falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
5599 Commits
16 Branches
322MB
Tree: d4682bcad3
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'd4682bcad3'
${ noResults }
Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

3191 lines
115KB
Raw Blame History 

  1. /*

  2.  * Carla Plugin, LADSPA/DSSI implementation

  3.  * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaBackendUtils.hpp"

  22. #include "CarlaLadspaUtils.hpp"

  23. #include "CarlaDssiUtils.hpp"

  24. #include "CarlaMathUtils.hpp"

  25. 

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

  27. # include "CarlaOscUtils.hpp"

  28. # include "CarlaScopeUtils.hpp"

  29. # include "CarlaThread.hpp"

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

  31. using water::ChildProcess;

  32. #endif

  33. 

  34. using water::String;

  35. using water::StringArray;

  36. 

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

  38.     /* check argument count */                                                                  \

  39.     if (argc != argcToCompare)                                                                  \

  40.     {                                                                                           \

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

  42.                      __FUNCTION__, argc, argcToCompare);                                        \

  43.         return;                                                                                 \

  44.     }                                                                                           \

  45.     if (argc > 0)                                                                               \

  46.     {                                                                                           \

  47.         /* check for nullness */                                                                \

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

  49.         {                                                                                       \

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

  51.                          __FUNCTION__);                                                         \

  52.             return;                                                                             \

  53.         }                                                                                       \

  54.         /* check argument types */                                                              \

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

  56.         {                                                                                       \

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

  58.                          __FUNCTION__, types, typesToCompare);                                  \

  59.             return;                                                                             \

  60.         }                                                                                       \

  61.     }

  62. 

  63. CARLA_BACKEND_START_NAMESPACE

  64. 

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

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

  67. // Fallback data

  68. 

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

  70. 

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

  72. 

  73. class CarlaThreadDSSIUI : public CarlaThread

  74. {

  75. public:

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

  77.         : CarlaThread("CarlaThreadDSSIUI"),

  78.           kEngine(engine),

  79.           kPlugin(plugin),

  80.           fBinary(),

  81.           fLabel(),

  82.           fUiTitle(),

  83.           fOscData(oscData),

  84.           fProcess() {}

  85. 

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

  87.     {

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

  89.         CARLA_SAFE_ASSERT_RETURN(label != nullptr,);

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

  91.         CARLA_SAFE_ASSERT(! isThreadRunning());

  92. 

  93.         fBinary  = binary;

  94.         fLabel   = label;

  95.         fUiTitle = uiTitle;

  96. 

  97.         if (fLabel.isEmpty())

  98.             fLabel = "\"\"";

  99.     }

  100. 

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

  102.     {

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

  104. 

  105.         fUiTitle = uiTitle;

  106.     }

  107. 

  108.     uintptr_t getProcessId() const noexcept

  109.     {

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

  111. 

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

  113.     }

  114. 

  115.     void run()

  116.     {

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

  118. 

  119.         if (fProcess == nullptr)

  120.         {

  121.             fProcess = new ChildProcess();

  122.         }

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

  124.         {

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

  126. 

  127.             fProcess->kill();

  128.             fProcess = nullptr;

  129.             kEngine->callback(true, true,

  130.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  131.                               kPlugin->getId(),

  132.                               0,

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

  134.             return;

  135.         }

  136. 

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

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

  139. 

  140.         if (name.isEmpty())

  141.             name = "(none)";

  142. 

  143.         if (filename.isEmpty())

  144.             filename = "\"\"";

  145. 

  146.         StringArray arguments;

  147. 

  148.         // binary

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

  150. 

  151.         // osc-url

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

  153. 

  154.         // filename

  155.         arguments.add(filename);

  156. 

  157.         // label

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

  159. 

  160.         // ui-title

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

  162. 

  163.         bool started;

  164. 

  165.         {

  166. #ifdef CARLA_OS_LINUX

  167.             /*

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

  169.              * If not, unset LD_PRELOAD.

  170.              */

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

  172. 

  173.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  174.             char winIdStr[STR_MAX+1];

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

  176. 

  177.             // for LD_PRELOAD

  178.             CarlaString ldPreloadValue;

  179. 

  180.             if (winId != 0)

  181.             {

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

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

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

  185.             }

  186.             else

  187.             {

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

  189.             }

  190. 

  191.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  194. #endif // CARLA_OS_LINUX

  195. 

  196.             // start the DSSI UI application

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

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

  199.         }

  200. 

  201.         if (! started)

  202.         {

  203.             carla_stdout("failed!");

  204.             fProcess = nullptr;

  205.             return;

  206.         }

  207. 

  208.         if (waitForOscGuiShow())

  209.         {

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

  211.                 carla_sleep(1);

  212. 

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

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

  215.             {

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

  217. 

  218.                 if (fProcess->isRunning())

  219.                 {

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

  221.                     fProcess->kill();

  222.                 }

  223.                 else

  224.                 {

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

  226.                 }

  227.             }

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

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

  230.             else

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

  232.         }

  233.         else

  234.         {

  235.             fProcess->kill();

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

  237.         }

  238. 

  239.         fProcess = nullptr;

  240.         kEngine->callback(true, true,

  241.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  242.                           kPlugin->getId(),

  243.                           0,

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

  245. 

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

  247.     }

  248. 

  249. private:

  250.     CarlaEngine* const kEngine;

  251.     CarlaPlugin* const kPlugin;

  252. 

  253.     CarlaString fBinary;

  254.     CarlaString fLabel;

  255.     CarlaString fUiTitle;

  256. 

  257.     const CarlaOscData& fOscData;

  258.     CarlaScopedPointer<ChildProcess> fProcess;

  259. 

  260.     bool waitForOscGuiShow()

  261.     {

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

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

  264. 

  265.         // wait for UI 'update' call

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

  267.         {

  268.             if (fOscData.target != nullptr)

  269.             {

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

  271.                 osc_send_show(fOscData);

  272.                 return true;

  273.             }

  274. 

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

  276.                 carla_msleep(100);

  277.             else

  278.                 return false;

  279.         }

  280. 

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

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

  283.         return false;

  284.     }

  285. 

  286.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  287. };

  288. #endif

  289. 

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

  291. 

  292. class CarlaPluginLADSPADSSI : public CarlaPlugin

  293. {

  294. public:

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

  296.         : CarlaPlugin(engine, id),

  297.           fHandles(),

  298.           fDescriptor(nullptr),

  299.           fDssiDescriptor(nullptr),

  300.           fRdfDescriptor(nullptr),

  301.           fAudioInBuffers(nullptr),

  302.           fAudioOutBuffers(nullptr),

  303.           fExtraStereoBuffer(),

  304.           fParamBuffers(nullptr),

  305.           fLatencyIndex(-1),

  306.           fForcedStereoIn(false),

  307.           fForcedStereoOut(false),

  308.           fNeedsFixedBuffers(false),

  309.           fUsesCustomData(false)

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

  311.         , fOscData(),

  312.           fThreadUI(engine, this, fOscData),

  313.           fUiFilename(nullptr)

  314. #endif

  315.     {

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

  317. 

  318.         carla_zeroPointers(fExtraStereoBuffer, 2);

  319.     }

  320. 

  321.     ~CarlaPluginLADSPADSSI() noexcept override

  322.     {

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

  324. 

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

  326.         // close UI

  327.         if (fUiFilename != nullptr)

  328.         {

  329.             showCustomUI(false);

  330. 

  331.             delete[] fUiFilename;

  332.             fUiFilename = nullptr;

  333.         }

  334. #endif

  335. 

  336.         pData->singleMutex.lock();

  337.         pData->masterMutex.lock();

  338. 

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

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

  341. 

  342.         if (pData->active)

  343.         {

  344.             deactivate();

  345.             pData->active = false;

  346.         }

  347. 

  348.         if (fDescriptor != nullptr)

  349.         {

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

  351.             {

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

  353.                 {

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

  355.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  356. 

  357.                     try {

  358.                         fDescriptor->cleanup(handle);

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

  360.                 }

  361.             }

  362. 

  363.             fHandles.clear();

  364.             fDescriptor = nullptr;

  365.             fDssiDescriptor = nullptr;

  366.         }

  367. 

  368.         if (fRdfDescriptor != nullptr)

  369.         {

  370.             delete fRdfDescriptor;

  371.             fRdfDescriptor = nullptr;

  372.         }

  373. 

  374.         clearBuffers();

  375.     }

  376. 

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

  378.     // Information (base)

  379. 

  380.     PluginType getType() const noexcept override

  381.     {

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

  383.     }

  384. 

  385.     PluginCategory getCategory() const noexcept override

  386.     {

  387.         if (fRdfDescriptor != nullptr)

  388.         {

  389.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  390. 

  391.             // Specific Types

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

  393.                 return PLUGIN_CATEGORY_DELAY;

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

  395.                 return PLUGIN_CATEGORY_MODULATOR;

  396.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  397.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  399.                 return PLUGIN_CATEGORY_UTILITY;

  400. 

  401.             // Pre-set LADSPA Types

  402.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  403.                 return PLUGIN_CATEGORY_DYNAMICS;

  404.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  405.                 return PLUGIN_CATEGORY_MODULATOR;

  406.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  407.                 return PLUGIN_CATEGORY_EQ;

  408.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  409.                 return PLUGIN_CATEGORY_FILTER;

  410.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  411.                 return PLUGIN_CATEGORY_UTILITY;

  412.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  413.                 return PLUGIN_CATEGORY_OTHER;

  414.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  415.                 return PLUGIN_CATEGORY_DELAY;

  416.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  417.                 return PLUGIN_CATEGORY_SYNTH;

  418.         }

  419. 

