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Carla
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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 doc/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. #if 0

  28. }

  29. #endif

  30. 

  31. class DssiPlugin : public CarlaPlugin

  32. {

  33. public:

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

  35.         : CarlaPlugin(engine, id),

  36.           fHandle(nullptr),

  37.           fHandle2(nullptr),

  38.           fDescriptor(nullptr),

  39.           fDssiDescriptor(nullptr),

  40.           fAudioInBuffers(nullptr),

  41.           fAudioOutBuffers(nullptr),

  42.           fParamBuffers(nullptr)

  43.     {

  44.         carla_debug("DssiPlugin::DssiPlugin(%p, %i)", engine, id);

  45. 

  46.         carla_zeroStruct<snd_seq_event_t>(fMidiEvents, MAX_MIDI_EVENTS);

  47. 

  48.         pData->osc.thread.setMode(CarlaPluginThread::PLUGIN_THREAD_DSSI_GUI);

  49.     }

  50. 

  51.     ~DssiPlugin() override

  52.     {

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

  54. 

  55.         // close UI

  56.         if (fHints & PLUGIN_HAS_GUI)

  57.         {

  58.             showGui(false);

  59. 

  60.             pData->osc.thread.stopThread(pData->engine->getOptions().uiBridgesTimeout);

  61.         }

  62. 

  63.         pData->singleMutex.lock();

  64.         pData->masterMutex.lock();

  65. 

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

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

  68. 

  69.         if (pData->active)

  70.         {

  71.             deactivate();

  72.             pData->active = false;

  73.         }

  74. 

  75.         if (fDescriptor != nullptr)

  76.         {

  77.             if (fName.isNotEmpty() && fDssiDescriptor != nullptr && fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  78.             {

  79.                 removeUniqueMultiSynth(fDescriptor->Label);

  80.             }

  81. 

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

  83.             {

  84.                 if (fHandle != nullptr)

  85.                     fDescriptor->cleanup(fHandle);

  86.                 if (fHandle2 != nullptr)

  87.                     fDescriptor->cleanup(fHandle2);

  88.             }

  89. 

  90.             fHandle  = nullptr;

  91.             fHandle2 = nullptr;

  92.             fDescriptor = nullptr;

  93.             fDssiDescriptor = nullptr;

  94.         }

  95. 

  96.         clearBuffers();

  97.     }

  98. 

  99.     // -------------------------------------------------------------------

  100.     // Information (base)

  101. 

  102.     PluginType getType() const noexcept override

  103.     {

  104.         return PLUGIN_DSSI;

  105.     }

  106. 

  107.     PluginCategory getCategory() const override

  108.     {

  109.         // TODO

  110.         //if (fHints & PLUGIN_IS_SYNTH)

  111.         //   return PLUGIN_CATEGORY_SYNTH;

  112. 

  113.         return getPluginCategoryFromName(fName);

  114.     }

  115. 

  116.     long getUniqueId() const override

  117.     {

  118.         CARLA_ASSERT(fDescriptor != nullptr);

  119. 

  120.         return fDescriptor->UniqueID;

  121.     }

  122. 

  123.     // -------------------------------------------------------------------

  124.     // Information (count)

  125. 

  126.     // nothing

  127. 

  128.     // -------------------------------------------------------------------

  129.     // Information (current data)

  130. 

  131.     int32_t getChunkData(void** const dataPtr) const override

  132.     {

  133.         CARLA_ASSERT(fOptions & PLUGIN_OPTION_USE_CHUNKS);

  134.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  136.         CARLA_ASSERT(fHandle != nullptr);

  137.         CARLA_ASSERT(fHandle2 == nullptr);

  138.         CARLA_ASSERT(dataPtr != nullptr);

  139. 

  140.         unsigned long dataSize = 0;

  141. 

  142.         if (fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->get_custom_data(fHandle, dataPtr, &dataSize) != 0)

  143.             return static_cast<int32_t>(dataSize);

  144. 

  145.         return 0;

  146.     }

  147. 

  148.     // -------------------------------------------------------------------

  149.     // Information (per-plugin data)

  150. 

  151.     unsigned int getAvailableOptions() const override

  152.     {

  153.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  154. 

  155.         if (fDssiDescriptor == nullptr)

  156.             return 0x0;

  157. 

  158. #ifdef __USE_GNU

  159.         const bool isDssiVst = fFilename.contains("dssi-vst", true);

  160. #else

  161.         const bool isDssiVst = fFilename.contains("dssi-vst");

  162. #endif

  163. 

  164.         unsigned int options = 0x0;

  165. 

  166.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  167. 

  168.         if (isDssiVst)

  169.         {

  170. //             if (pData->engine->getOptions().useDssiVstChunks && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  171. //                 options |= PLUGIN_OPTION_USE_CHUNKS;

  172.         }

  173.         else

  174.         {

  175.             if (pData->engine->getProccessMode() != PROCESS_MODE_CONTINUOUS_RACK)

  176.             {

  177.                 if (fOptions & PLUGIN_OPTION_FORCE_STEREO)

  178.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  179.                 else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0))

  180.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  181.             }

  182. 

  183.             options |= PLUGIN_OPTION_FIXED_BUFFERS;

  184.         }

  185. 

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

  187.         {

  188.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  189.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  190.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  191.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  192.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  193.         }

  194. 

  195.         return options;

  196.     }

  197. 

  198.     float getParameterValue(const uint32_t parameterId) const override

  199.     {

  200.         CARLA_ASSERT(fParamBuffers != nullptr);

  201.         CARLA_ASSERT(parameterId < pData->param.count);

  202. 

  203.         return fParamBuffers[parameterId];

  204.     }

  205. 

  206.     void getLabel(char* const strBuf) const override

  207.     {

  208.         CARLA_ASSERT(fDescriptor != nullptr);

  209. 

  210.         if (fDescriptor->Label != nullptr)

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

  212.         else

  213.             CarlaPlugin::getLabel(strBuf);

  214.     }

  215. 

  216.     void getMaker(char* const strBuf) const override

  217.     {

  218.         CARLA_ASSERT(fDescriptor != nullptr);

  219. 

  220.         if (fDescriptor->Maker != nullptr)

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

  222.         else

  223.             CarlaPlugin::getMaker(strBuf);

  224.     }

  225. 

  226.     void getCopyright(char* const strBuf) const override

  227.     {

  228.         CARLA_ASSERT(fDescriptor != nullptr);

  229. 

  230.         if (fDescriptor->Copyright != nullptr)

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

  232.         else

  233.             CarlaPlugin::getCopyright(strBuf);

  234.     }

  235. 

  236.     void getRealName(char* const strBuf) const override

  237.     {

  238.         CARLA_ASSERT(fDescriptor != nullptr);

  239. 

  240.         if (fDescriptor->Name != nullptr)

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

  242.         else

  243.             CarlaPlugin::getRealName(strBuf);

  244.     }

  245. 

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

  247.     {

  248.         CARLA_ASSERT(fDescriptor != nullptr);

  249.         CARLA_ASSERT(parameterId < pData->param.count);

  250. 

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

  252. 

  253.         if (rindex < static_cast<int32_t>(fDescriptor->PortCount))

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

  255.         else

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

  257.     }

  258. 

  259.     // -------------------------------------------------------------------

  260.     // Set data (state)

  261. 

  262.     // nothing

  263. 

  264.     // -------------------------------------------------------------------

  265.     // Set data (internal stuff)

  266. 

