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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.             String ldPreloadValue;

  163. 

  164.             if (winId != 0)

  165.             {

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

  167.                 ldPreloadValue = (String(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.     String fBinary;

  238.     String fLabel;

  239.     String fUiTitle;

  240. 

  241.     const CarlaOscData& fOscData;

  242.     ScopedPointer<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.         String 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 += String(iAudioIn+1);

  1006.                         }

  1007.                         else

  1008.                             portName += "audio-in";

  1009.                     }

  1010.                     else

  1011.                     {

  1012.                         if (aOuts > 1)

  1013.                         {

  1014.                             portName += "audio-out_";

  1015.                             portName += String(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. 

  1274.         if (aOuts >= 2)

  1275.             pData->hints |= PLUGIN_CAN_PANNING;

  1276.        #endif

  1277. 

  1278.         // extra plugin hints

  1279.         pData->extraHints = 0x0;

  1280. 

  1281.         if (mIns > 0)

  1282.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1283. 

  1284.         // check initial latency

  1285.         findInitialLatencyValue(aIns, aOuts);

  1286. 

  1287.         fForcedStereoIn  = forcedStereoIn;

  1288.         fForcedStereoOut = forcedStereoOut;

  1289. 

  1290.         bufferSizeChanged(pData->engine->getBufferSize());

  1291.         reloadPrograms(true);

  1292. 

  1293.         if (pData->active)

  1294.             activate();

  1295. 

  1296.         carla_debug("CarlaPluginLADSPADSSI::reload() - end");

  1297.     }

  1298. 

  1299.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1300.     {

  1301.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1302.             return;

  1303. 

  1304.         // we need to pre-run the plugin so it can update its latency control-port

  1305.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1306.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1307. 

  1308.         float tmpIn[64][2];

  1309.         float tmpOut[64][2];

  1310. 

  1311.         for (uint32_t j=0; j < aIns; ++j)

  1312.         {

  1313.             tmpIn[j][0] = 0.0f;

  1314.             tmpIn[j][1] = 0.0f;

  1315. 

  1316.             try {

  1317.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1318.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency input)");

  1319.         }

  1320. 

  1321.         for (uint32_t j=0; j < aOuts; ++j)

  1322.         {

  1323.             tmpOut[j][0] = 0.0f;

  1324.             tmpOut[j][1] = 0.0f;

  1325. 

  1326.             try {

  1327.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1328.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (latency output)");

  1329.         }

  1330. 

  1331.         if (fDescriptor->activate != nullptr)

  1332.         {

  1333.             try {

  1334.                 fDescriptor->activate(handle);

  1335.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency activate");

  1336.         }

  1337. 

  1338.         try {

  1339.             fDescriptor->run(handle, 2);

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

  1341. 

  1342.         if (fDescriptor->deactivate != nullptr)

  1343.         {

  1344.             try {

  1345.                 fDescriptor->deactivate(handle);

  1346.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI latency deactivate");

  1347.         }

  1348. 

  1349.         // done, let's get the value

  1350.         if (const uint32_t latency = getLatencyInFrames())

  1351.         {

  1352.             pData->client->setLatency(latency);

  1353. #ifndef BUILD_BRIDGE

  1354.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1355. #endif

  1356.         }

  1357.     }

  1358. 

  1359.     void reloadPrograms(const bool doInit) override

  1360.     {

  1361.         carla_debug("CarlaPluginLADSPADSSI::reloadPrograms(%s)", bool2str(doInit));

  1362. 

  1363.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1364.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1365. 

  1366.         const uint32_t oldCount = pData->midiprog.count;

  1367.         const int32_t  current  = pData->midiprog.current;

  1368. 

  1369.         // Delete old programs

  1370.         pData->midiprog.clear();

  1371. 

  1372.         // nothing to do for simple LADSPA plugins (do we want to bother with lrdf presets?)

  1373.         if (fDssiDescriptor == nullptr)

  1374.             return;

  1375. 

  1376.         // Query new programs

  1377.         uint32_t newCount = 0;

  1378.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1379.         {

  1380.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1381.                 ++newCount;

  1382.         }

  1383. 

  1384.         if (newCount > 0)

  1385.         {

  1386.             pData->midiprog.createNew(newCount);

  1387. 

  1388.             // Update data

  1389.             for (uint32_t i=0; i < newCount; ++i)

  1390.             {

  1391.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1392.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1393.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1394. 

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

  1396.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1397.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1398.             }

  1399.         }

  1400. 

  1401.         if (doInit)

  1402.         {

  1403.             if (newCount > 0)

  1404.                 setMidiProgram(0, false, false, false, true);

  1405.         }

  1406.         else

  1407.         {

  1408.             // Check if current program is invalid

  1409.             bool programChanged = false;

  1410. 

  1411.             if (newCount == oldCount+1)

  1412.             {

  1413.                 // one midi program added, probably created by user

  1414.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1415.                 programChanged = true;

  1416.             }

  1417.             else if (current < 0 && newCount > 0)

  1418.             {

  1419.                 // programs exist now, but not before

  1420.                 pData->midiprog.current = 0;

  1421.                 programChanged = true;

  1422.             }

  1423.             else if (current >= 0 && newCount == 0)

  1424.             {

  1425.                 // programs existed before, but not anymore

  1426.                 pData->midiprog.current = -1;

  1427.                 programChanged = true;

  1428.             }

  1429.             else if (current >= static_cast<int32_t>(newCount))

  1430.             {

  1431.                 // current midi program > count

  1432.                 pData->midiprog.current = 0;

  1433.                 programChanged = true;

  1434.             }

  1435.             else

  1436.             {

  1437.                 // no change

  1438.                 pData->midiprog.current = current;

  1439.             }

  1440. 

  1441.             if (programChanged)

  1442.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1443. 

  1444.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1445.         }

  1446.     }

  1447. 

  1448.     // -------------------------------------------------------------------

  1449.     // Plugin processing

  1450. 

  1451.     void activate() noexcept override

  1452.     {

  1453.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1454. 

  1455.         if (fDescriptor->activate != nullptr)

  1456.         {

  1457.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1458.             {

  1459.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1460.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1461. 

  1462.                 try {

  1463.                     fDescriptor->activate(handle);

  1464.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI activate");

  1465.             }

  1466.         }

  1467.     }

  1468. 

  1469.     void deactivate() noexcept override

  1470.     {

  1471.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1472. 

  1473.         if (fDescriptor->deactivate != nullptr)

  1474.         {

  1475.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1476.             {

  1477.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1478.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1479. 

  1480.                 try {

  1481.                     fDescriptor->deactivate(handle);

  1482.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI deactivate");

  1483.             }

  1484.         }

  1485.     }

  1486. 

