784.                         {

  1785. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1786.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1787.                             {

  1788.                                 allNotesOffSent = true;

  1789.                                 postponeRtAllNotesOff();

  1790.                             }

  1791. #endif

  1792. 

  1793.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1794.                                 continue;

  1795. 

  1796.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1797. 

  1798.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1799. 

  1800.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1801.                             seqEvent.data.control.channel = event.channel;

  1802.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1803.                         }

  1804.                         break;

  1805.                     } // switch (ctrlEvent.type)

  1806.                     break;

  1807.                 } // case kEngineEventTypeControl

  1808. 

  1809.                 case kEngineEventTypeMidi: {

  1810.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1811.                         continue;

  1812. 

  1813.                     const EngineMidiEvent& midiEvent(event.midi);

  1814. 

  1815.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1816.                         continue;

  1817. 

  1818.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1819. 

  1820.                     // Fix bad note-off (per DSSI spec)

  1821.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1822.                         status = MIDI_STATUS_NOTE_OFF;

  1823. 

  1824.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1825. 

  1826.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1827. 

  1828.                     switch (status)

  1829.                     {

  1830.                     case MIDI_STATUS_NOTE_OFF:

  1831.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1832.                         {

  1833.                             const uint8_t note = midiEvent.data[1];

  1834. 

  1835.                             seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1838. 

  1839.                             pData->postponeNoteOffRtEvent(true, event.channel, note);

  1840.                         }

  1841.                         break;

  1842. 

  1843.                     case MIDI_STATUS_NOTE_ON:

  1844.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1845.                         {

  1846.                             const uint8_t note = midiEvent.data[1];

  1847.                             const uint8_t velo = midiEvent.data[2];

  1848. 

  1849.                             seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1850.                             seqEvent.data.note.channel  = event.channel;

  1851.                             seqEvent.data.note.note     = note;

  1852.                             seqEvent.data.note.velocity = velo;

  1853. 

  1854.                             pData->postponeNoteOnRtEvent(true, event.channel, note, velo);

  1855.                         }

  1856.                         break;

  1857. 

  1858.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1859.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1860.                         {

  1861.                             const uint8_t note     = midiEvent.data[1];

  1862.                             const uint8_t pressure = midiEvent.data[2];

  1863. 

  1864.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1865.                             seqEvent.data.note.channel  = event.channel;

  1866.                             seqEvent.data.note.note     = note;

  1867.                             seqEvent.data.note.velocity = pressure;

  1868.                         }

  1869.                         break;

  1870. 

  1871.                     case MIDI_STATUS_CONTROL_CHANGE:

  1872.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1873.                         {

  1874.                             const uint8_t control = midiEvent.data[1];

  1875.                             const uint8_t value   = midiEvent.data[2];

  1876. 

  1877.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1878.                             seqEvent.data.control.channel = event.channel;

  1879.                             seqEvent.data.control.param   = control;

  1880.                             seqEvent.data.control.value   = value;

  1881.                         }

  1882.                         break;

  1883. 

  1884.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1885.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1886.                         {

  1887.                             const uint8_t pressure = midiEvent.data[1];

  1888. 

  1889.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1890.                             seqEvent.data.control.channel = event.channel;

  1891.                             seqEvent.data.control.value   = pressure;

  1892.                         }

  1893.                         break;

  1894. 

  1895.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1896.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1897.                         {

  1898.                             const uint8_t lsb = midiEvent.data[1];

  1899.                             const uint8_t msb = midiEvent.data[2];

  1900. 

  1901.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1902.                             seqEvent.data.control.channel = event.channel;

  1903.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1904.                         }

  1905.                         break;

  1906. 

  1907.                     default:

  1908.                         --midiEventCount;

  1909.                         break;

  1910.                     } // switch (status)

  1911.                 } break;

  1912.                 } // switch (event.type)

  1913.             }

  1914. 

  1915.             pData->postRtEvents.trySplice();

  1916. 

  1917.             if (frames > timeOffset)

  1918.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1919. 

  1920.         } // End of Event Input and Processing

  1921. 

  1922.         // --------------------------------------------------------------------------------------------------------

  1923.         // Plugin processing (no events)

  1924. 

  1925.         else

  1926.         {

  1927.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1928. 

  1929.         } // End of Plugin processing (no events)

  1930. 

  1931.         // --------------------------------------------------------------------------------------------------------

  1932.         // Control Output

  1933. 

  1934.         if (pData->event.portOut != nullptr)

  1935.         {

  1936.             uint8_t  channel;

  1937.             uint16_t param;

  1938.             float    value;

  1939. 

