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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.     uintptr_t getProcessId() const noexcept

  102.     {

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

  104. 

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

  106.     }

  107. 

  108.     void run()

  109.     {

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

  111. 

  112.         if (fProcess == nullptr)

  113.         {

  114.             fProcess = new ChildProcess();

  115.         }

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

  117.         {

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

  119. 

  120.             fProcess->kill();

  121.             fProcess = nullptr;

  122.             kEngine->callback(true, true,

  123.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  124.                               kPlugin->getId(),

  125.                               0,

  126.                               0, 0, 0.0f, nullptr);

  127.             return;

  128.         }

  129. 

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

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

  132. 

  133.         if (name.isEmpty())

  134.             name = "(none)";

  135. 

  136.         if (filename.isEmpty())

  137.             filename = "\"\"";

  138. 

  139.         StringArray arguments;

  140. 

  141.         // binary

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

  143. 

  144.         // osc-url

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

  146. 

  147.         // filename

  148.         arguments.add(filename);

  149. 

  150.         // label

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

  152. 

  153.         // ui-title

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

  155. 

  156.         bool started;

  157. 

  158.         {

  159. #ifdef CARLA_OS_LINUX

  160.             /*

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

  162.              * If not, unset LD_PRELOAD.

  163.              */

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

  165. 

  166.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  167.             char winIdStr[STR_MAX+1];

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

  169. 

  170.             // for LD_PRELOAD

  171.             CarlaString ldPreloadValue;

  172. 

  173.             if (winId != 0)

  174.             {

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

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

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

  178.             }

  179.             else

  180.             {

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

  182.             }

  183. 

  184.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  187. #endif // CARLA_OS_LINUX

  188. 

  189.             // start the DSSI UI application

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

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

  192.         }

  193. 

  194.         if (! started)

  195.         {

  196.             carla_stdout("failed!");

  197.             fProcess = nullptr;

  198.             return;

  199.         }

  200. 

  201.         if (waitForOscGuiShow())

  202.         {

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

  204.                 carla_sleep(1);

  205. 

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

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

  208.             {

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

  210. 

  211.                 if (fProcess->isRunning())

  212.                 {

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

  214.                     fProcess->kill();

  215.                 }

  216.                 else

  217.                 {

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

  219.                 }

  220.             }

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

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

  223.             else

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

  225.         }

  226.         else

  227.         {

  228.             fProcess->kill();

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

  230.         }

  231. 

  232.         fProcess = nullptr;

  233.         kEngine->callback(true, true,

  234.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  235.                           kPlugin->getId(),

  236.                           0,

  237.                           0, 0, 0.0f, nullptr);

  238. 

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

  240.     }

  241. 

  242. private:

  243.     CarlaEngine* const kEngine;

  244.     CarlaPlugin* const kPlugin;

  245. 

  246.     CarlaString fBinary;

  247.     CarlaString fLabel;

  248.     CarlaString fUiTitle;

  249. 

  250.     const CarlaOscData& fOscData;

  251.     CarlaScopedPointer<ChildProcess> fProcess;

  252. 

  253.     bool waitForOscGuiShow()

  254.     {

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

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

  257. 

  258.         // wait for UI 'update' call

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

  260.         {

  261.             if (fOscData.target != nullptr)

  262.             {

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

  264.                 osc_send_show(fOscData);

  265.                 return true;

  266.             }

  267. 

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

  269.                 carla_msleep(100);

  270.             else

  271.                 return false;

  272.         }

  273. 

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

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

  276.         return false;

  277.     }

  278. 

  279.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  280. };

  281. #endif

  282. 

  283. // -----------------------------------------------------

  284. 

  285. class CarlaPluginLADSPADSSI : public CarlaPlugin

  286. {

  287. public:

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

  289.         : CarlaPlugin(engine, id),

  290.           fHandles(),

  291.           fDescriptor(nullptr),

  292.           fDssiDescriptor(nullptr),

  293.           fRdfDescriptor(nullptr),

  294.           fAudioInBuffers(nullptr),

  295.           fAudioOutBuffers(nullptr),

  296.           fExtraStereoBuffer(),

  297.           fParamBuffers(nullptr),

  298.           fLatencyIndex(-1),

  299.           fForcedStereoIn(false),

  300.           fForcedStereoOut(false),

  301.           fNeedsFixedBuffers(false),

  302.           fUsesCustomData(false)

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

  304.         , fOscData(),

  305.           fThreadUI(engine, this, fOscData),

  306.           fUiFilename(nullptr)

  307. #endif

  308.     {

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

  310. 

  311.         carla_zeroPointers(fExtraStereoBuffer, 2);

  312.     }

  313. 

  314.     ~CarlaPluginLADSPADSSI() noexcept override

  315.     {

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

  317. 

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

  319.         // close UI

  320.         if (fUiFilename != nullptr)

  321.         {

  322.             showCustomUI(false);

  323. 

  324.             delete[] fUiFilename;

  325.             fUiFilename = nullptr;

  326.         }

  327. #endif

  328. 

  329.         pData->singleMutex.lock();

  330.         pData->masterMutex.lock();

  331. 

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

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

  334. 

  335.         if (pData->active)

  336.         {

  337.             deactivate();

  338.             pData->active = false;

  339.         }

  340. 

  341.         if (fDescriptor != nullptr)

  342.         {

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

  344.             {

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

  346.                 {

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

  348.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  349. 

  350.                     try {

  351.                         fDescriptor->cleanup(handle);

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

  353.                 }

  354.             }

  355. 

  356.             fHandles.clear();

  357.             fDescriptor = nullptr;

  358.             fDssiDescriptor = nullptr;

  359.         }

  360. 

  361.         if (fRdfDescriptor != nullptr)

  362.         {

  363.             delete fRdfDescriptor;

  364.             fRdfDescriptor = nullptr;

  365.         }

  366. 

  367.         clearBuffers();

  368.     }

  369. 

  370.     // -------------------------------------------------------------------

  371.     // Information (base)

  372. 

  373.     PluginType getType() const noexcept override

  374.     {

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

  376.     }

  377. 

  378.     PluginCategory getCategory() const noexcept override

  379.     {

  380.         if (fRdfDescriptor != nullptr)

  381.         {

  382.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  383. 

  384.             // Specific Types

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

  386.                 return PLUGIN_CATEGORY_DELAY;

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

  388.                 return PLUGIN_CATEGORY_MODULATOR;

  389.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  390.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  392.                 return PLUGIN_CATEGORY_UTILITY;

  393. 

  394.             // Pre-set LADSPA Types

  395.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  396.                 return PLUGIN_CATEGORY_DYNAMICS;

  397.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  398.                 return PLUGIN_CATEGORY_MODULATOR;

  399.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  400.                 return PLUGIN_CATEGORY_EQ;

  401.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  402.                 return PLUGIN_CATEGORY_FILTER;

  403.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  404.                 return PLUGIN_CATEGORY_UTILITY;

  405.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  406.                 return PLUGIN_CATEGORY_OTHER;

  407.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  408.                 return PLUGIN_CATEGORY_DELAY;

  409.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  410.                 return PLUGIN_CATEGORY_SYNTH;

  411.         }

  412. 

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

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

  415.                 return PLUGIN_CATEGORY_SYNTH;

  416. 

  417.         return CarlaPlugin::getCategory();

  418.     }

  419. 

  420.     int64_t getUniqueId() const noexcept override

  421.     {

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

  423. 

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

  425.     }

  426. 

  427.     uint32_t getLatencyInFrames() const noexcept override

  428.     {

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

  430.             return 0;

  431. 

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

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

  434. 

  435.         return static_cast<uint32_t>(latency);

  436.     }

  437. 

  438.     // -------------------------------------------------------------------

  439.     // Information (count)

  440. 

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

  442.     {

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

  444. 

  445.         if (fRdfDescriptor == nullptr)

  446.             return 0;

  447. 

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

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

  450. 

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

  452.             return 0;

  453. 

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

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

  456.     }

  457. 

  458.     // -------------------------------------------------------------------

  459.     // Information (current data)

  460. 

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

  462.     {

  463.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  469. 

  470.         *dataPtr = nullptr;

  471. 

  472.         int ret = 0;

  473.         ulong dataSize = 0;

  474. 

  475.         try {

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

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

  478. 

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

  480.     }

  481. 

  482.     // -------------------------------------------------------------------

  483.     // Information (per-plugin data)

  484. 

  485.     uint getOptionsAvailable() const noexcept override

  486.     {

  487.         uint options = 0x0;

  488. 

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

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

  491.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  492. 

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

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

  495.             pass();

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

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

  498.             options |= PLUGIN_OPTION_FORCE_STEREO;

  499. 

  500.         if (fDssiDescriptor != nullptr)

  501.         {

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

  503.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  504. 

  505.             if (fUsesCustomData)

  506.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  507. 

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

  509.             {

  510.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  511.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  512.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  513.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  514.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  515.             }

  516.         }

  517. 

  518.         return options;

  519.     }

  520. 

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

  522.     {

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

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

  525. 

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

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

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

  529. 

  530.         // not output, should be fine

  531.         return fParamBuffers[parameterId];

  532.     }

  533. 

