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

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  1. /*

  2.  * Carla Plugin, DSSI implementation

  3.  * Copyright (C) 2011-2019 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(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED,

  116.                               kPlugin->getId(),

  117.                               0,

  118.                               0, 0, 0.0f, nullptr);

  119.             return;

  120.         }

  121. 

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

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

  124. 

  125.         if (name.isEmpty())

  126.             name = "(none)";

  127. 

  128.         if (filename.isEmpty())

  129.             filename = "\"\"";

  130. 

  131.         StringArray arguments;

  132. 

  133.         // binary

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

  135. 

  136.         // osc-url

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

  138. 

  139.         // filename

  140.         arguments.add(filename);

  141. 

  142.         // label

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

  144. 

  145.         // ui-title

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

  147. 

  148.         bool started;

  149. 

  150.         {

  151. #ifdef CARLA_OS_LINUX

  152.             /*

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

  154.              * If not, unset LD_PRELOAD.

  155.              */

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

  157. 

  158.             // for CARLA_ENGINE_OPTION_FRONTEND_WIN_ID

  159.             char winIdStr[STR_MAX+1];

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

  161. 

  162.             // for LD_PRELOAD

  163.             CarlaString ldPreloadValue;

  164. 

  165.             if (winId != 0)

  166.             {

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

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

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

  170.             }

  171.             else

  172.             {

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

  174.             }

  175. 

  176.             const ScopedEngineEnvironmentLocker _seel(kEngine);

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

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

  179. #endif // CARLA_OS_LINUX

  180. 

  181.             // start the DSSI UI application

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

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

  184.         }

  185. 

  186.         if (! started)

  187.         {

  188.             carla_stdout("failed!");

  189.             fProcess = nullptr;

  190.             return;

  191.         }

  192. 

  193.         if (waitForOscGuiShow())

  194.         {

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

  196.                 carla_sleep(1);

  197. 

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

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

  200.             {

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

  202. 

  203.                 if (fProcess->isRunning())

  204.                 {

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

  206.                     fProcess->kill();

  207.                 }

  208.                 else

  209.                 {

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

  211.                 }

  212.             }

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

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

  215.             else

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

  217.         }

  218.         else

  219.         {

  220.             fProcess->kill();

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

  222.         }

  223. 

  224.         fProcess = nullptr;

  225.         kEngine->callback(CarlaBackend::ENGINE_CALLBACK_UI_STATE_CHANGED,

  226.                           kPlugin->getId(),

  227.                           0,

  228.                           0, 0, 0.0f, nullptr);

  229. 

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

  231.     }

  232. 

  233. private:

  234.     CarlaEngine* const kEngine;

  235.     CarlaPlugin* const kPlugin;

  236. 

  237.     CarlaString fBinary;

  238.     CarlaString fLabel;

  239. 

  240.     const CarlaOscData&         fOscData;

  241.     ScopedPointer<ChildProcess> fProcess;

  242. 

  243.     bool waitForOscGuiShow()

  244.     {

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

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

  247. 

  248.         // wait for UI 'update' call

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

  250.         {

  251.             if (fOscData.target != nullptr)

  252.             {

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

  254.                 osc_send_show(fOscData);

  255.                 return true;

  256.             }

  257. 

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

  259.                 carla_msleep(100);

  260.             else

  261.                 return false;

  262.         }

  263. 

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

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

  266.         return false;

  267.     }

  268. 

  269.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaThreadDSSIUI)

  270. };

  271. #endif

  272. 

  273. // -----------------------------------------------------

  274. 

  275. class CarlaPluginDSSI : public CarlaPlugin

  276. {

  277. public:

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

  279.         : CarlaPlugin(engine, id),

  280.           fHandles(),

  281.           fDescriptor(nullptr),

  282.           fDssiDescriptor(nullptr),

  283.           fAudioInBuffers(nullptr),

  284.           fAudioOutBuffers(nullptr),

  285.           fExtraStereoBuffer(),

  286.           fParamBuffers(nullptr),

  287.           fLatencyIndex(-1),

  288.           fForcedStereoIn(false),

  289.           fForcedStereoOut(false),

  290.           fNeedsFixedBuffers(false),

  291.           fUsesCustomData(false)

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

  293.         , fOscData(),

  294.           fThreadUI(engine, this, fOscData),

  295.           fUiFilename(nullptr)

  296. #endif

  297.     {

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

  299. 

  300.         carla_zeroPointers(fExtraStereoBuffer, 2);

  301.     }

  302. 

  303.     ~CarlaPluginDSSI() noexcept override

  304.     {

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

  306. 

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

  308.         // close UI

  309.         if (fUiFilename != nullptr)

  310.         {

  311.             showCustomUI(false);

  312. 

  313.             delete[] fUiFilename;

  314.             fUiFilename = nullptr;

  315.         }

  316. #endif

  317. 

  318.         pData->singleMutex.lock();

  319.         pData->masterMutex.lock();

  320. 

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

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

  323. 

  324.         if (pData->active)

  325.         {

  326.             deactivate();

  327.             pData->active = false;

  328.         }

  329. 

  330.         if (fDescriptor != nullptr)

  331.         {

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

  333.             {

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

  335.                 {

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

  337.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  338. 

  339.                     try {

  340.                         fDescriptor->cleanup(handle);

  341.                     } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  342.                 }

  343.             }

  344. 

  345.             fHandles.clear();

  346.             fDescriptor = nullptr;

  347.             fDssiDescriptor = nullptr;

  348.         }

  349. 

  350.         clearBuffers();

  351.     }

  352. 

  353.     // -------------------------------------------------------------------

  354.     // Information (base)

  355. 

  356.     PluginType getType() const noexcept override

  357.     {

  358.         return PLUGIN_DSSI;

  359.     }

  360. 

  361.     PluginCategory getCategory() const noexcept override

  362.     {

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

  364. 

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

  366.             return PLUGIN_CATEGORY_SYNTH;

  367. 

  368.         return CarlaPlugin::getCategory();

  369.     }

  370. 

  371.     int64_t getUniqueId() const noexcept override

  372.     {

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

  374. 

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

  376.     }

  377. 

  378.     uint32_t getLatencyInFrames() const noexcept override

  379.     {

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

  381.             return 0;

  382. 

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

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

  385. 

  386.         return static_cast<uint32_t>(latency);

  387.     }

  388. 

  389.     // -------------------------------------------------------------------

  390.     // Information (count)

  391. 

  392.     // nothing

  393. 

  394.     // -------------------------------------------------------------------

  395.     // Information (current data)

  396. 

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

  398.     {

  399.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0);

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

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

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

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

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

  405. 

  406.         *dataPtr = nullptr;

  407. 

  408.         int ret = 0;

  409.         ulong dataSize = 0;

  410. 

  411.         try {

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

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

  414. 

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

  416.     }

  417. 

  418.     // -------------------------------------------------------------------

  419.     // Information (per-plugin data)

  420. 

  421.     uint getOptionsAvailable() const noexcept override

  422.     {

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

  424. 

  425.         uint options = 0x0;

  426. 

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

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

  429.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  430. 

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

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

  433.             pass();

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

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

  436.             options |= PLUGIN_OPTION_FORCE_STEREO;

  437. 

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

  439.             options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  440. 

  441.         if (fUsesCustomData)

  442.             options |= PLUGIN_OPTION_USE_CHUNKS;

  443. 

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

  445.         {

  446.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  447.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  448.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  449.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  450.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  451.         }

  452. 

  453.         return options;

  454.     }

  455. 

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

  457.     {

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

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

  460. 

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

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

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

  464. 

  465.         // not output, should be fine

  466.         return fParamBuffers[parameterId];

  467.     }

  468. 

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

  470.     {

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

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

  473. 

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

  475.     }

  476. 

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

  478.     {

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

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

  481. 

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

  483.     }

  484. 

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

  486.     {

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

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

  489. 

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

  491.     }

  492. 

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

  494.     {

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

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

  497. 

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

  499.     }

  500. 

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

  502.     {

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

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

  505. 

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

  507.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0,                                           nullStrBuf(strBuf));

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

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

  510. 

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

  512.             return;

  513. 

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

  515.     }

  516. 

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

  518.     {

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

  520. 

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

  522.         CARLA_SAFE_ASSERT_RETURN(rindex >= 0, nullStrBuf(strBuf));

  523. 

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

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

  526. 

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

  528.             return;

  529. 

  530.         nullStrBuf(strBuf);

  531.     }

  532. 

  533.     // -------------------------------------------------------------------

  534.     // Set data (state)

  535. 

  536.     // nothing

  537. 

  538.     // -------------------------------------------------------------------

  539.     // Set data (internal stuff)

  540. 

  541.     void setId(const uint newId) noexcept override

  542.     {

  543.         CarlaPlugin::setId(newId);

  544. 

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

  546.         // FIXME - must be RT safe

  547.         showCustomUI(false);

  548.     }

  549. 

  550.     // -------------------------------------------------------------------

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

  552. 

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

  554.     {

  555.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  557. 

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

  559.         fParamBuffers[parameterId] = fixedValue;

  560. 

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

  562.     }

  563. 

  564.     void setParameterValueRT(const uint32_t parameterId, const float value) noexcept override

  565.     {

  566.         CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,);

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

  568. 

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

  570.         fParamBuffers[parameterId] = fixedValue;

  571. 

  572.         CarlaPlugin::setParameterValueRT(parameterId, fixedValue);

  573.     }

  574. 

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

  576.     {

  577.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  580.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

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

  582. 

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

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

  585. 

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

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

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

  589. 

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

  591.         {

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

  593.             {

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

  595.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  596. 

  597.                 try {

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

  599.                 } CARLA_SAFE_EXCEPTION("DSSI setCustomData");

  600.             }

  601.         }

  602. 

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

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

  605.             osc_send_configure(fOscData, key, value);

  606. #endif

  607. 

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

  609.         {

  610.             const ScopedSingleProcessLocker spl(this, true);

  611.             reloadPrograms(false);

  612.         }

  613. 

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

  615.     }

  616. 

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

  618.     {

  619.         CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,);

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

  621.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

  623.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  624.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  625. 