  1940.             for (uint32_t k=0; k < pData->param.count; ++k)

  1941.             {

  1942.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1943.                     continue;

  1944. 

  1945.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1946. 

  1947.                 if (pData->param.data[k].mappedControlIndex > 0)

  1948.                 {

  1949.                     channel = pData->param.data[k].midiChannel;

  1950.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1951.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1952.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter,

  1953.                                                             param, -1, value);

  1954.                 }

  1955.             }

  1956.         } // End of Control Output

  1957. 

  1958. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1959.         return;

  1960. 

  1961.         // unused

  1962.         (void)cvIn;

  1963. #endif

  1964.     }

  1965. 

  1966.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1967.                        const uint32_t timeOffset, const ulong midiEventCount)

  1968.     {

  1969.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1970. 

  1971.         if (pData->audioIn.count > 0)

  1972.         {

  1973.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1974.         }

  1975.         if (pData->audioOut.count > 0)

  1976.         {

  1977.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1978.         }

  1979. 

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

  1981.         // Try lock, silence otherwise

  1982. 

  1983. #ifndef STOAT_TEST_BUILD

  1984.         if (pData->engine->isOffline())

  1985.         {

  1986.             pData->singleMutex.lock();

  1987.         }

  1988.         else

  1989. #endif

  1990.         if (! pData->singleMutex.tryLock())

  1991.         {

  1992.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1993.             {

  1994.                 for (uint32_t k=0; k < frames; ++k)

  1995.                     audioOut[i][k+timeOffset] = 0.0f;

  1996.             }

  1997. 

  1998.             return false;

  1999.         }

  2000. 

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

  2002.         // Set audio buffers

  2003. 

  2004.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  2005.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  2006. 

  2007.         if (! customMonoOut)

  2008.         {

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

  2010.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  2011.         }

  2012. 

  2013.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2014.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2015. 

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

  2017.         // Run plugin

  2018. 

  2019.         uint instn = 0;

  2020.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2021.         {

  2022.             LADSPA_Handle const handle(it.getValue(nullptr));

  2023.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2024. 

  2025.             // ----------------------------------------------------------------------------------------------------

  2026.             // Mixdown for forced stereo

  2027. 

  2028.             if (customMonoOut)

  2029.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2030. 

  2031.             // ----------------------------------------------------------------------------------------------------

  2032.             // Run it

  2033. 

  2034.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2035.             {

  2036.                 try {

  2037.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2038.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2039.             }

  2040.             else

  2041.             {

  2042.                 try {

  2043.                     fDescriptor->run(handle, frames);

  2044.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2045.             }

  2046. 

  2047.             // ----------------------------------------------------------------------------------------------------

  2048.             // Mixdown for forced stereo

  2049. 

  2050.             if (customMonoOut)

  2051.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2052.             else if (customStereoOut)

  2053.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2054.         }

  2055. 

  2056.         if (customStereoOut)

  2057.         {

  2058.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2059.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2060.         }

  2061. 

  2062. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2063.         // --------------------------------------------------------------------------------------------------------

  2064.         // Post-processing (dry/wet, volume and balance)

  2065. 

  2066.         {

  2067.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2068.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2069.             const bool isMono    = (pData->audioIn.count == 1);

  2070. 

  2071.             bool isPair;

  2072.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  2073. 

  2074.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2075.             {

  2076.                 // Dry/Wet

  2077.                 if (doDryWet)

  2078.                 {

  2079.                     const uint32_t c = isMono ? 0 : i;

  2080. 

  2081.                     for (uint32_t k=0; k < frames; ++k)

  2082.                     {

  2083. # ifndef BUILD_BRIDGE

  2084.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2085.                             bufValue = pData->latency.buffers[c][k];

  2086.                         else if (pData->latency.frames < frames)

  2087.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2088.                         else

  2089. # endif

  2090.                             bufValue = fAudioInBuffers[c][k];

  2091. 

  2092.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2093.                     }

  2094.                 }

  2095. 

  2096.                 // Balance

  2097.                 if (doBalance)

  2098.                 {

  2099.                     isPair = (i % 2 == 0);

  2100. 

  2101.                     if (isPair)

  2102.                     {

  2103.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2104.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2105.                     }

  2106. 

  2107.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2108.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2109. 

  2110.                     for (uint32_t k=0; k < frames; ++k)

  2111.                     {

  2112.                         if (isPair)

  2113.                         {

  2114.                             // left

  2115.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2116.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2117.                         }

  2118.                         else

  2119.                         {

  2120.                             // right

  2121.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2122.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2123.                         }

  2124.                     }

  2125.                 }

  2126. 

