falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 43 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
3023 Commits
17 Branches
940MB
Tree: 863a5bdca1
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from '863a5bdca1'
${ noResults }
Carla/source/backend/plugin/CarlaPluginDSSI.cpp

2890 lines
103KB
Raw Blame History 

  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.           leakDetector_CarlaThreadDSSIUI() {}

  80. 

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

  82.     {

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

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

  85.         CARLA_SAFE_ASSERT(! isThreadRunning());

  86. 

  87.         fBinary = binary;

  88.         fLabel  = label;

  89. 

  90.         if (fLabel.isEmpty())

  91.             fLabel = "\"\"";

  92.     }

  93. 

  94.     uintptr_t getProcessPID() const noexcept

  95.     {

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

  97. 

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

  99.     }

  100. 

  101.     void run()

  102.     {

  103.         if (fProcess == nullptr)

  104.         {

  105.             fProcess = new ChildProcess();

  106.         }

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

  108.         {

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

  110. 

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

  112.             fProcess->kill();

  113.             fProcess = nullptr;

  114.             return;

  115.         }

  116. 

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

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

  119. 

  120.         if (name.isEmpty())

  121.             name = "(none)";

  122. 

  123.         if (filename.isEmpty())

  124.             filename = "\"\"";

  125. 

  126.         StringArray arguments;

  127. 

  128.         // binary

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

  130. 

  131.         // osc-url

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

  133. 

  134.         // filename

  135.         arguments.add(filename);

  136. 

  137.         // label

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

  139. 

  140.         // ui-title

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

  142. 

  143.         bool started;

  144. 

  145.         {

  146. #ifdef CARLA_OS_LINUX

  147.             /*

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

  149.              * If not, unset LD_PRELOAD.

  150.              */

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

  152. 

  153.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  154.             char winIdStr[STR_MAX+1];

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

  156. 

  157.             // for LD_PRELOAD

  158.             CarlaString ldPreloadValue;

  159. 

  160.             if (winId != 0)

  161.             {

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

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

  164.             }

  165. 

  166.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  169. #endif // CARLA_OS_LINUX

  170. 

  171.             // start the DSSI UI application

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

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

  174.         }

  175. 

  176.         if (! started)

  177.         {

  178.             carla_stdout("failed!");

  179.             fProcess = nullptr;

  180.             return;

  181.         }

  182. 

  183.         if (waitForOscGuiShow())

  184.         {

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

  186.                 carla_sleep(1);

  187. 

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

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

  190.             {

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

  192. 

  193.                 if (fProcess->isRunning())

  194.                 {

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

  196.                     fProcess->kill();

  197.                 }

  198.                 else

  199.                 {

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

  201.                 }

  202.             }

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

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

  205.             else

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

  207. 

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

  209.         }

  210.         else

  211.         {

  212.             fProcess->kill();

  213. 

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

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

  216.         }

  217. 

  218.         carla_stdout("DSSI UI finished");

  219.         fProcess = nullptr;

  220.     }

  221. 

  222. private:

  223.     CarlaEngine* const kEngine;

  224.     CarlaPlugin* const kPlugin;

  225. 

  226.     CarlaString fBinary;

  227.     CarlaString fLabel;

  228. 

  229.     const CarlaOscData&         fOscData;

  230.     ScopedPointer<ChildProcess> fProcess;

  231. 

  232.     bool waitForOscGuiShow()

  233.     {

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

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

  236. 

  237.         // wait for UI 'update' call

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

  239.         {

  240.             if (fOscData.target != nullptr)

  241.             {

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

  243.                 osc_send_show(fOscData);

  244.                 return true;

  245.             }

  246. 

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

  248.                 carla_msleep(100);

  249.             else

  250.                 return false;

  251.         }

  252. 

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

  254.         return false;

  255.     }

  256. 

  257.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  258. };

  259. #endif

  260. 

  261. // -----------------------------------------------------

  262. 

  263. class CarlaPluginDSSI : public CarlaPlugin

  264. {

  265. public:

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

  267.         : CarlaPlugin(engine, id),

  268.           fHandles(),

  269.           fDescriptor(nullptr),

  270.           fDssiDescriptor(nullptr),

  271.           fAudioInBuffers(nullptr),

  272.           fAudioOutBuffers(nullptr),

  273.           fExtraStereoBuffer(),

  274.           fParamBuffers(nullptr),

  275.           fLatencyIndex(-1),

  276.           fForcedStereoIn(false),

  277.           fForcedStereoOut(false),

  278.           fIsDssiVst(false),

  279.           fUsesCustomData(false),

  280. #ifdef HAVE_LIBLO

  281.           fOscData(),

  282.           fThreadUI(engine, this, fOscData),

  283.           fUiFilename(nullptr),

  284. #endif

  285.           leakDetector_CarlaPluginDSSI()

  286.     {

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

  288. 

  289.         carla_zeroPointers(fExtraStereoBuffer, 2);

  290.     }

  291. 

  292.     ~CarlaPluginDSSI() noexcept override

  293.     {

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

  295. 

  296. #ifdef HAVE_LIBLO

  297.         // close UI

  298.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  299.         {

  300.             showCustomUI(false);

  301. 

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

  303.         }

  304. #endif

  305. 

  306.         pData->singleMutex.lock();

  307.         pData->masterMutex.lock();

  308. 

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

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

  311. 

  312.         if (pData->active)

  313.         {

  314.             deactivate();

  315.             pData->active = false;

  316.         }

  317. 

  318.         if (fDescriptor != nullptr)

  319.         {

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

  321.             {

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

  323.                 {

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

  325.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  326. 

  327.                     try {

  328.                         fDescriptor->cleanup(handle);

  329.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  330.                 }

  331.             }

  332. 

  333.             fHandles.clear();

  334.             fDescriptor = nullptr;

  335.             fDssiDescriptor = nullptr;

  336.         }

  337. 

  338. #ifdef HAVE_LIBLO

  339.         if (fUiFilename != nullptr)

  340.         {

  341.             delete[] fUiFilename;

  342.             fUiFilename = nullptr;

  343.         }

  344. #endif

  345. 

  346.         clearBuffers();

  347.     }

  348. 

  349.     // -------------------------------------------------------------------

  350.     // Information (base)

  351. 

  352.     PluginType getType() const noexcept override

  353.     {

  354.         return PLUGIN_DSSI;

  355.     }

  356. 

  357.     PluginCategory getCategory() const noexcept override

  358.     {

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

  360. 

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

  362.             return PLUGIN_CATEGORY_SYNTH;

  363. 

  364.         return CarlaPlugin::getCategory();

  365.     }

  366. 

  367.     int64_t getUniqueId() const noexcept override

  368.     {

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

  370. 

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

  372.     }

  373. 

  374.     // -------------------------------------------------------------------

  375.     // Information (count)

  376. 

  377.     // nothing

  378. 

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

  380.     // Information (current data)

  381. 

  382. #if 0

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

  384.     {

  385.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

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

  392. 

  393.         *dataPtr = nullptr;

  394. 

  395.         int ret = 0;

  396.         ulong dataSize = 0;

  397. 

  398.         try {

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

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

  401. 

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

  403.     }

  404. #endif

  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

  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. #if 0

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

  555.     {

  556.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

  557.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

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

  560.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  562. 

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

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

  565. 

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

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

  568. 

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

  570.         {

  571.             try {

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

  573.             } catch(...) {}

  574. 

  575.             if (fHandle2 != nullptr)

  576.             {

  577.                 try {

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

  579.                 } catch(...) {}

  580.             }

  581.         }

  582. 

  583. #ifdef HAVE_LIBLO

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

  585.             osc_send_configure(fOscData, key, value);

  586. #endif

  587. 

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

  589.         {

  590.             const ScopedSingleProcessLocker spl(this, true);

  591.             reloadPrograms(false);

  592.         }

  593. 

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

  595.     }

  596. 

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

  598.     {

  599.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  601.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  603.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

  604.         CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,);

  605.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  606.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  607. 

  608.         {

  609.             const ScopedSingleProcessLocker spl(this, true);

  610. 

  611.             try {

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

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

  614.         }

  615. 

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

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

  618. #else

  619.         const bool sendOsc(false);

  620. #endif

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

  622.     }

  623. 

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

  625.     {

  626.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  628.         CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,);

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

  630. 

  631.         if (index >= 0)

  632.         {

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

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

  635. 

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

  637. 

  638.             try {

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

  640.             } catch(...) {}

  641. 

  642.             if (fHandle2 != nullptr)

  643.             {

  644.                 try {

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

  646.                 } catch(...) {}

  647.             }

  648.         }

  649. 