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

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

  422.                 return PLUGIN_CATEGORY_SYNTH;

  423. 

  424.         return CarlaPlugin::getCategory();

  425.     }

  426. 

  427.     int64_t getUniqueId() const noexcept override

  428.     {

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

  430. 

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

  432.     }

  433. 

  434.     uint32_t getLatencyInFrames() const noexcept override

  435.     {

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

  437.             return 0;

  438. 

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

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

  441. 

  442.         return static_cast<uint32_t>(latency);

  443.     }

  444. 

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

  446.     // Information (count)

  447. 

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

  449.     {

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

  451. 

  452.         if (fRdfDescriptor == nullptr)

  453.             return 0;

  454. 

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

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

  457. 

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

  459.             return 0;

  460. 

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

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

  463.     }

  464. 

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

  466.     // Information (current data)

  467. 

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

  469.     {

  470.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  476. 

  477.         *dataPtr = nullptr;

  478. 

  479.         int ret = 0;

  480.         ulong dataSize = 0;

  481. 

  482.         try {

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

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

  485. 

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

  487.     }

  488. 

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

  490.     // Information (per-plugin data)

  491. 

  492.     uint getOptionsAvailable() const noexcept override

  493.     {

  494.         uint options = 0x0;

  495. 

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

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

  498.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  499. 

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

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

  502.             pass();

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

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

  505.             options |= PLUGIN_OPTION_FORCE_STEREO;

  506. 

  507.         if (fDssiDescriptor != nullptr)

  508.         {

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

  510.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  511. 

  512.             if (fUsesCustomData)

  513.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  514. 

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

  516.             {

  517.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  518.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  519.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  520.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  521.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  522.             }

  523.         }

  524. 

  525.         return options;

  526.     }

  527. 

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

  529.     {

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

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

  532. 

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

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

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

  536. 

  537.         // not output, should be fine

  538.         return fParamBuffers[parameterId];

  539.     }

  540. 

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

  542.     {

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

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

  545. 

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

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

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

  549. 

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

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

  552. 

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

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

  555.     }

  556. 

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

  558.     {

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

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

  561. 

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

  563.         return true;

  564.     }

  565. 

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

  567.     {

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

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

  570. 

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

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

  573.         else

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

  575. 

  576.         return true;

  577.     }

  578. 

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

  580.     {

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

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

  583. 

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

  585.         return true;

  586.     }

  587. 

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

  589.     {

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

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

  592. 

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

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

  595.         else

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

  597. 

  598.         return true;

  599.     }

  600. 

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

  602.     {

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

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

  605. 

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

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

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

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

  610. 

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

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

  613. 

  614.         return true;

  615.     }

  616. 

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

  618.     {

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

  620. 

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

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

  623. 

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

  625.         {

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

  627. 

  628.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  629.             {

  630.                 switch (port.Unit)

  631.                 {

  632.                 case LADSPA_RDF_UNIT_DB:

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

  634.                     return true;

  635.                 case LADSPA_RDF_UNIT_COEF:

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

  637.                     return true;

  638.                 case LADSPA_RDF_UNIT_HZ:

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

  640.                     return true;

  641.                 case LADSPA_RDF_UNIT_S:

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

  643.                     return true;

  644.                 case LADSPA_RDF_UNIT_MS:

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

  646.                     return true;

  647.                 case LADSPA_RDF_UNIT_MIN:

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

  649.                     return true;

  650.                 }

  651.             }

  652.         }

  653. 

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

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

  656. 

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

  658.     }

  659. 

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

  661.     {

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

  663. 

  664.         if (fRdfDescriptor == nullptr)

  665.             return false;

  666. 

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

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

  669. 

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

  671.             return false;

  672. 

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

  674. 

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

  676.             return false;

  677. 

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

  679. 

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

  681.         return true;

  682.     }

  683. 

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

  685.     {

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

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

  688. 

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

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

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

  692. 

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

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

  695. 

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

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

  698. 

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

  700.         return true;

  701.     }

  702. 

  703.     // -------------------------------------------------------------------

  704.     // Set data (state)

  705. 

  706.     // nothing

  707. 

  708.     // -------------------------------------------------------------------

  709.     // Set data (internal stuff)

  710. 

  711.     void setId(const uint newId) noexcept override

  712.     {

  713.         CarlaPlugin::setId(newId);

  714. 

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

  716.         // FIXME - must be RT safe

  717.         showCustomUI(false);

  718.     }

  719. 

  720.     // -------------------------------------------------------------------

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

  722. 

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

  724.     {

  725.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  727. 

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

  729.         fParamBuffers[parameterId] = fixedValue;

  730. 

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

  732.     }

  733. 

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

  735.     {

  736.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  738. 

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

  740.         fParamBuffers[parameterId] = fixedValue;

  741. 

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

  743.     }

  744. 

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

  746.     {

  747.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  750.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  752. 

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

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

  755. 

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

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

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

  759. 

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

  761.         {

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

  763.             {

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

  765.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  766. 

  767.                 try {

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

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

  770.             }

  771.         }

  772. 

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

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

  775.             osc_send_configure(fOscData, key, value);

  776. #endif

  777. 

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

  779.         {

  780.             const ScopedSingleProcessLocker spl(this, true);

  781.             reloadPrograms(false);

  782.         }

  783. 

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

  785.     }

  786. 

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

  788.     {

  789.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  791.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  793.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  794.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  795. 

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

  797.         {

  798.             const ScopedSingleProcessLocker spl(this, true);

  799. 

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

  801.             {

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

  803.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  804. 

  805.                 try {

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

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

  808.             }

  809.         }

  810. 

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

  812.     }

  813. 

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

  815.     {

  816.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  820. 

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

  822.         {

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

  824. 

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

  826.         }

  827. 

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

  829.     }

  830. 

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

  832.     {

  833.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  836. 

  837.         setMidiProgramInDSSI(uindex);

  838. 

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

  840.     }

  841. 

  842.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  843.     {

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

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

  846. 

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

  848.         {

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

  850.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  851. 

  852.             try {

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

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

  855.         }

  856.     }

  857. 

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

  859.     // -------------------------------------------------------------------

  860.     // Set ui stuff

  861. 

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

  863.     {

  864.         fThreadUI.setUITitle(title);

  865.         CarlaPlugin::setCustomUITitle(title);

  866.     }

  867. 

  868.     void showCustomUI(const bool yesNo) override

  869.     {

  870.         if (yesNo)

  871.         {

  872.             fOscData.clear();

  873.             fThreadUI.startThread();

  874.         }

  875.         else

  876.         {

  877. #ifndef BUILD_BRIDGE

  878.             pData->transientTryCounter = 0;

  879. #endif

  880. 

  881.             if (fOscData.target != nullptr)

  882.             {

  883.                 osc_send_hide(fOscData);

  884.                 osc_send_quit(fOscData);

  885.                 fOscData.clear();

  886.             }

  887. 

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

  889.         }

  890.     }

  891. #endif

  892. 

  893.     // -------------------------------------------------------------------

  894.     // Plugin state

  895. 

  896.     void reload() override

  897.     {

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

  899.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  902. 

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

  904. 

  905.         // Safely disable plugin for reload

  906.         const ScopedDisabler sd(this);

  907. 

  908.         if (pData->active)

  909.             deactivate();

  910. 

  911.         clearBuffers();

  912. 

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

  914.         const uint32_t portCount(getSafePortCount());

  915. 

  916.         uint32_t aIns, aOuts, mIns, params;

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

  918. 

  919.         bool forcedStereoIn, forcedStereoOut;

  920.         forcedStereoIn = forcedStereoOut = false;

  921. 

  922.         bool needsCtrlIn, needsCtrlOut;

  923.         needsCtrlIn = needsCtrlOut = false;

  924. 

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

  926.         {

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

  928. 

  929.             if (LADSPA_IS_PORT_AUDIO(portType))

  930.             {

  931.                 if (LADSPA_IS_PORT_INPUT(portType))

  932.                     aIns += 1;

  933.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  934.                     aOuts += 1;

  935.             }

  936.             else if (LADSPA_IS_PORT_CONTROL(portType))

  937.                 params += 1;

  938.         }

  939. 

  940.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  941.         {

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

  943.             {

  944.                 if (aIns == 1)

  945.                 {

  946.                     aIns = 2;

  947.                     forcedStereoIn = true;

  948.                 }

  949.                 if (aOuts == 1)

  950.                 {

  951.                     aOuts = 2;

  952.                     forcedStereoOut = true;

  953.                 }

  954.             }

  955.         }

  956. 

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

  958.         {

  959.             mIns = 1;

  960.             needsCtrlIn = true;

  961.         }

  962. 

  963.         if (aIns > 0)

  964.         {

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

  966.             fAudioInBuffers = new float*[aIns];

  967. 

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

  969.                 fAudioInBuffers[i] = nullptr;

  970.         }

  971. 

  972.         if (aOuts > 0)

  973.         {

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

  975.             fAudioOutBuffers = new float*[aOuts];

  976.             needsCtrlIn = true;

  977. 

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

  979.                 fAudioOutBuffers[i] = nullptr;

  980.         }

  981. 