  267.     // nothing

  268. 

  269.     // -------------------------------------------------------------------

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

  271. 

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

  273.     {

  274.         CARLA_ASSERT(parameterId < pData->param.count);

  275. 

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

  277.         fParamBuffers[parameterId] = fixedValue;

  278. 

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

  280.     }

  281. 

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

  283.     {

  284.         CARLA_ASSERT(fDescriptor != nullptr);

  285.         CARLA_ASSERT(fHandle != nullptr);

  286.         CARLA_ASSERT(type != nullptr);

  287.         CARLA_ASSERT(key != nullptr);

  288.         CARLA_ASSERT(value != nullptr);

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

  290. 

  291.         if (type == nullptr)

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

  293. 

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

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

  296. 

  297.         if (key == nullptr)

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

  299. 

  300.         if (value == nullptr)

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

  302. 

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

  304.         {

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

  306. 

  307.             if (fHandle2)

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

  309.         }

  310. 

  311.         if (sendGui && pData->osc.data.target != nullptr)

  312.             osc_send_configure(pData->osc.data, key, value);

  313. 

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

  315.         {

  316.             const ScopedDisabler sd(this);

  317.             reloadPrograms(false);

  318.         }

  319. 

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

  321.     }

  322. 

  323.     void setChunkData(const char* const stringData) override

  324.     {

  325.         CARLA_ASSERT(fOptions & PLUGIN_OPTION_USE_CHUNKS);

  326.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  328.         CARLA_ASSERT(fHandle != nullptr);

  329.         CARLA_ASSERT(fHandle2 == nullptr);

  330.         CARLA_ASSERT(stringData != nullptr);

  331. 

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

  333.             return;

  334. 

  335.         // TODO

  336. #if 0

  337.         QByteArray chunk(QByteArray::fromBase64(stringData));

  338. 

  339.         CARLA_ASSERT(chunk.size() > 0);

  340. 

  341.         if (chunk.size() > 0)

  342.         {

  343.             const ScopedSingleProcessLocker spl(this, true);

  344.             fDssiDescriptor->set_custom_data(fHandle, chunk.data(), chunk.size());

  345.         }

  346. #endif

  347.     }

  348. 

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

  350.     {

  351.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  352.         CARLA_ASSERT(fHandle != nullptr);

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

  354. 

  355.         if (index < -1)

  356.             index = -1;

  357.         else if (index > static_cast<int32_t>(pData->midiprog.count))

  358.             return;

  359. 

  360.         if (index >= 0 && fDssiDescriptor != nullptr && fDssiDescriptor->select_program != nullptr)

  361.         {

  362.             const uint32_t bank    = pData->midiprog.data[index].bank;

  363.             const uint32_t program = pData->midiprog.data[index].program;

  364. 

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

  366. 

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

  368. 

  369.             if (fHandle2 != nullptr)

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

  371.         }

  372. 

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

  374.     }

  375. 

  376.     // -------------------------------------------------------------------

  377.     // Set gui stuff

  378. 

  379.     void showGui(const bool yesNo) override

  380.     {

  381.         if (yesNo)

  382.         {

  383.             pData->osc.thread.startThread();

  384.         }

  385.         else

  386.         {

  387.             if (pData->osc.data.target != nullptr)

  388.             {

  389.                 osc_send_hide(pData->osc.data);

  390.                 osc_send_quit(pData->osc.data);

  391.                 pData->osc.data.free();

  392.             }

  393. 

  394.             pData->osc.thread.stopThread(pData->engine->getOptions().uiBridgesTimeout);

  395.         }

  396.     }

  397. 

  398.     // -------------------------------------------------------------------

  399.     // Plugin state

  400. 

  401.     void reload() override

  402.     {

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

  404.         CARLA_ASSERT(pData->engine != nullptr);

  405.         CARLA_ASSERT(fDescriptor != nullptr);

  406.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  407.         CARLA_ASSERT(fHandle != nullptr);

  408. 

  409.         if (pData->engine == nullptr)

  410.             return;

  411.         if (fDescriptor == nullptr)

  412.             return;

  413.         if (fDssiDescriptor == nullptr)

  414.             return;

  415.         if (fHandle == nullptr)

  416.             return;

  417. 

  418.         const ProcessMode processMode(pData->engine->getProccessMode());

  419. 

  420.         // Safely disable plugin for reload

  421.         const ScopedDisabler sd(this);

  422. 

  423.         if (pData->active)

  424.             deactivate();

  425. 

  426.         clearBuffers();

  427. 

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

  429.         const uint32_t portCount(static_cast<uint32_t>(fDescriptor->PortCount));

  430. 

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

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

  433. 

  434.         bool forcedStereoIn, forcedStereoOut;

  435.         forcedStereoIn = forcedStereoOut = false;

  436. 

  437.         bool needsCtrlIn, needsCtrlOut;

  438.         needsCtrlIn = needsCtrlOut = false;

  439. 

  440.         if (portCount > 0)

  441.         {

  442.             CARLA_ASSERT(fDescriptor->PortDescriptors != nullptr);

  443.             CARLA_ASSERT(fDescriptor->PortRangeHints != nullptr);

  444.             CARLA_ASSERT(fDescriptor->PortNames != nullptr);

  445. 

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

  447.             {

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

  449. 

  450.                 if (LADSPA_IS_PORT_AUDIO(portType))

  451.                 {

  452.                     if (LADSPA_IS_PORT_INPUT(portType))

  453.                         aIns += 1;

  454.                     else if (LADSPA_IS_PORT_OUTPUT(portType))

  455.                         aOuts += 1;

  456.                 }

  457.                 else if (LADSPA_IS_PORT_CONTROL(portType))

  458.                     params += 1;

  459.             }

  460.         }

  461. 

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

  463.         {

  464.             if (fHandle2 == nullptr)

  465.                 fHandle2 = fDescriptor->instantiate(fDescriptor, (unsigned long)sampleRate);

  466. 

  467.             if (fHandle2 != nullptr)

  468.             {

  469.                 if (aIns == 1)

  470.                 {

  471.                     aIns = 2;

  472.                     forcedStereoIn = true;

  473.                 }

  474. 

  475.                 if (aOuts == 1)

  476.                 {

  477.                     aOuts = 2;

  478.                     forcedStereoOut = true;

  479.                 }

  480.             }

  481.         }

  482. 

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

  484.         {

  485.             mIns = 1;

  486.             needsCtrlIn = true;

  487.         }

  488. 

  489.         if (aIns > 0)

  490.         {

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

  492.             fAudioInBuffers = new float*[aIns];

  493. 

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

  495.                 fAudioInBuffers[i] = nullptr;

  496.         }

  497. 

  498.         if (aOuts > 0)

  499.         {

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

  501.             fAudioOutBuffers = new float*[aOuts];

  502.             needsCtrlIn = true;

  503. 

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

  505.                 fAudioOutBuffers[i] = nullptr;

  506.         }

  507. 

  508.         if (params > 0)

  509.         {

  510.             pData->param.createNew(params);

  511. 

  512.             fParamBuffers = new float[params];

  513.             carla_zeroFloat(fParamBuffers, params);

  514.         }

  515. 

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

  517.         CarlaString portName;

  518. 

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

  520.         {

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

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

  523. 

  524.             CARLA_ASSERT(fDescriptor->PortNames[i] != nullptr);

  525. 

  526.             if (LADSPA_IS_PORT_AUDIO(portType))

  527.             {

  528.                 portName.clear();

  529. 

