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Audio plugin host https://kx.studio/carla
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Carla/source/backend/plugin/dssi.cpp

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  1. /*

  2.  * Carla DSSI Plugin

  3.  * Copyright (C) 2011-2013 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 GPL.txt file

  16.  */

  17. 

  18. #include "carla_plugin_internal.hpp"

  19. 

  20. #ifdef WANT_DSSI

  21. 

  22. #include "carla_ladspa_utils.hpp"

  23. #include "dssi/dssi.h"

  24. 

  25. CARLA_BACKEND_START_NAMESPACE

  26. 

  27. class DssiPlugin : public CarlaPlugin

  28. {

  29. public:

  30.     DssiPlugin(CarlaEngine* const engine, const unsigned int id)

  31.         : CarlaPlugin(engine, id)

  32.     {

  33.         qDebug("DssiPlugin::DssiPlugin()");

  34. 

  35.         fHandle  = nullptr;

  36.         fHandle2 = nullptr;

  37.         fDescriptor = nullptr;

  38.         fDssiDescriptor = nullptr;

  39. 

  40.         fAudioInBuffers  = nullptr;

  41.         fAudioOutBuffers = nullptr;

  42.         fParamBuffers    = nullptr;

  43. 

  44.         carla_zeroMem(fMidiEvents, sizeof(snd_seq_event_t)*MAX_MIDI_EVENTS);

  45.     }

  46. 

  47.     ~DssiPlugin()

  48.     {

  49.         qDebug("DssiPlugin::~DssiPlugin()");

  50. 

  51.         // close UI

  52.         if (fHints & PLUGIN_HAS_GUI)

  53.         {

  54.             showGui(false);

  55. 

  56.             if (kData->osc.thread != nullptr)

  57.             {

  58.                 // Wait a bit first, try safe quit, then force kill

  59.                 if (kData->osc.thread->isRunning() && ! kData->osc.thread->wait(kData->engine->getOptions().oscUiTimeout))

  60.                 {

  61.                     qWarning("Failed to properly stop DSSI GUI thread");

  62.                     kData->osc.thread->terminate();

  63.                 }

  64. 

  65.                 delete kData->osc.thread;

  66.             }

  67.         }

  68. 

  69.         if (fDescriptor != nullptr)

  70.         {

  71.             if (fDescriptor->deactivate != nullptr && kData->activeBefore)

  72.             {

  73.                 if (fHandle != nullptr)

  74.                     fDescriptor->deactivate(fHandle);

  75.                 if (fHandle2 != nullptr)

  76.                     fDescriptor->deactivate(fHandle2);

  77.             }

  78. 

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

  80.             {

  81.                 if (fHandle != nullptr)

  82.                     fDescriptor->cleanup(fHandle);

  83.                 if (fHandle2 != nullptr)

  84.                     fDescriptor->cleanup(fHandle2);

  85.             }

  86. 

  87.             fHandle  = nullptr;

  88.             fHandle2 = nullptr;

  89.             fDescriptor = nullptr;

  90.             fDssiDescriptor = nullptr;

  91.         }

  92. 

  93.         deleteBuffers();

  94.     }

  95. 

  96.     // -------------------------------------------------------------------

  97.     // Information (base)

  98. 

  99.     PluginType type() const

  100.     {

  101.         return PLUGIN_DSSI;

  102.     }

  103. 

  104.     PluginCategory category() const

  105.     {

  106.         if (fHints & PLUGIN_IS_SYNTH)

  107.             return PLUGIN_CATEGORY_SYNTH;

  108. 

  109.         return getPluginCategoryFromName(fName);

  110.     }

  111. 

  112.     long uniqueId() const

  113.     {

  114.         CARLA_ASSERT(fDescriptor != nullptr);

  115. 

  116.         return (fDescriptor != nullptr) ? fDescriptor->UniqueID : 0;

  117.     }

  118. 

  119.     // -------------------------------------------------------------------

  120.     // Information (current data)

  121. 

  122.     int32_t chunkData(void** const dataPtr)

  123.     {

  124.         CARLA_ASSERT(fHints & PLUGIN_USES_CHUNKS);

  125.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  126.         CARLA_ASSERT(fDssiDescriptor->get_custom_data != nullptr);

  127.         CARLA_ASSERT(fHandle != nullptr);

  128.         CARLA_ASSERT(fHandle2 == nullptr);

  129.         CARLA_ASSERT(dataPtr != nullptr);

  130. 

  131.         unsigned long dataSize = 0;

  132. 

  133.         if (fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->get_custom_data(fHandle, dataPtr, &dataSize))

  134.             return dataSize;

  135. 

  136.         return 0;

  137.     }

  138. 

  139.     // -------------------------------------------------------------------

  140.     // Information (per-plugin data)

  141. 

  142.     float getParameterValue(const uint32_t parameterId)

  143.     {

  144.         CARLA_ASSERT(parameterId < kData->param.count);

  145. 

  146.         return fParamBuffers[parameterId];

  147.     }

  148. 

  149.     void getLabel(char* const strBuf)

  150.     {

  151.         CARLA_ASSERT(fDescriptor != nullptr);

  152. 

  153.         if (fDescriptor != nullptr && fDescriptor->Label != nullptr)

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

  155.         else

  156.             CarlaPlugin::getLabel(strBuf);

  157.     }

  158. 

  159.     void getMaker(char* const strBuf)

  160.     {

  161.         CARLA_ASSERT(fDescriptor != nullptr);

  162. 

  163.         if (fDescriptor != nullptr && fDescriptor->Maker != nullptr)

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

  165.         else

  166.             CarlaPlugin::getMaker(strBuf);

  167.     }

  168. 

  169.     void getCopyright(char* const strBuf)

  170.     {

  171.         CARLA_ASSERT(fDescriptor != nullptr);

  172. 

  173.         if (fDescriptor != nullptr && fDescriptor->Copyright != nullptr)

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

  175.         else

  176.             CarlaPlugin::getCopyright(strBuf);

  177.     }

  178. 

  179.     void getRealName(char* const strBuf)

  180.     {

  181.         CARLA_ASSERT(fDescriptor != nullptr);

  182. 

  183.         if (fDescriptor != nullptr && fDescriptor->Name != nullptr)

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

  185.         else

  186.             CarlaPlugin::getRealName(strBuf);

  187.     }

  188. 

  189.     void getParameterName(const uint32_t parameterId, char* const strBuf)

  190.     {

  191.         CARLA_ASSERT(fDescriptor != nullptr);

  192.         CARLA_ASSERT(parameterId < kData->param.count);

  193. 

  194.         const int32_t rindex = kData->param.data[parameterId].rindex;

  195. 

  196.         if (fDescriptor != nullptr && rindex < static_cast<int32_t>(fDescriptor->PortCount))

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

  198.         else

  199.             CarlaPlugin::getParameterName(parameterId, strBuf);

  200.     }

  201. 

  202.     // -------------------------------------------------------------------

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

  204. 

  205.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback)

  206.     {

  207.         CARLA_ASSERT(parameterId < kData->param.count);

  208. 

  209.         const float fixedValue = kData->param.fixValue(parameterId, value);

  210.         fParamBuffers[parameterId] = fixedValue;

  211. 

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

  213.     }

  214. 

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

  216.     {

  217.         CARLA_ASSERT(fDescriptor != nullptr);

  218.         CARLA_ASSERT(fHandle != nullptr);

  219.         CARLA_ASSERT(type != nullptr);

  220.         CARLA_ASSERT(key != nullptr);

  221.         CARLA_ASSERT(value != nullptr);

  222. 

  223.         if (type == nullptr)

  224.             return qCritical("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is invalid", type, key, value, bool2str(sendGui));

  225. 

