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.
2722 Commits
16 Branches
14GB
Tree: 59e65ff67a
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '59e65ff67a'
${ noResults }
Carla/source/backend/plugin/CarlaPluginDSSI.cpp

2850 lines
101KB
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 "CarlaPipeUtils.hpp"

  30. # include "CarlaThread.hpp"

  31. #endif

  32. 

  33. using juce::ChildProcess;

  34. using juce::ScopedPointer;

  35. using juce::String;

  36. using juce::StringArray;

  37. 

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

  39.     /* check argument count */                                                                                                  \

  40.     if (argc != argcToCompare)                                                                                                  \

  41.     {                                                                                                                           \

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

  43.         return;                                                                                                                 \

  44.     }                                                                                                                           \

  45.     if (argc > 0)                                                                                                               \

  46.     {                                                                                                                           \

  47.         /* check for nullness */                                                                                                \

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

  49.         {                                                                                                                       \

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

  51.             return;                                                                                                             \

  52.         }                                                                                                                       \

  53.         /* check argument types */                                                                                              \

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

  55.         {                                                                                                                       \

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

  57.             return;                                                                                                             \

  58.         }                                                                                                                       \

  59.     }

  60. 

  61. CARLA_BACKEND_START_NAMESPACE

  62. 

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

  64. // Fallback data

  65. 

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

  67. 

  68. #ifdef HAVE_LIBLO

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

  70. 

  71. class CarlaThreadDSSIUI : public CarlaThread

  72. {

  73. public:

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

  75.         : CarlaThread("CarlaThreadDSSIUI"),

  76.           kEngine(engine),

  77.           kPlugin(plugin),

  78.           fBinary(),

  79.           fLabel(),

  80.           fOscData(oscData),

  81.           fProcess(),

  82.           leakDetector_CarlaThreadDSSIUI() {}

  83. 

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

  85.     {

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

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

  88.         CARLA_SAFE_ASSERT(! isThreadRunning());

  89. 

  90.         fBinary = binary;

  91.         fLabel  = label;

  92. 

  93.         if (fLabel.isEmpty())

  94.             fLabel = "\"\"";

  95.     }

  96. 

  97.     uintptr_t getProcessPID() const noexcept

  98.     {

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

  100. 

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

  102.     }

  103. 

  104.     void run()

  105.     {

  106.         if (fProcess == nullptr)

  107.         {

  108.             fProcess = new ChildProcess();

  109.         }

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

  111.         {

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

  113. 

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

  115.             fProcess->kill();

  116.             fProcess = nullptr;

  117.             return;

  118.         }

  119. 

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

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

  122. 

  123.         if (name.isEmpty())

  124.             name = "(none)";

  125. 

  126.         if (filename.isEmpty())

  127.             filename = "\"\"";

  128. 

  129.         StringArray arguments;

  130. 

  131.         // binary

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

  133. 

  134.         // osc-url

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

  136. 

  137.         // filename

  138.         arguments.add(filename);

  139. 

  140.         // label

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

  142. 

  143.         // ui-title

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

  145. 

  146.         bool started;

  147. 

  148.         {

  149. #ifdef CARLA_OS_LINUX

  150.             /*

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

  152.              * If not, unset LD_PRELOAD.

  153.              */

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

  155. 

  156.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  157.             char winIdStr[STR_MAX+1];

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

  159. 

  160.             // for LD_PRELOAD

  161.             CarlaString ldPreloadValue;

  162. 

  163.             if (winId != 0)

  164.             {

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

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

  167.             }

  168. 

  169.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  172. #endif // CARLA_OS_LINUX

  173. 

  174.             // start the DSSI UI application

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

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

  177.         }

  178. 

  179.         if (! started)

  180.         {

  181.             carla_stdout("failed!");

  182.             fProcess = nullptr;

  183.             return;

  184.         }

  185. 

  186.         if (waitForOscGuiShow())

  187.         {

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

  189.                 carla_sleep(1);

  190. 

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

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

  193.             {

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

  195. 

  196.                 if (fProcess->isRunning())

  197.                 {

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

  199.                     fProcess->kill();

  200.                 }

  201.                 else

  202.                 {

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

  204.                 }

  205.             }

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

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

  208.             else

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

  210. 

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

  212.         }

  213.         else

  214.         {

  215.             fProcess->kill();

  216. 

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

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

  219.         }

  220. 

  221.         carla_stdout("DSSI UI finished");

  222.         fProcess = nullptr;

  223.     }

  224. 

  225. private:

  226.     CarlaEngine* const kEngine;

  227.     CarlaPlugin* const kPlugin;

  228. 

  229.     CarlaString fBinary;

  230.     CarlaString fLabel;

  231. 

  232.     const CarlaOscData&         fOscData;

  233.     ScopedPointer<ChildProcess> fProcess;

  234. 

  235.     bool waitForOscGuiShow()

  236.     {

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

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

  239. 

  240.         // wait for UI 'update' call

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

  242.         {

  243.             if (fOscData.target != nullptr)

  244.             {

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

  246.                 osc_send_show(fOscData);

  247.                 return true;

  248.             }

  249. 

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

  251.                 carla_msleep(100);

  252.             else

  253.                 return false;

  254.         }

  255. 

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

  257.         return false;

  258.     }

  259. 

  260.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  261. };

  262. #endif

  263. 

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

  265. 

  266. class CarlaPluginDSSI : public CarlaPlugin

  267. {

  268. public:

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

  270.         : CarlaPlugin(engine, id),

  271.           fHandle(nullptr),

  272.           fHandle2(nullptr),

  273.           fDescriptor(nullptr),

  274.           fDssiDescriptor(nullptr),

  275.           fUsesCustomData(false),

  276. #ifdef HAVE_LIBLO

  277.           fUiFilename(nullptr),

  278. #endif

  279.           fAudioInBuffers(nullptr),

  280.           fAudioOutBuffers(nullptr),

  281.           fParamBuffers(nullptr),

  282.           fLatencyChanged(false),

  283.           fLatencyIndex(-1),

  284. #ifdef HAVE_LIBLO

  285.           fOscData(),

  286.           fThreadUI(engine, this, fOscData),

  287. #endif

  288.           leakDetector_CarlaPluginDSSI()

  289.     {

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

  291.     }

  292. 

  293.     ~CarlaPluginDSSI() noexcept override

  294.     {

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

  296. 

  297. #ifdef HAVE_LIBLO

  298.         // close UI

  299.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  300.         {

  301.             showCustomUI(false);

  302. 

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

  304.         }

  305. #endif

  306. 

  307.         pData->singleMutex.lock();

  308.         pData->masterMutex.lock();

  309. 

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

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

  312. 

  313.         if (pData->active)

  314.         {

  315.             deactivate();

  316.             pData->active = false;

  317.         }

  318. 

  319.         if (fDescriptor != nullptr)

  320.         {

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

  322.                 removeUniqueMultiSynth(fDescriptor->Label);

  323. 

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

  325.             {

  326.                 if (fHandle != nullptr)

  327.                 {

  328.                     try {

  329.                         fDescriptor->cleanup(fHandle);

  330.                     } CARLA_SAFE_EXCEPTION("DSSI cleanup");

  331.                 }

  332. 

  333.                 if (fHandle2 != nullptr)

  334.                 {

  335.                     try {

  336.                         fDescriptor->cleanup(fHandle2);

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

  338.                 }

  339.             }

  340. 

  341.             fHandle  = nullptr;

  342.             fHandle2 = nullptr;

  343.             fDescriptor = nullptr;

  344.             fDssiDescriptor = nullptr;

  345.         }

  346. 

  347. #ifdef HAVE_LIBLO

  348.         if (fUiFilename != nullptr)

  349.         {

  350.             delete[] fUiFilename;

  351.             fUiFilename = nullptr;

  352.         }

  353. #endif

  354. 

  355.         clearBuffers();

  356.     }

  357. 

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

  359.     // Information (base)

  360. 

  361.     PluginType getType() const noexcept override

  362.     {

  363.         return PLUGIN_DSSI;

  364.     }

  365. 

  366.     PluginCategory getCategory() const noexcept override

  367.     {

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

  369. 

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

  371.             return PLUGIN_CATEGORY_SYNTH;

  372. 

  373.         return CarlaPlugin::getCategory();

  374.     }

  375. 

  376.     int64_t getUniqueId() const noexcept override

  377.     {

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

  379. 

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

  381.     }

  382. 

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

  384.     // Information (count)

  385. 

