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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) 2011-2018 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. #include "water/threads/ChildProcess.h"

  31. 

  32. using water::ChildProcess;

  33. using water::String;

  34. using water::StringArray;

  35. 

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

  37.     /* check argument count */                                                                                                  \

  38.     if (argc != argcToCompare)                                                                                                  \

  39.     {                                                                                                                           \

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

  41.         return;                                                                                                                 \

  42.     }                                                                                                                           \

  43.     if (argc > 0)                                                                                                               \

  44.     {                                                                                                                           \

  45.         /* check for nullness */                                                                                                \

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

  47.         {                                                                                                                       \

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

  49.             return;                                                                                                             \

  50.         }                                                                                                                       \

  51.         /* check argument types */                                                                                              \

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

  53.         {                                                                                                                       \

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

  55.             return;                                                                                                             \

  56.         }                                                                                                                       \

  57.     }

  58. 

  59. CARLA_BACKEND_START_NAMESPACE

  60. 

  61. // -------------------------------------------------------------------

  62. // Fallback data

  63. 

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

  65. 

  66. #ifdef HAVE_LIBLO

  67. // -------------------------------------------------------------------

  68. 

  69. class CarlaThreadDSSIUI : public CarlaThread

  70. {

  71. public:

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

  73.         : CarlaThread("CarlaThreadDSSIUI"),

  74.           kEngine(engine),

  75.           kPlugin(plugin),

  76.           fBinary(),

  77.           fLabel(),

  78.           fOscData(oscData),

  79.           fProcess() {}

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

  104. 

  105.         if (fProcess == nullptr)

  106.         {

  107.             fProcess = new ChildProcess();

  108.         }

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

  110.         {

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

  112. 

  113.             fProcess->kill();

  114.             fProcess = nullptr;

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

  116.             return;

  117.         }

  118. 

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

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

  121. 

  122.         if (name.isEmpty())

  123.             name = "(none)";

  124. 

  125.         if (filename.isEmpty())

  126.             filename = "\"\"";

  127. 

  128.         StringArray arguments;

  129. 

  130.         // binary

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

  132. 

  133.         // osc-url

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

  135. 

  136.         // filename

  137.         arguments.add(filename);

  138. 

  139.         // label

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

  141. 

  142.         // ui-title

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

  144. 

  145.         bool started;

  146. 

  147.         {

  148. #ifdef CARLA_OS_LINUX

  149.             /*

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

  151.              * If not, unset LD_PRELOAD.

  152.              */

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

  154. 

  155.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  156.             char winIdStr[STR_MAX+1];

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

  158. 

  159.             // for LD_PRELOAD

  160.             CarlaString ldPreloadValue;

  161. 

  162.             if (winId != 0)

  163.             {

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

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

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

  167.             }

  168.             else

  169.             {

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

  171.             }

  172. 

  173.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  176. #endif // CARLA_OS_LINUX

  177. 

  178.             // start the DSSI UI application

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

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

  181.         }

  182. 

  183.         if (! started)

  184.         {

  185.             carla_stdout("failed!");

  186.             fProcess = nullptr;

  187.             return;

  188.         }

  189. 

  190.         if (waitForOscGuiShow())

  191.         {

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

  193.                 carla_sleep(1);

  194. 

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

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

  197.             {

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

  199. 

  200.                 if (fProcess->isRunning())

  201.                 {

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

  203.                     fProcess->kill();

  204.                 }

  205.                 else

  206.                 {

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

  208.                 }

  209.             }

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

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

  212.             else

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

  214.         }

  215.         else

  216.         {

  217.             fProcess->kill();

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

  219.         }

  220. 

  221.         fProcess = nullptr;

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

  223. 

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

  225.     }

  226. 

  227. private:

  228.     CarlaEngine* const kEngine;

  229.     CarlaPlugin* const kPlugin;

  230. 

  231.     CarlaString fBinary;

  232.     CarlaString fLabel;

  233. 

  234.     const CarlaOscData&         fOscData;

  235.     ScopedPointer<ChildProcess> fProcess;

  236. 

  237.     bool waitForOscGuiShow()

  238.     {

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

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

  241. 

  242.         // wait for UI 'update' call

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

  244.         {

  245.             if (fOscData.target != nullptr)

  246.             {

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

  248.                 osc_send_show(fOscData);

  249.                 return true;

  250.             }

  251. 

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

  253.                 carla_msleep(100);

  254.             else

  255.                 return false;

  256.         }

  257. 

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

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

  260.         return false;

  261.     }

  262. 

  263.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  264. };

  265. #endif

  266. 

  267. // -----------------------------------------------------

  268. 

  269. class CarlaPluginDSSI : public CarlaPlugin

  270. {

  271. public:

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

  273.         : CarlaPlugin(engine, id),

  274.           fHandles(),

  275.           fDescriptor(nullptr),

  276.           fDssiDescriptor(nullptr),

  277.           fAudioInBuffers(nullptr),

  278.           fAudioOutBuffers(nullptr),

  279.           fExtraStereoBuffer(),

  280.           fParamBuffers(nullptr),

  281.           fLatencyIndex(-1),

  282.           fForcedStereoIn(false),

  283.           fForcedStereoOut(false),

  284.           fNeedsFixedBuffers(false),

  285.           fUsesCustomData(false)

  286. #ifdef HAVE_LIBLO

  287.         , fOscData(),

  288.           fThreadUI(engine, this, fOscData),

  289.           fUiFilename(nullptr)

  290. #endif

  291.     {

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

  293. 

  294.         carla_zeroPointers(fExtraStereoBuffer, 2);

  295.     }

  296. 

  297.     ~CarlaPluginDSSI() noexcept override

  298.     {

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

  300. 

  301. #ifdef HAVE_LIBLO

  302.         // close UI

  303.         if (fUiFilename != nullptr)

  304.         {

  305.             showCustomUI(false);

  306. 

  307.             delete[] fUiFilename;

  308.             fUiFilename = nullptr;

  309.         }

  310. #endif

  311. 

  312.         pData->singleMutex.lock();

  313.         pData->masterMutex.lock();

  314. 

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

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

  317. 

  318.         if (pData->active)

  319.         {

  320.             deactivate();

  321.             pData->active = false;

  322.         }

  323. 

  324.         if (fDescriptor != nullptr)

  325.         {

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

  327.             {

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

  329.                 {

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

  331.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  332. 

  333.                     try {

  334.                         fDescriptor->cleanup(handle);

  335.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  336.                 }

  337.             }

  338. 

  339.             fHandles.clear();

  340.             fDescriptor = nullptr;

  341.             fDssiDescriptor = nullptr;

  342.         }

  343. 

  344.         clearBuffers();

  345.     }

  346. 

  347.     // -------------------------------------------------------------------

  348.     // Information (base)

  349. 

  350.     PluginType getType() const noexcept override

  351.     {

  352.         return PLUGIN_DSSI;

  353.     }

  354. 

  355.     PluginCategory getCategory() const noexcept override

  356.     {

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

  358. 

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

  360.             return PLUGIN_CATEGORY_SYNTH;

  361. 

  362.         return CarlaPlugin::getCategory();

  363.     }

  364. 

  365.     int64_t getUniqueId() const noexcept override

  366.     {

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

  368. 

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

  370.     }

  371. 

  372.     uint32_t getLatencyInFrames() const noexcept override

  373.     {

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

  375.             return 0;

  376. 

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

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

  379. 

