falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 43 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
6992 Commits
17 Branches
1.0GB
Tree: 05d8022888
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '05d8022888'
${ noResults }
Carla/source/backend/plugin/CarlaPluginLADSPADSSI.cpp

3201 lines
116KB
Raw Blame History 

  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. using water::String;

  22. using water::StringArray;

  23. 

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

  25.     /* check argument count */                                                                  \

  26.     if (argc != argcToCompare)                                                                  \

  27.     {                                                                                           \

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

  29.                      __FUNCTION__, argc, argcToCompare);                                        \

  30.         return;                                                                                 \

  31.     }                                                                                           \

  32.     if (argc > 0)                                                                               \

  33.     {                                                                                           \

  34.         /* check for nullness */                                                                \

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

  36.         {                                                                                       \

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

  38.                          __FUNCTION__);                                                         \

  39.             return;                                                                             \

  40.         }                                                                                       \

  41.         /* check argument types */                                                              \

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

  43.         {                                                                                       \

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

  45.                          __FUNCTION__, types, typesToCompare);                                  \

  46.             return;                                                                             \

  47.         }                                                                                       \

  48.     }

  49. 

  50. CARLA_BACKEND_START_NAMESPACE

  51. 

  52. #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  53. // -------------------------------------------------------------------

  54. // Fallback data

  55. 

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

  57. 

  58. // -------------------------------------------------------------------

  59. 

  60. class CarlaThreadDSSIUI : public CarlaThread

  61. {

  62. public:

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

  64.         : CarlaThread("CarlaThreadDSSIUI"),

  65.           kEngine(engine),

  66.           kPlugin(plugin),

  67.           fBinary(),

  68.           fLabel(),

  69.           fUiTitle(),

  70.           fOscData(oscData),

  71.           fProcess() {}

  72. 

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

  74.     {

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

  76.         CARLA_SAFE_ASSERT_RETURN(label != nullptr,);

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

  78.         CARLA_SAFE_ASSERT(! isThreadRunning());

  79. 

  80.         fBinary  = binary;

  81.         fLabel   = label;

  82.         fUiTitle = uiTitle;

  83. 

  84.         if (fLabel.isEmpty())

  85.             fLabel = "\"\"";

  86.     }

  87. 

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

  89.     {

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

  91. 

  92.         fUiTitle = uiTitle;

  93.     }

  94. 

  95.     uintptr_t getProcessId() const noexcept

  96.     {

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

  98. 

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

  100.     }

  101. 

  102.     void run()

  103.     {

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

  105. 

  106.         if (fProcess == nullptr)

  107.         {

  108.             fProcess = new ChildProcess();

  109.         }

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

  111.         {

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

  113. 

  114.             fProcess->kill();

  115.             fProcess = nullptr;

  116.             kEngine->callback(true, true,

  117.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  118.                               kPlugin->getId(),

  119.                               0,

  120.                               0, 0, 0.0f, nullptr);

  121.             return;

  122.         }

  123. 

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

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

  126. 

  127.         if (name.isEmpty())

  128.             name = "(none)";

  129. 

  130.         if (filename.isEmpty())

  131.             filename = "\"\"";

  132. 

  133.         StringArray arguments;

  134. 

  135.         // binary

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

  137. 

  138.         // osc-url

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

  140. 

  141.         // filename

  142.         arguments.add(filename);

  143. 

  144.         // label

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

  146. 

  147.         // ui-title

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

  149. 

  150.         bool started;

  151. 

  152.         {

  153. #ifdef CARLA_OS_LINUX

  154.             /*

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

  156.              * If not, unset LD_PRELOAD.

  157.              */

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

  159. 

  160.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  161.             char winIdStr[STR_MAX+1];

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

  163. 

  164.             // for LD_PRELOAD

  165.             CarlaString ldPreloadValue;

  166. 

  167.             if (winId != 0)

  168.             {

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

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

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

  172.             }

  173.             else

  174.             {

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

  176.             }

  177. 

  178.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  181. #endif // CARLA_OS_LINUX

  182. 

  183.             // start the DSSI UI application

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

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

  186.         }

  187. 

  188.         if (! started)

  189.         {

  190.             carla_stdout("failed!");

  191.             fProcess = nullptr;

  192.             return;

  193.         }

  194. 

  195.         if (waitForOscGuiShow())

  196.         {

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

  198.                 d_msleep(100);

  199. 

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

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

  202.             {

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

  204. 

  205.                 if (fProcess->isRunning())

  206.                 {

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

  208.                     fProcess->kill();

  209.                 }

  210.                 else

  211.                 {

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

  213.                 }

  214.             }

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

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

  217.             else

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

  219.         }

  220.         else

  221.         {

  222.             fProcess->kill();

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

  224.         }

  225. 

  226.         fProcess = nullptr;

  227.         kEngine->callback(true, true,

  228.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  229.                           kPlugin->getId(),

  230.                           0,

  231.                           0, 0, 0.0f, nullptr);

  232. 

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

  234.     }

  235. 

  236. private:

  237.     CarlaEngine* const kEngine;

  238.     CarlaPlugin* const kPlugin;

  239. 

  240.     CarlaString fBinary;

  241.     CarlaString fLabel;

  242.     CarlaString fUiTitle;

  243. 

  244.     const CarlaOscData& fOscData;

  245.     CarlaScopedPointer<ChildProcess> fProcess;

  246. 

  247.     bool waitForOscGuiShow()

  248.     {

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

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

  251. 

  252.         // wait for UI 'update' call

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

  254.         {

  255.             if (fOscData.target != nullptr)

  256.             {

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

  258.                 osc_send_show(fOscData);

  259.                 return true;

  260.             }

  261. 

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

  263.                 d_msleep(100);

  264.             else

  265.                 return false;

  266.         }

  267. 

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

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

  270.         return false;

  271.     }

  272. 

  273.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  274. };

  275. #endif

  276. 

  277. // -----------------------------------------------------

  278. 

  279. class CarlaPluginLADSPADSSI : public CarlaPlugin

  280. {

  281. public:

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

  283.         : CarlaPlugin(engine, id),

  284.           fHandles(),

  285.           fDescriptor(nullptr),

  286.           fDssiDescriptor(nullptr),

  287.           fRdfDescriptor(nullptr),

  288.           fAudioInBuffers(nullptr),

  289.           fAudioOutBuffers(nullptr),

  290.           fExtraStereoBuffer(),

  291.           fParamBuffers(nullptr),

  292.           fLatencyIndex(-1),

  293.           fForcedStereoIn(false),

  294.           fForcedStereoOut(false),

  295.           fNeedsFixedBuffers(false),

  296.           fUsesCustomData(false)

  297.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  298.         , fOscData(),

  299.           fThreadUI(engine, this, fOscData),

  300.           fUiFilename(nullptr)

  301.        #endif

  302.     {

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

  304. 

  305.         carla_zeroPointers(fExtraStereoBuffer, 2);

  306.     }

  307. 

  308.     ~CarlaPluginLADSPADSSI() noexcept override

  309.     {

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

  311. 

  312.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  313.         // close UI

  314.         if (fUiFilename != nullptr)

  315.         {

  316.             showCustomUI(false);

  317. 

  318.             delete[] fUiFilename;

  319.             fUiFilename = nullptr;

  320.         }

  321.        #endif

  322. 

  323.         pData->singleMutex.lock();

  324.         pData->masterMutex.lock();

  325. 

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

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

  328. 

  329.         if (pData->active)

  330.         {

  331.             deactivate();

  332.             pData->active = false;

  333.         }

  334. 

