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Carla/source/backend/plugin/DssiPlugin.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 "CarlaPluginInternal.hpp"

  19. 

  20. #ifdef WANT_DSSI

  21. 

  22. #include "CarlaLadspaUtils.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.         carla_debug("DssiPlugin::DssiPlugin(%p, %i)", engine, id);

  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.         if (engine->getOptions().useDssiVstChunks)

  47.             fOptions |= PLUGIN_OPTION_USE_CHUNKS;

  48.     }

  49. 

  50.     ~DssiPlugin()

  51.     {

  52.         carla_debug("DssiPlugin::~DssiPlugin()");

  53. 

  54.         // close UI

  55.         if (fHints & PLUGIN_HAS_GUI)

  56.         {

  57.             showGui(false);

  58. 

  59.             // Wait a bit first, then force kill

  60.             if (kData->osc.thread.isRunning() && ! kData->osc.thread.stop(kData->engine->getOptions().oscUiTimeout))

  61.             {

  62.                 carla_stderr("DSSI GUI thread still running, forcing termination now");

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

  64.             }

  65.         }

  66. 

  67.         if (fDescriptor != nullptr)

  68.         {

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

  70.             {

  71.                 if (fHandle != nullptr)

  72.                     fDescriptor->deactivate(fHandle);

  73.                 if (fHandle2 != nullptr)

  74.                     fDescriptor->deactivate(fHandle2);

  75.             }

  76. 

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

  78.             {

  79.                 if (fHandle != nullptr)

  80.                     fDescriptor->cleanup(fHandle);

  81.                 if (fHandle2 != nullptr)

  82.                     fDescriptor->cleanup(fHandle2);

  83.             }

  84. 

  85.             fHandle  = nullptr;

  86.             fHandle2 = nullptr;

  87.             fDescriptor = nullptr;

  88.             fDssiDescriptor = nullptr;

  89.         }

  90. 

  91.         deleteBuffers();

  92.     }

  93. 

  94.     // -------------------------------------------------------------------

  95.     // Information (base)

  96. 

  97.     PluginType type() const

  98.     {

  99.         return PLUGIN_DSSI;

  100.     }

  101. 

  102.     PluginCategory category() const

  103.     {

  104.         if (fHints & PLUGIN_IS_SYNTH)

  105.             return PLUGIN_CATEGORY_SYNTH;

  106. 

  107.         return getPluginCategoryFromName(fName);

  108.     }

  109. 

  110.     long uniqueId() const

  111.     {

  112.         CARLA_ASSERT(fDescriptor != nullptr);

  113. 

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

  115.     }

  116. 

  117.     // -------------------------------------------------------------------

  118.     // Information (current data)

  119. 

  120.     int32_t chunkData(void** const dataPtr)

  121.     {

  122.         CARLA_ASSERT(fHints & PLUGIN_USES_CHUNKS);

  123.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  125.         CARLA_ASSERT(fHandle != nullptr);

  126.         CARLA_ASSERT(fHandle2 == nullptr);

  127.         CARLA_ASSERT(dataPtr != nullptr);

  128. 

  129.         unsigned long dataSize = 0;

  130. 

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

  132.             return dataSize;

  133. 

  134.         return 0;

  135.     }

  136. 

  137.     // -------------------------------------------------------------------

  138.     // Information (per-plugin data)

  139. 

  140.     float getParameterValue(const uint32_t parameterId)

  141.     {

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

  143. 

  144.         return fParamBuffers[parameterId];

  145.     }

  146. 

  147.     void getLabel(char* const strBuf)

  148.     {

  149.         CARLA_ASSERT(fDescriptor != nullptr);

  150. 

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

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

  153.         else

  154.             CarlaPlugin::getLabel(strBuf);

  155.     }

  156. 

  157.     void getMaker(char* const strBuf)

  158.     {

  159.         CARLA_ASSERT(fDescriptor != nullptr);

  160. 

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

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

  163.         else

  164.             CarlaPlugin::getMaker(strBuf);

  165.     }

  166. 

  167.     void getCopyright(char* const strBuf)

  168.     {

  169.         CARLA_ASSERT(fDescriptor != nullptr);

  170. 

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

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

  173.         else

  174.             CarlaPlugin::getCopyright(strBuf);

  175.     }

  176. 

  177.     void getRealName(char* const strBuf)

  178.     {

  179.         CARLA_ASSERT(fDescriptor != nullptr);

  180. 

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

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

  183.         else

  184.             CarlaPlugin::getRealName(strBuf);

  185.     }

  186. 

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

  188.     {

  189.         CARLA_ASSERT(fDescriptor != nullptr);

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

  191. 

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

  193. 

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

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

  196.         else

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

  198.     }

  199. 

  200.     // -------------------------------------------------------------------

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

  202. 

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

  204.     {

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

  206. 

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

  208.         fParamBuffers[parameterId] = fixedValue;

  209. 

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

  211.     }

  212. 

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

  214.     {

  215.         CARLA_ASSERT(fDescriptor != nullptr);

  216.         CARLA_ASSERT(fHandle != nullptr);

  217.         CARLA_ASSERT(type != nullptr);

  218.         CARLA_ASSERT(key != nullptr);

  219.         CARLA_ASSERT(value != nullptr);

  220. 

  221.         if (type == nullptr)

  222.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is invalid", type, key, value, bool2str(sendGui));

  223. 

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

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

  226. 

  227.         if (key == nullptr)

  228.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - key is null", type, key, value, bool2str(sendGui));

  229. 

  230.         if (value == nullptr)

  231.             return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - value is null", type, key, value, bool2str(sendGui));

  232. 

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

  234.         {

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

  236. 

  237.             if (fHandle2)

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

  239.         }

  240. 

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

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

  243. 

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

  245.         {

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

  247.             reloadPrograms(false);

  248.         }

  249. 

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

  251.     }

  252. 

  253.     void setChunkData(const char* const stringData)

  254.     {

  255.         CARLA_ASSERT(fHints & PLUGIN_USES_CHUNKS);

  256.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  258.         CARLA_ASSERT(fHandle != nullptr);

  259.         CARLA_ASSERT(fHandle2 == nullptr);

  260.         CARLA_ASSERT(stringData != nullptr);

  261. 

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

  263.             return;

  264. 

  265.         // FIXME

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

  267.         //fChunk.toBase64();

  268. 

