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

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2015 Filipe Coelho <falktx@falktx.com>

  4.  *

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

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

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

  8.  * the License, or any later version.

  9.  *

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

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

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

  13.  * GNU General Public License for more details.

  14.  *

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

  16.  */

  17. 

  18. #include "CarlaPluginInternal.hpp"

  19. #include "CarlaEngineUtils.hpp"

  20. 

  21. #include "CarlaDssiUtils.hpp"

  22. #include "CarlaMathUtils.hpp"

  23. 

  24. #ifdef HAVE_LIBLO

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. using juce::ChildProcess;

  31. using juce::ScopedPointer;

  32. using juce::String;

  33. using juce::StringArray;

  34. 

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

  36.     /* check argument count */                                                                                                  \

  37.     if (argc != argcToCompare)                                                                                                  \

  38.     {                                                                                                                           \

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

  40.         return;                                                                                                                 \

  41.     }                                                                                                                           \

  42.     if (argc > 0)                                                                                                               \

  43.     {                                                                                                                           \

  44.         /* check for nullness */                                                                                                \

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

  46.         {                                                                                                                       \

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

  48.             return;                                                                                                             \

  49.         }                                                                                                                       \

  50.         /* check argument types */                                                                                              \

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

  52.         {                                                                                                                       \

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

  54.             return;                                                                                                             \

  55.         }                                                                                                                       \

  56.     }

  57. 

  58. CARLA_BACKEND_START_NAMESPACE

  59. 

  60. // -------------------------------------------------------------------

  61. // Fallback data

  62. 

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

  64. 

  65. #ifdef HAVE_LIBLO

  66. // -------------------------------------------------------------------

  67. 

  68. class CarlaThreadDSSIUI : public CarlaThread

  69. {

  70. public:

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

  72.         : CarlaThread("CarlaThreadDSSIUI"),

  73.           kEngine(engine),

  74.           kPlugin(plugin),

  75.           fBinary(),

  76.           fLabel(),

  77.           fOscData(oscData),

  78.           fProcess() {}

  79. 

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

  81.     {

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

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

  84.         CARLA_SAFE_ASSERT(! isThreadRunning());

  85. 

  86.         fBinary = binary;

  87.         fLabel  = label;

  88. 

  89.         if (fLabel.isEmpty())

  90.             fLabel = "\"\"";

  91.     }

  92. 

  93.     uintptr_t getProcessId() const noexcept

  94.     {

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

  96. 

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

  98.     }

  99. 

  100.     void run()

  101.     {

  102.         if (fProcess == nullptr)

  103.         {

  104.             fProcess = new ChildProcess();

  105.         }

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

  107.         {

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

  109. 

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

  111.             fProcess->kill();

  112.             fProcess = nullptr;

  113.             return;

  114.         }

  115. 

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

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

  118. 

  119.         if (name.isEmpty())

  120.             name = "(none)";

  121. 

  122.         if (filename.isEmpty())

  123.             filename = "\"\"";

  124. 

  125.         StringArray arguments;

  126. 

  127.         // binary

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

  129. 

  130.         // osc-url

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

  132. 

  133.         // filename

  134.         arguments.add(filename);

  135. 

  136.         // label

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

  138. 

  139.         // ui-title

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

  141. 

  142.         bool started;

  143. 

  144.         {

  145. #ifdef CARLA_OS_LINUX

  146.             /*

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

  148.              * If not, unset LD_PRELOAD.

  149.              */

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

  151. 

  152.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  153.             char winIdStr[STR_MAX+1];

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

  155. 

  156.             // for LD_PRELOAD

  157.             CarlaString ldPreloadValue;

  158. 

  159.             if (winId != 0)

  160.             {

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

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

  163.                                + CARLA_OS_SEP_STR "libcarla_interposer-x11.so");

  164.             }

  165.             else

  166.             {

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

  168.             }

  169. 

  170.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  173. #endif // CARLA_OS_LINUX

  174. 

  175.             // start the DSSI UI application

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

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

  178.         }

  179. 

  180.         if (! started)

  181.         {

  182.             carla_stdout("failed!");

  183.             fProcess = nullptr;

  184.             return;

  185.         }

  186. 

  187.         if (waitForOscGuiShow())

  188.         {

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

  190.                 carla_sleep(1);

  191. 

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

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

  194.             {

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

  196. 

  197.                 if (fProcess->isRunning())

  198.                 {

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

  200.                     fProcess->kill();

  201.                 }

  202.                 else

  203.                 {

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

  205.                 }

  206.             }

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

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

  209.             else

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

  211. 

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

  213.         }

  214.         else

  215.         {

  216.             fProcess->kill();

  217. 

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

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

  220.         }

  221. 

  222.         carla_stdout("DSSI UI finished");

  223.         fProcess = nullptr;

  224.     }

  225. 

  226. private:

  227.     CarlaEngine* const kEngine;

  228.     CarlaPlugin* const kPlugin;

  229. 

  230.     CarlaString fBinary;

  231.     CarlaString fLabel;

  232. 

  233.     const CarlaOscData&         fOscData;

  234.     ScopedPointer<ChildProcess> fProcess;

  235. 

  236.     bool waitForOscGuiShow()

  237.     {

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

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

  240. 

  241.         // wait for UI 'update' call

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

  243.         {

  244.             if (fOscData.target != nullptr)

  245.             {

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

  247.                 osc_send_show(fOscData);

  248.                 return true;

  249.             }

  250. 

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

  252.                 carla_msleep(100);

  253.             else

  254.                 return false;

  255.         }

  256. 

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

  258.         return false;

  259.     }

  260. 

  261.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  262. };

  263. #endif

  264. 

  265. // -----------------------------------------------------

  266. 

  267. class CarlaPluginDSSI : public CarlaPlugin

  268. {

  269. public:

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

  271.         : CarlaPlugin(engine, id),

  272.           fHandles(),

  273.           fDescriptor(nullptr),

  274.           fDssiDescriptor(nullptr),

  275.           fAudioInBuffers(nullptr),

  276.           fAudioOutBuffers(nullptr),

  277.           fExtraStereoBuffer(),

  278.           fParamBuffers(nullptr),

  279.           fLatencyIndex(-1),

  280.           fForcedStereoIn(false),

  281.           fForcedStereoOut(false),

  282.           fIsDssiVst(false),

  283.           fUsesCustomData(false)

  284. #ifdef HAVE_LIBLO

  285.         , fOscData(),

  286.           fThreadUI(engine, this, fOscData),

  287.           fUiFilename(nullptr)

  288. #endif

  289.     {

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

  291. 

  292.         carla_zeroPointers(fExtraStereoBuffer, 2);

  293.     }

  294. 

  295.     ~CarlaPluginDSSI() noexcept override

  296.     {

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

  298. 

  299. #ifdef HAVE_LIBLO

  300.         // close UI

  301.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  302.         {

  303.             showCustomUI(false);

  304. 

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

  306.         }

  307. #endif

  308. 

  309.         pData->singleMutex.lock();

  310.         pData->masterMutex.lock();

  311. 

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

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

  314. 

  315.         if (pData->active)

  316.         {

  317.             deactivate();

  318.             pData->active = false;

  319.         }

  320. 

  321.         if (fDescriptor != nullptr)

  322.         {

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

  324.             {

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

  326.                 {

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

  328.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  329. 

  330.                     try {

  331.                         fDescriptor->cleanup(handle);

  332.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  333.                 }

  334.             }

  335. 

  336.             fHandles.clear();

  337.             fDescriptor = nullptr;

  338.             fDssiDescriptor = nullptr;

  339.         }

  340. 

  341. #ifdef HAVE_LIBLO

  342.         if (fUiFilename != nullptr)

  343.         {

  344.             delete[] fUiFilename;

  345.             fUiFilename = nullptr;

  346.         }

  347. #endif

  348. 

  349.         clearBuffers();

  350.     }

  351. 

  352.     // -------------------------------------------------------------------

  353.     // Information (base)

  354. 

  355.     PluginType getType() const noexcept override

  356.     {

  357.         return PLUGIN_DSSI;

  358.     }

  359. 

  360.     PluginCategory getCategory() const noexcept override

  361.     {

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

  363. 

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

  365.             return PLUGIN_CATEGORY_SYNTH;

  366. 

  367.         return CarlaPlugin::getCategory();

  368.     }

  369. 

  370.     int64_t getUniqueId() const noexcept override

  371.     {

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

  373. 

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

  375.     }

  376. 

  377.     // -------------------------------------------------------------------

  378.     // Information (count)

  379. 