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

  627.         {

  628.             const ScopedSingleProcessLocker spl(this, true);

  629. 

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

  631.             {

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

  633.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  634. 

  635.                 try {

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

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

  638.             }

  639.         }

  640. 

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

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

  643. #else

  644.         const bool sendOsc(false);

  645. #endif

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

  647.     }

  648. 

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

  650.     {

  651.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

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

  655. 

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

  657.         {

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

  659. 

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

  661.         }

  662. 

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

  664.     }

  665. 

  666.     void setMidiProgramRT(const uint32_t uindex) noexcept override

  667.     {

  668.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  671. 

  672.         setMidiProgramInDSSI(uindex);

  673. 

  674.         CarlaPlugin::setMidiProgramRT(uindex);

  675.     }

  676. 

  677.     void setMidiProgramInDSSI(const uint32_t uindex) noexcept

  678.     {

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

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

  681. 

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

  683.         {

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

  685.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  686. 

  687.             try {

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

  689.             } CARLA_SAFE_EXCEPTION("DSSI setMidiProgram")

  690.         }

  691.     }

  692. 

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

  694.     // -------------------------------------------------------------------

  695.     // Set ui stuff

  696. 

  697.     void showCustomUI(const bool yesNo) override

  698.     {

  699.         if (yesNo)

  700.         {

  701.             fOscData.clear();

  702.             fThreadUI.startThread();

  703.         }

  704.         else

  705.         {

  706. #ifndef BUILD_BRIDGE

  707.             pData->transientTryCounter = 0;

  708. #endif

  709. 

  710.             if (fOscData.target != nullptr)

  711.             {

  712.                 osc_send_hide(fOscData);

  713.                 osc_send_quit(fOscData);

  714.                 fOscData.clear();

  715.             }

  716. 

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

  718.         }

  719.     }

  720. #endif

  721. 

  722.     // -------------------------------------------------------------------

  723.     // Plugin state

  724. 

  725.     void reload() override

  726.     {

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

  728.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  729.         CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,);

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

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

  732. 

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

  734. 

  735.         // Safely disable plugin for reload

  736.         const ScopedDisabler sd(this);

  737. 

  738.         if (pData->active)

  739.             deactivate();

  740. 

  741.         clearBuffers();

  742. 

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

  744.         const uint32_t portCount(getSafePortCount());

  745. 

  746.         uint32_t aIns, aOuts, mIns, params;

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

  748. 

  749.         bool forcedStereoIn, forcedStereoOut;

  750.         forcedStereoIn = forcedStereoOut = false;

  751. 

  752.         bool needsCtrlIn, needsCtrlOut;

  753.         needsCtrlIn = needsCtrlOut = false;

  754. 

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

  756.         {

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

  758. 

  759.             if (LADSPA_IS_PORT_AUDIO(portType))

  760.             {

  761.                 if (LADSPA_IS_PORT_INPUT(portType))

  762.                     aIns += 1;

  763.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  764.                     aOuts += 1;

  765.             }

  766.             else if (LADSPA_IS_PORT_CONTROL(portType))

  767.                 params += 1;

  768.         }

  769. 

  770.         if (pData->options & PLUGIN_OPTION_FORCE_STEREO)

  771.         {

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

  773.             {

  774.                 if (aIns == 1)

  775.                 {

  776.                     aIns = 2;

  777.                     forcedStereoIn = true;

  778.                 }

  779.                 if (aOuts == 1)

  780.                 {

  781.                     aOuts = 2;

  782.                     forcedStereoOut = true;

  783.                 }

  784.             }

  785.         }

  786. 

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

  788.         {

  789.             mIns = 1;

  790.             needsCtrlIn = true;

  791.         }

  792. 

  793.         if (aIns > 0)

  794.         {

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

  796.             fAudioInBuffers = new float*[aIns];

  797. 

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

  799.                 fAudioInBuffers[i] = nullptr;

  800.         }

  801. 

  802.         if (aOuts > 0)

  803.         {

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

  805.             fAudioOutBuffers = new float*[aOuts];

  806.             needsCtrlIn = true;

  807. 

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

  809.                 fAudioOutBuffers[i] = nullptr;

  810.         }

  811. 

  812.         if (params > 0)

  813.         {

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

  815. 

  816.             fParamBuffers = new float[params];

  817.             carla_zeroFloats(fParamBuffers, params);

  818.         }

  819. 

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

  821.         CarlaString portName;

  822. 

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

  824.         {

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

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

  827. 

  828.             if (LADSPA_IS_PORT_AUDIO(portType))

  829.             {

  830.                 portName.clear();

  831. 

  832.                 if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  833.                 {

  834.                     portName  = pData->name;

  835.                     portName += ":";

  836.                 }

  837. 

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

  839.                 {

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

  841.                 }

  842.                 else

  843.                 {

  844.                     if (LADSPA_IS_PORT_INPUT(portType))

  845.                     {

  846.                         if (aIns > 1)

  847.                         {

  848.                             portName += "audio-in_";

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

  850.                         }

  851.                         else

  852.                             portName += "audio-in";

  853.                     }

  854.                     else

  855.                     {

  856.                         if (aOuts > 1)

  857.                         {

  858.                             portName += "audio-out_";

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

  860.                         }

  861.                         else

  862.                             portName += "audio-out";

  863.                     }

  864.                 }

  865. 

  866.                 portName.truncate(portNameSize);

  867. 

  868.                 if (LADSPA_IS_PORT_INPUT(portType))

  869.                 {

  870.                     const uint32_t j = iAudioIn++;

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

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

  873. 

  874.                     if (forcedStereoIn)

  875.                     {

  876.                         portName += "_2";

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

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

  879.                     }

  880.                 }

  881.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  882.                 {

  883.                     const uint32_t j = iAudioOut++;

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

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

  886. 

  887.                     if (forcedStereoOut)

  888.                     {

  889.                         portName += "_2";

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

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

  892.                     }

  893.                 }

  894.                 else

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

  896.             }

  897.             else if (LADSPA_IS_PORT_CONTROL(portType))

  898.             {

  899.                 const uint32_t j = iCtrl++;

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

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

  902. 

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

  904. 

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

  906. 

  907.                 // min value

  908.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  909.                     min = portRangeHints.LowerBound;

  910.                 else

  911.                     min = 0.0f;

  912. 

  913.                 // max value

  914.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  915.                     max = portRangeHints.UpperBound;

  916.                 else

  917.                     max = 1.0f;

  918. 

  919.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  920.                 {

  921.                     min *= sampleRate;

  922.                     max *= sampleRate;

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

  924.                 }

  925. 

  926.                 if (min >= max)

  927.                 {

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

  929.                     max = min + 0.1f;

  930.                 }

  931. 

  932.                 // default value

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

  934. 

  935.                 if (def < min)

  936.                     def = min;

  937.                 else if (def > max)

  938.                     def = max;

  939. 

  940.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  941.                 {

  942.                     step = max - min;

  943.                     stepSmall = step;

  944.                     stepLarge = step;

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

  946.                 }

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

  948.                 {

  949.                     step = 1.0f;

  950.                     stepSmall = 1.0f;

  951.                     stepLarge = 10.0f;

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

  953.                 }

  954.                 else

  955.                 {

  956.                     const float range = max - min;

  957.                     step = range/100.0f;

  958.                     stepSmall = range/1000.0f;

  959.                     stepLarge = range/10.0f;

  960.                 }

  961. 

  962.                 if (LADSPA_IS_PORT_INPUT(portType))

  963.                 {

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

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

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

  967.                     needsCtrlIn = true;

  968. 

  969.                     // MIDI CC value

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

  971.                     {

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

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

  974.                         {

  975.                             const int16_t cc = DSSI_CC_NUMBER(ctrl);

  976.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  978.                         }

  979.                     }

  980.                 }

  981.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  982.                 {

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

  984. 

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

  986.                     {

  987.                         min = 0.0f;

  988.                         max = sampleRate;

  989.                         def = 0.0f;

  990.                         step = 1.0f;

  991.                         stepSmall = 1.0f;

  992.                         stepLarge = 1.0f;

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

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

  995.                     }

  996.                     else

  997.                     {

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

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

  1000.                         needsCtrlOut = true;

  1001.                     }

  1002.                 }

  1003.                 else

  1004.                 {

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

  1006.                 }

  1007. 

  1008.                 // extra parameter hints

  1009.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  1011. 

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

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

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

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

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

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

  1018. 

  1019.                 // Start parameters in their default values

  1020.                 fParamBuffers[j] = def;

  1021. 

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

  1023.                 {

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

  1025.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1026. 

  1027.                     try {

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

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

  1030.                 }

  1031.             }

  1032.             else

  1033.             {

  1034.                 // Not Audio or Control

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

  1036. 

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

  1038.                 {

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

  1040.                     CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1041. 

  1042.                     try {

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

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

  1045.                 }

  1046.             }

  1047.         }

  1048. 

  1049.         if (needsCtrlIn)

  1050.         {

  1051.             portName.clear();

  1052. 

  1053.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1054.             {

  1055.                 portName  = pData->name;

  1056.                 portName += ":";

  1057.             }

  1058. 

  1059.             portName += "events-in";

  1060.             portName.truncate(portNameSize);

  1061. 

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

  1063.         }

  1064. 

  1065.         if (needsCtrlOut)

  1066.         {

  1067.             portName.clear();

  1068. 

  1069.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1070.             {

  1071.                 portName  = pData->name;

  1072.                 portName += ":";

  1073.             }

  1074. 

  1075.             portName += "events-out";

  1076.             portName.truncate(portNameSize);

  1077. 

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

  1079.         }

  1080. 

  1081.         if (forcedStereoIn || forcedStereoOut)

  1082.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  1083.         else

  1084.             pData->options &= ~PLUGIN_OPTION_FORCE_STEREO;

  1085. 

  1086.         // plugin hints

  1087.         pData->hints = 0x0;

  1088. 

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

  1090.             pData->hints |= PLUGIN_IS_RTSAFE;

  1091. 

  1092. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1093.         if (fUiFilename != nullptr)

  1094.             pData->hints |= PLUGIN_HAS_CUSTOM_UI;

  1095. #endif

  1096. 