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

  535.     {

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

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

  538. 

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

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

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

  542. 

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

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

  545. 

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

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

  548.     }

  549. 

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

  551.     {

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

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

  554. 

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

  556.         return true;

  557.     }

  558. 

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

  560.     {

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

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

  563. 

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

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

  566.         else

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

  568. 

  569.         return true;

  570.     }

  571. 

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

  573.     {

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

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

  576. 

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

  578.         return true;

  579.     }

  580. 

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

  582.     {

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

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

  585. 

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

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

  588.         else

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

  590. 

  591.         return true;

  592.     }

  593. 

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

  595.     {

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

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

  598. 

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

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

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

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

  603. 

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

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

  606. 

  607.         return true;

  608.     }

  609. 

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

  611.     {

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

  613. 

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

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

  616. 

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

  618.         {

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

  620. 

  621.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  622.             {

  623.                 switch (port.Unit)

  624.                 {

  625.                 case LADSPA_RDF_UNIT_DB:

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

  627.                     return true;

  628.                 case LADSPA_RDF_UNIT_COEF:

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

  630.                     return true;

  631.                 case LADSPA_RDF_UNIT_HZ:

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

  633.                     return true;

  634.                 case LADSPA_RDF_UNIT_S:

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

  636.                     return true;

  637.                 case LADSPA_RDF_UNIT_MS:

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

  639.                     return true;

  640.                 case LADSPA_RDF_UNIT_MIN:

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

  642.                     return true;

  643.                 }

  644.             }

  645.         }

  646. 

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

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

  649. 

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

  651.     }

  652. 

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

  654.     {

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

  656. 

  657.         if (fRdfDescriptor == nullptr)

  658.             return false;

  659. 

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

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

  662. 

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

  664.             return false;

  665. 

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

  667. 

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

  669.             return false;

  670. 

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

  672. 

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

  674.         return true;

  675.     }

  676. 

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

  678.     {

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

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

  681. 

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

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

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

  685. 

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

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

  688. 

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

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

  691. 

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

  693.         return true;

  694.     }

  695. 

  696.     // -------------------------------------------------------------------

  697.     // Set data (state)

  698. 

  699.     // nothing

  700. 

  701.     // -------------------------------------------------------------------

  702.     // Set data (internal stuff)

  703. 

  704.     void setId(const uint newId) noexcept override

  705.     {

  706.         CarlaPlugin::setId(newId);

  707. 

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

  709.         // FIXME - must be RT safe

  710.         showCustomUI(false);

  711.     }

  712. 

  713.     // -------------------------------------------------------------------

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

  715. 

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

  717.     {

  718.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  720. 

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

  722.         fParamBuffers[parameterId] = fixedValue;

  723. 

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

  725.     }

  726. 

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

  728.     {

  729.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  731. 

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

  733.         fParamBuffers[parameterId] = fixedValue;

  734. 

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

  736.     }

  737. 

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

  739.     {

  740.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  743.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  745. 

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

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

  748. 

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

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

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

  752. 

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

  754.         {

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

  756.             {

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

  758.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  759. 

  760.                 try {

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

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

  763.             }

  764.         }

  765. 

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

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

  768.             osc_send_configure(fOscData, key, value);

  769. #endif

  770. 

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

  772.         {

  773.             const ScopedSingleProcessLocker spl(this, true);

  774.             reloadPrograms(false);

  775.         }

  776. 

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

  778.     }

  779. 

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

  781.     {

  782.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  784.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  786.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  787.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  788. 

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

  790.         {

  791.             const ScopedSingleProcessLocker spl(this, true);

  792. 

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

  794.             {

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

  796.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  797. 

  798.                 try {

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

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

  801.             }

  802.         }

  803. 

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

  805.     }

  806. 

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

  808.     {

  809.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  813. 

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

  815.         {

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

  817. 

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

  819.         }

  820. 

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

  822.     }

  823. 

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

  825.     {

  826.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  829. 

  830.         setMidiProgramInDSSI(uindex);

  831. 

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

  833.     }

  834. 

  835.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  836.     {

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

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

  839. 

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

  841.         {

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

  843.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  844. 

  845.             try {

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

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

  848.         }

  849.     }

  850. 

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

  852.     // -------------------------------------------------------------------

  853.     // Set ui stuff

  854. 

  855.     void showCustomUI(const bool yesNo) override

  856.     {

  857.         if (yesNo)

  858.         {

  859.             fOscData.clear();

  860.             fThreadUI.startThread();

  861.         }

  862.         else

  863.         {

  864. #ifndef BUILD_BRIDGE

  865.             pData->transientTryCounter = 0;

  866. #endif

  867. 

  868.             if (fOscData.target != nullptr)

  869.             {

  870.                 osc_send_hide(fOscData);

  871.                 osc_send_quit(fOscData);

  872.                 fOscData.clear();

  873.             }

  874. 

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

  876.         }

  877.     }

  878. #endif

  879. 

  880.     // -------------------------------------------------------------------

  881.     // Plugin state

  882. 

  883.     void reload() override

  884.     {

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

  886.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  889. 

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

  891. 

  892.         // Safely disable plugin for reload

  893.         const ScopedDisabler sd(this);

  894. 

  895.         if (pData->active)

  896.             deactivate();

  897. 

  898.         clearBuffers();

  899. 

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

  901.         const uint32_t portCount(getSafePortCount());

  902. 

  903.         uint32_t aIns, aOuts, mIns, params;

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

  905. 

  906.         bool forcedStereoIn, forcedStereoOut;

  907.         forcedStereoIn = forcedStereoOut = false;

  908. 

  909.         bool needsCtrlIn, needsCtrlOut;

  910.         needsCtrlIn = needsCtrlOut = false;

  911. 

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

  913.         {

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

  915. 

  916.             if (LADSPA_IS_PORT_AUDIO(portType))

  917.             {

  918.                 if (LADSPA_IS_PORT_INPUT(portType))

  919.                     aIns += 1;

  920.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  921.                     aOuts += 1;

  922.             }

  923.             else if (LADSPA_IS_PORT_CONTROL(portType))

  924.                 params += 1;

  925.         }

  926. 

  927.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  928.         {

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

  930.             {

  931.                 if (aIns == 1)

  932.                 {

  933.                     aIns = 2;

  934.                     forcedStereoIn = true;

  935.                 }

  936.                 if (aOuts == 1)

  937.                 {

  938.                     aOuts = 2;

  939.                     forcedStereoOut = true;

  940.                 }

  941.             }

  942.         }

  943. 

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

  945.         {

  946.             mIns = 1;

  947.             needsCtrlIn = true;

  948.         }

  949. 

  950.         if (aIns > 0)

  951.         {

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

  953.             fAudioInBuffers = new float*[aIns];

  954. 

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

  956.                 fAudioInBuffers[i] = nullptr;

  957.         }

  958. 

  959.         if (aOuts > 0)

  960.         {

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

  962.             fAudioOutBuffers = new float*[aOuts];

  963.             needsCtrlIn = true;

  964. 

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

  966.                 fAudioOutBuffers[i] = nullptr;

  967.         }

  968. 

  969.         if (params > 0)

  970.         {

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

  972. 

  973.             fParamBuffers = new float[params];

  974.             carla_zeroFloats(fParamBuffers, params);

  975.         }

  976. 

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

  978.         CarlaString portName;

  979. 

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

  981.         {

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

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

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

  985. 

  986.             if (LADSPA_IS_PORT_AUDIO(portType))

  987.             {

  988.                 portName.clear();

  989. 

  990.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  991.                 {

  992.                     portName  = pData->name;

  993.                     portName += ":";

  994.                 }

  995. 

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

  997.                 {

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

  999.                 }

  1000.                 else

  1001.                 {

  1002.                     if (LADSPA_IS_PORT_INPUT(portType))

  1003.                     {

  1004.                         if (aIns > 1)

  1005.                         {

  1006.                             portName += "audio-in_";

  1007.                             portName += CarlaString(iAudioIn+1);

  1008.                         }

  1009.                         else

  1010.                             portName += "audio-in";

  1011.                     }

  1012.                     else

  1013.                     {

  1014.                         if (aOuts > 1)

  1015.                         {

  1016.                             portName += "audio-out_";

  1017.                             portName += CarlaString(iAudioOut+1);

  1018.                         }

  1019.                         else

  1020.                             portName += "audio-out";

  1021.                     }

  1022.                 }

  1023. 

  1024.                 portName.truncate(portNameSize);

  1025. 

  1026.                 if (LADSPA_IS_PORT_INPUT(portType))

  1027.                 {

  1028.                     const uint32_t j = iAudioIn++;

  1029.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1030.                     pData->audioIn.ports[j].rindex = i;

  1031. 

  1032.                     if (forcedStereoIn)

  1033.                     {

  1034.                         portName += "_2";

  1035.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1036.                         pData->audioIn.ports[1].rindex = i;

  1037.                     }

  1038.                 }

  1039.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1040.                 {

  1041.                     const uint32_t j = iAudioOut++;

  1042.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1043.                     pData->audioOut.ports[j].rindex = i;

  1044. 

