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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 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.         kData->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.             // Wait a bit first, then force kill

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

  62.             {

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

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

  65.             }

  66.         }

  67. 

  68.         kData->singleMutex.lock();

  69.         kData->masterMutex.lock();

  70. 

  71.         if (kData->client != nullptr && kData->client->isActive())

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

  73. 

  74.         if (kData->active)

  75.         {

  76.             deactivate();

  77.             kData->active = false;

  78.         }

  79. 

  80.         if (fDescriptor != nullptr)

  81.         {

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

  83.             {

  84.                 removeUniqueMultiSynth(fDescriptor->Label);

  85.             }

  86. 

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

  88.             {

  89.                 if (fHandle != nullptr)

  90.                     fDescriptor->cleanup(fHandle);

  91.                 if (fHandle2 != nullptr)

  92.                     fDescriptor->cleanup(fHandle2);

  93.             }

  94. 

  95.             fHandle  = nullptr;

  96.             fHandle2 = nullptr;

  97.             fDescriptor = nullptr;

  98.             fDssiDescriptor = nullptr;

  99.         }

  100. 

  101.         clearBuffers();

  102.     }

  103. 

  104.     // -------------------------------------------------------------------

  105.     // Information (base)

  106. 

  107.     PluginType type() const override

  108.     {

  109.         return PLUGIN_DSSI;

  110.     }

  111. 

  112.     PluginCategory category() override

  113.     {

  114.         if (fHints & PLUGIN_IS_SYNTH)

  115.             return PLUGIN_CATEGORY_SYNTH;

  116. 

  117.         return getPluginCategoryFromName(fName);

  118.     }

  119. 

  120.     long uniqueId() const override

  121.     {

  122.         CARLA_ASSERT(fDescriptor != nullptr);

  123. 

  124.         return fDescriptor->UniqueID;

  125.     }

  126. 

  127.     // -------------------------------------------------------------------

  128.     // Information (count)

  129. 

  130.     // nothing

  131. 

  132.     // -------------------------------------------------------------------

  133.     // Information (current data)

  134. 

  135.     int32_t chunkData(void** const dataPtr) override

  136.     {

  137.         CARLA_ASSERT(fOptions & PLUGIN_OPTION_USE_CHUNKS);

  138.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  140.         CARLA_ASSERT(fHandle != nullptr);

  141.         CARLA_ASSERT(fHandle2 == nullptr);

  142.         CARLA_ASSERT(dataPtr != nullptr);

  143. 

  144.         unsigned long dataSize = 0;

  145. 

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

  147.             return static_cast<int32_t>(dataSize);

  148. 

  149.         return 0;

  150.     }

  151. 

  152.     // -------------------------------------------------------------------

  153.     // Information (per-plugin data)

  154. 

  155.     unsigned int availableOptions() override

  156.     {

  157.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  158. 

  159.         if (fDssiDescriptor == nullptr)

  160.             return 0x0;

  161. 

  162. #ifdef __USE_GNU

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

  164. #else

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

  166. #endif

  167. 

  168.         unsigned int options = 0x0;

  169. 

  170.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  171. 

  172.         if (isDssiVst)

  173.         {

  174.             if (kData->engine->getOptions().useDssiVstChunks && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  175.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  176.         }

  177.         else

  178.         {

  179.             if (kData->engine->getProccessMode() != PROCESS_MODE_CONTINUOUS_RACK)

  180.             {

  181.                 if (fOptions & PLUGIN_OPTION_FORCE_STEREO)

  182.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  184.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  185.             }

  186. 

  187.             options |= PLUGIN_OPTION_FIXED_BUFFER;

  188.         }

  189. 

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

  191.         {

  192.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  193.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  194.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  195.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  196.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  197.         }

  198. 

  199.         return options;

  200.     }

  201. 

  202.     float getParameterValue(const uint32_t parameterId) override

  203.     {

  204.         CARLA_ASSERT(fParamBuffers != nullptr);

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

  206. 

  207.         return fParamBuffers[parameterId];

  208.     }

  209. 

  210.     void getLabel(char* const strBuf) override

  211.     {

  212.         CARLA_ASSERT(fDescriptor != nullptr);

  213. 

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

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

  216.         else

  217.             CarlaPlugin::getLabel(strBuf);

  218.     }

  219. 

  220.     void getMaker(char* const strBuf) override

  221.     {

  222.         CARLA_ASSERT(fDescriptor != nullptr);

  223. 

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

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

  226.         else

  227.             CarlaPlugin::getMaker(strBuf);

  228.     }

  229. 

  230.     void getCopyright(char* const strBuf) override

  231.     {

  232.         CARLA_ASSERT(fDescriptor != nullptr);

  233. 

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

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

  236.         else

  237.             CarlaPlugin::getCopyright(strBuf);

  238.     }

  239. 

  240.     void getRealName(char* const strBuf) override

  241.     {

  242.         CARLA_ASSERT(fDescriptor != nullptr);

  243. 

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

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

  246.         else

  247.             CarlaPlugin::getRealName(strBuf);

  248.     }

  249. 