  380.         return static_cast<uint32_t>(latency);

  381.     }

  382. 

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

  384.     // Information (count)

  385. 

  386.     // nothing

  387. 

  388.     // -------------------------------------------------------------------

  389.     // Information (current data)

  390. 

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

  392.     {

  393.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  399. 

  400.         *dataPtr = nullptr;

  401. 

  402.         int ret = 0;

  403.         ulong dataSize = 0;

  404. 

  405.         try {

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

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

  408. 

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

  410.     }

  411. 

  412.     // -------------------------------------------------------------------

  413.     // Information (per-plugin data)

  414. 

  415.     uint getOptionsAvailable() const noexcept override

  416.     {

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

  418. 

  419.         uint options = 0x0;

  420. 

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

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

  423.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  424. 

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

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

  427.             pass();

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

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

  430.             options |= PLUGIN_OPTION_FORCE_STEREO;

  431. 

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

  433.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  434. 

  435.         if (fUsesCustomData)

  436.             options |= PLUGIN_OPTION_USE_CHUNKS;

  437. 

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

  439.         {

  440.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  441.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  442.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  443.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  444.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  445.         }

  446. 

  447.         return options;

  448.     }

  449. 

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

  451.     {

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

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

  454. 

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

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

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

  458. 

  459.         // not output, should be fine

  460.         return fParamBuffers[parameterId];

  461.     }

  462. 

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

  464.     {

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

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

  467. 

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

  469.     }

  470. 

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

  472.     {

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

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

  475. 

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

  477.     }

  478. 

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

  480.     {

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

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

  483. 

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

  485.     }

  486. 

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

  488.     {

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

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

  491. 

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

  493.     }

  494. 

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

  496.     {

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

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

  499. 

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

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

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

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

  504. 

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

  506.             return;

  507. 

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

  509.     }

  510. 

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

  512.     {

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

  514. 

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

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

  517. 

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

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

  520. 

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

  522.             return;

  523. 

  524.         nullStrBuf(strBuf);

  525.     }

  526. 

  527.     // -------------------------------------------------------------------

  528.     // Set data (state)

  529. 

  530.     // nothing

  531. 

  532.     // -------------------------------------------------------------------

  533.     // Set data (internal stuff)

  534. 

  535.     void setId(const uint newId) noexcept override

  536.     {

  537.         CarlaPlugin::setId(newId);

  538. 

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

  540.         // FIXME - must be RT safe

  541.         showCustomUI(false);

  542.     }

  543. 

  544.     // -------------------------------------------------------------------

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

  546. 

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

  548.     {

  549.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  551. 

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

  553.         fParamBuffers[parameterId] = fixedValue;

  554. 

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

  556.     }

  557. 

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

  559.     {

  560.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  563.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  565. 

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

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

  568. 

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

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

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

  572. 

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

  574.         {

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

  576.             {

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

  578.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  579. 

  580.                 try {

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

  582.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  583.             }

  584.         }

  585. 

  586. #ifdef HAVE_LIBLO

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

  588.             osc_send_configure(fOscData, key, value);

  589. #endif

  590. 

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

  592.         {

  593.             const ScopedSingleProcessLocker spl(this, true);

  594.             reloadPrograms(false);

  595.         }

  596. 

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

  598.     }

  599. 

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

  601.     {

  602.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  604.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  606.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  607.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  608. 

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

  610.         {

  611.             const ScopedSingleProcessLocker spl(this, true);

  612. 

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

  614.             {

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

  616.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  617. 

  618.                 try {

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

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

  621.             }

  622.         }

  623. 

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

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

  626. #else

  627.         const bool sendOsc(false);

  628. #endif

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

  630.     }

  631. 

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

  633.     {

  634.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  637. 

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

  639.         {

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

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

  642. 

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

  644. 

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

  646.             {

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

  648.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  649. 

  650.                 try {

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

  652.                 } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  653.             }

  654.         }

  655. 

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

  657.     }

  658. 

  659. #ifdef HAVE_LIBLO

  660.     // -------------------------------------------------------------------

  661.     // Set ui stuff

  662. 

  663.     void showCustomUI(const bool yesNo) override

  664.     {

  665.         if (yesNo)

  666.         {

  667.             fOscData.clear();

  668.             fThreadUI.startThread();

  669.         }

  670.         else

  671.         {

  672. #ifndef BUILD_BRIDGE

  673.             pData->transientTryCounter = 0;

  674. #endif

  675. 

  676.             if (fOscData.target != nullptr)

  677.             {

  678.                 osc_send_hide(fOscData);

  679.                 osc_send_quit(fOscData);

  680.                 fOscData.clear();

  681.             }

  682. 

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

  684.         }

  685.     }

  686. #endif

  687. 

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

  689.     // Plugin state

  690. 

  691.     void reload() override

  692.     {

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

  694.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  695.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  698. 

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

  700. 

  701.         // Safely disable plugin for reload

  702.         const ScopedDisabler sd(this);

  703. 

  704.         if (pData->active)

  705.             deactivate();

  706. 

  707.         clearBuffers();

  708. 

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

  710.         const uint32_t portCount(getSafePortCount());

  711. 

  712.         uint32_t aIns, aOuts, mIns, params;

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

  714. 

  715.         bool forcedStereoIn, forcedStereoOut;

  716.         forcedStereoIn = forcedStereoOut = false;

  717. 

  718.         bool needsCtrlIn, needsCtrlOut;

  719.         needsCtrlIn = needsCtrlOut = false;

  720. 

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

  722.         {

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

  724. 

  725.             if (LADSPA_IS_PORT_AUDIO(portType))

  726.             {

  727.                 if (LADSPA_IS_PORT_INPUT(portType))

  728.                     aIns += 1;

  729.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  730.                     aOuts += 1;

  731.             }

  732.             else if (LADSPA_IS_PORT_CONTROL(portType))

  733.                 params += 1;

  734.         }

  735. 

  736.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  737.         {

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

  739.             {

  740.                 if (aIns == 1)

  741.                 {

  742.                     aIns = 2;

  743.                     forcedStereoIn = true;

  744.                 }

  745.                 if (aOuts == 1)

  746.                 {

  747.                     aOuts = 2;

  748.                     forcedStereoOut = true;

  749.                 }

  750.             }

  751.         }

  752. 

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

  754.         {

  755.             mIns = 1;

  756.             needsCtrlIn = true;

  757.         }

  758. 

  759.         if (aIns > 0)

  760.         {

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

  762.             fAudioInBuffers = new float*[aIns];

  763. 

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

  765.                 fAudioInBuffers[i] = nullptr;

  766.         }

  767. 

  768.         if (aOuts > 0)

  769.         {

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

  771.             fAudioOutBuffers = new float*[aOuts];

  772.             needsCtrlIn = true;

  773. 

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

  775.                 fAudioOutBuffers[i] = nullptr;

  776.         }

  777. 

  778.         if (params > 0)

  779.         {

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

  781. 

  782.             fParamBuffers = new float[params];

  783.             carla_zeroFloats(fParamBuffers, params);

  784.         }

  785. 

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

  787.         CarlaString portName;

  788. 

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

  790.         {

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

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

  793. 

  794.             if (LADSPA_IS_PORT_AUDIO(portType))

  795.             {

  796.                 portName.clear();

  797. 

  798.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  799.                 {

  800.                     portName  = pData->name;

  801.                     portName += ":";

  802.                 }

  803. 