  226.         if (std::strcmp(type, CUSTOM_DATA_STRING) != 0)

  227.             return qCritical("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui));

  228. 

  229.         if (key == nullptr)

  230.             return qCritical("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - key is null", type, key, value, bool2str(sendGui));

  231. 

  232.         if (value == nullptr)

  233.             return qCritical("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - value is null", type, key, value, bool2str(sendGui));

  234. 

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

  236.         {

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

  238. 

  239.             if (fHandle2)

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

  241.         }

  242. 

  243.         if (sendGui && kData->osc.data.target != nullptr)

  244.             osc_send_configure(&kData->osc.data, key, value);

  245. 

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

  247.         {

  248.             const ScopedDisabler m(this); // FIXME

  249.             reloadPrograms(false);

  250.         }

  251. 

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

  253.     }

  254. 

  255.     void setChunkData(const char* const stringData)

  256.     {

  257.         CARLA_ASSERT(fHints & PLUGIN_USES_CHUNKS);

  258.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  259.         CARLA_ASSERT(fDssiDescriptor->set_custom_data != nullptr);

  260.         CARLA_ASSERT(fHandle != nullptr);

  261.         CARLA_ASSERT(fHandle2 == nullptr);

  262.         CARLA_ASSERT(stringData != nullptr);

  263. 

  264.         if (fDssiDescriptor->set_custom_data == nullptr)

  265.             return;

  266. 

  267.         // FIXME

  268.         fChunk = QByteArray::fromBase64(QByteArray(stringData));

  269.         //fChunk.toBase64();

  270. 

  271.         if (kData->engine->isOffline())

  272.         {

  273.             //const CarlaEngine::ScopedLocker m(kData->engine);

  274.             fDssiDescriptor->set_custom_data(fHandle, fChunk.data(), fChunk.size());

  275.         }

  276.         else

  277.         {

  278.             const CarlaPlugin::ScopedDisabler m(this);

  279.             fDssiDescriptor->set_custom_data(fHandle, fChunk.data(), fChunk.size());

  280.         }

  281.     }

  282. 

  283.     void setMidiProgram(int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback, const bool block)

  284.     {

  285.         CARLA_ASSERT(index >= -1 && index < static_cast<int32_t>(kData->midiprog.count));

  286. 

  287.         if (index < -1)

  288.             index = -1;

  289.         else if (index > static_cast<int32_t>(kData->midiprog.count))

  290.             return;

  291. 

  292.         // FIXME

  293.         if (index >= 0)

  294.         {

  295.             const uint32_t bank    = kData->midiprog.data[index].bank;

  296.             const uint32_t program = kData->midiprog.data[index].program;

  297. 

  298.             if (kData->engine->isOffline())

  299.             {

  300.                 //const CarlaEngine::ScopedLocker m(x_engine, block);

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

  302. 

  303.                 if (fHandle)

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

  305.             }

  306.             else

  307.             {

  308.                 //const ScopedDisabler m(this, block);

  309. 

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

  311. 

  312.                 if (fHandle2)

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

  314.             }

  315.         }

  316. 

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

  318.     }

  319. 

  320.     // -------------------------------------------------------------------

  321.     // Set gui stuff

  322. 

  323.     void showGui(const bool yesNo)

  324.     {

  325.         CARLA_ASSERT(kData->osc.thread != nullptr);

  326. 

  327.         if (kData->osc.thread == nullptr)

  328.         {

  329.             qCritical("DssiPlugin::showGui(%s) - attempt to show gui, but it does not exist!", bool2str(yesNo));

  330.             return;

  331.         }

  332. 

  333.         if (yesNo)

  334.         {

  335.             kData->osc.thread->start();

  336.         }

  337.         else

  338.         {

  339.             if (kData->osc.data.target != nullptr)

  340.             {

  341.                 osc_send_hide(&kData->osc.data);

  342.                 osc_send_quit(&kData->osc.data);

  343.                 kData->osc.data.free();

  344.             }

  345. 

  346.             if (! kData->osc.thread->wait(500))

  347.                 kData->osc.thread->quit();

  348.         }

  349.     }

  350. 

  351.     // -------------------------------------------------------------------

  352.     // Plugin state

  353. 

  354.     void reload()

  355.     {

  356.         qDebug("DssiPlugin::reload() - start");

  357.         CARLA_ASSERT(kData->engine != nullptr);

  358.         CARLA_ASSERT(fDescriptor != nullptr);

  359.         CARLA_ASSERT(fHandle != nullptr);

  360. 

  361.         const ProcessMode processMode(kData->engine->getProccessMode());

  362. 

  363.         // Safely disable plugin for reload

  364.         const ScopedDisabler sd(this);

  365. 

  366.         if (kData->client->isActive())

  367.             kData->client->deactivate();

  368. 

  369.         deleteBuffers();

  370. 

  371.         const double sampleRate = kData->engine->getSampleRate();

  372.         const unsigned long portCount = fDescriptor->PortCount;

  373. 

  374.         uint32_t aIns, aOuts, mIns, params, j;

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

  376. 

  377.         bool forcedStereoIn, forcedStereoOut;

  378.         forcedStereoIn = forcedStereoOut = false;

  379. 

  380.         bool needsCtrlIn, needsCtrlOut;

  381.         needsCtrlIn = needsCtrlOut = false;

  382. 

  383.         for (unsigned long i=0; i < portCount; i++)

  384.         {

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

  386. 

  387.             if (LADSPA_IS_PORT_AUDIO(portType))

  388.             {

  389.                 if (LADSPA_IS_PORT_INPUT(portType))

  390.                     aIns += 1;

  391.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  392.                     aOuts += 1;

  393.             }

  394.             else if (LADSPA_IS_PORT_CONTROL(portType))

  395.                 params += 1;

  396.         }

  397. 

  398.         if ((fOptions & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1))

  399.         {

  400.             if (fHandle2 == nullptr)

  401.                 fHandle2 = fDescriptor->instantiate(fDescriptor, sampleRate);

  402. 

  403.             if (aIns == 1)

  404.             {

  405.                 aIns = 2;

  406.                 forcedStereoIn = true;

  407.             }

  408. 

  409.             if (aOuts == 1)

  410.             {

  411.                 aOuts = 2;

  412.                 forcedStereoOut = true;

  413.             }

  414.         }

  415. 

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

  417.         {

  418.             mIns = 1;

  419.             needsCtrlIn = true;

  420.         }

  421. 

  422.         if (aIns > 0)

  423.         {

  424.             kData->audioIn.createNew(aIns);

  425.             fAudioInBuffers = new float*[aIns];

  426. 

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

  428.                 fAudioInBuffers[i] = nullptr;

  429.         }

  430. 

  431.         if (aOuts > 0)

  432.         {

  433.             kData->audioOut.createNew(aOuts);

  434.             fAudioOutBuffers = new float*[aOuts];

  435. 

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

  437.                 fAudioOutBuffers[i] = nullptr;

  438.         }

  439. 

  440.         if (params > 0)

  441.         {

  442.             kData->param.createNew(params);

  443.             fParamBuffers = new float[params];

  444.         }

  445. 

  446.         const int   portNameSize = kData->engine->maxPortNameSize();

  447.         CarlaString portName;

  448. 

  449.         for (unsigned long i=0, iAudioIn=0, iAudioOut=0, iCtrl=0; i < portCount; i++)

  450.         {

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

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

  453. 

  454.             if (LADSPA_IS_PORT_AUDIO(portType))

  455.             {

  456.                 portName.clear();

  457. 

  458.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  459.                 {

  460.                     portName  = fName;

  461.                     portName += ":";

  462.                 }

  463. 

