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Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

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  1. /*

  2.  * Carla Plugin, LADSPA/DSSI implementation

  3.  * Copyright (C) 2011-2023 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) && !defined(CARLA_OS_WASM)

  27. # define CARLA_ENABLE_DSSI_PLUGIN_GUI

  28. # include "CarlaOscUtils.hpp"

  29. # include "CarlaScopeUtils.hpp"

  30. # include "CarlaThread.hpp"

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

  32. using water::ChildProcess;

  33. #endif

  34. 

  35. using water::String;

  36. using water::StringArray;

  37. 

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

  39.     /* check argument count */                                                                  \

  40.     if (argc != argcToCompare)                                                                  \

  41.     {                                                                                           \

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

  43.                      __FUNCTION__, argc, argcToCompare);                                        \

  44.         return;                                                                                 \

  45.     }                                                                                           \

  46.     if (argc > 0)                                                                               \

  47.     {                                                                                           \

  48.         /* check for nullness */                                                                \

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

  50.         {                                                                                       \

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

  52.                          __FUNCTION__);                                                         \

  53.             return;                                                                             \

  54.         }                                                                                       \

  55.         /* check argument types */                                                              \

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

  57.         {                                                                                       \

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

  59.                          __FUNCTION__, types, typesToCompare);                                  \

  60.             return;                                                                             \

  61.         }                                                                                       \

  62.     }

  63. 

  64. CARLA_BACKEND_START_NAMESPACE

  65. 

  66. #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  67. // -------------------------------------------------------------------

  68. // Fallback data

  69. 

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

  71. 

  72. // -------------------------------------------------------------------

  73. 

  74. class CarlaThreadDSSIUI : public CarlaThread

  75. {

  76. public:

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

  78.         : CarlaThread("CarlaThreadDSSIUI"),

  79.           kEngine(engine),

  80.           kPlugin(plugin),

  81.           fBinary(),

  82.           fLabel(),

  83.           fUiTitle(),

  84.           fOscData(oscData),

  85.           fProcess() {}

  86. 

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

  88.     {

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

  90.         CARLA_SAFE_ASSERT_RETURN(label != nullptr,);

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

  92.         CARLA_SAFE_ASSERT(! isThreadRunning());

  93. 

  94.         fBinary  = binary;

  95.         fLabel   = label;

  96.         fUiTitle = uiTitle;

  97. 

  98.         if (fLabel.isEmpty())

  99.             fLabel = "\"\"";

  100.     }

  101. 

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

  103.     {

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

  105. 

  106.         fUiTitle = uiTitle;

  107.     }

  108. 

  109.     uintptr_t getProcessId() const noexcept

  110.     {

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

  112. 

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

  114.     }

  115. 

  116.     void run()

  117.     {

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

  119. 

  120.         if (fProcess == nullptr)

  121.         {

  122.             fProcess = new ChildProcess();

  123.         }

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

  125.         {

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

  127. 

  128.             fProcess->kill();

  129.             fProcess = nullptr;

  130.             kEngine->callback(true, true,

  131.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  132.                               kPlugin->getId(),

  133.                               0,

  134.                               0, 0, 0.0f, nullptr);

  135.             return;

  136.         }

  137. 

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

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

  140. 

  141.         if (name.isEmpty())

  142.             name = "(none)";

  143. 

  144.         if (filename.isEmpty())

  145.             filename = "\"\"";

  146. 

  147.         StringArray arguments;

  148. 

  149.         // binary

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

  151. 

  152.         // osc-url

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

  154. 

  155.         // filename

  156.         arguments.add(filename);

  157. 

  158.         // label

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

  160. 

  161.         // ui-title

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

  163. 

  164.         bool started;

  165. 

  166.         {

  167. #ifdef CARLA_OS_LINUX

  168.             /*

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

  170.              * If not, unset LD_PRELOAD.

  171.              */

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

  173. 

  174.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  175.             char winIdStr[STR_MAX+1];

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

  177. 

  178.             // for LD_PRELOAD

  179.             CarlaString ldPreloadValue;

  180. 

  181.             if (winId != 0)

  182.             {

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

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

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

  186.             }

  187.             else

  188.             {

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

  190.             }

  191. 

  192.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  195. #endif // CARLA_OS_LINUX

  196. 

  197.             // start the DSSI UI application

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

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

  200.         }

  201. 

  202.         if (! started)

  203.         {

  204.             carla_stdout("failed!");

  205.             fProcess = nullptr;

  206.             return;

  207.         }

  208. 

  209.         if (waitForOscGuiShow())

  210.         {

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

  212.                 carla_sleep(1);

  213. 

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

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

  216.             {

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

  218. 

  219.                 if (fProcess->isRunning())

  220.                 {

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

  222.                     fProcess->kill();

  223.                 }

  224.                 else

  225.                 {

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

  227.                 }

  228.             }

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

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

  231.             else

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

  233.         }

  234.         else

  235.         {

  236.             fProcess->kill();

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

  238.         }

  239. 

  240.         fProcess = nullptr;

  241.         kEngine->callback(true, true,

  242.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  243.                           kPlugin->getId(),

  244.                           0,

  245.                           0, 0, 0.0f, nullptr);

  246. 

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

  248.     }

  249. 

  250. private:

  251.     CarlaEngine* const kEngine;

  252.     CarlaPlugin* const kPlugin;

  253. 

  254.     CarlaString fBinary;

  255.     CarlaString fLabel;

  256.     CarlaString fUiTitle;

  257. 

  258.     const CarlaOscData& fOscData;

  259.     CarlaScopedPointer<ChildProcess> fProcess;

  260. 

  261.     bool waitForOscGuiShow()

  262.     {

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

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

  265. 

  266.         // wait for UI 'update' call

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

  268.         {

  269.             if (fOscData.target != nullptr)

  270.             {

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

  272.                 osc_send_show(fOscData);

  273.                 return true;

  274.             }

  275. 

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

  277.                 carla_msleep(100);

  278.             else

  279.                 return false;

  280.         }

  281. 

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

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

  284.         return false;

  285.     }

  286. 

  287.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  288. };

  289. #endif

  290. 

  291. // -----------------------------------------------------

  292. 

  293. class CarlaPluginLADSPADSSI : public CarlaPlugin

  294. {

  295. public:

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

  297.         : CarlaPlugin(engine, id),

  298.           fHandles(),

  299.           fDescriptor(nullptr),

  300.           fDssiDescriptor(nullptr),

  301.           fRdfDescriptor(nullptr),

  302.           fAudioInBuffers(nullptr),

  303.           fAudioOutBuffers(nullptr),

  304.           fExtraStereoBuffer(),

  305.           fParamBuffers(nullptr),

  306.           fLatencyIndex(-1),

  307.           fForcedStereoIn(false),

  308.           fForcedStereoOut(false),

  309.           fNeedsFixedBuffers(false),

  310.           fUsesCustomData(false)

  311.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  312.         , fOscData(),

  313.           fThreadUI(engine, this, fOscData),

  314.           fUiFilename(nullptr)

  315.        #endif

  316.     {

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

  318. 

  319.         carla_zeroPointers(fExtraStereoBuffer, 2);

  320.     }

  321. 

  322.     ~CarlaPluginLADSPADSSI() noexcept override

  323.     {

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

  325. 

  326.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  327.         // close UI

  328.         if (fUiFilename != nullptr)

  329.         {

  330.             showCustomUI(false);

  331. 

  332.             delete[] fUiFilename;

  333.             fUiFilename = nullptr;

  334.         }

  335.        #endif

  336. 

  337.         pData->singleMutex.lock();

  338.         pData->masterMutex.lock();

  339. 

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

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

  342. 

  343.         if (pData->active)

  344.         {

  345.             deactivate();

  346.             pData->active = false;

  347.         }

  348. 

  349.         if (fDescriptor != nullptr)

  350.         {

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

  352.             {

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

  354.                 {

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

  356.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  357. 

  358.                     try {

  359.                         fDescriptor->cleanup(handle);

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

  361.                 }

  362.             }

  363. 

  364.             fHandles.clear();

  365.             fDescriptor = nullptr;

  366.             fDssiDescriptor = nullptr;

  367.         }

  368. 

  369.         if (fRdfDescriptor != nullptr)

  370.         {

  371.             delete fRdfDescriptor;

  372.             fRdfDescriptor = nullptr;

  373.         }

  374. 

  375.         clearBuffers();

  376.     }

  377. 

  378.     // -------------------------------------------------------------------

  379.     // Information (base)

  380. 

  381.     PluginType getType() const noexcept override

  382.     {

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

  384.     }

  385. 

  386.     PluginCategory getCategory() const noexcept override

  387.     {

  388.         if (fRdfDescriptor != nullptr)

  389.         {

  390.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  391. 

  392.             // Specific Types

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

  394.                 return PLUGIN_CATEGORY_DELAY;

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

  396.                 return PLUGIN_CATEGORY_MODULATOR;

  397.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  398.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  400.                 return PLUGIN_CATEGORY_UTILITY;

  401. 

  402.             // Pre-set LADSPA Types

  403.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  404.                 return PLUGIN_CATEGORY_DYNAMICS;

  405.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  406.                 return PLUGIN_CATEGORY_MODULATOR;

  407.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  408.                 return PLUGIN_CATEGORY_EQ;

  409.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  410.                 return PLUGIN_CATEGORY_FILTER;

  411.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  412.                 return PLUGIN_CATEGORY_UTILITY;

  413.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  414.                 return PLUGIN_CATEGORY_OTHER;

  415.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  416.                 return PLUGIN_CATEGORY_DELAY;

  417.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  418.                 return PLUGIN_CATEGORY_SYNTH;

  419.         }

  420. 

