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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) 2011-2017 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 setParameterValueRT(const uint32_t parameterId, const float value) noexcept override

  559.     {

  560.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  562. 

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

  564.         fParamBuffers[parameterId] = fixedValue;

  565. 

  566.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue);

  567.     }

  568. 

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

  570.     {

  571.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  574.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  576. 

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

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

  579. 

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

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

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

  583. 

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

  585.         {

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

  587.             {

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

  589.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  590. 

  591.                 try {

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

  593.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  594.             }

  595.         }

  596. 

  597. #ifdef HAVE_LIBLO

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

  599.             osc_send_configure(fOscData, key, value);

  600. #endif

  601. 

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

  603.         {

  604.             const ScopedSingleProcessLocker spl(this, true);

  605.             reloadPrograms(false);

  606.         }

  607. 

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

  609.     }

  610. 

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

  612.     {

  613.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  615.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  617.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  618.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  619. 

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

  621.         {

  622.             const ScopedSingleProcessLocker spl(this, true);

  623. 

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

  625.             {

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

  627.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  628. 

  629.                 try {

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

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

  632.             }

  633.         }

  634. 

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

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

  637. #else

  638.         const bool sendOsc(false);

  639. #endif

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

  641.     }

  642. 

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

  644.     {

  645.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  648. 

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

  650.         {

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

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

  653. 

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

  655. 

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

  657.             {

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

  659.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  660. 

  661.                 try {

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

  663.                 } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  664.             }

  665.         }

  666. 

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

  668.     }

  669. 

  670. #ifdef HAVE_LIBLO

  671.     // -------------------------------------------------------------------

  672.     // Set ui stuff

  673. 

  674.     void showCustomUI(const bool yesNo) override

  675.     {

  676.         if (yesNo)

  677.         {

  678.             fOscData.clear();

  679.             fThreadUI.startThread();

  680.         }

  681.         else

  682.         {

  683.             pData->transientTryCounter = 0;

  684. 

  685.             if (fOscData.target != nullptr)

  686.             {

  687.                 osc_send_hide(fOscData);

  688.                 osc_send_quit(fOscData);

  689.                 fOscData.clear();

  690.             }

  691. 

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

  693.         }

  694.     }

  695. #endif

  696. 

  697.     // -------------------------------------------------------------------

  698.     // Plugin state

  699. 

  700.     void reload() override

  701.     {

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

  703.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  704.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  707. 

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

  709. 

  710.         // Safely disable plugin for reload

  711.         const ScopedDisabler sd(this);

  712. 

  713.         if (pData->active)

  714.             deactivate();

  715. 

  716.         clearBuffers();

  717. 

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

  719.         const uint32_t portCount(getSafePortCount());

  720. 

  721.         uint32_t aIns, aOuts, mIns, params;

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

  723. 

  724.         bool forcedStereoIn, forcedStereoOut;

  725.         forcedStereoIn = forcedStereoOut = false;

  726. 

  727.         bool needsCtrlIn, needsCtrlOut;

  728.         needsCtrlIn = needsCtrlOut = false;

  729. 

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

  731.         {

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

  733. 

  734.             if (LADSPA_IS_PORT_AUDIO(portType))

  735.             {

  736.                 if (LADSPA_IS_PORT_INPUT(portType))

  737.                     aIns += 1;

  738.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  739.                     aOuts += 1;

  740.             }

  741.             else if (LADSPA_IS_PORT_CONTROL(portType))

  742.                 params += 1;

  743.         }

  744. 

  745.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  746.         {

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

  748.             {

  749.                 if (aIns == 1)

  750.                 {

  751.                     aIns = 2;

  752.                     forcedStereoIn = true;

  753.                 }

  754.                 if (aOuts == 1)

  755.                 {

  756.                     aOuts = 2;

  757.                     forcedStereoOut = true;

  758.                 }

  759.             }

  760.         }

  761. 

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

  763.         {

  764.             mIns = 1;

  765.             needsCtrlIn = true;

  766.         }

  767. 

  768.         if (aIns > 0)

  769.         {

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

  771.             fAudioInBuffers = new float*[aIns];

  772. 

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

  774.                 fAudioInBuffers[i] = nullptr;

  775.         }

  776. 

  777.         if (aOuts > 0)

  778.         {

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

  780.             fAudioOutBuffers = new float*[aOuts];

  781.             needsCtrlIn = true;

  782. 

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

  784.                 fAudioOutBuffers[i] = nullptr;

  785.         }

  786. 

  787.         if (params > 0)

  788.         {

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

  790. 

  791.             fParamBuffers = new float[params];

  792.             carla_zeroFloats(fParamBuffers, params);

  793.         }

  794. 

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

  796.         CarlaString portName;

  797. 

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

  799.         {

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

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

  802. 

  803.             if (LADSPA_IS_PORT_AUDIO(portType))

  804.             {

  805.                 portName.clear();

  806. 

  807.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  808.                 {

  809.                     portName  = pData->name;

  810.                     portName += ":";

  811.                 }

  812. 

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

  814.                 {

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

  816.                 }

  817.                 else

  818.                 {

  819.                     if (LADSPA_IS_PORT_INPUT(portType))

  820.                     {

  821.                         if (aIns > 1)

  822.                         {

  823.                             portName += "audio-in_";

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

  825.                         }

  826.                         else

  827.                             portName += "audio-in";

  828.                     }

  829.                     else

  830.                     {

  831.                         if (aOuts > 1)

  832.                         {

  833.                             portName += "audio-out_";

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

  835.                         }

  836.                         else

  837.                             portName += "audio-out";

  838.                     }

  839.                 }

  840. 

  841.                 portName.truncate(portNameSize);

  842. 

  843.                 if (LADSPA_IS_PORT_INPUT(portType))

  844.                 {

  845.                     const uint32_t j = iAudioIn++;

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

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

  848. 

  849.                     if (forcedStereoIn)

  850.                     {

  851.                         portName += "_2";

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

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

  854.                     }

  855.                 }

  856.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  857.                 {

  858.                     const uint32_t j = iAudioOut++;

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

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

  861. 

  862.                     if (forcedStereoOut)

  863.                     {

  864.                         portName += "_2";

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

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

  867.                     }

  868.                 }

  869.                 else

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

  871.             }

  872.             else if (LADSPA_IS_PORT_CONTROL(portType))

  873.             {

  874.                 const uint32_t j = iCtrl++;

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

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

  877. 

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

  879. 

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

  881. 

  882.                 // min value

  883.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  884.                     min = portRangeHints.LowerBound;

  885.                 else

  886.                     min = 0.0f;

  887. 