  380.     // nothing

  381. 

  382.     // -------------------------------------------------------------------

  383.     // Information (current data)

  384. 

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

  386.     {

  387.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  393. 

  394.         *dataPtr = nullptr;

  395. 

  396.         int ret = 0;

  397.         ulong dataSize = 0;

  398. 

  399.         try {

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

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

  402. 

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

  404.     }

  405. 

  406.     // -------------------------------------------------------------------

  407.     // Information (per-plugin data)

  408. 

  409.     uint getOptionsAvailable() const noexcept override

  410.     {

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

  412. 

  413.         uint options = 0x0;

  414. 

  415.         if (! fIsDssiVst)

  416.         {

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

  418.             if (fLatencyIndex == -1)

  419.                 options |= PLUGIN_OPTION_FIXED_BUFFERS;

  420. 

  421.             // can't disable forced stereo if in rack mode

  422.             if (pData->engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK)

  423.                 pass();

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

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

  426.                 options |= PLUGIN_OPTION_FORCE_STEREO;

  427.         }

  428. 

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

  430.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  431. 

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

  433.         {

  434.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  435.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  436.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  437.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  438.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  439.         }

  440. 

  441.         if (fUsesCustomData)

  442.             options |= PLUGIN_OPTION_USE_CHUNKS;

  443. 

  444.         return options;

  445.     }

  446. 

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

  448.     {

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

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

  451. 

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

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

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

  455. 

  456.         // not output, should be fine

  457.         return fParamBuffers[parameterId];

  458.     }

  459. 

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

  461.     {

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

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

  464. 

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

  466.     }

  467. 

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

  469.     {

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

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

  472. 

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

  474.     }

  475. 

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

  477.     {

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

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

  480. 

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

  482.     }

  483. 

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

  485.     {

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

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

  488. 

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

  490.     }

  491. 

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

  493.     {

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

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

  496. 

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

  498. 

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

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

  501. 

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

  503.             return;

  504. 

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

  506.     }

  507. 

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

  509.     {

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

  511. 

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

  513. 

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

  515. 

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

  517.             return;

  518. 

  519.         nullStrBuf(strBuf);

  520.     }

  521. 

  522.     // -------------------------------------------------------------------

  523.     // Set data (state)

  524. 

  525.     // nothing

  526. 

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

  528.     // Set data (internal stuff)

  529. 

  530.     void setId(const uint newId) noexcept override

  531.     {

  532.         CarlaPlugin::setId(newId);

  533. 

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

  535.         // FIXME - must be RT safe

  536.         showCustomUI(false);

  537.     }

  538. 

  539.     // -------------------------------------------------------------------

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

  541. 

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

  543.     {

  544.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  546. 

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

  548.         fParamBuffers[parameterId] = fixedValue;

  549. 

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

  551.     }

  552. 

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

  554.     {

  555.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  558.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  560. 

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

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

  563. 

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

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

  566. 

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

  568.         {

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

  570.             {

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

  572.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  573. 

  574.                 try {

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

  576.                 } catch(...) {}

  577.             }

  578.         }

  579. 

  580. #ifdef HAVE_LIBLO

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

  582.             osc_send_configure(fOscData, key, value);

  583. #endif

  584. 

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

  586.         {

  587.             const ScopedSingleProcessLocker spl(this, true);

  588.             reloadPrograms(false);

  589.         }

  590. 

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

  592.     }

  593. 

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

  595.     {

  596.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  598.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  600.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  601.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  602. 

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

  604.         {

  605.             const ScopedSingleProcessLocker spl(this, true);

  606. 

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

  608.             {

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

  610.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  611. 

  612.                 try {

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

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

  615.             }

  616.         }

  617. 

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

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

  620. #else

  621.         const bool sendOsc(false);

  622. #endif

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

  624.     }

  625. 

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

  627.     {

  628.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  631. 

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

  633.         {

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

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

  636. 

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

  638. 

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

  640.             {

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

  642.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  643. 

  644.                 try {

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

  646.                 } catch(...) {}

  647.             }

  648.         }

  649. 

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

  651.     }

  652. 

  653. #ifdef HAVE_LIBLO

  654.     // -------------------------------------------------------------------

  655.     // Set ui stuff

  656. 

  657.     void showCustomUI(const bool yesNo) override

  658.     {

  659.         if (yesNo)

  660.         {

  661.             fOscData.clear();

  662.             fThreadUI.startThread();

  663.         }

  664.         else

  665.         {

  666.             pData->transientTryCounter = 0;

  667. 

  668.             if (fOscData.target != nullptr)

  669.             {

  670.                 osc_send_hide(fOscData);

  671.                 osc_send_quit(fOscData);

  672.                 fOscData.clear();

  673.             }

  674. 

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

  676.         }

  677.     }

  678. #endif

  679. 

  680. #if 0 // TODO

  681.     void idle() override

  682.     {

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

  684.         {

  685.             fLatencyChanged = false;

  686. 

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

  688. 

  689.             if (latency >= 0)

  690.             {

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

  692. 

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

  694.                 {

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

  696. 

  697.                     const ScopedSingleProcessLocker sspl(this, true);

  698. 

  699.                     pData->latency = ulatency;

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

  701. #ifndef BUILD_BRIDGE

  702.                     pData->recreateLatencyBuffers();

  703. #endif

  704.                 }

  705.             }

  706.             else

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

  708.         }

  709. 

  710.         CarlaPlugin::idle();

  711.     }

  712. #endif

  713. 

  714.     // -------------------------------------------------------------------

  715.     // Plugin state

  716. 

  717.     void reload() override

  718.     {

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

  720.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  721.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  724. 

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

  726. 

  727.         // Safely disable plugin for reload

  728.         const ScopedDisabler sd(this);

  729. 

  730.         if (pData->active)

  731.             deactivate();

  732. 

  733.         clearBuffers();

  734. 

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

  736.         const uint32_t portCount(getSafePortCount());

  737. 

  738.         uint32_t aIns, aOuts, mIns, params;

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

  740. 

  741.         bool forcedStereoIn, forcedStereoOut;

  742.         forcedStereoIn = forcedStereoOut = false;

  743. 

  744.         bool needsCtrlIn, needsCtrlOut;

  745.         needsCtrlIn = needsCtrlOut = false;

  746. 

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

  748.         {

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

  750. 

  751.             if (LADSPA_IS_PORT_AUDIO(portType))

  752.             {

  753.                 if (LADSPA_IS_PORT_INPUT(portType))

  754.                     aIns += 1;

  755.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  756.                     aOuts += 1;

  757.             }

  758.             else if (LADSPA_IS_PORT_CONTROL(portType))

  759.                 params += 1;

  760.         }

  761. 

  762.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  763.         {

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

  765.             {

  766.                 if (aIns == 1)

  767.                 {

  768.                     aIns = 2;

  769.                     forcedStereoIn = true;

  770.                 }

  771.                 if (aOuts == 1)

  772.                 {

  773.                     aOuts = 2;

  774.                     forcedStereoOut = true;

  775.                 }

  776.             }

  777.         }

  778. 

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

  780.         {

  781.             mIns = 1;

  782.             needsCtrlIn = true;

  783.         }

  784. 

  785.         if (aIns > 0)

  786.         {

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

  788.             fAudioInBuffers = new float*[aIns];

  789. 

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

  791.                 fAudioInBuffers[i] = nullptr;

  792.         }

  793. 

  794.         if (aOuts > 0)

  795.         {

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

  797.             fAudioOutBuffers = new float*[aOuts];

  798.             needsCtrlIn = true;

  799. 

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

  801.                 fAudioOutBuffers[i] = nullptr;

  802.         }

  803. 

  804.         if (params > 0)

  805.         {

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

  807. 

  808.             fParamBuffers = new float[params];

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

  810.         }

  811. 

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

  813.         CarlaString portName;

  814. 

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

  816.         {

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

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

  819. 

  820.             if (LADSPA_IS_PORT_AUDIO(portType))

  821.             {

  822.                 portName.clear();

  823. 

  824.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  825.                 {

  826.                     portName  = pData->name;

  827.                     portName += ":";

  828.                 }

  829. 

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

  831.                 {

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

  833.                 }

  834.                 else

  835.                 {

  836.                     if (LADSPA_IS_PORT_INPUT(portType))

  837.                     {

  838.                         if (aIns > 1)

  839.                         {

  840.                             portName += "audio-in_";

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

  842.                         }

  843.                         else

  844.                             portName += "audio-in";

  845.                     }

  846.                     else

  847.                     {

  848.                         if (aOuts > 1)

  849.                         {

  850.                             portName += "audio-out_";

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

  852.                         }

  853.                         else

  854.                             portName += "audio-out";

  855.                     }

  856.                 }

  857. 