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

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

  423.                 return PLUGIN_CATEGORY_SYNTH;

  424. 

  425.         return CarlaPlugin::getCategory();

  426.     }

  427. 

  428.     int64_t getUniqueId() const noexcept override

  429.     {

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

  431. 

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

  433.     }

  434. 

  435.     uint32_t getLatencyInFrames() const noexcept override

  436.     {

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

  438.             return 0;

  439. 

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

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

  442. 

  443.         return static_cast<uint32_t>(latency);

  444.     }

  445. 

  446.     // -------------------------------------------------------------------

  447.     // Information (count)

  448. 

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

  450.     {

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

  452. 

  453.         if (fRdfDescriptor == nullptr)

  454.             return 0;

  455. 

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

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

  458. 

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

  460.             return 0;

  461. 

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

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

  464.     }

  465. 

  466.     // -------------------------------------------------------------------

  467.     // Information (current data)

  468. 

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

  470.     {

  471.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  477. 

  478.         *dataPtr = nullptr;

  479. 

  480.         int ret = 0;

  481.         ulong dataSize = 0;

  482. 

  483.         try {

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

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

  486. 

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

  488.     }

  489. 

  490.     // -------------------------------------------------------------------

  491.     // Information (per-plugin data)

  492. 

  493.     uint getOptionsAvailable() const noexcept override

  494.     {

  495.         uint options = 0x0;

  496. 

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

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

  499.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  500. 

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

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

  503.             pass();

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

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

  506.             options |= PLUGIN_OPTION_FORCE_STEREO;

  507. 

  508.         if (fDssiDescriptor != nullptr)

  509.         {

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

  511.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  512. 

  513.             if (fUsesCustomData)

  514.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  515. 

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

  517.             {

  518.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  519.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  520.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  521.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  522.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  523.                 options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  524.             }

  525.         }

  526. 

  527.         return options;

  528.     }

  529. 

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

  531.     {

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

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

  534. 

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

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

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

  538. 

  539.         // not output, should be fine

  540.         return fParamBuffers[parameterId];

  541.     }

  542. 

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

  544.     {

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

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

  547. 

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

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

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

  551. 

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

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

  554. 

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

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

  557.     }

  558. 

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

  560.     {

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

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

  563. 

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

  565.         return true;

  566.     }

  567. 

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

  569.     {

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

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

  572. 

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

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

  575.         else

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

  577. 

  578.         return true;

  579.     }

  580. 

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

  582.     {

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

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

  585. 

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

  587.         return true;

  588.     }

  589. 

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

  591.     {

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

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

  594. 

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

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

  597.         else

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

  599. 

  600.         return true;

  601.     }

  602. 

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

  604.     {

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

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

  607. 

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

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

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

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

  612. 

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

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

  615. 

  616.         return true;

  617.     }

  618. 

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

  620.     {

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

  622. 

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

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

  625. 

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

  627.         {

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

  629. 

  630.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  631.             {

  632.                 switch (port.Unit)

  633.                 {

  634.                 case LADSPA_RDF_UNIT_DB:

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

  636.                     return true;

  637.                 case LADSPA_RDF_UNIT_COEF:

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

  639.                     return true;

  640.                 case LADSPA_RDF_UNIT_HZ:

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

  642.                     return true;

  643.                 case LADSPA_RDF_UNIT_S:

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

  645.                     return true;

  646.                 case LADSPA_RDF_UNIT_MS:

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

  648.                     return true;

  649.                 case LADSPA_RDF_UNIT_MIN:

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

  651.                     return true;

  652.                 }

  653.             }

  654.         }

  655. 

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

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

  658. 

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

  660.     }

  661. 

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

  663.     {

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

  665. 

  666.         if (fRdfDescriptor == nullptr)

  667.             return false;

  668. 

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

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

  671. 

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

  673.             return false;

  674. 

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

  676. 

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

  678.             return false;

  679. 

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

  681. 

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

  683.         return true;

  684.     }

  685. 

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

  687.     {

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

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

  690. 

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

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

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

  694. 

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

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

  697. 

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

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

  700. 

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

  702.         return true;

  703.     }

  704. 

  705.     // -------------------------------------------------------------------

  706.     // Set data (state)

  707. 

  708.     // nothing

  709. 

  710.     // -------------------------------------------------------------------

  711.     // Set data (internal stuff)

  712. 

  713.     void setId(const uint newId) noexcept override

  714.     {

  715.         CarlaPlugin::setId(newId);

  716. 

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

  718.         // FIXME - must be RT safe

  719.         showCustomUI(false);

  720.     }

  721. 

  722.     // -------------------------------------------------------------------

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

  724. 

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

  726.     {

  727.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  729. 

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

  731.         fParamBuffers[parameterId] = fixedValue;

  732. 

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

  734.     }

  735. 

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

  737.     {

  738.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  740. 

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

  742.         fParamBuffers[parameterId] = fixedValue;

  743. 

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

  745.     }

  746. 

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

  748.     {

  749.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  752.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  754. 

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

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

  757. 

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

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

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

  761. 

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

  763.         {

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

  765.             {

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

  767.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  768. 

  769.                 try {

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

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

  772.             }

  773.         }

  774. 

  775.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

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

  777.             osc_send_configure(fOscData, key, value);

  778.        #endif

  779. 

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

  781.         {

  782.             const ScopedSingleProcessLocker spl(this, true);

  783.             reloadPrograms(false);

  784.         }

  785. 

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

  787.     }

  788. 

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

  790.     {

  791.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  793.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  795.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  796.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  797. 

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

  799.         {

  800.             const ScopedSingleProcessLocker spl(this, true);

  801. 

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

  803.             {

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

  805.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  806. 

  807.                 try {

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

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

  810.             }

  811.         }

  812. 

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

  814.     }

  815. 

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

  817.     {

  818.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  822. 

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

  824.         {

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

  826. 

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

  828.         }

  829. 

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

  831.     }

  832. 

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

  834.     {

  835.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  838. 

  839.         setMidiProgramInDSSI(uindex);

  840. 

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

  842.     }

  843. 

  844.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  845.     {

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

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

  848. 

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

  850.         {

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

  852.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  853. 

  854.             try {

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

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

  857.         }

  858.     }

  859. 

  860.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  861.     // -------------------------------------------------------------------

  862.     // Set ui stuff

  863. 

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

  865.     {

  866.         fThreadUI.setUITitle(title);

  867.         CarlaPlugin::setCustomUITitle(title);

  868.     }

  869. 

  870.     void showCustomUI(const bool yesNo) override

  871.     {

  872.         if (yesNo)

  873.         {

  874.             fOscData.clear();

  875.             fThreadUI.startThread();

  876.         }

  877.         else

  878.         {

  879.            #ifndef BUILD_BRIDGE

  880.             pData->transientTryCounter = 0;

  881.            #endif

  882. 

  883.             if (fOscData.target != nullptr)

  884.             {

  885.                 osc_send_hide(fOscData);

  886.                 osc_send_quit(fOscData);

  887.                 fOscData.clear();

  888.             }

  889. 

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

  891.         }

  892.     }

  893.    #endif

  894. 

  895.     // -------------------------------------------------------------------

  896.     // Plugin state

  897. 

  898.     void reload() override

  899.     {

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

  901.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  904. 

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

  906. 

  907.         // Safely disable plugin for reload

  908.         const ScopedDisabler sd(this);

  909. 

  910.         if (pData->active)

  911.             deactivate();

  912. 

  913.         clearBuffers();

  914. 

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

  916.         const uint32_t portCount(getSafePortCount());

  917. 

  918.         uint32_t aIns, aOuts, mIns, params;

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

  920. 

  921.         bool forcedStereoIn, forcedStereoOut;

  922.         forcedStereoIn = forcedStereoOut = false;

  923. 

  924.         bool needsCtrlIn, needsCtrlOut;

  925.         needsCtrlIn = needsCtrlOut = false;

  926. 

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

  928.         {

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

  930. 

  931.             if (LADSPA_IS_PORT_AUDIO(portType))

  932.             {

  933.                 if (LADSPA_IS_PORT_INPUT(portType))

  934.                     aIns += 1;

  935.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  936.                     aOuts += 1;

  937.             }

  938.             else if (LADSPA_IS_PORT_CONTROL(portType))

  939.                 params += 1;

  940.         }

  941. 

  942.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  943.         {

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

  945.             {

  946.                 if (aIns == 1)

  947.                 {

  948.                     aIns = 2;

  949.                     forcedStereoIn = true;

  950.                 }

  951.                 if (aOuts == 1)

  952.                 {

  953.                     aOuts = 2;

  954.                     forcedStereoOut = true;

  955.                 }

  956.             }

  957.         }

  958. 

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

  960.         {

  961.             mIns = 1;

  962.             needsCtrlIn = true;

  963.         }

  964. 

  965.         if (aIns > 0)

  966.         {

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

  968.             fAudioInBuffers = new float*[aIns];

  969. 

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

  971.                 fAudioInBuffers[i] = nullptr;

  972.         }

  973. 

  974.         if (aOuts > 0)

  975.         {

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

  977.             fAudioOutBuffers = new float*[aOuts];

  978.             needsCtrlIn = true;

  979. 

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

  981.                 fAudioOutBuffers[i] = nullptr;

  982.         }

  983. 

  984.         if (params > 0)

  985.         {

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

  987. 

  988.             fParamBuffers = new float[params];

  989.             carla_zeroFloats(fParamBuffers, params);

  990.         }

  991. 