  1045.                     if (forcedStereoOut)

  1046.                     {

  1047.                         portName += "_2";

  1048.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1049.                         pData->audioOut.ports[1].rindex = i;

  1050.                     }

  1051.                 }

  1052.                 else

  1053.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1054.             }

  1055.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1056.             {

  1057.                 const uint32_t j = iCtrl++;

  1058.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  1059.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  1060. 

  1061.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1062. 

  1063.                 float min, max, def, step, stepSmall, stepLarge;

  1064. 

  1065.                 // min value

  1066.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1067.                     min = portRangeHints.LowerBound;

  1068.                 else

  1069.                     min = 0.0f;

  1070. 

  1071.                 // max value

  1072.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1073.                     max = portRangeHints.UpperBound;

  1074.                 else

  1075.                     max = 1.0f;

  1076. 

  1077.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1078.                 {

  1079.                     min *= sampleRate;

  1080.                     max *= sampleRate;

  1081.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1082.                 }

  1083. 

  1084.                 if (min >= max)

  1085.                 {

  1086.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1087.                     max = min + 0.1f;

  1088.                 }

  1089. 

  1090.                 // default value

  1091.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1092.                     def = fRdfDescriptor->Ports[i].Default;

  1093.                 else

  1094.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1095. 

  1096.                 if (def < min)

  1097.                     def = min;

  1098.                 else if (def > max)

  1099.                     def = max;

  1100. 

  1101.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1102.                 {

  1103.                     step = max - min;

  1104.                     stepSmall = step;

  1105.                     stepLarge = step;

  1106.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1107.                 }

  1108.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1109.                 {

  1110.                     step = 1.0f;

  1111.                     stepSmall = 1.0f;

  1112.                     stepLarge = 10.0f;

  1113.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1114.                 }

  1115.                 else

  1116.                 {

  1117.                     const float range = max - min;

  1118.                     step = range/100.0f;

  1119.                     stepSmall = range/1000.0f;

  1120.                     stepLarge = range/10.0f;

  1121.                 }

  1122. 

  1123.                 if (LADSPA_IS_PORT_INPUT(portType))

  1124.                 {

  1125.                     pData->param.data[j].type   = PARAMETER_INPUT;

  1126.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

  1128.                     pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED;

  1129.                     needsCtrlIn = true;

  1130. 

  1131.                     // MIDI CC value

  1132.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1133.                     {

  1134.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1135.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1136.                         {

  1137.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1138.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1139.                                 pData->param.data[j].mappedControlIndex = cc;

  1140.                         }

  1141.                     }

  1142.                 }

  1143.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1144.                 {

  1145.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1146. 

  1147.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1148.                     {

  1149.                         min = 0.0f;

  1150.                         max = sampleRate;

  1151.                         def = 0.0f;

  1152.                         step = 1.0f;

  1153.                         stepSmall = 1.0f;

  1154.                         stepLarge = 1.0f;

  1155.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1156.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1157.                     }

  1158.                     else

  1159.                     {

  1160.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1161.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1162.                         needsCtrlOut = true;

  1163.                     }

  1164.                 }

  1165.                 else

  1166.                 {

  1167.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1168.                 }

  1169. 

  1170.                 // extra parameter hints

  1171.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  1173. 

  1174.                 // check for scalepoints, require at least 2 to make it useful

  1175.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1176.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1177. 

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

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

  1180.                 pData->param.ranges[j].def = def;

  1181.                 pData->param.ranges[j].step = step;

  1182.                 pData->param.ranges[j].stepSmall = stepSmall;

  1183.                 pData->param.ranges[j].stepLarge = stepLarge;

  1184. 

  1185.                 // Start parameters in their default values

  1186.                 fParamBuffers[j] = def;

  1187. 

  1188.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1189.                 {

  1190.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1191.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1192. 

  1193.                     try {

  1194.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1195.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1196.                 }

  1197.             }

  1198.             else

  1199.             {

  1200.                 // Not Audio or Control

  1201.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1202. 

  1203.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1204.                 {

  1205.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1206.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1207. 

  1208.                     try {

  1209.                         fDescriptor->connect_port(handle, i, nullptr);

  1210.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1211.                 }

  1212.             }

  1213.         }

  1214. 

  1215.         if (needsCtrlIn)

  1216.         {

  1217.             portName.clear();

  1218. 

  1219.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1220.             {

  1221.                 portName  = pData->name;

  1222.                 portName += ":";

  1223.             }

  1224. 

  1225.             portName += "events-in";

  1226.             portName.truncate(portNameSize);

  1227. 

  1228.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1229. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1230.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1231. #endif

  1232.         }

  1233. 

  1234.         if (needsCtrlOut)

  1235.         {

  1236.             portName.clear();

  1237. 

  1238.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1239.             {

  1240.                 portName  = pData->name;

  1241.                 portName += ":";

  1242.             }

  1243. 

  1244.             portName += "events-out";

  1245.             portName.truncate(portNameSize);

  1246. 

  1247.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1248.         }

  1249. 

  1250.         if (forcedStereoIn || forcedStereoOut)

  1251.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1252.         else

  1253.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1254. 

  1255.         // plugin hints

  1256.         pData->hints = 0x0;

  1257. 

  1258.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1259.             pData->hints |= PLUGIN_IS_RTSAFE;

  1260. 

  1261. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1262.         if (fUiFilename != nullptr)

  1263.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1264. #endif

  1265. 

  1266. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1267.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1268.             pData->hints |= PLUGIN_CAN_DRYWET;

  1269. 

  1270.         if (aOuts > 0)

  1271.             pData->hints |= PLUGIN_CAN_VOLUME;

  1272. 

  1273.         if (aOuts >= 2 && aOuts % 2 == 0)

  1274.             pData->hints |= PLUGIN_CAN_BALANCE;

  1275. #endif

  1276. 

  1277.         // extra plugin hints

  1278.         pData->extraHints = 0x0;

  1279. 

  1280.         if (mIns > 0)

  1281.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1282. 

  1283.         // check initial latency

  1284.         findInitialLatencyValue(aIns, aOuts);

  1285. 

  1286.         fForcedStereoIn  = forcedStereoIn;

  1287.         fForcedStereoOut = forcedStereoOut;

  1288. 

  1289.         bufferSizeChanged(pData->engine->getBufferSize());

  1290.         reloadPrograms(true);

  1291. 

  1292.         if (pData->active)

  1293.             activate();

  1294. 

  1295.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1296.     }

  1297. 

  1298.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1299.     {

  1300.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1301.             return;

  1302. 

  1303.         // we need to pre-run the plugin so it can update its latency control-port

  1304.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1305.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1306. 

  1307.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1308.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1309. 

  1310.         for (uint32_t j=0; j < aIns; ++j)

  1311.         {

  1312.             tmpIn[j][0] = 0.0f;

  1313.             tmpIn[j][1] = 0.0f;

  1314. 

  1315.             try {

  1316.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1317.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1318.         }

  1319. 

  1320.         for (uint32_t j=0; j < aOuts; ++j)

  1321.         {

  1322.             tmpOut[j][0] = 0.0f;

  1323.             tmpOut[j][1] = 0.0f;

  1324. 

  1325.             try {

  1326.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1327.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1328.         }

  1329. 

  1330.         if (fDescriptor->activate != nullptr)

  1331.         {

  1332.             try {

  1333.                 fDescriptor->activate(handle);

  1334.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1335.         }

  1336. 

  1337.         try {

  1338.             fDescriptor->run(handle, 2);

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

  1340. 

  1341.         if (fDescriptor->deactivate != nullptr)

  1342.         {

  1343.             try {

  1344.                 fDescriptor->deactivate(handle);

  1345.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1346.         }

  1347. 

  1348.         // done, let's get the value

  1349.         if (const uint32_t latency = getLatencyInFrames())

  1350.         {

  1351.             pData->client->setLatency(latency);

  1352. #ifndef BUILD_BRIDGE

  1353.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1354. #endif

  1355.         }

  1356.     }

  1357. 

  1358.     void reloadPrograms(const bool doInit) override

  1359.     {

  1360.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1361. 

  1362.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1363.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1364. 

  1365.         const uint32_t oldCount = pData->midiprog.count;

  1366.         const int32_t  current  = pData->midiprog.current;

  1367. 

  1368.         // Delete old programs

  1369.         pData->midiprog.clear();

  1370. 

  1371.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1372.         if (fDssiDescriptor == nullptr)

  1373.             return;

  1374. 

  1375.         // Query new programs

  1376.         uint32_t newCount = 0;

  1377.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1378.         {

  1379.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1380.                 ++newCount;

  1381.         }

  1382. 

  1383.         if (newCount > 0)

  1384.         {

  1385.             pData->midiprog.createNew(newCount);

  1386. 

  1387.             // Update data

  1388.             for (uint32_t i=0; i < newCount; ++i)

  1389.             {

  1390.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1391.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1392.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1393. 

  1394.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1395.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1396.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1397.             }

  1398.         }

  1399. 

  1400.         if (doInit)

  1401.         {

  1402.             if (newCount > 0)

  1403.                 setMidiProgram(0, false, false, false, true);

  1404.         }

  1405.         else

  1406.         {

  1407.             // Check if current program is invalid

  1408.             bool programChanged = false;

  1409. 

