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

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  1. /*

  2.  * Carla DSSI Plugin

  3.  * Copyright (C) 2011-2014 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. // TODO: set fUsesCustomData and latency index before init finishes

  19. // TODO: common laterncy code

  20. 

  21. #include "CarlaPluginInternal.hpp"

  22. #include "CarlaEngineUtils.hpp"

  23. 

  24. #include "CarlaDssiUtils.hpp"

  25. #include "CarlaMathUtils.hpp"

  26. 

  27. #ifdef HAVE_LIBLO

  28. # include "CarlaOscUtils.hpp"

  29. # include "CarlaPipeUtils.hpp"

  30. # include "CarlaThread.hpp"

  31. #endif

  32. 

  33. using juce::ChildProcess;

  34. using juce::ScopedPointer;

  35. using juce::String;

  36. using juce::StringArray;

  37. 

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

  39.     /* check argument count */                                                                                                  \

  40.     if (argc != argcToCompare)                                                                                                  \

  41.     {                                                                                                                           \

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

  43.         return;                                                                                                                 \

  44.     }                                                                                                                           \

  45.     if (argc > 0)                                                                                                               \

  46.     {                                                                                                                           \

  47.         /* check for nullness */                                                                                                \

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

  49.         {                                                                                                                       \

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

  51.             return;                                                                                                             \

  52.         }                                                                                                                       \

  53.         /* check argument types */                                                                                              \

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

  55.         {                                                                                                                       \

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

  57.             return;                                                                                                             \

  58.         }                                                                                                                       \

  59.     }

  60. 

  61. CARLA_BACKEND_START_NAMESPACE

  62. 

  63. // -------------------------------------------------------------------

  64. // Fallback data

  65. 

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

  67. 

  68. #ifdef HAVE_LIBLO

  69. // -------------------------------------------------------------------

  70. 

  71. class CarlaThreadDSSIUI : public CarlaThread

  72. {

  73. public:

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

  75.         : CarlaThread("CarlaThreadDSSIUI"),

  76.           kEngine(engine),

  77.           kPlugin(plugin),

  78.           fBinary(),

  79.           fLabel(),

  80.           fOscData(oscData),

  81.           fProcess(),

  82.           leakDetector_CarlaThreadDSSIUI() {}

  83. 

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

  85.     {

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

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

  88.         CARLA_SAFE_ASSERT(! isThreadRunning());

  89. 

  90.         fBinary = binary;

  91.         fLabel  = label;

  92. 

  93.         if (fLabel.isEmpty())

  94.             fLabel = "\"\"";

  95.     }

  96. 

  97.     uintptr_t getProcessPID() const noexcept

  98.     {

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

  100. 

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

  102.     }

  103. 

  104.     void run()

  105.     {

  106.         if (fProcess == nullptr)

  107.         {

  108.             fProcess = new ChildProcess();

  109.         }

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

  111.         {

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

  113. 

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

  115.             fProcess->kill();

  116.             fProcess = nullptr;

  117.             return;

  118.         }

  119. 

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

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

  122. 

  123.         if (name.isEmpty())

  124.             name = "(none)";

  125. 

  126.         if (filename.isEmpty())

  127.             filename = "\"\"";

  128. 

  129.         StringArray arguments;

  130. 

  131.         // binary

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

  133. 

  134.         // osc-url

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

  136. 

  137.         // filename

  138.         arguments.add(filename);

  139. 

  140.         // label

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

  142. 

  143.         // ui-title

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

  145. 

  146.         bool started;

  147. 

  148.         {

  149. #ifdef CARLA_OS_LINUX

  150.             /*

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

  152.              * If not, unset LD_PRELOAD.

  153.              */

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

  155. 

  156.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  157.             char winIdStr[STR_MAX+1];

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

  159. 

  160.             // for LD_PRELOAD

  161.             CarlaString ldPreloadValue;

  162. 

  163.             if (winId != 0)

  164.             {

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

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

  167.             }

  168. 

  169.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  172. #endif // CARLA_OS_LINUX

  173. 

  174.             // start the DSSI UI application

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

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

  177.         }

  178. 

  179.         if (! started)

  180.         {

  181.             carla_stdout("failed!");

  182.             fProcess = nullptr;

  183.             return;

  184.         }

  185. 

  186.         if (waitForOscGuiShow())

  187.         {

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

  189.                 carla_sleep(1);

  190. 

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

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

  193.             {

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

  195. 

  196.                 if (fProcess->isRunning())

  197.                 {

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

  199.                     fProcess->kill();

  200.                 }

  201.                 else

  202.                 {

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

  204.                 }

  205.             }

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

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

  208.             else

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

  210. 

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

  212.         }

  213.         else

  214.         {

  215.             fProcess->kill();

  216. 

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

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

  219.         }

  220. 

  221.         carla_stdout("DSSI UI finished");

  222.         fProcess = nullptr;

  223.     }

  224. 

  225. private:

  226.     CarlaEngine* const kEngine;

  227.     CarlaPlugin* const kPlugin;

  228. 

  229.     CarlaString fBinary;

  230.     CarlaString fLabel;

  231. 

  232.     const CarlaOscData&         fOscData;

  233.     ScopedPointer<ChildProcess> fProcess;

  234. 

  235.     bool waitForOscGuiShow()

  236.     {

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

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

  239. 

  240.         // wait for UI 'update' call

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

  242.         {

  243.             if (fOscData.target != nullptr)

  244.             {

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

  246.                 osc_send_show(fOscData);

  247.                 return true;

  248.             }

  249. 

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

  251.                 carla_msleep(100);

  252.             else

  253.                 return false;

  254.         }

  255. 

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

  257.         return false;

  258.     }

  259. 

  260.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  261. };

  262. #endif

  263. 

  264. // -----------------------------------------------------

  265. 

  266. class CarlaPluginDSSI : public CarlaPlugin

  267. {

  268. public:

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

  270.         : CarlaPlugin(engine, id),

  271.           fHandle(nullptr),

  272.           fHandle2(nullptr),

  273.           fDescriptor(nullptr),

  274.           fDssiDescriptor(nullptr),

  275.           fUsesCustomData(false),

  276. #ifdef HAVE_LIBLO

  277.           fUiFilename(nullptr),

  278. #endif

  279.           fAudioInBuffers(nullptr),

  280.           fAudioOutBuffers(nullptr),

  281.           fParamBuffers(nullptr),

  282.           fLatencyChanged(false),

  283.           fLatencyIndex(-1),

  284. #ifdef HAVE_LIBLO

  285.           fOscData(),

  286.           fThreadUI(engine, this, fOscData),

  287. #endif

  288.           leakDetector_CarlaPluginDSSI()

  289.     {

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

  291.     }

  292. 

  293.     ~CarlaPluginDSSI() noexcept override

  294.     {

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

  296. 

  297. #ifdef HAVE_LIBLO

  298.         // close UI

  299.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  300.         {

  301.             showCustomUI(false);

  302. 

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

  304.         }

  305. #endif

  306. 

  307.         pData->singleMutex.lock();

  308.         pData->masterMutex.lock();

  309. 

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

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

  312. 

  313.         if (pData->active)

  314.         {

  315.             deactivate();

  316.             pData->active = false;

  317.         }

  318. 

  319.         if (fDescriptor != nullptr)

  320.         {

  321.             if (pData->name != nullptr && fDssiDescriptor != nullptr && fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  322.                 removeUniqueMultiSynth(fDescriptor->Label);

  323. 

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

  325.             {

  326.                 if (fHandle != nullptr)

  327.                 {

  328.                     try {

  329.                         fDescriptor->cleanup(fHandle);

  330.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  331.                 }

  332. 

  333.                 if (fHandle2 != nullptr)

  334.                 {

  335.                     try {

  336.                         fDescriptor->cleanup(fHandle2);

  337.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup #2");

  338.                 }

  339.             }

  340. 

  341.             fHandle  = nullptr;

  342.             fHandle2 = nullptr;

  343.             fDescriptor = nullptr;

  344.             fDssiDescriptor = nullptr;

  345.         }

  346. 

  347. #ifdef HAVE_LIBLO

  348.         if (fUiFilename != nullptr)

  349.         {

  350.             delete[] fUiFilename;

  351.             fUiFilename = nullptr;

  352.         }

  353. #endif

  354. 

  355.         clearBuffers();

  356.     }

  357. 

  358.     // -------------------------------------------------------------------

  359.     // Information (base)

  360. 

  361.     PluginType getType() const noexcept override

  362.     {

  363.         return PLUGIN_DSSI;

  364.     }

  365. 

  366.     PluginCategory getCategory() const noexcept override

  367.     {

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

  369. 