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

  805.                 {

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

  807.                 }

  808.                 else

  809.                 {

  810.                     if (LADSPA_IS_PORT_INPUT(portType))

  811.                     {

  812.                         if (aIns > 1)

  813.                         {

  814.                             portName += "audio-in_";

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

  816.                         }

  817.                         else

  818.                             portName += "audio-in";

  819.                     }

  820.                     else

  821.                     {

  822.                         if (aOuts > 1)

  823.                         {

  824.                             portName += "audio-out_";

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

  826.                         }

  827.                         else

  828.                             portName += "audio-out";

  829.                     }

  830.                 }

  831. 

  832.                 portName.truncate(portNameSize);

  833. 

  834.                 if (LADSPA_IS_PORT_INPUT(portType))

  835.                 {

  836.                     const uint32_t j = iAudioIn++;

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

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

  839. 

  840.                     if (forcedStereoIn)

  841.                     {

  842.                         portName += "_2";

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

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

  845.                     }

  846.                 }

  847.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  848.                 {

  849.                     const uint32_t j = iAudioOut++;

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

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

  852. 

  853.                     if (forcedStereoOut)

  854.                     {

  855.                         portName += "_2";

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

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

  858.                     }

  859.                 }

  860.                 else

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

  862.             }

  863.             else if (LADSPA_IS_PORT_CONTROL(portType))

  864.             {

  865.                 const uint32_t j = iCtrl++;

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

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

  868. 

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

  870. 

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

  872. 

  873.                 // min value

  874.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  875.                     min = portRangeHints.LowerBound;

  876.                 else

  877.                     min = 0.0f;

  878. 

  879.                 // max value

  880.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  881.                     max = portRangeHints.UpperBound;

  882.                 else

  883.                     max = 1.0f;

  884. 

  885.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  886.                 {

  887.                     min *= sampleRate;

  888.                     max *= sampleRate;

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

  890.                 }

  891. 

  892.                 if (min >= max)

  893.                 {

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

  895.                     max = min + 0.1f;

  896.                 }

  897. 

  898.                 // default value

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

  900. 

  901.                 if (def < min)

  902.                     def = min;

  903.                 else if (def > max)

  904.                     def = max;

  905. 

  906.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  907.                 {

  908.                     step = max - min;

  909.                     stepSmall = step;

  910.                     stepLarge = step;

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

  912.                 }

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

  914.                 {

  915.                     step = 1.0f;

  916.                     stepSmall = 1.0f;

  917.                     stepLarge = 10.0f;

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

  919.                 }

  920.                 else

  921.                 {

  922.                     const float range = max - min;

  923.                     step = range/100.0f;

  924.                     stepSmall = range/1000.0f;

  925.                     stepLarge = range/10.0f;

  926.                 }

  927. 

  928.                 if (LADSPA_IS_PORT_INPUT(portType))

  929.                 {

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

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

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

  933.                     needsCtrlIn = true;

  934. 

  935.                     // MIDI CC value

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

  937.                     {

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

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

  940.                         {

  941.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  942.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  944.                         }

  945.                     }

  946.                 }

  947.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  948.                 {

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

  950. 

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

  952.                     {

  953.                         min = 0.0f;

  954.                         max = sampleRate;

  955.                         def = 0.0f;

  956.                         step = 1.0f;

  957.                         stepSmall = 1.0f;

  958.                         stepLarge = 1.0f;

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

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

  961.                     }

  962.                     else

  963.                     {

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

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

  966.                         needsCtrlOut = true;

  967.                     }

  968.                 }

  969.                 else

  970.                 {

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

  972.                 }

  973. 

  974.                 // extra parameter hints

  975.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  977. 

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

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

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

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

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

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

  984. 

  985.                 // Start parameters in their default values

  986.                 fParamBuffers[j] = def;

  987. 

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

  989.                 {

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

  991.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  992. 

  993.                     try {

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

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

  996.                 }

  997.             }

  998.             else

  999.             {

  1000.                 // Not Audio or Control

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

  1002. 

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

  1004.                 {

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

  1006.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1007. 

  1008.                     try {

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

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

  1011.                 }

  1012.             }

  1013.         }

  1014. 

  1015.         if (needsCtrlIn)

  1016.         {

  1017.             portName.clear();

  1018. 

  1019.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1020.             {

  1021.                 portName  = pData->name;

  1022.                 portName += ":";

  1023.             }

  1024. 

  1025.             portName += "events-in";

  1026.             portName.truncate(portNameSize);

  1027. 

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

  1029.         }

  1030. 

  1031.         if (needsCtrlOut)

  1032.         {

  1033.             portName.clear();

  1034. 

  1035.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1036.             {

  1037.                 portName  = pData->name;

  1038.                 portName += ":";

  1039.             }

  1040. 

  1041.             portName += "events-out";

  1042.             portName.truncate(portNameSize);

  1043. 

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

  1045.         }

  1046. 

  1047.         if (forcedStereoIn || forcedStereoOut)

  1048.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1049.         else

  1050.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1051. 

  1052.         // plugin hints

  1053.         pData->hints = 0x0;

  1054. 

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

  1056.             pData->hints |= PLUGIN_IS_RTSAFE;

  1057. 

  1058. #ifdef HAVE_LIBLO

  1059.         if (fUiFilename != nullptr)

  1060.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1061. #endif

  1062. 

  1063. #ifndef BUILD_BRIDGE

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

  1065.             pData->hints |= PLUGIN_CAN_DRYWET;

  1066. 

  1067.         if (aOuts > 0)

  1068.             pData->hints |= PLUGIN_CAN_VOLUME;

  1069. 

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

  1071.             pData->hints |= PLUGIN_CAN_BALANCE;

  1072. #endif

  1073. 

  1074.         // extra plugin hints

  1075.         pData->extraHints  = 0x0;

  1076.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1077. 

  1078.         if (mIns > 0)

  1079.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1080. 

  1081.         // check initial latency

  1082.         findInitialLatencyValue(aIns, aOuts);

  1083. 

  1084.         fForcedStereoIn  = forcedStereoIn;

  1085.         fForcedStereoOut = forcedStereoOut;

  1086. 

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

  1088.         reloadPrograms(true);

  1089. 

  1090.         if (pData->active)

  1091.             activate();

  1092. 

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

  1094.     }

  1095. 

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

  1097.     {

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

  1099.             return;

  1100. 

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

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

  1103.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1104. 

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

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

  1107. 

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

  1109.         {

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

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

  1112. 

  1113.             try {

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

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

  1116.         }

  1117. 

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

  1119.         {

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

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

  1122. 

  1123.             try {

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

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

  1126.         }

  1127. 

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

  1129.         {

  1130.             try {

  1131.                 fDescriptor->activate(handle);

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

  1133.         }

  1134. 

  1135.         try {

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

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

  1138. 

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

  1140.         {

  1141.             try {

  1142.                 fDescriptor->deactivate(handle);

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

  1144.         }

  1145. 

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

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

  1148.         {

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

  1150. #ifndef BUILD_BRIDGE

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

  1152. #endif

  1153.         }

  1154.     }

  1155. 

  1156.     void reloadPrograms(const bool doInit) override

  1157.     {

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

  1159. 

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

  1161.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1162. 

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

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

  1165. 

  1166.         // Delete old programs

  1167.         pData->midiprog.clear();

  1168. 

  1169.         // Query new programs

  1170.         uint32_t newCount = 0;

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

  1172.         {

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

  1174.                 ++newCount;

  1175.         }

  1176. 

