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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.           leakDetector_CarlaThreadDSSIUI() {}

  80. 

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

  82.     {

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

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

  85.         CARLA_SAFE_ASSERT(! isThreadRunning());

  86. 

  87.         fBinary = binary;

  88.         fLabel  = label;

  89. 

  90.         if (fLabel.isEmpty())

  91.             fLabel = "\"\"";

  92.     }

  93. 

  94.     uintptr_t getProcessPID() const noexcept

  95.     {

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

  97. 

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

  99.     }

  100. 

  101.     void run()

  102.     {

  103.         if (fProcess == nullptr)

  104.         {

  105.             fProcess = new ChildProcess();

  106.         }

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

  108.         {

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

  110. 

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

  112.             fProcess->kill();

  113.             fProcess = nullptr;

  114.             return;

  115.         }

  116. 

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

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

  119. 

  120.         if (name.isEmpty())

  121.             name = "(none)";

  122. 

  123.         if (filename.isEmpty())

  124.             filename = "\"\"";

  125. 

  126.         StringArray arguments;

  127. 

  128.         // binary

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

  130. 

  131.         // osc-url

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

  133. 

  134.         // filename

  135.         arguments.add(filename);

  136. 

  137.         // label

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

  139. 

  140.         // ui-title

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

  142. 

  143.         bool started;

  144. 

  145.         {

  146. #ifdef CARLA_OS_LINUX

  147.             /*

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

  149.              * If not, unset LD_PRELOAD.

  150.              */

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

  152. 

  153.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  154.             char winIdStr[STR_MAX+1];

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

  156. 

  157.             // for LD_PRELOAD

  158.             CarlaString ldPreloadValue;

  159. 

  160.             if (winId != 0)

  161.             {

  162.                 std::snprintf(winIdStr, STR_MAX, P_UINTPTR, kEngine->getOptions().frontendWinId);

  163.                 ldPreloadValue = (CarlaString(kEngine->getOptions().binaryDir) + CARLA_OS_SEP_STR "libcarla_interposer-x11.so");

  164.             }

  165. 

  166.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  169. #endif // CARLA_OS_LINUX

  170. 

  171.             // start the DSSI UI application

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

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

  174.         }

  175. 

  176.         if (! started)

  177.         {

  178.             carla_stdout("failed!");

  179.             fProcess = nullptr;

  180.             return;

  181.         }

  182. 

  183.         if (waitForOscGuiShow())

  184.         {

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

  186.                 carla_sleep(1);

  187. 

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

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

  190.             {

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

  192. 

  193.                 if (fProcess->isRunning())

  194.                 {

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

  196.                     fProcess->kill();

  197.                 }

  198.                 else

  199.                 {

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

  201.                 }

  202.             }

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

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

  205.             else

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

  207. 

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

  209.         }

  210.         else

  211.         {

  212.             fProcess->kill();

  213. 

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

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

  216.         }

  217. 

  218.         carla_stdout("DSSI UI finished");

  219.         fProcess = nullptr;

  220.     }

  221. 

  222. private:

  223.     CarlaEngine* const kEngine;

  224.     CarlaPlugin* const kPlugin;

  225. 

  226.     CarlaString fBinary;

  227.     CarlaString fLabel;

  228. 

  229.     const CarlaOscData&         fOscData;

  230.     ScopedPointer<ChildProcess> fProcess;

  231. 

  232.     bool waitForOscGuiShow()

  233.     {

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

  235.         uint i=0, oscUiTimeout = kEngine->getOptions().uiBridgesTimeout;

  236. 

  237.         // wait for UI 'update' call

  238.         for (; i < oscUiTimeout/100; ++i)

  239.         {

  240.             if (fOscData.target != nullptr)

  241.             {

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

  243.                 osc_send_show(fOscData);

  244.                 return true;

  245.             }

  246. 

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

  248.                 carla_msleep(100);

  249.             else

  250.                 return false;

  251.         }

  252. 

  253.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - Timeout while waiting for UI to respond (waited %u msecs)", oscUiTimeout);

  254.         return false;

  255.     }

  256. 

  257.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  258. };

  259. #endif

  260. 

  261. // -----------------------------------------------------

  262. 

  263. class CarlaPluginDSSI : public CarlaPlugin

  264. {

  265. public:

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

  267.         : CarlaPlugin(engine, id),

  268.           fHandles(),

  269.           fDescriptor(nullptr),

  270.           fDssiDescriptor(nullptr),

  271.           fAudioInBuffers(nullptr),

  272.           fAudioOutBuffers(nullptr),

  273.           fExtraStereoBuffer(),

  274.           fParamBuffers(nullptr),

  275.           fLatencyIndex(-1),

  276.           fForcedStereoIn(false),

  277.           fForcedStereoOut(false),

  278.           fIsDssiVst(false),

  279.           fUsesCustomData(false),

  280. #ifdef HAVE_LIBLO

  281.           fOscData(),

  282.           fThreadUI(engine, this, fOscData),

  283.           fUiFilename(nullptr),

  284. #endif

  285.           leakDetector_CarlaPluginDSSI()

  286.     {

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

  288. 

  289.         carla_zeroPointers(fExtraStereoBuffer, 2);

  290.     }

  291. 

  292.     ~CarlaPluginDSSI() noexcept override

  293.     {

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

  295. 

  296. #ifdef HAVE_LIBLO

  297.         // close UI

  298.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  299.         {

  300.             showCustomUI(false);

  301. 

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

  303.         }

  304. #endif

  305. 

  306.         pData->singleMutex.lock();

  307.         pData->masterMutex.lock();

  308. 

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

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

  311. 

  312.         if (pData->active)

  313.         {

  314.             deactivate();

  315.             pData->active = false;

  316.         }

  317. 

  318.         if (fDescriptor != nullptr)

  319.         {

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

  321.             {

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

  323.                 {

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

  325.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  326. 

  327.                     try {

  328.                         fDescriptor->cleanup(handle);

  329.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  330.                 }

  331.             }

  332. 

  333.             fHandles.clear();

  334.             fDescriptor = nullptr;

  335.             fDssiDescriptor = nullptr;

  336.         }

  337. 

  338. #ifdef HAVE_LIBLO

  339.         if (fUiFilename != nullptr)

  340.         {

  341.             delete[] fUiFilename;

  342.             fUiFilename = nullptr;

  343.         }

  344. #endif

  345. 

  346.         clearBuffers();

  347.     }

  348. 

  349.     // -------------------------------------------------------------------

  350.     // Information (base)

  351. 

  352.     PluginType getType() const noexcept override

  353.     {

  354.         return PLUGIN_DSSI;

  355.     }

  356. 

  357.     PluginCategory getCategory() const noexcept override

  358.     {

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

  360. 

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

  362.             return PLUGIN_CATEGORY_SYNTH;

  363. 

  364.         return CarlaPlugin::getCategory();

  365.     }

  366. 

  367.     int64_t getUniqueId() const noexcept override

  368.     {

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

  370. 

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

  372.     }

  373. 

  374.     // -------------------------------------------------------------------

  375.     // Information (count)

  376. 

  377.     // nothing

  378. 

  379.     // -------------------------------------------------------------------

  380.     // Information (current data)

  381. 

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

  383.     {

  384.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  390. 

  391.         *dataPtr = nullptr;

  392. 

  393.         int ret = 0;

  394.         ulong dataSize = 0;

  395. 

  396.         try {

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

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

  399. 

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

  401.     }

  402. 

  403.     // -------------------------------------------------------------------

  404.     // Information (per-plugin data)

  405. 

  406.     uint getOptionsAvailable() const noexcept override

  407.     {

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

  409. 

  410.         uint options = 0x0;

  411. 

  412.         if (! fIsDssiVst)

  413.         {

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

  415.             if (fLatencyIndex == -1)

  416.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  417. 

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

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

  420.                 pass();

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

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

  423.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  424.         }

  425. 

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

  427.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  428. 

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

  430.         {

  431.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  432.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  433.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  434.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  435.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  436.         }

  437. 

  438.         if (fUsesCustomData)

  439.             options |= PLUGIN_OPTION_USE_CHUNKS;

  440. 

  441.         return options;

  442.     }

  443. 

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

  445.     {

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

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

  448. 

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

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

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

  452. 

  453.         // not output, should be fine

  454.         return fParamBuffers[parameterId];

  455.     }

  456. 

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

  458.     {

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

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

  461. 

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

  463.     }

  464. 