  1410.             if (newCount == oldCount+1)

  1411.             {

  1412.                 // one midi program added, probably created by user

  1413.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1414.                 programChanged = true;

  1415.             }

  1416.             else if (current < 0 && newCount > 0)

  1417.             {

  1418.                 // programs exist now, but not before

  1419.                 pData->midiprog.current = 0;

  1420.                 programChanged = true;

  1421.             }

  1422.             else if (current >= 0 && newCount == 0)

  1423.             {

  1424.                 // programs existed before, but not anymore

  1425.                 pData->midiprog.current = -1;

  1426.                 programChanged = true;

  1427.             }

  1428.             else if (current >= static_cast<int32_t>(newCount))

  1429.             {

  1430.                 // current midi program > count

  1431.                 pData->midiprog.current = 0;

  1432.                 programChanged = true;

  1433.             }

  1434.             else

  1435.             {

  1436.                 // no change

  1437.                 pData->midiprog.current = current;

  1438.             }

  1439. 

  1440.             if (programChanged)

  1441.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1442. 

  1443.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1444.         }

  1445.     }

  1446. 

  1447.     // -------------------------------------------------------------------

  1448.     // Plugin processing

  1449. 

  1450.     void activate() noexcept override

  1451.     {

  1452.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1453. 

  1454.         if (fDescriptor->activate != nullptr)

  1455.         {

  1456.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1457.             {

  1458.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1459.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1460. 

  1461.                 try {

  1462.                     fDescriptor->activate(handle);

  1463.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1464.             }

  1465.         }

  1466.     }

  1467. 

  1468.     void deactivate() noexcept override

  1469.     {

  1470.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1471. 

  1472.         if (fDescriptor->deactivate != nullptr)

  1473.         {

  1474.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1475.             {

  1476.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1477.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1478. 

  1479.                 try {

  1480.                     fDescriptor->deactivate(handle);

  1481.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1482.             }

  1483.         }

  1484.     }

  1485. 

  1486.     void process(const float* const* const audioIn, float** const audioOut,

  1487.                  const float* const* const cvIn, float**,

  1488.                  const uint32_t frames) override

  1489.     {

  1490.         // --------------------------------------------------------------------------------------------------------

  1491.         // Check if active

  1492. 

  1493.         if (! pData->active)

  1494.         {

  1495.             // disable any output sound

  1496.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1497.                 carla_zeroFloats(audioOut[i], frames);

  1498.             return;

  1499.         }

  1500. 

  1501.         ulong midiEventCount = 0;

  1502.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1503. 

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

  1505.         // Check if needs reset

  1506. 

  1507.         if (pData->needsReset)

  1508.         {

  1509.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1510.             {

  1511.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1512. 

  1513.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1514.                 {

  1515.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

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

  1517.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1518. 

  1519.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1520.                     fMidiEvents[k+i].data.control.channel = i;

  1521.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1522.                 }

  1523.             }

  1524.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1525.             {

  1526.                 midiEventCount = MAX_MIDI_NOTE;

  1527. 

  1528.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1529.                 {

  1530.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1531.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1532.                     fMidiEvents[i].data.note.note    = i;

  1533.                 }

  1534.             }

  1535. 

  1536.             pData->needsReset = false;

  1537.         }

  1538. 

  1539.         // --------------------------------------------------------------------------------------------------------

  1540.         // Event Input and Processing

  1541. 

  1542.         if (pData->event.portIn != nullptr)

  1543.         {

  1544.             // ----------------------------------------------------------------------------------------------------

  1545.             // MIDI Input (External)

  1546. 

  1547.             if (pData->extNotes.mutex.tryLock())

  1548.             {

  1549.                 ExternalMidiNote note = { 0, 0, 0 };

  1550. 

  1551.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1552.                 {

  1553.                     note = pData->extNotes.data.getFirst(note, true);

  1554.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1555. 

  1556.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1557. 

  1558.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1559.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1560.                     seqEvent.data.note.note     = note.note;

  1561.                     seqEvent.data.note.velocity = note.velo;

  1562.                 }

  1563. 

  1564.                 pData->extNotes.mutex.unlock();

  1565. 

  1566.             } // End of MIDI Input (External)

  1567. 

  1568.             // ----------------------------------------------------------------------------------------------------

  1569.             // Event Input (System)

  1570. 

  1571. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1572.             bool allNotesOffSent = false;

  1573. #endif

  1574.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1575. 

  1576.             uint32_t startTime  = 0;

  1577.             uint32_t timeOffset = 0;

  1578.             uint32_t nextBankId;

  1579. 

  1580.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1581.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1582.             else

  1583.                 nextBankId = 0;

  1584. 

  1585. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1586.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1587.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1588. #endif

  1589. 

  1590.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1591.             {

  1592.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1593. 

  1594.                 uint32_t eventTime = event.time;

  1595.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1596. 

  1597.                 if (eventTime < timeOffset)

  1598.                 {

  1599.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1600.                                   eventTime, timeOffset, pData->name);

  1601.                     eventTime = timeOffset;

  1602.                 }

  1603. 

  1604.                 if (isSampleAccurate && eventTime > timeOffset)

  1605.                 {

  1606.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1607.                     {

  1608.                         startTime  = 0;

  1609.                         timeOffset = eventTime;

  1610.                         midiEventCount = 0;

  1611. 

  1612.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1613.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1614.                         else

  1615.                             nextBankId = 0;

  1616.                     }

  1617.                     else

  1618.                         startTime += timeOffset;

  1619.                 }

  1620. 

  1621.                 switch (event.type)

  1622.                 {

  1623.                 case kEngineEventTypeNull:

  1624.                     break;

  1625. 

  1626.                 case kEngineEventTypeControl: {

  1627.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1628. 

  1629.                     switch (ctrlEvent.type)

  1630.                     {

  1631.                     case kEngineControlEventTypeNull:

  1632.                         break;

  1633. 

  1634.                     case kEngineControlEventTypeParameter: {

  1635.                         float value;

  1636. 

  1637. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1638.                         // non-midi

  1639.                         if (event.channel == kEngineEventNonMidiChannel)

  1640.                         {

  1641.                             const uint32_t k = ctrlEvent.param;

  1642.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1643. 

  1644.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.value);

  1645.                             setParameterValueRT(k, value, true);

  1646.                             continue;

  1647.                         }

  1648. 

  1649.                         // Control backend stuff

  1650.                         if (event.channel == pData->ctrlChannel)

  1651.                         {

  1652.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1653.                             {

  1654.                                 value = ctrlEvent.value;

  1655.                                 setDryWetRT(value, true);

  1656.                             }

  1657. 

  1658.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1659.                             {

  1660.                                 value = ctrlEvent.value*127.0f/100.0f;

  1661.                                 setVolumeRT(value, true);

  1662.                             }

  1663. 

  1664.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1665.                             {

  1666.                                 float left, right;

  1667.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1668. 

  1669.                                 if (value < 0.0f)

  1670.                                 {

  1671.                                     left  = -1.0f;

  1672.                                     right = (value*2.0f)+1.0f;

  1673.                                 }

  1674.                                 else if (value > 0.0f)

  1675.                                 {

  1676.                                     left  = (value*2.0f)-1.0f;

  1677.                                     right = 1.0f;

  1678.                                 }

  1679.                                 else

  1680.                                 {

  1681.                                     left  = -1.0f;

  1682.                                     right = 1.0f;

  1683.                                 }

  1684. 

  1685.                                 setBalanceLeftRT(left, true);

  1686.                                 setBalanceRightRT(right, true);

  1687.                             }

  1688.                         }

  1689. #endif

  1690.                         // Control plugin parameters

  1691.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1692.                         {

  1693.                             if (pData->param.data[k].midiChannel != event.channel)

  1694.                                 continue;

  1695.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1696.                                 continue;

  1697.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1698.                                 continue;

  1699.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1700.                                 continue;

  1701. 

  1702.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.value);

  1703.                             setParameterValueRT(k, value, true);

  1704.                         }

  1705. 

  1706.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1707.                         {

  1708.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1709.                                 continue;

  1710. 

  1711.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1712. 

  1713.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1714. 

  1715.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1716.                             seqEvent.data.control.channel = event.channel;

  1717.                             seqEvent.data.control.param   = ctrlEvent.param;

  1718.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1719.                         }

  1720. 

  1721.                         break;

  1722.                     } // case kEngineControlEventTypeParameter

  1723. 

  1724.                     case kEngineControlEventTypeMidiBank:

  1725.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1726.                             nextBankId = ctrlEvent.param;

  1727.                         break;

  1728. 

  1729.                     case kEngineControlEventTypeMidiProgram:

  1730.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1731.                         {

  1732.                             const uint32_t nextProgramId = ctrlEvent.param;

  1733. 

  1734.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1735.                             {

  1736.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1737.                                 {

  1738.                                     setMidiProgramRT(k, true);

  1739.                                     break;

  1740.                                 }

  1741.                             }

  1742.                         }

  1743.                         break;

  1744. 