  858.                 portName.truncate(portNameSize);

  859. 

  860.                 if (LADSPA_IS_PORT_INPUT(portType))

  861.                 {

  862.                     const uint32_t j = iAudioIn++;

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

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

  865. 

  866.                     if (forcedStereoIn)

  867.                     {

  868.                         portName += "_2";

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

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

  871.                     }

  872.                 }

  873.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  874.                 {

  875.                     const uint32_t j = iAudioOut++;

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

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

  878. 

  879.                     if (forcedStereoOut)

  880.                     {

  881.                         portName += "_2";

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

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

  884.                     }

  885.                 }

  886.                 else

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

  888.             }

  889.             else if (LADSPA_IS_PORT_CONTROL(portType))

  890.             {

  891.                 const uint32_t j = iCtrl++;

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

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

  894. 

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

  896. 

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

  898. 

  899.                 // min value

  900.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  901.                     min = portRangeHints.LowerBound;

  902.                 else

  903.                     min = 0.0f;

  904. 

  905.                 // max value

  906.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  907.                     max = portRangeHints.UpperBound;

  908.                 else

  909.                     max = 1.0f;

  910. 

  911.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  912.                 {

  913.                     min *= sampleRate;

  914.                     max *= sampleRate;

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

  916.                 }

  917. 

  918.                 if (min >= max)

  919.                 {

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

  921.                     max = min + 0.1f;

  922.                 }

  923. 

  924.                 // default value

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

  926. 

  927.                 if (def < min)

  928.                     def = min;

  929.                 else if (def > max)

  930.                     def = max;

  931. 

  932.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  933.                 {

  934.                     step = max - min;

  935.                     stepSmall = step;

  936.                     stepLarge = step;

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

  938.                 }

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

  940.                 {

  941.                     step = 1.0f;

  942.                     stepSmall = 1.0f;

  943.                     stepLarge = 10.0f;

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

  945.                 }

  946.                 else

  947.                 {

  948.                     const float range = max - min;

  949.                     step = range/100.0f;

  950.                     stepSmall = range/1000.0f;

  951.                     stepLarge = range/10.0f;

  952.                 }

  953. 

  954.                 if (LADSPA_IS_PORT_INPUT(portType))

  955.                 {

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

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

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

  959.                     needsCtrlIn = true;

  960. 

  961.                     // MIDI CC value

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

  963.                     {

  964.                         int controller = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

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

  966.                         {

  967.                             int16_t cc = DSSI_CC_NUMBER(controller);

  968.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  970.                         }

  971.                     }

  972.                 }

  973.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  974.                 {

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

  976. 

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

  978.                     {

  979.                         min = 0.0f;

  980.                         max = sampleRate;

  981.                         def = 0.0f;

  982.                         step = 1.0f;

  983.                         stepSmall = 1.0f;

  984.                         stepLarge = 1.0f;

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

  986.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  988.                     }

  989.                     else

  990.                     {

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

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

  993.                         needsCtrlOut = true;

  994.                     }

  995.                 }

  996.                 else

  997.                 {

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

  999.                 }

  1000. 

  1001.                 // extra parameter hints

  1002.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1003.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1004. 

  1005.                 pData->param.ranges[j].min = min;

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

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

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

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

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

  1011. 

  1012.                 // Start parameters in their default values

  1013.                 fParamBuffers[j] = def;

  1014. 

  1015.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1016.                 {

  1017.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1018.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1019. 

  1020.                     try {

  1021.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1022.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1023.                 }

  1024.             }

  1025.             else

  1026.             {

  1027.                 // Not Audio or Control

  1028.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1029. 

  1030.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1031.                 {

  1032.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1033.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1034. 

  1035.                     try {

  1036.                         fDescriptor->connect_port(handle, i, nullptr);

  1037.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1038.                 }

  1039.             }

  1040.         }

  1041. 

  1042.         if (needsCtrlIn)

  1043.         {

  1044.             portName.clear();

  1045. 

  1046.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1047.             {

  1048.                 portName  = pData->name;

  1049.                 portName += ":";

  1050.             }

  1051. 

  1052.             portName += "events-in";

  1053.             portName.truncate(portNameSize);

  1054. 

  1055.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1056.         }

  1057. 

  1058.         if (needsCtrlOut)

  1059.         {

  1060.             portName.clear();

  1061. 

  1062.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1063.             {

  1064.                 portName  = pData->name;

  1065.                 portName += ":";

  1066.             }

  1067. 

  1068.             portName += "events-out";

  1069.             portName.truncate(portNameSize);

  1070. 

  1071.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1072.         }

  1073. 

  1074.         if (forcedStereoIn || forcedStereoOut)

  1075.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1076.         else

  1077.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1078. 

  1079.         // plugin hints

  1080.         pData->hints = 0x0;

  1081. 

  1082.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1083.             pData->hints |= PLUGIN_IS_RTSAFE;

  1084. 

  1085. #ifdef HAVE_LIBLO

  1086.         if (fUiFilename != nullptr)

  1087.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1088. #endif

  1089. 

  1090. #ifndef BUILD_BRIDGE

  1091.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1092.             pData->hints |= PLUGIN_CAN_DRYWET;

  1093. 

  1094.         if (aOuts > 0)

  1095.             pData->hints |= PLUGIN_CAN_VOLUME;

  1096. 

  1097.         if (aOuts >= 2 && aOuts % 2 == 0)

  1098.             pData->hints |= PLUGIN_CAN_BALANCE;

  1099. #endif

  1100. 

  1101.         // extra plugin hints

  1102.         pData->extraHints = 0x0;

  1103. 

  1104.         if (mIns > 0)

  1105.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1106. 

  1107.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1108.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1109. 

  1110. #if 0 // TODO

  1111.         // check latency

  1112.         if (fLatencyIndex >= 0)

  1113.         {

  1114.             // we need to pre-run the plugin so it can update its latency control-port

  1115. 

  1116.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1117.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1118. 

  1119.             for (uint32_t j=0; j < aIns; ++j)

  1120.             {

  1121.                 tmpIn[j][0] = 0.0f;

  1122.                 tmpIn[j][1] = 0.0f;

  1123. 

  1124.                 try {

  1125.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1126.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1127.             }

  1128. 

  1129.             for (uint32_t j=0; j < aOuts; ++j)

  1130.             {

  1131.                 tmpOut[j][0] = 0.0f;

  1132.                 tmpOut[j][1] = 0.0f;

  1133. 

  1134.                 try {

  1135.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1136.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1137.             }

  1138. 

  1139.             if (fDescriptor->activate != nullptr)

  1140.             {

  1141.                 try {

  1142.                     fDescriptor->activate(fHandle);

  1143.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1144.             }

  1145. 

  1146.             try {

  1147.                 fDescriptor->run(fHandle, 2);

  1148.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1149. 

  1150.             if (fDescriptor->deactivate != nullptr)

  1151.             {

  1152.                 try {

  1153.                     fDescriptor->deactivate(fHandle);

  1154.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1155.             }

  1156. 

  1157.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1158. 

  1159.             if (latency >= 0)

  1160.             {

  1161.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1162. 

  1163.                 if (pData->latency != ulatency)

  1164.                 {

  1165.                     carla_stdout("latency = %i", latency);

  1166. 

  1167.                     pData->latency = ulatency;

  1168.                     pData->client->setLatency(ulatency);

  1169. #ifndef BUILD_BRIDGE

  1170.                     pData->recreateLatencyBuffers();

  1171. #endif

  1172.                 }

  1173.             }

  1174.             else

  1175.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1176. 

  1177.             fLatencyChanged = false;

  1178.         }

  1179. #endif

  1180. 

  1181.         bufferSizeChanged(pData->engine->getBufferSize());

  1182.         reloadPrograms(true);

  1183. 

  1184.         if (pData->active)

  1185.             activate();

  1186. 

  1187.         carla_debug("CarlaPluginDSSI::reload() - end");

  1188.     }

  1189. 

  1190.     void reloadPrograms(const bool doInit) override

  1191.     {

  1192.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1193. 

  1194.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1195.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1196. 

  1197.         const uint32_t oldCount = pData->midiprog.count;

  1198.         const int32_t  current  = pData->midiprog.current;

  1199. 

  1200.         // Delete old programs

  1201.         pData->midiprog.clear();

  1202. 