  982.         if (params > 0)

  983.         {

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

  985. 

  986.             fParamBuffers = new float[params];

  987.             carla_zeroFloats(fParamBuffers, params);

  988.         }

  989. 

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

  991.         CarlaString portName;

  992. 

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

  994.         {

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

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

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

  998. 

  999.             if (LADSPA_IS_PORT_AUDIO(portType))

  1000.             {

  1001.                 portName.clear();

  1002. 

  1003.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1004.                 {

  1005.                     portName  = pData->name;

  1006.                     portName += ":";

  1007.                 }

  1008. 

  1009.                 if (fDescriptor->PortNames[i] != nullptr && fDescriptor->PortNames[i][0] != '\0')

  1010.                 {

  1011.                     portName += fDescriptor->PortNames[i];

  1012.                 }

  1013.                 else

  1014.                 {

  1015.                     if (LADSPA_IS_PORT_INPUT(portType))

  1016.                     {

  1017.                         if (aIns > 1)

  1018.                         {

  1019.                             portName += "audio-in_";

  1020.                             portName += CarlaString(iAudioIn+1);

  1021.                         }

  1022.                         else

  1023.                             portName += "audio-in";

  1024.                     }

  1025.                     else

  1026.                     {

  1027.                         if (aOuts > 1)

  1028.                         {

  1029.                             portName += "audio-out_";

  1030.                             portName += CarlaString(iAudioOut+1);

  1031.                         }

  1032.                         else

  1033.                             portName += "audio-out";

  1034.                     }

  1035.                 }

  1036. 

  1037.                 portName.truncate(portNameSize);

  1038. 

  1039.                 if (LADSPA_IS_PORT_INPUT(portType))

  1040.                 {

  1041.                     const uint32_t j = iAudioIn++;

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

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

  1044. 

  1045.                     if (forcedStereoIn)

  1046.                     {

  1047.                         portName += "_2";

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

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

  1050.                     }

  1051.                 }

  1052.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1053.                 {

  1054.                     const uint32_t j = iAudioOut++;

  1055.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1056.                     pData->audioOut.ports[j].rindex = i;

  1057. 

  1058.                     if (forcedStereoOut)

  1059.                     {

  1060.                         portName += "_2";

  1061.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1062.                         pData->audioOut.ports[1].rindex = i;

  1063.                     }

  1064.                 }

  1065.                 else

  1066.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1067.             }

  1068.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1069.             {

  1070.                 const uint32_t j = iCtrl++;

  1071.                 pData->param.data[j].index  = static_cast<int32_t>(j);

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

  1073. 

  1074.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1075. 

  1076.                 float min, max, def, step, stepSmall, stepLarge;

  1077. 

  1078.                 // min value

  1079.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1080.                     min = portRangeHints.LowerBound;

  1081.                 else

  1082.                     min = 0.0f;

  1083. 

  1084.                 // max value

  1085.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1086.                     max = portRangeHints.UpperBound;

  1087.                 else

  1088.                     max = 1.0f;

  1089. 

  1090.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1091.                 {

  1092.                     min *= sampleRate;

  1093.                     max *= sampleRate;

  1094.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1095.                 }

  1096. 

  1097.                 if (min >= max)

  1098.                 {

  1099.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1100.                     max = min + 0.1f;

  1101.                 }

  1102. 

  1103.                 // default value

  1104.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1105.                     def = fRdfDescriptor->Ports[i].Default;

  1106.                 else

  1107.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1108. 

  1109.                 if (def < min)

  1110.                     def = min;

  1111.                 else if (def > max)

  1112.                     def = max;

  1113. 

  1114.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1115.                 {

  1116.                     step = max - min;

  1117.                     stepSmall = step;

  1118.                     stepLarge = step;

  1119.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1120.                 }

  1121.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1122.                 {

  1123.                     step = 1.0f;

  1124.                     stepSmall = 1.0f;

  1125.                     stepLarge = 10.0f;

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

  1127.                 }

  1128.                 else

  1129.                 {

  1130.                     const float range = max - min;

  1131.                     step = range/100.0f;

  1132.                     stepSmall = range/1000.0f;

  1133.                     stepLarge = range/10.0f;

  1134.                 }

  1135. 

  1136.                 if (LADSPA_IS_PORT_INPUT(portType))

  1137.                 {

  1138.                     pData->param.data[j].type   = PARAMETER_INPUT;

  1139.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

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

  1142.                     needsCtrlIn = true;

  1143. 

  1144.                     // MIDI CC value

  1145.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1146.                     {

  1147.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1148.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1149.                         {

  1150.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1151.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1152.                                 pData->param.data[j].mappedControlIndex = cc;

  1153.                         }

  1154.                     }

  1155.                 }

  1156.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1157.                 {

  1158.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1159. 

  1160.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1161.                     {

  1162.                         min = 0.0f;

  1163.                         max = sampleRate;

  1164.                         def = 0.0f;

  1165.                         step = 1.0f;

  1166.                         stepSmall = 1.0f;

  1167.                         stepLarge = 1.0f;

  1168.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1169.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1170.                     }

  1171.                     else

  1172.                     {

  1173.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

  1175.                         needsCtrlOut = true;

  1176.                     }

  1177.                 }

  1178.                 else

  1179.                 {

  1180.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1181.                 }

  1182. 

  1183.                 // extra parameter hints

  1184.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1185.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1186. 

  1187.                 // check for scalepoints, require at least 2 to make it useful

  1188.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1189.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1190. 

  1191.                 pData->param.ranges[j].min = min;

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

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

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

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

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

  1197. 

  1198.                 // Start parameters in their default values

  1199.                 fParamBuffers[j] = def;

  1200. 

  1201.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1202.                 {

  1203.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1204.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1205. 

  1206.                     try {

  1207.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1208.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1209.                 }

  1210.             }

  1211.             else

  1212.             {

  1213.                 // Not Audio or Control

  1214.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1215. 

  1216.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1217.                 {

  1218.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1219.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1220. 

  1221.                     try {

  1222.                         fDescriptor->connect_port(handle, i, nullptr);

  1223.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1224.                 }

  1225.             }

  1226.         }

  1227. 

  1228.         if (needsCtrlIn)

  1229.         {

  1230.             portName.clear();

  1231. 

  1232.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1233.             {

  1234.                 portName  = pData->name;

  1235.                 portName += ":";

  1236.             }

  1237. 

  1238.             portName += "events-in";

  1239.             portName.truncate(portNameSize);

  1240. 

  1241.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1242. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1243.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1244. #endif

  1245.         }

  1246. 

  1247.         if (needsCtrlOut)

  1248.         {

  1249.             portName.clear();

  1250. 

  1251.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1252.             {

  1253.                 portName  = pData->name;

  1254.                 portName += ":";

  1255.             }

  1256. 

  1257.             portName += "events-out";

  1258.             portName.truncate(portNameSize);

  1259. 

  1260.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1261.         }

  1262. 

  1263.         if (forcedStereoIn || forcedStereoOut)

  1264.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1265.         else

  1266.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1267. 

  1268.         // plugin hints

  1269.         pData->hints = 0x0;

  1270. 

  1271.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1272.             pData->hints |= PLUGIN_IS_RTSAFE;

  1273. 

  1274. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1275.         if (fUiFilename != nullptr)

  1276.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1277. #endif

  1278. 

  1279. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1280.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1281.             pData->hints |= PLUGIN_CAN_DRYWET;

  1282. 

  1283.         if (aOuts > 0)

  1284.             pData->hints |= PLUGIN_CAN_VOLUME;

  1285. 

  1286.         if (aOuts >= 2 && aOuts % 2 == 0)

  1287.             pData->hints |= PLUGIN_CAN_BALANCE;

  1288. #endif

  1289. 

  1290.         // extra plugin hints

  1291.         pData->extraHints = 0x0;

  1292. 

  1293.         if (mIns > 0)

  1294.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1295. 

  1296.         // check initial latency

  1297.         findInitialLatencyValue(aIns, aOuts);

  1298. 

  1299.         fForcedStereoIn  = forcedStereoIn;

  1300.         fForcedStereoOut = forcedStereoOut;

  1301. 

  1302.         bufferSizeChanged(pData->engine->getBufferSize());

  1303.         reloadPrograms(true);

  1304. 

  1305.         if (pData->active)

  1306.             activate();

  1307. 

  1308.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1309.     }

  1310. 

  1311.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1312.     {

  1313.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1314.             return;

  1315. 

  1316.         // we need to pre-run the plugin so it can update its latency control-port

  1317.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1318.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1319. 

  1320.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1321.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1322. 

  1323.         for (uint32_t j=0; j < aIns; ++j)

  1324.         {

  1325.             tmpIn[j][0] = 0.0f;

  1326.             tmpIn[j][1] = 0.0f;

  1327. 

  1328.             try {

  1329.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

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

  1331.         }

  1332. 

  1333.         for (uint32_t j=0; j < aOuts; ++j)

  1334.         {

  1335.             tmpOut[j][0] = 0.0f;

  1336.             tmpOut[j][1] = 0.0f;

  1337. 

  1338.             try {

  1339.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1340.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1341.         }

  1342. 

  1343.         if (fDescriptor->activate != nullptr)

  1344.         {

  1345.             try {

  1346.                 fDescriptor->activate(handle);

  1347.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1348.         }

  1349. 