  1097. #ifndef BUILD_BRIDGE

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

  1099.             pData->hints |= PLUGIN_CAN_DRYWET;

  1100. 

  1101.         if (aOuts > 0)

  1102.             pData->hints |= PLUGIN_CAN_VOLUME;

  1103. 

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

  1105.             pData->hints |= PLUGIN_CAN_BALANCE;

  1106. #endif

  1107. 

  1108.         // extra plugin hints

  1109.         pData->extraHints = 0x0;

  1110. 

  1111.         if (mIns > 0)

  1112.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1113. 

  1114.         // check initial latency

  1115.         findInitialLatencyValue(aIns, aOuts);

  1116. 

  1117.         fForcedStereoIn  = forcedStereoIn;

  1118.         fForcedStereoOut = forcedStereoOut;

  1119. 

  1120.         bufferSizeChanged(pData->engine->getBufferSize());

  1121.         reloadPrograms(true);

  1122. 

  1123.         if (pData->active)

  1124.             activate();

  1125. 

  1126.         carla_debug("CarlaPluginDSSI::reload() - end");

  1127.     }

  1128. 

  1129.     void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const

  1130.     {

  1131.         if (fLatencyIndex < 0 || fHandles.count() == 0)

  1132.             return;

  1133. 

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

  1135.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1136.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1137. 

  1138.         float tmpIn [(aIns > 0)  ? aIns  : 1][2];

  1139.         float tmpOut[(aOuts > 0) ? aOuts : 1][2];

  1140. 

  1141.         for (uint32_t j=0; j < aIns; ++j)

  1142.         {

  1143.             tmpIn[j][0] = 0.0f;

  1144.             tmpIn[j][1] = 0.0f;

  1145. 

  1146.             try {

  1147.                 fDescriptor->connect_port(handle, pData->audioIn.ports[j].rindex, tmpIn[j]);

  1148.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency input)");

  1149.         }

  1150. 

  1151.         for (uint32_t j=0; j < aOuts; ++j)

  1152.         {

  1153.             tmpOut[j][0] = 0.0f;

  1154.             tmpOut[j][1] = 0.0f;

  1155. 

  1156.             try {

  1157.                 fDescriptor->connect_port(handle, pData->audioOut.ports[j].rindex, tmpOut[j]);

  1158.             } CARLA_SAFE_EXCEPTION("DSSI connect_port (latency output)");

  1159.         }

  1160. 

  1161.         if (fDescriptor->activate != nullptr)

  1162.         {

  1163.             try {

  1164.                 fDescriptor->activate(handle);

  1165.             } CARLA_SAFE_EXCEPTION("DSSI latency activate");

  1166.         }

  1167. 

  1168.         try {

  1169.             fDescriptor->run(handle, 2);

  1170.         } CARLA_SAFE_EXCEPTION("DSSI latency run");

  1171. 

  1172.         if (fDescriptor->deactivate != nullptr)

  1173.         {

  1174.             try {

  1175.                 fDescriptor->deactivate(handle);

  1176.             } CARLA_SAFE_EXCEPTION("DSSI latency deactivate");

  1177.         }

  1178. 

  1179.         // done, let's get the value

  1180.         if (const uint32_t latency = getLatencyInFrames())

  1181.         {

  1182.             pData->client->setLatency(latency);

  1183. #ifndef BUILD_BRIDGE

  1184.             pData->latency.recreateBuffers(std::max(aIns, aOuts), latency);

  1185. #endif

  1186.         }

  1187.     }

  1188. 

  1189.     void reloadPrograms(const bool doInit) override

  1190.     {

  1191.         carla_debug("CarlaPluginDSSI::reloadPrograms(%s)", bool2str(doInit));

  1192. 

  1193.         const LADSPA_Handle handle(fHandles.getFirst(nullptr));

  1194.         CARLA_SAFE_ASSERT_RETURN(handle != nullptr,);

  1195. 

  1196.         const uint32_t oldCount = pData->midiprog.count;

  1197.         const int32_t  current  = pData->midiprog.current;

  1198. 

  1199.         // Delete old programs

  1200.         pData->midiprog.clear();

  1201. 

  1202.         // Query new programs

  1203.         uint32_t newCount = 0;

  1204.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  1205.         {

  1206.             for (; fDssiDescriptor->get_program(handle, newCount) != nullptr;)

  1207.                 ++newCount;

  1208.         }

  1209. 

  1210.         if (newCount > 0)

  1211.         {

  1212.             pData->midiprog.createNew(newCount);

  1213. 

  1214.             // Update data

  1215.             for (uint32_t i=0; i < newCount; ++i)

  1216.             {

  1217.                 const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(handle, i));

  1218.                 CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr);

  1219.                 CARLA_SAFE_ASSERT(pdesc->Name != nullptr);

  1220. 

  1221.                 pData->midiprog.data[i].bank    = static_cast<uint32_t>(pdesc->Bank);

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

  1223.                 pData->midiprog.data[i].name    = carla_strdup(pdesc->Name);

  1224.             }

  1225.         }

  1226. 

  1227. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  1228.         // Update OSC Names

  1229.         if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount())

  1230.         {

  1231.             pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount);

  1232. 

  1233.             for (uint32_t i=0; i < newCount; ++i)

  1234.                 pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name);

  1235.         }

  1236. #endif

  1237. 

  1238.         if (doInit)

  1239.         {

  1240.             if (newCount > 0)

  1241.                 setMidiProgram(0, false, false, false, true);

  1242.         }

  1243.         else

  1244.         {

  1245.             // Check if current program is invalid

  1246.             bool programChanged = false;

  1247. 

  1248.             if (newCount == oldCount+1)

  1249.             {

  1250.                 // one midi program added, probably created by user

  1251.                 pData->midiprog.current = static_cast<int32_t>(oldCount);

  1252.                 programChanged = true;

  1253.             }

  1254.             else if (current < 0 && newCount > 0)

  1255.             {

  1256.                 // programs exist now, but not before

  1257.                 pData->midiprog.current = 0;

  1258.                 programChanged = true;

  1259.             }

  1260.             else if (current >= 0 && newCount == 0)

  1261.             {

  1262.                 // programs existed before, but not anymore

  1263.                 pData->midiprog.current = -1;

  1264.                 programChanged = true;

  1265.             }

  1266.             else if (current >= static_cast<int32_t>(newCount))

  1267.             {

  1268.                 // current midi program > count

  1269.                 pData->midiprog.current = 0;

  1270.                 programChanged = true;

  1271.             }

  1272.             else

  1273.             {

  1274.                 // no change

  1275.                 pData->midiprog.current = current;

  1276.             }

  1277. 

  1278.             if (programChanged)

  1279.                 setMidiProgram(pData->midiprog.current, true, true, true, false);

  1280. 

  1281.             pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr);

  1282.         }

  1283.     }

  1284. 

  1285.     // -------------------------------------------------------------------

  1286.     // Plugin processing

  1287. 

  1288.     void activate() noexcept override

  1289.     {

  1290.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1291. 

  1292.         if (fDescriptor->activate != nullptr)

  1293.         {

  1294.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1295.             {

  1296.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1297.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1298. 

  1299.                 try {

  1300.                     fDescriptor->activate(handle);

  1301.                 } CARLA_SAFE_EXCEPTION("DSSI activate");

  1302.             }

  1303.         }

  1304.     }

  1305. 

  1306.     void deactivate() noexcept override

  1307.     {

  1308.         CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,);

  1309. 

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

  1311.         {

  1312.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  1313.             {

  1314.                 LADSPA_Handle const handle(it.getValue(nullptr));

  1315.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1316. 

  1317.                 try {

  1318.                     fDescriptor->deactivate(handle);

  1319.                 } CARLA_SAFE_EXCEPTION("DSSI deactivate");

  1320.             }

  1321.         }

  1322.     }

  1323. 

  1324.     void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override

  1325.     {

  1326.         // --------------------------------------------------------------------------------------------------------

  1327.         // Check if active

  1328. 

  1329.         if (! pData->active)

  1330.         {

  1331.             // disable any output sound

  1332.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1333.                 carla_zeroFloats(audioOut[i], frames);

  1334.             return;

  1335.         }

  1336. 

  1337.         ulong midiEventCount = 0;

  1338.         carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents);

  1339. 

  1340.         // --------------------------------------------------------------------------------------------------------

  1341.         // Check if needs reset

  1342. 

  1343.         if (pData->needsReset)

  1344.         {

  1345.             if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1346.             {

  1347.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1348. 

  1349.                 for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i)

  1350.                 {

  1351.                     fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER;

  1352.                     fMidiEvents[i].data.control.channel = i;

  1353.                     fMidiEvents[i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1354. 

  1355.                     fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER;

  1356.                     fMidiEvents[k+i].data.control.channel = i;

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

  1358.                 }

  1359.             }

  1360.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1361.             {

  1362.                 midiEventCount = MAX_MIDI_NOTE;

  1363. 

  1364.                 for (uchar i=0; i < MAX_MIDI_NOTE; ++i)

  1365.                 {

  1366.                     fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF;

  1367.                     fMidiEvents[i].data.note.channel = static_cast<uchar>(pData->ctrlChannel);

  1368.                     fMidiEvents[i].data.note.note    = i;

  1369.                 }

  1370.             }

  1371. 

  1372.             pData->needsReset = false;

  1373.         }

  1374. 

  1375.         // --------------------------------------------------------------------------------------------------------

  1376.         // Event Input and Processing

  1377. 

  1378.         if (pData->event.portIn != nullptr)

  1379.         {

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

  1381.             // MIDI Input (External)

  1382. 

  1383.             if (pData->extNotes.mutex.tryLock())

  1384.             {

  1385.                 ExternalMidiNote note = { 0, 0, 0 };

  1386. 

  1387.                 for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();)

  1388.                 {

  1389.                     note = pData->extNotes.data.getFirst(note, true);

  1390.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1391. 

  1392.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1393. 

  1394.                     seqEvent.type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1395.                     seqEvent.data.note.channel  = static_cast<uchar>(note.channel);

  1396.                     seqEvent.data.note.note     = note.note;

  1397.                     seqEvent.data.note.velocity = note.velo;

  1398.                 }

  1399. 

