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Carla
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Carla/source/backend/plugin/CarlaPluginDSSI.cpp

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2016 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaDssiUtils.hpp"

  22. #include "CarlaMathUtils.hpp"

  23. 

  24. #ifdef HAVE_LIBLO

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. using juce::ChildProcess;

  31. using juce::ScopedPointer;

  32. using juce::String;

  33. using juce::StringArray;

  34. 

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

  36.     /* check argument count */                                                                                                  \

  37.     if (argc != argcToCompare)                                                                                                  \

  38.     {                                                                                                                           \

  39.         carla_stderr("CarlaPluginDSSI::%s() - argument count mismatch: %i != %i", __FUNCTION__, argc, argcToCompare);           \

  40.         return;                                                                                                                 \

  41.     }                                                                                                                           \

  42.     if (argc > 0)                                                                                                               \

  43.     {                                                                                                                           \

  44.         /* check for nullness */                                                                                                \

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

  46.         {                                                                                                                       \

  47.             carla_stderr("CarlaPluginDSSI::%s() - argument types are null", __FUNCTION__);                                      \

  48.             return;                                                                                                             \

  49.         }                                                                                                                       \

  50.         /* check argument types */                                                                                              \

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

  52.         {                                                                                                                       \

  53.             carla_stderr("CarlaPluginDSSI::%s() - argument types mismatch: '%s' != '%s'", __FUNCTION__, types, typesToCompare); \

  54.             return;                                                                                                             \

  55.         }                                                                                                                       \

  56.     }

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

  60. // -------------------------------------------------------------------

  61. // Fallback data

  62. 

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

  64. 

  65. #ifdef HAVE_LIBLO

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

  67. 

  68. class CarlaThreadDSSIUI : public CarlaThread

  69. {

  70. public:

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

  72.         : CarlaThread("CarlaThreadDSSIUI"),

  73.           kEngine(engine),

  74.           kPlugin(plugin),

  75.           fBinary(),

  76.           fLabel(),

  77.           fOscData(oscData),

  78.           fProcess() {}

  79. 

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

  81.     {

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

  83.         CARLA_SAFE_ASSERT_RETURN(label != nullptr /*&& label[0] != '\0'*/,);

  84.         CARLA_SAFE_ASSERT(! isThreadRunning());

  85. 

  86.         fBinary = binary;

  87.         fLabel  = label;

  88. 

  89.         if (fLabel.isEmpty())

  90.             fLabel = "\"\"";

  91.     }

  92. 

  93.     uintptr_t getProcessId() const noexcept

  94.     {

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

  96. 

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

  98.     }

  99. 

  100.     void run()

  101.     {

  102.         carla_stdout("DSSI UI thread started");

  103. 

  104.         if (fProcess == nullptr)

  105.         {

  106.             fProcess = new ChildProcess();

  107.         }

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

  109.         {

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

  111. 

  112.             fProcess->kill();

  113.             fProcess = nullptr;

  114.             kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  115.             return;

  116.         }

  117. 

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

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

  120. 

  121.         if (name.isEmpty())

  122.             name = "(none)";

  123. 

  124.         if (filename.isEmpty())

  125.             filename = "\"\"";

  126. 

  127.         StringArray arguments;

  128. 

  129.         // binary

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

  131. 

  132.         // osc-url

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

  134. 

  135.         // filename

  136.         arguments.add(filename);

  137. 

  138.         // label

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

  140. 

  141.         // ui-title

  142.         arguments.add(name + String(" (GUI)"));

  143. 

  144.         bool started;

  145. 

  146.         {

  147. #ifdef CARLA_OS_LINUX

  148.             /*

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

  150.              * If not, unset LD_PRELOAD.

  151.              */

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

  153. 

  154.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  155.             char winIdStr[STR_MAX+1];

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

  157. 

  158.             // for LD_PRELOAD

  159.             CarlaString ldPreloadValue;

  160. 

  161.             if (winId != 0)

  162.             {

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

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

  165.                                + CARLA_OS_SEP_STR "libcarla_interposer-x11.so");

  166.             }

  167.             else

  168.             {

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

  170.             }

  171. 

  172.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

  174.             const ScopedEnvVar _sev2("LD_PRELOAD", ldPreloadValue.isNotEmpty() ? ldPreloadValue.buffer() : nullptr);

  175. #endif // CARLA_OS_LINUX

  176. 

  177.             // start the DSSI UI application

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

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

  180.         }

  181. 

  182.         if (! started)

  183.         {

  184.             carla_stdout("failed!");

  185.             fProcess = nullptr;

  186.             return;

  187.         }

  188. 

  189.         if (waitForOscGuiShow())

  190.         {

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

  192.                 carla_sleep(1);

  193. 

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

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

  196.             {

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

  198. 

  199.                 if (fProcess->isRunning())

  200.                 {

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

  202.                     fProcess->kill();

  203.                 }

  204.                 else

  205.                 {

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

  207.                 }

  208.             }

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

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

  211.             else

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

  213.         }

  214.         else

  215.         {

  216.             fProcess->kill();

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

  218.         }

  219. 

  220.         fProcess = nullptr;

  221.         kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED, kPlugin->getId(), 0, 0, 0.0f, nullptr);

  222. 

  223.         carla_stdout("DSSI UI thread finished");

  224.     }

  225. 

  226. private:

  227.     CarlaEngine* const kEngine;

  228.     CarlaPlugin* const kPlugin;

  229. 

  230.     CarlaString fBinary;

  231.     CarlaString fLabel;

  232. 

  233.     const CarlaOscData&         fOscData;

  234.     ScopedPointer<ChildProcess> fProcess;

  235. 

  236.     bool waitForOscGuiShow()

  237.     {

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

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

  240. 

  241.         // wait for UI 'update' call

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

  243.         {

  244.             if (fOscData.target != nullptr)

  245.             {

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

  247.                 osc_send_show(fOscData);

  248.                 return true;

  249.             }

  250. 

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

  252.                 carla_msleep(100);

  253.             else

  254.                 return false;

  255.         }

  256. 

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

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

  259.         return false;

  260.     }

  261. 

  262.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  263. };

  264. #endif

  265. 

  266. // -----------------------------------------------------

  267. 

  268. class CarlaPluginDSSI : public CarlaPlugin

  269. {

  270. public:

  271.     CarlaPluginDSSI(CarlaEngine* const engine, const uint id) noexcept

  272.         : CarlaPlugin(engine, id),

  273.           fHandles(),

  274.           fDescriptor(nullptr),

  275.           fDssiDescriptor(nullptr),

  276.           fAudioInBuffers(nullptr),

  277.           fAudioOutBuffers(nullptr),

  278.           fExtraStereoBuffer(),

  279.           fParamBuffers(nullptr),

  280.           fLatencyIndex(-1),

  281.           fForcedStereoIn(false),

  282.           fForcedStereoOut(false),

  283.           fNeedsFixedBuffers(false),

  284.           fUsesCustomData(false)

  285. #ifdef HAVE_LIBLO

  286.         , fOscData(),

  287.           fThreadUI(engine, this, fOscData),

  288.           fUiFilename(nullptr)

  289. #endif

  290.     {

  291.         carla_debug("CarlaPluginDSSI::CarlaPluginDSSI(%p, %i)", engine, id);

  292. 

  293.         carla_zeroPointers(fExtraStereoBuffer, 2);

  294.     }

  295. 

  296.     ~CarlaPluginDSSI() noexcept override

  297.     {

  298.         carla_debug("CarlaPluginDSSI::~CarlaPluginDSSI()");

  299. 

  300. #ifdef HAVE_LIBLO

  301.         // close UI

  302.         if (fUiFilename != nullptr)

  303.         {

  304.             showCustomUI(false);

  305. 

  306.             delete[] fUiFilename;

  307.             fUiFilename = nullptr;

  308.         }

  309. #endif

  310. 

  311.         pData->singleMutex.lock();

  312.         pData->masterMutex.lock();

  313. 

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

  315.             pData->client->deactivate();

  316. 

  317.         if (pData->active)

  318.         {

  319.             deactivate();

  320.             pData->active = false;

  321.         }

  322. 

  323.         if (fDescriptor != nullptr)

  324.         {

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

  326.             {

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

  328.                 {

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

  330.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  331. 

  332.                     try {

  333.                         fDescriptor->cleanup(handle);

  334.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  335.                 }

  336.             }

  337. 

  338.             fHandles.clear();

  339.             fDescriptor = nullptr;

  340.             fDssiDescriptor = nullptr;

  341.         }

  342. 

  343.         clearBuffers();

  344.     }

  345. 

  346.     // -------------------------------------------------------------------

  347.     // Information (base)

  348. 

  349.     PluginType getType() const noexcept override

  350.     {

  351.         return PLUGIN_DSSI;

  352.     }

  353. 

  354.     PluginCategory getCategory() const noexcept override

  355.     {

  356.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, PLUGIN_CATEGORY_NONE);

  357. 