  386.     // nothing

  387. 

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

  389.     // Information (current data)

  390. 

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

  392.     {

  393.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  400. 

  401.         *dataPtr = nullptr;

  402. 

  403.         int ret = 0;

  404.         ulong dataSize = 0;

  405. 

  406.         try {

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

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

  409. 

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

  411.     }

  412. 

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

  414.     // Information (per-plugin data)

  415. 

  416.     uint getOptionsAvailable() const noexcept override

  417.     {

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

  419. 

  420. #ifdef __USE_GNU

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

  422. #else

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

  424. #endif

  425. 

  426.         uint options = 0x0;

  427. 

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

  429.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  430. 

  431.         if (! isDssiVst)

  432.         {

  433.             if (fLatencyIndex == -1)

  434.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  435. 

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

  437.             {

  438.                 if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  439.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  441.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  442.             }

  443.         }

  444. 

  445.         if (fUsesCustomData)

  446.             options |= PLUGIN_OPTION_USE_CHUNKS;

  447. 

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

  449.         {

  450.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  451.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  452.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  453.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  454.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  455.         }

  456. 

  457.         return options;

  458.     }

  459. 

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

  461.     {

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

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

  464. 

  465.         return fParamBuffers[parameterId];

  466.     }

  467. 

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

  469.     {

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

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

  472. 

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

  474.     }

  475. 

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

  477.     {

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

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

  480. 

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

  482.     }

  483. 

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

  485.     {

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

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

  488. 

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

  490.     }

  491. 

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

  493.     {

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

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

  496. 

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

  498.     }

  499. 

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

  501.     {

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

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

  504. 

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

  506. 

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

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

  509. 

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

  511.             return;

  512. 

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

  514.     }

  515. 

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

  517.     {

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

  519. 

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

  521. 

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

  523. 

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

  525.             return;

  526. 

  527.         nullStrBuf(strBuf);

  528.     }

  529. 

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

  531.     // Set data (state)

  532. 

  533.     // nothing

  534. 

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

  536.     // Set data (internal stuff)

  537. 

  538.     void setId(const uint newId) noexcept

  539.     {

  540.         CarlaPlugin::setId(newId);

  541. 

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

  543.         // FIXME - must be RT safe

  544.         showCustomUI(false);

  545.     }

  546. 

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

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

  549. 

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

  551.     {

  552.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  554. 

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

  556.         fParamBuffers[parameterId] = fixedValue;

  557. 

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

  559.     }

  560. 

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

  562.     {

  563.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  564.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  567.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  569. 

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

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

  572. 

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

  574.         {

  575.             try {

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

  577.             } catch(...) {}

  578. 

  579.             if (fHandle2 != nullptr)

  580.             {

  581.                 try {

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

  583.                 } catch(...) {}

  584.             }

  585.         }

  586. 

  587. #ifdef HAVE_LIBLO

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

  589.             osc_send_configure(fOscData, key, value);

  590. #endif

  591. 

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

  593.         {

  594.             const ScopedSingleProcessLocker spl(this, true);

  595.             reloadPrograms(false);

  596.         }

  597. 

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

  599.     }

  600. 

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

  602.     {

  603.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  605.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  607.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  608.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  609.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  610.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  611. 

  612.         {

  613.             const ScopedSingleProcessLocker spl(this, true);

  614. 

  615.             try {

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

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

  618.         }

  619. 

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

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

  622. #else

  623.         const bool sendOsc(false);

  624. #endif

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

  626.     }

  627. 

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

  629.     {

  630.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  632.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  634. 

  635.         if (index >= 0)

  636.         {

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

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

  639. 

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

  641. 

  642.             try {

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

  644.             } catch(...) {}

  645. 

  646.             if (fHandle2 != nullptr)

  647.             {

  648.                 try {

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

  650.                 } catch(...) {}

  651.             }

  652.         }

  653. 

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

  655.     }

  656. 

  657. #ifdef HAVE_LIBLO

  658.     // -------------------------------------------------------------------

  659.     // Set ui stuff

  660. 

  661.     void showCustomUI(const bool yesNo) override

  662.     {

  663.         if (yesNo)

  664.         {

  665.             fOscData.clear();

  666.             fThreadUI.startThread();

  667.         }

  668.         else

  669.         {

  670.             pData->transientTryCounter = 0;

  671. 

  672.             if (fOscData.target != nullptr)

  673.             {

  674.                 osc_send_hide(fOscData);

  675.                 osc_send_quit(fOscData);

  676.                 fOscData.clear();

  677.             }

  678. 

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

  680.         }

  681.     }

  682. #endif

  683. 

  684. #if 0 // TODO

  685.     void idle() override

  686.     {

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

  688.         {

  689.             fLatencyChanged = false;

  690. 

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

  692. 

  693.             if (latency >= 0)

  694.             {

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

  696. 

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

  698.                 {

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

  700. 

  701.                     const ScopedSingleProcessLocker sspl(this, true);

  702. 

  703.                     pData->latency = ulatency;

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

  705. #ifndef BUILD_BRIDGE

  706.                     pData->recreateLatencyBuffers();

  707. #endif

  708.                 }

  709.             }

  710.             else

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

  712.         }

  713. 

  714.         CarlaPlugin::idle();

  715.     }

  716. #endif

  717. 

  718.     // -------------------------------------------------------------------

  719.     // Plugin state

  720. 

  721.     void reload() override

  722.     {

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

  724.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  725.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  726.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  728. 

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

  730. 

  731.         // Safely disable plugin for reload

  732.         const ScopedDisabler sd(this);

  733. 

  734.         if (pData->active)

  735.             deactivate();

  736. 

  737.         clearBuffers();

  738. 

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

  740.         const uint32_t portCount(getSafePortCount());

  741. 

  742.         uint32_t aIns, aOuts, mIns, params;

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

  744. 

  745.         bool forcedStereoIn, forcedStereoOut;

  746.         forcedStereoIn = forcedStereoOut = false;

  747. 

  748.         bool needsCtrlIn, needsCtrlOut;

  749.         needsCtrlIn = needsCtrlOut = false;

  750. 

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

  752.         {

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

  754. 

  755.             if (LADSPA_IS_PORT_AUDIO(portType))

  756.             {

  757.                 if (LADSPA_IS_PORT_INPUT(portType))

  758.                     aIns += 1;

  759.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  760.                     aOuts += 1;

  761.             }

  762.             else if (LADSPA_IS_PORT_CONTROL(portType))

  763.                 params += 1;

  764.         }

  765. 

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

  767.         {

  768.             if (fHandle2 == nullptr)

  769.             {

  770.                 try {

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

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

  773.             }

  774. 

  775.             if (fHandle2 != nullptr)

  776.             {

  777.                 if (aIns == 1)

  778.                 {

  779.                     aIns = 2;

  780.                     forcedStereoIn = true;

  781.                 }

  782. 

  783.                 if (aOuts == 1)

  784.                 {

  785.                     aOuts = 2;

  786.                     forcedStereoOut = true;

  787.                 }

  788.             }

  789.         }

  790. 

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

  792.         {

  793.             mIns = 1;

  794.             needsCtrlIn = true;

  795.         }

  796. 

  797.         if (aIns > 0)

  798.         {

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

  800.             fAudioInBuffers = new float*[aIns];

  801. 

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

  803.                 fAudioInBuffers[i] = nullptr;

  804.         }

  805. 

  806.         if (aOuts > 0)

  807.         {

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

  809.             fAudioOutBuffers = new float*[aOuts];

  810.             needsCtrlIn = true;

  811. 

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

  813.                 fAudioOutBuffers[i] = nullptr;

  814.         }

  815. 

  816.         if (params > 0)

  817.         {

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

  819. 

  820.             fParamBuffers = new float[params];

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

  822.         }

  823. 

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

  825.         CarlaString portName;

  826. 

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

  828.         {

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

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

  831. 

  832.             if (LADSPA_IS_PORT_AUDIO(portType))

  833.             {

  834.                 portName.clear();

  835. 

  836.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  837.                 {

  838.                     portName  = pData->name;

  839.                     portName += ":";

  840.                 }

  841. 

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

  843.                 {

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

  845.                 }

  846.                 else

  847.                 {

  848.                     if (LADSPA_IS_PORT_INPUT(portType))

  849.                     {

  850.                         if (aIns > 1)

  851.                         {

  852.                             portName += "audio-in_";

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

  854.                         }

  855.                         else

  856.                             portName += "audio-in";

  857.                     }

  858.                     else

  859.                     {

  860.                         if (aOuts > 1)

  861.                         {

  862.                             portName += "audio-out_";

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

  864.                         }

  865.                         else

  866.                             portName += "audio-out";

  867.                     }

  868.                 }

  869. 