  1350.         try {

  1351.             fDescriptor->run(handle, 2);

  1352.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1353. 

  1354.         if (fDescriptor->deactivate != nullptr)

  1355.         {

  1356.             try {

  1357.                 fDescriptor->deactivate(handle);

  1358.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1359.         }

  1360. 

  1361.         // done, let's get the value

  1362.         if (const uint32_t latency = getLatencyInFrames())

  1363.         {

  1364.             pData->client->setLatency(latency);

  1365. #ifndef BUILD_BRIDGE

  1366.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1367. #endif

  1368.         }

  1369.     }

  1370. 

  1371.     void reloadPrograms(const bool doInit) override

  1372.     {

  1373.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1374. 

  1375.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1376.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1377. 

  1378.         const uint32_t oldCount = pData->midiprog.count;

  1379.         const int32_t  current  = pData->midiprog.current;

  1380. 

  1381.         // Delete old programs

  1382.         pData->midiprog.clear();

  1383. 

  1384.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1385.         if (fDssiDescriptor == nullptr)

  1386.             return;

  1387. 

  1388.         // Query new programs

  1389.         uint32_t newCount = 0;

  1390.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1391.         {

  1392.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1393.                 ++newCount;

  1394.         }

  1395. 

  1396.         if (newCount > 0)

  1397.         {

  1398.             pData->midiprog.createNew(newCount);

  1399. 

  1400.             // Update data

  1401.             for (uint32_t i=0; i < newCount; ++i)

  1402.             {

  1403.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1404.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1405.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1406. 

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

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

  1409.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1410.             }

  1411.         }

  1412. 

  1413.         if (doInit)

  1414.         {

  1415.             if (newCount > 0)

  1416.                 setMidiProgram(0, false, false, false, true);

  1417.         }

  1418.         else

  1419.         {

  1420.             // Check if current program is invalid

  1421.             bool programChanged = false;

  1422. 

  1423.             if (newCount == oldCount+1)

  1424.             {

  1425.                 // one midi program added, probably created by user

  1426.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1427.                 programChanged = true;

  1428.             }

  1429.             else if (current < 0 && newCount > 0)

  1430.             {

  1431.                 // programs exist now, but not before

  1432.                 pData->midiprog.current = 0;

  1433.                 programChanged = true;

  1434.             }

  1435.             else if (current >= 0 && newCount == 0)

  1436.             {

  1437.                 // programs existed before, but not anymore

  1438.                 pData->midiprog.current = -1;

  1439.                 programChanged = true;

  1440.             }

  1441.             else if (current >= static_cast<int32_t>(newCount))

  1442.             {

  1443.                 // current midi program > count

  1444.                 pData->midiprog.current = 0;

  1445.                 programChanged = true;

  1446.             }

  1447.             else

  1448.             {

  1449.                 // no change

  1450.                 pData->midiprog.current = current;

  1451.             }

  1452. 

  1453.             if (programChanged)

  1454.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1455. 

  1456.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1457.         }

  1458.     }

  1459. 

  1460.     // -------------------------------------------------------------------

  1461.     // Plugin processing

  1462. 

  1463.     void activate() noexcept override

  1464.     {

  1465.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1466. 

  1467.         if (fDescriptor->activate != nullptr)

  1468.         {

  1469.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1470.             {

  1471.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1472.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1473. 

  1474.                 try {

  1475.                     fDescriptor->activate(handle);

  1476.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1477.             }

  1478.         }

  1479.     }

  1480. 

  1481.     void deactivate() noexcept override

  1482.     {

  1483.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1484. 

  1485.         if (fDescriptor->deactivate != nullptr)

  1486.         {

  1487.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1488.             {

  1489.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1490.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1491. 

  1492.                 try {

  1493.                     fDescriptor->deactivate(handle);

  1494.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1495.             }

  1496.         }

  1497.     }

  1498. 

  1499.     void process(const float* const* const audioIn, float** const audioOut,

  1500.                  const float* const* const cvIn, float**,

  1501.                  const uint32_t frames) override

  1502.     {

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

  1504.         // Check if active

  1505. 

  1506.         if (! pData->active)

  1507.         {

  1508.             // disable any output sound

  1509.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1510.                 carla_zeroFloats(audioOut[i], frames);

  1511.             return;

  1512.         }

  1513. 

  1514.         ulong midiEventCount = 0;

  1515.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1516. 

  1517.         // --------------------------------------------------------------------------------------------------------

  1518.         // Check if needs reset

  1519. 

  1520.         if (pData->needsReset)

  1521.         {

  1522.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1523.             {

  1524.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1525. 

  1526.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1527.                 {

  1528.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1529.                     fMidiEvents[i].data.control.channel = i;

  1530.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1531. 

  1532.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1535.                 }

  1536.             }

  1537.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1538.             {

  1539.                 midiEventCount = MAX_MIDI_NOTE;

  1540. 

  1541.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1542.                 {

  1543.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1544.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1545.                     fMidiEvents[i].data.note.note    = i;

  1546.                 }

  1547.             }

  1548. 

  1549.             pData->needsReset = false;

  1550.         }

  1551. 

  1552.         // --------------------------------------------------------------------------------------------------------

  1553.         // Event Input and Processing

  1554. 

  1555.         if (pData->event.portIn != nullptr)

  1556.         {

  1557.             // ----------------------------------------------------------------------------------------------------

  1558.             // MIDI Input (External)

  1559. 

  1560.             if (pData->extNotes.mutex.tryLock())

  1561.             {

  1562.                 ExternalMidiNote note = { 0, 0, 0 };

  1563. 

  1564.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1565.                 {

  1566.                     note = pData->extNotes.data.getFirst(note, true);

  1567.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1568. 

  1569.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1570. 

  1571.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1572.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1573.                     seqEvent.data.note.note     = note.note;

  1574.                     seqEvent.data.note.velocity = note.velo;

  1575.                 }

  1576. 

  1577.                 pData->extNotes.mutex.unlock();

  1578. 

  1579.             } // End of MIDI Input (External)

  1580. 

  1581.             // ----------------------------------------------------------------------------------------------------

  1582.             // Event Input (System)

  1583. 

  1584. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1585.             bool allNotesOffSent = false;

  1586. #endif

  1587.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1588. 

  1589.             uint32_t startTime  = 0;

  1590.             uint32_t timeOffset = 0;

  1591.             uint32_t nextBankId;

  1592. 

  1593.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1594.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1595.             else

  1596.                 nextBankId = 0;

  1597. 

  1598. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1599.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1600.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1601. #endif

  1602. 

  1603.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1604.             {

  1605.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1606. 

  1607.                 uint32_t eventTime = event.time;

  1608.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1609. 

  1610.                 if (eventTime < timeOffset)

  1611.                 {

  1612.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1613.                                   eventTime, timeOffset, pData->name);

  1614.                     eventTime = timeOffset;

  1615.                 }

  1616. 

  1617.                 if (isSampleAccurate && eventTime > timeOffset)

  1618.                 {

  1619.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1620.                     {

  1621.                         startTime  = 0;

  1622.                         timeOffset = eventTime;

  1623.                         midiEventCount = 0;

  1624. 

  1625.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1626.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1627.                         else

  1628.                             nextBankId = 0;

  1629.                     }

  1630.                     else

  1631.                         startTime += timeOffset;

  1632.                 }

  1633. 

  1634.                 switch (event.type)

  1635.                 {

  1636.                 case kEngineEventTypeNull:

  1637.                     break;

  1638. 

  1639.                 case kEngineEventTypeControl: {

  1640.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1641. 

  1642.                     switch (ctrlEvent.type)

  1643.                     {

  1644.                     case kEngineControlEventTypeNull:

  1645.                         break;

  1646. 

  1647.                     case kEngineControlEventTypeParameter: {

  1648.                         float value;

  1649. 

  1650. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1651.                         // non-midi

  1652.                         if (event.channel == kEngineEventNonMidiChannel)

  1653.                         {

  1654.                             const uint32_t k = ctrlEvent.param;

  1655.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1656. 

  1657.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.value);

  1658.                             setParameterValueRT(k, value, true);

  1659.                             continue;

  1660.                         }

  1661. 

  1662.                         // Control backend stuff

  1663.                         if (event.channel == pData->ctrlChannel)

  1664.                         {

  1665.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1666.                             {

  1667.                                 value = ctrlEvent.value;

  1668.                                 setDryWetRT(value, true);

  1669.                             }

  1670. 

  1671.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1672.                             {

  1673.                                 value = ctrlEvent.value*127.0f/100.0f;

  1674.                                 setVolumeRT(value, true);

  1675.                             }

  1676. 

  1677.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1678.                             {

  1679.                                 float left, right;

  1680.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1681. 

  1682.                                 if (value < 0.0f)

  1683.                                 {

  1684.                                     left  = -1.0f;

  1685.                                     right = (value*2.0f)+1.0f;

  1686.                                 }

  1687.                                 else if (value > 0.0f)

  1688.                                 {

  1689.                                     left  = (value*2.0f)-1.0f;

  1690.                                     right = 1.0f;

  1691.                                 }

  1692.                                 else

  1693.                                 {

  1694.                                     left  = -1.0f;

  1695.                                     right = 1.0f;

  1696.                                 }

  1697. 