  358.         if (pData->audioIn.count == 0 && pData->audioOut.count > 0 && fDssiDescriptor->run_synth != nullptr)

  359.             return PLUGIN_CATEGORY_SYNTH;

  360. 

  361.         return CarlaPlugin::getCategory();

  362.     }

  363. 

  364.     int64_t getUniqueId() const noexcept override

  365.     {

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

  367. 

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

  369.     }

  370. 

  371.     uint32_t getLatencyInFrames() const noexcept override

  372.     {

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

  374.             return 0;

  375. 

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

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

  378. 

  379.         return static_cast<uint32_t>(latency);

  380.     }

  381. 

  382.     // -------------------------------------------------------------------

  383.     // Information (count)

  384. 

  385.     // nothing

  386. 

  387.     // -------------------------------------------------------------------

  388.     // Information (current data)

  389. 

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

  391.     {

  392.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  398. 

  399.         *dataPtr = nullptr;

  400. 

  401.         int ret = 0;

  402.         ulong dataSize = 0;

  403. 

  404.         try {

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

  406.         } CARLA_SAFE_EXCEPTION_RETURN("CarlaPluginDSSI::getChunkData", 0);

  407. 

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

  409.     }

  410. 

  411.     // -------------------------------------------------------------------

  412.     // Information (per-plugin data)

  413. 

  414.     uint getOptionsAvailable() const noexcept override

  415.     {

  416.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, 0x0);

  417. 

  418.         uint options = 0x0;

  419. 

  420.         if (! fNeedsFixedBuffers)

  421.         {

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

  423.             if (fLatencyIndex == -1)

  424.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  425. 

  426.             // can't disable forced stereo if in rack mode

  427.             if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  428.                 pass();

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

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

  431.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  432.         }

  433. 

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

  435.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  436. 

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

  438.         {

  439.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  440.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  441.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  442.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  443.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  444.         }

  445. 

  446.         if (fUsesCustomData)

  447.             options |= PLUGIN_OPTION_USE_CHUNKS;

  448. 

  449.         return options;

  450.     }

  451. 

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

  453.     {

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

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

  456. 

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

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

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

  460. 

  461.         // not output, should be fine

  462.         return fParamBuffers[parameterId];

  463.     }

  464. 

  465.     void getLabel(char* const strBuf) const noexcept override

  466.     {

  467.         CARLA_SAFE_ASSERT_RETURN(fDescriptor        != nullptr, nullStrBuf(strBuf));

  468.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Label != nullptr, nullStrBuf(strBuf));

  469. 

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

  471.     }

  472. 

  473.     void getMaker(char* const strBuf) const noexcept override

  474.     {

  475.         CARLA_SAFE_ASSERT_RETURN(fDescriptor        != nullptr, nullStrBuf(strBuf));

  476.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Maker != nullptr, nullStrBuf(strBuf));

  477. 

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

  479.     }

  480. 

  481.     void getCopyright(char* const strBuf) const noexcept override

  482.     {

  483.         CARLA_SAFE_ASSERT_RETURN(fDescriptor            != nullptr, nullStrBuf(strBuf));

  484.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Copyright != nullptr, nullStrBuf(strBuf));

  485. 

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

  487.     }

  488. 

  489.     void getRealName(char* const strBuf) const noexcept override

  490.     {

  491.         CARLA_SAFE_ASSERT_RETURN(fDescriptor       != nullptr, nullStrBuf(strBuf));

  492.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Name != nullptr, nullStrBuf(strBuf));

  493. 

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

  495.     }

  496. 

  497.     void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  498.     {

  499.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,           nullStrBuf(strBuf));

  500.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  501. 

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

  503.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,                                           nullStrBuf(strBuf));

  504.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), nullStrBuf(strBuf));

  505.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr,             nullStrBuf(strBuf));

  506. 

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

  508.             return;

  509. 

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

  511.     }

  512. 

  513.     void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  514.     {

  515.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  516. 

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

  518.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, nullStrBuf(strBuf));

  519. 

  520.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), nullStrBuf(strBuf));

  521.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr,             nullStrBuf(strBuf));

  522. 

  523.         if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, false))

  524.             return;

  525. 

  526.         nullStrBuf(strBuf);

  527.     }

  528. 

  529.     // -------------------------------------------------------------------

  530.     // Set data (state)

  531. 

  532.     // nothing

  533. 

  534.     // -------------------------------------------------------------------

  535.     // Set data (internal stuff)

  536. 

  537.     void setId(const uint newId) noexcept override

  538.     {

  539.         CarlaPlugin::setId(newId);

  540. 

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

  542.         // FIXME - must be RT safe

  543.         showCustomUI(false);

  544.     }

  545. 

  546.     // -------------------------------------------------------------------

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

  548. 

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

  550.     {

  551.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  553. 

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

  555.         fParamBuffers[parameterId] = fixedValue;

  556. 

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

  558.     }

  559. 

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

  561.     {

  562.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  565.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  567. 

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

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

  570. 

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

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

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

  574. 

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

  576.         {

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

  578.             {

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

  580.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  581. 

  582.                 try {

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

  584.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  585.             }

  586.         }

  587. 

  588. #ifdef HAVE_LIBLO

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

  590.             osc_send_configure(fOscData, key, value);

  591. #endif

  592. 

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

  594.         {

  595.             const ScopedSingleProcessLocker spl(this, true);

  596.             reloadPrograms(false);

  597.         }

  598. 

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

  600.     }

  601. 

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

  603.     {

  604.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  606.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  608.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  609.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  610. 

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

  612.         {

  613.             const ScopedSingleProcessLocker spl(this, true);

  614. 

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

  616.             {

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

  618.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  619. 

  620.                 try {

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

  622.                 } CARLA_SAFE_EXCEPTION("CarlaPluginDSSI::setChunkData");

  623.             }

  624.         }

  625. 

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

  627.         const bool sendOsc(pData->engine->isOscControlRegistered());

  628. #else

  629.         const bool sendOsc(false);

  630. #endif

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

  632.     }

  633. 

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

  635.     {

  636.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  639. 

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

  641.         {

  642.             const uint32_t bank(pData->midiprog.data[index].bank);

  643.             const uint32_t program(pData->midiprog.data[index].program);

  644. 

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

  646. 

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

  648.             {

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

  650.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  651. 

  652.                 try {

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

  654.                 } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  655.             }

  656.         }

  657. 

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

  659.     }

  660. 

  661. #ifdef HAVE_LIBLO

  662.     // -------------------------------------------------------------------

  663.     // Set ui stuff

  664. 

  665.     void showCustomUI(const bool yesNo) override

  666.     {

  667.         if (yesNo)

  668.         {

  669.             fOscData.clear();

  670.             fThreadUI.startThread();

  671.         }

  672.         else

  673.         {

  674.             pData->transientTryCounter = 0;

  675. 

  676.             if (fOscData.target != nullptr)

  677.             {

  678.                 osc_send_hide(fOscData);

  679.                 osc_send_quit(fOscData);

  680.                 fOscData.clear();

  681.             }

  682. 

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

  684.         }

  685.     }

  686. #endif

  687. 

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

  689.     // Plugin state

  690. 

  691.     void reload() override

  692.     {

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

  694.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  695.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  697.         carla_debug("CarlaPluginDSSI::reload() - start");

  698. 

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

  700. 

  701.         // Safely disable plugin for reload

  702.         const ScopedDisabler sd(this);

  703. 

  704.         if (pData->active)

  705.             deactivate();

  706. 

  707.         clearBuffers();

  708. 

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

  710.         const uint32_t portCount(getSafePortCount());

  711. 

  712.         uint32_t aIns, aOuts, mIns, params;

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

  714. 

  715.         bool forcedStereoIn, forcedStereoOut;

  716.         forcedStereoIn = forcedStereoOut = false;

  717. 

  718.         bool needsCtrlIn, needsCtrlOut;

  719.         needsCtrlIn = needsCtrlOut = false;

  720. 

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

  722.         {

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

  724. 

  725.             if (LADSPA_IS_PORT_AUDIO(portType))

  726.             {

  727.                 if (LADSPA_IS_PORT_INPUT(portType))

  728.                     aIns += 1;

  729.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  730.                     aOuts += 1;

  731.             }

  732.             else if (LADSPA_IS_PORT_CONTROL(portType))

  733.                 params += 1;

  734.         }

  735. 

  736.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  737.         {

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

  739.             {

  740.                 if (aIns == 1)

  741.                 {

  742.                     aIns = 2;

  743.                     forcedStereoIn = true;

  744.                 }

  745.                 if (aOuts == 1)

  746.                 {

  747.                     aOuts = 2;

  748.                     forcedStereoOut = true;

  749.                 }

  750.             }

  751.         }

  752. 

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

  754.         {

  755.             mIns = 1;

  756.             needsCtrlIn = true;

  757.         }

  758. 

