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Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

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  1. // SPDX-FileCopyrightText: 2011-2025 Filipe Coelho <falktx@falktx.com>

  2. // SPDX-License-Identifier: GPL-2.0-or-later

  3. 

  4. #include "CarlaPluginInternal.hpp"

  5. #include "CarlaEngineUtils.hpp"

  6. 

  7. #include "CarlaBackendUtils.hpp"

  8. #include "CarlaLadspaUtils.hpp"

  9. #include "CarlaDssiUtils.hpp"

  10. #include "CarlaMathUtils.hpp"

  11. 

  12. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE) && !defined(CARLA_OS_WASM)

  13. # define CARLA_ENABLE_DSSI_PLUGIN_GUI

  14. # include "CarlaOscUtils.hpp"

  15. # include "CarlaScopeUtils.hpp"

  16. # include "CarlaThread.hpp"

  17. # include "extra/ScopedPointer.hpp"

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

  19. using water::ChildProcess;

  20. #endif

  21. 

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

  23.     /* check argument count */                                                                  \

  24.     if (argc != argcToCompare)                                                                  \

  25.     {                                                                                           \

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

  27.                      __FUNCTION__, argc, argcToCompare);                                        \

  28.         return;                                                                                 \

  29.     }                                                                                           \

  30.     if (argc > 0)                                                                               \

  31.     {                                                                                           \

  32.         /* check for nullness */                                                                \

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

  34.         {                                                                                       \

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

  36.                          __FUNCTION__);                                                         \

  37.             return;                                                                             \

  38.         }                                                                                       \

  39.         /* check argument types */                                                              \

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

  41.         {                                                                                       \

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

  43.                          __FUNCTION__, types, typesToCompare);                                  \

  44.             return;                                                                             \

  45.         }                                                                                       \

  46.     }

  47. 

  48. CARLA_BACKEND_START_NAMESPACE

  49. 

  50. #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  51. // -------------------------------------------------------------------

  52. // Fallback data

  53. 

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

  55. 

  56. // -------------------------------------------------------------------

  57. 

  58. class CarlaThreadDSSIUI : public CarlaThread

  59. {

  60. public:

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

  62.         : CarlaThread("CarlaThreadDSSIUI"),

  63.           kEngine(engine),

  64.           kPlugin(plugin),

  65.           fBinary(),

  66.           fLabel(),

  67.           fUiTitle(),

  68.           fOscData(oscData),

  69.           fProcess() {}

  70. 

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

  72.     {

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

  74.         CARLA_SAFE_ASSERT_RETURN(label != nullptr,);

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

  76.         CARLA_SAFE_ASSERT(! isThreadRunning());

  77. 

  78.         fBinary  = binary;

  79.         fLabel   = label;

  80.         fUiTitle = uiTitle;

  81. 

  82.         if (fLabel.isEmpty())

  83.             fLabel = "\"\"";

  84.     }

  85. 

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

  87.     {

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

  89. 

  90.         fUiTitle = uiTitle;

  91.     }

  92. 

  93.     uintptr_t getProcessId() const noexcept

  94.     {

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

  96. 

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

  98.     }

  99. 

  100.     void run()

  101.     {

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

  103. 

  104.         if (fProcess == nullptr)

  105.         {

  106.             fProcess = new ChildProcess();

  107.         }

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

  109.         {

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

  111. 

  112.             fProcess->kill();

  113.             fProcess = nullptr;

  114.             kEngine->callback(true, true,

  115.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  116.                               kPlugin->getId(),

  117.                               0,

  118.                               0, 0, 0.0f, nullptr);

  119.             return;

  120.         }

  121. 

  122.         water::String name(kPlugin->getName());

  123.         water::String filename(kPlugin->getFilename());

  124. 

  125.         if (name.isEmpty())

  126.             name = "(none)";

  127. 

  128.         if (filename.isEmpty())

  129.             filename = "\"\"";

  130. 

  131.         water::StringArray arguments;

  132. 

  133.         // binary

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

  135. 

  136.         // osc-url

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

  138. 

  139.         // filename

  140.         arguments.add(filename);

  141. 

  142.         // label

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

  144. 

  145.         // ui-title

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

  147. 

  148.         bool started;

  149. 

  150.         {

  151. #ifdef CARLA_OS_LINUX

  152.             /*

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

  154.              * If not, unset LD_PRELOAD.

  155.              */

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

  157. 

  158.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  159.             char winIdStr[STR_MAX+1];

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

  161. 

  162.             // for LD_PRELOAD

  163.             String ldPreloadValue;

  164. 

  165.             if (winId != 0)

  166.             {

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

  168.                 ldPreloadValue = (String(kEngine->getOptions().binaryDir)

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

  170.             }

  171.             else

  172.             {

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

  174.             }

  175. 

  176.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  179. #endif // CARLA_OS_LINUX

  180. 

  181.             // start the DSSI UI application

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

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

  184.         }

  185. 

  186.         if (! started)

  187.         {

  188.             carla_stdout("failed!");

  189.             fProcess = nullptr;

  190.             return;

  191.         }

  192. 

  193.         if (waitForOscGuiShow())

  194.         {

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

  196.                 d_msleep(100);

  197. 

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

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

  200.             {

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

  202. 

  203.                 if (fProcess->isRunning())

  204.                 {

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

  206.                     fProcess->kill();

  207.                 }

  208.                 else

  209.                 {

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

  211.                 }

  212.             }

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

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

  215.             else

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

  217.         }

  218.         else

  219.         {

  220.             fProcess->kill();

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

  222.         }

  223. 

  224.         fProcess = nullptr;

  225.         kEngine->callback(true, true,

  226.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  227.                           kPlugin->getId(),

  228.                           0,

  229.                           0, 0, 0.0f, nullptr);

  230. 

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

  232.     }

  233. 

  234. private:

  235.     CarlaEngine* const kEngine;

  236.     CarlaPlugin* const kPlugin;

  237. 

  238.     String fBinary;

  239.     String fLabel;

  240.     String fUiTitle;

  241. 

  242.     const CarlaOscData& fOscData;

  243.     ScopedPointer<ChildProcess> fProcess;

  244. 

  245.     bool waitForOscGuiShow()

  246.     {

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

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

  249. 

  250.         // wait for UI 'update' call

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

  252.         {

  253.             if (fOscData.target != nullptr)

  254.             {

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

  256.                 osc_send_show(fOscData);

  257.                 return true;

  258.             }

  259. 

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

  261.                 d_msleep(100);

  262.             else

  263.                 return false;

  264.         }

  265. 

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

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

  268.         return false;

  269.     }

  270. 

  271.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  272. };

  273. #endif

  274. 

  275. // -----------------------------------------------------

  276. 

  277. class CarlaPluginLADSPADSSI : public CarlaPlugin

  278. {

  279. public:

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

  281.         : CarlaPlugin(engine, id),

  282.           fHandles(),

  283.           fDescriptor(nullptr),

  284.           fDssiDescriptor(nullptr),

  285.           fRdfDescriptor(nullptr),

  286.           fAudioInBuffers(nullptr),

  287.           fAudioOutBuffers(nullptr),

  288.           fExtraStereoBuffer(),

  289.           fParamBuffers(nullptr),

  290.           fLatencyIndex(-1),

  291.           fForcedStereoIn(false),

  292.           fForcedStereoOut(false),

  293.           fNeedsFixedBuffers(false),

  294.           fUsesCustomData(false)

  295.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  296.         , fOscData(),

  297.           fThreadUI(engine, this, fOscData),

  298.           fUiFilename(nullptr)

  299.        #endif

  300.     {

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

  302. 

  303.         carla_zeroPointers(fExtraStereoBuffer, 2);

  304.     }

  305. 

  306.     ~CarlaPluginLADSPADSSI() noexcept override

  307.     {

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

  309. 

  310.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  311.         // close UI

  312.         if (fUiFilename != nullptr)

  313.         {

  314.             showCustomUI(false);

  315. 

  316.             delete[] fUiFilename;

  317.             fUiFilename = nullptr;

  318.         }

  319.        #endif

  320. 

  321.         pData->singleMutex.lock();

  322.         pData->masterMutex.lock();

  323. 

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

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

  326. 

  327.         if (pData->active)

  328.         {

  329.             deactivate();

  330.             pData->active = false;

  331.         }

  332. 

  333.         if (fDescriptor != nullptr)

  334.         {

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

  336.             {

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

  338.                 {

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

  340.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  341. 

  342.                     try {

  343.                         fDescriptor->cleanup(handle);

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

  345.                 }

  346.             }

  347. 

  348.             fHandles.clear();

  349.             fDescriptor = nullptr;

  350.             fDssiDescriptor = nullptr;

  351.         }

  352. 

  353.         if (fRdfDescriptor != nullptr)

  354.         {

  355.             delete fRdfDescriptor;

  356.             fRdfDescriptor = nullptr;

  357.         }

  358. 

  359.         clearBuffers();

  360.     }

  361. 

  362.     // -------------------------------------------------------------------

  363.     // Information (base)

  364. 

  365.     PluginType getType() const noexcept override

  366.     {

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

  368.     }

  369. 

  370.     PluginCategory getCategory() const noexcept override

  371.     {

  372.         if (fRdfDescriptor != nullptr)

  373.         {

  374.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  375. 

