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Carla
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Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

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

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

  3. 

  4. #include "CarlaPluginInternal.hpp"

  5. #include "CarlaEngineUtils.hpp"

  6. 

  7. #include "CarlaBackendUtils.hpp"

  8. #include "CarlaLadspaUtils.hpp"

  9. #include "CarlaDssiUtils.hpp"

  10. #include "CarlaMathUtils.hpp"

  11. 

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

  13. # define CARLA_ENABLE_DSSI_PLUGIN_GUI

  14. # include "CarlaOscUtils.hpp"

  15. # include "CarlaScopeUtils.hpp"

  16. # include "CarlaThread.hpp"

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

  18. using water::ChildProcess;

  19. #endif

  20. 

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

  22.     /* check argument count */                                                                  \

  23.     if (argc != argcToCompare)                                                                  \

  24.     {                                                                                           \

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

  26.                      __FUNCTION__, argc, argcToCompare);                                        \

  27.         return;                                                                                 \

  28.     }                                                                                           \

  29.     if (argc > 0)                                                                               \

  30.     {                                                                                           \

  31.         /* check for nullness */                                                                \

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

  33.         {                                                                                       \

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

  35.                          __FUNCTION__);                                                         \

  36.             return;                                                                             \

  37.         }                                                                                       \

  38.         /* check argument types */                                                              \

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

  40.         {                                                                                       \

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

  42.                          __FUNCTION__, types, typesToCompare);                                  \

  43.             return;                                                                             \

  44.         }                                                                                       \

  45.     }

  46. 

  47. CARLA_BACKEND_START_NAMESPACE

  48. 

  49. #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  50. // -------------------------------------------------------------------

  51. // Fallback data

  52. 

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

  54. 

  55. // -------------------------------------------------------------------

  56. 

  57. class CarlaThreadDSSIUI : public CarlaThread

  58. {

  59. public:

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

  61.         : CarlaThread("CarlaThreadDSSIUI"),

  62.           kEngine(engine),

  63.           kPlugin(plugin),

  64.           fBinary(),

  65.           fLabel(),

  66.           fUiTitle(),

  67.           fOscData(oscData),

  68.           fProcess() {}

  69. 

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

  71.     {

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

  73.         CARLA_SAFE_ASSERT_RETURN(label != nullptr,);

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

  75.         CARLA_SAFE_ASSERT(! isThreadRunning());

  76. 

  77.         fBinary  = binary;

  78.         fLabel   = label;

  79.         fUiTitle = uiTitle;

  80. 

  81.         if (fLabel.isEmpty())

  82.             fLabel = "\"\"";

  83.     }

  84. 

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

  86.     {

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

  88. 

  89.         fUiTitle = uiTitle;

  90.     }

  91. 

  92.     uintptr_t getProcessId() const noexcept

  93.     {

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

  95. 

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

  97.     }

  98. 

  99.     void run()

  100.     {

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

  102. 

  103.         if (fProcess == nullptr)

  104.         {

  105.             fProcess = new ChildProcess();

  106.         }

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

  108.         {

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

  110. 

  111.             fProcess->kill();

  112.             fProcess = nullptr;

  113.             kEngine->callback(true, true,

  114.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  115.                               kPlugin->getId(),

  116.                               0,

  117.                               0, 0, 0.0f, nullptr);

  118.             return;

  119.         }

  120. 

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

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

  123. 

  124.         if (name.isEmpty())

  125.             name = "(none)";

  126. 

  127.         if (filename.isEmpty())

  128.             filename = "\"\"";

  129. 

  130.         water::StringArray arguments;

  131. 

  132.         // binary

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

  134. 

  135.         // osc-url

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

  137. 

  138.         // filename

  139.         arguments.add(filename);

  140. 

  141.         // label

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

  143. 

  144.         // ui-title

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

  146. 

  147.         bool started;

  148. 

  149.         {

  150. #ifdef CARLA_OS_LINUX

  151.             /*

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

  153.              * If not, unset LD_PRELOAD.

  154.              */

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

  156. 

  157.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  158.             char winIdStr[STR_MAX+1];

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

  160. 

  161.             // for LD_PRELOAD

  162.             CarlaString ldPreloadValue;

  163. 

  164.             if (winId != 0)

  165.             {

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

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

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

  169.             }

  170.             else

  171.             {

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

  173.             }

  174. 

  175.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  178. #endif // CARLA_OS_LINUX

  179. 

  180.             // start the DSSI UI application

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

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

  183.         }

  184. 

  185.         if (! started)

  186.         {

  187.             carla_stdout("failed!");

  188.             fProcess = nullptr;

  189.             return;

  190.         }

  191. 

  192.         if (waitForOscGuiShow())

  193.         {

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

  195.                 d_msleep(100);

  196. 

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

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

  199.             {

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

  201. 

  202.                 if (fProcess->isRunning())

  203.                 {

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

  205.                     fProcess->kill();

  206.                 }

  207.                 else

  208.                 {

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

  210.                 }

  211.             }

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

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

  214.             else

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

  216.         }

  217.         else

  218.         {

  219.             fProcess->kill();

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

  221.         }

  222. 

  223.         fProcess = nullptr;

  224.         kEngine->callback(true, true,

  225.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  226.                           kPlugin->getId(),

  227.                           0,

  228.                           0, 0, 0.0f, nullptr);

  229. 

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

  231.     }

  232. 

  233. private:

  234.     CarlaEngine* const kEngine;

  235.     CarlaPlugin* const kPlugin;

  236. 

  237.     CarlaString fBinary;

  238.     CarlaString fLabel;

  239.     CarlaString fUiTitle;

  240. 

  241.     const CarlaOscData& fOscData;

  242.     CarlaScopedPointer<ChildProcess> fProcess;

  243. 

  244.     bool waitForOscGuiShow()

  245.     {

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

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

  248. 

  249.         // wait for UI 'update' call

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

  251.         {

  252.             if (fOscData.target != nullptr)

  253.             {

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

  255.                 osc_send_show(fOscData);

  256.                 return true;

  257.             }

  258. 

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

  260.                 d_msleep(100);

  261.             else

  262.                 return false;

  263.         }

  264. 

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

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

  267.         return false;

  268.     }

  269. 

  270.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  271. };

  272. #endif

  273. 

  274. // -----------------------------------------------------

  275. 

  276. class CarlaPluginLADSPADSSI : public CarlaPlugin

  277. {

  278. public:

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

  280.         : CarlaPlugin(engine, id),

  281.           fHandles(),

  282.           fDescriptor(nullptr),

  283.           fDssiDescriptor(nullptr),

  284.           fRdfDescriptor(nullptr),

  285.           fAudioInBuffers(nullptr),

  286.           fAudioOutBuffers(nullptr),

  287.           fExtraStereoBuffer(),

  288.           fParamBuffers(nullptr),

  289.           fLatencyIndex(-1),

  290.           fForcedStereoIn(false),

  291.           fForcedStereoOut(false),

  292.           fNeedsFixedBuffers(false),

  293.           fUsesCustomData(false)

  294.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  295.         , fOscData(),

  296.           fThreadUI(engine, this, fOscData),

  297.           fUiFilename(nullptr)

  298.        #endif

  299.     {

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

  301. 

  302.         carla_zeroPointers(fExtraStereoBuffer, 2);

  303.     }

  304. 

  305.     ~CarlaPluginLADSPADSSI() noexcept override

  306.     {

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

  308. 

  309.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  310.         // close UI

  311.         if (fUiFilename != nullptr)

  312.         {

  313.             showCustomUI(false);

  314. 

  315.             delete[] fUiFilename;

  316.             fUiFilename = nullptr;

  317.         }

  318.        #endif

  319. 

  320.         pData->singleMutex.lock();

  321.         pData->masterMutex.lock();

  322. 

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

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

  325. 

  326.         if (pData->active)

  327.         {

  328.             deactivate();

  329.             pData->active = false;

  330.         }

  331. 

  332.         if (fDescriptor != nullptr)

  333.         {

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

  335.             {

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

  337.                 {

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

  339.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  340. 

  341.                     try {

  342.                         fDescriptor->cleanup(handle);

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

  344.                 }

  345.             }

  346. 

  347.             fHandles.clear();

  348.             fDescriptor = nullptr;

  349.             fDssiDescriptor = nullptr;

  350.         }

  351. 

  352.         if (fRdfDescriptor != nullptr)

  353.         {

  354.             delete fRdfDescriptor;

  355.             fRdfDescriptor = nullptr;

  356.         }

  357. 

  358.         clearBuffers();

  359.     }

  360. 

  361.     // -------------------------------------------------------------------

  362.     // Information (base)

  363. 

  364.     PluginType getType() const noexcept override

  365.     {

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

  367.     }

  368. 

  369.     PluginCategory getCategory() const noexcept override

  370.     {

  371.         if (fRdfDescriptor != nullptr)

  372.         {

  373.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  374. 

  375.             // Specific Types

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

  377.                 return PLUGIN_CATEGORY_DELAY;

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

  379.                 return PLUGIN_CATEGORY_MODULATOR;

  380.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  381.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  383.                 return PLUGIN_CATEGORY_UTILITY;

  384. 

  385.             // Pre-set LADSPA Types

  386.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  387.                 return PLUGIN_CATEGORY_DYNAMICS;

  388.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  389.                 return PLUGIN_CATEGORY_MODULATOR;

  390.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  391.                 return PLUGIN_CATEGORY_EQ;

  392.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  393.                 return PLUGIN_CATEGORY_FILTER;

  394.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  395.                 return PLUGIN_CATEGORY_UTILITY;

  396.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  397.                 return PLUGIN_CATEGORY_OTHER;

  398.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  399.                 return PLUGIN_CATEGORY_DELAY;

  400.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  401.                 return PLUGIN_CATEGORY_SYNTH;

  402.         }

  403. 