  870.                 portName.truncate(portNameSize);

  871. 

  872.                 if (LADSPA_IS_PORT_INPUT(portType))

  873.                 {

  874.                     const uint32_t j = iAudioIn++;

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

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

  877. 

  878.                     if (forcedStereoIn)

  879.                     {

  880.                         portName += "_2";

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

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

  883.                     }

  884.                 }

  885.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  886.                 {

  887.                     const uint32_t j = iAudioOut++;

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

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

  890. 

  891.                     if (forcedStereoOut)

  892.                     {

  893.                         portName += "_2";

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

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

  896.                     }

  897.                 }

  898.                 else

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

  900.             }

  901.             else if (LADSPA_IS_PORT_CONTROL(portType))

  902.             {

  903.                 const uint32_t j = iCtrl++;

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

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

  906. 

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

  908. 

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

  910. 

  911.                 // min value

  912.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  913.                     min = portRangeHints.LowerBound;

  914.                 else

  915.                     min = 0.0f;

  916. 

  917.                 // max value

  918.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  919.                     max = portRangeHints.UpperBound;

  920.                 else

  921.                     max = 1.0f;

  922. 

  923.                 if (min > max)

  924.                 {

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

  926.                     min = max - 0.1f;

  927.                 }

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

  929.                 {

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

  931.                     max = min + 0.1f;

  932.                 }

  933. 

  934.                 // default value

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

  936. 

  937.                 if (def < min)

  938.                     def = min;

  939.                 else if (def > max)

  940.                     def = max;

  941. 

  942.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  943.                 {

  944.                     min *= sampleRate;

  945.                     max *= sampleRate;

  946.                     def *= sampleRate;

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

  948.                 }

  949. 

  950.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  951.                 {

  952.                     step = max - min;

  953.                     stepSmall = step;

  954.                     stepLarge = step;

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

  956.                 }

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

  958.                 {

  959.                     step = 1.0f;

  960.                     stepSmall = 1.0f;

  961.                     stepLarge = 10.0f;

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

  963.                 }

  964.                 else

  965.                 {

  966.                     const float range = max - min;

  967.                     step = range/100.0f;

  968.                     stepSmall = range/1000.0f;

  969.                     stepLarge = range/10.0f;

  970.                 }

  971. 

  972.                 if (LADSPA_IS_PORT_INPUT(portType))

  973.                 {

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

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

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

  977.                     needsCtrlIn = true;

  978. 

  979.                     // MIDI CC value

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

  981.                     {

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

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

  984.                         {

  985.                             int16_t cc = DSSI_CC_NUMBER(controller);

  986.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  988.                         }

  989.                     }

  990.                 }

  991.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  992.                 {

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

  994. 

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

  996.                     {

  997.                         min = 0.0f;

  998.                         max = sampleRate;

  999.                         def = 0.0f;

  1000.                         step = 1.0f;

  1001.                         stepSmall = 1.0f;

  1002.                         stepLarge = 1.0f;

  1003.                         pData->param.special[j] = PARAMETER_SPECIAL_LATENCY;

  1004.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

  1005.                         fLatencyIndex = static_cast<int32_t>(j);

  1006.                     }

  1007.                     else

  1008.                     {

  1009.                         pData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  1010.                         pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  1011.                         needsCtrlOut = true;

  1012.                     }

  1013.                 }

  1014.                 else

  1015.                 {

  1016.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1017.                 }

  1018. 

  1019.                 // extra parameter hints

  1020.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1021.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1022. 

  1023.                 pData->param.ranges[j].min = min;

  1024.                 pData->param.ranges[j].max = max;

  1025.                 pData->param.ranges[j].def = def;

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

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

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

  1029. 

  1030.                 // Start parameters in their default values

  1031.                 fParamBuffers[j] = def;

  1032. 

  1033.                 try {

  1034.                     fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]);

  1035.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter");

  1036. 

  1037.                 if (fHandle2 != nullptr)

  1038.                 {

  1039.                     try {

  1040.                         fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]);

  1041.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2");

  1042.                 }

  1043.             }

  1044.             else

  1045.             {

  1046.                 // Not Audio or Control

  1047.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1048. 

  1049.                 try {

  1050.                     fDescriptor->connect_port(fHandle, i, nullptr);

  1051.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port null");

  1052. 

  1053.                 if (fHandle2 != nullptr)

  1054.                 {

  1055.                     try {

  1056.                         fDescriptor->connect_port(fHandle2, i, nullptr);

  1057.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2");

  1058.                 }

  1059.             }

  1060.         }

  1061. 

  1062.         if (needsCtrlIn)

  1063.         {

  1064.             portName.clear();

  1065. 

  1066.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1067.             {

  1068.                 portName  = pData->name;

  1069.                 portName += ":";

  1070.             }

  1071. 

  1072.             portName += "events-in";

  1073.             portName.truncate(portNameSize);

  1074. 

  1075.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true);

  1076.         }

  1077. 

  1078.         if (needsCtrlOut)

  1079.         {

  1080.             portName.clear();

  1081. 

  1082.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1083.             {

  1084.                 portName  = pData->name;

  1085.                 portName += ":";

  1086.             }

  1087. 

  1088.             portName += "events-out";

  1089.             portName.truncate(portNameSize);

  1090. 

  1091.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false);

  1092.         }

  1093. 

  1094.         if (forcedStereoIn || forcedStereoOut)

  1095.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1096.         else

  1097.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1098. 

  1099.         // plugin hints

  1100.         pData->hints = 0x0;

  1101. 

  1102.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1103.             pData->hints |= PLUGIN_IS_RTSAFE;

  1104. 

  1105. #ifdef HAVE_LIBLO

  1106.         if (fUiFilename != nullptr)

  1107.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1108. #endif

  1109. 

  1110. #ifndef BUILD_BRIDGE

  1111.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1112.             pData->hints |= PLUGIN_CAN_DRYWET;

  1113. 

  1114.         if (aOuts > 0)

  1115.             pData->hints |= PLUGIN_CAN_VOLUME;

  1116. 

  1117.         if (aOuts >= 2 && aOuts % 2 == 0)

  1118.             pData->hints |= PLUGIN_CAN_BALANCE;

  1119. #endif

  1120. 

  1121.         // extra plugin hints

  1122.         pData->extraHints = 0x0;

  1123. 

  1124.         if (mIns > 0)

  1125.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1126. 

  1127.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1128.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1129. 

  1130. #if 0 // TODO

  1131.         // check latency

  1132.         if (fLatencyIndex >= 0)

  1133.         {

  1134.             // we need to pre-run the plugin so it can update its latency control-port

  1135. 

  1136.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1137.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1138. 

  1139.             for (uint32_t j=0; j < aIns; ++j)

  1140.             {

  1141.                 tmpIn[j][0] = 0.0f;

  1142.                 tmpIn[j][1] = 0.0f;

  1143. 

  1144.                 try {

  1145.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1146.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1147.             }

  1148. 

  1149.             for (uint32_t j=0; j < aOuts; ++j)

  1150.             {

  1151.                 tmpOut[j][0] = 0.0f;

  1152.                 tmpOut[j][1] = 0.0f;

  1153. 

  1154.                 try {

  1155.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1156.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1157.             }

  1158. 

  1159.             if (fDescriptor->activate != nullptr)

  1160.             {

  1161.                 try {

  1162.                     fDescriptor->activate(fHandle);

  1163.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1164.             }

  1165. 

  1166.             try {

  1167.                 fDescriptor->run(fHandle, 2);

  1168.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1169. 

  1170.             if (fDescriptor->deactivate != nullptr)

  1171.             {

  1172.                 try {

  1173.                     fDescriptor->deactivate(fHandle);

  1174.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1175.             }

  1176. 

  1177.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1178. 

  1179.             if (latency >= 0)

  1180.             {

  1181.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1182. 

  1183.                 if (pData->latency != ulatency)

  1184.                 {

  1185.                     carla_stdout("latency = %i", latency);

  1186. 

  1187.                     pData->latency = ulatency;

  1188.                     pData->client->setLatency(ulatency);

  1189. #ifndef BUILD_BRIDGE

  1190.                     pData->recreateLatencyBuffers();

  1191. #endif

  1192.                 }

  1193.             }

  1194.             else

  1195.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1196. 

