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Carla/source/backend/plugin/CarlaPluginDSSI.cpp

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2019 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. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

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

  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(true, true,

  116.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  117.                               kPlugin->getId(),

  118.                               0,

  119.                               0, 0, 0.0f, nullptr);

  120.             return;

  121.         }

  122. 

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

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

  125. 

  126.         if (name.isEmpty())

  127.             name = "(none)";

  128. 

  129.         if (filename.isEmpty())

  130.             filename = "\"\"";

  131. 

  132.         StringArray arguments;

  133. 

  134.         // binary

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

  136. 

  137.         // osc-url

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

  139. 

  140.         // filename

  141.         arguments.add(filename);

  142. 

  143.         // label

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

  145. 

  146.         // ui-title

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

  148. 

  149.         bool started;

  150. 

  151.         {

  152. #ifdef CARLA_OS_LINUX

  153.             /*

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

  155.              * If not, unset LD_PRELOAD.

  156.              */

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

  158. 

  159.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  160.             char winIdStr[STR_MAX+1];

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

  162. 

  163.             // for LD_PRELOAD

  164.             CarlaString ldPreloadValue;

  165. 

  166.             if (winId != 0)

  167.             {

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

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

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

  171.             }

  172.             else

  173.             {

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

  175.             }

  176. 

  177.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  180. #endif // CARLA_OS_LINUX

  181. 

  182.             // start the DSSI UI application

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

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

  185.         }

  186. 

  187.         if (! started)

  188.         {

  189.             carla_stdout("failed!");

  190.             fProcess = nullptr;

  191.             return;

  192.         }

  193. 

  194.         if (waitForOscGuiShow())

  195.         {

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

  197.                 carla_sleep(1);

  198. 

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

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

  201.             {

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

  203. 

  204.                 if (fProcess->isRunning())

  205.                 {

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

  207.                     fProcess->kill();

  208.                 }

  209.                 else

  210.                 {

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

  212.                 }

  213.             }

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

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

  216.             else

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

  218.         }

  219.         else

  220.         {

  221.             fProcess->kill();

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

  223.         }

  224. 

  225.         fProcess = nullptr;

  226.         kEngine->callback(true, true,

  227.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  228.                           kPlugin->getId(),

  229.                           0,

  230.                           0, 0, 0.0f, nullptr);

  231. 

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

  233.     }

  234. 

  235. private:

  236.     CarlaEngine* const kEngine;

  237.     CarlaPlugin* const kPlugin;

  238. 

  239.     CarlaString fBinary;

  240.     CarlaString fLabel;

  241. 

  242.     const CarlaOscData&         fOscData;

  243.     ScopedPointer<ChildProcess> fProcess;

  244. 

  245.     bool waitForOscGuiShow()

  246.     {

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

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

  249. 

  250.         // wait for UI 'update' call

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

  252.         {

  253.             if (fOscData.target != nullptr)

  254.             {

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

  256.                 osc_send_show(fOscData);

  257.                 return true;

  258.             }

  259. 

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

  261.                 carla_msleep(100);

  262.             else

  263.                 return false;

  264.         }

  265. 

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

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

  268.         return false;

  269.     }

  270. 

  271.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  272. };

  273. #endif

  274. 

  275. // -----------------------------------------------------

  276. 

  277. class CarlaPluginDSSI : public CarlaPlugin

  278. {

  279. public:

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

  281.         : CarlaPlugin(engine, id),

  282.           fHandles(),

  283.           fDescriptor(nullptr),

  284.           fDssiDescriptor(nullptr),

  285.           fAudioInBuffers(nullptr),

  286.           fAudioOutBuffers(nullptr),

  287.           fExtraStereoBuffer(),

  288.           fParamBuffers(nullptr),

  289.           fLatencyIndex(-1),

  290.           fForcedStereoIn(false),

  291.           fForcedStereoOut(false),

  292.           fNeedsFixedBuffers(false),

  293.           fUsesCustomData(false)

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

  295.         , fOscData(),

  296.           fThreadUI(engine, this, fOscData),

  297.           fUiFilename(nullptr)

  298. #endif

  299.     {

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

  301. 

  302.         carla_zeroPointers(fExtraStereoBuffer, 2);

  303.     }

  304. 

  305.     ~CarlaPluginDSSI() noexcept override

  306.     {

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

  308. 

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

  310.         // close UI

  311.         if (fUiFilename != nullptr)

  312.         {

  313.             showCustomUI(false);

  314. 

  315.             delete[] fUiFilename;

  316.             fUiFilename = nullptr;

  317.         }

  318. #endif

  319. 

  320.         pData->singleMutex.lock();

  321.         pData->masterMutex.lock();

  322. 

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

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

  325. 

  326.         if (pData->active)

  327.         {

  328.             deactivate();

  329.             pData->active = false;

  330.         }

  331. 

  332.         if (fDescriptor != nullptr)

  333.         {

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

  335.             {

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

  337.                 {

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

  339.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  340. 

  341.                     try {

  342.                         fDescriptor->cleanup(handle);

  343.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  344.                 }

  345.             }

  346. 

  347.             fHandles.clear();

  348.             fDescriptor = nullptr;

  349.             fDssiDescriptor = nullptr;

  350.         }

  351. 

  352.         clearBuffers();

  353.     }

  354. 

  355.     // -------------------------------------------------------------------

  356.     // Information (base)

  357. 

  358.     PluginType getType() const noexcept override

  359.     {

  360.         return PLUGIN_DSSI;

  361.     }

  362. 

  363.     PluginCategory getCategory() const noexcept override

  364.     {

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

  366. 

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

  368.             return PLUGIN_CATEGORY_SYNTH;

  369. 

  370.         return CarlaPlugin::getCategory();

  371.     }

  372. 

  373.     int64_t getUniqueId() const noexcept override

  374.     {

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

  376. 

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

  378.     }

  379. 

  380.     uint32_t getLatencyInFrames() const noexcept override

  381.     {

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

  383.             return 0;

  384. 

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

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

  387. 

  388.         return static_cast<uint32_t>(latency);

  389.     }

  390. 

  391.     // -------------------------------------------------------------------

  392.     // Information (count)

  393. 

  394.     // nothing

  395. 

  396.     // -------------------------------------------------------------------

  397.     // Information (current data)

  398. 

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

  400.     {

  401.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  407. 

  408.         *dataPtr = nullptr;

  409. 

  410.         int ret = 0;

  411.         ulong dataSize = 0;

  412. 

  413.         try {

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

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

  416. 

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

  418.     }

  419. 

  420.     // -------------------------------------------------------------------

  421.     // Information (per-plugin data)

  422. 

  423.     uint getOptionsAvailable() const noexcept override

  424.     {

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

  426. 

  427.         uint options = 0x0;

  428. 

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

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

  431.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  432. 

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

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

  435.             pass();

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

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

  438.             options |= PLUGIN_OPTION_FORCE_STEREO;

  439. 

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

  441.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  442. 

  443.         if (fUsesCustomData)

  444.             options |= PLUGIN_OPTION_USE_CHUNKS;

  445. 

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

  447.         {

  448.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  449.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  450.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  451.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  452.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  453.         }

  454. 

  455.         return options;

  456.     }

  457. 