  376.             // Specific Types

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

  378.                 return PLUGIN_CATEGORY_DELAY;

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

  380.                 return PLUGIN_CATEGORY_MODULATOR;

  381.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  382.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  384.                 return PLUGIN_CATEGORY_UTILITY;

  385. 

  386.             // Pre-set LADSPA Types

  387.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  388.                 return PLUGIN_CATEGORY_DYNAMICS;

  389.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  390.                 return PLUGIN_CATEGORY_MODULATOR;

  391.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  392.                 return PLUGIN_CATEGORY_EQ;

  393.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  394.                 return PLUGIN_CATEGORY_FILTER;

  395.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  396.                 return PLUGIN_CATEGORY_UTILITY;

  397.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  398.                 return PLUGIN_CATEGORY_OTHER;

  399.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  400.                 return PLUGIN_CATEGORY_DELAY;

  401.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  402.                 return PLUGIN_CATEGORY_SYNTH;

  403.         }

  404. 

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

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

  407.                 return PLUGIN_CATEGORY_SYNTH;

  408. 

  409.         return CarlaPlugin::getCategory();

  410.     }

  411. 

  412.     int64_t getUniqueId() const noexcept override

  413.     {

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

  415. 

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

  417.     }

  418. 

  419.     uint32_t getLatencyInFrames() const noexcept override

  420.     {

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

  422.             return 0;

  423. 

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

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

  426. 

  427.         return static_cast<uint32_t>(latency);

  428.     }

  429. 

  430.     // -------------------------------------------------------------------

  431.     // Information (count)

  432. 

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

  434.     {

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

  436. 

  437.         if (fRdfDescriptor == nullptr)

  438.             return 0;

  439. 

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

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

  442. 

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

  444.             return 0;

  445. 

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

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

  448.     }

  449. 

  450.     // -------------------------------------------------------------------

  451.     // Information (current data)

  452. 

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

  454.     {

  455.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  461. 

  462.         *dataPtr = nullptr;

  463. 

  464.         int ret = 0;

  465.         ulong dataSize = 0;

  466. 

  467.         try {

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

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

  470. 

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

  472.     }

  473. 

  474.     // -------------------------------------------------------------------

  475.     // Information (per-plugin data)

  476. 

  477.     uint getOptionsAvailable() const noexcept override

  478.     {

  479.         uint options = 0x0;

  480. 

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

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

  483.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  484. 

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

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

  487.             pass();

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

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

  490.             options |= PLUGIN_OPTION_FORCE_STEREO;

  491. 

  492.         if (fDssiDescriptor != nullptr)

  493.         {

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

  495.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  496. 

  497.             if (fUsesCustomData)

  498.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  499. 

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

  501.             {

  502.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  503.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  504.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  505.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  506.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  507.                 options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  508.             }

  509.         }

  510. 

  511.         return options;

  512.     }

  513. 

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

  515.     {

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

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

  518. 

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

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

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

  522. 

  523.         // not output, should be fine

  524.         return fParamBuffers[parameterId];

  525.     }

  526. 

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

  528.     {

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

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

  531. 

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

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

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

  535. 

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

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

  538. 

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

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

  541.     }

  542. 

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

  544.     {

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

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

  547. 

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

  549.         return true;

  550.     }

  551. 

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

  553.     {

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

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

  556. 

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

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

  559.         else

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

  561. 

  562.         return true;

  563.     }

  564. 

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

  566.     {

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

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

  569. 

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

  571.         return true;

  572.     }

  573. 

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

  575.     {

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

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

  578. 

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

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

  581.         else

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

  583. 

  584.         return true;

  585.     }

  586. 

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

  588.     {

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

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

  591. 

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

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

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

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

  596. 

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

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

  599. 

  600.         return true;

  601.     }

  602. 

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

  604.     {

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

  606. 

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

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

  609. 

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

  611.         {

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

  613. 

  614.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  615.             {

  616.                 switch (port.Unit)

  617.                 {

  618.                 case LADSPA_RDF_UNIT_DB:

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

  620.                     return true;

  621.                 case LADSPA_RDF_UNIT_COEF:

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

  623.                     return true;

  624.                 case LADSPA_RDF_UNIT_HZ:

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

  626.                     return true;

  627.                 case LADSPA_RDF_UNIT_S:

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

  629.                     return true;

  630.                 case LADSPA_RDF_UNIT_MS:

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

  632.                     return true;

  633.                 case LADSPA_RDF_UNIT_MIN:

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

  635.                     return true;

  636.                 }

  637.             }

  638.         }

  639. 

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

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

  642. 

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

  644.     }

  645. 

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

  647.     {

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

  649. 

  650.         if (fRdfDescriptor == nullptr)

  651.             return false;

  652. 

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

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

  655. 

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

  657.             return false;

  658. 

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

  660. 

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

  662.             return false;

  663. 

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

  665. 

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

  667.         return true;

  668.     }

  669. 

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

  671.     {

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

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

  674. 

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

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

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

  678. 

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

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

  681. 

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

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

  684. 

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

  686.         return true;

  687.     }

  688. 

  689.     // -------------------------------------------------------------------

  690.     // Set data (state)

  691. 

  692.     // nothing

  693. 

  694.     // -------------------------------------------------------------------

  695.     // Set data (internal stuff)

  696. 

  697.     void setId(const uint newId) noexcept override

  698.     {

  699.         CarlaPlugin::setId(newId);

  700. 

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

  702.         // FIXME - must be RT safe

  703.         showCustomUI(false);

  704.     }

  705. 

  706.     // -------------------------------------------------------------------

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

  708. 

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

  710.     {

  711.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  713. 

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

  715.         fParamBuffers[parameterId] = fixedValue;

  716. 

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

  718.     }

  719. 

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

  721.     {

  722.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  724. 

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

  726.         fParamBuffers[parameterId] = fixedValue;

  727. 

  728.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue, frameOffset, sendCallbackLater);

  729.     }

  730. 

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

  732.     {

  733.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  736.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  738. 

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

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

  741. 

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

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

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

  745. 

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

  747.         {

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

  749.             {

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

  751.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  752. 

  753.                 try {

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

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

  756.             }

  757.         }

  758. 

  759.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

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

  761.             osc_send_configure(fOscData, key, value);

  762.        #endif

  763. 

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

  765.         {

  766.             const ScopedSingleProcessLocker spl(this, true);

  767.             reloadPrograms(false);

  768.         }

  769. 

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

  771.     }

  772. 

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

  774.     {

  775.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  777.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  779.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  780.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  781. 

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

  783.         {

  784.             const ScopedSingleProcessLocker spl(this, true);

  785. 

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

  787.             {

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

  789.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  790. 

  791.                 try {

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

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

  794.             }

  795.         }

  796. 

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

  798.     }

  799. 

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

  801.     {

  802.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  806. 

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

  808.         {

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

  810. 

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

  812.         }

  813. 

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

  815.     }

  816. 

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

  818.     {

  819.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  822. 

  823.         setMidiProgramInDSSI(uindex);

  824. 

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

  826.     }

  827. 

  828.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  829.     {

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

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

  832. 

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

  834.         {

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

  836.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  837. 

  838.             try {

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

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

  841.         }

  842.     }

  843. 

  844.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  845.     // -------------------------------------------------------------------

  846.     // Set ui stuff

  847. 

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

  849.     {

  850.         fThreadUI.setUITitle(title);

  851.         CarlaPlugin::setCustomUITitle(title);

  852.     }

  853. 

  854.     void showCustomUI(const bool yesNo) override

  855.     {

  856.         if (yesNo)

  857.         {

  858.             fOscData.clear();

  859.             fThreadUI.startThread();

  860.         }

  861.         else

  862.         {

  863.            #ifndef BUILD_BRIDGE

  864.             pData->transientTryCounter = 0;

  865.            #endif

  866. 

  867.             if (fOscData.target != nullptr)

  868.             {

  869.                 osc_send_hide(fOscData);

  870.                 osc_send_quit(fOscData);

  871.                 fOscData.clear();

  872.             }

  873. 

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

  875.         }

  876.     }

  877.    #endif

  878. 

  879.     // -------------------------------------------------------------------

  880.     // Plugin state

  881. 

  882.     void reload() override

  883.     {

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

  885.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  888. 

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

  890. 

  891.         // Safely disable plugin for reload

  892.         const ScopedDisabler sd(this);

  893. 

  894.         if (pData->active)

  895.             deactivate();

  896. 

  897.         clearBuffers();

  898. 

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

  900.         const uint32_t portCount(getSafePortCount());

  901. 

  902.         uint32_t aIns, aOuts, mIns, params;

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

  904. 

  905.         bool forcedStereoIn, forcedStereoOut;

  906.         forcedStereoIn = forcedStereoOut = false;

  907. 

  908.         bool needsCtrlIn, needsCtrlOut;

  909.         needsCtrlIn = needsCtrlOut = false;

  910. 

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

  912.         {

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

  914. 

  915.             if (LADSPA_IS_PORT_AUDIO(portType))

  916.             {

  917.                 if (LADSPA_IS_PORT_INPUT(portType))

  918.                     aIns += 1;

  919.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  920.                     aOuts += 1;

  921.             }

  922.             else if (LADSPA_IS_PORT_CONTROL(portType))

  923.                 params += 1;

  924.         }

  925. 