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

  993.         CarlaString portName;

  994. 

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

  996.         {

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

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

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

  1000. 

  1001.             if (LADSPA_IS_PORT_AUDIO(portType))

  1002.             {

  1003.                 portName.clear();

  1004. 

  1005.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1006.                 {

  1007.                     portName  = pData->name;

  1008.                     portName += ":";

  1009.                 }

  1010. 

  1011.                 if (fDescriptor->PortNames[i] != nullptr && fDescriptor->PortNames[i][0] != '\0')

  1012.                 {

  1013.                     portName += fDescriptor->PortNames[i];

  1014.                 }

  1015.                 else

  1016.                 {

  1017.                     if (LADSPA_IS_PORT_INPUT(portType))

  1018.                     {

  1019.                         if (aIns > 1)

  1020.                         {

  1021.                             portName += "audio-in_";

  1022.                             portName += CarlaString(iAudioIn+1);

  1023.                         }

  1024.                         else

  1025.                             portName += "audio-in";

  1026.                     }

  1027.                     else

  1028.                     {

  1029.                         if (aOuts > 1)

  1030.                         {

  1031.                             portName += "audio-out_";

  1032.                             portName += CarlaString(iAudioOut+1);

  1033.                         }

  1034.                         else

  1035.                             portName += "audio-out";

  1036.                     }

  1037.                 }

  1038. 

  1039.                 portName.truncate(portNameSize);

  1040. 

  1041.                 if (LADSPA_IS_PORT_INPUT(portType))

  1042.                 {

  1043.                     const uint32_t j = iAudioIn++;

  1044.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1045.                     pData->audioIn.ports[j].rindex = i;

  1046. 

  1047.                     if (forcedStereoIn)

  1048.                     {

  1049.                         portName += "_2";

  1050.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1051.                         pData->audioIn.ports[1].rindex = i;

  1052.                     }

  1053.                 }

  1054.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1055.                 {

  1056.                     const uint32_t j = iAudioOut++;

  1057.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1058.                     pData->audioOut.ports[j].rindex = i;

  1059. 

  1060.                     if (forcedStereoOut)

  1061.                     {

  1062.                         portName += "_2";

  1063.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1064.                         pData->audioOut.ports[1].rindex = i;

  1065.                     }

  1066.                 }

  1067.                 else

  1068.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1069.             }

  1070.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1071.             {

  1072.                 const uint32_t j = iCtrl++;

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

  1074.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  1075. 

  1076.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1077. 

  1078.                 float min, max, def, step, stepSmall, stepLarge;

  1079. 

  1080.                 // min value

  1081.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1082.                     min = portRangeHints.LowerBound;

  1083.                 else

  1084.                     min = 0.0f;

  1085. 

  1086.                 // max value

  1087.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1088.                     max = portRangeHints.UpperBound;

  1089.                 else

  1090.                     max = 1.0f;

  1091. 

  1092.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1093.                 {

  1094.                     min *= sampleRate;

  1095.                     max *= sampleRate;

  1096.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1097.                 }

  1098. 

  1099.                 if (min >= max)

  1100.                 {

  1101.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1102.                     max = min + 0.1f;

  1103.                 }

  1104. 

  1105.                 // default value

  1106.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1107.                     def = fRdfDescriptor->Ports[i].Default;

  1108.                 else

  1109.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1110. 

  1111.                 if (def < min)

  1112.                     def = min;

  1113.                 else if (def > max)

  1114.                     def = max;

  1115. 

  1116.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1117.                 {

  1118.                     step = max - min;

  1119.                     stepSmall = step;

  1120.                     stepLarge = step;

  1121.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1122.                 }

  1123.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1124.                 {

  1125.                     step = 1.0f;

  1126.                     stepSmall = 1.0f;

  1127.                     stepLarge = 10.0f;

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

  1129.                 }

  1130.                 else

  1131.                 {

  1132.                     const float range = max - min;

  1133.                     step = range/100.0f;

  1134.                     stepSmall = range/1000.0f;

  1135.                     stepLarge = range/10.0f;

  1136.                 }

  1137. 

  1138.                 if (LADSPA_IS_PORT_INPUT(portType))

  1139.                 {

  1140.                     pData->param.data[j].type   = PARAMETER_INPUT;

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

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

  1143.                     pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED;

  1144.                     needsCtrlIn = true;

  1145. 

  1146.                     // MIDI CC value

  1147.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1148.                     {

  1149.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1150.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1151.                         {

  1152.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1153.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1154.                                 pData->param.data[j].mappedControlIndex = cc;

  1155.                         }

  1156.                     }

  1157.                 }

  1158.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1159.                 {

  1160.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1161. 

  1162.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1163.                     {

  1164.                         min = 0.0f;

  1165.                         max = sampleRate;

  1166.                         def = 0.0f;

  1167.                         step = 1.0f;

  1168.                         stepSmall = 1.0f;

  1169.                         stepLarge = 1.0f;

  1170.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1171.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1172.                     }

  1173.                     else

  1174.                     {

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

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

  1177.                         needsCtrlOut = true;

  1178.                     }

  1179.                 }

  1180.                 else

  1181.                 {

  1182.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1183.                 }

  1184. 

  1185.                 // extra parameter hints

  1186.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1187.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1188. 

  1189.                 // check for scalepoints, require at least 2 to make it useful

  1190.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1191.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1192. 

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

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

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

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

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

  1198.                 pData->param.ranges[j].stepLarge = stepLarge;

  1199. 

  1200.                 // Start parameters in their default values

  1201.                 fParamBuffers[j] = def;

  1202. 

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

  1204.                 {

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

  1206.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1207. 

  1208.                     try {

  1209.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

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

  1211.                 }

  1212.             }

  1213.             else

  1214.             {

  1215.                 // Not Audio or Control

  1216.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1217. 

  1218.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1219.                 {

  1220.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1221.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1222. 

  1223.                     try {

  1224.                         fDescriptor->connect_port(handle, i, nullptr);

  1225.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1226.                 }

  1227.             }

  1228.         }

  1229. 

  1230.         if (needsCtrlIn)

  1231.         {

  1232.             portName.clear();

  1233. 

  1234.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1235.             {

  1236.                 portName  = pData->name;

  1237.                 portName += ":";

  1238.             }

  1239. 

  1240.             portName += "events-in";

  1241.             portName.truncate(portNameSize);

  1242. 

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

  1244.            #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1245.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1246.            #endif

  1247.         }

  1248. 

  1249.         if (needsCtrlOut)

  1250.         {

  1251.             portName.clear();

  1252. 

  1253.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1254.             {

  1255.                 portName  = pData->name;

  1256.                 portName += ":";

  1257.             }

  1258. 

  1259.             portName += "events-out";

  1260.             portName.truncate(portNameSize);

  1261. 

  1262.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1263.         }

  1264. 

  1265.         if (forcedStereoIn || forcedStereoOut)

  1266.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1267.         else

  1268.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1269. 

  1270.         // plugin hints

  1271.         pData->hints = 0x0;

  1272. 

  1273.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1274.             pData->hints |= PLUGIN_IS_RTSAFE;

  1275. 

  1276.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  1277.         if (fUiFilename != nullptr)

  1278.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1279.        #endif

  1280. 

  1281.        #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1282.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1283.             pData->hints |= PLUGIN_CAN_DRYWET;

  1284. 

  1285.         if (aOuts > 0)

  1286.             pData->hints |= PLUGIN_CAN_VOLUME;

  1287. 

  1288.         if (aOuts >= 2 && aOuts % 2 == 0)

  1289.             pData->hints |= PLUGIN_CAN_BALANCE;

  1290.        #endif

  1291. 

  1292.         // extra plugin hints

  1293.         pData->extraHints = 0x0;

  1294. 

  1295.         if (mIns > 0)

  1296.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1297. 

  1298.         // check initial latency

  1299.         findInitialLatencyValue(aIns, aOuts);

  1300. 

  1301.         fForcedStereoIn  = forcedStereoIn;

  1302.         fForcedStereoOut = forcedStereoOut;

  1303. 

  1304.         bufferSizeChanged(pData->engine->getBufferSize());

  1305.         reloadPrograms(true);

  1306. 

  1307.         if (pData->active)

  1308.             activate();

  1309. 

  1310.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1311.     }

  1312. 

  1313.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1314.     {

  1315.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1316.             return;

  1317. 

  1318.         // we need to pre-run the plugin so it can update its latency control-port

  1319.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1320.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1321. 

  1322.         float tmpIn[64][2];

  1323.         float tmpOut[64][2];

  1324. 

  1325.         for (uint32_t j=0; j < aIns; ++j)

  1326.         {

  1327.             tmpIn[j][0] = 0.0f;

  1328.             tmpIn[j][1] = 0.0f;

  1329. 

  1330.             try {

  1331.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1332.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1333.         }

  1334. 

  1335.         for (uint32_t j=0; j < aOuts; ++j)

  1336.         {

  1337.             tmpOut[j][0] = 0.0f;

  1338.             tmpOut[j][1] = 0.0f;

  1339. 

  1340.             try {

  1341.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1342.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1343.         }

  1344. 

  1345.         if (fDescriptor->activate != nullptr)

  1346.         {

  1347.             try {

  1348.                 fDescriptor->activate(handle);

  1349.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1350.         }

  1351. 

  1352.         try {

  1353.             fDescriptor->run(handle, 2);

  1354.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1355. 

  1356.         if (fDescriptor->deactivate != nullptr)

  1357.         {

  1358.             try {

  1359.                 fDescriptor->deactivate(handle);

  1360.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1361.         }

  1362. 