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

  270.         {

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

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

  273.         }

  274.         else

  275.         {

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

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

  278.         }

  279.     }

  280. 

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

  282.     {

  283.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  284.         CARLA_ASSERT(fHandle != nullptr);

  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 (fDssiDescriptor != nullptr && fHandle != nullptr && 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 (fHandle2 != nullptr)

  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 != nullptr)

  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.         if (yesNo)

  326.         {

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

  328.         }

  329.         else

  330.         {

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

  332.             {

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

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

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

  336.             }

  337. 

  338.             if (kData->osc.thread.isRunning() && ! kData->osc.thread.stop(kData->engine->getOptions().oscUiTimeout))

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

  340.         }

  341.     }

  342. 

  343.     // -------------------------------------------------------------------

  344.     // Plugin state

  345. 

  346.     void reload()

  347.     {

  348.         carla_debug("DssiPlugin::reload() - start");

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

  350.         CARLA_ASSERT(fDescriptor != nullptr);

  351.         CARLA_ASSERT(fHandle != nullptr);

  352. 

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

  354. 

  355.         // Safely disable plugin for reload

  356.         const ScopedDisabler sd(this);

  357. 

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

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

  360. 

  361.         deleteBuffers();

  362. 

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

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

  365. 

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

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

  368. 

  369.         bool forcedStereoIn, forcedStereoOut;

  370.         forcedStereoIn = forcedStereoOut = false;

  371. 

  372.         bool needsCtrlIn, needsCtrlOut;

  373.         needsCtrlIn = needsCtrlOut = false;

  374. 

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

  376.         {

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

  378. 

  379.             if (LADSPA_IS_PORT_AUDIO(portType))

  380.             {

  381.                 if (LADSPA_IS_PORT_INPUT(portType))

  382.                     aIns += 1;

  383.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  384.                     aOuts += 1;

  385.             }

  386.             else if (LADSPA_IS_PORT_CONTROL(portType))

  387.                 params += 1;

  388.         }

  389. 

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

  391.         {

  392.             if (fHandle2 == nullptr)

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

  394. 

  395.             if (aIns == 1)

  396.             {

  397.                 aIns = 2;

  398.                 forcedStereoIn = true;

  399.             }

  400. 

  401.             if (aOuts == 1)

  402.             {

  403.                 aOuts = 2;

  404.                 forcedStereoOut = true;

  405.             }

  406.         }

  407. 

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

  409.         {

  410.             mIns = 1;

  411.             needsCtrlIn = true;

  412.         }

  413. 

  414.         if (aIns > 0)

  415.         {

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

  417.             fAudioInBuffers = new float*[aIns];

  418. 

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

  420.                 fAudioInBuffers[i] = nullptr;

  421.         }

  422. 

  423.         if (aOuts > 0)

  424.         {

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

  426.             fAudioOutBuffers = new float*[aOuts];

  427.             needsCtrlIn = true;

  428. 

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

  430.                 fAudioOutBuffers[i] = nullptr;

  431.         }

  432. 

  433.         if (params > 0)

  434.         {

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

  436.             fParamBuffers = new float[params];

  437.         }

  438. 

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

  440.         CarlaString portName;

  441. 

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

  443.         {

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

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

  446. 

  447.             if (LADSPA_IS_PORT_AUDIO(portType))

  448.             {

  449.                 portName.clear();

  450. 

  451.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  452.                 {

  453.                     portName  = fName;

  454.                     portName += ":";

  455.                 }

  456. 

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

  458.                 portName.truncate(portNameSize);

  459. 

  460.                 if (LADSPA_IS_PORT_INPUT(portType))

  461.                 {

  462.                     j = iAudioIn++;

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

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

  465. 

  466.                     if (forcedStereoIn)

  467.                     {

  468.                         portName += "_2";

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

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

  471.                     }

  472.                 }

  473.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  474.                 {

  475.                     j = iAudioOut++;

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

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

  478. 

  479.                     if (forcedStereoOut)

  480.                     {

  481.                         portName += "_2";

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

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

  484.                     }

  485.                 }

  486.                 else

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

  488.             }

  489.             else if (LADSPA_IS_PORT_CONTROL(portType))

  490.             {

  491.                 j = iCtrl++;

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

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

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

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

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

  497. 

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

  499. 

  500.                 // min value

  501.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  502.                     min = portRangeHints.LowerBound;

  503.                 else

  504.                     min = 0.0f;

  505. 

  506.                 // max value

  507.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  508.                     max = portRangeHints.UpperBound;

  509.                 else

  510.                     max = 1.0f;

  511. 

  512.                 if (min > max)

  513.                     max = min;

  514.                 else if (max < min)

  515.                     min = max;

  516. 

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

  518.                 {

  519.                     carla_stderr2("WARNING - Broken plugin parameter '%s': max - min == 0.0f", fDescriptor->PortNames[i]);

  520.                     max = min + 0.1f;

  521.                 }

  522. 

  523.                 // default value

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

  525. 

  526.                 if (def < min)

  527.                     def = min;

  528.                 else if (def > max)

  529.                     def = max;

  530. 

  531.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  532.                 {

  533.                     min *= sampleRate;

  534.                     max *= sampleRate;

  535.                     def *= sampleRate;

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

  537.                 }

  538. 

  539.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  540.                 {

  541.                     step = max - min;

  542.                     stepSmall = step;

  543.                     stepLarge = step;

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

  545.                 }

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

  547.                 {

  548.                     step = 1.0f;

  549.                     stepSmall = 1.0f;

  550.                     stepLarge = 10.0f;

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

  552.                 }

  553.                 else

  554.                 {

  555.                     float range = max - min;

  556.                     step = range/100.0f;

  557.                     stepSmall = range/1000.0f;

  558.                     stepLarge = range/10.0f;

  559.                 }

  560. 

  561.                 if (LADSPA_IS_PORT_INPUT(portType))

  562.                 {

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

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

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

  566.                     needsCtrlIn = true;

  567. 

  568.                     // MIDI CC value

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

  570.                     {

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

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

  573.                         {

  574.                             int16_t cc = DSSI_CC_NUMBER(controller);

  575.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  577.                         }

  578.                     }

  579.                 }

  580.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  581.                 {

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

  583.                     {

  584.                         min = 0.0f;

  585.                         max = sampleRate;

  586.                         def = 0.0f;

  587.                         step = 1.0f;

  588.                         stepSmall = 1.0f;

  589.                         stepLarge = 1.0f;

  590. 