  1197.             fLatencyChanged = false;

  1198.         }

  1199. #endif

  1200. 

  1201.         bufferSizeChanged(pData->engine->getBufferSize());

  1202.         reloadPrograms(true);

  1203. 

  1204.         if (pData->active)

  1205.             activate();

  1206. 

  1207.         carla_debug("CarlaPluginDSSI::reload() - end");

  1208.     }

  1209. 

  1210.     void reloadPrograms(const bool doInit) override

  1211.     {

  1212.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1213.         const uint32_t oldCount = pData->midiprog.count;

  1214.         const int32_t  current  = pData->midiprog.current;

  1215. 

  1216.         // Delete old programs

  1217.         pData->midiprog.clear();

  1218. 

  1219.         // Query new programs

  1220.         uint32_t newCount = 0;

  1221.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1222.         {

  1223.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1224.                 ++newCount;

  1225.         }

  1226. 

  1227.         if (newCount > 0)

  1228.         {

  1229.             pData->midiprog.createNew(newCount);

  1230. 

  1231.             // Update data

  1232.             for (uint32_t i=0; i < newCount; ++i)

  1233.             {

  1234.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1235.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1236.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1237. 

  1238.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1239.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1240.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1241.             }

  1242.         }

  1243. 

  1244. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1245.         // Update OSC Names

  1246.         if (pData->engine->isOscControlRegistered())

  1247.         {

  1248.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1249. 

  1250.             for (uint32_t i=0; i < newCount; ++i)

  1251.                 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);

  1252.         }

  1253. #endif

  1254. 

  1255.         if (doInit)

  1256.         {

  1257.             if (newCount > 0)

  1258.                 setMidiProgram(0, false, false, false);

  1259.         }

  1260.         else

  1261.         {

  1262.             // Check if current program is invalid

  1263.             bool programChanged = false;

  1264. 

  1265.             if (newCount == oldCount+1)

  1266.             {

  1267.                 // one midi program added, probably created by user

  1268.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1269.                 programChanged = true;

  1270.             }

  1271.             else if (current < 0 && newCount > 0)

  1272.             {

  1273.                 // programs exist now, but not before

  1274.                 pData->midiprog.current = 0;

  1275.                 programChanged = true;

  1276.             }

  1277.             else if (current >= 0 && newCount == 0)

  1278.             {

  1279.                 // programs existed before, but not anymore

  1280.                 pData->midiprog.current = -1;

  1281.                 programChanged = true;

  1282.             }

  1283.             else if (current >= static_cast<int32_t>(newCount))

  1284.             {

  1285.                 // current midi program > count

  1286.                 pData->midiprog.current = 0;

  1287.                 programChanged = true;

  1288.             }

  1289.             else

  1290.             {

  1291.                 // no change

  1292.                 pData->midiprog.current = current;

  1293.             }

  1294. 

  1295.             if (programChanged)

  1296.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1297. 

  1298.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1299.         }

  1300.     }

  1301. 

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

  1303.     // Plugin processing

  1304. 

  1305.     void activate() noexcept override

  1306.     {

  1307.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1308.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1309. 

  1310.         if (fDescriptor->activate != nullptr)

  1311.         {

  1312.             try {

  1313.                 fDescriptor->activate(fHandle);

  1314.             } CARLA_SAFE_EXCEPTION("DSSI activate");

  1315. 

  1316.             if (fHandle2 != nullptr)

  1317.             {

  1318.                 try {

  1319.                     fDescriptor->activate(fHandle2);

  1320.                 } CARLA_SAFE_EXCEPTION("DSSI activate #2");

  1321.             }

  1322.         }

  1323.     }

  1324. 

  1325.     void deactivate() noexcept override

  1326.     {

  1327.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1328.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  1329. 

  1330.         if (fDescriptor->deactivate != nullptr)

  1331.         {

  1332.             try {

  1333.                 fDescriptor->deactivate(fHandle);

  1334.             } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1335. 

  1336.             if (fHandle2 != nullptr)

  1337.             {

  1338.                 try {

  1339.                     fDescriptor->deactivate(fHandle2);

  1340.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate #2");

  1341.             }

  1342.         }

  1343.     }

  1344. 

  1345.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1346.     {

  1347.         // --------------------------------------------------------------------------------------------------------

  1348.         // Check if active

  1349. 

  1350.         if (! pData->active)

  1351.         {

  1352.             // disable any output sound

  1353.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1354.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1355.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1356.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1357.             return;

  1358.         }

  1359. 

  1360.         ulong midiEventCount = 0;

  1361.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1362. 

  1363.         // --------------------------------------------------------------------------------------------------------

  1364.         // Check if needs reset

  1365. 

  1366.         if (pData->needsReset)

  1367.         {

  1368.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1369.             {

  1370.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1371. 

  1372.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1373.                 {

  1374.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1375.                     fMidiEvents[i].data.control.channel = i;

  1376.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1377. 

  1378.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1379.                     fMidiEvents[k+i].data.control.channel = i;

  1380.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1381.                 }

  1382.             }

  1383.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1384.             {

  1385.                 midiEventCount = MAX_MIDI_NOTE;

  1386. 

  1387.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1388.                 {

  1389.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1390.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1391.                     fMidiEvents[i].data.note.note    = i;

  1392.                 }

  1393.             }

  1394. 

  1395. #ifndef BUILD_BRIDGE

  1396. #if 0 // TODO

  1397.             if (pData->latency > 0)

  1398.             {

  1399.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1400.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1401.             }

  1402. #endif

  1403. #endif

  1404. 

  1405.             pData->needsReset = false;

  1406.         }

  1407. 

  1408.         // --------------------------------------------------------------------------------------------------------

  1409.         // Event Input and Processing

  1410. 

  1411.         if (pData->event.portIn != nullptr)

  1412.         {

  1413.             // ----------------------------------------------------------------------------------------------------

  1414.             // MIDI Input (External)

  1415. 

  1416.             if (pData->extNotes.mutex.tryLock())

  1417.             {

  1418.                 ExternalMidiNote note = { 0, 0, 0 };

  1419. 

  1420.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1421.                 {

  1422.                     note = pData->extNotes.data.getFirst(note, true);

  1423. 

  1424.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1425. 

  1426.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1427. 

  1428.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1429.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1430.                     seqEvent.data.note.note     = note.note;

  1431.                     seqEvent.data.note.velocity = note.velo;

  1432.                 }

  1433. 

  1434.                 pData->extNotes.mutex.unlock();

  1435. 

  1436.             } // End of MIDI Input (External)

  1437. 

  1438.             // ----------------------------------------------------------------------------------------------------

  1439.             // Event Input (System)

  1440. 

  1441. #ifndef BUILD_BRIDGE

  1442.             bool       allNotesOffSent  = false;

  1443. #endif

  1444.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1445. 

  1446.             uint32_t startTime  = 0;

  1447.             uint32_t timeOffset = 0;

  1448.             uint32_t nextBankId;

  1449. 

  1450.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1451.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1452.             else

  1453.                 nextBankId = 0;

  1454. 

  1455.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1456.             {

  1457.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1458. 

  1459.                 if (event.time >= frames)

  1460.                     continue;

  1461. 

  1462.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1463. 

  1464.                 if (isSampleAccurate && event.time > timeOffset)

  1465.                 {

  1466.                     if (processSingle(audioIn, audioOut, cvIn, cvOut, event.time - timeOffset, timeOffset, midiEventCount))

  1467.                     {

  1468.                         startTime  = 0;

  1469.                         timeOffset = event.time;

  1470.                         midiEventCount = 0;

  1471. 

  1472.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1473.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1474.                         else

  1475.                             nextBankId = 0;

  1476.                     }

  1477.                     else

  1478.                         startTime += timeOffset;

  1479.                 }

  1480. 

  1481.                 switch (event.type)

  1482.                 {

  1483.                 case kEngineEventTypeNull:

  1484.                     break;

  1485. 

  1486.                 case kEngineEventTypeControl: {

  1487.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1488. 

  1489.                     switch (ctrlEvent.type)

  1490.                     {

  1491.                     case kEngineControlEventTypeNull:

  1492.                         break;

  1493. 

  1494.                     case kEngineControlEventTypeParameter: {

  1495. #ifndef BUILD_BRIDGE

  1496.                         // Control backend stuff

  1497.                         if (event.channel == pData->ctrlChannel)

  1498.                         {

  1499.                             float value;

  1500. 