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

  465.                 portName.truncate(portNameSize);

  466. 

  467.                 if (LADSPA_IS_PORT_INPUT(portType))

  468.                 {

  469.                     j = iAudioIn++;

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

  471.                     kData->audioIn.ports[j].rindex = i;

  472. 

  473.                     if (forcedStereoIn)

  474.                     {

  475.                         portName += "_2";

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

  477.                         kData->audioIn.ports[1].rindex = i;

  478.                     }

  479.                 }

  480.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  481.                 {

  482.                     j = iAudioOut++;

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

  484.                     kData->audioOut.ports[j].rindex = i;

  485.                     needsCtrlIn = true;

  486. 

  487.                     if (forcedStereoOut)

  488.                     {

  489.                         portName += "_2";

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

  491.                         kData->audioOut.ports[1].rindex = i;

  492.                     }

  493.                 }

  494.                 else

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

  496.             }

  497.             else if (LADSPA_IS_PORT_CONTROL(portType))

  498.             {

  499.                 j = iCtrl++;

  500.                 kData->param.data[j].index  = j;

  501.                 kData->param.data[j].rindex = i;

  502.                 kData->param.data[j].hints  = 0x0;

  503.                 kData->param.data[j].midiChannel = 0;

  504.                 kData->param.data[j].midiCC = -1;

  505. 

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

  507. 

  508.                 // min value

  509.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  510.                     min = portRangeHints.LowerBound;

  511.                 else

  512.                     min = 0.0f;

  513. 

  514.                 // max value

  515.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  516.                     max = portRangeHints.UpperBound;

  517.                 else

  518.                     max = 1.0f;

  519. 

  520.                 if (min > max)

  521.                     max = min;

  522.                 else if (max < min)

  523.                     min = max;

  524. 

  525.                 if (max - min == 0.0f)

  526.                 {

  527.                     qWarning("Broken plugin parameter: max - min == 0");

  528.                     max = min + 0.1f;

  529.                 }

  530. 

  531.                 // default value

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

  533. 

  534.                 if (def < min)

  535.                     def = min;

  536.                 else if (def > max)

  537.                     def = max;

  538. 

  539.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  540.                 {

  541.                     min *= sampleRate;

  542.                     max *= sampleRate;

  543.                     def *= sampleRate;

  544.                     kData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE;

  545.                 }

  546. 

  547.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  548.                 {

  549.                     step = max - min;

  550.                     stepSmall = step;

  551.                     stepLarge = step;

  552.                     kData->param.data[j].hints |= PARAMETER_IS_BOOLEAN;

  553.                 }

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

  555.                 {

  556.                     step = 1.0f;

  557.                     stepSmall = 1.0f;

  558.                     stepLarge = 10.0f;

  559.                     kData->param.data[j].hints |= PARAMETER_IS_INTEGER;

  560.                 }

  561.                 else

  562.                 {

  563.                     float range = max - min;

  564.                     step = range/100.0f;

  565.                     stepSmall = range/1000.0f;

  566.                     stepLarge = range/10.0f;

  567.                 }

  568. 

  569.                 if (LADSPA_IS_PORT_INPUT(portType))

  570.                 {

  571.                     kData->param.data[j].type   = PARAMETER_INPUT;

  572.                     kData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  573.                     kData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  574.                     needsCtrlIn = true;

  575. 

  576.                     // MIDI CC value

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

  578.                     {

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

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

  581.                         {

  582.                             int16_t cc = DSSI_CC_NUMBER(controller);

  583.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

  584.                                 kData->param.data[j].midiCC = cc;

  585.                         }

  586.                     }

  587.                 }

  588.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  589.                 {

  590.                     if (std::strcmp(fDescriptor->PortNames[i], "latency") == 0 || std::strcmp(fDescriptor->PortNames[i], "_latency") == 0)

  591.                     {

  592.                         min = 0.0f;

  593.                         max = sampleRate;

  594.                         def = 0.0f;

  595.                         step = 1.0f;

  596.                         stepSmall = 1.0f;

  597.                         stepLarge = 1.0f;

  598. 

  599.                         kData->param.data[j].type  = PARAMETER_LATENCY;

  600.                         kData->param.data[j].hints = 0;

  601.                     }

  602.                     else if (std::strcmp(fDescriptor->PortNames[i], "_sample-rate") == 0)

  603.                     {

  604.                         def = sampleRate;

  605.                         step = 1.0f;

  606.                         stepSmall = 1.0f;

  607.                         stepLarge = 1.0f;

  608. 

  609.                         kData->param.data[j].type  = PARAMETER_SAMPLE_RATE;

  610.                         kData->param.data[j].hints = 0;

  611.                     }

  612.                     else

  613.                     {

  614.                         kData->param.data[j].type   = PARAMETER_OUTPUT;

  615.                         kData->param.data[j].hints |= PARAMETER_IS_ENABLED;

  616.                         kData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE;

  617.                         needsCtrlOut = true;

  618.                     }

  619.                 }

  620.                 else

  621.                 {

  622.                     kData->param.data[j].type = PARAMETER_UNKNOWN;

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

  624.                 }

  625. 

  626.                 // extra parameter hints

  627.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

  628.                     kData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC;

  629. 

  630.                 kData->param.ranges[j].min = min;

  631.                 kData->param.ranges[j].max = max;

  632.                 kData->param.ranges[j].def = def;

  633.                 kData->param.ranges[j].step = step;

  634.                 kData->param.ranges[j].stepSmall = stepSmall;

  635.                 kData->param.ranges[j].stepLarge = stepLarge;

  636. 

  637.                 // Start parameters in their default values

  638.                 fParamBuffers[j] = def;

  639. 

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

  641. 

  642.                 if (fHandle2 != nullptr)

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

  644.             }

  645.             else

  646.             {

  647.                 // Not Audio or Control

  648.                 qCritical("ERROR - Got a broken Port (neither Audio or Control)");

  649. 

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

  651. 

  652.                 if (fHandle2 != nullptr)

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

  654.             }

  655.         }

  656. 

  657.         if (needsCtrlIn)

  658.         {

  659.             portName.clear();

  660. 

  661.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  662.             {

  663.                 portName  = fName;

  664.                 portName += ":";

  665.             }

  666. 

  667.             portName += "event-in";

  668.             portName.truncate(portNameSize);

  669. 

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

  671.         }

  672. 

  673.         if (needsCtrlOut)

  674.         {

  675.             portName.clear();

  676. 

  677.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  678.             {

  679.                 portName  = fName;

  680.                 portName += ":";

  681.             }

  682. 

  683.             portName += "event-out";

  684.             portName.truncate(portNameSize);

  685. 

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

  687.         }

  688. 

  689.         // plugin checks

  690.         fHints &= ~(PLUGIN_IS_SYNTH | PLUGIN_USES_CHUNKS | PLUGIN_CAN_DRYWET | PLUGIN_CAN_VOLUME | PLUGIN_CAN_BALANCE | PLUGIN_CAN_FORCE_STEREO);

  691. 

  692.         if (mIns == 1 && aIns == 0 && aOuts > 0)

  693.             fHints |= PLUGIN_IS_SYNTH;

  694. 

  695.         if (kData->engine->getOptions().useDssiVstChunks && QString(fFilename).endsWith("dssi-vst.so", Qt::CaseInsensitive))

  696.         {

  697.             if (fDssiDescriptor->get_custom_data && fDssiDescriptor->set_custom_data)

  698.                 fHints |= PLUGIN_USES_CHUNKS;

  699.         }

  700. 

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

  702.             fHints |= PLUGIN_CAN_DRYWET;

  703. 