  1363.         // done, let's get the value

  1364.         if (const uint32_t latency = getLatencyInFrames())

  1365.         {

  1366.             pData->client->setLatency(latency);

  1367. #ifndef BUILD_BRIDGE

  1368.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1369. #endif

  1370.         }

  1371.     }

  1372. 

  1373.     void reloadPrograms(const bool doInit) override

  1374.     {

  1375.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1376. 

  1377.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1378.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1379. 

  1380.         const uint32_t oldCount = pData->midiprog.count;

  1381.         const int32_t  current  = pData->midiprog.current;

  1382. 

  1383.         // Delete old programs

  1384.         pData->midiprog.clear();

  1385. 

  1386.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1387.         if (fDssiDescriptor == nullptr)

  1388.             return;

  1389. 

  1390.         // Query new programs

  1391.         uint32_t newCount = 0;

  1392.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1393.         {

  1394.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1395.                 ++newCount;

  1396.         }

  1397. 

  1398.         if (newCount > 0)

  1399.         {

  1400.             pData->midiprog.createNew(newCount);

  1401. 

  1402.             // Update data

  1403.             for (uint32_t i=0; i < newCount; ++i)

  1404.             {

  1405.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1406.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1407.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1408. 

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

  1410.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1411.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1412.             }

  1413.         }

  1414. 

  1415.         if (doInit)

  1416.         {

  1417.             if (newCount > 0)

  1418.                 setMidiProgram(0, false, false, false, true);

  1419.         }

  1420.         else

  1421.         {

  1422.             // Check if current program is invalid

  1423.             bool programChanged = false;

  1424. 

  1425.             if (newCount == oldCount+1)

  1426.             {

  1427.                 // one midi program added, probably created by user

  1428.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1429.                 programChanged = true;

  1430.             }

  1431.             else if (current < 0 && newCount > 0)

  1432.             {

  1433.                 // programs exist now, but not before

  1434.                 pData->midiprog.current = 0;

  1435.                 programChanged = true;

  1436.             }

  1437.             else if (current >= 0 && newCount == 0)

  1438.             {

  1439.                 // programs existed before, but not anymore

  1440.                 pData->midiprog.current = -1;

  1441.                 programChanged = true;

  1442.             }

  1443.             else if (current >= static_cast<int32_t>(newCount))

  1444.             {

  1445.                 // current midi program > count

  1446.                 pData->midiprog.current = 0;

  1447.                 programChanged = true;

  1448.             }

  1449.             else

  1450.             {

  1451.                 // no change

  1452.                 pData->midiprog.current = current;

  1453.             }

  1454. 

  1455.             if (programChanged)

  1456.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1457. 

  1458.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1459.         }

  1460.     }

  1461. 

  1462.     // -------------------------------------------------------------------

  1463.     // Plugin processing

  1464. 

  1465.     void activate() noexcept override

  1466.     {

  1467.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1468. 

  1469.         if (fDescriptor->activate != nullptr)

  1470.         {

  1471.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1472.             {

  1473.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1474.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1475. 

  1476.                 try {

  1477.                     fDescriptor->activate(handle);

  1478.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1479.             }

  1480.         }

  1481.     }

  1482. 

  1483.     void deactivate() noexcept override

  1484.     {

  1485.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1486. 

  1487.         if (fDescriptor->deactivate != nullptr)

  1488.         {

  1489.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1490.             {

  1491.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1492.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1493. 

  1494.                 try {

  1495.                     fDescriptor->deactivate(handle);

  1496.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1497.             }

  1498.         }

  1499.     }

  1500. 

  1501.     void process(const float* const* const audioIn, float** const audioOut,

  1502.                  const float* const* const cvIn, float**,

  1503.                  const uint32_t frames) override

  1504.     {

  1505.         // --------------------------------------------------------------------------------------------------------

  1506.         // Check if active

  1507. 

  1508.         if (! pData->active)

  1509.         {

  1510.             // disable any output sound

  1511.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1512.                 carla_zeroFloats(audioOut[i], frames);

  1513.             return;

  1514.         }

  1515. 

  1516.         ulong midiEventCount = 0;

  1517.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1518. 

  1519.         // --------------------------------------------------------------------------------------------------------

  1520.         // Check if needs reset

  1521. 

  1522.         if (pData->needsReset)

  1523.         {

  1524.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1525.             {

  1526.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1527. 

  1528.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1529.                 {

  1530.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1531.                     fMidiEvents[i].data.control.channel = i;

  1532.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1533. 

  1534.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

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

  1536.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1537.                 }

  1538.             }

  1539.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1540.             {

  1541.                 midiEventCount = MAX_MIDI_NOTE;

  1542. 

  1543.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1544.                 {

  1545.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1546.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1547.                     fMidiEvents[i].data.note.note    = i;

  1548.                 }

  1549.             }

  1550. 

  1551.             pData->needsReset = false;

  1552.         }

  1553. 

  1554.         // --------------------------------------------------------------------------------------------------------

  1555.         // Event Input and Processing

  1556. 

  1557.         if (pData->event.portIn != nullptr)

  1558.         {

  1559.             // ----------------------------------------------------------------------------------------------------

  1560.             // MIDI Input (External)

  1561. 

  1562.             if (pData->extNotes.mutex.tryLock())

  1563.             {

  1564.                 ExternalMidiNote note = { 0, 0, 0 };

  1565. 

  1566.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1567.                 {

  1568.                     note = pData->extNotes.data.getFirst(note, true);

  1569.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1570. 

  1571.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1572. 

  1573.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1574.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1575.                     seqEvent.data.note.note     = note.note;

  1576.                     seqEvent.data.note.velocity = note.velo;

  1577.                 }

  1578. 

  1579.                 pData->extNotes.mutex.unlock();

  1580. 

  1581.             } // End of MIDI Input (External)

  1582. 

  1583.             // ----------------------------------------------------------------------------------------------------

  1584.             // Event Input (System)

  1585. 

  1586. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1587.             bool allNotesOffSent = false;

  1588. #endif

  1589.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1590. 

  1591.             uint32_t startTime  = 0;

  1592.             uint32_t timeOffset = 0;

  1593.             uint32_t nextBankId;

  1594. 

  1595.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1596.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1597.             else

  1598.                 nextBankId = 0;

  1599. 

  1600. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1601.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1602.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1603. #endif

  1604. 

  1605.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1606.             {

  1607.                 EngineEvent& event(pData->event.portIn->getEvent(i));

  1608. 

  1609.                 uint32_t eventTime = event.time;

  1610.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1611. 

  1612.                 if (eventTime < timeOffset)

  1613.                 {

  1614.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1615.                                   eventTime, timeOffset, pData->name);

  1616.                     eventTime = timeOffset;

  1617.                 }

  1618. 

  1619.                 if (isSampleAccurate && eventTime > timeOffset)

  1620.                 {

  1621.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1622.                     {

  1623.                         startTime  = 0;

  1624.                         timeOffset = eventTime;

  1625.                         midiEventCount = 0;

  1626. 

  1627.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1628.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1629.                         else

  1630.                             nextBankId = 0;

  1631.                     }

  1632.                     else

  1633.                         startTime += timeOffset;

  1634.                 }

  1635. 

  1636.                 switch (event.type)

  1637.                 {

  1638.                 case kEngineEventTypeNull:

  1639.                     break;

  1640. 

  1641.                 case kEngineEventTypeControl: {

  1642.                     EngineControlEvent& ctrlEvent(event.ctrl);

  1643. 

  1644.                     switch (ctrlEvent.type)

  1645.                     {

  1646.                     case kEngineControlEventTypeNull:

  1647.                         break;

  1648. 

  1649.                     case kEngineControlEventTypeParameter: {

  1650.                         float value;

  1651. 

  1652. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1653.                         // non-midi

  1654.                         if (event.channel == kEngineEventNonMidiChannel)

  1655.                         {

  1656.                             const uint32_t k = ctrlEvent.param;

  1657.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1658. 

  1659.                             ctrlEvent.handled = true;

  1660.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1661.                             setParameterValueRT(k, value, event.time, true);

  1662.                             continue;

  1663.                         }

  1664. 

  1665.                         // Control backend stuff

  1666.                         if (event.channel == pData->ctrlChannel)

  1667.                         {

  1668.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1669.                             {

  1670.                                 ctrlEvent.handled = true;

  1671.                                 value = ctrlEvent.normalizedValue;

  1672.                                 setDryWetRT(value, true);

  1673.                             }

  1674.                             else if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1675.                             {

  1676.                                 ctrlEvent.handled = true;

  1677.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1678.                                 setVolumeRT(value, true);

  1679.                             }

  1680.                             else if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1681.                             {

  1682.                                 float left, right;

  1683.                                 value = ctrlEvent.normalizedValue/0.5f - 1.0f;

  1684. 

  1685.                                 if (value < 0.0f)

  1686.                                 {

  1687.                                     left  = -1.0f;

  1688.                                     right = (value*2.0f)+1.0f;

  1689.                                 }

  1690.                                 else if (value > 0.0f)

  1691.                                 {

  1692.                                     left  = (value*2.0f)-1.0f;

  1693.                                     right = 1.0f;

  1694.                                 }

  1695.                                 else

  1696.                                 {

  1697.                                     left  = -1.0f;

  1698.                                     right = 1.0f;

  1699.                                 }

  1700. 

