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

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2018 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaDssiUtils.hpp"

  22. #include "CarlaMathUtils.hpp"

  23. 

  24. #ifdef HAVE_LIBLO

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. #include "water/threads/ChildProcess.h"

  31. 

  32. using water::ChildProcess;

  33. using water::String;

  34. using water::StringArray;

  35. 

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

  37.     /* check argument count */                                                                                                  \

  38.     if (argc != argcToCompare)                                                                                                  \

  39.     {                                                                                                                           \

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

  41.         return;                                                                                                                 \

  42.     }                                                                                                                           \

  43.     if (argc > 0)                                                                                                               \

  44.     {                                                                                                                           \

  45.         /* check for nullness */                                                                                                \

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

  47.         {                                                                                                                       \

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

  49.             return;                                                                                                             \

  50.         }                                                                                                                       \

  51.         /* check argument types */                                                                                              \

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

  53.         {                                                                                                                       \

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

  55.             return;                                                                                                             \

  56.         }                                                                                                                       \

  57.     }

  58. 

  59. CARLA_BACKEND_START_NAMESPACE

  60. 

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

  62. // Fallback data

  63. 

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

  65. 

  66. #ifdef HAVE_LIBLO

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

  68. 

  69. class CarlaThreadDSSIUI : public CarlaThread

  70. {

  71. public:

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

  73.         : CarlaThread("CarlaThreadDSSIUI"),

  74.           kEngine(engine),

  75.           kPlugin(plugin),

  76.           fBinary(),

  77.           fLabel(),

  78.           fOscData(oscData),

  79.           fProcess() {}

  80. 

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

  82.     {

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

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

  85.         CARLA_SAFE_ASSERT(! isThreadRunning());

  86. 

  87.         fBinary = binary;

  88.         fLabel  = label;

  89. 

  90.         if (fLabel.isEmpty())

  91.             fLabel = "\"\"";

  92.     }

  93. 

  94.     uintptr_t getProcessId() const noexcept

  95.     {

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

  97. 

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

  99.     }

  100. 

  101.     void run()

  102.     {

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

  104. 

  105.         if (fProcess == nullptr)

  106.         {

  107.             fProcess = new ChildProcess();

  108.         }

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

  110.         {

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

  112. 

  113.             fProcess->kill();

  114.             fProcess = nullptr;

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

  116.             return;

  117.         }

  118. 

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

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

  121. 

  122.         if (name.isEmpty())

  123.             name = "(none)";

  124. 

  125.         if (filename.isEmpty())

  126.             filename = "\"\"";

  127. 

  128.         StringArray arguments;

  129. 

  130.         // binary

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

  132. 

  133.         // osc-url

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

  135. 

  136.         // filename

  137.         arguments.add(filename);

  138. 

  139.         // label

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

  141. 

  142.         // ui-title

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

  144. 

  145.         bool started;

  146. 

  147.         {

  148. #ifdef CARLA_OS_LINUX

  149.             /*

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

  151.              * If not, unset LD_PRELOAD.

  152.              */

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

  154. 

  155.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  156.             char winIdStr[STR_MAX+1];

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

  158. 

  159.             // for LD_PRELOAD

  160.             CarlaString ldPreloadValue;

  161. 

  162.             if (winId != 0)

  163.             {

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

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

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

  167.             }

  168.             else

  169.             {

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

  171.             }

  172. 

  173.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  176. #endif // CARLA_OS_LINUX

  177. 

  178.             // start the DSSI UI application

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

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

  181.         }

  182. 

  183.         if (! started)

  184.         {

  185.             carla_stdout("failed!");

  186.             fProcess = nullptr;

  187.             return;

  188.         }

  189. 

  190.         if (waitForOscGuiShow())

  191.         {

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

  193.                 carla_sleep(1);

  194. 

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

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

  197.             {

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

  199. 

  200.                 if (fProcess->isRunning())

  201.                 {

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

  203.                     fProcess->kill();

  204.                 }

  205.                 else

  206.                 {

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

  208.                 }

  209.             }

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

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

  212.             else

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

  214.         }

  215.         else

  216.         {

  217.             fProcess->kill();

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

  219.         }

  220. 

  221.         fProcess = nullptr;

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

  223. 

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

  225.     }

  226. 

  227. private:

  228.     CarlaEngine* const kEngine;

  229.     CarlaPlugin* const kPlugin;

  230. 

  231.     CarlaString fBinary;

  232.     CarlaString fLabel;

  233. 

  234.     const CarlaOscData&         fOscData;

  235.     ScopedPointer<ChildProcess> fProcess;

  236. 

  237.     bool waitForOscGuiShow()

  238.     {

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

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

  241. 

  242.         // wait for UI 'update' call

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

  244.         {

  245.             if (fOscData.target != nullptr)

  246.             {

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

  248.                 osc_send_show(fOscData);

  249.                 return true;

  250.             }

  251. 

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

  253.                 carla_msleep(100);

  254.             else

  255.                 return false;

  256.         }

  257. 

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

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

  260.         return false;

  261.     }

  262. 

  263.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  264. };

  265. #endif

  266. 

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

  268. 

  269. class CarlaPluginDSSI : public CarlaPlugin

  270. {

  271. public:

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

  273.         : CarlaPlugin(engine, id),

  274.           fHandles(),

  275.           fDescriptor(nullptr),

  276.           fDssiDescriptor(nullptr),

  277.           fAudioInBuffers(nullptr),

  278.           fAudioOutBuffers(nullptr),

  279.           fExtraStereoBuffer(),

  280.           fParamBuffers(nullptr),

  281.           fLatencyIndex(-1),

  282.           fForcedStereoIn(false),

  283.           fForcedStereoOut(false),

  284.           fNeedsFixedBuffers(false),

  285.           fUsesCustomData(false)

  286. #ifdef HAVE_LIBLO

  287.         , fOscData(),

  288.           fThreadUI(engine, this, fOscData),

  289.           fUiFilename(nullptr)

  290. #endif

  291.     {

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

  293. 

  294.         carla_zeroPointers(fExtraStereoBuffer, 2);

  295.     }

  296. 

  297.     ~CarlaPluginDSSI() noexcept override

  298.     {

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

  300. 

  301. #ifdef HAVE_LIBLO

  302.         // close UI

  303.         if (fUiFilename != nullptr)

  304.         {

  305.             showCustomUI(false);

  306. 

  307.             delete[] fUiFilename;

  308.             fUiFilename = nullptr;

  309.         }

  310. #endif

  311. 

  312.         pData->singleMutex.lock();

  313.         pData->masterMutex.lock();

  314. 

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

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

  317. 

  318.         if (pData->active)

  319.         {

  320.             deactivate();

  321.             pData->active = false;

  322.         }

  323. 

  324.         if (fDescriptor != nullptr)

  325.         {

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

  327.             {

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

  329.                 {

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

  331.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  332. 

  333.                     try {

  334.                         fDescriptor->cleanup(handle);

  335.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  336.                 }

  337.             }

  338. 

  339.             fHandles.clear();

  340.             fDescriptor = nullptr;

  341.             fDssiDescriptor = nullptr;

  342.         }

  343. 

  344.         clearBuffers();

  345.     }

  346. 

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

  348.     // Information (base)

  349. 

  350.     PluginType getType() const noexcept override

  351.     {

  352.         return PLUGIN_DSSI;

  353.     }

  354. 

  355.     PluginCategory getCategory() const noexcept override

  356.     {

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

  358. 

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

  360.             return PLUGIN_CATEGORY_SYNTH;

  361. 

  362.         return CarlaPlugin::getCategory();

  363.     }

  364. 

  365.     int64_t getUniqueId() const noexcept override

  366.     {

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

  368. 

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

  370.     }

  371. 

  372.     uint32_t getLatencyInFrames() const noexcept override

  373.     {

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

  375.             return 0;

  376. 

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

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

  379. 

  380.         return static_cast<uint32_t>(latency);

  381.     }

  382. 

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

  384.     // Information (count)

  385. 

  386.     // nothing

  387. 

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

  389.     // Information (current data)

  390. 

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

  392.     {

  393.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  399. 

  400.         *dataPtr = nullptr;

  401. 