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

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

  593.                     }

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

  595.                     {

  596.                         def = sampleRate;

  597.                         step = 1.0f;

  598.                         stepSmall = 1.0f;

  599.                         stepLarge = 1.0f;

  600. 

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

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

  603.                     }

  604.                     else

  605.                     {

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

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

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

  609.                         needsCtrlOut = true;

  610.                     }

  611.                 }

  612.                 else

  613.                 {

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

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

  616.                 }

  617. 

  618.                 // extra parameter hints

  619.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  621. 

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

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

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

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

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

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

  628. 

  629.                 // Start parameters in their default values

  630.                 fParamBuffers[j] = def;

  631. 

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

  633. 

  634.                 if (fHandle2 != nullptr)

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

  636.             }

  637.             else

  638.             {

  639.                 // Not Audio or Control

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

  641. 

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

  643. 

  644.                 if (fHandle2 != nullptr)

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

  646.             }

  647.         }

  648. 

  649.         if (needsCtrlIn)

  650.         {

  651.             portName.clear();

  652. 

  653.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  654.             {

  655.                 portName  = fName;

  656.                 portName += ":";

  657.             }

  658. 

  659.             portName += "event-in";

  660.             portName.truncate(portNameSize);

  661. 

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

  663.         }

  664. 

  665.         if (needsCtrlOut)

  666.         {

  667.             portName.clear();

  668. 

  669.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  670.             {

  671.                 portName  = fName;

  672.                 portName += ":";

  673.             }

  674. 

  675.             portName += "event-out";

  676.             portName.truncate(portNameSize);

  677. 

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

  679.         }

  680. 

  681.         // plugin checks

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

  683. 

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

  685.             fHints |= PLUGIN_IS_SYNTH;

  686. 

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

  688.             fHints |= PLUGIN_CAN_DRYWET;

  689. 

  690.         if (aOuts > 0)

  691.             fHints |= PLUGIN_CAN_VOLUME;

  692. 

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

  694.             fHints |= PLUGIN_CAN_BALANCE;

  695. 

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

  697.             fHints |= PLUGIN_CAN_FORCE_STEREO;

  698. 

  699.         // plugin options

  700.         kData->availOptions &= ~(PLUGIN_OPTION_FIXED_BUFFER | PLUGIN_OPTION_SELF_AUTOMATION | PLUGIN_OPTION_SEND_ALL_SOUND_OFF | PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH | PLUGIN_OPTION_SEND_PITCHBEND);

  701. 

  702.         // always available if needed

  703.         kData->availOptions |= PLUGIN_OPTION_SELF_AUTOMATION;

  704. 

  705.         // dssi-vst can do chunks, but needs fixed buffers

  706.         if (QString(fFilename).endsWith("dssi-vst.so", Qt::CaseInsensitive))

  707.         {

  708.             fOptions |= PLUGIN_OPTION_FIXED_BUFFER;

  709. 

  710.             if (fOptions & PLUGIN_OPTION_USE_CHUNKS)

  711.             {

  712.                 if (fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  713.                     fHints |= PLUGIN_USES_CHUNKS;

  714.             }

  715.         }

  716.         else

  717.         {

  718.             kData->availOptions |= PLUGIN_OPTION_FIXED_BUFFER;

  719.         }

  720. 

  721.         // only for plugins with midi input

  722.         if (mIns > 0)

  723.         {

  724.             kData->availOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  725.             kData->availOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  726.             kData->availOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  727.         }

  728. 

  729.         // check latency

  730.         if (fHints & PLUGIN_CAN_DRYWET)

  731.         {

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

  733.             {

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

  735.                     continue;

  736. 

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

  738. 

  739.                 float tmpIn[aIns][2];

  740.                 float tmpOut[aOuts][2];

  741. 

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

  743.                 {

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

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

  746. 

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

  748.                 }

  749. 

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

  751.                 {

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

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

  754. 

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

  756.                 }

  757. 

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

  759.                     fDescriptor->activate(fHandle);

  760. 

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

  762. 

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

  764.                     fDescriptor->deactivate(fHandle);

  765. 

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

  767. 

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

  769.                 {

  770.                     kData->latency = latency;

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

  772.                     recreateLatencyBuffers();

  773.                 }

  774. 

  775.                 break;

  776.             }

  777.         }

  778. 

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

  780.         reloadPrograms(true);

  781. 

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

  783. 

  784.         carla_debug("DssiPlugin::reload() - end");

  785.     }

  786. 

  787.     void reloadPrograms(const bool init)

  788.     {

  789.         carla_debug("DssiPlugin::reloadPrograms(%s)", bool2str(init));

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

  791. 

  792.         // Delete old programs

  793.         kData->midiprog.clear();

  794. 

  795.         // Query new programs

  796.         uint32_t count = 0;

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

  798.         {

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

  800.                 count++;

  801.         }

  802. 

  803.         if (count > 0)

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

  805. 

  806.         // Update data

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

  808.         {

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

  810.             CARLA_ASSERT(pdesc != nullptr);

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

  812. 

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

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

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

  816.         }

  817. 

  818. #ifndef BUILD_BRIDGE

  819.         // Update OSC Names

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

  821.         {

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

  823. 

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

  825.                 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);

  826.         }

  827. #endif

  828. 

  829.         if (init)

  830.         {

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

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

  833.         }

  834.         else

  835.         {

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

  837. 

  838.             // Check if current program is invalid

  839.             bool programChanged = false;

  840. 

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

  842.             {

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

  844.                 kData->midiprog.current = oldCount;

  845.                 programChanged = true;

  846.             }

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

  848.             {

  849.                 // current midi program > count

  850.                 kData->midiprog.current = 0;

  851.                 programChanged = true;

  852.             }

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

  854.             {

  855.                 // programs exist now, but not before

  856.                 kData->midiprog.current = 0;

  857.                 programChanged = true;

  858.             }

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

  860.             {

  861.                 // programs existed before, but not anymore

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

  863.                 programChanged = true;

  864.             }

  865. 

  866.             if (programChanged)

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

  868.         }

  869.     }

  870. 

  871.     // -------------------------------------------------------------------

  872.     // Plugin processing

  873. 