  335.         if (fDescriptor != nullptr)

  336.         {

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

  338.             {

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

  340.                 {

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

  342.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  343. 

  344.                     try {

  345.                         fDescriptor->cleanup(handle);

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

  347.                 }

  348.             }

  349. 

  350.             fHandles.clear();

  351.             fDescriptor = nullptr;

  352.             fDssiDescriptor = nullptr;

  353.         }

  354. 

  355.         if (fRdfDescriptor != nullptr)

  356.         {

  357.             delete fRdfDescriptor;

  358.             fRdfDescriptor = nullptr;

  359.         }

  360. 

  361.         clearBuffers();

  362.     }

  363. 

  364.     // -------------------------------------------------------------------

  365.     // Information (base)

  366. 

  367.     PluginType getType() const noexcept override

  368.     {

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

  370.     }

  371. 

  372.     PluginCategory getCategory() const noexcept override

  373.     {

  374.         if (fRdfDescriptor != nullptr)

  375.         {

  376.             const LADSPA_RDF_PluginType category = fRdfDescriptor->Type;

  377. 

  378.             // Specific Types

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

  380.                 return PLUGIN_CATEGORY_DELAY;

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

  382.                 return PLUGIN_CATEGORY_MODULATOR;

  383.             if (category & (LADSPA_RDF_PLUGIN_AMPLIFIER))

  384.                 return PLUGIN_CATEGORY_DYNAMICS;

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

  386.                 return PLUGIN_CATEGORY_UTILITY;

  387. 

  388.             // Pre-set LADSPA Types

  389.             if (LADSPA_RDF_IS_PLUGIN_DYNAMICS(category))

  390.                 return PLUGIN_CATEGORY_DYNAMICS;

  391.             if (LADSPA_RDF_IS_PLUGIN_AMPLITUDE(category))

  392.                 return PLUGIN_CATEGORY_MODULATOR;

  393.             if (LADSPA_RDF_IS_PLUGIN_EQ(category))

  394.                 return PLUGIN_CATEGORY_EQ;

  395.             if (LADSPA_RDF_IS_PLUGIN_FILTER(category))

  396.                 return PLUGIN_CATEGORY_FILTER;

  397.             if (LADSPA_RDF_IS_PLUGIN_FREQUENCY(category))

  398.                 return PLUGIN_CATEGORY_UTILITY;

  399.             if (LADSPA_RDF_IS_PLUGIN_SIMULATOR(category))

  400.                 return PLUGIN_CATEGORY_OTHER;

  401.             if (LADSPA_RDF_IS_PLUGIN_TIME(category))

  402.                 return PLUGIN_CATEGORY_DELAY;

  403.             if (LADSPA_RDF_IS_PLUGIN_GENERATOR(category))

  404.                 return PLUGIN_CATEGORY_SYNTH;

  405.         }

  406. 

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

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

  409.                 return PLUGIN_CATEGORY_SYNTH;

  410. 

  411.         return CarlaPlugin::getCategory();

  412.     }

  413. 

  414.     int64_t getUniqueId() const noexcept override

  415.     {

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

  417. 

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

  419.     }

  420. 

  421.     uint32_t getLatencyInFrames() const noexcept override

  422.     {

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

  424.             return 0;

  425. 

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

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

  428. 

  429.         return static_cast<uint32_t>(latency);

  430.     }

  431. 

  432.     // -------------------------------------------------------------------

  433.     // Information (count)

  434. 

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

  436.     {

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

  438. 

  439.         if (fRdfDescriptor == nullptr)

  440.             return 0;

  441. 

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

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

  444. 

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

  446.             return 0;

  447. 

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

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

  450.     }

  451. 

  452.     // -------------------------------------------------------------------

  453.     // Information (current data)

  454. 

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

  456.     {

  457.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  463. 

  464.         *dataPtr = nullptr;

  465. 

  466.         int ret = 0;

  467.         ulong dataSize = 0;

  468. 

  469.         try {

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

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

  472. 

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

  474.     }

  475. 

  476.     // -------------------------------------------------------------------

  477.     // Information (per-plugin data)

  478. 

  479.     uint getOptionsAvailable() const noexcept override

  480.     {

  481.         uint options = 0x0;

  482. 

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

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

  485.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  486. 

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

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

  489.             pass();

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

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

  492.             options |= PLUGIN_OPTION_FORCE_STEREO;

  493. 

  494.         if (fDssiDescriptor != nullptr)

  495.         {

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

  497.                 options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  498. 

  499.             if (fUsesCustomData)

  500.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  501. 

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

  503.             {

  504.                 options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  505.                 options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  506.                 options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  507.                 options |= PLUGIN_OPTION_SEND_PITCHBEND;

  508.                 options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  509.                 options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  510.             }

  511.         }

  512. 

  513.         return options;

  514.     }

  515. 

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

  517.     {

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

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

  520. 

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

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

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

  524. 

  525.         // not output, should be fine

  526.         return fParamBuffers[parameterId];

  527.     }

  528. 

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

  530.     {

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

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

  533. 

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

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

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

  537. 

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

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

  540. 

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

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

  543.     }

  544. 

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

  546.     {

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

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

  549. 

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

  551.         return true;

  552.     }

  553. 

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

  555.     {

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

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

  558. 

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

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

  561.         else

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

  563. 

  564.         return true;

  565.     }

  566. 

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

  568.     {

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

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

  571. 

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

  573.         return true;

  574.     }

  575. 

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

  577.     {

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

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

  580. 

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

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

  583.         else

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

  585. 

  586.         return true;

  587.     }

  588. 

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

  590.     {

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

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

  593. 

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

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

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

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

  598. 

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

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

  601. 

  602.         return true;

  603.     }

  604. 

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

  606.     {

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

  608. 

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

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

  611. 

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

  613.         {

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

  615. 

  616.             if (LADSPA_RDF_PORT_HAS_UNIT(port.Hints))

  617.             {

  618.                 switch (port.Unit)

  619.                 {

  620.                 case LADSPA_RDF_UNIT_DB:

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

  622.                     return true;

  623.                 case LADSPA_RDF_UNIT_COEF:

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

  625.                     return true;

  626.                 case LADSPA_RDF_UNIT_HZ:

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

  628.                     return true;

  629.                 case LADSPA_RDF_UNIT_S:

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

  631.                     return true;

  632.                 case LADSPA_RDF_UNIT_MS:

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

  634.                     return true;

  635.                 case LADSPA_RDF_UNIT_MIN:

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

  637.                     return true;

  638.                 }

  639.             }

  640.         }

  641. 

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

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

  644. 

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

  646.     }

  647. 

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

  649.     {

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

  651. 

  652.         if (fRdfDescriptor == nullptr)

  653.             return false;

  654. 

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

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

  657. 

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

  659.             return false;

  660. 

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

  662. 

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

  664.             return false;

  665. 

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

  667. 

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

  669.         return true;

  670.     }

  671. 

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

  673.     {

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

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

  676. 

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

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

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

  680. 

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

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

  683. 

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

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

  686. 

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

  688.         return true;

  689.     }

  690. 

  691.     // -------------------------------------------------------------------

  692.     // Set data (state)

  693. 

  694.     // nothing

  695. 

  696.     // -------------------------------------------------------------------

  697.     // Set data (internal stuff)

  698. 

  699.     void setId(const uint newId) noexcept override

  700.     {

  701.         CarlaPlugin::setId(newId);

  702. 

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

  704.         // FIXME - must be RT safe

  705.         showCustomUI(false);

  706.     }

  707. 