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

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

  406.                 return PLUGIN_CATEGORY_SYNTH;

  407. 

  408.         return CarlaPlugin::getCategory();

  409.     }

  410. 

  411.     int64_t getUniqueId() const noexcept override

  412.     {

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

  414. 

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

  416.     }

  417. 

  418.     uint32_t getLatencyInFrames() const noexcept override

  419.     {

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

  421.             return 0;

  422. 

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

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

  425. 

  426.         return static_cast<uint32_t>(latency);

  427.     }

  428. 

  429.     // -------------------------------------------------------------------

  430.     // Information (count)

  431. 

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

  433.     {

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

  435. 

  436.         if (fRdfDescriptor == nullptr)

  437.             return 0;

  438. 

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

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

  441. 

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

  443.             return 0;

  444. 

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

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

  447.     }

  448. 

  449.     // -------------------------------------------------------------------

  450.     // Information (current data)

  451. 

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

  453.     {

  454.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  460. 

  461.         *dataPtr = nullptr;

  462. 

  463.         int ret = 0;

  464.         ulong dataSize = 0;

  465. 

  466.         try {

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

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

  469. 

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

  471.     }

  472. 

  473.     // -------------------------------------------------------------------

  474.     // Information (per-plugin data)

  475. 

  476.     uint getOptionsAvailable() const noexcept override

  477.     {

  478.         uint options = 0x0;

  479. 

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

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

  482.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  483. 

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

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

  486.             pass();

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

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

  489.             options |= PLUGIN_OPTION_FORCE_STEREO;

  490. 

  491.         if (fDssiDescriptor != nullptr)

  492.         {

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

  494.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  495. 

  496.             if (fUsesCustomData)

  497.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  498. 

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

  500.             {

  501.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  502.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  503.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  504.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  505.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  506.                 options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  507.             }

  508.         }

  509. 

  510.         return options;

  511.     }

  512. 

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

  514.     {

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

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

  517. 

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

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

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

  521. 

  522.         // not output, should be fine

  523.         return fParamBuffers[parameterId];

  524.     }

  525. 

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

  527.     {

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

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

  530. 

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

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

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

  534. 

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

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

  537. 

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

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

  540.     }

  541. 

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

  543.     {

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

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

  546. 

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

  548.         return true;

  549.     }

  550. 

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

  552.     {

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

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

  555. 

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

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

  558.         else

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

  560. 

  561.         return true;

  562.     }

  563. 

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

  565.     {

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

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

  568. 

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

  570.         return true;

  571.     }

  572. 

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

  574.     {

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

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

  577. 

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

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

  580.         else

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

  582. 

  583.         return true;

  584.     }

  585. 

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

  587.     {

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

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

  590. 

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

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

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

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

  595. 

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

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

  598. 

  599.         return true;

  600.     }

  601. 

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

  603.     {

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

  605. 

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

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

  608. 

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

  610.         {

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

  612. 

  613.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  614.             {

  615.                 switch (port.Unit)

  616.                 {

  617.                 case LADSPA_RDF_UNIT_DB:

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

  619.                     return true;

  620.                 case LADSPA_RDF_UNIT_COEF:

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

  622.                     return true;

  623.                 case LADSPA_RDF_UNIT_HZ:

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

  625.                     return true;

  626.                 case LADSPA_RDF_UNIT_S:

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

  628.                     return true;

  629.                 case LADSPA_RDF_UNIT_MS:

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

  631.                     return true;

  632.                 case LADSPA_RDF_UNIT_MIN:

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

  634.                     return true;

  635.                 }

  636.             }

  637.         }

  638. 

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

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

  641. 

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

  643.     }

  644. 

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

  646.     {

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

  648. 

  649.         if (fRdfDescriptor == nullptr)

  650.             return false;

  651. 

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

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

  654. 

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

  656.             return false;

  657. 

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

  659. 

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

  661.             return false;

  662. 

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

  664. 

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

  666.         return true;

  667.     }

  668. 

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

  670.     {

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

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

  673. 

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

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

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

  677. 

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

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

  680. 

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

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

  683. 

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

  685.         return true;

  686.     }

  687. 

  688.     // -------------------------------------------------------------------

  689.     // Set data (state)

  690. 

  691.     // nothing

  692. 

  693.     // -------------------------------------------------------------------

  694.     // Set data (internal stuff)

  695. 

  696.     void setId(const uint newId) noexcept override

  697.     {

  698.         CarlaPlugin::setId(newId);

  699. 

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

  701.         // FIXME - must be RT safe

  702.         showCustomUI(false);

  703.     }

  704. 

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

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

  707. 

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

  709.     {

  710.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  712. 

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

  714.         fParamBuffers[parameterId] = fixedValue;

  715. 

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

  717.     }

  718. 

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

  720.     {

  721.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  723. 

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

  725.         fParamBuffers[parameterId] = fixedValue;

  726. 

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

  728.     }

  729. 

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

  731.     {

  732.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  735.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  737. 

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

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

  740. 

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

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

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

  744. 

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

  746.         {

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

  748.             {

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

  750.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  751. 

  752.                 try {

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

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

  755.             }

  756.         }

  757. 

  758.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

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

  760.             osc_send_configure(fOscData, key, value);

  761.        #endif

  762. 

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

  764.         {

  765.             const ScopedSingleProcessLocker spl(this, true);

  766.             reloadPrograms(false);

  767.         }

  768. 

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

  770.     }

  771. 

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

  773.     {

  774.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  776.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  778.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  779.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  780. 

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

  782.         {

  783.             const ScopedSingleProcessLocker spl(this, true);

  784. 

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

  786.             {

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

  788.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  789. 

  790.                 try {

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

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

  793.             }

  794.         }

  795. 

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

  797.     }

  798. 

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

  800.     {

  801.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  805. 

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

  807.         {

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

  809. 

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

  811.         }

  812. 

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

  814.     }

  815. 

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

  817.     {

  818.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  821. 

  822.         setMidiProgramInDSSI(uindex);

  823. 

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

  825.     }

  826. 

  827.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  828.     {

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

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

  831. 

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

  833.         {

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

  835.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  836. 

  837.             try {

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

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

  840.         }

  841.     }

  842. 

  843.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  844.     // -------------------------------------------------------------------

  845.     // Set ui stuff

  846. 

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

  848.     {

  849.         fThreadUI.setUITitle(title);

  850.         CarlaPlugin::setCustomUITitle(title);

  851.     }

  852. 

  853.     void showCustomUI(const bool yesNo) override

  854.     {

  855.         if (yesNo)

  856.         {

  857.             fOscData.clear();

  858.             fThreadUI.startThread();

  859.         }

  860.         else

  861.         {

  862.            #ifndef BUILD_BRIDGE

  863.             pData->transientTryCounter = 0;

  864.            #endif

  865. 

  866.             if (fOscData.target != nullptr)

  867.             {

  868.                 osc_send_hide(fOscData);

  869.                 osc_send_quit(fOscData);

  870.                 fOscData.clear();

  871.             }

  872. 

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

  874.         }

  875.     }

  876.    #endif

  877. 

  878.     // -------------------------------------------------------------------

  879.     // Plugin state

  880. 

  881.     void reload() override

  882.     {

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

  884.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  887. 

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

  889. 

  890.         // Safely disable plugin for reload

  891.         const ScopedDisabler sd(this);

  892. 

  893.         if (pData->active)

  894.             deactivate();

  895. 

  896.         clearBuffers();

  897. 

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

  899.         const uint32_t portCount(getSafePortCount());

  900. 

  901.         uint32_t aIns, aOuts, mIns, params;

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

  903. 

  904.         bool forcedStereoIn, forcedStereoOut;

  905.         forcedStereoIn = forcedStereoOut = false;

  906. 

  907.         bool needsCtrlIn, needsCtrlOut;

  908.         needsCtrlIn = needsCtrlOut = false;

  909. 

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

  911.         {

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

  913. 

  914.             if (LADSPA_IS_PORT_AUDIO(portType))

  915.             {

  916.                 if (LADSPA_IS_PORT_INPUT(portType))

  917.                     aIns += 1;

  918.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  919.                     aOuts += 1;

  920.             }

  921.             else if (LADSPA_IS_PORT_CONTROL(portType))

  922.                 params += 1;

  923.         }

  924. 

  925.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  926.         {

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

  928.             {

  929.                 if (aIns == 1)

  930.                 {

  931.                     aIns = 2;

  932.                     forcedStereoIn = true;

  933.                 }

  934.                 if (aOuts == 1)

  935.                 {

  936.                     aOuts = 2;

  937.                     forcedStereoOut = true;

  938.                 }

  939.             }

  940.         }

  941. 

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

  943.         {

  944.             mIns = 1;

  945.             needsCtrlIn = true;

  946.         }

  947. 

  948.         if (aIns > 0)

  949.         {

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

  951.             fAudioInBuffers = new float*[aIns];

  952. 

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

  954.                 fAudioInBuffers[i] = nullptr;

  955.         }

  956. 

  957.         if (aOuts > 0)

  958.         {

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

  960.             fAudioOutBuffers = new float*[aOuts];

  961.             needsCtrlIn = true;

  962. 

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

  964.                 fAudioOutBuffers[i] = nullptr;

  965.         }

  966. 

  967.         if (params > 0)

  968.         {

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

  970. 

  971.             fParamBuffers = new float[params];

  972.             carla_zeroFloats(fParamBuffers, params);

  973.         }

  974. 