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

  875.     {

  876.         uint32_t i, k;

  877. 

  878.         // --------------------------------------------------------------------------------------------------------

  879.         // Check if active

  880. 

  881.         if (! kData->active)

  882.         {

  883.             // disable any output sound

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

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

  886. 

  887.             if (kData->activeBefore)

  888.             {

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

  890.                 {

  891.                     fDescriptor->deactivate(fHandle);

  892. 

  893.                     if (fHandle2 != nullptr)

  894.                         fDescriptor->deactivate(fHandle2);

  895.                 }

  896.             }

  897. 

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

  899.             return;

  900.         }

  901. 

  902.         unsigned long midiEventCount = 0;

  903. 

  904.         // --------------------------------------------------------------------------------------------------------

  905.         // Check if not active before

  906. 

  907.         if (kData->needsReset || ! kData->activeBefore)

  908.         {

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

  910.             {

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

  912.                 {

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

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

  915. 

  916.                     fMidiEvents[k].type = SND_SEQ_EVENT_CONTROLLER;

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

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

  919. 

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

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

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

  923.                 }

  924. 

  925.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  926.             }

  927. 

  928.             if (kData->latency > 0)

  929.             {

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

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

  932.             }

  933. 

  934.             if (kData->activeBefore)

  935.             {

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

  937.                 {

  938.                     fDescriptor->deactivate(fHandle);

  939. 

  940.                     if (fHandle2 != nullptr)

  941.                         fDescriptor->deactivate(fHandle2);

  942.                 }

  943.             }

  944. 

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

  946.             {

  947.                 fDescriptor->activate(fHandle);

  948. 

  949.                 if (fHandle2 != nullptr)

  950.                     fDescriptor->activate(fHandle2);

  951.             }

  952. 

  953.             kData->needsReset = false;

  954.         }

  955. 

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

  957.         // Event Input and Processing

  958. 

  959.         if (kData->event.portIn != nullptr && kData->activeBefore)

  960.         {

  961.             // ----------------------------------------------------------------------------------------------------

  962.             // MIDI Input (External)

  963. 

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

  965.             {

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

  967.                 {

  968.                     const ExternalMidiNote& note = kData->extNotes.data.getFirst(true);

  969. 

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

  971. 

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

  973. 

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

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

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

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

  978. 

  979.                     midiEventCount += 1;

  980.                 }

  981. 

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

  983. 

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

  985. 

  986.             // ----------------------------------------------------------------------------------------------------

  987.             // Event Input (System)

  988. 

  989.             bool allNotesOffSent = false;

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

  991. 

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

  993.             uint32_t startTime  = 0;

  994.             uint32_t timeOffset = 0;

  995. 

  996.             uint32_t nextBankId = 0;

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

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

  999. 

  1000.             for (i=0; i < nEvents; i++)

  1001.             {

  1002.                 const EngineEvent& event = kData->event.portIn->getEvent(i);

  1003. 

  1004.                 time = event.time;

  1005. 

  1006.                 if (time >= frames)

  1007.                     continue;

  1008. 

  1009.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1010. 

  1011.                 if (time > timeOffset && sampleAccurate)

  1012.                 {

  1013.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset, midiEventCount))

  1014.                     {

  1015.                         midiEventCount = 0;

  1016.                         timeOffset = time;

  1017. 

  1018.                         if (kData->midiprog.current >= 0 && kData->midiprog.count > 0)

  1019.                             nextBankId = kData->midiprog.data[kData->midiprog.current].bank;

  1020.                         else

  1021.                             nextBankId = 0;

  1022.                     }

  1023.                     else

  1024.                         startTime += timeOffset;

  1025.                 }

  1026. 

  1027.                 // Control change

  1028.                 switch (event.type)

  1029.                 {

  1030.                 case kEngineEventTypeNull:

  1031.                     break;

  1032. 

  1033.                 case kEngineEventTypeControl:

  1034.                 {

  1035.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1036. 

  1037.                     switch (ctrlEvent.type)

  1038.                     {

  1039.                     case kEngineControlEventTypeNull:

  1040.                         break;

  1041. 

  1042.                     case kEngineControlEventTypeParameter:

  1043.                     {

  1044.                         // Control backend stuff

  1045.                         if (event.channel == kData->ctrlChannel)

  1046.                         {

  1047.                             double value;

  1048. 

  1049.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1050.                             {

  1051.                                 value = ctrlEvent.value;

  1052.                                 setDryWet(value, false, false);

  1053.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1054.                                 continue;

  1055.                             }

  1056. 

  1057.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1058.                             {

  1059.                                 value = ctrlEvent.value*127/100;

  1060.                                 setVolume(value, false, false);

  1061.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1062.                                 continue;

  1063.                             }

  1064. 

  1065.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1066.                             {

  1067.                                 double left, right;

  1068.                                 value = ctrlEvent.value/0.5 - 1.0;

  1069. 

  1070.                                 if (value < 0.0)

  1071.                                 {

  1072.                                     left  = -1.0;

  1073.                                     right = (value*2)+1.0;

  1074.                                 }

  1075.                                 else if (value > 0.0)

  1076.                                 {

  1077.                                     left  = (value*2)-1.0;

  1078.                                     right = 1.0;

  1079.                                 }

  1080.                                 else

  1081.                                 {

  1082.                                     left  = -1.0;

  1083.                                     right = 1.0;

  1084.                                 }

  1085. 

  1086.                                 setBalanceLeft(left, false, false);

  1087.                                 setBalanceRight(right, false, false);

  1088.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1089.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1090.                                 continue;

  1091.                             }

  1092.                         }

  1093. 

  1094.                         // Control plugin parameters

  1095.                         for (k=0; k < kData->param.count; k++)

  1096.                         {

  1097.                             if (kData->param.data[k].midiChannel != event.channel)

  1098.                                 continue;

  1099.                             if (kData->param.data[k].midiCC != ctrlEvent.param)

  1100.                                 continue;

  1101.                             if (kData->param.data[k].type != PARAMETER_INPUT)

  1102.                                 continue;

  1103.                             if ((kData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1104.                                 continue;

  1105. 

  1106.                             double value;

  1107. 