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

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

  710. 

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

  712.     {

  713.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  715. 

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

  717.         fParamBuffers[parameterId] = fixedValue;

  718. 

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

  720.     }

  721. 

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

  723.     {

  724.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  726. 

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

  728.         fParamBuffers[parameterId] = fixedValue;

  729. 

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

  731.     }

  732. 

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

  734.     {

  735.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  738.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  740. 

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

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

  743. 

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

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

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

  747. 

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

  749.         {

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

  751.             {

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

  753.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  754. 

  755.                 try {

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

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

  758.             }

  759.         }

  760. 

  761.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

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

  763.             osc_send_configure(fOscData, key, value);

  764.        #endif

  765. 

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

  767.         {

  768.             const ScopedSingleProcessLocker spl(this, true);

  769.             reloadPrograms(false);

  770.         }

  771. 

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

  773.     }

  774. 

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

  776.     {

  777.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  779.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  781.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  782.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  783. 

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

  785.         {

  786.             const ScopedSingleProcessLocker spl(this, true);

  787. 

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

  789.             {

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

  791.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  792. 

  793.                 try {

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

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

  796.             }

  797.         }

  798. 

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

  800.     }

  801. 

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

  803.     {

  804.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  808. 

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

  810.         {

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

  812. 

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

  814.         }

  815. 

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

  817.     }

  818. 

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

  820.     {

  821.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  824. 

  825.         setMidiProgramInDSSI(uindex);

  826. 

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

  828.     }

  829. 

  830.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  831.     {

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

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

  834. 

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

  836.         {

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

  838.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  839. 

  840.             try {

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

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

  843.         }

  844.     }

  845. 

  846.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  847.     // -------------------------------------------------------------------

  848.     // Set ui stuff

  849. 

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

  851.     {

  852.         fThreadUI.setUITitle(title);

  853.         CarlaPlugin::setCustomUITitle(title);

  854.     }

  855. 

  856.     void showCustomUI(const bool yesNo) override

  857.     {

  858.         if (yesNo)

  859.         {

  860.             fOscData.clear();

  861.             fThreadUI.startThread();

  862.         }

  863.         else

  864.         {

  865.            #ifndef BUILD_BRIDGE

  866.             pData->transientTryCounter = 0;

  867.            #endif

  868. 

  869.             if (fOscData.target != nullptr)

  870.             {

  871.                 osc_send_hide(fOscData);

  872.                 osc_send_quit(fOscData);

  873.                 fOscData.clear();

  874.             }

  875. 

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

  877.         }

  878.     }

  879.    #endif

  880. 

  881.     // -------------------------------------------------------------------

  882.     // Plugin state

  883. 

  884.     void reload() override

  885.     {

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

  887.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

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

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

  890. 

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

  892. 

  893.         // Safely disable plugin for reload

  894.         const ScopedDisabler sd(this);

  895. 

  896.         if (pData->active)

  897.             deactivate();

  898. 

  899.         clearBuffers();

  900. 

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

  902.         const uint32_t portCount(getSafePortCount());

  903. 

  904.         uint32_t aIns, aOuts, mIns, params;

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

  906. 

  907.         bool forcedStereoIn, forcedStereoOut;

  908.         forcedStereoIn = forcedStereoOut = false;

  909. 

  910.         bool needsCtrlIn, needsCtrlOut;

  911.         needsCtrlIn = needsCtrlOut = false;

  912. 

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

  914.         {

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

  916. 

  917.             if (LADSPA_IS_PORT_AUDIO(portType))

  918.             {

  919.                 if (LADSPA_IS_PORT_INPUT(portType))

  920.                     aIns += 1;

  921.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  922.                     aOuts += 1;

  923.             }

  924.             else if (LADSPA_IS_PORT_CONTROL(portType))

  925.                 params += 1;

  926.         }

  927. 

  928.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  929.         {

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

  931.             {

  932.                 if (aIns == 1)

  933.                 {

  934.                     aIns = 2;

  935.                     forcedStereoIn = true;

  936.                 }

  937.                 if (aOuts == 1)

  938.                 {

  939.                     aOuts = 2;

  940.                     forcedStereoOut = true;

  941.                 }

  942.             }

  943.         }

  944. 

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

  946.         {

  947.             mIns = 1;

  948.             needsCtrlIn = true;

  949.         }

  950. 

  951.         if (aIns > 0)

  952.         {

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

  954.             fAudioInBuffers = new float*[aIns];

  955. 

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

  957.                 fAudioInBuffers[i] = nullptr;

  958.         }

  959. 

  960.         if (aOuts > 0)

  961.         {

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

  963.             fAudioOutBuffers = new float*[aOuts];

  964.             needsCtrlIn = true;

  965. 

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

  967.                 fAudioOutBuffers[i] = nullptr;

  968.         }

  969. 

  970.         if (params > 0)

  971.         {

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

  973. 

  974.             fParamBuffers = new float[params];

  975.             carla_zeroFloats(fParamBuffers, params);

  976.         }

  977. 

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

  979.         CarlaString portName;

  980. 

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

  982.         {

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

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

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

  986. 

  987.             if (LADSPA_IS_PORT_AUDIO(portType))

  988.             {

  989.                 portName.clear();

  990. 

  991.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  992.                 {

  993.                     portName  = pData->name;

  994.                     portName += ":";

  995.                 }

  996. 

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

  998.                 {

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

  1000.                 }

  1001.                 else

  1002.                 {

  1003.                     if (LADSPA_IS_PORT_INPUT(portType))

  1004.                     {

  1005.                         if (aIns > 1)

  1006.                         {

  1007.                             portName += "audio-in_";

  1008.                             portName += CarlaString(iAudioIn+1);

  1009.                         }

  1010.                         else

  1011.                             portName += "audio-in";

  1012.                     }

  1013.                     else

  1014.                     {

  1015.                         if (aOuts > 1)

  1016.                         {

  1017.                             portName += "audio-out_";

  1018.                             portName += CarlaString(iAudioOut+1);

  1019.                         }

  1020.                         else

  1021.                             portName += "audio-out";

  1022.                     }

  1023.                 }

  1024. 

  1025.                 portName.truncate(portNameSize);

  1026. 

  1027.                 if (LADSPA_IS_PORT_INPUT(portType))

  1028.                 {

  1029.                     const uint32_t j = iAudioIn++;

  1030.                     pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1031.                     pData->audioIn.ports[j].rindex = i;

  1032. 

  1033.                     if (forcedStereoIn)

  1034.                     {

  1035.                         portName += "_2";

  1036.                         pData->audioIn.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1);

  1037.                         pData->audioIn.ports[1].rindex = i;

  1038.                     }

  1039.                 }

  1040.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1041.                 {

  1042.                     const uint32_t j = iAudioOut++;

  1043.                     pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1044.                     pData->audioOut.ports[j].rindex = i;

  1045. 

  1046.                     if (forcedStereoOut)

  1047.                     {

  1048.                         portName += "_2";

  1049.                         pData->audioOut.ports[1].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1);

  1050.                         pData->audioOut.ports[1].rindex = i;

  1051.                     }

  1052.                 }

  1053.                 else

  1054.                     carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)");

  1055.             }

  1056.             else if (LADSPA_IS_PORT_CONTROL(portType))

  1057.             {

  1058.                 const uint32_t j = iCtrl++;

  1059.                 pData->param.data[j].index  = static_cast<int32_t>(j);

  1060.                 pData->param.data[j].rindex = static_cast<int32_t>(i);

  1061. 