  402.         int ret = 0;

  403.         ulong dataSize = 0;

  404. 

  405.         try {

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

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

  408. 

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

  410.     }

  411. 

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

  413.     // Information (per-plugin data)

  414. 

  415.     uint getOptionsAvailable() const noexcept override

  416.     {

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

  418. 

  419.         uint options = 0x0;

  420. 

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

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

  423.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  424. 

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

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

  427.             pass();

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

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

  430.             options |= PLUGIN_OPTION_FORCE_STEREO;

  431. 

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

  433.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  434. 

  435.         if (fUsesCustomData)

  436.             options |= PLUGIN_OPTION_USE_CHUNKS;

  437. 

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

  439.         {

  440.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  441.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  442.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  443.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  444.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  445.         }

  446. 

  447.         return options;

  448.     }

  449. 

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

  451.     {

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

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

  454. 

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

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

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

  458. 

  459.         // not output, should be fine

  460.         return fParamBuffers[parameterId];

  461.     }

  462. 

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

  464.     {

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

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

  467. 

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

  469.     }

  470. 

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

  472.     {

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

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

  475. 

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

  477.     }

  478. 

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

  480.     {

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

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

  483. 

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

  485.     }

  486. 

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

  488.     {

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

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

  491. 

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

  493.     }

  494. 

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

  496.     {

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

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

  499. 

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

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

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

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

  504. 

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

  506.             return;

  507. 

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

  509.     }

  510. 

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

  512.     {

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

  514. 

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

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

  517. 

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

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

  520. 

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

  522.             return;

  523. 

  524.         nullStrBuf(strBuf);

  525.     }

  526. 

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

  528.     // Set data (state)

  529. 

  530.     // nothing

  531. 

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

  533.     // Set data (internal stuff)

  534. 

  535.     void setId(const uint newId) noexcept override

  536.     {

  537.         CarlaPlugin::setId(newId);

  538. 

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

  540.         // FIXME - must be RT safe

  541.         showCustomUI(false);

  542.     }

  543. 

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

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

  546. 

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

  548.     {

  549.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  551. 

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

  553.         fParamBuffers[parameterId] = fixedValue;

  554. 

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

  556.     }

  557. 

  558.     void 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, const bool doingInit) 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.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,);

  649. 

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

  651.         {

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

  653. 

  654.             setMidiProgramInDSSI(static_cast<uint32_t>(index));

  655.         }

  656. 

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

  658.     }

  659. 

  660.     void setMidiProgramRT(const uint32_t uindex) noexcept override

  661.     {

  662.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  664.         CARLA_SAFE_ASSERT_RETURN(uindex < pData->midiprog.count,);

  665. 

  666.         setMidiProgramInDSSI(uindex);

  667. 

  668.         CarlaPlugin::setMidiProgramRT(uindex);

  669.     }

  670. 

  671.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  672.     {

  673.         const uint32_t bank(pData->midiprog.data[uindex].bank);

  674.         const uint32_t program(pData->midiprog.data[uindex].program);

  675. 

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

  677.         {

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

  679.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  680. 

  681.             try {

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

  683.             } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  684.         }

  685.     }

  686. 

  687. #ifdef HAVE_LIBLO

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

  689.     // Set ui stuff

  690. 

  691.     void showCustomUI(const bool yesNo) override

  692.     {

  693.         if (yesNo)

  694.         {

  695.             fOscData.clear();

  696.             fThreadUI.startThread();

  697.         }

  698.         else

  699.         {

  700. #ifndef BUILD_BRIDGE

  701.             pData->transientTryCounter = 0;

  702. #endif

  703. 

  704.             if (fOscData.target != nullptr)

  705.             {

  706.                 osc_send_hide(fOscData);

  707.                 osc_send_quit(fOscData);

  708.                 fOscData.clear();

  709.             }

  710. 

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

  712.         }

  713.     }

  714. #endif

  715. 

  716.     // -------------------------------------------------------------------

  717.     // Plugin state

  718. 

  719.     void reload() override

  720.     {

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

  722.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  723.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  726. 

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

  728. 

  729.         // Safely disable plugin for reload

  730.         const ScopedDisabler sd(this);

  731. 

  732.         if (pData->active)

  733.             deactivate();

  734. 

  735.         clearBuffers();

  736. 

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

  738.         const uint32_t portCount(getSafePortCount());

  739. 

  740.         uint32_t aIns, aOuts, mIns, params;

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

  742. 

  743.         bool forcedStereoIn, forcedStereoOut;

  744.         forcedStereoIn = forcedStereoOut = false;

  745. 

  746.         bool needsCtrlIn, needsCtrlOut;

  747.         needsCtrlIn = needsCtrlOut = false;

  748. 

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

  750.         {

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

  752. 

  753.             if (LADSPA_IS_PORT_AUDIO(portType))

  754.             {

  755.                 if (LADSPA_IS_PORT_INPUT(portType))

  756.                     aIns += 1;

  757.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  758.                     aOuts += 1;

  759.             }

  760.             else if (LADSPA_IS_PORT_CONTROL(portType))

  761.                 params += 1;

  762.         }

  763. 

  764.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  765.         {

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

  767.             {

  768.                 if (aIns == 1)

  769.                 {

  770.                     aIns = 2;

  771.                     forcedStereoIn = true;

  772.                 }

  773.                 if (aOuts == 1)

  774.                 {

  775.                     aOuts = 2;

  776.                     forcedStereoOut = true;

  777.                 }

  778.             }

  779.         }

  780. 

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

  782.         {

  783.             mIns = 1;

  784.             needsCtrlIn = true;

  785.         }

  786. 

  787.         if (aIns > 0)

  788.         {

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

  790.             fAudioInBuffers = new float*[aIns];

  791. 

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

  793.                 fAudioInBuffers[i] = nullptr;

  794.         }

  795. 

  796.         if (aOuts > 0)

  797.         {

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

  799.             fAudioOutBuffers = new float*[aOuts];

  800.             needsCtrlIn = true;

  801. 

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

  803.                 fAudioOutBuffers[i] = nullptr;

  804.         }

  805. 

  806.         if (params > 0)

  807.         {

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

  809. 

  810.             fParamBuffers = new float[params];

  811.             carla_zeroFloats(fParamBuffers, params);

  812.         }

  813. 

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

  815.         CarlaString portName;

  816. 

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

  818.         {

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

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

  821. 

  822.             if (LADSPA_IS_PORT_AUDIO(portType))

  823.             {

  824.                 portName.clear();

  825. 

  826.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  827.                 {

  828.                     portName  = pData->name;

  829.                     portName += ":";

  830.                 }

  831. 

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

  833.                 {

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

  835.                 }

  836.                 else

  837.                 {

  838.                     if (LADSPA_IS_PORT_INPUT(portType))

  839.                     {

  840.                         if (aIns > 1)

  841.                         {

  842.                             portName += "audio-in_";

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

  844.                         }

  845.                         else

  846.                             portName += "audio-in";

  847.                     }

  848.                     else

  849.                     {

  850.                         if (aOuts > 1)

  851.                         {

  852.                             portName += "audio-out_";

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

  854.                         }

  855.                         else

  856.                             portName += "audio-out";

  857.                     }

  858.                 }

  859. 

  860.                 portName.truncate(portNameSize);

  861. 

  862.                 if (LADSPA_IS_PORT_INPUT(portType))

  863.                 {

  864.                     const uint32_t j = iAudioIn++;

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

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

  867. 

  868.                     if (forcedStereoIn)

  869.                     {

  870.                         portName += "_2";

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

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

  873.                     }

  874.                 }

  875.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  876.                 {

  877.                     const uint32_t j = iAudioOut++;

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

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

  880. 

  881.                     if (forcedStereoOut)

  882.                     {

  883.                         portName += "_2";

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

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

  886.                     }

  887.                 }

  888.                 else

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

  890.             }

  891.             else if (LADSPA_IS_PORT_CONTROL(portType))

  892.             {

  893.                 const uint32_t j = iCtrl++;

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

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

  896. 

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

  898. 

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

  900. 

  901.                 // min value

  902.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  903.                     min = portRangeHints.LowerBound;

  904.                 else

  905.                     min = 0.0f;

  906. 