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

  371.             return PLUGIN_CATEGORY_SYNTH;

  372. 

  373.         return CarlaPlugin::getCategory();

  374.     }

  375. 

  376.     int64_t getUniqueId() const noexcept override

  377.     {

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

  379. 

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

  381.     }

  382. 

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

  384.     // Information (count)

  385. 

  386.     // nothing

  387. 

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

  389.     // Information (current data)

  390. 

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

  392.     {

  393.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

  397.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0);

  398.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr, 0);

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

  400. 

  401.         *dataPtr = nullptr;

  402. 

  403.         int ret = 0;

  404.         ulong dataSize = 0;

  405. 

  406.         try {

  407.             ret = fDssiDescriptor->get_custom_data(fHandle, dataPtr, &dataSize);

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

  409. 

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

  411.     }

  412. 

  413.     // -------------------------------------------------------------------

  414.     // Information (per-plugin data)

  415. 

  416.     uint getOptionsAvailable() const noexcept override

  417.     {

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

  419. 

  420. #ifdef __USE_GNU

  421.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  422. #else

  423.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  424. #endif

  425. 

  426.         uint options = 0x0;

  427. 

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

  429.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  430. 

  431.         if (! isDssiVst)

  432.         {

  433.             if (fLatencyIndex == -1)

  434.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  435. 

  436.             if (pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  437.             {

  438.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  439.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  440.                 else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))

  441.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  442.             }

  443.         }

  444. 

  445.         if (fUsesCustomData)

  446.             options |= PLUGIN_OPTION_USE_CHUNKS;

  447. 

  448.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  449.         {

  450.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  451.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  452.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  453.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  454.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  455.         }

  456. 

  457.         return options;

  458.     }

  459. 

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

  461.     {

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

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

  464. 

  465.         return fParamBuffers[parameterId];

  466.     }

  467. 

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

  469.     {

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

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

  472. 

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

  474.     }

  475. 

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

  477.     {

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

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

  480. 

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

  482.     }

  483. 

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

  485.     {

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

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

  488. 

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

  490.     }

  491. 

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

  493.     {

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

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

  496. 

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

  498.     }

  499. 

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

  501.     {

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

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

  504. 

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

  506. 

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

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

  509. 

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

  511.             return;

  512. 

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

  514.     }

  515. 

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

  517.     {

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

  519. 

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

  521. 

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

  523. 

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

  525.             return;

  526. 

  527.         nullStrBuf(strBuf);

  528.     }

  529. 

  530.     // -------------------------------------------------------------------

  531.     // Set data (state)

  532. 

  533.     // nothing

  534. 

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

  536.     // Set data (internal stuff)

  537. 

  538.     void setId(const uint newId) noexcept

  539.     {

  540.         CarlaPlugin::setId(newId);

  541. 

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

  543.         // FIXME - must be RT safe

  544.         showCustomUI(false);

  545.     }

  546. 

  547.     // -------------------------------------------------------------------

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

  549. 

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

  551.     {

  552.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  554. 

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

  556.         fParamBuffers[parameterId] = fixedValue;

  557. 

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

  559.     }

  560. 

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

  562.     {

  563.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  564.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  567.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  569. 

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

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

  572. 

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

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

  575. 

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

  577.         {

  578.             try {

  579.                 fDssiDescriptor->configure(fHandle, key, value);

  580.             } catch(...) {}

  581. 

  582.             if (fHandle2 != nullptr)

  583.             {

  584.                 try {

  585.                     fDssiDescriptor->configure(fHandle2, key, value);

  586.                 } catch(...) {}

  587.             }

  588.         }

  589. 

  590. #ifdef HAVE_LIBLO

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

  592.             osc_send_configure(fOscData, key, value);

  593. #endif

  594. 

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

  596.         {

  597.             const ScopedSingleProcessLocker spl(this, true);

  598.             reloadPrograms(false);

  599.         }

  600. 

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

  602.     }

  603. 

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

  605.     {

  606.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  608.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  610.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  611.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  612.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  613.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  614. 

  615.         {

  616.             const ScopedSingleProcessLocker spl(this, true);

  617. 

  618.             try {

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

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

  621.         }

  622. 

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

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

  625. #else

  626.         const bool sendOsc(false);

  627. #endif

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

  629.     }

  630. 

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

  632.     {

  633.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  635.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  637. 

  638.         if (index >= 0)

  639.         {

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

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

  642. 

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

  644. 

  645.             try {

  646.                 fDssiDescriptor->select_program(fHandle, bank, program);

  647.             } catch(...) {}

  648. 

  649.             if (fHandle2 != nullptr)

  650.             {

  651.                 try {

  652.                     fDssiDescriptor->select_program(fHandle2, bank, program);

  653.                 } catch(...) {}

  654.             }

  655.         }

  656. 

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

  658.     }

  659. 

  660. #ifdef HAVE_LIBLO

  661.     // -------------------------------------------------------------------

  662.     // Set ui stuff

  663. 

  664.     void showCustomUI(const bool yesNo) override

  665.     {

  666.         if (yesNo)

  667.         {

  668.             fOscData.clear();

  669.             fThreadUI.startThread();

  670.         }

  671.         else

  672.         {

  673.             pData->transientTryCounter = 0;

  674. 

  675.             if (fOscData.target != nullptr)

  676.             {

  677.                 osc_send_hide(fOscData);

  678.                 osc_send_quit(fOscData);

  679.                 fOscData.clear();

  680.             }

  681. 

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

  683.         }

  684.     }

  685. #endif

  686. 

  687. #if 0 // TODO

  688.     void idle() override

  689.     {

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

  691.         {

  692.             fLatencyChanged = false;

  693. 

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

  695. 

  696.             if (latency >= 0)

  697.             {

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

  699. 

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

  701.                 {

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

  703. 

  704.                     const ScopedSingleProcessLocker sspl(this, true);

  705. 

  706.                     pData->latency = ulatency;

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

  708. #ifndef BUILD_BRIDGE

  709.                     pData->recreateLatencyBuffers();

  710. #endif

  711.                 }

  712.             }

  713.             else

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

  715.         }

  716. 

  717.         CarlaPlugin::idle();

  718.     }

  719. #endif

  720. 

  721.     // -------------------------------------------------------------------

  722.     // Plugin state

  723. 

  724.     void reload() override

  725.     {

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

  727.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  728.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  729.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  731. 

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

  733. 

  734.         // Safely disable plugin for reload

  735.         const ScopedDisabler sd(this);

  736. 

  737.         if (pData->active)

  738.             deactivate();

  739. 

  740.         clearBuffers();

  741. 

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

  743.         const uint32_t portCount(getSafePortCount());

  744. 

  745.         uint32_t aIns, aOuts, mIns, params;

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

  747. 

  748.         bool forcedStereoIn, forcedStereoOut;

  749.         forcedStereoIn = forcedStereoOut = false;

  750. 

  751.         bool needsCtrlIn, needsCtrlOut;

  752.         needsCtrlIn = needsCtrlOut = false;

  753. 

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

  755.         {

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

  757. 

  758.             if (LADSPA_IS_PORT_AUDIO(portType))

  759.             {

  760.                 if (LADSPA_IS_PORT_INPUT(portType))

  761.                     aIns += 1;

  762.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  763.                     aOuts += 1;

  764.             }

  765.             else if (LADSPA_IS_PORT_CONTROL(portType))

  766.                 params += 1;

  767.         }

  768. 

  769.         if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1))

  770.         {

  771.             if (fHandle2 == nullptr)

  772.             {

  773.                 try {

  774.                     fHandle2 = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(sampleRate));

  775.                 } CARLA_SAFE_EXCEPTION("DSSI instantiate #2");

  776.             }

  777. 

  778.             if (fHandle2 != nullptr)

  779.             {

  780.                 if (aIns == 1)

  781.                 {

  782.                     aIns = 2;

  783.                     forcedStereoIn = true;

  784.                 }

  785. 

  786.                 if (aOuts == 1)

  787.                 {

  788.                     aOuts = 2;

  789.                     forcedStereoOut = true;

  790.                 }

  791.             }

  792.         }

  793. 

  794.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  795.         {

  796.             mIns = 1;

  797.             needsCtrlIn = true;

  798.         }

  799. 

  800.         if (aIns > 0)

  801.         {

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

  803.             fAudioInBuffers = new float*[aIns];

  804. 

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

  806.                 fAudioInBuffers[i] = nullptr;

  807.         }

  808. 

  809.         if (aOuts > 0)

  810.         {

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

  812.             fAudioOutBuffers = new float*[aOuts];

  813.             needsCtrlIn = true;

  814. 