  888.                 // max value

  889.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  890.                     max = portRangeHints.UpperBound;

  891.                 else

  892.                     max = 1.0f;

  893. 

  894.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  895.                 {

  896.                     min *= sampleRate;

  897.                     max *= sampleRate;

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

  899.                 }

  900. 

  901.                 if (min >= max)

  902.                 {

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

  904.                     max = min + 0.1f;

  905.                 }

  906. 

  907.                 // default value

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

  909. 

  910.                 if (def < min)

  911.                     def = min;

  912.                 else if (def > max)

  913.                     def = max;

  914. 

  915.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  916.                 {

  917.                     step = max - min;

  918.                     stepSmall = step;

  919.                     stepLarge = step;

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

  921.                 }

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

  923.                 {

  924.                     step = 1.0f;

  925.                     stepSmall = 1.0f;

  926.                     stepLarge = 10.0f;

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

  928.                 }

  929.                 else

  930.                 {

  931.                     const float range = max - min;

  932.                     step = range/100.0f;

  933.                     stepSmall = range/1000.0f;

  934.                     stepLarge = range/10.0f;

  935.                 }

  936. 

  937.                 if (LADSPA_IS_PORT_INPUT(portType))

  938.                 {

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

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

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

  942.                     needsCtrlIn = true;

  943. 

  944.                     // MIDI CC value

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

  946.                     {

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

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

  949.                         {

  950.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  951.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  953.                         }

  954.                     }

  955.                 }

  956.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  957.                 {

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

  959. 

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

  961.                     {

  962.                         min = 0.0f;

  963.                         max = sampleRate;

  964.                         def = 0.0f;

  965.                         step = 1.0f;

  966.                         stepSmall = 1.0f;

  967.                         stepLarge = 1.0f;

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

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

  970.                     }

  971.                     else

  972.                     {

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

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

  975.                         needsCtrlOut = true;

  976.                     }

  977.                 }

  978.                 else

  979.                 {

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

  981.                 }

  982. 

  983.                 // extra parameter hints

  984.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  986. 

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

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

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

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

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

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

  993. 

  994.                 // Start parameters in their default values

  995.                 fParamBuffers[j] = def;

  996. 

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

  998.                 {

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

  1000.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1001. 

  1002.                     try {

  1003.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1004.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1005.                 }

  1006.             }

  1007.             else

  1008.             {

  1009.                 // Not Audio or Control

  1010.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1011. 

  1012.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1013.                 {

  1014.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1015.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1016. 

  1017.                     try {

  1018.                         fDescriptor->connect_port(handle, i, nullptr);

  1019.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1020.                 }

  1021.             }

  1022.         }

  1023. 

  1024.         if (needsCtrlIn)

  1025.         {

  1026.             portName.clear();

  1027. 

  1028.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1029.             {

  1030.                 portName  = pData->name;

  1031.                 portName += ":";

  1032.             }

  1033. 

  1034.             portName += "events-in";

  1035.             portName.truncate(portNameSize);

  1036. 

  1037.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1038.         }

  1039. 

  1040.         if (needsCtrlOut)

  1041.         {

  1042.             portName.clear();

  1043. 

  1044.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1045.             {

  1046.                 portName  = pData->name;

  1047.                 portName += ":";

  1048.             }

  1049. 

  1050.             portName += "events-out";

  1051.             portName.truncate(portNameSize);

  1052. 

  1053.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1054.         }

  1055. 

  1056.         if (forcedStereoIn || forcedStereoOut)

  1057.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1058.         else

  1059.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1060. 

  1061.         // plugin hints

  1062.         pData->hints = 0x0;

  1063. 

  1064.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1065.             pData->hints |= PLUGIN_IS_RTSAFE;

  1066. 

  1067. #ifdef HAVE_LIBLO

  1068.         if (fUiFilename != nullptr)

  1069.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1070. #endif

  1071. 

  1072. #ifndef BUILD_BRIDGE

  1073.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1074.             pData->hints |= PLUGIN_CAN_DRYWET;

  1075. 

  1076.         if (aOuts > 0)

  1077.             pData->hints |= PLUGIN_CAN_VOLUME;

  1078. 

  1079.         if (aOuts >= 2 && aOuts % 2 == 0)

  1080.             pData->hints |= PLUGIN_CAN_BALANCE;

  1081. #endif

  1082. 

  1083.         // extra plugin hints

  1084.         pData->extraHints  = 0x0;

  1085.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1086. 

  1087.         if (mIns > 0)

  1088.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1089. 

  1090.         // check initial latency

  1091.         findInitialLatencyValue(aIns, aOuts);

  1092. 

  1093.         fForcedStereoIn  = forcedStereoIn;

  1094.         fForcedStereoOut = forcedStereoOut;

  1095. 

  1096.         bufferSizeChanged(pData->engine->getBufferSize());

  1097.         reloadPrograms(true);

  1098. 

  1099.         if (pData->active)

  1100.             activate();

  1101. 

  1102.         carla_debug("CarlaPluginDSSI::reload() - end");

  1103.     }

  1104. 

  1105.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1106.     {

  1107.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1108.             return;

  1109. 

  1110.         // we need to pre-run the plugin so it can update its latency control-port

  1111.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1112.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1113. 

  1114.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1115.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1116. 

  1117.         for (uint32_t j=0; j < aIns; ++j)

  1118.         {

  1119.             tmpIn[j][0] = 0.0f;

  1120.             tmpIn[j][1] = 0.0f;

  1121. 

  1122.             try {

  1123.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1124.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1125.         }

  1126. 

  1127.         for (uint32_t j=0; j < aOuts; ++j)

  1128.         {

  1129.             tmpOut[j][0] = 0.0f;

  1130.             tmpOut[j][1] = 0.0f;

  1131. 

  1132.             try {

  1133.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1134.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1135.         }

  1136. 

  1137.         if (fDescriptor->activate != nullptr)

  1138.         {

  1139.             try {

  1140.                 fDescriptor->activate(handle);

  1141.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1142.         }

  1143. 

  1144.         try {

  1145.             fDescriptor->run(handle, 2);

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

  1147. 

  1148.         if (fDescriptor->deactivate != nullptr)

  1149.         {

  1150.             try {

  1151.                 fDescriptor->deactivate(handle);

  1152.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1153.         }

  1154. 

  1155.         // done, let's get the value

  1156.         if (const uint32_t latency = getLatencyInFrames())

  1157.         {

  1158.             pData->client->setLatency(latency);

  1159. #ifndef BUILD_BRIDGE

  1160.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1161. #endif

  1162.         }

  1163.     }

  1164. 

  1165.     void reloadPrograms(const bool doInit) override

  1166.     {

  1167.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1168. 