  907.                 // max value

  908.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  909.                     max = portRangeHints.UpperBound;

  910.                 else

  911.                     max = 1.0f;

  912. 

  913.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  914.                 {

  915.                     min *= sampleRate;

  916.                     max *= sampleRate;

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

  918.                 }

  919. 

  920.                 if (min >= max)

  921.                 {

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

  923.                     max = min + 0.1f;

  924.                 }

  925. 

  926.                 // default value

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

  928. 

  929.                 if (def < min)

  930.                     def = min;

  931.                 else if (def > max)

  932.                     def = max;

  933. 

  934.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  935.                 {

  936.                     step = max - min;

  937.                     stepSmall = step;

  938.                     stepLarge = step;

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

  940.                 }

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

  942.                 {

  943.                     step = 1.0f;

  944.                     stepSmall = 1.0f;

  945.                     stepLarge = 10.0f;

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

  947.                 }

  948.                 else

  949.                 {

  950.                     const float range = max - min;

  951.                     step = range/100.0f;

  952.                     stepSmall = range/1000.0f;

  953.                     stepLarge = range/10.0f;

  954.                 }

  955. 

  956.                 if (LADSPA_IS_PORT_INPUT(portType))

  957.                 {

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

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

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

  961.                     needsCtrlIn = true;

  962. 

  963.                     // MIDI CC value

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

  965.                     {

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

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

  968.                         {

  969.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  970.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  972.                         }

  973.                     }

  974.                 }

  975.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  976.                 {

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

  978. 

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

  980.                     {

  981.                         min = 0.0f;

  982.                         max = sampleRate;

  983.                         def = 0.0f;

  984.                         step = 1.0f;

  985.                         stepSmall = 1.0f;

  986.                         stepLarge = 1.0f;

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

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

  989.                     }

  990.                     else

  991.                     {

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

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

  994.                         needsCtrlOut = true;

  995.                     }

  996.                 }

  997.                 else

  998.                 {

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

  1000.                 }

  1001. 

  1002.                 // extra parameter hints

  1003.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  1005. 

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

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

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

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

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

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

  1012. 

  1013.                 // Start parameters in their default values

  1014.                 fParamBuffers[j] = def;

  1015. 

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

  1017.                 {

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

  1019.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1020. 

  1021.                     try {

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

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

  1024.                 }

  1025.             }

  1026.             else

  1027.             {

  1028.                 // Not Audio or Control

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

  1030. 

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

  1032.                 {

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

  1034.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1035. 

  1036.                     try {

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

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

  1039.                 }

  1040.             }

  1041.         }

  1042. 

  1043.         if (needsCtrlIn)

  1044.         {

  1045.             portName.clear();

  1046. 

  1047.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1048.             {

  1049.                 portName  = pData->name;

  1050.                 portName += ":";

  1051.             }

  1052. 

  1053.             portName += "events-in";

  1054.             portName.truncate(portNameSize);

  1055. 

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

  1057.         }

  1058. 

  1059.         if (needsCtrlOut)

  1060.         {

  1061.             portName.clear();

  1062. 

  1063.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1064.             {

  1065.                 portName  = pData->name;

  1066.                 portName += ":";

  1067.             }

  1068. 

  1069.             portName += "events-out";

  1070.             portName.truncate(portNameSize);

  1071. 

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

  1073.         }

  1074. 

  1075.         if (forcedStereoIn || forcedStereoOut)

  1076.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1077.         else

  1078.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1079. 

  1080.         // plugin hints

  1081.         pData->hints = 0x0;

  1082. 

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

  1084.             pData->hints |= PLUGIN_IS_RTSAFE;

  1085. 

  1086. #ifdef HAVE_LIBLO

  1087.         if (fUiFilename != nullptr)

  1088.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1089. #endif

  1090. 

  1091. #ifndef BUILD_BRIDGE

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

  1093.             pData->hints |= PLUGIN_CAN_DRYWET;

  1094. 

  1095.         if (aOuts > 0)

  1096.             pData->hints |= PLUGIN_CAN_VOLUME;

  1097. 

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

  1099.             pData->hints |= PLUGIN_CAN_BALANCE;

  1100. #endif

  1101. 

  1102.         // extra plugin hints

  1103.         pData->extraHints  = 0x0;

  1104.         pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1105. 

  1106.         if (mIns > 0)

  1107.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1108. 

  1109.         // check initial latency

  1110.         findInitialLatencyValue(aIns, aOuts);

  1111. 

  1112.         fForcedStereoIn  = forcedStereoIn;

  1113.         fForcedStereoOut = forcedStereoOut;

  1114. 

  1115.         bufferSizeChanged(pData->engine->getBufferSize());

  1116.         reloadPrograms(true);

  1117. 

  1118.         if (pData->active)

  1119.             activate();

  1120. 

  1121.         carla_debug("CarlaPluginDSSI::reload() - end");

  1122.     }

  1123. 

  1124.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1125.     {

  1126.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1127.             return;

  1128. 

  1129.         // we need to pre-run the plugin so it can update its latency control-port

  1130.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1131.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1132. 

  1133.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1134.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1135. 

  1136.         for (uint32_t j=0; j < aIns; ++j)

  1137.         {

  1138.             tmpIn[j][0] = 0.0f;

  1139.             tmpIn[j][1] = 0.0f;

  1140. 

  1141.             try {

  1142.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1143.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1144.         }

  1145. 

  1146.         for (uint32_t j=0; j < aOuts; ++j)

  1147.         {

  1148.             tmpOut[j][0] = 0.0f;

  1149.             tmpOut[j][1] = 0.0f;

  1150. 

  1151.             try {

  1152.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1153.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1154.         }

  1155. 

  1156.         if (fDescriptor->activate != nullptr)

  1157.         {

  1158.             try {

  1159.                 fDescriptor->activate(handle);

  1160.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1161.         }

  1162. 

  1163.         try {

  1164.             fDescriptor->run(handle, 2);

  1165.         } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1166. 

  1167.         if (fDescriptor->deactivate != nullptr)

  1168.         {

  1169.             try {

  1170.                 fDescriptor->deactivate(handle);

  1171.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1172.         }

  1173. 

  1174.         // done, let's get the value

  1175.         if (const uint32_t latency = getLatencyInFrames())

  1176.         {

  1177.             pData->client->setLatency(latency);

  1178. #ifndef BUILD_BRIDGE

  1179.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1180. #endif

  1181.         }

  1182.     }

  1183. 

  1184.     void reloadPrograms(const bool doInit) override

  1185.     {

  1186.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1187. 

  1188.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1189.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1190. 

  1191.         const uint32_t oldCount = pData->midiprog.count;

  1192.         const int32_t  current  = pData->midiprog.current;

  1193. 

  1194.         // Delete old programs

  1195.         pData->midiprog.clear();

  1196. 

  1197.         // Query new programs

  1198.         uint32_t newCount = 0;

  1199.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1200.         {

  1201.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1202.                 ++newCount;

  1203.         }

  1204. 

  1205.         if (newCount > 0)

  1206.         {

  1207.             pData->midiprog.createNew(newCount);

  1208. 

  1209.             // Update data

  1210.             for (uint32_t i=0; i < newCount; ++i)

  1211.             {

  1212.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1213.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1214.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1215. 

  1216.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1217.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1218.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1219.             }

  1220.         }

  1221. 

  1222. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1223.         // Update OSC Names

  1224.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1225.         {

  1226.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1227. 

  1228.             for (uint32_t i=0; i < newCount; ++i)

  1229.                 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);

  1230.         }

  1231. #endif

  1232. 

  1233.         if (doInit)

  1234.         {

  1235.             if (newCount > 0)

  1236.                 setMidiProgram(0, false, false, false, true);

  1237.         }

  1238.         else

  1239.         {

  1240.             // Check if current program is invalid

  1241.             bool programChanged = false;

  1242. 