  2127.                 // Volume (and buffer copy)

  2128.                 {

  2129.                     for (uint32_t k=0; k < frames; ++k)

  2130.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2131.                 }

  2132.             }

  2133. 

  2134.         } // End of Post-processing

  2135. 

  2136. # ifndef BUILD_BRIDGE

  2137.         // --------------------------------------------------------------------------------------------------------

  2138.         // Save latency values for next callback

  2139. 

  2140.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2141.         {

  2142.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2143.             const uint32_t latframes = pData->latency.frames;

  2144. 

  2145.             if (latframes <= frames)

  2146.             {

  2147.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2148.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2149.             }

  2150.             else

  2151.             {

  2152.                 const uint32_t diff = latframes - frames;

  2153. 

  2154.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2155.                 {

  2156.                     // push back buffer by 'frames'

  2157.                     for (k=0; k < diff; ++k)

  2158.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2159. 

  2160.                     // put current input at the end

  2161.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2162.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2163.                 }

  2164.             }

  2165.         }

  2166. # endif

  2167. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

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

  2169.         {

  2170.             for (uint32_t k=0; k < frames; ++k)

  2171.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2172.         }

  2173. #endif

  2174. 

  2175.         // --------------------------------------------------------------------------------------------------------

  2176. 

  2177.         pData->singleMutex.unlock();

  2178.         return true;

  2179.     }

  2180. 

  2181.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2182.     {

  2183.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2184.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2185. 

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

  2187.         {

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

  2189.                 delete[] fAudioInBuffers[i];

  2190. 

  2191.             fAudioInBuffers[i] = new float[newBufferSize];

  2192.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2193.         }

  2194. 

  2195.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2196.         {

  2197.             if (fAudioOutBuffers[i] != nullptr)

  2198.                 delete[] fAudioOutBuffers[i];

  2199. 

  2200.             fAudioOutBuffers[i] = new float[newBufferSize];

  2201.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2202.         }

  2203. 

  2204.         if (fExtraStereoBuffer[0] != nullptr)

  2205.         {

  2206.             delete[] fExtraStereoBuffer[0];

  2207.             fExtraStereoBuffer[0] = nullptr;

  2208.         }

  2209. 

  2210.         if (fExtraStereoBuffer[1] != nullptr)

  2211.         {

  2212.             delete[] fExtraStereoBuffer[1];

  2213.             fExtraStereoBuffer[1] = nullptr;

  2214.         }

  2215. 

  2216.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2217.         {

  2218.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2219.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2220.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2221.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2222.         }

  2223. 

  2224.         reconnectAudioPorts();

  2225. 

  2226.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2227.     }

  2228. 

  2229.     void sampleRateChanged(const double newSampleRate) override

  2230.     {

  2231.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2232.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2233. 

  2234.         // TODO - handle UI stuff

  2235. 

  2236.         if (pData->active)

  2237.             deactivate();

  2238. 

  2239.         const std::size_t instanceCount(fHandles.count());

  2240. 

  2241.         if (fDescriptor->cleanup != nullptr)

  2242.         {

  2243.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2244.             {

  2245.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2246.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2247. 

  2248.                 try {

  2249.                     fDescriptor->cleanup(handle);

  2250.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2251.             }

  2252.         }

  2253. 

  2254.         fHandles.clear();

  2255. 

  2256.         for (std::size_t i=0; i<instanceCount; ++i)

  2257.             addInstance();

  2258. 

  2259.         reconnectAudioPorts();

  2260. 

  2261.         if (pData->active)

  2262.             activate();

  2263. 

  2264.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2265.     }

  2266. 

  2267.     void reconnectAudioPorts() const noexcept

  2268.     {

  2269.         if (fForcedStereoIn)

  2270.         {

  2271.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2272.             {

  2273.                 try {

  2274.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2275.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2276.             }

  2277. 

  2278.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2279.             {

  2280.                 try {

  2281.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2282.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2283.             }

  2284.         }

  2285.         else

  2286.         {

  2287.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2288.             {

  2289.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2290.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2291. 

  2292.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2293.                 {

  2294.                     try {

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

  2296.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2297.                 }

  2298.             }

  2299.         }

  2300. 

  2301.         if (fForcedStereoOut)

  2302.         {

  2303.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2304.             {

  2305.                 try {

  2306.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2307.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2308.             }

  2309. 

  2310.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2311.             {

  2312.                 try {

  2313.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2314.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2315.             }

  2316.         }

  2317.         else

  2318.         {

  2319.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2320.             {

  2321.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2322.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2323. 

  2324.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2325.                 {

  2326.                     try {

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

  2328.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2329.                 }

  2330.             }

  2331.         }

  2332.     }

  2333. 