  1745.                     case kEngineControlEventTypeAllSoundOff:

  1746.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1747.                         {

  1748.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1749.                                 continue;

  1750. 

  1751.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1752. 

  1753.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1754. 

  1755.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1756.                             seqEvent.data.control.channel = event.channel;

  1757.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1758.                         }

  1759.                         break;

  1760. 

  1761.                     case kEngineControlEventTypeAllNotesOff:

  1762.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1763.                         {

  1764. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1765.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1766.                             {

  1767.                                 allNotesOffSent = true;

  1768.                                 postponeRtAllNotesOff();

  1769.                             }

  1770. #endif

  1771. 

  1772.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1773.                                 continue;

  1774. 

  1775.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1776. 

  1777.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1778. 

  1779.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1780.                             seqEvent.data.control.channel = event.channel;

  1781.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1782.                         }

  1783.                         break;

  1784.                     } // switch (ctrlEvent.type)

  1785.                     break;

  1786.                 } // case kEngineEventTypeControl

  1787. 

  1788.                 case kEngineEventTypeMidi: {

  1789.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1790.                         continue;

  1791. 

  1792.                     const EngineMidiEvent& midiEvent(event.midi);

  1793. 

  1794.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1795.                         continue;

  1796. 

  1797.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1798. 

  1799.                     // Fix bad note-off (per DSSI spec)

  1800.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1801.                         status = MIDI_STATUS_NOTE_OFF;

  1802. 

  1803.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1804. 

  1805.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1806. 

  1807.                     switch (status)

  1808.                     {

  1809.                     case MIDI_STATUS_NOTE_OFF: {

  1810.                         const uint8_t note = midiEvent.data[1];

  1811. 

  1812.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1813.                         seqEvent.data.note.channel = event.channel;

  1814.                         seqEvent.data.note.note    = note;

  1815. 

  1816.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, true, event.channel, note, 0, 0.0f);

  1817.                         break;

  1818.                     }

  1819. 

  1820.                     case MIDI_STATUS_NOTE_ON: {

  1821.                         const uint8_t note = midiEvent.data[1];

  1822.                         const uint8_t velo = midiEvent.data[2];

  1823. 

  1824.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1825.                         seqEvent.data.note.channel  = event.channel;

  1826.                         seqEvent.data.note.note     = note;

  1827.                         seqEvent.data.note.velocity = velo;

  1828. 

  1829.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1830.                         break;

  1831.                     }

  1832. 

  1833.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1834.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1835.                         {

  1836.                             const uint8_t note     = midiEvent.data[1];

  1837.                             const uint8_t pressure = midiEvent.data[2];

  1838. 

  1839.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1840.                             seqEvent.data.note.channel  = event.channel;

  1841.                             seqEvent.data.note.note     = note;

  1842.                             seqEvent.data.note.velocity = pressure;

  1843.                         }

  1844.                         break;

  1845. 

  1846.                     case MIDI_STATUS_CONTROL_CHANGE:

  1847.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1848.                         {

  1849.                             const uint8_t control = midiEvent.data[1];

  1850.                             const uint8_t value   = midiEvent.data[2];

  1851. 

  1852.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1853.                             seqEvent.data.control.channel = event.channel;

  1854.                             seqEvent.data.control.param   = control;

  1855.                             seqEvent.data.control.value   = value;

  1856.                         }

  1857.                         break;

  1858. 

  1859.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1860.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1861.                         {

  1862.                             const uint8_t pressure = midiEvent.data[1];

  1863. 

  1864.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1866.                             seqEvent.data.control.value   = pressure;

  1867.                         }

  1868.                         break;

  1869. 

  1870.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1871.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1872.                         {

  1873.                             const uint8_t lsb = midiEvent.data[1];

  1874.                             const uint8_t msb = midiEvent.data[2];

  1875. 

  1876.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1877.                             seqEvent.data.control.channel = event.channel;

  1878.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1879.                         }

  1880.                         break;

  1881. 

  1882.                     default:

  1883.                         --midiEventCount;

  1884.                         break;

  1885.                     } // switch (status)

  1886.                 } break;

  1887.                 } // switch (event.type)

  1888.             }

  1889. 

  1890.             pData->postRtEvents.trySplice();

  1891. 

  1892.             if (frames > timeOffset)

  1893.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1894. 

  1895.         } // End of Event Input and Processing

  1896. 

  1897.         // --------------------------------------------------------------------------------------------------------

  1898.         // Plugin processing (no events)

  1899. 

  1900.         else

  1901.         {

  1902.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1903. 

  1904.         } // End of Plugin processing (no events)

  1905. 

  1906.         // --------------------------------------------------------------------------------------------------------

  1907.         // Control Output

  1908. 

  1909.         if (pData->event.portOut != nullptr)

  1910.         {

  1911.             uint8_t  channel;

  1912.             uint16_t param;

  1913.             float    value;

  1914. 

  1915.             for (uint32_t k=0; k < pData->param.count; ++k)

  1916.             {

  1917.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1918.                     continue;

  1919. 

  1920.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1921. 

  1922.                 if (pData->param.data[k].mappedControlIndex > 0)

  1923.                 {

  1924.                     channel = pData->param.data[k].midiChannel;

  1925.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1926.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1927.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1928.                 }

  1929.             }

  1930.         } // End of Control Output

  1931. 

  1932. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1933.         return;

  1934. 

  1935.         // unused

  1936.         (void)cvIn;

  1937. #endif

  1938.     }

  1939. 

  1940.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1941.                        const uint32_t timeOffset, const ulong midiEventCount)

  1942.     {

  1943.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1944. 

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

  1946.         {

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

  1948.         }

  1949.         if (pData->audioOut.count > 0)

  1950.         {

  1951.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1952.         }

  1953. 

  1954.         // --------------------------------------------------------------------------------------------------------

  1955.         // Try lock, silence otherwise

  1956. 

  1957. #ifndef STOAT_TEST_BUILD

  1958.         if (pData->engine->isOffline())

  1959.         {

  1960.             pData->singleMutex.lock();

  1961.         }

  1962.         else

  1963. #endif

  1964.         if (! pData->singleMutex.tryLock())

  1965.         {

  1966.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1967.             {

  1968.                 for (uint32_t k=0; k < frames; ++k)

  1969.                     audioOut[i][k+timeOffset] = 0.0f;

  1970.             }

  1971. 

  1972.             return false;

  1973.         }

  1974. 

  1975.         // --------------------------------------------------------------------------------------------------------

  1976.         // Set audio buffers

  1977. 

  1978.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1979.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1980. 

  1981.         if (! customMonoOut)

  1982.         {

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

  1984.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1985.         }

  1986. 

  1987.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1988.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1989. 

  1990.         // --------------------------------------------------------------------------------------------------------

  1991.         // Run plugin

  1992. 

  1993.         uint instn = 0;

  1994.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1995.         {

  1996.             LADSPA_Handle const handle(it.getValue(nullptr));

  1997.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1998. 

  1999.             // ----------------------------------------------------------------------------------------------------

  2000.             // Mixdown for forced stereo

  2001. 

  2002.             if (customMonoOut)

  2003.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2004. 

  2005.             // ----------------------------------------------------------------------------------------------------

  2006.             // Run it

  2007. 

  2008.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2009.             {

  2010.                 try {

  2011.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2012.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2013.             }

  2014.             else

  2015.             {

  2016.                 try {

  2017.                     fDescriptor->run(handle, frames);

  2018.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2019.             }

  2020. 

  2021.             // ----------------------------------------------------------------------------------------------------

  2022.             // Mixdown for forced stereo

  2023. 

  2024.             if (customMonoOut)

  2025.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2026.             else if (customStereoOut)

  2027.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2028.         }

  2029. 

  2030.         if (customStereoOut)

  2031.         {

  2032.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2033.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2034.         }

  2035. 

  2036. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2037.         // --------------------------------------------------------------------------------------------------------

  2038.         // Post-processing (dry/wet, volume and balance)

  2039. 

  2040.         {

  2041.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2042.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2043.             const bool isMono    = (pData->audioIn.count == 1);

  2044. 

  2045.             bool isPair;

  2046.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  2047. 

  2048.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2049.             {

  2050.                 // Dry/Wet

  2051.                 if (doDryWet)

  2052.                 {

  2053.                     const uint32_t c = isMono ? 0 : i;

  2054. 

  2055.                     for (uint32_t k=0; k < frames; ++k)

  2056.                     {

  2057. # ifndef BUILD_BRIDGE

  2058.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2059.                             bufValue = pData->latency.buffers[c][k];

  2060.                         else if (pData->latency.frames < frames)

  2061.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2062.                         else

  2063. # endif

  2064.                             bufValue = fAudioInBuffers[c][k];

  2065. 

  2066.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2067.                     }

  2068.                 }

  2069. 

  2070.                 // Balance

  2071.                 if (doBalance)

  2072.                 {

  2073.                     isPair = (i % 2 == 0);

  2074. 

  2075.                     if (isPair)

  2076.                     {

  2077.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2078.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2079.                     }

  2080. 

  2081.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2082.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2083. 