  1487.     void process(const float* const* const audioIn, float** const audioOut,

  1488.                  const float* const* const cvIn, float**,

  1489.                  const uint32_t frames) override

  1490.     {

  1491.         // --------------------------------------------------------------------------------------------------------

  1492.         // Check if active

  1493. 

  1494.         if (! pData->active)

  1495.         {

  1496.             // disable any output sound

  1497.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1498.                 carla_zeroFloats(audioOut[i], frames);

  1499.             return;

  1500.         }

  1501. 

  1502.         ulong midiEventCount = 0;

  1503.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1504. 

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

  1506.         // Check if needs reset

  1507. 

  1508.         if (pData->needsReset)

  1509.         {

  1510.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1511.             {

  1512.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1513. 

  1514.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1515.                 {

  1516.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1517.                     fMidiEvents[i].data.control.channel = i;

  1518.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1519. 

  1520.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

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

  1522.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1523.                 }

  1524.             }

  1525.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1526.             {

  1527.                 midiEventCount = MAX_MIDI_NOTE;

  1528. 

  1529.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1530.                 {

  1531.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1532.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1533.                     fMidiEvents[i].data.note.note    = i;

  1534.                 }

  1535.             }

  1536. 

  1537.             pData->needsReset = false;

  1538.         }

  1539. 

  1540.         // --------------------------------------------------------------------------------------------------------

  1541.         // Event Input and Processing

  1542. 

  1543.         if (pData->event.portIn != nullptr)

  1544.         {

  1545.             // ----------------------------------------------------------------------------------------------------

  1546.             // MIDI Input (External)

  1547. 

  1548.             if (pData->extNotes.mutex.tryLock())

  1549.             {

  1550.                 ExternalMidiNote note = { 0, 0, 0 };

  1551. 

  1552.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1553.                 {

  1554.                     note = pData->extNotes.data.getFirst(note, true);

  1555.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1556. 

  1557.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1558.                     carla_zeroStruct(seqEvent);

  1559. 

  1560.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1561.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1562.                     seqEvent.data.note.note     = note.note;

  1563.                     seqEvent.data.note.velocity = note.velo;

  1564.                 }

  1565. 

  1566.                 pData->extNotes.mutex.unlock();

  1567. 

  1568.             } // End of MIDI Input (External)

  1569. 

  1570.             // ----------------------------------------------------------------------------------------------------

  1571.             // Event Input (System)

  1572. 

  1573. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1574.             bool allNotesOffSent = false;

  1575. #endif

  1576.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1577. 

  1578.             uint32_t startTime  = 0;

  1579.             uint32_t timeOffset = 0;

  1580.             uint32_t nextBankId;

  1581. 

  1582.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1583.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1584.             else

  1585.                 nextBankId = 0;

  1586. 

  1587. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1588.             if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr)

  1589.                 pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, isSampleAccurate, pData->event.portIn);

  1590. #endif

  1591. 

  1592.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1593.             {

  1594.                 EngineEvent& event(pData->event.portIn->getEvent(i));

  1595. 

  1596.                 uint32_t eventTime = event.time;

  1597.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1598. 

  1599.                 if (eventTime < timeOffset)

  1600.                 {

  1601.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1602.                                   eventTime, timeOffset, pData->name);

  1603.                     eventTime = timeOffset;

  1604.                 }

  1605. 

  1606.                 if (isSampleAccurate && eventTime > timeOffset)

  1607.                 {

  1608.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1609.                     {

  1610.                         startTime  = 0;

  1611.                         timeOffset = eventTime;

  1612.                         midiEventCount = 0;

  1613. 

  1614.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1615.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1616.                         else

  1617.                             nextBankId = 0;

  1618.                     }

  1619.                     else

  1620.                         startTime += timeOffset;

  1621.                 }

  1622. 

  1623.                 switch (event.type)

  1624.                 {

  1625.                 case kEngineEventTypeNull:

  1626.                     break;

  1627. 

  1628.                 case kEngineEventTypeControl: {

  1629.                     EngineControlEvent& ctrlEvent(event.ctrl);

  1630. 

  1631.                     switch (ctrlEvent.type)

  1632.                     {

  1633.                     case kEngineControlEventTypeNull:

  1634.                         break;

  1635. 

  1636.                     case kEngineControlEventTypeParameter: {

  1637.                         float value;

  1638. 

  1639. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1640.                         // non-midi

  1641.                         if (event.channel == kEngineEventNonMidiChannel)

  1642.                         {

  1643.                             const uint32_t k = ctrlEvent.param;

  1644.                             CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count);

  1645. 

  1646.                             ctrlEvent.handled = true;

  1647.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1648.                             setParameterValueRT(k, value, event.time, true);

  1649.                             continue;

  1650.                         }

  1651. 

  1652.                         // Control backend stuff

  1653.                         if (event.channel == pData->ctrlChannel)

  1654.                         {

  1655.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1656.                             {

  1657.                                 ctrlEvent.handled = true;

  1658.                                 value = ctrlEvent.normalizedValue;

  1659.                                 setDryWetRT(value, true);

  1660.                             }

  1661.                             else if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1662.                             {

  1663.                                 ctrlEvent.handled = true;

  1664.                                 value = ctrlEvent.normalizedValue*127.0f/100.0f;

  1665.                                 setVolumeRT(value, true);

  1666.                             }

  1667.                             else if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1668.                             {

  1669.                                 float left, right;

  1670.                                 value = ctrlEvent.normalizedValue/0.5f - 1.0f;

  1671. 

  1672.                                 if (value < 0.0f)

  1673.                                 {

  1674.                                     left  = -1.0f;

  1675.                                     right = (value*2.0f)+1.0f;

  1676.                                 }

  1677.                                 else if (value > 0.0f)

  1678.                                 {

  1679.                                     left  = (value*2.0f)-1.0f;

  1680.                                     right = 1.0f;

  1681.                                 }

  1682.                                 else

  1683.                                 {

  1684.                                     left  = -1.0f;

  1685.                                     right = 1.0f;

  1686.                                 }

  1687. 

  1688.                                 ctrlEvent.handled = true;

  1689.                                 setBalanceLeftRT(left, true);

  1690.                                 setBalanceRightRT(right, true);

  1691.                             }

  1692.                         }

  1693. #endif

  1694.                         // Control plugin parameters

  1695.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1696.                         {

  1697.                             if (pData->param.data[k].midiChannel != event.channel)

  1698.                                 continue;

  1699.                             if (pData->param.data[k].mappedControlIndex != ctrlEvent.param)

  1700.                                 continue;

  1701.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1702.                                 continue;

  1703.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMATABLE) == 0)

  1704.                                 continue;

  1705. 

  1706.                             ctrlEvent.handled = true;

  1707.                             value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue);

  1708.                             setParameterValueRT(k, value, event.time, true);

  1709.                         }

  1710. 