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

  459.     {

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

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

  462. 

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

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

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

  466. 

  467.         // not output, should be fine

  468.         return fParamBuffers[parameterId];

  469.     }

  470. 

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

  472.     {

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

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

  475. 

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

  477.     }

  478. 

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

  480.     {

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

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

  483. 

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

  485.     }

  486. 

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

  488.     {

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

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

  491. 

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

  493.     }

  494. 

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

  496.     {

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

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

  499. 

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

  501.     }

  502. 

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

  504.     {

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

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

  507. 

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

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

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

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

  512. 

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

  514.             return;

  515. 

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

  517.     }

  518. 

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

  520.     {

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

  522. 

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

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

  525. 

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

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

  528. 

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

  530.             return;

  531. 

  532.         nullStrBuf(strBuf);

  533.     }

  534. 

  535.     // -------------------------------------------------------------------

  536.     // Set data (state)

  537. 

  538.     // nothing

  539. 

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

  541.     // Set data (internal stuff)

  542. 

  543.     void setId(const uint newId) noexcept override

  544.     {

  545.         CarlaPlugin::setId(newId);

  546. 

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

  548.         // FIXME - must be RT safe

  549.         showCustomUI(false);

  550.     }

  551. 

  552.     // -------------------------------------------------------------------

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

  554. 

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

  556.     {

  557.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  559. 

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

  561.         fParamBuffers[parameterId] = fixedValue;

  562. 

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

  564.     }

  565. 

  566.     void setParameterValueRT(const uint32_t parameterId, const float value) noexcept override

  567.     {

  568.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  570. 

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

  572.         fParamBuffers[parameterId] = fixedValue;

  573. 

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

  575.     }

  576. 

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

  578.     {

  579.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  582.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  584. 

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

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

  587. 

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

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

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

  591. 

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

  593.         {

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

  595.             {

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

  597.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  598. 

  599.                 try {

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

  601.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  602.             }

  603.         }

  604. 

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

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

  607.             osc_send_configure(fOscData, key, value);

  608. #endif

  609. 

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

  611.         {

  612.             const ScopedSingleProcessLocker spl(this, true);

  613.             reloadPrograms(false);

  614.         }

  615. 

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

  617.     }

  618. 

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

  620.     {

  621.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  623.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  625.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  626.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  627. 

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

  629.         {

  630.             const ScopedSingleProcessLocker spl(this, true);

  631. 

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

  633.             {

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

  635.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  636. 

  637.                 try {

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

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

  640.             }

  641.         }

  642. 

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

  644.     }

  645. 

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

  647.     {

  648.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  651.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,);

  652. 

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

  654.         {

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

  656. 

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

  658.         }

  659. 

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

  661.     }

  662. 

  663.     void setMidiProgramRT(const uint32_t uindex) noexcept override

  664.     {

  665.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  668. 

  669.         setMidiProgramInDSSI(uindex);

  670. 

  671.         CarlaPlugin::setMidiProgramRT(uindex);

  672.     }

  673. 

  674.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  675.     {

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

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

  678. 

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

  680.         {

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

  682.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  683. 

  684.             try {

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

  686.             } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  687.         }

  688.     }

  689. 

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

  691.     // -------------------------------------------------------------------

  692.     // Set ui stuff

  693. 

  694.     void showCustomUI(const bool yesNo) override

  695.     {

  696.         if (yesNo)

  697.         {

  698.             fOscData.clear();

  699.             fThreadUI.startThread();

  700.         }

  701.         else

  702.         {

  703. #ifndef BUILD_BRIDGE

  704.             pData->transientTryCounter = 0;

  705. #endif

  706. 

  707.             if (fOscData.target != nullptr)

  708.             {

  709.                 osc_send_hide(fOscData);

  710.                 osc_send_quit(fOscData);

  711.                 fOscData.clear();

  712.             }

  713. 

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

  715.         }

  716.     }

  717. #endif

  718. 

  719.     // -------------------------------------------------------------------

  720.     // Plugin state

  721. 

  722.     void reload() override

  723.     {

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

  725.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  726.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  729. 

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

  731. 

  732.         // Safely disable plugin for reload

  733.         const ScopedDisabler sd(this);

  734. 

  735.         if (pData->active)

  736.             deactivate();

  737. 

  738.         clearBuffers();

  739. 

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

  741.         const uint32_t portCount(getSafePortCount());

  742. 

  743.         uint32_t aIns, aOuts, mIns, params;

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

  745. 

  746.         bool forcedStereoIn, forcedStereoOut;

  747.         forcedStereoIn = forcedStereoOut = false;

  748. 

  749.         bool needsCtrlIn, needsCtrlOut;

  750.         needsCtrlIn = needsCtrlOut = false;

  751. 

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

  753.         {

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

  755. 

  756.             if (LADSPA_IS_PORT_AUDIO(portType))

  757.             {

  758.                 if (LADSPA_IS_PORT_INPUT(portType))

  759.                     aIns += 1;

  760.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  761.                     aOuts += 1;

  762.             }

  763.             else if (LADSPA_IS_PORT_CONTROL(portType))

  764.                 params += 1;

  765.         }

  766. 

  767.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  768.         {

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

  770.             {

  771.                 if (aIns == 1)

  772.                 {

  773.                     aIns = 2;

  774.                     forcedStereoIn = true;

  775.                 }

  776.                 if (aOuts == 1)

  777.                 {

  778.                     aOuts = 2;

  779.                     forcedStereoOut = true;

  780.                 }

  781.             }

  782.         }

  783. 

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

  785.         {

  786.             mIns = 1;

  787.             needsCtrlIn = true;

  788.         }

  789. 

  790.         if (aIns > 0)

  791.         {

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

  793.             fAudioInBuffers = new float*[aIns];

  794. 

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

  796.                 fAudioInBuffers[i] = nullptr;

  797.         }

  798. 

  799.         if (aOuts > 0)

  800.         {

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

  802.             fAudioOutBuffers = new float*[aOuts];

  803.             needsCtrlIn = true;

  804. 

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

  806.                 fAudioOutBuffers[i] = nullptr;

  807.         }

  808. 

  809.         if (params > 0)

  810.         {

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

  812. 

  813.             fParamBuffers = new float[params];

  814.             carla_zeroFloats(fParamBuffers, params);

  815.         }

  816. 

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

  818.         CarlaString portName;

  819. 

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

  821.         {

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

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

  824. 

  825.             if (LADSPA_IS_PORT_AUDIO(portType))

  826.             {

  827.                 portName.clear();

  828. 

  829.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  830.                 {

  831.                     portName  = pData->name;

  832.                     portName += ":";

  833.                 }

  834. 

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

  836.                 {

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

  838.                 }

  839.                 else

  840.                 {

  841.                     if (LADSPA_IS_PORT_INPUT(portType))

  842.                     {

  843.                         if (aIns > 1)

  844.                         {

  845.                             portName += "audio-in_";

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

  847.                         }

  848.                         else

  849.                             portName += "audio-in";

  850.                     }

  851.                     else

  852.                     {

  853.                         if (aOuts > 1)

  854.                         {

  855.                             portName += "audio-out_";

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

  857.                         }

  858.                         else

  859.                             portName += "audio-out";

  860.                     }

  861.                 }

  862. 