  2334.     // -------------------------------------------------------------------

  2335.     // Plugin buffers

  2336. 

  2337.     void clearBuffers() noexcept override

  2338.     {

  2339.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2340. 

  2341.         if (fAudioInBuffers != nullptr)

  2342.         {

  2343.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2344.             {

  2345.                 if (fAudioInBuffers[i] != nullptr)

  2346.                 {

  2347.                     delete[] fAudioInBuffers[i];

  2348.                     fAudioInBuffers[i] = nullptr;

  2349.                 }

  2350.             }

  2351. 

  2352.             delete[] fAudioInBuffers;

  2353.             fAudioInBuffers = nullptr;

  2354.         }

  2355. 

  2356.         if (fAudioOutBuffers != nullptr)

  2357.         {

  2358.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2359.             {

  2360.                 if (fAudioOutBuffers[i] != nullptr)

  2361.                 {

  2362.                     delete[] fAudioOutBuffers[i];

  2363.                     fAudioOutBuffers[i] = nullptr;

  2364.                 }

  2365.             }

  2366. 

  2367.             delete[] fAudioOutBuffers;

  2368.             fAudioOutBuffers = nullptr;

  2369.         }

  2370. 

  2371.         if (fExtraStereoBuffer[0] != nullptr)

  2372.         {

  2373.             delete[] fExtraStereoBuffer[0];

  2374.             fExtraStereoBuffer[0] = nullptr;

  2375.         }

  2376. 

  2377.         if (fExtraStereoBuffer[1] != nullptr)

  2378.         {

  2379.             delete[] fExtraStereoBuffer[1];

  2380.             fExtraStereoBuffer[1] = nullptr;

  2381.         }

  2382. 

  2383.         if (fParamBuffers != nullptr)

  2384.         {

  2385.             delete[] fParamBuffers;

  2386.             fParamBuffers = nullptr;

  2387.         }

  2388. 

  2389.         CarlaPlugin::clearBuffers();

  2390. 

  2391.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2392.     }

  2393. 

  2394. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2395.     // -------------------------------------------------------------------

  2396.     // OSC stuff

  2397. 

  2398.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2399.     {

  2400.         const lo_address source(lo_message_get_source(msg));

  2401.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2402. 

  2403.         // protocol for DSSI UIs *must* be UDP

  2404.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2405. 

  2406.         if (fOscData.source == nullptr)

  2407.         {

  2408.             // if no UI is registered yet only "configure" and "update" messages are valid

  2409.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2410.         }

  2411.         else

  2412.         {

  2413.             // make sure message source is the DSSI UI

  2414.             const char* const msghost = lo_address_get_hostname(source);

  2415.             const char* const msgport = lo_address_get_port(source);

  2416. 

  2417.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2418.             const char* const ourport = lo_address_get_port(fOscData.source);

  2419. 

  2420.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2421.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2422.         }

  2423. 

  2424.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2425. 

  2426.         if (std::strcmp(method, "configure") == 0)

  2427.             return handleOscMessageConfigure(argc, argv, types);

  2428.         if (std::strcmp(method, "control") == 0)

  2429.             return handleOscMessageControl(argc, argv, types);

  2430.         if (std::strcmp(method, "program") == 0)

  2431.             return handleOscMessageProgram(argc, argv, types);

  2432.         if (std::strcmp(method, "midi") == 0)

  2433.             return handleOscMessageMIDI(argc, argv, types);

  2434.         if (std::strcmp(method, "update") == 0)

  2435.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2436.         if (std::strcmp(method, "exiting") == 0)

  2437.             return handleOscMessageExiting();

  2438. 

  2439.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2440.     }

  2441. 

  2442.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2443.     {

  2444.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2445.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2446. 

  2447.         const char* const key   = (const char*)&argv[0]->s;

  2448.         const char* const value = (const char*)&argv[1]->s;

  2449. 

  2450.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2451.     }

  2452. 

  2453.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2454.     {

  2455.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2456.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2457. 

  2458.         const int32_t rindex = argv[0]->i;

  2459.         const float   value  = argv[1]->f;

  2460. 

  2461.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2462.     }

  2463. 

  2464.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2465.     {

  2466.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2467.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2468. 

  2469.         const int32_t bank    = argv[0]->i;

  2470.         const int32_t program = argv[1]->i;

  2471. 

  2472.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2473.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2474. 

  2475.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2476.     }

  2477. 

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

  2479.     {

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

  2481.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2482. 

  2483.         if (getMidiInCount() == 0)

  2484.         {

  2485.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2486.             return;

  2487.         }

  2488. 