  1501.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1502.                             {

  1503.                                 value = ctrlEvent.value;

  1504.                                 setDryWet(value, false, false);

  1505.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1506.                                 break;

  1507.                             }

  1508. 

  1509.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1510.                             {

  1511.                                 value = ctrlEvent.value*127.0f/100.0f;

  1512.                                 setVolume(value, false, false);

  1513.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1514.                                 break;

  1515.                             }

  1516. 

  1517.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1518.                             {

  1519.                                 float left, right;

  1520.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1521. 

  1522.                                 if (value < 0.0f)

  1523.                                 {

  1524.                                     left  = -1.0f;

  1525.                                     right = (value*2.0f)+1.0f;

  1526.                                 }

  1527.                                 else if (value > 0.0f)

  1528.                                 {

  1529.                                     left  = (value*2.0f)-1.0f;

  1530.                                     right = 1.0f;

  1531.                                 }

  1532.                                 else

  1533.                                 {

  1534.                                     left  = -1.0f;

  1535.                                     right = 1.0f;

  1536.                                 }

  1537. 

  1538.                                 setBalanceLeft(left, false, false);

  1539.                                 setBalanceRight(right, false, false);

  1540.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1541.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1542.                                 break;

  1543.                             }

  1544.                         }

  1545. #endif

  1546.                         // Control plugin parameters

  1547.                         uint32_t k;

  1548.                         for (k=0; k < pData->param.count; ++k)

  1549.                         {

  1550.                             if (pData->param.data[k].midiChannel != event.channel)

  1551.                                 continue;

  1552.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1553.                                 continue;

  1554.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1555.                                 continue;

  1556.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1557.                                 continue;

  1558. 

  1559.                             float value;

  1560. 

  1561.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1562.                             {

  1563.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1564.                             }

  1565.                             else

  1566.                             {

  1567.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1568. 

  1569.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1570.                                     value = std::rint(value);

  1571.                             }

  1572. 

  1573.                             setParameterValue(k, value, false, false, false);

  1574.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1575.                             break;

  1576.                         }

  1577. 

  1578.                         // check if event is already handled

  1579.                         if (k != pData->param.count)

  1580.                             break;

  1581. 

  1582.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1583.                         {

  1584.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1585.                                 continue;

  1586. 

  1587.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1588. 

  1589.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1590. 

  1591.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1592.                             seqEvent.data.control.channel = event.channel;

  1593.                             seqEvent.data.control.param   = ctrlEvent.param;

  1594.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1595.                         }

  1596.                         break;

  1597.                     } // case kEngineControlEventTypeParameter

  1598. 

  1599.                     case kEngineControlEventTypeMidiBank:

  1600.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1601.                             nextBankId = ctrlEvent.param;

  1602.                         break;

  1603. 

  1604.                     case kEngineControlEventTypeMidiProgram:

  1605.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1606.                         {

  1607.                             const uint32_t nextProgramId = ctrlEvent.param;

  1608. 

  1609.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1610.                             {

  1611.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1612.                                 {

  1613.                                     const int32_t index(static_cast<int32_t>(k));

  1614.                                     setMidiProgram(index, false, false, false);

  1615.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1616.                                     break;

  1617.                                 }

  1618.                             }

  1619.                         }

  1620.                         break;

  1621. 

  1622.                     case kEngineControlEventTypeAllSoundOff:

  1623.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1624.                         {

  1625.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1626.                                 continue;

  1627. 

  1628.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1629. 

  1630.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1631. 

  1632.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1633.                             seqEvent.data.control.channel = event.channel;

  1634.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1635.                         }

  1636.                         break;

  1637. 

  1638.                     case kEngineControlEventTypeAllNotesOff:

  1639.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1640.                         {

  1641. #ifndef BUILD_BRIDGE

  1642.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1643.                             {

  1644.                                 allNotesOffSent = true;

  1645.                                 sendMidiAllNotesOffToCallback();

  1646.                             }

  1647. #endif

  1648. 

  1649.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1650.                                 continue;

  1651. 

  1652.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1653. 

  1654.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1655. 

  1656.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1657.                             seqEvent.data.control.channel = event.channel;

  1658.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1659.                         }

  1660.                         break;

  1661.                     } // switch (ctrlEvent.type)

  1662.                     break;

  1663.                 } // case kEngineEventTypeControl

  1664. 

  1665.                 case kEngineEventTypeMidi: {

  1666.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1667.                         continue;

  1668. 

  1669.                     const EngineMidiEvent& midiEvent(event.midi);

  1670. 

  1671.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1672.                         continue;

  1673. 

  1674.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1675. 

  1676.                     // Fix bad note-off (per DSSI spec)

  1677.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1678.                         status = MIDI_STATUS_NOTE_OFF;

  1679. 

  1680.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1681. 

  1682.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1683. 

  1684.                     switch (status)

  1685.                     {

  1686.                     case MIDI_STATUS_NOTE_OFF: {

  1687.                         const uint8_t note = midiEvent.data[1];

  1688. 

  1689.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1690.                         seqEvent.data.note.channel = event.channel;

  1691.                         seqEvent.data.note.note    = note;

  1692. 

  1693.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1694.                         break;

  1695.                     }

  1696. 

  1697.                     case MIDI_STATUS_NOTE_ON: {

  1698.                         const uint8_t note = midiEvent.data[1];

  1699.                         const uint8_t velo = midiEvent.data[2];

  1700. 

  1701.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1702.                         seqEvent.data.note.channel  = event.channel;

  1703.                         seqEvent.data.note.note     = note;

  1704.                         seqEvent.data.note.velocity = velo;

  1705. 

  1706.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1707.                         break;

  1708.                     }

  1709. 

  1710.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1711.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1712.                         {

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

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

  1715. 

  1716.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

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

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

  1720.                         }

  1721.                         break;

  1722. 

  1723.                     case MIDI_STATUS_CONTROL_CHANGE:

  1724.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1725.                         {

  1726.                             const uint8_t control = midiEvent.data[1];

  1727.                             const uint8_t value   = midiEvent.data[2];

  1728. 

  1729.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1730.                             seqEvent.data.control.channel = event.channel;

  1731.                             seqEvent.data.control.param   = control;

  1732.                             seqEvent.data.control.value   = value;

  1733.                         }

  1734.                         break;

  1735. 

  1736.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1737.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1738.                         {

  1739.                             const uint8_t pressure = midiEvent.data[1];

  1740. 

  1741.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1742.                             seqEvent.data.control.channel = event.channel;

  1743.                             seqEvent.data.control.value   = pressure;

  1744.                         }

  1745.                         break;

  1746. 

  1747.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1748.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1749.                         {

  1750.                             const uint8_t lsb = midiEvent.data[1];

  1751.                             const uint8_t msb = midiEvent.data[2];

  1752. 

  1753.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1754.                             seqEvent.data.control.channel = event.channel;

  1755.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1756.                         }

  1757.                         break;

  1758. 

  1759.                     default:

  1760.                         --midiEventCount;

  1761.                         break;

  1762.                     } // switch (status)

  1763.                 } break;

  1764.                 } // switch (event.type)

  1765.             }

  1766. 

  1767.             pData->postRtEvents.trySplice();

  1768. 

  1769.             if (frames > timeOffset)

  1770.                 processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset, midiEventCount);

  1771. 

  1772.         } // End of Event Input and Processing

  1773. 

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

  1775.         // Plugin processing (no events)

  1776. 

  1777.         else

  1778.         {

  1779.             processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0, midiEventCount);

  1780. 

  1781.         } // End of Plugin processing (no events)

  1782. 

  1783. #ifndef BUILD_BRIDGE

  1784. #if 0 // TODO

  1785.         // --------------------------------------------------------------------------------------------------------

  1786.         // Latency, save values for next callback

  1787. 

  1788.         if (fLatencyIndex != -1)

  1789.         {

  1790.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1791.             {

  1792.                 fLatencyChanged = true;

  1793.             }

  1794.             else if (pData->latency > 0)

  1795.             {

  1796.                 if (pData->latency <= frames)

  1797.                 {

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

  1799.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1800.                 }

  1801.                 else

  1802.                 {

  1803.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1804.                     {

  1805.                         for (k=0; k < pData->latency-frames; ++k)

  1806.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1807.                         for (j=0; k < pData->latency; ++j, ++k)

  1808.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1809.                     }

  1810.                 }

  1811.             }

  1812.         }

  1813. #endif

  1814. 

  1815.         // --------------------------------------------------------------------------------------------------------

  1816.         // Control Output

  1817. 