  863.                 portName.truncate(portNameSize);

  864. 

  865.                 if (LADSPA_IS_PORT_INPUT(portType))

  866.                 {

  867.                     const uint32_t j = iAudioIn++;

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

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

  870. 

  871.                     if (forcedStereoIn)

  872.                     {

  873.                         portName += "_2";

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

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

  876.                     }

  877.                 }

  878.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  879.                 {

  880.                     const uint32_t j = iAudioOut++;

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

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

  883. 

  884.                     if (forcedStereoOut)

  885.                     {

  886.                         portName += "_2";

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

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

  889.                     }

  890.                 }

  891.                 else

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

  893.             }

  894.             else if (LADSPA_IS_PORT_CONTROL(portType))

  895.             {

  896.                 const uint32_t j = iCtrl++;

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

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

  899. 

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

  901. 

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

  903. 

  904.                 // min value

  905.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  906.                     min = portRangeHints.LowerBound;

  907.                 else

  908.                     min = 0.0f;

  909. 

  910.                 // max value

  911.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  912.                     max = portRangeHints.UpperBound;

  913.                 else

  914.                     max = 1.0f;

  915. 

  916.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  917.                 {

  918.                     min *= sampleRate;

  919.                     max *= sampleRate;

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

  921.                 }

  922. 

  923.                 if (min >= max)

  924.                 {

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

  926.                     max = min + 0.1f;

  927.                 }

  928. 

  929.                 // default value

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

  931. 

  932.                 if (def < min)

  933.                     def = min;

  934.                 else if (def > max)

  935.                     def = max;

  936. 

  937.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  938.                 {

  939.                     step = max - min;

  940.                     stepSmall = step;

  941.                     stepLarge = step;

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

  943.                 }

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

  945.                 {

  946.                     step = 1.0f;

  947.                     stepSmall = 1.0f;

  948.                     stepLarge = 10.0f;

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

  950.                 }

  951.                 else

  952.                 {

  953.                     const float range = max - min;

  954.                     step = range/100.0f;

  955.                     stepSmall = range/1000.0f;

  956.                     stepLarge = range/10.0f;

  957.                 }

  958. 

  959.                 if (LADSPA_IS_PORT_INPUT(portType))

  960.                 {

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

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

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

  964.                     needsCtrlIn = true;

  965. 

  966.                     // MIDI CC value

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

  968.                     {

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

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

  971.                         {

  972.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  973.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  975.                         }

  976.                     }

  977.                 }

  978.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  979.                 {

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

  981. 

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

  983.                     {

  984.                         min = 0.0f;

  985.                         max = sampleRate;

  986.                         def = 0.0f;

  987.                         step = 1.0f;

  988.                         stepSmall = 1.0f;

  989.                         stepLarge = 1.0f;

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

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

  992.                     }

  993.                     else

  994.                     {

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

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

  997.                         needsCtrlOut = true;

  998.                     }

  999.                 }

  1000.                 else

  1001.                 {

  1002.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1003.                 }

  1004. 

  1005.                 // extra parameter hints

  1006.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1007.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1008. 

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

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

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

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

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

  1014.                 pData->param.ranges[j].stepLarge = stepLarge;

  1015. 

  1016.                 // Start parameters in their default values

  1017.                 fParamBuffers[j] = def;

  1018. 

  1019.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1020.                 {

  1021.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1022.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1023. 

  1024.                     try {

  1025.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1026.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1027.                 }

  1028.             }

  1029.             else

  1030.             {

  1031.                 // Not Audio or Control

  1032.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1033. 

  1034.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1035.                 {

  1036.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1037.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1038. 

  1039.                     try {

  1040.                         fDescriptor->connect_port(handle, i, nullptr);

  1041.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1042.                 }

  1043.             }

  1044.         }

  1045. 

  1046.         if (needsCtrlIn)

  1047.         {

  1048.             portName.clear();

  1049. 

  1050.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1051.             {

  1052.                 portName  = pData->name;

  1053.                 portName += ":";

  1054.             }

  1055. 

  1056.             portName += "events-in";

  1057.             portName.truncate(portNameSize);

  1058. 

  1059.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1060.         }

  1061. 

  1062.         if (needsCtrlOut)

  1063.         {

  1064.             portName.clear();

  1065. 

  1066.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1067.             {

  1068.                 portName  = pData->name;

  1069.                 portName += ":";

  1070.             }

  1071. 

  1072.             portName += "events-out";

  1073.             portName.truncate(portNameSize);

  1074. 

  1075.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1076.         }

  1077. 

  1078.         if (forcedStereoIn || forcedStereoOut)

  1079.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1080.         else

  1081.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1082. 

  1083.         // plugin hints

  1084.         pData->hints = 0x0;

  1085. 

  1086.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1087.             pData->hints |= PLUGIN_IS_RTSAFE;

  1088. 

  1089. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1090.         if (fUiFilename != nullptr)

  1091.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1092. #endif

  1093. 

  1094. #ifndef BUILD_BRIDGE

  1095.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1096.             pData->hints |= PLUGIN_CAN_DRYWET;

  1097. 

  1098.         if (aOuts > 0)

  1099.             pData->hints |= PLUGIN_CAN_VOLUME;

  1100. 

  1101.         if (aOuts >= 2 && aOuts % 2 == 0)

  1102.             pData->hints |= PLUGIN_CAN_BALANCE;

  1103. #endif

  1104. 

  1105.         // extra plugin hints

  1106.         pData->extraHints = 0x0;

  1107. 

  1108.         if (mIns > 0)

  1109.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1110. 

  1111.         // check initial latency

  1112.         findInitialLatencyValue(aIns, aOuts);

  1113. 

  1114.         fForcedStereoIn  = forcedStereoIn;

  1115.         fForcedStereoOut = forcedStereoOut;

  1116. 

  1117.         bufferSizeChanged(pData->engine->getBufferSize());

  1118.         reloadPrograms(true);

  1119. 

  1120.         if (pData->active)

  1121.             activate();

  1122. 

  1123.         carla_debug("CarlaPluginDSSI::reload() - end");

  1124.     }

  1125. 

  1126.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1127.     {

  1128.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1129.             return;

  1130. 

  1131.         // we need to pre-run the plugin so it can update its latency control-port

  1132.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1133.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1134. 

  1135.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1136.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1137. 

  1138.         for (uint32_t j=0; j < aIns; ++j)

  1139.         {

  1140.             tmpIn[j][0] = 0.0f;

  1141.             tmpIn[j][1] = 0.0f;

  1142. 

  1143.             try {

  1144.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1145.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1146.         }

  1147. 

  1148.         for (uint32_t j=0; j < aOuts; ++j)

  1149.         {

  1150.             tmpOut[j][0] = 0.0f;

  1151.             tmpOut[j][1] = 0.0f;

  1152. 

  1153.             try {

  1154.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1155.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1156.         }

  1157. 

  1158.         if (fDescriptor->activate != nullptr)

  1159.         {

  1160.             try {

  1161.                 fDescriptor->activate(handle);

  1162.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1163.         }

  1164. 

  1165.         try {

  1166.             fDescriptor->run(handle, 2);

  1167.         } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1168. 