  1711.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE)

  1712.                         {

  1713.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1714.                                 continue;

  1715. 

  1716.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1717.                             carla_zeroStruct(seqEvent);

  1718. 

  1719.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1720. 

  1721.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1722.                             seqEvent.data.control.channel = event.channel;

  1723.                             seqEvent.data.control.param   = ctrlEvent.param;

  1724.                             seqEvent.data.control.value   = int8_t(ctrlEvent.normalizedValue*127.0f + 0.5f);

  1725.                         }

  1726. 

  1727. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1728.                         if (! ctrlEvent.handled)

  1729.                             checkForMidiLearn(event);

  1730. #endif

  1731.                         break;

  1732.                     } // case kEngineControlEventTypeParameter

  1733. 

  1734.                     case kEngineControlEventTypeMidiBank:

  1735.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1736.                             nextBankId = ctrlEvent.param;

  1737.                         break;

  1738. 

  1739.                     case kEngineControlEventTypeMidiProgram:

  1740.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1741.                         {

  1742.                             const uint32_t nextProgramId = ctrlEvent.param;

  1743. 

  1744.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1745.                             {

  1746.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1747.                                 {

  1748.                                     setMidiProgramRT(k, true);

  1749.                                     break;

  1750.                                 }

  1751.                             }

  1752.                         }

  1753.                         break;

  1754. 

  1755.                     case kEngineControlEventTypeAllSoundOff:

  1756.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1757.                         {

  1758.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1759.                                 continue;

  1760. 

  1761.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1762.                             carla_zeroStruct(seqEvent);

  1763. 

  1764.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1765. 

  1766.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1767.                             seqEvent.data.control.channel = event.channel;

  1768.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1769.                         }

  1770.                         break;

  1771. 

  1772.                     case kEngineControlEventTypeAllNotesOff:

  1773.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1774.                         {

  1775. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1776.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1777.                             {

  1778.                                 allNotesOffSent = true;

  1779.                                 postponeRtAllNotesOff();

  1780.                             }

  1781. #endif

  1782. 

  1783.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1784.                                 continue;

  1785. 

  1786.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1787.                             carla_zeroStruct(seqEvent);

  1788. 

  1789.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1790. 

  1791.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1792.                             seqEvent.data.control.channel = event.channel;

  1793.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1794.                         }

  1795.                         break;

  1796.                     } // switch (ctrlEvent.type)

  1797.                     break;

  1798.                 } // case kEngineEventTypeControl

  1799. 

  1800.                 case kEngineEventTypeMidi: {

  1801.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1802.                         continue;

  1803. 

  1804.                     const EngineMidiEvent& midiEvent(event.midi);

  1805. 

  1806.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1807.                         continue;

  1808. 

  1809.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1810. 

  1811.                     // Fix bad note-off (per DSSI spec)

  1812.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1813.                         status = MIDI_STATUS_NOTE_OFF;

  1814. 

  1815.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1816.                     carla_zeroStruct(seqEvent);

  1817. 

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

  1819. 

  1820.                     switch (status)

  1821.                     {

  1822.                     case MIDI_STATUS_NOTE_OFF:

  1823.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1824.                         {

  1825.                             const uint8_t note = midiEvent.data[1];

  1826. 

  1827.                             seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1828.                             seqEvent.data.note.channel = event.channel;

  1829.                             seqEvent.data.note.note    = note;

  1830. 

  1831.                             pData->postponeNoteOffRtEvent(true, event.channel, note);

  1832.                         }

  1833.                         break;

  1834. 

  1835.                     case MIDI_STATUS_NOTE_ON:

  1836.                         if ((pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES) == 0x0)

  1837.                         {

  1838.                             const uint8_t note = midiEvent.data[1];

  1839.                             const uint8_t velo = midiEvent.data[2];

  1840. 

  1841.                             seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1842.                             seqEvent.data.note.channel  = event.channel;

  1843.                             seqEvent.data.note.note     = note;

  1844.                             seqEvent.data.note.velocity = velo;

  1845. 

  1846.                             pData->postponeNoteOnRtEvent(true, event.channel, note, velo);

  1847.                         }

  1848.                         break;

  1849. 

  1850.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1851.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1852.                         {

  1853.                             const uint8_t note     = midiEvent.data[1];

  1854.                             const uint8_t pressure = midiEvent.data[2];

  1855. 

  1856.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1857.                             seqEvent.data.note.channel  = event.channel;

  1858.                             seqEvent.data.note.note     = note;

  1859.                             seqEvent.data.note.velocity = pressure;

  1860.                         }

  1861.                         break;

  1862. 

  1863.                     case MIDI_STATUS_CONTROL_CHANGE:

  1864.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1865.                         {

  1866.                             const uint8_t control = midiEvent.data[1];

  1867.                             const uint8_t value   = midiEvent.data[2];

  1868. 

  1869.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1870.                             seqEvent.data.control.channel = event.channel;

  1871.                             seqEvent.data.control.param   = control;

  1872.                             seqEvent.data.control.value   = value;

  1873.                         }

  1874.                         break;

  1875. 

  1876.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1877.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1878.                         {

  1879.                             const uint8_t pressure = midiEvent.data[1];

  1880. 

  1881.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1882.                             seqEvent.data.control.channel = event.channel;

  1883.                             seqEvent.data.control.value   = pressure;

  1884.                         }

  1885.                         break;

  1886. 

  1887.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1888.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1889.                         {

  1890.                             const uint8_t lsb = midiEvent.data[1];

  1891.                             const uint8_t msb = midiEvent.data[2];

  1892. 

  1893.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1894.                             seqEvent.data.control.channel = event.channel;

  1895.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1896.                         }

  1897.                         break;

  1898. 

  1899.                     default:

  1900.                         --midiEventCount;

  1901.                         break;

  1902.                     } // switch (status)

  1903.                 } break;

  1904.                 } // switch (event.type)

  1905.             }

  1906. 

  1907.             pData->postRtEvents.trySplice();

  1908. 

  1909.             if (frames > timeOffset)

  1910.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1911. 

  1912.         } // End of Event Input and Processing

  1913. 

  1914.         // --------------------------------------------------------------------------------------------------------

  1915.         // Plugin processing (no events)

  1916. 

  1917.         else

  1918.         {

  1919.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1920. 

  1921.         } // End of Plugin processing (no events)

  1922. 

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

  1924.         // Control Output

  1925. 

  1926.         if (pData->event.portOut != nullptr)

  1927.         {

  1928.             uint8_t  channel;

  1929.             uint16_t param;

  1930.             float    value;

  1931. 

  1932.             for (uint32_t k=0; k < pData->param.count; ++k)

  1933.             {

  1934.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1935.                     continue;

  1936. 

  1937.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1938. 