  759.         if (aIns > 0)

  760.         {

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

  762.             fAudioInBuffers = new float*[aIns];

  763. 

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

  765.                 fAudioInBuffers[i] = nullptr;

  766.         }

  767. 

  768.         if (aOuts > 0)

  769.         {

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

  771.             fAudioOutBuffers = new float*[aOuts];

  772.             needsCtrlIn = true;

  773. 

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

  775.                 fAudioOutBuffers[i] = nullptr;

  776.         }

  777. 

  778.         if (params > 0)

  779.         {

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

  781. 

  782.             fParamBuffers = new float[params];

  783.             FloatVectorOperations::clear(fParamBuffers, static_cast<int>(params));

  784.         }

  785. 

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

  787.         CarlaString portName;

  788. 

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

  790.         {

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

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

  793. 

  794.             if (LADSPA_IS_PORT_AUDIO(portType))

  795.             {

  796.                 portName.clear();

  797. 

  798.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  799.                 {

  800.                     portName  = pData->name;

  801.                     portName += ":";

  802.                 }

  803. 

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

  805.                 {

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

  807.                 }

  808.                 else

  809.                 {

  810.                     if (LADSPA_IS_PORT_INPUT(portType))

  811.                     {

  812.                         if (aIns > 1)

  813.                         {

  814.                             portName += "audio-in_";

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

  816.                         }

  817.                         else

  818.                             portName += "audio-in";

  819.                     }

  820.                     else

  821.                     {

  822.                         if (aOuts > 1)

  823.                         {

  824.                             portName += "audio-out_";

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

  826.                         }

  827.                         else

  828.                             portName += "audio-out";

  829.                     }

  830.                 }

  831. 

  832.                 portName.truncate(portNameSize);

  833. 

  834.                 if (LADSPA_IS_PORT_INPUT(portType))

  835.                 {

  836.                     const uint32_t j = iAudioIn++;

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

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

  839. 

  840.                     if (forcedStereoIn)

  841.                     {

  842.                         portName += "_2";

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

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

  845.                     }

  846.                 }

  847.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  848.                 {

  849.                     const uint32_t j = iAudioOut++;

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

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

  852. 

  853.                     if (forcedStereoOut)

  854.                     {

  855.                         portName += "_2";

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

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

  858.                     }

  859.                 }

  860.                 else

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

  862.             }

  863.             else if (LADSPA_IS_PORT_CONTROL(portType))

  864.             {

  865.                 const uint32_t j = iCtrl++;

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

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

  868. 

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

  870. 

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

  872. 

  873.                 // min value

  874.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  875.                     min = portRangeHints.LowerBound;

  876.                 else

  877.                     min = 0.0f;

  878. 

  879.                 // max value

  880.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  881.                     max = portRangeHints.UpperBound;

  882.                 else

  883.                     max = 1.0f;

  884. 

  885.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  886.                 {

  887.                     min *= sampleRate;

  888.                     max *= sampleRate;

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

  890.                 }

  891. 

  892.                 if (min >= max)

  893.                 {

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

  895.                     max = min + 0.1f;

  896.                 }

  897. 

  898.                 // default value

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

  900. 

  901.                 if (def < min)

  902.                     def = min;

  903.                 else if (def > max)

  904.                     def = max;

  905. 

  906.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  907.                 {

  908.                     step = max - min;

  909.                     stepSmall = step;

  910.                     stepLarge = step;

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

  912.                 }

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

  914.                 {

  915.                     step = 1.0f;

  916.                     stepSmall = 1.0f;

  917.                     stepLarge = 10.0f;

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

  919.                 }

  920.                 else

  921.                 {

  922.                     const float range = max - min;

  923.                     step = range/100.0f;

  924.                     stepSmall = range/1000.0f;

  925.                     stepLarge = range/10.0f;

  926.                 }

  927. 

  928.                 if (LADSPA_IS_PORT_INPUT(portType))

  929.                 {

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

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

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

  933.                     needsCtrlIn = true;

  934. 

  935.                     // MIDI CC value

  936.                     if (fDssiDescriptor->get_midi_controller_for_port != nullptr)

  937.                     {

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

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

  940.                         {

  941.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  942.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

  943.                                 pData->param.data[j].midiCC = cc;

  944.                         }

  945.                     }

  946.                 }

  947.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  948.                 {

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

  950. 

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

  952.                     {

  953.                         min = 0.0f;

  954.                         max = sampleRate;

  955.                         def = 0.0f;

  956.                         step = 1.0f;

  957.                         stepSmall = 1.0f;

  958.                         stepLarge = 1.0f;

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

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

  961.                     }

  962.                     else

  963.                     {

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

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

  966.                         needsCtrlOut = true;

  967.                     }

  968.                 }

  969.                 else

  970.                 {

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

  972.                 }

  973. 

  974.                 // extra parameter hints

  975.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  977. 

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

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

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

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

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

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

  984. 

  985.                 // Start parameters in their default values

  986.                 fParamBuffers[j] = def;

  987. 

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

  989.                 {

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

  991.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  992. 

  993.                     try {

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

  995.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  996.                 }

  997.             }

  998.             else

  999.             {

  1000.                 // Not Audio or Control

  1001.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1002. 

  1003.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1004.                 {

  1005.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1006.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1007. 

  1008.                     try {

  1009.                         fDescriptor->connect_port(handle, i, nullptr);

  1010.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1011.                 }

  1012.             }

  1013.         }

  1014. 

  1015.         if (needsCtrlIn)

  1016.         {

  1017.             portName.clear();

  1018. 

  1019.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1020.             {

  1021.                 portName  = pData->name;

  1022.                 portName += ":";

  1023.             }

  1024. 

  1025.             portName += "events-in";

  1026.             portName.truncate(portNameSize);

  1027. 

  1028.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1029.         }

  1030. 

  1031.         if (needsCtrlOut)

  1032.         {

  1033.             portName.clear();

  1034. 

  1035.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1036.             {

  1037.                 portName  = pData->name;

  1038.                 portName += ":";

  1039.             }

  1040. 

  1041.             portName += "events-out";

  1042.             portName.truncate(portNameSize);

  1043. 

  1044.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1045.         }

  1046. 

  1047.         if (forcedStereoIn || forcedStereoOut)

  1048.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1049.         else

  1050.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1051. 

  1052.         // plugin hints

  1053.         pData->hints = 0x0;

  1054. 

  1055.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1056.             pData->hints |= PLUGIN_IS_RTSAFE;

  1057. 

  1058. #ifdef HAVE_LIBLO

  1059.         if (fUiFilename != nullptr)

  1060.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1061. #endif

  1062. 

  1063. #ifndef BUILD_BRIDGE

  1064.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1065.             pData->hints |= PLUGIN_CAN_DRYWET;

  1066. 

  1067.         if (aOuts > 0)

  1068.             pData->hints |= PLUGIN_CAN_VOLUME;

  1069. 

  1070.         if (aOuts >= 2 && aOuts % 2 == 0)

  1071.             pData->hints |= PLUGIN_CAN_BALANCE;

  1072. #endif

  1073. 

  1074.         // extra plugin hints

  1075.         pData->extraHints  = 0x0;

  1076.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1077. 

  1078.         if (mIns > 0)

  1079.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1080. 

  1081.         // check initial latency

  1082.         findInitialLatencyValue(aIns, aOuts);

  1083. 

  1084.         fForcedStereoIn  = forcedStereoIn;

  1085.         fForcedStereoOut = forcedStereoOut;

  1086. 

  1087.         bufferSizeChanged(pData->engine->getBufferSize());

  1088.         reloadPrograms(true);

  1089. 

  1090.         if (pData->active)

  1091.             activate();

  1092. 

  1093.         carla_debug("CarlaPluginDSSI::reload() - end");

  1094.     }

  1095. 

  1096.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1097.     {

  1098.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1099.             return;

  1100. 

  1101.         // we need to pre-run the plugin so it can update its latency control-port

  1102.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1103.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1104. 

  1105.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1106.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1107. 

  1108.         for (uint32_t j=0; j < aIns; ++j)

  1109.         {

  1110.             tmpIn[j][0] = 0.0f;

  1111.             tmpIn[j][1] = 0.0f;

  1112. 

  1113.             try {

  1114.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1115.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1116.         }

  1117. 

  1118.         for (uint32_t j=0; j < aOuts; ++j)

  1119.         {

  1120.             tmpOut[j][0] = 0.0f;

  1121.             tmpOut[j][1] = 0.0f;

  1122. 

  1123.             try {

  1124.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1125.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1126.         }

  1127. 

  1128.         if (fDescriptor->activate != nullptr)

  1129.         {

  1130.             try {

  1131.                 fDescriptor->activate(handle);

  1132.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1133.         }

  1134. 

  1135.         try {

  1136.             fDescriptor->run(handle, 2);

  1137.         } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1138. 