  1169.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1170.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1171. 

  1172.         const uint32_t oldCount = pData->midiprog.count;

  1173.         const int32_t  current  = pData->midiprog.current;

  1174. 

  1175.         // Delete old programs

  1176.         pData->midiprog.clear();

  1177. 

  1178.         // Query new programs

  1179.         uint32_t newCount = 0;

  1180.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1181.         {

  1182.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1183.                 ++newCount;

  1184.         }

  1185. 

  1186.         if (newCount > 0)

  1187.         {

  1188.             pData->midiprog.createNew(newCount);

  1189. 

  1190.             // Update data

  1191.             for (uint32_t i=0; i < newCount; ++i)

  1192.             {

  1193.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1194.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1195.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1196. 

  1197.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1198.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1199.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1200.             }

  1201.         }

  1202. 

  1203. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1204.         // Update OSC Names

  1205.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1206.         {

  1207.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1208. 

  1209.             for (uint32_t i=0; i < newCount; ++i)

  1210.                 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);

  1211.         }

  1212. #endif

  1213. 

  1214.         if (doInit)

  1215.         {

  1216.             if (newCount > 0)

  1217.                 setMidiProgram(0, false, false, false);

  1218.         }

  1219.         else

  1220.         {

  1221.             // Check if current program is invalid

  1222.             bool programChanged = false;

  1223. 

  1224.             if (newCount == oldCount+1)

  1225.             {

  1226.                 // one midi program added, probably created by user

  1227.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1228.                 programChanged = true;

  1229.             }

  1230.             else if (current < 0 && newCount > 0)

  1231.             {

  1232.                 // programs exist now, but not before

  1233.                 pData->midiprog.current = 0;

  1234.                 programChanged = true;

  1235.             }

  1236.             else if (current >= 0 && newCount == 0)

  1237.             {

  1238.                 // programs existed before, but not anymore

  1239.                 pData->midiprog.current = -1;

  1240.                 programChanged = true;

  1241.             }

  1242.             else if (current >= static_cast<int32_t>(newCount))

  1243.             {

  1244.                 // current midi program > count

  1245.                 pData->midiprog.current = 0;

  1246.                 programChanged = true;

  1247.             }

  1248.             else

  1249.             {

  1250.                 // no change

  1251.                 pData->midiprog.current = current;

  1252.             }

  1253. 

  1254.             if (programChanged)

  1255.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1256. 

  1257.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1258.         }

  1259.     }

  1260. 

  1261.     // -------------------------------------------------------------------

  1262.     // Plugin processing

  1263. 

  1264.     void activate() noexcept override

  1265.     {

  1266.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1267. 

  1268.         if (fDescriptor->activate != nullptr)

  1269.         {

  1270.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1271.             {

  1272.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1273.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1274. 

  1275.                 try {

  1276.                     fDescriptor->activate(handle);

  1277.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1278.             }

  1279.         }

  1280.     }

  1281. 

  1282.     void deactivate() noexcept override

  1283.     {

  1284.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1285. 

  1286.         if (fDescriptor->deactivate != nullptr)

  1287.         {

  1288.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1289.             {

  1290.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1291.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1292. 

  1293.                 try {

  1294.                     fDescriptor->deactivate(handle);

  1295.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1296.             }

  1297.         }

  1298.     }

  1299. 

  1300.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1301.     {

  1302.         // --------------------------------------------------------------------------------------------------------

  1303.         // Check if active

  1304. 

  1305.         if (! pData->active)

  1306.         {

  1307.             // disable any output sound

  1308.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1309.                 carla_zeroFloats(audioOut[i], frames);

  1310.             return;

  1311.         }

  1312. 

  1313.         ulong midiEventCount = 0;

  1314.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1315. 

  1316.         // --------------------------------------------------------------------------------------------------------

  1317.         // Check if needs reset

  1318. 

  1319.         if (pData->needsReset)

  1320.         {

  1321.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1322.             {

  1323.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1324. 

  1325.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1326.                 {

  1327.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1328.                     fMidiEvents[i].data.control.channel = i;

  1329.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1330. 

  1331.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1332.                     fMidiEvents[k+i].data.control.channel = i;

  1333.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1334.                 }

  1335.             }

  1336.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1337.             {

  1338.                 midiEventCount = MAX_MIDI_NOTE;

  1339. 

  1340.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1341.                 {

  1342.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1343.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1344.                     fMidiEvents[i].data.note.note    = i;

  1345.                 }

  1346.             }

  1347. 

  1348.             pData->needsReset = false;

  1349.         }

  1350. 

  1351.         // --------------------------------------------------------------------------------------------------------

  1352.         // Event Input and Processing

  1353. 

  1354.         if (pData->event.portIn != nullptr)

  1355.         {

  1356.             // ----------------------------------------------------------------------------------------------------

  1357.             // MIDI Input (External)

  1358. 

  1359.             if (pData->extNotes.mutex.tryLock())

  1360.             {

  1361.                 ExternalMidiNote note = { 0, 0, 0 };

  1362. 

  1363.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1364.                 {

  1365.                     note = pData->extNotes.data.getFirst(note, true);

  1366.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1367. 

  1368.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1369. 

  1370.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1371.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1372.                     seqEvent.data.note.note     = note.note;

  1373.                     seqEvent.data.note.velocity = note.velo;

  1374.                 }

  1375. 

  1376.                 pData->extNotes.mutex.unlock();

  1377. 

  1378.             } // End of MIDI Input (External)

  1379. 

  1380.             // ----------------------------------------------------------------------------------------------------

  1381.             // Event Input (System)

  1382. 

  1383. #ifndef BUILD_BRIDGE

  1384.             bool allNotesOffSent = false;

  1385. #endif

  1386.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1387. 

  1388.             uint32_t startTime  = 0;

  1389.             uint32_t timeOffset = 0;

  1390.             uint32_t nextBankId;

  1391. 

  1392.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1393.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1394.             else

  1395.                 nextBankId = 0;

  1396. 

  1397.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1398.             {

  1399.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1400. 

  1401.                 if (event.time >= frames)

  1402.                     continue;

  1403. 

  1404.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1405. 

  1406.                 if (isSampleAccurate && event.time > timeOffset)

  1407.                 {

  1408.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1409.                     {

  1410.                         startTime  = 0;

  1411.                         timeOffset = event.time;

  1412.                         midiEventCount = 0;

  1413. 

  1414.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1415.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1416.                         else

  1417.                             nextBankId = 0;

  1418.                     }

  1419.                     else

  1420.                         startTime += timeOffset;

  1421.                 }

  1422. 