  1701.                                 ctrlEvent.handled = true;

  1702.                                 setBalanceLeftRT(left, true);

  1703.                                 setBalanceRightRT(right, true);

  1704.                             }

  1705.                         }

  1706. #endif

  1707.                         // Control plugin parameters

  1708.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1709.                         {

  1710.                             if (pData->param.data[k].midiChannel != event.channel)

  1711.                                 continue;

  1712.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1713.                                 continue;

  1714.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1715.                                 continue;

  1716.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMATABLE) == 0)

  1717.                                 continue;

  1718. 

  1719.                             ctrlEvent.handled = true;

  1720.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1721.                             setParameterValueRT(k, value, event.time, true);

  1722.                         }

  1723. 

  1724.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1725.                         {

  1726.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1727.                                 continue;

  1728. 

  1729.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1730. 

  1731.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1732. 

  1733.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1734.                             seqEvent.data.control.channel = event.channel;

  1735.                             seqEvent.data.control.param   = ctrlEvent.param;

  1736.                             seqEvent.data.control.value   = int8_t(ctrlEvent.normalizedValue*127.0f + 0.5f);

  1737.                         }

  1738. 

  1739. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1740.                         if (! ctrlEvent.handled)

  1741.                             checkForMidiLearn(event);

  1742. #endif

  1743.                         break;

  1744.                     } // case kEngineControlEventTypeParameter

  1745. 

  1746.                     case kEngineControlEventTypeMidiBank:

  1747.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1748.                             nextBankId = ctrlEvent.param;

  1749.                         break;

  1750. 

  1751.                     case kEngineControlEventTypeMidiProgram:

  1752.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1753.                         {

  1754.                             const uint32_t nextProgramId = ctrlEvent.param;

  1755. 

  1756.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1757.                             {

  1758.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1759.                                 {

  1760.                                     setMidiProgramRT(k, true);

  1761.                                     break;

  1762.                                 }

  1763.                             }

  1764.                         }

  1765.                         break;

  1766. 

  1767.                     case kEngineControlEventTypeAllSoundOff:

  1768.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1769.                         {

  1770.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1771.                                 continue;

  1772. 

  1773.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1774. 

  1775.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1776. 

  1777.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1778.                             seqEvent.data.control.channel = event.channel;

  1779.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1780.                         }

  1781.                         break;

  1782. 

  1783.                     case kEngineControlEventTypeAllNotesOff:

  1784.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1785.                         {

  1786. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1787.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1788.                             {

  1789.                                 allNotesOffSent = true;

  1790.                                 postponeRtAllNotesOff();

  1791.                             }

  1792. #endif

  1793. 

  1794.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1795.                                 continue;

  1796. 

  1797.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1798. 

  1799.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1800. 

  1801.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1802.                             seqEvent.data.control.channel = event.channel;

  1803.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1804.                         }

  1805.                         break;

  1806.                     } // switch (ctrlEvent.type)

  1807.                     break;

  1808.                 } // case kEngineEventTypeControl

  1809. 

  1810.                 case kEngineEventTypeMidi: {

  1811.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1812.                         continue;

  1813. 

  1814.                     const EngineMidiEvent& midiEvent(event.midi);

  1815. 

  1816.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1817.                         continue;

  1818. 

  1819.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1820. 

  1821.                     // Fix bad note-off (per DSSI spec)

  1822.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1823.                         status = MIDI_STATUS_NOTE_OFF;

  1824. 

  1825.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1826. 

  1827.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1828. 

  1829.                     switch (status)

  1830.                     {

  1831.                     case MIDI_STATUS_NOTE_OFF:

  1832.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1833.                         {

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

  1835. 

  1836.                             seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1837.                             seqEvent.data.note.channel = event.channel;

  1838.                             seqEvent.data.note.note    = note;

  1839. 

  1840.                             pData->postponeNoteOffRtEvent(true, event.channel, note);

  1841.                         }

  1842.                         break;

  1843. 

  1844.                     case MIDI_STATUS_NOTE_ON:

  1845.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1846.                         {

  1847.                             const uint8_t note = midiEvent.data[1];

  1848.                             const uint8_t velo = midiEvent.data[2];

  1849. 

  1850.                             seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1851.                             seqEvent.data.note.channel  = event.channel;

  1852.                             seqEvent.data.note.note     = note;

  1853.                             seqEvent.data.note.velocity = velo;

  1854. 

  1855.                             pData->postponeNoteOnRtEvent(true, event.channel, note, velo);

  1856.                         }

  1857.                         break;

  1858. 

  1859.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1860.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1861.                         {

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

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

  1864. 

  1865.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1867.                             seqEvent.data.note.note     = note;

  1868.                             seqEvent.data.note.velocity = pressure;

  1869.                         }

  1870.                         break;

  1871. 

  1872.                     case MIDI_STATUS_CONTROL_CHANGE:

  1873.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1874.                         {

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

  1876.                             const uint8_t value   = midiEvent.data[2];

  1877. 

  1878.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1879.                             seqEvent.data.control.channel = event.channel;

  1880.                             seqEvent.data.control.param   = control;

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

  1882.                         }

  1883.                         break;

  1884. 

  1885.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1886.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1887.                         {

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

  1889. 

  1890.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1891.                             seqEvent.data.control.channel = event.channel;

  1892.                             seqEvent.data.control.value   = pressure;

  1893.                         }

  1894.                         break;

  1895. 

  1896.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1897.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1898.                         {

  1899.                             const uint8_t lsb = midiEvent.data[1];

  1900.                             const uint8_t msb = midiEvent.data[2];

  1901. 

  1902.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1903.                             seqEvent.data.control.channel = event.channel;

  1904.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1905.                         }

  1906.                         break;

  1907. 

  1908.                     default:

  1909.                         --midiEventCount;

  1910.                         break;

  1911.                     } // switch (status)

  1912.                 } break;

  1913.                 } // switch (event.type)

  1914.             }

  1915. 

  1916.             pData->postRtEvents.trySplice();

  1917. 

  1918.             if (frames > timeOffset)

  1919.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1920. 

  1921.         } // End of Event Input and Processing

  1922. 

  1923.         // --------------------------------------------------------------------------------------------------------

  1924.         // Plugin processing (no events)

  1925. 

  1926.         else

  1927.         {

  1928.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1929. 

  1930.         } // End of Plugin processing (no events)

  1931. 

  1932.         // --------------------------------------------------------------------------------------------------------

  1933.         // Control Output

  1934. 

  1935.         if (pData->event.portOut != nullptr)

  1936.         {

  1937.             uint8_t  channel;

  1938.             uint16_t param;

  1939.             float    value;

  1940. 

  1941.             for (uint32_t k=0; k < pData->param.count; ++k)

  1942.             {

  1943.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1944.                     continue;

  1945. 

  1946.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1947. 

  1948.                 if (pData->param.data[k].mappedControlIndex > 0)

  1949.                 {

  1950.                     channel = pData->param.data[k].midiChannel;

  1951.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1952.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1953.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter,

  1954.                                                             param, -1, value);

  1955.                 }

  1956.             }

  1957.         } // End of Control Output

  1958. 

  1959. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1960.         return;

  1961. 

  1962.         // unused

  1963.         (void)cvIn;

  1964. #endif

  1965.     }

  1966. 

  1967.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1968.                        const uint32_t timeOffset, const ulong midiEventCount)

  1969.     {

  1970.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1971. 

  1972.         if (pData->audioIn.count > 0)

  1973.         {

  1974.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1975.         }

  1976.         if (pData->audioOut.count > 0)

  1977.         {

  1978.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1979.         }

  1980. 

  1981.         // --------------------------------------------------------------------------------------------------------

  1982.         // Try lock, silence otherwise

  1983. 

  1984. #ifndef STOAT_TEST_BUILD

  1985.         if (pData->engine->isOffline())

  1986.         {

  1987.             pData->singleMutex.lock();

  1988.         }

  1989.         else

  1990. #endif

  1991.         if (! pData->singleMutex.tryLock())

  1992.         {

  1993.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1994.             {

  1995.                 for (uint32_t k=0; k < frames; ++k)

  1996.                     audioOut[i][k+timeOffset] = 0.0f;

  1997.             }

  1998. 

  1999.             return false;

  2000.         }

  2001. 

  2002.         // --------------------------------------------------------------------------------------------------------

  2003.         // Set audio buffers

  2004. 

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

  2006.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  2007. 

  2008.         if (! customMonoOut)

  2009.         {

  2010.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2011.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  2012.         }

  2013. 

  2014.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2015.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2016. 

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

  2018.         // Run plugin

  2019. 

  2020.         uint instn = 0;

  2021.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2022.         {

  2023.             LADSPA_Handle const handle(it.getValue(nullptr));

  2024.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2025. 

  2026.             // ----------------------------------------------------------------------------------------------------

  2027.             // Mixdown for forced stereo

  2028. 

  2029.             if (customMonoOut)

  2030.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2031. 

  2032.             // ----------------------------------------------------------------------------------------------------

  2033.             // Run it

  2034. 

  2035.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2036.             {

  2037.                 try {

  2038.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2039.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2040.             }

  2041.             else

  2042.             {

  2043.                 try {

  2044.                     fDescriptor->run(handle, frames);

  2045.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2046.             }

  2047. 

  2048.             // ----------------------------------------------------------------------------------------------------

  2049.             // Mixdown for forced stereo

  2050. 

  2051.             if (customMonoOut)

  2052.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2053.             else if (customStereoOut)

  2054.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2055.         }

  2056. 

  2057.         if (customStereoOut)

  2058.         {

  2059.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2060.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2061.         }

  2062. 

