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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) 2011-2015 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.           fIsDssiVst(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 (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  303.         {

  304.             showCustomUI(false);

  305. 

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

  307.         }

  308. #endif

  309. 

  310.         pData->singleMutex.lock();

  311.         pData->masterMutex.lock();

  312. 

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

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

  315. 

  316.         if (pData->active)

  317.         {

  318.             deactivate();

  319.             pData->active = false;

  320.         }

  321. 

  322.         if (fDescriptor != nullptr)

  323.         {

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

  325.             {

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

  327.                 {

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

  329.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  330. 

  331.                     try {

  332.                         fDescriptor->cleanup(handle);

  333.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  334.                 }

  335.             }

  336. 

  337.             fHandles.clear();

  338.             fDescriptor = nullptr;

  339.             fDssiDescriptor = nullptr;

  340.         }

  341. 

  342. #ifdef HAVE_LIBLO

  343.         if (fUiFilename != nullptr)

  344.         {

  345.             delete[] fUiFilename;

  346.             fUiFilename = nullptr;

  347.         }

  348. #endif

  349. 

  350.         clearBuffers();

  351.     }

  352. 

  353.     // -------------------------------------------------------------------

  354.     // Information (base)

  355. 

  356.     PluginType getType() const noexcept override

  357.     {

  358.         return PLUGIN_DSSI;

  359.     }

  360. 

  361.     PluginCategory getCategory() const noexcept override

  362.     {

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

  364. 

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

  366.             return PLUGIN_CATEGORY_SYNTH;

  367. 

  368.         return CarlaPlugin::getCategory();

  369.     }

  370. 

  371.     int64_t getUniqueId() const noexcept override

  372.     {

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

  374. 

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

  376.     }

  377. 

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

  379.     // Information (count)

  380. 

  381.     // nothing

  382. 

  383.     // -------------------------------------------------------------------

  384.     // Information (current data)

  385. 

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

  387.     {

  388.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  394. 

  395.         *dataPtr = nullptr;

  396. 

  397.         int ret = 0;

  398.         ulong dataSize = 0;

  399. 

  400.         try {

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

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

  403. 

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

  405.     }

  406. 

  407.     // -------------------------------------------------------------------

  408.     // Information (per-plugin data)

  409. 

  410.     uint getOptionsAvailable() const noexcept override

  411.     {

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

  413. 

  414.         uint options = 0x0;

  415. 

  416.         if (! fIsDssiVst)

  417.         {

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

  419.             if (fLatencyIndex == -1)

  420.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  421. 

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

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

  424.                 pass();

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

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

  427.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  428.         }

  429. 

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

  431.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  432. 

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

  434.         {

  435.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  436.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  437.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  438.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  439.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  440.         }

  441. 

  442.         if (fUsesCustomData)

  443.             options |= PLUGIN_OPTION_USE_CHUNKS;

  444. 

  445.         return options;

  446.     }

  447. 

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

  449.     {

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

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

  452. 

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

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

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

  456. 

  457.         // not output, should be fine

  458.         return fParamBuffers[parameterId];

  459.     }

  460. 

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

  462.     {

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

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

  465. 

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

  467.     }

  468. 

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

  470.     {

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

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

  473. 

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

  475.     }

  476. 

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

  478.     {

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

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

  481. 

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

  483.     }

  484. 

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

  486.     {

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

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

  489. 

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

  491.     }

  492. 

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

  494.     {

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

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

  497. 

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

  499. 

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

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

  502. 

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

  504.             return;

  505. 

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

  507.     }

  508. 

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

  510.     {

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

  512. 

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

  514. 

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

  516. 

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

  518.             return;

  519. 

  520.         nullStrBuf(strBuf);

  521.     }

  522. 

  523.     // -------------------------------------------------------------------

  524.     // Set data (state)

  525. 

  526.     // nothing

  527. 

  528.     // -------------------------------------------------------------------

  529.     // Set data (internal stuff)

  530. 

  531.     void setId(const uint newId) noexcept override

  532.     {

  533.         CarlaPlugin::setId(newId);

  534. 

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

  536.         // FIXME - must be RT safe

  537.         showCustomUI(false);

  538.     }

  539. 

  540.     // -------------------------------------------------------------------

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

  542. 

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

  544.     {

  545.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  547. 

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

  549.         fParamBuffers[parameterId] = fixedValue;

  550. 

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

  552.     }

  553. 

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

  555.     {

  556.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  559.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  561. 

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

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

  564. 

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

  566.             return carla_stderr2("CarlaPluginDSSI::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui));

  567. 

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

  569.         {

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

  571.             {

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

  573.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  574. 

  575.                 try {

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

  577.                 } catch(...) {}

  578.             }

  579.         }

  580. 

  581. #ifdef HAVE_LIBLO

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

  583.             osc_send_configure(fOscData, key, value);

  584. #endif

  585. 

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

  587.         {

  588.             const ScopedSingleProcessLocker spl(this, true);

  589.             reloadPrograms(false);

  590.         }

  591. 

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

  593.     }

  594. 

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

  596.     {

  597.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  599.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  601.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  602.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  603. 

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

  605.         {

  606.             const ScopedSingleProcessLocker spl(this, true);

  607. 

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

  609.             {

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

  611.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  612. 

  613.                 try {

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

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

  616.             }

  617.         }

  618. 

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

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

  621. #else

  622.         const bool sendOsc(false);

  623. #endif

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

  625.     }

  626. 

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

  628.     {

  629.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  632. 

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

  634.         {

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

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

  637. 

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

  639. 

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

  641.             {

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

  643.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  644. 

  645.                 try {

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

  647.                 } catch(...) {}

  648.             }

  649.         }

  650. 

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

  652.     }

  653. 

  654. #ifdef HAVE_LIBLO

  655.     // -------------------------------------------------------------------

  656.     // Set ui stuff

  657. 

  658.     void showCustomUI(const bool yesNo) override

  659.     {

  660.         if (yesNo)

  661.         {

  662.             fOscData.clear();

  663.             fThreadUI.startThread();

  664.         }

  665.         else

  666.         {

  667.             pData->transientTryCounter = 0;

  668. 

  669.             if (fOscData.target != nullptr)

  670.             {

  671.                 osc_send_hide(fOscData);

  672.                 osc_send_quit(fOscData);

  673.                 fOscData.clear();

  674.             }

  675. 

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

  677.         }

  678.     }

  679. #endif

  680. 

  681. #if 0 // TODO

  682.     void idle() override

  683.     {

  684.         if (fLatencyChanged && fLatencyIndex != -1)

  685.         {

  686.             fLatencyChanged = false;

  687. 

  688.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  689. 

  690.             if (latency >= 0)

  691.             {

  692.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  693. 

  694.                 if (pData->latency != ulatency)

  695.                 {

  696.                     carla_stdout("latency changed to %i", latency);

  697. 

  698.                     const ScopedSingleProcessLocker sspl(this, true);

  699. 

  700.                     pData->latency = ulatency;

  701.                     pData->client->setLatency(ulatency);

  702. #ifndef BUILD_BRIDGE

  703.                     pData->recreateLatencyBuffers();

  704. #endif

  705.                 }

  706.             }

  707.             else

  708.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  709.         }

  710. 

  711.         CarlaPlugin::idle();

  712.     }

  713. #endif

  714. 

  715.     // -------------------------------------------------------------------

  716.     // Plugin state

  717. 

  718.     void reload() override

  719.     {

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

  721.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  722.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  725. 

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

  727. 

  728.         // Safely disable plugin for reload

  729.         const ScopedDisabler sd(this);

  730. 

  731.         if (pData->active)

  732.             deactivate();

  733. 

  734.         clearBuffers();

  735. 

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

  737.         const uint32_t portCount(getSafePortCount());

  738. 

  739.         uint32_t aIns, aOuts, mIns, params;

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

  741. 