  1698.                                 setBalanceLeftRT(left, true);

  1699.                                 setBalanceRightRT(right, true);

  1700.                             }

  1701.                         }

  1702. #endif

  1703.                         // Control plugin parameters

  1704.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1705.                         {

  1706.                             if (pData->param.data[k].midiChannel != event.channel)

  1707.                                 continue;

  1708.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1709.                                 continue;

  1710.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1711.                                 continue;

  1712.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1713.                                 continue;

  1714. 

  1715.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.value);

  1716.                             setParameterValueRT(k, value, true);

  1717.                         }

  1718. 

  1719.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1720.                         {

  1721.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1722.                                 continue;

  1723. 

  1724.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1725. 

  1726.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1727. 

  1728.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1729.                             seqEvent.data.control.channel = event.channel;

  1730.                             seqEvent.data.control.param   = ctrlEvent.param;

  1731.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1732.                         }

  1733. 

  1734.                         break;

  1735.                     } // case kEngineControlEventTypeParameter

  1736. 

  1737.                     case kEngineControlEventTypeMidiBank:

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

  1739.                             nextBankId = ctrlEvent.param;

  1740.                         break;

  1741. 

  1742.                     case kEngineControlEventTypeMidiProgram:

  1743.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1744.                         {

  1745.                             const uint32_t nextProgramId = ctrlEvent.param;

  1746. 

  1747.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1748.                             {

  1749.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1750.                                 {

  1751.                                     setMidiProgramRT(k, true);

  1752.                                     break;

  1753.                                 }

  1754.                             }

  1755.                         }

  1756.                         break;

  1757. 

  1758.                     case kEngineControlEventTypeAllSoundOff:

  1759.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1760.                         {

  1761.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1762.                                 continue;

  1763. 

  1764.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1765. 

  1766.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1767. 

  1768.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1769.                             seqEvent.data.control.channel = event.channel;

  1770.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1771.                         }

  1772.                         break;

  1773. 

  1774.                     case kEngineControlEventTypeAllNotesOff:

  1775.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1776.                         {

  1777. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1778.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1779.                             {

  1780.                                 allNotesOffSent = true;

  1781.                                 postponeRtAllNotesOff();

  1782.                             }

  1783. #endif

  1784. 

  1785.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1786.                                 continue;

  1787. 

  1788.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1789. 

  1790.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1791. 

  1792.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1793.                             seqEvent.data.control.channel = event.channel;

  1794.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1795.                         }

  1796.                         break;

  1797.                     } // switch (ctrlEvent.type)

  1798.                     break;

  1799.                 } // case kEngineEventTypeControl

  1800. 

  1801.                 case kEngineEventTypeMidi: {

  1802.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1803.                         continue;

  1804. 

  1805.                     const EngineMidiEvent& midiEvent(event.midi);

  1806. 

  1807.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1808.                         continue;

  1809. 

  1810.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1811. 

  1812.                     // Fix bad note-off (per DSSI spec)

  1813.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1814.                         status = MIDI_STATUS_NOTE_OFF;

  1815. 

  1816.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1817. 

  1818.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1819. 

  1820.                     switch (status)

  1821.                     {

  1822.                     case MIDI_STATUS_NOTE_OFF: {

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

  1830.                         break;

  1831.                     }

  1832. 

  1833.                     case MIDI_STATUS_NOTE_ON: {

  1834.                         const uint8_t note = midiEvent.data[1];

  1835.                         const uint8_t velo = midiEvent.data[2];

  1836. 

  1837.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1838.                         seqEvent.data.note.channel  = event.channel;

  1839.                         seqEvent.data.note.note     = note;

  1840.                         seqEvent.data.note.velocity = velo;

  1841. 

  1842.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1843.                         break;

  1844.                     }

  1845. 

  1846.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1847.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1848.                         {

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

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

  1851. 

  1852.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1854.                             seqEvent.data.note.note     = note;

  1855.                             seqEvent.data.note.velocity = pressure;

  1856.                         }

  1857.                         break;

  1858. 

  1859.                     case MIDI_STATUS_CONTROL_CHANGE:

  1860.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1861.                         {

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

  1863.                             const uint8_t value   = midiEvent.data[2];

  1864. 

  1865.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1866.                             seqEvent.data.control.channel = event.channel;

  1867.                             seqEvent.data.control.param   = control;

  1868.                             seqEvent.data.control.value   = value;

  1869.                         }

  1870.                         break;

  1871. 

  1872.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1873.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1874.                         {

  1875.                             const uint8_t pressure = midiEvent.data[1];

  1876. 

  1877.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1879.                             seqEvent.data.control.value   = pressure;

  1880.                         }

  1881.                         break;

  1882. 

  1883.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1884.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1885.                         {

  1886.                             const uint8_t lsb = midiEvent.data[1];

  1887.                             const uint8_t msb = midiEvent.data[2];

  1888. 

  1889.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

  1891.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1892.                         }

  1893.                         break;

  1894. 

  1895.                     default:

  1896.                         --midiEventCount;

  1897.                         break;

  1898.                     } // switch (status)

  1899.                 } break;

  1900.                 } // switch (event.type)

  1901.             }

  1902. 

  1903.             pData->postRtEvents.trySplice();

  1904. 

  1905.             if (frames > timeOffset)

  1906.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1907. 

  1908.         } // End of Event Input and Processing

  1909. 

  1910.         // --------------------------------------------------------------------------------------------------------

  1911.         // Plugin processing (no events)

  1912. 

  1913.         else

  1914.         {

  1915.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1916. 

  1917.         } // End of Plugin processing (no events)

  1918. 

  1919.         // --------------------------------------------------------------------------------------------------------

  1920.         // Control Output

  1921. 

  1922.         if (pData->event.portOut != nullptr)

  1923.         {

  1924.             uint8_t  channel;

  1925.             uint16_t param;

  1926.             float    value;

  1927. 

  1928.             for (uint32_t k=0; k < pData->param.count; ++k)

  1929.             {

  1930.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1931.                     continue;

  1932. 

  1933.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1934. 

  1935.                 if (pData->param.data[k].mappedControlIndex > 0)

  1936.                 {

  1937.                     channel = pData->param.data[k].midiChannel;

  1938.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1939.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1940.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1941.                 }

  1942.             }

  1943.         } // End of Control Output

  1944. 

  1945. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1946.         return;

  1947. 

  1948.         // unused

  1949.         (void)cvIn;

  1950. #endif

  1951.     }

  1952. 

  1953.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1954.                        const uint32_t timeOffset, const ulong midiEventCount)

  1955.     {

  1956.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1957. 

  1958.         if (pData->audioIn.count > 0)

  1959.         {

  1960.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1961.         }

  1962.         if (pData->audioOut.count > 0)

  1963.         {

  1964.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1965.         }

  1966. 

  1967.         // --------------------------------------------------------------------------------------------------------

  1968.         // Try lock, silence otherwise

  1969. 

  1970. #ifndef STOAT_TEST_BUILD

  1971.         if (pData->engine->isOffline())

  1972.         {

  1973.             pData->singleMutex.lock();

  1974.         }

  1975.         else

  1976. #endif

  1977.         if (! pData->singleMutex.tryLock())

  1978.         {

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

  1980.             {

  1981.                 for (uint32_t k=0; k < frames; ++k)

  1982.                     audioOut[i][k+timeOffset] = 0.0f;

  1983.             }

  1984. 

  1985.             return false;

  1986.         }

  1987. 

  1988.         // --------------------------------------------------------------------------------------------------------

  1989.         // Set audio buffers

  1990. 

  1991.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1992.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1993. 

  1994.         if (! customMonoOut)

  1995.         {

  1996.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1997.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1998.         }

  1999. 

  2000.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2001.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2002. 

  2003.         // --------------------------------------------------------------------------------------------------------

  2004.         // Run plugin

  2005. 

  2006.         uint instn = 0;

  2007.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2008.         {

  2009.             LADSPA_Handle const handle(it.getValue(nullptr));

  2010.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2011. 

  2012.             // ----------------------------------------------------------------------------------------------------

  2013.             // Mixdown for forced stereo

  2014. 

  2015.             if (customMonoOut)

  2016.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2017. 

  2018.             // ----------------------------------------------------------------------------------------------------

  2019.             // Run it

  2020. 

  2021.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2022.             {

  2023.                 try {

  2024.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2025.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2026.             }

  2027.             else

  2028.             {

  2029.                 try {

  2030.                     fDescriptor->run(handle, frames);

  2031.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2032.             }

  2033. 

  2034.             // ----------------------------------------------------------------------------------------------------

  2035.             // Mixdown for forced stereo

  2036. 

  2037.             if (customMonoOut)

  2038.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2039.             else if (customStereoOut)

  2040.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2041.         }

  2042. 

  2043.         if (customStereoOut)

  2044.         {

  2045.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2046.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2047.         }

  2048. 

  2049. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2050.         // --------------------------------------------------------------------------------------------------------

  2051.         // Post-processing (dry/wet, volume and balance)

  2052. 

  2053.         {

  2054.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2055.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2056.             const bool isMono    = (pData->audioIn.count == 1);

  2057. 

  2058.             bool isPair;

  2059.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  2060. 

  2061.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2062.             {

  2063.                 // Dry/Wet

  2064.                 if (doDryWet)

  2065.                 {

  2066.                     const uint32_t c = isMono ? 0 : i;

  2067. 