  1108.                             if (kData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1109.                             {

  1110.                                 value = (ctrlEvent.value < 0.5) ? kData->param.ranges[k].min : kData->param.ranges[k].max;

  1111.                             }

  1112.                             else

  1113.                             {

  1114.                                 // FIXME - ranges call for this

  1115.                                 value = ctrlEvent.value * (kData->param.ranges[k].max - kData->param.ranges[k].min) + kData->param.ranges[k].min;

  1116. 

  1117.                                 if (kData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1118.                                     value = std::rint(value);

  1119.                             }

  1120. 

  1121.                             setParameterValue(k, value, false, false, false);

  1122.                             postponeRtEvent(kPluginPostRtEventParameterChange, k, 0, value);

  1123.                         }

  1124. 

  1125.                         break;

  1126.                     }

  1127. 

  1128.                     case kEngineControlEventTypeMidiBank:

  1129.                         if (event.channel == kData->ctrlChannel)

  1130.                             nextBankId = ctrlEvent.param;

  1131.                         break;

  1132. 

  1133.                     case kEngineControlEventTypeMidiProgram:

  1134.                         if (event.channel == kData->ctrlChannel)

  1135.                         {

  1136.                             const uint32_t nextProgramId = ctrlEvent.param;

  1137. 

  1138.                             for (k=0; k < kData->midiprog.count; k++)

  1139.                             {

  1140.                                 if (kData->midiprog.data[k].bank == nextBankId && kData->midiprog.data[k].program == nextProgramId)

  1141.                                 {

  1142.                                     setMidiProgram(k, false, false, false, false);

  1143.                                     postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0);

  1144.                                     break;

  1145.                                 }

  1146.                             }

  1147.                         }

  1148.                         break;

  1149. 

  1150.                     case kEngineControlEventTypeAllSoundOff:

  1151.                         if (event.channel == kData->ctrlChannel)

  1152.                         {

  1153.                             if (! allNotesOffSent)

  1154.                                 sendMidiAllNotesOff();

  1155. 

  1156.                             if (fDescriptor->deactivate != nullptr)

  1157.                             {

  1158.                                 fDescriptor->deactivate(fHandle);

  1159. 

  1160.                                 if (fHandle2 != nullptr)

  1161.                                     fDescriptor->deactivate(fHandle2);

  1162.                             }

  1163. 

  1164.                             if (fDescriptor->activate != nullptr)

  1165.                             {

  1166.                                 fDescriptor->activate(fHandle);

  1167. 

  1168.                                 if (fHandle2 != nullptr)

  1169.                                     fDescriptor->activate(fHandle2);

  1170.                             }

  1171. 

  1172.                             postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_ACTIVE, 0, 0.0);

  1173.                             postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_ACTIVE, 0, 1.0);

  1174. 

  1175.                             allNotesOffSent = true;

  1176.                         }

  1177. 

  1178.                         if (midiEventCount >= MAX_MIDI_EVENTS)

  1179.                             continue;

  1180. 

  1181.                         carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1182. 

  1183.                         fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1184. 

  1185.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1186.                         fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1187.                         fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1188. 

  1189.                         midiEventCount += 1;

  1190. 

  1191.                         break;

  1192. 

  1193.                     case kEngineControlEventTypeAllNotesOff:

  1194.                         if (event.channel == kData->ctrlChannel)

  1195.                         {

  1196.                             if (! allNotesOffSent)

  1197.                                 sendMidiAllNotesOff();

  1198. 

  1199.                             allNotesOffSent = true;

  1200.                         }

  1201. 

  1202.                         if (midiEventCount >= MAX_MIDI_EVENTS)

  1203.                             continue;

  1204. 

  1205.                         carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1206. 

  1207.                         fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1208. 

  1209.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1210.                         fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1211.                         fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1212. 

  1213.                         midiEventCount += 1;

  1214. 

  1215.                         break;

  1216.                     }

  1217. 

  1218.                     break;

  1219.                 }

  1220. 

  1221.                 case kEngineEventTypeMidi:

  1222.                 {

  1223.                     if (midiEventCount >= MAX_MIDI_EVENTS)

  1224.                         continue;

  1225. 

  1226.                     const EngineMidiEvent& midiEvent = event.midi;

  1227. 

  1228.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1229.                     uint8_t channel = event.channel;

  1230. 

  1231.                     // Fix bad note-off (per DSSI spec)

  1232.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1233.                         status -= 0x10;

  1234. 

  1235.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1236. 

  1237.                     fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1238. 

  1239.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1240.                     {

  1241.                         const uint8_t note = midiEvent.data[1];

  1242. 

  1243.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEOFF;

  1244.                         fMidiEvents[midiEventCount].data.note.channel = channel;

  1245.                         fMidiEvents[midiEventCount].data.note.note    = note;

  1246. 

  1247.                         postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0);

  1248.                     }

  1249.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1250.                     {

  1251.                         const uint8_t note = midiEvent.data[1];

  1252.                         const uint8_t velo = midiEvent.data[2];

  1253. 

  1254.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEON;

  1255.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1256.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1257.                         fMidiEvents[midiEventCount].data.note.velocity = velo;

  1258. 

  1259.                         postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1260.                     }

  1261.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status))

  1262.                     {

  1263.                         const uint8_t note     = midiEvent.data[1];

  1264.                         const uint8_t pressure = midiEvent.data[2];

  1265. 

  1266.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_KEYPRESS;

  1267.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1268.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1269.                         fMidiEvents[midiEventCount].data.note.velocity = pressure;

  1270.                     }

  1271.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fHints & PLUGIN_OPTION_SELF_AUTOMATION) != 0)

  1272.                     {

  1273.                         const uint8_t control = midiEvent.data[1];

  1274.                         const uint8_t value   = midiEvent.data[2];

  1275. 

  1276.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1277.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1278.                         fMidiEvents[midiEventCount].data.control.param   = control;

  1279.                         fMidiEvents[midiEventCount].data.control.value   = value;

  1280.                     }

  1281.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status))

  1282.                     {

  1283.                         const uint8_t pressure = midiEvent.data[1];

  1284. 

  1285.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CHANPRESS;

  1286.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1287.                         fMidiEvents[midiEventCount].data.control.value   = pressure;

  1288.                     }

  1289.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status))

  1290.                     {

  1291.                         const uint8_t lsb = midiEvent.data[1];

  1292.                         const uint8_t msb = midiEvent.data[2];

  1293. 