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

  466.     {

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

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

  469. 

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

  471.     }

  472. 

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

  474.     {

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

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

  477. 

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

  479.     }

  480. 

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

  482.     {

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

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

  485. 

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

  487.     }

  488. 

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

  490.     {

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

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

  493. 

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

  495. 

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

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

  498. 

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

  500.             return;

  501. 

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

  503.     }

  504. 

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

  506.     {

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

  508. 

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

  510. 

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

  512. 

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

  514.             return;

  515. 

  516.         nullStrBuf(strBuf);

  517.     }

  518. 

  519.     // -------------------------------------------------------------------

  520.     // Set data (state)

  521. 

  522.     // nothing

  523. 

  524.     // -------------------------------------------------------------------

  525.     // Set data (internal stuff)

  526. 

  527.     void setId(const uint newId) noexcept

  528.     {

  529.         CarlaPlugin::setId(newId);

  530. 

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

  532.         // FIXME - must be RT safe

  533.         showCustomUI(false);

  534.     }

  535. 

  536.     // -------------------------------------------------------------------

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

  538. 

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

  540.     {

  541.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  543. 

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

  545.         fParamBuffers[parameterId] = fixedValue;

  546. 

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

  548.     }

  549. 

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

  551.     {

  552.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  555.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  557. 

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

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

  560. 

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

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

  563. 

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

  565.         {

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

  567.             {

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

  569.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  570. 

  571.                 try {

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

  573.                 } catch(...) {}

  574.             }

  575.         }

  576. 

  577. #ifdef HAVE_LIBLO

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

  579.             osc_send_configure(fOscData, key, value);

  580. #endif

  581. 

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

  583.         {

  584.             const ScopedSingleProcessLocker spl(this, true);

  585.             reloadPrograms(false);

  586.         }

  587. 

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

  589.     }

  590. 

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

  592.     {

  593.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  595.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  597.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  598.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  599. 

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

  601.         {

  602.             const ScopedSingleProcessLocker spl(this, true);

  603. 

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

  605.             {

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

  607.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  608. 

  609.                 try {

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

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

  612.             }

  613.         }

  614. 

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

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

  617. #else

  618.         const bool sendOsc(false);

  619. #endif

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

  621.     }

  622. 

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

  624.     {

  625.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  628. 

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

  630.         {

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

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

  633. 

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

  635. 

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

  637.             {

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

  639.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  640. 

  641.                 try {

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

  643.                 } catch(...) {}

  644.             }

  645.         }

  646. 

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

  648.     }

  649. 

  650. #ifdef HAVE_LIBLO

  651.     // -------------------------------------------------------------------

  652.     // Set ui stuff

  653. 

  654.     void showCustomUI(const bool yesNo) override

  655.     {

  656.         if (yesNo)

  657.         {

  658.             fOscData.clear();

  659.             fThreadUI.startThread();

  660.         }

  661.         else

  662.         {

  663.             pData->transientTryCounter = 0;

  664. 

  665.             if (fOscData.target != nullptr)

  666.             {

  667.                 osc_send_hide(fOscData);

  668.                 osc_send_quit(fOscData);

  669.                 fOscData.clear();

  670.             }

  671. 

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

  673.         }

  674.     }

  675. #endif

  676. 

  677. #if 0 // TODO

  678.     void idle() override

  679.     {

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

  681.         {

  682.             fLatencyChanged = false;

  683. 

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

  685. 

  686.             if (latency >= 0)

  687.             {

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

  689. 

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

  691.                 {

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

  693. 

  694.                     const ScopedSingleProcessLocker sspl(this, true);

  695. 

  696.                     pData->latency = ulatency;

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

  698. #ifndef BUILD_BRIDGE

  699.                     pData->recreateLatencyBuffers();

  700. #endif

  701.                 }

  702.             }

  703.             else

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

  705.         }

  706. 

  707.         CarlaPlugin::idle();

  708.     }

  709. #endif

  710. 

  711.     // -------------------------------------------------------------------

  712.     // Plugin state

  713. 

  714.     void reload() override

  715.     {

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

  717.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  718.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  721. 

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

  723. 

  724.         // Safely disable plugin for reload

  725.         const ScopedDisabler sd(this);

  726. 

  727.         if (pData->active)

  728.             deactivate();

  729. 

  730.         clearBuffers();

  731. 

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

  733.         const uint32_t portCount(getSafePortCount());

  734. 

  735.         uint32_t aIns, aOuts, mIns, params;

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

  737. 

  738.         bool forcedStereoIn, forcedStereoOut;

  739.         forcedStereoIn = forcedStereoOut = false;

  740. 

  741.         bool needsCtrlIn, needsCtrlOut;

  742.         needsCtrlIn = needsCtrlOut = false;

  743. 

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

  745.         {

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

  747. 

  748.             if (LADSPA_IS_PORT_AUDIO(portType))

  749.             {

  750.                 if (LADSPA_IS_PORT_INPUT(portType))

  751.                     aIns += 1;

  752.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  753.                     aOuts += 1;

  754.             }

  755.             else if (LADSPA_IS_PORT_CONTROL(portType))

  756.                 params += 1;

  757.         }

  758. 

  759.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  760.         {

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

  762.             {

  763.                 if (aIns == 1)

  764.                 {

  765.                     aIns = 2;

  766.                     forcedStereoIn = true;

  767.                 }

  768.                 if (aOuts == 1)

  769.                 {

  770.                     aOuts = 2;

  771.                     forcedStereoOut = true;

  772.                 }

  773.             }

  774.         }

  775. 

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

  777.         {

  778.             mIns = 1;

  779.             needsCtrlIn = true;

  780.         }

  781. 

  782.         if (aIns > 0)

  783.         {

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

  785.             fAudioInBuffers = new float*[aIns];

  786. 

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

  788.                 fAudioInBuffers[i] = nullptr;

  789.         }

  790. 

  791.         if (aOuts > 0)

  792.         {

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

  794.             fAudioOutBuffers = new float*[aOuts];

  795.             needsCtrlIn = true;

  796. 

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

  798.                 fAudioOutBuffers[i] = nullptr;

  799.         }

  800. 

  801.         if (params > 0)

  802.         {

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

  804. 

  805.             fParamBuffers = new float[params];

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

  807.         }

  808. 

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

  810.         CarlaString portName;

  811. 

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

  813.         {

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

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

  816. 

  817.             if (LADSPA_IS_PORT_AUDIO(portType))

  818.             {

  819.                 portName.clear();

  820. 

  821.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  822.                 {

  823.                     portName  = pData->name;

  824.                     portName += ":";

  825.                 }

  826. 

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

  828.                 {

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

  830.                 }

  831.                 else

  832.                 {

  833.                     if (LADSPA_IS_PORT_INPUT(portType))

  834.                     {

  835.                         if (aIns > 1)

  836.                         {

  837.                             portName += "audio-in_";

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

  839.                         }

  840.                         else

  841.                             portName += "audio-in";

  842.                     }

  843.                     else

  844.                     {

  845.                         if (aOuts > 1)

  846.                         {

  847.                             portName += "audio-out_";

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

  849.                         }

  850.                         else

  851.                             portName += "audio-out";

  852.                     }

  853.                 }

  854. 

  855.                 portName.truncate(portNameSize);

  856. 

  857.                 if (LADSPA_IS_PORT_INPUT(portType))

  858.                 {

  859.                     const uint32_t j = iAudioIn++;

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

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

  862. 

  863.                     if (forcedStereoIn)

  864.                     {

  865.                         portName += "_2";

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

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

  868.                     }

  869.                 }

  870.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  871.                 {

  872.                     const uint32_t j = iAudioOut++;

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

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

  875. 

  876.                     if (forcedStereoOut)

  877.                     {

  878.                         portName += "_2";

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

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

  881.                     }

  882.                 }

  883.                 else

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

  885.             }

  886.             else if (LADSPA_IS_PORT_CONTROL(portType))

  887.             {

  888.                 const uint32_t j = iCtrl++;

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

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

  891. 

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

  893. 

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

  895. 

  896.                 // min value

  897.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  898.                     min = portRangeHints.LowerBound;

  899.                 else

  900.                     min = 0.0f;

  901. 

  902.                 // max value

  903.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  904.                     max = portRangeHints.UpperBound;

  905.                 else

  906.                     max = 1.0f;

  907. 