  1243.             if (newCount == oldCount+1)

  1244.             {

  1245.                 // one midi program added, probably created by user

  1246.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1247.                 programChanged = true;

  1248.             }

  1249.             else if (current < 0 && newCount > 0)

  1250.             {

  1251.                 // programs exist now, but not before

  1252.                 pData->midiprog.current = 0;

  1253.                 programChanged = true;

  1254.             }

  1255.             else if (current >= 0 && newCount == 0)

  1256.             {

  1257.                 // programs existed before, but not anymore

  1258.                 pData->midiprog.current = -1;

  1259.                 programChanged = true;

  1260.             }

  1261.             else if (current >= static_cast<int32_t>(newCount))

  1262.             {

  1263.                 // current midi program > count

  1264.                 pData->midiprog.current = 0;

  1265.                 programChanged = true;

  1266.             }

  1267.             else

  1268.             {

  1269.                 // no change

  1270.                 pData->midiprog.current = current;

  1271.             }

  1272. 

  1273.             if (programChanged)

  1274.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1275. 

  1276.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1277.         }

  1278.     }

  1279. 

  1280.     // -------------------------------------------------------------------

  1281.     // Plugin processing

  1282. 

  1283.     void activate() noexcept override

  1284.     {

  1285.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1286. 

  1287.         if (fDescriptor->activate != nullptr)

  1288.         {

  1289.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1290.             {

  1291.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1292.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1293. 

  1294.                 try {

  1295.                     fDescriptor->activate(handle);

  1296.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1297.             }

  1298.         }

  1299.     }

  1300. 

  1301.     void deactivate() noexcept override

  1302.     {

  1303.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1304. 

  1305.         if (fDescriptor->deactivate != nullptr)

  1306.         {

  1307.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1308.             {

  1309.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1310.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1311. 

  1312.                 try {

  1313.                     fDescriptor->deactivate(handle);

  1314.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1315.             }

  1316.         }

  1317.     }

  1318. 

  1319.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1320.     {

  1321.         // --------------------------------------------------------------------------------------------------------

  1322.         // Check if active

  1323. 

  1324.         if (! pData->active)

  1325.         {

  1326.             // disable any output sound

  1327.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1328.                 carla_zeroFloats(audioOut[i], frames);

  1329.             return;

  1330.         }

  1331. 

  1332.         ulong midiEventCount = 0;

  1333.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1334. 

  1335.         // --------------------------------------------------------------------------------------------------------

  1336.         // Check if needs reset

  1337. 

  1338.         if (pData->needsReset)

  1339.         {

  1340.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1341.             {

  1342.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1343. 

  1344.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1345.                 {

  1346.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1347.                     fMidiEvents[i].data.control.channel = i;

  1348.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1349. 

  1350.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1351.                     fMidiEvents[k+i].data.control.channel = i;

  1352.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1353.                 }

  1354.             }

  1355.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1356.             {

  1357.                 midiEventCount = MAX_MIDI_NOTE;

  1358. 

  1359.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1360.                 {

  1361.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1362.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1363.                     fMidiEvents[i].data.note.note    = i;

  1364.                 }

  1365.             }

  1366. 

  1367.             pData->needsReset = false;

  1368.         }

  1369. 

  1370.         // --------------------------------------------------------------------------------------------------------

  1371.         // Event Input and Processing

  1372. 

  1373.         if (pData->event.portIn != nullptr)

  1374.         {

  1375.             // ----------------------------------------------------------------------------------------------------

  1376.             // MIDI Input (External)

  1377. 

  1378.             if (pData->extNotes.mutex.tryLock())

  1379.             {

  1380.                 ExternalMidiNote note = { 0, 0, 0 };

  1381. 

  1382.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1383.                 {

  1384.                     note = pData->extNotes.data.getFirst(note, true);

  1385.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1386. 

  1387.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1388. 

  1389.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1390.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1391.                     seqEvent.data.note.note     = note.note;

  1392.                     seqEvent.data.note.velocity = note.velo;

  1393.                 }

  1394. 

  1395.                 pData->extNotes.mutex.unlock();

  1396. 

  1397.             } // End of MIDI Input (External)

  1398. 

  1399.             // ----------------------------------------------------------------------------------------------------

  1400.             // Event Input (System)

  1401. 

  1402. #ifndef BUILD_BRIDGE

  1403.             bool allNotesOffSent = false;

  1404. #endif

  1405.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1406. 

  1407.             uint32_t startTime  = 0;

  1408.             uint32_t timeOffset = 0;

  1409.             uint32_t nextBankId;

  1410. 

  1411.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1412.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1413.             else

  1414.                 nextBankId = 0;

  1415. 

  1416.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1417.             {

  1418.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1419. 

  1420.                 if (event.time >= frames)

  1421.                     continue;

  1422. 

  1423.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1424. 

  1425.                 if (isSampleAccurate && event.time > timeOffset)

  1426.                 {

  1427.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1428.                     {

  1429.                         startTime  = 0;

  1430.                         timeOffset = event.time;

  1431.                         midiEventCount = 0;

  1432. 

  1433.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1434.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1435.                         else

  1436.                             nextBankId = 0;

  1437.                     }

  1438.                     else

  1439.                         startTime += timeOffset;

  1440.                 }

  1441. 

  1442.                 switch (event.type)

  1443.                 {

  1444.                 case kEngineEventTypeNull:

  1445.                     break;

  1446. 

  1447.                 case kEngineEventTypeControl: {

  1448.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1449. 

  1450.                     switch (ctrlEvent.type)

  1451.                     {

  1452.                     case kEngineControlEventTypeNull:

  1453.                         break;

  1454. 

  1455.                     case kEngineControlEventTypeParameter: {

  1456. #ifndef BUILD_BRIDGE

  1457.                         // Control backend stuff

  1458.                         if (event.channel == pData->ctrlChannel)

  1459.                         {

  1460.                             float value;

  1461. 

  1462.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1463.                             {

  1464.                                 value = ctrlEvent.value;

  1465.                                 setDryWetRT(value);

  1466.                             }

  1467. 

  1468.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1469.                             {

  1470.                                 value = ctrlEvent.value*127.0f/100.0f;

  1471.                                 setVolumeRT(value);

  1472.                             }

  1473. 

  1474.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1475.                             {

  1476.                                 float left, right;

  1477.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1478. 

  1479.                                 if (value < 0.0f)

  1480.                                 {

  1481.                                     left  = -1.0f;

  1482.                                     right = (value*2.0f)+1.0f;

  1483.                                 }

  1484.                                 else if (value > 0.0f)

  1485.                                 {

  1486.                                     left  = (value*2.0f)-1.0f;

  1487.                                     right = 1.0f;

  1488.                                 }

  1489.                                 else

  1490.                                 {

  1491.                                     left  = -1.0f;

  1492.                                     right = 1.0f;

  1493.                                 }

  1494. 

  1495.                                 setBalanceLeftRT(left);

  1496.                                 setBalanceRightRT(right);

  1497.                             }

  1498.                         }

  1499. #endif

  1500.                         // Control plugin parameters

  1501.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1502.                         {

  1503.                             if (pData->param.data[k].midiChannel != event.channel)

  1504.                                 continue;

  1505.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1506.                                 continue;

  1507.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1508.                                 continue;

  1509.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1510.                                 continue;

  1511. 

  1512.                             float value;

  1513. 

  1514.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1515.                             {

  1516.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1517.                             }

  1518.                             else

  1519.                             {

  1520.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1521.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1522.                                 else

  1523.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1524. 

  1525.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1526.                                     value = std::rint(value);

  1527.                             }

  1528. 

  1529.                             setParameterValueRT(k, value);

  1530.                         }

  1531. 

  1532.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1533.                         {

  1534.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1535.                                 continue;

  1536. 

  1537.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1538. 

  1539.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1540. 

  1541.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1542.                             seqEvent.data.control.channel = event.channel;

  1543.                             seqEvent.data.control.param   = ctrlEvent.param;

  1544.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1545.                         }

  1546. 

  1547.                         break;

  1548.                     } // case kEngineControlEventTypeParameter

  1549. 

  1550.                     case kEngineControlEventTypeMidiBank:

  1551.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1552.                             nextBankId = ctrlEvent.param;

  1553.                         break;

  1554. 

  1555.                     case kEngineControlEventTypeMidiProgram:

  1556.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1557.                         {

  1558.                             const uint32_t nextProgramId = ctrlEvent.param;

  1559. 