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

  651.     }

  652. #endif

  653. 

  654. #ifdef HAVE_LIBLO

  655.     // -------------------------------------------------------------------

  656.     // Set ui stuff

  657. 

  658.     void showCustomUI(const bool yesNo) override

  659.     {

  660.         if (yesNo)

  661.         {

  662.             fOscData.clear();

  663.             fThreadUI.startThread();

  664.         }

  665.         else

  666.         {

  667.             pData->transientTryCounter = 0;

  668. 

  669.             if (fOscData.target != nullptr)

  670.             {

  671.                 osc_send_hide(fOscData);

  672.                 osc_send_quit(fOscData);

  673.                 fOscData.clear();

  674.             }

  675. 

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

  677.         }

  678.     }

  679. #endif

  680. 

  681. #if 0 // TODO

  682.     void idle() override

  683.     {

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

  685.         {

  686.             fLatencyChanged = false;

  687. 

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

  689. 

  690.             if (latency >= 0)

  691.             {

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

  693. 

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

  695.                 {

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

  697. 

  698.                     const ScopedSingleProcessLocker sspl(this, true);

  699. 

  700.                     pData->latency = ulatency;

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

  702. #ifndef BUILD_BRIDGE

  703.                     pData->recreateLatencyBuffers();

  704. #endif

  705.                 }

  706.             }

  707.             else

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

  709.         }

  710. 

  711.         CarlaPlugin::idle();

  712.     }

  713. #endif

  714. 

  715.     // -------------------------------------------------------------------

  716.     // Plugin state

  717. 

  718.     void reload() override

  719.     {

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

  721.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  722.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  725. 

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

  727. 

  728.         // Safely disable plugin for reload

  729.         const ScopedDisabler sd(this);

  730. 

  731.         if (pData->active)

  732.             deactivate();

  733. 

  734.         clearBuffers();

  735. 

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

  737.         const uint32_t portCount(getSafePortCount());

  738. 

  739.         uint32_t aIns, aOuts, mIns, params;

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

  741. 

  742.         bool forcedStereoIn, forcedStereoOut;

  743.         forcedStereoIn = forcedStereoOut = false;

  744. 

  745.         bool needsCtrlIn, needsCtrlOut;

  746.         needsCtrlIn = needsCtrlOut = false;

  747. 

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

  749.         {

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

  751. 

  752.             if (LADSPA_IS_PORT_AUDIO(portType))

  753.             {

  754.                 if (LADSPA_IS_PORT_INPUT(portType))

  755.                     aIns += 1;

  756.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  757.                     aOuts += 1;

  758.             }

  759.             else if (LADSPA_IS_PORT_CONTROL(portType))

  760.                 params += 1;

  761.         }

  762. 

  763.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  764.         {

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

  766.             {

  767.                 if (aIns == 1)

  768.                 {

  769.                     aIns = 2;

  770.                     forcedStereoIn = true;

  771.                 }

  772.                 if (aOuts == 1)

  773.                 {

  774.                     aOuts = 2;

  775.                     forcedStereoOut = true;

  776.                 }

  777.             }

  778.         }

  779. 

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

  781.         {

  782.             mIns = 1;

  783.             needsCtrlIn = true;

  784.         }

  785. 

  786.         if (aIns > 0)

  787.         {

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

  789.             fAudioInBuffers = new float*[aIns];

  790. 

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

  792.                 fAudioInBuffers[i] = nullptr;

  793.         }

  794. 

  795.         if (aOuts > 0)

  796.         {

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

  798.             fAudioOutBuffers = new float*[aOuts];

  799.             needsCtrlIn = true;

  800. 

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

  802.                 fAudioOutBuffers[i] = nullptr;

  803.         }

  804. 

  805.         if (params > 0)

  806.         {

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

  808. 

  809.             fParamBuffers = new float[params];

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

  811.         }

  812. 

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

  814.         CarlaString portName;

  815. 

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

  817.         {

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

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

  820. 

  821.             if (LADSPA_IS_PORT_AUDIO(portType))

  822.             {

  823.                 portName.clear();

  824. 

  825.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  826.                 {

  827.                     portName  = pData->name;

  828.                     portName += ":";

  829.                 }

  830. 

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

  832.                 {

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

  834.                 }

  835.                 else

  836.                 {

  837.                     if (LADSPA_IS_PORT_INPUT(portType))

  838.                     {

  839.                         if (aIns > 1)

  840.                         {

  841.                             portName += "audio-in_";

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

  843.                         }

  844.                         else

  845.                             portName += "audio-in";

  846.                     }

  847.                     else

  848.                     {

  849.                         if (aOuts > 1)

  850.                         {

  851.                             portName += "audio-out_";

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

  853.                         }

  854.                         else

  855.                             portName += "audio-out";

  856.                     }

  857.                 }

  858. 

  859.                 portName.truncate(portNameSize);

  860. 

  861.                 if (LADSPA_IS_PORT_INPUT(portType))

  862.                 {

  863.                     const uint32_t j = iAudioIn++;

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

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

  866. 

  867.                     if (forcedStereoIn)

  868.                     {

  869.                         portName += "_2";

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

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

  872.                     }

  873.                 }

  874.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  875.                 {

  876.                     const uint32_t j = iAudioOut++;

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

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

  879. 

  880.                     if (forcedStereoOut)

  881.                     {

  882.                         portName += "_2";

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

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

  885.                     }

  886.                 }

  887.                 else

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

  889.             }

  890.             else if (LADSPA_IS_PORT_CONTROL(portType))

  891.             {

  892.                 const uint32_t j = iCtrl++;

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

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

  895. 

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

  897. 

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

  899. 

  900.                 // min value

  901.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  902.                     min = portRangeHints.LowerBound;

  903.                 else

  904.                     min = 0.0f;

  905. 

  906.                 // max value

  907.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  908.                     max = portRangeHints.UpperBound;

  909.                 else

  910.                     max = 1.0f;

  911. 

  912.                 if (min > max)

  913.                 {

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

  915.                     min = max - 0.1f;

  916.                 }

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

  918.                 {

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

  920.                     max = min + 0.1f;

  921.                 }

  922. 

  923.                 // default value

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

  925. 

  926.                 if (def < min)

  927.                     def = min;

  928.                 else if (def > max)

  929.                     def = max;

  930. 

  931.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  932.                 {

  933.                     min *= sampleRate;

  934.                     max *= sampleRate;

  935.                     def *= sampleRate;

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

  937.                 }

  938. 

  939.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  940.                 {

  941.                     step = max - min;

  942.                     stepSmall = step;

  943.                     stepLarge = step;

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

  945.                 }

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

  947.                 {

  948.                     step = 1.0f;

  949.                     stepSmall = 1.0f;

  950.                     stepLarge = 10.0f;

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

  952.                 }

  953.                 else

  954.                 {

  955.                     const float range = max - min;

  956.                     step = range/100.0f;

  957.                     stepSmall = range/1000.0f;

  958.                     stepLarge = range/10.0f;

  959.                 }

  960. 

  961.                 if (LADSPA_IS_PORT_INPUT(portType))

  962.                 {

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

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

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

  966.                     needsCtrlIn = true;

  967. 

  968.                     // MIDI CC value

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

  970.                     {

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

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

  973.                         {

  974.                             int16_t cc = DSSI_CC_NUMBER(controller);

  975.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  977.                         }

  978.                     }

  979.                 }

  980.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  981.                 {

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

  983. 

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

  985.                     {

  986.                         min = 0.0f;

  987.                         max = sampleRate;

  988.                         def = 0.0f;

  989.                         step = 1.0f;

  990.                         stepSmall = 1.0f;

  991.                         stepLarge = 1.0f;

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

  993.                         CARLA_SAFE_ASSERT(fLatencyIndex == -1);

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

  995.                     }

  996.                     else

  997.                     {

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

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

  1000.                         needsCtrlOut = true;

  1001.                     }

  1002.                 }

  1003.                 else

  1004.                 {

  1005.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1006.                 }

  1007. 

  1008.                 // extra parameter hints

  1009.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  1011. 

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

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

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

  1015.                 pData->param.ranges[j].step = step;

  1016.                 pData->param.ranges[j].stepSmall = stepSmall;

  1017.                 pData->param.ranges[j].stepLarge = stepLarge;

  1018. 

  1019.                 // Start parameters in their default values

  1020.                 fParamBuffers[j] = def;

  1021. 

  1022.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1023.                 {

  1024.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1025.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1026. 

  1027.                     try {

  1028.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1029.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1030.                 }

  1031.             }

  1032.             else

  1033.             {

  1034.                 // Not Audio or Control

  1035.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1036. 