  1939.                 if (pData->param.data[k].mappedControlIndex > 0)

  1940.                 {

  1941.                     channel = pData->param.data[k].midiChannel;

  1942.                     param   = static_cast<uint16_t>(pData->param.data[k].mappedControlIndex);

  1943.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1944.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter,

  1945.                                                             param, -1, value);

  1946.                 }

  1947.             }

  1948.         } // End of Control Output

  1949. 

  1950. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1951.         return;

  1952. 

  1953.         // unused

  1954.         (void)cvIn;

  1955. #endif

  1956.     }

  1957. 

  1958.     bool processSingle(const float* const* const audioIn, float** const audioOut, const uint32_t frames,

  1959.                        const uint32_t timeOffset, const ulong midiEventCount)

  1960.     {

  1961.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1962. 

  1963.         if (pData->audioIn.count > 0)

  1964.         {

  1965.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1966.         }

  1967.         if (pData->audioOut.count > 0)

  1968.         {

  1969.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1970.         }

  1971. 

  1972.         // --------------------------------------------------------------------------------------------------------

  1973.         // Try lock, silence otherwise

  1974. 

  1975. #ifndef STOAT_TEST_BUILD

  1976.         if (pData->engine->isOffline())

  1977.         {

  1978.             pData->singleMutex.lock();

  1979.         }

  1980.         else

  1981. #endif

  1982.         if (! pData->singleMutex.tryLock())

  1983.         {

  1984.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1985.             {

  1986.                 for (uint32_t k=0; k < frames; ++k)

  1987.                     audioOut[i][k+timeOffset] = 0.0f;

  1988.             }

  1989. 

  1990.             return false;

  1991.         }

  1992. 

  1993.         // --------------------------------------------------------------------------------------------------------

  1994.         // Set audio buffers

  1995. 

  1996.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1997.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1998. 

  1999.         if (! customMonoOut)

  2000.         {

  2001.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2002.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  2003.         }

  2004. 

  2005.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2006.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  2007. 

  2008.         // --------------------------------------------------------------------------------------------------------

  2009.         // Run plugin

  2010. 

  2011.         uint instn = 0;

  2012.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  2013.         {

  2014.             LADSPA_Handle const handle(it.getValue(nullptr));

  2015.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2016. 

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

  2018.             // Mixdown for forced stereo

  2019. 

  2020.             if (customMonoOut)

  2021.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  2022. 

  2023.             // ----------------------------------------------------------------------------------------------------

  2024.             // Run it

  2025. 

  2026.             if (fDssiDescriptor != nullptr && fDssiDescriptor->run_synth != nullptr)

  2027.             {

  2028.                 try {

  2029.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  2030.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run_synth");

  2031.             }

  2032.             else

  2033.             {

  2034.                 try {

  2035.                     fDescriptor->run(handle, frames);

  2036.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI run");

  2037.             }

  2038. 

  2039.             // ----------------------------------------------------------------------------------------------------

  2040.             // Mixdown for forced stereo

  2041. 

  2042.             if (customMonoOut)

  2043.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  2044.             else if (customStereoOut)

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

  2046.         }

  2047. 

  2048.         if (customStereoOut)

  2049.         {

  2050.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  2051.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  2052.         }

  2053. 

  2054. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2055.         // --------------------------------------------------------------------------------------------------------

  2056.         // Post-processing (dry/wet, volume and balance)

  2057. 

  2058.         {

  2059.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  2060.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  2061.             const bool isMono    = (pData->audioIn.count == 1);

  2062. 

  2063.             bool isPair;

  2064.             float bufValue;

  2065.             float* const oldBufLeft = pData->postProc.extraBuffer;

  2066. 

  2067.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2068.             {

  2069.                 // Dry/Wet

  2070.                 if (doDryWet)

  2071.                 {

  2072.                     const uint32_t c = isMono ? 0 : i;

  2073. 

  2074.                     for (uint32_t k=0; k < frames; ++k)

  2075.                     {

  2076. # ifndef BUILD_BRIDGE

  2077.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

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

  2079.                         else if (pData->latency.frames < frames)

  2080.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  2081.                         else

  2082. # endif

  2083.                             bufValue = fAudioInBuffers[c][k];

  2084. 

  2085.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  2086.                     }

  2087.                 }

  2088.             }

  2089. 

  2090.             // Do not join this loop with loop above.

  2091.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2092.             {

  2093.                 // Balance

  2094.                 if (doBalance)

  2095.                 {

  2096.                     isPair = (i % 2 == 0);

  2097. 

  2098.                     if (isPair)

  2099.                     {

  2100.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2101.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2102.                     }

  2103. 

  2104.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2105.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2106. 

  2107.                     for (uint32_t k=0; k < frames; ++k)

  2108.                     {

  2109.                         if (isPair)

  2110.                         {

  2111.                             // left

  2112.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2113.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2114.                         }

  2115.                         else

  2116.                         {

  2117.                             // right

  2118.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2119.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2120.                         }

  2121.                     }

  2122.                 }

  2123. 

  2124.                 // Panning

  2125.                 // Only decrease of levels, but never increase, unlike 'L, R'.

  2126.                 // Note: no pan processing for Mono.

  2127. 

  2128.                 uint32_t q     = pData->audioOut.count;

  2129.                 float    pan   = pData->postProc.panning;

  2130.                 float    vol   = pData->postProc.volume;

  2131. 

  2132.                 // Pan: Stereo, 3 ch (extra rear/bass), or Quadro.

  2133.                 if ((pan != 0.0) && ((q == 2) || (q == 3) || (q == 4)))

  2134.                 {

  2135.                     // left channel(s) reduce when pan to right

  2136.                     if ((pan > 0) && ((i == 0) || ((i == 2) && (q == 4))))

  2137.                     {

  2138.                         vol = vol * (1.0 - pan);

  2139.                     }

  2140. 

  2141.                     // right channel(s) reduce when pan to left

  2142.                     else if ((pan < 0) && ((i == 1) || (i == 3)))

  2143.                     {

  2144.                         vol = vol * (1.0 + pan);

  2145.                     }

  2146.                 }

  2147. 

  2148.                 // Volume (and buffer copy)

  2149.                 {

  2150.                     for (uint32_t k=0; k < frames; ++k)

  2151.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * vol;

  2152.                 }

  2153.             }

  2154. 

  2155.         } // End of Post-processing

  2156. 

  2157. # ifndef BUILD_BRIDGE

  2158.         // --------------------------------------------------------------------------------------------------------

  2159.         // Save latency values for next callback

  2160. 

  2161.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2162.         {

  2163.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2164.             const uint32_t latframes = pData->latency.frames;

  2165. 

  2166.             if (latframes <= frames)

  2167.             {

  2168.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2169.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2170.             }

  2171.             else

  2172.             {

  2173.                 const uint32_t diff = latframes - frames;

  2174. 