  1203.         // Query new programs

  1204.         uint32_t newCount = 0;

  1205.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1206.         {

  1207.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1208.                 ++newCount;

  1209.         }

  1210. 

  1211.         if (newCount > 0)

  1212.         {

  1213.             pData->midiprog.createNew(newCount);

  1214. 

  1215.             // Update data

  1216.             for (uint32_t i=0; i < newCount; ++i)

  1217.             {

  1218.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1219.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1220.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1221. 

  1222.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1223.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1224.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1225.             }

  1226.         }

  1227. 

  1228. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1229.         // Update OSC Names

  1230.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1231.         {

  1232.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1233. 

  1234.             for (uint32_t i=0; i < newCount; ++i)

  1235.                 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);

  1236.         }

  1237. #endif

  1238. 

  1239.         if (doInit)

  1240.         {

  1241.             if (newCount > 0)

  1242.                 setMidiProgram(0, false, false, false);

  1243.         }

  1244.         else

  1245.         {

  1246.             // Check if current program is invalid

  1247.             bool programChanged = false;

  1248. 

  1249.             if (newCount == oldCount+1)

  1250.             {

  1251.                 // one midi program added, probably created by user

  1252.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1253.                 programChanged = true;

  1254.             }

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

  1256.             {

  1257.                 // programs exist now, but not before

  1258.                 pData->midiprog.current = 0;

  1259.                 programChanged = true;

  1260.             }

  1261.             else if (current >= 0 && newCount == 0)

  1262.             {

  1263.                 // programs existed before, but not anymore

  1264.                 pData->midiprog.current = -1;

  1265.                 programChanged = true;

  1266.             }

  1267.             else if (current >= static_cast<int32_t>(newCount))

  1268.             {

  1269.                 // current midi program > count

  1270.                 pData->midiprog.current = 0;

  1271.                 programChanged = true;

  1272.             }

  1273.             else

  1274.             {

  1275.                 // no change

  1276.                 pData->midiprog.current = current;

  1277.             }

  1278. 

  1279.             if (programChanged)

  1280.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1281. 

  1282.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1283.         }

  1284.     }

  1285. 

  1286.     // -------------------------------------------------------------------

  1287.     // Plugin processing

  1288. 

  1289.     void activate() noexcept override

  1290.     {

  1291.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1292. 

  1293.         if (fDescriptor->activate != nullptr)

  1294.         {

  1295.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1296.             {

  1297.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1298.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1299. 

  1300.                 try {

  1301.                     fDescriptor->activate(handle);

  1302.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1303.             }

  1304.         }

  1305.     }

  1306. 

  1307.     void deactivate() noexcept override

  1308.     {

  1309.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1310. 

  1311.         if (fDescriptor->deactivate != nullptr)

  1312.         {

  1313.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1314.             {

  1315.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1316.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1317. 

  1318.                 try {

  1319.                     fDescriptor->deactivate(handle);

  1320.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1321.             }

  1322.         }

  1323.     }

  1324. 

  1325.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1326.     {

  1327.         // --------------------------------------------------------------------------------------------------------

  1328.         // Check if active

  1329. 

  1330.         if (! pData->active)

  1331.         {

  1332.             // disable any output sound

  1333.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1334.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1335.             return;

  1336.         }

  1337. 

  1338.         ulong midiEventCount = 0;

  1339.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1340. 

  1341.         // --------------------------------------------------------------------------------------------------------

  1342.         // Check if needs reset

  1343. 

  1344.         if (pData->needsReset)

  1345.         {

  1346.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1347.             {

  1348.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1349. 

  1350.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1351.                 {

  1352.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1353.                     fMidiEvents[i].data.control.channel = i;

  1354.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1355. 

  1356.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1357.                     fMidiEvents[k+i].data.control.channel = i;

  1358.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1359.                 }

  1360.             }

  1361.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1362.             {

  1363.                 midiEventCount = MAX_MIDI_NOTE;

  1364. 

  1365.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1366.                 {

  1367.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1368.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1369.                     fMidiEvents[i].data.note.note    = i;

  1370.                 }

  1371.             }

  1372. 

  1373. #ifndef BUILD_BRIDGE

  1374. #if 0 // TODO

  1375.             if (pData->latency > 0)

  1376.             {

  1377.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1378.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1379.             }

  1380. #endif

  1381. #endif

  1382. 

  1383.             pData->needsReset = false;

  1384.         }

  1385. 

  1386.         // --------------------------------------------------------------------------------------------------------

  1387.         // Event Input and Processing

  1388. 

  1389.         if (pData->event.portIn != nullptr)

  1390.         {

  1391.             // ----------------------------------------------------------------------------------------------------

  1392.             // MIDI Input (External)

  1393. 

  1394.             if (pData->extNotes.mutex.tryLock())

  1395.             {

  1396.                 ExternalMidiNote note = { 0, 0, 0 };

  1397. 

  1398.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1399.                 {

  1400.                     note = pData->extNotes.data.getFirst(note, true);

  1401.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1402. 

  1403.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1404. 

  1405.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1406.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1407.                     seqEvent.data.note.note     = note.note;

  1408.                     seqEvent.data.note.velocity = note.velo;

  1409.                 }

  1410. 

  1411.                 pData->extNotes.mutex.unlock();

  1412. 

  1413.             } // End of MIDI Input (External)

  1414. 

  1415.             // ----------------------------------------------------------------------------------------------------

  1416.             // Event Input (System)

  1417. 

  1418. #ifndef BUILD_BRIDGE

  1419.             bool       allNotesOffSent  = false;

  1420. #endif

  1421.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1422. 

  1423.             uint32_t startTime  = 0;

  1424.             uint32_t timeOffset = 0;

  1425.             uint32_t nextBankId;

  1426. 

  1427.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1428.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1429.             else

  1430.                 nextBankId = 0;

  1431. 

  1432.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1433.             {

  1434.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1435. 

  1436.                 if (event.time >= frames)

  1437.                     continue;

  1438. 

  1439.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1440. 

  1441.                 if (isSampleAccurate && event.time > timeOffset)

  1442.                 {

  1443.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1444.                     {

  1445.                         startTime  = 0;

  1446.                         timeOffset = event.time;

  1447.                         midiEventCount = 0;

  1448. 

  1449.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1450.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1451.                         else

  1452.                             nextBankId = 0;

  1453.                     }

  1454.                     else

  1455.                         startTime += timeOffset;

  1456.                 }

  1457. 

  1458.                 switch (event.type)

  1459.                 {

  1460.                 case kEngineEventTypeNull:

  1461.                     break;

  1462. 

  1463.                 case kEngineEventTypeControl: {

  1464.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1465. 

  1466.                     switch (ctrlEvent.type)

  1467.                     {

  1468.                     case kEngineControlEventTypeNull:

  1469.                         break;

  1470. 

  1471.                     case kEngineControlEventTypeParameter: {

  1472. #ifndef BUILD_BRIDGE

  1473.                         // Control backend stuff

  1474.                         if (event.channel == pData->ctrlChannel)

  1475.                         {

  1476.                             float value;

  1477. 

  1478.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1479.                             {

  1480.                                 value = ctrlEvent.value;

  1481.                                 setDryWet(value, false, false);

  1482.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1483.                             }

  1484. 

  1485.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1486.                             {

  1487.                                 value = ctrlEvent.value*127.0f/100.0f;

  1488.                                 setVolume(value, false, false);

  1489.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1490.                             }

  1491. 

  1492.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1493.                             {

  1494.                                 float left, right;

  1495.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1496. 

  1497.                                 if (value < 0.0f)

  1498.                                 {

  1499.                                     left  = -1.0f;

  1500.                                     right = (value*2.0f)+1.0f;

  1501.                                 }

  1502.                                 else if (value > 0.0f)

  1503.                                 {

  1504.                                     left  = (value*2.0f)-1.0f;

  1505.                                     right = 1.0f;

  1506.                                 }

  1507.                                 else

  1508.                                 {

  1509.                                     left  = -1.0f;

  1510.                                     right = 1.0f;

  1511.                                 }

  1512. 

  1513.                                 setBalanceLeft(left, false, false);

  1514.                                 setBalanceRight(right, false, false);

  1515.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1516.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1517.                             }

  1518.                         }

  1519. #endif

  1520.                         // Control plugin parameters

  1521.                         uint32_t k;

  1522.                         for (k=0; k < pData->param.count; ++k)

  1523.                         {

  1524.                             if (pData->param.data[k].midiChannel != event.channel)

  1525.                                 continue;

  1526.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1527.                                 continue;

  1528.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1529.                                 continue;

  1530.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1531.                                 continue;

  1532. 

