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Carla/source/backend/plugin/CarlaPluginDSSI.cpp

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2019 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. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  25. # include "CarlaOscUtils.hpp"

  26. # include "CarlaPipeUtils.hpp"

  27. # include "CarlaThread.hpp"

  28. #endif

  29. 

  30. #include "water/threads/ChildProcess.h"

  31. 

  32. using water::ChildProcess;

  33. using water::String;

  34. using water::StringArray;

  35. 

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

  37.     /* check argument count */                                                                                                  \

  38.     if (argc != argcToCompare)                                                                                                  \

  39.     {                                                                                                                           \

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

  41.         return;                                                                                                                 \

  42.     }                                                                                                                           \

  43.     if (argc > 0)                                                                                                               \

  44.     {                                                                                                                           \

  45.         /* check for nullness */                                                                                                \

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

  47.         {                                                                                                                       \

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

  49.             return;                                                                                                             \

  50.         }                                                                                                                       \

  51.         /* check argument types */                                                                                              \

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

  53.         {                                                                                                                       \

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

  55.             return;                                                                                                             \

  56.         }                                                                                                                       \

  57.     }

  58. 

  59. CARLA_BACKEND_START_NAMESPACE

  60. 

  61. // -------------------------------------------------------------------

  62. // Fallback data

  63. 

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

  65. 

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

  67. // -------------------------------------------------------------------

  68. 

  69. class CarlaThreadDSSIUI : public CarlaThread

  70. {

  71. public:

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

  73.         : CarlaThread("CarlaThreadDSSIUI"),

  74.           kEngine(engine),

  75.           kPlugin(plugin),

  76.           fBinary(),

  77.           fLabel(),

  78.           fOscData(oscData),

  79.           fProcess() {}

  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 getProcessId() 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.         carla_stdout("DSSI UI thread started");

  104. 

  105.         if (fProcess == nullptr)

  106.         {

  107.             fProcess = new ChildProcess();

  108.         }

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

  110.         {

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

  112. 

  113.             fProcess->kill();

  114.             fProcess = nullptr;

  115.             kEngine->callback(true, true,

  116.                               ENGINE_CALLBACK_UI_STATE_CHANGED,

  117.                               kPlugin->getId(),

  118.                               0,

  119.                               0, 0, 0.0f, nullptr);

  120.             return;

  121.         }

  122. 

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

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

  125. 

  126.         if (name.isEmpty())

  127.             name = "(none)";

  128. 

  129.         if (filename.isEmpty())

  130.             filename = "\"\"";

  131. 

  132.         StringArray arguments;

  133. 

  134.         // binary

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

  136. 

  137.         // osc-url

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

  139. 

  140.         // filename

  141.         arguments.add(filename);

  142. 

  143.         // label

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

  145. 

  146.         // ui-title

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

  148. 

  149.         bool started;

  150. 

  151.         {

  152. #ifdef CARLA_OS_LINUX

  153.             /*

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

  155.              * If not, unset LD_PRELOAD.

  156.              */

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

  158. 

  159.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  160.             char winIdStr[STR_MAX+1];

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

  162. 

  163.             // for LD_PRELOAD

  164.             CarlaString ldPreloadValue;

  165. 

  166.             if (winId != 0)

  167.             {

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

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

  170.                                + "/libcarla_interposer-x11.so");

  171.             }

  172.             else

  173.             {

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

  175.             }

  176. 

  177.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  180. #endif // CARLA_OS_LINUX

  181. 

  182.             // start the DSSI UI application

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

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

  185.         }

  186. 

  187.         if (! started)

  188.         {

  189.             carla_stdout("failed!");

  190.             fProcess = nullptr;

  191.             return;

  192.         }

  193. 

  194.         if (waitForOscGuiShow())

  195.         {

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

  197.                 carla_sleep(1);

  198. 

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

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

  201.             {

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

  203. 

  204.                 if (fProcess->isRunning())

  205.                 {

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

  207.                     fProcess->kill();

  208.                 }

  209.                 else

  210.                 {

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

  212.                 }

  213.             }

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

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

  216.             else

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

  218.         }

  219.         else

  220.         {

  221.             fProcess->kill();

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

  223.         }

  224. 

  225.         fProcess = nullptr;

  226.         kEngine->callback(true, true,

  227.                           ENGINE_CALLBACK_UI_STATE_CHANGED,

  228.                           kPlugin->getId(),

  229.                           0,

  230.                           0, 0, 0.0f, nullptr);

  231. 

  232.         carla_stdout("DSSI UI thread finished");

  233.     }

  234. 

  235. private:

  236.     CarlaEngine* const kEngine;

  237.     CarlaPlugin* const kPlugin;

  238. 

  239.     CarlaString fBinary;

  240.     CarlaString fLabel;

  241. 

  242.     const CarlaOscData&         fOscData;

  243.     ScopedPointer<ChildProcess> fProcess;

  244. 

  245.     bool waitForOscGuiShow()

  246.     {

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

  248.         const uint uiBridgesTimeout = kEngine->getOptions().uiBridgesTimeout;

  249. 

  250.         // wait for UI 'update' call

  251.         for (uint i=0; i < uiBridgesTimeout/100; ++i)

  252.         {

  253.             if (fOscData.target != nullptr)

  254.             {

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

  256.                 osc_send_show(fOscData);

  257.                 return true;

  258.             }

  259. 

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

  261.                 carla_msleep(100);

  262.             else

  263.                 return false;

  264.         }

  265. 

  266.         carla_stdout("CarlaThreadDSSIUI::waitForOscGuiShow() - Timeout while waiting for UI to respond"

  267.                      "(waited %u msecs)", uiBridgesTimeout);

  268.         return false;

  269.     }

  270. 

  271.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  272. };

  273. #endif

  274. 

  275. // -----------------------------------------------------

  276. 

  277. class CarlaPluginDSSI : public CarlaPlugin

  278. {

  279. public:

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

  281.         : CarlaPlugin(engine, id),

  282.           fHandles(),

  283.           fDescriptor(nullptr),

  284.           fDssiDescriptor(nullptr),

  285.           fAudioInBuffers(nullptr),

  286.           fAudioOutBuffers(nullptr),

  287.           fExtraStereoBuffer(),

  288.           fParamBuffers(nullptr),

  289.           fLatencyIndex(-1),

  290.           fForcedStereoIn(false),

  291.           fForcedStereoOut(false),

  292.           fNeedsFixedBuffers(false),

  293.           fUsesCustomData(false)

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

  295.         , fOscData(),

  296.           fThreadUI(engine, this, fOscData),

  297.           fUiFilename(nullptr)

  298. #endif

  299.     {

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

  301. 

  302.         carla_zeroPointers(fExtraStereoBuffer, 2);

  303.     }

  304. 

  305.     ~CarlaPluginDSSI() noexcept override

  306.     {

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

  308. 

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

  310.         // close UI

  311.         if (fUiFilename != nullptr)

  312.         {

  313.             showCustomUI(false);

  314. 

  315.             delete[] fUiFilename;

  316.             fUiFilename = nullptr;

  317.         }

  318. #endif

  319. 

  320.         pData->singleMutex.lock();

  321.         pData->masterMutex.lock();

  322. 

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

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

  325. 

  326.         if (pData->active)

  327.         {

  328.             deactivate();

  329.             pData->active = false;

  330.         }

  331. 

  332.         if (fDescriptor != nullptr)

  333.         {

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

  335.             {

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

  337.                 {

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

  339.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  340. 

  341.                     try {

  342.                         fDescriptor->cleanup(handle);

  343.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  344.                 }

  345.             }

  346. 

  347.             fHandles.clear();

  348.             fDescriptor = nullptr;

  349.             fDssiDescriptor = nullptr;

  350.         }

  351. 

  352.         clearBuffers();

  353.     }

  354. 

  355.     // -------------------------------------------------------------------

  356.     // Information (base)

  357. 

  358.     PluginType getType() const noexcept override

  359.     {

  360.         return PLUGIN_DSSI;

  361.     }

  362. 

  363.     PluginCategory getCategory() const noexcept override

  364.     {

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

  366. 

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

  368.             return PLUGIN_CATEGORY_SYNTH;

  369. 

  370.         return CarlaPlugin::getCategory();

  371.     }

  372. 

  373.     int64_t getUniqueId() const noexcept override

  374.     {

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

  376. 

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

  378.     }

  379. 

  380.     uint32_t getLatencyInFrames() const noexcept override

  381.     {

  382.         if (fLatencyIndex < 0 || fParamBuffers == nullptr)

  383.             return 0;

  384. 

  385.         const float latency(fParamBuffers[fLatencyIndex]);

  386.         CARLA_SAFE_ASSERT_RETURN(latency >= 0.0f, 0);

  387. 