  2063. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2064.         // --------------------------------------------------------------------------------------------------------

  2065.         // Post-processing (dry/wet, volume and balance)

  2066. 

  2067.         {

  2068.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2069.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2070.             const bool isMono    = (pData->audioIn.count == 1);

  2071. 

  2072.             bool isPair;

  2073.             float bufValue;

  2074.             float* const oldBufLeft = pData->postProc.extraBuffer;

  2075. 

  2076.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2077.             {

  2078.                 // Dry/Wet

  2079.                 if (doDryWet)

  2080.                 {

  2081.                     const uint32_t c = isMono ? 0 : i;

  2082. 

  2083.                     for (uint32_t k=0; k < frames; ++k)

  2084.                     {

  2085. # ifndef BUILD_BRIDGE

  2086.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

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

  2088.                         else if (pData->latency.frames < frames)

  2089.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2090.                         else

  2091. # endif

  2092.                             bufValue = fAudioInBuffers[c][k];

  2093. 

  2094.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2095.                     }

  2096.                 }

  2097. 

  2098.                 // Balance

  2099.                 if (doBalance)

  2100.                 {

  2101.                     isPair = (i % 2 == 0);

  2102. 

  2103.                     if (isPair)

  2104.                     {

  2105.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2106.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2107.                     }

  2108. 

  2109.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2110.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2111. 

  2112.                     for (uint32_t k=0; k < frames; ++k)

  2113.                     {

  2114.                         if (isPair)

  2115.                         {

  2116.                             // left

  2117.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2118.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2119.                         }

  2120.                         else

  2121.                         {

  2122.                             // right

  2123.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2124.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2125.                         }

  2126.                     }

  2127.                 }

  2128. 

  2129.                 // Volume (and buffer copy)

  2130.                 {

  2131.                     for (uint32_t k=0; k < frames; ++k)

  2132.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2133.                 }

  2134.             }

  2135. 

  2136.         } // End of Post-processing

  2137. 

  2138. # ifndef BUILD_BRIDGE

  2139.         // --------------------------------------------------------------------------------------------------------

  2140.         // Save latency values for next callback

  2141. 

  2142.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2143.         {

  2144.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2145.             const uint32_t latframes = pData->latency.frames;

  2146. 

  2147.             if (latframes <= frames)

  2148.             {

  2149.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2150.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2151.             }

  2152.             else

  2153.             {

  2154.                 const uint32_t diff = latframes - frames;

  2155. 

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

  2157.                 {

  2158.                     // push back buffer by 'frames'

  2159.                     for (k=0; k < diff; ++k)

  2160.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2161. 

  2162.                     // put current input at the end

  2163.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2164.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2165.                 }

  2166.             }

  2167.         }

  2168. # endif

  2169. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2170.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2171.         {

  2172.             for (uint32_t k=0; k < frames; ++k)

  2173.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2174.         }

  2175. #endif

  2176. 

  2177.         // --------------------------------------------------------------------------------------------------------

  2178. 

  2179.         pData->singleMutex.unlock();

  2180.         return true;

  2181.     }

  2182. 

  2183.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2184.     {

  2185.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2186.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2187. 

  2188.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2189.         {

  2190.             if (fAudioInBuffers[i] != nullptr)

  2191.                 delete[] fAudioInBuffers[i];

  2192. 

  2193.             fAudioInBuffers[i] = new float[newBufferSize];

  2194.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2195.         }

  2196. 

  2197.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2198.         {

  2199.             if (fAudioOutBuffers[i] != nullptr)

  2200.                 delete[] fAudioOutBuffers[i];

  2201. 

  2202.             fAudioOutBuffers[i] = new float[newBufferSize];

  2203.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2204.         }

  2205. 

  2206.         if (fExtraStereoBuffer[0] != nullptr)

  2207.         {

  2208.             delete[] fExtraStereoBuffer[0];

  2209.             fExtraStereoBuffer[0] = nullptr;

  2210.         }

  2211. 

  2212.         if (fExtraStereoBuffer[1] != nullptr)

  2213.         {

  2214.             delete[] fExtraStereoBuffer[1];

  2215.             fExtraStereoBuffer[1] = nullptr;

  2216.         }

  2217. 

  2218.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2219.         {

  2220.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2221.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2222.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2223.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2224.         }

  2225. 

  2226.         reconnectAudioPorts();

  2227. 

  2228.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2229. 

  2230.         CarlaPlugin::bufferSizeChanged(newBufferSize);

  2231.     }

  2232. 

  2233.     void sampleRateChanged(const double newSampleRate) override

  2234.     {

  2235.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2236.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2237. 

  2238.         // TODO - handle UI stuff

  2239. 

  2240.         if (pData->active)

  2241.             deactivate();

  2242. 

  2243.         const std::size_t instanceCount(fHandles.count());

  2244. 

  2245.         if (fDescriptor->cleanup != nullptr)

  2246.         {

  2247.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2248.             {

  2249.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2250.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2251. 

  2252.                 try {

  2253.                     fDescriptor->cleanup(handle);

  2254.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2255.             }

  2256.         }

  2257. 

  2258.         fHandles.clear();

  2259. 

  2260.         for (std::size_t i=0; i<instanceCount; ++i)

  2261.             addInstance();

  2262. 

  2263.         reconnectAudioPorts();

  2264. 

  2265.         if (pData->active)

  2266.             activate();

  2267. 

  2268.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2269.     }

  2270. 

  2271.     void reconnectAudioPorts() const noexcept

  2272.     {

  2273.         if (fForcedStereoIn)

  2274.         {

  2275.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2276.             {

  2277.                 try {

  2278.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2279.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2280.             }

  2281. 

  2282.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2283.             {

  2284.                 try {

  2285.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2286.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2287.             }

  2288.         }

  2289.         else

  2290.         {

  2291.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2292.             {

  2293.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2294.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2295. 

  2296.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2297.                 {

  2298.                     try {

  2299.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2300.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2301.                 }

  2302.             }

  2303.         }

  2304. 

  2305.         if (fForcedStereoOut)

  2306.         {

  2307.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2308.             {

  2309.                 try {

  2310.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2311.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2312.             }

  2313. 

  2314.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2315.             {

  2316.                 try {

  2317.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2318.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2319.             }

  2320.         }

  2321.         else

  2322.         {

  2323.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2324.             {

  2325.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2326.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2327. 

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

  2329.                 {

  2330.                     try {

  2331.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2332.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2333.                 }

  2334.             }

  2335.         }

  2336.     }

  2337. 

  2338.     // -------------------------------------------------------------------

  2339.     // Plugin buffers

  2340. 

  2341.     void clearBuffers() noexcept override

  2342.     {

  2343.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2344. 

  2345.         if (fAudioInBuffers != nullptr)

  2346.         {

  2347.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2348.             {

  2349.                 if (fAudioInBuffers[i] != nullptr)

  2350.                 {

  2351.                     delete[] fAudioInBuffers[i];

  2352.                     fAudioInBuffers[i] = nullptr;

  2353.                 }

  2354.             }

  2355. 

  2356.             delete[] fAudioInBuffers;

  2357.             fAudioInBuffers = nullptr;

  2358.         }

  2359. 

  2360.         if (fAudioOutBuffers != nullptr)

  2361.         {

  2362.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2363.             {

  2364.                 if (fAudioOutBuffers[i] != nullptr)

  2365.                 {

  2366.                     delete[] fAudioOutBuffers[i];

  2367.                     fAudioOutBuffers[i] = nullptr;

  2368.                 }

  2369.             }

  2370. 

  2371.             delete[] fAudioOutBuffers;

  2372.             fAudioOutBuffers = nullptr;

  2373.         }

  2374. 

  2375.         if (fExtraStereoBuffer[0] != nullptr)

  2376.         {

  2377.             delete[] fExtraStereoBuffer[0];

  2378.             fExtraStereoBuffer[0] = nullptr;

  2379.         }

  2380. 

  2381.         if (fExtraStereoBuffer[1] != nullptr)

  2382.         {

  2383.             delete[] fExtraStereoBuffer[1];

  2384.             fExtraStereoBuffer[1] = nullptr;

  2385.         }

  2386. 

  2387.         if (fParamBuffers != nullptr)

  2388.         {

  2389.             delete[] fParamBuffers;

  2390.             fParamBuffers = nullptr;

  2391.         }

  2392. 

  2393.         CarlaPlugin::clearBuffers();

  2394. 

  2395.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2396.     }

  2397. 

  2398.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2399.     // -------------------------------------------------------------------

  2400.     // OSC stuff

  2401. 

  2402.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2403.     {

  2404.         const lo_address source(lo_message_get_source(msg));

  2405.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2406. 

  2407.         // protocol for DSSI UIs *must* be UDP

  2408.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2409. 

  2410.         if (fOscData.source == nullptr)

  2411.         {

  2412.             // if no UI is registered yet only "configure" and "update" messages are valid

  2413.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2414.         }

  2415.         else

  2416.         {

  2417.             // make sure message source is the DSSI UI

  2418.             const char* const msghost = lo_address_get_hostname(source);

  2419.             const char* const msgport = lo_address_get_port(source);

  2420. 

  2421.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2422.             const char* const ourport = lo_address_get_port(fOscData.source);

  2423. 

  2424.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2425.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2426.         }

  2427. 

  2428.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2429. 

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

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

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

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

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

  2435.             return handleOscMessageProgram(argc, argv, types);

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

  2437.             return handleOscMessageMIDI(argc, argv, types);

  2438.         if (std::strcmp(method, "update") == 0)

  2439.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2440.         if (std::strcmp(method, "exiting") == 0)

  2441.             return handleOscMessageExiting();

  2442. 