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

  816.                 fAudioOutBuffers[i] = nullptr;

  817.         }

  818. 

  819.         if (params > 0)

  820.         {

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

  822. 

  823.             fParamBuffers = new float[params];

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

  825.         }

  826. 

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

  828.         CarlaString portName;

  829. 

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

  831.         {

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

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

  834. 

  835.             if (LADSPA_IS_PORT_AUDIO(portType))

  836.             {

  837.                 portName.clear();

  838. 

  839.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  840.                 {

  841.                     portName  = pData->name;

  842.                     portName += ":";

  843.                 }

  844. 

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

  846.                 {

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

  848.                 }

  849.                 else

  850.                 {

  851.                     if (LADSPA_IS_PORT_INPUT(portType))

  852.                     {

  853.                         if (aIns > 1)

  854.                         {

  855.                             portName += "audio-in_";

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

  857.                         }

  858.                         else

  859.                             portName += "audio-in";

  860.                     }

  861.                     else

  862.                     {

  863.                         if (aOuts > 1)

  864.                         {

  865.                             portName += "audio-out_";

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

  867.                         }

  868.                         else

  869.                             portName += "audio-out";

  870.                     }

  871.                 }

  872. 

  873.                 portName.truncate(portNameSize);

  874. 

  875.                 if (LADSPA_IS_PORT_INPUT(portType))

  876.                 {

  877.                     const uint32_t j = iAudioIn++;

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

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

  880. 

  881.                     if (forcedStereoIn)

  882.                     {

  883.                         portName += "_2";

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

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

  886.                     }

  887.                 }

  888.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  889.                 {

  890.                     const uint32_t j = iAudioOut++;

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

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

  893. 

  894.                     if (forcedStereoOut)

  895.                     {

  896.                         portName += "_2";

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

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

  899.                     }

  900.                 }

  901.                 else

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

  903.             }

  904.             else if (LADSPA_IS_PORT_CONTROL(portType))

  905.             {

  906.                 const uint32_t j = iCtrl++;

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

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

  909. 

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

  911. 

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

  913. 

  914.                 // min value

  915.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  916.                     min = portRangeHints.LowerBound;

  917.                 else

  918.                     min = 0.0f;

  919. 

  920.                 // max value

  921.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  922.                     max = portRangeHints.UpperBound;

  923.                 else

  924.                     max = 1.0f;

  925. 

  926.                 if (min > max)

  927.                 {

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

  929.                     min = max - 0.1f;

  930.                 }

  931.                 else if (carla_compareFloats(min, max))

  932.                 {

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

  934.                     max = min + 0.1f;

  935.                 }

  936. 

  937.                 // default value

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

  939. 

  940.                 if (def < min)

  941.                     def = min;

  942.                 else if (def > max)

  943.                     def = max;

  944. 

  945.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  946.                 {

  947.                     min *= sampleRate;

  948.                     max *= sampleRate;

  949.                     def *= sampleRate;

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

  951.                 }

  952. 

  953.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  954.                 {

  955.                     step = max - min;

  956.                     stepSmall = step;

  957.                     stepLarge = step;

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

  959.                 }

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

  961.                 {

  962.                     step = 1.0f;

  963.                     stepSmall = 1.0f;

  964.                     stepLarge = 10.0f;

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

  966.                 }

  967.                 else

  968.                 {

  969.                     const float range = max - min;

  970.                     step = range/100.0f;

  971.                     stepSmall = range/1000.0f;

  972.                     stepLarge = range/10.0f;

  973.                 }

  974. 

  975.                 if (LADSPA_IS_PORT_INPUT(portType))

  976.                 {

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

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

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

  980.                     needsCtrlIn = true;

  981. 

  982.                     // MIDI CC value

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

  984.                     {

  985.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandle, i);

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

  987.                         {

  988.                             int16_t cc = DSSI_CC_NUMBER(controller);

  989.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  991.                         }

  992.                     }

  993.                 }

  994.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  995.                 {

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

  997. 

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

  999.                     {

  1000.                         min = 0.0f;

  1001.                         max = sampleRate;

  1002.                         def = 0.0f;

  1003.                         step = 1.0f;

  1004.                         stepSmall = 1.0f;

  1005.                         stepLarge = 1.0f;

  1006.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1007.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  1008.                         fLatencyIndex = static_cast<int32_t>(j);

  1009.                     }

  1010.                     else

  1011.                     {

  1012.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1013.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1014.                         needsCtrlOut = true;

  1015.                     }

  1016.                 }

  1017.                 else

  1018.                 {

  1019.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1020.                 }

  1021. 

  1022.                 // extra parameter hints

  1023.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1024.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1025. 

  1026.                 pData->param.ranges[j].min = min;

  1027.                 pData->param.ranges[j].max = max;

  1028.                 pData->param.ranges[j].def = def;

  1029.                 pData->param.ranges[j].step = step;

  1030.                 pData->param.ranges[j].stepSmall = stepSmall;

  1031.                 pData->param.ranges[j].stepLarge = stepLarge;

  1032. 

  1033.                 // Start parameters in their default values

  1034.                 fParamBuffers[j] = def;

  1035. 

  1036.                 try {

  1037.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

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

  1039. 

  1040.                 if (fHandle2 != nullptr)

  1041.                 {

  1042.                     try {

  1043.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  1044.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2");

  1045.                 }

  1046.             }

  1047.             else

  1048.             {

  1049.                 // Not Audio or Control

  1050.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1051. 

  1052.                 try {

  1053.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1054.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1055. 

  1056.                 if (fHandle2 != nullptr)

  1057.                 {

  1058.                     try {

  1059.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1060.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1061.                 }

  1062.             }

  1063.         }

  1064. 

  1065.         if (needsCtrlIn)

  1066.         {

  1067.             portName.clear();

  1068. 

  1069.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1070.             {

  1071.                 portName  = pData->name;

  1072.                 portName += ":";

  1073.             }

  1074. 

  1075.             portName += "events-in";

  1076.             portName.truncate(portNameSize);

  1077. 

  1078.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1079.         }

  1080. 

  1081.         if (needsCtrlOut)

  1082.         {

  1083.             portName.clear();

  1084. 

  1085.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1086.             {

  1087.                 portName  = pData->name;

  1088.                 portName += ":";

  1089.             }

  1090. 

  1091.             portName += "events-out";

  1092.             portName.truncate(portNameSize);

  1093. 

  1094.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1095.         }

  1096. 

  1097.         if (forcedStereoIn || forcedStereoOut)

  1098.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1099.         else

  1100.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1101. 

  1102.         // plugin hints

  1103.         pData->hints = 0x0;

  1104. 

  1105.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1106.             pData->hints |= PLUGIN_IS_RTSAFE;

  1107. 

  1108. #ifdef HAVE_LIBLO

  1109.         if (fUiFilename != nullptr)

  1110.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1111. #endif

  1112. 

  1113. #ifndef BUILD_BRIDGE

  1114.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1115.             pData->hints |= PLUGIN_CAN_DRYWET;

  1116. 

  1117.         if (aOuts > 0)

  1118.             pData->hints |= PLUGIN_CAN_VOLUME;

  1119. 

  1120.         if (aOuts >= 2 && aOuts % 2 == 0)

  1121.             pData->hints |= PLUGIN_CAN_BALANCE;

  1122. #endif

  1123. 

  1124.         // extra plugin hints

  1125.         pData->extraHints = 0x0;

  1126. 

  1127.         if (mIns > 0)

  1128.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1129. 

  1130.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1131.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1132. 

  1133. #if 0 // TODO

  1134.         // check latency

  1135.         if (fLatencyIndex >= 0)

  1136.         {

  1137.             // we need to pre-run the plugin so it can update its latency control-port

  1138. 

  1139.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1140.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1141. 

  1142.             for (uint32_t j=0; j < aIns; ++j)

  1143.             {

  1144.                 tmpIn[j][0] = 0.0f;

  1145.                 tmpIn[j][1] = 0.0f;

  1146. 

  1147.                 try {

  1148.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1149.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1150.             }

  1151. 

  1152.             for (uint32_t j=0; j < aOuts; ++j)

  1153.             {

  1154.                 tmpOut[j][0] = 0.0f;

  1155.                 tmpOut[j][1] = 0.0f;

  1156. 

  1157.                 try {

  1158.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1159.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1160.             }

  1161. 

  1162.             if (fDescriptor->activate != nullptr)

  1163.             {

  1164.                 try {

  1165.                     fDescriptor->activate(fHandle);

  1166.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1167.             }

  1168. 