  530.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  531.                 {

  532.                     portName  = fName;

  533.                     portName += ":";

  534.                 }

  535. 

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

  537.                 portName.truncate(portNameSize);

  538. 

  539.                 if (LADSPA_IS_PORT_INPUT(portType))

  540.                 {

  541.                     j = iAudioIn++;

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

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

  544. 

  545.                     if (forcedStereoIn)

  546.                     {

  547.                         portName += "_2";

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

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

  550.                     }

  551.                 }

  552.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  553.                 {

  554.                     j = iAudioOut++;

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

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

  557. 

  558.                     if (forcedStereoOut)

  559.                     {

  560.                         portName += "_2";

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

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

  563.                     }

  564.                 }

  565.                 else

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

  567.             }

  568.             else if (LADSPA_IS_PORT_CONTROL(portType))

  569.             {

  570.                 j = iCtrl++;

  571.                 pData->param.data[j].index  = j;

  572.                 pData->param.data[j].rindex = i;

  573.                 pData->param.data[j].hints  = 0x0;

  574.                 pData->param.data[j].midiChannel = 0;

  575.                 pData->param.data[j].midiCC = -1;

  576. 

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

  578. 

  579.                 // min value

  580.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  581.                     min = portRangeHints.LowerBound;

  582.                 else

  583.                     min = 0.0f;

  584. 

  585.                 // max value

  586.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  587.                     max = portRangeHints.UpperBound;

  588.                 else

  589.                     max = 1.0f;

  590. 

  591.                 if (min > max)

  592.                     max = min;

  593.                 else if (max < min)

  594.                     min = max;

  595. 

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

  597.                 {

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

  599.                     max = min + 0.1f;

  600.                 }

  601. 

  602.                 // default value

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

  604. 

  605.                 if (def < min)

  606.                     def = min;

  607.                 else if (def > max)

  608.                     def = max;

  609. 

  610.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  611.                 {

  612.                     min *= sampleRate;

  613.                     max *= sampleRate;

  614.                     def *= sampleRate;

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

  616.                 }

  617. 

  618.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  619.                 {

  620.                     step = max - min;

  621.                     stepSmall = step;

  622.                     stepLarge = step;

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

  624.                 }

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

  626.                 {

  627.                     step = 1.0f;

  628.                     stepSmall = 1.0f;

  629.                     stepLarge = 10.0f;

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

  631.                 }

  632.                 else

  633.                 {

  634.                     float range = max - min;

  635.                     step = range/100.0f;

  636.                     stepSmall = range/1000.0f;

  637.                     stepLarge = range/10.0f;

  638.                 }

  639. 

  640.                 if (LADSPA_IS_PORT_INPUT(portType))

  641.                 {

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

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

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

  645.                     needsCtrlIn = true;

  646. 

  647.                     // MIDI CC value

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

  649.                     {

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

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

  652.                         {

  653.                             int16_t cc = DSSI_CC_NUMBER(controller);

  654.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  656.                         }

  657.                     }

  658.                 }

  659.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  660.                 {

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

  662.                     {

  663.                         min = 0.0f;

  664.                         max = sampleRate;

  665.                         def = 0.0f;

  666.                         step = 1.0f;

  667.                         stepSmall = 1.0f;

  668.                         stepLarge = 1.0f;

  669. 

  670.                         pData->param.data[j].type  = PARAMETER_LATENCY;

  671.                         pData->param.data[j].hints = 0;

  672.                     }

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

  674.                     {

  675.                         def = sampleRate;

  676.                         step = 1.0f;

  677.                         stepSmall = 1.0f;

  678.                         stepLarge = 1.0f;

  679. 

  680.                         pData->param.data[j].type  = PARAMETER_SAMPLE_RATE;

  681.                         pData->param.data[j].hints = 0;

  682.                     }

  683.                     else

  684.                     {

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

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

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

  688.                         needsCtrlOut = true;

  689.                     }

  690.                 }

  691.                 else

  692.                 {

  693.                     pData->param.data[j].type = PARAMETER_UNKNOWN;

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

  695.                 }

  696. 

  697.                 // extra parameter hints

  698.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  700. 

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

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

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

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

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

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

  707. 

  708.                 // Start parameters in their default values

  709.                 fParamBuffers[j] = def;

  710. 

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

  712. 

  713.                 if (fHandle2 != nullptr)

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

  715.             }

  716.             else

  717.             {

  718.                 // Not Audio or Control

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

  720. 

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

  722. 

  723.                 if (fHandle2 != nullptr)

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

  725.             }

  726.         }

  727. 

  728.         if (needsCtrlIn)

  729.         {

  730.             portName.clear();

  731. 

  732.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  733.             {

  734.                 portName  = fName;

  735.                 portName += ":";

  736.             }

  737. 

  738.             portName += "events-in";

  739.             portName.truncate(portNameSize);

  740. 

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

  742.         }

  743. 

  744.         if (needsCtrlOut)

  745.         {

  746.             portName.clear();

  747. 

  748.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  749.             {

  750.                 portName  = fName;

  751.                 portName += ":";

  752.             }

  753. 

  754.             portName += "events-out";

  755.             portName.truncate(portNameSize);

  756. 

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

  758.         }

  759. 

  760.         if (forcedStereoIn || forcedStereoOut)

  761.             fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  762.         else

  763.             fOptions &= ~PLUGIN_OPTION_FORCE_STEREO;

  764. 

  765.         // plugin hints

  766.         fHints = 0x0;

  767. 

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

  769.             fHints |= PLUGIN_IS_RTSAFE;

  770. 

  771.         if (fGuiFilename.isNotEmpty())

  772.             fHints |= PLUGIN_HAS_GUI;

  773. 

  774.         // TODO

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

  776.         //    fHints |= PLUGIN_IS_SYNTH;

  777. 

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

  779.             fHints |= PLUGIN_CAN_DRYWET;

  780. 

  781.         if (aOuts > 0)

  782.             fHints |= PLUGIN_CAN_VOLUME;

  783. 

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

  785.             fHints |= PLUGIN_CAN_BALANCE;

  786. 

  787.         // extra plugin hints

  788.         pData->extraHints = 0x0;

  789. 

  790.         if (mIns > 0)

  791.             pData->extraHints |= PLUGIN_HINT_HAS_MIDI_IN;

  792. 

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

  794.             pData->extraHints |= PLUGIN_HINT_CAN_RUN_RACK;

  795. 

  796.         // check latency

  797.         if (fHints & PLUGIN_CAN_DRYWET)

  798.         {

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

  800.             {

  801.                 if (pData->param.data[i].type != PARAMETER_LATENCY)

  802.                     continue;

  803. 

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

  805. 

  806.                 float tmpIn[aIns][2];

  807.                 float tmpOut[aOuts][2];

  808. 

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

  810.                 {

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

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

  813. 

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

  815.                 }

  816. 

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

  818.                 {

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

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

  821. 

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

  823.                 }

  824. 

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

  826.                     fDescriptor->activate(fHandle);

  827. 

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

  829. 

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

  831.                     fDescriptor->deactivate(fHandle);

  832. 

  833.                 const uint32_t latency = (uint32_t)fParamBuffers[i];

  834. 

  835.                 if (pData->latency != latency)

  836.                 {

  837.                     pData->latency = latency;

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

  839.                     pData->recreateLatencyBuffers();

  840.                 }

  841. 