  926.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  927.         {

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

  929.             {

  930.                 if (aIns == 1)

  931.                 {

  932.                     aIns = 2;

  933.                     forcedStereoIn = true;

  934.                 }

  935.                 if (aOuts == 1)

  936.                 {

  937.                     aOuts = 2;

  938.                     forcedStereoOut = true;

  939.                 }

  940.             }

  941.         }

  942. 

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

  944.         {

  945.             mIns = 1;

  946.             needsCtrlIn = true;

  947.         }

  948. 

  949.         if (aIns > 0)

  950.         {

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

  952.             fAudioInBuffers = new float*[aIns];

  953. 

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

  955.                 fAudioInBuffers[i] = nullptr;

  956.         }

  957. 

  958.         if (aOuts > 0)

  959.         {

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

  961.             fAudioOutBuffers = new float*[aOuts];

  962.             needsCtrlIn = true;

  963. 

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

  965.                 fAudioOutBuffers[i] = nullptr;

  966.         }

  967. 

  968.         if (params > 0)

  969.         {

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

  971. 

  972.             fParamBuffers = new float[params];

  973.             carla_zeroFloats(fParamBuffers, params);

  974.         }

  975. 

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

  977.         String portName;

  978. 

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

  980.         {

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

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

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

  984. 

  985.             if (LADSPA_IS_PORT_AUDIO(portType))

  986.             {

  987.                 portName.clear();

  988. 

  989.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  990.                 {

  991.                     portName  = pData->name;

  992.                     portName += ":";

  993.                 }

  994. 

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

  996.                 {

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

  998.                 }

  999.                 else

  1000.                 {

  1001.                     if (LADSPA_IS_PORT_INPUT(portType))

  1002.                     {

  1003.                         if (aIns > 1)

  1004.                         {

  1005.                             portName += "audio-in_";

  1006.                             portName += String(iAudioIn+1);

  1007.                         }

  1008.                         else

  1009.                             portName += "audio-in";

  1010.                     }

  1011.                     else

  1012.                     {

  1013.                         if (aOuts > 1)

  1014.                         {

  1015.                             portName += "audio-out_";

  1016.                             portName += String(iAudioOut+1);

  1017.                         }

  1018.                         else

  1019.                             portName += "audio-out";

  1020.                     }

  1021.                 }

  1022. 

  1023.                 portName.truncate(portNameSize);

  1024. 

  1025.                 if (LADSPA_IS_PORT_INPUT(portType))

  1026.                 {

  1027.                     const uint32_t j = iAudioIn++;

  1028.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1029.                     pData->audioIn.ports[j].rindex = i;

  1030. 

  1031.                     if (forcedStereoIn)

  1032.                     {

  1033.                         portName += "_2";

  1034.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1035.                         pData->audioIn.ports[1].rindex = i;

  1036.                     }

  1037.                 }

  1038.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1039.                 {

  1040.                     const uint32_t j = iAudioOut++;

  1041.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1042.                     pData->audioOut.ports[j].rindex = i;

  1043. 

  1044.                     if (forcedStereoOut)

  1045.                     {

  1046.                         portName += "_2";

  1047.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1048.                         pData->audioOut.ports[1].rindex = i;

  1049.                     }

  1050.                 }

  1051.                 else

  1052.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1053.             }

  1054.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1055.             {

  1056.                 const uint32_t j = iCtrl++;

  1057.                 pData->param.data[j].index  = static_cast<int32_t>(j);

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

  1059. 

  1060.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1061. 

  1062.                 float min, max, def, step, stepSmall, stepLarge;

  1063. 

  1064.                 // min value

  1065.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1066.                     min = portRangeHints.LowerBound;

  1067.                 else

  1068.                     min = 0.0f;

  1069. 

  1070.                 // max value

  1071.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1072.                     max = portRangeHints.UpperBound;

  1073.                 else

  1074.                     max = 1.0f;

  1075. 

  1076.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1077.                 {

  1078.                     min *= sampleRate;

  1079.                     max *= sampleRate;

  1080.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1081.                 }

  1082. 

  1083.                 if (min >= max)

  1084.                 {

  1085.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1086.                     max = min + 0.1f;

  1087.                 }

  1088. 

  1089.                 // default value

  1090.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1091.                     def = fRdfDescriptor->Ports[i].Default;

  1092.                 else

  1093.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1094. 

  1095.                 if (def < min)

  1096.                     def = min;

  1097.                 else if (def > max)

  1098.                     def = max;

  1099. 

  1100.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1101.                 {

  1102.                     step = max - min;

  1103.                     stepSmall = step;

  1104.                     stepLarge = step;

  1105.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1106.                 }

  1107.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1108.                 {

  1109.                     step = 1.0f;

  1110.                     stepSmall = 1.0f;

  1111.                     stepLarge = 10.0f;

  1112.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1113.                 }

  1114.                 else

  1115.                 {

  1116.                     const float range = max - min;

  1117.                     step = range/100.0f;

  1118.                     stepSmall = range/1000.0f;

  1119.                     stepLarge = range/10.0f;

  1120.                 }

  1121. 

  1122.                 if (LADSPA_IS_PORT_INPUT(portType))

  1123.                 {

  1124.                     pData->param.data[j].type   = PARAMETER_INPUT;

  1125.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

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

  1128.                     needsCtrlIn = true;

  1129. 

  1130.                     // MIDI CC value

  1131.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1132.                     {

  1133.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1134.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1135.                         {

  1136.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1137.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1138.                                 pData->param.data[j].mappedControlIndex = cc;

  1139.                         }

  1140.                     }

  1141.                 }

  1142.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1143.                 {

  1144.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1145. 

  1146.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1147.                     {

  1148.                         min = 0.0f;

  1149.                         max = sampleRate;

  1150.                         def = 0.0f;

  1151.                         step = 1.0f;

  1152.                         stepSmall = 1.0f;

  1153.                         stepLarge = 1.0f;

  1154.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1155.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1156.                     }

  1157.                     else

  1158.                     {

  1159.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

  1161.                         needsCtrlOut = true;

  1162.                     }

  1163.                 }

  1164.                 else

  1165.                 {

  1166.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1167.                 }

  1168. 

  1169.                 // extra parameter hints

  1170.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  1172. 

  1173.                 // check for scalepoints, require at least 2 to make it useful

  1174.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

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

  1176. 

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

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

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

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

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

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

  1183. 

  1184.                 // Start parameters in their default values

  1185.                 fParamBuffers[j] = def;

  1186. 

  1187.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1188.                 {

  1189.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1190.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1191. 

  1192.                     try {

  1193.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1194.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1195.                 }

  1196.             }

  1197.             else

  1198.             {

  1199.                 // Not Audio or Control

  1200.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1201. 

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

  1203.                 {

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

  1205.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1206. 

  1207.                     try {

  1208.                         fDescriptor->connect_port(handle, i, nullptr);

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

  1210.                 }

  1211.             }

  1212.         }

  1213. 

  1214.         if (needsCtrlIn)

  1215.         {

  1216.             portName.clear();

  1217. 

  1218.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1219.             {

  1220.                 portName  = pData->name;

  1221.                 portName += ":";

  1222.             }

  1223. 

  1224.             portName += "events-in";

  1225.             portName.truncate(portNameSize);

  1226. 

  1227.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1228.            #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1229.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1230.            #endif

  1231.         }

  1232. 

  1233.         if (needsCtrlOut)

  1234.         {

  1235.             portName.clear();

  1236. 

  1237.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1238.             {

  1239.                 portName  = pData->name;

  1240.                 portName += ":";

  1241.             }

  1242. 

  1243.             portName += "events-out";

  1244.             portName.truncate(portNameSize);

  1245. 

  1246.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1247.         }

  1248. 

  1249.         if (forcedStereoIn || forcedStereoOut)

  1250.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1251.         else

  1252.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1253. 

  1254.         // plugin hints

  1255.         pData->hints = 0x0;

  1256. 

  1257.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1258.             pData->hints |= PLUGIN_IS_RTSAFE;

  1259. 

  1260.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  1261.         if (fUiFilename != nullptr)

  1262.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1263.        #endif

  1264. 

  1265.        #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1266.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1267.             pData->hints |= PLUGIN_CAN_DRYWET;

  1268. 

  1269.         if (aOuts > 0)

  1270.             pData->hints |= PLUGIN_CAN_VOLUME;

  1271. 

  1272.         if (aOuts >= 2 && aOuts % 2 == 0)

  1273.             pData->hints |= PLUGIN_CAN_BALANCE;

  1274.        #endif

  1275. 

  1276.         // extra plugin hints

  1277.         pData->extraHints = 0x0;

  1278. 

  1279.         if (mIns > 0)

  1280.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1281. 

  1282.         // check initial latency

  1283.         findInitialLatencyValue(aIns, aOuts);

  1284. 

  1285.         fForcedStereoIn  = forcedStereoIn;

  1286.         fForcedStereoOut = forcedStereoOut;

  1287. 

  1288.         bufferSizeChanged(pData->engine->getBufferSize());

  1289.         reloadPrograms(true);

  1290. 

  1291.         if (pData->active)

  1292.             activate();

  1293. 

  1294.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1295.     }

  1296. 

  1297.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1298.     {

  1299.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1300.             return;

  1301. 

  1302.         // we need to pre-run the plugin so it can update its latency control-port

  1303.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1304.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1305. 

  1306.         float tmpIn[64][2];

  1307.         float tmpOut[64][2];

  1308. 