  1037.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1038.                 {

  1039.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1040.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1041. 

  1042.                     try {

  1043.                         fDescriptor->connect_port(handle, i, nullptr);

  1044.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1045.                 }

  1046.             }

  1047.         }

  1048. 

  1049.         if (needsCtrlIn)

  1050.         {

  1051.             portName.clear();

  1052. 

  1053.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1054.             {

  1055.                 portName  = pData->name;

  1056.                 portName += ":";

  1057.             }

  1058. 

  1059.             portName += "events-in";

  1060.             portName.truncate(portNameSize);

  1061. 

  1062.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1063.         }

  1064. 

  1065.         if (needsCtrlOut)

  1066.         {

  1067.             portName.clear();

  1068. 

  1069.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1070.             {

  1071.                 portName  = pData->name;

  1072.                 portName += ":";

  1073.             }

  1074. 

  1075.             portName += "events-out";

  1076.             portName.truncate(portNameSize);

  1077. 

  1078.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1079.         }

  1080. 

  1081.         if (forcedStereoIn || forcedStereoOut)

  1082.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1083.         else

  1084.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1085. 

  1086.         // plugin hints

  1087.         pData->hints = 0x0;

  1088. 

  1089.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1090.             pData->hints |= PLUGIN_IS_RTSAFE;

  1091. 

  1092. #ifdef HAVE_LIBLO

  1093.         if (fUiFilename != nullptr)

  1094.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1095. #endif

  1096. 

  1097. #ifndef BUILD_BRIDGE

  1098.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1099.             pData->hints |= PLUGIN_CAN_DRYWET;

  1100. 

  1101.         if (aOuts > 0)

  1102.             pData->hints |= PLUGIN_CAN_VOLUME;

  1103. 

  1104.         if (aOuts >= 2 && aOuts % 2 == 0)

  1105.             pData->hints |= PLUGIN_CAN_BALANCE;

  1106. #endif

  1107. 

  1108.         // extra plugin hints

  1109.         pData->extraHints = 0x0;

  1110. 

  1111.         if (mIns > 0)

  1112.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1113. 

  1114.         if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0))

  1115.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1116. 

  1117. #if 0 // TODO

  1118.         // check latency

  1119.         if (fLatencyIndex >= 0)

  1120.         {

  1121.             // we need to pre-run the plugin so it can update its latency control-port

  1122. 

  1123.             float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1124.             float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1125. 

  1126.             for (uint32_t j=0; j < aIns; ++j)

  1127.             {

  1128.                 tmpIn[j][0] = 0.0f;

  1129.                 tmpIn[j][1] = 0.0f;

  1130. 

  1131.                 try {

  1132.                     fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1133.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input");

  1134.             }

  1135. 

  1136.             for (uint32_t j=0; j < aOuts; ++j)

  1137.             {

  1138.                 tmpOut[j][0] = 0.0f;

  1139.                 tmpOut[j][1] = 0.0f;

  1140. 

  1141.                 try {

  1142.                     fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1143.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output");

  1144.             }

  1145. 

  1146.             if (fDescriptor->activate != nullptr)

  1147.             {

  1148.                 try {

  1149.                     fDescriptor->activate(fHandle);

  1150.                 } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1151.             }

  1152. 

  1153.             try {

  1154.                 fDescriptor->run(fHandle, 2);

  1155.             } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1156. 

  1157.             if (fDescriptor->deactivate != nullptr)

  1158.             {

  1159.                 try {

  1160.                     fDescriptor->deactivate(fHandle);

  1161.                 } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1162.             }

  1163. 

  1164.             const int32_t latency(static_cast<int32_t>(fParamBuffers[fLatencyIndex]));

  1165. 

  1166.             if (latency >= 0)

  1167.             {

  1168.                 const uint32_t ulatency(static_cast<uint32_t>(latency));

  1169. 

  1170.                 if (pData->latency != ulatency)

  1171.                 {

  1172.                     carla_stdout("latency = %i", latency);

  1173. 

  1174.                     pData->latency = ulatency;

  1175.                     pData->client->setLatency(ulatency);

  1176. #ifndef BUILD_BRIDGE

  1177.                     pData->recreateLatencyBuffers();

  1178. #endif

  1179.                 }

  1180.             }

  1181.             else

  1182.                 carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency);

  1183. 

  1184.             fLatencyChanged = false;

  1185.         }

  1186. #endif

  1187. 

  1188.         bufferSizeChanged(pData->engine->getBufferSize());

  1189.         reloadPrograms(true);

  1190. 

  1191.         if (pData->active)

  1192.             activate();

  1193. 

  1194.         carla_debug("CarlaPluginDSSI::reload() - end");

  1195.     }

  1196. 

  1197. #if 0

  1198.     void reloadPrograms(const bool doInit) override

  1199.     {

  1200.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1201.         const uint32_t oldCount = pData->midiprog.count;

  1202.         const int32_t  current  = pData->midiprog.current;

  1203. 

  1204.         // Delete old programs

  1205.         pData->midiprog.clear();

  1206. 

  1207.         // Query new programs

  1208.         uint32_t newCount = 0;

  1209.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1210.         {

  1211.             for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;)

  1212.                 ++newCount;

  1213.         }

  1214. 

  1215.         if (newCount > 0)

  1216.         {

  1217.             pData->midiprog.createNew(newCount);

  1218. 

  1219.             // Update data

  1220.             for (uint32_t i=0; i < newCount; ++i)

  1221.             {

  1222.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i));

  1223.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1224.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1225. 

  1226.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1227.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1228.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1229.             }

  1230.         }

  1231. 

  1232. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1233.         // Update OSC Names

  1234.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1235.         {

  1236.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1237. 

  1238.             for (uint32_t i=0; i < newCount; ++i)

  1239.                 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);

  1240.         }

  1241. #endif

  1242. 

  1243.         if (doInit)

  1244.         {

  1245.             if (newCount > 0)

  1246.                 setMidiProgram(0, false, false, false);

  1247.         }

  1248.         else

  1249.         {

  1250.             // Check if current program is invalid

  1251.             bool programChanged = false;

  1252. 

  1253.             if (newCount == oldCount+1)

  1254.             {

  1255.                 // one midi program added, probably created by user

  1256.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1257.                 programChanged = true;

  1258.             }

  1259.             else if (current < 0 && newCount > 0)

  1260.             {

  1261.                 // programs exist now, but not before

  1262.                 pData->midiprog.current = 0;

  1263.                 programChanged = true;

  1264.             }

  1265.             else if (current >= 0 && newCount == 0)

  1266.             {

  1267.                 // programs existed before, but not anymore

  1268.                 pData->midiprog.current = -1;

  1269.                 programChanged = true;

  1270.             }

  1271.             else if (current >= static_cast<int32_t>(newCount))

  1272.             {

  1273.                 // current midi program > count

  1274.                 pData->midiprog.current = 0;

  1275.                 programChanged = true;

  1276.             }

  1277.             else

  1278.             {

  1279.                 // no change

  1280.                 pData->midiprog.current = current;

  1281.             }

  1282. 

  1283.             if (programChanged)

  1284.                 setMidiProgram(pData->midiprog.current, true, true, true);

  1285. 

  1286.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr);

  1287.         }

  1288.     }

  1289. #endif

  1290. 

  1291.     // -------------------------------------------------------------------

  1292.     // Plugin processing

  1293. 

  1294.     void activate() noexcept override

  1295.     {

  1296.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1297. 

  1298.         if (fDescriptor->activate != nullptr)

  1299.         {

  1300.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1301.             {

  1302.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1303.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1304. 

  1305.                 try {

  1306.                     fDescriptor->activate(handle);

  1307.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1308.             }

  1309.         }

  1310.     }

  1311. 

  1312.     void deactivate() noexcept override

  1313.     {

  1314.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1315. 

  1316.         if (fDescriptor->deactivate != nullptr)

  1317.         {

  1318.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1319.             {

  1320.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1321.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1322. 

  1323.                 try {

  1324.                     fDescriptor->deactivate(handle);

  1325.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1326.             }

  1327.         }

  1328.     }

  1329. 

  1330.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1331.     {

  1332.         // --------------------------------------------------------------------------------------------------------

  1333.         // Check if active

  1334. 

  1335.         if (! pData->active)

  1336.         {

  1337.             // disable any output sound

  1338.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1339.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1340.             return;

  1341.         }

  1342. 

  1343.         ulong midiEventCount = 0;

  1344.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, kPluginMaxMidiEvents);

  1345. 

  1346.         // --------------------------------------------------------------------------------------------------------

  1347.         // Check if needs reset

  1348. 