  1169.         if (fDescriptor->deactivate != nullptr)

  1170.         {

  1171.             try {

  1172.                 fDescriptor->deactivate(handle);

  1173.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1174.         }

  1175. 

  1176.         // done, let's get the value

  1177.         if (const uint32_t latency = getLatencyInFrames())

  1178.         {

  1179.             pData->client->setLatency(latency);

  1180. #ifndef BUILD_BRIDGE

  1181.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1182. #endif

  1183.         }

  1184.     }

  1185. 

  1186.     void reloadPrograms(const bool doInit) override

  1187.     {

  1188.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1189. 

  1190.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1191.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1192. 

  1193.         const uint32_t oldCount = pData->midiprog.count;

  1194.         const int32_t  current  = pData->midiprog.current;

  1195. 

  1196.         // Delete old programs

  1197.         pData->midiprog.clear();

  1198. 

  1199.         // Query new programs

  1200.         uint32_t newCount = 0;

  1201.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1202.         {

  1203.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1204.                 ++newCount;

  1205.         }

  1206. 

  1207.         if (newCount > 0)

  1208.         {

  1209.             pData->midiprog.createNew(newCount);

  1210. 

  1211.             // Update data

  1212.             for (uint32_t i=0; i < newCount; ++i)

  1213.             {

  1214.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1215.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1216.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1217. 

  1218.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1219.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1220.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1221.             }

  1222.         }

  1223. 

  1224.         if (doInit)

  1225.         {

  1226.             if (newCount > 0)

  1227.                 setMidiProgram(0, false, false, false, true);

  1228.         }

  1229.         else

  1230.         {

  1231.             // Check if current program is invalid

  1232.             bool programChanged = false;

  1233. 

  1234.             if (newCount == oldCount+1)

  1235.             {

  1236.                 // one midi program added, probably created by user

  1237.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1238.                 programChanged = true;

  1239.             }

  1240.             else if (current < 0 && newCount > 0)

  1241.             {

  1242.                 // programs exist now, but not before

  1243.                 pData->midiprog.current = 0;

  1244.                 programChanged = true;

  1245.             }

  1246.             else if (current >= 0 && newCount == 0)

  1247.             {

  1248.                 // programs existed before, but not anymore

  1249.                 pData->midiprog.current = -1;

  1250.                 programChanged = true;

  1251.             }

  1252.             else if (current >= static_cast<int32_t>(newCount))

  1253.             {

  1254.                 // current midi program > count

  1255.                 pData->midiprog.current = 0;

  1256.                 programChanged = true;

  1257.             }

  1258.             else

  1259.             {

  1260.                 // no change

  1261.                 pData->midiprog.current = current;

  1262.             }

  1263. 

  1264.             if (programChanged)

  1265.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1266. 

  1267.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1268.         }

  1269.     }

  1270. 

  1271.     // -------------------------------------------------------------------

  1272.     // Plugin processing

  1273. 

  1274.     void activate() noexcept override

  1275.     {

  1276.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1277. 

  1278.         if (fDescriptor->activate != nullptr)

  1279.         {

  1280.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1281.             {

  1282.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1283.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1284. 

  1285.                 try {

  1286.                     fDescriptor->activate(handle);

  1287.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1288.             }

  1289.         }

  1290.     }

  1291. 

  1292.     void deactivate() noexcept override

  1293.     {

  1294.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1295. 

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

  1297.         {

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

  1299.             {

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

  1301.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1302. 

  1303.                 try {

  1304.                     fDescriptor->deactivate(handle);

  1305.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1306.             }

  1307.         }

  1308.     }

  1309. 

  1310.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1311.     {

  1312.         // --------------------------------------------------------------------------------------------------------

  1313.         // Check if active

  1314. 

  1315.         if (! pData->active)

  1316.         {

  1317.             // disable any output sound

  1318.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1319.                 carla_zeroFloats(audioOut[i], frames);

  1320.             return;

  1321.         }

  1322. 

  1323.         ulong midiEventCount = 0;

  1324.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1325. 

  1326.         // --------------------------------------------------------------------------------------------------------

  1327.         // Check if needs reset

  1328. 

  1329.         if (pData->needsReset)

  1330.         {

  1331.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1332.             {

  1333.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1334. 

  1335.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1336.                 {

  1337.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1338.                     fMidiEvents[i].data.control.channel = i;

  1339.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1340. 

  1341.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1342.                     fMidiEvents[k+i].data.control.channel = i;

  1343.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1344.                 }

  1345.             }

  1346.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1347.             {

  1348.                 midiEventCount = MAX_MIDI_NOTE;

  1349. 

  1350.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1351.                 {

  1352.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1353.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1354.                     fMidiEvents[i].data.note.note    = i;

  1355.                 }

  1356.             }

  1357. 

  1358.             pData->needsReset = false;

  1359.         }

  1360. 

  1361.         // --------------------------------------------------------------------------------------------------------

  1362.         // Event Input and Processing

  1363. 

  1364.         if (pData->event.portIn != nullptr)

  1365.         {

  1366.             // ----------------------------------------------------------------------------------------------------

  1367.             // MIDI Input (External)

  1368. 

  1369.             if (pData->extNotes.mutex.tryLock())

  1370.             {

  1371.                 ExternalMidiNote note = { 0, 0, 0 };

  1372. 

  1373.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1374.                 {

  1375.                     note = pData->extNotes.data.getFirst(note, true);

  1376.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1377. 

  1378.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1379. 

  1380.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1381.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1382.                     seqEvent.data.note.note     = note.note;

  1383.                     seqEvent.data.note.velocity = note.velo;

  1384.                 }

  1385. 

  1386.                 pData->extNotes.mutex.unlock();

  1387. 

  1388.             } // End of MIDI Input (External)

  1389. 

  1390.             // ----------------------------------------------------------------------------------------------------

  1391.             // Event Input (System)

  1392. 

  1393. #ifndef BUILD_BRIDGE

  1394.             bool allNotesOffSent = false;

  1395. #endif

  1396.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1397. 

  1398.             uint32_t startTime  = 0;

  1399.             uint32_t timeOffset = 0;

  1400.             uint32_t nextBankId;

  1401. 

  1402.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1403.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1404.             else

  1405.                 nextBankId = 0;

  1406. 

  1407.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1408.             {

  1409.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1410. 

  1411.                 uint32_t eventTime = event.time;

  1412.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1413. 

  1414.                 if (eventTime < timeOffset)

  1415.                 {

  1416.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1417.                                   eventTime, timeOffset, pData->name);

  1418.                     eventTime = timeOffset;

  1419.                 }

  1420. 

  1421.                 if (isSampleAccurate && eventTime > timeOffset)

  1422.                 {

  1423.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1424.                     {

  1425.                         startTime  = 0;

  1426.                         timeOffset = eventTime;

  1427.                         midiEventCount = 0;

  1428. 

  1429.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1430.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1431.                         else

  1432.                             nextBankId = 0;

  1433.                     }

  1434.                     else

  1435.                         startTime += timeOffset;

  1436.                 }

  1437. 

  1438.                 switch (event.type)

  1439.                 {

  1440.                 case kEngineEventTypeNull:

  1441.                     break;

  1442. 

  1443.                 case kEngineEventTypeControl: {

  1444.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1445. 