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

  976.         CarlaString portName;

  977. 

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

  979.         {

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

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

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

  983. 

  984.             if (LADSPA_IS_PORT_AUDIO(portType))

  985.             {

  986.                 portName.clear();

  987. 

  988.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  989.                 {

  990.                     portName  = pData->name;

  991.                     portName += ":";

  992.                 }

  993. 

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

  995.                 {

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

  997.                 }

  998.                 else

  999.                 {

  1000.                     if (LADSPA_IS_PORT_INPUT(portType))

  1001.                     {

  1002.                         if (aIns > 1)

  1003.                         {

  1004.                             portName += "audio-in_";

  1005.                             portName += CarlaString(iAudioIn+1);

  1006.                         }

  1007.                         else

  1008.                             portName += "audio-in";

  1009.                     }

  1010.                     else

  1011.                     {

  1012.                         if (aOuts > 1)

  1013.                         {

  1014.                             portName += "audio-out_";

  1015.                             portName += CarlaString(iAudioOut+1);

  1016.                         }

  1017.                         else

  1018.                             portName += "audio-out";

  1019.                     }

  1020.                 }

  1021. 

  1022.                 portName.truncate(portNameSize);

  1023. 

  1024.                 if (LADSPA_IS_PORT_INPUT(portType))

  1025.                 {

  1026.                     const uint32_t j = iAudioIn++;

  1027.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1028.                     pData->audioIn.ports[j].rindex = i;

  1029. 

  1030.                     if (forcedStereoIn)

  1031.                     {

  1032.                         portName += "_2";

  1033.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1034.                         pData->audioIn.ports[1].rindex = i;

  1035.                     }

  1036.                 }

  1037.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1038.                 {

  1039.                     const uint32_t j = iAudioOut++;

  1040.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1041.                     pData->audioOut.ports[j].rindex = i;

  1042. 

  1043.                     if (forcedStereoOut)

  1044.                     {

  1045.                         portName += "_2";

  1046.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1047.                         pData->audioOut.ports[1].rindex = i;

  1048.                     }

  1049.                 }

  1050.                 else

  1051.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1052.             }

  1053.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1054.             {

  1055.                 const uint32_t j = iCtrl++;

  1056.                 pData->param.data[j].index  = static_cast<int32_t>(j);

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

  1058. 

  1059.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1060. 

  1061.                 float min, max, def, step, stepSmall, stepLarge;

  1062. 

  1063.                 // min value

  1064.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1065.                     min = portRangeHints.LowerBound;

  1066.                 else

  1067.                     min = 0.0f;

  1068. 

  1069.                 // max value

  1070.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1071.                     max = portRangeHints.UpperBound;

  1072.                 else

  1073.                     max = 1.0f;

  1074. 

  1075.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1076.                 {

  1077.                     min *= sampleRate;

  1078.                     max *= sampleRate;

  1079.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1080.                 }

  1081. 

  1082.                 if (min >= max)

  1083.                 {

  1084.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1085.                     max = min + 0.1f;

  1086.                 }

  1087. 

  1088.                 // default value

  1089.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1090.                     def = fRdfDescriptor->Ports[i].Default;

  1091.                 else

  1092.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1093. 

  1094.                 if (def < min)

  1095.                     def = min;

  1096.                 else if (def > max)

  1097.                     def = max;

  1098. 

  1099.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1100.                 {

  1101.                     step = max - min;

  1102.                     stepSmall = step;

  1103.                     stepLarge = step;

  1104.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1105.                 }

  1106.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1107.                 {

  1108.                     step = 1.0f;

  1109.                     stepSmall = 1.0f;

  1110.                     stepLarge = 10.0f;

  1111.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1112.                 }

  1113.                 else

  1114.                 {

  1115.                     const float range = max - min;

  1116.                     step = range/100.0f;

  1117.                     stepSmall = range/1000.0f;

  1118.                     stepLarge = range/10.0f;

  1119.                 }

  1120. 

  1121.                 if (LADSPA_IS_PORT_INPUT(portType))

  1122.                 {

  1123.                     pData->param.data[j].type   = PARAMETER_INPUT;

  1124.                     pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

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

  1127.                     needsCtrlIn = true;

  1128. 

  1129.                     // MIDI CC value

  1130.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1131.                     {

  1132.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1133.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1134.                         {

  1135.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1136.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1137.                                 pData->param.data[j].mappedControlIndex = cc;

  1138.                         }

  1139.                     }

  1140.                 }

  1141.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1142.                 {

  1143.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1144. 

  1145.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1146.                     {

  1147.                         min = 0.0f;

  1148.                         max = sampleRate;

  1149.                         def = 0.0f;

  1150.                         step = 1.0f;

  1151.                         stepSmall = 1.0f;

  1152.                         stepLarge = 1.0f;

  1153.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1154.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1155.                     }

  1156.                     else

  1157.                     {

  1158.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

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

  1160.                         needsCtrlOut = true;

  1161.                     }

  1162.                 }

  1163.                 else

  1164.                 {

  1165.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1166.                 }

  1167. 

  1168.                 // extra parameter hints

  1169.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1170.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1171. 

  1172.                 // check for scalepoints, require at least 2 to make it useful

  1173.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

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

  1175. 

  1176.                 pData->param.ranges[j].min = min;

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

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

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

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

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

  1182. 

  1183.                 // Start parameters in their default values

  1184.                 fParamBuffers[j] = def;

  1185. 

  1186.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1187.                 {

  1188.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1189.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1190. 

  1191.                     try {

  1192.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1193.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1194.                 }

  1195.             }

  1196.             else

  1197.             {

  1198.                 // Not Audio or Control

  1199.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1200. 

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

  1202.                 {

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

  1204.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1205. 

  1206.                     try {

  1207.                         fDescriptor->connect_port(handle, i, nullptr);

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

  1209.                 }

  1210.             }

  1211.         }

  1212. 

  1213.         if (needsCtrlIn)

  1214.         {

  1215.             portName.clear();

  1216. 

  1217.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1218.             {

  1219.                 portName  = pData->name;

  1220.                 portName += ":";

  1221.             }

  1222. 

  1223.             portName += "events-in";

  1224.             portName.truncate(portNameSize);

  1225. 

  1226.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1227.            #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1228.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1229.            #endif

  1230.         }

  1231. 

  1232.         if (needsCtrlOut)

  1233.         {

  1234.             portName.clear();

  1235. 

  1236.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1237.             {

  1238.                 portName  = pData->name;

  1239.                 portName += ":";

  1240.             }

  1241. 

  1242.             portName += "events-out";

  1243.             portName.truncate(portNameSize);

  1244. 

  1245.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1246.         }

  1247. 

  1248.         if (forcedStereoIn || forcedStereoOut)

  1249.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1250.         else

  1251.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1252. 

  1253.         // plugin hints

  1254.         pData->hints = 0x0;

  1255. 

  1256.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1257.             pData->hints |= PLUGIN_IS_RTSAFE;

  1258. 

  1259.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  1260.         if (fUiFilename != nullptr)

  1261.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1262.        #endif

  1263. 

  1264.        #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1265.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1266.             pData->hints |= PLUGIN_CAN_DRYWET;

  1267. 

  1268.         if (aOuts > 0)

  1269.             pData->hints |= PLUGIN_CAN_VOLUME;

  1270. 

  1271.         if (aOuts >= 2 && aOuts % 2 == 0)

  1272.             pData->hints |= PLUGIN_CAN_BALANCE;

  1273.        #endif

  1274. 

  1275.         // extra plugin hints

  1276.         pData->extraHints = 0x0;

  1277. 

  1278.         if (mIns > 0)

  1279.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1280. 

  1281.         // check initial latency

  1282.         findInitialLatencyValue(aIns, aOuts);

  1283. 

  1284.         fForcedStereoIn  = forcedStereoIn;

  1285.         fForcedStereoOut = forcedStereoOut;

  1286. 

  1287.         bufferSizeChanged(pData->engine->getBufferSize());

  1288.         reloadPrograms(true);

  1289. 

  1290.         if (pData->active)

  1291.             activate();

  1292. 

  1293.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1294.     }

  1295. 

  1296.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1297.     {

  1298.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1299.             return;

  1300. 

  1301.         // we need to pre-run the plugin so it can update its latency control-port

  1302.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1303.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1304. 

  1305.         float tmpIn[64][2];

  1306.         float tmpOut[64][2];

  1307. 

  1308.         for (uint32_t j=0; j < aIns; ++j)

  1309.         {

  1310.             tmpIn[j][0] = 0.0f;

  1311.             tmpIn[j][1] = 0.0f;

  1312. 

  1313.             try {

  1314.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1315.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1316.         }

  1317. 

  1318.         for (uint32_t j=0; j < aOuts; ++j)

  1319.         {

  1320.             tmpOut[j][0] = 0.0f;

  1321.             tmpOut[j][1] = 0.0f;

  1322. 

  1323.             try {

  1324.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1325.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1326.         }

  1327. 

  1328.         if (fDescriptor->activate != nullptr)

  1329.         {

  1330.             try {

  1331.                 fDescriptor->activate(handle);

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

  1333.         }

  1334. 

  1335.         try {

  1336.             fDescriptor->run(handle, 2);

  1337.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency run");

  1338. 

  1339.         if (fDescriptor->deactivate != nullptr)

  1340.         {

  1341.             try {

  1342.                 fDescriptor->deactivate(handle);

  1343.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1344.         }

  1345. 

  1346.         // done, let's get the value

  1347.         if (const uint32_t latency = getLatencyInFrames())

  1348.         {

  1349.             pData->client->setLatency(latency);

  1350. #ifndef BUILD_BRIDGE

  1351.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1352. #endif

  1353.         }

  1354.     }

  1355. 