  388.         return static_cast<uint32_t>(latency);

  389.     }

  390. 

  391.     // -------------------------------------------------------------------

  392.     // Information (count)

  393. 

  394.     // nothing

  395. 

  396.     // -------------------------------------------------------------------

  397.     // Information (current data)

  398. 

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

  400.     {

  401.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  407. 

  408.         *dataPtr = nullptr;

  409. 

  410.         int ret = 0;

  411.         ulong dataSize = 0;

  412. 

  413.         try {

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

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

  416. 

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

  418.     }

  419. 

  420.     // -------------------------------------------------------------------

  421.     // Information (per-plugin data)

  422. 

  423.     uint getOptionsAvailable() const noexcept override

  424.     {

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

  426. 

  427.         uint options = 0x0;

  428. 

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

  430.         if (fLatencyIndex == -1 && ! fNeedsFixedBuffers)

  431.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  432. 

  433.         // can't disable forced stereo if enabled in the engine

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

  435.             pass();

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

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

  438.             options |= PLUGIN_OPTION_FORCE_STEREO;

  439. 

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

  441.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  442. 

  443.         if (fUsesCustomData)

  444.             options |= PLUGIN_OPTION_USE_CHUNKS;

  445. 

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

  447.         {

  448.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  449.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  450.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  451.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  452.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  453.         }

  454. 

  455.         return options;

  456.     }

  457. 

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

  459.     {

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

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

  462. 

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

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

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

  466. 

  467.         // not output, should be fine

  468.         return fParamBuffers[parameterId];

  469.     }

  470. 

  471.     bool getLabel(char* const strBuf) const noexcept override

  472.     {

  473.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  474.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Label != nullptr, false);

  475. 

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

  477.         return true;

  478.     }

  479. 

  480.     bool getMaker(char* const strBuf) const noexcept override

  481.     {

  482.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  483.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Maker != nullptr, false);

  484. 

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

  486.         return true;

  487.     }

  488. 

  489.     bool getCopyright(char* const strBuf) const noexcept override

  490.     {

  491.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  492.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Copyright != nullptr, false);

  493. 

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

  495.         return true;

  496.     }

  497. 

  498.     bool getRealName(char* const strBuf) const noexcept override

  499.     {

  500.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

  501.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->Name != nullptr, false);

  502. 

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

  504.         return true;

  505.     }

  506. 

  507.     bool getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  508.     {

  509.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, false);

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

  511. 

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

  513.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, false);

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

  515.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr, false);

  516. 

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

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

  519. 

  520.         return true;

  521.     }

  522. 

  523.     bool getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  524.     {

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

  526. 

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

  528.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, false);

  529. 

  530.         CARLA_SAFE_ASSERT_RETURN(rindex < static_cast<int32_t>(fDescriptor->PortCount), false);

  531.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr, false);

  532. 

  533.         return getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, false);

  534.     }

  535. 

  536.     // -------------------------------------------------------------------

  537.     // Set data (state)

  538. 

  539.     // nothing

  540. 

  541.     // -------------------------------------------------------------------

  542.     // Set data (internal stuff)

  543. 

  544.     void setId(const uint newId) noexcept override

  545.     {

  546.         CarlaPlugin::setId(newId);

  547. 

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

  549.         // FIXME - must be RT safe

  550.         showCustomUI(false);

  551.     }

  552. 

  553.     // -------------------------------------------------------------------

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

  555. 

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

  557.     {

  558.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  560. 

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

  562.         fParamBuffers[parameterId] = fixedValue;

  563. 

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

  565.     }

  566. 

  567.     void setParameterValueRT(const uint32_t parameterId, const float value, const bool sendCallbackLater) noexcept override

  568.     {

  569.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  571. 

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

  573.         fParamBuffers[parameterId] = fixedValue;

  574. 

  575.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue, sendCallbackLater);

  576.     }

  577. 

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

  579.     {

  580.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  583.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  585. 

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

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

  588. 

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

  590.             return carla_stderr2("CarlaPluginDSSI::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string",

  591.                                  type, key, value, bool2str(sendGui));

  592. 

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

  594.         {

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

  596.             {

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

  598.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  599. 

  600.                 try {

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

  602.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  603.             }

  604.         }

  605. 

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

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

  608.             osc_send_configure(fOscData, key, value);

  609. #endif

  610. 

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

  612.         {

  613.             const ScopedSingleProcessLocker spl(this, true);

  614.             reloadPrograms(false);

  615.         }

  616. 

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

  618.     }

  619. 

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

  621.     {

  622.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  624.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  626.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  627.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  628. 

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

  630.         {

  631.             const ScopedSingleProcessLocker spl(this, true);

  632. 

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

  634.             {

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

  636.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  637. 

  638.                 try {

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

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

  641.             }

  642.         }

  643. 

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

  645.     }

  646. 

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

  648.     {

  649.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  652.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,);

  653. 

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

  655.         {

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

  657. 

  658.             setMidiProgramInDSSI(static_cast<uint32_t>(index));

  659.         }

  660. 

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

  662.     }

  663. 

  664.     void setMidiProgramRT(const uint32_t uindex, const bool sendCallbackLater) noexcept override

  665.     {

  666.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  668.         CARLA_SAFE_ASSERT_RETURN(uindex < pData->midiprog.count,);

  669. 

  670.         setMidiProgramInDSSI(uindex);

  671. 

  672.         CarlaPlugin::setMidiProgramRT(uindex, sendCallbackLater);

  673.     }

  674. 

  675.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  676.     {

  677.         const uint32_t bank(pData->midiprog.data[uindex].bank);

  678.         const uint32_t program(pData->midiprog.data[uindex].program);

  679. 

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

  681.         {

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

  683.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  684. 

  685.             try {

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

  687.             } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  688.         }

  689.     }

  690. 

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

  692.     // -------------------------------------------------------------------

  693.     // Set ui stuff

  694. 

  695.     void showCustomUI(const bool yesNo) override

  696.     {

  697.         if (yesNo)

  698.         {

  699.             fOscData.clear();

  700.             fThreadUI.startThread();

  701.         }

  702.         else

  703.         {

  704. #ifndef BUILD_BRIDGE

  705.             pData->transientTryCounter = 0;

  706. #endif

  707. 

  708.             if (fOscData.target != nullptr)

  709.             {

  710.                 osc_send_hide(fOscData);

  711.                 osc_send_quit(fOscData);

  712.                 fOscData.clear();

  713.             }

  714. 

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

  716.         }

  717.     }

  718. #endif

  719. 

  720.     // -------------------------------------------------------------------

  721.     // Plugin state

  722. 

  723.     void reload() override

  724.     {

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

  726.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  727.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  730. 

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

  732. 

  733.         // Safely disable plugin for reload

  734.         const ScopedDisabler sd(this);

  735. 

  736.         if (pData->active)

  737.             deactivate();

  738. 

  739.         clearBuffers();

  740. 

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

  742.         const uint32_t portCount(getSafePortCount());

  743. 

  744.         uint32_t aIns, aOuts, mIns, params;

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

  746. 

  747.         bool forcedStereoIn, forcedStereoOut;

  748.         forcedStereoIn = forcedStereoOut = false;

  749. 

  750.         bool needsCtrlIn, needsCtrlOut;

  751.         needsCtrlIn = needsCtrlOut = false;

  752. 

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

  754.         {

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

  756. 

  757.             if (LADSPA_IS_PORT_AUDIO(portType))

  758.             {

  759.                 if (LADSPA_IS_PORT_INPUT(portType))

  760.                     aIns += 1;

  761.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  762.                     aOuts += 1;

  763.             }

  764.             else if (LADSPA_IS_PORT_CONTROL(portType))

  765.                 params += 1;

  766.         }

  767. 

  768.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  769.         {

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

  771.             {

  772.                 if (aIns == 1)

  773.                 {

  774.                     aIns = 2;

  775.                     forcedStereoIn = true;

  776.                 }

  777.                 if (aOuts == 1)

  778.                 {

  779.                     aOuts = 2;

  780.                     forcedStereoOut = true;

  781.                 }

  782.             }

  783.         }

  784. 

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

  786.         {

  787.             mIns = 1;

  788.             needsCtrlIn = true;

  789.         }

  790. 

  791.         if (aIns > 0)

  792.         {

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

  794.             fAudioInBuffers = new float*[aIns];

  795. 

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

  797.                 fAudioInBuffers[i] = nullptr;

  798.         }

  799. 

  800.         if (aOuts > 0)

  801.         {

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

  803.             fAudioOutBuffers = new float*[aOuts];

  804.             needsCtrlIn = true;

  805. 