  742.         bool forcedStereoIn, forcedStereoOut;

  743.         forcedStereoIn = forcedStereoOut = false;

  744. 

  745.         bool needsCtrlIn, needsCtrlOut;

  746.         needsCtrlIn = needsCtrlOut = false;

  747. 

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

  749.         {

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

  751. 

  752.             if (LADSPA_IS_PORT_AUDIO(portType))

  753.             {

  754.                 if (LADSPA_IS_PORT_INPUT(portType))

  755.                     aIns += 1;

  756.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  757.                     aOuts += 1;

  758.             }

  759.             else if (LADSPA_IS_PORT_CONTROL(portType))

  760.                 params += 1;

  761.         }

  762. 

  763.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  764.         {

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

  766.             {

  767.                 if (aIns == 1)

  768.                 {

  769.                     aIns = 2;

  770.                     forcedStereoIn = true;

  771.                 }

  772.                 if (aOuts == 1)

  773.                 {

  774.                     aOuts = 2;

  775.                     forcedStereoOut = true;

  776.                 }

  777.             }

  778.         }

  779. 

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

  781.         {

  782.             mIns = 1;

  783.             needsCtrlIn = true;

  784.         }

  785. 

  786.         if (aIns > 0)

  787.         {

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

  789.             fAudioInBuffers = new float*[aIns];

  790. 

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

  792.                 fAudioInBuffers[i] = nullptr;

  793.         }

  794. 

  795.         if (aOuts > 0)

  796.         {

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

  798.             fAudioOutBuffers = new float*[aOuts];

  799.             needsCtrlIn = true;

  800. 

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

  802.                 fAudioOutBuffers[i] = nullptr;

  803.         }

  804. 

  805.         if (params > 0)

  806.         {

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

  808. 

  809.             fParamBuffers = new float[params];

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

  811.         }

  812. 

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

  814.         CarlaString portName;

  815. 

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

  817.         {

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

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

  820. 

  821.             if (LADSPA_IS_PORT_AUDIO(portType))

  822.             {

  823.                 portName.clear();

  824. 

  825.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  826.                 {

  827.                     portName  = pData->name;

  828.                     portName += ":";

  829.                 }

  830. 

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

  832.                 {

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

  834.                 }

  835.                 else

  836.                 {

  837.                     if (LADSPA_IS_PORT_INPUT(portType))

  838.                     {

  839.                         if (aIns > 1)

  840.                         {

  841.                             portName += "audio-in_";

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

  843.                         }

  844.                         else

  845.                             portName += "audio-in";

  846.                     }

  847.                     else

  848.                     {

  849.                         if (aOuts > 1)

  850.                         {

  851.                             portName += "audio-out_";

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

  853.                         }

  854.                         else

  855.                             portName += "audio-out";

  856.                     }

  857.                 }

  858. 

  859.                 portName.truncate(portNameSize);

  860. 

  861.                 if (LADSPA_IS_PORT_INPUT(portType))

  862.                 {

  863.                     const uint32_t j = iAudioIn++;

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

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

  866. 

  867.                     if (forcedStereoIn)

  868.                     {

  869.                         portName += "_2";

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

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

  872.                     }

  873.                 }

  874.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  875.                 {

  876.                     const uint32_t j = iAudioOut++;

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

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

  879. 

  880.                     if (forcedStereoOut)

  881.                     {

  882.                         portName += "_2";

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

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

  885.                     }

  886.                 }

  887.                 else

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

  889.             }

  890.             else if (LADSPA_IS_PORT_CONTROL(portType))

  891.             {

  892.                 const uint32_t j = iCtrl++;

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

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

  895. 

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

  897. 

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

  899. 

  900.                 // min value

  901.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  902.                     min = portRangeHints.LowerBound;

  903.                 else

  904.                     min = 0.0f;

  905. 

  906.                 // max value

  907.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  908.                     max = portRangeHints.UpperBound;

  909.                 else

  910.                     max = 1.0f;

  911. 

  912.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  913.                 {

  914.                     min *= sampleRate;

  915.                     max *= sampleRate;

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

  917.                 }

  918. 

  919.                 if (min >= max)

  920.                 {

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

  922.                     max = min + 0.1f;

  923.                 }

  924. 

  925.                 // default value

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

  927. 

  928.                 if (def < min)

  929.                     def = min;

  930.                 else if (def > max)

  931.                     def = max;

  932. 

  933.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  934.                 {

  935.                     step = max - min;

  936.                     stepSmall = step;

  937.                     stepLarge = step;

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

  939.                 }

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

  941.                 {

  942.                     step = 1.0f;

  943.                     stepSmall = 1.0f;

  944.                     stepLarge = 10.0f;

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

  946.                 }

  947.                 else

  948.                 {

  949.                     const float range = max - min;

  950.                     step = range/100.0f;

  951.                     stepSmall = range/1000.0f;

  952.                     stepLarge = range/10.0f;

  953.                 }

  954. 

  955.                 if (LADSPA_IS_PORT_INPUT(portType))

  956.                 {

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

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

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

  960.                     needsCtrlIn = true;

  961. 

  962.                     // MIDI CC value

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

  964.                     {

  965.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  966.                         if (DSSI_CONTROLLER_IS_SET(controller) && DSSI_IS_CC(controller))

  967.                         {

  968.                             int16_t cc = DSSI_CC_NUMBER(controller);

  969.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  971.                         }

  972.                     }

  973.                 }

  974.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  975.                 {

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

  977. 

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

  979.                     {

  980.                         min = 0.0f;

  981.                         max = sampleRate;

  982.                         def = 0.0f;

  983.                         step = 1.0f;

  984.                         stepSmall = 1.0f;

  985.                         stepLarge = 1.0f;

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

  987.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  988.                         fLatencyIndex = static_cast<int32_t>(j);

  989.                     }

  990.                     else

  991.                     {

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

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

  994.                         needsCtrlOut = true;

  995.                     }

  996.                 }

  997.                 else

  998.                 {

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

  1000.                 }

  1001. 

  1002.                 // extra parameter hints

  1003.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1004.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1005. 

  1006.                 pData->param.ranges[j].min = min;

  1007.                 pData->param.ranges[j].max = max;

  1008.                 pData->param.ranges[j].def = def;

  1009.                 pData->param.ranges[j].step = step;

  1010.                 pData->param.ranges[j].stepSmall = stepSmall;

  1011.                 pData->param.ranges[j].stepLarge = stepLarge;

  1012. 

  1013.                 // Start parameters in their default values

  1014.                 fParamBuffers[j] = def;

  1015. 

  1016.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1017.                 {

  1018.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1019.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1020. 

  1021.                     try {

  1022.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1023.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1024.                 }

  1025.             }

  1026.             else

  1027.             {

  1028.                 // Not Audio or Control

  1029.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1030. 

  1031.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1032.                 {

  1033.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1034.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1035. 

  1036.                     try {

  1037.                         fDescriptor->connect_port(handle, i, nullptr);

  1038.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1039.                 }

  1040.             }

  1041.         }

  1042. 

  1043.         if (needsCtrlIn)

  1044.         {

  1045.             portName.clear();

  1046. 

  1047.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1048.             {

  1049.                 portName  = pData->name;

  1050.                 portName += ":";

  1051.             }

  1052. 

  1053.             portName += "events-in";

  1054.             portName.truncate(portNameSize);

  1055. 

  1056.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1057.         }

  1058. 

  1059.         if (needsCtrlOut)

  1060.         {

  1061.             portName.clear();

  1062. 

  1063.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1064.             {

  1065.                 portName  = pData->name;

  1066.                 portName += ":";

  1067.             }

  1068. 

  1069.             portName += "events-out";

  1070.             portName.truncate(portNameSize);

  1071. 

  1072.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1073.         }

  1074. 

  1075.         if (forcedStereoIn || forcedStereoOut)

  1076.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1077.         else

  1078.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1079. 