  2084.                     for (uint32_t k=0; k < frames; ++k)

  2085.                     {

  2086.                         if (isPair)

  2087.                         {

  2088.                             // left

  2089.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2090.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2091.                         }

  2092.                         else

  2093.                         {

  2094.                             // right

  2095.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2096.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2097.                         }

  2098.                     }

  2099.                 }

  2100. 

  2101.                 // Volume (and buffer copy)

  2102.                 {

  2103.                     for (uint32_t k=0; k < frames; ++k)

  2104.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2105.                 }

  2106.             }

  2107. 

  2108.         } // End of Post-processing

  2109. 

  2110. # ifndef BUILD_BRIDGE

  2111.         // --------------------------------------------------------------------------------------------------------

  2112.         // Save latency values for next callback

  2113. 

  2114.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2115.         {

  2116.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2117.             const uint32_t latframes = pData->latency.frames;

  2118. 

  2119.             if (latframes <= frames)

  2120.             {

  2121.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2122.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2123.             }

  2124.             else

  2125.             {

  2126.                 const uint32_t diff = latframes - frames;

  2127. 

  2128.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2129.                 {

  2130.                     // push back buffer by 'frames'

  2131.                     for (k=0; k < diff; ++k)

  2132.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2133. 

  2134.                     // put current input at the end

  2135.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2136.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2137.                 }

  2138.             }

  2139.         }

  2140. # endif

  2141. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2142.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2143.         {

  2144.             for (uint32_t k=0; k < frames; ++k)

  2145.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2146.         }

  2147. #endif

  2148. 

  2149.         // --------------------------------------------------------------------------------------------------------

  2150. 

  2151.         pData->singleMutex.unlock();

  2152.         return true;

  2153.     }

  2154. 

  2155.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2156.     {

  2157.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2158.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2159. 

  2160.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2161.         {

  2162.             if (fAudioInBuffers[i] != nullptr)

  2163.                 delete[] fAudioInBuffers[i];

  2164. 

  2165.             fAudioInBuffers[i] = new float[newBufferSize];

  2166.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2167.         }

  2168. 

  2169.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2170.         {

  2171.             if (fAudioOutBuffers[i] != nullptr)

  2172.                 delete[] fAudioOutBuffers[i];

  2173. 

  2174.             fAudioOutBuffers[i] = new float[newBufferSize];

  2175.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2176.         }

  2177. 

  2178.         if (fExtraStereoBuffer[0] != nullptr)

  2179.         {

  2180.             delete[] fExtraStereoBuffer[0];

  2181.             fExtraStereoBuffer[0] = nullptr;

  2182.         }

  2183. 

  2184.         if (fExtraStereoBuffer[1] != nullptr)

  2185.         {

  2186.             delete[] fExtraStereoBuffer[1];

  2187.             fExtraStereoBuffer[1] = nullptr;

  2188.         }

  2189. 

  2190.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2191.         {

  2192.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2193.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2194.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2195.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2196.         }

  2197. 

  2198.         reconnectAudioPorts();

  2199. 

  2200.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2201.     }

  2202. 

  2203.     void sampleRateChanged(const double newSampleRate) override

  2204.     {

  2205.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2206.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2207. 

  2208.         // TODO - handle UI stuff

  2209. 

  2210.         if (pData->active)

  2211.             deactivate();

  2212. 

  2213.         const std::size_t instanceCount(fHandles.count());

  2214. 

  2215.         if (fDescriptor->cleanup != nullptr)

  2216.         {

  2217.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2218.             {

  2219.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2220.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2221. 

  2222.                 try {

  2223.                     fDescriptor->cleanup(handle);

  2224.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2225.             }

  2226.         }

  2227. 

  2228.         fHandles.clear();

  2229. 

  2230.         for (std::size_t i=0; i<instanceCount; ++i)

  2231.             addInstance();

  2232. 

  2233.         reconnectAudioPorts();

  2234. 

  2235.         if (pData->active)

  2236.             activate();

  2237. 

  2238.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2239.     }

  2240. 

  2241.     void reconnectAudioPorts() const noexcept

  2242.     {

  2243.         if (fForcedStereoIn)

  2244.         {

  2245.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2246.             {

  2247.                 try {

  2248.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2249.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2250.             }

  2251. 

  2252.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2253.             {

  2254.                 try {

  2255.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2256.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2257.             }

  2258.         }

  2259.         else

  2260.         {

  2261.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2262.             {

  2263.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2264.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2265. 

  2266.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2267.                 {

  2268.                     try {

  2269.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2270.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2271.                 }

  2272.             }

  2273.         }

  2274. 

  2275.         if (fForcedStereoOut)

  2276.         {

  2277.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2278.             {

  2279.                 try {

  2280.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2281.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2282.             }

  2283. 

  2284.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2285.             {

  2286.                 try {

  2287.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2288.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2289.             }

  2290.         }

  2291.         else

  2292.         {

  2293.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2294.             {

  2295.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2296.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2297. 

  2298.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2299.                 {

  2300.                     try {

  2301.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2302.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2303.                 }

  2304.             }

  2305.         }

  2306.     }

  2307. 

  2308.     // -------------------------------------------------------------------

  2309.     // Plugin buffers

  2310. 

  2311.     void clearBuffers() noexcept override

  2312.     {

  2313.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2314. 

  2315.         if (fAudioInBuffers != nullptr)

  2316.         {

  2317.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2318.             {

  2319.                 if (fAudioInBuffers[i] != nullptr)

  2320.                 {

  2321.                     delete[] fAudioInBuffers[i];

  2322.                     fAudioInBuffers[i] = nullptr;

  2323.                 }

  2324.             }

  2325. 

  2326.             delete[] fAudioInBuffers;

  2327.             fAudioInBuffers = nullptr;

  2328.         }

  2329. 

  2330.         if (fAudioOutBuffers != nullptr)

  2331.         {

  2332.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2333.             {

  2334.                 if (fAudioOutBuffers[i] != nullptr)

  2335.                 {

  2336.                     delete[] fAudioOutBuffers[i];

  2337.                     fAudioOutBuffers[i] = nullptr;

  2338.                 }

  2339.             }

  2340. 

  2341.             delete[] fAudioOutBuffers;

  2342.             fAudioOutBuffers = nullptr;

  2343.         }

  2344. 

  2345.         if (fExtraStereoBuffer[0] != nullptr)

  2346.         {

  2347.             delete[] fExtraStereoBuffer[0];

  2348.             fExtraStereoBuffer[0] = nullptr;

  2349.         }

  2350. 

  2351.         if (fExtraStereoBuffer[1] != nullptr)

  2352.         {

  2353.             delete[] fExtraStereoBuffer[1];

  2354.             fExtraStereoBuffer[1] = nullptr;

  2355.         }

  2356. 

  2357.         if (fParamBuffers != nullptr)

  2358.         {

  2359.             delete[] fParamBuffers;

  2360.             fParamBuffers = nullptr;

  2361.         }

  2362. 

  2363.         CarlaPlugin::clearBuffers();

  2364. 

  2365.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2366.     }

  2367. 

  2368. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2369.     // -------------------------------------------------------------------

  2370.     // OSC stuff

  2371. 

  2372.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2373.     {

  2374.         const lo_address source(lo_message_get_source(msg));

  2375.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2376. 

  2377.         // protocol for DSSI UIs *must* be UDP

  2378.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2379. 

  2380.         if (fOscData.source == nullptr)

  2381.         {

  2382.             // if no UI is registered yet only "configure" and "update" messages are valid

  2383.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2384.         }

  2385.         else

  2386.         {

  2387.             // make sure message source is the DSSI UI

  2388.             const char* const msghost = lo_address_get_hostname(source);

  2389.             const char* const msgport = lo_address_get_port(source);

  2390. 

  2391.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2392.             const char* const ourport = lo_address_get_port(fOscData.source);

  2393. 

  2394.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2395.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2396.         }

  2397. 

  2398.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2399. 

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

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

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

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

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

  2405.             return handleOscMessageProgram(argc, argv, types);

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

  2407.             return handleOscMessageMIDI(argc, argv, types);

  2408.         if (std::strcmp(method, "update") == 0)

  2409.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2410.         if (std::strcmp(method, "exiting") == 0)

  2411.             return handleOscMessageExiting();

  2412. 

  2413.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2414.     }

  2415. 

  2416.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2417.     {

  2418.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2419.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2420. 

  2421.         const char* const key   = (const char*)&argv[0]->s;

  2422.         const char* const value = (const char*)&argv[1]->s;

  2423. 

  2424.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2425.     }

  2426. 

  2427.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2428.     {

  2429.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2430.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2431. 

  2432.         const int32_t rindex = argv[0]->i;

  2433.         const float   value  = argv[1]->f;

  2434. 

  2435.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2436.     }

  2437. 

  2438.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2439.     {

  2440.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2441.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2442. 

  2443.         const int32_t bank    = argv[0]->i;

  2444.         const int32_t program = argv[1]->i;

  2445. 

  2446.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2447.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2448. 

  2449.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2450.     }

  2451. 

  2452.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2453.     {

  2454.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2455.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2456. 