  2175.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2176.                 {

  2177.                     // push back buffer by 'frames'

  2178.                     for (k=0; k < diff; ++k)

  2179.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2180. 

  2181.                     // put current input at the end

  2182.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2183.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2184.                 }

  2185.             }

  2186.         }

  2187. # endif

  2188. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2189.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2190.         {

  2191.             for (uint32_t k=0; k < frames; ++k)

  2192.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2193.         }

  2194. #endif

  2195. 

  2196.         // --------------------------------------------------------------------------------------------------------

  2197. 

  2198.         pData->singleMutex.unlock();

  2199.         return true;

  2200.     }

  2201. 

  2202.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2203.     {

  2204.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2205.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2206. 

  2207.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2208.         {

  2209.             if (fAudioInBuffers[i] != nullptr)

  2210.                 delete[] fAudioInBuffers[i];

  2211. 

  2212.             fAudioInBuffers[i] = new float[newBufferSize];

  2213.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2214.         }

  2215. 

  2216.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2217.         {

  2218.             if (fAudioOutBuffers[i] != nullptr)

  2219.                 delete[] fAudioOutBuffers[i];

  2220. 

  2221.             fAudioOutBuffers[i] = new float[newBufferSize];

  2222.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2223.         }

  2224. 

  2225.         if (fExtraStereoBuffer[0] != nullptr)

  2226.         {

  2227.             delete[] fExtraStereoBuffer[0];

  2228.             fExtraStereoBuffer[0] = nullptr;

  2229.         }

  2230. 

  2231.         if (fExtraStereoBuffer[1] != nullptr)

  2232.         {

  2233.             delete[] fExtraStereoBuffer[1];

  2234.             fExtraStereoBuffer[1] = nullptr;

  2235.         }

  2236. 

  2237.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2238.         {

  2239.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2240.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2241.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2242.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2243.         }

  2244. 

  2245.         reconnectAudioPorts();

  2246. 

  2247.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2248. 

  2249.         CarlaPlugin::bufferSizeChanged(newBufferSize);

  2250.     }

  2251. 

  2252.     void sampleRateChanged(const double newSampleRate) override

  2253.     {

  2254.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2255.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2256. 

  2257.         // TODO - handle UI stuff

  2258. 

  2259.         if (pData->active)

  2260.             deactivate();

  2261. 

  2262.         const std::size_t instanceCount(fHandles.count());

  2263. 

  2264.         if (fDescriptor->cleanup != nullptr)

  2265.         {

  2266.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2267.             {

  2268.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2269.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2270. 

  2271.                 try {

  2272.                     fDescriptor->cleanup(handle);

  2273.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2274.             }

  2275.         }

  2276. 

  2277.         fHandles.clear();

  2278. 

  2279.         for (std::size_t i=0; i<instanceCount; ++i)

  2280.             addInstance();

  2281. 

  2282.         reconnectAudioPorts();

  2283. 

  2284.         if (pData->active)

  2285.             activate();

  2286. 

  2287.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2288.     }

  2289. 

  2290.     void reconnectAudioPorts() const noexcept

  2291.     {

  2292.         if (fForcedStereoIn)

  2293.         {

  2294.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2295.             {

  2296.                 try {

  2297.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2298.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2299.             }

  2300. 

  2301.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2302.             {

  2303.                 try {

  2304.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2305.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2306.             }

  2307.         }

  2308.         else

  2309.         {

  2310.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2311.             {

  2312.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2313.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2314. 

  2315.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2316.                 {

  2317.                     try {

  2318.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2319.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2320.                 }

  2321.             }

  2322.         }

  2323. 

  2324.         if (fForcedStereoOut)

  2325.         {

  2326.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2327.             {

  2328.                 try {

  2329.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2330.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2331.             }

  2332. 

  2333.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2334.             {

  2335.                 try {

  2336.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2337.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2338.             }

  2339.         }

  2340.         else

  2341.         {

  2342.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2343.             {

  2344.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2345.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2346. 

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

  2348.                 {

  2349.                     try {

  2350.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2351.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2352.                 }

  2353.             }

  2354.         }

  2355.     }

  2356. 

  2357.     // -------------------------------------------------------------------

  2358.     // Plugin buffers

  2359. 

  2360.     void clearBuffers() noexcept override

  2361.     {

  2362.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2363. 

  2364.         if (fAudioInBuffers != nullptr)

  2365.         {

  2366.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2367.             {

  2368.                 if (fAudioInBuffers[i] != nullptr)

  2369.                 {

  2370.                     delete[] fAudioInBuffers[i];

  2371.                     fAudioInBuffers[i] = nullptr;

  2372.                 }

  2373.             }

  2374. 

  2375.             delete[] fAudioInBuffers;

  2376.             fAudioInBuffers = nullptr;

  2377.         }

  2378. 

  2379.         if (fAudioOutBuffers != nullptr)

  2380.         {

  2381.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2382.             {

  2383.                 if (fAudioOutBuffers[i] != nullptr)

  2384.                 {

  2385.                     delete[] fAudioOutBuffers[i];

  2386.                     fAudioOutBuffers[i] = nullptr;

  2387.                 }

  2388.             }

  2389. 

  2390.             delete[] fAudioOutBuffers;

  2391.             fAudioOutBuffers = nullptr;

  2392.         }

  2393. 

  2394.         if (fExtraStereoBuffer[0] != nullptr)

  2395.         {

  2396.             delete[] fExtraStereoBuffer[0];

  2397.             fExtraStereoBuffer[0] = nullptr;

  2398.         }

  2399. 

  2400.         if (fExtraStereoBuffer[1] != nullptr)

  2401.         {

  2402.             delete[] fExtraStereoBuffer[1];

  2403.             fExtraStereoBuffer[1] = nullptr;

  2404.         }

  2405. 

  2406.         if (fParamBuffers != nullptr)

  2407.         {

  2408.             delete[] fParamBuffers;

  2409.             fParamBuffers = nullptr;

  2410.         }

  2411. 

  2412.         CarlaPlugin::clearBuffers();

  2413. 

  2414.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2415.     }

  2416. 

  2417.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2418.     // -------------------------------------------------------------------

  2419.     // OSC stuff

  2420. 

  2421.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, void* const msg) override

  2422.     {

  2423.         const lo_address source = lo_message_get_source(static_cast<lo_message>(msg));

  2424.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2425. 

  2426.         // protocol for DSSI UIs *must* be UDP

  2427.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2428. 

  2429.         if (fOscData.source == nullptr)

  2430.         {

  2431.             // if no UI is registered yet only "configure" and "update" messages are valid

  2432.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2433.         }

  2434.         else

  2435.         {

  2436.             // make sure message source is the DSSI UI

  2437.             const char* const msghost = lo_address_get_hostname(source);

  2438.             const char* const msgport = lo_address_get_port(source);

  2439. 