  1446.                     switch (ctrlEvent.type)

  1447.                     {

  1448.                     case kEngineControlEventTypeNull:

  1449.                         break;

  1450. 

  1451.                     case kEngineControlEventTypeParameter: {

  1452. #ifndef BUILD_BRIDGE

  1453.                         // Control backend stuff

  1454.                         if (event.channel == pData->ctrlChannel)

  1455.                         {

  1456.                             float value;

  1457. 

  1458.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1459.                             {

  1460.                                 value = ctrlEvent.value;

  1461.                                 setDryWetRT(value);

  1462.                             }

  1463. 

  1464.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1465.                             {

  1466.                                 value = ctrlEvent.value*127.0f/100.0f;

  1467.                                 setVolumeRT(value);

  1468.                             }

  1469. 

  1470.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1471.                             {

  1472.                                 float left, right;

  1473.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1474. 

  1475.                                 if (value < 0.0f)

  1476.                                 {

  1477.                                     left  = -1.0f;

  1478.                                     right = (value*2.0f)+1.0f;

  1479.                                 }

  1480.                                 else if (value > 0.0f)

  1481.                                 {

  1482.                                     left  = (value*2.0f)-1.0f;

  1483.                                     right = 1.0f;

  1484.                                 }

  1485.                                 else

  1486.                                 {

  1487.                                     left  = -1.0f;

  1488.                                     right = 1.0f;

  1489.                                 }

  1490. 

  1491.                                 setBalanceLeftRT(left);

  1492.                                 setBalanceRightRT(right);

  1493.                             }

  1494.                         }

  1495. #endif

  1496.                         // Control plugin parameters

  1497.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1498.                         {

  1499.                             if (pData->param.data[k].midiChannel != event.channel)

  1500.                                 continue;

  1501.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1502.                                 continue;

  1503.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1504.                                 continue;

  1505.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1506.                                 continue;

  1507. 

  1508.                             float value;

  1509. 

  1510.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1511.                             {

  1512.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1513.                             }

  1514.                             else

  1515.                             {

  1516.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1517.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1518.                                 else

  1519.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1520. 

  1521.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1522.                                     value = std::rint(value);

  1523.                             }

  1524. 

  1525.                             setParameterValueRT(k, value);

  1526.                         }

  1527. 

  1528.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1529.                         {

  1530.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1531.                                 continue;

  1532. 

  1533.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1534. 

  1535.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1536. 

  1537.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1538.                             seqEvent.data.control.channel = event.channel;

  1539.                             seqEvent.data.control.param   = ctrlEvent.param;

  1540.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1541.                         }

  1542. 

  1543.                         break;

  1544.                     } // case kEngineControlEventTypeParameter

  1545. 

  1546.                     case kEngineControlEventTypeMidiBank:

  1547.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1548.                             nextBankId = ctrlEvent.param;

  1549.                         break;

  1550. 

  1551.                     case kEngineControlEventTypeMidiProgram:

  1552.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1553.                         {

  1554.                             const uint32_t nextProgramId = ctrlEvent.param;

  1555. 

  1556.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1557.                             {

  1558.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1559.                                 {

  1560.                                     setMidiProgramRT(k);

  1561.                                     break;

  1562.                                 }

  1563.                             }

  1564.                         }

  1565.                         break;

  1566. 

  1567.                     case kEngineControlEventTypeAllSoundOff:

  1568.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1569.                         {

  1570.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1571.                                 continue;

  1572. 

  1573.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1574. 

  1575.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1576. 

  1577.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1578.                             seqEvent.data.control.channel = event.channel;

  1579.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1580.                         }

  1581.                         break;

  1582. 

  1583.                     case kEngineControlEventTypeAllNotesOff:

  1584.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1585.                         {

  1586. #ifndef BUILD_BRIDGE

  1587.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1588.                             {

  1589.                                 allNotesOffSent = true;

  1590.                                 postponeRtAllNotesOff();

  1591.                             }

  1592. #endif

  1593. 

  1594.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1595.                                 continue;

  1596. 

  1597.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1598. 

  1599.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1600. 

  1601.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1602.                             seqEvent.data.control.channel = event.channel;

  1603.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1604.                         }

  1605.                         break;

  1606.                     } // switch (ctrlEvent.type)

  1607.                     break;

  1608.                 } // case kEngineEventTypeControl

  1609. 

  1610.                 case kEngineEventTypeMidi: {

  1611.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1612.                         continue;

  1613. 

  1614.                     const EngineMidiEvent& midiEvent(event.midi);

  1615. 

  1616.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1617.                         continue;

  1618. 

  1619.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1620. 

  1621.                     // Fix bad note-off (per DSSI spec)

  1622.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1623.                         status = MIDI_STATUS_NOTE_OFF;

  1624. 

  1625.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1626. 

  1627.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1628. 

  1629.                     switch (status)

  1630.                     {

  1631.                     case MIDI_STATUS_NOTE_OFF: {

  1632.                         const uint8_t note = midiEvent.data[1];

  1633. 

  1634.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1635.                         seqEvent.data.note.channel = event.channel;

  1636.                         seqEvent.data.note.note    = note;

  1637. 

  1638.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0, 0.0f);

  1639.                         break;

  1640.                     }

  1641. 

  1642.                     case MIDI_STATUS_NOTE_ON: {

  1643.                         const uint8_t note = midiEvent.data[1];

  1644.                         const uint8_t velo = midiEvent.data[2];

  1645. 

  1646.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1647.                         seqEvent.data.note.channel  = event.channel;

  1648.                         seqEvent.data.note.note     = note;

  1649.                         seqEvent.data.note.velocity = velo;

  1650. 

  1651.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo, 0.0f);

  1652.                         break;

  1653.                     }

  1654. 

  1655.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1656.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1657.                         {

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

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

  1660. 

  1661.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1663.                             seqEvent.data.note.note     = note;

  1664.                             seqEvent.data.note.velocity = pressure;

  1665.                         }

  1666.                         break;

  1667. 

  1668.                     case MIDI_STATUS_CONTROL_CHANGE:

  1669.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1670.                         {

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

  1672.                             const uint8_t value   = midiEvent.data[2];

  1673. 

  1674.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1675.                             seqEvent.data.control.channel = event.channel;

  1676.                             seqEvent.data.control.param   = control;

  1677.                             seqEvent.data.control.value   = value;

  1678.                         }

  1679.                         break;

  1680. 

  1681.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1682.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1683.                         {

  1684.                             const uint8_t pressure = midiEvent.data[1];

  1685. 

  1686.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1687.                             seqEvent.data.control.channel = event.channel;

  1688.                             seqEvent.data.control.value   = pressure;

  1689.                         }

  1690.                         break;

  1691. 

  1692.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1693.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1694.                         {

  1695.                             const uint8_t lsb = midiEvent.data[1];

  1696.                             const uint8_t msb = midiEvent.data[2];

  1697. 

  1698.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1699.                             seqEvent.data.control.channel = event.channel;

  1700.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1701.                         }

  1702.                         break;

  1703. 

  1704.                     default:

  1705.                         --midiEventCount;

  1706.                         break;

  1707.                     } // switch (status)

  1708.                 } break;

  1709.                 } // switch (event.type)

  1710.             }

  1711. 

