falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
2646 Commits
16 Branches
318MB
Tree: 3e39c703f2
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '3e39c703f2'
${ noResults }
Carla/source/backend/plugin/CarlaPluginDSSI.cpp

2861 lines
102KB
Raw Blame History 

  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 "CarlaThread.hpp"

  30. #endif

  31. 

  32. using juce::ChildProcess;

  33. using juce::ScopedPointer;

  34. using juce::String;

  35. using juce::StringArray;

  36. 

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

  38.     /* check argument count */                                                                                                  \

  39.     if (argc != argcToCompare)                                                                                                  \

  40.     {                                                                                                                           \

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

  42.         return;                                                                                                                 \

  43.     }                                                                                                                           \

  44.     if (argc > 0)                                                                                                               \

  45.     {                                                                                                                           \

  46.         /* check for nullness */                                                                                                \

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

  48.         {                                                                                                                       \

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

  50.             return;                                                                                                             \

  51.         }                                                                                                                       \

  52.         /* check argument types */                                                                                              \

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

  54.         {                                                                                                                       \

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

  56.             return;                                                                                                             \

  57.         }                                                                                                                       \

  58.     }

  59. 

  60. CARLA_BACKEND_START_NAMESPACE

  61. 

  62. // -------------------------------------------------------------------

  63. // Fallback data

  64. 

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

  66. 

  67. #ifdef HAVE_LIBLO

  68. // -------------------------------------------------------------------

  69. 

  70. class CarlaThreadDSSIUI : public CarlaThread

  71. {

  72. public:

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

  74.         : CarlaThread("CarlaThreadDSSIUI"),

  75.           kEngine(engine),

  76.           kPlugin(plugin),

  77.           fBinary(),

  78.           fLabel(),

  79.           fOscData(oscData),

  80.           fProcess(),

  81.           leakDetector_CarlaThreadDSSIUI() {}

  82. 

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

  84.     {

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

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

  87.         CARLA_SAFE_ASSERT(! isThreadRunning());

  88. 

  89.         fBinary = binary;

  90.         fLabel  = label;

  91. 

  92.         if (fLabel.isEmpty())

  93.             fLabel = "\"\"";

  94.     }

  95. 

  96.     uintptr_t getProcessPID() const noexcept

  97.     {

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

  99. 

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

  101.     }

  102. 

  103.     void run()

  104.     {

  105.         if (fProcess == nullptr)

  106.         {

  107.             fProcess = new ChildProcess();

  108.         }

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

  110.         {

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

  112. 

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

  114.             fProcess->kill();

  115.             fProcess = nullptr;

  116.             return;

  117.         }

  118. 

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

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

  121. 

  122.         if (name.isEmpty())

  123.             name = "(none)";

  124. 

  125.         if (filename.isEmpty())

  126.             filename = "\"\"";

  127. 

  128.         StringArray arguments;

  129. 

  130.         // binary

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

  132. 

  133.         // osc-url

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

  135. 

  136.         // filename

  137.         arguments.add(filename);

  138. 

  139.         // label

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

  141. 

  142.         // ui-title

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

  144. 

  145.         bool started;

  146. 

  147.         {

  148. #ifdef CARLA_OS_LINUX

  149.             const ScopedEngineEnvironmentLocker _seel(kEngine);

  150. 

  151.             // get current LD_PRELOAD, will restore it later

  152.             const char* const oldPreload(std::getenv("LD_PRELOAD"));

  153. 

  154. # ifdef HAVE_X11

  155.             // if the frontend uses winId parent, set LD_PRELOAD to auto-map the DSSI UI

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

  157. 

  158.             if (winId != 0)

  159.             {

  160.                 char strBuf[STR_MAX+1];

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

  162.                 std::snprintf(strBuf, STR_MAX, P_UINTPTR, kEngine->getOptions().frontendWinId);

  163.                 ::setenv("CARLA_ENGINE_OPTION_FRONTEND_WIN_ID", strBuf, 1);

  164. 

  165.                 CarlaString interposerPath(CarlaString(kEngine->getOptions().binaryDir) +

  166.                                            CARLA_OS_SEP_STR "libcarla_interposer-x11.so");

  167.                 ::setenv("LD_PRELOAD", interposerPath.buffer(), 1);

  168.             }

  169.             else

  170. # else

  171.             // if no X11 or winId set, simply unset LD_PRELOAD

  172.             // (it might be set to libcarla_interposer-safe)

  173.             if (oldPreload != nullptr)

  174.                 ::unsetenv("LD_PRELOAD");

  175. # endif

  176. #endif // CARLA_OS_LINUX

  177. 

  178.             // start the DSSI UI application

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

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

  181. 

  182. #ifdef CARLA_OS_LINUX

  183.             // restore initial state

  184.             if (oldPreload != nullptr)

  185.             {

  186.                 ::setenv("LD_PRELOAD", oldPreload, 1);

  187.             }

  188. # ifdef HAVE_X11

  189.             if (winId != 0)

  190.             {

  191.                 ::unsetenv("CARLA_ENGINE_OPTION_FRONTEND_WIN_ID");

  192. 

  193.                 if (oldPreload == nullptr)

  194.                     ::unsetenv("LD_PRELOAD");

  195.             }

  196. # endif

  197. #endif // CARLA_OS_LINUX

  198.         }

  199. 

  200.         if (! started)

  201.         {

  202.             carla_stdout("failed!");

  203.             fProcess = nullptr;

  204.             return;

  205.         }

  206. 

  207.         if (waitForOscGuiShow())

  208.         {

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

  210.                 carla_sleep(1);

  211. 

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

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

  214.             {

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

  216. 

  217.                 if (fProcess->isRunning())

  218.                 {

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

  220.                     fProcess->kill();

  221.                 }

  222.                 else

  223.                 {

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

  225.                 }

  226.             }

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

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

  229.             else

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

  231. 

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

  233.         }

  234.         else

  235.         {

  236.             fProcess->kill();

  237. 

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

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

  240.         }

  241. 

  242.         carla_stdout("DSSI UI finished");

  243.         fProcess = nullptr;

  244.     }

  245. 

  246. private:

  247.     CarlaEngine* const kEngine;

  248.     CarlaPlugin* const kPlugin;

  249. 

  250.     CarlaString fBinary;

  251.     CarlaString fLabel;

  252. 

  253.     const CarlaOscData&         fOscData;

  254.     ScopedPointer<ChildProcess> fProcess;

  255. 

  256.     bool waitForOscGuiShow()

  257.     {

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

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

  260. 

  261.         // wait for UI 'update' call

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

  263.         {

  264.             if (fOscData.target != nullptr)

  265.             {

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

  267.                 osc_send_show(fOscData);

  268.                 return true;

  269.             }

  270. 

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

  272.                 carla_msleep(100);

  273.             else

  274.                 return false;

  275.         }

  276. 

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

  278.         return false;

  279.     }

  280. 

  281.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  282. };

  283. #endif

  284. 

  285. // -----------------------------------------------------

  286. 

  287. class CarlaPluginDSSI : public CarlaPlugin

  288. {

  289. public:

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

  291.         : CarlaPlugin(engine, id),

  292.           fHandle(nullptr),

  293.           fHandle2(nullptr),

  294.           fDescriptor(nullptr),

  295.           fDssiDescriptor(nullptr),

  296.           fUsesCustomData(false),

  297. #ifdef HAVE_LIBLO

  298.           fUiFilename(nullptr),

  299. #endif

  300.           fAudioInBuffers(nullptr),

  301.           fAudioOutBuffers(nullptr),

  302.           fParamBuffers(nullptr),

  303.           fLatencyChanged(false),

  304.           fLatencyIndex(-1),

  305. #ifdef HAVE_LIBLO

  306.           fOscData(),

  307.           fThreadUI(engine, this, fOscData),

  308. #endif

  309.           leakDetector_CarlaPluginDSSI()

  310.     {

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

  312.     }

  313. 

  314.     ~CarlaPluginDSSI() noexcept override

  315.     {

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

  317. 

  318. #ifdef HAVE_LIBLO

  319.         // close UI

  320.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  321.         {

  322.             showCustomUI(false);

  323. 

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

  325.         }

  326. #endif

  327. 

  328.         pData->singleMutex.lock();

  329.         pData->masterMutex.lock();

  330. 

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

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

  333. 

  334.         if (pData->active)

  335.         {

  336.             deactivate();

  337.             pData->active = false;

  338.         }

  339. 

  340.         if (fDescriptor != nullptr)

  341.         {

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

  343.                 removeUniqueMultiSynth(fDescriptor->Label);

  344. 