  704.         if (aOuts > 0)

  705.             fHints |= PLUGIN_CAN_VOLUME;

  706. 

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

  708.             fHints |= PLUGIN_CAN_BALANCE;

  709. 

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

  711.             fHints |= PLUGIN_CAN_FORCE_STEREO;

  712. 

  713.         // check latency

  714.         if (fHints & PLUGIN_CAN_DRYWET)

  715.         {

  716.             for (uint32_t i=0; i < kData->param.count; i++)

  717.             {

  718.                 if (kData->param.data[i].type != PARAMETER_LATENCY)

  719.                     continue;

  720. 

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

  722. 

  723.                 float tmpIn[aIns][2];

  724.                 float tmpOut[aOuts][2];

  725. 

  726.                 for (j=0; j < aIns; j++)

  727.                 {

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

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

  730. 

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

  732.                 }

  733. 

  734.                 for (j=0; j < aOuts; j++)

  735.                 {

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

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

  738. 

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

  740.                 }

  741. 

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

  743.                     fDescriptor->activate(fHandle);

  744. 

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

  746. 

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

  748.                     fDescriptor->deactivate(fHandle);

  749. 

  750.                 const uint32_t latency = std::rint(fParamBuffers[i]);

  751. 

  752.                 if (kData->latency != latency)

  753.                 {

  754.                     kData->latency = latency;

  755.                     kData->client->setLatency(latency);

  756.                     recreateLatencyBuffers();

  757.                 }

  758. 

  759.                 break;

  760.             }

  761.         }

  762. 

  763.         bufferSizeChanged(kData->engine->getBufferSize());

  764.         reloadPrograms(true);

  765. 

  766.         kData->client->activate();

  767. 

  768.         qDebug("DssiPlugin::reload() - end");

  769.     }

  770. 

  771.     void reloadPrograms(const bool init)

  772.     {

  773.         qDebug("DssiPlugin::reloadPrograms(%s)", bool2str(init));

  774.         uint32_t i, oldCount = kData->midiprog.count;

  775. 

  776.         // Delete old programs

  777.         kData->midiprog.clear();

  778. 

  779.         // Query new programs

  780.         uint32_t count = 0;

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

  782.         {

  783.             while (fDssiDescriptor->get_program(fHandle, count))

  784.                 count++;

  785.         }

  786. 

  787.         if (count > 0)

  788.             kData->midiprog.createNew(count);

  789. 

  790.         // Update data

  791.         for (i=0; i < kData->midiprog.count; i++)

  792.         {

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

  794.             CARLA_ASSERT(pdesc != nullptr);

  795.             CARLA_ASSERT(pdesc->Name != nullptr);

  796. 

  797.             kData->midiprog.data[i].bank    = pdesc->Bank;

  798.             kData->midiprog.data[i].program = pdesc->Program;

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

  800.         }

  801. 

  802. #ifndef BUILD_BRIDGE

  803.         // Update OSC Names

  804.         if (kData->engine->isOscControlRegistered())

  805.         {

  806.             kData->engine->osc_send_control_set_midi_program_count(fId, kData->midiprog.count);

  807. 

  808.             for (i=0; i < kData->midiprog.count; i++)

  809.                 kData->engine->osc_send_control_set_midi_program_data(fId, i, kData->midiprog.data[i].bank, kData->midiprog.data[i].program, kData->midiprog.data[i].name);

  810.         }

  811. #endif

  812. 

  813.         if (init)

  814.         {

  815.             if (kData->midiprog.count > 0)

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

  817.         }

  818.         else

  819.         {

  820.             kData->engine->callback(CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  821. 

  822.             // Check if current program is invalid

  823.             bool programChanged = false;

  824. 

  825.             if (kData->midiprog.count == oldCount+1)

  826.             {

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

  828.                 kData->midiprog.current = oldCount;

  829.                 programChanged = true;

  830.             }

  831.             else if (kData->midiprog.current >= static_cast<int32_t>(kData->midiprog.count))

  832.             {

  833.                 // current midi program > count

  834.                 kData->midiprog.current = 0;

  835.                 programChanged = true;

  836.             }

  837.             else if (kData->midiprog.current < 0 && kData->midiprog.count > 0)

  838.             {

  839.                 // programs exist now, but not before

  840.                 kData->midiprog.current = 0;

  841.                 programChanged = true;

  842.             }

  843.             else if (kData->midiprog.current >= 0 && kData->midiprog.count == 0)

  844.             {

  845.                 // programs existed before, but not anymore

  846.                 kData->midiprog.current = -1;

  847.                 programChanged = true;

  848.             }

  849. 

  850.             if (programChanged)

  851.                 setMidiProgram(kData->midiprog.current, true, true, true, true);

  852.         }

  853.     }

  854. 

  855.     // -------------------------------------------------------------------

  856.     // Plugin processing

  857. 

  858.     void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t framesOffset)

  859.     {

  860.         uint32_t i, k;

  861.         unsigned long midiEventCount = 0;

  862. 

  863.         // --------------------------------------------------------------------------------------------------------

  864.         // Check if active

  865. 

  866.         if (! kData->active)

  867.         {

  868.             // disable any output sound

  869.             for (i=0; i < kData->audioOut.count; i++)

  870.                 carla_zeroFloat(outBuffer[i], frames);

  871. 

  872.             if (kData->activeBefore)

  873.             {

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

  875.                 {

  876.                     fDescriptor->deactivate(fHandle);

  877. 

  878.                     if (fHandle2 != nullptr)

  879.                         fDescriptor->deactivate(fHandle2);

  880.                 }

  881.             }

  882. 

  883.             kData->activeBefore = kData->active;

  884.             return;

  885.         }

  886. 

  887.         // --------------------------------------------------------------------------------------------------------

  888.         // Check if active before

  889. 

  890.         if (! kData->activeBefore)

  891.         {

  892.             if (kData->event.portIn != nullptr)

  893.             {

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

  895.                 {

  896.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[k]);

  897.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[k+i]);

  898. 

  899.                     fMidiEvents[k].type = SND_SEQ_EVENT_CONTROLLER;

  900.                     fMidiEvents[k].data.control.channel = k;

  901.                     fMidiEvents[k].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  902. 

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

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

  905.                     fMidiEvents[k+i].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  906.                 }

  907. 

  908.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  909.             }

  910. 

  911.             if (kData->latency > 0)

  912.             {

  913.                 for (i=0; i < kData->audioIn.count; i++)

  914.                     carla_zeroFloat(kData->latencyBuffers[i], kData->latency);

  915.             }

  916. 

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

  918.             {

  919.                 fDescriptor->activate(fHandle);

  920. 

  921.                 if (fHandle2 != nullptr)

  922.                     fDescriptor->activate(fHandle2);

  923.             }

  924.         }

  925. 

  926.         // --------------------------------------------------------------------------------------------------------

  927.         // Event Input and Processing

  928. 

  929.         else if (kData->event.portIn != nullptr)

  930.         {

  931.             // ----------------------------------------------------------------------------------------------------

  932.             // MIDI Input (External)

  933. 

  934.             if (kData->extNotes.mutex.tryLock())

  935.             {

  936.                 while (midiEventCount < MAX_MIDI_EVENTS && ! kData->extNotes.data.isEmpty())

  937.                 {

  938.                     const ExternalMidiNote& note = kData->extNotes.data.getLast(true); // FIXME, should be first

  939. 

  940.                     CARLA_ASSERT(note.channel >= 0);

  941. 

  942.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  943. 

  944.                     fMidiEvents[midiEventCount].type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  945.                     fMidiEvents[midiEventCount].data.note.channel  = note.channel;

  946.                     fMidiEvents[midiEventCount].data.note.note     = note.note;

  947.                     fMidiEvents[midiEventCount].data.note.velocity = note.velo;

  948. 