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

  251.     {

  252.         CARLA_ASSERT(fDescriptor != nullptr);

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

  254. 

  255.         const int32_t rindex(kData->param.data[parameterId].rindex);

  256. 

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

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

  259.         else

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

  261.     }

  262. 

  263.     // -------------------------------------------------------------------

  264.     // Set data (state)

  265. 

  266.     // nothing

  267. 

  268.     // -------------------------------------------------------------------

  269.     // Set data (internal stuff)

  270. 

  271.     // nothing

  272. 

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

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

  275. 

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

  277.     {

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

  279. 

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

  281.         fParamBuffers[parameterId] = fixedValue;

  282. 

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

  284.     }

  285. 

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

  287.     {

  288.         CARLA_ASSERT(fDescriptor != nullptr);

  289.         CARLA_ASSERT(fHandle != nullptr);

  290.         CARLA_ASSERT(type != nullptr);

  291.         CARLA_ASSERT(key != nullptr);

  292.         CARLA_ASSERT(value != nullptr);

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

  294. 

  295.         if (type == nullptr)

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

  297. 

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

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

  300. 

  301.         if (key == nullptr)

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

  303. 

  304.         if (value == nullptr)

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

  306. 

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

  308.         {

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

  310. 

  311.             if (fHandle2)

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

  313.         }

  314. 

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

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

  317. 

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

  319.         {

  320.             const ScopedDisabler sd(this);

  321.             reloadPrograms(false);

  322.         }

  323. 

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

  325.     }

  326. 

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

  328.     {

  329.         CARLA_ASSERT(fOptions & PLUGIN_OPTION_USE_CHUNKS);

  330.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  332.         CARLA_ASSERT(fHandle != nullptr);

  333.         CARLA_ASSERT(fHandle2 == nullptr);

  334.         CARLA_ASSERT(stringData != nullptr);

  335. 

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

  337.             return;

  338. 

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

  340. 

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

  342. 

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

  344.         {

  345.             const ScopedSingleProcessLocker spl(this, true);

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

  347.         }

  348.     }

  349. 

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

  351.     {

  352.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  353.         CARLA_ASSERT(fHandle != nullptr);

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

  355. 

  356.         if (index < -1)

  357.             index = -1;

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

  359.             return;

  360. 

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

  362.         {

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

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

  365. 

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

  367. 

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

  369. 

  370.             if (fHandle2 != nullptr)

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

  372.         }

  373. 

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

  375.     }

  376. 

  377.     // -------------------------------------------------------------------

  378.     // Set gui stuff

  379. 

  380.     void showGui(const bool yesNo) override

  381.     {

  382.         if (yesNo)

  383.         {

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

  385.         }

  386.         else

  387.         {

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

  389.             {

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

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

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

  393.             }

  394. 

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

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

  397.         }

  398.     }

  399. 

  400.     // -------------------------------------------------------------------

  401.     // Plugin state

  402. 

  403.     void reload() override

  404.     {

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

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

  407.         CARLA_ASSERT(fDescriptor != nullptr);

  408.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  409.         CARLA_ASSERT(fHandle != nullptr);

  410. 

  411.         if (kData->engine == nullptr)

  412.             return;

  413.         if (fDescriptor == nullptr)

  414.             return;

  415.         if (fDssiDescriptor == nullptr)

  416.             return;

  417.         if (fHandle == nullptr)

  418.             return;

  419. 

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

  421. 

  422.         // Safely disable plugin for reload

  423.         const ScopedDisabler sd(this);

  424. 

  425.         if (kData->active)

  426.             deactivate();

  427. 

  428.         clearBuffers();

  429. 

  430.         const float sampleRate(static_cast<float>(kData->engine->getSampleRate()));

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

  432. 

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

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

  435. 

  436.         bool forcedStereoIn, forcedStereoOut;

  437.         forcedStereoIn = forcedStereoOut = false;

  438. 

  439.         bool needsCtrlIn, needsCtrlOut;

  440.         needsCtrlIn = needsCtrlOut = false;

  441. 

  442.         if (portCount > 0)

  443.         {

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

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

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

  447. 

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

  449.             {

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

  451. 

  452.                 if (LADSPA_IS_PORT_AUDIO(portType))

  453.                 {

  454.                     if (LADSPA_IS_PORT_INPUT(portType))

  455.                         aIns += 1;

  456.                     else if (LADSPA_IS_PORT_OUTPUT(portType))

  457.                         aOuts += 1;

  458.                 }

  459.                 else if (LADSPA_IS_PORT_CONTROL(portType))

  460.                     params += 1;

  461.             }

  462.         }

  463. 

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

  465.         {

  466.             if (fHandle2 == nullptr)

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

  468. 

  469.             if (fHandle2 != nullptr)

  470.             {

  471.                 if (aIns == 1)

  472.                 {

  473.                     aIns = 2;

  474.                     forcedStereoIn = true;

  475.                 }

  476. 

  477.                 if (aOuts == 1)

  478.                 {

  479.                     aOuts = 2;

  480.                     forcedStereoOut = true;

  481.                 }

  482.             }

  483.         }

  484. 