  1423.                 switch (event.type)

  1424.                 {

  1425.                 case kEngineEventTypeNull:

  1426.                     break;

  1427. 

  1428.                 case kEngineEventTypeControl: {

  1429.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1430. 

  1431.                     switch (ctrlEvent.type)

  1432.                     {

  1433.                     case kEngineControlEventTypeNull:

  1434.                         break;

  1435. 

  1436.                     case kEngineControlEventTypeParameter: {

  1437. #ifndef BUILD_BRIDGE

  1438.                         // Control backend stuff

  1439.                         if (event.channel == pData->ctrlChannel)

  1440.                         {

  1441.                             float value;

  1442. 

  1443.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1444.                             {

  1445.                                 value = ctrlEvent.value;

  1446.                                 setDryWetRT(value);

  1447.                             }

  1448. 

  1449.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1450.                             {

  1451.                                 value = ctrlEvent.value*127.0f/100.0f;

  1452.                                 setVolumeRT(value);

  1453.                             }

  1454. 

  1455.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1456.                             {

  1457.                                 float left, right;

  1458.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1459. 

  1460.                                 if (value < 0.0f)

  1461.                                 {

  1462.                                     left  = -1.0f;

  1463.                                     right = (value*2.0f)+1.0f;

  1464.                                 }

  1465.                                 else if (value > 0.0f)

  1466.                                 {

  1467.                                     left  = (value*2.0f)-1.0f;

  1468.                                     right = 1.0f;

  1469.                                 }

  1470.                                 else

  1471.                                 {

  1472.                                     left  = -1.0f;

  1473.                                     right = 1.0f;

  1474.                                 }

  1475. 

  1476.                                 setBalanceLeftRT(left);

  1477.                                 setBalanceRightRT(right);

  1478.                             }

  1479.                         }

  1480. #endif

  1481.                         // Control plugin parameters

  1482.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1483.                         {

  1484.                             if (pData->param.data[k].midiChannel != event.channel)

  1485.                                 continue;

  1486.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1487.                                 continue;

  1488.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1489.                                 continue;

  1490.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1491.                                 continue;

  1492. 

  1493.                             float value;

  1494. 

  1495.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1496.                             {

  1497.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1498.                             }

  1499.                             else

  1500.                             {

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

  1502.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1503.                                 else

  1504.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1505. 

  1506.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1507.                                     value = std::rint(value);

  1508.                             }

  1509. 

  1510.                             setParameterValueRT(k, value);

  1511.                         }

  1512. 

  1513.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1514.                         {

  1515.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1516.                                 continue;

  1517. 

  1518.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1519. 

  1520.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1521. 

  1522.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1523.                             seqEvent.data.control.channel = event.channel;

  1524.                             seqEvent.data.control.param   = ctrlEvent.param;

  1525.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1526.                         }

  1527. 

  1528.                         break;

  1529.                     } // case kEngineControlEventTypeParameter

  1530. 

  1531.                     case kEngineControlEventTypeMidiBank:

  1532.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1533.                             nextBankId = ctrlEvent.param;

  1534.                         break;

  1535. 

  1536.                     case kEngineControlEventTypeMidiProgram:

  1537.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1538.                         {

  1539.                             const uint32_t nextProgramId = ctrlEvent.param;

  1540. 

  1541.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1542.                             {

  1543.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1544.                                 {

  1545.                                     const int32_t index(static_cast<int32_t>(k));

  1546.                                     setMidiProgram(index, false, false, false);

  1547.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1548.                                     break;

  1549.                                 }

  1550.                             }

  1551.                         }

  1552.                         break;

  1553. 

  1554.                     case kEngineControlEventTypeAllSoundOff:

  1555.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1556.                         {

  1557.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1558.                                 continue;

  1559. 

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

  1561. 

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

  1563. 

  1564.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1567.                         }

  1568.                         break;

  1569. 

  1570.                     case kEngineControlEventTypeAllNotesOff:

  1571.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1572.                         {

  1573. #ifndef BUILD_BRIDGE

  1574.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1575.                             {

  1576.                                 allNotesOffSent = true;

  1577.                                 sendMidiAllNotesOffToCallback();

  1578.                             }

  1579. #endif

  1580. 

  1581.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1582.                                 continue;

  1583. 

  1584.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1585. 

  1586.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1587. 

  1588.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1589.                             seqEvent.data.control.channel = event.channel;

  1590.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1591.                         }

  1592.                         break;

  1593.                     } // switch (ctrlEvent.type)

  1594.                     break;

  1595.                 } // case kEngineEventTypeControl

  1596. 

  1597.                 case kEngineEventTypeMidi: {

  1598.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1599.                         continue;

  1600. 

  1601.                     const EngineMidiEvent& midiEvent(event.midi);

  1602. 

  1603.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1604.                         continue;

  1605. 

  1606.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1607. 

  1608.                     // Fix bad note-off (per DSSI spec)

  1609.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1610.                         status = MIDI_STATUS_NOTE_OFF;

  1611. 

  1612.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1613. 

  1614.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1615. 

  1616.                     switch (status)

  1617.                     {

  1618.                     case MIDI_STATUS_NOTE_OFF: {

  1619.                         const uint8_t note = midiEvent.data[1];

  1620. 

  1621.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1622.                         seqEvent.data.note.channel = event.channel;

  1623.                         seqEvent.data.note.note    = note;

  1624. 

  1625.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1626.                         break;

  1627.                     }

  1628. 

  1629.                     case MIDI_STATUS_NOTE_ON: {

  1630.                         const uint8_t note = midiEvent.data[1];

  1631.                         const uint8_t velo = midiEvent.data[2];

  1632. 

  1633.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1634.                         seqEvent.data.note.channel  = event.channel;

  1635.                         seqEvent.data.note.note     = note;

  1636.                         seqEvent.data.note.velocity = velo;

  1637. 

  1638.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1639.                         break;

  1640.                     }

  1641. 

  1642.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1643.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1644.                         {

  1645.                             const uint8_t note     = midiEvent.data[1];

  1646.                             const uint8_t pressure = midiEvent.data[2];

  1647. 

  1648.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1649.                             seqEvent.data.note.channel  = event.channel;

  1650.                             seqEvent.data.note.note     = note;

  1651.                             seqEvent.data.note.velocity = pressure;

  1652.                         }

  1653.                         break;

  1654. 

  1655.                     case MIDI_STATUS_CONTROL_CHANGE:

  1656.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1657.                         {

  1658.                             const uint8_t control = midiEvent.data[1];

  1659.                             const uint8_t value   = midiEvent.data[2];

  1660. 