  1560.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1561.                             {

  1562.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1563.                                 {

  1564.                                     setMidiProgramRT(k);

  1565.                                     break;

  1566.                                 }

  1567.                             }

  1568.                         }

  1569.                         break;

  1570. 

  1571.                     case kEngineControlEventTypeAllSoundOff:

  1572.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1573.                         {

  1574.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1575.                                 continue;

  1576. 

  1577.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1578. 

  1579.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1580. 

  1581.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1582.                             seqEvent.data.control.channel = event.channel;

  1583.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1584.                         }

  1585.                         break;

  1586. 

  1587.                     case kEngineControlEventTypeAllNotesOff:

  1588.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1589.                         {

  1590. #ifndef BUILD_BRIDGE

  1591.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1592.                             {

  1593.                                 allNotesOffSent = true;

  1594.                                 sendMidiAllNotesOffToCallback();

  1595.                             }

  1596. #endif

  1597. 

  1598.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1599.                                 continue;

  1600. 

  1601.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1602. 

  1603.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1604. 

  1605.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1606.                             seqEvent.data.control.channel = event.channel;

  1607.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1608.                         }

  1609.                         break;

  1610.                     } // switch (ctrlEvent.type)

  1611.                     break;

  1612.                 } // case kEngineEventTypeControl

  1613. 

  1614.                 case kEngineEventTypeMidi: {

  1615.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1616.                         continue;

  1617. 

  1618.                     const EngineMidiEvent& midiEvent(event.midi);

  1619. 

  1620.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1621.                         continue;

  1622. 

  1623.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1624. 

  1625.                     // Fix bad note-off (per DSSI spec)

  1626.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1627.                         status = MIDI_STATUS_NOTE_OFF;

  1628. 

  1629.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1630. 

  1631.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1632. 

  1633.                     switch (status)

  1634.                     {

  1635.                     case MIDI_STATUS_NOTE_OFF: {

  1636.                         const uint8_t note = midiEvent.data[1];

  1637. 

  1638.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1639.                         seqEvent.data.note.channel = event.channel;

  1640.                         seqEvent.data.note.note    = note;

  1641. 

  1642.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1643.                         break;

  1644.                     }

  1645. 

  1646.                     case MIDI_STATUS_NOTE_ON: {

  1647.                         const uint8_t note = midiEvent.data[1];

  1648.                         const uint8_t velo = midiEvent.data[2];

  1649. 

  1650.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1651.                         seqEvent.data.note.channel  = event.channel;

  1652.                         seqEvent.data.note.note     = note;

  1653.                         seqEvent.data.note.velocity = velo;

  1654. 

  1655.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1656.                         break;

  1657.                     }

  1658. 

  1659.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1660.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1661.                         {

  1662.                             const uint8_t note     = midiEvent.data[1];

  1663.                             const uint8_t pressure = midiEvent.data[2];

  1664. 

  1665.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1666.                             seqEvent.data.note.channel  = event.channel;

  1667.                             seqEvent.data.note.note     = note;

  1668.                             seqEvent.data.note.velocity = pressure;

  1669.                         }

  1670.                         break;

  1671. 

  1672.                     case MIDI_STATUS_CONTROL_CHANGE:

  1673.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1674.                         {

  1675.                             const uint8_t control = midiEvent.data[1];

  1676.                             const uint8_t value   = midiEvent.data[2];

  1677. 

  1678.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1679.                             seqEvent.data.control.channel = event.channel;

  1680.                             seqEvent.data.control.param   = control;

  1681.                             seqEvent.data.control.value   = value;

  1682.                         }

  1683.                         break;

  1684. 

  1685.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1686.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1687.                         {

  1688.                             const uint8_t pressure = midiEvent.data[1];

  1689. 

  1690.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1692.                             seqEvent.data.control.value   = pressure;

  1693.                         }

  1694.                         break;

  1695. 

  1696.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1697.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1698.                         {

  1699.                             const uint8_t lsb = midiEvent.data[1];

  1700.                             const uint8_t msb = midiEvent.data[2];

  1701. 

  1702.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1703.                             seqEvent.data.control.channel = event.channel;

  1704.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1705.                         }

  1706.                         break;

  1707. 

  1708.                     default:

  1709.                         --midiEventCount;

  1710.                         break;

  1711.                     } // switch (status)

  1712.                 } break;

  1713.                 } // switch (event.type)

  1714.             }

  1715. 

  1716.             pData->postRtEvents.trySplice();

  1717. 

  1718.             if (frames > timeOffset)

  1719.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1720. 

  1721.         } // End of Event Input and Processing

  1722. 

  1723.         // --------------------------------------------------------------------------------------------------------

  1724.         // Plugin processing (no events)

  1725. 

  1726.         else

  1727.         {

  1728.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1729. 

  1730.         } // End of Plugin processing (no events)

  1731. 

  1732.         // --------------------------------------------------------------------------------------------------------

  1733.         // Control Output

  1734. 

  1735.         if (pData->event.portOut != nullptr)

  1736.         {

  1737.             uint8_t  channel;

  1738.             uint16_t param;

  1739.             float    value;

  1740. 

  1741.             for (uint32_t k=0; k < pData->param.count; ++k)

  1742.             {

  1743.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1744.                     continue;

  1745. 

  1746.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1747. 

  1748.                 if (pData->param.data[k].midiCC > 0)

  1749.                 {

  1750.                     channel = pData->param.data[k].midiChannel;

  1751.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1752.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1753.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1754.                 }

  1755.             }

  1756.         } // End of Control Output

  1757.     }

  1758. 

  1759.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1760.                        const uint32_t timeOffset, const ulong midiEventCount)

  1761.     {

  1762.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1763. 

  1764.         if (pData->audioIn.count > 0)

  1765.         {

  1766.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1767.         }

  1768.         if (pData->audioOut.count > 0)

  1769.         {

  1770.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1771.         }

  1772. 

  1773.         // --------------------------------------------------------------------------------------------------------

  1774.         // Try lock, silence otherwise

  1775. 

  1776. #ifndef STOAT_TEST_BUILD

  1777.         if (pData->engine->isOffline())

  1778.         {

  1779.             pData->singleMutex.lock();

  1780.         }

  1781.         else

  1782. #endif

  1783.         if (! pData->singleMutex.tryLock())

  1784.         {

  1785.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1786.             {

  1787.                 for (uint32_t k=0; k < frames; ++k)

  1788.                     audioOut[i][k+timeOffset] = 0.0f;

  1789.             }

  1790. 

  1791.             return false;

  1792.         }

  1793. 

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

  1795.         // Set audio buffers

  1796. 

  1797.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1798.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1799. 

  1800.         if (! customMonoOut)

  1801.         {

  1802.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1803.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1804.         }

  1805. 

  1806.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1807.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1808. 

  1809.         // --------------------------------------------------------------------------------------------------------

  1810.         // Run plugin

  1811. 

  1812.         uint instn = 0;

  1813.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1814.         {

  1815.             LADSPA_Handle const handle(it.getValue(nullptr));

  1816.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1817. 

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

  1819.             // Mixdown for forced stereo

  1820. 

  1821.             if (customMonoOut)

  1822.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1823. 

  1824.             // ----------------------------------------------------------------------------------------------------

  1825.             // Run it

  1826. 

  1827.             if (fDssiDescriptor->run_synth != nullptr)

  1828.             {

  1829.                 try {

  1830.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1831.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1832.             }

  1833.             else

  1834.             {

  1835.                 try {

  1836.                     fDescriptor->run(handle, frames);

  1837.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1838.             }

  1839. 

  1840.             // ----------------------------------------------------------------------------------------------------

  1841.             // Mixdown for forced stereo

  1842. 

  1843.             if (customMonoOut)

  1844.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1845.             else if (customStereoOut)

  1846.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1847.         }

  1848. 

  1849.         if (customStereoOut)

  1850.         {

  1851.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1852.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1853.         }

  1854. 

  1855. #ifndef BUILD_BRIDGE

  1856.         // --------------------------------------------------------------------------------------------------------

  1857.         // Post-processing (dry/wet, volume and balance)

  1858. 

  1859.         {

  1860.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1861.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1862.             const bool isMono    = (pData->audioIn.count == 1);

  1863. 

  1864.             bool isPair;

  1865.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1866. 