  949.                     midiEventCount += 1;

  950.                 }

  951. 

  952.                 kData->extNotes.mutex.unlock();

  953. 

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

  955. 

  956.             // ----------------------------------------------------------------------------------------------------

  957.             // Event Input (System)

  958. 

  959.             bool allNotesOffSent = false;

  960.             bool sampleAccurate  = (fHints & PLUGIN_OPTION_FIXED_BUFFER) == 0;

  961. 

  962.             uint32_t time, nEvents = kData->event.portIn->getEventCount();

  963.             uint32_t timeOffset = 0;

  964. 

  965.             uint32_t nextBankId = 0;

  966.             if (kData->midiprog.current >= 0 && kData->midiprog.count > 0)

  967.                 nextBankId = kData->midiprog.data[kData->midiprog.current].bank;

  968. 

  969.             for (i=0; i < nEvents; i++)

  970.             {

  971.                 const EngineEvent& event = kData->event.portIn->getEvent(i);

  972. 

  973.                 time = event.time - framesOffset;

  974. 

  975.                 if (time >= frames)

  976.                     continue;

  977. 

  978.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  979. 

  980.                 if (time > timeOffset && sampleAccurate)

  981.                 {

  982.                     qWarning("Variable proccessing @ frame %04i/%04i for %04i frames, cur:%04i", timeOffset, frames, time - timeOffset, time);

  983.                     processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset, midiEventCount);

  984.                     midiEventCount = 0;

  985.                     nextBankId = 0;

  986.                     timeOffset = time;

  987.                 }

  988. 

  989.                 // Control change

  990.                 switch (event.type)

  991.                 {

  992.                 case kEngineEventTypeNull:

  993.                     break;

  994. 

  995.                 case kEngineEventTypeControl:

  996.                 {

  997.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  998. 

  999.                     switch (ctrlEvent.type)

  1000.                     {

  1001.                     case kEngineControlEventTypeNull:

  1002.                         break;

  1003. 

  1004.                     case kEngineControlEventTypeParameter:

  1005.                     {

  1006.                         // Control backend stuff

  1007.                         if (event.channel == kData->ctrlInChannel)

  1008.                         {

  1009.                             double value;

  1010. 

  1011.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1012.                             {

  1013.                                 value = ctrlEvent.value;

  1014.                                 setDryWet(value, false, false);

  1015.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1016.                                 continue;

  1017.                             }

  1018. 

  1019.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1020.                             {

  1021.                                 value = ctrlEvent.value*127/100;

  1022.                                 setVolume(value, false, false);

  1023.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1024.                                 continue;

  1025.                             }

  1026. 

  1027.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1028.                             {

  1029.                                 double left, right;

  1030.                                 value = ctrlEvent.value/0.5 - 1.0;

  1031. 

  1032.                                 if (value < 0.0)

  1033.                                 {

  1034.                                     left  = -1.0;

  1035.                                     right = (value*2)+1.0;

  1036.                                 }

  1037.                                 else if (value > 0.0)

  1038.                                 {

  1039.                                     left  = (value*2)-1.0;

  1040.                                     right = 1.0;

  1041.                                 }

  1042.                                 else

  1043.                                 {

  1044.                                     left  = -1.0;

  1045.                                     right = 1.0;

  1046.                                 }

  1047. 

  1048.                                 setBalanceLeft(left, false, false);

  1049.                                 setBalanceRight(right, false, false);

  1050.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1051.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1052.                                 continue;

  1053.                             }

  1054.                         }

  1055. 

  1056.                         // Control plugin parameters

  1057.                         for (k=0; k < kData->param.count; k++)

  1058.                         {

  1059.                             if (kData->param.data[k].midiChannel != event.channel)

  1060.                                 continue;

  1061.                             if (kData->param.data[k].midiCC != ctrlEvent.param)

  1062.                                 continue;

  1063.                             if (kData->param.data[k].type != PARAMETER_INPUT)

  1064.                                 continue;

  1065.                             if ((kData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1066.                                 continue;

  1067. 

  1068.                             double value;

  1069. 

  1070.                             if (kData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1071.                             {

  1072.                                 value = (ctrlEvent.value < 0.5) ? kData->param.ranges[k].min : kData->param.ranges[k].max;

  1073.                             }

  1074.                             else

  1075.                             {

  1076.                                 // FIXME - ranges call for this

  1077.                                 value = ctrlEvent.value * (kData->param.ranges[k].max - kData->param.ranges[k].min) + kData->param.ranges[k].min;

  1078. 

  1079.                                 if (kData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1080.                                     value = std::rint(value);

  1081.                             }

  1082. 

  1083.                             setParameterValue(k, value, false, false, false);

  1084.                             postponeRtEvent(kPluginPostRtEventParameterChange, k, 0, value);

  1085.                         }

  1086. 

  1087.                         break;

  1088.                     }

  1089. 

  1090.                     case kEngineControlEventTypeMidiBank:

  1091.                         if (event.channel == kData->ctrlInChannel)

  1092.                             nextBankId = ctrlEvent.param;

  1093.                         break;

  1094. 

  1095.                     case kEngineControlEventTypeMidiProgram:

  1096.                         if (event.channel == kData->ctrlInChannel)

  1097.                         {

  1098.                             const uint32_t nextProgramId = ctrlEvent.param;

  1099. 

  1100.                             for (k=0; k < kData->midiprog.count; k++)

  1101.                             {

  1102.                                 if (kData->midiprog.data[k].bank == nextBankId && kData->midiprog.data[k].program == nextProgramId)

  1103.                                 {

  1104.                                     setMidiProgram(k, false, false, false, false);

  1105.                                     postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0);

  1106.                                     break;

  1107.                                 }

  1108.                             }

  1109.                         }

  1110.                         break;

  1111. 

  1112.                     case kEngineControlEventTypeAllSoundOff:

  1113.                         if (event.channel == kData->ctrlInChannel)

  1114.                         {

  1115.                             if (! allNotesOffSent)

  1116.                                 sendMidiAllNotesOff();

  1117. 

  1118.                             if (fDescriptor->deactivate != nullptr)

  1119.                             {

  1120.                                 fDescriptor->deactivate(fHandle);

  1121. 

  1122.                                 if (fHandle2 != nullptr)

  1123.                                     fDescriptor->deactivate(fHandle2);

  1124.                             }

  1125. 

  1126.                             if (fDescriptor->activate != nullptr)

  1127.                             {

  1128.                                 fDescriptor->activate(fHandle);

  1129. 

  1130.                                 if (fHandle2 != nullptr)

  1131.                                     fDescriptor->activate(fHandle2);

  1132.                             }

  1133. 

  1134.                             postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_ACTIVE, 0, 0.0);

  1135.                             postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_ACTIVE, 0, 1.0);

  1136. 

  1137.                             allNotesOffSent = true;

  1138.                         }

  1139. 

  1140.                         carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1141. 

  1142.                         if (! sampleAccurate)

  1143.                             fMidiEvents[midiEventCount].time.tick = time;

  1144. 

  1145.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1146.                         fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1147.                         fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1148. 

  1149.                         midiEventCount++;

  1150. 

  1151.                         break;

  1152. 

  1153.                     case kEngineControlEventTypeAllNotesOff:

  1154.                         if (event.channel == kData->ctrlInChannel)

  1155.                         {

  1156.                             if (! allNotesOffSent)

  1157.                                 sendMidiAllNotesOff();

  1158. 

  1159.                             allNotesOffSent = true;

  1160.                         }

  1161. 