  1139.         if (fDescriptor->deactivate != nullptr)

  1140.         {

  1141.             try {

  1142.                 fDescriptor->deactivate(handle);

  1143.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1144.         }

  1145. 

  1146.         // done, let's get the value

  1147.         if (const uint32_t latency = getLatencyInFrames())

  1148.         {

  1149.             pData->client->setLatency(latency);

  1150. #ifndef BUILD_BRIDGE

  1151.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1152. #endif

  1153.         }

  1154.     }

  1155. 

  1156.     void reloadPrograms(const bool doInit) override

  1157.     {

  1158.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1159. 

  1160.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1161.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1162. 

  1163.         const uint32_t oldCount = pData->midiprog.count;

  1164.         const int32_t  current  = pData->midiprog.current;

  1165. 

  1166.         // Delete old programs

  1167.         pData->midiprog.clear();

  1168. 

  1169.         // Query new programs

  1170.         uint32_t newCount = 0;

  1171.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1172.         {

  1173.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1174.                 ++newCount;

  1175.         }

  1176. 

  1177.         if (newCount > 0)

  1178.         {

  1179.             pData->midiprog.createNew(newCount);

  1180. 

  1181.             // Update data

  1182.             for (uint32_t i=0; i < newCount; ++i)

  1183.             {

  1184.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1185.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1186.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1187. 

  1188.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1189.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1190.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1191.             }

  1192.         }

  1193. 

  1194. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1195.         // Update OSC Names

  1196.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1197.         {

  1198.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1199. 

  1200.             for (uint32_t i=0; i < newCount; ++i)

  1201.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1202.         }

  1203. #endif

  1204. 

  1205.         if (doInit)

  1206.         {

  1207.             if (newCount > 0)

  1208.                 setMidiProgram(0, false, false, false);

  1209.         }

  1210.         else

  1211.         {

  1212.             // Check if current program is invalid

  1213.             bool programChanged = false;

  1214. 

  1215.             if (newCount == oldCount+1)

  1216.             {

  1217.                 // one midi program added, probably created by user

  1218.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1219.                 programChanged = true;

  1220.             }

  1221.             else if (current < 0 && newCount > 0)

  1222.             {

  1223.                 // programs exist now, but not before

  1224.                 pData->midiprog.current = 0;

  1225.                 programChanged = true;

  1226.             }

  1227.             else if (current >= 0 && newCount == 0)

  1228.             {

  1229.                 // programs existed before, but not anymore

  1230.                 pData->midiprog.current = -1;

  1231.                 programChanged = true;

  1232.             }

  1233.             else if (current >= static_cast<int32_t>(newCount))

  1234.             {

  1235.                 // current midi program > count

  1236.                 pData->midiprog.current = 0;

  1237.                 programChanged = true;

  1238.             }

  1239.             else

  1240.             {

  1241.                 // no change

  1242.                 pData->midiprog.current = current;

  1243.             }

  1244. 

  1245.             if (programChanged)

  1246.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1247. 

  1248.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1249.         }

  1250.     }

  1251. 

  1252.     // -------------------------------------------------------------------

  1253.     // Plugin processing

  1254. 

  1255.     void activate() noexcept override

  1256.     {

  1257.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1258. 

  1259.         if (fDescriptor->activate != nullptr)

  1260.         {

  1261.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1262.             {

  1263.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1264.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1265. 

  1266.                 try {

  1267.                     fDescriptor->activate(handle);

  1268.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1269.             }

  1270.         }

  1271.     }

  1272. 

  1273.     void deactivate() noexcept override

  1274.     {

  1275.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1276. 

  1277.         if (fDescriptor->deactivate != nullptr)

  1278.         {

  1279.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1280.             {

  1281.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1282.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1283. 

  1284.                 try {

  1285.                     fDescriptor->deactivate(handle);

  1286.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1287.             }

  1288.         }

  1289.     }

  1290. 

  1291.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1292.     {

  1293.         // --------------------------------------------------------------------------------------------------------

  1294.         // Check if active

  1295. 

  1296.         if (! pData->active)

  1297.         {

  1298.             // disable any output sound

  1299.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1300.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1301.             return;

  1302.         }

  1303. 

  1304.         ulong midiEventCount = 0;

  1305.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1306. 

  1307.         // --------------------------------------------------------------------------------------------------------

  1308.         // Check if needs reset

  1309. 

  1310.         if (pData->needsReset)

  1311.         {

  1312.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1313.             {

  1314.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1315. 

  1316.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1317.                 {

  1318.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1319.                     fMidiEvents[i].data.control.channel = i;

  1320.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1321. 

  1322.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1323.                     fMidiEvents[k+i].data.control.channel = i;

  1324.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1325.                 }

  1326.             }

  1327.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1328.             {

  1329.                 midiEventCount = MAX_MIDI_NOTE;

  1330. 

  1331.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1332.                 {

  1333.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1334.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1335.                     fMidiEvents[i].data.note.note    = i;

  1336.                 }

  1337.             }

  1338. 

  1339.             pData->needsReset = false;

  1340.         }

  1341. 

  1342.         // --------------------------------------------------------------------------------------------------------

  1343.         // Event Input and Processing

  1344. 

  1345.         if (pData->event.portIn != nullptr)

  1346.         {

  1347.             // ----------------------------------------------------------------------------------------------------

  1348.             // MIDI Input (External)

  1349. 

  1350.             if (pData->extNotes.mutex.tryLock())

  1351.             {

  1352.                 ExternalMidiNote note = { 0, 0, 0 };

  1353. 

  1354.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1355.                 {

  1356.                     note = pData->extNotes.data.getFirst(note, true);

  1357.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1358. 

  1359.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1360. 

  1361.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1362.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1363.                     seqEvent.data.note.note     = note.note;

  1364.                     seqEvent.data.note.velocity = note.velo;

  1365.                 }

  1366. 

  1367.                 pData->extNotes.mutex.unlock();

  1368. 

  1369.             } // End of MIDI Input (External)

  1370. 

  1371.             // ----------------------------------------------------------------------------------------------------

  1372.             // Event Input (System)

  1373. 

  1374. #ifndef BUILD_BRIDGE

  1375.             bool allNotesOffSent = false;

  1376. #endif

  1377.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1378. 

  1379.             uint32_t startTime  = 0;

  1380.             uint32_t timeOffset = 0;

  1381.             uint32_t nextBankId;

  1382. 

  1383.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1384.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1385.             else

  1386.                 nextBankId = 0;

  1387. 

  1388.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1389.             {

  1390.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1391. 

  1392.                 if (event.time >= frames)

  1393.                     continue;

  1394. 

  1395.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1396. 

  1397.                 if (isSampleAccurate && event.time > timeOffset)

  1398.                 {

  1399.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1400.                     {

  1401.                         startTime  = 0;

  1402.                         timeOffset = event.time;

  1403.                         midiEventCount = 0;

  1404. 

  1405.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1406.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1407.                         else

  1408.                             nextBankId = 0;

  1409.                     }

  1410.                     else

  1411.                         startTime += timeOffset;

  1412.                 }

  1413. 

  1414.                 switch (event.type)

  1415.                 {

  1416.                 case kEngineEventTypeNull:

  1417.                     break;

  1418. 

  1419.                 case kEngineEventTypeControl: {

  1420.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1421. 

  1422.                     switch (ctrlEvent.type)

  1423.                     {

  1424.                     case kEngineControlEventTypeNull:

  1425.                         break;

  1426. 

  1427.                     case kEngineControlEventTypeParameter: {

  1428. #ifndef BUILD_BRIDGE

  1429.                         // Control backend stuff

  1430.                         if (event.channel == pData->ctrlChannel)

  1431.                         {

  1432.                             float value;

  1433. 

  1434.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1435.                             {

  1436.                                 value = ctrlEvent.value;

  1437.                                 setDryWet(value, false, false);

  1438.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1439.                             }

  1440. 

  1441.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1442.                             {

  1443.                                 value = ctrlEvent.value*127.0f/100.0f;

  1444.                                 setVolume(value, false, false);

  1445.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1446.                             }

  1447. 

  1448.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1449.                             {

  1450.                                 float left, right;

  1451.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1452. 

  1453.                                 if (value < 0.0f)

  1454.                                 {

  1455.                                     left  = -1.0f;

  1456.                                     right = (value*2.0f)+1.0f;

  1457.                                 }

  1458.                                 else if (value > 0.0f)

  1459.                                 {

  1460.                                     left  = (value*2.0f)-1.0f;

  1461.                                     right = 1.0f;

  1462.                                 }

  1463.                                 else

  1464.                                 {

  1465.                                     left  = -1.0f;

  1466.                                     right = 1.0f;

  1467.                                 }

  1468. 