  1867.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1868.             {

  1869.                 // Dry/Wet

  1870.                 if (doDryWet)

  1871.                 {

  1872.                     const uint32_t c = isMono ? 0 : i;

  1873. 

  1874.                     for (uint32_t k=0; k < frames; ++k)

  1875.                     {

  1876.                         if (k < pData->latency.frames)

  1877.                             bufValue = pData->latency.buffers[c][k];

  1878.                         else if (pData->latency.frames < frames)

  1879.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1880.                         else

  1881.                             bufValue = fAudioInBuffers[c][k];

  1882. 

  1883.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1884.                     }

  1885.                 }

  1886. 

  1887.                 // Balance

  1888.                 if (doBalance)

  1889.                 {

  1890.                     isPair = (i % 2 == 0);

  1891. 

  1892.                     if (isPair)

  1893.                     {

  1894.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1895.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1896.                     }

  1897. 

  1898.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1899.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1900. 

  1901.                     for (uint32_t k=0; k < frames; ++k)

  1902.                     {

  1903.                         if (isPair)

  1904.                         {

  1905.                             // left

  1906.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1907.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1908.                         }

  1909.                         else

  1910.                         {

  1911.                             // right

  1912.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1913.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1914.                         }

  1915.                     }

  1916.                 }

  1917. 

  1918.                 // Volume (and buffer copy)

  1919.                 {

  1920.                     for (uint32_t k=0; k < frames; ++k)

  1921.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1922.                 }

  1923.             }

  1924. 

  1925.         } // End of Post-processing

  1926. 

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

  1928.         // Save latency values for next callback

  1929. 

  1930.         if (const uint32_t latframes = pData->latency.frames)

  1931.         {

  1932.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1933. 

  1934.             if (latframes <= frames)

  1935.             {

  1936.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1937.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1938.             }

  1939.             else

  1940.             {

  1941.                 const uint32_t diff = pData->latency.frames-frames;

  1942. 

  1943.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1944.                 {

  1945.                     // push back buffer by 'frames'

  1946.                     for (k=0; k < diff; ++k)

  1947.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1948. 

  1949.                     // put current input at the end

  1950.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1951.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1952.                 }

  1953.             }

  1954.         }

  1955. 

  1956. #else // BUILD_BRIDGE

  1957.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1958.         {

  1959.             for (uint32_t k=0; k < frames; ++k)

  1960.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1961.         }

  1962. #endif

  1963. 

  1964.         // --------------------------------------------------------------------------------------------------------

  1965. 

  1966.         pData->singleMutex.unlock();

  1967.         return true;

  1968.     }

  1969. 

  1970.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1971.     {

  1972.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1973.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1974. 

  1975.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1976.         {

  1977.             if (fAudioInBuffers[i] != nullptr)

  1978.                 delete[] fAudioInBuffers[i];

  1979. 

  1980.             fAudioInBuffers[i] = new float[newBufferSize];

  1981.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1982.         }

  1983. 

  1984.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1985.         {

  1986.             if (fAudioOutBuffers[i] != nullptr)

  1987.                 delete[] fAudioOutBuffers[i];

  1988. 

  1989.             fAudioOutBuffers[i] = new float[newBufferSize];

  1990.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  1991.         }

  1992. 

  1993.         if (fExtraStereoBuffer[0] != nullptr)

  1994.         {

  1995.             delete[] fExtraStereoBuffer[0];

  1996.             fExtraStereoBuffer[0] = nullptr;

  1997.         }

  1998. 

  1999.         if (fExtraStereoBuffer[1] != nullptr)

  2000.         {

  2001.             delete[] fExtraStereoBuffer[1];

  2002.             fExtraStereoBuffer[1] = nullptr;

  2003.         }

  2004. 

  2005.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2006.         {

  2007.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2008.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2009.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2010.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2011.         }

  2012. 

  2013.         reconnectAudioPorts();

  2014. 

  2015.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2016.     }

  2017. 

  2018.     void sampleRateChanged(const double newSampleRate) override

  2019.     {

  2020.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2021.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2022. 

  2023.         // TODO - handle UI stuff

  2024. 

  2025.         if (pData->active)

  2026.             deactivate();

  2027. 

  2028.         const std::size_t instanceCount(fHandles.count());

  2029. 

  2030.         if (fDescriptor->cleanup != nullptr)

  2031.         {

  2032.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2033.             {

  2034.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2035.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2036. 

  2037.                 try {

  2038.                     fDescriptor->cleanup(handle);

  2039.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2040.             }

  2041.         }

  2042. 

  2043.         fHandles.clear();

  2044. 

  2045.         for (std::size_t i=0; i<instanceCount; ++i)

  2046.             addInstance();

  2047. 

  2048.         reconnectAudioPorts();

  2049. 

  2050.         if (pData->active)

  2051.             activate();

  2052. 

  2053.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2054.     }

  2055. 

  2056.     void reconnectAudioPorts() const noexcept

  2057.     {

  2058.         if (fForcedStereoIn)

  2059.         {

  2060.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2061.             {

  2062.                 try {

  2063.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2064.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2065.             }

  2066. 

  2067.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2068.             {

  2069.                 try {

  2070.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2071.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2072.             }

  2073.         }

  2074.         else

  2075.         {

  2076.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2077.             {

  2078.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2079.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2080. 

  2081.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2082.                 {

  2083.                     try {

  2084.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2085.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2086.                 }

  2087.             }

  2088.         }

  2089. 

  2090.         if (fForcedStereoOut)

  2091.         {

  2092.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2093.             {

  2094.                 try {

  2095.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2096.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2097.             }

  2098. 

  2099.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2100.             {

  2101.                 try {

  2102.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2103.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2104.             }

  2105.         }

  2106.         else

  2107.         {

  2108.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2109.             {

  2110.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2111.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2112. 

  2113.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2114.                 {

  2115.                     try {

  2116.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2117.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2118.                 }

  2119.             }

  2120.         }

  2121.     }

  2122. 

  2123.     // -------------------------------------------------------------------

  2124.     // Plugin buffers

  2125. 

  2126.     void clearBuffers() noexcept override

  2127.     {

  2128.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2129. 

  2130.         if (fAudioInBuffers != nullptr)

  2131.         {

  2132.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2133.             {

  2134.                 if (fAudioInBuffers[i] != nullptr)

  2135.                 {

  2136.                     delete[] fAudioInBuffers[i];

  2137.                     fAudioInBuffers[i] = nullptr;

  2138.                 }

  2139.             }

  2140. 

  2141.             delete[] fAudioInBuffers;

  2142.             fAudioInBuffers = nullptr;

  2143.         }

  2144. 

  2145.         if (fAudioOutBuffers != nullptr)

  2146.         {

  2147.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2148.             {

  2149.                 if (fAudioOutBuffers[i] != nullptr)

  2150.                 {

  2151.                     delete[] fAudioOutBuffers[i];

  2152.                     fAudioOutBuffers[i] = nullptr;

  2153.                 }

  2154.             }

  2155. 

  2156.             delete[] fAudioOutBuffers;

  2157.             fAudioOutBuffers = nullptr;

  2158.         }

  2159. 

  2160.         if (fExtraStereoBuffer[0] != nullptr)

  2161.         {

  2162.             delete[] fExtraStereoBuffer[0];

  2163.             fExtraStereoBuffer[0] = nullptr;

  2164.         }

  2165. 

  2166.         if (fExtraStereoBuffer[1] != nullptr)

  2167.         {

  2168.             delete[] fExtraStereoBuffer[1];

  2169.             fExtraStereoBuffer[1] = nullptr;

  2170.         }

  2171. 

  2172.         if (fParamBuffers != nullptr)

  2173.         {

  2174.             delete[] fParamBuffers;

  2175.             fParamBuffers = nullptr;

  2176.         }

  2177. 

  2178.         CarlaPlugin::clearBuffers();

  2179. 

  2180.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2181.     }

  2182. 

  2183. #ifdef HAVE_LIBLO

  2184.     // -------------------------------------------------------------------

  2185.     // OSC stuff

  2186. 

  2187.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2188.     {

  2189.         const lo_address source(lo_message_get_source(msg));

  2190.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2191. 