  1349.         if (pData->needsReset)

  1350.         {

  1351.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1352.             {

  1353.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1354. 

  1355.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1356.                 {

  1357.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1358.                     fMidiEvents[i].data.control.channel = i;

  1359.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1360. 

  1361.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1362.                     fMidiEvents[k+i].data.control.channel = i;

  1363.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1364.                 }

  1365.             }

  1366.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1367.             {

  1368.                 midiEventCount = MAX_MIDI_NOTE;

  1369. 

  1370.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1371.                 {

  1372.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1373.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1374.                     fMidiEvents[i].data.note.note    = i;

  1375.                 }

  1376.             }

  1377. 

  1378. #ifndef BUILD_BRIDGE

  1379. #if 0 // TODO

  1380.             if (pData->latency > 0)

  1381.             {

  1382.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1383.                     FloatVectorOperations::clear(pData->latencyBuffers[i], static_cast<int>(pData->latency));

  1384.             }

  1385. #endif

  1386. #endif

  1387. 

  1388.             pData->needsReset = false;

  1389.         }

  1390. 

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

  1392.         // Event Input and Processing

  1393. 

  1394.         if (pData->event.portIn != nullptr)

  1395.         {

  1396.             // ----------------------------------------------------------------------------------------------------

  1397.             // MIDI Input (External)

  1398. 

  1399.             if (pData->extNotes.mutex.tryLock())

  1400.             {

  1401.                 ExternalMidiNote note = { 0, 0, 0 };

  1402. 

  1403.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1404.                 {

  1405.                     note = pData->extNotes.data.getFirst(note, true);

  1406. 

  1407.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1408. 

  1409.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1410. 

  1411.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1412.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1413.                     seqEvent.data.note.note     = note.note;

  1414.                     seqEvent.data.note.velocity = note.velo;

  1415.                 }

  1416. 

  1417.                 pData->extNotes.mutex.unlock();

  1418. 

  1419.             } // End of MIDI Input (External)

  1420. 

  1421.             // ----------------------------------------------------------------------------------------------------

  1422.             // Event Input (System)

  1423. 

  1424. #ifndef BUILD_BRIDGE

  1425.             bool       allNotesOffSent  = false;

  1426. #endif

  1427.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1428. 

  1429.             uint32_t startTime  = 0;

  1430.             uint32_t timeOffset = 0;

  1431.             uint32_t nextBankId;

  1432. 

  1433.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1434.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1435.             else

  1436.                 nextBankId = 0;

  1437. 

  1438.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1439.             {

  1440.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1441. 

  1442.                 if (event.time >= frames)

  1443.                     continue;

  1444. 

  1445.                 CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset);

  1446. 

  1447.                 if (isSampleAccurate && event.time > timeOffset)

  1448.                 {

  1449.                     if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset, midiEventCount))

  1450.                     {

  1451.                         startTime  = 0;

  1452.                         timeOffset = event.time;

  1453.                         midiEventCount = 0;

  1454. 

  1455.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1456.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1457.                         else

  1458.                             nextBankId = 0;

  1459.                     }

  1460.                     else

  1461.                         startTime += timeOffset;

  1462.                 }

  1463. 

  1464.                 switch (event.type)

  1465.                 {

  1466.                 case kEngineEventTypeNull:

  1467.                     break;

  1468. 

  1469.                 case kEngineEventTypeControl: {

  1470.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1471. 

  1472.                     switch (ctrlEvent.type)

  1473.                     {

  1474.                     case kEngineControlEventTypeNull:

  1475.                         break;

  1476. 

  1477.                     case kEngineControlEventTypeParameter: {

  1478. #ifndef BUILD_BRIDGE

  1479.                         // Control backend stuff

  1480.                         if (event.channel == pData->ctrlChannel)

  1481.                         {

  1482.                             float value;

  1483. 

  1484.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1485.                             {

  1486.                                 value = ctrlEvent.value;

  1487.                                 setDryWet(value, false, false);

  1488.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1489.                                 break;

  1490.                             }

  1491. 

  1492.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1493.                             {

  1494.                                 value = ctrlEvent.value*127.0f/100.0f;

  1495.                                 setVolume(value, false, false);

  1496.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1497.                                 break;

  1498.                             }

  1499. 

  1500.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1501.                             {

  1502.                                 float left, right;

  1503.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1504. 

  1505.                                 if (value < 0.0f)

  1506.                                 {

  1507.                                     left  = -1.0f;

  1508.                                     right = (value*2.0f)+1.0f;

  1509.                                 }

  1510.                                 else if (value > 0.0f)

  1511.                                 {

  1512.                                     left  = (value*2.0f)-1.0f;

  1513.                                     right = 1.0f;

  1514.                                 }

  1515.                                 else

  1516.                                 {

  1517.                                     left  = -1.0f;

  1518.                                     right = 1.0f;

  1519.                                 }

  1520. 

  1521.                                 setBalanceLeft(left, false, false);

  1522.                                 setBalanceRight(right, false, false);

  1523.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1524.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1525.                                 break;

  1526.                             }

  1527.                         }

  1528. #endif

  1529.                         // Control plugin parameters

  1530.                         uint32_t k;

  1531.                         for (k=0; k < pData->param.count; ++k)

  1532.                         {

  1533.                             if (pData->param.data[k].midiChannel != event.channel)

  1534.                                 continue;

  1535.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1536.                                 continue;

  1537.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1538.                                 continue;

  1539.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1540.                                 continue;

  1541. 

  1542.                             float value;

  1543. 

  1544.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1545.                             {

  1546.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1547.                             }

  1548.                             else

  1549.                             {

  1550.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1551. 

  1552.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1553.                                     value = std::rint(value);

  1554.                             }

  1555. 

  1556.                             setParameterValue(k, value, false, false, false);

  1557.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1558.                             break;

  1559.                         }

  1560. 

  1561.                         // check if event is already handled

  1562.                         if (k != pData->param.count)

  1563.                             break;

  1564. 

  1565.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1566.                         {

  1567.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1568.                                 continue;

  1569. 

  1570.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1571. 

  1572.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1573. 

  1574.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1575.                             seqEvent.data.control.channel = event.channel;

  1576.                             seqEvent.data.control.param   = ctrlEvent.param;

  1577.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1578.                         }

  1579.                         break;

  1580.                     } // case kEngineControlEventTypeParameter

  1581. 

  1582.                     case kEngineControlEventTypeMidiBank:

  1583.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1584.                             nextBankId = ctrlEvent.param;

  1585.                         break;

  1586. 

  1587.                     case kEngineControlEventTypeMidiProgram:

  1588.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1589.                         {

  1590.                             const uint32_t nextProgramId = ctrlEvent.param;

  1591. 

  1592.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1593.                             {

  1594.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1595.                                 {

  1596.                                     const int32_t index(static_cast<int32_t>(k));

  1597.                                     setMidiProgram(index, false, false, false);

  1598.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f);

  1599.                                     break;

  1600.                                 }

  1601.                             }

  1602.                         }

  1603.                         break;

  1604. 

  1605.                     case kEngineControlEventTypeAllSoundOff:

  1606.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1607.                         {

  1608.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1609.                                 continue;

  1610. 

  1611.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1612. 

  1613.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1614. 

  1615.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1616.                             seqEvent.data.control.channel = event.channel;

  1617.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1618.                         }

  1619.                         break;

  1620. 

  1621.                     case kEngineControlEventTypeAllNotesOff:

  1622.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1623.                         {

  1624. #ifndef BUILD_BRIDGE

  1625.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1626.                             {

  1627.                                 allNotesOffSent = true;

  1628.                                 sendMidiAllNotesOffToCallback();

  1629.                             }

  1630. #endif

  1631. 

  1632.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1633.                                 continue;

  1634. 

  1635.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1636. 

  1637.                             seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1638. 

  1639.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1640.                             seqEvent.data.control.channel = event.channel;

  1641.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1642.                         }

  1643.                         break;

  1644.                     } // switch (ctrlEvent.type)

  1645.                     break;

  1646.                 } // case kEngineEventTypeControl

  1647. 

  1648.                 case kEngineEventTypeMidi: {

  1649.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1650.                         continue;

  1651. 

  1652.                     const EngineMidiEvent& midiEvent(event.midi);

  1653. 

  1654.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1655.                         continue;

  1656. 

  1657.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1658. 

  1659.                     // Fix bad note-off (per DSSI spec)

  1660.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1661.                         status = MIDI_STATUS_NOTE_OFF;

  1662. 

  1663.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1664. 

  1665.                     seqEvent.time.tick = isSampleAccurate ? startTime : event.time;

  1666. 