  1533.                             float value;

  1534. 

  1535.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1536.                             {

  1537.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1538.                             }

  1539.                             else

  1540.                             {

  1541.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1542.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1543.                                 else

  1544.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1545. 

  1546.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1547.                                     value = std::rint(value);

  1548.                             }

  1549. 

  1550.                             setParameterValue(k, value, false, false, false);

  1551.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1552.                         }

  1553. 

  1554.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1555.                         {

  1556.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1557.                                 continue;

  1558. 

  1559.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1560. 

  1561.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1562. 

  1563.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1564.                             seqEvent.data.control.channel = event.channel;

  1565.                             seqEvent.data.control.param   = ctrlEvent.param;

  1566.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1567.                         }

  1568. 

  1569.                         break;

  1570.                     } // case kEngineControlEventTypeParameter

  1571. 

  1572.                     case kEngineControlEventTypeMidiBank:

  1573.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1574.                             nextBankId = ctrlEvent.param;

  1575.                         break;

  1576. 

  1577.                     case kEngineControlEventTypeMidiProgram:

  1578.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1579.                         {

  1580.                             const uint32_t nextProgramId = ctrlEvent.param;

  1581. 

  1582.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1583.                             {

  1584.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1585.                                 {

  1586.                                     const int32_t index(static_cast<int32_t>(k));

  1587.                                     setMidiProgram(index, false, false, false);

  1588.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1589.                                     break;

  1590.                                 }

  1591.                             }

  1592.                         }

  1593.                         break;

  1594. 

  1595.                     case kEngineControlEventTypeAllSoundOff:

  1596.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1597.                         {

  1598.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1599.                                 continue;

  1600. 

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

  1602. 

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

  1604. 

  1605.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1608.                         }

  1609.                         break;

  1610. 

  1611.                     case kEngineControlEventTypeAllNotesOff:

  1612.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1613.                         {

  1614. #ifndef BUILD_BRIDGE

  1615.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1616.                             {

  1617.                                 allNotesOffSent = true;

  1618.                                 sendMidiAllNotesOffToCallback();

  1619.                             }

  1620. #endif

  1621. 

  1622.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1623.                                 continue;

  1624. 

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

  1626. 

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

  1628. 

  1629.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1630.                             seqEvent.data.control.channel = event.channel;

  1631.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1632.                         }

  1633.                         break;

  1634.                     } // switch (ctrlEvent.type)

  1635.                     break;

  1636.                 } // case kEngineEventTypeControl

  1637. 

  1638.                 case kEngineEventTypeMidi: {

  1639.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1640.                         continue;

  1641. 

  1642.                     const EngineMidiEvent& midiEvent(event.midi);

  1643. 

  1644.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1645.                         continue;

  1646. 

  1647.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1648. 

  1649.                     // Fix bad note-off (per DSSI spec)

  1650.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1651.                         status = MIDI_STATUS_NOTE_OFF;

  1652. 

  1653.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1654. 

  1655.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1656. 

  1657.                     switch (status)

  1658.                     {

  1659.                     case MIDI_STATUS_NOTE_OFF: {

  1660.                         const uint8_t note = midiEvent.data[1];

  1661. 

  1662.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1663.                         seqEvent.data.note.channel = event.channel;

  1664.                         seqEvent.data.note.note    = note;

  1665. 

  1666.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1667.                         break;

  1668.                     }

  1669. 

  1670.                     case MIDI_STATUS_NOTE_ON: {

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

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

  1673. 

  1674.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

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

  1676.                         seqEvent.data.note.note     = note;

  1677.                         seqEvent.data.note.velocity = velo;

  1678. 

  1679.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1680.                         break;

  1681.                     }

  1682. 

  1683.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1684.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1685.                         {

  1686.                             const uint8_t note     = midiEvent.data[1];

  1687.                             const uint8_t pressure = midiEvent.data[2];

  1688. 

  1689.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

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

  1692.                             seqEvent.data.note.velocity = pressure;

  1693.                         }

  1694.                         break;

  1695. 

  1696.                     case MIDI_STATUS_CONTROL_CHANGE:

  1697.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1698.                         {

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

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

  1701. 

  1702.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

  1704.                             seqEvent.data.control.param   = control;

  1705.                             seqEvent.data.control.value   = value;

  1706.                         }

  1707.                         break;

  1708. 

  1709.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1710.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1711.                         {

  1712.                             const uint8_t pressure = midiEvent.data[1];

  1713. 

  1714.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1715.                             seqEvent.data.control.channel = event.channel;

  1716.                             seqEvent.data.control.value   = pressure;

  1717.                         }

  1718.                         break;

  1719. 

  1720.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1721.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1722.                         {

  1723.                             const uint8_t lsb = midiEvent.data[1];

  1724.                             const uint8_t msb = midiEvent.data[2];

  1725. 

  1726.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1727.                             seqEvent.data.control.channel = event.channel;

  1728.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1729.                         }

  1730.                         break;

  1731. 

  1732.                     default:

  1733.                         --midiEventCount;

  1734.                         break;

  1735.                     } // switch (status)

  1736.                 } break;

  1737.                 } // switch (event.type)

  1738.             }

  1739. 

  1740.             pData->postRtEvents.trySplice();

  1741. 

  1742.             if (frames > timeOffset)

  1743.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1744. 

  1745.         } // End of Event Input and Processing

  1746. 

  1747.         // --------------------------------------------------------------------------------------------------------

  1748.         // Plugin processing (no events)

  1749. 

  1750.         else

  1751.         {

  1752.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1753. 

  1754.         } // End of Plugin processing (no events)

  1755. 

  1756. #ifndef BUILD_BRIDGE

  1757. #if 0 // TODO

  1758.         // --------------------------------------------------------------------------------------------------------

  1759.         // Latency, save values for next callback

  1760. 

  1761.         if (fLatencyIndex != -1)

  1762.         {

  1763.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1764.             {

  1765.                 fLatencyChanged = true;

  1766.             }

  1767.             else if (pData->latency > 0)

  1768.             {

  1769.                 if (pData->latency <= frames)

  1770.                 {

  1771.                     for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1772.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1773.                 }

  1774.                 else

  1775.                 {

  1776.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1777.                     {

  1778.                         for (k=0; k < pData->latency-frames; ++k)

  1779.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1780.                         for (j=0; k < pData->latency; ++j, ++k)

  1781.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1782.                     }

  1783.                 }

  1784.             }

  1785.         }

  1786. #endif

  1787. 

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

  1789.         // Control Output

  1790. 

  1791.         if (pData->event.portOut != nullptr)

  1792.         {

  1793.             uint8_t  channel;

  1794.             uint16_t param;

  1795.             float    value;

  1796. 

  1797.             for (uint32_t k=0; k < pData->param.count; ++k)

  1798.             {

  1799.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1800.                     continue;

  1801. 

  1802.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1803. 

  1804.                 if (pData->param.data[k].midiCC > 0)

  1805.                 {

  1806.                     channel = pData->param.data[k].midiChannel;

  1807.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1808.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1809.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1810.                 }

  1811.             }

  1812.         } // End of Control Output

  1813. #endif

  1814.     }

  1815. 

  1816.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1817.                        const uint32_t timeOffset, const ulong midiEventCount)

  1818.     {

  1819.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1820. 

  1821.         if (pData->audioIn.count > 0)

  1822.         {

  1823.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1824.         }

  1825.         if (pData->audioOut.count > 0)

  1826.         {

  1827.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1828.         }

  1829. 

  1830.         // --------------------------------------------------------------------------------------------------------

  1831.         // Try lock, silence otherwise

  1832. 

  1833.         if (pData->engine->isOffline())

  1834.         {

  1835.             pData->singleMutex.lock();

  1836.         }

  1837.         else if (! pData->singleMutex.tryLock())

  1838.         {

  1839.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1840.             {

  1841.                 for (uint32_t k=0; k < frames; ++k)

  1842.                     audioOut[i][k+timeOffset] = 0.0f;

  1843.             }

  1844. 

  1845.             return false;

  1846.         }

  1847. 

  1848.         const int iframes(static_cast<int>(frames));

  1849. 

  1850.         // --------------------------------------------------------------------------------------------------------

  1851.         // Handle needsReset

  1852. 

  1853.         if (pData->needsReset)

  1854.         {

  1855.             if (pData->latency.frames > 0)

  1856.             {

  1857.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1858.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1859.             }

  1860. 

  1861.             pData->needsReset = false;

  1862.         }

  1863. 