  2443.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2444.     }

  2445. 

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

  2447.     {

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

  2449.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2450. 

  2451.         const char* const key   = (const char*)&argv[0]->s;

  2452.         const char* const value = (const char*)&argv[1]->s;

  2453. 

  2454.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2455.     }

  2456. 

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

  2458.     {

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

  2460.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2461. 

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

  2463.         const float   value  = argv[1]->f;

  2464. 

  2465.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2466.     }

  2467. 

  2468.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2469.     {

  2470.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2471.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2472. 

  2473.         const int32_t bank    = argv[0]->i;

  2474.         const int32_t program = argv[1]->i;

  2475. 

  2476.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2477.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2478. 

  2479.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2480.     }

  2481. 

  2482.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2483.     {

  2484.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2485.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2486. 

  2487.         if (getMidiInCount() == 0)

  2488.         {

  2489.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2490.             return;

  2491.         }

  2492. 

  2493.         const uint8_t* const data = argv[0]->m;

  2494.         uint8_t status  = data[1];

  2495.         uint8_t channel = status & 0x0F;

  2496. 

  2497.         // Fix bad note-off

  2498.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2499.             status = MIDI_STATUS_NOTE_OFF;

  2500. 

  2501.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2502.         {

  2503.             const uint8_t note = data[2];

  2504. 

  2505.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2506. 

  2507.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2508.         }

  2509.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2510.         {

  2511.             const uint8_t note = data[2];

  2512.             const uint8_t velo = data[3];

  2513. 

  2514.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2515.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2516. 

  2517.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2518.         }

  2519.     }

  2520. 

  2521.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2522.     {

  2523.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2524.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2525. 

  2526.         const char* const url = (const char*)&argv[0]->s;

  2527. 

  2528.         // FIXME - remove debug prints later

  2529.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2530. 

  2531.         fOscData.clear();

  2532. 

  2533.         const int proto = lo_address_get_protocol(source);

  2534. 

  2535.         {

  2536.             const char* host = lo_address_get_hostname(source);

  2537.             const char* port = lo_address_get_port(source);

  2538.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2539. 

  2540.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2541.         }

  2542. 

  2543.         {

  2544.             char* host = lo_url_get_hostname(url);

  2545.             char* port = lo_url_get_port(url);

  2546.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2547.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2548.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2549. 

  2550.             std::free(host);

  2551.             std::free(port);

  2552.         }

  2553. 

  2554.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2555. 

  2556.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2557.         {

  2558.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2559.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2560. 

  2561.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2562.                 osc_send_configure(fOscData, customData.key, customData.value);

  2563.         }

  2564. 

  2565.         if (pData->prog.current >= 0)

  2566.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2567. 

  2568.         if (pData->midiprog.current >= 0)

  2569.         {

  2570.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2571.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2572.         }

  2573. 

  2574.         for (uint32_t i=0; i < pData->param.count; ++i)

  2575.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2576. 

  2577.        #ifndef BUILD_BRIDGE

  2578.         if (pData->engine->getOptions().frontendWinId != 0)

  2579.             pData->transientTryCounter = 1;

  2580.        #endif

  2581. 

  2582.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2583.     }

  2584. 

  2585.     void handleOscMessageExiting()

  2586.     {

  2587.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2588. 

  2589.         // hide UI

  2590.         showCustomUI(false);

  2591. 

  2592.         // tell frontend

  2593.         pData->engine->callback(true, true,

  2594.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2595.                                 pData->id,

  2596.                                 0,

  2597.                                 0, 0, 0.0f, nullptr);

  2598.     }

  2599. 

  2600.     // -------------------------------------------------------------------

  2601.     // Post-poned UI Stuff

  2602. 

  2603.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2604.     {

  2605.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2606. 

  2607.         if (fOscData.target == nullptr)

  2608.             return;

  2609. 

  2610.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2611.     }

  2612. 

  2613.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2614.     {

  2615.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2616. 

  2617.         if (fOscData.target == nullptr)

  2618.             return;

  2619. 

  2620.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2621.     }

  2622. 

  2623.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2624.     {

  2625.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2626.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2627.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2628. 

  2629.         if (fOscData.target == nullptr)

  2630.             return;

  2631. 

  2632.        #if 0

  2633.         uint8_t midiData[4];

  2634.         midiData[0] = 0;

  2635.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2636.         midiData[2] = note;

  2637.         midiData[3] = velo;

  2638. 

  2639.         osc_send_midi(fOscData, midiData);

  2640.        #endif

  2641.     }

  2642. 

  2643.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2644.     {

  2645.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2646.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2647. 

  2648.         if (fOscData.target == nullptr)

  2649.             return;

  2650. 

  2651.        #if 0

  2652.         uint8_t midiData[4];

  2653.         midiData[0] = 0;

  2654.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2655.         midiData[2] = note;

  2656.         midiData[3] = 0;

  2657. 

  2658.         osc_send_midi(fOscData, midiData);

  2659.        #endif

  2660.     }

  2661.    #endif // CARLA_ENABLE_DSSI_PLUGIN_GUI

  2662. 

  2663.     // -------------------------------------------------------------------

  2664. 

  2665.     const void* getNativeDescriptor() const noexcept override

  2666.     {

  2667.         return fDssiDescriptor != nullptr

  2668.                ? (const void*)fDssiDescriptor

  2669.                : (const void*)fDescriptor;

  2670.     }

  2671. 

  2672.     const void* getExtraStuff() const noexcept override

  2673.     {

  2674.         if (fDssiDescriptor != nullptr)

  2675.         {

  2676.            #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2677.             return fUiFilename;

  2678.            #else

  2679.             return nullptr;

  2680.            #endif

  2681.         }

  2682.         return fRdfDescriptor;

  2683.     }

  2684. 

  2685.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2686.     uintptr_t getUiBridgeProcessId() const noexcept override

  2687.     {

  2688.         return fThreadUI.getProcessId();

  2689.     }

  2690.    #endif

  2691. 

  2692.     // -------------------------------------------------------------------

  2693. 

  2694.     bool initLADSPA(const CarlaPluginPtr plugin,

  2695.                     const char* const filename, const char* name, const char* const label, const uint options,

  2696.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2697.     {

  2698.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2699. 

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

  2701.         // first checks

  2702. 

  2703.         if (pData->client != nullptr)

  2704.         {

  2705.             pData->engine->setLastError("Plugin client is already registered");

  2706.             return false;

  2707.         }

  2708. 

  2709.         if (filename == nullptr || filename[0] == '\0')

  2710.         {

  2711.             pData->engine->setLastError("null filename");

  2712.             return false;

  2713.         }

  2714. 

  2715.         // ---------------------------------------------------------------

  2716.         // open DLL

  2717. 

  2718.         if (! pData->libOpen(filename))

  2719.         {

  2720.             pData->engine->setLastError(pData->libError(filename));

  2721.             return false;

  2722.         }

  2723. 

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

  2725.         // get DLL main entry

  2726. 

  2727.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2728. 

  2729.         if (descFn == nullptr)

  2730.         {

  2731.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2732.             return false;

  2733.         }

  2734. 

  2735.         // ---------------------------------------------------------------

  2736.         // get descriptor that matches label

  2737. 

  2738.         // if label is null, get first valid plugin

  2739.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2740. 

  2741.         for (ulong d=0;; ++d)

  2742.         {

  2743.             try {

  2744.                 fDescriptor = descFn(d);

  2745.             }

  2746.             catch(...) {

  2747.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2748.                 fDescriptor = nullptr;

  2749.                 break;

  2750.             }

  2751. 

  2752.             if (fDescriptor == nullptr)

  2753.                 break;

  2754. 

  2755.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2756.             {

  2757.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2758.                 fDescriptor = nullptr;

  2759.                 break;

  2760.             }

  2761.             if (fDescriptor->run == nullptr)

  2762.             {

  2763.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2764.                 fDescriptor = nullptr;

  2765.                 break;

  2766.             }

  2767. 

  2768.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2769.                 break;

  2770.         }

  2771. 

  2772.         if (fDescriptor == nullptr)

  2773.         {

  2774.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2775.             return false;

  2776.         }

  2777. 

  2778.         return init2(plugin, filename, name, options, rdfDescriptor);

  2779.     }

  2780. 

  2781.     bool initDSSI(const CarlaPluginPtr plugin,

  2782.                   const char* const filename, const char* name, const char* const label, const uint options)

  2783.     {

  2784.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2785. 

  2786.         // ---------------------------------------------------------------

  2787.         // first checks

  2788. 

  2789.         if (pData->client != nullptr)

  2790.         {

  2791.             pData->engine->setLastError("Plugin client is already registered");

  2792.             return false;

  2793.         }

  2794. 

  2795.         if (filename == nullptr || filename[0] == '\0')

  2796.         {

  2797.             pData->engine->setLastError("null filename");

  2798.             return false;

  2799.         }

  2800. 

  2801.         // ---------------------------------------------------------------

  2802.         // open DLL

  2803. 

  2804.         if (! pData->libOpen(filename))

  2805.         {

  2806.             pData->engine->setLastError(pData->libError(filename));

  2807.             return false;

  2808.         }

  2809. 

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

  2811.         // get DLL main entry

  2812. 

  2813.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2814. 

  2815.         if (descFn == nullptr)

  2816.         {

  2817.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2818.             return false;

  2819.         }

  2820. 

  2821.         // ---------------------------------------------------------------

  2822.         // get descriptor that matches label

  2823. 

  2824.         // if label is null, get first valid plugin

  2825.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2826. 