  1661.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1662.                             seqEvent.data.control.channel = event.channel;

  1663.                             seqEvent.data.control.param   = control;

  1664.                             seqEvent.data.control.value   = value;

  1665.                         }

  1666.                         break;

  1667. 

  1668.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1669.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1670.                         {

  1671.                             const uint8_t pressure = midiEvent.data[1];

  1672. 

  1673.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1674.                             seqEvent.data.control.channel = event.channel;

  1675.                             seqEvent.data.control.value   = pressure;

  1676.                         }

  1677.                         break;

  1678. 

  1679.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1680.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1681.                         {

  1682.                             const uint8_t lsb = midiEvent.data[1];

  1683.                             const uint8_t msb = midiEvent.data[2];

  1684. 

  1685.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1686.                             seqEvent.data.control.channel = event.channel;

  1687.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1688.                         }

  1689.                         break;

  1690. 

  1691.                     default:

  1692.                         --midiEventCount;

  1693.                         break;

  1694.                     } // switch (status)

  1695.                 } break;

  1696.                 } // switch (event.type)

  1697.             }

  1698. 

  1699.             pData->postRtEvents.trySplice();

  1700. 

  1701.             if (frames > timeOffset)

  1702.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1703. 

  1704.         } // End of Event Input and Processing

  1705. 

  1706.         // --------------------------------------------------------------------------------------------------------

  1707.         // Plugin processing (no events)

  1708. 

  1709.         else

  1710.         {

  1711.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1712. 

  1713.         } // End of Plugin processing (no events)

  1714. 

  1715.         // --------------------------------------------------------------------------------------------------------

  1716.         // Control Output

  1717. 

  1718.         if (pData->event.portOut != nullptr)

  1719.         {

  1720.             uint8_t  channel;

  1721.             uint16_t param;

  1722.             float    value;

  1723. 

  1724.             for (uint32_t k=0; k < pData->param.count; ++k)

  1725.             {

  1726.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1727.                     continue;

  1728. 

  1729.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1730. 

  1731.                 if (pData->param.data[k].midiCC > 0)

  1732.                 {

  1733.                     channel = pData->param.data[k].midiChannel;

  1734.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1735.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1736.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1737.                 }

  1738.             }

  1739.         } // End of Control Output

  1740.     }

  1741. 

  1742.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1743.                        const uint32_t timeOffset, const ulong midiEventCount)

  1744.     {

  1745.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1746. 

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

  1748.         {

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

  1750.         }

  1751.         if (pData->audioOut.count > 0)

  1752.         {

  1753.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1754.         }

  1755. 

  1756.         // --------------------------------------------------------------------------------------------------------

  1757.         // Try lock, silence otherwise

  1758. 

  1759.         if (pData->engine->isOffline())

  1760.         {

  1761.             pData->singleMutex.lock();

  1762.         }

  1763.         else if (! pData->singleMutex.tryLock())

  1764.         {

  1765.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1766.             {

  1767.                 for (uint32_t k=0; k < frames; ++k)

  1768.                     audioOut[i][k+timeOffset] = 0.0f;

  1769.             }

  1770. 

  1771.             return false;

  1772.         }

  1773. 

  1774.         // --------------------------------------------------------------------------------------------------------

  1775.         // Set audio buffers

  1776. 

  1777.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1778.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1779. 

  1780.         if (! customMonoOut)

  1781.         {

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

  1783.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1784.         }

  1785. 

  1786.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1787.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1788. 

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

  1790.         // Run plugin

  1791. 

  1792.         uint instn = 0;

  1793.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1794.         {

  1795.             LADSPA_Handle const handle(it.getValue(nullptr));

  1796.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1797. 

  1798.             // ----------------------------------------------------------------------------------------------------

  1799.             // Mixdown for forced stereo

  1800. 

  1801.             if (customMonoOut)

  1802.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1803. 

  1804.             // ----------------------------------------------------------------------------------------------------

  1805.             // Run it

  1806. 

  1807.             if (fDssiDescriptor->run_synth != nullptr)

  1808.             {

  1809.                 try {

  1810.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1811.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1812.             }

  1813.             else

  1814.             {

  1815.                 try {

  1816.                     fDescriptor->run(handle, frames);

  1817.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1818.             }

  1819. 

  1820.             // ----------------------------------------------------------------------------------------------------

  1821.             // Mixdown for forced stereo

  1822. 

  1823.             if (customMonoOut)

  1824.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1825.             else if (customStereoOut)

  1826.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1827.         }

  1828. 

  1829.         if (customStereoOut)

  1830.         {

  1831.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1832.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1833.         }

  1834. 

  1835. #ifndef BUILD_BRIDGE

  1836.         // --------------------------------------------------------------------------------------------------------

  1837.         // Post-processing (dry/wet, volume and balance)

  1838. 

  1839.         {

  1840.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1841.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1842.             const bool isMono    = (pData->audioIn.count == 1);

  1843. 

  1844.             bool isPair;

  1845.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1846. 

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

  1848.             {

  1849.                 // Dry/Wet

  1850.                 if (doDryWet)

  1851.                 {

  1852.                     const uint32_t c = isMono ? 0 : i;

  1853. 

  1854.                     for (uint32_t k=0; k < frames; ++k)

  1855.                     {

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

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

  1858.                         else if (pData->latency.frames < frames)

  1859.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1860.                         else

  1861.                             bufValue = fAudioInBuffers[c][k];

  1862. 

  1863.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1864.                     }

  1865.                 }

  1866. 

  1867.                 // Balance

  1868.                 if (doBalance)

  1869.                 {

  1870.                     isPair = (i % 2 == 0);

  1871. 

  1872.                     if (isPair)

  1873.                     {

  1874.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1875.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1876.                     }

  1877. 

  1878.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1879.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1880. 

  1881.                     for (uint32_t k=0; k < frames; ++k)

  1882.                     {

  1883.                         if (isPair)

  1884.                         {

  1885.                             // left

  1886.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1887.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1888.                         }

  1889.                         else

  1890.                         {

  1891.                             // right

  1892.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1893.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1894.                         }

  1895.                     }

  1896.                 }

  1897. 

  1898.                 // Volume (and buffer copy)

  1899.                 {

  1900.                     for (uint32_t k=0; k < frames; ++k)

  1901.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1902.                 }

  1903.             }

  1904. 

  1905.         } // End of Post-processing

  1906. 

  1907.         // --------------------------------------------------------------------------------------------------------

  1908.         // Save latency values for next callback

  1909. 

  1910.         if (const uint32_t latframes = pData->latency.frames)

  1911.         {

  1912.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1913. 

  1914.             if (latframes <= frames)

  1915.             {

  1916.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1917.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1918.             }

  1919.             else

  1920.             {

  1921.                 const uint32_t diff = pData->latency.frames-frames;

  1922. 