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

  807.                 fAudioOutBuffers[i] = nullptr;

  808.         }

  809. 

  810.         if (params > 0)

  811.         {

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

  813. 

  814.             fParamBuffers = new float[params];

  815.             carla_zeroFloats(fParamBuffers, params);

  816.         }

  817. 

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

  819.         CarlaString portName;

  820. 

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

  822.         {

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

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

  825. 

  826.             if (LADSPA_IS_PORT_AUDIO(portType))

  827.             {

  828.                 portName.clear();

  829. 

  830.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  831.                 {

  832.                     portName  = pData->name;

  833.                     portName += ":";

  834.                 }

  835. 

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

  837.                 {

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

  839.                 }

  840.                 else

  841.                 {

  842.                     if (LADSPA_IS_PORT_INPUT(portType))

  843.                     {

  844.                         if (aIns > 1)

  845.                         {

  846.                             portName += "audio-in_";

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

  848.                         }

  849.                         else

  850.                             portName += "audio-in";

  851.                     }

  852.                     else

  853.                     {

  854.                         if (aOuts > 1)

  855.                         {

  856.                             portName += "audio-out_";

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

  858.                         }

  859.                         else

  860.                             portName += "audio-out";

  861.                     }

  862.                 }

  863. 

  864.                 portName.truncate(portNameSize);

  865. 

  866.                 if (LADSPA_IS_PORT_INPUT(portType))

  867.                 {

  868.                     const uint32_t j = iAudioIn++;

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

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

  871. 

  872.                     if (forcedStereoIn)

  873.                     {

  874.                         portName += "_2";

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

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

  877.                     }

  878.                 }

  879.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  880.                 {

  881.                     const uint32_t j = iAudioOut++;

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

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

  884. 

  885.                     if (forcedStereoOut)

  886.                     {

  887.                         portName += "_2";

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

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

  890.                     }

  891.                 }

  892.                 else

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

  894.             }

  895.             else if (LADSPA_IS_PORT_CONTROL(portType))

  896.             {

  897.                 const uint32_t j = iCtrl++;

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

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

  900. 

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

  902. 

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

  904. 

  905.                 // min value

  906.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  907.                     min = portRangeHints.LowerBound;

  908.                 else

  909.                     min = 0.0f;

  910. 

  911.                 // max value

  912.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  913.                     max = portRangeHints.UpperBound;

  914.                 else

  915.                     max = 1.0f;

  916. 

  917.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  918.                 {

  919.                     min *= sampleRate;

  920.                     max *= sampleRate;

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

  922.                 }

  923. 

  924.                 if (min >= max)

  925.                 {

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

  927.                     max = min + 0.1f;

  928.                 }

  929. 

  930.                 // default value

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

  932. 

  933.                 if (def < min)

  934.                     def = min;

  935.                 else if (def > max)

  936.                     def = max;

  937. 

  938.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  939.                 {

  940.                     step = max - min;

  941.                     stepSmall = step;

  942.                     stepLarge = step;

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

  944.                 }

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

  946.                 {

  947.                     step = 1.0f;

  948.                     stepSmall = 1.0f;

  949.                     stepLarge = 10.0f;

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

  951.                 }

  952.                 else

  953.                 {

  954.                     const float range = max - min;

  955.                     step = range/100.0f;

  956.                     stepSmall = range/1000.0f;

  957.                     stepLarge = range/10.0f;

  958.                 }

  959. 

  960.                 if (LADSPA_IS_PORT_INPUT(portType))

  961.                 {

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

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

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

  965.                     needsCtrlIn = true;

  966. 

  967.                     // MIDI CC value

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

  969.                     {

  970.                         const int ctrl = fDssiDescriptor->get_midi_controller_for_port(fHandles.getFirst(nullptr), i);

  971.                         if (DSSI_CONTROLLER_IS_SET(ctrl) && DSSI_IS_CC(ctrl))

  972.                         {

  973.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  974.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  976.                         }

  977.                     }

  978.                 }

  979.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  980.                 {

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

  982. 

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

  984.                     {

  985.                         min = 0.0f;

  986.                         max = sampleRate;

  987.                         def = 0.0f;

  988.                         step = 1.0f;

  989.                         stepSmall = 1.0f;

  990.                         stepLarge = 1.0f;

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

  992.                         CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast<int32_t>(j), fLatencyIndex, j);

  993.                     }

  994.                     else

  995.                     {

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

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

  998.                         needsCtrlOut = true;

  999.                     }

  1000.                 }

  1001.                 else

  1002.                 {

  1003.                     carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)");

  1004.                 }

  1005. 

  1006.                 // extra parameter hints

  1007.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  1008.                     pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  1009. 

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

  1011.                 pData->param.ranges[j].max = max;

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

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

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

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

  1016. 

  1017.                 // Start parameters in their default values

  1018.                 fParamBuffers[j] = def;

  1019. 

  1020.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1021.                 {

  1022.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1023.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1024. 

  1025.                     try {

  1026.                         fDescriptor->connect_port(handle, i, &fParamBuffers[j]);

  1027.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (parameter)");

  1028.                 }

  1029.             }

  1030.             else

  1031.             {

  1032.                 // Not Audio or Control

  1033.                 carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)");

  1034. 

  1035.                 for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1036.                 {

  1037.                     LADSPA_Handle const handle(it.getValue(nullptr));

  1038.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1039. 

  1040.                     try {

  1041.                         fDescriptor->connect_port(handle, i, nullptr);

  1042.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (null)");

  1043.                 }

  1044.             }

  1045.         }

  1046. 

  1047.         if (needsCtrlIn)

  1048.         {

  1049.             portName.clear();

  1050. 

  1051.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1052.             {

  1053.                 portName  = pData->name;

  1054.                 portName += ":";

  1055.             }

  1056. 

  1057.             portName += "events-in";

  1058.             portName.truncate(portNameSize);

  1059. 

  1060.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1061.         }

  1062. 

  1063.         if (needsCtrlOut)

  1064.         {

  1065.             portName.clear();

  1066. 

  1067.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1068.             {

  1069.                 portName  = pData->name;

  1070.                 portName += ":";

  1071.             }

  1072. 

  1073.             portName += "events-out";

  1074.             portName.truncate(portNameSize);

  1075. 

  1076.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1077.         }

  1078. 

  1079.         if (forcedStereoIn || forcedStereoOut)

  1080.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1081.         else

  1082.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1083. 

  1084.         // plugin hints

  1085.         pData->hints = 0x0;

  1086. 

  1087.         if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties))

  1088.             pData->hints |= PLUGIN_IS_RTSAFE;

  1089. 

  1090. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1091.         if (fUiFilename != nullptr)

  1092.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1093. #endif

  1094. 

  1095. #ifndef BUILD_BRIDGE

  1096.         if (aOuts > 0 && (aIns == aOuts || aIns == 1))

  1097.             pData->hints |= PLUGIN_CAN_DRYWET;

  1098. 

  1099.         if (aOuts > 0)

  1100.             pData->hints |= PLUGIN_CAN_VOLUME;

  1101. 

  1102.         if (aOuts >= 2 && aOuts % 2 == 0)

  1103.             pData->hints |= PLUGIN_CAN_BALANCE;

  1104. #endif

  1105. 

  1106.         // extra plugin hints

  1107.         pData->extraHints = 0x0;

  1108. 

  1109.         if (mIns > 0)

  1110.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1111. 

  1112.         // check initial latency

  1113.         findInitialLatencyValue(aIns, aOuts);

  1114. 

  1115.         fForcedStereoIn  = forcedStereoIn;

  1116.         fForcedStereoOut = forcedStereoOut;

  1117. 

  1118.         bufferSizeChanged(pData->engine->getBufferSize());

  1119.         reloadPrograms(true);

  1120. 

  1121.         if (pData->active)

  1122.             activate();

  1123. 

  1124.         carla_debug("CarlaPluginDSSI::reload() - end");

  1125.     }

  1126. 

  1127.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1128.     {

  1129.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1130.             return;

  1131. 

  1132.         // we need to pre-run the plugin so it can update its latency control-port

  1133.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1134.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1135. 

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

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

  1138. 

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

  1140.         {

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

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

  1143. 

  1144.             try {

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

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

  1147.         }

  1148. 

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

  1150.         {

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

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

  1153. 

  1154.             try {

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

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

  1157.         }

  1158. 

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

  1160.         {

  1161.             try {

  1162.                 fDescriptor->activate(handle);

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

  1164.         }

  1165. 

  1166.         try {

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

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

  1169. 

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

  1171.         {

  1172.             try {

  1173.                 fDescriptor->deactivate(handle);

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

  1175.         }

  1176. 