  842.                 break;

  843.             }

  844.         }

  845. 

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

  847.         reloadPrograms(true);

  848. 

  849.         if (pData->active)

  850.             activate();

  851. 

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

  853.     }

  854. 

  855.     void reloadPrograms(const bool init) override

  856.     {

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

  858.         uint32_t i, oldCount  = pData->midiprog.count;

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

  860. 

  861.         // Delete old programs

  862.         pData->midiprog.clear();

  863. 

  864.         // Query new programs

  865.         uint32_t count = 0;

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

  867.         {

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

  869.                 count++;

  870.         }

  871. 

  872.         if (count > 0)

  873.         {

  874.             pData->midiprog.createNew(count);

  875. 

  876.             // Update data

  877.             for (i=0; i < count; ++i)

  878.             {

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

  880.                 CARLA_ASSERT(pdesc != nullptr);

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

  882. 

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

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

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

  886.             }

  887.         }

  888. 

  889. #ifndef BUILD_BRIDGE

  890.         // Update OSC Names

  891.         if (pData->engine->isOscControlRegistered())

  892.         {

  893.             pData->engine->oscSend_control_set_midi_program_count(fId, count);

  894. 

  895.             for (i=0; i < count; ++i)

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

  897.         }

  898. #endif

  899. 

  900.         if (init)

  901.         {

  902.             if (count > 0)

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

  904.         }

  905.         else

  906.         {

  907.             // Check if current program is invalid

  908.             bool programChanged = false;

  909. 

  910.             if (count == oldCount+1)

  911.             {

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

  913.                 pData->midiprog.current = oldCount;

  914.                 programChanged = true;

  915.             }

  916.             else if (current < 0 && count > 0)

  917.             {

  918.                 // programs exist now, but not before

  919.                 pData->midiprog.current = 0;

  920.                 programChanged = true;

  921.             }

  922.             else if (current >= 0 && count == 0)

  923.             {

  924.                 // programs existed before, but not anymore

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

  926.                 programChanged = true;

  927.             }

  928.             else if (current >= static_cast<int32_t>(count))

  929.             {

  930.                 // current midi program > count

  931.                 pData->midiprog.current = 0;

  932.                 programChanged = true;

  933.             }

  934.             else

  935.             {

  936.                 // no change

  937.                 pData->midiprog.current = current;

  938.             }

  939. 

  940.             if (programChanged)

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

  942. 

  943.             pData->engine->callback(CALLBACK_RELOAD_PROGRAMS, fId, 0, 0, 0.0f, nullptr);

  944.         }

  945.     }

  946. 

  947.     // -------------------------------------------------------------------

  948.     // Plugin processing

  949. 

  950.     void activate() override

  951.     {

  952.         CARLA_ASSERT(fDescriptor != nullptr);

  953.         CARLA_ASSERT(fHandle != nullptr);

  954. 

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

  956.         {

  957.             fDescriptor->activate(fHandle);

  958. 

  959.             if (fHandle2 != nullptr)

  960.                 fDescriptor->activate(fHandle2);

  961.         }

  962.     }

  963. 

  964.     void deactivate() override

  965.     {

  966.         CARLA_ASSERT(fDescriptor != nullptr);

  967.         CARLA_ASSERT(fHandle != nullptr);

  968. 

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

  970.         {

  971.             fDescriptor->deactivate(fHandle);

  972. 

  973.             if (fHandle2 != nullptr)

  974.                 fDescriptor->deactivate(fHandle2);

  975.         }

  976.     }

  977. 

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

  979.     {

  980.         uint32_t i, k;

  981. 

  982.         // --------------------------------------------------------------------------------------------------------

  983.         // Check if active

  984. 

  985.         if (! pData->active)

  986.         {

  987.             // disable any output sound

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

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

  990. 

  991.             return;

  992.         }

  993. 

  994.         unsigned long midiEventCount = 0;

  995. 

  996.         // --------------------------------------------------------------------------------------------------------

  997.         // Check if needs reset

  998. 

  999.         if (pData->needsReset)

  1000.         {

  1001.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1002.             {

  1003.                 for (unsigned char j=0, l=MAX_MIDI_CHANNELS; j < MAX_MIDI_CHANNELS; ++j)

  1004.                 {

  1005.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j]);

  1006.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j+l]);

  1007. 

  1008.                     fMidiEvents[j].type = SND_SEQ_EVENT_CONTROLLER;

  1009.                     fMidiEvents[j].data.control.channel = j;

  1010.                     fMidiEvents[j].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1011. 

  1012.                     fMidiEvents[j+l].type = SND_SEQ_EVENT_CONTROLLER;

  1013.                     fMidiEvents[j+l].data.control.channel = j;

  1014.                     fMidiEvents[j+l].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1015.                 }

  1016. 

  1017.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1018.             }

  1019.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1020.             {

  1021.                 for (unsigned char j=0; j < MAX_MIDI_NOTE; ++j)

  1022.                 {

  1023.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j]);

  1024. 

  1025.                     fMidiEvents[j].type = SND_SEQ_EVENT_NOTEOFF;

  1026.                     fMidiEvents[j].data.note.channel = pData->ctrlChannel;

  1027.                     fMidiEvents[j].data.note.note    = j;

  1028.                 }

  1029. 

  1030.                 midiEventCount = MAX_MIDI_NOTE;

  1031.             }

  1032. 

  1033.             if (pData->latency > 0)

  1034.             {

  1035.                 for (i=0; i < pData->audioIn.count; ++i)

  1036.                     carla_zeroFloat(pData->latencyBuffers[i], pData->latency);

  1037.             }

  1038. 

  1039.             pData->needsReset = false;

  1040.         }

  1041. 

  1042.         // --------------------------------------------------------------------------------------------------------

  1043.         // Event Input and Processing

  1044. 

  1045.         if (pData->event.portIn != nullptr)

  1046.         {

  1047.             // ----------------------------------------------------------------------------------------------------

  1048.             // MIDI Input (External)

  1049. 

  1050.             if (pData->extNotes.mutex.tryLock())

  1051.             {

  1052.                 while (midiEventCount < MAX_MIDI_EVENTS && ! pData->extNotes.data.isEmpty())

  1053.                 {

  1054.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1055. 

  1056.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1057. 

  1058.                     fMidiEvents[midiEventCount].type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1059.                     fMidiEvents[midiEventCount].data.note.channel  = note.channel;

  1060.                     fMidiEvents[midiEventCount].data.note.note     = note.note;

  1061.                     fMidiEvents[midiEventCount].data.note.velocity = note.velo;

  1062. 

  1063.                     midiEventCount += 1;

  1064.                 }

  1065. 

  1066.                 pData->extNotes.mutex.unlock();

  1067. 

  1068.             } // End of MIDI Input (External)

  1069. 

  1070.             // ----------------------------------------------------------------------------------------------------

  1071.             // Event Input (System)

  1072. 

  1073.             bool allNotesOffSent = false;

  1074.             bool sampleAccurate  = (fOptions & PLUGIN_OPTION_FIXED_BUFFERS) == 0;

  1075. 

  1076.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1077.             uint32_t startTime  = 0;

  1078.             uint32_t timeOffset = 0;

  1079.             uint32_t nextBankId = 0;

  1080. 

  1081.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1082.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1083. 

  1084.             for (i=0; i < nEvents; ++i)

  1085.             {

  1086.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1087. 

  1088.                 time = event.time;

  1089. 