  2489.         const uint8_t* const data = argv[0]->m;

  2490.         uint8_t status  = data[1];

  2491.         uint8_t channel = status & 0x0F;

  2492. 

  2493.         // Fix bad note-off

  2494.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2495.             status = MIDI_STATUS_NOTE_OFF;

  2496. 

  2497.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2498.         {

  2499.             const uint8_t note = data[2];

  2500. 

  2501.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2502. 

  2503.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2504.         }

  2505.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2506.         {

  2507.             const uint8_t note = data[2];

  2508.             const uint8_t velo = data[3];

  2509. 

  2510.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2511.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2512. 

  2513.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2514.         }

  2515.     }

  2516. 

  2517.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2518.     {

  2519.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2520.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2521. 

  2522.         const char* const url = (const char*)&argv[0]->s;

  2523. 

  2524.         // FIXME - remove debug prints later

  2525.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2526. 

  2527.         fOscData.clear();

  2528. 

  2529.         const int proto = lo_address_get_protocol(source);

  2530. 

  2531.         {

  2532.             const char* host = lo_address_get_hostname(source);

  2533.             const char* port = lo_address_get_port(source);

  2534.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2535. 

  2536.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2537.         }

  2538. 

  2539.         {

  2540.             char* host = lo_url_get_hostname(url);

  2541.             char* port = lo_url_get_port(url);

  2542.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2543.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2544.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2545. 

  2546.             std::free(host);

  2547.             std::free(port);

  2548.         }

  2549. 

  2550.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2551. 

  2552.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2553.         {

  2554.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2555.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2556. 

  2557.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2558.                 osc_send_configure(fOscData, customData.key, customData.value);

  2559.         }

  2560. 

  2561.         if (pData->prog.current >= 0)

  2562.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2563. 

  2564.         if (pData->midiprog.current >= 0)

  2565.         {

  2566.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2567.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2568.         }

  2569. 

  2570.         for (uint32_t i=0; i < pData->param.count; ++i)

  2571.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2572. 

  2573. #ifndef BUILD_BRIDGE

  2574.         if (pData->engine->getOptions().frontendWinId != 0)

  2575.             pData->transientTryCounter = 1;

  2576. #endif

  2577. 

  2578.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2579.     }

  2580. 

  2581.     void handleOscMessageExiting()

  2582.     {

  2583.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2584. 

  2585.         // hide UI

  2586.         showCustomUI(false);

  2587. 

  2588.         // tell frontend

  2589.         pData->engine->callback(true, true,

  2590.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2591.                                 pData->id,

  2592.                                 0,

  2593.                                 0, 0, 0.0f, nullptr);

  2594.     }

  2595. 

  2596.     // -------------------------------------------------------------------

  2597.     // Post-poned UI Stuff

  2598. 

  2599.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2600.     {

  2601.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2602. 

  2603.         if (fOscData.target == nullptr)

  2604.             return;

  2605. 

  2606.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2607.     }

  2608. 

  2609.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2610.     {

  2611.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2612. 

  2613.         if (fOscData.target == nullptr)

  2614.             return;

  2615. 

  2616.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2617.     }

  2618. 

  2619.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2620.     {

  2621.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2622.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2623.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2624. 

  2625.         if (fOscData.target == nullptr)

  2626.             return;

  2627. 

  2628. #if 0

  2629.         uint8_t midiData[4];

  2630.         midiData[0] = 0;

  2631.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2632.         midiData[2] = note;

  2633.         midiData[3] = velo;

  2634. 

  2635.         osc_send_midi(fOscData, midiData);

  2636. #endif

  2637.     }

  2638. 

  2639.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2640.     {

  2641.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2642.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2643. 

  2644.         if (fOscData.target == nullptr)

  2645.             return;

  2646. 

  2647. #if 0

  2648.         uint8_t midiData[4];

  2649.         midiData[0] = 0;

  2650.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2651.         midiData[2] = note;

  2652.         midiData[3] = 0;

  2653. 

  2654.         osc_send_midi(fOscData, midiData);

  2655. #endif

  2656.     }

  2657. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2658. 

  2659.     // -------------------------------------------------------------------

  2660. 

  2661.     const void* getNativeDescriptor() const noexcept override

  2662.     {

  2663.         return fDssiDescriptor != nullptr

  2664.                ? (const void*)fDssiDescriptor

  2665.                : (const void*)fDescriptor;

  2666.     }

  2667. 

  2668.     const void* getExtraStuff() const noexcept override

  2669.     {

  2670.         if (fDssiDescriptor != nullptr)

  2671.         {

  2672. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2673.             return fUiFilename;

  2674. #else

  2675.             return nullptr;

  2676. #endif

  2677.         }

  2678.         return fRdfDescriptor;

  2679.     }

  2680. 