  1080.         // plugin hints

  1081.         pData->hints = 0x0;

  1082. 

  1083.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1084.             pData->hints |= PLUGIN_IS_RTSAFE;

  1085. 

  1086. #ifdef HAVE_LIBLO

  1087.         if (fUiFilename != nullptr)

  1088.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1089. #endif

  1090. 

  1091. #ifndef BUILD_BRIDGE

  1092.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1093.             pData->hints |= PLUGIN_CAN_DRYWET;

  1094. 

  1095.         if (aOuts > 0)

  1096.             pData->hints |= PLUGIN_CAN_VOLUME;

  1097. 

  1098.         if (aOuts >= 2 && aOuts % 2 == 0)

  1099.             pData->hints |= PLUGIN_CAN_BALANCE;

  1100. #endif

  1101. 

  1102.         // extra plugin hints

  1103.         pData->extraHints = 0x0;

  1104. 

  1105.         if (mIns > 0)

  1106.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1107. 

  1108.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1109.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1110. 

  1111. #if 0 // TODO

  1112.         // check latency

  1113.         if (fLatencyIndex >= 0)

  1114.         {

  1115.             // we need to pre-run the plugin so it can update its latency control-port

  1116. 

  1117.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1118.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1119. 

  1120.             for (uint32_t j=0; j < aIns; ++j)

  1121.             {

  1122.                 tmpIn[j][0] = 0.0f;

  1123.                 tmpIn[j][1] = 0.0f;

  1124. 

  1125.                 try {

  1126.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1127.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1128.             }

  1129. 

  1130.             for (uint32_t j=0; j < aOuts; ++j)

  1131.             {

  1132.                 tmpOut[j][0] = 0.0f;

  1133.                 tmpOut[j][1] = 0.0f;

  1134. 

  1135.                 try {

  1136.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1137.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1138.             }

  1139. 

  1140.             if (fDescriptor->activate != nullptr)

  1141.             {

  1142.                 try {

  1143.                     fDescriptor->activate(fHandle);

  1144.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1145.             }

  1146. 

  1147.             try {

  1148.                 fDescriptor->run(fHandle, 2);

  1149.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1150. 

  1151.             if (fDescriptor->deactivate != nullptr)

  1152.             {

  1153.                 try {

  1154.                     fDescriptor->deactivate(fHandle);

  1155.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1156.             }

  1157. 

  1158.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1159. 

  1160.             if (latency >= 0)

  1161.             {

  1162.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1163. 

  1164.                 if (pData->latency != ulatency)

  1165.                 {

  1166.                     carla_stdout("latency = %i", latency);

  1167. 

  1168.                     pData->latency = ulatency;

  1169.                     pData->client->setLatency(ulatency);

  1170. #ifndef BUILD_BRIDGE

  1171.                     pData->recreateLatencyBuffers();

  1172. #endif

  1173.                 }

  1174.             }

  1175.             else

  1176.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1177. 

  1178.             fLatencyChanged = false;

  1179.         }

  1180. #endif

  1181. 

  1182.         bufferSizeChanged(pData->engine->getBufferSize());

  1183.         reloadPrograms(true);

  1184. 

  1185.         if (pData->active)

  1186.             activate();

  1187. 

  1188.         carla_debug("CarlaPluginDSSI::reload() - end");

  1189.     }

  1190. 

  1191.     void reloadPrograms(const bool doInit) override

  1192.     {

  1193.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1194. 

  1195.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1196.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1197. 

  1198.         const uint32_t oldCount = pData->midiprog.count;

  1199.         const int32_t  current  = pData->midiprog.current;

  1200. 

  1201.         // Delete old programs

  1202.         pData->midiprog.clear();

  1203. 

  1204.         // Query new programs

  1205.         uint32_t newCount = 0;

  1206.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1207.         {

  1208.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1209.                 ++newCount;

  1210.         }

  1211. 

  1212.         if (newCount > 0)

  1213.         {

  1214.             pData->midiprog.createNew(newCount);

  1215. 

  1216.             // Update data

  1217.             for (uint32_t i=0; i < newCount; ++i)

  1218.             {

  1219.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1220.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1221.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1222. 

  1223.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1224.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1225.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1226.             }

  1227.         }

  1228. 

  1229. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1230.         // Update OSC Names

  1231.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1232.         {

  1233.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1234. 

  1235.             for (uint32_t i=0; i < newCount; ++i)

  1236.                 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);

  1237.         }

  1238. #endif

  1239. 

  1240.         if (doInit)

  1241.         {

  1242.             if (newCount > 0)

  1243.                 setMidiProgram(0, false, false, false);

  1244.         }

  1245.         else

  1246.         {

  1247.             // Check if current program is invalid

  1248.             bool programChanged = false;

  1249. 

  1250.             if (newCount == oldCount+1)

  1251.             {

  1252.                 // one midi program added, probably created by user

  1253.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1254.                 programChanged = true;

  1255.             }

  1256.             else if (current < 0 && newCount > 0)

  1257.             {

  1258.                 // programs exist now, but not before

  1259.                 pData->midiprog.current = 0;

  1260.                 programChanged = true;

  1261.             }

  1262.             else if (current >= 0 && newCount == 0)

  1263.             {

  1264.                 // programs existed before, but not anymore

  1265.                 pData->midiprog.current = -1;

  1266.                 programChanged = true;

  1267.             }

  1268.             else if (current >= static_cast<int32_t>(newCount))

  1269.             {

  1270.                 // current midi program > count

  1271.                 pData->midiprog.current = 0;

  1272.                 programChanged = true;

  1273.             }

  1274.             else

  1275.             {

  1276.                 // no change

  1277.                 pData->midiprog.current = current;

  1278.             }

  1279. 

  1280.             if (programChanged)

  1281.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1282. 

  1283.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1284.         }

  1285.     }

  1286. 

  1287.     // -------------------------------------------------------------------

  1288.     // Plugin processing

  1289. 

  1290.     void activate() noexcept override

  1291.     {

  1292.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1293. 

  1294.         if (fDescriptor->activate != nullptr)

  1295.         {

  1296.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1297.             {

  1298.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1299.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1300. 

  1301.                 try {

  1302.                     fDescriptor->activate(handle);

  1303.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1304.             }

  1305.         }

  1306.     }

  1307. 

  1308.     void deactivate() noexcept override

  1309.     {

  1310.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1311. 

  1312.         if (fDescriptor->deactivate != nullptr)

  1313.         {

  1314.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1315.             {

  1316.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1317.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1318. 

  1319.                 try {

  1320.                     fDescriptor->deactivate(handle);

  1321.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1322.             }

  1323.         }

  1324.     }

  1325. 

  1326.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1327.     {

  1328.         // --------------------------------------------------------------------------------------------------------

  1329.         // Check if active

  1330. 

  1331.         if (! pData->active)

  1332.         {

  1333.             // disable any output sound

  1334.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1335.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1336.             return;

  1337.         }

  1338. 

  1339.         ulong midiEventCount = 0;

  1340.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1341. 

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

  1343.         // Check if needs reset

  1344. 

  1345.         if (pData->needsReset)

  1346.         {

  1347.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1348.             {

  1349.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1350. 

  1351.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1352.                 {

  1353.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1354.                     fMidiEvents[i].data.control.channel = i;

  1355.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1356. 

  1357.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1358.                     fMidiEvents[k+i].data.control.channel = i;

  1359.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1360.                 }

  1361.             }

  1362.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1363.             {

  1364.                 midiEventCount = MAX_MIDI_NOTE;

  1365. 

  1366.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1367.                 {

  1368.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1369.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1370.                     fMidiEvents[i].data.note.note    = i;

  1371.                 }

  1372.             }

  1373. 

  1374. #ifndef BUILD_BRIDGE

  1375. #if 0 // TODO

  1376.             if (pData->latency > 0)

  1377.             {

  1378.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1379.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1380.             }

  1381. #endif

  1382. #endif

  1383. 