  1712.             pData->postRtEvents.trySplice();

  1713. 

  1714.             if (frames > timeOffset)

  1715.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1716. 

  1717.         } // End of Event Input and Processing

  1718. 

  1719.         // --------------------------------------------------------------------------------------------------------

  1720.         // Plugin processing (no events)

  1721. 

  1722.         else

  1723.         {

  1724.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1725. 

  1726.         } // End of Plugin processing (no events)

  1727. 

  1728.         // --------------------------------------------------------------------------------------------------------

  1729.         // Control Output

  1730. 

  1731.         if (pData->event.portOut != nullptr)

  1732.         {

  1733.             uint8_t  channel;

  1734.             uint16_t param;

  1735.             float    value;

  1736. 

  1737.             for (uint32_t k=0; k < pData->param.count; ++k)

  1738.             {

  1739.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1740.                     continue;

  1741. 

  1742.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1743. 

  1744.                 if (pData->param.data[k].midiCC > 0)

  1745.                 {

  1746.                     channel = pData->param.data[k].midiChannel;

  1747.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1748.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1749.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1750.                 }

  1751.             }

  1752.         } // End of Control Output

  1753.     }

  1754. 

  1755.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1756.                        const uint32_t timeOffset, const ulong midiEventCount)

  1757.     {

  1758.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1759. 

  1760.         if (pData->audioIn.count > 0)

  1761.         {

  1762.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1763.         }

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

  1765.         {

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

  1767.         }

  1768. 

  1769.         // --------------------------------------------------------------------------------------------------------

  1770.         // Try lock, silence otherwise

  1771. 

  1772. #ifndef STOAT_TEST_BUILD

  1773.         if (pData->engine->isOffline())

  1774.         {

  1775.             pData->singleMutex.lock();

  1776.         }

  1777.         else

  1778. #endif

  1779.         if (! pData->singleMutex.tryLock())

  1780.         {

  1781.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1782.             {

  1783.                 for (uint32_t k=0; k < frames; ++k)

  1784.                     audioOut[i][k+timeOffset] = 0.0f;

  1785.             }

  1786. 

  1787.             return false;

  1788.         }

  1789. 

  1790.         // --------------------------------------------------------------------------------------------------------

  1791.         // Set audio buffers

  1792. 

  1793.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1794.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1795. 

  1796.         if (! customMonoOut)

  1797.         {

  1798.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1799.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1800.         }

  1801. 

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

  1803.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1804. 

  1805.         // --------------------------------------------------------------------------------------------------------

  1806.         // Run plugin

  1807. 

  1808.         uint instn = 0;

  1809.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1810.         {

  1811.             LADSPA_Handle const handle(it.getValue(nullptr));

  1812.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1813. 

  1814.             // ----------------------------------------------------------------------------------------------------

  1815.             // Mixdown for forced stereo

  1816. 

  1817.             if (customMonoOut)

  1818.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1819. 

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

  1821.             // Run it

  1822. 

  1823.             if (fDssiDescriptor->run_synth != nullptr)

  1824.             {

  1825.                 try {

  1826.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1827.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1828.             }

  1829.             else

  1830.             {

  1831.                 try {

  1832.                     fDescriptor->run(handle, frames);

  1833.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1834.             }

  1835. 

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

  1837.             // Mixdown for forced stereo

  1838. 

  1839.             if (customMonoOut)

  1840.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1841.             else if (customStereoOut)

  1842.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1843.         }

  1844. 

  1845.         if (customStereoOut)

  1846.         {

  1847.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1848.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1849.         }

  1850. 

  1851. #ifndef BUILD_BRIDGE

  1852.         // --------------------------------------------------------------------------------------------------------

  1853.         // Post-processing (dry/wet, volume and balance)

  1854. 

  1855.         {

  1856.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1857.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1858.             const bool isMono    = (pData->audioIn.count == 1);

  1859. 

  1860.             bool isPair;

  1861.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1862. 

  1863.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1864.             {

  1865.                 // Dry/Wet

  1866.                 if (doDryWet)

  1867.                 {

  1868.                     const uint32_t c = isMono ? 0 : i;

  1869. 

  1870.                     for (uint32_t k=0; k < frames; ++k)

  1871.                     {

  1872.                         if (k < pData->latency.frames)

  1873.                             bufValue = pData->latency.buffers[c][k];

  1874.                         else if (pData->latency.frames < frames)

  1875.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1876.                         else

  1877.                             bufValue = fAudioInBuffers[c][k];

  1878. 

  1879.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1880.                     }

  1881.                 }

  1882. 

  1883.                 // Balance

  1884.                 if (doBalance)

  1885.                 {

  1886.                     isPair = (i % 2 == 0);

  1887. 

  1888.                     if (isPair)

  1889.                     {

  1890.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1891.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1892.                     }

  1893. 

  1894.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1895.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1896. 

  1897.                     for (uint32_t k=0; k < frames; ++k)

  1898.                     {

  1899.                         if (isPair)

  1900.                         {

  1901.                             // left

  1902.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1903.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1904.                         }

  1905.                         else

  1906.                         {

  1907.                             // right

  1908.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1909.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1910.                         }

  1911.                     }

  1912.                 }

  1913. 

  1914.                 // Volume (and buffer copy)

  1915.                 {

  1916.                     for (uint32_t k=0; k < frames; ++k)

  1917.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1918.                 }

  1919.             }

  1920. 

  1921.         } // End of Post-processing

  1922. 

  1923.         // --------------------------------------------------------------------------------------------------------

  1924.         // Save latency values for next callback

  1925. 

  1926.         if (const uint32_t latframes = pData->latency.frames)

  1927.         {

  1928.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1929. 

  1930.             if (latframes <= frames)

  1931.             {

  1932.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1933.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1934.             }

  1935.             else

  1936.             {

  1937.                 const uint32_t diff = pData->latency.frames-frames;

  1938. 

  1939.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1940.                 {

  1941.                     // push back buffer by 'frames'

  1942.                     for (k=0; k < diff; ++k)

  1943.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1944. 

  1945.                     // put current input at the end

  1946.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1947.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1948.                 }

  1949.             }

  1950.         }

  1951. 

  1952. #else // BUILD_BRIDGE

  1953.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1954.         {

  1955.             for (uint32_t k=0; k < frames; ++k)

  1956.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1957.         }

  1958. #endif

  1959. 

  1960.         // --------------------------------------------------------------------------------------------------------

  1961. 

  1962.         pData->singleMutex.unlock();

  1963.         return true;

  1964.     }

  1965. 

  1966.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1967.     {

  1968.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1969.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1970. 

  1971.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1972.         {

  1973.             if (fAudioInBuffers[i] != nullptr)

  1974.                 delete[] fAudioInBuffers[i];

  1975. 

  1976.             fAudioInBuffers[i] = new float[newBufferSize];

  1977.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1978.         }

  1979. 

  1980.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1981.         {

  1982.             if (fAudioOutBuffers[i] != nullptr)

  1983.                 delete[] fAudioOutBuffers[i];

  1984. 

  1985.             fAudioOutBuffers[i] = new float[newBufferSize];

  1986.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  1987.         }

  1988. 