  1469.                                 setBalanceLeft(left, false, false);

  1470.                                 setBalanceRight(right, false, false);

  1471.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1472.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1473.                             }

  1474.                         }

  1475. #endif

  1476.                         // Control plugin parameters

  1477.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1478.                         {

  1479.                             if (pData->param.data[k].midiChannel != event.channel)

  1480.                                 continue;

  1481.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1482.                                 continue;

  1483.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1484.                                 continue;

  1485.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1486.                                 continue;

  1487. 

  1488.                             float value;

  1489. 

  1490.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1491.                             {

  1492.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1493.                             }

  1494.                             else

  1495.                             {

  1496.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1497.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1498.                                 else

  1499.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1500. 

  1501.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1502.                                     value = std::rint(value);

  1503.                             }

  1504. 

  1505.                             setParameterValue(k, value, false, false, false);

  1506.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1507.                         }

  1508. 

  1509.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1510.                         {

  1511.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1512.                                 continue;

  1513. 

  1514.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1515. 

  1516.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1517. 

  1518.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1519.                             seqEvent.data.control.channel = event.channel;

  1520.                             seqEvent.data.control.param   = ctrlEvent.param;

  1521.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1522.                         }

  1523. 

  1524.                         break;

  1525.                     } // case kEngineControlEventTypeParameter

  1526. 

  1527.                     case kEngineControlEventTypeMidiBank:

  1528.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1529.                             nextBankId = ctrlEvent.param;

  1530.                         break;

  1531. 

  1532.                     case kEngineControlEventTypeMidiProgram:

  1533.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1534.                         {

  1535.                             const uint32_t nextProgramId = ctrlEvent.param;

  1536. 

  1537.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1538.                             {

  1539.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1540.                                 {

  1541.                                     const int32_t index(static_cast<int32_t>(k));

  1542.                                     setMidiProgram(index, false, false, false);

  1543.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1544.                                     break;

  1545.                                 }

  1546.                             }

  1547.                         }

  1548.                         break;

  1549. 

  1550.                     case kEngineControlEventTypeAllSoundOff:

  1551.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1552.                         {

  1553.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1554.                                 continue;

  1555. 

  1556.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1557. 

  1558.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1559. 

  1560.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1561.                             seqEvent.data.control.channel = event.channel;

  1562.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1563.                         }

  1564.                         break;

  1565. 

  1566.                     case kEngineControlEventTypeAllNotesOff:

  1567.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1568.                         {

  1569. #ifndef BUILD_BRIDGE

  1570.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1571.                             {

  1572.                                 allNotesOffSent = true;

  1573.                                 sendMidiAllNotesOffToCallback();

  1574.                             }

  1575. #endif

  1576. 

  1577.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1578.                                 continue;

  1579. 

  1580.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1581. 

  1582.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1583. 

  1584.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1585.                             seqEvent.data.control.channel = event.channel;

  1586.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1587.                         }

  1588.                         break;

  1589.                     } // switch (ctrlEvent.type)

  1590.                     break;

  1591.                 } // case kEngineEventTypeControl

  1592. 

  1593.                 case kEngineEventTypeMidi: {

  1594.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1595.                         continue;

  1596. 

  1597.                     const EngineMidiEvent& midiEvent(event.midi);

  1598. 

  1599.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1600.                         continue;

  1601. 

  1602.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1603. 

  1604.                     // Fix bad note-off (per DSSI spec)

  1605.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1606.                         status = MIDI_STATUS_NOTE_OFF;

  1607. 

  1608.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1609. 

  1610.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1611. 

  1612.                     switch (status)

  1613.                     {

  1614.                     case MIDI_STATUS_NOTE_OFF: {

  1615.                         const uint8_t note = midiEvent.data[1];

  1616. 

  1617.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1618.                         seqEvent.data.note.channel = event.channel;

  1619.                         seqEvent.data.note.note    = note;

  1620. 

  1621.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1622.                         break;

  1623.                     }

  1624. 

  1625.                     case MIDI_STATUS_NOTE_ON: {

  1626.                         const uint8_t note = midiEvent.data[1];

  1627.                         const uint8_t velo = midiEvent.data[2];

  1628. 

  1629.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1630.                         seqEvent.data.note.channel  = event.channel;

  1631.                         seqEvent.data.note.note     = note;

  1632.                         seqEvent.data.note.velocity = velo;

  1633. 

  1634.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1635.                         break;

  1636.                     }

  1637. 

  1638.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1639.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1640.                         {

  1641.                             const uint8_t note     = midiEvent.data[1];

  1642.                             const uint8_t pressure = midiEvent.data[2];

  1643. 

  1644.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1645.                             seqEvent.data.note.channel  = event.channel;

  1646.                             seqEvent.data.note.note     = note;

  1647.                             seqEvent.data.note.velocity = pressure;

  1648.                         }

  1649.                         break;

  1650. 

  1651.                     case MIDI_STATUS_CONTROL_CHANGE:

  1652.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1653.                         {

  1654.                             const uint8_t control = midiEvent.data[1];

  1655.                             const uint8_t value   = midiEvent.data[2];

  1656. 

  1657.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1658.                             seqEvent.data.control.channel = event.channel;

  1659.                             seqEvent.data.control.param   = control;

  1660.                             seqEvent.data.control.value   = value;

  1661.                         }

  1662.                         break;

  1663. 

  1664.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1665.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1666.                         {

  1667.                             const uint8_t pressure = midiEvent.data[1];

  1668. 

  1669.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1670.                             seqEvent.data.control.channel = event.channel;

  1671.                             seqEvent.data.control.value   = pressure;

  1672.                         }

  1673.                         break;

  1674. 

  1675.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1676.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1677.                         {

  1678.                             const uint8_t lsb = midiEvent.data[1];

  1679.                             const uint8_t msb = midiEvent.data[2];

  1680. 

  1681.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1682.                             seqEvent.data.control.channel = event.channel;

  1683.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1684.                         }

  1685.                         break;

  1686. 

  1687.                     default:

  1688.                         --midiEventCount;

  1689.                         break;

  1690.                     } // switch (status)

  1691.                 } break;

  1692.                 } // switch (event.type)

  1693.             }

  1694. 

  1695.             pData->postRtEvents.trySplice();

  1696. 

  1697.             if (frames > timeOffset)

  1698.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1699. 

  1700.         } // End of Event Input and Processing

  1701. 

  1702.         // --------------------------------------------------------------------------------------------------------

  1703.         // Plugin processing (no events)

  1704. 

  1705.         else

  1706.         {

  1707.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1708. 

  1709.         } // End of Plugin processing (no events)

  1710. 

  1711.         // --------------------------------------------------------------------------------------------------------

  1712.         // Control Output

  1713. 

  1714.         if (pData->event.portOut != nullptr)

  1715.         {

  1716.             uint8_t  channel;

  1717.             uint16_t param;

  1718.             float    value;

  1719. 

  1720.             for (uint32_t k=0; k < pData->param.count; ++k)

  1721.             {

  1722.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1723.                     continue;

  1724. 

  1725.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1726. 

  1727.                 if (pData->param.data[k].midiCC > 0)

  1728.                 {

  1729.                     channel = pData->param.data[k].midiChannel;

  1730.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1731.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1732.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1733.                 }

  1734.             }

  1735.         } // End of Control Output

  1736.     }

  1737. 

  1738.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1739.                        const uint32_t timeOffset, const ulong midiEventCount)

  1740.     {

  1741.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1742. 

  1743.         if (pData->audioIn.count > 0)

  1744.         {

  1745.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1746.         }

  1747.         if (pData->audioOut.count > 0)

  1748.         {

  1749.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1750.         }

  1751. 

  1752.         // --------------------------------------------------------------------------------------------------------

  1753.         // Try lock, silence otherwise

  1754. 

  1755.         if (pData->engine->isOffline())

  1756.         {

  1757.             pData->singleMutex.lock();

  1758.         }

  1759.         else if (! pData->singleMutex.tryLock())

  1760.         {

  1761.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1762.             {

  1763.                 for (uint32_t k=0; k < frames; ++k)

  1764.                     audioOut[i][k+timeOffset] = 0.0f;

  1765.             }

  1766. 

  1767.             return false;

  1768.         }

  1769. 

  1770.         const int iframes(static_cast<int>(frames));

  1771. 

  1772.         // --------------------------------------------------------------------------------------------------------

  1773.         // Set audio buffers

  1774. 

  1775.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1776.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1777. 

  1778.         if (! customMonoOut)

  1779.         {

  1780.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1781.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1782.         }

  1783. 

  1784.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1785.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1786. 

  1787.         // --------------------------------------------------------------------------------------------------------

  1788.         // Run plugin

  1789. 

  1790.         uint instn = 0;

  1791.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1792.         {

  1793.             LADSPA_Handle const handle(it.getValue(nullptr));

  1794.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1795. 

  1796.             // ----------------------------------------------------------------------------------------------------

  1797.             // Mixdown for forced stereo

  1798. 

  1799.             if (customMonoOut)

  1800.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1801. 