  1169.             try {

  1170.                 fDescriptor->run(fHandle, 2);

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

  1172. 

  1173.             if (fDescriptor->deactivate != nullptr)

  1174.             {

  1175.                 try {

  1176.                     fDescriptor->deactivate(fHandle);

  1177.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1178.             }

  1179. 

  1180.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1181. 

  1182.             if (latency >= 0)

  1183.             {

  1184.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1185. 

  1186.                 if (pData->latency != ulatency)

  1187.                 {

  1188.                     carla_stdout("latency = %i", latency);

  1189. 

  1190.                     pData->latency = ulatency;

  1191.                     pData->client->setLatency(ulatency);

  1192. #ifndef BUILD_BRIDGE

  1193.                     pData->recreateLatencyBuffers();

  1194. #endif

  1195.                 }

  1196.             }

  1197.             else

  1198.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1199. 

  1200.             fLatencyChanged = false;

  1201.         }

  1202. #endif

  1203. 

  1204.         bufferSizeChanged(pData->engine->getBufferSize());

  1205.         reloadPrograms(true);

  1206. 

  1207.         if (pData->active)

  1208.             activate();

  1209. 

  1210.         carla_debug("CarlaPluginDSSI::reload() - end");

  1211.     }

  1212. 

  1213.     void reloadPrograms(const bool doInit) override

  1214.     {

  1215.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1216.         const uint32_t oldCount = pData->midiprog.count;

  1217.         const int32_t  current  = pData->midiprog.current;

  1218. 

  1219.         // Delete old programs

  1220.         pData->midiprog.clear();

  1221. 

  1222.         // Query new programs

  1223.         uint32_t newCount = 0;

  1224.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1225.         {

  1226.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1227.                 ++newCount;

  1228.         }

  1229. 

  1230.         if (newCount > 0)

  1231.         {

  1232.             pData->midiprog.createNew(newCount);

  1233. 

  1234.             // Update data

  1235.             for (uint32_t i=0; i < newCount; ++i)

  1236.             {

  1237.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1238.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1239.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1240. 

  1241.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1242.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1243.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1244.             }

  1245.         }

  1246. 

  1247. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1248.         // Update OSC Names

  1249.         if (pData->engine->isOscControlRegistered())

  1250.         {

  1251.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1252. 

  1253.             for (uint32_t i=0; i < newCount; ++i)

  1254.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1255.         }

  1256. #endif

  1257. 

  1258.         if (doInit)

  1259.         {

  1260.             if (newCount > 0)

  1261.                 setMidiProgram(0, false, false, false);

  1262.         }

  1263.         else

  1264.         {

  1265.             // Check if current program is invalid

  1266.             bool programChanged = false;

  1267. 

  1268.             if (newCount == oldCount+1)

  1269.             {

  1270.                 // one midi program added, probably created by user

  1271.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1272.                 programChanged = true;

  1273.             }

  1274.             else if (current < 0 && newCount > 0)

  1275.             {

  1276.                 // programs exist now, but not before

  1277.                 pData->midiprog.current = 0;

  1278.                 programChanged = true;

  1279.             }

  1280.             else if (current >= 0 && newCount == 0)

  1281.             {

  1282.                 // programs existed before, but not anymore

  1283.                 pData->midiprog.current = -1;

  1284.                 programChanged = true;

  1285.             }

  1286.             else if (current >= static_cast<int32_t>(newCount))

  1287.             {

  1288.                 // current midi program > count

  1289.                 pData->midiprog.current = 0;

  1290.                 programChanged = true;

  1291.             }

  1292.             else

  1293.             {

  1294.                 // no change

  1295.                 pData->midiprog.current = current;

  1296.             }

  1297. 

  1298.             if (programChanged)

  1299.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1300. 

  1301.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1302.         }

  1303.     }

  1304. 

  1305.     // -------------------------------------------------------------------

  1306.     // Plugin processing

  1307. 

  1308.     void activate() noexcept override

  1309.     {

  1310.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1311.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1312. 

  1313.         if (fDescriptor->activate != nullptr)

  1314.         {

  1315.             try {

  1316.                 fDescriptor->activate(fHandle);

  1317.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1318. 

  1319.             if (fHandle2 != nullptr)

  1320.             {

  1321.                 try {

  1322.                     fDescriptor->activate(fHandle2);

  1323.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1324.             }

  1325.         }

  1326.     }

  1327. 

  1328.     void deactivate() noexcept override

  1329.     {

  1330.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1331.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1332. 

  1333.         if (fDescriptor->deactivate != nullptr)

  1334.         {

  1335.             try {

  1336.                 fDescriptor->deactivate(fHandle);

  1337.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1338. 

  1339.             if (fHandle2 != nullptr)

  1340.             {

  1341.                 try {

  1342.                     fDescriptor->deactivate(fHandle2);

  1343.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1344.             }

  1345.         }

  1346.     }

  1347. 

  1348.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1349.     {

  1350.         // --------------------------------------------------------------------------------------------------------

  1351.         // Check if active

  1352. 

  1353.         if (! pData->active)

  1354.         {

  1355.             // disable any output sound

  1356.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1357.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1358.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1359.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1360.             return;

  1361.         }

  1362. 

  1363.         ulong midiEventCount = 0;

  1364.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1365. 

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

  1367.         // Check if needs reset

  1368. 

  1369.         if (pData->needsReset)

  1370.         {

  1371.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1372.             {

  1373.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1374. 

  1375.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1376.                 {

  1377.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1378.                     fMidiEvents[i].data.control.channel = i;

  1379.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1380. 

  1381.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1382.                     fMidiEvents[k+i].data.control.channel = i;

  1383.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1384.                 }

  1385.             }

  1386.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1387.             {

  1388.                 midiEventCount = MAX_MIDI_NOTE;

  1389. 

  1390.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1391.                 {

  1392.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1393.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1394.                     fMidiEvents[i].data.note.note    = i;

  1395.                 }

  1396.             }

  1397. 

  1398. #ifndef BUILD_BRIDGE

  1399. #if 0 // TODO

  1400.             if (pData->latency > 0)

  1401.             {

  1402.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1403.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1404.             }

  1405. #endif

  1406. #endif

  1407. 

  1408.             pData->needsReset = false;

  1409.         }

  1410. 

  1411.         // --------------------------------------------------------------------------------------------------------

  1412.         // Event Input and Processing

  1413. 

  1414.         if (pData->event.portIn != nullptr)

  1415.         {

  1416.             // ----------------------------------------------------------------------------------------------------

  1417.             // MIDI Input (External)

  1418. 

  1419.             if (pData->extNotes.mutex.tryLock())

  1420.             {

  1421.                 ExternalMidiNote note = { 0, 0, 0 };

  1422. 

  1423.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1424.                 {

  1425.                     note = pData->extNotes.data.getFirst(note, true);

  1426. 

  1427.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1428. 

  1429.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1430. 

  1431.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1432.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1433.                     seqEvent.data.note.note     = note.note;

  1434.                     seqEvent.data.note.velocity = note.velo;

  1435.                 }

  1436. 

  1437.                 pData->extNotes.mutex.unlock();

  1438. 

  1439.             } // End of MIDI Input (External)

  1440. 

  1441.             // ----------------------------------------------------------------------------------------------------

  1442.             // Event Input (System)

  1443. 

  1444. #ifndef BUILD_BRIDGE

  1445.             bool       allNotesOffSent  = false;

  1446. #endif

  1447.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1448. 

  1449.             uint32_t startTime  = 0;

  1450.             uint32_t timeOffset = 0;

  1451.             uint32_t nextBankId;

  1452. 

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

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

  1455.             else

  1456.                 nextBankId = 0;

  1457. 

  1458.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1459.             {

  1460.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1461. 

  1462.                 if (event.time >= frames)

  1463.                     continue;

  1464. 

  1465.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1466. 

  1467.                 if (isSampleAccurate && event.time > timeOffset)

  1468.                 {

  1469.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1470.                     {

  1471.                         startTime  = 0;

  1472.                         timeOffset = event.time;

  1473.                         midiEventCount = 0;

  1474. 

  1475.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1476.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1477.                         else

  1478.                             nextBankId = 0;

  1479.                     }

  1480.                     else

  1481.                         startTime += timeOffset;

  1482.                 }

  1483. 

  1484.                 switch (event.type)

  1485.                 {

  1486.                 case kEngineEventTypeNull:

  1487.                     break;

  1488. 

  1489.                 case kEngineEventTypeControl: {

  1490.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1491. 

  1492.                     switch (ctrlEvent.type)

  1493.                     {

  1494.                     case kEngineControlEventTypeNull:

  1495.                         break;

  1496. 