  1384.             pData->needsReset = false;

  1385.         }

  1386. 

  1387.         // --------------------------------------------------------------------------------------------------------

  1388.         // Event Input and Processing

  1389. 

  1390.         if (pData->event.portIn != nullptr)

  1391.         {

  1392.             // ----------------------------------------------------------------------------------------------------

  1393.             // MIDI Input (External)

  1394. 

  1395.             if (pData->extNotes.mutex.tryLock())

  1396.             {

  1397.                 ExternalMidiNote note = { 0, 0, 0 };

  1398. 

  1399.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1400.                 {

  1401.                     note = pData->extNotes.data.getFirst(note, true);

  1402.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1403. 

  1404.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1405. 

  1406.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1407.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1408.                     seqEvent.data.note.note     = note.note;

  1409.                     seqEvent.data.note.velocity = note.velo;

  1410.                 }

  1411. 

  1412.                 pData->extNotes.mutex.unlock();

  1413. 

  1414.             } // End of MIDI Input (External)

  1415. 

  1416.             // ----------------------------------------------------------------------------------------------------

  1417.             // Event Input (System)

  1418. 

  1419. #ifndef BUILD_BRIDGE

  1420.             bool       allNotesOffSent  = false;

  1421. #endif

  1422.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1423. 

  1424.             uint32_t startTime  = 0;

  1425.             uint32_t timeOffset = 0;

  1426.             uint32_t nextBankId;

  1427. 

  1428.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1429.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1430.             else

  1431.                 nextBankId = 0;

  1432. 

  1433.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1434.             {

  1435.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1436. 

  1437.                 if (event.time >= frames)

  1438.                     continue;

  1439. 

  1440.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1441. 

  1442.                 if (isSampleAccurate && event.time > timeOffset)

  1443.                 {

  1444.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1445.                     {

  1446.                         startTime  = 0;

  1447.                         timeOffset = event.time;

  1448.                         midiEventCount = 0;

  1449. 

  1450.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1451.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1452.                         else

  1453.                             nextBankId = 0;

  1454.                     }

  1455.                     else

  1456.                         startTime += timeOffset;

  1457.                 }

  1458. 

  1459.                 switch (event.type)

  1460.                 {

  1461.                 case kEngineEventTypeNull:

  1462.                     break;

  1463. 

  1464.                 case kEngineEventTypeControl: {

  1465.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1466. 

  1467.                     switch (ctrlEvent.type)

  1468.                     {

  1469.                     case kEngineControlEventTypeNull:

  1470.                         break;

  1471. 

  1472.                     case kEngineControlEventTypeParameter: {

  1473. #ifndef BUILD_BRIDGE

  1474.                         // Control backend stuff

  1475.                         if (event.channel == pData->ctrlChannel)

  1476.                         {

  1477.                             float value;

  1478. 

  1479.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1480.                             {

  1481.                                 value = ctrlEvent.value;

  1482.                                 setDryWet(value, false, false);

  1483.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1484.                             }

  1485. 

  1486.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1487.                             {

  1488.                                 value = ctrlEvent.value*127.0f/100.0f;

  1489.                                 setVolume(value, false, false);

  1490.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1491.                             }

  1492. 

  1493.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1494.                             {

  1495.                                 float left, right;

  1496.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1497. 

  1498.                                 if (value < 0.0f)

  1499.                                 {

  1500.                                     left  = -1.0f;

  1501.                                     right = (value*2.0f)+1.0f;

  1502.                                 }

  1503.                                 else if (value > 0.0f)

  1504.                                 {

  1505.                                     left  = (value*2.0f)-1.0f;

  1506.                                     right = 1.0f;

  1507.                                 }

  1508.                                 else

  1509.                                 {

  1510.                                     left  = -1.0f;

  1511.                                     right = 1.0f;

  1512.                                 }

  1513. 

  1514.                                 setBalanceLeft(left, false, false);

  1515.                                 setBalanceRight(right, false, false);

  1516.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1517.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1518.                             }

  1519.                         }

  1520. #endif

  1521.                         // Control plugin parameters

  1522.                         uint32_t k;

  1523.                         for (k=0; k < pData->param.count; ++k)

  1524.                         {

  1525.                             if (pData->param.data[k].midiChannel != event.channel)

  1526.                                 continue;

  1527.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1528.                                 continue;

  1529.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1530.                                 continue;

  1531.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1532.                                 continue;

  1533. 

  1534.                             float value;

  1535. 

  1536.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1537.                             {

  1538.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1539.                             }

  1540.                             else

  1541.                             {

  1542.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1543.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1544.                                 else

  1545.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1546. 

  1547.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1548.                                     value = std::rint(value);

  1549.                             }

  1550. 

  1551.                             setParameterValue(k, value, false, false, false);

  1552.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1553.                         }

  1554. 

  1555.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1556.                         {

  1557.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1558.                                 continue;

  1559. 

  1560.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1561. 

  1562.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1563. 

  1564.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1565.                             seqEvent.data.control.channel = event.channel;

  1566.                             seqEvent.data.control.param   = ctrlEvent.param;

  1567.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1568.                         }

  1569. 

  1570.                         break;

  1571.                     } // case kEngineControlEventTypeParameter

  1572. 

  1573.                     case kEngineControlEventTypeMidiBank:

  1574.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1575.                             nextBankId = ctrlEvent.param;

  1576.                         break;

  1577. 

  1578.                     case kEngineControlEventTypeMidiProgram:

  1579.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1580.                         {

  1581.                             const uint32_t nextProgramId = ctrlEvent.param;

  1582. 

  1583.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1584.                             {

  1585.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1586.                                 {

  1587.                                     const int32_t index(static_cast<int32_t>(k));

  1588.                                     setMidiProgram(index, false, false, false);

  1589.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1590.                                     break;

  1591.                                 }

  1592.                             }

  1593.                         }

  1594.                         break;

  1595. 

  1596.                     case kEngineControlEventTypeAllSoundOff:

  1597.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1598.                         {

  1599.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1600.                                 continue;

  1601. 

  1602.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1603. 

  1604.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1605. 

  1606.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1607.                             seqEvent.data.control.channel = event.channel;

  1608.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1609.                         }

  1610.                         break;

  1611. 

  1612.                     case kEngineControlEventTypeAllNotesOff:

  1613.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1614.                         {

  1615. #ifndef BUILD_BRIDGE

  1616.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1617.                             {

  1618.                                 allNotesOffSent = true;

  1619.                                 sendMidiAllNotesOffToCallback();

  1620.                             }

  1621. #endif

  1622. 

  1623.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1624.                                 continue;

  1625. 

  1626.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1627. 

  1628.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1629. 

  1630.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1631.                             seqEvent.data.control.channel = event.channel;

  1632.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1633.                         }

  1634.                         break;

  1635.                     } // switch (ctrlEvent.type)

  1636.                     break;

  1637.                 } // case kEngineEventTypeControl

  1638. 

  1639.                 case kEngineEventTypeMidi: {

  1640.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1641.                         continue;

  1642. 

  1643.                     const EngineMidiEvent& midiEvent(event.midi);

  1644. 

  1645.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1646.                         continue;

  1647. 

  1648.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1649. 

  1650.                     // Fix bad note-off (per DSSI spec)

  1651.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1652.                         status = MIDI_STATUS_NOTE_OFF;

  1653. 

  1654.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1655. 

  1656.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1657. 

  1658.                     switch (status)

  1659.                     {

  1660.                     case MIDI_STATUS_NOTE_OFF: {

  1661.                         const uint8_t note = midiEvent.data[1];

  1662. 

  1663.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1664.                         seqEvent.data.note.channel = event.channel;

  1665.                         seqEvent.data.note.note    = note;

  1666. 

  1667.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1668.                         break;

  1669.                     }

  1670. 