  1177.         if (newCount > 0)

  1178.         {

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

  1180. 

  1181.             // Update data

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

  1183.             {

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

  1185.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

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

  1187. 

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

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

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

  1191.             }

  1192.         }

  1193. 

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

  1195.         // Update OSC Names

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

  1197.         {

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

  1199. 

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

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

  1202.         }

  1203. #endif

  1204. 

  1205.         if (doInit)

  1206.         {

  1207.             if (newCount > 0)

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

  1209.         }

  1210.         else

  1211.         {

  1212.             // Check if current program is invalid

  1213.             bool programChanged = false;

  1214. 

  1215.             if (newCount == oldCount+1)

  1216.             {

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

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

  1219.                 programChanged = true;

  1220.             }

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

  1222.             {

  1223.                 // programs exist now, but not before

  1224.                 pData->midiprog.current = 0;

  1225.                 programChanged = true;

  1226.             }

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

  1228.             {

  1229.                 // programs existed before, but not anymore

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

  1231.                 programChanged = true;

  1232.             }

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

  1234.             {

  1235.                 // current midi program > count

  1236.                 pData->midiprog.current = 0;

  1237.                 programChanged = true;

  1238.             }

  1239.             else

  1240.             {

  1241.                 // no change

  1242.                 pData->midiprog.current = current;

  1243.             }

  1244. 

  1245.             if (programChanged)

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

  1247. 

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

  1249.         }

  1250.     }

  1251. 

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

  1253.     // Plugin processing

  1254. 

  1255.     void activate() noexcept override

  1256.     {

  1257.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1258. 

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

  1260.         {

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

  1262.             {

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

  1264.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1265. 

  1266.                 try {

  1267.                     fDescriptor->activate(handle);

  1268.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1269.             }

  1270.         }

  1271.     }

  1272. 

  1273.     void deactivate() noexcept override

  1274.     {

  1275.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1276. 

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

  1278.         {

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

  1280.             {

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

  1282.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1283. 

  1284.                 try {

  1285.                     fDescriptor->deactivate(handle);

  1286.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1287.             }

  1288.         }

  1289.     }

  1290. 

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

  1292.     {

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

  1294.         // Check if active

  1295. 

  1296.         if (! pData->active)

  1297.         {

  1298.             // disable any output sound

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

  1300.                 carla_zeroFloats(audioOut[i], frames);

  1301.             return;

  1302.         }

  1303. 

  1304.         ulong midiEventCount = 0;

  1305.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1306. 

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

  1308.         // Check if needs reset

  1309. 

  1310.         if (pData->needsReset)

  1311.         {

  1312.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1313.             {

  1314.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1315. 

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

  1317.                 {

  1318.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1321. 

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

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

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

  1325.                 }

  1326.             }

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

  1328.             {

  1329.                 midiEventCount = MAX_MIDI_NOTE;

  1330. 

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

  1332.                 {

  1333.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1336.                 }

  1337.             }

  1338. 

  1339.             pData->needsReset = false;

  1340.         }

  1341. 

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

  1343.         // Event Input and Processing

  1344. 

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

  1346.         {

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

  1348.             // MIDI Input (External)

  1349. 

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

  1351.             {

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

  1353. 

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

  1355.                 {

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

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

  1358. 

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

  1360. 

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

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

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

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

  1365.                 }

  1366. 

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

  1368. 

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

  1370. 

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

  1372.             // Event Input (System)

  1373. 

  1374. #ifndef BUILD_BRIDGE

  1375.             bool allNotesOffSent = false;

  1376. #endif

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

  1378. 

  1379.             uint32_t startTime  = 0;

  1380.             uint32_t timeOffset = 0;

  1381.             uint32_t nextBankId;

  1382. 

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

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

  1385.             else

  1386.                 nextBankId = 0;

  1387. 

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

  1389.             {

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

  1391. 

  1392.                 if (event.time >= frames)

  1393.                     continue;

  1394. 

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

  1396. 

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

  1398.                 {

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

  1400.                     {

  1401.                         startTime  = 0;

  1402.                         timeOffset = event.time;

  1403.                         midiEventCount = 0;

  1404. 

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

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

  1407.                         else

  1408.                             nextBankId = 0;

  1409.                     }

  1410.                     else

  1411.                         startTime += timeOffset;

  1412.                 }

  1413. 

  1414.                 switch (event.type)

  1415.                 {

  1416.                 case kEngineEventTypeNull:

  1417.                     break;

  1418. 

  1419.                 case kEngineEventTypeControl: {

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

  1421. 

  1422.                     switch (ctrlEvent.type)

  1423.                     {

  1424.                     case kEngineControlEventTypeNull:

  1425.                         break;

  1426. 

  1427.                     case kEngineControlEventTypeParameter: {

  1428. #ifndef BUILD_BRIDGE

  1429.                         // Control backend stuff

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

  1431.                         {

  1432.                             float value;

  1433. 

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

  1435.                             {

  1436.                                 value = ctrlEvent.value;

  1437.                                 setDryWet(value, false, false);

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

  1439.                             }

  1440. 

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

  1442.                             {

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

  1444.                                 setVolume(value, false, false);

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

  1446.                             }

  1447. 

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

  1449.                             {

  1450.                                 float left, right;

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

  1452. 

  1453.                                 if (value < 0.0f)

  1454.                                 {

  1455.                                     left  = -1.0f;

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

  1457.                                 }

  1458.                                 else if (value > 0.0f)

  1459.                                 {

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

  1461.                                     right = 1.0f;

  1462.                                 }

  1463.                                 else

  1464.                                 {

  1465.                                     left  = -1.0f;

  1466.                                     right = 1.0f;

  1467.                                 }

  1468. 

  1469.                                 setBalanceLeft(left, false, false);

  1470.                                 setBalanceRight(right, false, false);

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

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

  1473.                             }

  1474.                         }

  1475. #endif

  1476.                         // Control plugin parameters

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

  1478.                         {

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

  1480.                                 continue;

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

  1482.                                 continue;

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

  1484.                                 continue;

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

  1486.                                 continue;

  1487. 

  1488.                             float value;

  1489. 

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

  1491.                             {

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

  1493.                             }

  1494.                             else

  1495.                             {

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

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

  1498.                                 else

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

  1500. 

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

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

  1503.                             }

  1504. 

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

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

  1507.                         }

  1508. 

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

  1510.                         {

  1511.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1512.                                 continue;

  1513. 

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

  1515. 

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

  1517. 

  1518.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

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

  1522.                         }

  1523. 

  1524.                         break;

  1525.                     } // case kEngineControlEventTypeParameter

  1526. 

  1527.                     case kEngineControlEventTypeMidiBank:

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

  1529.                             nextBankId = ctrlEvent.param;

  1530.                         break;

  1531. 

  1532.                     case kEngineControlEventTypeMidiProgram:

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

  1534.                         {

  1535.                             const uint32_t nextProgramId = ctrlEvent.param;

  1536. 

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

  1538.                             {

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

  1540.                                 {

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

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

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

  1544.                                     break;

  1545.                                 }

  1546.                             }

  1547.                         }

  1548.                         break;

  1549. 

  1550.                     case kEngineControlEventTypeAllSoundOff:

  1551.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1552.                         {

  1553.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1554.                                 continue;

  1555. 

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

  1557. 

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

  1559. 

  1560.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1563.                         }

  1564.                         break;

  1565. 