  2068.                     for (uint32_t k=0; k < frames; ++k)

  2069.                     {

  2070. # ifndef BUILD_BRIDGE

  2071.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2072.                             bufValue = pData->latency.buffers[c][k];

  2073.                         else if (pData->latency.frames < frames)

  2074.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2075.                         else

  2076. # endif

  2077.                             bufValue = fAudioInBuffers[c][k];

  2078. 

  2079.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2080.                     }

  2081.                 }

  2082. 

  2083.                 // Balance

  2084.                 if (doBalance)

  2085.                 {

  2086.                     isPair = (i % 2 == 0);

  2087. 

  2088.                     if (isPair)

  2089.                     {

  2090.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2091.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2092.                     }

  2093. 

  2094.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2095.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2096. 

  2097.                     for (uint32_t k=0; k < frames; ++k)

  2098.                     {

  2099.                         if (isPair)

  2100.                         {

  2101.                             // left

  2102.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2103.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2104.                         }

  2105.                         else

  2106.                         {

  2107.                             // right

  2108.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2109.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2110.                         }

  2111.                     }

  2112.                 }

  2113. 

  2114.                 // Volume (and buffer copy)

  2115.                 {

  2116.                     for (uint32_t k=0; k < frames; ++k)

  2117.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2118.                 }

  2119.             }

  2120. 

  2121.         } // End of Post-processing

  2122. 

  2123. # ifndef BUILD_BRIDGE

  2124.         // --------------------------------------------------------------------------------------------------------

  2125.         // Save latency values for next callback

  2126. 

  2127.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2128.         {

  2129.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2130.             const uint32_t latframes = pData->latency.frames;

  2131. 

  2132.             if (latframes <= frames)

  2133.             {

  2134.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2135.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2136.             }

  2137.             else

  2138.             {

  2139.                 const uint32_t diff = latframes - frames;

  2140. 

  2141.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2142.                 {

  2143.                     // push back buffer by 'frames'

  2144.                     for (k=0; k < diff; ++k)

  2145.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2146. 

  2147.                     // put current input at the end

  2148.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2149.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2150.                 }

  2151.             }

  2152.         }

  2153. # endif

  2154. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2155.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2156.         {

  2157.             for (uint32_t k=0; k < frames; ++k)

  2158.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2159.         }

  2160. #endif

  2161. 

  2162.         // --------------------------------------------------------------------------------------------------------

  2163. 

  2164.         pData->singleMutex.unlock();

  2165.         return true;

  2166.     }

  2167. 

  2168.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2169.     {

  2170.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2171.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2172. 

  2173.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2174.         {

  2175.             if (fAudioInBuffers[i] != nullptr)

  2176.                 delete[] fAudioInBuffers[i];

  2177. 

  2178.             fAudioInBuffers[i] = new float[newBufferSize];

  2179.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2180.         }

  2181. 

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

  2183.         {

  2184.             if (fAudioOutBuffers[i] != nullptr)

  2185.                 delete[] fAudioOutBuffers[i];

  2186. 

  2187.             fAudioOutBuffers[i] = new float[newBufferSize];

  2188.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2189.         }

  2190. 

  2191.         if (fExtraStereoBuffer[0] != nullptr)

  2192.         {

  2193.             delete[] fExtraStereoBuffer[0];

  2194.             fExtraStereoBuffer[0] = nullptr;

  2195.         }

  2196. 

  2197.         if (fExtraStereoBuffer[1] != nullptr)

  2198.         {

  2199.             delete[] fExtraStereoBuffer[1];

  2200.             fExtraStereoBuffer[1] = nullptr;

  2201.         }

  2202. 

  2203.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2204.         {

  2205.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2206.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2207.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2208.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2209.         }

  2210. 

  2211.         reconnectAudioPorts();

  2212. 

  2213.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2214.     }

  2215. 

  2216.     void sampleRateChanged(const double newSampleRate) override

  2217.     {

  2218.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2219.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2220. 

  2221.         // TODO - handle UI stuff

  2222. 

  2223.         if (pData->active)

  2224.             deactivate();

  2225. 

  2226.         const std::size_t instanceCount(fHandles.count());

  2227. 

  2228.         if (fDescriptor->cleanup != nullptr)

  2229.         {

  2230.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2231.             {

  2232.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2233.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2234. 

  2235.                 try {

  2236.                     fDescriptor->cleanup(handle);

  2237.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2238.             }

  2239.         }

  2240. 

  2241.         fHandles.clear();

  2242. 

  2243.         for (std::size_t i=0; i<instanceCount; ++i)

  2244.             addInstance();

  2245. 

  2246.         reconnectAudioPorts();

  2247. 

  2248.         if (pData->active)

  2249.             activate();

  2250. 

  2251.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2252.     }

  2253. 

  2254.     void reconnectAudioPorts() const noexcept

  2255.     {

  2256.         if (fForcedStereoIn)

  2257.         {

  2258.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2259.             {

  2260.                 try {

  2261.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2262.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2263.             }

  2264. 

  2265.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2266.             {

  2267.                 try {

  2268.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2269.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2270.             }

  2271.         }

  2272.         else

  2273.         {

  2274.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2275.             {

  2276.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2277.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2278. 

  2279.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2280.                 {

  2281.                     try {

  2282.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2283.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2284.                 }

  2285.             }

  2286.         }

  2287. 

  2288.         if (fForcedStereoOut)

  2289.         {

  2290.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2291.             {

  2292.                 try {

  2293.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2294.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2295.             }

  2296. 

  2297.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2298.             {

  2299.                 try {

  2300.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2301.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2302.             }

  2303.         }

  2304.         else

  2305.         {

  2306.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2307.             {

  2308.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2309.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2310. 

  2311.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2312.                 {

  2313.                     try {

  2314.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2315.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2316.                 }

  2317.             }

  2318.         }

  2319.     }

  2320. 

  2321.     // -------------------------------------------------------------------

  2322.     // Plugin buffers

  2323. 

  2324.     void clearBuffers() noexcept override

  2325.     {

  2326.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2327. 

  2328.         if (fAudioInBuffers != nullptr)

  2329.         {

  2330.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2331.             {

  2332.                 if (fAudioInBuffers[i] != nullptr)

  2333.                 {

  2334.                     delete[] fAudioInBuffers[i];

  2335.                     fAudioInBuffers[i] = nullptr;

  2336.                 }

  2337.             }

  2338. 

  2339.             delete[] fAudioInBuffers;

  2340.             fAudioInBuffers = nullptr;

  2341.         }

  2342. 

  2343.         if (fAudioOutBuffers != nullptr)

  2344.         {

  2345.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2346.             {

  2347.                 if (fAudioOutBuffers[i] != nullptr)

  2348.                 {

  2349.                     delete[] fAudioOutBuffers[i];

  2350.                     fAudioOutBuffers[i] = nullptr;

  2351.                 }

  2352.             }

  2353. 

  2354.             delete[] fAudioOutBuffers;

  2355.             fAudioOutBuffers = nullptr;

  2356.         }

  2357. 

  2358.         if (fExtraStereoBuffer[0] != nullptr)

  2359.         {

  2360.             delete[] fExtraStereoBuffer[0];

  2361.             fExtraStereoBuffer[0] = nullptr;

  2362.         }

  2363. 

  2364.         if (fExtraStereoBuffer[1] != nullptr)

  2365.         {

  2366.             delete[] fExtraStereoBuffer[1];

  2367.             fExtraStereoBuffer[1] = nullptr;

  2368.         }

  2369. 

  2370.         if (fParamBuffers != nullptr)

  2371.         {

  2372.             delete[] fParamBuffers;

  2373.             fParamBuffers = nullptr;

  2374.         }

  2375. 

  2376.         CarlaPlugin::clearBuffers();

  2377. 

  2378.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2379.     }

  2380. 

  2381. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2382.     // -------------------------------------------------------------------

  2383.     // OSC stuff

  2384. 

  2385.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2386.     {

  2387.         const lo_address source(lo_message_get_source(msg));

  2388.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2389. 

  2390.         // protocol for DSSI UIs *must* be UDP

  2391.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2392. 

  2393.         if (fOscData.source == nullptr)

  2394.         {

  2395.             // if no UI is registered yet only "configure" and "update" messages are valid

  2396.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2397.         }

  2398.         else

  2399.         {

  2400.             // make sure message source is the DSSI UI

  2401.             const char* const msghost = lo_address_get_hostname(source);

  2402.             const char* const msgport = lo_address_get_port(source);

  2403. 

  2404.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2405.             const char* const ourport = lo_address_get_port(fOscData.source);

  2406. 

  2407.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2408.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2409.         }

  2410. 

  2411.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2412. 

  2413.         if (std::strcmp(method, "configure") == 0)

  2414.             return handleOscMessageConfigure(argc, argv, types);

  2415.         if (std::strcmp(method, "control") == 0)

  2416.             return handleOscMessageControl(argc, argv, types);

  2417.         if (std::strcmp(method, "program") == 0)

  2418.             return handleOscMessageProgram(argc, argv, types);

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

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

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

  2422.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

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

  2424.             return handleOscMessageExiting();

  2425. 

  2426.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2427.     }

  2428. 

  2429.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2430.     {

  2431.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2432.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2433. 

  2434.         const char* const key   = (const char*)&argv[0]->s;

  2435.         const char* const value = (const char*)&argv[1]->s;

  2436. 

  2437.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2438.     }

  2439. 

  2440.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2441.     {

  2442.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2443.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2444. 