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

  486.         {

  487.             mIns = 1;

  488.             needsCtrlIn = true;

  489.         }

  490. 

  491.         if (aIns > 0)

  492.         {

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

  494.             fAudioInBuffers = new float*[aIns];

  495. 

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

  497.                 fAudioInBuffers[i] = nullptr;

  498.         }

  499. 

  500.         if (aOuts > 0)

  501.         {

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

  503.             fAudioOutBuffers = new float*[aOuts];

  504.             needsCtrlIn = true;

  505. 

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

  507.                 fAudioOutBuffers[i] = nullptr;

  508.         }

  509. 

  510.         if (params > 0)

  511.         {

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

  513. 

  514.             fParamBuffers = new float[params];

  515.             carla_zeroFloat(fParamBuffers, params);

  516.         }

  517. 

  518.         const uint portNameSize(kData->engine->maxPortNameSize());

  519.         CarlaString portName;

  520. 

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

  522.         {

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

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

  525. 

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

  527. 

  528.             if (LADSPA_IS_PORT_AUDIO(portType))

  529.             {

  530.                 portName.clear();

  531. 

  532.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  533.                 {

  534.                     portName  = fName;

  535.                     portName += ":";

  536.                 }

  537. 

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

  539.                 portName.truncate(portNameSize);

  540. 

  541.                 if (LADSPA_IS_PORT_INPUT(portType))

  542.                 {

  543.                     j = iAudioIn++;

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

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

  546. 

  547.                     if (forcedStereoIn)

  548.                     {

  549.                         portName += "_2";

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

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

  552.                     }

  553.                 }

  554.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  555.                 {

  556.                     j = iAudioOut++;

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

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

  559. 

  560.                     if (forcedStereoOut)

  561.                     {

  562.                         portName += "_2";

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

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

  565.                     }

  566.                 }

  567.                 else

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

  569.             }

  570.             else if (LADSPA_IS_PORT_CONTROL(portType))

  571.             {

  572.                 j = iCtrl++;

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

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

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

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

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

  578. 

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

  580. 

  581.                 // min value

  582.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  583.                     min = portRangeHints.LowerBound;

  584.                 else

  585.                     min = 0.0f;

  586. 

  587.                 // max value

  588.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  589.                     max = portRangeHints.UpperBound;

  590.                 else

  591.                     max = 1.0f;

  592. 

  593.                 if (min > max)

  594.                     max = min;

  595.                 else if (max < min)

  596.                     min = max;

  597. 

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

  599.                 {

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

  601.                     max = min + 0.1f;

  602.                 }

  603. 

  604.                 // default value

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

  606. 

  607.                 if (def < min)

  608.                     def = min;

  609.                 else if (def > max)

  610.                     def = max;

  611. 

  612.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  613.                 {

  614.                     min *= sampleRate;

  615.                     max *= sampleRate;

  616.                     def *= sampleRate;

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

  618.                 }

  619. 

  620.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  621.                 {

  622.                     step = max - min;

  623.                     stepSmall = step;

  624.                     stepLarge = step;

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

  626.                 }

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

  628.                 {

  629.                     step = 1.0f;

  630.                     stepSmall = 1.0f;

  631.                     stepLarge = 10.0f;

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

  633.                 }

  634.                 else

  635.                 {

  636.                     float range = max - min;

  637.                     step = range/100.0f;

  638.                     stepSmall = range/1000.0f;

  639.                     stepLarge = range/10.0f;

  640.                 }

  641. 

  642.                 if (LADSPA_IS_PORT_INPUT(portType))

  643.                 {

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

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

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

  647.                     needsCtrlIn = true;

  648. 

  649.                     // MIDI CC value

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

  651.                     {

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

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

  654.                         {

  655.                             int16_t cc = DSSI_CC_NUMBER(controller);

  656.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  658.                         }

  659.                     }

  660.                 }

  661.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  662.                 {

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

  664.                     {

  665.                         min = 0.0f;

  666.                         max = sampleRate;

  667.                         def = 0.0f;

  668.                         step = 1.0f;

  669.                         stepSmall = 1.0f;

  670.                         stepLarge = 1.0f;

  671. 

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

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

  674.                     }

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

  676.                     {

  677.                         def = sampleRate;

  678.                         step = 1.0f;

  679.                         stepSmall = 1.0f;

  680.                         stepLarge = 1.0f;

  681. 

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

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

  684.                     }

  685.                     else

  686.                     {

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

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

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

  690.                         needsCtrlOut = true;

  691.                     }

  692.                 }

  693.                 else

  694.                 {

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

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

  697.                 }

  698. 

  699.                 // extra parameter hints

  700.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  702. 

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

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

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

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

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

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

  709. 

  710.                 // Start parameters in their default values

  711.                 fParamBuffers[j] = def;

  712. 

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

  714. 

  715.                 if (fHandle2 != nullptr)

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

  717.             }

  718.             else

  719.             {

  720.                 // Not Audio or Control

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

  722. 

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

  724. 

  725.                 if (fHandle2 != nullptr)

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

  727.             }

  728.         }

  729. 