  1356.     void reloadPrograms(const bool doInit) override

  1357.     {

  1358.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1359. 

  1360.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1361.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1362. 

  1363.         const uint32_t oldCount = pData->midiprog.count;

  1364.         const int32_t  current  = pData->midiprog.current;

  1365. 

  1366.         // Delete old programs

  1367.         pData->midiprog.clear();

  1368. 

  1369.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1370.         if (fDssiDescriptor == nullptr)

  1371.             return;

  1372. 

  1373.         // Query new programs

  1374.         uint32_t newCount = 0;

  1375.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1376.         {

  1377.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1378.                 ++newCount;

  1379.         }

  1380. 

  1381.         if (newCount > 0)

  1382.         {

  1383.             pData->midiprog.createNew(newCount);

  1384. 

  1385.             // Update data

  1386.             for (uint32_t i=0; i < newCount; ++i)

  1387.             {

  1388.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1389.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1390.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1391. 

  1392.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

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

  1394.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1395.             }

  1396.         }

  1397. 

  1398.         if (doInit)

  1399.         {

  1400.             if (newCount > 0)

  1401.                 setMidiProgram(0, false, false, false, true);

  1402.         }

  1403.         else

  1404.         {

  1405.             // Check if current program is invalid

  1406.             bool programChanged = false;

  1407. 

  1408.             if (newCount == oldCount+1)

  1409.             {

  1410.                 // one midi program added, probably created by user

  1411.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1412.                 programChanged = true;

  1413.             }

  1414.             else if (current < 0 && newCount > 0)

  1415.             {

  1416.                 // programs exist now, but not before

  1417.                 pData->midiprog.current = 0;

  1418.                 programChanged = true;

  1419.             }

  1420.             else if (current >= 0 && newCount == 0)

  1421.             {

  1422.                 // programs existed before, but not anymore

  1423.                 pData->midiprog.current = -1;

  1424.                 programChanged = true;

  1425.             }

  1426.             else if (current >= static_cast<int32_t>(newCount))

  1427.             {

  1428.                 // current midi program > count

  1429.                 pData->midiprog.current = 0;

  1430.                 programChanged = true;

  1431.             }

  1432.             else

  1433.             {

  1434.                 // no change

  1435.                 pData->midiprog.current = current;

  1436.             }

  1437. 

  1438.             if (programChanged)

  1439.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1440. 

  1441.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1442.         }

  1443.     }

  1444. 

  1445.     // -------------------------------------------------------------------

  1446.     // Plugin processing

  1447. 

  1448.     void activate() noexcept override

  1449.     {

  1450.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1451. 

  1452.         if (fDescriptor->activate != nullptr)

  1453.         {

  1454.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1455.             {

  1456.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1457.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1458. 

  1459.                 try {

  1460.                     fDescriptor->activate(handle);

  1461.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1462.             }

  1463.         }

  1464.     }

  1465. 

  1466.     void deactivate() noexcept override

  1467.     {

  1468.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1469. 

  1470.         if (fDescriptor->deactivate != nullptr)

  1471.         {

  1472.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1473.             {

  1474.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1475.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1476. 

  1477.                 try {

  1478.                     fDescriptor->deactivate(handle);

  1479.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1480.             }

  1481.         }

  1482.     }

  1483. 

  1484.     void process(const float* const* const audioIn, float** const audioOut,

  1485.                  const float* const* const cvIn, float**,

  1486.                  const uint32_t frames) override

  1487.     {

  1488.         // --------------------------------------------------------------------------------------------------------

  1489.         // Check if active

  1490. 

  1491.         if (! pData->active)

  1492.         {

  1493.             // disable any output sound

  1494.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1495.                 carla_zeroFloats(audioOut[i], frames);

  1496.             return;

  1497.         }

  1498. 

  1499.         ulong midiEventCount = 0;

  1500.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1501. 

  1502.         // --------------------------------------------------------------------------------------------------------

  1503.         // Check if needs reset

  1504. 

  1505.         if (pData->needsReset)

  1506.         {

  1507.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1508.             {

  1509.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1510. 

  1511.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1512.                 {

  1513.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1514.                     fMidiEvents[i].data.control.channel = i;

  1515.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1516. 

  1517.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1518.                     fMidiEvents[k+i].data.control.channel = i;

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

  1520.                 }

  1521.             }

  1522.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1523.             {

  1524.                 midiEventCount = MAX_MIDI_NOTE;

  1525. 

  1526.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1527.                 {

  1528.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1529.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1530.                     fMidiEvents[i].data.note.note    = i;

  1531.                 }

  1532.             }

  1533. 

  1534.             pData->needsReset = false;

  1535.         }

  1536. 

  1537.         // --------------------------------------------------------------------------------------------------------

  1538.         // Event Input and Processing

  1539. 

  1540.         if (pData->event.portIn != nullptr)

  1541.         {

  1542.             // ----------------------------------------------------------------------------------------------------

  1543.             // MIDI Input (External)

  1544. 

  1545.             if (pData->extNotes.mutex.tryLock())

  1546.             {

  1547.                 ExternalMidiNote note = { 0, 0, 0 };

  1548. 

  1549.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1550.                 {

  1551.                     note = pData->extNotes.data.getFirst(note, true);

  1552.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1553. 

  1554.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1555.                     carla_zeroStruct(seqEvent);

  1556. 

  1557.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1558.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1559.                     seqEvent.data.note.note     = note.note;

  1560.                     seqEvent.data.note.velocity = note.velo;

  1561.                 }

  1562. 

  1563.                 pData->extNotes.mutex.unlock();

  1564. 

  1565.             } // End of MIDI Input (External)

  1566. 

  1567.             // ----------------------------------------------------------------------------------------------------

  1568.             // Event Input (System)

  1569. 

  1570. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1571.             bool allNotesOffSent = false;

  1572. #endif

  1573.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1574. 

  1575.             uint32_t startTime  = 0;

  1576.             uint32_t timeOffset = 0;

  1577.             uint32_t nextBankId;

  1578. 

  1579.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1580.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1581.             else

  1582.                 nextBankId = 0;

  1583. 

  1584. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1585.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1586.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1587. #endif

  1588. 

  1589.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1590.             {

  1591.                 EngineEvent& event(pData->event.portIn->getEvent(i));

  1592. 

  1593.                 uint32_t eventTime = event.time;

  1594.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1595. 

  1596.                 if (eventTime < timeOffset)

  1597.                 {

  1598.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1599.                                   eventTime, timeOffset, pData->name);

  1600.                     eventTime = timeOffset;

  1601.                 }

  1602. 

  1603.                 if (isSampleAccurate && eventTime > timeOffset)

  1604.                 {

  1605.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1606.                     {

  1607.                         startTime  = 0;

  1608.                         timeOffset = eventTime;

  1609.                         midiEventCount = 0;

  1610. 

  1611.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1612.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1613.                         else

  1614.                             nextBankId = 0;

  1615.                     }

  1616.                     else

  1617.                         startTime += timeOffset;

  1618.                 }

  1619. 

  1620.                 switch (event.type)

  1621.                 {

  1622.                 case kEngineEventTypeNull:

  1623.                     break;

  1624. 

  1625.                 case kEngineEventTypeControl: {

  1626.                     EngineControlEvent& ctrlEvent(event.ctrl);

  1627. 

  1628.                     switch (ctrlEvent.type)

  1629.                     {

  1630.                     case kEngineControlEventTypeNull:

  1631.                         break;

  1632. 

  1633.                     case kEngineControlEventTypeParameter: {

  1634.                         float value;

  1635. 

  1636. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1637.                         // non-midi

  1638.                         if (event.channel == kEngineEventNonMidiChannel)

  1639.                         {

  1640.                             const uint32_t k = ctrlEvent.param;

  1641.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1642. 

  1643.                             ctrlEvent.handled = true;

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

  1645.                             setParameterValueRT(k, value, event.time, true);

  1646.                             continue;

  1647.                         }

  1648. 

  1649.                         // Control backend stuff

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

  1651.                         {

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

  1653.                             {

  1654.                                 ctrlEvent.handled = true;

  1655.                                 value = ctrlEvent.normalizedValue;

  1656.                                 setDryWetRT(value, true);

  1657.                             }

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

  1659.                             {

  1660.                                 ctrlEvent.handled = true;

  1661.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1662.                                 setVolumeRT(value, true);

  1663.                             }

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

  1665.                             {

  1666.                                 float left, right;

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

  1668. 

  1669.                                 if (value < 0.0f)

  1670.                                 {

  1671.                                     left  = -1.0f;

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

  1673.                                 }

  1674.                                 else if (value > 0.0f)

  1675.                                 {

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

  1677.                                     right = 1.0f;

  1678.                                 }

  1679.                                 else

  1680.                                 {

  1681.                                     left  = -1.0f;

  1682.                                     right = 1.0f;

  1683.                                 }

  1684. 

  1685.                                 ctrlEvent.handled = true;

  1686.                                 setBalanceLeftRT(left, true);

  1687.                                 setBalanceRightRT(right, true);

  1688.                             }

  1689.                         }

  1690. #endif

  1691.                         // Control plugin parameters

  1692.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1693.                         {

  1694.                             if (pData->param.data[k].midiChannel != event.channel)

  1695.                                 continue;

  1696.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1697.                                 continue;

  1698.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1699.                                 continue;

  1700.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMATABLE) == 0)

  1701.                                 continue;

  1702. 

  1703.                             ctrlEvent.handled = true;

  1704.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1705.                             setParameterValueRT(k, value, event.time, true);

  1706.                         }

  1707. 