  1818.         if (pData->event.portOut != nullptr)

  1819.         {

  1820.             uint8_t  channel;

  1821.             uint16_t param;

  1822.             float    value;

  1823. 

  1824.             for (uint32_t k=0; k < pData->param.count; ++k)

  1825.             {

  1826.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1827.                     continue;

  1828. 

  1829.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1830. 

  1831.                 if (pData->param.data[k].midiCC > 0)

  1832.                 {

  1833.                     channel = pData->param.data[k].midiChannel;

  1834.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1835.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1836.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1837.                 }

  1838.             }

  1839.         } // End of Control Output

  1840. #endif

  1841.     }

  1842. 

  1843.     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)

  1844.     {

  1845.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1846. 

  1847.         if (pData->audioIn.count > 0)

  1848.         {

  1849.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1850.         }

  1851.         if (pData->audioOut.count > 0)

  1852.         {

  1853.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1854.         }

  1855.         if (pData->cvIn.count > 0)

  1856.         {

  1857.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1858.         }

  1859.         if (pData->cvOut.count > 0)

  1860.         {

  1861.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1862.         }

  1863. 

  1864.         // --------------------------------------------------------------------------------------------------------

  1865.         // Try lock, silence otherwise

  1866. 

  1867.         if (pData->engine->isOffline())

  1868.         {

  1869.             pData->singleMutex.lock();

  1870.         }

  1871.         else if (! pData->singleMutex.tryLock())

  1872.         {

  1873.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1874.             {

  1875.                 for (uint32_t k=0; k < frames; ++k)

  1876.                     audioOut[i][k+timeOffset] = 0.0f;

  1877.             }

  1878.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1879.             {

  1880.                 for (uint32_t k=0; k < frames; ++k)

  1881.                     cvOut[i][k+timeOffset] = 0.0f;

  1882.             }

  1883. 

  1884.             return false;

  1885.         }

  1886. 

  1887.         // --------------------------------------------------------------------------------------------------------

  1888.         // Set audio buffers

  1889. 

  1890.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1891.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, static_cast<int>(frames));

  1892. 

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

  1894.             FloatVectorOperations::clear(fAudioOutBuffers[i], static_cast<int>(frames));

  1895. 

  1896. #if 0

  1897.         // --------------------------------------------------------------------------------------------------------

  1898.         // Set CV buffers

  1899. 

  1900.         for (uint32_t i=0; i < pData->cvIn.count; ++i)

  1901.             FloatVectorOperations::copy(fCvInBuffers[i], cvIn[i]+timeOffset, static_cast<int>(frames));

  1902. 

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

  1904.             FloatVectorOperations::clear(fCvOutBuffers[i], static_cast<int>(frames));

  1905. #endif

  1906. 

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

  1908.         // Run plugin

  1909. 

  1910.         // TODO - try catch

  1911. 

  1912.         if (fDssiDescriptor->run_synth != nullptr)

  1913.         {

  1914.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1915. 

  1916.             if (fHandle2 != nullptr)

  1917.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1918.         }

  1919.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1920.         {

  1921.             ulong instances = (fHandle2 != nullptr) ? 2 : 1;

  1922.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1923.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1924.             ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1925.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1926.         }

  1927.         else

  1928.         {

  1929.             fDescriptor->run(fHandle, frames);

  1930. 

  1931.             if (fHandle2 != nullptr)

  1932.                 fDescriptor->run(fHandle2, frames);

  1933.         }

  1934. 

  1935. #ifndef BUILD_BRIDGE

  1936.         // --------------------------------------------------------------------------------------------------------

  1937.         // Post-processing (dry/wet, volume and balance)

  1938. 

  1939.         {

  1940.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1941.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1942.             const bool isMono    = (pData->audioIn.count == 1);

  1943. 

  1944.             bool isPair;

  1945.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1946. 

  1947.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1948.             {

  1949.                 // Dry/Wet

  1950.                 if (doDryWet)

  1951.                 {

  1952.                     for (uint32_t k=0; k < frames; ++k)

  1953.                     {

  1954. #if 0 // TODO

  1955.                         if (k < pData->latency)

  1956.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1957.                         else if (pData->latency < frames)

  1958.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1959.                         else

  1960. #endif

  1961.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1962. 

  1963.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1964.                     }

  1965.                 }

  1966. 

  1967.                 // Balance

  1968.                 if (doBalance)

  1969.                 {

  1970.                     isPair = (i % 2 == 0);

  1971. 

  1972.                     if (isPair)

  1973.                     {

  1974.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1975.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1976.                     }

  1977. 

  1978.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1979.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1980. 

  1981.                     for (uint32_t k=0; k < frames; ++k)

  1982.                     {

  1983.                         if (isPair)

  1984.                         {

  1985.                             // left

  1986.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1987.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1988.                         }

  1989.                         else

  1990.                         {

  1991.                             // right

  1992.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1993.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1994.                         }

  1995.                     }

  1996.                 }

  1997. 

  1998.                 // Volume (and buffer copy)

  1999.                 {

  2000.                     for (uint32_t k=0; k < frames; ++k)

  2001.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  2002.                 }

  2003.             }

  2004. 

  2005.         } // End of Post-processing

  2006. 

  2007. #else // BUILD_BRIDGE

  2008.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2009.         {

  2010.             for (uint32_t k=0; k < frames; ++k)

  2011.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2012.         }

  2013. #endif

  2014. 

  2015. #if 0

  2016.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2017.         {

  2018.             for (uint32_t k=0; k < frames; ++k)

  2019.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2020.         }

  2021. #endif

  2022. 

  2023.         // --------------------------------------------------------------------------------------------------------

  2024. 

  2025.         pData->singleMutex.unlock();

  2026.         return true;

  2027.     }

  2028. 

  2029.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2030.     {

  2031.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2032.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2033. 

  2034.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2035.         {

  2036.             if (fAudioInBuffers[i] != nullptr)

  2037.                 delete[] fAudioInBuffers[i];

  2038.             fAudioInBuffers[i] = new float[newBufferSize];

  2039.         }

  2040. 

  2041.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2042.         {

  2043.             if (fAudioOutBuffers[i] != nullptr)

  2044.                 delete[] fAudioOutBuffers[i];

  2045.             fAudioOutBuffers[i] = new float[newBufferSize];

  2046.         }

  2047. 

  2048.         if (fHandle2 == nullptr)

  2049.         {

  2050.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2051.             {

  2052.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  2053. 

  2054.                 try {

  2055.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2056.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input");

  2057.             }

  2058. 

  2059.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2060.             {

  2061.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  2062. 

  2063.                 try {

  2064.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

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

  2066.             }

  2067.         }

  2068.         else

  2069.         {

  2070.             if (pData->audioIn.count > 0)

  2071.             {

  2072.                 CARLA_ASSERT(pData->audioIn.count == 2);

  2073.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  2074.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  2075. 

  2076.                 try {

  2077.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2078.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1");

  2079. 

  2080.                 try {

  2081.                     fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2082.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2");

  2083.             }

  2084. 

  2085.             if (pData->audioOut.count > 0)

  2086.             {

  2087.                 CARLA_ASSERT(pData->audioOut.count == 2);

  2088.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  2089.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  2090. 

  2091.                 try {

  2092.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2093.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1");

  2094. 

  2095.                 try {

  2096.                     fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2097.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2");

  2098.             }

  2099.         }

  2100. 

  2101.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2102.     }

  2103. 

  2104.     void sampleRateChanged(const double newSampleRate) override

  2105.     {

  2106.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2107.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2108. 

  2109.         // TODO

  2110.         (void)newSampleRate;

  2111. 

  2112.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2113.     }

  2114. 

  2115.     // -------------------------------------------------------------------

  2116.     // Plugin buffers

  2117. 

  2118.     void clearBuffers() noexcept override

  2119.     {

  2120.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2121. 

  2122.         if (fAudioInBuffers != nullptr)

  2123.         {

  2124.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2125.             {

  2126.                 if (fAudioInBuffers[i] != nullptr)

  2127.                 {

  2128.                     delete[] fAudioInBuffers[i];

  2129.                     fAudioInBuffers[i] = nullptr;

  2130.                 }

  2131.             }

  2132. 

  2133.             delete[] fAudioInBuffers;

  2134.             fAudioInBuffers = nullptr;

  2135.         }

  2136. 