  730.         if (needsCtrlIn)

  731.         {

  732.             portName.clear();

  733. 

  734.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  735.             {

  736.                 portName  = fName;

  737.                 portName += ":";

  738.             }

  739. 

  740.             portName += "events-in";

  741.             portName.truncate(portNameSize);

  742. 

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

  744.         }

  745. 

  746.         if (needsCtrlOut)

  747.         {

  748.             portName.clear();

  749. 

  750.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  751.             {

  752.                 portName  = fName;

  753.                 portName += ":";

  754.             }

  755. 

  756.             portName += "events-out";

  757.             portName.truncate(portNameSize);

  758. 

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

  760.         }

  761. 

  762.         if (forcedStereoIn || forcedStereoOut)

  763.             fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  764.         else

  765.             fOptions &= ~PLUGIN_OPTION_FORCE_STEREO;

  766. 

  767.         // plugin hints

  768.         fHints = 0x0;

  769. 

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

  771.             fHints |= PLUGIN_IS_RTSAFE;

  772. 

  773.         if (fGuiFilename.isNotEmpty())

  774.             fHints |= PLUGIN_HAS_GUI;

  775. 

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

  777.             fHints |= PLUGIN_IS_SYNTH;

  778. 

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

  780.             fHints |= PLUGIN_CAN_DRYWET;

  781. 

  782.         if (aOuts > 0)

  783.             fHints |= PLUGIN_CAN_VOLUME;

  784. 

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

  786.             fHints |= PLUGIN_CAN_BALANCE;

  787. 

  788.         // extra plugin hints

  789.         kData->extraHints = 0x0;

  790. 

  791.         if (mIns > 0)

  792.             kData->extraHints |= PLUGIN_HINT_HAS_MIDI_IN;

  793. 

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

  795.             kData->extraHints |= PLUGIN_HINT_CAN_RUN_RACK;

  796. 

  797.         // check latency

  798.         if (fHints & PLUGIN_CAN_DRYWET)

  799.         {

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

  801.             {

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

  803.                     continue;

  804. 

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

  806. 

  807.                 float tmpIn[aIns][2];

  808.                 float tmpOut[aOuts][2];

  809. 

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

  811.                 {

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

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

  814. 

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

  816.                 }

  817. 

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

  819.                 {

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

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

  822. 

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

  824.                 }

  825. 

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

  827.                     fDescriptor->activate(fHandle);

  828. 

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

  830. 

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

  832.                     fDescriptor->deactivate(fHandle);

  833. 

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

  835. 

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

  837.                 {

  838.                     kData->latency = latency;

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

  840.                     kData->recreateLatencyBuffers();

  841.                 }

  842. 

  843.                 break;

  844.             }

  845.         }

  846. 

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

  848.         reloadPrograms(true);

  849. 

  850.         if (kData->active)

  851.             activate();

  852. 

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

  854.     }

  855. 

  856.     void reloadPrograms(const bool init) override

  857.     {

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

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

  860.         const int32_t current = kData->midiprog.current;

  861. 

  862.         // Delete old programs

  863.         kData->midiprog.clear();

  864. 

  865.         // Query new programs

  866.         uint32_t count = 0;

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

  868.         {

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

  870.                 count++;

  871.         }

  872. 

  873.         if (count > 0)

  874.         {

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

  876. 

  877.             // Update data

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

  879.             {

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

  881.                 CARLA_ASSERT(pdesc != nullptr);

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

  883. 

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

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

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

  887.             }

  888.         }

  889. 

  890. #ifndef BUILD_BRIDGE

  891.         // Update OSC Names

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

  893.         {

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

  895. 

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

  897.                 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);

  898.         }

  899. #endif

  900. 

  901.         if (init)

  902.         {

  903.             if (count > 0)

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

  905.         }

  906.         else

  907.         {

  908.             // Check if current program is invalid

  909.             bool programChanged = false;

  910. 

  911.             if (count == oldCount+1)

  912.             {

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

  914.                 kData->midiprog.current = oldCount;

  915.                 programChanged = true;

  916.             }

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

  918.             {

  919.                 // programs exist now, but not before

  920.                 kData->midiprog.current = 0;

  921.                 programChanged = true;

  922.             }

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

  924.             {

  925.                 // programs existed before, but not anymore

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

  927.                 programChanged = true;

  928.             }

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

  930.             {

  931.                 // current midi program > count

  932.                 kData->midiprog.current = 0;

  933.                 programChanged = true;

  934.             }

  935.             else

  936.             {

  937.                 // no change

  938.                 kData->midiprog.current = current;

  939.             }

  940. 

  941.             if (programChanged)

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

  943. 

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

  945.         }

  946.     }

  947. 

  948.     // -------------------------------------------------------------------

  949.     // Plugin processing

  950. 

  951.     void activate() override

  952.     {

  953.         CARLA_ASSERT(fDescriptor != nullptr);

  954.         CARLA_ASSERT(fHandle != nullptr);

  955. 

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

  957.         {

  958.             fDescriptor->activate(fHandle);

  959. 