  1671.                     case MIDI_STATUS_NOTE_ON: {

  1672.                         const uint8_t note = midiEvent.data[1];

  1673.                         const uint8_t velo = midiEvent.data[2];

  1674. 

  1675.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1676.                         seqEvent.data.note.channel  = event.channel;

  1677.                         seqEvent.data.note.note     = note;

  1678.                         seqEvent.data.note.velocity = velo;

  1679. 

  1680.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1681.                         break;

  1682.                     }

  1683. 

  1684.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1685.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1686.                         {

  1687.                             const uint8_t note     = midiEvent.data[1];

  1688.                             const uint8_t pressure = midiEvent.data[2];

  1689. 

  1690.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1691.                             seqEvent.data.note.channel  = event.channel;

  1692.                             seqEvent.data.note.note     = note;

  1693.                             seqEvent.data.note.velocity = pressure;

  1694.                         }

  1695.                         break;

  1696. 

  1697.                     case MIDI_STATUS_CONTROL_CHANGE:

  1698.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1699.                         {

  1700.                             const uint8_t control = midiEvent.data[1];

  1701.                             const uint8_t value   = midiEvent.data[2];

  1702. 

  1703.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1704.                             seqEvent.data.control.channel = event.channel;

  1705.                             seqEvent.data.control.param   = control;

  1706.                             seqEvent.data.control.value   = value;

  1707.                         }

  1708.                         break;

  1709. 

  1710.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1711.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1712.                         {

  1713.                             const uint8_t pressure = midiEvent.data[1];

  1714. 

  1715.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1716.                             seqEvent.data.control.channel = event.channel;

  1717.                             seqEvent.data.control.value   = pressure;

  1718.                         }

  1719.                         break;

  1720. 

  1721.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1722.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1723.                         {

  1724.                             const uint8_t lsb = midiEvent.data[1];

  1725.                             const uint8_t msb = midiEvent.data[2];

  1726. 

  1727.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1728.                             seqEvent.data.control.channel = event.channel;

  1729.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1730.                         }

  1731.                         break;

  1732. 

  1733.                     default:

  1734.                         --midiEventCount;

  1735.                         break;

  1736.                     } // switch (status)

  1737.                 } break;

  1738.                 } // switch (event.type)

  1739.             }

  1740. 

  1741.             pData->postRtEvents.trySplice();

  1742. 

  1743.             if (frames > timeOffset)

  1744.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1745. 

  1746.         } // End of Event Input and Processing

  1747. 

  1748.         // --------------------------------------------------------------------------------------------------------

  1749.         // Plugin processing (no events)

  1750. 

  1751.         else

  1752.         {

  1753.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1754. 

  1755.         } // End of Plugin processing (no events)

  1756. 

  1757. #ifndef BUILD_BRIDGE

  1758. #if 0 // TODO

  1759.         // --------------------------------------------------------------------------------------------------------

  1760.         // Latency, save values for next callback

  1761. 

  1762.         if (fLatencyIndex != -1)

  1763.         {

  1764.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1765.             {

  1766.                 fLatencyChanged = true;

  1767.             }

  1768.             else if (pData->latency > 0)

  1769.             {

  1770.                 if (pData->latency <= frames)

  1771.                 {

  1772.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1773.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1774.                 }

  1775.                 else

  1776.                 {

  1777.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1778.                     {

  1779.                         for (k=0; k < pData->latency-frames; ++k)

  1780.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1781.                         for (j=0; k < pData->latency; ++j, ++k)

  1782.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1783.                     }

  1784.                 }

  1785.             }

  1786.         }

  1787. #endif

  1788. 

  1789.         // --------------------------------------------------------------------------------------------------------

  1790.         // Control Output

  1791. 

  1792.         if (pData->event.portOut != nullptr)

  1793.         {

  1794.             uint8_t  channel;

  1795.             uint16_t param;

  1796.             float    value;

  1797. 

  1798.             for (uint32_t k=0; k < pData->param.count; ++k)

  1799.             {

  1800.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1801.                     continue;

  1802. 

  1803.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1804. 

  1805.                 if (pData->param.data[k].midiCC > 0)

  1806.                 {

  1807.                     channel = pData->param.data[k].midiChannel;

  1808.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1809.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1810.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1811.                 }

  1812.             }

  1813.         } // End of Control Output

  1814. #endif

  1815.     }

  1816. 

  1817.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1818.                        const uint32_t timeOffset, const ulong midiEventCount)

  1819.     {

  1820.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1821. 

  1822.         if (pData->audioIn.count > 0)

  1823.         {

  1824.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1825.         }

  1826.         if (pData->audioOut.count > 0)

  1827.         {

  1828.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1829.         }

  1830. 

  1831.         // --------------------------------------------------------------------------------------------------------

  1832.         // Try lock, silence otherwise

  1833. 

  1834.         if (pData->engine->isOffline())

  1835.         {

  1836.             pData->singleMutex.lock();

  1837.         }

  1838.         else if (! pData->singleMutex.tryLock())

  1839.         {

  1840.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1841.             {

  1842.                 for (uint32_t k=0; k < frames; ++k)

  1843.                     audioOut[i][k+timeOffset] = 0.0f;

  1844.             }

  1845. 

  1846.             return false;

  1847.         }

  1848. 

  1849.         const int iframes(static_cast<int>(frames));

  1850. 

  1851.         // --------------------------------------------------------------------------------------------------------

  1852.         // Handle needsReset

  1853. 

  1854.         if (pData->needsReset)

  1855.         {

  1856.             if (pData->latency.frames > 0)

  1857.             {

  1858.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1859.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1860.             }

  1861. 

  1862.             pData->needsReset = false;

  1863.         }

  1864. 

  1865.         // --------------------------------------------------------------------------------------------------------

  1866.         // Set audio buffers

  1867. 

  1868.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1869.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1870. 

  1871.         if (! customMonoOut)

  1872.         {

  1873.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1874.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1875.         }

  1876. 

  1877.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1878.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1879. 

  1880.         // --------------------------------------------------------------------------------------------------------

  1881.         // Run plugin

  1882. 

  1883.         uint instn = 0;

  1884.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1885.         {

  1886.             LADSPA_Handle const handle(it.getValue(nullptr));

  1887.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1888. 

  1889.             // ----------------------------------------------------------------------------------------------------

  1890.             // Mixdown for forced stereo

  1891. 

  1892.             if (customMonoOut)

  1893.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1894. 

  1895.             // ----------------------------------------------------------------------------------------------------

  1896.             // Run it

  1897. 

  1898.             if (fDssiDescriptor->run_synth != nullptr)

  1899.             {

  1900.                 try {

  1901.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1902.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1903.             }

  1904.             else

  1905.             {

  1906.                 try {

  1907.                     fDescriptor->run(handle, frames);

  1908.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1909.             }

  1910. 

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

  1912.             // Mixdown for forced stereo

  1913. 

  1914.             if (customMonoOut)

  1915.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1916.             else if (customStereoOut)

  1917.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1918.         }

  1919. 

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

  1921.         // Run plugin

  1922. 

  1923. #ifndef BUILD_BRIDGE

  1924.         // --------------------------------------------------------------------------------------------------------

  1925.         // Post-processing (dry/wet, volume and balance)

  1926. 

  1927.         {

  1928.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1929.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1930.             const bool isMono    = (pData->audioIn.count == 1);

  1931. 

  1932.             bool isPair;

  1933.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1934. 

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

  1936.             {

  1937.                 // Dry/Wet

  1938.                 if (doDryWet)

  1939.                 {

  1940.                     for (uint32_t k=0; k < frames; ++k)

  1941.                     {

  1942. #if 0 // TODO

  1943.                         if (k < pData->latency)

  1944.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1945.                         else if (pData->latency < frames)

  1946.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1947.                         else

  1948. #endif

  1949.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1950. 

  1951.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1952.                     }

  1953.                 }

  1954. 