  2457.         if (getMidiInCount() == 0)

  2458.         {

  2459.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2460.             return;

  2461.         }

  2462. 

  2463.         const uint8_t* const data = argv[0]->m;

  2464.         uint8_t status  = data[1];

  2465.         uint8_t channel = status & 0x0F;

  2466. 

  2467.         // Fix bad note-off

  2468.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2469.             status = MIDI_STATUS_NOTE_OFF;

  2470. 

  2471.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2472.         {

  2473.             const uint8_t note = data[2];

  2474. 

  2475.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2476. 

  2477.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2478.         }

  2479.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2480.         {

  2481.             const uint8_t note = data[2];

  2482.             const uint8_t velo = data[3];

  2483. 

  2484.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2485.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2486. 

  2487.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2488.         }

  2489.     }

  2490. 

  2491.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2492.     {

  2493.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2494.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2495. 

  2496.         const char* const url = (const char*)&argv[0]->s;

  2497. 

  2498.         // FIXME - remove debug prints later

  2499.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2500. 

  2501.         fOscData.clear();

  2502. 

  2503.         const int proto = lo_address_get_protocol(source);

  2504. 

  2505.         {

  2506.             const char* host = lo_address_get_hostname(source);

  2507.             const char* port = lo_address_get_port(source);

  2508.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2509. 

  2510.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2511.         }

  2512. 

  2513.         {

  2514.             char* host = lo_url_get_hostname(url);

  2515.             char* port = lo_url_get_port(url);

  2516.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2517.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2518.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2519. 

  2520.             std::free(host);

  2521.             std::free(port);

  2522.         }

  2523. 

  2524.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2525. 

  2526.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2527.         {

  2528.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2529.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2530. 

  2531.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2532.                 osc_send_configure(fOscData, customData.key, customData.value);

  2533.         }

  2534. 

  2535.         if (pData->prog.current >= 0)

  2536.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2537. 

  2538.         if (pData->midiprog.current >= 0)

  2539.         {

  2540.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2541.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2542.         }

  2543. 

  2544.         for (uint32_t i=0; i < pData->param.count; ++i)

  2545.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2546. 

  2547. #ifndef BUILD_BRIDGE

  2548.         if (pData->engine->getOptions().frontendWinId != 0)

  2549.             pData->transientTryCounter = 1;

  2550. #endif

  2551. 

  2552.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2553.     }

  2554. 

  2555.     void handleOscMessageExiting()

  2556.     {

  2557.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2558. 

  2559.         // hide UI

  2560.         showCustomUI(false);

  2561. 

  2562.         // tell frontend

  2563.         pData->engine->callback(true, true,

  2564.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2565.                                 pData->id,

  2566.                                 0,

  2567.                                 0, 0, 0.0f, nullptr);

  2568.     }

  2569. 

  2570.     // -------------------------------------------------------------------

  2571.     // Post-poned UI Stuff

  2572. 

  2573.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2574.     {

  2575.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2576. 

  2577.         if (fOscData.target == nullptr)

  2578.             return;

  2579. 

  2580.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2581.     }

  2582. 

  2583.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2584.     {

  2585.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2586. 

  2587.         if (fOscData.target == nullptr)

  2588.             return;

  2589. 

  2590.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2591.     }

  2592. 

  2593.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2594.     {

  2595.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2596.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2597.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2598. 

  2599.         if (fOscData.target == nullptr)

  2600.             return;

  2601. 

  2602. #if 0

  2603.         uint8_t midiData[4];

  2604.         midiData[0] = 0;

  2605.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2606.         midiData[2] = note;

  2607.         midiData[3] = velo;

  2608. 

  2609.         osc_send_midi(fOscData, midiData);

  2610. #endif

  2611.     }

  2612. 

  2613.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2614.     {

  2615.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2616.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2617. 

  2618.         if (fOscData.target == nullptr)

  2619.             return;

  2620. 

  2621. #if 0

  2622.         uint8_t midiData[4];

  2623.         midiData[0] = 0;

  2624.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2625.         midiData[2] = note;

  2626.         midiData[3] = 0;

  2627. 

  2628.         osc_send_midi(fOscData, midiData);

  2629. #endif

  2630.     }

  2631. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2632. 

  2633.     // -------------------------------------------------------------------

  2634. 

  2635.     const void* getNativeDescriptor() const noexcept override

  2636.     {

  2637.         return fDssiDescriptor != nullptr

  2638.                ? (const void*)fDssiDescriptor

  2639.                : (const void*)fDescriptor;

  2640.     }

  2641. 

  2642.     const void* getExtraStuff() const noexcept override

  2643.     {

  2644.         if (fDssiDescriptor != nullptr)

  2645.         {

  2646. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2647.             return fUiFilename;

  2648. #else

  2649.             return nullptr;

  2650. #endif

  2651.         }

  2652.         return fRdfDescriptor;

  2653.     }

  2654. 

  2655. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2656.     uintptr_t getUiBridgeProcessId() const noexcept override

  2657.     {

  2658.         return fThreadUI.getProcessId();

  2659.     }

  2660. #endif

  2661. 

  2662.     // -------------------------------------------------------------------

  2663. 

  2664.     bool initLADSPA(const CarlaPluginPtr plugin,

  2665.                     const char* const filename, const char* name, const char* const label, const uint options,

  2666.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2667.     {

  2668.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2669. 

  2670.         // ---------------------------------------------------------------

  2671.         // first checks

  2672. 

  2673.         if (pData->client != nullptr)

  2674.         {

  2675.             pData->engine->setLastError("Plugin client is already registered");

  2676.             return false;

  2677.         }

  2678. 

  2679.         if (filename == nullptr || filename[0] == '\0')

  2680.         {

  2681.             pData->engine->setLastError("null filename");

  2682.             return false;

  2683.         }

  2684. 

  2685.         // ---------------------------------------------------------------

  2686.         // open DLL

  2687. 

  2688.         if (! pData->libOpen(filename))

  2689.         {

  2690.             pData->engine->setLastError(pData->libError(filename));

  2691.             return false;

  2692.         }

  2693. 

  2694.         // ---------------------------------------------------------------

  2695.         // get DLL main entry

  2696. 

  2697.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2698. 

  2699.         if (descFn == nullptr)

  2700.         {

  2701.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2702.             return false;

  2703.         }

  2704. 

  2705.         // ---------------------------------------------------------------

  2706.         // get descriptor that matches label

  2707. 

  2708.         // if label is null, get first valid plugin

  2709.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2710. 

  2711.         for (ulong d=0;; ++d)

  2712.         {

  2713.             try {

  2714.                 fDescriptor = descFn(d);

  2715.             }

  2716.             catch(...) {

  2717.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2718.                 fDescriptor = nullptr;

  2719.                 break;

  2720.             }

  2721. 

  2722.             if (fDescriptor == nullptr)

  2723.                 break;

  2724. 

  2725.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2726.             {

  2727.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2728.                 fDescriptor = nullptr;

  2729.                 break;

  2730.             }

  2731.             if (fDescriptor->run == nullptr)

  2732.             {

  2733.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2734.                 fDescriptor = nullptr;

  2735.                 break;

  2736.             }

  2737. 

  2738.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2739.                 break;

  2740.         }

  2741. 

  2742.         if (fDescriptor == nullptr)

  2743.         {

  2744.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2745.             return false;

  2746.         }

  2747. 

  2748.         return init2(plugin, filename, name, options, rdfDescriptor);

  2749.     }

  2750. 

  2751.     bool initDSSI(const CarlaPluginPtr plugin,

  2752.                   const char* const filename, const char* name, const char* const label, const uint options)

  2753.     {

  2754.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2755. 

  2756.         // ---------------------------------------------------------------

  2757.         // first checks

  2758. 

  2759.         if (pData->client != nullptr)

  2760.         {

  2761.             pData->engine->setLastError("Plugin client is already registered");

  2762.             return false;

  2763.         }

  2764. 

  2765.         if (filename == nullptr || filename[0] == '\0')

  2766.         {

  2767.             pData->engine->setLastError("null filename");

  2768.             return false;

  2769.         }

  2770. 

  2771.         // ---------------------------------------------------------------

  2772.         // open DLL

  2773. 

  2774.         if (! pData->libOpen(filename))

  2775.         {

  2776.             pData->engine->setLastError(pData->libError(filename));

  2777.             return false;

  2778.         }

  2779. 

  2780.         // ---------------------------------------------------------------

  2781.         // get DLL main entry

  2782. 

  2783.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2784. 

  2785.         if (descFn == nullptr)

  2786.         {

  2787.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2788.             return false;

  2789.         }

  2790. 

  2791.         // ---------------------------------------------------------------

  2792.         // get descriptor that matches label

  2793. 

  2794.         // if label is null, get first valid plugin

  2795.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2796. 

  2797.         for (ulong d=0;; ++d)

  2798.         {

  2799.             try {

  2800.                 fDssiDescriptor = descFn(d);

  2801.             }

  2802.             catch(...) {

  2803.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2804.                 fDescriptor     = nullptr;

  2805.                 fDssiDescriptor = nullptr;

  2806.                 break;

  2807.             }

  2808. 

  2809.             if (fDssiDescriptor == nullptr)

  2810.                 break;

  2811. 