  1667.                     switch (status)

  1668.                     {

  1669.                     case MIDI_STATUS_NOTE_OFF: {

  1670.                         const uint8_t note = midiEvent.data[1];

  1671. 

  1672.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1673.                         seqEvent.data.note.channel = event.channel;

  1674.                         seqEvent.data.note.note    = note;

  1675. 

  1676.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0.0f);

  1677.                         break;

  1678.                     }

  1679. 

  1680.                     case MIDI_STATUS_NOTE_ON: {

  1681.                         const uint8_t note = midiEvent.data[1];

  1682.                         const uint8_t velo = midiEvent.data[2];

  1683. 

  1684.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1685.                         seqEvent.data.note.channel  = event.channel;

  1686.                         seqEvent.data.note.note     = note;

  1687.                         seqEvent.data.note.velocity = velo;

  1688. 

  1689.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo);

  1690.                         break;

  1691.                     }

  1692. 

  1693.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1694.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1695.                         {

  1696.                             const uint8_t note     = midiEvent.data[1];

  1697.                             const uint8_t pressure = midiEvent.data[2];

  1698. 

  1699.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

  1700.                             seqEvent.data.note.channel  = event.channel;

  1701.                             seqEvent.data.note.note     = note;

  1702.                             seqEvent.data.note.velocity = pressure;

  1703.                         }

  1704.                         break;

  1705. 

  1706.                     case MIDI_STATUS_CONTROL_CHANGE:

  1707.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1708.                         {

  1709.                             const uint8_t control = midiEvent.data[1];

  1710.                             const uint8_t value   = midiEvent.data[2];

  1711. 

  1712.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1713.                             seqEvent.data.control.channel = event.channel;

  1714.                             seqEvent.data.control.param   = control;

  1715.                             seqEvent.data.control.value   = value;

  1716.                         }

  1717.                         break;

  1718. 

  1719.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1720.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1721.                         {

  1722.                             const uint8_t pressure = midiEvent.data[1];

  1723. 

  1724.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1725.                             seqEvent.data.control.channel = event.channel;

  1726.                             seqEvent.data.control.value   = pressure;

  1727.                         }

  1728.                         break;

  1729. 

  1730.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1731.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1732.                         {

  1733.                             const uint8_t lsb = midiEvent.data[1];

  1734.                             const uint8_t msb = midiEvent.data[2];

  1735. 

  1736.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

  1737.                             seqEvent.data.control.channel = event.channel;

  1738.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1739.                         }

  1740.                         break;

  1741. 

  1742.                     default:

  1743.                         --midiEventCount;

  1744.                         break;

  1745.                     } // switch (status)

  1746.                 } break;

  1747.                 } // switch (event.type)

  1748.             }

  1749. 

  1750.             pData->postRtEvents.trySplice();

  1751. 

  1752.             if (frames > timeOffset)

  1753.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1754. 

  1755.         } // End of Event Input and Processing

  1756. 

  1757.         // --------------------------------------------------------------------------------------------------------

  1758.         // Plugin processing (no events)

  1759. 

  1760.         else

  1761.         {

  1762.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1763. 

  1764.         } // End of Plugin processing (no events)

  1765. 

  1766. #ifndef BUILD_BRIDGE

  1767. #if 0 // TODO

  1768.         // --------------------------------------------------------------------------------------------------------

  1769.         // Latency, save values for next callback

  1770. 

  1771.         if (fLatencyIndex != -1)

  1772.         {

  1773.             if (pData->latency != static_cast<uint32_t>(fParamBuffers[fLatencyIndex]))

  1774.             {

  1775.                 fLatencyChanged = true;

  1776.             }

  1777.             else if (pData->latency > 0)

  1778.             {

  1779.                 if (pData->latency <= frames)

  1780.                 {

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

  1782.                         FloatVectorOperations::copy(pData->latencyBuffers[i], audioIn[i]+(frames-pData->latency), static_cast<int>(pData->latency));

  1783.                 }

  1784.                 else

  1785.                 {

  1786.                     for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i)

  1787.                     {

  1788.                         for (k=0; k < pData->latency-frames; ++k)

  1789.                             pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames];

  1790.                         for (j=0; k < pData->latency; ++j, ++k)

  1791.                             pData->latencyBuffers[i][k] = audioIn[i][j];

  1792.                     }

  1793.                 }

  1794.             }

  1795.         }

  1796. #endif

  1797. 

  1798.         // --------------------------------------------------------------------------------------------------------

  1799.         // Control Output

  1800. 

  1801.         if (pData->event.portOut != nullptr)

  1802.         {

  1803.             uint8_t  channel;

  1804.             uint16_t param;

  1805.             float    value;

  1806. 

  1807.             for (uint32_t k=0; k < pData->param.count; ++k)

  1808.             {

  1809.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1810.                     continue;

  1811. 

  1812.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1813. 

  1814.                 if (pData->param.data[k].midiCC > 0)

  1815.                 {

  1816.                     channel = pData->param.data[k].midiChannel;

  1817.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1818.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1819.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1820.                 }

  1821.             }

  1822.         } // End of Control Output

  1823. #endif

  1824.     }

  1825. 

  1826.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1827.                        const uint32_t timeOffset, const ulong midiEventCount)

  1828.     {

  1829.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1830. 

  1831.         if (pData->audioIn.count > 0)

  1832.         {

  1833.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1834.         }

  1835.         if (pData->audioOut.count > 0)

  1836.         {

  1837.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1838.         }

  1839. 

  1840.         // --------------------------------------------------------------------------------------------------------

  1841.         // Try lock, silence otherwise

  1842. 

  1843.         if (pData->engine->isOffline())

  1844.         {

  1845.             pData->singleMutex.lock();

  1846.         }

  1847.         else if (! pData->singleMutex.tryLock())

  1848.         {

  1849.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1850.             {

  1851.                 for (uint32_t k=0; k < frames; ++k)

  1852.                     audioOut[i][k+timeOffset] = 0.0f;

  1853.             }

  1854. 

  1855.             return false;

  1856.         }

  1857. 

  1858.         const int iframes(static_cast<int>(frames));

  1859. 

  1860.         // --------------------------------------------------------------------------------------------------------

  1861.         // Handle needsReset

  1862. 

  1863.         if (pData->needsReset)

  1864.         {

  1865.             if (pData->latency.frames > 0)

  1866.             {

  1867.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1868.                     FloatVectorOperations::clear(pData->latency.buffers[i], static_cast<int>(pData->latency.frames));

  1869.             }

  1870. 

  1871.             pData->needsReset = false;

  1872.         }

  1873. 

  1874.         // --------------------------------------------------------------------------------------------------------

  1875.         // Set audio buffers

  1876. 

  1877.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1878.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1879. 

  1880.         if (! customMonoOut)

  1881.         {

  1882.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1883.                 FloatVectorOperations::clear(fAudioOutBuffers[i], iframes);

  1884.         }

  1885. 

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

  1887.             FloatVectorOperations::copy(fAudioInBuffers[i], audioIn[i]+timeOffset, iframes);

  1888. 

  1889.         // --------------------------------------------------------------------------------------------------------

  1890.         // Run plugin

  1891. 

  1892.         uint instn = 0;

  1893.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1894.         {

  1895.             LADSPA_Handle const handle(it.getValue(nullptr));

  1896.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1897. 

  1898.             // ----------------------------------------------------------------------------------------------------

  1899.             // Mixdown for forced stereo

  1900. 

  1901.             if (customMonoOut)

  1902.                 FloatVectorOperations::clear(fAudioOutBuffers[instn], iframes);

  1903. 

  1904.             // ----------------------------------------------------------------------------------------------------

  1905.             // Run it

  1906. 

  1907.             if (fDssiDescriptor->run_synth != nullptr)

  1908.             {

  1909.                 try {

  1910.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1911.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1912.             }

  1913.             else

  1914.             {

  1915.                 try {

  1916.                     fDescriptor->run(handle, frames);

  1917.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1918.             }

  1919. 

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

  1921.             // Mixdown for forced stereo

  1922. 

  1923.             if (customMonoOut)

  1924.                 FloatVectorOperations::multiply(fAudioOutBuffers[instn], 0.5f, iframes);

  1925.             else if (customStereoOut)

  1926.                 FloatVectorOperations::copy(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], iframes);

  1927.         }

  1928. 

  1929.         // --------------------------------------------------------------------------------------------------------

  1930.         // Run plugin

  1931. 

  1932. #ifndef BUILD_BRIDGE

  1933.         // --------------------------------------------------------------------------------------------------------

  1934.         // Post-processing (dry/wet, volume and balance)

  1935. 