  1497.                     case kEngineControlEventTypeParameter: {

  1498. #ifndef BUILD_BRIDGE

  1499.                         // Control backend stuff

  1500.                         if (event.channel == pData->ctrlChannel)

  1501.                         {

  1502.                             float value;

  1503. 

  1504.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1505.                             {

  1506.                                 value = ctrlEvent.value;

  1507.                                 setDryWet(value, false, false);

  1508.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1509.                                 break;

  1510.                             }

  1511. 

  1512.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1513.                             {

  1514.                                 value = ctrlEvent.value*127.0f/100.0f;

  1515.                                 setVolume(value, false, false);

  1516.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1517.                                 break;

  1518.                             }

  1519. 

  1520.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1521.                             {

  1522.                                 float left, right;

  1523.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1524. 

  1525.                                 if (value < 0.0f)

  1526.                                 {

  1527.                                     left  = -1.0f;

  1528.                                     right = (value*2.0f)+1.0f;

  1529.                                 }

  1530.                                 else if (value > 0.0f)

  1531.                                 {

  1532.                                     left  = (value*2.0f)-1.0f;

  1533.                                     right = 1.0f;

  1534.                                 }

  1535.                                 else

  1536.                                 {

  1537.                                     left  = -1.0f;

  1538.                                     right = 1.0f;

  1539.                                 }

  1540. 

  1541.                                 setBalanceLeft(left, false, false);

  1542.                                 setBalanceRight(right, false, false);

  1543.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1544.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1545.                                 break;

  1546.                             }

  1547.                         }

  1548. #endif

  1549.                         // Control plugin parameters

  1550.                         uint32_t k;

  1551.                         for (k=0; k < pData->param.count; ++k)

  1552.                         {

  1553.                             if (pData->param.data[k].midiChannel != event.channel)

  1554.                                 continue;

  1555.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1556.                                 continue;

  1557.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1558.                                 continue;

  1559.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1560.                                 continue;

  1561. 

  1562.                             float value;

  1563. 

  1564.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1565.                             {

  1566.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1567.                             }

  1568.                             else

  1569.                             {

  1570.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1571. 

  1572.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1573.                                     value = std::rint(value);

  1574.                             }

  1575. 

  1576.                             setParameterValue(k, value, false, false, false);

  1577.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1578.                             break;

  1579.                         }

  1580. 

  1581.                         // check if event is already handled

  1582.                         if (k != pData->param.count)

  1583.                             break;

  1584. 

  1585.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1586.                         {

  1587.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1588.                                 continue;

  1589. 

  1590.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1591. 

  1592.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1593. 

  1594.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1595.                             seqEvent.data.control.channel = event.channel;

  1596.                             seqEvent.data.control.param   = ctrlEvent.param;

  1597.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1598.                         }

  1599.                         break;

  1600.                     } // case kEngineControlEventTypeParameter

  1601. 

  1602.                     case kEngineControlEventTypeMidiBank:

  1603.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1604.                             nextBankId = ctrlEvent.param;

  1605.                         break;

  1606. 

  1607.                     case kEngineControlEventTypeMidiProgram:

  1608.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1609.                         {

  1610.                             const uint32_t nextProgramId = ctrlEvent.param;

  1611. 

  1612.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1613.                             {

  1614.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1615.                                 {

  1616.                                     const int32_t index(static_cast<int32_t>(k));

  1617.                                     setMidiProgram(index, false, false, false);

  1618.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1619.                                     break;

  1620.                                 }

  1621.                             }

  1622.                         }

  1623.                         break;

  1624. 

  1625.                     case kEngineControlEventTypeAllSoundOff:

  1626.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1627.                         {

  1628.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1629.                                 continue;

  1630. 

  1631.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1632. 

  1633.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1634. 

  1635.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1636.                             seqEvent.data.control.channel = event.channel;

  1637.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1638.                         }

  1639.                         break;

  1640. 

  1641.                     case kEngineControlEventTypeAllNotesOff:

  1642.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1643.                         {

  1644. #ifndef BUILD_BRIDGE

  1645.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1646.                             {

  1647.                                 allNotesOffSent = true;

  1648.                                 sendMidiAllNotesOffToCallback();

  1649.                             }

  1650. #endif

  1651. 

  1652.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1653.                                 continue;

  1654. 

  1655.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1656. 

  1657.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1658. 

  1659.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1660.                             seqEvent.data.control.channel = event.channel;

  1661.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1662.                         }

  1663.                         break;

  1664.                     } // switch (ctrlEvent.type)

  1665.                     break;

  1666.                 } // case kEngineEventTypeControl

  1667. 

  1668.                 case kEngineEventTypeMidi: {

  1669.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1670.                         continue;

  1671. 

  1672.                     const EngineMidiEvent& midiEvent(event.midi);

  1673. 

  1674.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1675.                         continue;

  1676. 

  1677.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1678. 

  1679.                     // Fix bad note-off (per DSSI spec)

  1680.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1681.                         status = MIDI_STATUS_NOTE_OFF;

  1682. 

  1683.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1684. 

  1685.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1686. 

  1687.                     switch (status)

  1688.                     {

  1689.                     case MIDI_STATUS_NOTE_OFF: {

  1690.                         const uint8_t note = midiEvent.data[1];

  1691. 

  1692.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1693.                         seqEvent.data.note.channel = event.channel;

  1694.                         seqEvent.data.note.note    = note;

  1695. 

  1696.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1697.                         break;

  1698.                     }

  1699. 

  1700.                     case MIDI_STATUS_NOTE_ON: {

  1701.                         const uint8_t note = midiEvent.data[1];

  1702.                         const uint8_t velo = midiEvent.data[2];

  1703. 

  1704.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1705.                         seqEvent.data.note.channel  = event.channel;

  1706.                         seqEvent.data.note.note     = note;

  1707.                         seqEvent.data.note.velocity = velo;

  1708. 

  1709.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1710.                         break;

  1711.                     }

  1712. 

  1713.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1714.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1715.                         {

  1716.                             const uint8_t note     = midiEvent.data[1];

  1717.                             const uint8_t pressure = midiEvent.data[2];

  1718. 

  1719.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1720.                             seqEvent.data.note.channel  = event.channel;

  1721.                             seqEvent.data.note.note     = note;

  1722.                             seqEvent.data.note.velocity = pressure;

  1723.                         }

  1724.                         break;

  1725. 

  1726.                     case MIDI_STATUS_CONTROL_CHANGE:

  1727.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1728.                         {

  1729.                             const uint8_t control = midiEvent.data[1];

  1730.                             const uint8_t value   = midiEvent.data[2];

  1731. 

  1732.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1733.                             seqEvent.data.control.channel = event.channel;

  1734.                             seqEvent.data.control.param   = control;

  1735.                             seqEvent.data.control.value   = value;

  1736.                         }

  1737.                         break;

  1738. 

  1739.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1740.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1741.                         {

  1742.                             const uint8_t pressure = midiEvent.data[1];

  1743. 

  1744.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1745.                             seqEvent.data.control.channel = event.channel;

  1746.                             seqEvent.data.control.value   = pressure;

  1747.                         }

  1748.                         break;

  1749. 

  1750.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1751.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1752.                         {

  1753.                             const uint8_t lsb = midiEvent.data[1];

  1754.                             const uint8_t msb = midiEvent.data[2];

  1755. 

  1756.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1757.                             seqEvent.data.control.channel = event.channel;

  1758.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1759.                         }

  1760.                         break;

  1761. 

  1762.                     default:

  1763.                         --midiEventCount;

  1764.                         break;

  1765.                     } // switch (status)

  1766.                 } break;

  1767.                 } // switch (event.type)

  1768.             }

  1769. 

  1770.             pData->postRtEvents.trySplice();

  1771. 

  1772.             if (frames > timeOffset)

  1773.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1774. 

  1775.         } // End of Event Input and Processing

  1776. 

  1777.         // --------------------------------------------------------------------------------------------------------

  1778.         // Plugin processing (no events)

  1779. 

  1780.         else

  1781.         {

  1782.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1783. 

  1784.         } // End of Plugin processing (no events)

  1785. 

  1786. #ifndef BUILD_BRIDGE

  1787. #if 0 // TODO

  1788.         // --------------------------------------------------------------------------------------------------------

  1789.         // Latency, save values for next callback

  1790. 