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

  346.             {

  347.                 if (fHandle != nullptr)

  348.                 {

  349.                     try {

  350.                         fDescriptor->cleanup(fHandle);

  351.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  352.                 }

  353. 

  354.                 if (fHandle2 != nullptr)

  355.                 {

  356.                     try {

  357.                         fDescriptor->cleanup(fHandle2);

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

  359.                 }

  360.             }

  361. 

  362.             fHandle  = nullptr;

  363.             fHandle2 = nullptr;

  364.             fDescriptor = nullptr;

  365.             fDssiDescriptor = nullptr;

  366.         }

  367. 

  368. #ifdef HAVE_LIBLO

  369.         if (fUiFilename != nullptr)

  370.         {

  371.             delete[] fUiFilename;

  372.             fUiFilename = nullptr;

  373.         }

  374. #endif

  375. 

  376.         clearBuffers();

  377.     }

  378. 

  379.     // -------------------------------------------------------------------

  380.     // Information (base)

  381. 

  382.     PluginType getType() const noexcept override

  383.     {

  384.         return PLUGIN_DSSI;

  385.     }

  386. 

  387.     PluginCategory getCategory() const noexcept override

  388.     {

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

  390. 

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

  392.             return PLUGIN_CATEGORY_SYNTH;

  393. 

  394.         return CarlaPlugin::getCategory();

  395.     }

  396. 

  397.     int64_t getUniqueId() const noexcept override

  398.     {

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

  400. 

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

  402.     }

  403. 

  404.     // -------------------------------------------------------------------

  405.     // Information (count)

  406. 

  407.     // nothing

  408. 

  409.     // -------------------------------------------------------------------

  410.     // Information (current data)

  411. 

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

  413.     {

  414.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  421. 

  422.         *dataPtr = nullptr;

  423. 

  424.         int ret = 0;

  425.         ulong dataSize = 0;

  426. 

  427.         try {

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

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

  430. 

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

  432.     }

  433. 

  434.     // -------------------------------------------------------------------

  435.     // Information (per-plugin data)

  436. 

  437.     uint getOptionsAvailable() const noexcept override

  438.     {

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

  440. 

  441. #ifdef __USE_GNU

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

  443. #else

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

  445. #endif

  446. 

  447.         uint options = 0x0;

  448. 

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

  450.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  451. 

  452.         if (! isDssiVst)

  453.         {

  454.             if (fLatencyIndex == -1)

  455.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  456. 

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

  458.             {

  459.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  460.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  462.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  463.             }

  464.         }

  465. 

  466.         if (fUsesCustomData)

  467.             options |= PLUGIN_OPTION_USE_CHUNKS;

  468. 

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

  470.         {

  471.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  472.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  473.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  474.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  475.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  476.         }

  477. 

  478.         return options;

  479.     }

  480. 

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

  482.     {

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

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

  485. 

  486.         return fParamBuffers[parameterId];

  487.     }

  488. 

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

  490.     {

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

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

  493. 

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

  495.     }

  496. 

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

  498.     {

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

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

  501. 

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

  503.     }

  504. 

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

  506.     {

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

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

  509. 

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

  511.     }

  512. 

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

  514.     {

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

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

  517. 

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

  519.     }

  520. 

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

  522.     {

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

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

  525. 

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

  527. 

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

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

  530. 

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

  532.             return;

  533. 

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

  535.     }

  536. 

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

  538.     {

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

  540. 

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

  542. 

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

  544. 

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

  546.             return;

  547. 

  548.         nullStrBuf(strBuf);

  549.     }

  550. 

  551.     // -------------------------------------------------------------------

  552.     // Set data (state)

  553. 

  554.     // nothing

  555. 

  556.     // -------------------------------------------------------------------

  557.     // Set data (internal stuff)

  558. 

  559.     void setId(const uint newId) noexcept

  560.     {

  561.         CarlaPlugin::setId(newId);

  562. 

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

  564.         // FIXME - must be RT safe

  565.         showCustomUI(false);

  566.     }

  567. 

  568.     // -------------------------------------------------------------------

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

  570. 

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

  572.     {

  573.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  575. 

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

  577.         fParamBuffers[parameterId] = fixedValue;

  578. 

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

  580.     }

  581. 

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

  583.     {

  584.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  585.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  588.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  590. 

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

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

  593. 

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

  595.         {

  596.             try {

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

  598.             } catch(...) {}

  599. 

  600.             if (fHandle2 != nullptr)

  601.             {

  602.                 try {

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

  604.                 } catch(...) {}

  605.             }

  606.         }

  607. 

  608. #ifdef HAVE_LIBLO

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

  610.             osc_send_configure(fOscData, key, value);

  611. #endif

  612. 

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

  614.         {

  615.             const ScopedSingleProcessLocker spl(this, true);

  616.             reloadPrograms(false);

  617.         }

  618. 

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

  620.     }

  621. 

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

  623.     {

  624.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  626.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  628.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  629.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  630.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  631.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  632. 

  633.         {

  634.             const ScopedSingleProcessLocker spl(this, true);

  635. 

  636.             try {

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

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

  639.         }

  640. 

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

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

  643. #else

  644.         const bool sendOsc(false);

  645. #endif

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

  647.     }

  648. 

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

  650.     {

  651.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  653.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  655. 

  656.         if (index >= 0)

  657.         {

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

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

  660. 

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

  662. 

  663.             try {

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

  665.             } catch(...) {}

  666. 

  667.             if (fHandle2 != nullptr)

  668.             {

  669.                 try {

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

  671.                 } catch(...) {}

  672.             }

  673.         }

  674. 

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

  676.     }

  677. 

  678. #ifdef HAVE_LIBLO

  679.     // -------------------------------------------------------------------

  680.     // Set ui stuff

  681. 

  682.     void showCustomUI(const bool yesNo) override

  683.     {

  684.         if (yesNo)

  685.         {

  686.             fOscData.clear();

  687.             fThreadUI.startThread();

  688.         }

  689.         else

  690.         {

  691.             pData->transientTryCounter = 0;

  692. 

  693.             if (fOscData.target != nullptr)

  694.             {

  695.                 osc_send_hide(fOscData);

  696.                 osc_send_quit(fOscData);

  697.                 fOscData.clear();

  698.             }

  699. 

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

  701.         }

  702.     }

  703. #endif

  704. 

  705.     void idle() override

  706.     {

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

  708.         {

  709.             fLatencyChanged = false;

  710. 

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

  712. 

  713.             if (latency >= 0)

  714.             {

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

  716. 

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

  718.                 {

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

  720. 

  721.                     const ScopedSingleProcessLocker sspl(this, true);

  722. 

  723.                     pData->latency = ulatency;

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

  725. #ifndef BUILD_BRIDGE

  726.                     pData->recreateLatencyBuffers();

  727. #endif

  728.                 }

  729.             }

  730.             else

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

  732.         }

  733. 

  734.         CarlaPlugin::idle();

  735.     }

  736. 

  737.     // -------------------------------------------------------------------

  738.     // Plugin state

  739. 

  740.     void reload() override

  741.     {

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

  743.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  744.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  745.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  747. 

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

  749. 

  750.         // Safely disable plugin for reload

  751.         const ScopedDisabler sd(this);

  752. 

  753.         if (pData->active)

  754.             deactivate();

  755. 

  756.         clearBuffers();

  757. 

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

  759.         const uint32_t portCount(getSafePortCount());

  760. 

  761.         uint32_t aIns, aOuts, mIns, params;

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

  763. 

  764.         bool forcedStereoIn, forcedStereoOut;

  765.         forcedStereoIn = forcedStereoOut = false;

  766. 

  767.         bool needsCtrlIn, needsCtrlOut;

  768.         needsCtrlIn = needsCtrlOut = false;

  769. 

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

  771.         {

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

  773. 

  774.             if (LADSPA_IS_PORT_AUDIO(portType))

  775.             {

  776.                 if (LADSPA_IS_PORT_INPUT(portType))

  777.                     aIns += 1;

  778.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  779.                     aOuts += 1;

  780.             }

  781.             else if (LADSPA_IS_PORT_CONTROL(portType))

  782.                 params += 1;

  783.         }

  784. 

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

  786.         {

  787.             if (fHandle2 == nullptr)

  788.             {

  789.                 try {

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

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

  792.             }

  793. 

  794.             if (fHandle2 != nullptr)

  795.             {

  796.                 if (aIns == 1)

  797.                 {

  798.                     aIns = 2;

  799.                     forcedStereoIn = true;

  800.                 }

  801. 