  1309.         for (uint32_t j=0; j < aIns; ++j)

  1310.         {

  1311.             tmpIn[j][0] = 0.0f;

  1312.             tmpIn[j][1] = 0.0f;

  1313. 

  1314.             try {

  1315.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1316.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1317.         }

  1318. 

  1319.         for (uint32_t j=0; j < aOuts; ++j)

  1320.         {

  1321.             tmpOut[j][0] = 0.0f;

  1322.             tmpOut[j][1] = 0.0f;

  1323. 

  1324.             try {

  1325.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1326.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1327.         }

  1328. 

  1329.         if (fDescriptor->activate != nullptr)

  1330.         {

  1331.             try {

  1332.                 fDescriptor->activate(handle);

  1333.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1334.         }

  1335. 

  1336.         try {

  1337.             fDescriptor->run(handle, 2);

  1338.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1339. 

  1340.         if (fDescriptor->deactivate != nullptr)

  1341.         {

  1342.             try {

  1343.                 fDescriptor->deactivate(handle);

  1344.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1345.         }

  1346. 

  1347.         // done, let's get the value

  1348.         if (const uint32_t latency = getLatencyInFrames())

  1349.         {

  1350.             pData->client->setLatency(latency);

  1351. #ifndef BUILD_BRIDGE

  1352.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1353. #endif

  1354.         }

  1355.     }

  1356. 

  1357.     void reloadPrograms(const bool doInit) override

  1358.     {

  1359.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1360. 

  1361.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1362.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1363. 

  1364.         const uint32_t oldCount = pData->midiprog.count;

  1365.         const int32_t  current  = pData->midiprog.current;

  1366. 

  1367.         // Delete old programs

  1368.         pData->midiprog.clear();

  1369. 

  1370.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1371.         if (fDssiDescriptor == nullptr)

  1372.             return;

  1373. 

  1374.         // Query new programs

  1375.         uint32_t newCount = 0;

  1376.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1377.         {

  1378.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1379.                 ++newCount;

  1380.         }

  1381. 

  1382.         if (newCount > 0)

  1383.         {

  1384.             pData->midiprog.createNew(newCount);

  1385. 

  1386.             // Update data

  1387.             for (uint32_t i=0; i < newCount; ++i)

  1388.             {

  1389.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1390.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1391.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1392. 

  1393.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

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

  1395.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1396.             }

  1397.         }

  1398. 

  1399.         if (doInit)

  1400.         {

  1401.             if (newCount > 0)

  1402.                 setMidiProgram(0, false, false, false, true);

  1403.         }

  1404.         else

  1405.         {

  1406.             // Check if current program is invalid

  1407.             bool programChanged = false;

  1408. 

  1409.             if (newCount == oldCount+1)

  1410.             {

  1411.                 // one midi program added, probably created by user

  1412.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1413.                 programChanged = true;

  1414.             }

  1415.             else if (current < 0 && newCount > 0)

  1416.             {

  1417.                 // programs exist now, but not before

  1418.                 pData->midiprog.current = 0;

  1419.                 programChanged = true;

  1420.             }

  1421.             else if (current >= 0 && newCount == 0)

  1422.             {

  1423.                 // programs existed before, but not anymore

  1424.                 pData->midiprog.current = -1;

  1425.                 programChanged = true;

  1426.             }

  1427.             else if (current >= static_cast<int32_t>(newCount))

  1428.             {

  1429.                 // current midi program > count

  1430.                 pData->midiprog.current = 0;

  1431.                 programChanged = true;

  1432.             }

  1433.             else

  1434.             {

  1435.                 // no change

  1436.                 pData->midiprog.current = current;

  1437.             }

  1438. 

  1439.             if (programChanged)

  1440.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1441. 

  1442.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1443.         }

  1444.     }

  1445. 

  1446.     // -------------------------------------------------------------------

  1447.     // Plugin processing

  1448. 

  1449.     void activate() noexcept override

  1450.     {

  1451.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1452. 

  1453.         if (fDescriptor->activate != nullptr)

  1454.         {

  1455.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1456.             {

  1457.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1458.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1459. 

  1460.                 try {

  1461.                     fDescriptor->activate(handle);

  1462.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1463.             }

  1464.         }

  1465.     }

  1466. 

  1467.     void deactivate() noexcept override

  1468.     {

  1469.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1470. 

  1471.         if (fDescriptor->deactivate != nullptr)

  1472.         {

  1473.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1474.             {

  1475.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1476.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1477. 

  1478.                 try {

  1479.                     fDescriptor->deactivate(handle);

  1480.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1481.             }

  1482.         }

  1483.     }

  1484. 

  1485.     void process(const float* const* const audioIn, float** const audioOut,

  1486.                  const float* const* const cvIn, float**,

  1487.                  const uint32_t frames) override

  1488.     {

  1489.         // --------------------------------------------------------------------------------------------------------

  1490.         // Check if active

  1491. 

  1492.         if (! pData->active)

  1493.         {

  1494.             // disable any output sound

  1495.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1496.                 carla_zeroFloats(audioOut[i], frames);

  1497.             return;

  1498.         }

  1499. 

  1500.         ulong midiEventCount = 0;

  1501.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1502. 

  1503.         // --------------------------------------------------------------------------------------------------------

  1504.         // Check if needs reset

  1505. 

  1506.         if (pData->needsReset)

  1507.         {

  1508.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1509.             {

  1510.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1511. 

  1512.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1513.                 {

  1514.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1515.                     fMidiEvents[i].data.control.channel = i;

  1516.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1517. 

  1518.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1519.                     fMidiEvents[k+i].data.control.channel = i;

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

  1521.                 }

  1522.             }

  1523.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1524.             {

  1525.                 midiEventCount = MAX_MIDI_NOTE;

  1526. 

  1527.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1528.                 {

  1529.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1530.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1531.                     fMidiEvents[i].data.note.note    = i;

  1532.                 }

  1533.             }

  1534. 

  1535.             pData->needsReset = false;

  1536.         }

  1537. 

  1538.         // --------------------------------------------------------------------------------------------------------

  1539.         // Event Input and Processing

  1540. 

  1541.         if (pData->event.portIn != nullptr)

  1542.         {

  1543.             // ----------------------------------------------------------------------------------------------------

  1544.             // MIDI Input (External)

  1545. 

  1546.             if (pData->extNotes.mutex.tryLock())

  1547.             {

  1548.                 ExternalMidiNote note = { 0, 0, 0 };

  1549. 

  1550.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1551.                 {

  1552.                     note = pData->extNotes.data.getFirst(note, true);

  1553.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1554. 

  1555.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1556.                     carla_zeroStruct(seqEvent);

  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.                 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.                     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.                             ctrlEvent.handled = true;

  1645.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1646.                             setParameterValueRT(k, value, event.time, true);

  1647.                             continue;

  1648.                         }

  1649. 

  1650.                         // Control backend stuff

  1651.                         if (event.channel == pData->ctrlChannel)

  1652.                         {

  1653.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1654.                             {

  1655.                                 ctrlEvent.handled = true;

  1656.                                 value = ctrlEvent.normalizedValue;

  1657.                                 setDryWetRT(value, true);

  1658.                             }

  1659.                             else if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1660.                             {

  1661.                                 ctrlEvent.handled = true;

  1662.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1663.                                 setVolumeRT(value, true);

  1664.                             }

  1665.                             else if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1666.                             {

  1667.                                 float left, right;

  1668.                                 value = ctrlEvent.normalizedValue/0.5f - 1.0f;

  1669. 

  1670.                                 if (value < 0.0f)

  1671.                                 {

  1672.                                     left  = -1.0f;

  1673.                                     right = (value*2.0f)+1.0f;

  1674.                                 }

  1675.                                 else if (value > 0.0f)

  1676.                                 {

  1677.                                     left  = (value*2.0f)-1.0f;

  1678.                                     right = 1.0f;

  1679.                                 }

  1680.                                 else

  1681.                                 {

  1682.                                     left  = -1.0f;

  1683.                                     right = 1.0f;

  1684.                                 }

  1685. 

  1686.                                 ctrlEvent.handled = true;

  1687.                                 setBalanceLeftRT(left, true);

  1688.                                 setBalanceRightRT(right, true);

  1689.                             }

  1690.                         }

  1691. #endif

  1692.                         // Control plugin parameters

  1693.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1694.                         {

  1695.                             if (pData->param.data[k].midiChannel != event.channel)

  1696.                                 continue;

  1697.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1698.                                 continue;

  1699.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1700.                                 continue;

  1701.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMATABLE) == 0)

  1702.                                 continue;

  1703. 

  1704.                             ctrlEvent.handled = true;

  1705.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1706.                             setParameterValueRT(k, value, event.time, true);

  1707.                         }

  1708. 

  1709.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1710.                         {

  1711.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1712.                                 continue;

  1713. 

  1714.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1715.                             carla_zeroStruct(seqEvent);

  1716. 

  1717.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1718. 

  1719.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1720.                             seqEvent.data.control.channel = event.channel;

  1721.                             seqEvent.data.control.param   = ctrlEvent.param;

  1722.                             seqEvent.data.control.value   = int8_t(ctrlEvent.normalizedValue*127.0f + 0.5f);

  1723.                         }

  1724. 

  1725. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1726.                         if (! ctrlEvent.handled)

  1727.                             checkForMidiLearn(event);

  1728. #endif

  1729.                         break;

  1730.                     } // case kEngineControlEventTypeParameter

  1731. 