  1090.                 if (time >= frames)

  1091.                     continue;

  1092. 

  1093.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1094. 

  1095.                 if (time > timeOffset && sampleAccurate)

  1096.                 {

  1097.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset, midiEventCount))

  1098.                     {

  1099.                         startTime  = 0;

  1100.                         timeOffset = time;

  1101.                         midiEventCount = 0;

  1102. 

  1103.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1104.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1105.                         else

  1106.                             nextBankId = 0;

  1107.                     }

  1108.                     else

  1109.                         startTime += timeOffset;

  1110.                 }

  1111. 

  1112.                 // Control change

  1113.                 switch (event.type)

  1114.                 {

  1115.                 case kEngineEventTypeNull:

  1116.                     break;

  1117. 

  1118.                 case kEngineEventTypeControl:

  1119.                 {

  1120.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1121. 

  1122.                     switch (ctrlEvent.type)

  1123.                     {

  1124.                     case kEngineControlEventTypeNull:

  1125.                         break;

  1126. 

  1127.                     case kEngineControlEventTypeParameter:

  1128.                     {

  1129. #ifndef BUILD_BRIDGE

  1130.                         // Control backend stuff

  1131.                         if (event.channel == pData->ctrlChannel)

  1132.                         {

  1133.                             float value;

  1134. 

  1135.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1136.                             {

  1137.                                 value = ctrlEvent.value;

  1138.                                 setDryWet(value, false, false);

  1139.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1140.                             }

  1141. 

  1142.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1143.                             {

  1144.                                 value = ctrlEvent.value*127.0f/100.0f;

  1145.                                 setVolume(value, false, false);

  1146.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1147.                             }

  1148. 

  1149.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1150.                             {

  1151.                                 float left, right;

  1152.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1153. 

  1154.                                 if (value < 0.0f)

  1155.                                 {

  1156.                                     left  = -1.0f;

  1157.                                     right = (value*2.0f)+1.0f;

  1158.                                 }

  1159.                                 else if (value > 0.0f)

  1160.                                 {

  1161.                                     left  = (value*2.0f)-1.0f;

  1162.                                     right = 1.0f;

  1163.                                 }

  1164.                                 else

  1165.                                 {

  1166.                                     left  = -1.0f;

  1167.                                     right = 1.0f;

  1168.                                 }

  1169. 

  1170.                                 setBalanceLeft(left, false, false);

  1171.                                 setBalanceRight(right, false, false);

  1172.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1173.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1174.                             }

  1175.                         }

  1176. #endif

  1177. 

  1178.                         // Control plugin parameters

  1179.                         for (k=0; k < pData->param.count; ++k)

  1180.                         {

  1181.                             if (pData->param.data[k].midiChannel != event.channel)

  1182.                                 continue;

  1183.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1184.                                 continue;

  1185.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1186.                                 continue;

  1187.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1188.                                 continue;

  1189. 

  1190.                             float value;

  1191. 

  1192.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1193.                             {

  1194.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1195.                             }

  1196.                             else

  1197.                             {

  1198.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1199. 

  1200.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1201.                                     value = std::rint(value);

  1202.                             }

  1203. 

  1204.                             setParameterValue(k, value, false, false, false);

  1205.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1206.                         }

  1207. 

  1208.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1209.                         {

  1210.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1211.                                 continue;

  1212. 

  1213.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1214. 

  1215.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1216. 

  1217.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1218.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1219.                             fMidiEvents[midiEventCount].data.control.param   = ctrlEvent.param;

  1220.                             fMidiEvents[midiEventCount].data.control.value   = ctrlEvent.value*127.0f;

  1221. 

  1222.                             midiEventCount += 1;

  1223.                         }

  1224. 

  1225.                         break;

  1226.                     }

  1227. 

  1228.                     case kEngineControlEventTypeMidiBank:

  1229.                         if (event.channel == pData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1230.                             nextBankId = ctrlEvent.param;

  1231.                         break;

  1232. 

  1233.                     case kEngineControlEventTypeMidiProgram:

  1234.                         if (event.channel == pData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1235.                         {

  1236.                             const uint32_t nextProgramId = ctrlEvent.param;

  1237. 

  1238.                             for (k=0; k < pData->midiprog.count; ++k)

  1239.                             {

  1240.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1241.                                 {

  1242.                                     setMidiProgram(k, false, false, false);

  1243.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1244.                                     break;

  1245.                                 }

  1246.                             }

  1247.                         }

  1248.                         break;

  1249. 

  1250.                     case kEngineControlEventTypeAllSoundOff:

  1251.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1252.                         {

  1253.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1254.                                 continue;

  1255. 

  1256.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1257. 

  1258.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1259. 

  1260.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1261.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1262.                             fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1263. 

  1264.                             midiEventCount += 1;

  1265.                         }

  1266.                         break;

  1267. 

  1268.                     case kEngineControlEventTypeAllNotesOff:

  1269.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1270.                         {

  1271.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1272.                             {

  1273.                                 allNotesOffSent = true;

  1274.                                 sendMidiAllNotesOffToCallback();

  1275.                             }

  1276. 

  1277.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1278.                                 continue;

  1279. 

  1280.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1281. 

  1282.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1283. 

  1284.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1285.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1286.                             fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1287. 

  1288.                             midiEventCount += 1;

  1289.                         }

  1290.                         break;

  1291.                     }

  1292. 

  1293.                     break;

  1294.                 }

  1295. 

  1296.                 case kEngineEventTypeMidi:

  1297.                 {

  1298.                     if (midiEventCount >= MAX_MIDI_EVENTS)

  1299.                         continue;

  1300. 

  1301.                     const EngineMidiEvent& midiEvent(event.midi);

  1302. 

  1303.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1304.                     uint8_t channel = event.channel;

  1305. 

  1306.                     // Fix bad note-off (per DSSI spec)

  1307.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1308.                         status -= 0x10;

  1309. 

  1310.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1311. 

  1312.                     fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1313. 

  1314.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1315.                     {

  1316.                         const uint8_t note = midiEvent.data[1];

  1317. 

  1318.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEOFF;

  1319.                         fMidiEvents[midiEventCount].data.note.channel = channel;

  1320.                         fMidiEvents[midiEventCount].data.note.note    = note;

  1321. 

  1322.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1323.                     }

  1324.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1325.                     {

  1326.                         const uint8_t note = midiEvent.data[1];

  1327.                         const uint8_t velo = midiEvent.data[2];

  1328. 

  1329.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEON;

  1330.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1331.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1332.                         fMidiEvents[midiEventCount].data.note.velocity = velo;

  1333. 

  1334.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1335.                     }

  1336.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1337.                     {

  1338.                         const uint8_t note     = midiEvent.data[1];

  1339.                         const uint8_t pressure = midiEvent.data[2];

  1340. 

  1341.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_KEYPRESS;

  1342.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1343.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1344.                         fMidiEvents[midiEventCount].data.note.velocity = pressure;

  1345.                     }

  1346.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1347.                     {

  1348.                         const uint8_t control = midiEvent.data[1];

  1349.                         const uint8_t value   = midiEvent.data[2];

  1350. 

  1351.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

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

  1353.                         fMidiEvents[midiEventCount].data.control.param   = control;

  1354.                         fMidiEvents[midiEventCount].data.control.value   = value;

  1355.                     }

  1356.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1357.                     {

  1358.                         const uint8_t pressure = midiEvent.data[1];

  1359. 