  1062.                 const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown");

  1063. 

  1064.                 float min, max, def, step, stepSmall, stepLarge;

  1065. 

  1066.                 // min value

  1067.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  1068.                     min = portRangeHints.LowerBound;

  1069.                 else

  1070.                     min = 0.0f;

  1071. 

  1072.                 // max value

  1073.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  1074.                     max = portRangeHints.UpperBound;

  1075.                 else

  1076.                     max = 1.0f;

  1077. 

  1078.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  1079.                 {

  1080.                     min *= sampleRate;

  1081.                     max *= sampleRate;

  1082.                     pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  1083.                 }

  1084. 

  1085.                 if (min >= max)

  1086.                 {

  1087.                     carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", paramName);

  1088.                     max = min + 0.1f;

  1089.                 }

  1090. 

  1091.                 // default value

  1092.                 if (hasPortRDF && LADSPA_RDF_PORT_HAS_DEFAULT(fRdfDescriptor->Ports[i].Hints))

  1093.                     def = fRdfDescriptor->Ports[i].Default;

  1094.                 else

  1095.                     def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max);

  1096. 

  1097.                 if (def < min)

  1098.                     def = min;

  1099.                 else if (def > max)

  1100.                     def = max;

  1101. 

  1102.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  1103.                 {

  1104.                     step = max - min;

  1105.                     stepSmall = step;

  1106.                     stepLarge = step;

  1107.                     pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  1108.                 }

  1109.                 else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor))

  1110.                 {

  1111.                     step = 1.0f;

  1112.                     stepSmall = 1.0f;

  1113.                     stepLarge = 10.0f;

  1114.                     pData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  1115.                 }

  1116.                 else

  1117.                 {

  1118.                     const float range = max - min;

  1119.                     step = range/100.0f;

  1120.                     stepSmall = range/1000.0f;

  1121.                     stepLarge = range/10.0f;

  1122.                 }

  1123. 

  1124.                 if (LADSPA_IS_PORT_INPUT(portType))

  1125.                 {

  1126.                     pData->param.data[j].type   = PARAMETER_INPUT;

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

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

  1129.                     pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED;

  1130.                     needsCtrlIn = true;

  1131. 

  1132.                     // MIDI CC value

  1133.                     if (fDssiDescriptor != nullptr && fDssiDescriptor->get_midi_controller_for_port != nullptr)

  1134.                     {

  1135.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  1136.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  1137.                         {

  1138.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  1139.                             if (cc < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1140.                                 pData->param.data[j].mappedControlIndex = cc;

  1141.                         }

  1142.                     }

  1143.                 }

  1144.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1145.                 {

  1146.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1147. 

  1148.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1149.                     {

  1150.                         min = 0.0f;

  1151.                         max = sampleRate;

  1152.                         def = 0.0f;

  1153.                         step = 1.0f;

  1154.                         stepSmall = 1.0f;

  1155.                         stepLarge = 1.0f;

  1156.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1157.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  1158.                     }

  1159.                     else

  1160.                     {

  1161.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1162.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMATABLE;

  1163.                         needsCtrlOut = true;

  1164.                     }

  1165.                 }

  1166.                 else

  1167.                 {

  1168.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1169.                 }

  1170. 

  1171.                 // extra parameter hints

  1172.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  1174. 

  1175.                 // check for scalepoints, require at least 2 to make it useful

  1176.                 if (hasPortRDF && fRdfDescriptor->Ports[i].ScalePointCount >= 2)

  1177.                     pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS;

  1178. 

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

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

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

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

  1183.                 pData->param.ranges[j].stepSmall = stepSmall;

  1184.                 pData->param.ranges[j].stepLarge = stepLarge;

  1185. 

  1186.                 // Start parameters in their default values

  1187.                 fParamBuffers[j] = def;

  1188. 

  1189.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1190.                 {

  1191.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1192.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1193. 

  1194.                     try {

  1195.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1196.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (parameter)");

  1197.                 }

  1198.             }

  1199.             else

  1200.             {

  1201.                 // Not Audio or Control

  1202.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1203. 

  1204.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1205.                 {

  1206.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1207.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1208. 

  1209.                     try {

  1210.                         fDescriptor->connect_port(handle, i, nullptr);

  1211.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (null)");

  1212.                 }

  1213.             }

  1214.         }

  1215. 

  1216.         if (needsCtrlIn)

  1217.         {

  1218.             portName.clear();

  1219. 

  1220.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1221.             {

  1222.                 portName  = pData->name;

  1223.                 portName += ":";

  1224.             }

  1225. 

  1226.             portName += "events-in";

  1227.             portName.truncate(portNameSize);

  1228. 

  1229.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1230.            #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1231.             pData->event.cvSourcePorts = pData->client->createCVSourcePorts();

  1232.            #endif

  1233.         }

  1234. 

  1235.         if (needsCtrlOut)

  1236.         {

  1237.             portName.clear();

  1238. 

  1239.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1240.             {

  1241.                 portName  = pData->name;

  1242.                 portName += ":";

  1243.             }

  1244. 

  1245.             portName += "events-out";

  1246.             portName.truncate(portNameSize);

  1247. 

  1248.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1249.         }

  1250. 

  1251.         if (forcedStereoIn || forcedStereoOut)

  1252.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1253.         else

  1254.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1255. 

  1256.         // plugin hints

  1257.         pData->hints = 0x0;

  1258. 

  1259.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1260.             pData->hints |= PLUGIN_IS_RTSAFE;

  1261. 

  1262.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  1263.         if (fUiFilename != nullptr)

  1264.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1265.        #endif

  1266. 

  1267.        #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1268.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1269.             pData->hints |= PLUGIN_CAN_DRYWET;

  1270. 

  1271.         if (aOuts > 0)

  1272.             pData->hints |= PLUGIN_CAN_VOLUME;

  1273. 

  1274.         if (aOuts >= 2 && aOuts % 2 == 0)

  1275.             pData->hints |= PLUGIN_CAN_BALANCE;

  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.                 // Balance

  2090.                 if (doBalance)

  2091.                 {

  2092.                     isPair = (i % 2 == 0);

  2093. 

  2094.                     if (isPair)

  2095.                     {

  2096.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  2097.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  2098.                     }

  2099. 

  2100.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  2101.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  2102. 

  2103.                     for (uint32_t k=0; k < frames; ++k)

  2104.                     {

  2105.                         if (isPair)

  2106.                         {

  2107.                             // left

  2108.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  2109.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  2110.                         }

  2111.                         else

  2112.                         {

  2113.                             // right

  2114.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2115.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2116.                         }

  2117.                     }

  2118.                 }

  2119. 

  2120.                 // Volume (and buffer copy)

  2121.                 {

  2122.                     for (uint32_t k=0; k < frames; ++k)

  2123.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2124.                 }

  2125.             }

  2126. 

  2127.         } // End of Post-processing

  2128. 

  2129. # ifndef BUILD_BRIDGE

  2130.         // --------------------------------------------------------------------------------------------------------

  2131.         // Save latency values for next callback

  2132. 

  2133.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  2134.         {

  2135.             CARLA_SAFE_ASSERT(timeOffset == 0);

  2136.             const uint32_t latframes = pData->latency.frames;

  2137. 

  2138.             if (latframes <= frames)

  2139.             {

  2140.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2141.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  2142.             }

  2143.             else

  2144.             {

  2145.                 const uint32_t diff = latframes - frames;

  2146. 

  2147.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  2148.                 {

  2149.                     // push back buffer by 'frames'

  2150.                     for (k=0; k < diff; ++k)

  2151.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  2152. 