  1732.                     case kEngineControlEventTypeMidiBank:

  1733.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1734.                             nextBankId = ctrlEvent.param;

  1735.                         break;

  1736. 

  1737.                     case kEngineControlEventTypeMidiProgram:

  1738.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1739.                         {

  1740.                             const uint32_t nextProgramId = ctrlEvent.param;

  1741. 

  1742.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1743.                             {

  1744.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1745.                                 {

  1746.                                     setMidiProgramRT(k, true);

  1747.                                     break;

  1748.                                 }

  1749.                             }

  1750.                         }

  1751.                         break;

  1752. 

  1753.                     case kEngineControlEventTypeAllSoundOff:

  1754.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1755.                         {

  1756.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1757.                                 continue;

  1758. 

  1759.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1760.                             carla_zeroStruct(seqEvent);

  1761. 

  1762.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1763. 

  1764.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1765.                             seqEvent.data.control.channel = event.channel;

  1766.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1767.                         }

  1768.                         break;

  1769. 

  1770.                     case kEngineControlEventTypeAllNotesOff:

  1771.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1772.                         {

  1773. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1774.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1775.                             {

  1776.                                 allNotesOffSent = true;

  1777.                                 postponeRtAllNotesOff();

  1778.                             }

  1779. #endif

  1780. 

  1781.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1782.                                 continue;

  1783. 

  1784.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1785.                             carla_zeroStruct(seqEvent);

  1786. 

  1787.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1788. 

  1789.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1790.                             seqEvent.data.control.channel = event.channel;

  1791.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1792.                         }

  1793.                         break;

  1794.                     } // switch (ctrlEvent.type)

  1795.                     break;

  1796.                 } // case kEngineEventTypeControl

  1797. 

  1798.                 case kEngineEventTypeMidi: {

  1799.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1800.                         continue;

  1801. 

  1802.                     const EngineMidiEvent& midiEvent(event.midi);

  1803. 

  1804.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1805.                         continue;

  1806. 

  1807.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1808. 

  1809.                     // Fix bad note-off (per DSSI spec)

  1810.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1811.                         status = MIDI_STATUS_NOTE_OFF;

  1812. 

  1813.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1814.                     carla_zeroStruct(seqEvent);

  1815. 

  1816.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1817. 

  1818.                     switch (status)

  1819.                     {

  1820.                     case MIDI_STATUS_NOTE_OFF:

  1821.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1822.                         {

  1823.                             const uint8_t note = midiEvent.data[1];

  1824. 

  1825.                             seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1826.                             seqEvent.data.note.channel = event.channel;

  1827.                             seqEvent.data.note.note    = note;

  1828. 

  1829.                             pData->postponeNoteOffRtEvent(true, event.channel, note);

  1830.                         }

  1831.                         break;

  1832. 

  1833.                     case MIDI_STATUS_NOTE_ON:

  1834.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1835.                         {

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

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

  1838. 

  1839.                             seqEvent.type = SND_SEQ_EVENT_NOTEON;

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

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

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

  1843. 

  1844.                             pData->postponeNoteOnRtEvent(true, event.channel, note, velo);

  1845.                         }

  1846.                         break;

  1847. 

  1848.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1849.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1850.                         {

  1851.                             const uint8_t note     = midiEvent.data[1];

  1852.                             const uint8_t pressure = midiEvent.data[2];

  1853. 

  1854.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1855.                             seqEvent.data.note.channel  = event.channel;

  1856.                             seqEvent.data.note.note     = note;

  1857.                             seqEvent.data.note.velocity = pressure;

  1858.                         }

  1859.                         break;

  1860. 

  1861.                     case MIDI_STATUS_CONTROL_CHANGE:

  1862.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1863.                         {

  1864.                             const uint8_t control = midiEvent.data[1];

  1865.                             const uint8_t value   = midiEvent.data[2];

  1866. 

  1867.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1868.                             seqEvent.data.control.channel = event.channel;

  1869.                             seqEvent.data.control.param   = control;

  1870.                             seqEvent.data.control.value   = value;

  1871.                         }

  1872.                         break;

  1873. 

  1874.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1875.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1876.                         {

  1877.                             const uint8_t pressure = midiEvent.data[1];

  1878. 

  1879.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1880.                             seqEvent.data.control.channel = event.channel;

  1881.                             seqEvent.data.control.value   = pressure;

  1882.                         }

  1883.                         break;

  1884. 

  1885.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1886.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1887.                         {

  1888.                             const uint8_t lsb = midiEvent.data[1];

  1889.                             const uint8_t msb = midiEvent.data[2];

  1890. 

  1891.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1892.                             seqEvent.data.control.channel = event.channel;

  1893.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1894.                         }

  1895.                         break;

  1896. 

  1897.                     default:

  1898.                         --midiEventCount;

  1899.                         break;

  1900.                     } // switch (status)

  1901.                 } break;

  1902.                 } // switch (event.type)

  1903.             }

  1904. 

  1905.             pData->postRtEvents.trySplice();

  1906. 

  1907.             if (frames > timeOffset)

  1908.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1909. 

  1910.         } // End of Event Input and Processing

  1911. 

  1912.         // --------------------------------------------------------------------------------------------------------

  1913.         // Plugin processing (no events)

  1914. 

  1915.         else

  1916.         {

  1917.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1918. 

  1919.         } // End of Plugin processing (no events)

  1920. 

  1921.         // --------------------------------------------------------------------------------------------------------

  1922.         // Control Output

  1923. 

  1924.         if (pData->event.portOut != nullptr)

  1925.         {

  1926.             uint8_t  channel;

  1927.             uint16_t param;

  1928.             float    value;

  1929. 

  1930.             for (uint32_t k=0; k < pData->param.count; ++k)

  1931.             {

  1932.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1933.                     continue;

  1934. 

  1935.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1936. 

  1937.                 if (pData->param.data[k].mappedControlIndex > 0)

  1938.                 {

  1939.                     channel = pData->param.data[k].midiChannel;

  1940.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1941.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1942.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter,

  1943.                                                             param, -1, value);

  1944.                 }

  1945.             }

  1946.         } // End of Control Output

  1947. 

  1948. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1949.         return;

  1950. 

  1951.         // unused

  1952.         (void)cvIn;

  1953. #endif

  1954.     }

  1955. 

  1956.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1957.                        const uint32_t timeOffset, const ulong midiEventCount)

  1958.     {

  1959.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1960. 

  1961.         if (pData->audioIn.count > 0)

  1962.         {

  1963.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1964.         }

  1965.         if (pData->audioOut.count > 0)

  1966.         {

  1967.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1968.         }

  1969. 

  1970.         // --------------------------------------------------------------------------------------------------------

  1971.         // Try lock, silence otherwise

  1972. 

  1973. #ifndef STOAT_TEST_BUILD

  1974.         if (pData->engine->isOffline())

  1975.         {

  1976.             pData->singleMutex.lock();

  1977.         }

  1978.         else

  1979. #endif

  1980.         if (! pData->singleMutex.tryLock())

  1981.         {

  1982.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1983.             {

  1984.                 for (uint32_t k=0; k < frames; ++k)

  1985.                     audioOut[i][k+timeOffset] = 0.0f;

  1986.             }

  1987. 

  1988.             return false;

  1989.         }

  1990. 

  1991.         // --------------------------------------------------------------------------------------------------------

  1992.         // Set audio buffers

  1993. 

  1994.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1995.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1996. 

  1997.         if (! customMonoOut)

  1998.         {

  1999.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2000.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  2001.         }

  2002. 

  2003.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2004.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2005. 

  2006.         // --------------------------------------------------------------------------------------------------------

  2007.         // Run plugin

  2008. 

  2009.         uint instn = 0;

  2010.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2011.         {

  2012.             LADSPA_Handle const handle(it.getValue(nullptr));

  2013.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2014. 

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

  2016.             // Mixdown for forced stereo

  2017. 

  2018.             if (customMonoOut)

  2019.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2020. 

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

  2022.             // Run it

  2023. 

  2024.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2025.             {

  2026.                 try {

  2027.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2028.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2029.             }

  2030.             else

  2031.             {

  2032.                 try {

  2033.                     fDescriptor->run(handle, frames);

  2034.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2035.             }

  2036. 

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

  2038.             // Mixdown for forced stereo

  2039. 

  2040.             if (customMonoOut)

  2041.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2042.             else if (customStereoOut)

  2043.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2044.         }

  2045. 

  2046.         if (customStereoOut)

  2047.         {

  2048.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2049.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2050.         }

  2051. 

  2052. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2053.         // --------------------------------------------------------------------------------------------------------

  2054.         // Post-processing (dry/wet, volume and balance)

  2055. 

  2056.         {

  2057.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2058.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2059.             const bool isMono    = (pData->audioIn.count == 1);

  2060. 

  2061.             bool isPair;

  2062.             float bufValue;

  2063.             float* const oldBufLeft = pData->postProc.extraBuffer;

  2064. 

  2065.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2066.             {

  2067.                 // Dry/Wet

  2068.                 if (doDryWet)

  2069.                 {

  2070.                     const uint32_t c = isMono ? 0 : i;

  2071. 

  2072.                     for (uint32_t k=0; k < frames; ++k)

  2073.                     {

  2074. # ifndef BUILD_BRIDGE

  2075.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2076.                             bufValue = pData->latency.buffers[c][k];

  2077.                         else if (pData->latency.frames < frames)

  2078.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2079.                         else

  2080. # endif

  2081.                             bufValue = fAudioInBuffers[c][k];

  2082. 