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

  1865.         // Set audio buffers

  1866. 

  1867.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1868.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1869. 

  1870.         if (! customMonoOut)

  1871.         {

  1872.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1873.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1874.         }

  1875. 

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

  1877.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1878. 

  1879.         // --------------------------------------------------------------------------------------------------------

  1880.         // Run plugin

  1881. 

  1882.         uint instn = 0;

  1883.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1884.         {

  1885.             LADSPA_Handle const handle(it.getValue(nullptr));

  1886.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1887. 

  1888.             // ----------------------------------------------------------------------------------------------------

  1889.             // Mixdown for forced stereo

  1890. 

  1891.             if (customMonoOut)

  1892.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1893. 

  1894.             // ----------------------------------------------------------------------------------------------------

  1895.             // Run it

  1896. 

  1897.             if (fDssiDescriptor->run_synth != nullptr)

  1898.             {

  1899.                 try {

  1900.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1901.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1902.             }

  1903.             else

  1904.             {

  1905.                 try {

  1906.                     fDescriptor->run(handle, frames);

  1907.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1908.             }

  1909. 

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

  1911.             // Mixdown for forced stereo

  1912. 

  1913.             if (customMonoOut)

  1914.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1915.             else if (customStereoOut)

  1916.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1917.         }

  1918. 

  1919.         // --------------------------------------------------------------------------------------------------------

  1920.         // Run plugin

  1921. 

  1922. #ifndef BUILD_BRIDGE

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

  1924.         // Post-processing (dry/wet, volume and balance)

  1925. 

  1926.         {

  1927.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1928.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1929.             const bool isMono    = (pData->audioIn.count == 1);

  1930. 

  1931.             bool isPair;

  1932.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1933. 

  1934.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1935.             {

  1936.                 // Dry/Wet

  1937.                 if (doDryWet)

  1938.                 {

  1939.                     for (uint32_t k=0; k < frames; ++k)

  1940.                     {

  1941. #if 0 // TODO

  1942.                         if (k < pData->latency)

  1943.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1944.                         else if (pData->latency < frames)

  1945.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1946.                         else

  1947. #endif

  1948.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1949. 

  1950.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1951.                     }

  1952.                 }

  1953. 

  1954.                 // Balance

  1955.                 if (doBalance)

  1956.                 {

  1957.                     isPair = (i % 2 == 0);

  1958. 

  1959.                     if (isPair)

  1960.                     {

  1961.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1962.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1963.                     }

  1964. 

  1965.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1966.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1967. 

  1968.                     for (uint32_t k=0; k < frames; ++k)

  1969.                     {

  1970.                         if (isPair)

  1971.                         {

  1972.                             // left

  1973.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1974.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1975.                         }

  1976.                         else

  1977.                         {

  1978.                             // right

  1979.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1980.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1981.                         }

  1982.                     }

  1983.                 }

  1984. 

  1985.                 // Volume (and buffer copy)

  1986.                 {

  1987.                     for (uint32_t k=0; k < frames; ++k)

  1988.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1989.                 }

  1990.             }

  1991. 

  1992.         } // End of Post-processing

  1993. 

  1994. #else // BUILD_BRIDGE

  1995.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1996.         {

  1997.             for (uint32_t k=0; k < frames; ++k)

  1998.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1999.         }

  2000. #endif

  2001. 

  2002. #if 0

  2003.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2004.         {

  2005.             for (uint32_t k=0; k < frames; ++k)

  2006.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2007.         }

  2008. #endif

  2009. 

  2010.         // --------------------------------------------------------------------------------------------------------

  2011. 

  2012.         pData->singleMutex.unlock();

  2013.         return true;

  2014.     }

  2015. 

  2016.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2017.     {

  2018.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2019.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2020. 

  2021.         const int iBufferSize(static_cast<int>(newBufferSize));

  2022. 

  2023.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2024.         {

  2025.             if (fAudioInBuffers[i] != nullptr)

  2026.                 delete[] fAudioInBuffers[i];

  2027. 

  2028.             fAudioInBuffers[i] = new float[newBufferSize];

  2029.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2030.         }

  2031. 

  2032.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2033.         {

  2034.             if (fAudioOutBuffers[i] != nullptr)

  2035.                 delete[] fAudioOutBuffers[i];

  2036. 

  2037.             fAudioOutBuffers[i] = new float[newBufferSize];

  2038.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2039.         }

  2040. 

  2041.         if (fExtraStereoBuffer[0] != nullptr)

  2042.         {

  2043.             delete[] fExtraStereoBuffer[0];

  2044.             fExtraStereoBuffer[0] = nullptr;

  2045.         }

  2046. 

  2047.         if (fExtraStereoBuffer[1] != nullptr)

  2048.         {

  2049.             delete[] fExtraStereoBuffer[1];

  2050.             fExtraStereoBuffer[1] = nullptr;

  2051.         }

  2052. 

  2053.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2054.         {

  2055.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2056.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2057.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2058.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2059.         }

  2060. 

  2061.         reconnectAudioPorts();

  2062. 

  2063.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2064.     }

  2065. 

  2066.     void sampleRateChanged(const double newSampleRate) override

  2067.     {

  2068.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2069.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2070. 

  2071.         // TODO - handle UI stuff

  2072. 

  2073.         if (pData->active)

  2074.             deactivate();

  2075. 

  2076.         const std::size_t instanceCount(fHandles.count());

  2077. 

  2078.         if (fDescriptor->cleanup == nullptr)

  2079.         {

  2080.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2081.             {

  2082.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2083.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2084. 

  2085.                 try {

  2086.                     fDescriptor->cleanup(handle);

  2087.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2088.             }

  2089.         }

  2090. 

  2091.         fHandles.clear();

  2092. 

  2093.         for (std::size_t i=0; i<instanceCount; ++i)

  2094.             addInstance();

  2095. 

  2096.         reconnectAudioPorts();

  2097. 

  2098.         if (pData->active)

  2099.             activate();

  2100. 

  2101.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2102.     }

  2103. 

  2104.     void reconnectAudioPorts() const noexcept

  2105.     {

  2106.         if (fForcedStereoIn)

  2107.         {

  2108.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2109.             {

  2110.                 try {

  2111.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2112.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2113.             }

  2114. 

  2115.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2116.             {

  2117.                 try {

  2118.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2119.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2120.             }

  2121.         }

  2122.         else

  2123.         {

  2124.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2125.             {

  2126.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2127.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2128. 

  2129.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2130.                 {

  2131.                     try {

  2132.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2133.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2134.                 }

  2135.             }

  2136.         }

  2137. 

  2138.         if (fForcedStereoOut)

  2139.         {

  2140.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2141.             {

  2142.                 try {

  2143.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2144.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2145.             }

  2146. 

  2147.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2148.             {

  2149.                 try {

  2150.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2151.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2152.             }

  2153.         }

  2154.         else

  2155.         {

  2156.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2157.             {

  2158.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2159.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2160. 

  2161.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2162.                 {

  2163.                     try {

  2164.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2165.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2166.                 }

  2167.             }

  2168.         }

  2169.     }

  2170. 

  2171.     // -------------------------------------------------------------------

  2172.     // Plugin buffers

  2173. 

  2174.     void clearBuffers() noexcept override

  2175.     {

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

  2177. 

  2178.         if (fAudioInBuffers != nullptr)

  2179.         {

  2180.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2181.             {

  2182.                 if (fAudioInBuffers[i] != nullptr)

  2183.                 {

  2184.                     delete[] fAudioInBuffers[i];

  2185.                     fAudioInBuffers[i] = nullptr;

  2186.                 }

  2187.             }

  2188. 

  2189.             delete[] fAudioInBuffers;

  2190.             fAudioInBuffers = nullptr;

  2191.         }

  2192. 

  2193.         if (fAudioOutBuffers != nullptr)

  2194.         {

  2195.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2196.             {

  2197.                 if (fAudioOutBuffers[i] != nullptr)

  2198.                 {

  2199.                     delete[] fAudioOutBuffers[i];

  2200.                     fAudioOutBuffers[i] = nullptr;

  2201.                 }

  2202.             }

  2203. 

  2204.             delete[] fAudioOutBuffers;

  2205.             fAudioOutBuffers = nullptr;

  2206.         }

  2207. 

  2208.         if (fExtraStereoBuffer[0] != nullptr)

  2209.         {

  2210.             delete[] fExtraStereoBuffer[0];

  2211.             fExtraStereoBuffer[0] = nullptr;

  2212.         }

  2213. 