  2153.                     // put current input at the end

  2154.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  2155.                         pData->latency.buffers[i][k] = audioIn[i][j];

  2156.                 }

  2157.             }

  2158.         }

  2159. # endif

  2160. #else // BUILD_BRIDGE_ALTERNATIVE_ARCH

  2161.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2162.         {

  2163.             for (uint32_t k=0; k < frames; ++k)

  2164.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2165.         }

  2166. #endif

  2167. 

  2168.         // --------------------------------------------------------------------------------------------------------

  2169. 

  2170.         pData->singleMutex.unlock();

  2171.         return true;

  2172.     }

  2173. 

  2174.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2175.     {

  2176.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2177.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2178. 

  2179.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2180.         {

  2181.             if (fAudioInBuffers[i] != nullptr)

  2182.                 delete[] fAudioInBuffers[i];

  2183. 

  2184.             fAudioInBuffers[i] = new float[newBufferSize];

  2185.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  2186.         }

  2187. 

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

  2189.         {

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

  2191.                 delete[] fAudioOutBuffers[i];

  2192. 

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

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

  2195.         }

  2196. 

  2197.         if (fExtraStereoBuffer[0] != nullptr)

  2198.         {

  2199.             delete[] fExtraStereoBuffer[0];

  2200.             fExtraStereoBuffer[0] = nullptr;

  2201.         }

  2202. 

  2203.         if (fExtraStereoBuffer[1] != nullptr)

  2204.         {

  2205.             delete[] fExtraStereoBuffer[1];

  2206.             fExtraStereoBuffer[1] = nullptr;

  2207.         }

  2208. 

  2209.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2210.         {

  2211.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2212.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2213.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2214.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2215.         }

  2216. 

  2217.         reconnectAudioPorts();

  2218. 

  2219.         carla_debug("CarlaPluginLADSPADSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2220. 

  2221.         CarlaPlugin::bufferSizeChanged(newBufferSize);

  2222.     }

  2223. 

  2224.     void sampleRateChanged(const double newSampleRate) override

  2225.     {

  2226.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2227.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - start", newSampleRate);

  2228. 

  2229.         // TODO - handle UI stuff

  2230. 

  2231.         if (pData->active)

  2232.             deactivate();

  2233. 

  2234.         const std::size_t instanceCount(fHandles.count());

  2235. 

  2236.         if (fDescriptor->cleanup != nullptr)

  2237.         {

  2238.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2239.             {

  2240.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2241.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2242. 

  2243.                 try {

  2244.                     fDescriptor->cleanup(handle);

  2245.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  2246.             }

  2247.         }

  2248. 

  2249.         fHandles.clear();

  2250. 

  2251.         for (std::size_t i=0; i<instanceCount; ++i)

  2252.             addInstance();

  2253. 

  2254.         reconnectAudioPorts();

  2255. 

  2256.         if (pData->active)

  2257.             activate();

  2258. 

  2259.         carla_debug("CarlaPluginLADSPADSSI::sampleRateChanged(%g) - end", newSampleRate);

  2260.     }

  2261. 

  2262.     void reconnectAudioPorts() const noexcept

  2263.     {

  2264.         if (fForcedStereoIn)

  2265.         {

  2266.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2267.             {

  2268.                 try {

  2269.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2270.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, first)");

  2271.             }

  2272. 

  2273.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2274.             {

  2275.                 try {

  2276.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2277.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo input, last)");

  2278.             }

  2279.         }

  2280.         else

  2281.         {

  2282.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2283.             {

  2284.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2285.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2286. 

  2287.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2288.                 {

  2289.                     try {

  2290.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2291.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio input)");

  2292.                 }

  2293.             }

  2294.         }

  2295. 

  2296.         if (fForcedStereoOut)

  2297.         {

  2298.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2299.             {

  2300.                 try {

  2301.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2302.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, first)");

  2303.             }

  2304. 

  2305.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2306.             {

  2307.                 try {

  2308.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2309.                 } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (forced stereo output, last)");

  2310.             }

  2311.         }

  2312.         else

  2313.         {

  2314.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2315.             {

  2316.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2317.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2318. 

  2319.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2320.                 {

  2321.                     try {

  2322.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2323.                     } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port (audio output)");

  2324.                 }

  2325.             }

  2326.         }

  2327.     }

  2328. 

  2329.     // -------------------------------------------------------------------

  2330.     // Plugin buffers

  2331. 

  2332.     void clearBuffers() noexcept override

  2333.     {

  2334.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - start");

  2335. 

  2336.         if (fAudioInBuffers != nullptr)

  2337.         {

  2338.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2339.             {

  2340.                 if (fAudioInBuffers[i] != nullptr)

  2341.                 {

  2342.                     delete[] fAudioInBuffers[i];

  2343.                     fAudioInBuffers[i] = nullptr;

  2344.                 }

  2345.             }

  2346. 

  2347.             delete[] fAudioInBuffers;

  2348.             fAudioInBuffers = nullptr;

  2349.         }

  2350. 

  2351.         if (fAudioOutBuffers != nullptr)

  2352.         {

  2353.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2354.             {

  2355.                 if (fAudioOutBuffers[i] != nullptr)

  2356.                 {

  2357.                     delete[] fAudioOutBuffers[i];

  2358.                     fAudioOutBuffers[i] = nullptr;

  2359.                 }

  2360.             }

  2361. 

  2362.             delete[] fAudioOutBuffers;

  2363.             fAudioOutBuffers = nullptr;

  2364.         }

  2365. 

  2366.         if (fExtraStereoBuffer[0] != nullptr)

  2367.         {

  2368.             delete[] fExtraStereoBuffer[0];

  2369.             fExtraStereoBuffer[0] = nullptr;

  2370.         }

  2371. 

  2372.         if (fExtraStereoBuffer[1] != nullptr)

  2373.         {

  2374.             delete[] fExtraStereoBuffer[1];

  2375.             fExtraStereoBuffer[1] = nullptr;

  2376.         }

  2377. 

  2378.         if (fParamBuffers != nullptr)

  2379.         {

  2380.             delete[] fParamBuffers;

  2381.             fParamBuffers = nullptr;

  2382.         }

  2383. 

  2384.         CarlaPlugin::clearBuffers();

  2385. 

  2386.         carla_debug("CarlaPluginLADSPADSSI::clearBuffers() - end");

  2387.     }

  2388. 

  2389.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2390.     // -------------------------------------------------------------------

  2391.     // OSC stuff

  2392. 

  2393.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, void* const msg) override

  2394.     {

  2395.         const lo_address source = lo_message_get_source(static_cast<lo_message>(msg));

  2396.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2397. 

  2398.         // protocol for DSSI UIs *must* be UDP

  2399.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2400. 

  2401.         if (fOscData.source == nullptr)

  2402.         {

  2403.             // if no UI is registered yet only "configure" and "update" messages are valid

  2404.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2405.         }

  2406.         else

  2407.         {

  2408.             // make sure message source is the DSSI UI

  2409.             const char* const msghost = lo_address_get_hostname(source);

  2410.             const char* const msgport = lo_address_get_port(source);

  2411. 

  2412.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2413.             const char* const ourport = lo_address_get_port(fOscData.source);

  2414. 

  2415.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2416.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2417.         }

  2418. 

  2419.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2420. 

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

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

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

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

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

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

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

  2428.             return handleOscMessageMIDI(argc, argv, types);

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

  2430.             return handleOscMessageUpdate(argc, argv, types, source);

  2431.         if (std::strcmp(method, "exiting") == 0)

  2432.             return handleOscMessageExiting();

  2433. 