  2083.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2084.                     }

  2085.                 }

  2086. 

  2087.                 // Balance

  2088.                 if (doBalance)

  2089.                 {

  2090.                     isPair = (i % 2 == 0);

  2091. 

  2092.                     if (isPair)

  2093.                     {

  2094.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2095.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2096.                     }

  2097. 

  2098.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2099.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2100. 

  2101.                     for (uint32_t k=0; k < frames; ++k)

  2102.                     {

  2103.                         if (isPair)

  2104.                         {

  2105.                             // left

  2106.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2107.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2108.                         }

  2109.                         else

  2110.                         {

  2111.                             // right

  2112.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2113.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2114.                         }

  2115.                     }

  2116.                 }

  2117. 

  2118.                 // Volume (and buffer copy)

  2119.                 {

  2120.                     for (uint32_t k=0; k < frames; ++k)

  2121.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2122.                 }

  2123.             }

  2124. 

  2125.         } // End of Post-processing

  2126. 

  2127. # ifndef BUILD_BRIDGE

  2128.         // --------------------------------------------------------------------------------------------------------

  2129.         // Save latency values for next callback

  2130. 

  2131.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2132.         {

  2133.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2134.             const uint32_t latframes = pData->latency.frames;

  2135. 

  2136.             if (latframes <= frames)

  2137.             {

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

  2139.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2140.             }

  2141.             else

  2142.             {

  2143.                 const uint32_t diff = latframes - frames;

  2144. 

  2145.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2146.                 {

  2147.                     // push back buffer by 'frames'

  2148.                     for (k=0; k < diff; ++k)

  2149.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2150. 

  2151.                     // put current input at the end

  2152.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2153.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2154.                 }

  2155.             }

  2156.         }

  2157. # endif

  2158. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2159.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2160.         {

  2161.             for (uint32_t k=0; k < frames; ++k)

  2162.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2163.         }

  2164. #endif

  2165. 

  2166.         // --------------------------------------------------------------------------------------------------------

  2167. 

  2168.         pData->singleMutex.unlock();

  2169.         return true;

  2170.     }

  2171. 

  2172.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2173.     {

  2174.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2175.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2176. 

  2177.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2178.         {

  2179.             if (fAudioInBuffers[i] != nullptr)

  2180.                 delete[] fAudioInBuffers[i];

  2181. 

  2182.             fAudioInBuffers[i] = new float[newBufferSize];

  2183.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2184.         }

  2185. 

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

  2187.         {

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

  2189.                 delete[] fAudioOutBuffers[i];

  2190. 

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

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

  2193.         }

  2194. 

  2195.         if (fExtraStereoBuffer[0] != nullptr)

  2196.         {

  2197.             delete[] fExtraStereoBuffer[0];

  2198.             fExtraStereoBuffer[0] = nullptr;

  2199.         }

  2200. 

  2201.         if (fExtraStereoBuffer[1] != nullptr)

  2202.         {

  2203.             delete[] fExtraStereoBuffer[1];

  2204.             fExtraStereoBuffer[1] = nullptr;

  2205.         }

  2206. 

  2207.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2208.         {

  2209.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2210.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2211.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2212.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2213.         }

  2214. 

  2215.         reconnectAudioPorts();

  2216. 

  2217.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2218. 

  2219.         CarlaPlugin::bufferSizeChanged(newBufferSize);

  2220.     }

  2221. 

  2222.     void sampleRateChanged(const double newSampleRate) override

  2223.     {

  2224.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2225.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2226. 

  2227.         // TODO - handle UI stuff

  2228. 

  2229.         if (pData->active)

  2230.             deactivate();

  2231. 

  2232.         const std::size_t instanceCount(fHandles.count());

  2233. 

  2234.         if (fDescriptor->cleanup != nullptr)

  2235.         {

  2236.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2237.             {

  2238.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2239.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2240. 

  2241.                 try {

  2242.                     fDescriptor->cleanup(handle);

  2243.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2244.             }

  2245.         }

  2246. 

  2247.         fHandles.clear();

  2248. 

  2249.         for (std::size_t i=0; i<instanceCount; ++i)

  2250.             addInstance();

  2251. 

  2252.         reconnectAudioPorts();

  2253. 

  2254.         if (pData->active)

  2255.             activate();

  2256. 

  2257.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2258.     }

  2259. 

  2260.     void reconnectAudioPorts() const noexcept

  2261.     {

  2262.         if (fForcedStereoIn)

  2263.         {

  2264.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2265.             {

  2266.                 try {

  2267.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2268.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2269.             }

  2270. 

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

  2272.             {

  2273.                 try {

  2274.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

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

  2276.             }

  2277.         }

  2278.         else

  2279.         {

  2280.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2281.             {

  2282.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2283.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2284. 

  2285.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2286.                 {

  2287.                     try {

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

  2289.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2290.                 }

  2291.             }

  2292.         }

  2293. 

  2294.         if (fForcedStereoOut)

  2295.         {

  2296.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2297.             {

  2298.                 try {

  2299.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2300.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2301.             }

  2302. 

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

  2304.             {

  2305.                 try {

  2306.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

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

  2308.             }

  2309.         }

  2310.         else

  2311.         {

  2312.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2313.             {

  2314.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2315.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2316. 

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

  2318.                 {

  2319.                     try {

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

  2321.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2322.                 }

  2323.             }

  2324.         }

  2325.     }

  2326. 

  2327.     // -------------------------------------------------------------------

  2328.     // Plugin buffers

  2329. 

  2330.     void clearBuffers() noexcept override

  2331.     {

  2332.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2333. 

  2334.         if (fAudioInBuffers != nullptr)

  2335.         {

  2336.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2337.             {

  2338.                 if (fAudioInBuffers[i] != nullptr)

  2339.                 {

  2340.                     delete[] fAudioInBuffers[i];

  2341.                     fAudioInBuffers[i] = nullptr;

  2342.                 }

  2343.             }

  2344. 

  2345.             delete[] fAudioInBuffers;

  2346.             fAudioInBuffers = nullptr;

  2347.         }

  2348. 

  2349.         if (fAudioOutBuffers != nullptr)

  2350.         {

  2351.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2352.             {

  2353.                 if (fAudioOutBuffers[i] != nullptr)

  2354.                 {

  2355.                     delete[] fAudioOutBuffers[i];

  2356.                     fAudioOutBuffers[i] = nullptr;

  2357.                 }

  2358.             }

  2359. 

  2360.             delete[] fAudioOutBuffers;

  2361.             fAudioOutBuffers = nullptr;

  2362.         }

  2363. 

  2364.         if (fExtraStereoBuffer[0] != nullptr)

  2365.         {

  2366.             delete[] fExtraStereoBuffer[0];

  2367.             fExtraStereoBuffer[0] = nullptr;

  2368.         }

  2369. 

  2370.         if (fExtraStereoBuffer[1] != nullptr)

  2371.         {

  2372.             delete[] fExtraStereoBuffer[1];

  2373.             fExtraStereoBuffer[1] = nullptr;

  2374.         }

  2375. 

  2376.         if (fParamBuffers != nullptr)

  2377.         {

  2378.             delete[] fParamBuffers;

  2379.             fParamBuffers = nullptr;

  2380.         }

  2381. 

  2382.         CarlaPlugin::clearBuffers();

  2383. 

  2384.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2385.     }

  2386. 

  2387.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2388.     // -------------------------------------------------------------------

  2389.     // OSC stuff

  2390. 

  2391.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, void* const msg) override

  2392.     {

  2393.         const lo_address source = lo_message_get_source(static_cast<lo_message>(msg));

  2394.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2395. 

  2396.         // protocol for DSSI UIs *must* be UDP

  2397.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2398. 

  2399.         if (fOscData.source == nullptr)

  2400.         {

  2401.             // if no UI is registered yet only "configure" and "update" messages are valid

  2402.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2403.         }

  2404.         else

  2405.         {

  2406.             // make sure message source is the DSSI UI

  2407.             const char* const msghost = lo_address_get_hostname(source);

  2408.             const char* const msgport = lo_address_get_port(source);

  2409. 

  2410.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2411.             const char* const ourport = lo_address_get_port(fOscData.source);

  2412. 

  2413.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2414.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2415.         }

  2416. 

  2417.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2418. 

  2419.         if (std::strcmp(method, "configure") == 0)

  2420.             return handleOscMessageConfigure(argc, argv, types);

  2421.         if (std::strcmp(method, "control") == 0)

  2422.             return handleOscMessageControl(argc, argv, types);

  2423.         if (std::strcmp(method, "program") == 0)

  2424.             return handleOscMessageProgram(argc, argv, types);

  2425.         if (std::strcmp(method, "midi") == 0)

  2426.             return handleOscMessageMIDI(argc, argv, types);

  2427.         if (std::strcmp(method, "update") == 0)

  2428.             return handleOscMessageUpdate(argc, argv, types, source);

  2429.         if (std::strcmp(method, "exiting") == 0)

  2430.             return handleOscMessageExiting();

  2431. 

  2432.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2433.     }

  2434. 

  2435.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2436.     {

  2437.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2438.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2439. 

  2440.         const char* const key   = (const char*)&argv[0]->s;

  2441.         const char* const value = (const char*)&argv[1]->s;

  2442. 