  802.                 if (aOuts == 1)

  803.                 {

  804.                     aOuts = 2;

  805.                     forcedStereoOut = true;

  806.                 }

  807.             }

  808.         }

  809. 

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

  811.         {

  812.             mIns = 1;

  813.             needsCtrlIn = true;

  814.         }

  815. 

  816.         if (aIns > 0)

  817.         {

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

  819.             fAudioInBuffers = new float*[aIns];

  820. 

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

  822.                 fAudioInBuffers[i] = nullptr;

  823.         }

  824. 

  825.         if (aOuts > 0)

  826.         {

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

  828.             fAudioOutBuffers = new float*[aOuts];

  829.             needsCtrlIn = true;

  830. 

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

  832.                 fAudioOutBuffers[i] = nullptr;

  833.         }

  834. 

  835.         if (params > 0)

  836.         {

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

  838. 

  839.             fParamBuffers = new float[params];

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

  841.         }

  842. 

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

  844.         CarlaString portName;

  845. 

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

  847.         {

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

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

  850. 

  851.             if (LADSPA_IS_PORT_AUDIO(portType))

  852.             {

  853.                 portName.clear();

  854. 

  855.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  856.                 {

  857.                     portName  = pData->name;

  858.                     portName += ":";

  859.                 }

  860. 

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

  862.                 {

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

  864.                 }

  865.                 else

  866.                 {

  867.                     if (LADSPA_IS_PORT_INPUT(portType))

  868.                     {

  869.                         if (aIns > 1)

  870.                         {

  871.                             portName += "audio-in_";

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

  873.                         }

  874.                         else

  875.                             portName += "audio-in";

  876.                     }

  877.                     else

  878.                     {

  879.                         if (aOuts > 1)

  880.                         {

  881.                             portName += "audio-out_";

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

  883.                         }

  884.                         else

  885.                             portName += "audio-out";

  886.                     }

  887.                 }

  888. 

  889.                 portName.truncate(portNameSize);

  890. 

  891.                 if (LADSPA_IS_PORT_INPUT(portType))

  892.                 {

  893.                     const uint32_t j = iAudioIn++;

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

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

  896. 

  897.                     if (forcedStereoIn)

  898.                     {

  899.                         portName += "_2";

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

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

  902.                     }

  903.                 }

  904.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  905.                 {

  906.                     const uint32_t j = iAudioOut++;

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

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

  909. 

  910.                     if (forcedStereoOut)

  911.                     {

  912.                         portName += "_2";

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

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

  915.                     }

  916.                 }

  917.                 else

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

  919.             }

  920.             else if (LADSPA_IS_PORT_CONTROL(portType))

  921.             {

  922.                 const uint32_t j = iCtrl++;

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

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

  925. 

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

  927. 

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

  929. 

  930.                 // min value

  931.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  932.                     min = portRangeHints.LowerBound;

  933.                 else

  934.                     min = 0.0f;

  935. 

  936.                 // max value

  937.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  938.                     max = portRangeHints.UpperBound;

  939.                 else

  940.                     max = 1.0f;

  941. 

  942.                 if (min > max)

  943.                 {

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

  945.                     min = max - 0.1f;

  946.                 }

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

  948.                 {

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

  950.                     max = min + 0.1f;

  951.                 }

  952. 

  953.                 // default value

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

  955. 

  956.                 if (def < min)

  957.                     def = min;

  958.                 else if (def > max)

  959.                     def = max;

  960. 

  961.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  962.                 {

  963.                     min *= sampleRate;

  964.                     max *= sampleRate;

  965.                     def *= sampleRate;

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

  967.                 }

  968. 

  969.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  970.                 {

  971.                     step = max - min;

  972.                     stepSmall = step;

  973.                     stepLarge = step;

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

  975.                 }

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

  977.                 {

  978.                     step = 1.0f;

  979.                     stepSmall = 1.0f;

  980.                     stepLarge = 10.0f;

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

  982.                 }

  983.                 else

  984.                 {

  985.                     const float range = max - min;

  986.                     step = range/100.0f;

  987.                     stepSmall = range/1000.0f;

  988.                     stepLarge = range/10.0f;

  989.                 }

  990. 

  991.                 if (LADSPA_IS_PORT_INPUT(portType))

  992.                 {

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

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

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

  996.                     needsCtrlIn = true;

  997. 

  998.                     // MIDI CC value

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

  1000.                     {

  1001.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandle, i);

  1002.                         if (DSSI_CONTROLLER_IS_SET(controller) && DSSI_IS_CC(controller))

  1003.                         {

  1004.                             int16_t cc = DSSI_CC_NUMBER(controller);

  1005.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

  1006.                                 pData->param.data[j].midiCC = cc;

  1007.                         }

  1008.                     }

  1009.                 }

  1010.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  1011.                 {

  1012.                     pData->param.data[j].type = PARAMETER_OUTPUT;

  1013. 

  1014.                     if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0)

  1015.                     {

  1016.                         min = 0.0f;

  1017.                         max = sampleRate;

  1018.                         def = 0.0f;

  1019.                         step = 1.0f;

  1020.                         stepSmall = 1.0f;

  1021.                         stepLarge = 1.0f;

  1022.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1023.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  1024.                         fLatencyIndex = static_cast<int32_t>(j);

  1025.                     }

  1026.                     else

  1027.                     {

  1028.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1029.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1030.                         needsCtrlOut = true;

  1031.                     }

  1032.                 }

  1033.                 else

  1034.                 {

  1035.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1036.                 }

  1037. 

  1038.                 // extra parameter hints

  1039.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1040.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1041. 

  1042.                 pData->param.ranges[j].min = min;

  1043.                 pData->param.ranges[j].max = max;

  1044.                 pData->param.ranges[j].def = def;

  1045.                 pData->param.ranges[j].step = step;

  1046.                 pData->param.ranges[j].stepSmall = stepSmall;

  1047.                 pData->param.ranges[j].stepLarge = stepLarge;

  1048. 

  1049.                 // Start parameters in their default values

  1050.                 fParamBuffers[j] = def;

  1051. 

  1052.                 try {

  1053.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

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

  1055. 

  1056.                 if (fHandle2 != nullptr)

  1057.                 {

  1058.                     try {

  1059.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

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

  1061.                 }

  1062.             }

  1063.             else

  1064.             {

  1065.                 // Not Audio or Control

  1066.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1067. 

  1068.                 try {

  1069.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1070.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1071. 

  1072.                 if (fHandle2 != nullptr)

  1073.                 {

  1074.                     try {

  1075.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1076.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1077.                 }

  1078.             }

  1079.         }

  1080. 

  1081.         if (needsCtrlIn)

  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-in";

  1092.             portName.truncate(portNameSize);

  1093. 

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

  1095.         }

  1096. 

  1097.         if (needsCtrlOut)

  1098.         {

  1099.             portName.clear();

  1100. 

  1101.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1102.             {

  1103.                 portName  = pData->name;

  1104.                 portName += ":";

  1105.             }

  1106. 

  1107.             portName += "events-out";

  1108.             portName.truncate(portNameSize);

  1109. 

  1110.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1111.         }

  1112. 

  1113.         if (forcedStereoIn || forcedStereoOut)

  1114.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1115.         else

  1116.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1117. 

  1118.         // plugin hints

  1119.         pData->hints = 0x0;

  1120. 

  1121.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1122.             pData->hints |= PLUGIN_IS_RTSAFE;

  1123. 

  1124. #ifdef HAVE_LIBLO

  1125.         if (fUiFilename != nullptr)

  1126.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1127. #endif

  1128. 

  1129. #ifndef BUILD_BRIDGE

  1130.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1131.             pData->hints |= PLUGIN_CAN_DRYWET;

  1132. 

  1133.         if (aOuts > 0)

  1134.             pData->hints |= PLUGIN_CAN_VOLUME;

  1135. 

  1136.         if (aOuts >= 2 && aOuts % 2 == 0)

  1137.             pData->hints |= PLUGIN_CAN_BALANCE;

  1138. #endif

  1139. 

  1140.         // extra plugin hints

  1141.         pData->extraHints = 0x0;

  1142. 

  1143.         if (mIns > 0)

  1144.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1145. 

  1146.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1147.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1148. 

  1149.         // check latency

  1150.         if (fLatencyIndex >= 0)

  1151.         {

  1152.             // we need to pre-run the plugin so it can update its latency control-port

  1153. 

  1154.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1155.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1156. 

  1157.             for (uint32_t j=0; j < aIns; ++j)

  1158.             {

  1159.                 tmpIn[j][0] = 0.0f;

  1160.                 tmpIn[j][1] = 0.0f;

  1161. 