  2440.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2441.             const char* const ourport = lo_address_get_port(fOscData.source);

  2442. 

  2443.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2444.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2445.         }

  2446. 

  2447.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2448. 

  2449.         if (std::strcmp(method, "configure") == 0)

  2450.             return handleOscMessageConfigure(argc, argv, types);

  2451.         if (std::strcmp(method, "control") == 0)

  2452.             return handleOscMessageControl(argc, argv, types);

  2453.         if (std::strcmp(method, "program") == 0)

  2454.             return handleOscMessageProgram(argc, argv, types);

  2455.         if (std::strcmp(method, "midi") == 0)

  2456.             return handleOscMessageMIDI(argc, argv, types);

  2457.         if (std::strcmp(method, "update") == 0)

  2458.             return handleOscMessageUpdate(argc, argv, types, source);

  2459.         if (std::strcmp(method, "exiting") == 0)

  2460.             return handleOscMessageExiting();

  2461. 

  2462.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2463.     }

  2464. 

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

  2466.     {

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

  2468.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2469. 

  2470.         const char* const key   = (const char*)&argv[0]->s;

  2471.         const char* const value = (const char*)&argv[1]->s;

  2472. 

  2473.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2474.     }

  2475. 

  2476.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2477.     {

  2478.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2479.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2480. 

  2481.         const int32_t rindex = argv[0]->i;

  2482.         const float   value  = argv[1]->f;

  2483. 

  2484.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2485.     }

  2486. 

  2487.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2488.     {

  2489.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2490.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2491. 

  2492.         const int32_t bank    = argv[0]->i;

  2493.         const int32_t program = argv[1]->i;

  2494. 

  2495.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2496.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2497. 

  2498.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2499.     }

  2500. 

  2501.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2502.     {

  2503.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2504.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2505. 

  2506.         if (getMidiInCount() == 0)

  2507.         {

  2508.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2509.             return;

  2510.         }

  2511. 

  2512.         const uint8_t* const data = argv[0]->m;

  2513.         uint8_t status  = data[1];

  2514.         uint8_t channel = status & 0x0F;

  2515. 

  2516.         // Fix bad note-off

  2517.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2518.             status = MIDI_STATUS_NOTE_OFF;

  2519. 

  2520.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2521.         {

  2522.             const uint8_t note = data[2];

  2523. 

  2524.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2525. 

  2526.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2527.         }

  2528.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2529.         {

  2530.             const uint8_t note = data[2];

  2531.             const uint8_t velo = data[3];

  2532. 

  2533.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2534.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2535. 

  2536.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2537.         }

  2538.     }

  2539. 

  2540.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2541.     {

  2542.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2543.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2544. 

  2545.         const char* const url = (const char*)&argv[0]->s;

  2546. 

  2547.         // FIXME - remove debug prints later

  2548.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2549. 

  2550.         fOscData.clear();

  2551. 

  2552.         const int proto = lo_address_get_protocol(source);

  2553. 

  2554.         {

  2555.             const char* host = lo_address_get_hostname(source);

  2556.             const char* port = lo_address_get_port(source);

  2557.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2558. 

  2559.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2560.         }

  2561. 

  2562.         {

  2563.             char* host = lo_url_get_hostname(url);

  2564.             char* port = lo_url_get_port(url);

  2565.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2566.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2567.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2568. 

  2569.             std::free(host);

  2570.             std::free(port);

  2571.         }

  2572. 

  2573.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2574. 

  2575.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2576.         {

  2577.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2578.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2579. 

  2580.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2581.                 osc_send_configure(fOscData, customData.key, customData.value);

  2582.         }

  2583. 

  2584.         if (pData->prog.current >= 0)

  2585.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2586. 

  2587.         if (pData->midiprog.current >= 0)

  2588.         {

  2589.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2590.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2591.         }

  2592. 

  2593.         for (uint32_t i=0; i < pData->param.count; ++i)

  2594.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2595. 

  2596.        #ifndef BUILD_BRIDGE

  2597.         if (pData->engine->getOptions().frontendWinId != 0)

  2598.             pData->transientTryCounter = 1;

  2599.        #endif

  2600. 

  2601.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2602.     }

  2603. 

  2604.     void handleOscMessageExiting()

  2605.     {

  2606.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2607. 

  2608.         // hide UI

  2609.         showCustomUI(false);

  2610. 

  2611.         // tell frontend

  2612.         pData->engine->callback(true, true,

  2613.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2614.                                 pData->id,

  2615.                                 0,

  2616.                                 0, 0, 0.0f, nullptr);

  2617.     }

  2618. 

  2619.     // -------------------------------------------------------------------

  2620.     // Post-poned UI Stuff

  2621. 

  2622.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2623.     {

  2624.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2625. 

  2626.         if (fOscData.target == nullptr)

  2627.             return;

  2628. 

  2629.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2630.     }

  2631. 

  2632.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2633.     {

  2634.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2635. 

  2636.         if (fOscData.target == nullptr)

  2637.             return;

  2638. 

  2639.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2640.     }

  2641. 

  2642.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2643.     {

  2644.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2645.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2646.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2647. 

  2648.         if (fOscData.target == nullptr)

  2649.             return;

  2650. 

  2651.        #if 0

  2652.         uint8_t midiData[4];

  2653.         midiData[0] = 0;

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

  2655.         midiData[2] = note;

  2656.         midiData[3] = velo;

  2657. 

  2658.         osc_send_midi(fOscData, midiData);

  2659.        #endif

  2660.     }

  2661. 

  2662.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2663.     {

  2664.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2665.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2666. 

  2667.         if (fOscData.target == nullptr)

  2668.             return;

  2669. 

  2670.        #if 0

  2671.         uint8_t midiData[4];

  2672.         midiData[0] = 0;

  2673.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2674.         midiData[2] = note;

  2675.         midiData[3] = 0;

  2676. 

  2677.         osc_send_midi(fOscData, midiData);

  2678.        #endif

  2679.     }

  2680.    #endif // CARLA_ENABLE_DSSI_PLUGIN_GUI

  2681. 

  2682.     // -------------------------------------------------------------------

  2683. 

  2684.     const void* getNativeDescriptor() const noexcept override

  2685.     {

  2686.         return fDssiDescriptor != nullptr

  2687.                ? (const void*)fDssiDescriptor

  2688.                : (const void*)fDescriptor;

  2689.     }

  2690. 

  2691.     const void* getExtraStuff() const noexcept override

  2692.     {

  2693.         if (fDssiDescriptor != nullptr)

  2694.         {

  2695.            #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2696.             return fUiFilename;

  2697.            #else

  2698.             return nullptr;

  2699.            #endif

  2700.         }

  2701.         return fRdfDescriptor;

  2702.     }

  2703. 