  1400.                 pData->extNotes.mutex.unlock();

  1401. 

  1402.             } // End of MIDI Input (External)

  1403. 

  1404.             // ----------------------------------------------------------------------------------------------------

  1405.             // Event Input (System)

  1406. 

  1407. #ifndef BUILD_BRIDGE

  1408.             bool allNotesOffSent = false;

  1409. #endif

  1410.             const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1411. 

  1412.             uint32_t startTime  = 0;

  1413.             uint32_t timeOffset = 0;

  1414.             uint32_t nextBankId;

  1415. 

  1416.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1417.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1418.             else

  1419.                 nextBankId = 0;

  1420. 

  1421.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1422.             {

  1423.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1424. 

  1425.                 uint32_t eventTime = event.time;

  1426.                 CARLA_SAFE_ASSERT_UINT2_CONTINUE(eventTime < frames, eventTime, frames);

  1427. 

  1428.                 if (eventTime < timeOffset)

  1429.                 {

  1430.                     carla_stderr2("Timing error, eventTime:%u < timeOffset:%u for '%s'",

  1431.                                   eventTime, timeOffset, pData->name);

  1432.                     eventTime = timeOffset;

  1433.                 }

  1434. 

  1435.                 if (isSampleAccurate && eventTime > timeOffset)

  1436.                 {

  1437.                     if (processSingle(audioIn, audioOut, eventTime - timeOffset, timeOffset, midiEventCount))

  1438.                     {

  1439.                         startTime  = 0;

  1440.                         timeOffset = eventTime;

  1441.                         midiEventCount = 0;

  1442. 

  1443.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1444.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1445.                         else

  1446.                             nextBankId = 0;

  1447.                     }

  1448.                     else

  1449.                         startTime += timeOffset;

  1450.                 }

  1451. 

  1452.                 switch (event.type)

  1453.                 {

  1454.                 case kEngineEventTypeNull:

  1455.                     break;

  1456. 

  1457.                 case kEngineEventTypeControl: {

  1458.                     const EngineControlEvent& ctrlEvent(event.ctrl);

  1459. 

  1460.                     switch (ctrlEvent.type)

  1461.                     {

  1462.                     case kEngineControlEventTypeNull:

  1463.                         break;

  1464. 

  1465.                     case kEngineControlEventTypeParameter: {

  1466. #ifndef BUILD_BRIDGE

  1467.                         // Control backend stuff

  1468.                         if (event.channel == pData->ctrlChannel)

  1469.                         {

  1470.                             float value;

  1471. 

  1472.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1473.                             {

  1474.                                 value = ctrlEvent.value;

  1475.                                 setDryWetRT(value);

  1476.                             }

  1477. 

  1478.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1479.                             {

  1480.                                 value = ctrlEvent.value*127.0f/100.0f;

  1481.                                 setVolumeRT(value);

  1482.                             }

  1483. 

  1484.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1485.                             {

  1486.                                 float left, right;

  1487.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1488. 

  1489.                                 if (value < 0.0f)

  1490.                                 {

  1491.                                     left  = -1.0f;

  1492.                                     right = (value*2.0f)+1.0f;

  1493.                                 }

  1494.                                 else if (value > 0.0f)

  1495.                                 {

  1496.                                     left  = (value*2.0f)-1.0f;

  1497.                                     right = 1.0f;

  1498.                                 }

  1499.                                 else

  1500.                                 {

  1501.                                     left  = -1.0f;

  1502.                                     right = 1.0f;

  1503.                                 }

  1504. 

  1505.                                 setBalanceLeftRT(left);

  1506.                                 setBalanceRightRT(right);

  1507.                             }

  1508.                         }

  1509. #endif

  1510.                         // Control plugin parameters

  1511.                         for (uint32_t k=0; k < pData->param.count; ++k)

  1512.                         {

  1513.                             if (pData->param.data[k].midiChannel != event.channel)

  1514.                                 continue;

  1515.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1516.                                 continue;

  1517.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1518.                                 continue;

  1519.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1520.                                 continue;

  1521. 

  1522.                             float value;

  1523. 

  1524.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1525.                             {

  1526.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1527.                             }

  1528.                             else

  1529.                             {

  1530.                                 if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC)

  1531.                                     value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value);

  1532.                                 else

  1533.                                     value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1534. 

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

  1536.                                     value = std::rint(value);

  1537.                             }

  1538. 

  1539.                             setParameterValueRT(k, value);

  1540.                         }

  1541. 

  1542.                         if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL)

  1543.                         {

  1544.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1545.                                 continue;

  1546. 

  1547.                             snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1548. 

  1549.                             seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1550. 

  1551.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1552.                             seqEvent.data.control.channel = event.channel;

  1553.                             seqEvent.data.control.param   = ctrlEvent.param;

  1554.                             seqEvent.data.control.value   = int8_t(ctrlEvent.value*127.0f);

  1555.                         }

  1556. 

  1557.                         break;

  1558.                     } // case kEngineControlEventTypeParameter

  1559. 

  1560.                     case kEngineControlEventTypeMidiBank:

  1561.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1562.                             nextBankId = ctrlEvent.param;

  1563.                         break;

  1564. 

  1565.                     case kEngineControlEventTypeMidiProgram:

  1566.                         if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1567.                         {

  1568.                             const uint32_t nextProgramId = ctrlEvent.param;

  1569. 

  1570.                             for (uint32_t k=0; k < pData->midiprog.count; ++k)

  1571.                             {

  1572.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1573.                                 {

  1574.                                     setMidiProgramRT(k);

  1575.                                     break;

  1576.                                 }

  1577.                             }

  1578.                         }

  1579.                         break;

  1580. 

  1581.                     case kEngineControlEventTypeAllSoundOff:

  1582.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1583.                         {

  1584.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1585.                                 continue;

  1586. 

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

  1588. 

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

  1590. 

  1591.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1594.                         }

  1595.                         break;

  1596. 

  1597.                     case kEngineControlEventTypeAllNotesOff:

  1598.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1599.                         {

  1600. #ifndef BUILD_BRIDGE

  1601.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1602.                             {

  1603.                                 allNotesOffSent = true;

  1604.                                 sendMidiAllNotesOffToCallback();

  1605.                             }

  1606. #endif

  1607. 

  1608.                             if (midiEventCount >= kPluginMaxMidiEvents)

  1609.                                 continue;

  1610. 

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

  1612. 

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

  1614. 

  1615.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1618.                         }

  1619.                         break;

  1620.                     } // switch (ctrlEvent.type)

  1621.                     break;

  1622.                 } // case kEngineEventTypeControl

  1623. 

  1624.                 case kEngineEventTypeMidi: {

  1625.                     if (midiEventCount >= kPluginMaxMidiEvents)

  1626.                         continue;

  1627. 

  1628.                     const EngineMidiEvent& midiEvent(event.midi);

  1629. 

  1630.                     if (midiEvent.size > EngineMidiEvent::kDataSize)

  1631.                         continue;

  1632. 

  1633.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data));

  1634. 

  1635.                     // Fix bad note-off (per DSSI spec)

  1636.                     if (status == MIDI_STATUS_NOTE_ON && midiEvent.data[2] == 0)

  1637.                         status = MIDI_STATUS_NOTE_OFF;

  1638. 

  1639.                     snd_seq_event_t& seqEvent(fMidiEvents[midiEventCount++]);

  1640. 

  1641.                     seqEvent.time.tick = isSampleAccurate ? startTime : eventTime;

  1642. 

  1643.                     switch (status)

  1644.                     {

  1645.                     case MIDI_STATUS_NOTE_OFF: {

  1646.                         const uint8_t note = midiEvent.data[1];

  1647. 

  1648.                         seqEvent.type = SND_SEQ_EVENT_NOTEOFF;

  1649.                         seqEvent.data.note.channel = event.channel;

  1650.                         seqEvent.data.note.note    = note;

  1651. 

  1652.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, note, 0, 0.0f);

  1653.                         break;

  1654.                     }

  1655. 

  1656.                     case MIDI_STATUS_NOTE_ON: {

  1657.                         const uint8_t note = midiEvent.data[1];

  1658.                         const uint8_t velo = midiEvent.data[2];

  1659. 

  1660.                         seqEvent.type = SND_SEQ_EVENT_NOTEON;

  1661.                         seqEvent.data.note.channel  = event.channel;

  1662.                         seqEvent.data.note.note     = note;

  1663.                         seqEvent.data.note.velocity = velo;

  1664. 

  1665.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, note, velo, 0.0f);

  1666.                         break;

  1667.                     }

  1668. 

  1669.                     case MIDI_STATUS_POLYPHONIC_AFTERTOUCH:

  1670.                         if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)

  1671.                         {

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

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

  1674. 

  1675.                             seqEvent.type = SND_SEQ_EVENT_KEYPRESS;

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

  1677.                             seqEvent.data.note.note     = note;

  1678.                             seqEvent.data.note.velocity = pressure;

  1679.                         }

  1680.                         break;

  1681. 

  1682.                     case MIDI_STATUS_CONTROL_CHANGE:

  1683.                         if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  1684.                         {

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

  1686.                             const uint8_t value   = midiEvent.data[2];

  1687. 

  1688.                             seqEvent.type = SND_SEQ_EVENT_CONTROLLER;

  1689.                             seqEvent.data.control.channel = event.channel;

  1690.                             seqEvent.data.control.param   = control;

  1691.                             seqEvent.data.control.value   = value;

  1692.                         }

  1693.                         break;

  1694. 

  1695.                     case MIDI_STATUS_CHANNEL_PRESSURE:

  1696.                         if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)

  1697.                         {

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

  1699. 

  1700.                             seqEvent.type = SND_SEQ_EVENT_CHANPRESS;

  1701.                             seqEvent.data.control.channel = event.channel;

  1702.                             seqEvent.data.control.value   = pressure;

  1703.                         }

  1704.                         break;

  1705. 

  1706.                     case MIDI_STATUS_PITCH_WHEEL_CONTROL:

  1707.                         if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND)

  1708.                         {

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

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

  1711. 