  1989.         if (fExtraStereoBuffer[0] != nullptr)

  1990.         {

  1991.             delete[] fExtraStereoBuffer[0];

  1992.             fExtraStereoBuffer[0] = nullptr;

  1993.         }

  1994. 

  1995.         if (fExtraStereoBuffer[1] != nullptr)

  1996.         {

  1997.             delete[] fExtraStereoBuffer[1];

  1998.             fExtraStereoBuffer[1] = nullptr;

  1999.         }

  2000. 

  2001.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2002.         {

  2003.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2004.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2005.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2006.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2007.         }

  2008. 

  2009.         reconnectAudioPorts();

  2010. 

  2011.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2012.     }

  2013. 

  2014.     void sampleRateChanged(const double newSampleRate) override

  2015.     {

  2016.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2017.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2018. 

  2019.         // TODO - handle UI stuff

  2020. 

  2021.         if (pData->active)

  2022.             deactivate();

  2023. 

  2024.         const std::size_t instanceCount(fHandles.count());

  2025. 

  2026.         if (fDescriptor->cleanup != nullptr)

  2027.         {

  2028.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2029.             {

  2030.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2031.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2032. 

  2033.                 try {

  2034.                     fDescriptor->cleanup(handle);

  2035.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2036.             }

  2037.         }

  2038. 

  2039.         fHandles.clear();

  2040. 

  2041.         for (std::size_t i=0; i<instanceCount; ++i)

  2042.             addInstance();

  2043. 

  2044.         reconnectAudioPorts();

  2045. 

  2046.         if (pData->active)

  2047.             activate();

  2048. 

  2049.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2050.     }

  2051. 

  2052.     void reconnectAudioPorts() const noexcept

  2053.     {

  2054.         if (fForcedStereoIn)

  2055.         {

  2056.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2057.             {

  2058.                 try {

  2059.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2060.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2061.             }

  2062. 

  2063.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2064.             {

  2065.                 try {

  2066.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2067.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2068.             }

  2069.         }

  2070.         else

  2071.         {

  2072.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2073.             {

  2074.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2075.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2076. 

  2077.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2078.                 {

  2079.                     try {

  2080.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2081.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2082.                 }

  2083.             }

  2084.         }

  2085. 

  2086.         if (fForcedStereoOut)

  2087.         {

  2088.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2089.             {

  2090.                 try {

  2091.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2092.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2093.             }

  2094. 

  2095.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2096.             {

  2097.                 try {

  2098.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2099.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2100.             }

  2101.         }

  2102.         else

  2103.         {

  2104.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2105.             {

  2106.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2107.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2108. 

  2109.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2110.                 {

  2111.                     try {

  2112.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2113.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2114.                 }

  2115.             }

  2116.         }

  2117.     }

  2118. 

  2119.     // -------------------------------------------------------------------

  2120.     // Plugin buffers

  2121. 

  2122.     void clearBuffers() noexcept override

  2123.     {

  2124.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2125. 

  2126.         if (fAudioInBuffers != nullptr)

  2127.         {

  2128.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2129.             {

  2130.                 if (fAudioInBuffers[i] != nullptr)

  2131.                 {

  2132.                     delete[] fAudioInBuffers[i];

  2133.                     fAudioInBuffers[i] = nullptr;

  2134.                 }

  2135.             }

  2136. 

  2137.             delete[] fAudioInBuffers;

  2138.             fAudioInBuffers = nullptr;

  2139.         }

  2140. 

  2141.         if (fAudioOutBuffers != nullptr)

  2142.         {

  2143.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2144.             {

  2145.                 if (fAudioOutBuffers[i] != nullptr)

  2146.                 {

  2147.                     delete[] fAudioOutBuffers[i];

  2148.                     fAudioOutBuffers[i] = nullptr;

  2149.                 }

  2150.             }

  2151. 

  2152.             delete[] fAudioOutBuffers;

  2153.             fAudioOutBuffers = nullptr;

  2154.         }

  2155. 

  2156.         if (fExtraStereoBuffer[0] != nullptr)

  2157.         {

  2158.             delete[] fExtraStereoBuffer[0];

  2159.             fExtraStereoBuffer[0] = nullptr;

  2160.         }

  2161. 

  2162.         if (fExtraStereoBuffer[1] != nullptr)

  2163.         {

  2164.             delete[] fExtraStereoBuffer[1];

  2165.             fExtraStereoBuffer[1] = nullptr;

  2166.         }

  2167. 

  2168.         if (fParamBuffers != nullptr)

  2169.         {

  2170.             delete[] fParamBuffers;

  2171.             fParamBuffers = nullptr;

  2172.         }

  2173. 

  2174.         CarlaPlugin::clearBuffers();

  2175. 

  2176.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2177.     }

  2178. 

  2179. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2180.     // -------------------------------------------------------------------

  2181.     // OSC stuff

  2182. 

  2183.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2184.     {

  2185.         const lo_address source(lo_message_get_source(msg));

  2186.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2187. 

  2188.         // protocol for DSSI UIs *must* be UDP

  2189.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2190. 

  2191.         if (fOscData.source == nullptr)

  2192.         {

  2193.             // if no UI is registered yet only "configure" and "update" messages are valid

  2194.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2195.         }

  2196.         else

  2197.         {

  2198.             // make sure message source is the DSSI UI

  2199.             const char* const msghost = lo_address_get_hostname(source);

  2200.             const char* const msgport = lo_address_get_port(source);

  2201. 

  2202.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2203.             const char* const ourport = lo_address_get_port(fOscData.source);

  2204. 

  2205.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2206.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2207.         }

  2208. 

  2209.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2210. 

  2211.         if (std::strcmp(method, "configure") == 0)

  2212.             return handleOscMessageConfigure(argc, argv, types);

  2213.         if (std::strcmp(method, "control") == 0)

  2214.             return handleOscMessageControl(argc, argv, types);

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

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

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

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

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

  2220.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

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

  2222.             return handleOscMessageExiting();

  2223. 

  2224.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2225.     }

  2226. 

  2227.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2228.     {

  2229.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2230.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2231. 

  2232.         const char* const key   = (const char*)&argv[0]->s;

  2233.         const char* const value = (const char*)&argv[1]->s;

  2234. 

  2235.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2236.     }

  2237. 

  2238.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2239.     {

  2240.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2241.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2242. 

  2243.         const int32_t rindex = argv[0]->i;

  2244.         const float   value  = argv[1]->f;

  2245. 

  2246.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2247.     }

  2248. 

  2249.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2250.     {

  2251.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2252.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2253. 

  2254.         const int32_t bank    = argv[0]->i;

  2255.         const int32_t program = argv[1]->i;

  2256. 

  2257.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2258.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2259. 

  2260.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2261.     }

  2262. 

  2263.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2264.     {

  2265.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2266.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2267. 

  2268.         if (getMidiInCount() == 0)

  2269.         {

  2270.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2271.             return;

  2272.         }

  2273. 

  2274.         const uint8_t* const data = argv[0]->m;

  2275.         uint8_t status  = data[1];

  2276.         uint8_t channel = status & 0x0F;

  2277. 

  2278.         // Fix bad note-off

  2279.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2280.             status = MIDI_STATUS_NOTE_OFF;

  2281. 

  2282.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2283.         {

  2284.             const uint8_t note = data[2];

  2285. 