  1294.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_PITCHBEND;

  1295.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1296.                         fMidiEvents[midiEventCount].data.control.value   = ((msb << 7) | lsb) - 8192;

  1297.                     }

  1298.                     else

  1299.                         continue;

  1300. 

  1301.                     midiEventCount += 1;

  1302. 

  1303.                     break;

  1304.                 }

  1305.                 }

  1306.             }

  1307. 

  1308.             kData->postRtEvents.trySplice();

  1309. 

  1310.             if (frames > timeOffset)

  1311.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1312. 

  1313.         } // End of Event Input and Processing

  1314. 

  1315.         // --------------------------------------------------------------------------------------------------------

  1316.         // Plugin processing (no events)

  1317. 

  1318.         else

  1319.         {

  1320.             processSingle(inBuffer, outBuffer, frames, 0, midiEventCount);

  1321. 

  1322.         } // End of Plugin processing (no events)

  1323. 

  1324.         // --------------------------------------------------------------------------------------------------------

  1325.         // Special Parameters

  1326. 

  1327. #if 0

  1328.         CARLA_PROCESS_CONTINUE_CHECK;

  1329. 

  1330.         for (k=0; k < param.count; k++)

  1331.         {

  1332.             if (param.data[k].type == PARAMETER_LATENCY)

  1333.             {

  1334.                 // TODO

  1335.             }

  1336.         }

  1337. 

  1338.         CARLA_PROCESS_CONTINUE_CHECK;

  1339. #endif

  1340. 

  1341.         CARLA_PROCESS_CONTINUE_CHECK;

  1342. 

  1343.         // --------------------------------------------------------------------------------------------------------

  1344.         // Control Output

  1345. 

  1346.         if (kData->event.portOut != nullptr)

  1347.         {

  1348.             float value;

  1349. 

  1350.             for (k=0; k < kData->param.count; k++)

  1351.             {

  1352.                 if (kData->param.data[k].type != PARAMETER_OUTPUT)

  1353.                     continue;

  1354. 

  1355.                 kData->param.ranges[k].fixValue(fParamBuffers[k]);

  1356. 

  1357.                 if (kData->param.data[k].midiCC > 0)

  1358.                 {

  1359.                     value = kData->param.ranges[k].normalizeValue(fParamBuffers[k]);

  1360.                     kData->event.portOut->writeControlEvent(0, kData->param.data[k].midiChannel, kEngineControlEventTypeParameter, kData->param.data[k].midiCC, value);

  1361.                 }

  1362.             }

  1363. 

  1364.         } // End of Control Output

  1365. 

  1366.         // --------------------------------------------------------------------------------------------------------

  1367. 

  1368.         kData->activeBefore = kData->active;

  1369.     }

  1370. 

  1371.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const uint32_t midiEventCount)

  1372.     {

  1373.         uint32_t i, k;

  1374. 

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

  1376.         // Try lock, silence otherwise

  1377. 

  1378.         if (! kData->mutex.tryLock())

  1379.         {

  1380.             for (i=0; i < kData->audioOut.count; i++)

  1381.             {

  1382.                 for (k=0; k < frames; k++)

  1383.                     outBuffer[i][k+timeOffset] = 0.0f;

  1384.             }

  1385. 

  1386.             return false;

  1387.         }

  1388. 

  1389.         // --------------------------------------------------------------------------------------------------------

  1390.         // Fill plugin buffers

  1391. 

  1392.         for (i=0; i < kData->audioIn.count; i++)

  1393.             carla_copyFloat(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1394.         for (i=0; i < kData->audioOut.count; i++)

  1395.             carla_zeroFloat(fAudioOutBuffers[i], frames);

  1396. 

  1397.         // --------------------------------------------------------------------------------------------------------

  1398.         // Run plugin

  1399. 

  1400.         if (fDssiDescriptor->run_synth != nullptr)

  1401.         {

  1402.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1403. 

  1404.             if (fHandle2 != nullptr)

  1405.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1406.         }

  1407.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1408.         {

  1409.             unsigned long instances = (fHandle2 != nullptr) ? 2 : 1;

  1410.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1411.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1412.             unsigned long midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1413.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1414.         }

  1415.         else

  1416.         {

  1417.             fDescriptor->run(fHandle, frames);

  1418. 

  1419.             if (fHandle2 != nullptr)

  1420.                 fDescriptor->run(fHandle2, frames);

  1421.         }

  1422. 

  1423.         // --------------------------------------------------------------------------------------------------------

  1424.         // Post-processing (dry/wet, volume and balance)

  1425. 

  1426.         {

  1427.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) > 0 && kData->postProc.dryWet != 1.0f;

  1428.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) > 0 && (kData->postProc.balanceLeft != -1.0f || kData->postProc.balanceRight != 1.0f);

  1429. 

  1430.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1431. 

  1432.             for (i=0; i < kData->audioOut.count; i++)

  1433.             {

  1434.                 // Dry/Wet

  1435.                 if (doDryWet)

  1436.                 {

  1437.                     for (k=0; k < frames; k++)

  1438.                     {

  1439.                         // TODO

  1440.                         //if (k < kData->latency && kData->latency < frames)

  1441.                         //    bufValue = (kData->audioIn.count == 1) ? kData->latencyBuffers[0][k] : kData->latencyBuffers[i][k];

  1442.                         //else

  1443.                         //    bufValue = (kData->audioIn.count == 1) ? inBuffer[0][k-m_latency] : inBuffer[i][k-m_latency];

  1444. 

  1445.                         bufValue = fAudioInBuffers[(kData->audioIn.count == 1) ? 0 : i][k];

  1446.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * kData->postProc.dryWet) + (bufValue * (1.0f - kData->postProc.dryWet));

  1447.                     }

  1448.                 }

  1449. 

  1450.                 // Balance

  1451.                 if (doBalance)

  1452.                 {

  1453.                     if (i % 2 == 0)

  1454.                         carla_copyFloat(oldBufLeft, fAudioOutBuffers[i], frames);

  1455. 

  1456.                     float balRangeL = (kData->postProc.balanceLeft  + 1.0f)/2.0f;

  1457.                     float balRangeR = (kData->postProc.balanceRight + 1.0f)/2.0f;

  1458. 