  1708.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1709.                         {

  1710.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1711.                                 continue;

  1712. 

  1713.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1714.                             carla_zeroStruct(seqEvent);

  1715. 

  1716.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1717. 

  1718.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1719.                             seqEvent.data.control.channel = event.channel;

  1720.                             seqEvent.data.control.param   = ctrlEvent.param;

  1721.                             seqEvent.data.control.value   = int8_t(ctrlEvent.normalizedValue*127.0f + 0.5f);

  1722.                         }

  1723. 

  1724. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1725.                         if (! ctrlEvent.handled)

  1726.                             checkForMidiLearn(event);

  1727. #endif

  1728.                         break;

  1729.                     } // case kEngineControlEventTypeParameter

  1730. 

  1731.                     case kEngineControlEventTypeMidiBank:

  1732.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1733.                             nextBankId = ctrlEvent.param;

  1734.                         break;

  1735. 

  1736.                     case kEngineControlEventTypeMidiProgram:

  1737.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1738.                         {

  1739.                             const uint32_t nextProgramId = ctrlEvent.param;

  1740. 

  1741.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1742.                             {

  1743.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1744.                                 {

  1745.                                     setMidiProgramRT(k, true);

  1746.                                     break;

  1747.                                 }

  1748.                             }

  1749.                         }

  1750.                         break;

  1751. 

  1752.                     case kEngineControlEventTypeAllSoundOff:

  1753.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1754.                         {

  1755.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1756.                                 continue;

  1757. 

  1758.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1759.                             carla_zeroStruct(seqEvent);

  1760. 

  1761.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1762. 

  1763.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1764.                             seqEvent.data.control.channel = event.channel;

  1765.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1766.                         }

  1767.                         break;

  1768. 

  1769.                     case kEngineControlEventTypeAllNotesOff:

  1770.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1771.                         {

  1772. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1773.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1774.                             {

  1775.                                 allNotesOffSent = true;

  1776.                                 postponeRtAllNotesOff();

  1777.                             }

  1778. #endif

  1779. 

  1780.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1781.                                 continue;

  1782. 

  1783.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1784.                             carla_zeroStruct(seqEvent);

  1785. 

  1786.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1787. 

  1788.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1789.                             seqEvent.data.control.channel = event.channel;

  1790.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1791.                         }

  1792.                         break;

  1793.                     } // switch (ctrlEvent.type)

  1794.                     break;

  1795.                 } // case kEngineEventTypeControl

  1796. 

  1797.                 case kEngineEventTypeMidi: {

  1798.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1799.                         continue;

  1800. 

  1801.                     const EngineMidiEvent& midiEvent(event.midi);

  1802. 

  1803.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1804.                         continue;

  1805. 

  1806.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1807. 

  1808.                     // Fix bad note-off (per DSSI spec)

  1809.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1810.                         status = MIDI_STATUS_NOTE_OFF;

  1811. 

  1812.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1813.                     carla_zeroStruct(seqEvent);

  1814. 

  1815.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1816. 

  1817.                     switch (status)

  1818.                     {

  1819.                     case MIDI_STATUS_NOTE_OFF:

  1820.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1821.                         {

  1822.                             const uint8_t note = midiEvent.data[1];

  1823. 

  1824.                             seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1827. 

  1828.                             pData->postponeNoteOffRtEvent(true, event.channel, note);

  1829.                         }

  1830.                         break;

  1831. 

  1832.                     case MIDI_STATUS_NOTE_ON:

  1833.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1834.                         {

  1835.                             const uint8_t note = midiEvent.data[1];

  1836.                             const uint8_t velo = midiEvent.data[2];

  1837. 

  1838.                             seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1839.                             seqEvent.data.note.channel  = event.channel;

  1840.                             seqEvent.data.note.note     = note;

  1841.                             seqEvent.data.note.velocity = velo;

  1842. 

  1843.                             pData->postponeNoteOnRtEvent(true, event.channel, note, velo);

  1844.                         }

  1845.                         break;

  1846. 

  1847.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1848.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1849.                         {

  1850.                             const uint8_t note     = midiEvent.data[1];

  1851.                             const uint8_t pressure = midiEvent.data[2];

  1852. 

  1853.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1854.                             seqEvent.data.note.channel  = event.channel;

  1855.                             seqEvent.data.note.note     = note;

  1856.                             seqEvent.data.note.velocity = pressure;

  1857.                         }

  1858.                         break;

  1859. 

  1860.                     case MIDI_STATUS_CONTROL_CHANGE:

  1861.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1862.                         {

  1863.                             const uint8_t control = midiEvent.data[1];

  1864.                             const uint8_t value   = midiEvent.data[2];

  1865. 

  1866.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1867.                             seqEvent.data.control.channel = event.channel;

  1868.                             seqEvent.data.control.param   = control;

  1869.                             seqEvent.data.control.value   = value;

  1870.                         }

  1871.                         break;

  1872. 

  1873.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1874.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1875.                         {

  1876.                             const uint8_t pressure = midiEvent.data[1];

  1877. 

  1878.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

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

  1881.                         }

  1882.                         break;

  1883. 

  1884.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1885.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1886.                         {

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

  1888.                             const uint8_t msb = midiEvent.data[2];

  1889. 

  1890.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

  1892.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1893.                         }

  1894.                         break;

  1895. 

  1896.                     default:

  1897.                         --midiEventCount;

  1898.                         break;

  1899.                     } // switch (status)

  1900.                 } break;

  1901.                 } // switch (event.type)

  1902.             }

  1903. 

  1904.             pData->postRtEvents.trySplice();

  1905. 

  1906.             if (frames > timeOffset)

  1907.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1908. 

  1909.         } // End of Event Input and Processing

  1910. 

  1911.         // --------------------------------------------------------------------------------------------------------

  1912.         // Plugin processing (no events)

  1913. 

  1914.         else

  1915.         {

  1916.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1917. 

  1918.         } // End of Plugin processing (no events)

  1919. 

  1920.         // --------------------------------------------------------------------------------------------------------

  1921.         // Control Output

  1922. 

  1923.         if (pData->event.portOut != nullptr)

  1924.         {

  1925.             uint8_t  channel;

  1926.             uint16_t param;

  1927.             float    value;

  1928. 

  1929.             for (uint32_t k=0; k < pData->param.count; ++k)

  1930.             {

  1931.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1932.                     continue;

  1933. 

  1934.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1935. 

  1936.                 if (pData->param.data[k].mappedControlIndex > 0)

  1937.                 {

  1938.                     channel = pData->param.data[k].midiChannel;

  1939.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1940.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1941.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter,

  1942.                                                             param, -1, value);

  1943.                 }

  1944.             }

  1945.         } // End of Control Output

  1946. 

  1947. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1948.         return;

  1949. 

  1950.         // unused

  1951.         (void)cvIn;

  1952. #endif

  1953.     }

  1954. 

  1955.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1956.                        const uint32_t timeOffset, const ulong midiEventCount)

  1957.     {

  1958.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1959. 

  1960.         if (pData->audioIn.count > 0)

  1961.         {

  1962.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1963.         }

  1964.         if (pData->audioOut.count > 0)

  1965.         {

  1966.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1967.         }

  1968. 

  1969.         // --------------------------------------------------------------------------------------------------------

  1970.         // Try lock, silence otherwise

  1971. 

  1972. #ifndef STOAT_TEST_BUILD

  1973.         if (pData->engine->isOffline())

  1974.         {

  1975.             pData->singleMutex.lock();

  1976.         }

  1977.         else

  1978. #endif

  1979.         if (! pData->singleMutex.tryLock())

  1980.         {

  1981.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1982.             {

  1983.                 for (uint32_t k=0; k < frames; ++k)

  1984.                     audioOut[i][k+timeOffset] = 0.0f;

  1985.             }

  1986. 

  1987.             return false;

  1988.         }

  1989. 

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

  1991.         // Set audio buffers

  1992. 

  1993.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

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

  1995. 

  1996.         if (! customMonoOut)

  1997.         {

  1998.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1999.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  2000.         }

  2001. 

  2002.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2003.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2004. 

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

  2006.         // Run plugin

  2007. 

  2008.         uint instn = 0;

  2009.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2010.         {

  2011.             LADSPA_Handle const handle(it.getValue(nullptr));

  2012.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2013. 

  2014.             // ----------------------------------------------------------------------------------------------------

  2015.             // Mixdown for forced stereo

  2016. 

  2017.             if (customMonoOut)

  2018.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2019. 

  2020.             // ----------------------------------------------------------------------------------------------------

  2021.             // Run it

  2022. 

  2023.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2024.             {

  2025.                 try {

  2026.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2027.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2028.             }

  2029.             else

  2030.             {

  2031.                 try {

  2032.                     fDescriptor->run(handle, frames);

  2033.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2034.             }

  2035. 

  2036.             // ----------------------------------------------------------------------------------------------------

  2037.             // Mixdown for forced stereo

  2038. 

  2039.             if (customMonoOut)

  2040.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2041.             else if (customStereoOut)

  2042.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  2043.         }

  2044. 

  2045.         if (customStereoOut)

  2046.         {

  2047.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2048.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2049.         }

  2050. 

  2051. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2052.         // --------------------------------------------------------------------------------------------------------

  2053.         // Post-processing (dry/wet, volume and balance)

  2054. 

  2055.         {

  2056.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2057.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2058.             const bool isMono    = (pData->audioIn.count == 1);

  2059. 

  2060.             bool isPair;

  2061.             float bufValue;

  2062.             float* const oldBufLeft = pData->postProc.extraBuffer;

  2063. 