  1177.         // done, let's get the value

  1178.         if (const uint32_t latency = getLatencyInFrames())

  1179.         {

  1180.             pData->client->setLatency(latency);

  1181. #ifndef BUILD_BRIDGE

  1182.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1183. #endif

  1184.         }

  1185.     }

  1186. 

  1187.     void reloadPrograms(const bool doInit) override

  1188.     {

  1189.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1190. 

  1191.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1192.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1193. 

  1194.         const uint32_t oldCount = pData->midiprog.count;

  1195.         const int32_t  current  = pData->midiprog.current;

  1196. 

  1197.         // Delete old programs

  1198.         pData->midiprog.clear();

  1199. 

  1200.         // Query new programs

  1201.         uint32_t newCount = 0;

  1202.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1203.         {

  1204.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1205.                 ++newCount;

  1206.         }

  1207. 

  1208.         if (newCount > 0)

  1209.         {

  1210.             pData->midiprog.createNew(newCount);

  1211. 

  1212.             // Update data

  1213.             for (uint32_t i=0; i < newCount; ++i)

  1214.             {

  1215.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1216.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1217.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1218. 

  1219.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

  1220.                 pData->midiprog.data[i].program = static_cast<uint32_t>(pdesc->Program);

  1221.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1222.             }

  1223.         }

  1224. 

  1225.         if (doInit)

  1226.         {

  1227.             if (newCount > 0)

  1228.                 setMidiProgram(0, false, false, false, true);

  1229.         }

  1230.         else

  1231.         {

  1232.             // Check if current program is invalid

  1233.             bool programChanged = false;

  1234. 

  1235.             if (newCount == oldCount+1)

  1236.             {

  1237.                 // one midi program added, probably created by user

  1238.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1239.                 programChanged = true;

  1240.             }

  1241.             else if (current < 0 && newCount > 0)

  1242.             {

  1243.                 // programs exist now, but not before

  1244.                 pData->midiprog.current = 0;

  1245.                 programChanged = true;

  1246.             }

  1247.             else if (current >= 0 && newCount == 0)

  1248.             {

  1249.                 // programs existed before, but not anymore

  1250.                 pData->midiprog.current = -1;

  1251.                 programChanged = true;

  1252.             }

  1253.             else if (current >= static_cast<int32_t>(newCount))

  1254.             {

  1255.                 // current midi program > count

  1256.                 pData->midiprog.current = 0;

  1257.                 programChanged = true;

  1258.             }

  1259.             else

  1260.             {

  1261.                 // no change

  1262.                 pData->midiprog.current = current;

  1263.             }

  1264. 

  1265.             if (programChanged)

  1266.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1267. 

  1268.             pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1269.         }

  1270.     }

  1271. 

  1272.     // -------------------------------------------------------------------

  1273.     // Plugin processing

  1274. 

  1275.     void activate() noexcept override

  1276.     {

  1277.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1278. 

  1279.         if (fDescriptor->activate != nullptr)

  1280.         {

  1281.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1282.             {

  1283.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1284.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1285. 

  1286.                 try {

  1287.                     fDescriptor->activate(handle);

  1288.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1289.             }

  1290.         }

  1291.     }

  1292. 

  1293.     void deactivate() noexcept override

  1294.     {

  1295.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1296. 

  1297.         if (fDescriptor->deactivate != nullptr)

  1298.         {

  1299.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1300.             {

  1301.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1302.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1303. 

  1304.                 try {

  1305.                     fDescriptor->deactivate(handle);

  1306.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1307.             }

  1308.         }

  1309.     }

  1310. 

  1311.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1312.     {

  1313.         // --------------------------------------------------------------------------------------------------------

  1314.         // Check if active

  1315. 

  1316.         if (! pData->active)

  1317.         {

  1318.             // disable any output sound

  1319.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1320.                 carla_zeroFloats(audioOut[i], frames);

  1321.             return;

  1322.         }

  1323. 

  1324.         ulong midiEventCount = 0;

  1325.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1326. 

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

  1328.         // Check if needs reset

  1329. 

  1330.         if (pData->needsReset)

  1331.         {

  1332.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1333.             {

  1334.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1335. 

  1336.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1337.                 {

  1338.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1339.                     fMidiEvents[i].data.control.channel = i;

  1340.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1341. 

  1342.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1343.                     fMidiEvents[k+i].data.control.channel = i;

  1344.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1345.                 }

  1346.             }

  1347.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1348.             {

  1349.                 midiEventCount = MAX_MIDI_NOTE;

  1350. 

  1351.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1352.                 {

  1353.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1354.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1355.                     fMidiEvents[i].data.note.note    = i;

  1356.                 }

  1357.             }

  1358. 

  1359.             pData->needsReset = false;

  1360.         }

  1361. 

  1362.         // --------------------------------------------------------------------------------------------------------

  1363.         // Event Input and Processing

  1364. 

  1365.         if (pData->event.portIn != nullptr)

  1366.         {

  1367.             // ----------------------------------------------------------------------------------------------------

  1368.             // MIDI Input (External)

  1369. 

  1370.             if (pData->extNotes.mutex.tryLock())

  1371.             {

  1372.                 ExternalMidiNote note = { 0, 0, 0 };

  1373. 

  1374.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1375.                 {

  1376.                     note = pData->extNotes.data.getFirst(note, true);

  1377.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1378. 

  1379.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1380. 

  1381.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1382.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1383.                     seqEvent.data.note.note     = note.note;

  1384.                     seqEvent.data.note.velocity = note.velo;

  1385.                 }

  1386. 

  1387.                 pData->extNotes.mutex.unlock();

  1388. 

  1389.             } // End of MIDI Input (External)

  1390. 

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

  1392.             // Event Input (System)

  1393. 

  1394. #ifndef BUILD_BRIDGE

  1395.             bool allNotesOffSent = false;

  1396. #endif

  1397.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1398. 

  1399.             uint32_t startTime  = 0;

  1400.             uint32_t timeOffset = 0;

  1401.             uint32_t nextBankId;

  1402. 

  1403.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1404.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1405.             else

  1406.                 nextBankId = 0;

  1407. 

  1408.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1409.             {

  1410.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1411. 

  1412.                 uint32_t eventTime = event.time;

  1413.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1414. 

  1415.                 if (eventTime < timeOffset)

  1416.                 {

  1417.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1418.                                   eventTime, timeOffset, pData->name);

  1419.                     eventTime = timeOffset;

  1420.                 }

  1421. 

  1422.                 if (isSampleAccurate && eventTime > timeOffset)

  1423.                 {

  1424.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1425.                     {

  1426.                         startTime  = 0;

  1427.                         timeOffset = eventTime;

  1428.                         midiEventCount = 0;

  1429. 

  1430.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1431.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1432.                         else

  1433.                             nextBankId = 0;

  1434.                     }

  1435.                     else

  1436.                         startTime += timeOffset;

  1437.                 }

  1438. 

  1439.                 switch (event.type)

  1440.                 {

  1441.                 case kEngineEventTypeNull:

  1442.                     break;

  1443. 

  1444.                 case kEngineEventTypeControl: {

  1445.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1446. 

  1447.                     switch (ctrlEvent.type)

  1448.                     {

  1449.                     case kEngineControlEventTypeNull:

  1450.                         break;

  1451. 

  1452.                     case kEngineControlEventTypeParameter: {

  1453. #ifndef BUILD_BRIDGE

  1454.                         // Control backend stuff

  1455.                         if (event.channel == pData->ctrlChannel)

  1456.                         {

  1457.                             float value;

  1458. 

  1459.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1460.                             {

  1461.                                 value = ctrlEvent.value;

  1462.                                 setDryWetRT(value, true);

  1463.                             }

  1464. 

  1465.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1466.                             {

  1467.                                 value = ctrlEvent.value*127.0f/100.0f;

  1468.                                 setVolumeRT(value, true);

  1469.                             }

  1470. 

  1471.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1472.                             {

  1473.                                 float left, right;

  1474.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1475. 

  1476.                                 if (value < 0.0f)

  1477.                                 {

  1478.                                     left  = -1.0f;

  1479.                                     right = (value*2.0f)+1.0f;

  1480.                                 }

  1481.                                 else if (value > 0.0f)

  1482.                                 {

  1483.                                     left  = (value*2.0f)-1.0f;

  1484.                                     right = 1.0f;

  1485.                                 }

  1486.                                 else

  1487.                                 {

  1488.                                     left  = -1.0f;

  1489.                                     right = 1.0f;

  1490.                                 }

  1491. 