  908.                 if (min > max)

  909.                 {

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

  911.                     min = max - 0.1f;

  912.                 }

  913.                 else if (carla_isEqual(min, max))

  914.                 {

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

  916.                     max = min + 0.1f;

  917.                 }

  918. 

  919.                 // default value

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

  921. 

  922.                 if (def < min)

  923.                     def = min;

  924.                 else if (def > max)

  925.                     def = max;

  926. 

  927.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  928.                 {

  929.                     min *= sampleRate;

  930.                     max *= sampleRate;

  931.                     def *= sampleRate;

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

  933.                 }

  934. 

  935.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  936.                 {

  937.                     step = max - min;

  938.                     stepSmall = step;

  939.                     stepLarge = step;

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

  941.                 }

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

  943.                 {

  944.                     step = 1.0f;

  945.                     stepSmall = 1.0f;

  946.                     stepLarge = 10.0f;

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

  948.                 }

  949.                 else

  950.                 {

  951.                     const float range = max - min;

  952.                     step = range/100.0f;

  953.                     stepSmall = range/1000.0f;

  954.                     stepLarge = range/10.0f;

  955.                 }

  956. 

  957.                 if (LADSPA_IS_PORT_INPUT(portType))

  958.                 {

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

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

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

  962.                     needsCtrlIn = true;

  963. 

  964.                     // MIDI CC value

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

  966.                     {

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

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

  969.                         {

  970.                             int16_t cc = DSSI_CC_NUMBER(controller);

  971.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  973.                         }

  974.                     }

  975.                 }

  976.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  977.                 {

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

  979. 

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

  981.                     {

  982.                         min = 0.0f;

  983.                         max = sampleRate;

  984.                         def = 0.0f;

  985.                         step = 1.0f;

  986.                         stepSmall = 1.0f;

  987.                         stepLarge = 1.0f;

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

  989.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  991.                     }

  992.                     else

  993.                     {

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

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

  996.                         needsCtrlOut = true;

  997.                     }

  998.                 }

  999.                 else

  1000.                 {

  1001.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1002.                 }

  1003. 

  1004.                 // extra parameter hints

  1005.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1006.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1007. 

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

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

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

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

  1012.                 pData->param.ranges[j].stepSmall = stepSmall;

  1013.                 pData->param.ranges[j].stepLarge = stepLarge;

  1014. 

  1015.                 // Start parameters in their default values

  1016.                 fParamBuffers[j] = def;

  1017. 

  1018.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1019.                 {

  1020.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1021.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1022. 

  1023.                     try {

  1024.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1025.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1026.                 }

  1027.             }

  1028.             else

  1029.             {

  1030.                 // Not Audio or Control

  1031.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1032. 

  1033.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1034.                 {

  1035.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1036.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1037. 

  1038.                     try {

  1039.                         fDescriptor->connect_port(handle, i, nullptr);

  1040.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1041.                 }

  1042.             }

  1043.         }

  1044. 

  1045.         if (needsCtrlIn)

  1046.         {

  1047.             portName.clear();

  1048. 

  1049.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1050.             {

  1051.                 portName  = pData->name;

  1052.                 portName += ":";

  1053.             }

  1054. 

  1055.             portName += "events-in";

  1056.             portName.truncate(portNameSize);

  1057. 

  1058.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1059.         }

  1060. 

  1061.         if (needsCtrlOut)

  1062.         {

  1063.             portName.clear();

  1064. 

  1065.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1066.             {

  1067.                 portName  = pData->name;

  1068.                 portName += ":";

  1069.             }

  1070. 

  1071.             portName += "events-out";

  1072.             portName.truncate(portNameSize);

  1073. 

  1074.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1075.         }

  1076. 

  1077.         if (forcedStereoIn || forcedStereoOut)

  1078.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1079.         else

  1080.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1081. 

  1082.         // plugin hints

  1083.         pData->hints = 0x0;

  1084. 

  1085.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1086.             pData->hints |= PLUGIN_IS_RTSAFE;

  1087. 

  1088. #ifdef HAVE_LIBLO

  1089.         if (fUiFilename != nullptr)

  1090.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1091. #endif

  1092. 

  1093. #ifndef BUILD_BRIDGE

  1094.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1095.             pData->hints |= PLUGIN_CAN_DRYWET;

  1096. 

  1097.         if (aOuts > 0)

  1098.             pData->hints |= PLUGIN_CAN_VOLUME;

  1099. 

  1100.         if (aOuts >= 2 && aOuts % 2 == 0)

  1101.             pData->hints |= PLUGIN_CAN_BALANCE;

  1102. #endif

  1103. 

  1104.         // extra plugin hints

  1105.         pData->extraHints = 0x0;

  1106. 

  1107.         if (mIns > 0)

  1108.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1109. 

  1110.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1111.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1112. 

  1113. #if 0 // TODO

  1114.         // check latency

  1115.         if (fLatencyIndex >= 0)

  1116.         {

  1117.             // we need to pre-run the plugin so it can update its latency control-port

  1118. 

  1119.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1120.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1121. 

  1122.             for (uint32_t j=0; j < aIns; ++j)

  1123.             {

  1124.                 tmpIn[j][0] = 0.0f;

  1125.                 tmpIn[j][1] = 0.0f;

  1126. 

  1127.                 try {

  1128.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1129.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1130.             }

  1131. 

  1132.             for (uint32_t j=0; j < aOuts; ++j)

  1133.             {

  1134.                 tmpOut[j][0] = 0.0f;

  1135.                 tmpOut[j][1] = 0.0f;

  1136. 

  1137.                 try {

  1138.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1139.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1140.             }

  1141. 

  1142.             if (fDescriptor->activate != nullptr)

  1143.             {

  1144.                 try {

  1145.                     fDescriptor->activate(fHandle);

  1146.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1147.             }

  1148. 

  1149.             try {

  1150.                 fDescriptor->run(fHandle, 2);

  1151.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1152. 

  1153.             if (fDescriptor->deactivate != nullptr)

  1154.             {

  1155.                 try {

  1156.                     fDescriptor->deactivate(fHandle);

  1157.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1158.             }

  1159. 

  1160.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1161. 

  1162.             if (latency >= 0)

  1163.             {

  1164.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1165. 

  1166.                 if (pData->latency != ulatency)

  1167.                 {

  1168.                     carla_stdout("latency = %i", latency);

  1169. 

  1170.                     pData->latency = ulatency;

  1171.                     pData->client->setLatency(ulatency);

  1172. #ifndef BUILD_BRIDGE

  1173.                     pData->recreateLatencyBuffers();

  1174. #endif

  1175.                 }

  1176.             }

  1177.             else

  1178.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1179. 

  1180.             fLatencyChanged = false;

  1181.         }

  1182. #endif

  1183. 

  1184.         bufferSizeChanged(pData->engine->getBufferSize());

  1185.         reloadPrograms(true);

  1186. 

  1187.         if (pData->active)

  1188.             activate();

  1189. 

  1190.         carla_debug("CarlaPluginDSSI::reload() - end");

  1191.     }

  1192. 

  1193.     void reloadPrograms(const bool doInit) override

  1194.     {

  1195.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1196. 

  1197.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1198.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1199. 

  1200.         const uint32_t oldCount = pData->midiprog.count;

  1201.         const int32_t  current  = pData->midiprog.current;

  1202. 

  1203.         // Delete old programs

  1204.         pData->midiprog.clear();

  1205. 

  1206.         // Query new programs

  1207.         uint32_t newCount = 0;

  1208.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1209.         {

  1210.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1211.                 ++newCount;

  1212.         }

  1213. 

  1214.         if (newCount > 0)

  1215.         {

  1216.             pData->midiprog.createNew(newCount);

  1217. 

  1218.             // Update data

  1219.             for (uint32_t i=0; i < newCount; ++i)

  1220.             {

  1221.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1222.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1223.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1224. 

  1225.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1226.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1227.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1228.             }

  1229.         }

  1230. 

  1231. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1232.         // Update OSC Names

  1233.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1234.         {

  1235.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1236. 

  1237.             for (uint32_t i=0; i < newCount; ++i)

  1238.                 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);

  1239.         }

  1240. #endif

  1241. 

  1242.         if (doInit)

  1243.         {

  1244.             if (newCount > 0)

  1245.                 setMidiProgram(0, false, false, false);

  1246.         }

  1247.         else

  1248.         {

  1249.             // Check if current program is invalid

  1250.             bool programChanged = false;

  1251. 