  1936.         {

  1937.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && ! carla_compareFloats(pData->postProc.dryWet, 1.0f);

  1938.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_compareFloats(pData->postProc.balanceLeft, -1.0f) && carla_compareFloats(pData->postProc.balanceRight, 1.0f));

  1939.             const bool isMono    = (pData->audioIn.count == 1);

  1940. 

  1941.             bool isPair;

  1942.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1943. 

  1944.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1945.             {

  1946.                 // Dry/Wet

  1947.                 if (doDryWet)

  1948.                 {

  1949.                     for (uint32_t k=0; k < frames; ++k)

  1950.                     {

  1951. #if 0 // TODO

  1952.                         if (k < pData->latency)

  1953.                             bufValue = pData->latencyBuffers[isMono ? 0 : i][k];

  1954.                         else if (pData->latency < frames)

  1955.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency];

  1956.                         else

  1957. #endif

  1958.                             bufValue = fAudioInBuffers[isMono ? 0 : i][k];

  1959. 

  1960.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1961.                     }

  1962.                 }

  1963. 

  1964.                 // Balance

  1965.                 if (doBalance)

  1966.                 {

  1967.                     isPair = (i % 2 == 0);

  1968. 

  1969.                     if (isPair)

  1970.                     {

  1971.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1972.                         FloatVectorOperations::copy(oldBufLeft, fAudioOutBuffers[i], static_cast<int>(frames));

  1973.                     }

  1974. 

  1975.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1976.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1977. 

  1978.                     for (uint32_t k=0; k < frames; ++k)

  1979.                     {

  1980.                         if (isPair)

  1981.                         {

  1982.                             // left

  1983.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1984.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1985.                         }

  1986.                         else

  1987.                         {

  1988.                             // right

  1989.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1990.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1991.                         }

  1992.                     }

  1993.                 }

  1994. 

  1995.                 // Volume (and buffer copy)

  1996.                 {

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

  1998.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1999.                 }

  2000.             }

  2001. 

  2002.         } // End of Post-processing

  2003. 

  2004. #else // BUILD_BRIDGE

  2005.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2006.         {

  2007.             for (uint32_t k=0; k < frames; ++k)

  2008.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  2009.         }

  2010. #endif

  2011. 

  2012. #if 0

  2013.         for (uint32_t i=0; i < pData->cvOut.count; ++i)

  2014.         {

  2015.             for (uint32_t k=0; k < frames; ++k)

  2016.                 cvOut[i][k+timeOffset] = fCvOutBuffers[i][k];

  2017.         }

  2018. #endif

  2019. 

  2020.         // --------------------------------------------------------------------------------------------------------

  2021. 

  2022.         pData->singleMutex.unlock();

  2023.         return true;

  2024.     }

  2025. 

  2026.     void bufferSizeChanged(const uint32_t newBufferSize) override

  2027.     {

  2028.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  2029.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  2030. 

  2031.         const int iBufferSize(static_cast<int>(newBufferSize));

  2032. 

  2033.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2034.         {

  2035.             if (fAudioInBuffers[i] != nullptr)

  2036.                 delete[] fAudioInBuffers[i];

  2037. 

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

  2039.             FloatVectorOperations::clear(fAudioInBuffers[i], iBufferSize);

  2040.         }

  2041. 

  2042.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2043.         {

  2044.             if (fAudioOutBuffers[i] != nullptr)

  2045.                 delete[] fAudioOutBuffers[i];

  2046. 

  2047.             fAudioOutBuffers[i] = new float[newBufferSize];

  2048.             FloatVectorOperations::clear(fAudioOutBuffers[i], iBufferSize);

  2049.         }

  2050. 

  2051.         if (fExtraStereoBuffer[0] != nullptr)

  2052.         {

  2053.             delete[] fExtraStereoBuffer[0];

  2054.             fExtraStereoBuffer[0] = nullptr;

  2055.         }

  2056. 

  2057.         if (fExtraStereoBuffer[1] != nullptr)

  2058.         {

  2059.             delete[] fExtraStereoBuffer[1];

  2060.             fExtraStereoBuffer[1] = nullptr;

  2061.         }

  2062. 

  2063.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2064.         {

  2065.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2066.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2067.             FloatVectorOperations::clear(fExtraStereoBuffer[0], iBufferSize);

  2068.             FloatVectorOperations::clear(fExtraStereoBuffer[1], iBufferSize);

  2069.         }

  2070. 

  2071.         reconnectAudioPorts();

  2072. 

  2073.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2074.     }

  2075. 

  2076.     void sampleRateChanged(const double newSampleRate) override

  2077.     {

  2078.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2079.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2080. 

  2081.         // TODO - handle UI stuff

  2082. 

  2083.         if (pData->active)

  2084.             deactivate();

  2085. 

  2086.         const std::size_t instanceCount(fHandles.count());

  2087. 

  2088.         if (fDescriptor->cleanup == nullptr)

  2089.         {

  2090.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2091.             {

  2092.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2093.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2094. 

  2095.                 try {

  2096.                     fDescriptor->cleanup(handle);

  2097.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2098.             }

  2099.         }

  2100. 

  2101.         fHandles.clear();

  2102. 

  2103.         for (std::size_t i=0; i<instanceCount; ++i)

  2104.             addInstance();

  2105. 

  2106.         reconnectAudioPorts();

  2107. 

  2108.         if (pData->active)

  2109.             activate();

  2110. 

  2111.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2112.     }

  2113. 

  2114.     void reconnectAudioPorts() const noexcept

  2115.     {

  2116.         if (fForcedStereoIn)

  2117.         {

  2118.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2119.             {

  2120.                 try {

  2121.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2122.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2123.             }

  2124. 

  2125.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2126.             {

  2127.                 try {

  2128.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2129.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input)");

  2130.             }

  2131.         }

  2132.         else

  2133.         {

  2134.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2135.             {

  2136.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2137.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2138. 

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

  2140.                 {

  2141.                     try {

  2142.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2143.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2144.                 }

  2145.             }

  2146.         }

  2147. 

  2148.         if (fForcedStereoOut)

  2149.         {

  2150.             if (LADSPA_Handle const handle = fHandles.getAt(0, nullptr))

  2151.             {

  2152.                 try {

  2153.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2154.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2155.             }

  2156. 

  2157.             if (LADSPA_Handle const handle = fHandles.getAt(1, nullptr))

  2158.             {

  2159.                 try {

  2160.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2161.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output)");

  2162.             }

  2163.         }

  2164.         else

  2165.         {

  2166.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2167.             {

  2168.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2169.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2170. 

  2171.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2172.                 {

  2173.                     try {

  2174.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2175.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2176.                 }

  2177.             }

  2178.         }

  2179.     }

  2180. 

  2181.     // -------------------------------------------------------------------

  2182.     // Plugin buffers

  2183. 

  2184.     void clearBuffers() noexcept override

  2185.     {

  2186.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2187. 

  2188.         if (fAudioInBuffers != nullptr)

  2189.         {

  2190.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2191.             {

  2192.                 if (fAudioInBuffers[i] != nullptr)

  2193.                 {

  2194.                     delete[] fAudioInBuffers[i];

  2195.                     fAudioInBuffers[i] = nullptr;

  2196.                 }

  2197.             }

  2198. 

  2199.             delete[] fAudioInBuffers;

  2200.             fAudioInBuffers = nullptr;

  2201.         }

  2202. 

  2203.         if (fAudioOutBuffers != nullptr)

  2204.         {

  2205.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2206.             {

  2207.                 if (fAudioOutBuffers[i] != nullptr)

  2208.                 {

  2209.                     delete[] fAudioOutBuffers[i];

  2210.                     fAudioOutBuffers[i] = nullptr;

  2211.                 }

  2212.             }

  2213. 

  2214.             delete[] fAudioOutBuffers;

  2215.             fAudioOutBuffers = nullptr;

  2216.         }

  2217. 

  2218.         if (fExtraStereoBuffer[0] != nullptr)

  2219.         {

  2220.             delete[] fExtraStereoBuffer[0];

  2221.             fExtraStereoBuffer[0] = nullptr;

  2222.         }

  2223. 

  2224.         if (fExtraStereoBuffer[1] != nullptr)

  2225.         {

  2226.             delete[] fExtraStereoBuffer[1];

  2227.             fExtraStereoBuffer[1] = nullptr;

  2228.         }

  2229. 

  2230.         if (fParamBuffers != nullptr)

  2231.         {

  2232.             delete[] fParamBuffers;

  2233.             fParamBuffers = nullptr;

  2234.         }

  2235. 