  2064.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2065.             {

  2066.                 // Dry/Wet

  2067.                 if (doDryWet)

  2068.                 {

  2069.                     const uint32_t c = isMono ? 0 : i;

  2070. 

  2071.                     for (uint32_t k=0; k < frames; ++k)

  2072.                     {

  2073. # ifndef BUILD_BRIDGE

  2074.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  2075.                             bufValue = pData->latency.buffers[c][k];

  2076.                         else if (pData->latency.frames < frames)

  2077.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2078.                         else

  2079. # endif

  2080.                             bufValue = fAudioInBuffers[c][k];

  2081. 

  2082.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2083.                     }

  2084.                 }

  2085. 

  2086.                 // Balance

  2087.                 if (doBalance)

  2088.                 {

  2089.                     isPair = (i % 2 == 0);

  2090. 

  2091.                     if (isPair)

  2092.                     {

  2093.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2094.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2095.                     }

  2096. 

  2097.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

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

  2099. 

  2100.                     for (uint32_t k=0; k < frames; ++k)

  2101.                     {

  2102.                         if (isPair)

  2103.                         {

  2104.                             // left

  2105.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2106.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2107.                         }

  2108.                         else

  2109.                         {

  2110.                             // right

  2111.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2112.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2113.                         }

  2114.                     }

  2115.                 }

  2116. 

  2117.                 // Volume (and buffer copy)

  2118.                 {

  2119.                     for (uint32_t k=0; k < frames; ++k)

  2120.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2121.                 }

  2122.             }

  2123. 

  2124.         } // End of Post-processing

  2125. 

  2126. # ifndef BUILD_BRIDGE

  2127.         // --------------------------------------------------------------------------------------------------------

  2128.         // Save latency values for next callback

  2129. 

  2130.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2131.         {

  2132.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2133.             const uint32_t latframes = pData->latency.frames;

  2134. 

  2135.             if (latframes <= frames)

  2136.             {

  2137.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2138.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2139.             }

  2140.             else

  2141.             {

  2142.                 const uint32_t diff = latframes - frames;

  2143. 

  2144.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2145.                 {

  2146.                     // push back buffer by 'frames'

  2147.                     for (k=0; k < diff; ++k)

  2148.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2149. 

  2150.                     // put current input at the end

  2151.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2152.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2153.                 }

  2154.             }

  2155.         }

  2156. # endif

  2157. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2158.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2159.         {

  2160.             for (uint32_t k=0; k < frames; ++k)

  2161.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2162.         }

  2163. #endif

  2164. 

  2165.         // --------------------------------------------------------------------------------------------------------

  2166. 

  2167.         pData->singleMutex.unlock();

  2168.         return true;

  2169.     }

  2170. 

  2171.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2172.     {

  2173.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2174.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2175. 

  2176.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2177.         {

  2178.             if (fAudioInBuffers[i] != nullptr)

  2179.                 delete[] fAudioInBuffers[i];

  2180. 

  2181.             fAudioInBuffers[i] = new float[newBufferSize];

  2182.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2183.         }

  2184. 

  2185.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2186.         {

  2187.             if (fAudioOutBuffers[i] != nullptr)

  2188.                 delete[] fAudioOutBuffers[i];

  2189. 

  2190.             fAudioOutBuffers[i] = new float[newBufferSize];

  2191.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2192.         }

  2193. 

  2194.         if (fExtraStereoBuffer[0] != nullptr)

  2195.         {

  2196.             delete[] fExtraStereoBuffer[0];

  2197.             fExtraStereoBuffer[0] = nullptr;

  2198.         }

  2199. 

  2200.         if (fExtraStereoBuffer[1] != nullptr)

  2201.         {

  2202.             delete[] fExtraStereoBuffer[1];

  2203.             fExtraStereoBuffer[1] = nullptr;

  2204.         }

  2205. 

  2206.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2207.         {

  2208.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2209.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2210.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2211.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2212.         }

  2213. 

  2214.         reconnectAudioPorts();

  2215. 

  2216.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2217. 

  2218.         CarlaPlugin::bufferSizeChanged(newBufferSize);

  2219.     }

  2220. 

  2221.     void sampleRateChanged(const double newSampleRate) override

  2222.     {

  2223.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2224.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2225. 

  2226.         // TODO - handle UI stuff

  2227. 

  2228.         if (pData->active)

  2229.             deactivate();

  2230. 

  2231.         const std::size_t instanceCount(fHandles.count());

  2232. 

  2233.         if (fDescriptor->cleanup != nullptr)

  2234.         {

  2235.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2236.             {

  2237.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2238.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2239. 

  2240.                 try {

  2241.                     fDescriptor->cleanup(handle);

  2242.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2243.             }

  2244.         }

  2245. 

  2246.         fHandles.clear();

  2247. 

  2248.         for (std::size_t i=0; i<instanceCount; ++i)

  2249.             addInstance();

  2250. 

  2251.         reconnectAudioPorts();

  2252. 

  2253.         if (pData->active)

  2254.             activate();

  2255. 

  2256.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2257.     }

  2258. 

  2259.     void reconnectAudioPorts() const noexcept

  2260.     {

  2261.         if (fForcedStereoIn)

  2262.         {

  2263.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2264.             {

  2265.                 try {

  2266.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2267.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2268.             }

  2269. 

  2270.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2271.             {

  2272.                 try {

  2273.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2274.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2275.             }

  2276.         }

  2277.         else

  2278.         {

  2279.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2280.             {

  2281.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2282.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2283. 

  2284.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2285.                 {

  2286.                     try {

  2287.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2288.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2289.                 }

  2290.             }

  2291.         }

  2292. 

  2293.         if (fForcedStereoOut)

  2294.         {

  2295.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2296.             {

  2297.                 try {

  2298.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2299.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2300.             }

  2301. 

  2302.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2303.             {

  2304.                 try {

  2305.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2306.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2307.             }

  2308.         }

  2309.         else

  2310.         {

  2311.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2312.             {

  2313.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2314.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2315. 

  2316.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2317.                 {

  2318.                     try {

  2319.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2320.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2321.                 }

  2322.             }

  2323.         }

  2324.     }

  2325. 

  2326.     // -------------------------------------------------------------------

  2327.     // Plugin buffers

  2328. 

  2329.     void clearBuffers() noexcept override

  2330.     {

  2331.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2332. 

  2333.         if (fAudioInBuffers != nullptr)

  2334.         {

  2335.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2336.             {

  2337.                 if (fAudioInBuffers[i] != nullptr)

  2338.                 {

  2339.                     delete[] fAudioInBuffers[i];

  2340.                     fAudioInBuffers[i] = nullptr;

  2341.                 }

  2342.             }

  2343. 

  2344.             delete[] fAudioInBuffers;

  2345.             fAudioInBuffers = nullptr;

  2346.         }

  2347. 

  2348.         if (fAudioOutBuffers != nullptr)

  2349.         {

  2350.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2351.             {

  2352.                 if (fAudioOutBuffers[i] != nullptr)

  2353.                 {

  2354.                     delete[] fAudioOutBuffers[i];

  2355.                     fAudioOutBuffers[i] = nullptr;

  2356.                 }

  2357.             }

  2358. 

  2359.             delete[] fAudioOutBuffers;

  2360.             fAudioOutBuffers = nullptr;

  2361.         }

  2362. 

  2363.         if (fExtraStereoBuffer[0] != nullptr)

  2364.         {

  2365.             delete[] fExtraStereoBuffer[0];

  2366.             fExtraStereoBuffer[0] = nullptr;

  2367.         }

  2368. 

  2369.         if (fExtraStereoBuffer[1] != nullptr)

  2370.         {

  2371.             delete[] fExtraStereoBuffer[1];

  2372.             fExtraStereoBuffer[1] = nullptr;

  2373.         }

  2374. 

  2375.         if (fParamBuffers != nullptr)

  2376.         {

  2377.             delete[] fParamBuffers;

  2378.             fParamBuffers = nullptr;

  2379.         }

  2380. 

  2381.         CarlaPlugin::clearBuffers();

  2382. 

  2383.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2384.     }

  2385. 

  2386.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2387.     // -------------------------------------------------------------------

  2388.     // OSC stuff

  2389. 

  2390.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, void* const msg) override

  2391.     {

  2392.         const lo_address source = lo_message_get_source(static_cast<lo_message>(msg));

  2393.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2394. 

  2395.         // protocol for DSSI UIs *must* be UDP

  2396.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2397. 

  2398.         if (fOscData.source == nullptr)

  2399.         {

  2400.             // if no UI is registered yet only "configure" and "update" messages are valid

  2401.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2402.         }

  2403.         else

  2404.         {

  2405.             // make sure message source is the DSSI UI

  2406.             const char* const msghost = lo_address_get_hostname(source);

  2407.             const char* const msgport = lo_address_get_port(source);

  2408. 

  2409.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2410.             const char* const ourport = lo_address_get_port(fOscData.source);

  2411. 

  2412.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2413.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2414.         }

  2415. 

  2416.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2417. 

  2418.         if (std::strcmp(method, "configure") == 0)

  2419.             return handleOscMessageConfigure(argc, argv, types);

  2420.         if (std::strcmp(method, "control") == 0)

  2421.             return handleOscMessageControl(argc, argv, types);

  2422.         if (std::strcmp(method, "program") == 0)

  2423.             return handleOscMessageProgram(argc, argv, types);

  2424.         if (std::strcmp(method, "midi") == 0)

  2425.             return handleOscMessageMIDI(argc, argv, types);

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

  2427.             return handleOscMessageUpdate(argc, argv, types, source);

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

  2429.             return handleOscMessageExiting();

  2430. 

  2431.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2432.     }

  2433. 