  1162.                 try {

  1163.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1164.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1165.             }

  1166. 

  1167.             for (uint32_t j=0; j < aOuts; ++j)

  1168.             {

  1169.                 tmpOut[j][0] = 0.0f;

  1170.                 tmpOut[j][1] = 0.0f;

  1171. 

  1172.                 try {

  1173.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1174.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1175.             }

  1176. 

  1177.             if (fDescriptor->activate != nullptr)

  1178.             {

  1179.                 try {

  1180.                     fDescriptor->activate(fHandle);

  1181.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1182.             }

  1183. 

  1184.             try {

  1185.                 fDescriptor->run(fHandle, 2);

  1186.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1187. 

  1188.             if (fDescriptor->deactivate != nullptr)

  1189.             {

  1190.                 try {

  1191.                     fDescriptor->deactivate(fHandle);

  1192.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1193.             }

  1194. 

  1195.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1196. 

  1197.             if (latency >= 0)

  1198.             {

  1199.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1200. 

  1201.                 if (pData->latency != ulatency)

  1202.                 {

  1203.                     carla_stdout("latency = %i", latency);

  1204. 

  1205.                     pData->latency = ulatency;

  1206.                     pData->client->setLatency(ulatency);

  1207. #ifndef BUILD_BRIDGE

  1208.                     pData->recreateLatencyBuffers();

  1209. #endif

  1210.                 }

  1211.             }

  1212.             else

  1213.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1214. 

  1215.             fLatencyChanged = false;

  1216.         }

  1217. 

  1218.         bufferSizeChanged(pData->engine->getBufferSize());

  1219.         reloadPrograms(true);

  1220. 

  1221.         if (pData->active)

  1222.             activate();

  1223. 

  1224.         carla_debug("CarlaPluginDSSI::reload() - end");

  1225.     }

  1226. 

  1227.     void reloadPrograms(const bool doInit) override

  1228.     {

  1229.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1230.         const uint32_t oldCount = pData->midiprog.count;

  1231.         const int32_t  current  = pData->midiprog.current;

  1232. 

  1233.         // Delete old programs

  1234.         pData->midiprog.clear();

  1235. 

  1236.         // Query new programs

  1237.         uint32_t newCount = 0;

  1238.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1239.         {

  1240.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1241.                 ++newCount;

  1242.         }

  1243. 

  1244.         if (newCount > 0)

  1245.         {

  1246.             pData->midiprog.createNew(newCount);

  1247. 

  1248.             // Update data

  1249.             for (uint32_t i=0; i < newCount; ++i)

  1250.             {

  1251.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1252.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1253.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1254. 

  1255.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1256.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1257.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1258.             }

  1259.         }

  1260. 

  1261. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1262.         // Update OSC Names

  1263.         if (pData->engine->isOscControlRegistered())

  1264.         {

  1265.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1266. 

  1267.             for (uint32_t i=0; i < newCount; ++i)

  1268.                 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);

  1269.         }

  1270. #endif

  1271. 

  1272.         if (doInit)

  1273.         {

  1274.             if (newCount > 0)

  1275.                 setMidiProgram(0, false, false, false);

  1276.         }

  1277.         else

  1278.         {

  1279.             // Check if current program is invalid

  1280.             bool programChanged = false;

  1281. 

  1282.             if (newCount == oldCount+1)

  1283.             {

  1284.                 // one midi program added, probably created by user

  1285.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1286.                 programChanged = true;

  1287.             }

  1288.             else if (current < 0 && newCount > 0)

  1289.             {

  1290.                 // programs exist now, but not before

  1291.                 pData->midiprog.current = 0;

  1292.                 programChanged = true;

  1293.             }

  1294.             else if (current >= 0 && newCount == 0)

  1295.             {

  1296.                 // programs existed before, but not anymore

  1297.                 pData->midiprog.current = -1;

  1298.                 programChanged = true;

  1299.             }

  1300.             else if (current >= static_cast<int32_t>(newCount))

  1301.             {

  1302.                 // current midi program > count

  1303.                 pData->midiprog.current = 0;

  1304.                 programChanged = true;

  1305.             }

  1306.             else

  1307.             {

  1308.                 // no change

  1309.                 pData->midiprog.current = current;

  1310.             }

  1311. 

  1312.             if (programChanged)

  1313.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1314. 

  1315.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1316.         }

  1317.     }

  1318. 

  1319.     // -------------------------------------------------------------------

  1320.     // Plugin processing

  1321. 

  1322.     void activate() noexcept override

  1323.     {

  1324.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1325.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1326. 

  1327.         if (fDescriptor->activate != nullptr)

  1328.         {

  1329.             try {

  1330.                 fDescriptor->activate(fHandle);

  1331.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1332. 

  1333.             if (fHandle2 != nullptr)

  1334.             {

  1335.                 try {

  1336.                     fDescriptor->activate(fHandle2);

  1337.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1338.             }

  1339.         }

  1340.     }

  1341. 

  1342.     void deactivate() noexcept override

  1343.     {

  1344.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1345.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1346. 

  1347.         if (fDescriptor->deactivate != nullptr)

  1348.         {

  1349.             try {

  1350.                 fDescriptor->deactivate(fHandle);

  1351.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1352. 

  1353.             if (fHandle2 != nullptr)

  1354.             {

  1355.                 try {

  1356.                     fDescriptor->deactivate(fHandle2);

  1357.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1358.             }

  1359.         }

  1360.     }

  1361. 

  1362.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1363.     {

  1364.         // --------------------------------------------------------------------------------------------------------

  1365.         // Check if active

  1366. 

  1367.         if (! pData->active)

  1368.         {

  1369.             // disable any output sound

  1370.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1371.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1372.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1373.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1374.             return;

  1375.         }

  1376. 

  1377.         ulong midiEventCount = 0;

  1378.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1379. 

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

  1381.         // Check if needs reset

  1382. 

  1383.         if (pData->needsReset)

  1384.         {

  1385.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1386.             {

  1387.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1388. 

  1389.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1390.                 {

  1391.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1392.                     fMidiEvents[i].data.control.channel = i;

  1393.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1394. 

  1395.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1396.                     fMidiEvents[k+i].data.control.channel = i;

  1397.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1398.                 }

  1399.             }

  1400.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1401.             {

  1402.                 midiEventCount = MAX_MIDI_NOTE;

  1403. 

  1404.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1405.                 {

  1406.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1407.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1408.                     fMidiEvents[i].data.note.note    = i;

  1409.                 }

  1410.             }

  1411. 

  1412. #ifndef BUILD_BRIDGE

  1413.             if (pData->latency > 0)

  1414.             {

  1415.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1416.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1417.             }

  1418. #endif

  1419. 

  1420.             pData->needsReset = false;

  1421.         }

  1422. 

  1423.         // --------------------------------------------------------------------------------------------------------

  1424.         // Event Input and Processing

  1425. 

  1426.         if (pData->event.portIn != nullptr)

  1427.         {

  1428.             // ----------------------------------------------------------------------------------------------------

  1429.             // MIDI Input (External)

  1430. 

  1431.             if (pData->extNotes.mutex.tryLock())

  1432.             {

  1433.                 ExternalMidiNote note = { 0, 0, 0 };

  1434. 

  1435.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1436.                 {

  1437.                     note = pData->extNotes.data.getFirst(note, true);

  1438. 

  1439.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1440. 

  1441.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1442. 

  1443.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1444.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1445.                     seqEvent.data.note.note     = note.note;

  1446.                     seqEvent.data.note.velocity = note.velo;

  1447.                 }

  1448. 

  1449.                 pData->extNotes.mutex.unlock();

  1450. 

  1451.             } // End of MIDI Input (External)

  1452. 

  1453.             // ----------------------------------------------------------------------------------------------------

  1454.             // Event Input (System)

  1455. 

  1456. #ifndef BUILD_BRIDGE

  1457.             bool       allNotesOffSent  = false;

  1458. #endif

  1459.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1460. 

  1461.             uint32_t startTime  = 0;

  1462.             uint32_t timeOffset = 0;

  1463.             uint32_t nextBankId;

  1464. 

  1465.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1466.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1467.             else

  1468.                 nextBankId = 0;

  1469. 

  1470.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1471.             {

  1472.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1473. 

  1474.                 if (event.time >= frames)

  1475.                     continue;

  1476. 

  1477.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1478. 

  1479.                 if (isSampleAccurate && event.time > timeOffset)

  1480.                 {

  1481.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1482.                     {

  1483.                         startTime  = 0;

  1484.                         timeOffset = event.time;

  1485.                         midiEventCount = 0;

  1486. 