  1712.                             seqEvent.type = SND_SEQ_EVENT_PITCHBEND;

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

  1714.                             seqEvent.data.control.value   = ((msb << 7) | lsb) - 8192;

  1715.                         }

  1716.                         break;

  1717. 

  1718.                     default:

  1719.                         --midiEventCount;

  1720.                         break;

  1721.                     } // switch (status)

  1722.                 } break;

  1723.                 } // switch (event.type)

  1724.             }

  1725. 

  1726.             pData->postRtEvents.trySplice();

  1727. 

  1728.             if (frames > timeOffset)

  1729.                 processSingle(audioIn, audioOut, frames - timeOffset, timeOffset, midiEventCount);

  1730. 

  1731.         } // End of Event Input and Processing

  1732. 

  1733.         // --------------------------------------------------------------------------------------------------------

  1734.         // Plugin processing (no events)

  1735. 

  1736.         else

  1737.         {

  1738.             processSingle(audioIn, audioOut, frames, 0, midiEventCount);

  1739. 

  1740.         } // End of Plugin processing (no events)

  1741. 

  1742.         // --------------------------------------------------------------------------------------------------------

  1743.         // Control Output

  1744. 

  1745.         if (pData->event.portOut != nullptr)

  1746.         {

  1747.             uint8_t  channel;

  1748.             uint16_t param;

  1749.             float    value;

  1750. 

  1751.             for (uint32_t k=0; k < pData->param.count; ++k)

  1752.             {

  1753.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1754.                     continue;

  1755. 

  1756.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1757. 

  1758.                 if (pData->param.data[k].midiCC > 0)

  1759.                 {

  1760.                     channel = pData->param.data[k].midiChannel;

  1761.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1762.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1763.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1764.                 }

  1765.             }

  1766.         } // End of Control Output

  1767.     }

  1768. 

  1769.     bool processSingle(const float** const audioIn, float** const audioOut, const uint32_t frames,

  1770.                        const uint32_t timeOffset, const ulong midiEventCount)

  1771.     {

  1772.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1773. 

  1774.         if (pData->audioIn.count > 0)

  1775.         {

  1776.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1777.         }

  1778.         if (pData->audioOut.count > 0)

  1779.         {

  1780.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1781.         }

  1782. 

  1783.         // --------------------------------------------------------------------------------------------------------

  1784.         // Try lock, silence otherwise

  1785. 

  1786. #ifndef STOAT_TEST_BUILD

  1787.         if (pData->engine->isOffline())

  1788.         {

  1789.             pData->singleMutex.lock();

  1790.         }

  1791.         else

  1792. #endif

  1793.         if (! pData->singleMutex.tryLock())

  1794.         {

  1795.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1796.             {

  1797.                 for (uint32_t k=0; k < frames; ++k)

  1798.                     audioOut[i][k+timeOffset] = 0.0f;

  1799.             }

  1800. 

  1801.             return false;

  1802.         }

  1803. 

  1804.         // --------------------------------------------------------------------------------------------------------

  1805.         // Set audio buffers

  1806. 

  1807.         const bool customMonoOut   = pData->audioOut.count == 2 && fForcedStereoOut && ! fForcedStereoIn;

  1808.         const bool customStereoOut = pData->audioOut.count == 2 && fForcedStereoIn  && ! fForcedStereoOut;

  1809. 

  1810.         if (! customMonoOut)

  1811.         {

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

  1813.                 carla_zeroFloats(fAudioOutBuffers[i], frames);

  1814.         }

  1815. 

  1816.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1817.             carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames);

  1818. 

  1819.         // --------------------------------------------------------------------------------------------------------

  1820.         // Run plugin

  1821. 

  1822.         uint instn = 0;

  1823.         for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next(), ++instn)

  1824.         {

  1825.             LADSPA_Handle const handle(it.getValue(nullptr));

  1826.             CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  1827. 

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

  1829.             // Mixdown for forced stereo

  1830. 

  1831.             if (customMonoOut)

  1832.                 carla_zeroFloats(fAudioOutBuffers[instn], frames);

  1833. 

  1834.             // ----------------------------------------------------------------------------------------------------

  1835.             // Run it

  1836. 

  1837.             if (fDssiDescriptor->run_synth != nullptr)

  1838.             {

  1839.                 try {

  1840.                     fDssiDescriptor->run_synth(handle, frames, fMidiEvents, midiEventCount);

  1841.                 } CARLA_SAFE_EXCEPTION("DSSI run_synth");

  1842.             }

  1843.             else

  1844.             {

  1845.                 try {

  1846.                     fDescriptor->run(handle, frames);

  1847.                 } CARLA_SAFE_EXCEPTION("DSSI run");

  1848.             }

  1849. 

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

  1851.             // Mixdown for forced stereo

  1852. 

  1853.             if (customMonoOut)

  1854.                 carla_multiply(fAudioOutBuffers[instn], 0.5f, frames);

  1855.             else if (customStereoOut)

  1856.                 carla_copyFloats(fExtraStereoBuffer[instn], fAudioOutBuffers[instn], frames);

  1857.         }

  1858. 

  1859.         if (customStereoOut)

  1860.         {

  1861.             carla_copyFloats(fAudioOutBuffers[0], fExtraStereoBuffer[0], frames);

  1862.             carla_copyFloats(fAudioOutBuffers[1], fExtraStereoBuffer[1], frames);

  1863.         }

  1864. 

  1865. #ifndef BUILD_BRIDGE

  1866.         // --------------------------------------------------------------------------------------------------------

  1867.         // Post-processing (dry/wet, volume and balance)

  1868. 

  1869.         {

  1870.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1871.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1872.             const bool isMono    = (pData->audioIn.count == 1);

  1873. 

  1874.             bool isPair;

  1875.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1876. 

  1877.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1878.             {

  1879.                 // Dry/Wet

  1880.                 if (doDryWet)

  1881.                 {

  1882.                     const uint32_t c = isMono ? 0 : i;

  1883. 

  1884.                     for (uint32_t k=0; k < frames; ++k)

  1885.                     {

  1886.                         if (k < pData->latency.frames)

  1887.                             bufValue = pData->latency.buffers[c][k];

  1888.                         else if (pData->latency.frames < frames)

  1889.                             bufValue = fAudioInBuffers[c][k-pData->latency.frames];

  1890.                         else

  1891.                             bufValue = fAudioInBuffers[c][k];

  1892. 

  1893.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1894.                     }

  1895.                 }

  1896. 

  1897.                 // Balance

  1898.                 if (doBalance)

  1899.                 {

  1900.                     isPair = (i % 2 == 0);

  1901. 

  1902.                     if (isPair)

  1903.                     {

  1904.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1905.                         carla_copyFloats(oldBufLeft, fAudioOutBuffers[i], frames);

  1906.                     }

  1907. 

  1908.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1909.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1910. 

  1911.                     for (uint32_t k=0; k < frames; ++k)

  1912.                     {

  1913.                         if (isPair)

  1914.                         {

  1915.                             // left

  1916.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1917.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1918.                         }

  1919.                         else

  1920.                         {

  1921.                             // right

  1922.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1923.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1924.                         }

  1925.                     }

  1926.                 }

  1927. 

  1928.                 // Volume (and buffer copy)

  1929.                 {

  1930.                     for (uint32_t k=0; k < frames; ++k)

  1931.                         audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1932.                 }

  1933.             }

  1934. 

  1935.         } // End of Post-processing

  1936. 

  1937.         // --------------------------------------------------------------------------------------------------------

  1938.         // Save latency values for next callback

  1939. 

  1940.         if (const uint32_t latframes = pData->latency.frames)

  1941.         {

  1942.             CARLA_SAFE_ASSERT(timeOffset == 0);

  1943. 

  1944.             if (latframes <= frames)

  1945.             {

  1946.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1947.                     carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes);

  1948.             }

  1949.             else

  1950.             {

  1951.                 const uint32_t diff = pData->latency.frames-frames;

  1952. 

  1953.                 for (uint32_t i=0, k; i<pData->audioIn.count; ++i)

  1954.                 {

  1955.                     // push back buffer by 'frames'

  1956.                     for (k=0; k < diff; ++k)

  1957.                         pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames];

  1958. 

  1959.                     // put current input at the end

  1960.                     for (uint32_t j=0; k < latframes; ++j, ++k)

  1961.                         pData->latency.buffers[i][k] = audioIn[i][j];

  1962.                 }

  1963.             }

  1964.         }

  1965. 

  1966. #else // BUILD_BRIDGE

  1967.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1968.         {

  1969.             for (uint32_t k=0; k < frames; ++k)

  1970.                 audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1971.         }

  1972. #endif

  1973. 

  1974.         // --------------------------------------------------------------------------------------------------------

  1975. 

  1976.         pData->singleMutex.unlock();

  1977.         return true;

  1978.     }

  1979. 

  1980.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1981.     {

  1982.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1983.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - start", newBufferSize);

  1984. 

  1985.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1986.         {

  1987.             if (fAudioInBuffers[i] != nullptr)

  1988.                 delete[] fAudioInBuffers[i];

  1989. 

  1990.             fAudioInBuffers[i] = new float[newBufferSize];

  1991.             carla_zeroFloats(fAudioInBuffers[i], newBufferSize);

  1992.         }

  1993. 

  1994.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1995.         {

  1996.             if (fAudioOutBuffers[i] != nullptr)

  1997.                 delete[] fAudioOutBuffers[i];

  1998. 

  1999.             fAudioOutBuffers[i] = new float[newBufferSize];

  2000.             carla_zeroFloats(fAudioOutBuffers[i], newBufferSize);

  2001.         }

  2002. 

  2003.         if (fExtraStereoBuffer[0] != nullptr)

  2004.         {

  2005.             delete[] fExtraStereoBuffer[0];

  2006.             fExtraStereoBuffer[0] = nullptr;

  2007.         }

  2008. 

  2009.         if (fExtraStereoBuffer[1] != nullptr)

  2010.         {

  2011.             delete[] fExtraStereoBuffer[1];

  2012.             fExtraStereoBuffer[1] = nullptr;

  2013.         }

  2014. 