  1492.                                 setBalanceLeftRT(left, true);

  1493.                                 setBalanceRightRT(right, true);

  1494.                             }

  1495.                         }

  1496. #endif

  1497.                         // Control plugin parameters

  1498.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1499.                         {

  1500.                             if (pData->param.data[k].midiChannel != event.channel)

  1501.                                 continue;

  1502.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1503.                                 continue;

  1504.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1505.                                 continue;

  1506.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1507.                                 continue;

  1508. 

  1509.                             float value;

  1510. 

  1511.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1512.                             {

  1513.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1514.                             }

  1515.                             else

  1516.                             {

  1517.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1518.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1519.                                 else

  1520.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1521. 

  1522.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1523.                                     value = std::rint(value);

  1524.                             }

  1525. 

  1526.                             setParameterValueRT(k, value, true);

  1527.                         }

  1528. 

  1529.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1530.                         {

  1531.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1532.                                 continue;

  1533. 

  1534.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1535. 

  1536.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1537. 

  1538.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1539.                             seqEvent.data.control.channel = event.channel;

  1540.                             seqEvent.data.control.param   = ctrlEvent.param;

  1541.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1542.                         }

  1543. 

  1544.                         break;

  1545.                     } // case kEngineControlEventTypeParameter

  1546. 

  1547.                     case kEngineControlEventTypeMidiBank:

  1548.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1549.                             nextBankId = ctrlEvent.param;

  1550.                         break;

  1551. 

  1552.                     case kEngineControlEventTypeMidiProgram:

  1553.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1554.                         {

  1555.                             const uint32_t nextProgramId = ctrlEvent.param;

  1556. 

  1557.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1558.                             {

  1559.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1560.                                 {

  1561.                                     setMidiProgramRT(k, true);

  1562.                                     break;

  1563.                                 }

  1564.                             }

  1565.                         }

  1566.                         break;

  1567. 

  1568.                     case kEngineControlEventTypeAllSoundOff:

  1569.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1570.                         {

  1571.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1572.                                 continue;

  1573. 

  1574.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1575. 

  1576.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1577. 

  1578.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1579.                             seqEvent.data.control.channel = event.channel;

  1580.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1581.                         }

  1582.                         break;

  1583. 

  1584.                     case kEngineControlEventTypeAllNotesOff:

  1585.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1586.                         {

  1587. #ifndef BUILD_BRIDGE

  1588.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1589.                             {

  1590.                                 allNotesOffSent = true;

  1591.                                 postponeRtAllNotesOff();

  1592.                             }

  1593. #endif

  1594. 

  1595.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1596.                                 continue;

  1597. 

  1598.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1599. 

  1600.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1601. 

  1602.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1603.                             seqEvent.data.control.channel = event.channel;

  1604.                             seqEvent.data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1605.                         }

  1606.                         break;

  1607.                     } // switch (ctrlEvent.type)

  1608.                     break;

  1609.                 } // case kEngineEventTypeControl

  1610. 

  1611.                 case kEngineEventTypeMidi: {

  1612.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1613.                         continue;

  1614. 

  1615.                     const EngineMidiEvent& midiEvent(event.midi);

  1616. 

  1617.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1618.                         continue;

  1619. 

  1620.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1621. 

  1622.                     // Fix bad note-off (per DSSI spec)

  1623.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1624.                         status = MIDI_STATUS_NOTE_OFF;

  1625. 

  1626.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1627. 

  1628.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1629. 

  1630.                     switch (status)

  1631.                     {

  1632.                     case MIDI_STATUS_NOTE_OFF: {

  1633.                         const uint8_t note = midiEvent.data[1];

  1634. 

  1635.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

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

  1637.                         seqEvent.data.note.note    = note;

  1638. 

  1639.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, true, event.channel, note, 0, 0.0f);

  1640.                         break;

  1641.                     }

  1642. 

  1643.                     case MIDI_STATUS_NOTE_ON: {

  1644.                         const uint8_t note = midiEvent.data[1];

  1645.                         const uint8_t velo = midiEvent.data[2];

  1646. 

  1647.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

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

  1649.                         seqEvent.data.note.note     = note;

  1650.                         seqEvent.data.note.velocity = velo;

  1651. 

  1652.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, true, event.channel, note, velo, 0.0f);

  1653.                         break;

  1654.                     }

  1655. 

  1656.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1657.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1658.                         {

  1659.                             const uint8_t note     = midiEvent.data[1];

  1660.                             const uint8_t pressure = midiEvent.data[2];

  1661. 

  1662.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

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

  1665.                             seqEvent.data.note.velocity = pressure;

  1666.                         }

  1667.                         break;

  1668. 

  1669.                     case MIDI_STATUS_CONTROL_CHANGE:

  1670.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1671.                         {

  1672.                             const uint8_t control = midiEvent.data[1];

  1673.                             const uint8_t value   = midiEvent.data[2];

  1674. 

  1675.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1676.                             seqEvent.data.control.channel = event.channel;

  1677.                             seqEvent.data.control.param   = control;

  1678.                             seqEvent.data.control.value   = value;

  1679.                         }

  1680.                         break;

  1681. 

  1682.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1683.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1684.                         {

  1685.                             const uint8_t pressure = midiEvent.data[1];

  1686. 

  1687.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1688.                             seqEvent.data.control.channel = event.channel;

  1689.                             seqEvent.data.control.value   = pressure;

  1690.                         }

  1691.                         break;

  1692. 

  1693.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1694.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1695.                         {

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

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

  1698. 

  1699.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

  1701.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1702.                         }

  1703.                         break;

  1704. 

  1705.                     default:

  1706.                         --midiEventCount;

  1707.                         break;

  1708.                     } // switch (status)

  1709.                 } break;

  1710.                 } // switch (event.type)

  1711.             }

  1712. 

  1713.             pData->postRtEvents.trySplice();

  1714. 

  1715.             if (frames > timeOffset)

  1716.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1717. 

  1718.         } // End of Event Input and Processing

  1719. 

  1720.         // --------------------------------------------------------------------------------------------------------

  1721.         // Plugin processing (no events)

  1722. 

  1723.         else

  1724.         {

  1725.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1726. 

  1727.         } // End of Plugin processing (no events)

  1728. 

  1729.         // --------------------------------------------------------------------------------------------------------

  1730.         // Control Output

  1731. 

  1732.         if (pData->event.portOut != nullptr)

  1733.         {

  1734.             uint8_t  channel;

  1735.             uint16_t param;

  1736.             float    value;

  1737. 

  1738.             for (uint32_t k=0; k < pData->param.count; ++k)

  1739.             {

  1740.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1741.                     continue;

  1742. 

  1743.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1744. 

  1745.                 if (pData->param.data[k].midiCC > 0)

  1746.                 {

  1747.                     channel = pData->param.data[k].midiChannel;

  1748.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1749.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1750.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1751.                 }

  1752.             }

  1753.         } // End of Control Output

  1754.     }

  1755. 

  1756.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1757.                        const uint32_t timeOffset, const ulong midiEventCount)

  1758.     {

  1759.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1760. 

  1761.         if (pData->audioIn.count > 0)

  1762.         {

  1763.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1764.         }

  1765.         if (pData->audioOut.count > 0)

  1766.         {

  1767.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1768.         }

  1769. 

  1770.         // --------------------------------------------------------------------------------------------------------

  1771.         // Try lock, silence otherwise

  1772. 

  1773. #ifndef STOAT_TEST_BUILD

  1774.         if (pData->engine->isOffline())

  1775.         {

  1776.             pData->singleMutex.lock();

  1777.         }

  1778.         else

  1779. #endif

  1780.         if (! pData->singleMutex.tryLock())

  1781.         {

  1782.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1783.             {

  1784.                 for (uint32_t k=0; k < frames; ++k)

  1785.                     audioOut[i][k+timeOffset] = 0.0f;

  1786.             }

  1787. 

  1788.             return false;

  1789.         }

  1790. 

  1791.         // --------------------------------------------------------------------------------------------------------

  1792.         // Set audio buffers

  1793. 

  1794.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1795.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1796. 

  1797.         if (! customMonoOut)

  1798.         {

  1799.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1800.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1801.         }

  1802. 

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

  1804.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1805. 

  1806.         // --------------------------------------------------------------------------------------------------------

  1807.         // Run plugin

  1808. 

  1809.         uint instn = 0;

  1810.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1811.         {

  1812.             LADSPA_Handle const handle(it.getValue(nullptr));

  1813.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1814. 

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

  1816.             // Mixdown for forced stereo

  1817. 

  1818.             if (customMonoOut)

  1819.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1820. 

  1821.             // ----------------------------------------------------------------------------------------------------

  1822.             // Run it

  1823. 