  2827.         for (ulong d=0;; ++d)

  2828.         {

  2829.             try {

  2830.                 fDssiDescriptor = descFn(d);

  2831.             }

  2832.             catch(...) {

  2833.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2834.                 fDescriptor     = nullptr;

  2835.                 fDssiDescriptor = nullptr;

  2836.                 break;

  2837.             }

  2838. 

  2839.             if (fDssiDescriptor == nullptr)

  2840.                 break;

  2841. 

  2842.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2843. 

  2844.             if (fDescriptor == nullptr)

  2845.             {

  2846.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2847.                 fDssiDescriptor = nullptr;

  2848.                 break;

  2849.             }

  2850.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2851.             {

  2852.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2853.                 fDescriptor     = nullptr;

  2854.                 fDssiDescriptor = nullptr;

  2855.                 break;

  2856.             }

  2857.             if (fDescriptor->run == nullptr)

  2858.             {

  2859.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2860.                 fDescriptor     = nullptr;

  2861.                 fDssiDescriptor = nullptr;

  2862.                 break;

  2863.             }

  2864. 

  2865.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2866.                 break;

  2867.         }

  2868. 

  2869.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2870.         {

  2871.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2872.             return false;

  2873.         }

  2874. 

  2875.         // ---------------------------------------------------------------

  2876.         // check if uses global instance

  2877. 

  2878.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2879.         {

  2880.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2881.             return false;

  2882.         }

  2883. 

  2884.         return init2(plugin, filename, name, options, nullptr);

  2885.     }

  2886. 

  2887.     bool init2(const CarlaPluginPtr plugin,

  2888.                const char* const filename, const char* name, const uint options,

  2889.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2890.     {

  2891.         // ---------------------------------------------------------------

  2892.         // check for fixed buffer size requirement

  2893. 

  2894.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2895. 

  2896.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2897.         {

  2898.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2899.                                         "The plugin requires a fixed block size which is not possible right now.");

  2900.             return false;

  2901.         }

  2902. 

  2903.         // ---------------------------------------------------------------

  2904.         // get info

  2905. 

  2906.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2907.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2908. 

  2909.         if (name == nullptr || name[0] == '\0')

  2910.         {

  2911.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2912.                 name = fRdfDescriptor->Title;

  2913.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2914.                 name = fDescriptor->Name;

  2915.             else

  2916.                 name = fDescriptor->Label;

  2917.         }

  2918. 

  2919.         pData->name = pData->engine->getUniquePluginName(name);

  2920.         pData->filename = carla_strdup(filename);

  2921. 

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

  2923.         // register client

  2924. 

  2925.         pData->client = pData->engine->addClient(plugin);

  2926. 

  2927.         if (pData->client == nullptr || ! pData->client->isOk())

  2928.         {

  2929.             pData->engine->setLastError("Failed to register plugin client");

  2930.             return false;

  2931.         }

  2932. 

  2933.         // ---------------------------------------------------------------

  2934.         // initialize plugin

  2935. 

  2936.         if (! addInstance())

  2937.             return false;

  2938. 

  2939.         // ---------------------------------------------------------------

  2940.         // find latency port index

  2941. 

  2942.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2943.         {

  2944.             const int portType(fDescriptor->PortDescriptors[i]);

  2945. 

  2946.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2947.                 continue;

  2948. 

  2949.             const uint32_t index(iCtrl++);

  2950. 

  2951.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2952.                 continue;

  2953. 

  2954.             const char* const portName(fDescriptor->PortNames[i]);

  2955.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2956. 

  2957.             if (std::strcmp(portName, "latency")  == 0 ||

  2958.                 std::strcmp(portName, "_latency") == 0)

  2959.             {

  2960.                 fLatencyIndex = static_cast<int32_t>(index);

  2961.                 break;

  2962.             }

  2963.         }

  2964. 

  2965.         // ---------------------------------------------------------------

  2966.         // check for custom data extension

  2967. 

  2968.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2969.         {

  2970.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2971.             {

  2972.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2973.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2974.                     fUsesCustomData = true;

  2975. 

  2976.                 std::free(error);

  2977.             }

  2978.         }

  2979. 

  2980.         // ---------------------------------------------------------------

  2981.         // get engine options

  2982. 

  2983.         const EngineOptions& opts(pData->engine->getOptions());

  2984. 

  2985.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2986.         // ---------------------------------------------------------------

  2987.         // check for gui

  2988. 

  2989.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2990.         {

  2991.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2992.             {

  2993.                 fUiFilename = guiFilename;

  2994. 

  2995.                 CarlaString uiTitle;

  2996. 

  2997.                 if (pData->uiTitle.isNotEmpty())

  2998.                 {

  2999.                     uiTitle = pData->uiTitle;

  3000.                 }

  3001.                 else

  3002.                 {

  3003.                     uiTitle  = pData->name;

  3004.                     uiTitle += " (GUI)";

  3005.                 }

  3006. 

  3007.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  3008.             }

  3009.         }

  3010.        #endif

  3011. 

  3012.         // ---------------------------------------------------------------

  3013.         // set options

  3014. 

  3015.         pData->options = 0x0;

  3016. 

  3017.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3018.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3019.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3020.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3021. 

  3022.         /**/ if (opts.forceStereo)

  3023.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3024.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3025.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3026. 

  3027.         if (fDssiDescriptor != nullptr)

  3028.         {

  3029.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3030.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3031.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3032. 

  3033.             if (fUsesCustomData)

  3034.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3035.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3036. 

  3037.             if (fDssiDescriptor->run_synth != nullptr)

  3038.             {

  3039.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3040.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3041.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3042.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3043.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3044.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3045.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3046.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3047.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3048.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3049.                 if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  3050.                     pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  3051.             }

  3052.         }

  3053. 

  3054.         return true;

  3055.     }

  3056. 

  3057.     // -------------------------------------------------------------------

  3058. 

  3059. private:

  3060.     LinkedList<LADSPA_Handle>    fHandles;

  3061.     const LADSPA_Descriptor*     fDescriptor;

  3062.     const DSSI_Descriptor*       fDssiDescriptor;

  3063.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3064. 

  3065.     float** fAudioInBuffers;

  3066.     float** fAudioOutBuffers;

  3067.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3068.     float*  fParamBuffers;

  3069. 

  3070.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3071. 

  3072.     int32_t fLatencyIndex; // -1 if invalid

  3073.     bool    fForcedStereoIn;

  3074.     bool    fForcedStereoOut;

  3075.     bool    fNeedsFixedBuffers;

  3076.     bool    fUsesCustomData;

  3077. 

  3078.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  3079.     CarlaOscData      fOscData;

  3080.     CarlaThreadDSSIUI fThreadUI;

  3081.     const char*       fUiFilename;

  3082.    #endif

  3083. 

  3084.     // -------------------------------------------------------------------

  3085. 

  3086.     bool addInstance()

  3087.     {

  3088.         LADSPA_Handle handle;

  3089. 

  3090.         try {

  3091.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3092.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3093. 

  3094.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3095.         {

  3096.             const int32_t rindex(pData->param.data[i].rindex);

  3097.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3098. 

  3099.             try {

  3100.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3101.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3102.         }

  3103. 

  3104.         if (fHandles.append(handle))

  3105.             return true;

  3106. 

  3107.         try {

  3108.             fDescriptor->cleanup(handle);

  3109.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3110. 

  3111.         pData->engine->setLastError("Out of memory");

  3112.         return false;

  3113.     }

  3114. 

  3115.     uint32_t getSafePortCount() const noexcept

  3116.     {

  3117.         if (fDescriptor->PortCount == 0)

  3118.             return 0;

  3119. 

  3120.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3121.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3122.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3123. 

  3124.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3125.     }

  3126. 

  3127.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3128.     {

  3129.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3130.             return true;

  3131.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3132.             return true;

  3133.         return false;

  3134.     }

  3135. 

  3136.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3137.                                                      const bool wantName, const bool useBracket) noexcept

  3138.     {

  3139.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3140. 

  3141.         if (sepBracketStart == nullptr)

  3142.             return false;

  3143. 

  3144.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3145. 

  3146.         if (sepBracketEnd == nullptr)

  3147.             return false;

  3148. 

  3149.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3150. 

  3151.         if (unitSize > 7) // very unlikely to have such big unit

  3152.             return false;

  3153. 

  3154.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3155. 

  3156.         // just in case

  3157.         if (sepIndex > STR_MAX-3)

  3158.             return false;

  3159. 

  3160.         if (wantName)

  3161.         {

  3162.             std::strncpy(strBuf, paramName, sepIndex);

  3163.             strBuf[sepIndex] = '\0';

  3164.         }

  3165.         else

  3166.         {

  3167.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3168.             strBuf[unitSize] = '\0';

  3169.         }

  3170. 

  3171.         return true;

  3172.     }

  3173. 

  3174.     // -------------------------------------------------------------------

  3175. 

  3176.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3177. };

  3178. 

  3179. // -------------------------------------------------------------------------------------------------------------------

  3180. 

  3181. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3182. {

  3183.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3184.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3185. 

  3186.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3187. 

  3188.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3189.         return nullptr;

  3190. 

  3191.     return plugin;

  3192. }

  3193. 

  3194. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3195. {

  3196.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3197.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3198. 

  3199.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3200. 

  3201.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3202.         return nullptr;

  3203. 

  3204.     return plugin;

  3205. }

  3206. 

  3207. // -------------------------------------------------------------------------------------------------------------------

  3208. 

  3209. CARLA_BACKEND_END_NAMESPACE