  2015.         if (fForcedStereoIn && pData->audioOut.count == 2)

  2016.         {

  2017.             fExtraStereoBuffer[0] = new float[newBufferSize];

  2018.             fExtraStereoBuffer[1] = new float[newBufferSize];

  2019.             carla_zeroFloats(fExtraStereoBuffer[0], newBufferSize);

  2020.             carla_zeroFloats(fExtraStereoBuffer[1], newBufferSize);

  2021.         }

  2022. 

  2023.         reconnectAudioPorts();

  2024. 

  2025.         carla_debug("CarlaPluginDSSI::bufferSizeChanged(%i) - end", newBufferSize);

  2026.     }

  2027. 

  2028.     void sampleRateChanged(const double newSampleRate) override

  2029.     {

  2030.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  2031.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - start", newSampleRate);

  2032. 

  2033.         // TODO - handle UI stuff

  2034. 

  2035.         if (pData->active)

  2036.             deactivate();

  2037. 

  2038.         const std::size_t instanceCount(fHandles.count());

  2039. 

  2040.         if (fDescriptor->cleanup != nullptr)

  2041.         {

  2042.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2043.             {

  2044.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2045.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2046. 

  2047.                 try {

  2048.                     fDescriptor->cleanup(handle);

  2049.                 } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2050.             }

  2051.         }

  2052. 

  2053.         fHandles.clear();

  2054. 

  2055.         for (std::size_t i=0; i<instanceCount; ++i)

  2056.             addInstance();

  2057. 

  2058.         reconnectAudioPorts();

  2059. 

  2060.         if (pData->active)

  2061.             activate();

  2062. 

  2063.         carla_debug("CarlaPluginDSSI::sampleRateChanged(%g) - end", newSampleRate);

  2064.     }

  2065. 

  2066.     void reconnectAudioPorts() const noexcept

  2067.     {

  2068.         if (fForcedStereoIn)

  2069.         {

  2070.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2071.             {

  2072.                 try {

  2073.                     fDescriptor->connect_port(handle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  2074.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, first)");

  2075.             }

  2076. 

  2077.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2078.             {

  2079.                 try {

  2080.                     fDescriptor->connect_port(handle, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  2081.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo input, last)");

  2082.             }

  2083.         }

  2084.         else

  2085.         {

  2086.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2087.             {

  2088.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2089.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2090. 

  2091.                 for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2092.                 {

  2093.                     try {

  2094.                         fDescriptor->connect_port(handle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  2095.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio input)");

  2096.                 }

  2097.             }

  2098.         }

  2099. 

  2100.         if (fForcedStereoOut)

  2101.         {

  2102.             if (LADSPA_Handle const handle = fHandles.getFirst(nullptr))

  2103.             {

  2104.                 try {

  2105.                     fDescriptor->connect_port(handle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  2106.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, first)");

  2107.             }

  2108. 

  2109.             if (LADSPA_Handle const handle = fHandles.getLast(nullptr))

  2110.             {

  2111.                 try {

  2112.                     fDescriptor->connect_port(handle, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  2113.                 } CARLA_SAFE_EXCEPTION("DSSI connect_port (forced stereo output, last)");

  2114.             }

  2115.         }

  2116.         else

  2117.         {

  2118.             for (LinkedList<LADSPA_Handle>::Itenerator it = fHandles.begin2(); it.valid(); it.next())

  2119.             {

  2120.                 LADSPA_Handle const handle(it.getValue(nullptr));

  2121.                 CARLA_SAFE_ASSERT_CONTINUE(handle != nullptr);

  2122. 

  2123.                 for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2124.                 {

  2125.                     try {

  2126.                         fDescriptor->connect_port(handle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  2127.                     } CARLA_SAFE_EXCEPTION("DSSI connect_port (audio output)");

  2128.                 }

  2129.             }

  2130.         }

  2131.     }

  2132. 

  2133.     // -------------------------------------------------------------------

  2134.     // Plugin buffers

  2135. 

  2136.     void clearBuffers() noexcept override

  2137.     {

  2138.         carla_debug("CarlaPluginDSSI::clearBuffers() - start");

  2139. 

  2140.         if (fAudioInBuffers != nullptr)

  2141.         {

  2142.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  2143.             {

  2144.                 if (fAudioInBuffers[i] != nullptr)

  2145.                 {

  2146.                     delete[] fAudioInBuffers[i];

  2147.                     fAudioInBuffers[i] = nullptr;

  2148.                 }

  2149.             }

  2150. 

  2151.             delete[] fAudioInBuffers;

  2152.             fAudioInBuffers = nullptr;

  2153.         }

  2154. 

  2155.         if (fAudioOutBuffers != nullptr)

  2156.         {

  2157.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  2158.             {

  2159.                 if (fAudioOutBuffers[i] != nullptr)

  2160.                 {

  2161.                     delete[] fAudioOutBuffers[i];

  2162.                     fAudioOutBuffers[i] = nullptr;

  2163.                 }

  2164.             }

  2165. 

  2166.             delete[] fAudioOutBuffers;

  2167.             fAudioOutBuffers = nullptr;

  2168.         }

  2169. 

  2170.         if (fExtraStereoBuffer[0] != nullptr)

  2171.         {

  2172.             delete[] fExtraStereoBuffer[0];

  2173.             fExtraStereoBuffer[0] = nullptr;

  2174.         }

  2175. 

  2176.         if (fExtraStereoBuffer[1] != nullptr)

  2177.         {

  2178.             delete[] fExtraStereoBuffer[1];

  2179.             fExtraStereoBuffer[1] = nullptr;

  2180.         }

  2181. 

  2182.         if (fParamBuffers != nullptr)

  2183.         {

  2184.             delete[] fParamBuffers;

  2185.             fParamBuffers = nullptr;

  2186.         }

  2187. 

  2188.         CarlaPlugin::clearBuffers();

  2189. 

  2190.         carla_debug("CarlaPluginDSSI::clearBuffers() - end");

  2191.     }

  2192. 

  2193. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2194.     // -------------------------------------------------------------------

  2195.     // OSC stuff

  2196. 

  2197.     void handleOscMessage(const char* const method, const int argc, const void* const argvx, const char* const types, const lo_message msg) override

  2198.     {

  2199.         const lo_address source(lo_message_get_source(msg));

  2200.         CARLA_SAFE_ASSERT_RETURN(source != nullptr,);

  2201. 

  2202.         // protocol for DSSI UIs *must* be UDP

  2203.         CARLA_SAFE_ASSERT_RETURN(lo_address_get_protocol(source) == LO_UDP,);

  2204. 

  2205.         if (fOscData.source == nullptr)

  2206.         {

  2207.             // if no UI is registered yet only "configure" and "update" messages are valid

  2208.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(method, "configure") == 0 || std::strcmp(method, "update") == 0,)

  2209.         }

  2210.         else

  2211.         {

  2212.             // make sure message source is the DSSI UI

  2213.             const char* const msghost = lo_address_get_hostname(source);

  2214.             const char* const msgport = lo_address_get_port(source);

  2215. 

  2216.             const char* const ourhost = lo_address_get_hostname(fOscData.source);

  2217.             const char* const ourport = lo_address_get_port(fOscData.source);

  2218. 

  2219.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msghost, ourhost) == 0,);

  2220.             CARLA_SAFE_ASSERT_RETURN(std::strcmp(msgport, ourport) == 0,);

  2221.         }

  2222. 

  2223.         const lo_arg* const* const argv(static_cast<const lo_arg* const*>(argvx));

  2224. 

  2225.         if (std::strcmp(method, "configure") == 0)

  2226.             return handleOscMessageConfigure(argc, argv, types);

  2227.         if (std::strcmp(method, "control") == 0)

  2228.             return handleOscMessageControl(argc, argv, types);

  2229.         if (std::strcmp(method, "program") == 0)

  2230.             return handleOscMessageProgram(argc, argv, types);

  2231.         if (std::strcmp(method, "midi") == 0)

  2232.             return handleOscMessageMIDI(argc, argv, types);

  2233.         if (std::strcmp(method, "update") == 0)

  2234.             return handleOscMessageUpdate(argc, argv, types, lo_message_get_source(msg));

  2235.         if (std::strcmp(method, "exiting") == 0)

  2236.             return handleOscMessageExiting();

  2237. 

  2238.         carla_stdout("CarlaPluginDSSI::handleOscMessage() - unknown method '%s'", method);

  2239.     }

  2240. 

  2241.     void handleOscMessageConfigure(const int argc, const lo_arg* const* const argv, const char* const types)

  2242.     {

  2243.         carla_debug("CarlaPluginDSSI::handleMsgConfigure()");

  2244.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ss");

  2245. 

  2246.         const char* const key   = (const char*)&argv[0]->s;

  2247.         const char* const value = (const char*)&argv[1]->s;

  2248. 

  2249.         setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  2250.     }

  2251. 

  2252.     void handleOscMessageControl(const int argc, const lo_arg* const* const argv, const char* const types)

  2253.     {

  2254.         carla_debug("CarlaPluginDSSI::handleMsgControl()");

  2255.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "if");

  2256. 

  2257.         const int32_t rindex = argv[0]->i;

  2258.         const float   value  = argv[1]->f;

  2259. 

  2260.         setParameterValueByRealIndex(rindex, value, false, true, true);

  2261.     }

  2262. 

  2263.     void handleOscMessageProgram(const int argc, const lo_arg* const* const argv, const char* const types)

  2264.     {

  2265.         carla_debug("CarlaPluginDSSI::handleMsgProgram()");

  2266.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(2, "ii");

  2267. 

  2268.         const int32_t bank    = argv[0]->i;

  2269.         const int32_t program = argv[1]->i;

  2270. 

  2271.         CARLA_SAFE_ASSERT_RETURN(bank >= 0,);

  2272.         CARLA_SAFE_ASSERT_RETURN(program >= 0,);

  2273. 

  2274.         setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  2275.     }

  2276. 

  2277.     void handleOscMessageMIDI(const int argc, const lo_arg* const* const argv, const char* const types)

  2278.     {

  2279.         carla_debug("CarlaPluginDSSI::handleMsgMidi()");

  2280.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "m");

  2281. 