  1824.             if (fDssiDescriptor->run_synth != nullptr)

  1825.             {

  1826.                 try {

  1827.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1828.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1829.             }

  1830.             else

  1831.             {

  1832.                 try {

  1833.                     fDescriptor->run(handle, frames);

  1834.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1835.             }

  1836. 

  1837.             // ----------------------------------------------------------------------------------------------------

  1838.             // Mixdown for forced stereo

  1839. 

  1840.             if (customMonoOut)

  1841.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1842.             else if (customStereoOut)

  1843.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1844.         }

  1845. 

  1846.         if (customStereoOut)

  1847.         {

  1848.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1849.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1850.         }

  1851. 

  1852. #ifndef BUILD_BRIDGE

  1853.         // --------------------------------------------------------------------------------------------------------

  1854.         // Post-processing (dry/wet, volume and balance)

  1855. 

  1856.         {

  1857.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1858.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1859.             const bool isMono    = (pData->audioIn.count == 1);

  1860. 

  1861.             bool isPair;

  1862.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1863. 

  1864.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1865.             {

  1866.                 // Dry/Wet

  1867.                 if (doDryWet)

  1868.                 {

  1869.                     const uint32_t c = isMono ? 0 : i;

  1870. 

  1871.                     for (uint32_t k=0; k < frames; ++k)

  1872.                     {

  1873.                         if (k < pData->latency.frames && pData->latency.buffers != nullptr)

  1874.                             bufValue = pData->latency.buffers[c][k];

  1875.                         else if (pData->latency.frames < frames)

  1876.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1877.                         else

  1878.                             bufValue = fAudioInBuffers[c][k];

  1879. 

  1880.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1881.                     }

  1882.                 }

  1883. 

  1884.                 // Balance

  1885.                 if (doBalance)

  1886.                 {

  1887.                     isPair = (i % 2 == 0);

  1888. 

  1889.                     if (isPair)

  1890.                     {

  1891.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1892.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1893.                     }

  1894. 

  1895.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1896.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1897. 

  1898.                     for (uint32_t k=0; k < frames; ++k)

  1899.                     {

  1900.                         if (isPair)

  1901.                         {

  1902.                             // left

  1903.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1904.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1905.                         }

  1906.                         else

  1907.                         {

  1908.                             // right

  1909.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1910.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1911.                         }

  1912.                     }

  1913.                 }

  1914. 

  1915.                 // Volume (and buffer copy)

  1916.                 {

  1917.                     for (uint32_t k=0; k < frames; ++k)

  1918.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1919.                 }

  1920.             }

  1921. 

  1922.         } // End of Post-processing

  1923. 

  1924.         // --------------------------------------------------------------------------------------------------------

  1925.         // Save latency values for next callback

  1926. 

  1927.         if (pData->latency.frames != 0 && pData->latency.buffers != nullptr)

  1928.         {

  1929.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1930.             const uint32_t latframes = pData->latency.frames;

  1931. 

  1932.             if (latframes <= frames)

  1933.             {

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

  1935.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1936.             }

  1937.             else

  1938.             {

  1939.                 const uint32_t diff = latframes - frames;

  1940. 

  1941.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1942.                 {

  1943.                     // push back buffer by 'frames'

  1944.                     for (k=0; k < diff; ++k)

  1945.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1946. 

  1947.                     // put current input at the end

  1948.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1949.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1950.                 }

  1951.             }

  1952.         }

  1953. 

  1954. #else // BUILD_BRIDGE

  1955.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1956.         {

  1957.             for (uint32_t k=0; k < frames; ++k)

  1958.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1959.         }

  1960. #endif

  1961. 

  1962.         // --------------------------------------------------------------------------------------------------------

  1963. 

  1964.         pData->singleMutex.unlock();

  1965.         return true;

  1966.     }

  1967. 

  1968.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1969.     {

  1970.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1971.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1972. 

  1973.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1974.         {

  1975.             if (fAudioInBuffers[i] != nullptr)

  1976.                 delete[] fAudioInBuffers[i];

  1977. 

  1978.             fAudioInBuffers[i] = new float[newBufferSize];

  1979.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1980.         }

  1981. 

  1982.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1983.         {

  1984.             if (fAudioOutBuffers[i] != nullptr)

  1985.                 delete[] fAudioOutBuffers[i];

  1986. 

  1987.             fAudioOutBuffers[i] = new float[newBufferSize];

  1988.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  1989.         }

  1990. 

  1991.         if (fExtraStereoBuffer[0] != nullptr)

  1992.         {

  1993.             delete[] fExtraStereoBuffer[0];

  1994.             fExtraStereoBuffer[0] = nullptr;

  1995.         }

  1996. 

  1997.         if (fExtraStereoBuffer[1] != nullptr)

  1998.         {

  1999.             delete[] fExtraStereoBuffer[1];

  2000.             fExtraStereoBuffer[1] = nullptr;

  2001.         }

  2002. 

  2003.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2004.         {

  2005.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2006.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2007.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2008.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2009.         }

  2010. 

  2011.         reconnectAudioPorts();

  2012. 

  2013.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2014.     }

  2015. 

  2016.     void sampleRateChanged(const double newSampleRate) override

  2017.     {

  2018.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2019.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2020. 

  2021.         // TODO - handle UI stuff

  2022. 

  2023.         if (pData->active)

  2024.             deactivate();

  2025. 

  2026.         const std::size_t instanceCount(fHandles.count());

  2027. 

  2028.         if (fDescriptor->cleanup != nullptr)

  2029.         {

  2030.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2031.             {

  2032.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2033.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2034. 

  2035.                 try {

  2036.                     fDescriptor->cleanup(handle);

  2037.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2038.             }

  2039.         }

  2040. 

  2041.         fHandles.clear();

  2042. 

  2043.         for (std::size_t i=0; i<instanceCount; ++i)

  2044.             addInstance();

  2045. 

  2046.         reconnectAudioPorts();

  2047. 

  2048.         if (pData->active)

  2049.             activate();

  2050. 

  2051.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2052.     }

  2053. 

  2054.     void reconnectAudioPorts() const noexcept

  2055.     {

  2056.         if (fForcedStereoIn)

  2057.         {

  2058.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2059.             {

  2060.                 try {

  2061.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2062.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2063.             }

  2064. 

  2065.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2066.             {

  2067.                 try {

  2068.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2069.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2070.             }

  2071.         }

  2072.         else

  2073.         {

  2074.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2075.             {

  2076.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2077.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2078. 

  2079.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2080.                 {

  2081.                     try {

  2082.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2083.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2084.                 }

  2085.             }

  2086.         }

  2087. 

  2088.         if (fForcedStereoOut)

  2089.         {

  2090.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2091.             {

  2092.                 try {

  2093.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2094.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2095.             }

  2096. 

  2097.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2098.             {

  2099.                 try {

  2100.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2101.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2102.             }

  2103.         }

  2104.         else

  2105.         {

  2106.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2107.             {

  2108.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2109.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2110. 

  2111.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2112.                 {

  2113.                     try {

  2114.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2115.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2116.                 }

  2117.             }

  2118.         }

  2119.     }

  2120. 

  2121.     // -------------------------------------------------------------------

  2122.     // Plugin buffers

  2123. 

  2124.     void clearBuffers() noexcept override

  2125.     {

  2126.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2127. 

  2128.         if (fAudioInBuffers != nullptr)

  2129.         {

  2130.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2131.             {

  2132.                 if (fAudioInBuffers[i] != nullptr)

  2133.                 {

  2134.                     delete[] fAudioInBuffers[i];

  2135.                     fAudioInBuffers[i] = nullptr;

  2136.                 }

  2137.             }

  2138. 

  2139.             delete[] fAudioInBuffers;

  2140.             fAudioInBuffers = nullptr;

  2141.         }

  2142. 

  2143.         if (fAudioOutBuffers != nullptr)

  2144.         {

  2145.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2146.             {

  2147.                 if (fAudioOutBuffers[i] != nullptr)

  2148.                 {

  2149.                     delete[] fAudioOutBuffers[i];

  2150.                     fAudioOutBuffers[i] = nullptr;

  2151.                 }

  2152.             }

  2153. 

  2154.             delete[] fAudioOutBuffers;

  2155.             fAudioOutBuffers = nullptr;

  2156.         }

  2157. 

  2158.         if (fExtraStereoBuffer[0] != nullptr)

  2159.         {

  2160.             delete[] fExtraStereoBuffer[0];

  2161.             fExtraStereoBuffer[0] = nullptr;

  2162.         }

  2163. 

  2164.         if (fExtraStereoBuffer[1] != nullptr)

  2165.         {

  2166.             delete[] fExtraStereoBuffer[1];

  2167.             fExtraStereoBuffer[1] = nullptr;

  2168.         }

  2169. 