  1802.             // ----------------------------------------------------------------------------------------------------

  1803.             // Run it

  1804. 

  1805.             if (fDssiDescriptor->run_synth != nullptr)

  1806.             {

  1807.                 try {

  1808.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1809.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1810.             }

  1811.             else

  1812.             {

  1813.                 try {

  1814.                     fDescriptor->run(handle, frames);

  1815.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1816.             }

  1817. 

  1818.             // ----------------------------------------------------------------------------------------------------

  1819.             // Mixdown for forced stereo

  1820. 

  1821.             if (customMonoOut)

  1822.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1823.             else if (customStereoOut)

  1824.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1825.         }

  1826. 

  1827.         if (customStereoOut)

  1828.         {

  1829.             FloatVectorOperations::copy(fAudioOutBuffers[0], fExtraStereoBuffer[0], iframes);

  1830.             FloatVectorOperations::copy(fAudioOutBuffers[1], fExtraStereoBuffer[1], iframes);

  1831.         }

  1832. 

  1833. #ifndef BUILD_BRIDGE

  1834.         // --------------------------------------------------------------------------------------------------------

  1835.         // Post-processing (dry/wet, volume and balance)

  1836. 

  1837.         {

  1838.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1839.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1840.             const bool isMono    = (pData->audioIn.count == 1);

  1841. 

  1842.             bool isPair;

  1843.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1844. 

  1845.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1846.             {

  1847.                 // Dry/Wet

  1848.                 if (doDryWet)

  1849.                 {

  1850.                     const uint32_t c = isMono ? 0 : i;

  1851. 

  1852.                     for (uint32_t k=0; k < frames; ++k)

  1853.                     {

  1854.                         if (k < pData->latency.frames)

  1855.                             bufValue = pData->latency.buffers[c][k];

  1856.                         else if (pData->latency.frames < frames)

  1857.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1858.                         else

  1859.                             bufValue = fAudioInBuffers[c][k];

  1860. 

  1861.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1862.                     }

  1863.                 }

  1864. 

  1865.                 // Balance

  1866.                 if (doBalance)

  1867.                 {

  1868.                     isPair = (i % 2 == 0);

  1869. 

  1870.                     if (isPair)

  1871.                     {

  1872.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1873.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], iframes);

  1874.                     }

  1875. 

  1876.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1877.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1878. 

  1879.                     for (uint32_t k=0; k < frames; ++k)

  1880.                     {

  1881.                         if (isPair)

  1882.                         {

  1883.                             // left

  1884.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1885.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1886.                         }

  1887.                         else

  1888.                         {

  1889.                             // right

  1890.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1891.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1892.                         }

  1893.                     }

  1894.                 }

  1895. 

  1896.                 // Volume (and buffer copy)

  1897.                 {

  1898.                     for (uint32_t k=0; k < frames; ++k)

  1899.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1900.                 }

  1901.             }

  1902. 

  1903.         } // End of Post-processing

  1904. 

  1905.         // --------------------------------------------------------------------------------------------------------

  1906.         // Save latency values for next callback

  1907. 

  1908.         if (const uint32_t latframes = pData->latency.frames)

  1909.         {

  1910.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1911. 

  1912.             if (latframes <= frames)

  1913.             {

  1914.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1915.                     FloatVectorOperations::copy(pData->latency.buffers[i], audioIn[i]+(frames-latframes), static_cast<int>(latframes));

  1916.             }

  1917.             else

  1918.             {

  1919.                 const uint32_t diff = pData->latency.frames-frames;

  1920. 

  1921.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1922.                 {

  1923.                     // push back buffer by 'frames'

  1924.                     for (k=0; k < diff; ++k)

  1925.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1926. 

  1927.                     // put current input at the end

  1928.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1929.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1930.                 }

  1931.             }

  1932.         }

  1933. 

  1934. #else // BUILD_BRIDGE

  1935.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1936.         {

  1937.             for (uint32_t k=0; k < frames; ++k)

  1938.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1939.         }

  1940. #endif

  1941. 

  1942.         // --------------------------------------------------------------------------------------------------------

  1943. 

  1944.         pData->singleMutex.unlock();

  1945.         return true;

  1946.     }

  1947. 

  1948.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1949.     {

  1950.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1951.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1952. 

  1953.         const int iBufferSize(static_cast<int>(newBufferSize));

  1954. 

  1955.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1956.         {

  1957.             if (fAudioInBuffers[i] != nullptr)

  1958.                 delete[] fAudioInBuffers[i];

  1959. 

  1960.             fAudioInBuffers[i] = new float[newBufferSize];

  1961.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  1962.         }

  1963. 

  1964.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1965.         {

  1966.             if (fAudioOutBuffers[i] != nullptr)

  1967.                 delete[] fAudioOutBuffers[i];

  1968. 

  1969.             fAudioOutBuffers[i] = new float[newBufferSize];

  1970.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  1971.         }

  1972. 

  1973.         if (fExtraStereoBuffer[0] != nullptr)

  1974.         {

  1975.             delete[] fExtraStereoBuffer[0];

  1976.             fExtraStereoBuffer[0] = nullptr;

  1977.         }

  1978. 

  1979.         if (fExtraStereoBuffer[1] != nullptr)

  1980.         {

  1981.             delete[] fExtraStereoBuffer[1];

  1982.             fExtraStereoBuffer[1] = nullptr;

  1983.         }

  1984. 

  1985.         if (fForcedStereoIn && pData->audioOut.count == 2)

  1986.         {

  1987.             fExtraStereoBuffer[0] = new float[newBufferSize];

  1988.             fExtraStereoBuffer[1] = new float[newBufferSize];

  1989.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  1990.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  1991.         }

  1992. 

  1993.         reconnectAudioPorts();

  1994. 

  1995.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  1996.     }

  1997. 

  1998.     void sampleRateChanged(const double newSampleRate) override

  1999.     {

  2000.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2001.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2002. 

  2003.         // TODO - handle UI stuff

  2004. 

  2005.         if (pData->active)

  2006.             deactivate();

  2007. 

  2008.         const std::size_t instanceCount(fHandles.count());

  2009. 

  2010.         if (fDescriptor->cleanup == nullptr)

  2011.         {

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

  2013.             {

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

  2015.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2016. 

  2017.                 try {

  2018.                     fDescriptor->cleanup(handle);

  2019.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2020.             }

  2021.         }

  2022. 

  2023.         fHandles.clear();

  2024. 

  2025.         for (std::size_t i=0; i<instanceCount; ++i)

  2026.             addInstance();

  2027. 

  2028.         reconnectAudioPorts();

  2029. 

  2030.         if (pData->active)

  2031.             activate();

  2032. 

  2033.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2034.     }

  2035. 

  2036.     void reconnectAudioPorts() const noexcept

  2037.     {

  2038.         if (fForcedStereoIn)

  2039.         {

  2040.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2041.             {

  2042.                 try {

  2043.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2044.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2045.             }

  2046. 

  2047.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2048.             {

  2049.                 try {

  2050.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2051.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2052.             }

  2053.         }

  2054.         else

  2055.         {

  2056.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2057.             {

  2058.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2059.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2060. 

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

  2062.                 {

  2063.                     try {

  2064.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2065.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2066.                 }

  2067.             }

  2068.         }

  2069. 

  2070.         if (fForcedStereoOut)

  2071.         {

  2072.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2073.             {

  2074.                 try {

  2075.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2076.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2077.             }

  2078. 

  2079.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2080.             {

  2081.                 try {

  2082.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2083.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2084.             }

  2085.         }

  2086.         else

  2087.         {

  2088.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2089.             {

  2090.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2091.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2092. 

  2093.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2094.                 {

  2095.                     try {

  2096.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2097.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2098.                 }

  2099.             }

  2100.         }

  2101.     }

  2102. 

  2103.     // -------------------------------------------------------------------

  2104.     // Plugin buffers

  2105. 

  2106.     void clearBuffers() noexcept override

  2107.     {

  2108.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2109. 

  2110.         if (fAudioInBuffers != nullptr)

  2111.         {

  2112.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2113.             {

  2114.                 if (fAudioInBuffers[i] != nullptr)

  2115.                 {

  2116.                     delete[] fAudioInBuffers[i];

  2117.                     fAudioInBuffers[i] = nullptr;

  2118.                 }

  2119.             }

  2120. 

  2121.             delete[] fAudioInBuffers;

  2122.             fAudioInBuffers = nullptr;

  2123.         }

  2124. 

  2125.         if (fAudioOutBuffers != nullptr)

  2126.         {

  2127.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2128.             {

  2129.                 if (fAudioOutBuffers[i] != nullptr)

  2130.                 {

  2131.                     delete[] fAudioOutBuffers[i];

  2132.                     fAudioOutBuffers[i] = nullptr;

  2133.                 }

  2134.             }

  2135. 