  1955.                 // Balance

  1956.                 if (doBalance)

  1957.                 {

  1958.                     isPair = (i % 2 == 0);

  1959. 

  1960.                     if (isPair)

  1961.                     {

  1962.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1963.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1964.                     }

  1965. 

  1966.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1967.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1968. 

  1969.                     for (uint32_t k=0; k < frames; ++k)

  1970.                     {

  1971.                         if (isPair)

  1972.                         {

  1973.                             // left

  1974.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1975.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1976.                         }

  1977.                         else

  1978.                         {

  1979.                             // right

  1980.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1981.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1982.                         }

  1983.                     }

  1984.                 }

  1985. 

  1986.                 // Volume (and buffer copy)

  1987.                 {

  1988.                     for (uint32_t k=0; k < frames; ++k)

  1989.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1990.                 }

  1991.             }

  1992. 

  1993.         } // End of Post-processing

  1994. 

  1995. #else // BUILD_BRIDGE

  1996.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1997.         {

  1998.             for (uint32_t k=0; k < frames; ++k)

  1999.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2000.         }

  2001. #endif

  2002. 

  2003. #if 0

  2004.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2005.         {

  2006.             for (uint32_t k=0; k < frames; ++k)

  2007.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2008.         }

  2009. #endif

  2010. 

  2011.         // --------------------------------------------------------------------------------------------------------

  2012. 

  2013.         pData->singleMutex.unlock();

  2014.         return true;

  2015.     }

  2016. 

  2017.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2018.     {

  2019.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2020.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2021. 

  2022.         const int iBufferSize(static_cast<int>(newBufferSize));

  2023. 

  2024.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2025.         {

  2026.             if (fAudioInBuffers[i] != nullptr)

  2027.                 delete[] fAudioInBuffers[i];

  2028. 

  2029.             fAudioInBuffers[i] = new float[newBufferSize];

  2030.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2031.         }

  2032. 

  2033.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2034.         {

  2035.             if (fAudioOutBuffers[i] != nullptr)

  2036.                 delete[] fAudioOutBuffers[i];

  2037. 

  2038.             fAudioOutBuffers[i] = new float[newBufferSize];

  2039.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2040.         }

  2041. 

  2042.         if (fExtraStereoBuffer[0] != nullptr)

  2043.         {

  2044.             delete[] fExtraStereoBuffer[0];

  2045.             fExtraStereoBuffer[0] = nullptr;

  2046.         }

  2047. 

  2048.         if (fExtraStereoBuffer[1] != nullptr)

  2049.         {

  2050.             delete[] fExtraStereoBuffer[1];

  2051.             fExtraStereoBuffer[1] = nullptr;

  2052.         }

  2053. 

  2054.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2055.         {

  2056.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2057.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2058.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2059.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2060.         }

  2061. 

  2062.         reconnectAudioPorts();

  2063. 

  2064.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2065.     }

  2066. 

  2067.     void sampleRateChanged(const double newSampleRate) override

  2068.     {

  2069.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2070.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2071. 

  2072.         // TODO - handle UI stuff

  2073. 

  2074.         if (pData->active)

  2075.             deactivate();

  2076. 

  2077.         const std::size_t instanceCount(fHandles.count());

  2078. 

  2079.         if (fDescriptor->cleanup == nullptr)

  2080.         {

  2081.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2082.             {

  2083.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2084.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2085. 

  2086.                 try {

  2087.                     fDescriptor->cleanup(handle);

  2088.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2089.             }

  2090.         }

  2091. 

  2092.         fHandles.clear();

  2093. 

  2094.         for (std::size_t i=0; i<instanceCount; ++i)

  2095.             addInstance();

  2096. 

  2097.         reconnectAudioPorts();

  2098. 

  2099.         if (pData->active)

  2100.             activate();

  2101. 

  2102.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2103.     }

  2104. 

  2105.     void reconnectAudioPorts() const noexcept

  2106.     {

  2107.         if (fForcedStereoIn)

  2108.         {

  2109.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2110.             {

  2111.                 try {

  2112.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2113.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2114.             }

  2115. 

  2116.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2117.             {

  2118.                 try {

  2119.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2120.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2121.             }

  2122.         }

  2123.         else

  2124.         {

  2125.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2126.             {

  2127.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2128.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2129. 

  2130.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2131.                 {

  2132.                     try {

  2133.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2134.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2135.                 }

  2136.             }

  2137.         }

  2138. 

  2139.         if (fForcedStereoOut)

  2140.         {

  2141.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2142.             {

  2143.                 try {

  2144.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2145.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2146.             }

  2147. 

  2148.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2149.             {

  2150.                 try {

  2151.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2152.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2153.             }

  2154.         }

  2155.         else

  2156.         {

  2157.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2158.             {

  2159.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2160.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2161. 

  2162.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2163.                 {

  2164.                     try {

  2165.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2166.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2167.                 }

  2168.             }

  2169.         }

  2170.     }

  2171. 

  2172.     // -------------------------------------------------------------------

  2173.     // Plugin buffers

  2174. 

  2175.     void clearBuffers() noexcept override

  2176.     {

  2177.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2178. 

  2179.         if (fAudioInBuffers != nullptr)

  2180.         {

  2181.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2182.             {

  2183.                 if (fAudioInBuffers[i] != nullptr)

  2184.                 {

  2185.                     delete[] fAudioInBuffers[i];

  2186.                     fAudioInBuffers[i] = nullptr;

  2187.                 }

  2188.             }

  2189. 

  2190.             delete[] fAudioInBuffers;

  2191.             fAudioInBuffers = nullptr;

  2192.         }

  2193. 

  2194.         if (fAudioOutBuffers != nullptr)

  2195.         {

  2196.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2197.             {

  2198.                 if (fAudioOutBuffers[i] != nullptr)

  2199.                 {

  2200.                     delete[] fAudioOutBuffers[i];

  2201.                     fAudioOutBuffers[i] = nullptr;

  2202.                 }

  2203.             }

  2204. 

  2205.             delete[] fAudioOutBuffers;

  2206.             fAudioOutBuffers = nullptr;

  2207.         }

  2208. 

  2209.         if (fExtraStereoBuffer[0] != nullptr)

  2210.         {

  2211.             delete[] fExtraStereoBuffer[0];

  2212.             fExtraStereoBuffer[0] = nullptr;

  2213.         }

  2214. 

  2215.         if (fExtraStereoBuffer[1] != nullptr)

  2216.         {

  2217.             delete[] fExtraStereoBuffer[1];

  2218.             fExtraStereoBuffer[1] = nullptr;

  2219.         }

  2220. 

  2221.         if (fParamBuffers != nullptr)

  2222.         {

  2223.             delete[] fParamBuffers;

  2224.             fParamBuffers = nullptr;

  2225.         }

  2226. 

  2227.         CarlaPlugin::clearBuffers();

  2228. 

  2229.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2230.     }

  2231. 

  2232. #ifdef HAVE_LIBLO

  2233.     // -------------------------------------------------------------------

  2234.     // OSC stuff

  2235. 

  2236.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2237.     {

  2238.         const lo_address source(lo_message_get_source(msg));

  2239.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2240. 

  2241.         // protocol for DSSI UIs *must* be UDP

  2242.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2243. 

  2244.         if (fOscData.source == nullptr)

  2245.         {

  2246.             // if no UI is registered yet only "update" message is valid

  2247.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2248.         }

  2249.         else

  2250.         {

  2251.             // make sure message source is the DSSI UI

  2252.             const char* const msghost = lo_address_get_hostname(source);

  2253.             const char* const msgport = lo_address_get_port(source);

  2254. 

  2255.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2256.             const char* const ourport = lo_address_get_port(fOscData.source);

  2257. 

  2258.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2259.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2260.         }

  2261. 

  2262.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2263. 