  2192.         // protocol for DSSI UIs *must* be UDP

  2193.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2194. 

  2195.         if (fOscData.source == nullptr)

  2196.         {

  2197.             // if no UI is registered yet only "configure" and "update" messages are valid

  2198.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2199.         }

  2200.         else

  2201.         {

  2202.             // make sure message source is the DSSI UI

  2203.             const char* const msghost = lo_address_get_hostname(source);

  2204.             const char* const msgport = lo_address_get_port(source);

  2205. 

  2206.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2207.             const char* const ourport = lo_address_get_port(fOscData.source);

  2208. 

  2209.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2210.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2211.         }

  2212. 

  2213.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2214. 

  2215.         if (std::strcmp(method, "configure") == 0)

  2216.             return handleOscMessageConfigure(argc, argv, types);

  2217.         if (std::strcmp(method, "control") == 0)

  2218.             return handleOscMessageControl(argc, argv, types);

  2219.         if (std::strcmp(method, "program") == 0)

  2220.             return handleOscMessageProgram(argc, argv, types);

  2221.         if (std::strcmp(method, "midi") == 0)

  2222.             return handleOscMessageMIDI(argc, argv, types);

  2223.         if (std::strcmp(method, "update") == 0)

  2224.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2225.         if (std::strcmp(method, "exiting") == 0)

  2226.             return handleOscMessageExiting();

  2227. 

  2228.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2229.     }

  2230. 

  2231.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2232.     {

  2233.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2234.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2235. 

  2236.         const char* const key   = (const char*)&argv[0]->s;

  2237.         const char* const value = (const char*)&argv[1]->s;

  2238. 

  2239.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2240.     }

  2241. 

  2242.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2243.     {

  2244.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2245.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2246. 

  2247.         const int32_t rindex = argv[0]->i;

  2248.         const float   value  = argv[1]->f;

  2249. 

  2250.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2251.     }

  2252. 

  2253.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2254.     {

  2255.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2256.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2257. 

  2258.         const int32_t bank    = argv[0]->i;

  2259.         const int32_t program = argv[1]->i;

  2260. 

  2261.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2262.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2263. 

  2264.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2265.     }

  2266. 

  2267.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2268.     {

  2269.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2270.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2271. 

  2272.         if (getMidiInCount() == 0)

  2273.         {

  2274.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2275.             return;

  2276.         }

  2277. 

  2278.         const uint8_t* const data = argv[0]->m;

  2279.         uint8_t status  = data[1];

  2280.         uint8_t channel = status & 0x0F;

  2281. 

  2282.         // Fix bad note-off

  2283.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2284.             status = MIDI_STATUS_NOTE_OFF;

  2285. 

  2286.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2287.         {

  2288.             const uint8_t note = data[2];

  2289. 

  2290.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2291. 

  2292.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2293.         }

  2294.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2295.         {

  2296.             const uint8_t note = data[2];

  2297.             const uint8_t velo = data[3];

  2298. 

  2299.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2300.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2301. 

  2302.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2303.         }

  2304.     }

  2305. 

  2306.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2307.     {

  2308.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2309.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2310. 

  2311.         const char* const url = (const char*)&argv[0]->s;

  2312. 

  2313.         // FIXME - remove debug prints later

  2314.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2315. 

  2316.         fOscData.clear();

  2317. 

  2318.         const int proto = lo_address_get_protocol(source);

  2319. 

  2320.         {

  2321.             const char* host = lo_address_get_hostname(source);

  2322.             const char* port = lo_address_get_port(source);

  2323.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2324. 

  2325.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2326.         }

  2327. 

  2328.         {

  2329.             char* host = lo_url_get_hostname(url);

  2330.             char* port = lo_url_get_port(url);

  2331.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2332.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2333.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2334. 

  2335.             std::free(host);

  2336.             std::free(port);

  2337.         }

  2338. 

  2339.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2340. 

  2341.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2342.         {

  2343.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2344.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2345. 

  2346.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2347.                 osc_send_configure(fOscData, customData.key, customData.value);

  2348.         }

  2349. 

  2350.         if (pData->prog.current >= 0)

  2351.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2352. 

  2353.         if (pData->midiprog.current >= 0)

  2354.         {

  2355.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2356.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2357.         }

  2358. 

  2359.         for (uint32_t i=0; i < pData->param.count; ++i)

  2360.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2361. 

  2362. #ifndef BUILD_BRIDGE

  2363.         if (pData->engine->getOptions().frontendWinId != 0)

  2364.             pData->transientTryCounter = 1;

  2365. #endif

  2366. 

  2367.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2368.     }

  2369. 

  2370.     void handleOscMessageExiting()

  2371.     {

  2372.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2373. 

  2374.         // hide UI

  2375.         showCustomUI(false);

  2376. 

  2377.         // tell frontend

  2378.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2379.     }

  2380. 

  2381.     // -------------------------------------------------------------------

  2382.     // Post-poned UI Stuff

  2383. 

  2384.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2385.     {

  2386.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2387. 

  2388.         if (fOscData.target == nullptr)

  2389.             return;

  2390. 

  2391.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2392.     }

  2393. 

  2394.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2395.     {

  2396.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2397. 

  2398.         if (fOscData.target == nullptr)

  2399.             return;

  2400. 

  2401.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2402.     }

  2403. 

  2404.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2405.     {

  2406.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2407.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2408.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2409. 

  2410.         if (fOscData.target == nullptr)

  2411.             return;

  2412. 

  2413. #if 0

  2414.         uint8_t midiData[4];

  2415.         midiData[0] = 0;

  2416.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2417.         midiData[2] = note;

  2418.         midiData[3] = velo;

  2419. 

  2420.         osc_send_midi(fOscData, midiData);

  2421. #endif

  2422.     }

  2423. 

  2424.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2425.     {

  2426.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2427.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2428. 

  2429.         if (fOscData.target == nullptr)

  2430.             return;

  2431. 

  2432. #if 0

  2433.         uint8_t midiData[4];

  2434.         midiData[0] = 0;

  2435.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2436.         midiData[2] = note;

  2437.         midiData[3] = 0;

  2438. 

  2439.         osc_send_midi(fOscData, midiData);

  2440. #endif

  2441.     }

  2442. #endif // HAVE_LIBLO

  2443. 

  2444.     // -------------------------------------------------------------------

  2445. 

  2446.     const void* getNativeDescriptor() const noexcept override

  2447.     {

  2448.         return fDssiDescriptor;

  2449.     }

  2450. 

  2451. #ifdef HAVE_LIBLO

  2452.     uintptr_t getUiBridgeProcessId() const noexcept override

  2453.     {

  2454.         return fThreadUI.getProcessId();

  2455.     }

  2456. 

  2457.     const void* getExtraStuff() const noexcept override

  2458.     {

  2459.         return fUiFilename;

  2460.     }

  2461. #endif

  2462. 

  2463.     // -------------------------------------------------------------------

  2464. 

  2465.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2466.     {

  2467.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2468. 

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

  2470.         // first checks

  2471. 

  2472.         if (pData->client != nullptr)

  2473.         {

  2474.             pData->engine->setLastError("Plugin client is already registered");

  2475.             return false;

  2476.         }

  2477. 

  2478.         if (filename == nullptr || filename[0] == '\0')

  2479.         {

  2480.             pData->engine->setLastError("null filename");

  2481.             return false;

  2482.         }

  2483. 

  2484.         // ---------------------------------------------------------------

  2485.         // open DLL

  2486. 

  2487.         if (! pData->libOpen(filename))

  2488.         {

  2489.             pData->engine->setLastError(pData->libError(filename));

  2490.             return false;

  2491.         }

  2492. 

  2493.         // ---------------------------------------------------------------

  2494.         // get DLL main entry

  2495. 

  2496.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2497. 

  2498.         if (descFn == nullptr)

  2499.         {

  2500.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2501.             return false;

  2502.         }

  2503. 

  2504.         // ---------------------------------------------------------------

  2505.         // get descriptor that matches label

  2506. 

  2507.         // if label is null, get first valid plugin

  2508.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2509. 