  2286.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2287. 

  2288.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2289.         }

  2290.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2291.         {

  2292.             const uint8_t note = data[2];

  2293.             const uint8_t velo = data[3];

  2294. 

  2295.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2296.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2297. 

  2298.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2299.         }

  2300.     }

  2301. 

  2302.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2303.     {

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

  2305.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2306. 

  2307.         const char* const url = (const char*)&argv[0]->s;

  2308. 

  2309.         // FIXME - remove debug prints later

  2310.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2311. 

  2312.         fOscData.clear();

  2313. 

  2314.         const int proto = lo_address_get_protocol(source);

  2315. 

  2316.         {

  2317.             const char* host = lo_address_get_hostname(source);

  2318.             const char* port = lo_address_get_port(source);

  2319.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2320. 

  2321.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2322.         }

  2323. 

  2324.         {

  2325.             char* host = lo_url_get_hostname(url);

  2326.             char* port = lo_url_get_port(url);

  2327.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2328.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2329.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2330. 

  2331.             std::free(host);

  2332.             std::free(port);

  2333.         }

  2334. 

  2335.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2336. 

  2337.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2338.         {

  2339.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2340.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2341. 

  2342.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2343.                 osc_send_configure(fOscData, customData.key, customData.value);

  2344.         }

  2345. 

  2346.         if (pData->prog.current >= 0)

  2347.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2348. 

  2349.         if (pData->midiprog.current >= 0)

  2350.         {

  2351.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2352.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2353.         }

  2354. 

  2355.         for (uint32_t i=0; i < pData->param.count; ++i)

  2356.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2357. 

  2358. #ifndef BUILD_BRIDGE

  2359.         if (pData->engine->getOptions().frontendWinId != 0)

  2360.             pData->transientTryCounter = 1;

  2361. #endif

  2362. 

  2363.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2364.     }

  2365. 

  2366.     void handleOscMessageExiting()

  2367.     {

  2368.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2369. 

  2370.         // hide UI

  2371.         showCustomUI(false);

  2372. 

  2373.         // tell frontend

  2374.         pData->engine->callback(true, true,

  2375.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2376.                                 pData->id,

  2377.                                 0,

  2378.                                 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 && !BUILD_BRIDGE

  2443. 

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

  2445. 

  2446.     const void* getNativeDescriptor() const noexcept override

  2447.     {

  2448.         return fDssiDescriptor;

  2449.     }

  2450. 

  2451. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  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.         // ---------------------------------------------------------------

  2652.         // get engine options

  2653. 

  2654.         const EngineOptions& opts(pData->engine->getOptions());

  2655. 

  2656. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

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

  2658.         // check for gui

  2659. 

  2660.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2661.         {

  2662.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2663.             {

  2664.                 fUiFilename = guiFilename;

  2665.                 fThreadUI.setData(guiFilename, fDescriptor->Label);

  2666.             }

  2667.         }

  2668. #endif

  2669. 

  2670.         // ---------------------------------------------------------------

  2671.         // set default options

  2672. 

  2673.         pData->options = 0x0;

  2674. 

  2675.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2676.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2677.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2678.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2679. 

  2680.         /**/ if (opts.forceStereo)

  2681.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2682.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2683.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2684. 

  2685.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2686.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2687. 

  2688.         if (fUsesCustomData)

  2689.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2690. 

  2691.         if (fDssiDescriptor->run_synth != nullptr)

  2692.         {

  2693.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2694.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2695.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2696.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2697. 

  2698.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2699.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2700.         }

  2701. 

  2702.         return true;

  2703.     }

  2704. 

  2705.     // -------------------------------------------------------------------

  2706. 

  2707. private:

  2708.     LinkedList<LADSPA_Handle> fHandles;

  2709.     const LADSPA_Descriptor*  fDescriptor;

  2710.     const DSSI_Descriptor*    fDssiDescriptor;

  2711. 

  2712.     float** fAudioInBuffers;

  2713.     float** fAudioOutBuffers;

  2714.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2715.     float*  fParamBuffers;

  2716. 

  2717.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2718. 

  2719.     int32_t fLatencyIndex; // -1 if invalid

  2720.     bool    fForcedStereoIn;

  2721.     bool    fForcedStereoOut;

  2722.     bool    fNeedsFixedBuffers;

  2723.     bool    fUsesCustomData;

  2724. 

  2725. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2726.     CarlaOscData      fOscData;

  2727.     CarlaThreadDSSIUI fThreadUI;

  2728.     const char*       fUiFilename;

  2729. #endif

  2730. 

  2731.     // -------------------------------------------------------------------

  2732. 

  2733.     bool addInstance()

  2734.     {

  2735.         LADSPA_Handle handle;

  2736. 

  2737.         try {

  2738.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2739.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2740. 

  2741.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2742.         {

  2743.             const int32_t rindex(pData->param.data[i].rindex);

  2744.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2745. 

  2746.             try {

  2747.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2748.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2749.         }

  2750. 

  2751.         if (fHandles.append(handle))

  2752.             return true;

  2753. 

  2754.         try {

  2755.             fDescriptor->cleanup(handle);

  2756.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2757. 

  2758.         pData->engine->setLastError("Out of memory");

  2759.         return false;

  2760.     }

  2761. 

  2762.     uint32_t getSafePortCount() const noexcept

  2763.     {

  2764.         if (fDescriptor->PortCount == 0)

  2765.             return 0;

  2766. 

  2767.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2768.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2769.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2770. 

  2771.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2772.     }

  2773. 

  2774.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2775.     {

  2776.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2777.             return true;

  2778.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2779.             return true;

  2780.         return false;

  2781.     }

  2782. 

  2783.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2784.                                                      const bool wantName, const bool useBracket) noexcept

  2785.     {

  2786.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2787. 

  2788.         if (sepBracketStart == nullptr)

  2789.             return false;

  2790. 

  2791.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2792. 

  2793.         if (sepBracketEnd == nullptr)

  2794.             return false;

  2795. 

  2796.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2797. 

  2798.         if (unitSize > 7) // very unlikely to have such big unit

  2799.             return false;

  2800. 

  2801.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2802. 

  2803.         // just in case

  2804.         if (sepIndex+2 >= STR_MAX)

  2805.             return false;

  2806. 

  2807.         if (wantName)

  2808.         {

  2809.             std::strncpy(strBuf, paramName, sepIndex);

  2810.             strBuf[sepIndex] = '\0';

  2811.         }

  2812.         else

  2813.         {

  2814.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2815.             strBuf[unitSize] = '\0';

  2816.         }

  2817. 

  2818.         return true;

  2819.     }

  2820. 

  2821.     // -------------------------------------------------------------------

  2822. 

  2823.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2824. };

  2825. 

  2826. // -------------------------------------------------------------------------------------------------------------------

  2827. 

  2828. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2829. {

  2830.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2831.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2832. 

  2833.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2834. 

  2835.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2836.     {

  2837.         delete plugin;

  2838.         return nullptr;

  2839.     }

  2840. 

  2841.     return plugin;

  2842. }

  2843. 

  2844. // -------------------------------------------------------------------------------------------------------------------

  2845. 

  2846. CARLA_BACKEND_END_NAMESPACE