  1923.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1924.                 {

  1925.                     // push back buffer by 'frames'

  1926.                     for (k=0; k < diff; ++k)

  1927.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1928. 

  1929.                     // put current input at the end

  1930.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1931.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1932.                 }

  1933.             }

  1934.         }

  1935. 

  1936. #else // BUILD_BRIDGE

  1937.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1938.         {

  1939.             for (uint32_t k=0; k < frames; ++k)

  1940.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1941.         }

  1942. #endif

  1943. 

  1944.         // --------------------------------------------------------------------------------------------------------

  1945. 

  1946.         pData->singleMutex.unlock();

  1947.         return true;

  1948.     }

  1949. 

  1950.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1951.     {

  1952.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1953.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1954. 

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

  1956.         {

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

  1958.                 delete[] fAudioInBuffers[i];

  1959. 

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

  1961.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1962.         }

  1963. 

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

  1965.         {

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

  1967.                 delete[] fAudioOutBuffers[i];

  1968. 

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

  1970.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  1971.         }

  1972. 

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

  1974.         {

  1975.             delete[] fExtraStereoBuffer[0];

  1976.             fExtraStereoBuffer[0] = nullptr;

  1977.         }

  1978. 

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

  1980.         {

  1981.             delete[] fExtraStereoBuffer[1];

  1982.             fExtraStereoBuffer[1] = nullptr;

  1983.         }

  1984. 

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

  1986.         {

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

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

  1989.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  1990.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  1991.         }

  1992. 

  1993.         reconnectAudioPorts();

  1994. 

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

  1996.     }

  1997. 

  1998.     void sampleRateChanged(const double newSampleRate) override

  1999.     {

  2000.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

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

  2002. 

  2003.         // TODO - handle UI stuff

  2004. 

  2005.         if (pData->active)

  2006.             deactivate();

  2007. 

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

  2009. 

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

  2011.         {

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

  2013.             {

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

  2015.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2016. 

  2017.                 try {

  2018.                     fDescriptor->cleanup(handle);

  2019.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2020.             }

  2021.         }

  2022. 

  2023.         fHandles.clear();

  2024. 

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

  2026.             addInstance();

  2027. 

  2028.         reconnectAudioPorts();

  2029. 

  2030.         if (pData->active)

  2031.             activate();

  2032. 

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

  2034.     }

  2035. 

  2036.     void reconnectAudioPorts() const noexcept

  2037.     {

  2038.         if (fForcedStereoIn)

  2039.         {

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

  2041.             {

  2042.                 try {

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

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

  2045.             }

  2046. 

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

  2048.             {

  2049.                 try {

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

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

  2052.             }

  2053.         }

  2054.         else

  2055.         {

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

  2057.             {

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

  2059.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2060. 

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

  2062.                 {

  2063.                     try {

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

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

  2066.                 }

  2067.             }

  2068.         }

  2069. 

  2070.         if (fForcedStereoOut)

  2071.         {

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

  2073.             {

  2074.                 try {

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

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

  2077.             }

  2078. 

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

  2080.             {

  2081.                 try {

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

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

  2084.             }

  2085.         }

  2086.         else

  2087.         {

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

  2089.             {

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

  2091.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2092. 

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

  2094.                 {

  2095.                     try {

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

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

  2098.                 }

  2099.             }

  2100.         }

  2101.     }

  2102. 

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

  2104.     // Plugin buffers

  2105. 

  2106.     void clearBuffers() noexcept override

  2107.     {

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

  2109. 

  2110.         if (fAudioInBuffers != nullptr)

  2111.         {

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

  2113.             {

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

  2115.                 {

  2116.                     delete[] fAudioInBuffers[i];

  2117.                     fAudioInBuffers[i] = nullptr;

  2118.                 }

  2119.             }

  2120. 

  2121.             delete[] fAudioInBuffers;

  2122.             fAudioInBuffers = nullptr;

  2123.         }

  2124. 

  2125.         if (fAudioOutBuffers != nullptr)

  2126.         {

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

  2128.             {

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

  2130.                 {

  2131.                     delete[] fAudioOutBuffers[i];

  2132.                     fAudioOutBuffers[i] = nullptr;

  2133.                 }

  2134.             }

  2135. 

  2136.             delete[] fAudioOutBuffers;

  2137.             fAudioOutBuffers = nullptr;

  2138.         }

  2139. 

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

  2141.         {

  2142.             delete[] fExtraStereoBuffer[0];

  2143.             fExtraStereoBuffer[0] = nullptr;

  2144.         }

  2145. 

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

  2147.         {

  2148.             delete[] fExtraStereoBuffer[1];

  2149.             fExtraStereoBuffer[1] = nullptr;

  2150.         }

  2151. 

  2152.         if (fParamBuffers != nullptr)

  2153.         {

  2154.             delete[] fParamBuffers;

  2155.             fParamBuffers = nullptr;

  2156.         }

  2157. 

  2158.         CarlaPlugin::clearBuffers();

  2159. 

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

  2161.     }

  2162. 

  2163. #ifdef HAVE_LIBLO

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

  2165.     // OSC stuff

  2166. 

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

  2168.     {

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

  2170.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2171. 

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

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

  2174. 

  2175.         if (fOscData.source == nullptr)

  2176.         {

  2177.             // if no UI is registered yet only "configure" and "update" messages are valid

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

  2179.         }

  2180.         else

  2181.         {

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

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

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

  2185. 

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

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

  2188. 

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

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

  2191.         }

  2192. 

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

  2194. 

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

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

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

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

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

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

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

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

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

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

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

  2206.             return handleOscMessageExiting();

  2207. 

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

  2209.     }

  2210. 

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

  2212.     {

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

  2214.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2215. 

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

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

  2218. 

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

  2220.     }

  2221. 

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

  2223.     {

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

  2225.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2226. 

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

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

  2229. 

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

  2231.     }

  2232. 

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

  2234.     {

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

  2236.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2237. 

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

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

  2240. 

  2241.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2242.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2243. 

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

  2245.     }

  2246. 

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

  2248.     {

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

  2250.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2251. 

  2252.         if (getMidiInCount() == 0)

  2253.         {

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

  2255.             return;

  2256.         }

  2257. 

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

  2259.         uint8_t status  = data[1];

  2260.         uint8_t channel = status & 0x0F;

  2261. 

  2262.         // Fix bad note-off

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

  2264.             status = MIDI_STATUS_NOTE_OFF;

  2265. 

  2266.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2267.         {

  2268.             const uint8_t note = data[2];

  2269. 

  2270.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2271. 