  1791.         if (fLatencyIndex != -1)

  1792.         {

  1793.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1794.             {

  1795.                 fLatencyChanged = true;

  1796.             }

  1797.             else if (pData->latency > 0)

  1798.             {

  1799.                 if (pData->latency <= frames)

  1800.                 {

  1801.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1802.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1803.                 }

  1804.                 else

  1805.                 {

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

  1807.                     {

  1808.                         for (k=0; k < pData->latency-frames; ++k)

  1809.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1810.                         for (j=0; k < pData->latency; ++j, ++k)

  1811.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1812.                     }

  1813.                 }

  1814.             }

  1815.         }

  1816. #endif

  1817. 

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

  1819.         // Control Output

  1820. 

  1821.         if (pData->event.portOut != nullptr)

  1822.         {

  1823.             uint8_t  channel;

  1824.             uint16_t param;

  1825.             float    value;

  1826. 

  1827.             for (uint32_t k=0; k < pData->param.count; ++k)

  1828.             {

  1829.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1830.                     continue;

  1831. 

  1832.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1833. 

  1834.                 if (pData->param.data[k].midiCC > 0)

  1835.                 {

  1836.                     channel = pData->param.data[k].midiChannel;

  1837.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1838.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1839.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1840.                 }

  1841.             }

  1842.         } // End of Control Output

  1843. #endif

  1844.     }

  1845. 

  1846.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset, const ulong midiEventCount)

  1847.     {

  1848.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1849. 

  1850.         if (pData->audioIn.count > 0)

  1851.         {

  1852.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1853.         }

  1854.         if (pData->audioOut.count > 0)

  1855.         {

  1856.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1857.         }

  1858.         if (pData->cvIn.count > 0)

  1859.         {

  1860.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1861.         }

  1862.         if (pData->cvOut.count > 0)

  1863.         {

  1864.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1865.         }

  1866. 

  1867.         // --------------------------------------------------------------------------------------------------------

  1868.         // Try lock, silence otherwise

  1869. 

  1870.         if (pData->engine->isOffline())

  1871.         {

  1872.             pData->singleMutex.lock();

  1873.         }

  1874.         else if (! pData->singleMutex.tryLock())

  1875.         {

  1876.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1877.             {

  1878.                 for (uint32_t k=0; k < frames; ++k)

  1879.                     audioOut[i][k+timeOffset] = 0.0f;

  1880.             }

  1881.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1882.             {

  1883.                 for (uint32_t k=0; k < frames; ++k)

  1884.                     cvOut[i][k+timeOffset] = 0.0f;

  1885.             }

  1886. 

  1887.             return false;

  1888.         }

  1889. 

  1890.         // --------------------------------------------------------------------------------------------------------

  1891.         // Set audio buffers

  1892. 

  1893.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1894.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1895. 

  1896.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1897.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1898. 

  1899. #if 0

  1900.         // --------------------------------------------------------------------------------------------------------

  1901.         // Set CV buffers

  1902. 

  1903.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1904.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1905. 

  1906.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1907.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1908. #endif

  1909. 

  1910.         // --------------------------------------------------------------------------------------------------------

  1911.         // Run plugin

  1912. 

  1913.         // TODO - try catch

  1914. 

  1915.         if (fDssiDescriptor->run_synth != nullptr)

  1916.         {

  1917.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1918. 

  1919.             if (fHandle2 != nullptr)

  1920.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1921.         }

  1922.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1923.         {

  1924.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1925.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1926.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1927.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1928.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1929.         }

  1930.         else

  1931.         {

  1932.             fDescriptor->run(fHandle, frames);

  1933. 

  1934.             if (fHandle2 != nullptr)

  1935.                 fDescriptor->run(fHandle2, frames);

  1936.         }

  1937. 

  1938. #ifndef BUILD_BRIDGE

  1939.         // --------------------------------------------------------------------------------------------------------

  1940.         // Post-processing (dry/wet, volume and balance)

  1941. 

  1942.         {

  1943.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1944.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1945.             const bool isMono    = (pData->audioIn.count == 1);

  1946. 

  1947.             bool isPair;

  1948.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1949. 

  1950.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1951.             {

  1952.                 // Dry/Wet

  1953.                 if (doDryWet)

  1954.                 {

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

  1956.                     {

  1957. #if 0 // TODO

  1958.                         if (k < pData->latency)

  1959.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1960.                         else if (pData->latency < frames)

  1961.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1962.                         else

  1963. #endif

  1964.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1965. 

  1966.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1967.                     }

  1968.                 }

  1969. 

  1970.                 // Balance

  1971.                 if (doBalance)

  1972.                 {

  1973.                     isPair = (i % 2 == 0);

  1974. 

  1975.                     if (isPair)

  1976.                     {

  1977.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1978.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1979.                     }

  1980. 

  1981.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1982.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1983. 

  1984.                     for (uint32_t k=0; k < frames; ++k)

  1985.                     {

  1986.                         if (isPair)

  1987.                         {

  1988.                             // left

  1989.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1990.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1991.                         }

  1992.                         else

  1993.                         {

  1994.                             // right

  1995.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1996.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1997.                         }

  1998.                     }

  1999.                 }

  2000. 

  2001.                 // Volume (and buffer copy)

  2002.                 {

  2003.                     for (uint32_t k=0; k < frames; ++k)

  2004.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2005.                 }

  2006.             }

  2007. 

  2008.         } // End of Post-processing

  2009. 

  2010. #else // BUILD_BRIDGE

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

  2012.         {

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

  2014.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2015.         }

  2016. #endif

  2017. 

  2018. #if 0

  2019.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2020.         {

  2021.             for (uint32_t k=0; k < frames; ++k)

  2022.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2023.         }

  2024. #endif

  2025. 

  2026.         // --------------------------------------------------------------------------------------------------------

  2027. 

  2028.         pData->singleMutex.unlock();

  2029.         return true;

  2030.     }

  2031. 

  2032.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2033.     {

  2034.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2035.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2036. 

  2037.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2038.         {

  2039.             if (fAudioInBuffers[i] != nullptr)

  2040.                 delete[] fAudioInBuffers[i];

  2041.             fAudioInBuffers[i] = new float[newBufferSize];

  2042.         }

  2043. 

  2044.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2045.         {

  2046.             if (fAudioOutBuffers[i] != nullptr)

  2047.                 delete[] fAudioOutBuffers[i];

  2048.             fAudioOutBuffers[i] = new float[newBufferSize];

  2049.         }

  2050. 

  2051.         if (fHandle2 == nullptr)

  2052.         {

  2053.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2054.             {

  2055.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2056. 

  2057.                 try {

  2058.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2059.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2060.             }

  2061. 

  2062.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2063.             {

  2064.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2065. 

  2066.                 try {

  2067.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2068.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2069.             }

  2070.         }

  2071.         else

  2072.         {

  2073.             if (pData->audioIn.count > 0)

  2074.             {

  2075.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2076.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2077.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2078. 

  2079.                 try {

  2080.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2081.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2082. 

  2083.                 try {

  2084.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2085.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2086.             }

  2087. 

  2088.             if (pData->audioOut.count > 0)

  2089.             {

  2090.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2091.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2092.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2093. 

  2094.                 try {

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

  2096.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2097. 

  2098.                 try {

  2099.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2100.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2101.             }

  2102.         }

  2103. 

  2104.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2105.     }

  2106. 

  2107.     void sampleRateChanged(const double newSampleRate) override

  2108.     {

  2109.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2110.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2111. 

  2112.         // TODO

  2113.         (void)newSampleRate;

  2114. 

  2115.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2116.     }

  2117. 

  2118.     // -------------------------------------------------------------------

  2119.     // Plugin buffers

  2120. 

  2121.     void clearBuffers() noexcept override

  2122.     {

  2123.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2124. 

  2125.         if (fAudioInBuffers != nullptr)

  2126.         {

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

  2128.             {

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

  2130.                 {

  2131.                     delete[] fAudioInBuffers[i];

  2132.                     fAudioInBuffers[i] = nullptr;

  2133.                 }

  2134.             }

  2135. 

  2136.             delete[] fAudioInBuffers;

  2137.             fAudioInBuffers = nullptr;

  2138.         }

  2139. 

  2140.         if (fAudioOutBuffers != nullptr)

  2141.         {

  2142.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2143.             {

  2144.                 if (fAudioOutBuffers[i] != nullptr)

  2145.                 {

  2146.                     delete[] fAudioOutBuffers[i];

  2147.                     fAudioOutBuffers[i] = nullptr;

  2148.                 }

  2149.             }

  2150. 

  2151.             delete[] fAudioOutBuffers;

  2152.             fAudioOutBuffers = nullptr;

  2153.         }

  2154. 

  2155.         if (fParamBuffers != nullptr)

  2156.         {

  2157.             delete[] fParamBuffers;

  2158.             fParamBuffers = nullptr;

  2159.         }

  2160. 