  2214.         if (fExtraStereoBuffer[1] != nullptr)

  2215.         {

  2216.             delete[] fExtraStereoBuffer[1];

  2217.             fExtraStereoBuffer[1] = nullptr;

  2218.         }

  2219. 

  2220.         if (fParamBuffers != nullptr)

  2221.         {

  2222.             delete[] fParamBuffers;

  2223.             fParamBuffers = nullptr;

  2224.         }

  2225. 

  2226.         CarlaPlugin::clearBuffers();

  2227. 

  2228.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2229.     }

  2230. 

  2231. #ifdef HAVE_LIBLO

  2232.     // -------------------------------------------------------------------

  2233.     // OSC stuff

  2234. 

  2235.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2236.     {

  2237.         const lo_address source(lo_message_get_source(msg));

  2238.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2239. 

  2240.         // protocol for DSSI UIs *must* be UDP

  2241.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2242. 

  2243.         if (fOscData.source == nullptr)

  2244.         {

  2245.             // if no UI is registered yet only "update" message is valid

  2246.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2247.         }

  2248.         else

  2249.         {

  2250.             // make sure message source is the DSSI UI

  2251.             const char* const msghost = lo_address_get_hostname(source);

  2252.             const char* const msgport = lo_address_get_port(source);

  2253. 

  2254.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2255.             const char* const ourport = lo_address_get_port(fOscData.source);

  2256. 

  2257.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2258.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2259.         }

  2260. 

  2261.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2262. 

  2263.         if (std::strcmp(method, "configure") == 0)

  2264.             return handleOscMessageConfigure(argc, argv, types);

  2265.         if (std::strcmp(method, "control") == 0)

  2266.             return handleOscMessageControl(argc, argv, types);

  2267.         if (std::strcmp(method, "program") == 0)

  2268.             return handleOscMessageProgram(argc, argv, types);

  2269.         if (std::strcmp(method, "midi") == 0)

  2270.             return handleOscMessageMIDI(argc, argv, types);

  2271.         if (std::strcmp(method, "update") == 0)

  2272.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2273.         if (std::strcmp(method, "exiting") == 0)

  2274.             return handleOscMessageExiting();

  2275. 

  2276.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2277.     }

  2278. 

  2279.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2280.     {

  2281.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2282.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2283. 

  2284.         const char* const key   = (const char*)&argv[0]->s;

  2285.         const char* const value = (const char*)&argv[1]->s;

  2286. 

  2287.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2288.     }

  2289. 

  2290.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2291.     {

  2292.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2293.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2294. 

  2295.         const int32_t rindex = argv[0]->i;

  2296.         const float   value  = argv[1]->f;

  2297. 

  2298.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2299.     }

  2300. 

  2301.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2302.     {

  2303.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2304.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2305. 

  2306.         const int32_t bank    = argv[0]->i;

  2307.         const int32_t program = argv[1]->i;

  2308. 

  2309.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2310.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2311. 

  2312.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2313.     }

  2314. 

  2315.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2316.     {

  2317.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2318.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2319. 

  2320.         if (getMidiInCount() == 0)

  2321.         {

  2322.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2323.             return;

  2324.         }

  2325. 

  2326.         const uint8_t* const data = argv[0]->m;

  2327.         uint8_t status  = data[1];

  2328.         uint8_t channel = status & 0x0F;

  2329. 

  2330.         // Fix bad note-off

  2331.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2332.             status = MIDI_STATUS_NOTE_OFF;

  2333. 

  2334.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2335.         {

  2336.             const uint8_t note = data[2];

  2337. 

  2338.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2339. 

  2340.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2341.         }

  2342.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2343.         {

  2344.             const uint8_t note = data[2];

  2345.             const uint8_t velo = data[3];

  2346. 

  2347.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2348.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2349. 

  2350.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2351.         }

  2352.     }

  2353. 

  2354.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2355.     {

  2356.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2357.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2358. 

  2359.         const char* const url = (const char*)&argv[0]->s;

  2360. 

  2361.         // FIXME - remove debug prints later

  2362.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2363. 

  2364.         fOscData.clear();

  2365. 

  2366.         const int proto = lo_address_get_protocol(source);

  2367. 

  2368.         {

  2369.             const char* host = lo_address_get_hostname(source);

  2370.             const char* port = lo_address_get_port(source);

  2371.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2372. 

  2373.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2374.         }

  2375. 

  2376.         {

  2377.             char* host = lo_url_get_hostname(url);

  2378.             char* port = lo_url_get_port(url);

  2379.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2380.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2381.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2382. 

  2383.             std::free(host);

  2384.             std::free(port);

  2385.         }

  2386. 

  2387.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2388. 

  2389.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2390.         {

  2391.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2392.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2393. 

  2394.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2395.                 osc_send_configure(fOscData, customData.key, customData.value);

  2396.         }

  2397. 

  2398.         if (pData->prog.current >= 0)

  2399.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2400. 

  2401.         if (pData->midiprog.current >= 0)

  2402.         {

  2403.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2404. 

  2405.             if (getType() == PLUGIN_DSSI)

  2406.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2407.             else

  2408.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2409.         }

  2410. 

  2411.         for (uint32_t i=0; i < pData->param.count; ++i)

  2412.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2413. 

  2414.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2415.             pData->transientTryCounter = 1;

  2416. 

  2417.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2418.     }

  2419. 

  2420.     void handleOscMessageExiting()

  2421.     {

  2422.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2423. 

  2424.         // hide UI

  2425.         showCustomUI(false);

  2426. 

  2427.         // tell frontend

  2428.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2429.     }

  2430. 

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

  2432.     // Post-poned UI Stuff

  2433. 

  2434.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2435.     {

  2436.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2437. 

  2438.         if (fOscData.target == nullptr)

  2439.             return;

  2440. 

  2441.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2442.     }

  2443. 

  2444.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2445.     {

  2446.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2447. 

  2448.         if (fOscData.target == nullptr)

  2449.             return;

  2450. 

  2451.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2452.     }

  2453. 

  2454.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2455.     {

  2456.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2457.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2458.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2459. 

  2460.         if (fOscData.target == nullptr)

  2461.             return;

  2462. 

  2463. #if 0

  2464.         uint8_t midiData[4];

  2465.         midiData[0] = 0;

  2466.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2467.         midiData[2] = note;

  2468.         midiData[3] = velo;

  2469. 

  2470.         osc_send_midi(fOscData, midiData);

  2471. #endif

  2472.     }

  2473. 

  2474.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2475.     {

  2476.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2477.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2478. 

  2479.         if (fOscData.target == nullptr)

  2480.             return;

  2481. 

  2482. #if 0

  2483.         uint8_t midiData[4];

  2484.         midiData[0] = 0;

  2485.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2486.         midiData[2] = note;

  2487.         midiData[3] = 0;

  2488. 

  2489.         osc_send_midi(fOscData, midiData);

  2490. #endif

  2491.     }

  2492. #endif // HAVE_LIBLO

  2493. 

  2494.     // -------------------------------------------------------------------

  2495. 

  2496.     const void* getNativeDescriptor() const noexcept override

  2497.     {

  2498.         return fDssiDescriptor;

  2499.     }

  2500. 

  2501. #ifdef HAVE_LIBLO

  2502.     uintptr_t getUiBridgeProcessId() const noexcept override

  2503.     {

  2504.         return fThreadUI.getProcessId();

  2505.     }

  2506. 

  2507.     const void* getExtraStuff() const noexcept override

  2508.     {

  2509.         return fUiFilename;

  2510.     }

  2511. #endif

  2512. 

  2513.     // -------------------------------------------------------------------

  2514. 

  2515.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2516.     {

  2517.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2518. 

  2519.         // ---------------------------------------------------------------

  2520.         // first checks

  2521. 

  2522.         if (pData->client != nullptr)

  2523.         {

  2524.             pData->engine->setLastError("Plugin client is already registered");

  2525.             return false;

  2526.         }

  2527. 

  2528.         if (filename == nullptr || filename[0] == '\0')

  2529.         {

  2530.             pData->engine->setLastError("null filename");

  2531.             return false;

  2532.         }

  2533. 

  2534.         if (label == nullptr || label[0] == '\0')

  2535.         {

  2536.             pData->engine->setLastError("null label");

  2537.             return false;

  2538.         }

  2539. 

  2540.         // ---------------------------------------------------------------

  2541.         // open DLL

  2542. 

  2543.         if (! pData->libOpen(filename))

  2544.         {

  2545.             pData->engine->setLastError(pData->libError(filename));

  2546.             return false;

  2547.         }

  2548. 