  2681. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2682.     uintptr_t getUiBridgeProcessId() const noexcept override

  2683.     {

  2684.         return fThreadUI.getProcessId();

  2685.     }

  2686. #endif

  2687. 

  2688.     // -------------------------------------------------------------------

  2689. 

  2690.     bool initLADSPA(const CarlaPluginPtr plugin,

  2691.                     const char* const filename, const char* name, const char* const label, const uint options,

  2692.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2693.     {

  2694.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2695. 

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

  2697.         // first checks

  2698. 

  2699.         if (pData->client != nullptr)

  2700.         {

  2701.             pData->engine->setLastError("Plugin client is already registered");

  2702.             return false;

  2703.         }

  2704. 

  2705.         if (filename == nullptr || filename[0] == '\0')

  2706.         {

  2707.             pData->engine->setLastError("null filename");

  2708.             return false;

  2709.         }

  2710. 

  2711.         // ---------------------------------------------------------------

  2712.         // open DLL

  2713. 

  2714.         if (! pData->libOpen(filename))

  2715.         {

  2716.             pData->engine->setLastError(pData->libError(filename));

  2717.             return false;

  2718.         }

  2719. 

  2720.         // ---------------------------------------------------------------

  2721.         // get DLL main entry

  2722. 

  2723.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2724. 

  2725.         if (descFn == nullptr)

  2726.         {

  2727.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2728.             return false;

  2729.         }

  2730. 

  2731.         // ---------------------------------------------------------------

  2732.         // get descriptor that matches label

  2733. 

  2734.         // if label is null, get first valid plugin

  2735.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2736. 

  2737.         for (ulong d=0;; ++d)

  2738.         {

  2739.             try {

  2740.                 fDescriptor = descFn(d);

  2741.             }

  2742.             catch(...) {

  2743.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2744.                 fDescriptor = nullptr;

  2745.                 break;

  2746.             }

  2747. 

  2748.             if (fDescriptor == nullptr)

  2749.                 break;

  2750. 

  2751.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2752.             {

  2753.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2754.                 fDescriptor = nullptr;

  2755.                 break;

  2756.             }

  2757.             if (fDescriptor->run == nullptr)

  2758.             {

  2759.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2760.                 fDescriptor = nullptr;

  2761.                 break;

  2762.             }

  2763. 

  2764.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2765.                 break;

  2766.         }

  2767. 

  2768.         if (fDescriptor == nullptr)

  2769.         {

  2770.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2771.             return false;

  2772.         }

  2773. 

  2774.         return init2(plugin, filename, name, options, rdfDescriptor);

  2775.     }

  2776. 

  2777.     bool initDSSI(const CarlaPluginPtr plugin,

  2778.                   const char* const filename, const char* name, const char* const label, const uint options)

  2779.     {

  2780.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2781. 

  2782.         // ---------------------------------------------------------------

  2783.         // first checks

  2784. 

  2785.         if (pData->client != nullptr)

  2786.         {

  2787.             pData->engine->setLastError("Plugin client is already registered");

  2788.             return false;

  2789.         }

  2790. 

  2791.         if (filename == nullptr || filename[0] == '\0')

  2792.         {

  2793.             pData->engine->setLastError("null filename");

  2794.             return false;

  2795.         }

  2796. 

  2797.         // ---------------------------------------------------------------

  2798.         // open DLL

  2799. 

  2800.         if (! pData->libOpen(filename))

  2801.         {

  2802.             pData->engine->setLastError(pData->libError(filename));

  2803.             return false;

  2804.         }

  2805. 

  2806.         // ---------------------------------------------------------------

  2807.         // get DLL main entry

  2808. 

  2809.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2810. 

  2811.         if (descFn == nullptr)

  2812.         {

  2813.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2814.             return false;

  2815.         }

  2816. 

  2817.         // ---------------------------------------------------------------

  2818.         // get descriptor that matches label

  2819. 

  2820.         // if label is null, get first valid plugin

  2821.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2822. 

  2823.         for (ulong d=0;; ++d)

  2824.         {

  2825.             try {

  2826.                 fDssiDescriptor = descFn(d);

  2827.             }

  2828.             catch(...) {

  2829.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2830.                 fDescriptor     = nullptr;

  2831.                 fDssiDescriptor = nullptr;

  2832.                 break;

  2833.             }

  2834. 

  2835.             if (fDssiDescriptor == nullptr)

  2836.                 break;

  2837. 

  2838.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2839. 