  2704.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2705.     uintptr_t getUiBridgeProcessId() const noexcept override

  2706.     {

  2707.         return fThreadUI.getProcessId();

  2708.     }

  2709.    #endif

  2710. 

  2711.     // -------------------------------------------------------------------

  2712. 

  2713.     bool initLADSPA(const CarlaPluginPtr plugin,

  2714.                     const char* const filename, const char* name, const char* const label, const uint options,

  2715.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2716.     {

  2717.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2718. 

  2719.         // ---------------------------------------------------------------

  2720.         // first checks

  2721. 

  2722.         if (pData->client != nullptr)

  2723.         {

  2724.             pData->engine->setLastError("Plugin client is already registered");

  2725.             return false;

  2726.         }

  2727. 

  2728.         if (filename == nullptr || filename[0] == '\0')

  2729.         {

  2730.             pData->engine->setLastError("null filename");

  2731.             return false;

  2732.         }

  2733. 

  2734.         // ---------------------------------------------------------------

  2735.         // open DLL

  2736. 

  2737.         if (! pData->libOpen(filename))

  2738.         {

  2739.             pData->engine->setLastError(pData->libError(filename));

  2740.             return false;

  2741.         }

  2742. 

  2743.         // ---------------------------------------------------------------

  2744.         // get DLL main entry

  2745. 

  2746.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2747. 

  2748.         if (descFn == nullptr)

  2749.         {

  2750.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2751.             return false;

  2752.         }

  2753. 

  2754.         // ---------------------------------------------------------------

  2755.         // get descriptor that matches label

  2756. 

  2757.         // if label is null, get first valid plugin

  2758.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2759. 

  2760.         for (ulong d=0;; ++d)

  2761.         {

  2762.             try {

  2763.                 fDescriptor = descFn(d);

  2764.             }

  2765.             catch(...) {

  2766.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2767.                 fDescriptor = nullptr;

  2768.                 break;

  2769.             }

  2770. 

  2771.             if (fDescriptor == nullptr)

  2772.                 break;

  2773. 

  2774.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2775.             {

  2776.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2777.                 fDescriptor = nullptr;

  2778.                 break;

  2779.             }

  2780.             if (fDescriptor->run == nullptr)

  2781.             {

  2782.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2783.                 fDescriptor = nullptr;

  2784.                 break;

  2785.             }

  2786. 

  2787.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2788.                 break;

  2789.         }

  2790. 

  2791.         if (fDescriptor == nullptr)

  2792.         {

  2793.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2794.             return false;

  2795.         }

  2796. 

  2797.         return init2(plugin, filename, name, options, rdfDescriptor);

  2798.     }

  2799. 

  2800.     bool initDSSI(const CarlaPluginPtr plugin,

  2801.                   const char* const filename, const char* name, const char* const label, const uint options)

  2802.     {

  2803.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2804. 

  2805.         // ---------------------------------------------------------------

  2806.         // first checks

  2807. 

  2808.         if (pData->client != nullptr)

  2809.         {

  2810.             pData->engine->setLastError("Plugin client is already registered");

  2811.             return false;

  2812.         }

  2813. 

  2814.         if (filename == nullptr || filename[0] == '\0')

  2815.         {

  2816.             pData->engine->setLastError("null filename");

  2817.             return false;

  2818.         }

  2819. 

  2820.         // ---------------------------------------------------------------

  2821.         // open DLL

  2822. 

  2823.         if (! pData->libOpen(filename))

  2824.         {

  2825.             pData->engine->setLastError(pData->libError(filename));

  2826.             return false;

  2827.         }

  2828. 

  2829.         // ---------------------------------------------------------------

  2830.         // get DLL main entry

  2831. 

  2832.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2833. 

  2834.         if (descFn == nullptr)

  2835.         {

  2836.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2837.             return false;

  2838.         }

  2839. 

  2840.         // ---------------------------------------------------------------

  2841.         // get descriptor that matches label

  2842. 

  2843.         // if label is null, get first valid plugin

  2844.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2845. 

  2846.         for (ulong d=0;; ++d)

  2847.         {

  2848.             try {

  2849.                 fDssiDescriptor = descFn(d);

  2850.             }

  2851.             catch(...) {

  2852.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2853.                 fDescriptor     = nullptr;

  2854.                 fDssiDescriptor = nullptr;

  2855.                 break;

  2856.             }

  2857. 

  2858.             if (fDssiDescriptor == nullptr)

  2859.                 break;

  2860. 

  2861.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2862. 

  2863.             if (fDescriptor == nullptr)

  2864.             {

  2865.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2866.                 fDssiDescriptor = nullptr;

  2867.                 break;

  2868.             }

  2869.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2870.             {

  2871.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2872.                 fDescriptor     = nullptr;

  2873.                 fDssiDescriptor = nullptr;

  2874.                 break;

  2875.             }

  2876.             if (fDescriptor->run == nullptr)

  2877.             {

  2878.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2879.                 fDescriptor     = nullptr;

  2880.                 fDssiDescriptor = nullptr;

  2881.                 break;

  2882.             }

  2883. 

  2884.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2885.                 break;

  2886.         }

  2887. 

  2888.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2889.         {

  2890.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2891.             return false;

  2892.         }

  2893. 

  2894.         // ---------------------------------------------------------------

  2895.         // check if uses global instance

  2896. 

  2897.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2898.         {

  2899.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2900.             return false;

  2901.         }

  2902. 

  2903.         return init2(plugin, filename, name, options, nullptr);

  2904.     }

  2905. 

  2906.     bool init2(const CarlaPluginPtr plugin,

  2907.                const char* const filename, const char* name, const uint options,

  2908.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2909.     {

  2910.         // ---------------------------------------------------------------

  2911.         // check for fixed buffer size requirement

  2912. 

  2913.         fNeedsFixedBuffers = String(filename).contains("dssi-vst", true);

  2914. 

  2915.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2916.         {

  2917.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2918.                                         "The plugin requires a fixed block size which is not possible right now.");

  2919.             return false;

  2920.         }

  2921. 

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

  2923.         // get info

  2924. 

  2925.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2926.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2927. 

  2928.         if (name == nullptr || name[0] == '\0')

  2929.         {

  2930.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2931.                 name = fRdfDescriptor->Title;

  2932.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2933.                 name = fDescriptor->Name;

  2934.             else

  2935.                 name = fDescriptor->Label;

  2936.         }

  2937. 

  2938.         pData->name = pData->engine->getUniquePluginName(name);

  2939.         pData->filename = carla_strdup(filename);

  2940. 

  2941.         // ---------------------------------------------------------------

  2942.         // register client

  2943. 

  2944.         pData->client = pData->engine->addClient(plugin);

  2945. 

  2946.         if (pData->client == nullptr || ! pData->client->isOk())

  2947.         {

  2948.             pData->engine->setLastError("Failed to register plugin client");

  2949.             return false;

  2950.         }

  2951. 