  1566.                     case kEngineControlEventTypeAllNotesOff:

  1567.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1568.                         {

  1569. #ifndef BUILD_BRIDGE

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

  1571.                             {

  1572.                                 allNotesOffSent = true;

  1573.                                 sendMidiAllNotesOffToCallback();

  1574.                             }

  1575. #endif

  1576. 

  1577.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1578.                                 continue;

  1579. 

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

  1581. 

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

  1583. 

  1584.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1587.                         }

  1588.                         break;

  1589.                     } // switch (ctrlEvent.type)

  1590.                     break;

  1591.                 } // case kEngineEventTypeControl

  1592. 

  1593.                 case kEngineEventTypeMidi: {

  1594.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1595.                         continue;

  1596. 

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

  1598. 

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

  1600.                         continue;

  1601. 

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

  1603. 

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

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

  1606.                         status = MIDI_STATUS_NOTE_OFF;

  1607. 

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

  1609. 

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

  1611. 

  1612.                     switch (status)

  1613.                     {

  1614.                     case MIDI_STATUS_NOTE_OFF: {

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

  1616. 

  1617.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1620. 

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

  1622.                         break;

  1623.                     }

  1624. 

  1625.                     case MIDI_STATUS_NOTE_ON: {

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

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

  1628. 

  1629.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

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

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

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

  1633. 

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

  1635.                         break;

  1636.                     }

  1637. 

  1638.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1639.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1640.                         {

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

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

  1643. 

  1644.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

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

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

  1648.                         }

  1649.                         break;

  1650. 

  1651.                     case MIDI_STATUS_CONTROL_CHANGE:

  1652.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1653.                         {

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

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

  1656. 

  1657.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

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

  1661.                         }

  1662.                         break;

  1663. 

  1664.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1665.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1666.                         {

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

  1668. 

  1669.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

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

  1672.                         }

  1673.                         break;

  1674. 

  1675.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1676.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1677.                         {

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

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

  1680. 

  1681.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

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

  1684.                         }

  1685.                         break;

  1686. 

  1687.                     default:

  1688.                         --midiEventCount;

  1689.                         break;

  1690.                     } // switch (status)

  1691.                 } break;

  1692.                 } // switch (event.type)

  1693.             }

  1694. 

  1695.             pData->postRtEvents.trySplice();

  1696. 

  1697.             if (frames > timeOffset)

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

  1699. 

  1700.         } // End of Event Input and Processing

  1701. 

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

  1703.         // Plugin processing (no events)

  1704. 

  1705.         else

  1706.         {

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

  1708. 

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

  1710. 

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

  1712.         // Control Output

  1713. 

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

  1715.         {

  1716.             uint8_t  channel;

  1717.             uint16_t param;

  1718.             float    value;

  1719. 

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

  1721.             {

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

  1723.                     continue;

  1724. 

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

  1726. 

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

  1728.                 {

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

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

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

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

  1733.                 }

  1734.             }

  1735.         } // End of Control Output

  1736.     }

  1737. 

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

  1739.                        const uint32_t timeOffset, const ulong midiEventCount)

  1740.     {

  1741.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1742. 

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

  1744.         {

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

  1746.         }

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

  1748.         {

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

  1750.         }

  1751. 

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

  1753.         // Try lock, silence otherwise

  1754. 

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

  1756.         {

  1757.             pData->singleMutex.lock();

  1758.         }

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

  1760.         {

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

  1762.             {

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

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

  1765.             }

  1766. 

  1767.             return false;

  1768.         }

  1769. 

  1770.         // --------------------------------------------------------------------------------------------------------

  1771.         // Set audio buffers

  1772. 

  1773.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1774.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1775. 

  1776.         if (! customMonoOut)

  1777.         {

  1778.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1779.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1780.         }

  1781. 

  1782.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1783.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1784. 

  1785.         // --------------------------------------------------------------------------------------------------------

  1786.         // Run plugin

  1787. 

  1788.         uint instn = 0;

  1789.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1790.         {

  1791.             LADSPA_Handle const handle(it.getValue(nullptr));

  1792.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1793. 

  1794.             // ----------------------------------------------------------------------------------------------------

  1795.             // Mixdown for forced stereo

  1796. 

  1797.             if (customMonoOut)

  1798.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1799. 

  1800.             // ----------------------------------------------------------------------------------------------------

  1801.             // Run it

  1802. 

  1803.             if (fDssiDescriptor->run_synth != nullptr)

  1804.             {

  1805.                 try {

  1806.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1807.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1808.             }

  1809.             else

  1810.             {

  1811.                 try {

  1812.                     fDescriptor->run(handle, frames);

  1813.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1814.             }

  1815. 

  1816.             // ----------------------------------------------------------------------------------------------------

  1817.             // Mixdown for forced stereo

  1818. 

  1819.             if (customMonoOut)

  1820.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1821.             else if (customStereoOut)

  1822.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1823.         }

  1824. 

  1825.         if (customStereoOut)

  1826.         {

  1827.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1828.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1829.         }

  1830. 

  1831. #ifndef BUILD_BRIDGE

  1832.         // --------------------------------------------------------------------------------------------------------

  1833.         // Post-processing (dry/wet, volume and balance)

  1834. 

  1835.         {

  1836.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1837.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1838.             const bool isMono    = (pData->audioIn.count == 1);

  1839. 

  1840.             bool isPair;

  1841.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1842. 

  1843.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1844.             {

  1845.                 // Dry/Wet

  1846.                 if (doDryWet)

  1847.                 {

  1848.                     const uint32_t c = isMono ? 0 : i;

  1849. 

  1850.                     for (uint32_t k=0; k < frames; ++k)

  1851.                     {

  1852.                         if (k < pData->latency.frames)

  1853.                             bufValue = pData->latency.buffers[c][k];

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

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

  1856.                         else

  1857.                             bufValue = fAudioInBuffers[c][k];

  1858. 

  1859.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1860.                     }

  1861.                 }

  1862. 

  1863.                 // Balance

  1864.                 if (doBalance)

  1865.                 {

  1866.                     isPair = (i % 2 == 0);

  1867. 

  1868.                     if (isPair)

  1869.                     {

  1870.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1871.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1872.                     }

  1873. 

  1874.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1875.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1876. 

  1877.                     for (uint32_t k=0; k < frames; ++k)

  1878.                     {

  1879.                         if (isPair)

  1880.                         {

  1881.                             // left

  1882.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1883.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1884.                         }

  1885.                         else

  1886.                         {

  1887.                             // right

  1888.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1889.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1890.                         }

  1891.                     }

  1892.                 }

  1893. 

  1894.                 // Volume (and buffer copy)

  1895.                 {

  1896.                     for (uint32_t k=0; k < frames; ++k)

  1897.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1898.                 }

  1899.             }

  1900. 

  1901.         } // End of Post-processing

  1902. 

  1903.         // --------------------------------------------------------------------------------------------------------

  1904.         // Save latency values for next callback

  1905. 

  1906.         if (const uint32_t latframes = pData->latency.frames)

  1907.         {

  1908.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1909. 

  1910.             if (latframes <= frames)

  1911.             {

  1912.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1913.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1914.             }

  1915.             else

  1916.             {

  1917.                 const uint32_t diff = pData->latency.frames-frames;

  1918. 

  1919.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1920.                 {

  1921.                     // push back buffer by 'frames'

  1922.                     for (k=0; k < diff; ++k)

  1923.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1924. 