  1252.             if (newCount == oldCount+1)

  1253.             {

  1254.                 // one midi program added, probably created by user

  1255.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1256.                 programChanged = true;

  1257.             }

  1258.             else if (current < 0 && newCount > 0)

  1259.             {

  1260.                 // programs exist now, but not before

  1261.                 pData->midiprog.current = 0;

  1262.                 programChanged = true;

  1263.             }

  1264.             else if (current >= 0 && newCount == 0)

  1265.             {

  1266.                 // programs existed before, but not anymore

  1267.                 pData->midiprog.current = -1;

  1268.                 programChanged = true;

  1269.             }

  1270.             else if (current >= static_cast<int32_t>(newCount))

  1271.             {

  1272.                 // current midi program > count

  1273.                 pData->midiprog.current = 0;

  1274.                 programChanged = true;

  1275.             }

  1276.             else

  1277.             {

  1278.                 // no change

  1279.                 pData->midiprog.current = current;

  1280.             }

  1281. 

  1282.             if (programChanged)

  1283.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1284. 

  1285.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1286.         }

  1287.     }

  1288. 

  1289.     // -------------------------------------------------------------------

  1290.     // Plugin processing

  1291. 

  1292.     void activate() noexcept override

  1293.     {

  1294.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1295. 

  1296.         if (fDescriptor->activate != nullptr)

  1297.         {

  1298.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1299.             {

  1300.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1301.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1302. 

  1303.                 try {

  1304.                     fDescriptor->activate(handle);

  1305.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1306.             }

  1307.         }

  1308.     }

  1309. 

  1310.     void deactivate() noexcept override

  1311.     {

  1312.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1313. 

  1314.         if (fDescriptor->deactivate != nullptr)

  1315.         {

  1316.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1317.             {

  1318.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1319.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1320. 

  1321.                 try {

  1322.                     fDescriptor->deactivate(handle);

  1323.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1324.             }

  1325.         }

  1326.     }

  1327. 

  1328.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1329.     {

  1330.         // --------------------------------------------------------------------------------------------------------

  1331.         // Check if active

  1332. 

  1333.         if (! pData->active)

  1334.         {

  1335.             // disable any output sound

  1336.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1337.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1338.             return;

  1339.         }

  1340. 

  1341.         ulong midiEventCount = 0;

  1342.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1343. 

  1344.         // --------------------------------------------------------------------------------------------------------

  1345.         // Check if needs reset

  1346. 

  1347.         if (pData->needsReset)

  1348.         {

  1349.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1350.             {

  1351.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1352. 

  1353.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1354.                 {

  1355.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1356.                     fMidiEvents[i].data.control.channel = i;

  1357.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1358. 

  1359.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1360.                     fMidiEvents[k+i].data.control.channel = i;

  1361.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1362.                 }

  1363.             }

  1364.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1365.             {

  1366.                 midiEventCount = MAX_MIDI_NOTE;

  1367. 

  1368.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1369.                 {

  1370.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1371.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1372.                     fMidiEvents[i].data.note.note    = i;

  1373.                 }

  1374.             }

  1375. 

  1376. #ifndef BUILD_BRIDGE

  1377. #if 0 // TODO

  1378.             if (pData->latency > 0)

  1379.             {

  1380.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1381.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1382.             }

  1383. #endif

  1384. #endif

  1385. 

  1386.             pData->needsReset = false;

  1387.         }

  1388. 

  1389.         // --------------------------------------------------------------------------------------------------------

  1390.         // Event Input and Processing

  1391. 

  1392.         if (pData->event.portIn != nullptr)

  1393.         {

  1394.             // ----------------------------------------------------------------------------------------------------

  1395.             // MIDI Input (External)

  1396. 

  1397.             if (pData->extNotes.mutex.tryLock())

  1398.             {

  1399.                 ExternalMidiNote note = { 0, 0, 0 };

  1400. 

  1401.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1402.                 {

  1403.                     note = pData->extNotes.data.getFirst(note, true);

  1404. 

  1405.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1406. 

  1407.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1408. 

  1409.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1410.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1411.                     seqEvent.data.note.note     = note.note;

  1412.                     seqEvent.data.note.velocity = note.velo;

  1413.                 }

  1414. 

  1415.                 pData->extNotes.mutex.unlock();

  1416. 

  1417.             } // End of MIDI Input (External)

  1418. 

  1419.             // ----------------------------------------------------------------------------------------------------

  1420.             // Event Input (System)

  1421. 

  1422. #ifndef BUILD_BRIDGE

  1423.             bool       allNotesOffSent  = false;

  1424. #endif

  1425.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1426. 

  1427.             uint32_t startTime  = 0;

  1428.             uint32_t timeOffset = 0;

  1429.             uint32_t nextBankId;

  1430. 

  1431.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1432.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1433.             else

  1434.                 nextBankId = 0;

  1435. 

  1436.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1437.             {

  1438.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1439. 

  1440.                 if (event.time >= frames)

  1441.                     continue;

  1442. 

  1443.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1444. 

  1445.                 if (isSampleAccurate && event.time > timeOffset)

  1446.                 {

  1447.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1448.                     {

  1449.                         startTime  = 0;

  1450.                         timeOffset = event.time;

  1451.                         midiEventCount = 0;

  1452. 

  1453.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1454.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1455.                         else

  1456.                             nextBankId = 0;

  1457.                     }

  1458.                     else

  1459.                         startTime += timeOffset;

  1460.                 }

  1461. 

  1462.                 switch (event.type)

  1463.                 {

  1464.                 case kEngineEventTypeNull:

  1465.                     break;

  1466. 

  1467.                 case kEngineEventTypeControl: {

  1468.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1469. 

  1470.                     switch (ctrlEvent.type)

  1471.                     {

  1472.                     case kEngineControlEventTypeNull:

  1473.                         break;

  1474. 

  1475.                     case kEngineControlEventTypeParameter: {

  1476. #ifndef BUILD_BRIDGE

  1477.                         // Control backend stuff

  1478.                         if (event.channel == pData->ctrlChannel)

  1479.                         {

  1480.                             float value;

  1481. 

  1482.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1483.                             {

  1484.                                 value = ctrlEvent.value;

  1485.                                 setDryWet(value, false, false);

  1486.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1487.                                 break;

  1488.                             }

  1489. 

  1490.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1491.                             {

  1492.                                 value = ctrlEvent.value*127.0f/100.0f;

  1493.                                 setVolume(value, false, false);

  1494.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1495.                                 break;

  1496.                             }

  1497. 

  1498.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1499.                             {

  1500.                                 float left, right;

  1501.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1502. 

  1503.                                 if (value < 0.0f)

  1504.                                 {

  1505.                                     left  = -1.0f;

  1506.                                     right = (value*2.0f)+1.0f;

  1507.                                 }

  1508.                                 else if (value > 0.0f)

  1509.                                 {

  1510.                                     left  = (value*2.0f)-1.0f;

  1511.                                     right = 1.0f;

  1512.                                 }

  1513.                                 else

  1514.                                 {

  1515.                                     left  = -1.0f;

  1516.                                     right = 1.0f;

  1517.                                 }

  1518. 

  1519.                                 setBalanceLeft(left, false, false);

  1520.                                 setBalanceRight(right, false, false);

  1521.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1522.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1523.                                 break;

  1524.                             }

  1525.                         }

  1526. #endif

  1527.                         // Control plugin parameters

  1528.                         uint32_t k;

  1529.                         for (k=0; k < pData->param.count; ++k)

  1530.                         {

  1531.                             if (pData->param.data[k].midiChannel != event.channel)

  1532.                                 continue;

  1533.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1534.                                 continue;

  1535.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1536.                                 continue;

  1537.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1538.                                 continue;

  1539. 

  1540.                             float value;

  1541. 

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

  1543.                             {

  1544.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1545.                             }

  1546.                             else

  1547.                             {

  1548.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1549. 

  1550.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1551.                                     value = std::rint(value);

  1552.                             }

  1553. 

  1554.                             setParameterValue(k, value, false, false, false);

  1555.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1556.                             break;

  1557.                         }

  1558. 

  1559.                         // check if event is already handled

  1560.                         if (k != pData->param.count)

  1561.                             break;

  1562. 

  1563.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1564.                         {

  1565.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1566.                                 continue;

  1567. 

  1568.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1569. 

  1570.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1571. 