  2236.         CarlaPlugin::clearBuffers();

  2237. 

  2238.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2239.     }

  2240. 

  2241. #ifdef HAVE_LIBLO

  2242.     // -------------------------------------------------------------------

  2243.     // OSC stuff

  2244. 

  2245.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2246.     {

  2247.         const lo_address source(lo_message_get_source(msg));

  2248.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2249. 

  2250.         // protocol for DSSI UIs *must* be UDP

  2251.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2252. 

  2253.         if (fOscData.source == nullptr)

  2254.         {

  2255.             // if no UI is registered yet only "update" message is valid

  2256.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "update") == 0,)

  2257.         }

  2258.         else

  2259.         {

  2260.             // make sure message source is the DSSI UI

  2261.             const char* const msghost = lo_address_get_hostname(source);

  2262.             const char* const msgport = lo_address_get_port(source);

  2263. 

  2264.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2265.             const char* const ourport = lo_address_get_port(fOscData.source);

  2266. 

  2267.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2268.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2269.         }

  2270. 

  2271.         const lo_arg* const* const argv(static_cast<const lo_arg* const* const>(argvx));

  2272. 

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

  2274.             return handleOscMessageConfigure(argc, argv, types);

  2275.         if (std::strcmp(method, "control") == 0)

  2276.             return handleOscMessageControl(argc, argv, types);

  2277.         if (std::strcmp(method, "program") == 0)

  2278.             return handleOscMessageProgram(argc, argv, types);

  2279.         if (std::strcmp(method, "midi") == 0)

  2280.             return handleOscMessageMIDI(argc, argv, types);

  2281.         if (std::strcmp(method, "update") == 0)

  2282.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2283.         if (std::strcmp(method, "exiting") == 0)

  2284.             return handleOscMessageExiting();

  2285. 

  2286.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2287.     }

  2288. 

  2289.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2290.     {

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

  2292.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2293. 

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

  2295.         const char* const value = (const char*)&argv[1]->s;

  2296. 

  2297.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2298.     }

  2299. 

  2300.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2301.     {

  2302.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2303.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2304. 

  2305.         const int32_t rindex = argv[0]->i;

  2306.         const float   value  = argv[1]->f;

  2307. 

  2308.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2309.     }

  2310. 

  2311.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2312.     {

  2313.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2314.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2315. 

  2316.         const int32_t bank    = argv[0]->i;

  2317.         const int32_t program = argv[1]->i;

  2318. 

  2319.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2320.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2321. 

  2322.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2323.     }

  2324. 

  2325.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2326.     {

  2327.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2328.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2329. 

  2330.         if (getMidiInCount() == 0)

  2331.         {

  2332.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2333.             return;

  2334.         }

  2335. 

  2336.         const uint8_t* const data = argv[0]->m;

  2337.         uint8_t status  = data[1];

  2338.         uint8_t channel = status & 0x0F;

  2339. 

  2340.         // Fix bad note-off

  2341.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2342.             status = MIDI_STATUS_NOTE_OFF;

  2343. 

  2344.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2345.         {

  2346.             const uint8_t note = data[2];

  2347. 

  2348.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2349. 

  2350.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2351.         }

  2352.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2353.         {

  2354.             const uint8_t note = data[2];

  2355.             const uint8_t velo = data[3];

  2356. 

  2357.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2358.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2359. 

  2360.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2361.         }

  2362.     }

  2363. 

  2364.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2365.     {

  2366.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2367.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2368. 

  2369.         const char* const url = (const char*)&argv[0]->s;

  2370. 

  2371.         // FIXME - remove debug prints later

  2372.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2373. 

  2374.         fOscData.clear();

  2375. 

  2376.         const int proto = lo_address_get_protocol(source);

  2377. 

  2378.         {

  2379.             const char* host = lo_address_get_hostname(source);

  2380.             const char* port = lo_address_get_port(source);

  2381.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2382. 

  2383.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2384.         }

  2385. 

  2386.         {

  2387.             char* host = lo_url_get_hostname(url);

  2388.             char* port = lo_url_get_port(url);

  2389.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2390.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2391.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2392. 

  2393.             std::free(host);

  2394.             std::free(port);

  2395.         }

  2396. 

  2397.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2398. 

  2399.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2400.         {

  2401.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2402.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2403. 

  2404.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2405.                 osc_send_configure(fOscData, customData.key, customData.value);

  2406.         }

  2407. 

  2408.         if (pData->prog.current >= 0)

  2409.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2410. 

  2411.         if (pData->midiprog.current >= 0)

  2412.         {

  2413.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2414. 

  2415.             if (getType() == PLUGIN_DSSI)

  2416.                 osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2417.             else

  2418.                 osc_send_midi_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2419.         }

  2420. 

  2421.         for (uint32_t i=0; i < pData->param.count; ++i)

  2422.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2423. 

  2424.         if ((pData->hints & PLUGIN_HAS_CUSTOM_UI) != 0 && pData->engine->getOptions().frontendWinId != 0)

  2425.             pData->transientTryCounter = 1;

  2426. 

  2427.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2428.     }

  2429. 

  2430.     void handleOscMessageExiting()

  2431.     {

  2432.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2433. 

  2434.         // hide UI

  2435.         showCustomUI(false);

  2436. 

  2437.         // tell frontend

  2438.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2439.     }

  2440. 

  2441.     // -------------------------------------------------------------------

  2442.     // Post-poned UI Stuff

  2443. 

  2444.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2445.     {

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

  2447. 

  2448.         if (fOscData.target == nullptr)

  2449.             return;

  2450. 

  2451.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2452.     }

  2453. 

  2454.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2455.     {

  2456.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2457. 

  2458.         if (fOscData.target == nullptr)

  2459.             return;

  2460. 

  2461.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2462.     }

  2463. 

  2464.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2465.     {

  2466.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2467.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2468.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2469. 

  2470.         if (fOscData.target == nullptr)

  2471.             return;

  2472. 

  2473. #if 0

  2474.         uint8_t midiData[4];

  2475.         midiData[0] = 0;

  2476.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2477.         midiData[2] = note;

  2478.         midiData[3] = velo;

  2479. 

  2480.         osc_send_midi(fOscData, midiData);

  2481. #endif

  2482.     }

  2483. 

  2484.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2485.     {

  2486.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2487.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2488. 

  2489.         if (fOscData.target == nullptr)

  2490.             return;

  2491. 

  2492. #if 0

  2493.         uint8_t midiData[4];

  2494.         midiData[0] = 0;

  2495.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2496.         midiData[2] = note;

  2497.         midiData[3] = 0;

  2498. 

  2499.         osc_send_midi(fOscData, midiData);

  2500. #endif

  2501.     }

  2502. #endif // HAVE_LIBLO

  2503. 

  2504.     // -------------------------------------------------------------------

  2505. 

  2506.     const void* getNativeDescriptor() const noexcept override

  2507.     {

  2508.         return fDssiDescriptor;

  2509.     }

  2510. 

  2511. #ifdef HAVE_LIBLO

  2512.     uintptr_t getUiBridgeProcessId() const noexcept override

  2513.     {

  2514.         return fThreadUI.getProcessPID();

  2515.     }

  2516. 

  2517.     const void* getExtraStuff() const noexcept override

  2518.     {

  2519.         return fUiFilename;

  2520.     }

  2521. #endif

  2522. 

  2523.     // -------------------------------------------------------------------

  2524. 

  2525.     bool init(const char* const filename, const char* const name, const char* const label, const uint options)

  2526.     {

  2527.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2528. 

  2529.         // ---------------------------------------------------------------

  2530.         // first checks

  2531. 

  2532.         if (pData->client != nullptr)

  2533.         {

  2534.             pData->engine->setLastError("Plugin client is already registered");

  2535.             return false;

  2536.         }

  2537. 

  2538.         if (filename == nullptr || filename[0] == '\0')

  2539.         {

  2540.             pData->engine->setLastError("null filename");

  2541.             return false;

  2542.         }

  2543. 

  2544.         if (label == nullptr || label[0] == '\0')

  2545.         {

  2546.             pData->engine->setLastError("null label");

  2547.             return false;

  2548.         }

  2549. 

  2550.         // ---------------------------------------------------------------

  2551.         // open DLL

  2552. 

  2553.         if (! pData->libOpen(filename))

  2554.         {

  2555.             pData->engine->setLastError(pData->libError(filename));

  2556.             return false;

  2557.         }

  2558. 

  2559.         // ---------------------------------------------------------------

  2560.         // get DLL main entry

  2561. 

  2562.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2563. 