  1925.                     // put current input at the end

  1926.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1927.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1928.                 }

  1929.             }

  1930.         }

  1931. 

  1932. #else // BUILD_BRIDGE

  1933.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1934.         {

  1935.             for (uint32_t k=0; k < frames; ++k)

  1936.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1937.         }

  1938. #endif

  1939. 

  1940.         // --------------------------------------------------------------------------------------------------------

  1941. 

  1942.         pData->singleMutex.unlock();

  1943.         return true;

  1944.     }

  1945. 

  1946.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1947.     {

  1948.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1949.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1950. 

  1951.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1952.         {

  1953.             if (fAudioInBuffers[i] != nullptr)

  1954.                 delete[] fAudioInBuffers[i];

  1955. 

  1956.             fAudioInBuffers[i] = new float[newBufferSize];

  1957.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1958.         }

  1959. 

  1960.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1961.         {

  1962.             if (fAudioOutBuffers[i] != nullptr)

  1963.                 delete[] fAudioOutBuffers[i];

  1964. 

  1965.             fAudioOutBuffers[i] = new float[newBufferSize];

  1966.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  1967.         }

  1968. 

  1969.         if (fExtraStereoBuffer[0] != nullptr)

  1970.         {

  1971.             delete[] fExtraStereoBuffer[0];

  1972.             fExtraStereoBuffer[0] = nullptr;

  1973.         }

  1974. 

  1975.         if (fExtraStereoBuffer[1] != nullptr)

  1976.         {

  1977.             delete[] fExtraStereoBuffer[1];

  1978.             fExtraStereoBuffer[1] = nullptr;

  1979.         }

  1980. 

  1981.         if (fForcedStereoIn && pData->audioOut.count == 2)

  1982.         {

  1983.             fExtraStereoBuffer[0] = new float[newBufferSize];

  1984.             fExtraStereoBuffer[1] = new float[newBufferSize];

  1985.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  1986.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  1987.         }

  1988. 

  1989.         reconnectAudioPorts();

  1990. 

  1991.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  1992.     }

  1993. 

  1994.     void sampleRateChanged(const double newSampleRate) override

  1995.     {

  1996.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1997.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  1998. 

  1999.         // TODO - handle UI stuff

  2000. 

  2001.         if (pData->active)

  2002.             deactivate();

  2003. 

  2004.         const std::size_t instanceCount(fHandles.count());

  2005. 

  2006.         if (fDescriptor->cleanup == nullptr)

  2007.         {

  2008.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2009.             {

  2010.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2011.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2012. 

  2013.                 try {

  2014.                     fDescriptor->cleanup(handle);

  2015.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2016.             }

  2017.         }

  2018. 

  2019.         fHandles.clear();

  2020. 

  2021.         for (std::size_t i=0; i<instanceCount; ++i)

  2022.             addInstance();

  2023. 

  2024.         reconnectAudioPorts();

  2025. 

  2026.         if (pData->active)

  2027.             activate();

  2028. 

  2029.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2030.     }

  2031. 

  2032.     void reconnectAudioPorts() const noexcept

  2033.     {

  2034.         if (fForcedStereoIn)

  2035.         {

  2036.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2037.             {

  2038.                 try {

  2039.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2040.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2041.             }

  2042. 

  2043.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2044.             {

  2045.                 try {

  2046.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2047.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2048.             }

  2049.         }

  2050.         else

  2051.         {

  2052.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2053.             {

  2054.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2055.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2056. 

  2057.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2058.                 {

  2059.                     try {

  2060.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2061.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2062.                 }

  2063.             }

  2064.         }

  2065. 

  2066.         if (fForcedStereoOut)

  2067.         {

  2068.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2069.             {

  2070.                 try {

  2071.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2072.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2073.             }

  2074. 

  2075.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2076.             {

  2077.                 try {

  2078.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2079.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2080.             }

  2081.         }

  2082.         else

  2083.         {

  2084.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2085.             {

  2086.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2087.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2088. 

  2089.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2090.                 {

  2091.                     try {

  2092.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2093.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2094.                 }

  2095.             }

  2096.         }

  2097.     }

  2098. 

  2099.     // -------------------------------------------------------------------

  2100.     // Plugin buffers

  2101. 

  2102.     void clearBuffers() noexcept override

  2103.     {

  2104.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2105. 

  2106.         if (fAudioInBuffers != nullptr)

  2107.         {

  2108.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2109.             {

  2110.                 if (fAudioInBuffers[i] != nullptr)

  2111.                 {

  2112.                     delete[] fAudioInBuffers[i];

  2113.                     fAudioInBuffers[i] = nullptr;

  2114.                 }

  2115.             }

  2116. 

  2117.             delete[] fAudioInBuffers;

  2118.             fAudioInBuffers = nullptr;

  2119.         }

  2120. 

  2121.         if (fAudioOutBuffers != nullptr)

  2122.         {

  2123.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2124.             {

  2125.                 if (fAudioOutBuffers[i] != nullptr)

  2126.                 {

  2127.                     delete[] fAudioOutBuffers[i];

  2128.                     fAudioOutBuffers[i] = nullptr;

  2129.                 }

  2130.             }

  2131. 

  2132.             delete[] fAudioOutBuffers;

  2133.             fAudioOutBuffers = nullptr;

  2134.         }

  2135. 

  2136.         if (fExtraStereoBuffer[0] != nullptr)

  2137.         {

  2138.             delete[] fExtraStereoBuffer[0];

  2139.             fExtraStereoBuffer[0] = nullptr;

  2140.         }

  2141. 

  2142.         if (fExtraStereoBuffer[1] != nullptr)

  2143.         {

  2144.             delete[] fExtraStereoBuffer[1];

  2145.             fExtraStereoBuffer[1] = nullptr;

  2146.         }

  2147. 

  2148.         if (fParamBuffers != nullptr)

  2149.         {

  2150.             delete[] fParamBuffers;

  2151.             fParamBuffers = nullptr;

  2152.         }

  2153. 

  2154.         CarlaPlugin::clearBuffers();

  2155. 

  2156.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2157.     }

  2158. 

  2159. #ifdef HAVE_LIBLO

  2160.     // -------------------------------------------------------------------

  2161.     // OSC stuff

  2162. 

  2163.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2164.     {

  2165.         const lo_address source(lo_message_get_source(msg));

  2166.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2167. 

  2168.         // protocol for DSSI UIs *must* be UDP

  2169.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2170. 

  2171.         if (fOscData.source == nullptr)

  2172.         {

  2173.             // if no UI is registered yet only "configure" and "update" messages are valid

  2174.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2175.         }

  2176.         else

  2177.         {

  2178.             // make sure message source is the DSSI UI

  2179.             const char* const msghost = lo_address_get_hostname(source);

  2180.             const char* const msgport = lo_address_get_port(source);

  2181. 

  2182.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2183.             const char* const ourport = lo_address_get_port(fOscData.source);

  2184. 

  2185.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2186.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2187.         }

  2188. 

  2189.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2190. 

  2191.         if (std::strcmp(method, "configure") == 0)

  2192.             return handleOscMessageConfigure(argc, argv, types);

  2193.         if (std::strcmp(method, "control") == 0)

  2194.             return handleOscMessageControl(argc, argv, types);

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

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

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

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

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

  2200.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

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

  2202.             return handleOscMessageExiting();

  2203. 

  2204.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2205.     }

  2206. 