  1487.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1488.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1489.                         else

  1490.                             nextBankId = 0;

  1491.                     }

  1492.                     else

  1493.                         startTime += timeOffset;

  1494.                 }

  1495. 

  1496.                 switch (event.type)

  1497.                 {

  1498.                 case kEngineEventTypeNull:

  1499.                     break;

  1500. 

  1501.                 case kEngineEventTypeControl: {

  1502.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1503. 

  1504.                     switch (ctrlEvent.type)

  1505.                     {

  1506.                     case kEngineControlEventTypeNull:

  1507.                         break;

  1508. 

  1509.                     case kEngineControlEventTypeParameter: {

  1510. #ifndef BUILD_BRIDGE

  1511.                         // Control backend stuff

  1512.                         if (event.channel == pData->ctrlChannel)

  1513.                         {

  1514.                             float value;

  1515. 

  1516.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1517.                             {

  1518.                                 value = ctrlEvent.value;

  1519.                                 setDryWet(value, false, false);

  1520.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1521.                                 break;

  1522.                             }

  1523. 

  1524.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1525.                             {

  1526.                                 value = ctrlEvent.value*127.0f/100.0f;

  1527.                                 setVolume(value, false, false);

  1528.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1529.                                 break;

  1530.                             }

  1531. 

  1532.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1533.                             {

  1534.                                 float left, right;

  1535.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1536. 

  1537.                                 if (value < 0.0f)

  1538.                                 {

  1539.                                     left  = -1.0f;

  1540.                                     right = (value*2.0f)+1.0f;

  1541.                                 }

  1542.                                 else if (value > 0.0f)

  1543.                                 {

  1544.                                     left  = (value*2.0f)-1.0f;

  1545.                                     right = 1.0f;

  1546.                                 }

  1547.                                 else

  1548.                                 {

  1549.                                     left  = -1.0f;

  1550.                                     right = 1.0f;

  1551.                                 }

  1552. 

  1553.                                 setBalanceLeft(left, false, false);

  1554.                                 setBalanceRight(right, false, false);

  1555.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1556.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1557.                                 break;

  1558.                             }

  1559.                         }

  1560. #endif

  1561.                         // Control plugin parameters

  1562.                         uint32_t k;

  1563.                         for (k=0; k < pData->param.count; ++k)

  1564.                         {

  1565.                             if (pData->param.data[k].midiChannel != event.channel)

  1566.                                 continue;

  1567.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1568.                                 continue;

  1569.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1570.                                 continue;

  1571.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1572.                                 continue;

  1573. 

  1574.                             float value;

  1575. 

  1576.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1577.                             {

  1578.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1579.                             }

  1580.                             else

  1581.                             {

  1582.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1583. 

  1584.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1585.                                     value = std::rint(value);

  1586.                             }

  1587. 

  1588.                             setParameterValue(k, value, false, false, false);

  1589.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1590.                             break;

  1591.                         }

  1592. 

  1593.                         // check if event is already handled

  1594.                         if (k != pData->param.count)

  1595.                             break;

  1596. 

  1597.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1598.                         {

  1599.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1600.                                 continue;

  1601. 

  1602.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1603. 

  1604.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1605. 

  1606.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1607.                             seqEvent.data.control.channel = event.channel;

  1608.                             seqEvent.data.control.param   = ctrlEvent.param;

  1609.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1610.                         }

  1611.                         break;

  1612.                     } // case kEngineControlEventTypeParameter

  1613. 

  1614.                     case kEngineControlEventTypeMidiBank:

  1615.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1616.                             nextBankId = ctrlEvent.param;

  1617.                         break;

  1618. 

  1619.                     case kEngineControlEventTypeMidiProgram:

  1620.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1621.                         {

  1622.                             const uint32_t nextProgramId = ctrlEvent.param;

  1623. 

  1624.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1625.                             {

  1626.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1627.                                 {

  1628.                                     const int32_t index(static_cast<int32_t>(k));

  1629.                                     setMidiProgram(index, false, false, false);

  1630.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1631.                                     break;

  1632.                                 }

  1633.                             }

  1634.                         }

  1635.                         break;

  1636. 

  1637.                     case kEngineControlEventTypeAllSoundOff:

  1638.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1639.                         {

  1640.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1641.                                 continue;

  1642. 

  1643.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1644. 

  1645.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1646. 

  1647.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1648.                             seqEvent.data.control.channel = event.channel;

  1649.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1650.                         }

  1651.                         break;

  1652. 

  1653.                     case kEngineControlEventTypeAllNotesOff:

  1654.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1655.                         {

  1656. #ifndef BUILD_BRIDGE

  1657.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1658.                             {

  1659.                                 allNotesOffSent = true;

  1660.                                 sendMidiAllNotesOffToCallback();

  1661.                             }

  1662. #endif

  1663. 

  1664.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1665.                                 continue;

  1666. 

  1667.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1668. 

  1669.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1670. 

  1671.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1672.                             seqEvent.data.control.channel = event.channel;

  1673.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1674.                         }

  1675.                         break;

  1676.                     } // switch (ctrlEvent.type)

  1677.                     break;

  1678.                 } // case kEngineEventTypeControl

  1679. 

  1680.                 case kEngineEventTypeMidi: {

  1681.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1682.                         continue;

  1683. 

  1684.                     const EngineMidiEvent& midiEvent(event.midi);

  1685. 

  1686.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1687.                         continue;

  1688. 

  1689.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1690. 

  1691.                     // Fix bad note-off (per DSSI spec)

  1692.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1693.                         status = MIDI_STATUS_NOTE_OFF;

  1694. 

  1695.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1696. 

  1697.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1698. 

  1699.                     switch (status)

  1700.                     {

  1701.                     case MIDI_STATUS_NOTE_OFF: {

  1702.                         const uint8_t note = midiEvent.data[1];

  1703. 

  1704.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

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

  1707. 

  1708.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1709.                         break;

  1710.                     }

  1711. 

  1712.                     case MIDI_STATUS_NOTE_ON: {

  1713.                         const uint8_t note = midiEvent.data[1];

  1714.                         const uint8_t velo = midiEvent.data[2];

  1715. 

  1716.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1717.                         seqEvent.data.note.channel  = event.channel;

  1718.                         seqEvent.data.note.note     = note;

  1719.                         seqEvent.data.note.velocity = velo;

  1720. 

  1721.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1722.                         break;

  1723.                     }

  1724. 

  1725.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1726.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1727.                         {

  1728.                             const uint8_t note     = midiEvent.data[1];

  1729.                             const uint8_t pressure = midiEvent.data[2];

  1730. 

  1731.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1732.                             seqEvent.data.note.channel  = event.channel;

  1733.                             seqEvent.data.note.note     = note;

  1734.                             seqEvent.data.note.velocity = pressure;

  1735.                         }

  1736.                         break;

  1737. 

  1738.                     case MIDI_STATUS_CONTROL_CHANGE:

  1739.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1740.                         {

  1741.                             const uint8_t control = midiEvent.data[1];

  1742.                             const uint8_t value   = midiEvent.data[2];

  1743. 

  1744.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1746.                             seqEvent.data.control.param   = control;

  1747.                             seqEvent.data.control.value   = value;

  1748.                         }

  1749.                         break;

  1750. 

  1751.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1752.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1753.                         {

  1754.                             const uint8_t pressure = midiEvent.data[1];

  1755. 

  1756.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

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

  1758.                             seqEvent.data.control.value   = pressure;

  1759.                         }

  1760.                         break;

  1761. 

  1762.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1763.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1764.                         {

  1765.                             const uint8_t lsb = midiEvent.data[1];

  1766.                             const uint8_t msb = midiEvent.data[2];

  1767. 

  1768.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1769.                             seqEvent.data.control.channel = event.channel;

  1770.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1771.                         }

  1772.                         break;

  1773. 

  1774.                     default:

  1775.                         --midiEventCount;

  1776.                         break;

  1777.                     } // switch (status)

  1778.                 } break;

  1779.                 } // switch (event.type)

  1780.             }

  1781. 

  1782.             pData->postRtEvents.trySplice();

  1783. 

  1784.             if (frames > timeOffset)

  1785.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1786. 

  1787.         } // End of Event Input and Processing

  1788. 

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

  1790.         // Plugin processing (no events)

  1791. 

  1792.         else

  1793.         {

  1794.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1795. 

  1796.         } // End of Plugin processing (no events)

  1797. 