  2952.         // ---------------------------------------------------------------

  2953.         // initialize plugin

  2954. 

  2955.         if (! addInstance())

  2956.             return false;

  2957. 

  2958.         // ---------------------------------------------------------------

  2959.         // find latency port index

  2960. 

  2961.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2962.         {

  2963.             const int portType(fDescriptor->PortDescriptors[i]);

  2964. 

  2965.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2966.                 continue;

  2967. 

  2968.             const uint32_t index(iCtrl++);

  2969. 

  2970.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2971.                 continue;

  2972. 

  2973.             const char* const portName(fDescriptor->PortNames[i]);

  2974.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2975. 

  2976.             if (std::strcmp(portName, "latency")  == 0 ||

  2977.                 std::strcmp(portName, "_latency") == 0)

  2978.             {

  2979.                 fLatencyIndex = static_cast<int32_t>(index);

  2980.                 break;

  2981.             }

  2982.         }

  2983. 

  2984.         // ---------------------------------------------------------------

  2985.         // check for custom data extension

  2986. 

  2987.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2988.         {

  2989.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2990.             {

  2991.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2992.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2993.                     fUsesCustomData = true;

  2994. 

  2995.                 std::free(error);

  2996.             }

  2997.         }

  2998. 

  2999.         // ---------------------------------------------------------------

  3000.         // get engine options

  3001. 

  3002.         const EngineOptions& opts(pData->engine->getOptions());

  3003. 

  3004.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  3005.         // ---------------------------------------------------------------

  3006.         // check for gui

  3007. 

  3008.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  3009.         {

  3010.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  3011.             {

  3012.                 fUiFilename = guiFilename;

  3013. 

  3014.                 String uiTitle;

  3015. 

  3016.                 if (pData->uiTitle.isNotEmpty())

  3017.                 {

  3018.                     uiTitle = pData->uiTitle;

  3019.                 }

  3020.                 else

  3021.                 {

  3022.                     uiTitle  = pData->name;

  3023.                     uiTitle += " (GUI)";

  3024.                 }

  3025. 

  3026.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  3027.             }

  3028.         }

  3029.        #endif

  3030. 

  3031.         // ---------------------------------------------------------------

  3032.         // set options

  3033. 

  3034.         pData->options = 0x0;

  3035. 

  3036.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3037.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3038.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3039.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3040. 

  3041.         /**/ if (opts.forceStereo)

  3042.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3043.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3044.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3045. 

  3046.         if (fDssiDescriptor != nullptr)

  3047.         {

  3048.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3049.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3050.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3051. 

  3052.             if (fUsesCustomData)

  3053.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3054.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3055. 

  3056.             if (fDssiDescriptor->run_synth != nullptr)

  3057.             {

  3058.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3059.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3060.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3061.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3062.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3063.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3064.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3065.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3066.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3067.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3068.                 if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  3069.                     pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  3070.             }

  3071.         }

  3072. 

  3073.         return true;

  3074.     }

  3075. 

  3076.     // -------------------------------------------------------------------

  3077. 

  3078. private:

  3079.     LinkedList<LADSPA_Handle>    fHandles;

  3080.     const LADSPA_Descriptor*     fDescriptor;

  3081.     const DSSI_Descriptor*       fDssiDescriptor;

  3082.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3083. 

  3084.     float** fAudioInBuffers;

  3085.     float** fAudioOutBuffers;

  3086.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3087.     float*  fParamBuffers;

  3088. 

  3089.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3090. 

  3091.     int32_t fLatencyIndex; // -1 if invalid

  3092.     bool    fForcedStereoIn;

  3093.     bool    fForcedStereoOut;

  3094.     bool    fNeedsFixedBuffers;

  3095.     bool    fUsesCustomData;

  3096. 

  3097.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  3098.     CarlaOscData      fOscData;

  3099.     CarlaThreadDSSIUI fThreadUI;

  3100.     const char*       fUiFilename;

  3101.    #endif

  3102. 

  3103.     // -------------------------------------------------------------------

  3104. 

  3105.     bool addInstance()

  3106.     {

  3107.         LADSPA_Handle handle;

  3108. 

  3109.         try {

  3110.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3111.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3112. 

  3113.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3114.         {

  3115.             const int32_t rindex(pData->param.data[i].rindex);

  3116.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3117. 

  3118.             try {

  3119.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3120.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3121.         }

  3122. 

  3123.         if (fHandles.append(handle))

  3124.             return true;

  3125. 

  3126.         try {

  3127.             fDescriptor->cleanup(handle);

  3128.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3129. 

  3130.         pData->engine->setLastError("Out of memory");

  3131.         return false;

  3132.     }

  3133. 

  3134.     uint32_t getSafePortCount() const noexcept

  3135.     {

  3136.         if (fDescriptor->PortCount == 0)

  3137.             return 0;

  3138. 

  3139.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3140.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3141.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3142. 

  3143.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3144.     }

  3145. 

  3146.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3147.     {

  3148.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3149.             return true;

  3150.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3151.             return true;

  3152.         return false;

  3153.     }

  3154. 

  3155.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3156.                                                      const bool wantName, const bool useBracket) noexcept

  3157.     {

  3158.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3159. 

  3160.         if (sepBracketStart == nullptr)

  3161.             return false;

  3162. 

  3163.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3164. 

  3165.         if (sepBracketEnd == nullptr)

  3166.             return false;

  3167. 

  3168.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3169. 

  3170.         if (unitSize > 7) // very unlikely to have such big unit

  3171.             return false;

  3172. 

  3173.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3174. 

  3175.         // just in case

  3176.         if (sepIndex > STR_MAX-3)

  3177.             return false;

  3178. 

  3179.         if (wantName)

  3180.         {

  3181.             std::strncpy(strBuf, paramName, sepIndex);

  3182.             strBuf[sepIndex] = '\0';

  3183.         }

  3184.         else

  3185.         {

  3186.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3187.             strBuf[unitSize] = '\0';

  3188.         }

  3189. 

  3190.         return true;

  3191.     }

  3192. 

  3193.     // -------------------------------------------------------------------

  3194. 

  3195.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3196. };

  3197. 

  3198. // -------------------------------------------------------------------------------------------------------------------

  3199. 

  3200. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3201. {

  3202.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3203.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3204. 

  3205.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3206. 

  3207.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3208.         return nullptr;

  3209. 

  3210.     return plugin;

  3211. }

  3212. 

  3213. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3214. {

  3215.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3216.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3217. 

  3218.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3219. 

  3220.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3221.         return nullptr;

  3222. 

  3223.     return plugin;

  3224. }

  3225. 

  3226. // -------------------------------------------------------------------------------------------------------------------

  3227. 

  3228. CARLA_BACKEND_END_NAMESPACE