  2282.         if (getMidiInCount() == 0)

  2283.         {

  2284.             carla_stderr("CarlaPluginDSSI::handleMsgMidi() - received midi when plugin has no midi inputs");

  2285.             return;

  2286.         }

  2287. 

  2288.         const uint8_t* const data = argv[0]->m;

  2289.         uint8_t status  = data[1];

  2290.         uint8_t channel = status & 0x0F;

  2291. 

  2292.         // Fix bad note-off

  2293.         if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  2294.             status = MIDI_STATUS_NOTE_OFF;

  2295. 

  2296.         if (MIDI_IS_STATUS_NOTE_OFF(status))

  2297.         {

  2298.             const uint8_t note = data[2];

  2299. 

  2300.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2301. 

  2302.             sendMidiSingleNote(channel, note, 0, false, true, true);

  2303.         }

  2304.         else if (MIDI_IS_STATUS_NOTE_ON(status))

  2305.         {

  2306.             const uint8_t note = data[2];

  2307.             const uint8_t velo = data[3];

  2308. 

  2309.             CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2310.             CARLA_SAFE_ASSERT_RETURN(velo < MAX_MIDI_VALUE,);

  2311. 

  2312.             sendMidiSingleNote(channel, note, velo, false, true, true);

  2313.         }

  2314.     }

  2315. 

  2316.     void handleOscMessageUpdate(const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  2317.     {

  2318.         carla_debug("CarlaPluginDSSI::handleMsgUpdate()");

  2319.         CARLA_PLUGIN_DSSI_OSC_CHECK_OSC_TYPES(1, "s");

  2320. 

  2321.         const char* const url = (const char*)&argv[0]->s;

  2322. 

  2323.         // FIXME - remove debug prints later

  2324.         carla_stdout("CarlaPluginDSSI::updateOscData(%p, \"%s\")", source, url);

  2325. 

  2326.         fOscData.clear();

  2327. 

  2328.         const int proto = lo_address_get_protocol(source);

  2329. 

  2330.         {

  2331.             const char* host = lo_address_get_hostname(source);

  2332.             const char* port = lo_address_get_port(source);

  2333.             fOscData.source = lo_address_new_with_proto(proto, host, port);

  2334. 

  2335.             carla_stdout("CarlaPlugin::updateOscData() - source: host \"%s\", port \"%s\"", host, port);

  2336.         }

  2337. 

  2338.         {

  2339.             char* host = lo_url_get_hostname(url);

  2340.             char* port = lo_url_get_port(url);

  2341.             fOscData.path   = carla_strdup_free(lo_url_get_path(url));

  2342.             fOscData.target = lo_address_new_with_proto(proto, host, port);

  2343.             carla_stdout("CarlaPlugin::updateOscData() - target: host \"%s\", port \"%s\", path \"%s\"", host, port, fOscData.path);

  2344. 

  2345.             std::free(host);

  2346.             std::free(port);

  2347.         }

  2348. 

  2349.         osc_send_sample_rate(fOscData, static_cast<float>(pData->engine->getSampleRate()));

  2350. 

  2351.         for (LinkedList<CustomData>::Itenerator it = pData->custom.begin2(); it.valid(); it.next())

  2352.         {

  2353.             const CustomData& customData(it.getValue(kCustomDataFallback));

  2354.             CARLA_SAFE_ASSERT_CONTINUE(customData.isValid());

  2355. 

  2356.             if (std::strcmp(customData.type, CUSTOM_DATA_TYPE_STRING) == 0)

  2357.                 osc_send_configure(fOscData, customData.key, customData.value);

  2358.         }

  2359. 

  2360.         if (pData->prog.current >= 0)

  2361.             osc_send_program(fOscData, static_cast<uint32_t>(pData->prog.current));

  2362. 

  2363.         if (pData->midiprog.current >= 0)

  2364.         {

  2365.             const MidiProgramData& curMidiProg(pData->midiprog.getCurrent());

  2366.             osc_send_program(fOscData, curMidiProg.bank, curMidiProg.program);

  2367.         }

  2368. 

  2369.         for (uint32_t i=0; i < pData->param.count; ++i)

  2370.             osc_send_control(fOscData, pData->param.data[i].rindex, getParameterValue(i));

  2371. 

  2372. #ifndef BUILD_BRIDGE

  2373.         if (pData->engine->getOptions().frontendWinId != 0)

  2374.             pData->transientTryCounter = 1;

  2375. #endif

  2376. 

  2377.         carla_stdout("CarlaPluginDSSI::updateOscData() - done");

  2378.     }

  2379. 

  2380.     void handleOscMessageExiting()

  2381.     {

  2382.         carla_debug("CarlaPluginDSSI::handleMsgExiting()");

  2383. 

  2384.         // hide UI

  2385.         showCustomUI(false);

  2386. 

  2387.         // tell frontend

  2388.         pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED,

  2389.                                 pData->id,

  2390.                                 0,

  2391.                                 0, 0, 0.0f, nullptr);

  2392.     }

  2393. 

  2394.     // -------------------------------------------------------------------

  2395.     // Post-poned UI Stuff

  2396. 

  2397.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  2398.     {

  2399.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  2400. 

  2401.         if (fOscData.target == nullptr)

  2402.             return;

  2403. 

  2404.         osc_send_control(fOscData, pData->param.data[index].rindex, value);

  2405.     }

  2406. 

  2407.     void uiMidiProgramChange(const uint32_t index) noexcept override

  2408.     {

  2409.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  2410. 

  2411.         if (fOscData.target == nullptr)

  2412.             return;

  2413. 

  2414.         osc_send_program(fOscData, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  2415.     }

  2416. 

  2417.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  2418.     {

  2419.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2420.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2421.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  2422. 

  2423.         if (fOscData.target == nullptr)

  2424.             return;

  2425. 

  2426. #if 0

  2427.         uint8_t midiData[4];

  2428.         midiData[0] = 0;

  2429.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2430.         midiData[2] = note;

  2431.         midiData[3] = velo;

  2432. 

  2433.         osc_send_midi(fOscData, midiData);

  2434. #endif

  2435.     }

  2436. 

  2437.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  2438.     {

  2439.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  2440.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  2441. 

  2442.         if (fOscData.target == nullptr)

  2443.             return;

  2444. 

  2445. #if 0

  2446.         uint8_t midiData[4];

  2447.         midiData[0] = 0;

  2448.         midiData[1] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT));

  2449.         midiData[2] = note;

  2450.         midiData[3] = 0;

  2451. 

  2452.         osc_send_midi(fOscData, midiData);

  2453. #endif

  2454.     }

  2455. #endif // HAVE_LIBLO && !BUILD_BRIDGE

  2456. 

  2457.     // -------------------------------------------------------------------

  2458. 

  2459.     const void* getNativeDescriptor() const noexcept override

  2460.     {

  2461.         return fDssiDescriptor;

  2462.     }

  2463. 

  2464. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2465.     uintptr_t getUiBridgeProcessId() const noexcept override

  2466.     {

  2467.         return fThreadUI.getProcessId();

  2468.     }

  2469. 

  2470.     const void* getExtraStuff() const noexcept override

  2471.     {

  2472.         return fUiFilename;

  2473.     }

  2474. #endif

  2475. 

  2476.     // -------------------------------------------------------------------

  2477. 

  2478.     bool init(const char* const filename, const char* name, const char* const label, const uint options)

  2479.     {

  2480.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2481. 

  2482.         // ---------------------------------------------------------------

  2483.         // first checks

  2484. 

  2485.         if (pData->client != nullptr)

  2486.         {

  2487.             pData->engine->setLastError("Plugin client is already registered");

  2488.             return false;

  2489.         }

  2490. 

  2491.         if (filename == nullptr || filename[0] == '\0')

  2492.         {

  2493.             pData->engine->setLastError("null filename");

  2494.             return false;

  2495.         }

  2496. 

  2497.         // ---------------------------------------------------------------

  2498.         // open DLL

  2499. 

  2500.         if (! pData->libOpen(filename))

  2501.         {

  2502.             pData->engine->setLastError(pData->libError(filename));

  2503.             return false;

  2504.         }

  2505. 

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

  2507.         // get DLL main entry

  2508. 

  2509.         const DSSI_Descriptor_Function descFn = pData->libSymbol<DSSI_Descriptor_Function>("dssi_descriptor");

  2510. 

  2511.         if (descFn == nullptr)

  2512.         {

  2513.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  2514.             return false;

  2515.         }

  2516. 

  2517.         // ---------------------------------------------------------------

  2518.         // get descriptor that matches label

  2519. 

  2520.         // if label is null, get first valid plugin

  2521.         const bool nullLabel = (label == nullptr || label[0] == '\0');

  2522. 

  2523.         for (ulong d=0;; ++d)

  2524.         {

  2525.             try {

  2526.                 fDssiDescriptor = descFn(d);

  2527.             }

  2528.             catch(...) {

  2529.                 carla_stderr2("Caught exception when trying to get DSSI descriptor");

  2530.                 fDescriptor     = nullptr;

  2531.                 fDssiDescriptor = nullptr;

  2532.                 break;

  2533.             }

  2534. 

  2535.             if (fDssiDescriptor == nullptr)

  2536.                 break;

  2537. 

  2538.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  2539. 

  2540.             if (fDescriptor == nullptr)

  2541.             {

  2542.                 carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin");

  2543.                 fDssiDescriptor = nullptr;

  2544.                 break;

  2545.             }

  2546.             if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0')

  2547.             {

  2548.                 carla_stderr2("WARNING - Got an invalid label, will not use this plugin");

  2549.                 fDescriptor     = nullptr;

  2550.                 fDssiDescriptor = nullptr;

  2551.                 break;

  2552.             }

  2553.             if (fDescriptor->run == nullptr)

  2554.             {

  2555.                 carla_stderr2("WARNING - Plugin has no run, cannot use it");

  2556.                 fDescriptor     = nullptr;

  2557.                 fDssiDescriptor = nullptr;

  2558.                 break;

  2559.             }

  2560. 

  2561.             if (nullLabel || std::strcmp(fDescriptor->Label, label) == 0)

  2562.                 break;

  2563.         }

  2564. 