  2564.         if (descFn == nullptr)

  2565.         {

  2566.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2567.             return false;

  2568.         }

  2569. 

  2570.         // ---------------------------------------------------------------

  2571.         // get descriptor that matches label

  2572. 

  2573.         for (ulong d=0;; ++d)

  2574.         {

  2575.             try {

  2576.                 fDssiDescriptor = descFn(d);

  2577.             }

  2578.             catch(...) {

  2579.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2580.                 fDescriptor     = nullptr;

  2581.                 fDssiDescriptor = nullptr;

  2582.                 break;

  2583.             }

  2584. 

  2585.             if (fDssiDescriptor == nullptr)

  2586.                 break;

  2587. 

  2588.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2589. 

  2590.             if (fDescriptor == nullptr)

  2591.             {

  2592.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2593.                 fDssiDescriptor = nullptr;

  2594.                 break;

  2595.             }

  2596.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2597.             {

  2598.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2599.                 fDescriptor     = nullptr;

  2600.                 fDssiDescriptor = nullptr;

  2601.                 break;

  2602.             }

  2603.             if (fDescriptor->run == nullptr)

  2604.             {

  2605.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2606.                 fDescriptor     = nullptr;

  2607.                 fDssiDescriptor = nullptr;

  2608.                 break;

  2609.             }

  2610. 

  2611.             if (std::strcmp(fDescriptor->Label, label) == 0)

  2612.                 break;

  2613.         }

  2614. 

  2615.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2616.         {

  2617.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2618.             return false;

  2619.         }

  2620. 

  2621.         // ---------------------------------------------------------------

  2622.         // check if uses global instance

  2623. 

  2624.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2625.         {

  2626.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2627.             return false;

  2628.         }

  2629. 

  2630.         // ---------------------------------------------------------------

  2631.         // get info

  2632. 

  2633.         if (name != nullptr && name[0] != '\0')

  2634.             pData->name = pData->engine->getUniquePluginName(name);

  2635.         else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2636.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Name);

  2637.         else

  2638.             pData->name = pData->engine->getUniquePluginName(fDescriptor->Label);

  2639. 

  2640.         pData->filename = carla_strdup(filename);

  2641. 

  2642.         // ---------------------------------------------------------------

  2643.         // register client

  2644. 

  2645.         pData->client = pData->engine->addClient(this);

  2646. 

  2647.         if (pData->client == nullptr || ! pData->client->isOk())

  2648.         {

  2649.             pData->engine->setLastError("Failed to register plugin client");

  2650.             return false;

  2651.         }

  2652. 

  2653.         // ---------------------------------------------------------------

  2654.         // initialize plugin

  2655. 

  2656.         if (! addInstance())

  2657.             return false;

  2658. 

  2659.         // ---------------------------------------------------------------

  2660.         // find latency port index

  2661. 

  2662.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2663.         {

  2664.             const int portType(fDescriptor->PortDescriptors[i]);

  2665. 

  2666.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2667.                 continue;

  2668. 

  2669.             const uint32_t index(iCtrl++);

  2670. 

  2671.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2672.                 continue;

  2673. 

  2674.             const char* const portName(fDescriptor->PortNames[i]);

  2675.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2676. 

  2677.             if (std::strcmp(portName, "latency")  == 0 ||

  2678.                 std::strcmp(portName, "_latency") == 0)

  2679.             {

  2680.                 fLatencyIndex = static_cast<int32_t>(index);

  2681.                 break;

  2682.             }

  2683.         }

  2684. 

  2685.         // ---------------------------------------------------------------

  2686.         // check for custom data extension

  2687. 

  2688.         if (fDssiDescriptor->configure != nullptr)

  2689.         {

  2690.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2691.             {

  2692.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2693.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2694.                     fUsesCustomData = true;

  2695. 

  2696.                 std::free(error);

  2697.             }

  2698.         }

  2699. 

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

  2701.         // check if this is dssi-vst

  2702. 

  2703.         fIsDssiVst = CarlaString(filename).contains("dssi-vst", true);

  2704. 

  2705. #ifdef HAVE_LIBLO

  2706.         // ---------------------------------------------------------------

  2707.         // check for gui

  2708. 

  2709.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2710.         {

  2711.             fUiFilename = guiFilename;

  2712.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2713.         }

  2714. #endif

  2715. 

  2716.         // ---------------------------------------------------------------

  2717.         // set default options

  2718. 

  2719.         pData->options = 0x0;

  2720. 

  2721.         /**/ if (fLatencyIndex >= 0 || fIsDssiVst)

  2722.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2723.          else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2724.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2725. 

  2726.         /**/ if (pData->engine->getOptions().forceStereo)

  2727.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2728.          else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2729.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2730. 

  2731.         if (fUsesCustomData)

  2732.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2733. 

  2734.         if (fDssiDescriptor->run_synth != nullptr)

  2735.         {

  2736.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2737.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2738.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2739.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2740. 

  2741.             if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2742.                 pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2743.         }

  2744. 

  2745.         return true;

  2746.     }

  2747. 

  2748.     // -------------------------------------------------------------------

  2749. 

  2750. private:

  2751.     LinkedList<LADSPA_Handle> fHandles;

  2752.     const LADSPA_Descriptor*  fDescriptor;

  2753.     const DSSI_Descriptor*    fDssiDescriptor;

  2754. 

  2755.     float** fAudioInBuffers;

  2756.     float** fAudioOutBuffers;

  2757.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2758.     float*  fParamBuffers;

  2759. 

  2760.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2761. 

  2762.     int32_t fLatencyIndex; // -1 if invalid

  2763.     bool    fForcedStereoIn;

  2764.     bool    fForcedStereoOut;

  2765.     bool    fIsDssiVst;

  2766.     bool    fUsesCustomData;

  2767. 

  2768. #ifdef HAVE_LIBLO

  2769.     CarlaOscData      fOscData;

  2770.     CarlaThreadDSSIUI fThreadUI;

  2771.     const char*       fUiFilename;

  2772. #endif

  2773. 

  2774.     // -------------------------------------------------------------------

  2775. 

  2776.     bool addInstance()

  2777.     {

  2778.         LADSPA_Handle handle;

  2779. 

  2780.         try {

  2781.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2782.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2783. 

  2784.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2785.         {

  2786.             const int32_t rindex(pData->param.data[i].rindex);

  2787.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2788. 

  2789.             try {

  2790.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2791.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2792.         }

  2793. 

  2794.         if (fHandles.append(handle))

  2795.             return true;

  2796. 

  2797.         try {

  2798.             fDescriptor->cleanup(handle);

  2799.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2800. 

  2801.         pData->engine->setLastError("Out of memory");

  2802.         return false;

  2803.     }

  2804. 

  2805.     uint32_t getSafePortCount() const noexcept

  2806.     {

  2807.         if (fDescriptor->PortCount == 0)

  2808.             return 0;

  2809. 

  2810.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2811.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2812.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2813. 

  2814.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2815.     }

  2816. 

  2817.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2818.     {

  2819.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2820.             return true;

  2821.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2822.             return true;

  2823.         return false;

  2824.     }

  2825. 

  2826.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2827.                                                      const bool wantName, const bool useBracket) noexcept

  2828.     {

  2829.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2830. 

  2831.         if (sepBracketStart == nullptr)

  2832.             return false;

  2833. 

  2834.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2835. 

  2836.         if (sepBracketEnd == nullptr)

  2837.             return false;

  2838. 

  2839.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2840. 

  2841.         if (unitSize > 7) // very unlikely to have such big unit

  2842.             return false;

  2843. 

  2844.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2845. 

  2846.         // just in case

  2847.         if (sepIndex+2 >= STR_MAX)

  2848.             return false;

  2849. 

  2850.         if (wantName)

  2851.         {

  2852.             std::strncpy(strBuf, paramName, sepIndex);

  2853.             strBuf[sepIndex] = '\0';

  2854.         }

  2855.         else

  2856.         {

  2857.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2858.             strBuf[unitSize] = '\0';

  2859.         }

  2860. 

  2861.         return true;

  2862.     }

  2863. 

  2864.     // -------------------------------------------------------------------

  2865. 

  2866.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2867. };

  2868. 

  2869. // -------------------------------------------------------------------------------------------------------------------

  2870. 

  2871. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2872. {

  2873.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2874.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2875. 

  2876.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2877. 

  2878.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2879.     {

  2880.         delete plugin;

  2881.         return nullptr;

  2882.     }

  2883. 

  2884.     return plugin;

  2885. }

  2886. 

  2887. // -------------------------------------------------------------------------------------------------------------------

  2888. 

  2889. CARLA_BACKEND_END_NAMESPACE