  2434.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2435.     {

  2436.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2437.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2438. 

  2439.         const char* const key   = (const char*)&argv[0]->s;

  2440.         const char* const value = (const char*)&argv[1]->s;

  2441. 

  2442.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2443.     }

  2444. 

  2445.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2446.     {

  2447.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2448.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2449. 

  2450.         const int32_t rindex = argv[0]->i;

  2451.         const float   value  = argv[1]->f;

  2452. 

  2453.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2454.     }

  2455. 

  2456.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2457.     {

  2458.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2459.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2460. 

  2461.         const int32_t bank    = argv[0]->i;

  2462.         const int32_t program = argv[1]->i;

  2463. 

  2464.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2465.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2466. 

  2467.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2468.     }

  2469. 

  2470.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2471.     {

  2472.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2473.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2474. 

  2475.         if (getMidiInCount() == 0)

  2476.         {

  2477.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2478.             return;

  2479.         }

  2480. 

  2481.         const uint8_t* const data = argv[0]->m;

  2482.         uint8_t status  = data[1];

  2483.         uint8_t channel = status & 0x0F;

  2484. 

  2485.         // Fix bad note-off

  2486.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2487.             status = MIDI_STATUS_NOTE_OFF;

  2488. 

  2489.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2490.         {

  2491.             const uint8_t note = data[2];

  2492. 

  2493.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2494. 

  2495.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2496.         }

  2497.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2498.         {

  2499.             const uint8_t note = data[2];

  2500.             const uint8_t velo = data[3];

  2501. 

  2502.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2503.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2504. 

  2505.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2506.         }

  2507.     }

  2508. 

  2509.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2510.     {

  2511.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2512.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2513. 

  2514.         const char* const url = (const char*)&argv[0]->s;

  2515. 

  2516.         // FIXME - remove debug prints later

  2517.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2518. 

  2519.         fOscData.clear();

  2520. 

  2521.         const int proto = lo_address_get_protocol(source);

  2522. 

  2523.         {

  2524.             const char* host = lo_address_get_hostname(source);

  2525.             const char* port = lo_address_get_port(source);

  2526.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2527. 

  2528.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2529.         }

  2530. 

  2531.         {

  2532.             char* host = lo_url_get_hostname(url);

  2533.             char* port = lo_url_get_port(url);

  2534.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2535.             fOscData.target = lo_address_new_with_proto(proto, host, port);

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

  2537. 

  2538.             std::free(host);

  2539.             std::free(port);

  2540.         }

  2541. 

  2542.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2543. 

  2544.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2545.         {

  2546.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2547.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2548. 

  2549.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2550.                 osc_send_configure(fOscData, customData.key, customData.value);

  2551.         }

  2552. 

  2553.         if (pData->prog.current >= 0)

  2554.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2555. 

  2556.         if (pData->midiprog.current >= 0)

  2557.         {

  2558.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2559.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2560.         }

  2561. 

  2562.         for (uint32_t i=0; i < pData->param.count; ++i)

  2563.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2564. 

  2565.        #ifndef BUILD_BRIDGE

  2566.         if (pData->engine->getOptions().frontendWinId != 0)

  2567.             pData->transientTryCounter = 1;

  2568.        #endif

  2569. 

  2570.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2571.     }

  2572. 

  2573.     void handleOscMessageExiting()

  2574.     {

  2575.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2576. 

  2577.         // hide UI

  2578.         showCustomUI(false);

  2579. 

  2580.         // tell frontend

  2581.         pData->engine->callback(true, true,

  2582.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2583.                                 pData->id,

  2584.                                 0,

  2585.                                 0, 0, 0.0f, nullptr);

  2586.     }

  2587. 

  2588.     // -------------------------------------------------------------------

  2589.     // Post-poned UI Stuff

  2590. 

  2591.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2592.     {

  2593.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2594. 

  2595.         if (fOscData.target == nullptr)

  2596.             return;

  2597. 

  2598.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2599.     }

  2600. 

  2601.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2602.     {

  2603.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2604. 

  2605.         if (fOscData.target == nullptr)

  2606.             return;

  2607. 

  2608.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2609.     }

  2610. 

  2611.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2612.     {

  2613.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2614.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2615.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2616. 

  2617.         if (fOscData.target == nullptr)

  2618.             return;

  2619. 

  2620.        #if 0

  2621.         uint8_t midiData[4];

  2622.         midiData[0] = 0;

  2623.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2624.         midiData[2] = note;

  2625.         midiData[3] = velo;

  2626. 

  2627.         osc_send_midi(fOscData, midiData);

  2628.        #endif

  2629.     }

  2630. 

  2631.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2632.     {

  2633.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2634.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2635. 

  2636.         if (fOscData.target == nullptr)

  2637.             return;

  2638. 

  2639.        #if 0

  2640.         uint8_t midiData[4];

  2641.         midiData[0] = 0;

  2642.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2643.         midiData[2] = note;

  2644.         midiData[3] = 0;

  2645. 

  2646.         osc_send_midi(fOscData, midiData);

  2647.        #endif

  2648.     }

  2649.    #endif // CARLA_ENABLE_DSSI_PLUGIN_GUI

  2650. 

  2651.     // -------------------------------------------------------------------

  2652. 

  2653.     const void* getNativeDescriptor() const noexcept override

  2654.     {

  2655.         return fDssiDescriptor != nullptr

  2656.                ? (const void*)fDssiDescriptor

  2657.                : (const void*)fDescriptor;

  2658.     }

  2659. 

  2660.     const void* getExtraStuff() const noexcept override

  2661.     {

  2662.         if (fDssiDescriptor != nullptr)

  2663.         {

  2664.            #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2665.             return fUiFilename;

  2666.            #else

  2667.             return nullptr;

  2668.            #endif

  2669.         }

  2670.         return fRdfDescriptor;

  2671.     }

  2672. 

  2673.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2674.     uintptr_t getUiBridgeProcessId() const noexcept override

  2675.     {

  2676.         return fThreadUI.getProcessId();

  2677.     }

  2678.    #endif

  2679. 

  2680.     // -------------------------------------------------------------------

  2681. 

  2682.     bool initLADSPA(const CarlaPluginPtr plugin,

  2683.                     const char* const filename, const char* name, const char* const label, const uint options,

  2684.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2685.     {

  2686.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2687. 

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

  2689.         // first checks

  2690. 

  2691.         if (pData->client != nullptr)

  2692.         {

  2693.             pData->engine->setLastError("Plugin client is already registered");

  2694.             return false;

  2695.         }

  2696. 

  2697.         if (filename == nullptr || filename[0] == '\0')

  2698.         {

  2699.             pData->engine->setLastError("null filename");

  2700.             return false;

  2701.         }

  2702. 

  2703.         // ---------------------------------------------------------------

  2704.         // open DLL

  2705. 

  2706.         if (! pData->libOpen(filename))

  2707.         {

  2708.             pData->engine->setLastError(pData->libError(filename));

  2709.             return false;

  2710.         }

  2711. 

  2712.         // ---------------------------------------------------------------

  2713.         // get DLL main entry

  2714. 

  2715.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2716. 

  2717.         if (descFn == nullptr)

  2718.         {

  2719.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2720.             return false;

  2721.         }

  2722. 

  2723.         // ---------------------------------------------------------------

  2724.         // get descriptor that matches label

  2725. 

  2726.         // if label is null, get first valid plugin

  2727.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2728. 

  2729.         for (ulong d=0;; ++d)

  2730.         {

  2731.             try {

  2732.                 fDescriptor = descFn(d);

  2733.             }

  2734.             catch(...) {

  2735.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2736.                 fDescriptor = nullptr;

  2737.                 break;

  2738.             }

  2739. 

  2740.             if (fDescriptor == nullptr)

  2741.                 break;

  2742. 

  2743.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2744.             {

  2745.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2746.                 fDescriptor = nullptr;

  2747.                 break;

  2748.             }

  2749.             if (fDescriptor->run == nullptr)

  2750.             {

  2751.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2752.                 fDescriptor = nullptr;

  2753.                 break;

  2754.             }

  2755. 

  2756.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2757.                 break;

  2758.         }

  2759. 

  2760.         if (fDescriptor == nullptr)

  2761.         {

  2762.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2763.             return false;

  2764.         }

  2765. 

  2766.         return init2(plugin, filename, name, options, rdfDescriptor);

  2767.     }

  2768. 

  2769.     bool initDSSI(const CarlaPluginPtr plugin,

  2770.                   const char* const filename, const char* name, const char* const label, const uint options)

  2771.     {

  2772.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2773. 

  2774.         // ---------------------------------------------------------------

  2775.         // first checks

  2776. 

  2777.         if (pData->client != nullptr)

  2778.         {

  2779.             pData->engine->setLastError("Plugin client is already registered");

  2780.             return false;

  2781.         }

  2782. 

  2783.         if (filename == nullptr || filename[0] == '\0')

  2784.         {

  2785.             pData->engine->setLastError("null filename");

  2786.             return false;

  2787.         }

  2788. 

  2789.         // ---------------------------------------------------------------

  2790.         // open DLL

  2791. 

  2792.         if (! pData->libOpen(filename))

  2793.         {

  2794.             pData->engine->setLastError(pData->libError(filename));

  2795.             return false;

  2796.         }

  2797. 

  2798.         // ---------------------------------------------------------------

  2799.         // get DLL main entry

  2800. 

  2801.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2802. 

  2803.         if (descFn == nullptr)

  2804.         {

  2805.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2806.             return false;

  2807.         }

  2808. 

  2809.         // ---------------------------------------------------------------

  2810.         // get descriptor that matches label

  2811. 