  1459.                     for (k=0; k < frames; k++)

  1460.                     {

  1461.                         if (i % 2 == 0)

  1462.                         {

  1463.                             // left

  1464.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]     * (1.0f - balRangeL);

  1465.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1466.                         }

  1467.                         else

  1468.                         {

  1469.                             // right

  1470.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1471.                             fAudioOutBuffers[i][k] += oldBufLeft[k]   * balRangeL;

  1472.                         }

  1473.                     }

  1474.                 }

  1475. 

  1476.                 // Volume (and buffer copy)

  1477.                 {

  1478.                     for (k=0; k < frames; k++)

  1479.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * kData->postProc.volume;

  1480.                 }

  1481.             }

  1482. 

  1483. #if 0

  1484.             // Latency, save values for next callback, TODO

  1485.             if (kData->latency > 0 && kData->latency < frames)

  1486.             {

  1487.                 for (i=0; i < kData->audioIn.count; i++)

  1488.                     carla_copyFloat(kData->latencyBuffers[i], inBuffer[i] + (frames - kData->latency), kData->latency);

  1489.             }

  1490. #endif

  1491.         } // End of Post-processing

  1492. 

  1493.         // --------------------------------------------------------------------------------------------------------

  1494. 

  1495.         kData->mutex.unlock();

  1496.         return true;

  1497.     }

  1498. 

  1499.     void bufferSizeChanged(const uint32_t newBufferSize)

  1500.     {

  1501.         for (uint32_t i=0; i < kData->audioIn.count; i++)

  1502.         {

  1503.             if (fAudioInBuffers[i] != nullptr)

  1504.                 delete[] fAudioInBuffers[i];

  1505.             fAudioInBuffers[i] = new float[newBufferSize];

  1506.         }

  1507. 

  1508.         for (uint32_t i=0; i < kData->audioOut.count; i++)

  1509.         {

  1510.             if (fAudioOutBuffers[i] != nullptr)

  1511.                 delete[] fAudioOutBuffers[i];

  1512.             fAudioOutBuffers[i] = new float[newBufferSize];

  1513.         }

  1514. 

  1515.         if (fHandle2 == nullptr)

  1516.         {

  1517.             for (uint32_t i=0; i < kData->audioIn.count; i++)

  1518.             {

  1519.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1520.                 fDescriptor->connect_port(fHandle, kData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1521.             }

  1522. 

  1523.             for (uint32_t i=0; i < kData->audioOut.count; i++)

  1524.             {

  1525.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  1526.                 fDescriptor->connect_port(fHandle, kData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1527.             }

  1528.         }

  1529.         else

  1530.         {

  1531.             if (kData->audioIn.count > 0)

  1532.             {

  1533.                 CARLA_ASSERT(kData->audioIn.count == 2);

  1534.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1535.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1536. 

  1537.                 fDescriptor->connect_port(fHandle,  kData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1538.                 fDescriptor->connect_port(fHandle2, kData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1539.             }

  1540. 

  1541.             if (kData->audioOut.count > 0)

  1542.             {

  1543.                 CARLA_ASSERT(kData->audioOut.count == 2);

  1544.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1545.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1546. 

  1547.                 fDescriptor->connect_port(fHandle,  kData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1548.                 fDescriptor->connect_port(fHandle2, kData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1549.             }

  1550.         }

  1551.     }

  1552. 

  1553.     // -------------------------------------------------------------------

  1554.     // Post-poned events

  1555. 

  1556.     void uiParameterChange(const uint32_t index, const float value)

  1557.     {

  1558.         CARLA_ASSERT(index < kData->param.count);

  1559. 

  1560.         if (index >= kData->param.count)

  1561.             return;

  1562.         if (kData->osc.data.target == nullptr)

  1563.             return;

  1564. 

  1565.         osc_send_control(&kData->osc.data, kData->param.data[index].rindex, value);

  1566.     }

  1567. 

  1568.     void uiMidiProgramChange(const uint32_t index)

  1569.     {

  1570.         CARLA_ASSERT(index < kData->midiprog.count);

  1571. 

  1572.         if (index >= kData->midiprog.count)

  1573.             return;

  1574.         if (kData->osc.data.target == nullptr)

  1575.             return;

  1576. 

  1577.         osc_send_program(&kData->osc.data, kData->midiprog.data[index].bank, kData->midiprog.data[index].program);

  1578.     }

  1579. 

  1580.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo)

  1581.     {

  1582.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1583.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1584.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1585. 

  1586.         if (channel >= MAX_MIDI_CHANNELS)

  1587.             return;

  1588.         if (note >= MAX_MIDI_NOTE)

  1589.             return;

  1590.         if (velo >= MAX_MIDI_VALUE)

  1591.             return;

  1592.         if (kData->osc.data.target == nullptr)

  1593.             return;

  1594. 

  1595.         uint8_t midiData[4] = { 0 };

  1596.         midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  1597.         midiData[2] = note;

  1598.         midiData[3] = velo;

  1599. 

  1600.         osc_send_midi(&kData->osc.data, midiData);

  1601.     }

  1602. 

  1603.     void uiNoteOff(const uint8_t channel, const uint8_t note)

  1604.     {

  1605.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1606.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1607. 

  1608.         if (channel >= MAX_MIDI_CHANNELS)

  1609.             return;

  1610.         if (note >= MAX_MIDI_NOTE)

  1611.             return;

  1612.         if (kData->osc.data.target == nullptr)

  1613.             return;

  1614. 

  1615.         uint8_t midiData[4] = { 0 };

  1616.         midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  1617.         midiData[2] = note;

  1618. 

  1619.         osc_send_midi(&kData->osc.data, midiData);

  1620.     }

  1621. 

  1622.     // -------------------------------------------------------------------

  1623.     // Cleanup

  1624. 

  1625.     void deleteBuffers()

  1626.     {

  1627.         carla_debug("DssiPlugin::deleteBuffers() - start");

  1628. 

  1629.         if (fAudioInBuffers != nullptr)

  1630.         {

  1631.             for (uint32_t i=0; i < kData->audioIn.count; i++)

  1632.             {

  1633.                 if (fAudioInBuffers[i] != nullptr)

  1634.                 {

  1635.                     delete[] fAudioInBuffers[i];

  1636.                     fAudioInBuffers[i] = nullptr;

  1637.                 }

  1638.             }

  1639. 

  1640.             delete[] fAudioInBuffers;

  1641.             fAudioInBuffers = nullptr;

  1642.         }

  1643. 