  2840.             if (fDescriptor == nullptr)

  2841.             {

  2842.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2843.                 fDssiDescriptor = nullptr;

  2844.                 break;

  2845.             }

  2846.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2847.             {

  2848.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2849.                 fDescriptor     = nullptr;

  2850.                 fDssiDescriptor = nullptr;

  2851.                 break;

  2852.             }

  2853.             if (fDescriptor->run == nullptr)

  2854.             {

  2855.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2856.                 fDescriptor     = nullptr;

  2857.                 fDssiDescriptor = nullptr;

  2858.                 break;

  2859.             }

  2860. 

  2861.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2862.                 break;

  2863.         }

  2864. 

  2865.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2866.         {

  2867.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2868.             return false;

  2869.         }

  2870. 

  2871.         // ---------------------------------------------------------------

  2872.         // check if uses global instance

  2873. 

  2874.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2875.         {

  2876.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2877.             return false;

  2878.         }

  2879. 

  2880.         return init2(plugin, filename, name, options, nullptr);

  2881.     }

  2882. 

  2883.     bool init2(const CarlaPluginPtr plugin,

  2884.                const char* const filename, const char* name, const uint options,

  2885.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2886.     {

  2887.         // ---------------------------------------------------------------

  2888.         // check for fixed buffer size requirement

  2889. 

  2890.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2891. 

  2892.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2893.         {

  2894.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2895.                                         "The plugin requires a fixed block size which is not possible right now.");

  2896.             return false;

  2897.         }

  2898. 

  2899.         // ---------------------------------------------------------------

  2900.         // get info

  2901. 

  2902.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2903.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2904. 

  2905.         if (name == nullptr || name[0] == '\0')

  2906.         {

  2907.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2908.                 name = fRdfDescriptor->Title;

  2909.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2910.                 name = fDescriptor->Name;

  2911.             else

  2912.                 name = fDescriptor->Label;

  2913.         }

  2914. 

  2915.         pData->name = pData->engine->getUniquePluginName(name);

  2916.         pData->filename = carla_strdup(filename);

  2917. 

  2918.         // ---------------------------------------------------------------

  2919.         // register client

  2920. 

  2921.         pData->client = pData->engine->addClient(plugin);

  2922. 

  2923.         if (pData->client == nullptr || ! pData->client->isOk())

  2924.         {

  2925.             pData->engine->setLastError("Failed to register plugin client");

  2926.             return false;

  2927.         }

  2928. 

  2929.         // ---------------------------------------------------------------

  2930.         // initialize plugin

  2931. 

  2932.         if (! addInstance())

  2933.             return false;

  2934. 

  2935.         // ---------------------------------------------------------------

  2936.         // find latency port index

  2937. 

  2938.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2939.         {

  2940.             const int portType(fDescriptor->PortDescriptors[i]);

  2941. 

  2942.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2943.                 continue;

  2944. 

  2945.             const uint32_t index(iCtrl++);

  2946. 

  2947.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2948.                 continue;

  2949. 

  2950.             const char* const portName(fDescriptor->PortNames[i]);

  2951.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2952. 

  2953.             if (std::strcmp(portName, "latency")  == 0 ||

  2954.                 std::strcmp(portName, "_latency") == 0)

  2955.             {

  2956.                 fLatencyIndex = static_cast<int32_t>(index);

  2957.                 break;

  2958.             }

  2959.         }

  2960. 

  2961.         // ---------------------------------------------------------------

  2962.         // check for custom data extension

  2963. 

  2964.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2965.         {

  2966.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2967.             {

  2968.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2969.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2970.                     fUsesCustomData = true;

  2971. 

  2972.                 std::free(error);

  2973.             }

  2974.         }

  2975. 

  2976.         // ---------------------------------------------------------------

  2977.         // get engine options

  2978. 

  2979.         const EngineOptions& opts(pData->engine->getOptions());

  2980. 

  2981. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2982.         // ---------------------------------------------------------------

  2983.         // check for gui

  2984. 

  2985.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2986.         {

  2987.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2988.             {

  2989.                 fUiFilename = guiFilename;

  2990. 

  2991.                 CarlaString uiTitle;

  2992. 

  2993.                 if (pData->uiTitle.isNotEmpty())

  2994.                 {

  2995.                     uiTitle = pData->uiTitle;

  2996.                 }

  2997.                 else

  2998.                 {

  2999.                     uiTitle  = pData->name;

  3000.                     uiTitle += " (GUI)";

  3001.                 }

  3002. 

  3003.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  3004.             }

  3005.         }

  3006. #endif

  3007. 