  1360.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CHANPRESS;

  1361.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1362.                         fMidiEvents[midiEventCount].data.control.value   = pressure;

  1363.                     }

  1364.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1365.                     {

  1366.                         const uint8_t lsb = midiEvent.data[1];

  1367.                         const uint8_t msb = midiEvent.data[2];

  1368. 

  1369.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_PITCHBEND;

  1370.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1371.                         fMidiEvents[midiEventCount].data.control.value   = ((msb << 7) | lsb) - 8192;

  1372.                     }

  1373.                     else

  1374.                         continue;

  1375. 

  1376.                     midiEventCount += 1;

  1377. 

  1378.                     break;

  1379.                 }

  1380.                 }

  1381.             }

  1382. 

  1383.             pData->postRtEvents.trySplice();

  1384. 

  1385.             if (frames > timeOffset)

  1386.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1387. 

  1388.         } // End of Event Input and Processing

  1389. 

  1390.         // --------------------------------------------------------------------------------------------------------

  1391.         // Plugin processing (no events)

  1392. 

  1393.         else

  1394.         {

  1395.             processSingle(inBuffer, outBuffer, frames, 0, midiEventCount);

  1396. 

  1397.         } // End of Plugin processing (no events)

  1398. 

  1399.         CARLA_PROCESS_CONTINUE_CHECK;

  1400. 

  1401.         // --------------------------------------------------------------------------------------------------------

  1402.         // Control Output

  1403. 

  1404.         if (pData->event.portOut != nullptr)

  1405.         {

  1406.             uint8_t  channel;

  1407.             uint16_t param;

  1408.             float    value;

  1409. 

  1410.             for (k=0; k < pData->param.count; ++k)

  1411.             {

  1412.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1413.                     continue;

  1414. 

  1415.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1416. 

  1417.                 if (pData->param.data[k].midiCC > 0)

  1418.                 {

  1419.                     channel = pData->param.data[k].midiChannel;

  1420.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1421.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1422.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1423.                 }

  1424.             }

  1425. 

  1426.         } // End of Control Output

  1427.     }

  1428. 

  1429.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const unsigned long midiEventCount)

  1430.     {

  1431.         CARLA_ASSERT(frames > 0);

  1432. 

  1433.         if (frames == 0)

  1434.             return false;

  1435. 

  1436.         if (pData->audioIn.count > 0)

  1437.         {

  1438.             CARLA_ASSERT(inBuffer != nullptr);

  1439.             if (inBuffer == nullptr)

  1440.                 return false;

  1441.         }

  1442.         if (pData->audioOut.count > 0)

  1443.         {

  1444.             CARLA_ASSERT(outBuffer != nullptr);

  1445.             if (outBuffer == nullptr)

  1446.                 return false;

  1447.         }

  1448. 

  1449.         uint32_t i, k;

  1450. 

  1451.         // --------------------------------------------------------------------------------------------------------

  1452.         // Try lock, silence otherwise

  1453. 

  1454.         if (pData->engine->isOffline())

  1455.         {

  1456.             pData->singleMutex.lock();

  1457.         }

  1458.         else if (! pData->singleMutex.tryLock())

  1459.         {

  1460.             for (i=0; i < pData->audioOut.count; ++i)

  1461.             {

  1462.                 for (k=0; k < frames; ++k)

  1463.                     outBuffer[i][k+timeOffset] = 0.0f;

  1464.             }

  1465. 

  1466.             return false;

  1467.         }

  1468. 

  1469.         // --------------------------------------------------------------------------------------------------------

  1470.         // Reset audio buffers

  1471. 

  1472.         for (i=0; i < pData->audioIn.count; ++i)

  1473.             carla_copyFloat(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1474.         for (i=0; i < pData->audioOut.count; ++i)

  1475.             carla_zeroFloat(fAudioOutBuffers[i], frames);

  1476. 

  1477.         // --------------------------------------------------------------------------------------------------------

  1478.         // Run plugin

  1479. 

  1480.         if (fDssiDescriptor->run_synth != nullptr)

  1481.         {

  1482.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1483. 

  1484.             if (fHandle2 != nullptr)

  1485.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1486.         }

  1487.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1488.         {

  1489.             unsigned long instances = (fHandle2 != nullptr) ? 2 : 1;

  1490.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1491.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1492.             unsigned long midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1493.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1494.         }

  1495.         else

  1496.         {

  1497.             fDescriptor->run(fHandle, frames);

  1498. 

  1499.             if (fHandle2 != nullptr)

  1500.                 fDescriptor->run(fHandle2, frames);

  1501.         }

  1502. 

  1503. #ifndef BUILD_BRIDGE

  1504.         // --------------------------------------------------------------------------------------------------------

  1505.         // Post-processing (dry/wet, volume and balance)

  1506. 

  1507.         {

  1508.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1509.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1510. 

  1511.             bool isPair;

  1512.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1513. 

  1514.             for (i=0; i < pData->audioOut.count; ++i)

  1515.             {

  1516.                 // Dry/Wet

  1517.                 if (doDryWet)

  1518.                 {

  1519.                     for (k=0; k < frames; ++k)

  1520.                     {

  1521.                         // TODO

  1522.                         //if (k < pData->latency && pData->latency < frames)

  1523.                         //    bufValue = (pData->audioIn.count == 1) ? pData->latencyBuffers[0][k] : pData->latencyBuffers[i][k];

  1524.                         //else

  1525.                         //    bufValue = (pData->audioIn.count == 1) ? inBuffer[0][k-m_latency] : inBuffer[i][k-m_latency];

  1526. 

  1527.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1528.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1529.                     }

  1530.                 }

  1531. 

  1532.                 // Balance

  1533.                 if (doBalance)

  1534.                 {

  1535.                     isPair = (i % 2 == 0);

  1536. 

  1537.                     if (isPair)

  1538.                     {

  1539.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1540.                         carla_copyFloat(oldBufLeft, fAudioOutBuffers[i], frames);

  1541.                     }

  1542. 

  1543.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1544.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1545. 

  1546.                     for (k=0; k < frames; ++k)

  1547.                     {

  1548.                         if (isPair)

  1549.                         {

  1550.                             // left

  1551.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1552.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1553.                         }

  1554.                         else

  1555.                         {

  1556.                             // right

  1557.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1558.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1559.                         }

  1560.                     }

  1561.                 }

  1562. 

  1563.                 // Volume (and buffer copy)

  1564.                 {

  1565.                     for (k=0; k < frames; ++k)

  1566.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1567.                 }

  1568.             }

  1569. 

  1570. #if 0

  1571.             // Latency, save values for next callback, TODO

  1572.             if (pData->latency > 0 && pData->latency < frames)

  1573.             {

  1574.                 for (i=0; i < pData->audioIn.count; ++i)

  1575.                     carla_copyFloat(pData->latencyBuffers[i], inBuffer[i] + (frames - pData->latency), pData->latency);

  1576.             }

  1577. #endif

  1578.         } // End of Post-processing

  1579. #else

  1580.         for (i=0; i < pData->audioOut.count; ++i)

  1581.         {

  1582.             for (k=0; k < frames; ++k)

  1583.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1584.         }

  1585. #endif

  1586. 

  1587.         // --------------------------------------------------------------------------------------------------------

  1588. 

  1589.         pData->singleMutex.unlock();

  1590.         return true;

  1591.     }

  1592. 

  1593.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1594.     {

  1595.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1596.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - start", newBufferSize);

  1597. 