  2445.         const int32_t rindex = argv[0]->i;

  2446.         const float   value  = argv[1]->f;

  2447. 

  2448.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2449.     }

  2450. 

  2451.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2452.     {

  2453.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2454.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2455. 

  2456.         const int32_t bank    = argv[0]->i;

  2457.         const int32_t program = argv[1]->i;

  2458. 

  2459.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2460.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2461. 

  2462.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2463.     }

  2464. 

  2465.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2466.     {

  2467.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2468.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2469. 

  2470.         if (getMidiInCount() == 0)

  2471.         {

  2472.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2473.             return;

  2474.         }

  2475. 

  2476.         const uint8_t* const data = argv[0]->m;

  2477.         uint8_t status  = data[1];

  2478.         uint8_t channel = status & 0x0F;

  2479. 

  2480.         // Fix bad note-off

  2481.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2482.             status = MIDI_STATUS_NOTE_OFF;

  2483. 

  2484.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2485.         {

  2486.             const uint8_t note = data[2];

  2487. 

  2488.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2489. 

  2490.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2491.         }

  2492.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2493.         {

  2494.             const uint8_t note = data[2];

  2495.             const uint8_t velo = data[3];

  2496. 

  2497.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2498.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2499. 

  2500.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2501.         }

  2502.     }

  2503. 

  2504.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2505.     {

  2506.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2507.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2508. 

  2509.         const char* const url = (const char*)&argv[0]->s;

  2510. 

  2511.         // FIXME - remove debug prints later

  2512.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2513. 

  2514.         fOscData.clear();

  2515. 

  2516.         const int proto = lo_address_get_protocol(source);

  2517. 

  2518.         {

  2519.             const char* host = lo_address_get_hostname(source);

  2520.             const char* port = lo_address_get_port(source);

  2521.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2522. 

  2523.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2524.         }

  2525. 

  2526.         {

  2527.             char* host = lo_url_get_hostname(url);

  2528.             char* port = lo_url_get_port(url);

  2529.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2530.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2531.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2532. 

  2533.             std::free(host);

  2534.             std::free(port);

  2535.         }

  2536. 

  2537.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2538. 

  2539.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2540.         {

  2541.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2542.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2543. 

  2544.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2545.                 osc_send_configure(fOscData, customData.key, customData.value);

  2546.         }

  2547. 

  2548.         if (pData->prog.current >= 0)

  2549.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2550. 

  2551.         if (pData->midiprog.current >= 0)

  2552.         {

  2553.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2554.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2555.         }

  2556. 

  2557.         for (uint32_t i=0; i < pData->param.count; ++i)

  2558.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2559. 

  2560. #ifndef BUILD_BRIDGE

  2561.         if (pData->engine->getOptions().frontendWinId != 0)

  2562.             pData->transientTryCounter = 1;

  2563. #endif

  2564. 

  2565.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2566.     }

  2567. 

  2568.     void handleOscMessageExiting()

  2569.     {

  2570.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2571. 

  2572.         // hide UI

  2573.         showCustomUI(false);

  2574. 

  2575.         // tell frontend

  2576.         pData->engine->callback(true, true,

  2577.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2578.                                 pData->id,

  2579.                                 0,

  2580.                                 0, 0, 0.0f, nullptr);

  2581.     }

  2582. 

  2583.     // -------------------------------------------------------------------

  2584.     // Post-poned UI Stuff

  2585. 

  2586.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2587.     {

  2588.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2589. 

  2590.         if (fOscData.target == nullptr)

  2591.             return;

  2592. 

  2593.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2594.     }

  2595. 

  2596.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2597.     {

  2598.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2599. 

  2600.         if (fOscData.target == nullptr)

  2601.             return;

  2602. 

  2603.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2604.     }

  2605. 

  2606.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2607.     {

  2608.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2609.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2610.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2611. 

  2612.         if (fOscData.target == nullptr)

  2613.             return;

  2614. 

  2615. #if 0

  2616.         uint8_t midiData[4];

  2617.         midiData[0] = 0;

  2618.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2619.         midiData[2] = note;

  2620.         midiData[3] = velo;

  2621. 

  2622.         osc_send_midi(fOscData, midiData);

  2623. #endif

  2624.     }

  2625. 

  2626.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2627.     {

  2628.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2629.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2630. 

  2631.         if (fOscData.target == nullptr)

  2632.             return;

  2633. 

  2634. #if 0

  2635.         uint8_t midiData[4];

  2636.         midiData[0] = 0;

  2637.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2638.         midiData[2] = note;

  2639.         midiData[3] = 0;

  2640. 

  2641.         osc_send_midi(fOscData, midiData);

  2642. #endif

  2643.     }

  2644. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2645. 

  2646.     // -------------------------------------------------------------------

  2647. 

  2648.     const void* getNativeDescriptor() const noexcept override

  2649.     {

  2650.         return fDssiDescriptor != nullptr

  2651.                ? (const void*)fDssiDescriptor

  2652.                : (const void*)fDescriptor;

  2653.     }

  2654. 

  2655.     const void* getExtraStuff() const noexcept override

  2656.     {

  2657.         if (fDssiDescriptor != nullptr)

  2658.         {

  2659. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2660.             return fUiFilename;

  2661. #else

  2662.             return nullptr;

  2663. #endif

  2664.         }

  2665.         return fRdfDescriptor;

  2666.     }

  2667. 

  2668. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2669.     uintptr_t getUiBridgeProcessId() const noexcept override

  2670.     {

  2671.         return fThreadUI.getProcessId();

  2672.     }

  2673. #endif

  2674. 

  2675.     // -------------------------------------------------------------------

  2676. 

  2677.     bool initLADSPA(const CarlaPluginPtr plugin,

  2678.                     const char* const filename, const char* name, const char* const label, const uint options,

  2679.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2680.     {

  2681.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2682. 

  2683.         // ---------------------------------------------------------------

  2684.         // first checks

  2685. 

  2686.         if (pData->client != nullptr)

  2687.         {

  2688.             pData->engine->setLastError("Plugin client is already registered");

  2689.             return false;

  2690.         }

  2691. 

  2692.         if (filename == nullptr || filename[0] == '\0')

  2693.         {

  2694.             pData->engine->setLastError("null filename");

  2695.             return false;

  2696.         }

  2697. 

  2698.         // ---------------------------------------------------------------

  2699.         // open DLL

  2700. 

  2701.         if (! pData->libOpen(filename))

  2702.         {

  2703.             pData->engine->setLastError(pData->libError(filename));

  2704.             return false;

  2705.         }

  2706. 

  2707.         // ---------------------------------------------------------------

  2708.         // get DLL main entry

  2709. 

  2710.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2711. 

  2712.         if (descFn == nullptr)

  2713.         {

  2714.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2715.             return false;

  2716.         }

  2717. 

  2718.         // ---------------------------------------------------------------

  2719.         // get descriptor that matches label

  2720. 

  2721.         // if label is null, get first valid plugin

  2722.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2723. 

  2724.         for (ulong d=0;; ++d)

  2725.         {

  2726.             try {

  2727.                 fDescriptor = descFn(d);

  2728.             }

  2729.             catch(...) {

  2730.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2731.                 fDescriptor = nullptr;

  2732.                 break;

  2733.             }

  2734. 

  2735.             if (fDescriptor == nullptr)

  2736.                 break;

  2737. 

  2738.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2739.             {

  2740.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2741.                 fDescriptor = nullptr;

  2742.                 break;

  2743.             }

  2744.             if (fDescriptor->run == nullptr)

  2745.             {

  2746.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2747.                 fDescriptor = nullptr;

  2748.                 break;

  2749.             }

  2750. 

  2751.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2752.                 break;

  2753.         }

  2754. 

  2755.         if (fDescriptor == nullptr)

  2756.         {

  2757.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2758.             return false;

  2759.         }

  2760. 

  2761.         return init2(plugin, filename, name, options, rdfDescriptor);

  2762.     }

  2763. 

  2764.     bool initDSSI(const CarlaPluginPtr plugin,

  2765.                   const char* const filename, const char* name, const char* const label, const uint options)

  2766.     {

  2767.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2768. 

  2769.         // ---------------------------------------------------------------

  2770.         // first checks

  2771. 

  2772.         if (pData->client != nullptr)

  2773.         {

  2774.             pData->engine->setLastError("Plugin client is already registered");

  2775.             return false;

  2776.         }

  2777. 

  2778.         if (filename == nullptr || filename[0] == '\0')

  2779.         {

  2780.             pData->engine->setLastError("null filename");

  2781.             return false;

  2782.         }

  2783. 

  2784.         // ---------------------------------------------------------------

  2785.         // open DLL

  2786. 

  2787.         if (! pData->libOpen(filename))

  2788.         {

  2789.             pData->engine->setLastError(pData->libError(filename));

  2790.             return false;

  2791.         }

  2792. 

  2793.         // ---------------------------------------------------------------

  2794.         // get DLL main entry

  2795. 

  2796.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2797. 

  2798.         if (descFn == nullptr)

  2799.         {

  2800.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2801.             return false;

  2802.         }

  2803. 

  2804.         // ---------------------------------------------------------------

  2805.         // get descriptor that matches label

  2806. 

  2807.         // if label is null, get first valid plugin

  2808.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2809. 