  2207.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2208.     {

  2209.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2210.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2211. 

  2212.         const char* const key   = (const char*)&argv[0]->s;

  2213.         const char* const value = (const char*)&argv[1]->s;

  2214. 

  2215.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2216.     }

  2217. 

  2218.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2219.     {

  2220.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2221.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2222. 

  2223.         const int32_t rindex = argv[0]->i;

  2224.         const float   value  = argv[1]->f;

  2225. 

  2226.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2227.     }

  2228. 

  2229.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2230.     {

  2231.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2232.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2233. 

  2234.         const int32_t bank    = argv[0]->i;

  2235.         const int32_t program = argv[1]->i;

  2236. 

  2237.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2238.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2239. 

  2240.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2241.     }

  2242. 

  2243.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2244.     {

  2245.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2246.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2247. 

  2248.         if (getMidiInCount() == 0)

  2249.         {

  2250.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2251.             return;

  2252.         }

  2253. 

  2254.         const uint8_t* const data = argv[0]->m;

  2255.         uint8_t status  = data[1];

  2256.         uint8_t channel = status & 0x0F;

  2257. 

  2258.         // Fix bad note-off

  2259.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2260.             status = MIDI_STATUS_NOTE_OFF;

  2261. 

  2262.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2263.         {

  2264.             const uint8_t note = data[2];

  2265. 

  2266.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2267. 

  2268.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2269.         }

  2270.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2271.         {

  2272.             const uint8_t note = data[2];

  2273.             const uint8_t velo = data[3];

  2274. 

  2275.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2276.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2277. 

  2278.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2279.         }

  2280.     }

  2281. 

  2282.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2283.     {

  2284.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2285.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2286. 

  2287.         const char* const url = (const char*)&argv[0]->s;

  2288. 

  2289.         // FIXME - remove debug prints later

  2290.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2291. 

  2292.         fOscData.clear();

  2293. 

  2294.         const int proto = lo_address_get_protocol(source);

  2295. 

  2296.         {

  2297.             const char* host = lo_address_get_hostname(source);

  2298.             const char* port = lo_address_get_port(source);

  2299.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2300. 

  2301.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2302.         }

  2303. 

  2304.         {

  2305.             char* host = lo_url_get_hostname(url);

  2306.             char* port = lo_url_get_port(url);

  2307.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2308.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2309.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2310. 

  2311.             std::free(host);

  2312.             std::free(port);

  2313.         }

  2314. 

  2315.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2316. 

  2317.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2318.         {

  2319.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2320.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2321. 

  2322.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2323.                 osc_send_configure(fOscData, customData.key, customData.value);

  2324.         }

  2325. 

  2326.         if (pData->prog.current >= 0)

  2327.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2328. 

  2329.         if (pData->midiprog.current >= 0)

  2330.         {

  2331.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2332.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2333.         }

  2334. 

  2335.         for (uint32_t i=0; i < pData->param.count; ++i)

  2336.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2337. 

  2338. #ifndef BUILD_BRIDGE

  2339.         if (pData->engine->getOptions().frontendWinId != 0)

  2340.             pData->transientTryCounter = 1;

  2341. #endif

  2342. 

  2343.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2344.     }

  2345. 

  2346.     void handleOscMessageExiting()

  2347.     {

  2348.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2349. 

  2350.         // hide UI

  2351.         showCustomUI(false);

  2352. 

  2353.         // tell frontend

  2354.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2355.     }

  2356. 

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

  2358.     // Post-poned UI Stuff

  2359. 

  2360.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2361.     {

  2362.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2363. 

  2364.         if (fOscData.target == nullptr)

  2365.             return;

  2366. 

  2367.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2368.     }

  2369. 

  2370.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2371.     {

  2372.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2373. 

  2374.         if (fOscData.target == nullptr)

  2375.             return;

  2376. 

  2377.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2378.     }

  2379. 

  2380.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2381.     {

  2382.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2383.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2384.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2385. 

  2386.         if (fOscData.target == nullptr)

  2387.             return;

  2388. 

  2389. #if 0

  2390.         uint8_t midiData[4];

  2391.         midiData[0] = 0;

  2392.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2393.         midiData[2] = note;

  2394.         midiData[3] = velo;

  2395. 

  2396.         osc_send_midi(fOscData, midiData);

  2397. #endif

  2398.     }

  2399. 

  2400.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2401.     {

  2402.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2403.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2404. 

  2405.         if (fOscData.target == nullptr)

  2406.             return;

  2407. 

  2408. #if 0

  2409.         uint8_t midiData[4];

  2410.         midiData[0] = 0;

  2411.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2412.         midiData[2] = note;

  2413.         midiData[3] = 0;

  2414. 

  2415.         osc_send_midi(fOscData, midiData);

  2416. #endif

  2417.     }

  2418. #endif // HAVE_LIBLO

  2419. 

  2420.     // -------------------------------------------------------------------

  2421. 

  2422.     const void* getNativeDescriptor() const noexcept override

  2423.     {

  2424.         return fDssiDescriptor;

  2425.     }

  2426. 

  2427. #ifdef HAVE_LIBLO

  2428.     uintptr_t getUiBridgeProcessId() const noexcept override

  2429.     {

  2430.         return fThreadUI.getProcessId();

  2431.     }

  2432. 

  2433.     const void* getExtraStuff() const noexcept override

  2434.     {

  2435.         return fUiFilename;

  2436.     }

  2437. #endif

  2438. 

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

  2440. 

  2441.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2442.     {

  2443.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2444. 

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

  2446.         // first checks

  2447. 

  2448.         if (pData->client != nullptr)

  2449.         {

  2450.             pData->engine->setLastError("Plugin client is already registered");

  2451.             return false;

  2452.         }

  2453. 

  2454.         if (filename == nullptr || filename[0] == '\0')

  2455.         {

  2456.             pData->engine->setLastError("null filename");

  2457.             return false;

  2458.         }

  2459. 

  2460.         // ---------------------------------------------------------------

  2461.         // open DLL

  2462. 

  2463.         if (! pData->libOpen(filename))

  2464.         {

  2465.             pData->engine->setLastError(pData->libError(filename));

  2466.             return false;

  2467.         }

  2468. 

  2469.         // ---------------------------------------------------------------

  2470.         // get DLL main entry

  2471. 

  2472.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2473. 

  2474.         if (descFn == nullptr)

  2475.         {

  2476.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2477.             return false;

  2478.         }

  2479. 

  2480.         // ---------------------------------------------------------------

  2481.         // get descriptor that matches label

  2482. 

  2483.         // if label is null, get first valid plugin

  2484.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2485. 

  2486.         for (ulong d=0;; ++d)

  2487.         {

  2488.             try {

  2489.                 fDssiDescriptor = descFn(d);

  2490.             }

  2491.             catch(...) {

  2492.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2493.                 fDescriptor     = nullptr;

  2494.                 fDssiDescriptor = nullptr;

  2495.                 break;

  2496.             }

  2497. 

  2498.             if (fDssiDescriptor == nullptr)

  2499.                 break;

  2500. 

  2501.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2502. 

  2503.             if (fDescriptor == nullptr)

  2504.             {

  2505.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2506.                 fDssiDescriptor = nullptr;

  2507.                 break;

  2508.             }

  2509.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2510.             {

  2511.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2512.                 fDescriptor     = nullptr;

  2513.                 fDssiDescriptor = nullptr;

  2514.                 break;

  2515.             }

  2516.             if (fDescriptor->run == nullptr)

  2517.             {

  2518.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2519.                 fDescriptor     = nullptr;

  2520.                 fDssiDescriptor = nullptr;

  2521.                 break;

  2522.             }

  2523. 