  2136.             delete[] fAudioOutBuffers;

  2137.             fAudioOutBuffers = nullptr;

  2138.         }

  2139. 

  2140.         if (fExtraStereoBuffer[0] != nullptr)

  2141.         {

  2142.             delete[] fExtraStereoBuffer[0];

  2143.             fExtraStereoBuffer[0] = nullptr;

  2144.         }

  2145. 

  2146.         if (fExtraStereoBuffer[1] != nullptr)

  2147.         {

  2148.             delete[] fExtraStereoBuffer[1];

  2149.             fExtraStereoBuffer[1] = nullptr;

  2150.         }

  2151. 

  2152.         if (fParamBuffers != nullptr)

  2153.         {

  2154.             delete[] fParamBuffers;

  2155.             fParamBuffers = nullptr;

  2156.         }

  2157. 

  2158.         CarlaPlugin::clearBuffers();

  2159. 

  2160.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2161.     }

  2162. 

  2163. #ifdef HAVE_LIBLO

  2164.     // -------------------------------------------------------------------

  2165.     // OSC stuff

  2166. 

  2167.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2168.     {

  2169.         const lo_address source(lo_message_get_source(msg));

  2170.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2171. 

  2172.         // protocol for DSSI UIs *must* be UDP

  2173.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2174. 

  2175.         if (fOscData.source == nullptr)

  2176.         {

  2177.             // if no UI is registered yet only "update" message is valid

  2178.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2179.         }

  2180.         else

  2181.         {

  2182.             // make sure message source is the DSSI UI

  2183.             const char* const msghost = lo_address_get_hostname(source);

  2184.             const char* const msgport = lo_address_get_port(source);

  2185. 

  2186.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2187.             const char* const ourport = lo_address_get_port(fOscData.source);

  2188. 

  2189.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2190.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2191.         }

  2192. 

  2193.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2194. 

  2195.         if (std::strcmp(method, "configure") == 0)

  2196.             return handleOscMessageConfigure(argc, argv, types);

  2197.         if (std::strcmp(method, "control") == 0)

  2198.             return handleOscMessageControl(argc, argv, types);

  2199.         if (std::strcmp(method, "program") == 0)

  2200.             return handleOscMessageProgram(argc, argv, types);

  2201.         if (std::strcmp(method, "midi") == 0)

  2202.             return handleOscMessageMIDI(argc, argv, types);

  2203.         if (std::strcmp(method, "update") == 0)

  2204.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2205.         if (std::strcmp(method, "exiting") == 0)

  2206.             return handleOscMessageExiting();

  2207. 

  2208.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2209.     }

  2210. 

  2211.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2212.     {

  2213.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2214.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2215. 

  2216.         const char* const key   = (const char*)&argv[0]->s;

  2217.         const char* const value = (const char*)&argv[1]->s;

  2218. 

  2219.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2220.     }

  2221. 

  2222.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2223.     {

  2224.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2225.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2226. 

  2227.         const int32_t rindex = argv[0]->i;

  2228.         const float   value  = argv[1]->f;

  2229. 

  2230.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2231.     }

  2232. 

  2233.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2234.     {

  2235.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2236.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2237. 

  2238.         const int32_t bank    = argv[0]->i;

  2239.         const int32_t program = argv[1]->i;

  2240. 

  2241.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2242.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2243. 

  2244.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2245.     }

  2246. 

  2247.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2248.     {

  2249.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2250.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2251. 

  2252.         if (getMidiInCount() == 0)

  2253.         {

  2254.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2255.             return;

  2256.         }

  2257. 

  2258.         const uint8_t* const data = argv[0]->m;

  2259.         uint8_t status  = data[1];

  2260.         uint8_t channel = status & 0x0F;

  2261. 

  2262.         // Fix bad note-off

  2263.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2264.             status = MIDI_STATUS_NOTE_OFF;

  2265. 

  2266.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2267.         {

  2268.             const uint8_t note = data[2];

  2269. 

  2270.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2271. 

  2272.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2273.         }

  2274.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2275.         {

  2276.             const uint8_t note = data[2];

  2277.             const uint8_t velo = data[3];

  2278. 

  2279.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2280.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2281. 

  2282.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2283.         }

  2284.     }

  2285. 

  2286.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2287.     {

  2288.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2289.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2290. 

  2291.         const char* const url = (const char*)&argv[0]->s;

  2292. 

  2293.         // FIXME - remove debug prints later

  2294.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2295. 

  2296.         fOscData.clear();

  2297. 

  2298.         const int proto = lo_address_get_protocol(source);

  2299. 

  2300.         {

  2301.             const char* host = lo_address_get_hostname(source);

  2302.             const char* port = lo_address_get_port(source);

  2303.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2304. 

  2305.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2306.         }

  2307. 

  2308.         {

  2309.             char* host = lo_url_get_hostname(url);

  2310.             char* port = lo_url_get_port(url);

  2311.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2312.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2313.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2314. 

  2315.             std::free(host);

  2316.             std::free(port);

  2317.         }

  2318. 

  2319.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2320. 

  2321.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2322.         {

  2323.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2324.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2325. 

  2326.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2327.                 osc_send_configure(fOscData, customData.key, customData.value);

  2328.         }

  2329. 

  2330.         if (pData->prog.current >= 0)

  2331.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2332. 

  2333.         if (pData->midiprog.current >= 0)

  2334.         {

  2335.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2336. 

  2337.             if (getType() == PLUGIN_DSSI)

  2338.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2339.             else

  2340.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2341.         }

  2342. 

  2343.         for (uint32_t i=0; i < pData->param.count; ++i)

  2344.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2345. 

  2346.         if (pData->engine->getOptions().frontendWinId != 0)

  2347.             pData->transientTryCounter = 1;

  2348. 

  2349.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2350.     }

  2351. 

  2352.     void handleOscMessageExiting()

  2353.     {

  2354.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2355. 

  2356.         // hide UI

  2357.         showCustomUI(false);

  2358. 

  2359.         // tell frontend

  2360.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2361.     }

  2362. 

  2363.     // -------------------------------------------------------------------

  2364.     // Post-poned UI Stuff

  2365. 

  2366.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2367.     {

  2368.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2369. 

  2370.         if (fOscData.target == nullptr)

  2371.             return;

  2372. 

  2373.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2374.     }

  2375. 

  2376.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2377.     {

  2378.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2379. 

  2380.         if (fOscData.target == nullptr)

  2381.             return;

  2382. 

  2383.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2384.     }

  2385. 

  2386.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2387.     {

  2388.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2389.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2390.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2391. 

  2392.         if (fOscData.target == nullptr)

  2393.             return;

  2394. 

  2395. #if 0

  2396.         uint8_t midiData[4];

  2397.         midiData[0] = 0;

  2398.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2399.         midiData[2] = note;

  2400.         midiData[3] = velo;

  2401. 

  2402.         osc_send_midi(fOscData, midiData);

  2403. #endif

  2404.     }

  2405. 

  2406.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2407.     {

  2408.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2409.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2410. 

  2411.         if (fOscData.target == nullptr)

  2412.             return;

  2413. 

  2414. #if 0

  2415.         uint8_t midiData[4];

  2416.         midiData[0] = 0;

  2417.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2418.         midiData[2] = note;

  2419.         midiData[3] = 0;

  2420. 

  2421.         osc_send_midi(fOscData, midiData);

  2422. #endif

  2423.     }

  2424. #endif // HAVE_LIBLO

  2425. 

  2426.     // -------------------------------------------------------------------

  2427. 

  2428.     const void* getNativeDescriptor() const noexcept override

  2429.     {

  2430.         return fDssiDescriptor;

  2431.     }

  2432. 

  2433. #ifdef HAVE_LIBLO

  2434.     uintptr_t getUiBridgeProcessId() const noexcept override

  2435.     {

  2436.         return fThreadUI.getProcessId();

  2437.     }

  2438. 

  2439.     const void* getExtraStuff() const noexcept override

  2440.     {

  2441.         return fUiFilename;

  2442.     }

  2443. #endif

  2444. 

  2445.     // -------------------------------------------------------------------

  2446. 

  2447.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2448.     {

  2449.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2450. 

  2451.         // ---------------------------------------------------------------

  2452.         // first checks

  2453. 

  2454.         if (pData->client != nullptr)

  2455.         {

  2456.             pData->engine->setLastError("Plugin client is already registered");

  2457.             return false;

  2458.         }

  2459. 

  2460.         if (filename == nullptr || filename[0] == '\0')

  2461.         {

  2462.             pData->engine->setLastError("null filename");

  2463.             return false;

  2464.         }

  2465. 

  2466.         if (label == nullptr || label[0] == '\0')

  2467.         {

  2468.             pData->engine->setLastError("null label");

  2469.             return false;

  2470.         }

  2471. 

  2472.         // ---------------------------------------------------------------

  2473.         // open DLL

  2474. 