  2810.         for (ulong d=0;; ++d)

  2811.         {

  2812.             try {

  2813.                 fDssiDescriptor = descFn(d);

  2814.             }

  2815.             catch(...) {

  2816.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2817.                 fDescriptor     = nullptr;

  2818.                 fDssiDescriptor = nullptr;

  2819.                 break;

  2820.             }

  2821. 

  2822.             if (fDssiDescriptor == nullptr)

  2823.                 break;

  2824. 

  2825.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2826. 

  2827.             if (fDescriptor == nullptr)

  2828.             {

  2829.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2830.                 fDssiDescriptor = nullptr;

  2831.                 break;

  2832.             }

  2833.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2834.             {

  2835.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2836.                 fDescriptor     = nullptr;

  2837.                 fDssiDescriptor = nullptr;

  2838.                 break;

  2839.             }

  2840.             if (fDescriptor->run == nullptr)

  2841.             {

  2842.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2843.                 fDescriptor     = nullptr;

  2844.                 fDssiDescriptor = nullptr;

  2845.                 break;

  2846.             }

  2847. 

  2848.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2849.                 break;

  2850.         }

  2851. 

  2852.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2853.         {

  2854.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2855.             return false;

  2856.         }

  2857. 

  2858.         // ---------------------------------------------------------------

  2859.         // check if uses global instance

  2860. 

  2861.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2862.         {

  2863.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2864.             return false;

  2865.         }

  2866. 

  2867.         return init2(plugin, filename, name, options, nullptr);

  2868.     }

  2869. 

  2870.     bool init2(const CarlaPluginPtr plugin,

  2871.                const char* const filename, const char* name, const uint options,

  2872.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2873.     {

  2874.         // ---------------------------------------------------------------

  2875.         // check for fixed buffer size requirement

  2876. 

  2877.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2878. 

  2879.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2880.         {

  2881.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2882.                                         "The plugin requires a fixed block size which is not possible right now.");

  2883.             return false;

  2884.         }

  2885. 

  2886.         // ---------------------------------------------------------------

  2887.         // get info

  2888. 

  2889.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2890.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2891. 

  2892.         if (name == nullptr || name[0] == '\0')

  2893.         {

  2894.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2895.                 name = fRdfDescriptor->Title;

  2896.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2897.                 name = fDescriptor->Name;

  2898.             else

  2899.                 name = fDescriptor->Label;

  2900.         }

  2901. 

  2902.         pData->name = pData->engine->getUniquePluginName(name);

  2903.         pData->filename = carla_strdup(filename);

  2904. 

  2905.         // ---------------------------------------------------------------

  2906.         // register client

  2907. 

  2908.         pData->client = pData->engine->addClient(plugin);

  2909. 

  2910.         if (pData->client == nullptr || ! pData->client->isOk())

  2911.         {

  2912.             pData->engine->setLastError("Failed to register plugin client");

  2913.             return false;

  2914.         }

  2915. 

  2916.         // ---------------------------------------------------------------

  2917.         // initialize plugin

  2918. 

  2919.         if (! addInstance())

  2920.             return false;

  2921. 

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

  2923.         // find latency port index

  2924. 

  2925.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2926.         {

  2927.             const int portType(fDescriptor->PortDescriptors[i]);

  2928. 

  2929.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2930.                 continue;

  2931. 

  2932.             const uint32_t index(iCtrl++);

  2933. 

  2934.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2935.                 continue;

  2936. 

  2937.             const char* const portName(fDescriptor->PortNames[i]);

  2938.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2939. 

  2940.             if (std::strcmp(portName, "latency")  == 0 ||

  2941.                 std::strcmp(portName, "_latency") == 0)

  2942.             {

  2943.                 fLatencyIndex = static_cast<int32_t>(index);

  2944.                 break;

  2945.             }

  2946.         }

  2947. 

  2948.         // ---------------------------------------------------------------

  2949.         // check for custom data extension

  2950. 

  2951.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2952.         {

  2953.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2954.             {

  2955.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2956.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2957.                     fUsesCustomData = true;

  2958. 

  2959.                 std::free(error);

  2960.             }

  2961.         }

  2962. 

  2963.         // ---------------------------------------------------------------

  2964.         // get engine options

  2965. 

  2966.         const EngineOptions& opts(pData->engine->getOptions());

  2967. 

  2968. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2969.         // ---------------------------------------------------------------

  2970.         // check for gui

  2971. 

  2972.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2973.         {

  2974.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2975.             {

  2976.                 fUiFilename = guiFilename;

  2977. 

  2978.                 CarlaString uiTitle;

  2979. 

  2980.                 if (pData->uiTitle.isNotEmpty())

  2981.                 {

  2982.                     uiTitle = pData->uiTitle;

  2983.                 }

  2984.                 else

  2985.                 {

  2986.                     uiTitle  = pData->name;

  2987.                     uiTitle += " (GUI)";

  2988.                 }

  2989. 

  2990.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  2991.             }

  2992.         }

  2993. #endif

  2994. 

  2995.         // ---------------------------------------------------------------

  2996.         // set options

  2997. 

  2998.         pData->options = 0x0;

  2999. 

  3000.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3001.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3002.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3003.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3004. 

  3005.         /**/ if (opts.forceStereo)

  3006.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3007.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3008.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3009. 

  3010.         if (fDssiDescriptor != nullptr)

  3011.         {

  3012.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3013.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3014.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3015. 

  3016.             if (fUsesCustomData)

  3017.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3018.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3019. 

  3020.             if (fDssiDescriptor->run_synth != nullptr)

  3021.             {

  3022.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3023.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3024.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3025.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3026.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3027.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3028.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3029.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3030.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3031.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3032.             }

  3033.         }

  3034. 

  3035.         return true;

  3036.     }

  3037. 

  3038.     // -------------------------------------------------------------------

  3039. 

  3040. private:

  3041.     LinkedList<LADSPA_Handle>    fHandles;

  3042.     const LADSPA_Descriptor*     fDescriptor;

  3043.     const DSSI_Descriptor*       fDssiDescriptor;

  3044.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3045. 

  3046.     float** fAudioInBuffers;

  3047.     float** fAudioOutBuffers;

  3048.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3049.     float*  fParamBuffers;

  3050. 

  3051.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3052. 

  3053.     int32_t fLatencyIndex; // -1 if invalid

  3054.     bool    fForcedStereoIn;

  3055.     bool    fForcedStereoOut;

  3056.     bool    fNeedsFixedBuffers;

  3057.     bool    fUsesCustomData;

  3058. 

  3059. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  3060.     CarlaOscData      fOscData;

  3061.     CarlaThreadDSSIUI fThreadUI;

  3062.     const char*       fUiFilename;

  3063. #endif

  3064. 

  3065.     // -------------------------------------------------------------------

  3066. 

  3067.     bool addInstance()

  3068.     {

  3069.         LADSPA_Handle handle;

  3070. 

  3071.         try {

  3072.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3073.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3074. 

  3075.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3076.         {

  3077.             const int32_t rindex(pData->param.data[i].rindex);

  3078.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3079. 

  3080.             try {

  3081.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3082.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3083.         }

  3084. 

  3085.         if (fHandles.append(handle))

  3086.             return true;

  3087. 

  3088.         try {

  3089.             fDescriptor->cleanup(handle);

  3090.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3091. 

  3092.         pData->engine->setLastError("Out of memory");

  3093.         return false;

  3094.     }

  3095. 

  3096.     uint32_t getSafePortCount() const noexcept

  3097.     {

  3098.         if (fDescriptor->PortCount == 0)

  3099.             return 0;

  3100. 

  3101.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3102.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3103.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3104. 

  3105.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3106.     }

  3107. 

  3108.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3109.     {

  3110.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3111.             return true;

  3112.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3113.             return true;

  3114.         return false;

  3115.     }

  3116. 

  3117.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3118.                                                      const bool wantName, const bool useBracket) noexcept

  3119.     {

  3120.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3121. 

  3122.         if (sepBracketStart == nullptr)

  3123.             return false;

  3124. 

  3125.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3126. 

  3127.         if (sepBracketEnd == nullptr)

  3128.             return false;

  3129. 

  3130.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3131. 

  3132.         if (unitSize > 7) // very unlikely to have such big unit

  3133.             return false;

  3134. 

  3135.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3136. 

  3137.         // just in case

  3138.         if (sepIndex > STR_MAX-3)

  3139.             return false;

  3140. 

  3141.         if (wantName)

  3142.         {

  3143.             std::strncpy(strBuf, paramName, sepIndex);

  3144.             strBuf[sepIndex] = '\0';

  3145.         }

  3146.         else

  3147.         {

  3148.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3149.             strBuf[unitSize] = '\0';

  3150.         }

  3151. 

  3152.         return true;

  3153.     }

  3154. 

  3155.     // -------------------------------------------------------------------

  3156. 

  3157.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3158. };

  3159. 

  3160. // -------------------------------------------------------------------------------------------------------------------

  3161. 

  3162. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3163. {

  3164.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3165.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3166. 

  3167.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3168. 

  3169.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3170.         return nullptr;

  3171. 

  3172.     return plugin;

  3173. }

  3174. 

  3175. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3176. {

  3177.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3178.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3179. 

  3180.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3181. 

  3182.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3183.         return nullptr;

  3184. 

  3185.     return plugin;

  3186. }

  3187. 

  3188. // -------------------------------------------------------------------------------------------------------------------

  3189. 

  3190. CARLA_BACKEND_END_NAMESPACE