  2137.         if (fAudioOutBuffers != nullptr)

  2138.         {

  2139.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2140.             {

  2141.                 if (fAudioOutBuffers[i] != nullptr)

  2142.                 {

  2143.                     delete[] fAudioOutBuffers[i];

  2144.                     fAudioOutBuffers[i] = nullptr;

  2145.                 }

  2146.             }

  2147. 

  2148.             delete[] fAudioOutBuffers;

  2149.             fAudioOutBuffers = nullptr;

  2150.         }

  2151. 

  2152.         if (fParamBuffers != nullptr)

  2153.         {

  2154.             delete[] fParamBuffers;

  2155.             fParamBuffers = nullptr;

  2156.         }

  2157. 

  2158.         CarlaPlugin::clearBuffers();

  2159. 

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

  2161.     }

  2162. 

  2163. #ifdef HAVE_LIBLO

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

  2165.     // OSC stuff

  2166. 

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

  2168.     {

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

  2170.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2171. 

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

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

  2174. 

  2175.         if (fOscData.source == nullptr)

  2176.         {

  2177.             // if no UI is registered yet only "update" message is valid

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

  2179.         }

  2180.         else

  2181.         {

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

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

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

  2185. 

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

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

  2188. 

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

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

  2191.         }

  2192. 

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

  2194. 

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

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

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

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

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

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

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

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

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

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

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

  2206.             return handleOscMessageExiting();

  2207. 

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

  2209.     }

  2210. 

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

  2212.     {

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

  2214.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2215. 

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

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

  2218. 

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

  2220.     }

  2221. 

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

  2223.     {

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

  2225.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2226. 

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

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

  2229. 

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

  2231.     }

  2232. 

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

  2234.     {

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

  2236.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2237. 

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

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

  2240. 

  2241.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2242.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2243. 

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

  2245.     }

  2246. 

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

  2248.     {

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

  2250.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2251. 

  2252.         if (getMidiInCount() == 0)

  2253.         {

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

  2255.             return;

  2256.         }

  2257. 

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

  2259.         uint8_t status  = data[1];

  2260.         uint8_t channel = status & 0x0F;

  2261. 

  2262.         // Fix bad note-off

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

  2264.             status = MIDI_STATUS_NOTE_OFF;

  2265. 

  2266.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2267.         {

  2268.             const uint8_t note = data[2];

  2269. 

  2270.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2271. 

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

  2273.         }

  2274.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2275.         {

  2276.             const uint8_t note = data[2];

  2277.             const uint8_t velo = data[3];

  2278. 

  2279.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2280.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2281. 

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

  2283.         }

  2284.     }

  2285. 

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

  2287.     {

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

  2289.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2290. 

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

  2292. 

  2293.         // FIXME - remove debug prints later

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

  2295. 

  2296.         fOscData.clear();

  2297. 

  2298.         const int proto = lo_address_get_protocol(source);

  2299. 

  2300.         {

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

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

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

  2304. 

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

  2306.         }

  2307. 

  2308.         {

  2309.             char* host = lo_url_get_hostname(url);

  2310.             char* port = lo_url_get_port(url);

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

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

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

  2314. 

  2315.             std::free(host);

  2316.             std::free(port);

  2317.         }

  2318. 

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

  2320. 

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

  2322.         {

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

  2324.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2325. 

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

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

  2328.         }

  2329. 

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

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

  2332. 

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

  2334.         {

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

  2336. 

  2337.             if (getType() == PLUGIN_DSSI)

  2338.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2339.             else

  2340.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2341.         }

  2342. 

  2343.         for (uint32_t i=0; i < pData->param.count; ++i)

  2344.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2345. 

  2346.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2347.             pData->transientTryCounter = 1;

  2348. 

  2349.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2350.     }

  2351. 

  2352.     void handleOscMessageExiting()

  2353.     {

  2354.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2355. 

  2356.         // hide UI

  2357.         showCustomUI(false);

  2358. 

  2359.         // tell frontend

  2360.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2361.     }

  2362. #endif

  2363. 

  2364. #ifdef HAVE_LIBLO

  2365.     // -------------------------------------------------------------------

  2366.     // Post-poned UI Stuff

  2367. 

  2368.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2369.     {

  2370.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2371. 

  2372.         if (fOscData.target == nullptr)

  2373.             return;

  2374. 

  2375.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2376.     }

  2377. 

  2378.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2379.     {

  2380.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2381. 

  2382.         if (fOscData.target == nullptr)

  2383.             return;

  2384. 

  2385.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2386.     }

  2387. 

  2388.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2389.     {

  2390.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2391.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2392.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2393. 

  2394.         if (fOscData.target == nullptr)

  2395.             return;

  2396. 

  2397. #if 0

  2398.         uint8_t midiData[4];

  2399.         midiData[0] = 0;

  2400.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2401.         midiData[2] = note;

  2402.         midiData[3] = velo;

  2403. 

  2404.         osc_send_midi(fOscData, midiData);

  2405. #endif

  2406.     }

  2407. 

  2408.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2409.     {

  2410.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2411.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2412. 

  2413.         if (fOscData.target == nullptr)

  2414.             return;

  2415. 

  2416. #if 0

  2417.         uint8_t midiData[4];

  2418.         midiData[0] = 0;

  2419.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2420.         midiData[2] = note;

  2421.         midiData[3] = 0;

  2422. 

  2423.         osc_send_midi(fOscData, midiData);

  2424. #endif

  2425.     }

  2426. #endif

  2427. 

  2428.     // -------------------------------------------------------------------

  2429. 

  2430.     void* getNativeHandle() const noexcept override

  2431.     {

  2432.         return fHandle;

  2433.     }

  2434. 

  2435.     const void* getNativeDescriptor() const noexcept override

  2436.     {

  2437.         return fDssiDescriptor;

  2438.     }

  2439. 

  2440. #ifdef HAVE_LIBLO

  2441.     uintptr_t getUiBridgeProcessId() const noexcept override

  2442.     {

  2443.         return fThreadUI.getProcessPID();

  2444.     }

  2445. 

  2446.     const void* getExtraStuff() const noexcept override

  2447.     {

  2448.         return fUiFilename;

  2449.     }

  2450. #endif

  2451. 

  2452.     // -------------------------------------------------------------------

  2453. 

  2454.     bool init(const char* const filename, const char* const name, const char* const label)

  2455.     {

  2456.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2457. 

  2458.         // ---------------------------------------------------------------

  2459.         // first checks

  2460. 

  2461.         if (pData->client != nullptr)

  2462.         {

  2463.             pData->engine->setLastError("Plugin client is already registered");

  2464.             return false;

  2465.         }

  2466. 

  2467.         if (filename == nullptr || filename[0] == '\0')

  2468.         {

  2469.             pData->engine->setLastError("null filename");

  2470.             return false;

  2471.         }

  2472. 

  2473.         if (label == nullptr || label[0] == '\0')

  2474.         {

  2475.             pData->engine->setLastError("null label");

  2476.             return false;

  2477.         }

  2478. 

  2479.         // ---------------------------------------------------------------

  2480.         // open DLL

  2481. 

  2482.         if (! pData->libOpen(filename))

  2483.         {

  2484.             pData->engine->setLastError(pData->libError(filename));

  2485.             return false;

  2486.         }

  2487. 

  2488.         // ---------------------------------------------------------------

  2489.         // get DLL main entry

  2490. 

  2491.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2492. 

  2493.         if (descFn == nullptr)

  2494.         {

  2495.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2496.             return false;

  2497.         }

  2498. 

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

  2500.         // get descriptor that matches label

  2501. 

  2502.         ulong i = 0;

  2503. 

  2504.         for (;;)

  2505.         {

  2506.             try {

  2507.                 fDssiDescriptor = descFn(i++);

  2508.             }

  2509.             catch(...) {

  2510.                 carla_stderr2("Caught exception when trying to get LADSPA descriptor");

  2511.                 fDescriptor     = nullptr;

  2512.                 fDssiDescriptor = nullptr;

  2513.                 break;

  2514.             }

  2515. 

  2516.             if (fDssiDescriptor == nullptr)

  2517.                 break;

  2518. 

  2519.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2520. 

  2521.             if (fDescriptor == nullptr)

  2522.             {

  2523.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2524.                 fDssiDescriptor = nullptr;

  2525.                 break;

  2526.             }

  2527.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2528.             {

  2529.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2530.                 fDescriptor     = nullptr;

  2531.                 fDssiDescriptor = nullptr;

  2532.                 break;

  2533.             }

  2534.             if (fDescriptor->run == nullptr)

  2535.             {

  2536.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2537.                 fDescriptor     = nullptr;

  2538.                 fDssiDescriptor = nullptr;

  2539.                 break;

  2540.             }

  2541. 