  1598.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1599.         {

  1600.             if (fAudioInBuffers[i] != nullptr)

  1601.                 delete[] fAudioInBuffers[i];

  1602.             fAudioInBuffers[i] = new float[newBufferSize];

  1603.         }

  1604. 

  1605.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1606.         {

  1607.             if (fAudioOutBuffers[i] != nullptr)

  1608.                 delete[] fAudioOutBuffers[i];

  1609.             fAudioOutBuffers[i] = new float[newBufferSize];

  1610.         }

  1611. 

  1612.         if (fHandle2 == nullptr)

  1613.         {

  1614.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1615.             {

  1616.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1617.                 fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1618.             }

  1619. 

  1620.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1621.             {

  1622.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  1623.                 fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1624.             }

  1625.         }

  1626.         else

  1627.         {

  1628.             if (pData->audioIn.count > 0)

  1629.             {

  1630.                 CARLA_ASSERT(pData->audioIn.count == 2);

  1631.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1632.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1633. 

  1634.                 fDescriptor->connect_port(fHandle,  pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1635.                 fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1636.             }

  1637. 

  1638.             if (pData->audioOut.count > 0)

  1639.             {

  1640.                 CARLA_ASSERT(pData->audioOut.count == 2);

  1641.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1642.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1643. 

  1644.                 fDescriptor->connect_port(fHandle,  pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1645.                 fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1646.             }

  1647.         }

  1648. 

  1649.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - end", newBufferSize);

  1650.     }

  1651. 

  1652.     void sampleRateChanged(const double newSampleRate) override

  1653.     {

  1654.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1655.         carla_debug("DssiPlugin::sampleRateChanged(%g) - start", newSampleRate);

  1656. 

  1657.         // TODO

  1658.         (void)newSampleRate;

  1659. 

  1660.         carla_debug("DssiPlugin::sampleRateChanged(%g) - end", newSampleRate);

  1661.     }

  1662. 

  1663.     // -------------------------------------------------------------------

  1664.     // Plugin buffers

  1665. 

  1666.     void clearBuffers() override

  1667.     {

  1668.         carla_debug("DssiPlugin::clearBuffers() - start");

  1669. 

  1670.         if (fAudioInBuffers != nullptr)

  1671.         {

  1672.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1673.             {

  1674.                 if (fAudioInBuffers[i] != nullptr)

  1675.                 {

  1676.                     delete[] fAudioInBuffers[i];

  1677.                     fAudioInBuffers[i] = nullptr;

  1678.                 }

  1679.             }

  1680. 

  1681.             delete[] fAudioInBuffers;

  1682.             fAudioInBuffers = nullptr;

  1683.         }

  1684. 

  1685.         if (fAudioOutBuffers != nullptr)

  1686.         {

  1687.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1688.             {

  1689.                 if (fAudioOutBuffers[i] != nullptr)

  1690.                 {

  1691.                     delete[] fAudioOutBuffers[i];

  1692.                     fAudioOutBuffers[i] = nullptr;

  1693.                 }

  1694.             }

  1695. 

  1696.             delete[] fAudioOutBuffers;

  1697.             fAudioOutBuffers = nullptr;

  1698.         }

  1699. 

  1700.         if (fParamBuffers != nullptr)

  1701.         {

  1702.             delete[] fParamBuffers;

  1703.             fParamBuffers = nullptr;

  1704.         }

  1705. 

  1706.         CarlaPlugin::clearBuffers();

  1707. 

  1708.         carla_debug("DssiPlugin::clearBuffers() - end");

  1709.     }

  1710. 

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

  1712.     // Post-poned UI Stuff

  1713. 

  1714.     void uiParameterChange(const uint32_t index, const float value) override

  1715.     {

  1716.         CARLA_ASSERT(index < pData->param.count);

  1717. 

  1718.         if (index >= pData->param.count)

  1719.             return;

  1720.         if (pData->osc.data.target == nullptr)

  1721.             return;

  1722. 

  1723.         osc_send_control(pData->osc.data, pData->param.data[index].rindex, value);

  1724.     }

  1725. 

  1726.     void uiMidiProgramChange(const uint32_t index) override

  1727.     {

  1728.         CARLA_ASSERT(index < pData->midiprog.count);

  1729. 

  1730.         if (index >= pData->midiprog.count)

  1731.             return;

  1732.         if (pData->osc.data.target == nullptr)

  1733.             return;

  1734. 

  1735.         osc_send_program(pData->osc.data, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1736.     }

  1737. 

  1738.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) override

  1739.     {

  1740.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1741.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1742.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1743. 

  1744.         if (channel >= MAX_MIDI_CHANNELS)

  1745.             return;

  1746.         if (note >= MAX_MIDI_NOTE)

  1747.             return;

  1748.         if (velo >= MAX_MIDI_VALUE)

  1749.             return;

  1750.         if (pData->osc.data.target == nullptr)

  1751.             return;

  1752. 

  1753. #if 0

  1754.         uint8_t midiData[4] = { 0 };

  1755.         midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  1756.         midiData[2] = note;

  1757.         midiData[3] = velo;

  1758. 

  1759.         osc_send_midi(pData->osc.data, midiData);

  1760. #endif

  1761.     }

  1762. 

  1763.     void uiNoteOff(const uint8_t channel, const uint8_t note) override

  1764.     {

  1765.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1766.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1767. 

  1768.         if (channel >= MAX_MIDI_CHANNELS)

  1769.             return;

  1770.         if (note >= MAX_MIDI_NOTE)

  1771.             return;

  1772.         if (pData->osc.data.target == nullptr)

  1773.             return;

  1774. 

  1775. #if 0

  1776.         uint8_t midiData[4] = { 0 };

  1777.         midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  1778.         midiData[2] = note;

  1779. 

  1780.         osc_send_midi(pData->osc.data, midiData);

  1781. #endif

  1782.     }

  1783. 

  1784.     // -------------------------------------------------------------------

  1785. 

  1786.     const void* getExtraStuff() const noexcept override

  1787.     {

  1788.         return fGuiFilename.isNotEmpty() ? (const char*)fGuiFilename : nullptr;

  1789.     }

  1790. 

  1791.     bool init(const char* const filename, const char* const name, const char* const label, const char* const guiFilename)

  1792.     {

  1793.         CARLA_ASSERT(pData->engine != nullptr);

  1794.         CARLA_ASSERT(pData->client == nullptr);

  1795.         CARLA_ASSERT(filename != nullptr);

  1796.         CARLA_ASSERT(label != nullptr);

  1797. 

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

  1799.         // first checks

  1800. 

  1801.         if (pData->engine == nullptr)

  1802.         {

  1803.             return false;

  1804.         }

  1805. 

  1806.         if (pData->client != nullptr)

  1807.         {

  1808.             pData->engine->setLastError("Plugin client is already registered");

  1809.             return false;

  1810.         }

  1811. 

  1812.         if (filename == nullptr)

  1813.         {

  1814.             pData->engine->setLastError("null filename");

  1815.             return false;

  1816.         }

  1817. 

  1818.         if (label == nullptr)

  1819.         {

  1820.             pData->engine->setLastError("null label");

  1821.             return false;

  1822.         }

  1823. 

  1824.         // ---------------------------------------------------------------

  1825.         // open DLL

  1826. 

  1827.         if (! pData->libOpen(filename))

  1828.         {

  1829.             pData->engine->setLastError(pData->libError(filename));

  1830.             return false;

  1831.         }

  1832. 