  1162.                         carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1163. 

  1164.                         if (! sampleAccurate)

  1165.                             fMidiEvents[midiEventCount].time.tick = time;

  1166. 

  1167.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1168.                         fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1169.                         fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1170. 

  1171.                         midiEventCount++;

  1172. 

  1173.                         break;

  1174.                     }

  1175. 

  1176.                     break;

  1177.                 }

  1178. 

  1179.                 case kEngineEventTypeMidi:

  1180.                 {

  1181.                     if (midiEventCount >= MAX_MIDI_EVENTS)

  1182.                         continue;

  1183. 

  1184.                     const EngineMidiEvent& midiEvent = event.midi;

  1185. 

  1186.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1187.                     uint8_t channel = MIDI_GET_CHANNEL_FROM_DATA(midiEvent.data);

  1188. 

  1189.                     // Fix bad note-off (per DSSI spec)

  1190.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1191.                         status -= 0x10;

  1192. 

  1193.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1194. 

  1195.                     //if (! sampleAccurate)

  1196.                     fMidiEvents[midiEventCount].time.tick = time - timeOffset;

  1197. 

  1198.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1199.                     {

  1200.                         const uint8_t note = midiEvent.data[1];

  1201. 

  1202.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEOFF;

  1203.                         fMidiEvents[midiEventCount].data.note.channel = channel;

  1204.                         fMidiEvents[midiEventCount].data.note.note    = note;

  1205. 

  1206.                         postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0);

  1207.                     }

  1208.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1209.                     {

  1210.                         const uint8_t note = midiEvent.data[1];

  1211.                         const uint8_t velo = midiEvent.data[2];

  1212. 

  1213.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEON;

  1214.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1215.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1216.                         fMidiEvents[midiEventCount].data.note.velocity = velo;

  1217. 

  1218.                         postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1219.                     }

  1220.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status))

  1221.                     {

  1222.                         const uint8_t note     = midiEvent.data[1];

  1223.                         const uint8_t pressure = midiEvent.data[2];

  1224. 

  1225.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_KEYPRESS;

  1226.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1227.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1228.                         fMidiEvents[midiEventCount].data.note.velocity = pressure;

  1229.                     }

  1230.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fHints & PLUGIN_OPTION_SELF_AUTOMATION) != 0)

  1231.                     {

  1232.                         const uint8_t control = midiEvent.data[1];

  1233.                         const uint8_t value   = midiEvent.data[2];

  1234. 

  1235.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1236.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1237.                         fMidiEvents[midiEventCount].data.control.param   = control;

  1238.                         fMidiEvents[midiEventCount].data.control.value   = value;

  1239.                     }

  1240.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status))

  1241.                     {

  1242.                         const uint8_t pressure = midiEvent.data[1];

  1243. 

  1244.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CHANPRESS;

  1245.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1246.                         fMidiEvents[midiEventCount].data.control.value   = pressure;

  1247.                     }

  1248.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status))

  1249.                     {

  1250.                         const uint8_t lsb = midiEvent.data[1];

  1251.                         const uint8_t msb = midiEvent.data[2];

  1252. 

  1253.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_PITCHBEND;

  1254.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1255.                         fMidiEvents[midiEventCount].data.control.value   = ((msb << 7) | lsb) - 8192;

  1256.                     }

  1257.                     else

  1258.                         continue;

  1259. 

  1260.                     midiEventCount += 1;

  1261. 

  1262.                     break;

  1263.                 }

  1264.                 }

  1265.             }

  1266. 

  1267.             kData->postRtEvents.trySplice();

  1268. 

  1269.             if (frames > timeOffset)

  1270.             {

  1271.                 if (timeOffset != 0)

  1272.                     qWarning("FINAL    proccessing @ frame %04i/%04i for %04i frames, cur:%04i", timeOffset, frames, frames - timeOffset, time);

  1273. 

  1274.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1275.             }

  1276. 

  1277.         } // End of Event Input and Processing

  1278. 

  1279.         // --------------------------------------------------------------------------------------------------------

  1280.         // Plugin processing (no events)

  1281. 

  1282.         else

  1283.         {

  1284.             processSingle(inBuffer, outBuffer, frames, 0, 0);

  1285. 

  1286.         } // End of Plugin processing (no events)

  1287. 

  1288.         // --------------------------------------------------------------------------------------------------------

  1289.         // Special Parameters

  1290. 

  1291. #if 0

  1292.         CARLA_PROCESS_CONTINUE_CHECK;

  1293. 

  1294.         for (k=0; k < param.count; k++)

  1295.         {

  1296.             if (param.data[k].type == PARAMETER_LATENCY)

  1297.             {

  1298.                 // TODO

  1299.             }

  1300.         }

  1301. 

  1302.         CARLA_PROCESS_CONTINUE_CHECK;

  1303. #endif

  1304. 

  1305.         CARLA_PROCESS_CONTINUE_CHECK;

  1306. 

  1307.         // --------------------------------------------------------------------------------------------------------

  1308.         // Post-processing (dry/wet, volume and balance)

  1309. 

  1310.         {

  1311.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) > 0 && kData->postProc.dryWet != 1.0f;

  1312.             const bool doVolume  = (fHints & PLUGIN_CAN_VOLUME) > 0 && kData->postProc.volume != 1.0f;

  1313.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (kData->postProc.balanceLeft != -1.0f || kData->postProc.balanceRight != 1.0f);

  1314. 

  1315.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1316. 

  1317.             for (i=0; i < kData->audioOut.count; i++)

  1318.             {

  1319.                 // Dry/Wet

  1320.                 if (doDryWet)

  1321.                 {

  1322. #if 0

  1323.                     for (k=0; k < frames; k++)

  1324.                     {

  1325.                         if (k < m_latency && m_latency < frames)

  1326.                             bufValue = (aIn.count == 1) ? m_latencyBuffers[0][k] : m_latencyBuffers[i][k];

  1327.                         else

  1328.                             bufValue = (aIn.count == 1) ? inBuffer[0][k-m_latency] : inBuffer[i][k-m_latency];

  1329. 

  1330.                         outBuffer[i][k] = (outBuffer[i][k]*x_dryWet)+(bufValue*(1.0-x_dryWet));

  1331.                     }

  1332. #endif

  1333.                     for (k=0; k < frames; k++)

  1334.                     {

  1335.                         // TODO

  1336.                         //if (k < kData->latency && kData->latency < frames)

  1337.                         //    bufValue = (kData->audioIn.count == 1) ? kData->latencyBuffers[0][k] : kData->latencyBuffers[i][k];

  1338.                         //else

  1339.                         //    bufValue = (kData->audioIn.count == 1) ? inBuffer[0][k-m_latency] : inBuffer[i][k-m_latency];

  1340. 

  1341.                         bufValue = inBuffer[ (kData->audioIn.count == 1) ? 0 : i ][k];

  1342. 

  1343.                         outBuffer[i][k] = (outBuffer[i][k] * kData->postProc.dryWet) + (bufValue * (1.0f - kData->postProc.dryWet));

  1344.                     }

  1345.                 }

  1346. 

  1347.                 // Balance

  1348.                 if (doBalance)

  1349.                 {

  1350.                     if (i % 2 == 0)

  1351.                         std::memcpy(oldBufLeft, outBuffer[i], sizeof(float)*frames);

  1352. 

  1353.                     float balRangeL = (kData->postProc.balanceLeft  + 1.0f)/2.0f;

  1354.                     float balRangeR = (kData->postProc.balanceRight + 1.0f)/2.0f;

  1355. 