  2542.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2543.                 break;

  2544.         }

  2545. 

  2546.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2547.         {

  2548.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2549.             return false;

  2550.         }

  2551. 

  2552.         // ---------------------------------------------------------------

  2553.         // check if uses global instance

  2554. 

  2555.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2556.         {

  2557.             if (! addUniqueMultiSynth(fDescriptor->Label))

  2558.             {

  2559.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  2560.                 return false;

  2561.             }

  2562.         }

  2563. 

  2564.         // ---------------------------------------------------------------

  2565.         // get info

  2566. 

  2567.         if (name != nullptr && name[0] != '\0')

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

  2569.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2570.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2571.         else

  2572.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2573. 

  2574.         pData->filename = carla_strdup(filename);

  2575. 

  2576.         // ---------------------------------------------------------------

  2577.         // register client

  2578. 

  2579.         pData->client = pData->engine->addClient(this);

  2580. 

  2581.         if (pData->client == nullptr || ! pData->client->isOk())

  2582.         {

  2583.             pData->engine->setLastError("Failed to register plugin client");

  2584.             return false;

  2585.         }

  2586. 

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

  2588.         // initialize plugin

  2589. 

  2590.         try {

  2591.             fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate());

  2592.         } CARLA_SAFE_EXCEPTION("DSSI instantiate");

  2593. 

  2594.         if (fHandle == nullptr)

  2595.         {

  2596.             pData->engine->setLastError("Plugin failed to initialize");

  2597.             return false;

  2598.         }

  2599. 

  2600.         // ---------------------------------------------------------------

  2601.         // check for custom data extension

  2602. 

  2603.         if (fDssiDescriptor->configure != nullptr)

  2604.         {

  2605.             if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2606.             {

  2607.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  2608.                     fUsesCustomData = true;

  2609. 

  2610.                 std::free(error);

  2611.             }

  2612.         }

  2613. 

  2614. #ifdef HAVE_LIBLO

  2615.         // ---------------------------------------------------------------

  2616.         // gui stuff

  2617. 

  2618.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2619.         {

  2620.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2621.             fUiFilename = guiFilename;

  2622.         }

  2623. #endif

  2624. 

  2625.         // ---------------------------------------------------------------

  2626.         // set default options

  2627. 

  2628. #ifdef __USE_GNU

  2629.         const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr);

  2630. #else

  2631.         const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr);

  2632. #endif

  2633. 

  2634.         pData->options = 0x0;

  2635. 

  2636.         if (fLatencyIndex >= 0 || isDssiVst)

  2637.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2638. 

  2639.         if (pData->engine->getOptions().forceStereo)

  2640.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2641. 

  2642.         if (fUsesCustomData)

  2643.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2644. 

  2645.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2646.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2647. 

  2648.         if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  2649.         {

  2650.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2651.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2652.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2653.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2654. 

  2655.             if (fDssiDescriptor->run_synth == nullptr)

  2656.                 carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!");

  2657.         }

  2658. 

  2659.         return true;

  2660.     }

  2661. 

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

  2663. 

  2664. private:

  2665.     LADSPA_Handle fHandle;

  2666.     LADSPA_Handle fHandle2;

  2667.     const LADSPA_Descriptor* fDescriptor;

  2668.     const DSSI_Descriptor*   fDssiDescriptor;

  2669. 

  2670.     bool fUsesCustomData;

  2671. #ifdef HAVE_LIBLO

  2672.     const char* fUiFilename;

  2673. #endif

  2674. 

  2675.     float** fAudioInBuffers;

  2676.     float** fAudioOutBuffers;

  2677.     float*  fParamBuffers;

  2678. 

  2679.     bool    fLatencyChanged;

  2680.     int32_t fLatencyIndex; // -1 if invalid

  2681. 

  2682.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2683. 

  2684. #ifdef HAVE_LIBLO

  2685.     CarlaOscData      fOscData;

  2686.     CarlaThreadDSSIUI fThreadUI;

  2687. #endif

  2688. 

  2689.     // -------------------------------------------------------------------

  2690. 

  2691.     uint32_t getSafePortCount() const noexcept

  2692.     {

  2693.         if (fDescriptor->PortCount == 0)

  2694.             return 0;

  2695. 

  2696.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2697.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2698.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2699. 

  2700.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2701.     }

  2702. 

  2703.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2704.     {

  2705.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2706.             return true;

  2707.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2708.             return true;

  2709.         return false;

  2710.     }

  2711. 

  2712.     bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept

  2713.     {

  2714.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2715. 

  2716.         if (sepBracketStart == nullptr)

  2717.             return false;

  2718. 

  2719.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2720. 

  2721.         if (sepBracketEnd == nullptr)

  2722.             return false;

  2723. 

  2724.         const size_t unitSize(static_cast<size_t>(sepBracketEnd-sepBracketStart-2));

  2725. 

  2726.         if (unitSize > 7) // very unlikely to have such big unit

  2727.             return false;

  2728. 

  2729.         const size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2730. 

  2731.         // just in case

  2732.         if (sepIndex > STR_MAX)

  2733.             return false;

  2734. 

  2735.         if (wantName)

  2736.         {

  2737.             std::strncpy(strBuf, paramName, sepIndex);

  2738.             strBuf[sepIndex] = '\0';

  2739.         }

  2740.         else

  2741.         {

  2742.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2743.             strBuf[unitSize] = '\0';

  2744.         }

  2745. 

  2746.         return true;

  2747.     }

  2748. 

  2749.     // -------------------------------------------------------------------

  2750. 

  2751.     static LinkedList<const char*> sMultiSynthList;

  2752. 

  2753.     static bool addUniqueMultiSynth(const char* const label) noexcept

  2754.     {

  2755.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false);

  2756. 

  2757.         const char* dlabel = nullptr;

  2758. 

  2759.         try {

  2760.             dlabel = carla_strdup(label);

  2761.         } catch(...) { return false; }

  2762. 

  2763.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2764.         {

  2765.             const char* const itLabel(it.getValue());

  2766. 

  2767.             if (std::strcmp(dlabel, itLabel) == 0)

  2768.             {

  2769.                 delete[] dlabel;

  2770.                 return false;

  2771.             }

  2772.         }

  2773. 

  2774.         return sMultiSynthList.append(dlabel);

  2775.     }

  2776. 

  2777.     static void removeUniqueMultiSynth(const char* const label) noexcept

  2778.     {

  2779.         CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',);

  2780. 

  2781.         for (LinkedList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2782.         {

  2783.             const char* const itLabel(it.getValue());

  2784. 

  2785.             if (std::strcmp(label, itLabel) == 0)

  2786.             {

  2787.                 sMultiSynthList.remove(it);

  2788.                 delete[] itLabel;

  2789.                 break;

  2790.             }

  2791.         }

  2792.     }

  2793. 

  2794.     // -------------------------------------------------------------------

  2795. 

  2796.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2797. };

  2798. 

  2799. LinkedList<const char*> CarlaPluginDSSI::sMultiSynthList;

  2800. 

  2801. // -------------------------------------------------------------------------------------------------------------------

  2802. 

  2803. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2804. {

  2805.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId);

  2806. 

  2807.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2808. 

  2809.     if (! plugin->init(init.filename, init.name, init.label))

  2810.     {

  2811.         delete plugin;

  2812.         return nullptr;

  2813.     }

  2814. 

  2815.     plugin->reload();

  2816. 

  2817.     bool canRun = true;

  2818. 

  2819.     if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  2820.     {

  2821.         if (! plugin->canRunInRack())

  2822.         {

  2823.             init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2824.             canRun = false;

  2825.         }

  2826.         else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0)

  2827.         {

  2828.             init.engine->setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!");

  2829.             canRun = false;

  2830.         }

  2831.     }

  2832.     else if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_PATCHBAY && (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0))

  2833.     {

  2834.         init.engine->setLastError("CV ports in patchbay mode is still TODO");

  2835.         canRun = false;

  2836.     }

  2837. 

  2838.     if (! canRun)

  2839.     {

  2840.         delete plugin;

  2841.         return nullptr;

  2842.     }

  2843. 

  2844.     return plugin;

  2845. }

  2846. 

  2847. // -------------------------------------------------------------------------------------------------------------------

  2848. 

  2849. CARLA_BACKEND_END_NAMESPACE