  2443.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2444.     }

  2445. 

  2446.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2447.     {

  2448.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2449.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2450. 

  2451.         const int32_t rindex = argv[0]->i;

  2452.         const float   value  = argv[1]->f;

  2453. 

  2454.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2455.     }

  2456. 

  2457.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2458.     {

  2459.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2460.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2461. 

  2462.         const int32_t bank    = argv[0]->i;

  2463.         const int32_t program = argv[1]->i;

  2464. 

  2465.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2466.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2467. 

  2468.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2469.     }

  2470. 

  2471.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2472.     {

  2473.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2474.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2475. 

  2476.         if (getMidiInCount() == 0)

  2477.         {

  2478.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2479.             return;

  2480.         }

  2481. 

  2482.         const uint8_t* const data = argv[0]->m;

  2483.         uint8_t status  = data[1];

  2484.         uint8_t channel = status & 0x0F;

  2485. 

  2486.         // Fix bad note-off

  2487.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2488.             status = MIDI_STATUS_NOTE_OFF;

  2489. 

  2490.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2491.         {

  2492.             const uint8_t note = data[2];

  2493. 

  2494.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2495. 

  2496.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2497.         }

  2498.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2499.         {

  2500.             const uint8_t note = data[2];

  2501.             const uint8_t velo = data[3];

  2502. 

  2503.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2504.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2505. 

  2506.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2507.         }

  2508.     }

  2509. 

  2510.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2511.     {

  2512.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2513.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2514. 

  2515.         const char* const url = (const char*)&argv[0]->s;

  2516. 

  2517.         // FIXME - remove debug prints later

  2518.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2519. 

  2520.         fOscData.clear();

  2521. 

  2522.         const int proto = lo_address_get_protocol(source);

  2523. 

  2524.         {

  2525.             const char* host = lo_address_get_hostname(source);

  2526.             const char* port = lo_address_get_port(source);

  2527.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2528. 

  2529.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2530.         }

  2531. 

  2532.         {

  2533.             char* host = lo_url_get_hostname(url);

  2534.             char* port = lo_url_get_port(url);

  2535.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2536.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2537.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2538. 

  2539.             std::free(host);

  2540.             std::free(port);

  2541.         }

  2542. 

  2543.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2544. 

  2545.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2546.         {

  2547.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2548.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2549. 

  2550.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2551.                 osc_send_configure(fOscData, customData.key, customData.value);

  2552.         }

  2553. 

  2554.         if (pData->prog.current >= 0)

  2555.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2556. 

  2557.         if (pData->midiprog.current >= 0)

  2558.         {

  2559.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2560.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2561.         }

  2562. 

  2563.         for (uint32_t i=0; i < pData->param.count; ++i)

  2564.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2565. 

  2566.        #ifndef BUILD_BRIDGE

  2567.         if (pData->engine->getOptions().frontendWinId != 0)

  2568.             pData->transientTryCounter = 1;

  2569.        #endif

  2570. 

  2571.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2572.     }

  2573. 

  2574.     void handleOscMessageExiting()

  2575.     {

  2576.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2577. 

  2578.         // hide UI

  2579.         showCustomUI(false);

  2580. 

  2581.         // tell frontend

  2582.         pData->engine->callback(true, true,

  2583.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2584.                                 pData->id,

  2585.                                 0,

  2586.                                 0, 0, 0.0f, nullptr);

  2587.     }

  2588. 

  2589.     // -------------------------------------------------------------------

  2590.     // Post-poned UI Stuff

  2591. 

  2592.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2593.     {

  2594.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2595. 

  2596.         if (fOscData.target == nullptr)

  2597.             return;

  2598. 

  2599.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2600.     }

  2601. 

  2602.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2603.     {

  2604.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2605. 

  2606.         if (fOscData.target == nullptr)

  2607.             return;

  2608. 

  2609.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2610.     }

  2611. 

  2612.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2613.     {

  2614.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2615.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2616.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  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] = velo;

  2627. 

  2628.         osc_send_midi(fOscData, midiData);

  2629.        #endif

  2630.     }

  2631. 

  2632.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2633.     {

  2634.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2635.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2636. 

  2637.         if (fOscData.target == nullptr)

  2638.             return;

  2639. 

  2640.        #if 0

  2641.         uint8_t midiData[4];

  2642.         midiData[0] = 0;

  2643.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2644.         midiData[2] = note;

  2645.         midiData[3] = 0;

  2646. 

  2647.         osc_send_midi(fOscData, midiData);

  2648.        #endif

  2649.     }

  2650.    #endif // CARLA_ENABLE_DSSI_PLUGIN_GUI

  2651. 

  2652.     // -------------------------------------------------------------------

  2653. 

  2654.     const void* getNativeDescriptor() const noexcept override

  2655.     {

  2656.         return fDssiDescriptor != nullptr

  2657.                ? (const void*)fDssiDescriptor

  2658.                : (const void*)fDescriptor;

  2659.     }

  2660. 

  2661.     const void* getExtraStuff() const noexcept override

  2662.     {

  2663.         if (fDssiDescriptor != nullptr)

  2664.         {

  2665.            #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2666.             return fUiFilename;

  2667.            #else

  2668.             return nullptr;

  2669.            #endif

  2670.         }

  2671.         return fRdfDescriptor;

  2672.     }

  2673. 

  2674.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2675.     uintptr_t getUiBridgeProcessId() const noexcept override

  2676.     {

  2677.         return fThreadUI.getProcessId();

  2678.     }

  2679.    #endif

  2680. 

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

  2682. 

  2683.     bool initLADSPA(const CarlaPluginPtr plugin,

  2684.                     const char* const filename, const char* name, const char* const label, const uint options,

  2685.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2686.     {

  2687.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2688. 

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

  2690.         // first checks

  2691. 

  2692.         if (pData->client != nullptr)

  2693.         {

  2694.             pData->engine->setLastError("Plugin client is already registered");

  2695.             return false;

  2696.         }

  2697. 

  2698.         if (filename == nullptr || filename[0] == '\0')

  2699.         {

  2700.             pData->engine->setLastError("null filename");

  2701.             return false;

  2702.         }

  2703. 

  2704.         // ---------------------------------------------------------------

  2705.         // open DLL

  2706. 

  2707.         if (! pData->libOpen(filename))

  2708.         {

  2709.             pData->engine->setLastError(pData->libError(filename));

  2710.             return false;

  2711.         }

  2712. 

  2713.         // ---------------------------------------------------------------

  2714.         // get DLL main entry

  2715. 

  2716.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2717. 

  2718.         if (descFn == nullptr)

  2719.         {

  2720.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2721.             return false;

  2722.         }

  2723. 

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

  2725.         // get descriptor that matches label

  2726. 

  2727.         // if label is null, get first valid plugin

  2728.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2729. 

  2730.         for (ulong d=0;; ++d)

  2731.         {

  2732.             try {

  2733.                 fDescriptor = descFn(d);

  2734.             }

  2735.             catch(...) {

  2736.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2737.                 fDescriptor = nullptr;

  2738.                 break;

  2739.             }

  2740. 

  2741.             if (fDescriptor == nullptr)

  2742.                 break;

  2743. 

  2744.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2745.             {

  2746.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2747.                 fDescriptor = nullptr;

  2748.                 break;

  2749.             }

  2750.             if (fDescriptor->run == nullptr)

  2751.             {

  2752.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2753.                 fDescriptor = nullptr;

  2754.                 break;

  2755.             }

  2756. 

  2757.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2758.                 break;

  2759.         }

  2760. 

  2761.         if (fDescriptor == nullptr)

  2762.         {

  2763.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2764.             return false;

  2765.         }

  2766. 

  2767.         return init2(plugin, filename, name, options, rdfDescriptor);

  2768.     }

  2769. 

  2770.     bool initDSSI(const CarlaPluginPtr plugin,

  2771.                   const char* const filename, const char* name, const char* const label, const uint options)

  2772.     {

  2773.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2774. 

  2775.         // ---------------------------------------------------------------

  2776.         // first checks

  2777. 

  2778.         if (pData->client != nullptr)

  2779.         {

  2780.             pData->engine->setLastError("Plugin client is already registered");

  2781.             return false;

  2782.         }

  2783. 

  2784.         if (filename == nullptr || filename[0] == '\0')

  2785.         {

  2786.             pData->engine->setLastError("null filename");

  2787.             return false;

  2788.         }

  2789. 

  2790.         // ---------------------------------------------------------------

  2791.         // open DLL

  2792. 

  2793.         if (! pData->libOpen(filename))

  2794.         {

  2795.             pData->engine->setLastError(pData->libError(filename));

  2796.             return false;

  2797.         }

  2798. 

  2799.         // ---------------------------------------------------------------

  2800.         // get DLL main entry

  2801. 

  2802.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2803. 

  2804.         if (descFn == nullptr)

  2805.         {

  2806.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2807.             return false;

  2808.         }

  2809. 

  2810.         // ---------------------------------------------------------------

  2811.         // get descriptor that matches label

  2812. 

  2813.         // if label is null, get first valid plugin

  2814.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2815. 

  2816.         for (ulong d=0;; ++d)

  2817.         {

  2818.             try {

  2819.                 fDssiDescriptor = descFn(d);

  2820.             }

  2821.             catch(...) {

  2822.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2823.                 fDescriptor     = nullptr;

  2824.                 fDssiDescriptor = nullptr;

  2825.                 break;

  2826.             }

  2827. 