  2549.         // ---------------------------------------------------------------

  2550.         // get DLL main entry

  2551. 

  2552.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2553. 

  2554.         if (descFn == nullptr)

  2555.         {

  2556.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2557.             return false;

  2558.         }

  2559. 

  2560.         // ---------------------------------------------------------------

  2561.         // get descriptor that matches label

  2562. 

  2563.         for (ulong d=0;; ++d)

  2564.         {

  2565.             try {

  2566.                 fDssiDescriptor = descFn(d);

  2567.             }

  2568.             catch(...) {

  2569.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2570.                 fDescriptor     = nullptr;

  2571.                 fDssiDescriptor = nullptr;

  2572.                 break;

  2573.             }

  2574. 

  2575.             if (fDssiDescriptor == nullptr)

  2576.                 break;

  2577. 

  2578.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2579. 

  2580.             if (fDescriptor == nullptr)

  2581.             {

  2582.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2583.                 fDssiDescriptor = nullptr;

  2584.                 break;

  2585.             }

  2586.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2587.             {

  2588.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2589.                 fDescriptor     = nullptr;

  2590.                 fDssiDescriptor = nullptr;

  2591.                 break;

  2592.             }

  2593.             if (fDescriptor->run == nullptr)

  2594.             {

  2595.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2596.                 fDescriptor     = nullptr;

  2597.                 fDssiDescriptor = nullptr;

  2598.                 break;

  2599.             }

  2600. 

  2601.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2602.                 break;

  2603.         }

  2604. 

  2605.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2606.         {

  2607.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2608.             return false;

  2609.         }

  2610. 

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

  2612.         // check if uses global instance

  2613. 

  2614.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2615.         {

  2616.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2617.             return false;

  2618.         }

  2619. 

  2620.         // ---------------------------------------------------------------

  2621.         // get info

  2622. 

  2623.         if (name == nullptr || name[0] == '\0')

  2624.         {

  2625.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2626.                 name = fDescriptor->Name;

  2627.             else

  2628.                 name = fDescriptor->Label;

  2629.         }

  2630. 

  2631.         pData->name = pData->engine->getUniquePluginName(name);

  2632.         pData->filename = carla_strdup(filename);

  2633. 

  2634.         // ---------------------------------------------------------------

  2635.         // register client

  2636. 

  2637.         pData->client = pData->engine->addClient(this);

  2638. 

  2639.         if (pData->client == nullptr || ! pData->client->isOk())

  2640.         {

  2641.             pData->engine->setLastError("Failed to register plugin client");

  2642.             return false;

  2643.         }

  2644. 

  2645.         // ---------------------------------------------------------------

  2646.         // initialize plugin

  2647. 

  2648.         if (! addInstance())

  2649.             return false;

  2650. 

  2651.         // ---------------------------------------------------------------

  2652.         // find latency port index

  2653. 

  2654.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2655.         {

  2656.             const int portType(fDescriptor->PortDescriptors[i]);

  2657. 

  2658.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2659.                 continue;

  2660. 

  2661.             const uint32_t index(iCtrl++);

  2662. 

  2663.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2664.                 continue;

  2665. 

  2666.             const char* const portName(fDescriptor->PortNames[i]);

  2667.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2668. 

  2669.             if (std::strcmp(portName, "latency")  == 0 ||

  2670.                 std::strcmp(portName, "_latency") == 0)

  2671.             {

  2672.                 fLatencyIndex = static_cast<int32_t>(index);

  2673.                 break;

  2674.             }

  2675.         }

  2676. 

  2677.         // ---------------------------------------------------------------

  2678.         // check for custom data extension

  2679. 

  2680.         if (fDssiDescriptor->configure != nullptr)

  2681.         {

  2682.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2683.             {

  2684.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2685.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2686.                     fUsesCustomData = true;

  2687. 

  2688.                 std::free(error);

  2689.             }

  2690.         }

  2691. 

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

  2693.         // check if this is dssi-vst

  2694. 

  2695.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2696. 

  2697. #ifdef HAVE_LIBLO

  2698.         // ---------------------------------------------------------------

  2699.         // check for gui

  2700. 

  2701.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2702.         {

  2703.             fUiFilename = guiFilename;

  2704.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2705.         }

  2706. #endif

  2707. 

  2708.         // ---------------------------------------------------------------

  2709.         // set default options

  2710. 

  2711.         pData->options = 0x0;

  2712. 

  2713.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2714.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2715.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2716.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2717. 

  2718.         /**/ if (pData->engine->getOptions().forceStereo)

  2719.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2720.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2721.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2722. 

  2723.         if (fUsesCustomData)

  2724.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2725. 

  2726.         if (fDssiDescriptor->run_synth != nullptr)

  2727.         {

  2728.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2729.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2730.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2731.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2732. 

  2733.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2734.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2735.         }

  2736. 

  2737.         return true;

  2738.     }

  2739. 

  2740.     // -------------------------------------------------------------------

  2741. 

  2742. private:

  2743.     LinkedList<LADSPA_Handle> fHandles;

  2744.     const LADSPA_Descriptor*  fDescriptor;

  2745.     const DSSI_Descriptor*    fDssiDescriptor;

  2746. 

  2747.     float** fAudioInBuffers;

  2748.     float** fAudioOutBuffers;

  2749.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2750.     float*  fParamBuffers;

  2751. 

  2752.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2753. 

  2754.     int32_t fLatencyIndex; // -1 if invalid

  2755.     bool    fForcedStereoIn;

  2756.     bool    fForcedStereoOut;

  2757.     bool    fIsDssiVst;

  2758.     bool    fUsesCustomData;

  2759. 

  2760. #ifdef HAVE_LIBLO

  2761.     CarlaOscData      fOscData;

  2762.     CarlaThreadDSSIUI fThreadUI;

  2763.     const char*       fUiFilename;

  2764. #endif

  2765. 

  2766.     // -------------------------------------------------------------------

  2767. 

  2768.     bool addInstance()

  2769.     {

  2770.         LADSPA_Handle handle;

  2771. 

  2772.         try {

  2773.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2774.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2775. 

  2776.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2777.         {

  2778.             const int32_t rindex(pData->param.data[i].rindex);

  2779.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2780. 

  2781.             try {

  2782.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2783.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2784.         }

  2785. 

  2786.         if (fHandles.append(handle))

  2787.             return true;

  2788. 

  2789.         try {

  2790.             fDescriptor->cleanup(handle);

  2791.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2792. 

  2793.         pData->engine->setLastError("Out of memory");

  2794.         return false;

  2795.     }

  2796. 

  2797.     uint32_t getSafePortCount() const noexcept

  2798.     {

  2799.         if (fDescriptor->PortCount == 0)

  2800.             return 0;

  2801. 

  2802.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2803.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2804.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2805. 

  2806.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2807.     }

  2808. 

  2809.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2810.     {

  2811.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2812.             return true;

  2813.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2814.             return true;

  2815.         return false;

  2816.     }

  2817. 

  2818.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2819.                                                      const bool wantName, const bool useBracket) noexcept

  2820.     {

  2821.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2822. 

  2823.         if (sepBracketStart == nullptr)

  2824.             return false;

  2825. 

  2826.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2827. 

  2828.         if (sepBracketEnd == nullptr)

  2829.             return false;

  2830. 

  2831.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2832. 

  2833.         if (unitSize > 7) // very unlikely to have such big unit

  2834.             return false;

  2835. 

  2836.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2837. 

  2838.         // just in case

  2839.         if (sepIndex+2 >= STR_MAX)

  2840.             return false;

  2841. 

  2842.         if (wantName)

  2843.         {

  2844.             std::strncpy(strBuf, paramName, sepIndex);

  2845.             strBuf[sepIndex] = '\0';

  2846.         }

  2847.         else

  2848.         {

  2849.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2850.             strBuf[unitSize] = '\0';

  2851.         }

  2852. 

  2853.         return true;

  2854.     }

  2855. 

  2856.     // -------------------------------------------------------------------

  2857. 

  2858.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2859. };

  2860. 

  2861. // -------------------------------------------------------------------------------------------------------------------

  2862. 

  2863. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2864. {

  2865.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2866.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2867. 

  2868.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2869. 

  2870.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2871.     {

  2872.         delete plugin;

  2873.         return nullptr;

  2874.     }

  2875. 

  2876.     return plugin;

  2877. }

  2878. 

  2879. // -------------------------------------------------------------------------------------------------------------------

  2880. 

  2881. CARLA_BACKEND_END_NAMESPACE