  2524.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2525.                 break;

  2526.         }

  2527. 

  2528.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2529.         {

  2530.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2531.             return false;

  2532.         }

  2533. 

  2534.         // ---------------------------------------------------------------

  2535.         // check if uses global instance

  2536. 

  2537.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2538.         {

  2539.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2540.             return false;

  2541.         }

  2542. 

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

  2544.         // check for fixed buffer size requirement

  2545. 

  2546.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2547. 

  2548.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2549.         {

  2550.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2551.                                         "The plugin requires a fixed block size which is not possible right now.");

  2552.             return false;

  2553.         }

  2554. 

  2555.         // ---------------------------------------------------------------

  2556.         // get info

  2557. 

  2558.         if (name == nullptr || name[0] == '\0')

  2559.         {

  2560.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2561.                 name = fDescriptor->Name;

  2562.             else

  2563.                 name = fDescriptor->Label;

  2564.         }

  2565. 

  2566.         pData->name = pData->engine->getUniquePluginName(name);

  2567.         pData->filename = carla_strdup(filename);

  2568. 

  2569.         // ---------------------------------------------------------------

  2570.         // register client

  2571. 

  2572.         pData->client = pData->engine->addClient(this);

  2573. 

  2574.         if (pData->client == nullptr || ! pData->client->isOk())

  2575.         {

  2576.             pData->engine->setLastError("Failed to register plugin client");

  2577.             return false;

  2578.         }

  2579. 

  2580.         // ---------------------------------------------------------------

  2581.         // initialize plugin

  2582. 

  2583.         if (! addInstance())

  2584.             return false;

  2585. 

  2586.         // ---------------------------------------------------------------

  2587.         // find latency port index

  2588. 

  2589.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2590.         {

  2591.             const int portType(fDescriptor->PortDescriptors[i]);

  2592. 

  2593.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2594.                 continue;

  2595. 

  2596.             const uint32_t index(iCtrl++);

  2597. 

  2598.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2599.                 continue;

  2600. 

  2601.             const char* const portName(fDescriptor->PortNames[i]);

  2602.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2603. 

  2604.             if (std::strcmp(portName, "latency")  == 0 ||

  2605.                 std::strcmp(portName, "_latency") == 0)

  2606.             {

  2607.                 fLatencyIndex = static_cast<int32_t>(index);

  2608.                 break;

  2609.             }

  2610.         }

  2611. 

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

  2613.         // check for custom data extension

  2614. 

  2615.         if (fDssiDescriptor->configure != nullptr)

  2616.         {

  2617.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2618.             {

  2619.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2620.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2621.                     fUsesCustomData = true;

  2622. 

  2623.                 std::free(error);

  2624.             }

  2625.         }

  2626. 

  2627. #ifdef HAVE_LIBLO

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

  2629.         // check for gui

  2630. 

  2631.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2632.         {

  2633.             fUiFilename = guiFilename;

  2634.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2635.         }

  2636. #endif

  2637. 

  2638.         // ---------------------------------------------------------------

  2639.         // set default options

  2640. 

  2641.         pData->options = 0x0;

  2642. 

  2643.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2644.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2645.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2646.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2647. 

  2648.         /**/ if (pData->engine->getOptions().forceStereo)

  2649.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2650.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2651.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2652. 

  2653.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2654.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2655. 

  2656.         if (fUsesCustomData)

  2657.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2658. 

  2659.         if (fDssiDescriptor->run_synth != nullptr)

  2660.         {

  2661.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2662.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2663.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2664.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2665. 

  2666.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2667.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2668.         }

  2669. 

  2670.         return true;

  2671.     }

  2672. 

  2673.     // -------------------------------------------------------------------

  2674. 

  2675. private:

  2676.     LinkedList<LADSPA_Handle> fHandles;

  2677.     const LADSPA_Descriptor*  fDescriptor;

  2678.     const DSSI_Descriptor*    fDssiDescriptor;

  2679. 

  2680.     float** fAudioInBuffers;

  2681.     float** fAudioOutBuffers;

  2682.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2683.     float*  fParamBuffers;

  2684. 

  2685.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2686. 

  2687.     int32_t fLatencyIndex; // -1 if invalid

  2688.     bool    fForcedStereoIn;

  2689.     bool    fForcedStereoOut;

  2690.     bool    fNeedsFixedBuffers;

  2691.     bool    fUsesCustomData;

  2692. 

  2693. #ifdef HAVE_LIBLO

  2694.     CarlaOscData      fOscData;

  2695.     CarlaThreadDSSIUI fThreadUI;

  2696.     const char*       fUiFilename;

  2697. #endif

  2698. 

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

  2700. 

  2701.     bool addInstance()

  2702.     {

  2703.         LADSPA_Handle handle;

  2704. 

  2705.         try {

  2706.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2707.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2708. 

  2709.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2710.         {

  2711.             const int32_t rindex(pData->param.data[i].rindex);

  2712.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2713. 

  2714.             try {

  2715.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2716.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2717.         }

  2718. 

  2719.         if (fHandles.append(handle))

  2720.             return true;

  2721. 

  2722.         try {

  2723.             fDescriptor->cleanup(handle);

  2724.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2725. 

  2726.         pData->engine->setLastError("Out of memory");

  2727.         return false;

  2728.     }

  2729. 

  2730.     uint32_t getSafePortCount() const noexcept

  2731.     {

  2732.         if (fDescriptor->PortCount == 0)

  2733.             return 0;

  2734. 

  2735.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2736.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2737.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2738. 

  2739.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2740.     }

  2741. 

  2742.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2743.     {

  2744.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2745.             return true;

  2746.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2747.             return true;

  2748.         return false;

  2749.     }

  2750. 

  2751.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2752.                                                      const bool wantName, const bool useBracket) noexcept

  2753.     {

  2754.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2755. 

  2756.         if (sepBracketStart == nullptr)

  2757.             return false;

  2758. 

  2759.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2760. 

  2761.         if (sepBracketEnd == nullptr)

  2762.             return false;

  2763. 

  2764.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2765. 

  2766.         if (unitSize > 7) // very unlikely to have such big unit

  2767.             return false;

  2768. 

  2769.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2770. 

  2771.         // just in case

  2772.         if (sepIndex+2 >= STR_MAX)

  2773.             return false;

  2774. 

  2775.         if (wantName)

  2776.         {

  2777.             std::strncpy(strBuf, paramName, sepIndex);

  2778.             strBuf[sepIndex] = '\0';

  2779.         }

  2780.         else

  2781.         {

  2782.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2783.             strBuf[unitSize] = '\0';

  2784.         }

  2785. 

  2786.         return true;

  2787.     }

  2788. 

  2789.     // -------------------------------------------------------------------

  2790. 

  2791.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2792. };

  2793. 

  2794. // -------------------------------------------------------------------------------------------------------------------

  2795. 

  2796. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2797. {

  2798.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2799.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2800. 

  2801.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2802. 

  2803.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2804.     {

  2805.         delete plugin;

  2806.         return nullptr;

  2807.     }

  2808. 

  2809.     return plugin;

  2810. }

  2811. 

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

  2813. 

  2814. CARLA_BACKEND_END_NAMESPACE