  2434.         carla_stdout("CarlaPluginLADSPADSSI::handleOscMessage() - unknown method '%s'", method);

  2435.     }

  2436. 

  2437.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2438.     {

  2439.         carla_debug("CarlaPluginLADSPADSSI::handleMsgConfigure()");

  2440.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2441. 

  2442.         const char* const key   = (const char*)&argv[0]->s;

  2443.         const char* const value = (const char*)&argv[1]->s;

  2444. 

  2445.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2446.     }

  2447. 

  2448.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2449.     {

  2450.         carla_debug("CarlaPluginLADSPADSSI::handleMsgControl()");

  2451.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2452. 

  2453.         const int32_t rindex = argv[0]->i;

  2454.         const float   value  = argv[1]->f;

  2455. 

  2456.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2457.     }

  2458. 

  2459.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2460.     {

  2461.         carla_debug("CarlaPluginLADSPADSSI::handleMsgProgram()");

  2462.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2463. 

  2464.         const int32_t bank    = argv[0]->i;

  2465.         const int32_t program = argv[1]->i;

  2466. 

  2467.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2468.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2469. 

  2470.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2471.     }

  2472. 

  2473.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2474.     {

  2475.         carla_debug("CarlaPluginLADSPADSSI::handleMsgMidi()");

  2476.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2477. 

  2478.         if (getMidiInCount() == 0)

  2479.         {

  2480.             carla_stderr("CarlaPluginLADSPADSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2481.             return;

  2482.         }

  2483. 

  2484.         const uint8_t* const data = argv[0]->m;

  2485.         uint8_t status  = data[1];

  2486.         uint8_t channel = status & 0x0F;

  2487. 

  2488.         // Fix bad note-off

  2489.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2490.             status = MIDI_STATUS_NOTE_OFF;

  2491. 

  2492.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2493.         {

  2494.             const uint8_t note = data[2];

  2495. 

  2496.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2497. 

  2498.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2499.         }

  2500.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2501.         {

  2502.             const uint8_t note = data[2];

  2503.             const uint8_t velo = data[3];

  2504. 

  2505.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2506.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2507. 

  2508.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2509.         }

  2510.     }

  2511. 

  2512.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2513.     {

  2514.         carla_debug("CarlaPluginLADSPADSSI::handleMsgUpdate()");

  2515.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2516. 

  2517.         const char* const url = (const char*)&argv[0]->s;

  2518. 

  2519.         // FIXME - remove debug prints later

  2520.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData(%p, \"%s\")", source, url);

  2521. 

  2522.         fOscData.clear();

  2523. 

  2524.         const int proto = lo_address_get_protocol(source);

  2525. 

  2526.         {

  2527.             const char* host = lo_address_get_hostname(source);

  2528.             const char* port = lo_address_get_port(source);

  2529.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2530. 

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

  2532.         }

  2533. 

  2534.         {

  2535.             char* host = lo_url_get_hostname(url);

  2536.             char* port = lo_url_get_port(url);

  2537.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

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

  2539.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2540. 

  2541.             std::free(host);

  2542.             std::free(port);

  2543.         }

  2544. 

  2545.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2546. 

  2547.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2548.         {

  2549.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2550.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2551. 

  2552.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2553.                 osc_send_configure(fOscData, customData.key, customData.value);

  2554.         }

  2555. 

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

  2557.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2558. 

  2559.         if (pData->midiprog.current >= 0)

  2560.         {

  2561.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2562.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2563.         }

  2564. 

  2565.         for (uint32_t i=0; i < pData->param.count; ++i)

  2566.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2567. 

  2568.        #ifndef BUILD_BRIDGE

  2569.         if (pData->engine->getOptions().frontendWinId != 0)

  2570.             pData->transientTryCounter = 1;

  2571.        #endif

  2572. 

  2573.         carla_stdout("CarlaPluginLADSPADSSI::updateOscData() - done");

  2574.     }

  2575. 

  2576.     void handleOscMessageExiting()

  2577.     {

  2578.         carla_debug("CarlaPluginLADSPADSSI::handleMsgExiting()");

  2579. 

  2580.         // hide UI

  2581.         showCustomUI(false);

  2582. 

  2583.         // tell frontend

  2584.         pData->engine->callback(true, true,

  2585.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2586.                                 pData->id,

  2587.                                 0,

  2588.                                 0, 0, 0.0f, nullptr);

  2589.     }

  2590. 

  2591.     // -------------------------------------------------------------------

  2592.     // Post-poned UI Stuff

  2593. 

  2594.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2595.     {

  2596.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2597. 

  2598.         if (fOscData.target == nullptr)

  2599.             return;

  2600. 

  2601.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2602.     }

  2603. 

  2604.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2605.     {

  2606.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2607. 

  2608.         if (fOscData.target == nullptr)

  2609.             return;

  2610. 

  2611.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2612.     }

  2613. 

  2614.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2615.     {

  2616.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2617.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2618.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2619. 

  2620.         if (fOscData.target == nullptr)

  2621.             return;

  2622. 

  2623.        #if 0

  2624.         uint8_t midiData[4];

  2625.         midiData[0] = 0;

  2626.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2627.         midiData[2] = note;

  2628.         midiData[3] = velo;

  2629. 

  2630.         osc_send_midi(fOscData, midiData);

  2631.        #endif

  2632.     }

  2633. 

  2634.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2635.     {

  2636.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2637.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2638. 

  2639.         if (fOscData.target == nullptr)

  2640.             return;

  2641. 

  2642.        #if 0

  2643.         uint8_t midiData[4];

  2644.         midiData[0] = 0;

  2645.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2646.         midiData[2] = note;

  2647.         midiData[3] = 0;

  2648. 

  2649.         osc_send_midi(fOscData, midiData);

  2650.        #endif

  2651.     }

  2652.    #endif // CARLA_ENABLE_DSSI_PLUGIN_GUI

  2653. 

  2654.     // -------------------------------------------------------------------

  2655. 

  2656.     const void* getNativeDescriptor() const noexcept override

  2657.     {

  2658.         return fDssiDescriptor != nullptr

  2659.                ? (const void*)fDssiDescriptor

  2660.                : (const void*)fDescriptor;

  2661.     }

  2662. 

  2663.     const void* getExtraStuff() const noexcept override

  2664.     {

  2665.         if (fDssiDescriptor != nullptr)

  2666.         {

  2667.            #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2668.             return fUiFilename;

  2669.            #else

  2670.             return nullptr;

  2671.            #endif

  2672.         }

  2673.         return fRdfDescriptor;

  2674.     }

  2675. 

  2676.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2677.     uintptr_t getUiBridgeProcessId() const noexcept override

  2678.     {

  2679.         return fThreadUI.getProcessId();

  2680.     }

  2681.    #endif

  2682. 

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

  2684. 

  2685.     bool initLADSPA(const CarlaPluginPtr plugin,

  2686.                     const char* const filename, const char* name, const char* const label, const uint options,

  2687.                     const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2688.     {

  2689.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2690. 

  2691.         // ---------------------------------------------------------------

  2692.         // first checks

  2693. 

  2694.         if (pData->client != nullptr)

  2695.         {

  2696.             pData->engine->setLastError("Plugin client is already registered");

  2697.             return false;

  2698.         }

  2699. 

  2700.         if (filename == nullptr || filename[0] == '\0')

  2701.         {

  2702.             pData->engine->setLastError("null filename");

  2703.             return false;

  2704.         }

  2705. 