  1644.         if (fAudioOutBuffers != nullptr)

  1645.         {

  1646.             for (uint32_t i=0; i < kData->audioOut.count; i++)

  1647.             {

  1648.                 if (fAudioOutBuffers[i] != nullptr)

  1649.                 {

  1650.                     delete[] fAudioOutBuffers[i];

  1651.                     fAudioOutBuffers[i] = nullptr;

  1652.                 }

  1653.             }

  1654. 

  1655.             delete[] fAudioOutBuffers;

  1656.             fAudioOutBuffers = nullptr;

  1657.         }

  1658. 

  1659.         if (fParamBuffers != nullptr)

  1660.         {

  1661.             delete[] fParamBuffers;

  1662.             fParamBuffers = nullptr;

  1663.         }

  1664. 

  1665.         CarlaPlugin::deleteBuffers();

  1666. 

  1667.         carla_debug("DssiPlugin::deleteBuffers() - end");

  1668.     }

  1669. 

  1670.     // -------------------------------------------------------------------

  1671. 

  1672.     bool init(const char* const filename, const char* const name, const char* const label, const char* const guiFilename)

  1673.     {

  1674.         CARLA_ASSERT(kData->engine != nullptr);

  1675.         CARLA_ASSERT(kData->client == nullptr);

  1676.         CARLA_ASSERT(filename != nullptr);

  1677.         CARLA_ASSERT(label != nullptr);

  1678. 

  1679.         // ---------------------------------------------------------------

  1680.         // open DLL

  1681. 

  1682.         if (! libOpen(filename))

  1683.         {

  1684.             kData->engine->setLastError(libError(filename));

  1685.             return false;

  1686.         }

  1687. 

  1688.         // ---------------------------------------------------------------

  1689.         // get DLL main entry

  1690. 

  1691.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)libSymbol("dssi_descriptor");

  1692. 

  1693.         if (descFn == nullptr)

  1694.         {

  1695.             kData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1696.             return false;

  1697.         }

  1698. 

  1699.         // ---------------------------------------------------------------

  1700.         // get descriptor that matches label

  1701. 

  1702.         unsigned long i = 0;

  1703.         while ((fDssiDescriptor = descFn(i++)) != nullptr)

  1704.         {

  1705.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  1706.             if (fDescriptor != nullptr && fDescriptor->Label != nullptr && std::strcmp(fDescriptor->Label, label) == 0)

  1707.                 break;

  1708.         }

  1709. 

  1710.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  1711.         {

  1712.             kData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  1713.             return false;

  1714.         }

  1715. 

  1716.         // ---------------------------------------------------------------

  1717.         // get info

  1718. 

  1719.         if (name != nullptr)

  1720.             fName = kData->engine->getNewUniquePluginName(name);

  1721.         else if (fDescriptor->Name != nullptr)

  1722.             fName = kData->engine->getNewUniquePluginName(fDescriptor->Name);

  1723.         else

  1724.             fName = kData->engine->getNewUniquePluginName(fDescriptor->Label);

  1725. 

  1726.         fFilename = filename;

  1727. 

  1728.         // ---------------------------------------------------------------

  1729.         // register client

  1730. 

  1731.         kData->client = kData->engine->addClient(this);

  1732. 

  1733.         if (kData->client == nullptr || ! kData->client->isOk())

  1734.         {

  1735.             kData->engine->setLastError("Failed to register plugin client");

  1736.             return false;

  1737.         }

  1738. 

  1739.         // ---------------------------------------------------------------

  1740.         // initialize plugin

  1741. 

  1742.         fHandle = fDescriptor->instantiate(fDescriptor, kData->engine->getSampleRate());

  1743. 

  1744.         if (fHandle == nullptr)

  1745.         {

  1746.             kData->engine->setLastError("Plugin failed to initialize");

  1747.             return false;

  1748.         }

  1749. 

  1750.         // ---------------------------------------------------------------

  1751.         // gui stuff

  1752. 

  1753.         if (guiFilename != nullptr)

  1754.         {

  1755.             kData->osc.thread.setMode(CarlaPluginThread::PLUGIN_THREAD_DSSI_GUI);

  1756.             kData->osc.thread.setOscData(guiFilename, fDescriptor->Label);

  1757. 

  1758.             fHints |= PLUGIN_HAS_GUI;

  1759.         }

  1760. 

  1761.         return true;

  1762.     }

  1763. 

  1764. private:

  1765.     LADSPA_Handle fHandle;

  1766.     LADSPA_Handle fHandle2;

  1767.     const LADSPA_Descriptor* fDescriptor;

  1768.     const DSSI_Descriptor*   fDssiDescriptor;

  1769. 

  1770.     float** fAudioInBuffers;

  1771.     float** fAudioOutBuffers;

  1772.     float*  fParamBuffers;

  1773.     snd_seq_event_t fMidiEvents[MAX_MIDI_EVENTS];

  1774.     QByteArray      fChunk;

  1775. };

  1776. 

  1777. CARLA_BACKEND_END_NAMESPACE

  1778. 

  1779. #else // WANT_DSSI

  1780. # warning Building without DSSI support

  1781. #endif

  1782. 

  1783. CARLA_BACKEND_START_NAMESPACE

  1784. 

  1785. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init, const char* const guiFilename)

  1786. {

  1787.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\"}, \"%s\")", init.engine, init.filename, init.name, init.label, guiFilename);

  1788. 

  1789. #ifdef WANT_DSSI

  1790.     DssiPlugin* const plugin = new DssiPlugin(init.engine, init.id);

  1791. 

  1792.     if (! plugin->init(init.filename, init.name, init.label, guiFilename))

  1793.     {

  1794.         delete plugin;

  1795.         return nullptr;

  1796.     }

  1797. 

  1798.     plugin->reload();

  1799. 

  1800.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && (plugin->hints() & PLUGIN_CAN_FORCE_STEREO) == 0)

  1801.     {

  1802.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  1803.         delete plugin;

  1804.         return nullptr;

  1805.     }

  1806. 

  1807.     plugin->registerToOscClient();

  1808. 

  1809.     return plugin;

  1810. #else

  1811.     init.engine->setLastError("DSSI support not available");

  1812.     return nullptr;

  1813. #endif

  1814. }

  1815. 

  1816. CARLA_BACKEND_END_NAMESPACE