  2565.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  2566.         {

  2567.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  2568.             return false;

  2569.         }

  2570. 

  2571.         // ---------------------------------------------------------------

  2572.         // check if uses global instance

  2573. 

  2574.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  2575.         {

  2576.             pData->engine->setLastError("This plugin requires run_multiple_synths which is not supported");

  2577.             return false;

  2578.         }

  2579. 

  2580.         // ---------------------------------------------------------------

  2581.         // check for fixed buffer size requirement

  2582. 

  2583.         fNeedsFixedBuffers = CarlaString(filename).contains("dssi-vst", true);

  2584. 

  2585.         if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize())

  2586.         {

  2587.             pData->engine->setLastError("Cannot use this plugin under the current engine.\n"

  2588.                                         "The plugin requires a fixed block size which is not possible right now.");

  2589.             return false;

  2590.         }

  2591. 

  2592.         // ---------------------------------------------------------------

  2593.         // get info

  2594. 

  2595.         if (name == nullptr || name[0] == '\0')

  2596.         {

  2597.             if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0')

  2598.                 name = fDescriptor->Name;

  2599.             else

  2600.                 name = fDescriptor->Label;

  2601.         }

  2602. 

  2603.         pData->name = pData->engine->getUniquePluginName(name);

  2604.         pData->filename = carla_strdup(filename);

  2605. 

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

  2607.         // register client

  2608. 

  2609.         pData->client = pData->engine->addClient(this);

  2610. 

  2611.         if (pData->client == nullptr || ! pData->client->isOk())

  2612.         {

  2613.             pData->engine->setLastError("Failed to register plugin client");

  2614.             return false;

  2615.         }

  2616. 

  2617.         // ---------------------------------------------------------------

  2618.         // initialize plugin

  2619. 

  2620.         if (! addInstance())

  2621.             return false;

  2622. 

  2623.         // ---------------------------------------------------------------

  2624.         // find latency port index

  2625. 

  2626.         for (uint32_t i=0, iCtrl=0, count=getSafePortCount(); i<count; ++i)

  2627.         {

  2628.             const int portType(fDescriptor->PortDescriptors[i]);

  2629. 

  2630.             if (! LADSPA_IS_PORT_CONTROL(portType))

  2631.                 continue;

  2632. 

  2633.             const uint32_t index(iCtrl++);

  2634. 

  2635.             if (! LADSPA_IS_PORT_OUTPUT(portType))

  2636.                 continue;

  2637. 

  2638.             const char* const portName(fDescriptor->PortNames[i]);

  2639.             CARLA_SAFE_ASSERT_BREAK(portName != nullptr);

  2640. 

  2641.             if (std::strcmp(portName, "latency")  == 0 ||

  2642.                 std::strcmp(portName, "_latency") == 0)

  2643.             {

  2644.                 fLatencyIndex = static_cast<int32_t>(index);

  2645.                 break;

  2646.             }

  2647.         }

  2648. 

  2649.         // ---------------------------------------------------------------

  2650.         // check for custom data extension

  2651. 

  2652.         if (fDssiDescriptor->configure != nullptr)

  2653.         {

  2654.             if (char* const error = fDssiDescriptor->configure(fHandles.getFirst(nullptr), DSSI_CUSTOMDATA_EXTENSION_KEY, ""))

  2655.             {

  2656.                 if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr

  2657.                                                     && fDssiDescriptor->set_custom_data != nullptr)

  2658.                     fUsesCustomData = true;

  2659. 

  2660.                 std::free(error);

  2661.             }

  2662.         }

  2663. 

  2664. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2665.         // ---------------------------------------------------------------

  2666.         // check for gui

  2667. 

  2668.         if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label))

  2669.         {

  2670.             fUiFilename = guiFilename;

  2671.             fThreadUI.setData(guiFilename, fDescriptor->Label);

  2672.         }

  2673. #endif

  2674. 

  2675.         // ---------------------------------------------------------------

  2676.         // set default options

  2677. 

  2678.         pData->options = 0x0;

  2679. 

  2680.         /**/ if (fLatencyIndex >= 0 || fNeedsFixedBuffers)

  2681.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2682.         else if (options & PLUGIN_OPTION_FIXED_BUFFERS)

  2683.             pData->options |= PLUGIN_OPTION_FIXED_BUFFERS;

  2684. 

  2685.         /**/ if (pData->engine->getOptions().forceStereo)

  2686.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2687.         else if (options & PLUGIN_OPTION_FORCE_STEREO)

  2688.             pData->options |= PLUGIN_OPTION_FORCE_STEREO;

  2689. 

  2690.         if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr)

  2691.             pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  2692. 

  2693.         if (fUsesCustomData)

  2694.             pData->options |= PLUGIN_OPTION_USE_CHUNKS;

  2695. 

  2696.         if (fDssiDescriptor->run_synth != nullptr)

  2697.         {

  2698.             pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  2699.             pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  2700.             pData->options |= PLUGIN_OPTION_SEND_PITCHBEND;

  2701.             pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  2702. 

  2703.             if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES)

  2704.                 pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  2705.         }

  2706. 

  2707.         return true;

  2708.     }

  2709. 

  2710.     // -------------------------------------------------------------------

  2711. 

  2712. private:

  2713.     LinkedList<LADSPA_Handle> fHandles;

  2714.     const LADSPA_Descriptor*  fDescriptor;

  2715.     const DSSI_Descriptor*    fDssiDescriptor;

  2716. 

  2717.     float** fAudioInBuffers;

  2718.     float** fAudioOutBuffers;

  2719.     float*  fExtraStereoBuffer[2]; // used only if forcedStereoIn and audioOut == 2

  2720.     float*  fParamBuffers;

  2721. 

  2722.     snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents];

  2723. 

  2724.     int32_t fLatencyIndex; // -1 if invalid

  2725.     bool    fForcedStereoIn;

  2726.     bool    fForcedStereoOut;

  2727.     bool    fNeedsFixedBuffers;

  2728.     bool    fUsesCustomData;

  2729. 

  2730. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  2731.     CarlaOscData      fOscData;

  2732.     CarlaThreadDSSIUI fThreadUI;

  2733.     const char*       fUiFilename;

  2734. #endif

  2735. 

  2736.     // -------------------------------------------------------------------

  2737. 

  2738.     bool addInstance()

  2739.     {

  2740.         LADSPA_Handle handle;

  2741. 

  2742.         try {

  2743.             handle = fDescriptor->instantiate(fDescriptor, static_cast<ulong>(pData->engine->getSampleRate()));

  2744.         } CARLA_SAFE_EXCEPTION_RETURN_ERR("LADSPA instantiate", "Plugin failed to initialize");

  2745. 

  2746.         for (uint32_t i=0, count=pData->param.count; i<count; ++i)

  2747.         {

  2748.             const int32_t rindex(pData->param.data[i].rindex);

  2749.             CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0);

  2750. 

  2751.             try {

  2752.                 fDescriptor->connect_port(handle, static_cast<ulong>(rindex), &fParamBuffers[i]);

  2753.             } CARLA_SAFE_EXCEPTION("LADSPA connect_port");

  2754.         }

  2755. 

  2756.         if (fHandles.append(handle))

  2757.             return true;

  2758. 

  2759.         try {

  2760.             fDescriptor->cleanup(handle);

  2761.         } CARLA_SAFE_EXCEPTION("LADSPA cleanup");

  2762. 

  2763.         pData->engine->setLastError("Out of memory");

  2764.         return false;

  2765.     }

  2766. 

  2767.     uint32_t getSafePortCount() const noexcept

  2768.     {

  2769.         if (fDescriptor->PortCount == 0)

  2770.             return 0;

  2771. 

  2772.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0);

  2773.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0);

  2774.         CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0);

  2775. 

  2776.         return static_cast<uint32_t>(fDescriptor->PortCount);

  2777.     }

  2778. 

  2779.     bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept

  2780.     {

  2781.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true))

  2782.             return true;

  2783.         if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false))

  2784.             return true;

  2785.         return false;

  2786.     }

  2787. 

  2788.     static bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf,

  2789.                                                      const bool wantName, const bool useBracket) noexcept

  2790.     {

  2791.         const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " ("));

  2792. 

  2793.         if (sepBracketStart == nullptr)

  2794.             return false;

  2795. 

  2796.         const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")"));

  2797. 

  2798.         if (sepBracketEnd == nullptr)

  2799.             return false;

  2800. 

  2801.         const std::size_t unitSize(static_cast<std::size_t>(sepBracketEnd-sepBracketStart-2));

  2802. 

  2803.         if (unitSize > 7) // very unlikely to have such big unit

  2804.             return false;

  2805. 

  2806.         const std::size_t sepIndex(std::strlen(paramName)-unitSize-3);

  2807. 

  2808.         // just in case

  2809.         if (sepIndex+2 >= STR_MAX)

  2810.             return false;

  2811. 

  2812.         if (wantName)

  2813.         {

  2814.             std::strncpy(strBuf, paramName, sepIndex);

  2815.             strBuf[sepIndex] = '\0';

  2816.         }

  2817.         else

  2818.         {

  2819.             std::strncpy(strBuf, paramName+(sepIndex+2), unitSize);

  2820.             strBuf[unitSize] = '\0';

  2821.         }

  2822. 

  2823.         return true;

  2824.     }

  2825. 

  2826.     // -------------------------------------------------------------------

  2827. 

  2828.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginDSSI)

  2829. };

  2830. 

  2831. // -------------------------------------------------------------------------------------------------------------------

  2832. 

  2833. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init)

  2834. {

  2835.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 ", %x})",

  2836.                 init.engine, init.filename, init.name, init.label, init.uniqueId, init.options);

  2837. 

  2838.     CarlaPluginDSSI* const plugin(new CarlaPluginDSSI(init.engine, init.id));

  2839. 

  2840.     if (! plugin->init(init.filename, init.name, init.label, init.options))

  2841.     {

  2842.         delete plugin;

  2843.         return nullptr;

  2844.     }

  2845. 

  2846.     return plugin;

  2847. }

  2848. 

  2849. // -------------------------------------------------------------------------------------------------------------------

  2850. 

  2851. CARLA_BACKEND_END_NAMESPACE