  2170.         if (fParamBuffers != nullptr)

  2171.         {

  2172.             delete[] fParamBuffers;

  2173.             fParamBuffers = nullptr;

  2174.         }

  2175. 

  2176.         CarlaPlugin::clearBuffers();

  2177. 

  2178.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2179.     }

  2180. 

  2181. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2182.     // -------------------------------------------------------------------

  2183.     // OSC stuff

  2184. 

  2185.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2186.     {

  2187.         const lo_address source(lo_message_get_source(msg));

  2188.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2189. 

  2190.         // protocol for DSSI UIs *must* be UDP

  2191.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2192. 

  2193.         if (fOscData.source == nullptr)

  2194.         {

  2195.             // if no UI is registered yet only "configure" and "update" messages are valid

  2196.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2197.         }

  2198.         else

  2199.         {

  2200.             // make sure message source is the DSSI UI

  2201.             const char* const msghost = lo_address_get_hostname(source);

  2202.             const char* const msgport = lo_address_get_port(source);

  2203. 

  2204.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2205.             const char* const ourport = lo_address_get_port(fOscData.source);

  2206. 

  2207.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2208.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2209.         }

  2210. 

  2211.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2212. 

  2213.         if (std::strcmp(method, "configure") == 0)

  2214.             return handleOscMessageConfigure(argc, argv, types);

  2215.         if (std::strcmp(method, "control") == 0)

  2216.             return handleOscMessageControl(argc, argv, types);

  2217.         if (std::strcmp(method, "program") == 0)

  2218.             return handleOscMessageProgram(argc, argv, types);

  2219.         if (std::strcmp(method, "midi") == 0)

  2220.             return handleOscMessageMIDI(argc, argv, types);

  2221.         if (std::strcmp(method, "update") == 0)

  2222.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2223.         if (std::strcmp(method, "exiting") == 0)

  2224.             return handleOscMessageExiting();

  2225. 

  2226.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2227.     }

  2228. 

  2229.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2230.     {

  2231.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2232.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2233. 

  2234.         const char* const key   = (const char*)&argv[0]->s;

  2235.         const char* const value = (const char*)&argv[1]->s;

  2236. 

  2237.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2238.     }

  2239. 

  2240.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2241.     {

  2242.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2243.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2244. 

  2245.         const int32_t rindex = argv[0]->i;

  2246.         const float   value  = argv[1]->f;

  2247. 

  2248.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2249.     }

  2250. 

  2251.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2252.     {

  2253.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2254.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2255. 

  2256.         const int32_t bank    = argv[0]->i;

  2257.         const int32_t program = argv[1]->i;

  2258. 

  2259.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2260.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2261. 

  2262.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2263.     }

  2264. 

  2265.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2266.     {

  2267.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2268.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2269. 

  2270.         if (getMidiInCount() == 0)

  2271.         {

  2272.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2273.             return;

  2274.         }

  2275. 

  2276.         const uint8_t* const data = argv[0]->m;

  2277.         uint8_t status  = data[1];

  2278.         uint8_t channel = status & 0x0F;

  2279. 

  2280.         // Fix bad note-off

  2281.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2282.             status = MIDI_STATUS_NOTE_OFF;

  2283. 

  2284.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2285.         {

  2286.             const uint8_t note = data[2];

  2287. 

  2288.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2289. 

  2290.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2291.         }

  2292.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2293.         {

  2294.             const uint8_t note = data[2];

  2295.             const uint8_t velo = data[3];

  2296. 

  2297.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2298.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2299. 

  2300.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2301.         }

  2302.     }

  2303. 

  2304.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2305.     {

  2306.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2307.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2308. 

  2309.         const char* const url = (const char*)&argv[0]->s;

  2310. 

  2311.         // FIXME - remove debug prints later

  2312.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2313. 

  2314.         fOscData.clear();

  2315. 

  2316.         const int proto = lo_address_get_protocol(source);

  2317. 

  2318.         {

  2319.             const char* host = lo_address_get_hostname(source);

  2320.             const char* port = lo_address_get_port(source);

  2321.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2322. 

  2323.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2324.         }

  2325. 

  2326.         {

  2327.             char* host = lo_url_get_hostname(url);

  2328.             char* port = lo_url_get_port(url);

  2329.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2330.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2331.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2332. 

  2333.             std::free(host);

  2334.             std::free(port);

  2335.         }

  2336. 

  2337.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2338. 

  2339.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2340.         {

  2341.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2342.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2343. 

  2344.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2345.                 osc_send_configure(fOscData, customData.key, customData.value);

  2346.         }

  2347. 

  2348.         if (pData->prog.current >= 0)

  2349.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2350. 

  2351.         if (pData->midiprog.current >= 0)

  2352.         {

  2353.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2354.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2355.         }

  2356. 

  2357.         for (uint32_t i=0; i < pData->param.count; ++i)

  2358.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2359. 

  2360. #ifndef BUILD_BRIDGE

  2361.         if (pData->engine->getOptions().frontendWinId != 0)

  2362.             pData->transientTryCounter = 1;

  2363. #endif

  2364. 

  2365.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2366.     }

  2367. 

  2368.     void handleOscMessageExiting()

  2369.     {

  2370.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2371. 

  2372.         // hide UI

  2373.         showCustomUI(false);

  2374. 

  2375.         // tell frontend

  2376.         pData->engine->callback(true, true,

  2377.                                 ENGINE_CALLBACK_UI_STATE_CHANGED,

  2378.                                 pData->id,

  2379.                                 0,

  2380.                                 0, 0, 0.0f, nullptr);

  2381.     }

  2382. 

  2383.     // -------------------------------------------------------------------

  2384.     // Post-poned UI Stuff

  2385. 

  2386.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2387.     {

  2388.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2389. 

  2390.         if (fOscData.target == nullptr)

  2391.             return;

  2392. 

  2393.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2394.     }

  2395. 

  2396.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2397.     {

  2398.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2399. 

  2400.         if (fOscData.target == nullptr)

  2401.             return;

  2402. 

  2403.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2404.     }

  2405. 

  2406.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2407.     {

  2408.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2409.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2410.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2411. 

  2412.         if (fOscData.target == nullptr)

  2413.             return;

  2414. 

  2415. #if 0

  2416.         uint8_t midiData[4];

  2417.         midiData[0] = 0;

  2418.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2419.         midiData[2] = note;

  2420.         midiData[3] = velo;

  2421. 

  2422.         osc_send_midi(fOscData, midiData);

  2423. #endif

  2424.     }

  2425. 

  2426.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2427.     {

  2428.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2429.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2430. 

  2431.         if (fOscData.target == nullptr)

  2432.             return;

  2433. 

  2434. #if 0

  2435.         uint8_t midiData[4];

  2436.         midiData[0] = 0;

  2437.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2438.         midiData[2] = note;

  2439.         midiData[3] = 0;

  2440. 

  2441.         osc_send_midi(fOscData, midiData);

  2442. #endif

  2443.     }

  2444. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2445. 

  2446.     // -------------------------------------------------------------------

  2447. 

  2448.     const void* getNativeDescriptor() const noexcept override

  2449.     {

  2450.         return fDssiDescriptor;

  2451.     }

  2452. 

  2453. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2454.     uintptr_t getUiBridgeProcessId() const noexcept override

  2455.     {

  2456.         return fThreadUI.getProcessId();

  2457.     }

  2458. 

  2459.     const void* getExtraStuff() const noexcept override

  2460.     {

  2461.         return fUiFilename;

  2462.     }

  2463. #endif

  2464. 

  2465.     // -------------------------------------------------------------------

  2466. 

  2467.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2468.     {

  2469.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2470. 

  2471.         // ---------------------------------------------------------------

  2472.         // first checks

  2473. 

  2474.         if (pData->client != nullptr)

  2475.         {

  2476.             pData->engine->setLastError("Plugin client is already registered");

  2477.             return false;

  2478.         }

  2479. 

  2480.         if (filename == nullptr || filename[0] == '\0')

  2481.         {

  2482.             pData->engine->setLastError("null filename");

  2483.             return false;

  2484.         }

  2485. 

  2486.         // ---------------------------------------------------------------

  2487.         // open DLL

  2488. 

  2489.         if (! pData->libOpen(filename))

  2490.         {

  2491.             pData->engine->setLastError(pData->libError(filename));

  2492.             return false;

  2493.         }

  2494. 

  2495.         // ---------------------------------------------------------------

  2496.         // get DLL main entry

  2497. 

  2498.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2499. 

  2500.         if (descFn == nullptr)

  2501.         {

  2502.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2503.             return false;

  2504.         }

  2505. 

  2506.         // ---------------------------------------------------------------

  2507.         // get descriptor that matches label

  2508. 