  1356.                     for (k=0; k < frames; k++)

  1357.                     {

  1358.                         if (i % 2 == 0)

  1359.                         {

  1360.                             // left

  1361.                             outBuffer[i][k]  = oldBufLeft[k]     * (1.0f - balRangeL);

  1362.                             outBuffer[i][k] += outBuffer[i+1][k] * (1.0f - balRangeR);

  1363.                         }

  1364.                         else

  1365.                         {

  1366.                             // right

  1367.                             outBuffer[i][k]  = outBuffer[i][k] * balRangeR;

  1368.                             outBuffer[i][k] += oldBufLeft[k]   * balRangeL;

  1369.                         }

  1370.                     }

  1371.                 }

  1372. 

  1373.                 // Volume

  1374.                 if (doVolume)

  1375.                 {

  1376.                     for (k=0; k < frames; k++)

  1377.                         outBuffer[i][k] *= kData->postProc.volume;

  1378.                 }

  1379.             }

  1380. 

  1381. #if 0

  1382.             // Latency, save values for next callback, TODO

  1383.             if (kData->latency > 0 && kData->latency < frames)

  1384.             {

  1385.                 for (i=0; i < kData->audioIn.count; i++)

  1386.                     std::memcpy(kData->latencyBuffers[i], inBuffer[i] + (frames - kData->latency), sizeof(float)*kData->latency);

  1387.             }

  1388. #endif

  1389.         } // End of Post-processing

  1390. 

  1391.         CARLA_PROCESS_CONTINUE_CHECK;

  1392. 

  1393.         // --------------------------------------------------------------------------------------------------------

  1394.         // Control Output

  1395. 

  1396.         if (kData->event.portOut != nullptr)

  1397.         {

  1398.             float value;

  1399. 

  1400.             for (k=0; k < kData->param.count; k++)

  1401.             {

  1402.                 if (kData->param.data[k].type != PARAMETER_OUTPUT)

  1403.                     continue;

  1404. 

  1405.                 kData->param.ranges[k].fixValue(fParamBuffers[k]);

  1406. 

  1407.                 if (kData->param.data[k].midiCC > 0)

  1408.                 {

  1409.                     value = kData->param.ranges[k].normalizeValue(fParamBuffers[k]);

  1410.                     kData->event.portOut->writeControlEvent(framesOffset, kData->param.data[k].midiChannel, kEngineControlEventTypeParameter, kData->param.data[k].midiCC, value);

  1411.                 }

  1412.             }

  1413. 

  1414.         } // End of Control Output

  1415. 

  1416.         CARLA_PROCESS_CONTINUE_CHECK;

  1417. 

  1418.         // --------------------------------------------------------------------------------------------------------

  1419. 

  1420.         kData->activeBefore = kData->active;

  1421.     }

  1422. 

  1423.     void processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const uint32_t midiEventCount)

  1424.     {

  1425.         for (uint32_t i=0; i < kData->audioIn.count; i++)

  1426.             std::memcpy(fAudioInBuffers[i], inBuffer[i]+timeOffset, sizeof(float)*frames);

  1427.         for (uint32_t i=0; i < kData->audioOut.count; i++)

  1428.             carla_zeroFloat(fAudioOutBuffers[i], frames);

  1429. 

  1430.         if (fDssiDescriptor->run_synth != nullptr)

  1431.         {

  1432.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1433. 

  1434.             if (fHandle2 != nullptr)

  1435.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1436.         }

  1437.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1438.         {

  1439.             unsigned long instances = (fHandle2 != nullptr) ? 2 : 1;

  1440.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1441.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1442.             unsigned long midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1443.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1444.         }

  1445.         else

  1446.         {

  1447.             fDescriptor->run(fHandle, frames);

  1448. 

  1449.             if (fHandle2 != nullptr)

  1450.                 fDescriptor->run(fHandle2, frames);

  1451.         }

  1452. 

  1453.         for (uint32_t i=0, k; i < kData->audioOut.count; i++)

  1454.         {

  1455.             for (k=0; k < frames; k++)

  1456.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1457.         }

  1458.     }

  1459. 

  1460.     void bufferSizeChanged(const uint32_t newBufferSize)

  1461.     {

  1462.         for (uint32_t i=0; i < kData->audioIn.count; i++)

  1463.         {

  1464.             if (fAudioInBuffers[i] != nullptr)

  1465.                 delete[] fAudioInBuffers[i];

  1466.             fAudioInBuffers[i] = new float[newBufferSize];

  1467.         }

  1468. 

  1469.         for (uint32_t i=0; i < kData->audioOut.count; i++)

  1470.         {

  1471.             if (fAudioOutBuffers[i] != nullptr)

  1472.                 delete[] fAudioOutBuffers[i];

  1473.             fAudioOutBuffers[i] = new float[newBufferSize];

  1474.         }

  1475. 

  1476.         if (fHandle2 == nullptr)

  1477.         {

  1478.             for (uint32_t i=0; i < kData->audioIn.count; i++)

  1479.             {

  1480.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1481.                 fDescriptor->connect_port(fHandle, kData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1482.             }

  1483. 

  1484.             for (uint32_t i=0; i < kData->audioOut.count; i++)

  1485.             {

  1486.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  1487.                 fDescriptor->connect_port(fHandle, kData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1488.             }

  1489.         }

  1490.         else

  1491.         {

  1492.             if (kData->audioIn.count > 0)

  1493.             {

  1494.                 CARLA_ASSERT(kData->audioIn.count == 2);

  1495.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1496.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1497. 

  1498.                 fDescriptor->connect_port(fHandle,  kData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1499.                 fDescriptor->connect_port(fHandle2, kData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1500.             }

  1501. 

  1502.             if (kData->audioOut.count > 0)

  1503.             {

  1504.                 CARLA_ASSERT(kData->audioOut.count == 2);

  1505.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1506.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1507. 

  1508.                 fDescriptor->connect_port(fHandle,  kData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1509.                 fDescriptor->connect_port(fHandle2, kData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1510.             }

  1511.         }

  1512.     }

  1513. 

  1514.     // -------------------------------------------------------------------

  1515.     // Post-poned events

  1516. 

  1517.     void uiParameterChange(const uint32_t index, const float value)

  1518.     {

  1519.         CARLA_ASSERT(index < kData->param.count);

  1520. 

  1521.         if (index >= kData->param.count)

  1522.             return;

  1523.         if (kData->osc.data.target == nullptr)

  1524.             return;

  1525. 

  1526.         osc_send_control(&kData->osc.data, kData->param.data[index].rindex, value);

  1527.     }

  1528. 

  1529.     void uiMidiProgramChange(const uint32_t index)

  1530.     {

  1531.         CARLA_ASSERT(index < kData->midiprog.count);

  1532. 

  1533.         if (index >= kData->midiprog.count)

  1534.             return;

  1535.         if (kData->osc.data.target == nullptr)

  1536.             return;

  1537. 

  1538.         osc_send_program(&kData->osc.data, kData->midiprog.data[index].bank, kData->midiprog.data[index].program);

  1539.     }

  1540. 

  1541.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  1542.     {

  1543.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1544.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1545.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1546. 

  1547.         if (channel >= MAX_MIDI_CHANNELS)

  1548.             return;

  1549.         if (note >= MAX_MIDI_NOTE)

  1550.             return;

  1551.         if (velo >= MAX_MIDI_VALUE)

  1552.             return;

  1553.         if (kData->osc.data.target == nullptr)

  1554.             return;

  1555. 

  1556.         uint8_t midiData[4] = { 0 };

  1557.         midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  1558.         midiData[2] = note;

  1559.         midiData[3] = velo;

  1560. 

  1561.         osc_send_midi(&kData->osc.data, midiData);

  1562.     }

  1563. 