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

  2273.         }

  2274.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2275.         {

  2276.             const uint8_t note = data[2];

  2277.             const uint8_t velo = data[3];

  2278. 

  2279.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2280.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2281. 

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

  2283.         }

  2284.     }

  2285. 

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

  2287.     {

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

  2289.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2290. 

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

  2292. 

  2293.         // FIXME - remove debug prints later

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

  2295. 

  2296.         fOscData.clear();

  2297. 

  2298.         const int proto = lo_address_get_protocol(source);

  2299. 

  2300.         {

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

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

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

  2304. 

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

  2306.         }

  2307. 

  2308.         {

  2309.             char* host = lo_url_get_hostname(url);

  2310.             char* port = lo_url_get_port(url);

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

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

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

  2314. 

  2315.             std::free(host);

  2316.             std::free(port);

  2317.         }

  2318. 

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

  2320. 

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

  2322.         {

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

  2324.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2325. 

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

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

  2328.         }

  2329. 

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

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

  2332. 

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

  2334.         {

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

  2336.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2337.         }

  2338. 

  2339.         for (uint32_t i=0; i < pData->param.count; ++i)

  2340.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2341. 

  2342.         if (pData->engine->getOptions().frontendWinId != 0)

  2343.             pData->transientTryCounter = 1;

  2344. 

  2345.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2346.     }

  2347. 

  2348.     void handleOscMessageExiting()

  2349.     {

  2350.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2351. 

  2352.         // hide UI

  2353.         showCustomUI(false);

  2354. 

  2355.         // tell frontend

  2356.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2357.     }

  2358. 

  2359.     // -------------------------------------------------------------------

  2360.     // Post-poned UI Stuff

  2361. 

  2362.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2363.     {

  2364.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2365. 

  2366.         if (fOscData.target == nullptr)

  2367.             return;

  2368. 

  2369.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2370.     }

  2371. 

  2372.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2373.     {

  2374.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2375. 

  2376.         if (fOscData.target == nullptr)

  2377.             return;

  2378. 

  2379.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2380.     }

  2381. 

  2382.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2383.     {

  2384.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2385.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2386.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2387. 

  2388.         if (fOscData.target == nullptr)

  2389.             return;

  2390. 

  2391. #if 0

  2392.         uint8_t midiData[4];

  2393.         midiData[0] = 0;

  2394.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2395.         midiData[2] = note;

  2396.         midiData[3] = velo;

  2397. 

  2398.         osc_send_midi(fOscData, midiData);

  2399. #endif

  2400.     }

  2401. 

  2402.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2403.     {

  2404.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2405.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2406. 

  2407.         if (fOscData.target == nullptr)

  2408.             return;

  2409. 

  2410. #if 0

  2411.         uint8_t midiData[4];

  2412.         midiData[0] = 0;

  2413.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2414.         midiData[2] = note;

  2415.         midiData[3] = 0;

  2416. 

  2417.         osc_send_midi(fOscData, midiData);

  2418. #endif

  2419.     }

  2420. #endif // HAVE_LIBLO

  2421. 

  2422.     // -------------------------------------------------------------------

  2423. 

  2424.     const void* getNativeDescriptor() const noexcept override

  2425.     {

  2426.         return fDssiDescriptor;

  2427.     }

  2428. 

  2429. #ifdef HAVE_LIBLO

  2430.     uintptr_t getUiBridgeProcessId() const noexcept override

  2431.     {

  2432.         return fThreadUI.getProcessId();

  2433.     }

  2434. 

  2435.     const void* getExtraStuff() const noexcept override

  2436.     {

  2437.         return fUiFilename;

  2438.     }

  2439. #endif

  2440. 

  2441.     // -------------------------------------------------------------------

  2442. 

  2443.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2444.     {

  2445.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2446. 

  2447.         // ---------------------------------------------------------------

  2448.         // first checks

  2449. 

  2450.         if (pData->client != nullptr)

  2451.         {

  2452.             pData->engine->setLastError("Plugin client is already registered");

  2453.             return false;

  2454.         }

  2455. 

  2456.         if (filename == nullptr || filename[0] == '\0')

  2457.         {

  2458.             pData->engine->setLastError("null filename");

  2459.             return false;

  2460.         }

  2461. 

  2462.         // ---------------------------------------------------------------

  2463.         // open DLL

  2464. 

  2465.         if (! pData->libOpen(filename))

  2466.         {

  2467.             pData->engine->setLastError(pData->libError(filename));

  2468.             return false;

  2469.         }

  2470. 

  2471.         // ---------------------------------------------------------------

  2472.         // get DLL main entry

  2473. 

  2474.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2475. 

  2476.         if (descFn == nullptr)

  2477.         {

  2478.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2479.             return false;

  2480.         }

  2481. 

  2482.         // ---------------------------------------------------------------

  2483.         // get descriptor that matches label

  2484. 

  2485.         // if label is null, get first valid plugin

  2486.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2487. 

  2488.         for (ulong d=0;; ++d)

  2489.         {

  2490.             try {

  2491.                 fDssiDescriptor = descFn(d);

  2492.             }

  2493.             catch(...) {

  2494.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2495.                 fDescriptor     = nullptr;

  2496.                 fDssiDescriptor = nullptr;

  2497.                 break;

  2498.             }

  2499. 

  2500.             if (fDssiDescriptor == nullptr)

  2501.                 break;

  2502. 

  2503.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2504. 

  2505.             if (fDescriptor == nullptr)

  2506.             {

  2507.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2508.                 fDssiDescriptor = nullptr;

  2509.                 break;

  2510.             }

  2511.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2512.             {

  2513.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2514.                 fDescriptor     = nullptr;

  2515.                 fDssiDescriptor = nullptr;

  2516.                 break;

  2517.             }

  2518.             if (fDescriptor->run == nullptr)

  2519.             {

  2520.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2521.                 fDescriptor     = nullptr;

  2522.                 fDssiDescriptor = nullptr;

  2523.                 break;

  2524.             }

  2525. 

  2526.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2527.                 break;

  2528.         }

  2529. 

  2530.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2531.         {

  2532.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2533.             return false;

  2534.         }

  2535. 

  2536.         // ---------------------------------------------------------------

  2537.         // check if uses global instance

  2538. 

  2539.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2540.         {

  2541.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2542.             return false;

  2543.         }

  2544. 

  2545.         // ---------------------------------------------------------------

  2546.         // check for fixed buffer size requirement

  2547. 

  2548.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2549. 

  2550.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2551.         {

  2552.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2553.                                         "The plugin requires a fixed block size which is not possible right now.");

  2554.             return false;

  2555.         }

  2556. 

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

  2558.         // get info

  2559. 