  960.             if (fHandle2 != nullptr)

  961.                 fDescriptor->activate(fHandle2);

  962.         }

  963.     }

  964. 

  965.     void deactivate() override

  966.     {

  967.         CARLA_ASSERT(fDescriptor != nullptr);

  968.         CARLA_ASSERT(fHandle != nullptr);

  969. 

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

  971.         {

  972.             fDescriptor->deactivate(fHandle);

  973. 

  974.             if (fHandle2 != nullptr)

  975.                 fDescriptor->deactivate(fHandle2);

  976.         }

  977.     }

  978. 

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

  980.     {

  981.         uint32_t i, k;

  982. 

  983.         // --------------------------------------------------------------------------------------------------------

  984.         // Check if active

  985. 

  986.         if (! kData->active)

  987.         {

  988.             // disable any output sound

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

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

  991. 

  992.             return;

  993.         }

  994. 

  995.         unsigned long midiEventCount = 0;

  996. 

  997.         // --------------------------------------------------------------------------------------------------------

  998.         // Check if needs reset

  999. 

  1000.         if (kData->needsReset)

  1001.         {

  1002.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1003.             {

  1004.                 for (unsigned char j=0, l=MAX_MIDI_CHANNELS; j < MAX_MIDI_CHANNELS; ++j)

  1005.                 {

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

  1007.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j+l]);

  1008. 

  1009.                     fMidiEvents[j].type = SND_SEQ_EVENT_CONTROLLER;

  1010.                     fMidiEvents[j].data.control.channel = j;

  1011.                     fMidiEvents[j].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1012. 

  1013.                     fMidiEvents[j+l].type = SND_SEQ_EVENT_CONTROLLER;

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

  1015.                     fMidiEvents[j+l].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1016.                 }

  1017. 

  1018.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1019.             }

  1020.             else if (kData->ctrlChannel >= 0 && kData->ctrlChannel < MAX_MIDI_CHANNELS)

  1021.             {

  1022.                 for (unsigned char j=0; j < MAX_MIDI_NOTE; ++j)

  1023.                 {

  1024.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j]);

  1025. 

  1026.                     fMidiEvents[j].type = SND_SEQ_EVENT_NOTEOFF;

  1027.                     fMidiEvents[j].data.note.channel = kData->ctrlChannel;

  1028.                     fMidiEvents[j].data.note.note    = j;

  1029.                 }

  1030. 

  1031.                 midiEventCount = MAX_MIDI_NOTE;

  1032.             }

  1033. 

  1034.             if (kData->latency > 0)

  1035.             {

  1036.                 for (i=0; i < kData->audioIn.count; ++i)

  1037.                     carla_zeroFloat(kData->latencyBuffers[i], kData->latency);

  1038.             }

  1039. 

  1040.             kData->needsReset = false;

  1041.         }

  1042. 

  1043.         // --------------------------------------------------------------------------------------------------------

  1044.         // Event Input and Processing

  1045. 

  1046.         if (kData->event.portIn != nullptr)

  1047.         {

  1048.             // ----------------------------------------------------------------------------------------------------

  1049.             // MIDI Input (External)

  1050. 

  1051.             if (kData->extNotes.mutex.tryLock())

  1052.             {

  1053.                 while (midiEventCount < MAX_MIDI_EVENTS && ! kData->extNotes.data.isEmpty())

  1054.                 {

  1055.                     const ExternalMidiNote& note(kData->extNotes.data.getFirst(true));

  1056. 

  1057.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1058. 

  1059.                     fMidiEvents[midiEventCount].type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

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

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

  1062.                     fMidiEvents[midiEventCount].data.note.velocity = note.velo;

  1063. 

  1064.                     midiEventCount += 1;

  1065.                 }

  1066. 

  1067.                 kData->extNotes.mutex.unlock();

  1068. 

  1069.             } // End of MIDI Input (External)

  1070. 

  1071.             // ----------------------------------------------------------------------------------------------------

  1072.             // Event Input (System)

  1073. 

  1074.             bool allNotesOffSent = false;

  1075.             bool sampleAccurate  = (fOptions & PLUGIN_OPTION_FIXED_BUFFER) == 0;

  1076. 

  1077.             uint32_t time, nEvents = kData->event.portIn->getEventCount();

  1078.             uint32_t startTime  = 0;

  1079.             uint32_t timeOffset = 0;

  1080.             uint32_t nextBankId = 0;

  1081. 

  1082.             if (kData->midiprog.current >= 0 && kData->midiprog.count > 0)

  1083.                 nextBankId = kData->midiprog.data[kData->midiprog.current].bank;

  1084. 

  1085.             for (i=0; i < nEvents; ++i)

  1086.             {

  1087.                 const EngineEvent& event(kData->event.portIn->getEvent(i));

  1088. 

  1089.                 time = event.time;

  1090. 

  1091.                 if (time >= frames)

  1092.                     continue;

  1093. 

  1094.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1095. 

  1096.                 if (time > timeOffset && sampleAccurate)

  1097.                 {

  1098.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset, midiEventCount))

  1099.                     {

  1100.                         startTime  = 0;

  1101.                         timeOffset = time;

  1102.                         midiEventCount = 0;

  1103. 