  1572.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1573.                             seqEvent.data.control.channel = event.channel;

  1574.                             seqEvent.data.control.param   = ctrlEvent.param;

  1575.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1576.                         }

  1577.                         break;

  1578.                     } // case kEngineControlEventTypeParameter

  1579. 

  1580.                     case kEngineControlEventTypeMidiBank:

  1581.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1582.                             nextBankId = ctrlEvent.param;

  1583.                         break;

  1584. 

  1585.                     case kEngineControlEventTypeMidiProgram:

  1586.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1587.                         {

  1588.                             const uint32_t nextProgramId = ctrlEvent.param;

  1589. 

  1590.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1591.                             {

  1592.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1593.                                 {

  1594.                                     const int32_t index(static_cast<int32_t>(k));

  1595.                                     setMidiProgram(index, false, false, false);

  1596.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1597.                                     break;

  1598.                                 }

  1599.                             }

  1600.                         }

  1601.                         break;

  1602. 

  1603.                     case kEngineControlEventTypeAllSoundOff:

  1604.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1605.                         {

  1606.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1607.                                 continue;

  1608. 

  1609.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1610. 

  1611.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1612. 

  1613.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1614.                             seqEvent.data.control.channel = event.channel;

  1615.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1616.                         }

  1617.                         break;

  1618. 

  1619.                     case kEngineControlEventTypeAllNotesOff:

  1620.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1621.                         {

  1622. #ifndef BUILD_BRIDGE

  1623.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1624.                             {

  1625.                                 allNotesOffSent = true;

  1626.                                 sendMidiAllNotesOffToCallback();

  1627.                             }

  1628. #endif

  1629. 

  1630.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1631.                                 continue;

  1632. 

  1633.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1634. 

  1635.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1636. 

  1637.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1638.                             seqEvent.data.control.channel = event.channel;

  1639.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1640.                         }

  1641.                         break;

  1642.                     } // switch (ctrlEvent.type)

  1643.                     break;

  1644.                 } // case kEngineEventTypeControl

  1645. 

  1646.                 case kEngineEventTypeMidi: {

  1647.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1648.                         continue;

  1649. 

  1650.                     const EngineMidiEvent& midiEvent(event.midi);

  1651. 

  1652.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1653.                         continue;

  1654. 

  1655.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1656. 

  1657.                     // Fix bad note-off (per DSSI spec)

  1658.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1659.                         status = MIDI_STATUS_NOTE_OFF;

  1660. 

  1661.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1662. 

  1663.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1664. 

  1665.                     switch (status)

  1666.                     {

  1667.                     case MIDI_STATUS_NOTE_OFF: {

  1668.                         const uint8_t note = midiEvent.data[1];

  1669. 

  1670.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1671.                         seqEvent.data.note.channel = event.channel;

  1672.                         seqEvent.data.note.note    = note;

  1673. 

  1674.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1675.                         break;

  1676.                     }

  1677. 

  1678.                     case MIDI_STATUS_NOTE_ON: {

  1679.                         const uint8_t note = midiEvent.data[1];

  1680.                         const uint8_t velo = midiEvent.data[2];

  1681. 

  1682.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1683.                         seqEvent.data.note.channel  = event.channel;

  1684.                         seqEvent.data.note.note     = note;

  1685.                         seqEvent.data.note.velocity = velo;

  1686. 

  1687.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1688.                         break;

  1689.                     }

  1690. 

  1691.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1692.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1693.                         {

  1694.                             const uint8_t note     = midiEvent.data[1];

  1695.                             const uint8_t pressure = midiEvent.data[2];

  1696. 

  1697.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1698.                             seqEvent.data.note.channel  = event.channel;

  1699.                             seqEvent.data.note.note     = note;

  1700.                             seqEvent.data.note.velocity = pressure;

  1701.                         }

  1702.                         break;

  1703. 

  1704.                     case MIDI_STATUS_CONTROL_CHANGE:

  1705.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1706.                         {

  1707.                             const uint8_t control = midiEvent.data[1];

  1708.                             const uint8_t value   = midiEvent.data[2];

  1709. 

  1710.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1711.                             seqEvent.data.control.channel = event.channel;

  1712.                             seqEvent.data.control.param   = control;

  1713.                             seqEvent.data.control.value   = value;

  1714.                         }

  1715.                         break;

  1716. 

  1717.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1718.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1719.                         {

  1720.                             const uint8_t pressure = midiEvent.data[1];

  1721. 

  1722.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1723.                             seqEvent.data.control.channel = event.channel;

  1724.                             seqEvent.data.control.value   = pressure;

  1725.                         }

  1726.                         break;

  1727. 

  1728.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1729.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1730.                         {

  1731.                             const uint8_t lsb = midiEvent.data[1];

  1732.                             const uint8_t msb = midiEvent.data[2];

  1733. 

  1734.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1735.                             seqEvent.data.control.channel = event.channel;

  1736.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1737.                         }

  1738.                         break;

  1739. 

  1740.                     default:

  1741.                         --midiEventCount;

  1742.                         break;

  1743.                     } // switch (status)

  1744.                 } break;

  1745.                 } // switch (event.type)

  1746.             }

  1747. 

  1748.             pData->postRtEvents.trySplice();

  1749. 

  1750.             if (frames > timeOffset)

  1751.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1752. 

  1753.         } // End of Event Input and Processing

  1754. 

  1755.         // --------------------------------------------------------------------------------------------------------

  1756.         // Plugin processing (no events)

  1757. 

  1758.         else

  1759.         {

  1760.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1761. 

  1762.         } // End of Plugin processing (no events)

  1763. 

  1764. #ifndef BUILD_BRIDGE

  1765. #if 0 // TODO

  1766.         // --------------------------------------------------------------------------------------------------------

  1767.         // Latency, save values for next callback

  1768. 

  1769.         if (fLatencyIndex != -1)

  1770.         {

  1771.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1772.             {

  1773.                 fLatencyChanged = true;

  1774.             }

  1775.             else if (pData->latency > 0)

  1776.             {

  1777.                 if (pData->latency <= frames)

  1778.                 {

  1779.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1780.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1781.                 }

  1782.                 else

  1783.                 {

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

  1785.                     {

  1786.                         for (k=0; k < pData->latency-frames; ++k)

  1787.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1788.                         for (j=0; k < pData->latency; ++j, ++k)

  1789.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1790.                     }

  1791.                 }

  1792.             }

  1793.         }

  1794. #endif

  1795. 

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

  1797.         // Control Output

  1798. 

  1799.         if (pData->event.portOut != nullptr)

  1800.         {

  1801.             uint8_t  channel;

  1802.             uint16_t param;

  1803.             float    value;

  1804. 

  1805.             for (uint32_t k=0; k < pData->param.count; ++k)

  1806.             {

  1807.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1808.                     continue;

  1809. 

  1810.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1811. 

  1812.                 if (pData->param.data[k].midiCC > 0)

  1813.                 {

  1814.                     channel = pData->param.data[k].midiChannel;

  1815.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1816.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1817.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1818.                 }

  1819.             }

  1820.         } // End of Control Output

  1821. #endif

  1822.     }

  1823. 

  1824.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1825.                        const uint32_t timeOffset, const ulong midiEventCount)

  1826.     {

  1827.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1828. 

  1829.         if (pData->audioIn.count > 0)

  1830.         {

  1831.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1832.         }

  1833.         if (pData->audioOut.count > 0)

  1834.         {

  1835.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1836.         }

  1837. 

  1838.         // --------------------------------------------------------------------------------------------------------

  1839.         // Try lock, silence otherwise

  1840. 

  1841.         if (pData->engine->isOffline())

  1842.         {

  1843.             pData->singleMutex.lock();

  1844.         }

  1845.         else if (! pData->singleMutex.tryLock())

  1846.         {

  1847.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1848.             {

  1849.                 for (uint32_t k=0; k < frames; ++k)

  1850.                     audioOut[i][k+timeOffset] = 0.0f;

  1851.             }

  1852. 

  1853.             return false;

  1854.         }

  1855. 

  1856.         const int iframes(static_cast<int>(frames));

  1857. 

  1858.         // --------------------------------------------------------------------------------------------------------

  1859.         // Handle needsReset

  1860. 

  1861.         if (pData->needsReset)

  1862.         {

  1863.             if (pData->latency.frames > 0)

  1864.             {

  1865.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1866.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1867.             }

  1868. 

  1869.             pData->needsReset = false;

  1870.         }

  1871. 

  1872.         // --------------------------------------------------------------------------------------------------------

  1873.         // Set audio buffers

  1874. 