  2560.         if (name == nullptr || name[0] == '\0')

  2561.         {

  2562.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2563.                 name = fDescriptor->Name;

  2564.             else

  2565.                 name = fDescriptor->Label;

  2566.         }

  2567. 

  2568.         pData->name = pData->engine->getUniquePluginName(name);

  2569.         pData->filename = carla_strdup(filename);

  2570. 

  2571.         // ---------------------------------------------------------------

  2572.         // register client

  2573. 

  2574.         pData->client = pData->engine->addClient(this);

  2575. 

  2576.         if (pData->client == nullptr || ! pData->client->isOk())

  2577.         {

  2578.             pData->engine->setLastError("Failed to register plugin client");

  2579.             return false;

  2580.         }

  2581. 

  2582.         // ---------------------------------------------------------------

  2583.         // initialize plugin

  2584. 

  2585.         if (! addInstance())

  2586.             return false;

  2587. 

  2588.         // ---------------------------------------------------------------

  2589.         // find latency port index

  2590. 

  2591.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2592.         {

  2593.             const int portType(fDescriptor->PortDescriptors[i]);

  2594. 

  2595.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2596.                 continue;

  2597. 

  2598.             const uint32_t index(iCtrl++);

  2599. 

  2600.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2601.                 continue;

  2602. 

  2603.             const char* const portName(fDescriptor->PortNames[i]);

  2604.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2605. 

  2606.             if (std::strcmp(portName, "latency")  == 0 ||

  2607.                 std::strcmp(portName, "_latency") == 0)

  2608.             {

  2609.                 fLatencyIndex = static_cast<int32_t>(index);

  2610.                 break;

  2611.             }

  2612.         }

  2613. 

  2614.         // ---------------------------------------------------------------

  2615.         // check for custom data extension

  2616. 

  2617.         if (fDssiDescriptor->configure != nullptr)

  2618.         {

  2619.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2620.             {

  2621.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2622.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2623.                     fUsesCustomData = true;

  2624. 

  2625.                 std::free(error);

  2626.             }

  2627.         }

  2628. 

  2629. #ifdef HAVE_LIBLO

  2630.         // ---------------------------------------------------------------

  2631.         // check for gui

  2632. 

  2633.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2634.         {

  2635.             fUiFilename = guiFilename;

  2636.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2637.         }

  2638. #endif

  2639. 

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

  2641.         // set default options

  2642. 

  2643.         pData->options = 0x0;

  2644. 

  2645.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2646.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2647.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2648.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2649. 

  2650.         /**/ if (pData->engine->getOptions().forceStereo)

  2651.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2652.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2653.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2654. 

  2655.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2656.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2657. 

  2658.         if (fUsesCustomData)

  2659.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2660. 

  2661.         if (fDssiDescriptor->run_synth != nullptr)

  2662.         {

  2663.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2664.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2665.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2666.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2667. 

  2668.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2669.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2670.         }

  2671. 

  2672.         return true;

  2673.     }

  2674. 

  2675.     // -------------------------------------------------------------------

  2676. 

  2677. private:

  2678.     LinkedList<LADSPA_Handle> fHandles;

  2679.     const LADSPA_Descriptor*  fDescriptor;

  2680.     const DSSI_Descriptor*    fDssiDescriptor;

  2681. 

  2682.     float** fAudioInBuffers;

  2683.     float** fAudioOutBuffers;

  2684.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2685.     float*  fParamBuffers;

  2686. 

  2687.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2688. 

  2689.     int32_t fLatencyIndex; // -1 if invalid

  2690.     bool    fForcedStereoIn;

  2691.     bool    fForcedStereoOut;

  2692.     bool    fNeedsFixedBuffers;

  2693.     bool    fUsesCustomData;

  2694. 

  2695. #ifdef HAVE_LIBLO

  2696.     CarlaOscData      fOscData;

  2697.     CarlaThreadDSSIUI fThreadUI;

  2698.     const char*       fUiFilename;

  2699. #endif

  2700. 

  2701.     // -------------------------------------------------------------------

  2702. 

  2703.     bool addInstance()

  2704.     {

  2705.         LADSPA_Handle handle;

  2706. 

  2707.         try {

  2708.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2709.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2710. 

  2711.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2712.         {

  2713.             const int32_t rindex(pData->param.data[i].rindex);

  2714.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2715. 

  2716.             try {

  2717.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2718.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2719.         }

  2720. 

  2721.         if (fHandles.append(handle))

  2722.             return true;

  2723. 

  2724.         try {

  2725.             fDescriptor->cleanup(handle);

  2726.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2727. 

  2728.         pData->engine->setLastError("Out of memory");

  2729.         return false;

  2730.     }

  2731. 

  2732.     uint32_t getSafePortCount() const noexcept

  2733.     {

  2734.         if (fDescriptor->PortCount == 0)

  2735.             return 0;

  2736. 

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

  2738.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2739.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2740. 

  2741.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2742.     }

  2743. 

  2744.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2745.     {

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

  2747.             return true;

  2748.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2749.             return true;

  2750.         return false;

  2751.     }

  2752. 

  2753.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2754.                                                      const bool wantName, const bool useBracket) noexcept

  2755.     {

  2756.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2757. 

  2758.         if (sepBracketStart == nullptr)

  2759.             return false;

  2760. 

  2761.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2762. 

  2763.         if (sepBracketEnd == nullptr)

  2764.             return false;

  2765. 

  2766.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2767. 

  2768.         if (unitSize > 7) // very unlikely to have such big unit

  2769.             return false;

  2770. 

  2771.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2772. 

  2773.         // just in case

  2774.         if (sepIndex+2 >= STR_MAX)

  2775.             return false;

  2776. 

  2777.         if (wantName)

  2778.         {

  2779.             std::strncpy(strBuf, paramName, sepIndex);

  2780.             strBuf[sepIndex] = '\0';

  2781.         }

  2782.         else

  2783.         {

  2784.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2785.             strBuf[unitSize] = '\0';

  2786.         }

  2787. 

  2788.         return true;

  2789.     }

  2790. 

  2791.     // -------------------------------------------------------------------

  2792. 

  2793.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2794. };

  2795. 

  2796. // -------------------------------------------------------------------------------------------------------------------

  2797. 

  2798. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2799. {

  2800.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2801.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2802. 

  2803.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2804. 

  2805.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2806.     {

  2807.         delete plugin;

  2808.         return nullptr;

  2809.     }

  2810. 

  2811.     return plugin;

  2812. }

  2813. 

  2814. // -------------------------------------------------------------------------------------------------------------------

  2815. 

  2816. CARLA_BACKEND_END_NAMESPACE