  1564.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  1565.     {

  1566.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1567.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1568. 

  1569.         if (channel >= MAX_MIDI_CHANNELS)

  1570.             return;

  1571.         if (note >= MAX_MIDI_NOTE)

  1572.             return;

  1573.         if (kData->osc.data.target == nullptr)

  1574.             return;

  1575. 

  1576.         uint8_t midiData[4] = { 0 };

  1577.         midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  1578.         midiData[2] = note;

  1579. 

  1580.         osc_send_midi(&kData->osc.data, midiData);

  1581.     }

  1582. 

  1583.     // -------------------------------------------------------------------

  1584.     // Cleanup

  1585. 

  1586.     void deleteBuffers()

  1587.     {

  1588.         qDebug("DssiPlugin::deleteBuffers() - start");

  1589. 

  1590.         if (fAudioInBuffers != nullptr)

  1591.         {

  1592.             for (uint32_t i=0; i < kData->audioIn.count; i++)

  1593.             {

  1594.                 if (fAudioInBuffers[i] != nullptr)

  1595.                 {

  1596.                     delete[] fAudioInBuffers[i];

  1597.                     fAudioInBuffers[i] = nullptr;

  1598.                 }

  1599.             }

  1600. 

  1601.             delete[] fAudioInBuffers;

  1602.             fAudioInBuffers = nullptr;

  1603.         }

  1604. 

  1605.         if (fAudioOutBuffers != nullptr)

  1606.         {

  1607.             for (uint32_t i=0; i < kData->audioOut.count; i++)

  1608.             {

  1609.                 if (fAudioOutBuffers[i] != nullptr)

  1610.                 {

  1611.                     delete[] fAudioOutBuffers[i];

  1612.                     fAudioOutBuffers[i] = nullptr;

  1613.                 }

  1614.             }

  1615. 

  1616.             delete[] fAudioOutBuffers;

  1617.             fAudioOutBuffers = nullptr;

  1618.         }

  1619. 

  1620.         if (fParamBuffers != nullptr)

  1621.         {

  1622.             delete[] fParamBuffers;

  1623.             fParamBuffers = nullptr;

  1624.         }

  1625. 

  1626.         CarlaPlugin::deleteBuffers();

  1627. 

  1628.         qDebug("DssiPlugin::deleteBuffers() - end");

  1629.     }

  1630. 

  1631.     // -------------------------------------------------------------------

  1632. 

  1633.     bool init(const char* const filename, const char* const name, const char* const label, const char* const guiFilename)

  1634.     {

  1635.         CARLA_ASSERT(kData->engine != nullptr);

  1636.         CARLA_ASSERT(kData->client == nullptr);

  1637.         CARLA_ASSERT(filename != nullptr);

  1638.         CARLA_ASSERT(label != nullptr);

  1639. 

  1640.         // ---------------------------------------------------------------

  1641.         // open DLL

  1642. 

  1643.         if (! libOpen(filename))

  1644.         {

  1645.             kData->engine->setLastError(libError(filename));

  1646.             return false;

  1647.         }

  1648. 

  1649.         // ---------------------------------------------------------------

  1650.         // get DLL main entry

  1651. 

  1652.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)libSymbol("dssi_descriptor");

  1653. 

  1654.         if (descFn == nullptr)

  1655.         {

  1656.             kData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1657.             return false;

  1658.         }

  1659. 

  1660.         // ---------------------------------------------------------------

  1661.         // get descriptor that matches label

  1662. 

  1663.         unsigned long i = 0;

  1664.         while ((fDssiDescriptor = descFn(i++)) != nullptr)

  1665.         {

  1666.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  1667.             if (fDescriptor != nullptr && fDescriptor->Label != nullptr && std::strcmp(fDescriptor->Label, label) == 0)

  1668.                 break;

  1669.         }

  1670. 

  1671.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  1672.         {

  1673.             kData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  1674.             return false;

  1675.         }

  1676. 

  1677.         // ---------------------------------------------------------------

  1678.         // get info

  1679. 

  1680.         if (name != nullptr)

  1681.             fName = kData->engine->getNewUniquePluginName(name);

  1682.         else if (fDescriptor->Name != nullptr)

  1683.             fName = kData->engine->getNewUniquePluginName(fDescriptor->Name);

  1684.         else

  1685.             fName = kData->engine->getNewUniquePluginName(fDescriptor->Label);

  1686. 

  1687.         fFilename = filename;

  1688. 

  1689.         // ---------------------------------------------------------------

  1690.         // register client

  1691. 

  1692.         kData->client = kData->engine->addClient(this);

  1693. 

  1694.         if (kData->client == nullptr || ! kData->client->isOk())

  1695.         {

  1696.             kData->engine->setLastError("Failed to register plugin client");

  1697.             return false;

  1698.         }

  1699. 

  1700.         // ---------------------------------------------------------------

  1701.         // initialize plugin

  1702. 

  1703.         fHandle = fDescriptor->instantiate(fDescriptor, kData->engine->getSampleRate());

  1704. 

  1705.         if (fHandle == nullptr)

  1706.         {

  1707.             kData->engine->setLastError("Plugin failed to initialize");

  1708.             return false;

  1709.         }

  1710. 

  1711.         // ---------------------------------------------------------------

  1712.         // gui stuff

  1713. 

  1714.         if (guiFilename)

  1715.         {

  1716.             kData->osc.thread = new CarlaPluginThread(kData->engine, this, CarlaPluginThread::PLUGIN_THREAD_DSSI_GUI);

  1717.             kData->osc.thread->setOscData(guiFilename, fDescriptor->Label);

  1718. 

  1719.             fHints |= PLUGIN_HAS_GUI;

  1720.         }

  1721. 

  1722.         return true;

  1723.     }

  1724. 

  1725. private:

  1726.     LADSPA_Handle fHandle;

  1727.     LADSPA_Handle fHandle2;

  1728.     const LADSPA_Descriptor* fDescriptor;

  1729.     const DSSI_Descriptor*   fDssiDescriptor;

  1730. 

  1731.     float** fAudioInBuffers;

  1732.     float** fAudioOutBuffers;

  1733.     float*  fParamBuffers;

  1734.     snd_seq_event_t fMidiEvents[MAX_MIDI_EVENTS];

  1735.     QByteArray      fChunk;

  1736. };

  1737. 

  1738. CARLA_BACKEND_END_NAMESPACE

  1739. 

  1740. #else // WANT_DSSI

  1741. # warning Building without DSSI support

  1742. #endif

  1743. 

  1744. CARLA_BACKEND_START_NAMESPACE

  1745. 

  1746. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init, const char* const guiFilename)

  1747. {

  1748.     qDebug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\"}, \"%s\")", init.engine, init.filename, init.name, init.label, guiFilename);

  1749. 

  1750. #ifdef WANT_DSSI

  1751.     DssiPlugin* const plugin = new DssiPlugin(init.engine, init.id);

  1752. 

  1753.     if (! plugin->init(init.filename, init.name, init.label, guiFilename))

  1754.     {

  1755.         delete plugin;

  1756.         return nullptr;

  1757.     }

  1758. 

  1759.     plugin->reload();

  1760. 

  1761.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && (plugin->hints() & PLUGIN_CAN_FORCE_STEREO) == 0)

  1762.     {

  1763.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  1764.         delete plugin;

  1765.         return nullptr;

  1766.     }

  1767. 

  1768.     plugin->registerToOscClient();

  1769. 

  1770.     return plugin;

  1771. #else

  1772.     init.engine->setLastError("DSSI support not available");

  1773.     return nullptr;

  1774. #endif

  1775. }

  1776. 

  1777. CARLA_BACKEND_END_NAMESPACE