  1798. #ifndef BUILD_BRIDGE

  1799.         // --------------------------------------------------------------------------------------------------------

  1800.         // Latency, save values for next callback

  1801. 

  1802.         if (fLatencyIndex != -1)

  1803.         {

  1804.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1805.             {

  1806.                 fLatencyChanged = true;

  1807.             }

  1808.             else if (pData->latency > 0)

  1809.             {

  1810.                 if (pData->latency <= frames)

  1811.                 {

  1812.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1813.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1814.                 }

  1815.                 else

  1816.                 {

  1817.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1818.                     {

  1819.                         for (k=0; k < pData->latency-frames; ++k)

  1820.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1821.                         for (j=0; k < pData->latency; ++j, ++k)

  1822.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1823.                     }

  1824.                 }

  1825.             }

  1826.         }

  1827. 

  1828.         // --------------------------------------------------------------------------------------------------------

  1829.         // Control Output

  1830. 

  1831.         if (pData->event.portOut != nullptr)

  1832.         {

  1833.             uint8_t  channel;

  1834.             uint16_t param;

  1835.             float    value;

  1836. 

  1837.             for (uint32_t k=0; k < pData->param.count; ++k)

  1838.             {

  1839.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1840.                     continue;

  1841. 

  1842.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1843. 

  1844.                 if (pData->param.data[k].midiCC > 0)

  1845.                 {

  1846.                     channel = pData->param.data[k].midiChannel;

  1847.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1848.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1849.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1850.                 }

  1851.             }

  1852.         } // End of Control Output

  1853. #endif

  1854.     }

  1855. 

  1856.     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)

  1857.     {

  1858.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1859. 

  1860.         if (pData->audioIn.count > 0)

  1861.         {

  1862.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1863.         }

  1864.         if (pData->audioOut.count > 0)

  1865.         {

  1866.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1867.         }

  1868.         if (pData->cvIn.count > 0)

  1869.         {

  1870.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1871.         }

  1872.         if (pData->cvOut.count > 0)

  1873.         {

  1874.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1875.         }

  1876. 

  1877.         // --------------------------------------------------------------------------------------------------------

  1878.         // Try lock, silence otherwise

  1879. 

  1880.         if (pData->engine->isOffline())

  1881.         {

  1882.             pData->singleMutex.lock();

  1883.         }

  1884.         else if (! pData->singleMutex.tryLock())

  1885.         {

  1886.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1887.             {

  1888.                 for (uint32_t k=0; k < frames; ++k)

  1889.                     audioOut[i][k+timeOffset] = 0.0f;

  1890.             }

  1891.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1892.             {

  1893.                 for (uint32_t k=0; k < frames; ++k)

  1894.                     cvOut[i][k+timeOffset] = 0.0f;

  1895.             }

  1896. 

  1897.             return false;

  1898.         }

  1899. 

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

  1901.         // Set audio buffers

  1902. 

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

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

  1905. 

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

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

  1908. 

  1909. #if 0

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

  1911.         // Set CV buffers

  1912. 

  1913.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1914.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1915. 

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

  1917.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1918. #endif

  1919. 

  1920.         // --------------------------------------------------------------------------------------------------------

  1921.         // Run plugin

  1922. 

  1923.         // TODO - try catch

  1924. 

  1925.         if (fDssiDescriptor->run_synth != nullptr)

  1926.         {

  1927.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1928. 

  1929.             if (fHandle2 != nullptr)

  1930.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1931.         }

  1932.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1933.         {

  1934.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1935.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1936.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1937.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1938.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1939.         }

  1940.         else

  1941.         {

  1942.             fDescriptor->run(fHandle, frames);

  1943. 

  1944.             if (fHandle2 != nullptr)

  1945.                 fDescriptor->run(fHandle2, frames);

  1946.         }

  1947. 

  1948. #ifndef BUILD_BRIDGE

  1949.         // --------------------------------------------------------------------------------------------------------

  1950.         // Post-processing (dry/wet, volume and balance)

  1951. 

  1952.         {

  1953.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1954.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1955.             const bool isMono    = (pData->audioIn.count == 1);

  1956. 

  1957.             bool isPair;

  1958.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1959. 

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

  1961.             {

  1962.                 // Dry/Wet

  1963.                 if (doDryWet)

  1964.                 {

  1965.                     for (uint32_t k=0; k < frames; ++k)

  1966.                     {

  1967.                         if (k < pData->latency)

  1968.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1969.                         else if (pData->latency < frames)

  1970.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1971.                         else

  1972.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1973. 

  1974.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1975.                     }

  1976.                 }

  1977. 

  1978.                 // Balance

  1979.                 if (doBalance)

  1980.                 {

  1981.                     isPair = (i % 2 == 0);

  1982. 

  1983.                     if (isPair)

  1984.                     {

  1985.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1986.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1987.                     }

  1988. 

  1989.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1990.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1991. 

  1992.                     for (uint32_t k=0; k < frames; ++k)

  1993.                     {

  1994.                         if (isPair)

  1995.                         {

  1996.                             // left

  1997.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1998.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1999.                         }

  2000.                         else

  2001.                         {

  2002.                             // right

  2003.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  2004.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  2005.                         }

  2006.                     }

  2007.                 }

  2008. 

  2009.                 // Volume (and buffer copy)

  2010.                 {

  2011.                     for (uint32_t k=0; k < frames; ++k)

  2012.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2013.                 }

  2014.             }

  2015. 

  2016.         } // End of Post-processing

  2017. 

  2018. #else // BUILD_BRIDGE

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

  2020.         {

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

  2022.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2023.         }

  2024. #endif

  2025. 

  2026. #if 0

  2027.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2028.         {

  2029.             for (uint32_t k=0; k < frames; ++k)

  2030.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2031.         }

  2032. #endif

  2033. 

  2034.         // --------------------------------------------------------------------------------------------------------

  2035. 

  2036.         pData->singleMutex.unlock();

  2037.         return true;

  2038.     }

  2039. 

  2040.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2041.     {

  2042.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2043.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2044. 

  2045.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2046.         {

  2047.             if (fAudioInBuffers[i] != nullptr)

  2048.                 delete[] fAudioInBuffers[i];

  2049.             fAudioInBuffers[i] = new float[newBufferSize];

  2050.         }

  2051. 

  2052.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2053.         {

  2054.             if (fAudioOutBuffers[i] != nullptr)

  2055.                 delete[] fAudioOutBuffers[i];

  2056.             fAudioOutBuffers[i] = new float[newBufferSize];

  2057.         }

  2058. 

  2059.         if (fHandle2 == nullptr)

  2060.         {

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

  2062.             {

  2063.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2064. 

  2065.                 try {

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

  2067.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2068.             }

  2069. 

  2070.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2071.             {

  2072.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2073. 

  2074.                 try {

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

  2076.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output");

  2077.             }

  2078.         }

  2079.         else

  2080.         {

  2081.             if (pData->audioIn.count > 0)

  2082.             {

  2083.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2084.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2085.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2086. 

  2087.                 try {

  2088.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2089.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2090. 

  2091.                 try {

  2092.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2093.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2094.             }

  2095. 

  2096.             if (pData->audioOut.count > 0)

  2097.             {

  2098.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2099.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2100.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2101. 

  2102.                 try {

  2103.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2104.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2105. 

  2106.                 try {

  2107.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2108.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2109.             }

  2110.         }

  2111. 

  2112.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2113.     }

  2114. 

  2115.     void sampleRateChanged(const double newSampleRate) override

  2116.     {

  2117.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2118.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2119. 

  2120.         // TODO

  2121.         (void)newSampleRate;

  2122. 

  2123.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2124.     }

  2125. 

  2126.     // -------------------------------------------------------------------

  2127.     // Plugin buffers

  2128. 

  2129.     void clearBuffers() noexcept override

  2130.     {

  2131.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2132. 

  2133.         if (fAudioInBuffers != nullptr)

  2134.         {

  2135.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2136.             {

  2137.                 if (fAudioInBuffers[i] != nullptr)

  2138.                 {

  2139.                     delete[] fAudioInBuffers[i];

  2140.                     fAudioInBuffers[i] = nullptr;

  2141.                 }

  2142.             }

  2143. 

  2144.             delete[] fAudioInBuffers;

  2145.             fAudioInBuffers = nullptr;

  2146.         }

  2147. 

  2148.         if (fAudioOutBuffers != nullptr)

  2149.         {

  2150.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2151.             {

  2152.                 if (fAudioOutBuffers[i] != nullptr)

  2153.                 {

  2154.                     delete[] fAudioOutBuffers[i];

  2155.                     fAudioOutBuffers[i] = nullptr;

  2156.                 }

  2157.             }

  2158. 