  1104.                         if (kData->midiprog.current >= 0 && kData->midiprog.count > 0)

  1105.                             nextBankId = kData->midiprog.data[kData->midiprog.current].bank;

  1106.                         else

  1107.                             nextBankId = 0;

  1108.                     }

  1109.                     else

  1110.                         startTime += timeOffset;

  1111.                 }

  1112. 

  1113.                 // Control change

  1114.                 switch (event.type)

  1115.                 {

  1116.                 case kEngineEventTypeNull:

  1117.                     break;

  1118. 

  1119.                 case kEngineEventTypeControl:

  1120.                 {

  1121.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1122. 

  1123.                     switch (ctrlEvent.type)

  1124.                     {

  1125.                     case kEngineControlEventTypeNull:

  1126.                         break;

  1127. 

  1128.                     case kEngineControlEventTypeParameter:

  1129.                     {

  1130. #ifndef BUILD_BRIDGE

  1131.                         // Control backend stuff

  1132.                         if (event.channel == kData->ctrlChannel)

  1133.                         {

  1134.                             float value;

  1135. 

  1136.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1137.                             {

  1138.                                 value = ctrlEvent.value;

  1139.                                 setDryWet(value, false, false);

  1140.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1141.                             }

  1142. 

  1143.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1144.                             {

  1145.                                 value = ctrlEvent.value*127.0f/100.0f;

  1146.                                 setVolume(value, false, false);

  1147.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1148.                             }

  1149. 

  1150.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1151.                             {

  1152.                                 float left, right;

  1153.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1154. 

  1155.                                 if (value < 0.0f)

  1156.                                 {

  1157.                                     left  = -1.0f;

  1158.                                     right = (value*2.0f)+1.0f;

  1159.                                 }

  1160.                                 else if (value > 0.0f)

  1161.                                 {

  1162.                                     left  = (value*2.0f)-1.0f;

  1163.                                     right = 1.0f;

  1164.                                 }

  1165.                                 else

  1166.                                 {

  1167.                                     left  = -1.0f;

  1168.                                     right = 1.0f;

  1169.                                 }

  1170. 

  1171.                                 setBalanceLeft(left, false, false);

  1172.                                 setBalanceRight(right, false, false);

  1173.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1174.                                 postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1175.                             }

  1176.                         }

  1177. #endif

  1178. 

  1179.                         // Control plugin parameters

  1180.                         for (k=0; k < kData->param.count; ++k)

  1181.                         {

  1182.                             if (kData->param.data[k].midiChannel != event.channel)

  1183.                                 continue;

  1184.                             if (kData->param.data[k].midiCC != ctrlEvent.param)

  1185.                                 continue;

  1186.                             if (kData->param.data[k].type != PARAMETER_INPUT)

  1187.                                 continue;

  1188.                             if ((kData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1189.                                 continue;

  1190. 

  1191.                             float value;

  1192. 

  1193.                             if (kData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1194.                             {

  1195.                                 value = (ctrlEvent.value < 0.5f) ? kData->param.ranges[k].min : kData->param.ranges[k].max;

  1196.                             }

  1197.                             else

  1198.                             {

  1199.                                 value = kData->param.ranges[k].unnormalizeValue(ctrlEvent.value);

  1200. 

  1201.                                 if (kData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1202.                                     value = std::rint(value);

  1203.                             }

  1204. 

  1205.                             setParameterValue(k, value, false, false, false);

  1206.                             postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1207.                         }

  1208. 

  1209.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1210.                         {

  1211.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1212.                                 continue;

  1213. 

  1214.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1215. 

  1216.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1217. 

  1218.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1219.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1220.                             fMidiEvents[midiEventCount].data.control.param   = ctrlEvent.param;

  1221.                             fMidiEvents[midiEventCount].data.control.value   = ctrlEvent.value*127.0f;

  1222. 

  1223.                             midiEventCount += 1;

  1224.                         }

  1225. 

  1226.                         break;

  1227.                     }

  1228. 

  1229.                     case kEngineControlEventTypeMidiBank:

  1230.                         if (event.channel == kData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1231.                             nextBankId = ctrlEvent.param;

  1232.                         break;

  1233. 

  1234.                     case kEngineControlEventTypeMidiProgram:

  1235.                         if (event.channel == kData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1236.                         {

  1237.                             const uint32_t nextProgramId = ctrlEvent.param;

  1238. 

  1239.                             for (k=0; k < kData->midiprog.count; ++k)

  1240.                             {

  1241.                                 if (kData->midiprog.data[k].bank == nextBankId && kData->midiprog.data[k].program == nextProgramId)

  1242.                                 {

  1243.                                     setMidiProgram(k, false, false, false);

  1244.                                     postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1245.                                     break;

  1246.                                 }

  1247.                             }

  1248.                         }

  1249.                         break;

  1250. 

  1251.                     case kEngineControlEventTypeAllSoundOff:

  1252.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1253.                         {

  1254.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1255.                                 continue;

  1256. 