  2510.         for (ulong d=0;; ++d)

  2511.         {

  2512.             try {

  2513.                 fDssiDescriptor = descFn(d);

  2514.             }

  2515.             catch(...) {

  2516.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2517.                 fDescriptor     = nullptr;

  2518.                 fDssiDescriptor = nullptr;

  2519.                 break;

  2520.             }

  2521. 

  2522.             if (fDssiDescriptor == nullptr)

  2523.                 break;

  2524. 

  2525.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2526. 

  2527.             if (fDescriptor == nullptr)

  2528.             {

  2529.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2530.                 fDssiDescriptor = nullptr;

  2531.                 break;

  2532.             }

  2533.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2534.             {

  2535.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2536.                 fDescriptor     = nullptr;

  2537.                 fDssiDescriptor = nullptr;

  2538.                 break;

  2539.             }

  2540.             if (fDescriptor->run == nullptr)

  2541.             {

  2542.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2543.                 fDescriptor     = nullptr;

  2544.                 fDssiDescriptor = nullptr;

  2545.                 break;

  2546.             }

  2547. 

  2548.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2549.                 break;

  2550.         }

  2551. 

  2552.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2553.         {

  2554.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2555.             return false;

  2556.         }

  2557. 

  2558.         // ---------------------------------------------------------------

  2559.         // check if uses global instance

  2560. 

  2561.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2562.         {

  2563.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2564.             return false;

  2565.         }

  2566. 

  2567.         // ---------------------------------------------------------------

  2568.         // check for fixed buffer size requirement

  2569. 

  2570.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2571. 

  2572.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2573.         {

  2574.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2575.                                         "The plugin requires a fixed block size which is not possible right now.");

  2576.             return false;

  2577.         }

  2578. 

  2579.         // ---------------------------------------------------------------

  2580.         // get info

  2581. 

  2582.         if (name == nullptr || name[0] == '\0')

  2583.         {

  2584.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2585.                 name = fDescriptor->Name;

  2586.             else

  2587.                 name = fDescriptor->Label;

  2588.         }

  2589. 

  2590.         pData->name = pData->engine->getUniquePluginName(name);

  2591.         pData->filename = carla_strdup(filename);

  2592. 

  2593.         // ---------------------------------------------------------------

  2594.         // register client

  2595. 

  2596.         pData->client = pData->engine->addClient(this);

  2597. 

  2598.         if (pData->client == nullptr || ! pData->client->isOk())

  2599.         {

  2600.             pData->engine->setLastError("Failed to register plugin client");

  2601.             return false;

  2602.         }

  2603. 

  2604.         // ---------------------------------------------------------------

  2605.         // initialize plugin

  2606. 

  2607.         if (! addInstance())

  2608.             return false;

  2609. 

  2610.         // ---------------------------------------------------------------

  2611.         // find latency port index

  2612. 

  2613.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2614.         {

  2615.             const int portType(fDescriptor->PortDescriptors[i]);

  2616. 

  2617.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2618.                 continue;

  2619. 

  2620.             const uint32_t index(iCtrl++);

  2621. 

  2622.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2623.                 continue;

  2624. 

  2625.             const char* const portName(fDescriptor->PortNames[i]);

  2626.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2627. 

  2628.             if (std::strcmp(portName, "latency")  == 0 ||

  2629.                 std::strcmp(portName, "_latency") == 0)

  2630.             {

  2631.                 fLatencyIndex = static_cast<int32_t>(index);

  2632.                 break;

  2633.             }

  2634.         }

  2635. 

  2636.         // ---------------------------------------------------------------

  2637.         // check for custom data extension

  2638. 

  2639.         if (fDssiDescriptor->configure != nullptr)

  2640.         {

  2641.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2642.             {

  2643.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2644.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2645.                     fUsesCustomData = true;

  2646. 

  2647.                 std::free(error);

  2648.             }

  2649.         }

  2650. 

  2651. #ifdef HAVE_LIBLO

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

  2653.         // check for gui

  2654. 

  2655.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2656.         {

  2657.             fUiFilename = guiFilename;

  2658.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2659.         }

  2660. #endif

  2661. 

  2662.         // ---------------------------------------------------------------

  2663.         // set default options

  2664. 

  2665.         pData->options = 0x0;

  2666. 

  2667.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2668.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2669.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2670.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2671. 

  2672.         /**/ if (pData->engine->getOptions().forceStereo)

  2673.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2674.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2675.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2676. 

  2677.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2678.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2679. 

  2680.         if (fUsesCustomData)

  2681.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2682. 

  2683.         if (fDssiDescriptor->run_synth != nullptr)

  2684.         {

  2685.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2686.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2687.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2688.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2689. 

  2690.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2691.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2692.         }

  2693. 

  2694.         return true;

  2695.     }

  2696. 

  2697.     // -------------------------------------------------------------------

  2698. 

  2699. private:

  2700.     LinkedList<LADSPA_Handle> fHandles;

  2701.     const LADSPA_Descriptor*  fDescriptor;

  2702.     const DSSI_Descriptor*    fDssiDescriptor;

  2703. 

  2704.     float** fAudioInBuffers;

  2705.     float** fAudioOutBuffers;

  2706.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2707.     float*  fParamBuffers;

  2708. 

  2709.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2710. 

  2711.     int32_t fLatencyIndex; // -1 if invalid

  2712.     bool    fForcedStereoIn;

  2713.     bool    fForcedStereoOut;

  2714.     bool    fNeedsFixedBuffers;

  2715.     bool    fUsesCustomData;

  2716. 

  2717. #ifdef HAVE_LIBLO

  2718.     CarlaOscData      fOscData;

  2719.     CarlaThreadDSSIUI fThreadUI;

  2720.     const char*       fUiFilename;

  2721. #endif

  2722. 

  2723.     // -------------------------------------------------------------------

  2724. 

  2725.     bool addInstance()

  2726.     {

  2727.         LADSPA_Handle handle;

  2728. 

  2729.         try {

  2730.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2731.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2732. 

  2733.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2734.         {

  2735.             const int32_t rindex(pData->param.data[i].rindex);

  2736.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2737. 

  2738.             try {

  2739.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2740.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2741.         }

  2742. 

  2743.         if (fHandles.append(handle))

  2744.             return true;

  2745. 

  2746.         try {

  2747.             fDescriptor->cleanup(handle);

  2748.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2749. 

  2750.         pData->engine->setLastError("Out of memory");

  2751.         return false;

  2752.     }

  2753. 

  2754.     uint32_t getSafePortCount() const noexcept

  2755.     {

  2756.         if (fDescriptor->PortCount == 0)

  2757.             return 0;

  2758. 

  2759.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2760.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2761.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2762. 

  2763.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2764.     }

  2765. 

  2766.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2767.     {

  2768.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2769.             return true;

  2770.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2771.             return true;

  2772.         return false;

  2773.     }

  2774. 

  2775.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2776.                                                      const bool wantName, const bool useBracket) noexcept

  2777.     {

  2778.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2779. 

  2780.         if (sepBracketStart == nullptr)

  2781.             return false;

  2782. 

  2783.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2784. 

  2785.         if (sepBracketEnd == nullptr)

  2786.             return false;

  2787. 

  2788.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2789. 

  2790.         if (unitSize > 7) // very unlikely to have such big unit

  2791.             return false;

  2792. 

  2793.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2794. 

  2795.         // just in case

  2796.         if (sepIndex+2 >= STR_MAX)

  2797.             return false;

  2798. 

  2799.         if (wantName)

  2800.         {

  2801.             std::strncpy(strBuf, paramName, sepIndex);

  2802.             strBuf[sepIndex] = '\0';

  2803.         }

  2804.         else

  2805.         {

  2806.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2807.             strBuf[unitSize] = '\0';

  2808.         }

  2809. 

  2810.         return true;

  2811.     }

  2812. 

  2813.     // -------------------------------------------------------------------

  2814. 

  2815.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2816. };

  2817. 

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

  2819. 

  2820. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2821. {

  2822.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2823.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2824. 

  2825.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2826. 

  2827.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2828.     {

  2829.         delete plugin;

  2830.         return nullptr;

  2831.     }

  2832. 

  2833.     return plugin;

  2834. }

  2835. 

  2836. // -------------------------------------------------------------------------------------------------------------------

  2837. 

  2838. CARLA_BACKEND_END_NAMESPACE