  2706.         // ---------------------------------------------------------------

  2707.         // open DLL

  2708. 

  2709.         if (! pData->libOpen(filename))

  2710.         {

  2711.             pData->engine->setLastError(pData->libError(filename));

  2712.             return false;

  2713.         }

  2714. 

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

  2716.         // get DLL main entry

  2717. 

  2718.         const LADSPA_Descriptor_Function descFn = pData->libSymbol<LADSPA_Descriptor_Function>("ladspa_descriptor");

  2719. 

  2720.         if (descFn == nullptr)

  2721.         {

  2722.             pData->engine->setLastError("Could not find the LASDPA Descriptor in the plugin library");

  2723.             return false;

  2724.         }

  2725. 

  2726.         // ---------------------------------------------------------------

  2727.         // get descriptor that matches label

  2728. 

  2729.         // if label is null, get first valid plugin

  2730.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2731. 

  2732.         for (ulong d=0;; ++d)

  2733.         {

  2734.             try {

  2735.                 fDescriptor = descFn(d);

  2736.             }

  2737.             catch(...) {

  2738.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2739.                 fDescriptor = nullptr;

  2740.                 break;

  2741.             }

  2742. 

  2743.             if (fDescriptor == nullptr)

  2744.                 break;

  2745. 

  2746.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2747.             {

  2748.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2749.                 fDescriptor = nullptr;

  2750.                 break;

  2751.             }

  2752.             if (fDescriptor->run == nullptr)

  2753.             {

  2754.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2755.                 fDescriptor = nullptr;

  2756.                 break;

  2757.             }

  2758. 

  2759.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2760.                 break;

  2761.         }

  2762. 

  2763.         if (fDescriptor == nullptr)

  2764.         {

  2765.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2766.             return false;

  2767.         }

  2768. 

  2769.         return init2(plugin, filename, name, options, rdfDescriptor);

  2770.     }

  2771. 

  2772.     bool initDSSI(const CarlaPluginPtr plugin,

  2773.                   const char* const filename, const char* name, const char* const label, const uint options)

  2774.     {

  2775.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2776. 

  2777.         // ---------------------------------------------------------------

  2778.         // first checks

  2779. 

  2780.         if (pData->client != nullptr)

  2781.         {

  2782.             pData->engine->setLastError("Plugin client is already registered");

  2783.             return false;

  2784.         }

  2785. 

  2786.         if (filename == nullptr || filename[0] == '\0')

  2787.         {

  2788.             pData->engine->setLastError("null filename");

  2789.             return false;

  2790.         }

  2791. 

  2792.         // ---------------------------------------------------------------

  2793.         // open DLL

  2794. 

  2795.         if (! pData->libOpen(filename))

  2796.         {

  2797.             pData->engine->setLastError(pData->libError(filename));

  2798.             return false;

  2799.         }

  2800. 

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

  2802.         // get DLL main entry

  2803. 

  2804.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2805. 

  2806.         if (descFn == nullptr)

  2807.         {

  2808.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2809.             return false;

  2810.         }

  2811. 

  2812.         // ---------------------------------------------------------------

  2813.         // get descriptor that matches label

  2814. 

  2815.         // if label is null, get first valid plugin

  2816.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2817. 

  2818.         for (ulong d=0;; ++d)

  2819.         {

  2820.             try {

  2821.                 fDssiDescriptor = descFn(d);

  2822.             }

  2823.             catch(...) {

  2824.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2825.                 fDescriptor     = nullptr;

  2826.                 fDssiDescriptor = nullptr;

  2827.                 break;

  2828.             }

  2829. 

  2830.             if (fDssiDescriptor == nullptr)

  2831.                 break;

  2832. 

  2833.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2834. 

  2835.             if (fDescriptor == nullptr)

  2836.             {

  2837.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2838.                 fDssiDescriptor = nullptr;

  2839.                 break;

  2840.             }

  2841.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2842.             {

  2843.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2844.                 fDescriptor     = nullptr;

  2845.                 fDssiDescriptor = nullptr;

  2846.                 break;

  2847.             }

  2848.             if (fDescriptor->run == nullptr)

  2849.             {

  2850.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2851.                 fDescriptor     = nullptr;

  2852.                 fDssiDescriptor = nullptr;

  2853.                 break;

  2854.             }

  2855. 

  2856.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2857.                 break;

  2858.         }

  2859. 

  2860.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2861.         {

  2862.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2863.             return false;

  2864.         }

  2865. 

  2866.         // ---------------------------------------------------------------

  2867.         // check if uses global instance

  2868. 

  2869.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2870.         {

  2871.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2872.             return false;

  2873.         }

  2874. 

  2875.         return init2(plugin, filename, name, options, nullptr);

  2876.     }

  2877. 

  2878.     bool init2(const CarlaPluginPtr plugin,

  2879.                const char* const filename, const char* name, const uint options,

  2880.                const LADSPA_RDF_Descriptor* const rdfDescriptor)

  2881.     {

  2882.         // ---------------------------------------------------------------

  2883.         // check for fixed buffer size requirement

  2884. 

  2885.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2886. 

  2887.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2888.         {

  2889.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2890.                                         "The plugin requires a fixed block size which is not possible right now.");

  2891.             return false;

  2892.         }

  2893. 

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

  2895.         // get info

  2896. 

  2897.         if (is_ladspa_rdf_descriptor_valid(rdfDescriptor, fDescriptor))

  2898.             fRdfDescriptor = ladspa_rdf_dup(rdfDescriptor);

  2899. 

  2900.         if (name == nullptr || name[0] == '\0')

  2901.         {

  2902.             /**/ if (fRdfDescriptor != nullptr && fRdfDescriptor->Title != nullptr && fRdfDescriptor->Title[0] != '\0')

  2903.                 name = fRdfDescriptor->Title;

  2904.             else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2905.                 name = fDescriptor->Name;

  2906.             else

  2907.                 name = fDescriptor->Label;

  2908.         }

  2909. 

  2910.         pData->name = pData->engine->getUniquePluginName(name);

  2911.         pData->filename = carla_strdup(filename);

  2912. 

  2913.         // ---------------------------------------------------------------

  2914.         // register client

  2915. 

  2916.         pData->client = pData->engine->addClient(plugin);

  2917. 

  2918.         if (pData->client == nullptr || ! pData->client->isOk())

  2919.         {

  2920.             pData->engine->setLastError("Failed to register plugin client");

  2921.             return false;

  2922.         }

  2923. 

  2924.         // ---------------------------------------------------------------

  2925.         // initialize plugin

  2926. 

  2927.         if (! addInstance())

  2928.             return false;

  2929. 

  2930.         // ---------------------------------------------------------------

  2931.         // find latency port index

  2932. 

  2933.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2934.         {

  2935.             const int portType(fDescriptor->PortDescriptors[i]);

  2936. 

  2937.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2938.                 continue;

  2939. 

  2940.             const uint32_t index(iCtrl++);

  2941. 

  2942.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2943.                 continue;

  2944. 

  2945.             const char* const portName(fDescriptor->PortNames[i]);

  2946.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2947. 

  2948.             if (std::strcmp(portName, "latency")  == 0 ||

  2949.                 std::strcmp(portName, "_latency") == 0)

  2950.             {

  2951.                 fLatencyIndex = static_cast<int32_t>(index);

  2952.                 break;

  2953.             }

  2954.         }

  2955. 

  2956.         // ---------------------------------------------------------------

  2957.         // check for custom data extension

  2958. 