  2475.         if (! pData->libOpen(filename))

  2476.         {

  2477.             pData->engine->setLastError(pData->libError(filename));

  2478.             return false;

  2479.         }

  2480. 

  2481.         // ---------------------------------------------------------------

  2482.         // get DLL main entry

  2483. 

  2484.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2485. 

  2486.         if (descFn == nullptr)

  2487.         {

  2488.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2489.             return false;

  2490.         }

  2491. 

  2492.         // ---------------------------------------------------------------

  2493.         // get descriptor that matches label

  2494. 

  2495.         for (ulong d=0;; ++d)

  2496.         {

  2497.             try {

  2498.                 fDssiDescriptor = descFn(d);

  2499.             }

  2500.             catch(...) {

  2501.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2502.                 fDescriptor     = nullptr;

  2503.                 fDssiDescriptor = nullptr;

  2504.                 break;

  2505.             }

  2506. 

  2507.             if (fDssiDescriptor == nullptr)

  2508.                 break;

  2509. 

  2510.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2511. 

  2512.             if (fDescriptor == nullptr)

  2513.             {

  2514.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2515.                 fDssiDescriptor = nullptr;

  2516.                 break;

  2517.             }

  2518.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2519.             {

  2520.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2521.                 fDescriptor     = nullptr;

  2522.                 fDssiDescriptor = nullptr;

  2523.                 break;

  2524.             }

  2525.             if (fDescriptor->run == nullptr)

  2526.             {

  2527.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2528.                 fDescriptor     = nullptr;

  2529.                 fDssiDescriptor = nullptr;

  2530.                 break;

  2531.             }

  2532. 

  2533.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2534.                 break;

  2535.         }

  2536. 

  2537.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2538.         {

  2539.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2540.             return false;

  2541.         }

  2542. 

  2543.         // ---------------------------------------------------------------

  2544.         // check if uses global instance

  2545. 

  2546.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2547.         {

  2548.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2549.             return false;

  2550.         }

  2551. 

  2552.         // ---------------------------------------------------------------

  2553.         // check for fixed buffer size requirement

  2554. 

  2555.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2556. 

  2557.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2558.         {

  2559.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2560.                                         "The plugin requires a fixed block size which is not possible right now.");

  2561.             return false;

  2562.         }

  2563. 

  2564.         // ---------------------------------------------------------------

  2565.         // get info

  2566. 

  2567.         if (name == nullptr || name[0] == '\0')

  2568.         {

  2569.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2570.                 name = fDescriptor->Name;

  2571.             else

  2572.                 name = fDescriptor->Label;

  2573.         }

  2574. 

  2575.         pData->name = pData->engine->getUniquePluginName(name);

  2576.         pData->filename = carla_strdup(filename);

  2577. 

  2578.         // ---------------------------------------------------------------

  2579.         // register client

  2580. 

  2581.         pData->client = pData->engine->addClient(this);

  2582. 

  2583.         if (pData->client == nullptr || ! pData->client->isOk())

  2584.         {

  2585.             pData->engine->setLastError("Failed to register plugin client");

  2586.             return false;

  2587.         }

  2588. 

  2589.         // ---------------------------------------------------------------

  2590.         // initialize plugin

  2591. 

  2592.         if (! addInstance())

  2593.             return false;

  2594. 

  2595.         // ---------------------------------------------------------------

  2596.         // find latency port index

  2597. 

  2598.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2599.         {

  2600.             const int portType(fDescriptor->PortDescriptors[i]);

  2601. 

  2602.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2603.                 continue;

  2604. 

  2605.             const uint32_t index(iCtrl++);

  2606. 

  2607.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2608.                 continue;

  2609. 

  2610.             const char* const portName(fDescriptor->PortNames[i]);

  2611.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2612. 

  2613.             if (std::strcmp(portName, "latency")  == 0 ||

  2614.                 std::strcmp(portName, "_latency") == 0)

  2615.             {

  2616.                 fLatencyIndex = static_cast<int32_t>(index);

  2617.                 break;

  2618.             }

  2619.         }

  2620. 

  2621.         // ---------------------------------------------------------------

  2622.         // check for custom data extension

  2623. 

  2624.         if (fDssiDescriptor->configure != nullptr)

  2625.         {

  2626.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2627.             {

  2628.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2629.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2630.                     fUsesCustomData = true;

  2631. 

  2632.                 std::free(error);

  2633.             }

  2634.         }

  2635. 

  2636. #ifdef HAVE_LIBLO

  2637.         // ---------------------------------------------------------------

  2638.         // check for gui

  2639. 

  2640.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2641.         {

  2642.             fUiFilename = guiFilename;

  2643.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2644.         }

  2645. #endif

  2646. 

  2647.         // ---------------------------------------------------------------

  2648.         // set default options

  2649. 

  2650.         pData->options = 0x0;

  2651. 

  2652.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2653.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2654.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2655.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2656. 

  2657.         /**/ if (pData->engine->getOptions().forceStereo)

  2658.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2659.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2660.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2661. 

  2662.         if (fUsesCustomData)

  2663.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2664. 

  2665.         if (fDssiDescriptor->run_synth != nullptr)

  2666.         {

  2667.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2668.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2669.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2670.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2671. 

  2672.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2673.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2674.         }

  2675. 

  2676.         return true;

  2677.     }

  2678. 

  2679.     // -------------------------------------------------------------------

  2680. 

  2681. private:

  2682.     LinkedList<LADSPA_Handle> fHandles;

  2683.     const LADSPA_Descriptor*  fDescriptor;

  2684.     const DSSI_Descriptor*    fDssiDescriptor;

  2685. 

  2686.     float** fAudioInBuffers;

  2687.     float** fAudioOutBuffers;

  2688.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2689.     float*  fParamBuffers;

  2690. 

  2691.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2692. 

  2693.     int32_t fLatencyIndex; // -1 if invalid

  2694.     bool    fForcedStereoIn;

  2695.     bool    fForcedStereoOut;

  2696.     bool    fNeedsFixedBuffers;

  2697.     bool    fUsesCustomData;

  2698. 

  2699. #ifdef HAVE_LIBLO

  2700.     CarlaOscData      fOscData;

  2701.     CarlaThreadDSSIUI fThreadUI;

  2702.     const char*       fUiFilename;

  2703. #endif

  2704. 

  2705.     // -------------------------------------------------------------------

  2706. 

  2707.     bool addInstance()

  2708.     {

  2709.         LADSPA_Handle handle;

  2710. 

  2711.         try {

  2712.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2713.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2714. 

  2715.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2716.         {

  2717.             const int32_t rindex(pData->param.data[i].rindex);

  2718.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2719. 

  2720.             try {

  2721.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2722.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2723.         }

  2724. 

  2725.         if (fHandles.append(handle))

  2726.             return true;

  2727. 

  2728.         try {

  2729.             fDescriptor->cleanup(handle);

  2730.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2731. 

  2732.         pData->engine->setLastError("Out of memory");

  2733.         return false;

  2734.     }

  2735. 

  2736.     uint32_t getSafePortCount() const noexcept

  2737.     {

  2738.         if (fDescriptor->PortCount == 0)

  2739.             return 0;

  2740. 

  2741.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2742.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2743.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2744. 

  2745.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2746.     }

  2747. 

  2748.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2749.     {

  2750.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2751.             return true;

  2752.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2753.             return true;

  2754.         return false;

  2755.     }

  2756. 

  2757.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2758.                                                      const bool wantName, const bool useBracket) noexcept

  2759.     {

  2760.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2761. 

  2762.         if (sepBracketStart == nullptr)

  2763.             return false;

  2764. 

  2765.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2766. 

  2767.         if (sepBracketEnd == nullptr)

  2768.             return false;

  2769. 

  2770.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2771. 

  2772.         if (unitSize > 7) // very unlikely to have such big unit

  2773.             return false;

  2774. 

  2775.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2776. 

  2777.         // just in case

  2778.         if (sepIndex+2 >= STR_MAX)

  2779.             return false;

  2780. 

  2781.         if (wantName)

  2782.         {

  2783.             std::strncpy(strBuf, paramName, sepIndex);

  2784.             strBuf[sepIndex] = '\0';

  2785.         }

  2786.         else

  2787.         {

  2788.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2789.             strBuf[unitSize] = '\0';

  2790.         }

  2791. 

  2792.         return true;

  2793.     }

  2794. 

  2795.     // -------------------------------------------------------------------

  2796. 

  2797.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2798. };

  2799. 

  2800. // -------------------------------------------------------------------------------------------------------------------

  2801. 

  2802. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2803. {

  2804.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2805.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2806. 

  2807.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2808. 

  2809.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2810.     {

  2811.         delete plugin;

  2812.         return nullptr;

  2813.     }

  2814. 

  2815.     return plugin;

  2816. }

  2817. 

  2818. // -------------------------------------------------------------------------------------------------------------------

  2819. 

  2820. CARLA_BACKEND_END_NAMESPACE