  2828.             if (fDssiDescriptor == nullptr)

  2829.                 break;

  2830. 

  2831.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2832. 

  2833.             if (fDescriptor == nullptr)

  2834.             {

  2835.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2836.                 fDssiDescriptor = nullptr;

  2837.                 break;

  2838.             }

  2839.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2840.             {

  2841.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2842.                 fDescriptor     = nullptr;

  2843.                 fDssiDescriptor = nullptr;

  2844.                 break;

  2845.             }

  2846.             if (fDescriptor->run == nullptr)

  2847.             {

  2848.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2849.                 fDescriptor     = nullptr;

  2850.                 fDssiDescriptor = nullptr;

  2851.                 break;

  2852.             }

  2853. 

  2854.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2855.                 break;

  2856.         }

  2857. 

  2858.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2859.         {

  2860.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2861.             return false;

  2862.         }

  2863. 

  2864.         // ---------------------------------------------------------------

  2865.         // check if uses global instance

  2866. 

  2867.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2868.         {

  2869.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2870.             return false;

  2871.         }

  2872. 

  2873.         return init2(plugin, filename, name, options, nullptr);

  2874.     }

  2875. 

  2876.     bool init2(const CarlaPluginPtr plugin,

  2877.                const char* const filename, const char* name, const uint options,

  2878.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2879.     {

  2880.         // ---------------------------------------------------------------

  2881.         // check for fixed buffer size requirement

  2882. 

  2883.         fNeedsFixedBuffers = String(filename).contains("dssi-vst", true);

  2884. 

  2885.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2886.         {

  2887.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2888.                                         "The plugin requires a fixed block size which is not possible right now.");

  2889.             return false;

  2890.         }

  2891. 

  2892.         // ---------------------------------------------------------------

  2893.         // get info

  2894. 

  2895.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2896.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2897. 

  2898.         if (name == nullptr || name[0] == '\0')

  2899.         {

  2900.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2901.                 name = fRdfDescriptor->Title;

  2902.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2903.                 name = fDescriptor->Name;

  2904.             else

  2905.                 name = fDescriptor->Label;

  2906.         }

  2907. 

  2908.         pData->name = pData->engine->getUniquePluginName(name);

  2909.         pData->filename = carla_strdup(filename);

  2910. 

  2911.         // ---------------------------------------------------------------

  2912.         // register client

  2913. 

  2914.         pData->client = pData->engine->addClient(plugin);

  2915. 

  2916.         if (pData->client == nullptr || ! pData->client->isOk())

  2917.         {

  2918.             pData->engine->setLastError("Failed to register plugin client");

  2919.             return false;

  2920.         }

  2921. 

  2922.         // ---------------------------------------------------------------

  2923.         // initialize plugin

  2924. 

  2925.         if (! addInstance())

  2926.             return false;

  2927. 

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

  2929.         // find latency port index

  2930. 

  2931.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2932.         {

  2933.             const int portType(fDescriptor->PortDescriptors[i]);

  2934. 

  2935.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2936.                 continue;

  2937. 

  2938.             const uint32_t index(iCtrl++);

  2939. 

  2940.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2941.                 continue;

  2942. 

  2943.             const char* const portName(fDescriptor->PortNames[i]);

  2944.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2945. 

  2946.             if (std::strcmp(portName, "latency")  == 0 ||

  2947.                 std::strcmp(portName, "_latency") == 0)

  2948.             {

  2949.                 fLatencyIndex = static_cast<int32_t>(index);

  2950.                 break;

  2951.             }

  2952.         }

  2953. 

  2954.         // ---------------------------------------------------------------

  2955.         // check for custom data extension

  2956. 

  2957.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2958.         {

  2959.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2960.             {

  2961.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2962.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2963.                     fUsesCustomData = true;

  2964. 

  2965.                 std::free(error);

  2966.             }

  2967.         }

  2968. 

  2969.         // ---------------------------------------------------------------

  2970.         // get engine options

  2971. 

  2972.         const EngineOptions& opts(pData->engine->getOptions());

  2973. 

  2974.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2975.         // ---------------------------------------------------------------

  2976.         // check for gui

  2977. 

  2978.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2979.         {

  2980.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2981.             {

  2982.                 fUiFilename = guiFilename;

  2983. 

  2984.                 String uiTitle;

  2985. 

  2986.                 if (pData->uiTitle.isNotEmpty())

  2987.                 {

  2988.                     uiTitle = pData->uiTitle;

  2989.                 }

  2990.                 else

  2991.                 {

  2992.                     uiTitle  = pData->name;

  2993.                     uiTitle += " (GUI)";

  2994.                 }

  2995. 

  2996.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  2997.             }

  2998.         }

  2999.        #endif

  3000. 

  3001.         // ---------------------------------------------------------------

  3002.         // set options

  3003. 

  3004.         pData->options = 0x0;

  3005. 

  3006.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3007.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3008.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3009.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3010. 

  3011.         /**/ if (opts.forceStereo)

  3012.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3013.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3014.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3015. 

  3016.         if (fDssiDescriptor != nullptr)

  3017.         {

  3018.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3019.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3020.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3021. 

  3022.             if (fUsesCustomData)

  3023.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3024.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3025. 

  3026.             if (fDssiDescriptor->run_synth != nullptr)

  3027.             {

  3028.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3029.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3030.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3031.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3032.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3033.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3034.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3035.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3036.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3037.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3038.                 if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  3039.                     pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  3040.             }

  3041.         }

  3042. 

  3043.         return true;

  3044.     }

  3045. 

  3046.     // -------------------------------------------------------------------

  3047. 

  3048. private:

  3049.     LinkedList<LADSPA_Handle>    fHandles;

  3050.     const LADSPA_Descriptor*     fDescriptor;

  3051.     const DSSI_Descriptor*       fDssiDescriptor;

  3052.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3053. 

  3054.     float** fAudioInBuffers;

  3055.     float** fAudioOutBuffers;

  3056.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3057.     float*  fParamBuffers;

  3058. 

  3059.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3060. 

  3061.     int32_t fLatencyIndex; // -1 if invalid

  3062.     bool    fForcedStereoIn;

  3063.     bool    fForcedStereoOut;

  3064.     bool    fNeedsFixedBuffers;

  3065.     bool    fUsesCustomData;

  3066. 

  3067.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  3068.     CarlaOscData      fOscData;

  3069.     CarlaThreadDSSIUI fThreadUI;

  3070.     const char*       fUiFilename;

  3071.    #endif

  3072. 

  3073.     // -------------------------------------------------------------------

  3074. 

  3075.     bool addInstance()

  3076.     {

  3077.         LADSPA_Handle handle;

  3078. 

  3079.         try {

  3080.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3081.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3082. 

  3083.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3084.         {

  3085.             const int32_t rindex(pData->param.data[i].rindex);

  3086.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3087. 

  3088.             try {

  3089.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3090.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3091.         }

  3092. 

  3093.         if (fHandles.append(handle))

  3094.             return true;

  3095. 

  3096.         try {

  3097.             fDescriptor->cleanup(handle);

  3098.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3099. 

  3100.         pData->engine->setLastError("Out of memory");

  3101.         return false;

  3102.     }

  3103. 

  3104.     uint32_t getSafePortCount() const noexcept

  3105.     {

  3106.         if (fDescriptor->PortCount == 0)

  3107.             return 0;

  3108. 

  3109.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3110.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3111.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3112. 

  3113.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3114.     }

  3115. 

  3116.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3117.     {

  3118.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3119.             return true;

  3120.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3121.             return true;

  3122.         return false;

  3123.     }

  3124. 

  3125.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3126.                                                      const bool wantName, const bool useBracket) noexcept

  3127.     {

  3128.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3129. 

  3130.         if (sepBracketStart == nullptr)

  3131.             return false;

  3132. 

  3133.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3134. 

  3135.         if (sepBracketEnd == nullptr)

  3136.             return false;

  3137. 

  3138.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3139. 

  3140.         if (unitSize > 7) // very unlikely to have such big unit

  3141.             return false;

  3142. 

  3143.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3144. 

  3145.         // just in case

  3146.         if (sepIndex > STR_MAX-3)

  3147.             return false;

  3148. 

  3149.         if (wantName)

  3150.         {

  3151.             std::strncpy(strBuf, paramName, sepIndex);

  3152.             strBuf[sepIndex] = '\0';

  3153.         }

  3154.         else

  3155.         {

  3156.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3157.             strBuf[unitSize] = '\0';

  3158.         }

  3159. 

  3160.         return true;

  3161.     }

  3162. 

  3163.     // -------------------------------------------------------------------

  3164. 

  3165.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3166. };

  3167. 

  3168. // -------------------------------------------------------------------------------------------------------------------

  3169. 

  3170. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3171. {

  3172.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3173.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3174. 

  3175.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3176. 

  3177.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3178.         return nullptr;

  3179. 

  3180.     return plugin;

  3181. }

  3182. 

  3183. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3184. {

  3185.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3186.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3187. 

  3188.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3189. 

  3190.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3191.         return nullptr;

  3192. 

  3193.     return plugin;

  3194. }

  3195. 

  3196. // -------------------------------------------------------------------------------------------------------------------

  3197. 

  3198. CARLA_BACKEND_END_NAMESPACE