  1257.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1258. 

  1259.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1260. 

  1261.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1262.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1263.                             fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1264. 

  1265.                             midiEventCount += 1;

  1266.                         }

  1267.                         break;

  1268. 

  1269.                     case kEngineControlEventTypeAllNotesOff:

  1270.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1271.                         {

  1272.                             if (event.channel == kData->ctrlChannel && ! allNotesOffSent)

  1273.                             {

  1274.                                 allNotesOffSent = true;

  1275.                                 sendMidiAllNotesOffToCallback();

  1276.                             }

  1277. 

  1278.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1279.                                 continue;

  1280. 

  1281.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1282. 

  1283.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1284. 

  1285.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

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

  1287.                             fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1288. 

  1289.                             midiEventCount += 1;

  1290.                         }

  1291.                         break;

  1292.                     }

  1293. 

  1294.                     break;

  1295.                 }

  1296. 

  1297.                 case kEngineEventTypeMidi:

  1298.                 {

  1299.                     if (midiEventCount >= MAX_MIDI_EVENTS)

  1300.                         continue;

  1301. 

  1302.                     const EngineMidiEvent& midiEvent(event.midi);

  1303. 

  1304.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1305.                     uint8_t channel = event.channel;

  1306. 

  1307.                     // Fix bad note-off (per DSSI spec)

  1308.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1309.                         status -= 0x10;

  1310. 

  1311.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1312. 

  1313.                     fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1314. 

  1315.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1316.                     {

  1317.                         const uint8_t note = midiEvent.data[1];

  1318. 

  1319.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEOFF;

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

  1321.                         fMidiEvents[midiEventCount].data.note.note    = note;

  1322. 

  1323.                         postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1324.                     }

  1325.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1326.                     {

  1327.                         const uint8_t note = midiEvent.data[1];

  1328.                         const uint8_t velo = midiEvent.data[2];

  1329. 

  1330.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEON;

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

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

  1333.                         fMidiEvents[midiEventCount].data.note.velocity = velo;

  1334. 

  1335.                         postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1336.                     }

  1337.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1338.                     {

  1339.                         const uint8_t note     = midiEvent.data[1];

  1340.                         const uint8_t pressure = midiEvent.data[2];

  1341. 

  1342.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_KEYPRESS;

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

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

  1345.                         fMidiEvents[midiEventCount].data.note.velocity = pressure;

  1346.                     }

  1347.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1348.                     {

  1349.                         const uint8_t control = midiEvent.data[1];

  1350.                         const uint8_t value   = midiEvent.data[2];

  1351. 

  1352.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

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

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

  1355.                         fMidiEvents[midiEventCount].data.control.value   = value;

  1356.                     }

  1357.                     else if (MIDI_IS_STATUS_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1358.                     {

  1359.                         const uint8_t pressure = midiEvent.data[1];

  1360. 

  1361.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CHANPRESS;

  1362.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1363.                         fMidiEvents[midiEventCount].data.control.value   = pressure;

  1364.                     }

  1365.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1366.                     {

  1367.                         const uint8_t lsb = midiEvent.data[1];

  1368.                         const uint8_t msb = midiEvent.data[2];

  1369. 

  1370.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_PITCHBEND;

  1371.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1372.                         fMidiEvents[midiEventCount].data.control.value   = ((msb << 7) | lsb) - 8192;

  1373.                     }

  1374.                     else

  1375.                         continue;

  1376. 

  1377.                     midiEventCount += 1;

  1378. 

  1379.                     break;

  1380.                 }

  1381.                 }

  1382.             }

  1383. 

  1384.             kData->postRtEvents.trySplice();

  1385. 

  1386.             if (frames > timeOffset)

  1387.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1388. 

  1389.         } // End of Event Input and Processing

  1390. 

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

  1392.         // Plugin processing (no events)

  1393. 

  1394.         else

  1395.         {

  1396.             processSingle(inBuffer, outBuffer, frames, 0, midiEventCount);

  1397. 

  1398.         } // End of Plugin processing (no events)

  1399. 

  1400.         CARLA_PROCESS_CONTINUE_CHECK;

  1401. 

  1402.         // --------------------------------------------------------------------------------------------------------

  1403.         // Control Output

  1404. 

  1405.         if (kData->event.portOut != nullptr)

  1406.         {

  1407.             uint8_t  channel;

  1408.             uint16_t param;

  1409.             float    value;

  1410. 

  1411.             for (k=0; k < kData->param.count; ++k)

  1412.             {

  1413.                 if (kData->param.data[k].type != PARAMETER_OUTPUT)

  1414.                     continue;

  1415. 

  1416.                 kData->param.ranges[k].fixValue(fParamBuffers[k]);

  1417. 

  1418.                 if (kData->param.data[k].midiCC > 0)

  1419.                 {

  1420.                     channel = kData->param.data[k].midiChannel;

  1421.                     param   = static_cast<uint16_t>(kData->param.data[k].midiCC);

  1422.                     value   = kData->param.ranges[k].normalizeValue(fParamBuffers[k]);

  1423.                     kData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1424.                 }

  1425.             }

  1426. 