  2509.         // if label is null, get first valid plugin

  2510.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2511. 

  2512.         for (ulong d=0;; ++d)

  2513.         {

  2514.             try {

  2515.                 fDssiDescriptor = descFn(d);

  2516.             }

  2517.             catch(...) {

  2518.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2519.                 fDescriptor     = nullptr;

  2520.                 fDssiDescriptor = nullptr;

  2521.                 break;

  2522.             }

  2523. 

  2524.             if (fDssiDescriptor == nullptr)

  2525.                 break;

  2526. 

  2527.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2528. 

  2529.             if (fDescriptor == nullptr)

  2530.             {

  2531.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2532.                 fDssiDescriptor = nullptr;

  2533.                 break;

  2534.             }

  2535.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2536.             {

  2537.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2538.                 fDescriptor     = nullptr;

  2539.                 fDssiDescriptor = nullptr;

  2540.                 break;

  2541.             }

  2542.             if (fDescriptor->run == nullptr)

  2543.             {

  2544.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2545.                 fDescriptor     = nullptr;

  2546.                 fDssiDescriptor = nullptr;

  2547.                 break;

  2548.             }

  2549. 

  2550.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2551.                 break;

  2552.         }

  2553. 

  2554.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2555.         {

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

  2557.             return false;

  2558.         }

  2559. 

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

  2561.         // check if uses global instance

  2562. 

  2563.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2564.         {

  2565.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2566.             return false;

  2567.         }

  2568. 

  2569.         // ---------------------------------------------------------------

  2570.         // check for fixed buffer size requirement

  2571. 

  2572.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2573. 

  2574.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2575.         {

  2576.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2577.                                         "The plugin requires a fixed block size which is not possible right now.");

  2578.             return false;

  2579.         }

  2580. 

  2581.         // ---------------------------------------------------------------

  2582.         // get info

  2583. 

  2584.         if (name == nullptr || name[0] == '\0')

  2585.         {

  2586.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2587.                 name = fDescriptor->Name;

  2588.             else

  2589.                 name = fDescriptor->Label;

  2590.         }

  2591. 

  2592.         pData->name = pData->engine->getUniquePluginName(name);

  2593.         pData->filename = carla_strdup(filename);

  2594. 

  2595.         // ---------------------------------------------------------------

  2596.         // register client

  2597. 

  2598.         pData->client = pData->engine->addClient(this);

  2599. 

  2600.         if (pData->client == nullptr || ! pData->client->isOk())

  2601.         {

  2602.             pData->engine->setLastError("Failed to register plugin client");

  2603.             return false;

  2604.         }

  2605. 

  2606.         // ---------------------------------------------------------------

  2607.         // initialize plugin

  2608. 

  2609.         if (! addInstance())

  2610.             return false;

  2611. 

  2612.         // ---------------------------------------------------------------

  2613.         // find latency port index

  2614. 

  2615.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2616.         {

  2617.             const int portType(fDescriptor->PortDescriptors[i]);

  2618. 

  2619.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2620.                 continue;

  2621. 

  2622.             const uint32_t index(iCtrl++);

  2623. 

  2624.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2625.                 continue;

  2626. 

  2627.             const char* const portName(fDescriptor->PortNames[i]);

  2628.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2629. 

  2630.             if (std::strcmp(portName, "latency")  == 0 ||

  2631.                 std::strcmp(portName, "_latency") == 0)

  2632.             {

  2633.                 fLatencyIndex = static_cast<int32_t>(index);

  2634.                 break;

  2635.             }

  2636.         }

  2637. 

  2638.         // ---------------------------------------------------------------

  2639.         // check for custom data extension

  2640. 

  2641.         if (fDssiDescriptor->configure != nullptr)

  2642.         {

  2643.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2644.             {

  2645.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2646.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2647.                     fUsesCustomData = true;

  2648. 

  2649.                 std::free(error);

  2650.             }

  2651.         }

  2652. 

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

  2654.         // get engine options

  2655. 

  2656.         const EngineOptions& opts(pData->engine->getOptions());

  2657. 

  2658. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

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

  2660.         // check for gui

  2661. 

  2662.         if (opts.oscEnabled && opts.oscPortUDP >= 0)

  2663.         {

  2664.             if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2665.             {

  2666.                 fUiFilename = guiFilename;

  2667.                 fThreadUI.setData(guiFilename, fDescriptor->Label);

  2668.             }

  2669.         }

  2670. #endif

  2671. 

  2672.         // ---------------------------------------------------------------

  2673.         // set default options

  2674. 

  2675.         pData->options = 0x0;

  2676. 

  2677.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2678.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2679.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2680.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2681. 

  2682.         /**/ if (opts.forceStereo)

  2683.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2684.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2685.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2686. 

  2687.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2688.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2689. 

  2690.         if (fUsesCustomData)

  2691.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2692. 

  2693.         if (fDssiDescriptor->run_synth != nullptr)

  2694.         {

  2695.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2696.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2697.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2698.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2699. 

  2700.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2701.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2702.         }

  2703. 

  2704.         return true;

  2705.     }

  2706. 

  2707.     // -------------------------------------------------------------------

  2708. 

  2709. private:

  2710.     LinkedList<LADSPA_Handle> fHandles;

  2711.     const LADSPA_Descriptor*  fDescriptor;

  2712.     const DSSI_Descriptor*    fDssiDescriptor;

  2713. 

  2714.     float** fAudioInBuffers;

  2715.     float** fAudioOutBuffers;

  2716.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2717.     float*  fParamBuffers;

  2718. 

  2719.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2720. 

  2721.     int32_t fLatencyIndex; // -1 if invalid

  2722.     bool    fForcedStereoIn;

  2723.     bool    fForcedStereoOut;

  2724.     bool    fNeedsFixedBuffers;

  2725.     bool    fUsesCustomData;

  2726. 

  2727. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2728.     CarlaOscData      fOscData;

  2729.     CarlaThreadDSSIUI fThreadUI;

  2730.     const char*       fUiFilename;

  2731. #endif

  2732. 

  2733.     // -------------------------------------------------------------------

  2734. 

  2735.     bool addInstance()

  2736.     {

  2737.         LADSPA_Handle handle;

  2738. 

  2739.         try {

  2740.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2741.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2742. 

  2743.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2744.         {

  2745.             const int32_t rindex(pData->param.data[i].rindex);

  2746.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2747. 

  2748.             try {

  2749.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2750.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2751.         }

  2752. 

  2753.         if (fHandles.append(handle))

  2754.             return true;

  2755. 

  2756.         try {

  2757.             fDescriptor->cleanup(handle);

  2758.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2759. 

  2760.         pData->engine->setLastError("Out of memory");

  2761.         return false;

  2762.     }

  2763. 

  2764.     uint32_t getSafePortCount() const noexcept

  2765.     {

  2766.         if (fDescriptor->PortCount == 0)

  2767.             return 0;

  2768. 

  2769.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2770.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2771.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2772. 

  2773.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2774.     }

  2775. 

  2776.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2777.     {

  2778.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2779.             return true;

  2780.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2781.             return true;

  2782.         return false;

  2783.     }

  2784. 

  2785.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2786.                                                      const bool wantName, const bool useBracket) noexcept

  2787.     {

  2788.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2789. 

  2790.         if (sepBracketStart == nullptr)

  2791.             return false;

  2792. 

  2793.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2794. 

  2795.         if (sepBracketEnd == nullptr)

  2796.             return false;

  2797. 

  2798.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2799. 

  2800.         if (unitSize > 7) // very unlikely to have such big unit

  2801.             return false;

  2802. 

  2803.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2804. 

  2805.         // just in case

  2806.         if (sepIndex+2 >= STR_MAX)

  2807.             return false;

  2808. 

  2809.         if (wantName)

  2810.         {

  2811.             std::strncpy(strBuf, paramName, sepIndex);

  2812.             strBuf[sepIndex] = '\0';

  2813.         }

  2814.         else

  2815.         {

  2816.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2817.             strBuf[unitSize] = '\0';

  2818.         }

  2819. 

  2820.         return true;

  2821.     }

  2822. 

  2823.     // -------------------------------------------------------------------

  2824. 

  2825.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2826. };

  2827. 

  2828. // -------------------------------------------------------------------------------------------------------------------

  2829. 

  2830. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2831. {

  2832.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2833.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2834. 

  2835.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2836. 

  2837.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2838.     {

  2839.         delete plugin;

  2840.         return nullptr;

  2841.     }

  2842. 

  2843.     return plugin;

  2844. }

  2845. 

  2846. // -------------------------------------------------------------------------------------------------------------------

  2847. 

  2848. CARLA_BACKEND_END_NAMESPACE