  2264.         if (std::strcmp(method, "configure") == 0)

  2265.             return handleOscMessageConfigure(argc, argv, types);

  2266.         if (std::strcmp(method, "control") == 0)

  2267.             return handleOscMessageControl(argc, argv, types);

  2268.         if (std::strcmp(method, "program") == 0)

  2269.             return handleOscMessageProgram(argc, argv, types);

  2270.         if (std::strcmp(method, "midi") == 0)

  2271.             return handleOscMessageMIDI(argc, argv, types);

  2272.         if (std::strcmp(method, "update") == 0)

  2273.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2274.         if (std::strcmp(method, "exiting") == 0)

  2275.             return handleOscMessageExiting();

  2276. 

  2277.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2278.     }

  2279. 

  2280.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2281.     {

  2282.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2283.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2284. 

  2285.         const char* const key   = (const char*)&argv[0]->s;

  2286.         const char* const value = (const char*)&argv[1]->s;

  2287. 

  2288.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2289.     }

  2290. 

  2291.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2292.     {

  2293.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2294.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2295. 

  2296.         const int32_t rindex = argv[0]->i;

  2297.         const float   value  = argv[1]->f;

  2298. 

  2299.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2300.     }

  2301. 

  2302.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2303.     {

  2304.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2305.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2306. 

  2307.         const int32_t bank    = argv[0]->i;

  2308.         const int32_t program = argv[1]->i;

  2309. 

  2310.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2311.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2312. 

  2313.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2314.     }

  2315. 

  2316.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2317.     {

  2318.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2319.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2320. 

  2321.         if (getMidiInCount() == 0)

  2322.         {

  2323.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2324.             return;

  2325.         }

  2326. 

  2327.         const uint8_t* const data = argv[0]->m;

  2328.         uint8_t status  = data[1];

  2329.         uint8_t channel = status & 0x0F;

  2330. 

  2331.         // Fix bad note-off

  2332.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2333.             status = MIDI_STATUS_NOTE_OFF;

  2334. 

  2335.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2336.         {

  2337.             const uint8_t note = data[2];

  2338. 

  2339.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2340. 

  2341.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2342.         }

  2343.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2344.         {

  2345.             const uint8_t note = data[2];

  2346.             const uint8_t velo = data[3];

  2347. 

  2348.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2349.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2350. 

  2351.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2352.         }

  2353.     }

  2354. 

  2355.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2356.     {

  2357.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2358.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2359. 

  2360.         const char* const url = (const char*)&argv[0]->s;

  2361. 

  2362.         // FIXME - remove debug prints later

  2363.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2364. 

  2365.         fOscData.clear();

  2366. 

  2367.         const int proto = lo_address_get_protocol(source);

  2368. 

  2369.         {

  2370.             const char* host = lo_address_get_hostname(source);

  2371.             const char* port = lo_address_get_port(source);

  2372.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2373. 

  2374.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2375.         }

  2376. 

  2377.         {

  2378.             char* host = lo_url_get_hostname(url);

  2379.             char* port = lo_url_get_port(url);

  2380.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2381.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2382.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2383. 

  2384.             std::free(host);

  2385.             std::free(port);

  2386.         }

  2387. 

  2388.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2389. 

  2390.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2391.         {

  2392.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2393.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2394. 

  2395.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2396.                 osc_send_configure(fOscData, customData.key, customData.value);

  2397.         }

  2398. 

  2399.         if (pData->prog.current >= 0)

  2400.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2401. 

  2402.         if (pData->midiprog.current >= 0)

  2403.         {

  2404.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2405. 

  2406.             if (getType() == PLUGIN_DSSI)

  2407.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2408.             else

  2409.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2410.         }

  2411. 

  2412.         for (uint32_t i=0; i < pData->param.count; ++i)

  2413.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2414. 

  2415.         if (pData->engine->getOptions().frontendWinId != 0)

  2416.             pData->transientTryCounter = 1;

  2417. 

  2418.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2419.     }

  2420. 

  2421.     void handleOscMessageExiting()

  2422.     {

  2423.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2424. 

  2425.         // hide UI

  2426.         showCustomUI(false);

  2427. 

  2428.         // tell frontend

  2429.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2430.     }

  2431. 

  2432.     // -------------------------------------------------------------------

  2433.     // Post-poned UI Stuff

  2434. 

  2435.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2436.     {

  2437.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2438. 

  2439.         if (fOscData.target == nullptr)

  2440.             return;

  2441. 

  2442.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2443.     }

  2444. 

  2445.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2446.     {

  2447.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2448. 

  2449.         if (fOscData.target == nullptr)

  2450.             return;

  2451. 

  2452.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2453.     }

  2454. 

  2455.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2456.     {

  2457.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2458.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2459.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2460. 

  2461.         if (fOscData.target == nullptr)

  2462.             return;

  2463. 

  2464. #if 0

  2465.         uint8_t midiData[4];

  2466.         midiData[0] = 0;

  2467.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2468.         midiData[2] = note;

  2469.         midiData[3] = velo;

  2470. 

  2471.         osc_send_midi(fOscData, midiData);

  2472. #endif

  2473.     }

  2474. 

  2475.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2476.     {

  2477.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2478.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2479. 

  2480.         if (fOscData.target == nullptr)

  2481.             return;

  2482. 

  2483. #if 0

  2484.         uint8_t midiData[4];

  2485.         midiData[0] = 0;

  2486.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2487.         midiData[2] = note;

  2488.         midiData[3] = 0;

  2489. 

  2490.         osc_send_midi(fOscData, midiData);

  2491. #endif

  2492.     }

  2493. #endif // HAVE_LIBLO

  2494. 

  2495.     // -------------------------------------------------------------------

  2496. 

  2497.     const void* getNativeDescriptor() const noexcept override

  2498.     {

  2499.         return fDssiDescriptor;

  2500.     }

  2501. 

  2502. #ifdef HAVE_LIBLO

  2503.     uintptr_t getUiBridgeProcessId() const noexcept override

  2504.     {

  2505.         return fThreadUI.getProcessId();

  2506.     }

  2507. 

  2508.     const void* getExtraStuff() const noexcept override

  2509.     {

  2510.         return fUiFilename;

  2511.     }

  2512. #endif

  2513. 

  2514.     // -------------------------------------------------------------------

  2515. 

  2516.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2517.     {

  2518.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2519. 

  2520.         // ---------------------------------------------------------------

  2521.         // first checks

  2522. 

  2523.         if (pData->client != nullptr)

  2524.         {

  2525.             pData->engine->setLastError("Plugin client is already registered");

  2526.             return false;

  2527.         }

  2528. 

  2529.         if (filename == nullptr || filename[0] == '\0')

  2530.         {

  2531.             pData->engine->setLastError("null filename");

  2532.             return false;

  2533.         }

  2534. 

  2535.         if (label == nullptr || label[0] == '\0')

  2536.         {

  2537.             pData->engine->setLastError("null label");

  2538.             return false;

  2539.         }

  2540. 

  2541.         // ---------------------------------------------------------------

  2542.         // open DLL

  2543. 

  2544.         if (! pData->libOpen(filename))

  2545.         {

  2546.             pData->engine->setLastError(pData->libError(filename));

  2547.             return false;

  2548.         }

  2549. 

  2550.         // ---------------------------------------------------------------

  2551.         // get DLL main entry

  2552. 

  2553.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2554. 

  2555.         if (descFn == nullptr)

  2556.         {

  2557.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2558.             return false;

  2559.         }

  2560. 

  2561.         // ---------------------------------------------------------------

  2562.         // get descriptor that matches label

  2563. 

  2564.         for (ulong d=0;; ++d)

  2565.         {

  2566.             try {

  2567.                 fDssiDescriptor = descFn(d);

  2568.             }

  2569.             catch(...) {

  2570.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2571.                 fDescriptor     = nullptr;

  2572.                 fDssiDescriptor = nullptr;

  2573.                 break;

  2574.             }

  2575. 