  1875.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1876.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1877. 

  1878.         if (! customMonoOut)

  1879.         {

  1880.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1881.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1882.         }

  1883. 

  1884.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1885.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1886. 

  1887.         // --------------------------------------------------------------------------------------------------------

  1888.         // Run plugin

  1889. 

  1890.         uint instn = 0;

  1891.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1892.         {

  1893.             LADSPA_Handle const handle(it.getValue(nullptr));

  1894.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1895. 

  1896.             // ----------------------------------------------------------------------------------------------------

  1897.             // Mixdown for forced stereo

  1898. 

  1899.             if (customMonoOut)

  1900.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1901. 

  1902.             // ----------------------------------------------------------------------------------------------------

  1903.             // Run it

  1904. 

  1905.             if (fDssiDescriptor->run_synth != nullptr)

  1906.             {

  1907.                 try {

  1908.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1909.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1910.             }

  1911.             else

  1912.             {

  1913.                 try {

  1914.                     fDescriptor->run(handle, frames);

  1915.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1916.             }

  1917. 

  1918.             // ----------------------------------------------------------------------------------------------------

  1919.             // Mixdown for forced stereo

  1920. 

  1921.             if (customMonoOut)

  1922.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1923.             else if (customStereoOut)

  1924.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1925.         }

  1926. 

  1927.         // --------------------------------------------------------------------------------------------------------

  1928.         // Run plugin

  1929. 

  1930. #ifndef BUILD_BRIDGE

  1931.         // --------------------------------------------------------------------------------------------------------

  1932.         // Post-processing (dry/wet, volume and balance)

  1933. 

  1934.         {

  1935.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1936.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1937.             const bool isMono    = (pData->audioIn.count == 1);

  1938. 

  1939.             bool isPair;

  1940.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1941. 

  1942.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1943.             {

  1944.                 // Dry/Wet

  1945.                 if (doDryWet)

  1946.                 {

  1947.                     for (uint32_t k=0; k < frames; ++k)

  1948.                     {

  1949. #if 0 // TODO

  1950.                         if (k < pData->latency)

  1951.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1952.                         else if (pData->latency < frames)

  1953.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1954.                         else

  1955. #endif

  1956.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1957. 

  1958.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1959.                     }

  1960.                 }

  1961. 

  1962.                 // Balance

  1963.                 if (doBalance)

  1964.                 {

  1965.                     isPair = (i % 2 == 0);

  1966. 

  1967.                     if (isPair)

  1968.                     {

  1969.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1970.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1971.                     }

  1972. 

  1973.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1974.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1975. 

  1976.                     for (uint32_t k=0; k < frames; ++k)

  1977.                     {

  1978.                         if (isPair)

  1979.                         {

  1980.                             // left

  1981.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1982.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1983.                         }

  1984.                         else

  1985.                         {

  1986.                             // right

  1987.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1988.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1989.                         }

  1990.                     }

  1991.                 }

  1992. 

  1993.                 // Volume (and buffer copy)

  1994.                 {

  1995.                     for (uint32_t k=0; k < frames; ++k)

  1996.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1997.                 }

  1998.             }

  1999. 

  2000.         } // End of Post-processing

  2001. 

  2002. #else // BUILD_BRIDGE

  2003.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2004.         {

  2005.             for (uint32_t k=0; k < frames; ++k)

  2006.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2007.         }

  2008. #endif

  2009. 

  2010. #if 0

  2011.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2012.         {

  2013.             for (uint32_t k=0; k < frames; ++k)

  2014.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2015.         }

  2016. #endif

  2017. 

  2018.         // --------------------------------------------------------------------------------------------------------

  2019. 

  2020.         pData->singleMutex.unlock();

  2021.         return true;

  2022.     }

  2023. 

  2024.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2025.     {

  2026.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2027.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2028. 

  2029.         const int iBufferSize(static_cast<int>(newBufferSize));

  2030. 

  2031.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2032.         {

  2033.             if (fAudioInBuffers[i] != nullptr)

  2034.                 delete[] fAudioInBuffers[i];

  2035. 

  2036.             fAudioInBuffers[i] = new float[newBufferSize];

  2037.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2038.         }

  2039. 

  2040.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2041.         {

  2042.             if (fAudioOutBuffers[i] != nullptr)

  2043.                 delete[] fAudioOutBuffers[i];

  2044. 

  2045.             fAudioOutBuffers[i] = new float[newBufferSize];

  2046.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2047.         }

  2048. 

  2049.         if (fExtraStereoBuffer[0] != nullptr)

  2050.         {

  2051.             delete[] fExtraStereoBuffer[0];

  2052.             fExtraStereoBuffer[0] = nullptr;

  2053.         }

  2054. 

  2055.         if (fExtraStereoBuffer[1] != nullptr)

  2056.         {

  2057.             delete[] fExtraStereoBuffer[1];

  2058.             fExtraStereoBuffer[1] = nullptr;

  2059.         }

  2060. 

  2061.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2062.         {

  2063.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2064.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2065.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2066.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2067.         }

  2068. 

  2069.         reconnectAudioPorts();

  2070. 

  2071.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2072.     }

  2073. 

  2074.     void sampleRateChanged(const double newSampleRate) override

  2075.     {

  2076.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2077.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2078. 

  2079.         // TODO - handle UI stuff

  2080. 

  2081.         if (pData->active)

  2082.             deactivate();

  2083. 

  2084.         const std::size_t instanceCount(fHandles.count());

  2085. 

  2086.         if (fDescriptor->cleanup == nullptr)

  2087.         {

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

  2089.             {

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

  2091.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2092. 

  2093.                 try {

  2094.                     fDescriptor->cleanup(handle);

  2095.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2096.             }

  2097.         }

  2098. 

  2099.         fHandles.clear();

  2100. 

  2101.         for (std::size_t i=0; i<instanceCount; ++i)

  2102.             addInstance();

  2103. 

  2104.         reconnectAudioPorts();

  2105. 

  2106.         if (pData->active)

  2107.             activate();

  2108. 

  2109.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2110.     }

  2111. 

  2112.     void reconnectAudioPorts() const noexcept

  2113.     {

  2114.         if (fForcedStereoIn)

  2115.         {

  2116.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2117.             {

  2118.                 try {

  2119.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

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

  2121.             }

  2122. 

  2123.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2124.             {

  2125.                 try {

  2126.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2127.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2128.             }

  2129.         }

  2130.         else

  2131.         {

  2132.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2133.             {

  2134.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2135.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2136. 

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

  2138.                 {

  2139.                     try {

  2140.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2141.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2142.                 }

  2143.             }

  2144.         }

  2145. 

  2146.         if (fForcedStereoOut)

  2147.         {

  2148.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2149.             {

  2150.                 try {

  2151.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

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

  2153.             }

  2154. 

  2155.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2156.             {

  2157.                 try {

  2158.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2159.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2160.             }

  2161.         }

  2162.         else

  2163.         {

  2164.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2165.             {

  2166.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2167.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2168. 

  2169.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2170.                 {

  2171.                     try {

  2172.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2173.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2174.                 }

  2175.             }

  2176.         }

  2177.     }

  2178. 

  2179.     // -------------------------------------------------------------------

  2180.     // Plugin buffers

  2181. 

  2182.     void clearBuffers() noexcept override

  2183.     {

  2184.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2185. 

  2186.         if (fAudioInBuffers != nullptr)

  2187.         {

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

  2189.             {

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

  2191.                 {

  2192.                     delete[] fAudioInBuffers[i];

  2193.                     fAudioInBuffers[i] = nullptr;

  2194.                 }

  2195.             }

  2196. 

  2197.             delete[] fAudioInBuffers;

  2198.             fAudioInBuffers = nullptr;

  2199.         }

  2200. 

  2201.         if (fAudioOutBuffers != nullptr)

  2202.         {

  2203.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2204.             {

  2205.                 if (fAudioOutBuffers[i] != nullptr)

  2206.                 {

  2207.                     delete[] fAudioOutBuffers[i];

  2208.                     fAudioOutBuffers[i] = nullptr;

  2209.                 }

  2210.             }

  2211. 

  2212.             delete[] fAudioOutBuffers;

  2213.             fAudioOutBuffers = nullptr;

  2214.         }

  2215. 

  2216.         if (fExtraStereoBuffer[0] != nullptr)

  2217.         {

  2218.             delete[] fExtraStereoBuffer[0];

  2219.             fExtraStereoBuffer[0] = nullptr;

  2220.         }

  2221. 