  2812.         // if label is null, get first valid plugin

  2813.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2814. 

  2815.         for (ulong d=0;; ++d)

  2816.         {

  2817.             try {

  2818.                 fDssiDescriptor = descFn(d);

  2819.             }

  2820.             catch(...) {

  2821.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2822.                 fDescriptor     = nullptr;

  2823.                 fDssiDescriptor = nullptr;

  2824.                 break;

  2825.             }

  2826. 

  2827.             if (fDssiDescriptor == nullptr)

  2828.                 break;

  2829. 

  2830.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2831. 

  2832.             if (fDescriptor == nullptr)

  2833.             {

  2834.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2835.                 fDssiDescriptor = nullptr;

  2836.                 break;

  2837.             }

  2838.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2839.             {

  2840.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2841.                 fDescriptor     = nullptr;

  2842.                 fDssiDescriptor = nullptr;

  2843.                 break;

  2844.             }

  2845.             if (fDescriptor->run == nullptr)

  2846.             {

  2847.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2848.                 fDescriptor     = nullptr;

  2849.                 fDssiDescriptor = nullptr;

  2850.                 break;

  2851.             }

  2852. 

  2853.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2854.                 break;

  2855.         }

  2856. 

  2857.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2858.         {

  2859.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2860.             return false;

  2861.         }

  2862. 

  2863.         // ---------------------------------------------------------------

  2864.         // check if uses global instance

  2865. 

  2866.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2867.         {

  2868.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2869.             return false;

  2870.         }

  2871. 

  2872.         return init2(plugin, filename, name, options, nullptr);

  2873.     }

  2874. 

  2875.     bool init2(const CarlaPluginPtr plugin,

  2876.                const char* const filename, const char* name, const uint options,

  2877.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2878.     {

  2879.         // ---------------------------------------------------------------

  2880.         // check for fixed buffer size requirement

  2881. 

  2882.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2883. 

  2884.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2885.         {

  2886.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2887.                                         "The plugin requires a fixed block size which is not possible right now.");

  2888.             return false;

  2889.         }

  2890. 

  2891.         // ---------------------------------------------------------------

  2892.         // get info

  2893. 

  2894.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2895.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2896. 

  2897.         if (name == nullptr || name[0] == '\0')

  2898.         {

  2899.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2900.                 name = fRdfDescriptor->Title;

  2901.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2902.                 name = fDescriptor->Name;

  2903.             else

  2904.                 name = fDescriptor->Label;

  2905.         }

  2906. 

  2907.         pData->name = pData->engine->getUniquePluginName(name);

  2908.         pData->filename = carla_strdup(filename);

  2909. 

  2910.         // ---------------------------------------------------------------

  2911.         // register client

  2912. 

  2913.         pData->client = pData->engine->addClient(plugin);

  2914. 

  2915.         if (pData->client == nullptr || ! pData->client->isOk())

  2916.         {

  2917.             pData->engine->setLastError("Failed to register plugin client");

  2918.             return false;

  2919.         }

  2920. 

  2921.         // ---------------------------------------------------------------

  2922.         // initialize plugin

  2923. 

  2924.         if (! addInstance())

  2925.             return false;

  2926. 

  2927.         // ---------------------------------------------------------------

  2928.         // find latency port index

  2929. 

  2930.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2931.         {

  2932.             const int portType(fDescriptor->PortDescriptors[i]);

  2933. 

  2934.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2935.                 continue;

  2936. 

  2937.             const uint32_t index(iCtrl++);

  2938. 

  2939.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2940.                 continue;

  2941. 

  2942.             const char* const portName(fDescriptor->PortNames[i]);

  2943.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2944. 

  2945.             if (std::strcmp(portName, "latency")  == 0 ||

  2946.                 std::strcmp(portName, "_latency") == 0)

  2947.             {

  2948.                 fLatencyIndex = static_cast<int32_t>(index);

  2949.                 break;

  2950.             }

  2951.         }

  2952. 

  2953.         // ---------------------------------------------------------------

  2954.         // check for custom data extension

  2955. 

  2956.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2957.         {

  2958.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2959.             {

  2960.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2961.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2962.                     fUsesCustomData = true;

  2963. 

  2964.                 std::free(error);

  2965.             }

  2966.         }

  2967. 

  2968.         // ---------------------------------------------------------------

  2969.         // get engine options

  2970. 

  2971.         const EngineOptions& opts(pData->engine->getOptions());

  2972. 

  2973.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2974.         // ---------------------------------------------------------------

  2975.         // check for gui

  2976. 

  2977.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2978.         {

  2979.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2980.             {

  2981.                 fUiFilename = guiFilename;

  2982. 

  2983.                 CarlaString uiTitle;

  2984. 

  2985.                 if (pData->uiTitle.isNotEmpty())

  2986.                 {

  2987.                     uiTitle = pData->uiTitle;

  2988.                 }

  2989.                 else

  2990.                 {

  2991.                     uiTitle  = pData->name;

  2992.                     uiTitle += " (GUI)";

  2993.                 }

  2994. 

  2995.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  2996.             }

  2997.         }

  2998.        #endif

  2999. 

  3000.         // ---------------------------------------------------------------

  3001.         // set options

  3002. 

  3003.         pData->options = 0x0;

  3004. 

  3005.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3006.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3007.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3008.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3009. 

  3010.         /**/ if (opts.forceStereo)

  3011.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3012.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3013.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3014. 

  3015.         if (fDssiDescriptor != nullptr)

  3016.         {

  3017.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3018.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3019.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3020. 

  3021.             if (fUsesCustomData)

  3022.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3023.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3024. 

  3025.             if (fDssiDescriptor->run_synth != nullptr)

  3026.             {

  3027.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3028.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3029.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3030.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3031.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3032.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3033.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3034.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3035.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3036.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3037.                 if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  3038.                     pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  3039.             }

  3040.         }

  3041. 

  3042.         return true;

  3043.     }

  3044. 

  3045.     // -------------------------------------------------------------------

  3046. 

  3047. private:

  3048.     LinkedList<LADSPA_Handle>    fHandles;

  3049.     const LADSPA_Descriptor*     fDescriptor;

  3050.     const DSSI_Descriptor*       fDssiDescriptor;

  3051.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3052. 

  3053.     float** fAudioInBuffers;

  3054.     float** fAudioOutBuffers;

  3055.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3056.     float*  fParamBuffers;

  3057. 

  3058.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3059. 

  3060.     int32_t fLatencyIndex; // -1 if invalid

  3061.     bool    fForcedStereoIn;

  3062.     bool    fForcedStereoOut;

  3063.     bool    fNeedsFixedBuffers;

  3064.     bool    fUsesCustomData;

  3065. 

  3066.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  3067.     CarlaOscData      fOscData;

  3068.     CarlaThreadDSSIUI fThreadUI;

  3069.     const char*       fUiFilename;

  3070.    #endif

  3071. 

  3072.     // -------------------------------------------------------------------

  3073. 

  3074.     bool addInstance()

  3075.     {

  3076.         LADSPA_Handle handle;

  3077. 

  3078.         try {

  3079.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3080.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3081. 

  3082.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3083.         {

  3084.             const int32_t rindex(pData->param.data[i].rindex);

  3085.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3086. 

  3087.             try {

  3088.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3089.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3090.         }

  3091. 

  3092.         if (fHandles.append(handle))

  3093.             return true;

  3094. 

  3095.         try {

  3096.             fDescriptor->cleanup(handle);

  3097.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3098. 

  3099.         pData->engine->setLastError("Out of memory");

  3100.         return false;

  3101.     }

  3102. 

  3103.     uint32_t getSafePortCount() const noexcept

  3104.     {

  3105.         if (fDescriptor->PortCount == 0)

  3106.             return 0;

  3107. 

  3108.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3109.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3110.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3111. 

  3112.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3113.     }

  3114. 

  3115.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3116.     {

  3117.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3118.             return true;

  3119.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3120.             return true;

  3121.         return false;

  3122.     }

  3123. 

  3124.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3125.                                                      const bool wantName, const bool useBracket) noexcept

  3126.     {

  3127.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3128. 

  3129.         if (sepBracketStart == nullptr)

  3130.             return false;

  3131. 

  3132.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3133. 

  3134.         if (sepBracketEnd == nullptr)

  3135.             return false;

  3136. 

  3137.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3138. 

  3139.         if (unitSize > 7) // very unlikely to have such big unit

  3140.             return false;

  3141. 

  3142.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3143. 

  3144.         // just in case

  3145.         if (sepIndex > STR_MAX-3)

  3146.             return false;

  3147. 

  3148.         if (wantName)

  3149.         {

  3150.             std::strncpy(strBuf, paramName, sepIndex);

  3151.             strBuf[sepIndex] = '\0';

  3152.         }

  3153.         else

  3154.         {

  3155.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3156.             strBuf[unitSize] = '\0';

  3157.         }

  3158. 

  3159.         return true;

  3160.     }

  3161. 

  3162.     // -------------------------------------------------------------------

  3163. 

  3164.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3165. };

  3166. 

  3167. // -------------------------------------------------------------------------------------------------------------------

  3168. 

  3169. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3170. {

  3171.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3172.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3173. 

  3174.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3175. 

  3176.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3177.         return nullptr;

  3178. 

  3179.     return plugin;

  3180. }

  3181. 

  3182. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3183. {

  3184.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3185.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3186. 

  3187.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3188. 

  3189.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3190.         return nullptr;

  3191. 

  3192.     return plugin;

  3193. }

  3194. 

  3195. // -------------------------------------------------------------------------------------------------------------------

  3196. 

  3197. CARLA_BACKEND_END_NAMESPACE