  2576.             if (fDssiDescriptor == nullptr)

  2577.                 break;

  2578. 

  2579.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2580. 

  2581.             if (fDescriptor == nullptr)

  2582.             {

  2583.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2584.                 fDssiDescriptor = nullptr;

  2585.                 break;

  2586.             }

  2587.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2588.             {

  2589.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2590.                 fDescriptor     = nullptr;

  2591.                 fDssiDescriptor = nullptr;

  2592.                 break;

  2593.             }

  2594.             if (fDescriptor->run == nullptr)

  2595.             {

  2596.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2597.                 fDescriptor     = nullptr;

  2598.                 fDssiDescriptor = nullptr;

  2599.                 break;

  2600.             }

  2601. 

  2602.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2603.                 break;

  2604.         }

  2605. 

  2606.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2607.         {

  2608.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2609.             return false;

  2610.         }

  2611. 

  2612.         // ---------------------------------------------------------------

  2613.         // check if uses global instance

  2614. 

  2615.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2616.         {

  2617.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2618.             return false;

  2619.         }

  2620. 

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

  2622.         // get info

  2623. 

  2624.         if (name == nullptr || name[0] == '\0')

  2625.         {

  2626.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2627.                 name = fDescriptor->Name;

  2628.             else

  2629.                 name = fDescriptor->Label;

  2630.         }

  2631. 

  2632.         pData->name = pData->engine->getUniquePluginName(name);

  2633.         pData->filename = carla_strdup(filename);

  2634. 

  2635.         // ---------------------------------------------------------------

  2636.         // register client

  2637. 

  2638.         pData->client = pData->engine->addClient(this);

  2639. 

  2640.         if (pData->client == nullptr || ! pData->client->isOk())

  2641.         {

  2642.             pData->engine->setLastError("Failed to register plugin client");

  2643.             return false;

  2644.         }

  2645. 

  2646.         // ---------------------------------------------------------------

  2647.         // initialize plugin

  2648. 

  2649.         if (! addInstance())

  2650.             return false;

  2651. 

  2652.         // ---------------------------------------------------------------

  2653.         // find latency port index

  2654. 

  2655.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2656.         {

  2657.             const int portType(fDescriptor->PortDescriptors[i]);

  2658. 

  2659.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2660.                 continue;

  2661. 

  2662.             const uint32_t index(iCtrl++);

  2663. 

  2664.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2665.                 continue;

  2666. 

  2667.             const char* const portName(fDescriptor->PortNames[i]);

  2668.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2669. 

  2670.             if (std::strcmp(portName, "latency")  == 0 ||

  2671.                 std::strcmp(portName, "_latency") == 0)

  2672.             {

  2673.                 fLatencyIndex = static_cast<int32_t>(index);

  2674.                 break;

  2675.             }

  2676.         }

  2677. 

  2678.         // ---------------------------------------------------------------

  2679.         // check for custom data extension

  2680. 

  2681.         if (fDssiDescriptor->configure != nullptr)

  2682.         {

  2683.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2684.             {

  2685.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2686.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2687.                     fUsesCustomData = true;

  2688. 

  2689.                 std::free(error);

  2690.             }

  2691.         }

  2692. 

  2693.         // ---------------------------------------------------------------

  2694.         // check if this is dssi-vst

  2695. 

  2696.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2697. 

  2698. #ifdef HAVE_LIBLO

  2699.         // ---------------------------------------------------------------

  2700.         // check for gui

  2701. 

  2702.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2703.         {

  2704.             fUiFilename = guiFilename;

  2705.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2706.         }

  2707. #endif

  2708. 

  2709.         // ---------------------------------------------------------------

  2710.         // set default options

  2711. 

  2712.         pData->options = 0x0;

  2713. 

  2714.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2715.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2716.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2717.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2718. 

  2719.         /**/ if (pData->engine->getOptions().forceStereo)

  2720.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2721.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2722.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2723. 

  2724.         if (fUsesCustomData)

  2725.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2726. 

  2727.         if (fDssiDescriptor->run_synth != nullptr)

  2728.         {

  2729.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2730.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2731.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2732.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2733. 

  2734.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2735.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2736.         }

  2737. 

  2738.         return true;

  2739.     }

  2740. 

  2741.     // -------------------------------------------------------------------

  2742. 

  2743. private:

  2744.     LinkedList<LADSPA_Handle> fHandles;

  2745.     const LADSPA_Descriptor*  fDescriptor;

  2746.     const DSSI_Descriptor*    fDssiDescriptor;

  2747. 

  2748.     float** fAudioInBuffers;

  2749.     float** fAudioOutBuffers;

  2750.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2751.     float*  fParamBuffers;

  2752. 

  2753.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2754. 

  2755.     int32_t fLatencyIndex; // -1 if invalid

  2756.     bool    fForcedStereoIn;

  2757.     bool    fForcedStereoOut;

  2758.     bool    fIsDssiVst;

  2759.     bool    fUsesCustomData;

  2760. 

  2761. #ifdef HAVE_LIBLO

  2762.     CarlaOscData      fOscData;

  2763.     CarlaThreadDSSIUI fThreadUI;

  2764.     const char*       fUiFilename;

  2765. #endif

  2766. 

  2767.     // -------------------------------------------------------------------

  2768. 

  2769.     bool addInstance()

  2770.     {

  2771.         LADSPA_Handle handle;

  2772. 

  2773.         try {

  2774.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2775.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2776. 

  2777.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2778.         {

  2779.             const int32_t rindex(pData->param.data[i].rindex);

  2780.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2781. 

  2782.             try {

  2783.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2784.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2785.         }

  2786. 

  2787.         if (fHandles.append(handle))

  2788.             return true;

  2789. 

  2790.         try {

  2791.             fDescriptor->cleanup(handle);

  2792.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2793. 

  2794.         pData->engine->setLastError("Out of memory");

  2795.         return false;

  2796.     }

  2797. 

  2798.     uint32_t getSafePortCount() const noexcept

  2799.     {

  2800.         if (fDescriptor->PortCount == 0)

  2801.             return 0;

  2802. 

  2803.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2804.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2805.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2806. 

  2807.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2808.     }

  2809. 

  2810.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2811.     {

  2812.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2813.             return true;

  2814.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2815.             return true;

  2816.         return false;

  2817.     }

  2818. 

  2819.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2820.                                                      const bool wantName, const bool useBracket) noexcept

  2821.     {

  2822.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2823. 

  2824.         if (sepBracketStart == nullptr)

  2825.             return false;

  2826. 

  2827.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2828. 

  2829.         if (sepBracketEnd == nullptr)

  2830.             return false;

  2831. 

  2832.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2833. 

  2834.         if (unitSize > 7) // very unlikely to have such big unit

  2835.             return false;

  2836. 

  2837.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2838. 

  2839.         // just in case

  2840.         if (sepIndex+2 >= STR_MAX)

  2841.             return false;

  2842. 

  2843.         if (wantName)

  2844.         {

  2845.             std::strncpy(strBuf, paramName, sepIndex);

  2846.             strBuf[sepIndex] = '\0';

  2847.         }

  2848.         else

  2849.         {

  2850.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2851.             strBuf[unitSize] = '\0';

  2852.         }

  2853. 

  2854.         return true;

  2855.     }

  2856. 

  2857.     // -------------------------------------------------------------------

  2858. 

  2859.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2860. };

  2861. 

  2862. // -------------------------------------------------------------------------------------------------------------------

  2863. 

  2864. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2865. {

  2866.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2867.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2868. 

  2869.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2870. 

  2871.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2872.     {

  2873.         delete plugin;

  2874.         return nullptr;

  2875.     }

  2876. 

  2877.     return plugin;

  2878. }

  2879. 

  2880. // -------------------------------------------------------------------------------------------------------------------

  2881. 

  2882. CARLA_BACKEND_END_NAMESPACE