  2222.         if (fExtraStereoBuffer[1] != nullptr)

  2223.         {

  2224.             delete[] fExtraStereoBuffer[1];

  2225.             fExtraStereoBuffer[1] = nullptr;

  2226.         }

  2227. 

  2228.         if (fParamBuffers != nullptr)

  2229.         {

  2230.             delete[] fParamBuffers;

  2231.             fParamBuffers = nullptr;

  2232.         }

  2233. 

  2234.         CarlaPlugin::clearBuffers();

  2235. 

  2236.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2237.     }

  2238. 

  2239. #ifdef HAVE_LIBLO

  2240.     // -------------------------------------------------------------------

  2241.     // OSC stuff

  2242. 

  2243.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2244.     {

  2245.         const lo_address source(lo_message_get_source(msg));

  2246.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2247. 

  2248.         // protocol for DSSI UIs *must* be UDP

  2249.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2250. 

  2251.         if (fOscData.source == nullptr)

  2252.         {

  2253.             // if no UI is registered yet only "update" message is valid

  2254.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2255.         }

  2256.         else

  2257.         {

  2258.             // make sure message source is the DSSI UI

  2259.             const char* const msghost = lo_address_get_hostname(source);

  2260.             const char* const msgport = lo_address_get_port(source);

  2261. 

  2262.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2263.             const char* const ourport = lo_address_get_port(fOscData.source);

  2264. 

  2265.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2266.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2267.         }

  2268. 

  2269.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2270. 

  2271.         if (std::strcmp(method, "configure") == 0)

  2272.             return handleOscMessageConfigure(argc, argv, types);

  2273.         if (std::strcmp(method, "control") == 0)

  2274.             return handleOscMessageControl(argc, argv, types);

  2275.         if (std::strcmp(method, "program") == 0)

  2276.             return handleOscMessageProgram(argc, argv, types);

  2277.         if (std::strcmp(method, "midi") == 0)

  2278.             return handleOscMessageMIDI(argc, argv, types);

  2279.         if (std::strcmp(method, "update") == 0)

  2280.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2281.         if (std::strcmp(method, "exiting") == 0)

  2282.             return handleOscMessageExiting();

  2283. 

  2284.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2285.     }

  2286. 

  2287.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2288.     {

  2289.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2290.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2291. 

  2292.         const char* const key   = (const char*)&argv[0]->s;

  2293.         const char* const value = (const char*)&argv[1]->s;

  2294. 

  2295.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2296.     }

  2297. 

  2298.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2299.     {

  2300.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2301.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2302. 

  2303.         const int32_t rindex = argv[0]->i;

  2304.         const float   value  = argv[1]->f;

  2305. 

  2306.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2307.     }

  2308. 

  2309.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2310.     {

  2311.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2312.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2313. 

  2314.         const int32_t bank    = argv[0]->i;

  2315.         const int32_t program = argv[1]->i;

  2316. 

  2317.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2318.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2319. 

  2320.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2321.     }

  2322. 

  2323.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2324.     {

  2325.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2326.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2327. 

  2328.         if (getMidiInCount() == 0)

  2329.         {

  2330.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2331.             return;

  2332.         }

  2333. 

  2334.         const uint8_t* const data = argv[0]->m;

  2335.         uint8_t status  = data[1];

  2336.         uint8_t channel = status & 0x0F;

  2337. 

  2338.         // Fix bad note-off

  2339.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2340.             status = MIDI_STATUS_NOTE_OFF;

  2341. 

  2342.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2343.         {

  2344.             const uint8_t note = data[2];

  2345. 

  2346.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2347. 

  2348.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2349.         }

  2350.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2351.         {

  2352.             const uint8_t note = data[2];

  2353.             const uint8_t velo = data[3];

  2354. 

  2355.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2356.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2357. 

  2358.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2359.         }

  2360.     }

  2361. 

  2362.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2363.     {

  2364.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2365.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2366. 

  2367.         const char* const url = (const char*)&argv[0]->s;

  2368. 

  2369.         // FIXME - remove debug prints later

  2370.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2371. 

  2372.         fOscData.clear();

  2373. 

  2374.         const int proto = lo_address_get_protocol(source);

  2375. 

  2376.         {

  2377.             const char* host = lo_address_get_hostname(source);

  2378.             const char* port = lo_address_get_port(source);

  2379.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2380. 

  2381.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2382.         }

  2383. 

  2384.         {

  2385.             char* host = lo_url_get_hostname(url);

  2386.             char* port = lo_url_get_port(url);

  2387.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2388.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2389.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2390. 

  2391.             std::free(host);

  2392.             std::free(port);

  2393.         }

  2394. 

  2395.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2396. 

  2397.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2398.         {

  2399.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2400.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2401. 

  2402.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2403.                 osc_send_configure(fOscData, customData.key, customData.value);

  2404.         }

  2405. 

  2406.         if (pData->prog.current >= 0)

  2407.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2408. 

  2409.         if (pData->midiprog.current >= 0)

  2410.         {

  2411.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2412. 

  2413.             if (getType() == PLUGIN_DSSI)

  2414.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2415.             else

  2416.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2417.         }

  2418. 

  2419.         for (uint32_t i=0; i < pData->param.count; ++i)

  2420.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2421. 

  2422.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2423.             pData->transientTryCounter = 1;

  2424. 

  2425.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2426.     }

  2427. 

  2428.     void handleOscMessageExiting()

  2429.     {

  2430.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2431. 

  2432.         // hide UI

  2433.         showCustomUI(false);

  2434. 

  2435.         // tell frontend

  2436.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2437.     }

  2438. 

  2439.     // -------------------------------------------------------------------

  2440.     // Post-poned UI Stuff

  2441. 

  2442.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2443.     {

  2444.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2445. 

  2446.         if (fOscData.target == nullptr)

  2447.             return;

  2448. 

  2449.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2450.     }

  2451. 

  2452.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2453.     {

  2454.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2455. 

  2456.         if (fOscData.target == nullptr)

  2457.             return;

  2458. 

  2459.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2460.     }

  2461. 

  2462.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2463.     {

  2464.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2465.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2466.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2467. 

  2468.         if (fOscData.target == nullptr)

  2469.             return;

  2470. 

  2471. #if 0

  2472.         uint8_t midiData[4];

  2473.         midiData[0] = 0;

  2474.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2475.         midiData[2] = note;

  2476.         midiData[3] = velo;

  2477. 

  2478.         osc_send_midi(fOscData, midiData);

  2479. #endif

  2480.     }

  2481. 

  2482.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2483.     {

  2484.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2485.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2486. 

  2487.         if (fOscData.target == nullptr)

  2488.             return;

  2489. 

  2490. #if 0

  2491.         uint8_t midiData[4];

  2492.         midiData[0] = 0;

  2493.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2494.         midiData[2] = note;

  2495.         midiData[3] = 0;

  2496. 

  2497.         osc_send_midi(fOscData, midiData);

  2498. #endif

  2499.     }

  2500. #endif // HAVE_LIBLO

  2501. 

  2502.     // -------------------------------------------------------------------

  2503. 

  2504.     const void* getNativeDescriptor() const noexcept override

  2505.     {

  2506.         return fDssiDescriptor;

  2507.     }

  2508. 

  2509. #ifdef HAVE_LIBLO

  2510.     uintptr_t getUiBridgeProcessId() const noexcept override

  2511.     {

  2512.         return fThreadUI.getProcessPID();

  2513.     }

  2514. 

  2515.     const void* getExtraStuff() const noexcept override

  2516.     {

  2517.         return fUiFilename;

  2518.     }

  2519. #endif

  2520. 

  2521.     // -------------------------------------------------------------------

  2522. 

  2523.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  2524.     {

  2525.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2526. 

  2527.         // ---------------------------------------------------------------

  2528.         // first checks

  2529. 

  2530.         if (pData->client != nullptr)

  2531.         {

  2532.             pData->engine->setLastError("Plugin client is already registered");

  2533.             return false;

  2534.         }

  2535. 

  2536.         if (filename == nullptr || filename[0] == '\0')

  2537.         {

  2538.             pData->engine->setLastError("null filename");

  2539.             return false;

  2540.         }

  2541. 

  2542.         if (label == nullptr || label[0] == '\0')

  2543.         {

  2544.             pData->engine->setLastError("null label");

  2545.             return false;

  2546.         }

  2547. 