  2959.         if (fDssiDescriptor != nullptr && fDssiDescriptor->configure != nullptr)

  2960.         {

  2961.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2962.             {

  2963.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2964.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2965.                     fUsesCustomData = true;

  2966. 

  2967.                 std::free(error);

  2968.             }

  2969.         }

  2970. 

  2971.         // ---------------------------------------------------------------

  2972.         // get engine options

  2973. 

  2974.         const EngineOptions& opts(pData->engine->getOptions());

  2975. 

  2976.        #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  2977.         // ---------------------------------------------------------------

  2978.         // check for gui

  2979. 

  2980.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2981.         {

  2982.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2983.             {

  2984.                 fUiFilename = guiFilename;

  2985. 

  2986.                 CarlaString uiTitle;

  2987. 

  2988.                 if (pData->uiTitle.isNotEmpty())

  2989.                 {

  2990.                     uiTitle = pData->uiTitle;

  2991.                 }

  2992.                 else

  2993.                 {

  2994.                     uiTitle  = pData->name;

  2995.                     uiTitle += " (GUI)";

  2996.                 }

  2997. 

  2998.                 fThreadUI.setData(guiFilename, fDescriptor->Label, uiTitle);

  2999.             }

  3000.         }

  3001.        #endif

  3002. 

  3003.         // ---------------------------------------------------------------

  3004.         // set options

  3005. 

  3006.         pData->options = 0x0;

  3007. 

  3008.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  3009.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3010.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  3011.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  3012. 

  3013.         /**/ if (opts.forceStereo)

  3014.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3015.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  3016.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  3017. 

  3018.         if (fDssiDescriptor != nullptr)

  3019.         {

  3020.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  3021.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES))

  3022.                     pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  3023. 

  3024.             if (fUsesCustomData)

  3025.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_USE_CHUNKS))

  3026.                     pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  3027. 

  3028.             if (fDssiDescriptor->run_synth != nullptr)

  3029.             {

  3030.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES))

  3031.                     pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  3032.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE))

  3033.                     pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  3034.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH))

  3035.                     pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  3036.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND))

  3037.                     pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  3038.                 if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF))

  3039.                     pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  3040.                 if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES))

  3041.                     pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES;

  3042.             }

  3043.         }

  3044. 

  3045.         return true;

  3046.     }

  3047. 

  3048.     // -------------------------------------------------------------------

  3049. 

  3050. private:

  3051.     LinkedList<LADSPA_Handle>    fHandles;

  3052.     const LADSPA_Descriptor*     fDescriptor;

  3053.     const DSSI_Descriptor*       fDssiDescriptor;

  3054.     const LADSPA_RDF_Descriptor* fRdfDescriptor;

  3055. 

  3056.     float** fAudioInBuffers;

  3057.     float** fAudioOutBuffers;

  3058.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  3059.     float*  fParamBuffers;

  3060. 

  3061.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  3062. 

  3063.     int32_t fLatencyIndex; // -1 if invalid

  3064.     bool    fForcedStereoIn;

  3065.     bool    fForcedStereoOut;

  3066.     bool    fNeedsFixedBuffers;

  3067.     bool    fUsesCustomData;

  3068. 

  3069.    #ifdef CARLA_ENABLE_DSSI_PLUGIN_GUI

  3070.     CarlaOscData      fOscData;

  3071.     CarlaThreadDSSIUI fThreadUI;

  3072.     const char*       fUiFilename;

  3073.    #endif

  3074. 

  3075.     // -------------------------------------------------------------------

  3076. 

  3077.     bool addInstance()

  3078.     {

  3079.         LADSPA_Handle handle;

  3080. 

  3081.         try {

  3082.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  3083.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA/DSSI instantiate", "Plugin failed to initialize");

  3084. 

  3085.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  3086.         {

  3087.             const int32_t rindex(pData->param.data[i].rindex);

  3088.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  3089. 

  3090.             try {

  3091.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  3092.             } CARLA_SAFE_EXCEPTION("LADSPA/DSSI connect_port");

  3093.         }

  3094. 

  3095.         if (fHandles.append(handle))

  3096.             return true;

  3097. 

  3098.         try {

  3099.             fDescriptor->cleanup(handle);

  3100.         } CARLA_SAFE_EXCEPTION("LADSPA/DSSI cleanup");

  3101. 

  3102.         pData->engine->setLastError("Out of memory");

  3103.         return false;

  3104.     }

  3105. 

  3106.     uint32_t getSafePortCount() const noexcept

  3107.     {

  3108.         if (fDescriptor->PortCount == 0)

  3109.             return 0;

  3110. 

  3111.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  3112.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  3113.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  3114. 

  3115.         return static_cast<uint32_t>(fDescriptor->PortCount);

  3116.     }

  3117. 

  3118.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  3119.     {

  3120.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  3121.             return true;

  3122.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  3123.             return true;

  3124.         return false;

  3125.     }

  3126. 

  3127.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  3128.                                                      const bool wantName, const bool useBracket) noexcept

  3129.     {

  3130.         const char* const sepBracketStart = std::strstr(paramName, useBracket ? " [" : " (");

  3131. 

  3132.         if (sepBracketStart == nullptr)

  3133.             return false;

  3134. 

  3135.         const char* const sepBracketEnd = std::strstr(sepBracketStart, useBracket ? "]" : ")");

  3136. 

  3137.         if (sepBracketEnd == nullptr)

  3138.             return false;

  3139. 

  3140.         const std::size_t unitSize = static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2);

  3141. 

  3142.         if (unitSize > 7) // very unlikely to have such big unit

  3143.             return false;

  3144. 

  3145.         const std::size_t sepIndex = std::strlen(paramName)-unitSize-3;

  3146. 

  3147.         // just in case

  3148.         if (sepIndex > STR_MAX-3)

  3149.             return false;

  3150. 

  3151.         if (wantName)

  3152.         {

  3153.             std::strncpy(strBuf, paramName, sepIndex);

  3154.             strBuf[sepIndex] = '\0';

  3155.         }

  3156.         else

  3157.         {

  3158.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  3159.             strBuf[unitSize] = '\0';

  3160.         }

  3161. 

  3162.         return true;

  3163.     }

  3164. 

  3165.     // -------------------------------------------------------------------

  3166. 

  3167.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLADSPADSSI)

  3168. };

  3169. 

  3170. // -------------------------------------------------------------------------------------------------------------------

  3171. 

  3172. CarlaPluginPtr CarlaPlugin::newLADSPA(const Initializer& init, const LADSPA_RDF_Descriptor* const rdfDescriptor)

  3173. {

  3174.     carla_debug("CarlaPlugin::newLADSPA({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x}, %p)",

  3175.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options, rdfDescriptor);

  3176. 

  3177.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3178. 

  3179.     if (! plugin->initLADSPA(plugin, init.filename, init.name, init.label, init.options, rdfDescriptor))

  3180.         return nullptr;

  3181. 

  3182.     return plugin;

  3183. }

  3184. 

  3185. CarlaPluginPtr CarlaPlugin::newDSSI(const Initializer& init)

  3186. {

  3187.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  3188.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  3189. 

  3190.     std::shared_ptr<CarlaPluginLADSPADSSI> plugin(new CarlaPluginLADSPADSSI(init.engine, init.id));

  3191. 

  3192.     if (! plugin->initDSSI(plugin, init.filename, init.name, init.label, init.options))

  3193.         return nullptr;

  3194. 

  3195.     return plugin;

  3196. }

  3197. 

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

  3199. 

  3200. CARLA_BACKEND_END_NAMESPACE