  2161.         CarlaPlugin::clearBuffers();

  2162. 

  2163.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2164.     }

  2165. 

  2166. #ifdef HAVE_LIBLO

  2167.     // -------------------------------------------------------------------

  2168.     // OSC stuff

  2169. 

  2170.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2171.     {

  2172.         const lo_address source(lo_message_get_source(msg));

  2173.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2174. 

  2175.         // protocol for DSSI UIs *must* be UDP

  2176.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2177. 

  2178.         if (fOscData.source == nullptr)

  2179.         {

  2180.             // if no UI is registered yet only "update" message is valid

  2181.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2182.         }

  2183.         else

  2184.         {

  2185.             // make sure message source is the DSSI UI

  2186.             const char* const msghost = lo_address_get_hostname(source);

  2187.             const char* const msgport = lo_address_get_port(source);

  2188. 

  2189.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2190.             const char* const ourport = lo_address_get_port(fOscData.source);

  2191. 

  2192.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2193.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2194.         }

  2195. 

  2196.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2197. 

  2198.         if (std::strcmp(method, "configure") == 0)

  2199.             return handleOscMessageConfigure(argc, argv, types);

  2200.         if (std::strcmp(method, "control") == 0)

  2201.             return handleOscMessageControl(argc, argv, types);

  2202.         if (std::strcmp(method, "program") == 0)

  2203.             return handleOscMessageProgram(argc, argv, types);

  2204.         if (std::strcmp(method, "midi") == 0)

  2205.             return handleOscMessageMIDI(argc, argv, types);

  2206.         if (std::strcmp(method, "update") == 0)

  2207.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2208.         if (std::strcmp(method, "exiting") == 0)

  2209.             return handleOscMessageExiting();

  2210. 

  2211.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2212.     }

  2213. 

  2214.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2215.     {

  2216.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2217.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2218. 

  2219.         const char* const key   = (const char*)&argv[0]->s;

  2220.         const char* const value = (const char*)&argv[1]->s;

  2221. 

  2222.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2223.     }

  2224. 

  2225.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2226.     {

  2227.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2228.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2229. 

  2230.         const int32_t rindex = argv[0]->i;

  2231.         const float   value  = argv[1]->f;

  2232. 

  2233.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2234.     }

  2235. 

  2236.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2237.     {

  2238.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2239.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2240. 

  2241.         const int32_t bank    = argv[0]->i;

  2242.         const int32_t program = argv[1]->i;

  2243. 

  2244.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2245.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2246. 

  2247.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2248.     }

  2249. 

  2250.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2251.     {

  2252.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2253.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2254. 

  2255.         if (getMidiInCount() == 0)

  2256.         {

  2257.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2258.             return;

  2259.         }

  2260. 

  2261.         const uint8_t* const data = argv[0]->m;

  2262.         uint8_t status  = data[1];

  2263.         uint8_t channel = status & 0x0F;

  2264. 

  2265.         // Fix bad note-off

  2266.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2267.             status = MIDI_STATUS_NOTE_OFF;

  2268. 

  2269.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2270.         {

  2271.             const uint8_t note = data[2];

  2272. 

  2273.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2274. 

  2275.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2276.         }

  2277.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2278.         {

  2279.             const uint8_t note = data[2];

  2280.             const uint8_t velo = data[3];

  2281. 

  2282.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2283.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2284. 

  2285.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2286.         }

  2287.     }

  2288. 

  2289.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2290.     {

  2291.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2292.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2293. 

  2294.         const char* const url = (const char*)&argv[0]->s;

  2295. 

  2296.         // FIXME - remove debug prints later

  2297.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2298. 

  2299.         fOscData.clear();

  2300. 

  2301.         const int proto = lo_address_get_protocol(source);

  2302. 

  2303.         {

  2304.             const char* host = lo_address_get_hostname(source);

  2305.             const char* port = lo_address_get_port(source);

  2306.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2307. 

  2308.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2309.         }

  2310. 

  2311.         {

  2312.             char* host = lo_url_get_hostname(url);

  2313.             char* port = lo_url_get_port(url);

  2314.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2315.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2316.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2317. 

  2318.             std::free(host);

  2319.             std::free(port);

  2320.         }

  2321. 

  2322.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2323. 

  2324.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2325.         {

  2326.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2327.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2328. 

  2329.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2330.                 osc_send_configure(fOscData, customData.key, customData.value);

  2331.         }

  2332. 

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

  2334.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2335. 

  2336.         if (pData->midiprog.current >= 0)

  2337.         {

  2338.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2339. 

  2340.             if (getType() == PLUGIN_DSSI)

  2341.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2342.             else

  2343.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2344.         }

  2345. 

  2346.         for (uint32_t i=0; i < pData->param.count; ++i)

  2347.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2348. 

  2349.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2350.             pData->transientTryCounter = 1;

  2351. 

  2352.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2353.     }

  2354. 

  2355.     void handleOscMessageExiting()

  2356.     {

  2357.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2358. 

  2359.         // hide UI

  2360.         showCustomUI(false);

  2361. 

  2362.         // tell frontend

  2363.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2364.     }

  2365. #endif

  2366. 

  2367. #ifdef HAVE_LIBLO

  2368.     // -------------------------------------------------------------------

  2369.     // Post-poned UI Stuff

  2370. 

  2371.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2372.     {

  2373.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2374. 

  2375.         if (fOscData.target == nullptr)

  2376.             return;

  2377. 

  2378.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2379.     }

  2380. 

  2381.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2382.     {

  2383.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2384. 

  2385.         if (fOscData.target == nullptr)

  2386.             return;

  2387. 

  2388.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2389.     }

  2390. 

  2391.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2392.     {

  2393.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2394.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2395.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2396. 

  2397.         if (fOscData.target == nullptr)

  2398.             return;

  2399. 

  2400. #if 0

  2401.         uint8_t midiData[4];

  2402.         midiData[0] = 0;

  2403.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2404.         midiData[2] = note;

  2405.         midiData[3] = velo;

  2406. 

  2407.         osc_send_midi(fOscData, midiData);

  2408. #endif

  2409.     }

  2410. 

  2411.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2412.     {

  2413.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2414.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2415. 

  2416.         if (fOscData.target == nullptr)

  2417.             return;

  2418. 

  2419. #if 0

  2420.         uint8_t midiData[4];

  2421.         midiData[0] = 0;

  2422.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2423.         midiData[2] = note;

  2424.         midiData[3] = 0;

  2425. 

  2426.         osc_send_midi(fOscData, midiData);

  2427. #endif

  2428.     }

  2429. #endif

  2430. 

  2431.     // -------------------------------------------------------------------

  2432. 

  2433.     void* getNativeHandle() const noexcept override

  2434.     {

  2435.         return fHandle;

  2436.     }

  2437. 

  2438.     const void* getNativeDescriptor() const noexcept override

  2439.     {

  2440.         return fDssiDescriptor;

  2441.     }

  2442. 

  2443. #ifdef HAVE_LIBLO

  2444.     uintptr_t getUiBridgeProcessId() const noexcept override

  2445.     {

  2446.         return fThreadUI.getProcessPID();

  2447.     }

  2448. 

  2449.     const void* getExtraStuff() const noexcept override

  2450.     {

  2451.         return fUiFilename;

  2452.     }

  2453. #endif

  2454. 

  2455.     // -------------------------------------------------------------------

  2456. 

  2457.     bool init(const char* const filename, const char* const name, const char* const label)

  2458.     {

  2459.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2460. 

  2461.         // ---------------------------------------------------------------

  2462.         // first checks

  2463. 

  2464.         if (pData->client != nullptr)

  2465.         {

  2466.             pData->engine->setLastError("Plugin client is already registered");

  2467.             return false;

  2468.         }

  2469. 

  2470.         if (filename == nullptr || filename[0] == '\0')

  2471.         {

  2472.             pData->engine->setLastError("null filename");

  2473.             return false;

  2474.         }

  2475. 

  2476.         if (label == nullptr || label[0] == '\0')

  2477.         {

  2478.             pData->engine->setLastError("null label");

  2479.             return false;

  2480.         }

  2481. 

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

  2483.         // open DLL

  2484. 

  2485.         if (! pData->libOpen(filename))

  2486.         {

  2487.             pData->engine->setLastError(pData->libError(filename));

  2488.             return false;

  2489.         }

  2490. 

  2491.         // ---------------------------------------------------------------

  2492.         // get DLL main entry

  2493. 

  2494.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2495. 

  2496.         if (descFn == nullptr)

  2497.         {

  2498.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2499.             return false;

  2500.         }

  2501. 

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

  2503.         // get descriptor that matches label

  2504. 