  2812.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2813. 

  2814.             if (fDescriptor == nullptr)

  2815.             {

  2816.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2817.                 fDssiDescriptor = nullptr;

  2818.                 break;

  2819.             }

  2820.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2821.             {

  2822.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2823.                 fDescriptor     = nullptr;

  2824.                 fDssiDescriptor = nullptr;

  2825.                 break;

  2826.             }

  2827.             if (fDescriptor->run == nullptr)

  2828.             {

  2829.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2830.                 fDescriptor     = nullptr;

  2831.                 fDssiDescriptor = nullptr;

  2832.                 break;

  2833.             }

  2834. 

  2835.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2836.                 break;

  2837.         }

  2838. 

  2839.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2840.         {

  2841.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2842.             return false;

  2843.         }

  2844. 

  2845.         // ---------------------------------------------------------------

  2846.         // check if uses global instance

  2847. 

  2848.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2849.         {

  2850.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2851.             return false;

  2852.         }

  2853. 

  2854.         return init2(plugin, filename, name, options, nullptr);

  2855.     }

  2856. 

  2857.     bool init2(const CarlaPluginPtr plugin,

  2858.                const char* const filename, const char* name, const uint options,

  2859.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2860.     {

  2861.         // ---------------------------------------------------------------

  2862.         // check for fixed buffer size requirement

  2863. 

  2864.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2865. 

  2866.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2867.         {

  2868.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2869.                                         "The plugin requires a fixed block size which is not possible right now.");

  2870.             return false;

  2871.         }

  2872. 

  2873.         // ---------------------------------------------------------------

  2874.         // get info

  2875. 

  2876.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2877.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2878. 

  2879.         if (name == nullptr || name[0] == '\0')

  2880.         {

  2881.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2882.                 name = fRdfDescriptor->Title;

  2883.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2884.                 name = fDescriptor->Name;

  2885.             else

  2886.                 name = fDescriptor->Label;

  2887.         }

  2888. 

  2889.         pData->name = pData->engine->getUniquePluginName(name);

  2890.         pData->filename = carla_strdup(filename);

  2891. 

  2892.         // ---------------------------------------------------------------

  2893.         // register client

  2894. 

  2895.         pData->client = pData->engine->addClient(plugin);

  2896. 

  2897.         if (pData->client == nullptr || ! pData->client->isOk())

  2898.         {

  2899.             pData->engine->setLastError("Failed to register plugin client");

  2900.             return false;

  2901.         }

  2902. 

  2903.         // ---------------------------------------------------------------

  2904.         // initialize plugin

  2905. 

  2906.         if (! addInstance())

  2907.             return false;

  2908. 

  2909.         // ---------------------------------------------------------------

  2910.         // find latency port index

  2911. 

  2912.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2913.         {

  2914.             const int portType(fDescriptor->PortDescriptors[i]);

  2915. 

  2916.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2917.                 continue;

  2918. 

  2919.             const uint32_t index(iCtrl++);

  2920. 

  2921.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2922.                 continue;

  2923. 

  2924.             const char* const portName(fDescriptor->PortNames[i]);

  2925.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2926. 

  2927.             if (std::strcmp(portName, "latency")  == 0 ||

  2928.                 std::strcmp(portName, "_latency") == 0)

  2929.             {

  2930.                 fLatencyIndex = static_cast<int32_t>(index);

  2931.                 break;

  2932.             }

  2933.         }

  2934. 

  2935.         // ---------------------------------------------------------------

  2936.         // check for custom data extension

  2937. 

  2938.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2939.         {

  2940.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2941.             {

  2942.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2943.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2944.                     fUsesCustomData = true;

  2945. 

  2946.                 std::free(error);

  2947.             }

  2948.         }

  2949. 

  2950.         // ---------------------------------------------------------------

  2951.         // get engine options

  2952. 

  2953.         const EngineOptions& opts(pData->engine->getOptions());

  2954. 

  2955. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2956.         // ---------------------------------------------------------------

  2957.         // check for gui

  2958. 

  2959.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2960.         {

  2961.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2962.             {

  2963.                 fUiFilename = guiFilename;

  2964. 

  2965.                 CarlaString uiTitle;

  2966. 

  2967.                 if (pData->uiTitle.isNotEmpty())

  2968.                 {

  2969.                     uiTitle = pData->uiTitle;

  2970.                 }

  2971.                 else

  2972.                 {

  2973.                     uiTitle  = pData->name;

  2974.                     uiTitle += " (GUI)";

  2975.                 }

  2976. 

  2977.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  2978.             }

  2979.         }

  2980. #endif

  2981. 

  2982.         // ---------------------------------------------------------------

  2983.         // set options

  2984. 

  2985.         pData->options = 0x0;

  2986. 

  2987.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2988.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2989.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2990.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2991. 

  2992.         /**/ if (opts.forceStereo)

  2993.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2994.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2995.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2996. 

  2997.         if (fDssiDescriptor != nullptr)

  2998.         {

  2999.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3000.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3001.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3002. 

  3003.             if (fUsesCustomData)

  3004.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3005.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3006. 

  3007.             if (fDssiDescriptor->run_synth != nullptr)

  3008.             {

  3009.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3010.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3011.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3012.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3013.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3014.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3015.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3016.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3017.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3018.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3019.             }

  3020.         }

  3021. 

  3022.         return true;

  3023.     }

  3024. 

  3025.     // -------------------------------------------------------------------

  3026. 

  3027. private:

  3028.     LinkedList<LADSPA_Handle>    fHandles;

  3029.     const LADSPA_Descriptor*     fDescriptor;

  3030.     const DSSI_Descriptor*       fDssiDescriptor;

  3031.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3032. 

  3033.     float** fAudioInBuffers;

  3034.     float** fAudioOutBuffers;

  3035.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3036.     float*  fParamBuffers;

  3037. 

  3038.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3039. 

  3040.     int32_t fLatencyIndex; // -1 if invalid

  3041.     bool    fForcedStereoIn;

  3042.     bool    fForcedStereoOut;

  3043.     bool    fNeedsFixedBuffers;

  3044.     bool    fUsesCustomData;

  3045. 

  3046. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  3047.     CarlaOscData      fOscData;

  3048.     CarlaThreadDSSIUI fThreadUI;

  3049.     const char*       fUiFilename;

  3050. #endif

  3051. 

  3052.     // -------------------------------------------------------------------

  3053. 

  3054.     bool addInstance()

  3055.     {

  3056.         LADSPA_Handle handle;

  3057. 

  3058.         try {

  3059.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3060.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3061. 

  3062.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3063.         {

  3064.             const int32_t rindex(pData->param.data[i].rindex);

  3065.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3066. 

  3067.             try {

  3068.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3069.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3070.         }

  3071. 

  3072.         if (fHandles.append(handle))

  3073.             return true;

  3074. 

  3075.         try {

  3076.             fDescriptor->cleanup(handle);

  3077.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3078. 

  3079.         pData->engine->setLastError("Out of memory");

  3080.         return false;

  3081.     }

  3082. 

  3083.     uint32_t getSafePortCount() const noexcept

  3084.     {

  3085.         if (fDescriptor->PortCount == 0)

  3086.             return 0;

  3087. 

  3088.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3089.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3090.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3091. 

  3092.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3093.     }

  3094. 

  3095.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3096.     {

  3097.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3098.             return true;

  3099.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3100.             return true;

  3101.         return false;

  3102.     }

  3103. 

  3104.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3105.                                                      const bool wantName, const bool useBracket) noexcept

  3106.     {

  3107.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3108. 

  3109.         if (sepBracketStart == nullptr)

  3110.             return false;

  3111. 

  3112.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3113. 

  3114.         if (sepBracketEnd == nullptr)

  3115.             return false;

  3116. 

  3117.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3118. 

  3119.         if (unitSize > 7) // very unlikely to have such big unit

  3120.             return false;

  3121. 

  3122.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3123. 

  3124.         // just in case

  3125.         if (sepIndex > STR_MAX-3)

  3126.             return false;

  3127. 

  3128.         if (wantName)

  3129.         {

  3130.             std::strncpy(strBuf, paramName, sepIndex);

  3131.             strBuf[sepIndex] = '\0';

  3132.         }

  3133.         else

  3134.         {

  3135.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3136.             strBuf[unitSize] = '\0';

  3137.         }

  3138. 

  3139.         return true;

  3140.     }

  3141. 

  3142.     // -------------------------------------------------------------------

  3143. 

  3144.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3145. };

  3146. 

  3147. // -------------------------------------------------------------------------------------------------------------------

  3148. 

  3149. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3150. {

  3151.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3152.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3153. 

  3154.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3155. 

  3156.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3157.         return nullptr;

  3158. 

  3159.     return plugin;

  3160. }

  3161. 

  3162. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3163. {

  3164.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3165.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3166. 

  3167.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3168. 

  3169.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3170.         return nullptr;

  3171. 

  3172.     return plugin;

  3173. }

  3174. 

  3175. // -------------------------------------------------------------------------------------------------------------------

  3176. 

  3177. CARLA_BACKEND_END_NAMESPACE