  1833.         // ---------------------------------------------------------------

  1834.         // get DLL main entry

  1835. 

  1836.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)pData->libSymbol("dssi_descriptor");

  1837. 

  1838.         if (descFn == nullptr)

  1839.         {

  1840.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1841.             return false;

  1842.         }

  1843. 

  1844.         // ---------------------------------------------------------------

  1845.         // get descriptor that matches label

  1846. 

  1847.         unsigned long i = 0;

  1848.         while ((fDssiDescriptor = descFn(i++)) != nullptr)

  1849.         {

  1850.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  1851.             if (fDescriptor != nullptr && fDescriptor->Label != nullptr && std::strcmp(fDescriptor->Label, label) == 0)

  1852.                 break;

  1853.         }

  1854. 

  1855.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  1856.         {

  1857.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  1858.             return false;

  1859.         }

  1860. 

  1861.         // ---------------------------------------------------------------

  1862.         // check if uses global instance

  1863. 

  1864.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  1865.         {

  1866.             if (! addUniqueMultiSynth(fDescriptor->Label))

  1867.             {

  1868.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  1869.                 return false;

  1870.             }

  1871.         }

  1872. 

  1873.         // ---------------------------------------------------------------

  1874.         // get info

  1875. 

  1876.         if (name != nullptr)

  1877.             fName = pData->engine->getUniquePluginName(name);

  1878.         else if (fDescriptor->Name != nullptr)

  1879.             fName = pData->engine->getUniquePluginName(fDescriptor->Name);

  1880.         else

  1881.             fName = pData->engine->getUniquePluginName(fDescriptor->Label);

  1882. 

  1883.         fFilename = filename;

  1884. 

  1885.         // ---------------------------------------------------------------

  1886.         // register client

  1887. 

  1888.         pData->client = pData->engine->addClient(this);

  1889. 

  1890.         if (pData->client == nullptr || ! pData->client->isOk())

  1891.         {

  1892.             pData->engine->setLastError("Failed to register plugin client");

  1893.             return false;

  1894.         }

  1895. 

  1896.         // ---------------------------------------------------------------

  1897.         // initialize plugin

  1898. 

  1899.         fHandle = fDescriptor->instantiate(fDescriptor, (unsigned long)pData->engine->getSampleRate());

  1900. 

  1901.         if (fHandle == nullptr)

  1902.         {

  1903.             pData->engine->setLastError("Plugin failed to initialize");

  1904.             return false;

  1905.         }

  1906. 

  1907.         // ---------------------------------------------------------------

  1908.         // gui stuff

  1909. 

  1910.         if (guiFilename != nullptr)

  1911.         {

  1912.             fGuiFilename = guiFilename;

  1913.             pData->osc.thread.setOscData(guiFilename, fDescriptor->Label);

  1914.         }

  1915. 

  1916.         // ---------------------------------------------------------------

  1917.         // load plugin settings

  1918. 

  1919.         {

  1920. #ifdef __USE_GNU

  1921.             const bool isDssiVst = fFilename.contains("dssi-vst", true);

  1922. #else

  1923.             const bool isDssiVst = fFilename.contains("dssi-vst");

  1924. #endif

  1925. 

  1926.             // set default options

  1927.             fOptions = 0x0;

  1928. 

  1929.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1930. 

  1931.             if (pData->engine->getOptions().forceStereo)

  1932.                 fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  1933. 

  1934.             if (isDssiVst)

  1935.             {

  1936.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  1937. 

  1938. //                 if (pData->engine->getOptions().useDssiVstChunks && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  1939. //                     fOptions |= PLUGIN_OPTION_USE_CHUNKS;

  1940.             }

  1941. 

  1942.             if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  1943.             {

  1944.                 fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1945.                 fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1946.                 fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1947.                 fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1948. 

  1949.                 if (fDssiDescriptor->run_synth == nullptr)

  1950.                     carla_stderr2("Plugin can ONLY use run_multiple_synths!");

  1951.             }

  1952. 

  1953.             // load settings

  1954.             pData->idStr  = "DSSI/";

  1955.             pData->idStr += std::strrchr(filename, OS_SEP)+1;

  1956.             pData->idStr += "/";

  1957.             pData->idStr += label;

  1958.             fOptions = pData->loadSettings(fOptions, getAvailableOptions());

  1959. 

  1960.             // ignore settings, we need this anyway

  1961.             if (isDssiVst)

  1962.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFERS;

  1963.         }

  1964. 

  1965.         return true;

  1966.     }

  1967. 

  1968. private:

  1969.     LADSPA_Handle fHandle;

  1970.     LADSPA_Handle fHandle2;

  1971.     const LADSPA_Descriptor* fDescriptor;

  1972.     const DSSI_Descriptor*   fDssiDescriptor;

  1973. 

  1974.     CarlaString fGuiFilename;

  1975. 

  1976.     float** fAudioInBuffers;

  1977.     float** fAudioOutBuffers;

  1978.     float*  fParamBuffers;

  1979.     snd_seq_event_t fMidiEvents[MAX_MIDI_EVENTS];

  1980. 

  1981.     static NonRtList<const char*> sMultiSynthList;

  1982. 

  1983.     static bool addUniqueMultiSynth(const char* const label)

  1984.     {

  1985.         for (NonRtList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  1986.         {

  1987.             const char*& itLabel(*it);

  1988. 

  1989.             if (std::strcmp(label, itLabel) == 0)

  1990.                 return false;

  1991.         }

  1992. 

  1993.         sMultiSynthList.append(carla_strdup(label));

  1994.         return true;

  1995.     }

  1996. 

  1997.     static void removeUniqueMultiSynth(const char* const label)

  1998.     {

  1999.         for (NonRtList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2000.         {

  2001.             const char*& itLabel(*it);

  2002. 

  2003.             if (std::strcmp(label, itLabel) == 0)

  2004.             {

  2005.                 sMultiSynthList.remove(it);

  2006.                 delete[] itLabel;

  2007.                 return;

  2008.             }

  2009.         }

  2010.     }

  2011. 

  2012.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DssiPlugin)

  2013. };

  2014. 

  2015. NonRtList<const char*> DssiPlugin::sMultiSynthList;

  2016. 

  2017. CARLA_BACKEND_END_NAMESPACE

  2018. 

  2019. #else // WANT_DSSI

  2020. # warning Building without DSSI support

  2021. #endif

  2022. 

  2023. CARLA_BACKEND_START_NAMESPACE

  2024. 

  2025. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init, const char* const guiFilename)

  2026. {

  2027.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\"}, \"%s\")", init.engine, init.filename, init.name, init.label, guiFilename);

  2028. 

  2029. #ifdef WANT_DSSI

  2030.     DssiPlugin* const plugin(new DssiPlugin(init.engine, init.id));

  2031. 

  2032.     if (! plugin->init(init.filename, init.name, init.label, guiFilename))

  2033.     {

  2034.         delete plugin;

  2035.         return nullptr;

  2036.     }

  2037. 

  2038.     plugin->reload();

  2039. 

  2040.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2041.     {

  2042.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2043.         delete plugin;

  2044.         return nullptr;

  2045.     }

  2046. 

  2047.     return plugin;

  2048. #else

  2049.     init.engine->setLastError("DSSI support not available");

  2050.     return nullptr;

  2051. #endif

  2052. }

  2053. 

  2054. CARLA_BACKEND_END_NAMESPACE