  2505.         ulong i = 0;

  2506. 

  2507.         for (;;)

  2508.         {

  2509.             try {

  2510.                 fDssiDescriptor = descFn(i++);

  2511.             }

  2512.             catch(...) {

  2513.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2514.                 fDescriptor     = nullptr;

  2515.                 fDssiDescriptor = nullptr;

  2516.                 break;

  2517.             }

  2518. 

  2519.             if (fDssiDescriptor == nullptr)

  2520.                 break;

  2521. 

  2522.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2523. 

  2524.             if (fDescriptor == nullptr)

  2525.             {

  2526.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2527.                 fDssiDescriptor = nullptr;

  2528.                 break;

  2529.             }

  2530.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2531.             {

  2532.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2533.                 fDescriptor     = nullptr;

  2534.                 fDssiDescriptor = nullptr;

  2535.                 break;

  2536.             }

  2537.             if (fDescriptor->run == nullptr)

  2538.             {

  2539.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2540.                 fDescriptor     = nullptr;

  2541.                 fDssiDescriptor = nullptr;

  2542.                 break;

  2543.             }

  2544. 

  2545.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2546.                 break;

  2547.         }

  2548. 

  2549.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2550.         {

  2551.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2552.             return false;

  2553.         }

  2554. 

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

  2556.         // check if uses global instance

  2557. 

  2558.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2559.         {

  2560.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2561.             {

  2562.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2563.                 return false;

  2564.             }

  2565.         }

  2566. 

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

  2568.         // get info

  2569. 

  2570.         if (name != nullptr && name[0] != '\0')

  2571.             pData->name = pData->engine->getUniquePluginName(name);

  2572.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2573.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2574.         else

  2575.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2576. 

  2577.         pData->filename = carla_strdup(filename);

  2578. 

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

  2580.         // register client

  2581. 

  2582.         pData->client = pData->engine->addClient(this);

  2583. 

  2584.         if (pData->client == nullptr || ! pData->client->isOk())

  2585.         {

  2586.             pData->engine->setLastError("Failed to register plugin client");

  2587.             return false;

  2588.         }

  2589. 

  2590.         // ---------------------------------------------------------------

  2591.         // initialize plugin

  2592. 

  2593.         try {

  2594.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2595.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2596. 

  2597.         if (fHandle == nullptr)

  2598.         {

  2599.             pData->engine->setLastError("Plugin failed to initialize");

  2600.             return false;

  2601.         }

  2602. 

  2603.         // ---------------------------------------------------------------

  2604.         // check for custom data extension

  2605. 

  2606.         if (fDssiDescriptor->configure != nullptr)

  2607.         {

  2608.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2609.             {

  2610.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2611.                     fUsesCustomData = true;

  2612. 

  2613.                 std::free(error);

  2614.             }

  2615.         }

  2616. 

  2617. #ifdef HAVE_LIBLO

  2618.         // ---------------------------------------------------------------

  2619.         // gui stuff

  2620. 

  2621.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2622.         {

  2623.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2624.             fUiFilename = guiFilename;

  2625.         }

  2626. #endif

  2627. 

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

  2629.         // set default options

  2630. 

  2631. #ifdef __USE_GNU

  2632.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2633. #else

  2634.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2635. #endif

  2636. 

  2637.         pData->options = 0x0;

  2638. 

  2639.         if (fLatencyIndex >= 0 || isDssiVst)

  2640.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2641. 

  2642.         if (pData->engine->getOptions().forceStereo)

  2643.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2644. 

  2645.         if (fUsesCustomData)

  2646.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2647. 

  2648.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2649.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2650. 

  2651.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2652.         {

  2653.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2654.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2655.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2656.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2657. 

  2658.             if (fDssiDescriptor->run_synth == nullptr)

  2659.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2660.         }

  2661. 

  2662.         return true;

  2663.     }

  2664. 

  2665.     // -------------------------------------------------------------------

  2666. 

  2667. private:

  2668.     LADSPA_Handle fHandle;

  2669.     LADSPA_Handle fHandle2;

  2670.     const LADSPA_Descriptor* fDescriptor;

  2671.     const DSSI_Descriptor*   fDssiDescriptor;

  2672. 

  2673.     bool fUsesCustomData;

  2674. #ifdef HAVE_LIBLO

  2675.     const char* fUiFilename;

  2676. #endif

  2677. 

  2678.     float** fAudioInBuffers;

  2679.     float** fAudioOutBuffers;

  2680.     float*  fParamBuffers;

  2681. 

  2682.     bool    fLatencyChanged;

  2683.     int32_t fLatencyIndex; // -1 if invalid

  2684. 

  2685.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2686. 

  2687. #ifdef HAVE_LIBLO

  2688.     CarlaOscData      fOscData;

  2689.     CarlaThreadDSSIUI fThreadUI;

  2690. #endif

  2691. 

  2692.     // -------------------------------------------------------------------

  2693. 

  2694.     uint32_t getSafePortCount() const noexcept

  2695.     {

  2696.         if (fDescriptor->PortCount == 0)

  2697.             return 0;

  2698. 

  2699.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2700.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2701.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2702. 

  2703.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2704.     }

  2705. 

  2706.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2707.     {

  2708.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2709.             return true;

  2710.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2711.             return true;

  2712.         return false;

  2713.     }

  2714. 

  2715.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2716.     {

  2717.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2718. 

  2719.         if (sepBracketStart == nullptr)

  2720.             return false;

  2721. 

  2722.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2723. 

  2724.         if (sepBracketEnd == nullptr)

  2725.             return false;

  2726. 

  2727.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2728. 

  2729.         if (unitSize > 7) // very unlikely to have such big unit

  2730.             return false;

  2731. 

  2732.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2733. 

  2734.         // just in case

  2735.         if (sepIndex > STR_MAX)

  2736.             return false;

  2737. 

  2738.         if (wantName)

  2739.         {

  2740.             std::strncpy(strBuf, paramName, sepIndex);

  2741.             strBuf[sepIndex] = '\0';

  2742.         }

  2743.         else

  2744.         {

  2745.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2746.             strBuf[unitSize] = '\0';

  2747.         }

  2748. 

  2749.         return true;

  2750.     }

  2751. 

  2752.     // -------------------------------------------------------------------

  2753. 

  2754.     static LinkedList<const char*> sMultiSynthList;

  2755. 

  2756.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2757.     {

  2758.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2759. 

  2760.         const char* dlabel = nullptr;

  2761. 

  2762.         try {

  2763.             dlabel = carla_strdup(label);

  2764.         } catch(...) { return false; }

  2765. 

  2766.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2767.         {

  2768.             const char* const itLabel(it.getValue());

  2769. 

  2770.             if (std::strcmp(dlabel, itLabel) == 0)

  2771.             {

  2772.                 delete[] dlabel;

  2773.                 return false;

  2774.             }

  2775.         }

  2776. 

  2777.         return sMultiSynthList.append(dlabel);

  2778.     }

  2779. 

  2780.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2781.     {

  2782.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2783. 

  2784.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2785.         {

  2786.             const char* const itLabel(it.getValue());

  2787. 

  2788.             if (std::strcmp(label, itLabel) == 0)

  2789.             {

  2790.                 sMultiSynthList.remove(it);

  2791.                 delete[] itLabel;

  2792.                 break;

  2793.             }

  2794.         }

  2795.     }

  2796. 

  2797.     // -------------------------------------------------------------------

  2798. 

  2799.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2800. };

  2801. 

  2802. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2803. 

  2804. // -------------------------------------------------------------------------------------------------------------------

  2805. 

  2806. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2807. {

  2808.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2809. 

  2810.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2811. 

  2812.     if (! plugin->init(init.filename, init.name, init.label))

  2813.     {

  2814.         delete plugin;

  2815.         return nullptr;

  2816.     }

  2817. 

  2818.     plugin->reload();

  2819. 

  2820.     bool canRun = true;

  2821. 

  2822.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2823.     {

  2824.         if (! plugin->canRunInRack())

  2825.         {

  2826.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2827.             canRun = false;

  2828.         }

  2829.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2830.         {

  2831.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2832.             canRun = false;

  2833.         }

  2834.     }

  2835.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2836.     {

  2837.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2838.         canRun = false;

  2839.     }

  2840. 

  2841.     if (! canRun)

  2842.     {

  2843.         delete plugin;

  2844.         return nullptr;

  2845.     }

  2846. 

  2847.     return plugin;

  2848. }

  2849. 

  2850. // -------------------------------------------------------------------------------------------------------------------

  2851. 

  2852. CARLA_BACKEND_END_NAMESPACE