  2159.             delete[] fAudioOutBuffers;

  2160.             fAudioOutBuffers = nullptr;

  2161.         }

  2162. 

  2163.         if (fParamBuffers != nullptr)

  2164.         {

  2165.             delete[] fParamBuffers;

  2166.             fParamBuffers = nullptr;

  2167.         }

  2168. 

  2169.         CarlaPlugin::clearBuffers();

  2170. 

  2171.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2172.     }

  2173. 

  2174. #ifdef HAVE_LIBLO

  2175.     // -------------------------------------------------------------------

  2176.     // OSC stuff

  2177. 

  2178.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2179.     {

  2180.         const lo_address source(lo_message_get_source(msg));

  2181.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2182. 

  2183.         // protocol for DSSI UIs *must* be UDP

  2184.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2185. 

  2186.         if (fOscData.source == nullptr)

  2187.         {

  2188.             // if no UI is registered yet only "update" message is valid

  2189.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2190.         }

  2191.         else

  2192.         {

  2193.             // make sure message source is the DSSI UI

  2194.             const char* const msghost = lo_address_get_hostname(source);

  2195.             const char* const msgport = lo_address_get_port(source);

  2196. 

  2197.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2198.             const char* const ourport = lo_address_get_port(fOscData.source);

  2199. 

  2200.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2201.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2202.         }

  2203. 

  2204.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2205. 

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

  2207.             return handleOscMessageConfigure(argc, argv, types);

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

  2209.             return handleOscMessageControl(argc, argv, types);

  2210.         if (std::strcmp(method, "program") == 0)

  2211.             return handleOscMessageProgram(argc, argv, types);

  2212.         if (std::strcmp(method, "midi") == 0)

  2213.             return handleOscMessageMIDI(argc, argv, types);

  2214.         if (std::strcmp(method, "update") == 0)

  2215.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2216.         if (std::strcmp(method, "exiting") == 0)

  2217.             return handleOscMessageExiting();

  2218. 

  2219.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2220.     }

  2221. 

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

  2223.     {

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

  2225.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2226. 

  2227.         const char* const key   = (const char*)&argv[0]->s;

  2228.         const char* const value = (const char*)&argv[1]->s;

  2229. 

  2230.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2231.     }

  2232. 

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

  2234.     {

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

  2236.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2237. 

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

  2239.         const float   value  = argv[1]->f;

  2240. 

  2241.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2242.     }

  2243. 

  2244.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2245.     {

  2246.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2247.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2248. 

  2249.         const int32_t bank    = argv[0]->i;

  2250.         const int32_t program = argv[1]->i;

  2251. 

  2252.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2253.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2254. 

  2255.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2256.     }

  2257. 

  2258.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2259.     {

  2260.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2261.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2262. 

  2263.         if (getMidiInCount() == 0)

  2264.         {

  2265.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2266.             return;

  2267.         }

  2268. 

  2269.         const uint8_t* const data = argv[0]->m;

  2270.         uint8_t status  = data[1];

  2271.         uint8_t channel = status & 0x0F;

  2272. 

  2273.         // Fix bad note-off

  2274.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2275.             status = MIDI_STATUS_NOTE_OFF;

  2276. 

  2277.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2278.         {

  2279.             const uint8_t note = data[2];

  2280. 

  2281.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2282. 

  2283.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2284.         }

  2285.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2286.         {

  2287.             const uint8_t note = data[2];

  2288.             const uint8_t velo = data[3];

  2289. 

  2290.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2291.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2292. 

  2293.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2294.         }

  2295.     }

  2296. 

  2297.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2298.     {

  2299.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2300.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2301. 

  2302.         const char* const url = (const char*)&argv[0]->s;

  2303. 

  2304.         // FIXME - remove debug prints later

  2305.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2306. 

  2307.         fOscData.clear();

  2308. 

  2309.         const int proto = lo_address_get_protocol(source);

  2310. 

  2311.         {

  2312.             const char* host = lo_address_get_hostname(source);

  2313.             const char* port = lo_address_get_port(source);

  2314.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2315. 

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

  2317.         }

  2318. 

  2319.         {

  2320.             char* host = lo_url_get_hostname(url);

  2321.             char* port = lo_url_get_port(url);

  2322.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

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

  2324.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2325. 

  2326.             std::free(host);

  2327.             std::free(port);

  2328.         }

  2329. 

  2330.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2331. 

  2332.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin(); it.valid(); it.next())

  2333.         {

  2334.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2335.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2336. 

  2337.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2338.                 osc_send_configure(fOscData, customData.key, customData.value);

  2339.         }

  2340. 

  2341.         if (pData->prog.current >= 0)

  2342.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2343. 

  2344.         if (pData->midiprog.current >= 0)

  2345.         {

  2346.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2347. 

  2348.             if (getType() == PLUGIN_DSSI)

  2349.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2350.             else

  2351.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2352.         }

  2353. 

  2354.         for (uint32_t i=0; i < pData->param.count; ++i)

  2355.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2356. 

  2357.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2358.             pData->transientTryCounter = 1;

  2359. 

  2360.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2361.     }

  2362. 

  2363.     void handleOscMessageExiting()

  2364.     {

  2365.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2366. 

  2367.         // hide UI

  2368.         showCustomUI(false);

  2369. 

  2370.         // tell frontend

  2371.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2372.     }

  2373. #endif

  2374. 

  2375. #ifdef HAVE_LIBLO

  2376.     // -------------------------------------------------------------------

  2377.     // Post-poned UI Stuff

  2378. 

  2379.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2380.     {

  2381.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2382. 

  2383.         if (fOscData.target == nullptr)

  2384.             return;

  2385. 

  2386.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2387.     }

  2388. 

  2389.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2390.     {

  2391.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2392. 

  2393.         if (fOscData.target == nullptr)

  2394.             return;

  2395. 

  2396.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2397.     }

  2398. 

  2399.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2400.     {

  2401.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2402.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2403.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2404. 

  2405.         if (fOscData.target == nullptr)

  2406.             return;

  2407. 

  2408. #if 0

  2409.         uint8_t midiData[4];

  2410.         midiData[0] = 0;

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

  2412.         midiData[2] = note;

  2413.         midiData[3] = velo;

  2414. 

  2415.         osc_send_midi(fOscData, midiData);

  2416. #endif

  2417.     }

  2418. 

  2419.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2420.     {

  2421.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2422.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2423. 

  2424.         if (fOscData.target == nullptr)

  2425.             return;

  2426. 

  2427. #if 0

  2428.         uint8_t midiData[4];

  2429.         midiData[0] = 0;

  2430.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2431.         midiData[2] = note;

  2432.         midiData[3] = 0;

  2433. 

  2434.         osc_send_midi(fOscData, midiData);

  2435. #endif

  2436.     }

  2437. #endif

  2438. 

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

  2440. 

  2441.     void* getNativeHandle() const noexcept override

  2442.     {

  2443.         return fHandle;

  2444.     }

  2445. 

  2446.     const void* getNativeDescriptor() const noexcept override

  2447.     {

  2448.         return fDssiDescriptor;

  2449.     }

  2450. 

  2451. #ifdef HAVE_LIBLO

  2452.     uintptr_t getUiBridgeProcessId() const noexcept override

  2453.     {

  2454.         return fThreadUI.getProcessPID();

  2455.     }

  2456. 

  2457.     const void* getExtraStuff() const noexcept override

  2458.     {

  2459.         return fUiFilename;

  2460.     }

  2461. #endif

  2462. 

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

  2464. 

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

  2466.     {

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

  2468. 

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

  2470.         // first checks

  2471. 

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

  2473.         {

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

  2475.             return false;

  2476.         }

  2477. 

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

  2479.         {

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

  2481.             return false;

  2482.         }

  2483. 

  2484.         if (label == nullptr || label[0] == '\0')

  2485.         {

  2486.             pData->engine->setLastError("null label");

  2487.             return false;

  2488.         }

  2489. 

  2490.         // ---------------------------------------------------------------

  2491.         // open DLL

  2492. 

  2493.         if (! pData->libOpen(filename))

  2494.         {

  2495.             pData->engine->setLastError(pData->libError(filename));

  2496.             return false;

  2497.         }

  2498. 

  2499.         // ---------------------------------------------------------------

  2500.         // get DLL main entry

  2501. 

  2502.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2503. 

  2504.         if (descFn == nullptr)

  2505.         {

  2506.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2507.             return false;

  2508.         }

  2509. 

  2510.         // ---------------------------------------------------------------

  2511.         // get descriptor that matches label

  2512. 