  2548.         // ---------------------------------------------------------------

  2549.         // open DLL

  2550. 

  2551.         if (! pData->libOpen(filename))

  2552.         {

  2553.             pData->engine->setLastError(pData->libError(filename));

  2554.             return false;

  2555.         }

  2556. 

  2557.         // ---------------------------------------------------------------

  2558.         // get DLL main entry

  2559. 

  2560.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2561. 

  2562.         if (descFn == nullptr)

  2563.         {

  2564.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2565.             return false;

  2566.         }

  2567. 

  2568.         // ---------------------------------------------------------------

  2569.         // get descriptor that matches label

  2570. 

  2571.         for (ulong d=0;; ++d)

  2572.         {

  2573.             try {

  2574.                 fDssiDescriptor = descFn(d);

  2575.             }

  2576.             catch(...) {

  2577.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2578.                 fDescriptor     = nullptr;

  2579.                 fDssiDescriptor = nullptr;

  2580.                 break;

  2581.             }

  2582. 

  2583.             if (fDssiDescriptor == nullptr)

  2584.                 break;

  2585. 

  2586.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2587. 

  2588.             if (fDescriptor == nullptr)

  2589.             {

  2590.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2591.                 fDssiDescriptor = nullptr;

  2592.                 break;

  2593.             }

  2594.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2595.             {

  2596.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2597.                 fDescriptor     = nullptr;

  2598.                 fDssiDescriptor = nullptr;

  2599.                 break;

  2600.             }

  2601.             if (fDescriptor->run == nullptr)

  2602.             {

  2603.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2604.                 fDescriptor     = nullptr;

  2605.                 fDssiDescriptor = nullptr;

  2606.                 break;

  2607.             }

  2608. 

  2609.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2610.                 break;

  2611.         }

  2612. 

  2613.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2614.         {

  2615.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2616.             return false;

  2617.         }

  2618. 

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

  2620.         // check if uses global instance

  2621. 

  2622.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2623.         {

  2624.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2625.             return false;

  2626.         }

  2627. 

  2628.         // ---------------------------------------------------------------

  2629.         // get info

  2630. 

  2631.         if (name != nullptr && name[0] != '\0')

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

  2633.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2634.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2635.         else

  2636.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2637. 

  2638.         pData->filename = carla_strdup(filename);

  2639. 

  2640.         // ---------------------------------------------------------------

  2641.         // register client

  2642. 

  2643.         pData->client = pData->engine->addClient(this);

  2644. 

  2645.         if (pData->client == nullptr || ! pData->client->isOk())

  2646.         {

  2647.             pData->engine->setLastError("Failed to register plugin client");

  2648.             return false;

  2649.         }

  2650. 

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

  2652.         // initialize plugin

  2653. 

  2654.         if (! addInstance())

  2655.             return false;

  2656. 

  2657.         // ---------------------------------------------------------------

  2658.         // find latency port index

  2659. 

  2660.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2661.         {

  2662.             const int portType(fDescriptor->PortDescriptors[i]);

  2663. 

  2664.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2665.                 continue;

  2666. 

  2667.             const uint32_t index(iCtrl++);

  2668. 

  2669.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2670.                 continue;

  2671. 

  2672.             const char* const portName(fDescriptor->PortNames[i]);

  2673.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2674. 

  2675.             if (std::strcmp(portName, "latency")  == 0 ||

  2676.                 std::strcmp(portName, "_latency") == 0)

  2677.             {

  2678.                 fLatencyIndex = static_cast<int32_t>(index);

  2679.                 break;

  2680.             }

  2681.         }

  2682. 

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

  2684.         // check for custom data extension

  2685. 

  2686.         if (fDssiDescriptor->configure != nullptr)

  2687.         {

  2688.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2689.             {

  2690.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2691.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2692.                     fUsesCustomData = true;

  2693. 

  2694.                 std::free(error);

  2695.             }

  2696.         }

  2697. 

  2698.         // ---------------------------------------------------------------

  2699.         // check if this is dssi-vst

  2700. 

  2701.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2702. 

  2703. #ifdef HAVE_LIBLO

  2704.         // ---------------------------------------------------------------

  2705.         // check for gui

  2706. 

  2707.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2708.         {

  2709.             fUiFilename = guiFilename;

  2710.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2711.         }

  2712. #endif

  2713. 

  2714.         // ---------------------------------------------------------------

  2715.         // set default options

  2716. 

  2717.         pData->options = 0x0;

  2718. 

  2719.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2720.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2721.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2722.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2723. 

  2724.         /**/ if (pData->engine->getOptions().forceStereo)

  2725.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2726.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2727.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2728. 

  2729.         if (fUsesCustomData)

  2730.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2731. 

  2732.         if (fDssiDescriptor->run_synth != nullptr)

  2733.         {

  2734.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2735.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2736.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2737.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2738. 

  2739.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2740.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2741.         }

  2742. 

  2743.         return true;

  2744.     }

  2745. 

  2746.     // -------------------------------------------------------------------

  2747. 

  2748. private:

  2749.     LinkedList<LADSPA_Handle> fHandles;

  2750.     const LADSPA_Descriptor*  fDescriptor;

  2751.     const DSSI_Descriptor*    fDssiDescriptor;

  2752. 

  2753.     float** fAudioInBuffers;

  2754.     float** fAudioOutBuffers;

  2755.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2756.     float*  fParamBuffers;

  2757. 

  2758.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2759. 

  2760.     int32_t fLatencyIndex; // -1 if invalid

  2761.     bool    fForcedStereoIn;

  2762.     bool    fForcedStereoOut;

  2763.     bool    fIsDssiVst;

  2764.     bool    fUsesCustomData;

  2765. 

  2766. #ifdef HAVE_LIBLO

  2767.     CarlaOscData      fOscData;

  2768.     CarlaThreadDSSIUI fThreadUI;

  2769.     const char*       fUiFilename;

  2770. #endif

  2771. 

  2772.     // -------------------------------------------------------------------

  2773. 

  2774.     bool addInstance()

  2775.     {

  2776.         LADSPA_Handle handle;

  2777. 

  2778.         try {

  2779.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2780.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2781. 

  2782.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2783.         {

  2784.             const int32_t rindex(pData->param.data[i].rindex);

  2785.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2786. 

  2787.             try {

  2788.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2789.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2790.         }

  2791. 

  2792.         if (fHandles.append(handle))

  2793.             return true;

  2794. 

  2795.         try {

  2796.             fDescriptor->cleanup(handle);

  2797.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2798. 

  2799.         pData->engine->setLastError("Out of memory");

  2800.         return false;

  2801.     }

  2802. 

  2803.     uint32_t getSafePortCount() const noexcept

  2804.     {

  2805.         if (fDescriptor->PortCount == 0)

  2806.             return 0;

  2807. 

  2808.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2809.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2810.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2811. 

  2812.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2813.     }

  2814. 

  2815.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2816.     {

  2817.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2818.             return true;

  2819.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2820.             return true;

  2821.         return false;

  2822.     }

  2823. 

  2824.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2825.                                                      const bool wantName, const bool useBracket) noexcept

  2826.     {

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

  2828. 

  2829.         if (sepBracketStart == nullptr)

  2830.             return false;

  2831. 

  2832.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2833. 

  2834.         if (sepBracketEnd == nullptr)

  2835.             return false;

  2836. 

  2837.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2838. 

  2839.         if (unitSize > 7) // very unlikely to have such big unit

  2840.             return false;

  2841. 

  2842.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2843. 

  2844.         // just in case

  2845.         if (sepIndex+2 >= STR_MAX)

  2846.             return false;

  2847. 

  2848.         if (wantName)

  2849.         {

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

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

  2852.         }

  2853.         else

  2854.         {

  2855.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2856.             strBuf[unitSize] = '\0';

  2857.         }

  2858. 

  2859.         return true;

  2860.     }

  2861. 

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

  2863. 

  2864.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2865. };

  2866. 

  2867. // -------------------------------------------------------------------------------------------------------------------

  2868. 

  2869. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2870. {

  2871.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2872.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2873. 

  2874.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2875. 

  2876.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2877.     {

  2878.         delete plugin;

  2879.         return nullptr;

  2880.     }

  2881. 

  2882.     return plugin;

  2883. }

  2884. 

  2885. // -------------------------------------------------------------------------------------------------------------------

  2886. 

  2887. CARLA_BACKEND_END_NAMESPACE