  3008.         // ---------------------------------------------------------------

  3009.         // set options

  3010. 

  3011.         pData->options = 0x0;

  3012. 

  3013.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3014.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3015.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3016.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3017. 

  3018.         /**/ if (opts.forceStereo)

  3019.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3020.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3021.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3022. 

  3023.         if (fDssiDescriptor != nullptr)

  3024.         {

  3025.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3026.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3027.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3028. 

  3029.             if (fUsesCustomData)

  3030.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3031.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3032. 

  3033.             if (fDssiDescriptor->run_synth != nullptr)

  3034.             {

  3035.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3036.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3037.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3038.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3039.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3040.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3041.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3042.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3043.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3044.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3045.                 if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  3046.                     pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  3047.             }

  3048.         }

  3049. 

  3050.         return true;

  3051.     }

  3052. 

  3053.     // -------------------------------------------------------------------

  3054. 

  3055. private:

  3056.     LinkedList<LADSPA_Handle>    fHandles;

  3057.     const LADSPA_Descriptor*     fDescriptor;

  3058.     const DSSI_Descriptor*       fDssiDescriptor;

  3059.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3060. 

  3061.     float** fAudioInBuffers;

  3062.     float** fAudioOutBuffers;

  3063.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3064.     float*  fParamBuffers;

  3065. 

  3066.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3067. 

  3068.     int32_t fLatencyIndex; // -1 if invalid

  3069.     bool    fForcedStereoIn;

  3070.     bool    fForcedStereoOut;

  3071.     bool    fNeedsFixedBuffers;

  3072.     bool    fUsesCustomData;

  3073. 

  3074. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  3075.     CarlaOscData      fOscData;

  3076.     CarlaThreadDSSIUI fThreadUI;

  3077.     const char*       fUiFilename;

  3078. #endif

  3079. 

  3080.     // -------------------------------------------------------------------

  3081. 

  3082.     bool addInstance()

  3083.     {

  3084.         LADSPA_Handle handle;

  3085. 

  3086.         try {

  3087.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3088.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3089. 

  3090.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3091.         {

  3092.             const int32_t rindex(pData->param.data[i].rindex);

  3093.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3094. 

  3095.             try {

  3096.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3097.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3098.         }

  3099. 

  3100.         if (fHandles.append(handle))

  3101.             return true;

  3102. 

  3103.         try {

  3104.             fDescriptor->cleanup(handle);

  3105.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3106. 

  3107.         pData->engine->setLastError("Out of memory");

  3108.         return false;

  3109.     }

  3110. 

  3111.     uint32_t getSafePortCount() const noexcept

  3112.     {

  3113.         if (fDescriptor->PortCount == 0)

  3114.             return 0;

  3115. 

  3116.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3117.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3118.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3119. 

  3120.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3121.     }

  3122. 

  3123.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3124.     {

  3125.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3126.             return true;

  3127.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3128.             return true;

  3129.         return false;

  3130.     }

  3131. 

  3132.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3133.                                                      const bool wantName, const bool useBracket) noexcept

  3134.     {

  3135.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3136. 

  3137.         if (sepBracketStart == nullptr)

  3138.             return false;

  3139. 

  3140.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3141. 

  3142.         if (sepBracketEnd == nullptr)

  3143.             return false;

  3144. 

  3145.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3146. 

  3147.         if (unitSize > 7) // very unlikely to have such big unit

  3148.             return false;

  3149. 

  3150.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3151. 

  3152.         // just in case

  3153.         if (sepIndex > STR_MAX-3)

  3154.             return false;

  3155. 

  3156.         if (wantName)

  3157.         {

  3158.             std::strncpy(strBuf, paramName, sepIndex);

  3159.             strBuf[sepIndex] = '\0';

  3160.         }

  3161.         else

  3162.         {

  3163.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3164.             strBuf[unitSize] = '\0';

  3165.         }

  3166. 

  3167.         return true;

  3168.     }

  3169. 

  3170.     // -------------------------------------------------------------------

  3171. 

  3172.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3173. };

  3174. 

  3175. // -------------------------------------------------------------------------------------------------------------------

  3176. 

  3177. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3178. {

  3179.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3180.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3181. 

  3182.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3183. 

  3184.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3185.         return nullptr;

  3186. 

  3187.     return plugin;

  3188. }

  3189. 

  3190. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3191. {

  3192.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3193.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3194. 

  3195.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3196. 

  3197.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3198.         return nullptr;

  3199. 

  3200.     return plugin;

  3201. }

  3202. 

  3203. // -------------------------------------------------------------------------------------------------------------------

  3204. 

  3205. CARLA_BACKEND_END_NAMESPACE