  2513.         ulong i = 0;

  2514. 

  2515.         for (;;)

  2516.         {

  2517.             try {

  2518.                 fDssiDescriptor = descFn(i++);

  2519.             }

  2520.             catch(...) {

  2521.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2522.                 fDescriptor     = nullptr;

  2523.                 fDssiDescriptor = nullptr;

  2524.                 break;

  2525.             }

  2526. 

  2527.             if (fDssiDescriptor == nullptr)

  2528.                 break;

  2529. 

  2530.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2531. 

  2532.             if (fDescriptor == nullptr)

  2533.             {

  2534.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2535.                 fDssiDescriptor = nullptr;

  2536.                 break;

  2537.             }

  2538.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2539.             {

  2540.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2541.                 fDescriptor     = nullptr;

  2542.                 fDssiDescriptor = nullptr;

  2543.                 break;

  2544.             }

  2545.             if (fDescriptor->run == nullptr)

  2546.             {

  2547.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2548.                 fDescriptor     = nullptr;

  2549.                 fDssiDescriptor = nullptr;

  2550.                 break;

  2551.             }

  2552. 

  2553.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2554.                 break;

  2555.         }

  2556. 

  2557.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2558.         {

  2559.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2560.             return false;

  2561.         }

  2562. 

  2563.         // ---------------------------------------------------------------

  2564.         // check if uses global instance

  2565. 

  2566.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2567.         {

  2568.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2569.             {

  2570.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2571.                 return false;

  2572.             }

  2573.         }

  2574. 

  2575.         // ---------------------------------------------------------------

  2576.         // get info

  2577. 

  2578.         if (name != nullptr && name[0] != '\0')

  2579.             pData->name = pData->engine->getUniquePluginName(name);

  2580.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2581.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2582.         else

  2583.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2584. 

  2585.         pData->filename = carla_strdup(filename);

  2586. 

  2587.         // ---------------------------------------------------------------

  2588.         // register client

  2589. 

  2590.         pData->client = pData->engine->addClient(this);

  2591. 

  2592.         if (pData->client == nullptr || ! pData->client->isOk())

  2593.         {

  2594.             pData->engine->setLastError("Failed to register plugin client");

  2595.             return false;

  2596.         }

  2597. 

  2598.         // ---------------------------------------------------------------

  2599.         // initialize plugin

  2600. 

  2601.         try {

  2602.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2603.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2604. 

  2605.         if (fHandle == nullptr)

  2606.         {

  2607.             pData->engine->setLastError("Plugin failed to initialize");

  2608.             return false;

  2609.         }

  2610. 

  2611.         // ---------------------------------------------------------------

  2612.         // check for custom data extension

  2613. 

  2614.         if (fDssiDescriptor->configure != nullptr)

  2615.         {

  2616.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2617.             {

  2618.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2619.                     fUsesCustomData = true;

  2620. 

  2621.                 std::free(error);

  2622.             }

  2623.         }

  2624. 

  2625. #ifdef HAVE_LIBLO

  2626.         // ---------------------------------------------------------------

  2627.         // gui stuff

  2628. 

  2629.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2630.         {

  2631.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2632.             fUiFilename = guiFilename;

  2633.         }

  2634. #endif

  2635. 

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

  2637.         // set default options

  2638. 

  2639. #ifdef __USE_GNU

  2640.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2641. #else

  2642.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2643. #endif

  2644. 

  2645.         pData->options = 0x0;

  2646. 

  2647.         if (fLatencyIndex >= 0 || isDssiVst)

  2648.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2649. 

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

  2651.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2652. 

  2653.         if (fUsesCustomData)

  2654.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2655. 

  2656.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2657.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2658. 

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

  2660.         {

  2661.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2662.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2663.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2664.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2665. 

  2666.             if (fDssiDescriptor->run_synth == nullptr)

  2667.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2668.         }

  2669. 

  2670.         return true;

  2671.     }

  2672. 

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

  2674. 

  2675. private:

  2676.     LADSPA_Handle fHandle;

  2677.     LADSPA_Handle fHandle2;

  2678.     const LADSPA_Descriptor* fDescriptor;

  2679.     const DSSI_Descriptor*   fDssiDescriptor;

  2680. 

  2681.     bool fUsesCustomData;

  2682. #ifdef HAVE_LIBLO

  2683.     const char* fUiFilename;

  2684. #endif

  2685. 

  2686.     float** fAudioInBuffers;

  2687.     float** fAudioOutBuffers;

  2688.     float*  fParamBuffers;

  2689. 

  2690.     bool    fLatencyChanged;

  2691.     int32_t fLatencyIndex; // -1 if invalid

  2692. 

  2693.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2694. 

  2695. #ifdef HAVE_LIBLO

  2696.     CarlaOscData      fOscData;

  2697.     CarlaThreadDSSIUI fThreadUI;

  2698. #endif

  2699. 

  2700.     // -------------------------------------------------------------------

  2701. 

  2702.     uint32_t getSafePortCount() const noexcept

  2703.     {

  2704.         if (fDescriptor->PortCount == 0)

  2705.             return 0;

  2706. 

  2707.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2708.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2709.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2710. 

  2711.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2712.     }

  2713. 

  2714.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2715.     {

  2716.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2717.             return true;

  2718.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2719.             return true;

  2720.         return false;

  2721.     }

  2722. 

  2723.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2724.     {

  2725.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2726. 

  2727.         if (sepBracketStart == nullptr)

  2728.             return false;

  2729. 

  2730.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2731. 

  2732.         if (sepBracketEnd == nullptr)

  2733.             return false;

  2734. 

  2735.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2736. 

  2737.         if (unitSize > 7) // very unlikely to have such big unit

  2738.             return false;

  2739. 

  2740.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2741. 

  2742.         // just in case

  2743.         if (sepIndex > STR_MAX)

  2744.             return false;

  2745. 

  2746.         if (wantName)

  2747.         {

  2748.             std::strncpy(strBuf, paramName, sepIndex);

  2749.             strBuf[sepIndex] = '\0';

  2750.         }

  2751.         else

  2752.         {

  2753.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2754.             strBuf[unitSize] = '\0';

  2755.         }

  2756. 

  2757.         return true;

  2758.     }

  2759. 

  2760.     // -------------------------------------------------------------------

  2761. 

  2762.     static LinkedList<const char*> sMultiSynthList;

  2763. 

  2764.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2765.     {

  2766.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2767. 

  2768.         const char* dlabel = nullptr;

  2769. 

  2770.         try {

  2771.             dlabel = carla_strdup(label);

  2772.         } catch(...) { return false; }

  2773. 

  2774.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2775.         {

  2776.             const char* const itLabel(it.getValue());

  2777. 

  2778.             if (std::strcmp(dlabel, itLabel) == 0)

  2779.             {

  2780.                 delete[] dlabel;

  2781.                 return false;

  2782.             }

  2783.         }

  2784. 

  2785.         return sMultiSynthList.append(dlabel);

  2786.     }

  2787. 

  2788.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2789.     {

  2790.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2791. 

  2792.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2793.         {

  2794.             const char* const itLabel(it.getValue());

  2795. 

  2796.             if (std::strcmp(label, itLabel) == 0)

  2797.             {

  2798.                 sMultiSynthList.remove(it);

  2799.                 delete[] itLabel;

  2800.                 break;

  2801.             }

  2802.         }

  2803.     }

  2804. 

  2805.     // -------------------------------------------------------------------

  2806. 

  2807.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2808. };

  2809. 

  2810. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2811. 

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

  2813. 

  2814. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2815. {

  2816.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2817. 

  2818.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2819. 

  2820.     if (! plugin->init(init.filename, init.name, init.label))

  2821.     {

  2822.         delete plugin;

  2823.         return nullptr;

  2824.     }

  2825. 

  2826.     plugin->reload();

  2827. 

  2828.     bool canRun = true;

  2829. 

  2830.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2831.     {

  2832.         if (! plugin->canRunInRack())

  2833.         {

  2834.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2835.             canRun = false;

  2836.         }

  2837.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2838.         {

  2839.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2840.             canRun = false;

  2841.         }

  2842.     }

  2843.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2844.     {

  2845.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2846.         canRun = false;

  2847.     }

  2848. 

  2849.     if (! canRun)

  2850.     {

  2851.         delete plugin;

  2852.         return nullptr;

  2853.     }

  2854. 

  2855.     return plugin;

  2856. }

  2857. 

  2858. // -------------------------------------------------------------------------------------------------------------------

  2859. 

  2860. CARLA_BACKEND_END_NAMESPACE