  1427.         } // End of Control Output

  1428.     }

  1429. 

  1430.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const unsigned long midiEventCount)

  1431.     {

  1432.         CARLA_ASSERT(frames > 0);

  1433. 

  1434.         if (frames == 0)

  1435.             return false;

  1436. 

  1437.         if (kData->audioIn.count > 0)

  1438.         {

  1439.             CARLA_ASSERT(inBuffer != nullptr);

  1440.             if (inBuffer == nullptr)

  1441.                 return false;

  1442.         }

  1443.         if (kData->audioOut.count > 0)

  1444.         {

  1445.             CARLA_ASSERT(outBuffer != nullptr);

  1446.             if (outBuffer == nullptr)

  1447.                 return false;

  1448.         }

  1449. 

  1450.         uint32_t i, k;

  1451. 

  1452.         // --------------------------------------------------------------------------------------------------------

  1453.         // Try lock, silence otherwise

  1454. 

  1455.         if (kData->engine->isOffline())

  1456.         {

  1457.             kData->singleMutex.lock();

  1458.         }

  1459.         else if (! kData->singleMutex.tryLock())

  1460.         {

  1461.             for (i=0; i < kData->audioOut.count; ++i)

  1462.             {

  1463.                 for (k=0; k < frames; ++k)

  1464.                     outBuffer[i][k+timeOffset] = 0.0f;

  1465.             }

  1466. 

  1467.             return false;

  1468.         }

  1469. 

  1470.         // --------------------------------------------------------------------------------------------------------

  1471.         // Reset audio buffers

  1472. 

  1473.         for (i=0; i < kData->audioIn.count; ++i)

  1474.             carla_copyFloat(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

  1475.         for (i=0; i < kData->audioOut.count; ++i)

  1476.             carla_zeroFloat(fAudioOutBuffers[i], frames);

  1477. 

  1478.         // --------------------------------------------------------------------------------------------------------

  1479.         // Run plugin

  1480. 

  1481.         if (fDssiDescriptor->run_synth != nullptr)

  1482.         {

  1483.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1484. 

  1485.             if (fHandle2 != nullptr)

  1486.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1487.         }

  1488.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1489.         {

  1490.             unsigned long instances = (fHandle2 != nullptr) ? 2 : 1;

  1491.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1492.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1493.             unsigned long midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1494.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1495.         }

  1496.         else

  1497.         {

  1498.             fDescriptor->run(fHandle, frames);

  1499. 

  1500.             if (fHandle2 != nullptr)

  1501.                 fDescriptor->run(fHandle2, frames);

  1502.         }

  1503. 

  1504. #ifndef BUILD_BRIDGE

  1505.         // --------------------------------------------------------------------------------------------------------

  1506.         // Post-processing (dry/wet, volume and balance)

  1507. 

  1508.         {

  1509.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) != 0 && kData->postProc.dryWet != 1.0f;

  1510.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) != 0 && (kData->postProc.balanceLeft != -1.0f || kData->postProc.balanceRight != 1.0f);

  1511. 

  1512.             bool isPair;

  1513.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1514. 

  1515.             for (i=0; i < kData->audioOut.count; ++i)

  1516.             {

  1517.                 // Dry/Wet

  1518.                 if (doDryWet)

  1519.                 {

  1520.                     for (k=0; k < frames; ++k)

  1521.                     {

  1522.                         // TODO

  1523.                         //if (k < kData->latency && kData->latency < frames)

  1524.                         //    bufValue = (kData->audioIn.count == 1) ? kData->latencyBuffers[0][k] : kData->latencyBuffers[i][k];

  1525.                         //else

  1526.                         //    bufValue = (kData->audioIn.count == 1) ? inBuffer[0][k-m_latency] : inBuffer[i][k-m_latency];

  1527. 

  1528.                         bufValue = fAudioInBuffers[(kData->audioIn.count == 1) ? 0 : i][k];

  1529.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * kData->postProc.dryWet) + (bufValue * (1.0f - kData->postProc.dryWet));

  1530.                     }

  1531.                 }

  1532. 

  1533.                 // Balance

  1534.                 if (doBalance)

  1535.                 {

  1536.                     isPair = (i % 2 == 0);

  1537. 

  1538.                     if (isPair)

  1539.                     {

  1540.                         CARLA_ASSERT(i+1 < kData->audioOut.count);

  1541.                         carla_copyFloat(oldBufLeft, fAudioOutBuffers[i], frames);

  1542.                     }

  1543. 

  1544.                     float balRangeL = (kData->postProc.balanceLeft  + 1.0f)/2.0f;

  1545.                     float balRangeR = (kData->postProc.balanceRight + 1.0f)/2.0f;

  1546. 

  1547.                     for (k=0; k < frames; ++k)

  1548.                     {

  1549.                         if (isPair)

  1550.                         {

  1551.                             // left

  1552.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1553.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1554.                         }

  1555.                         else

  1556.                         {

  1557.                             // right

  1558.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1559.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1560.                         }

  1561.                     }

  1562.                 }

  1563. 

  1564.                 // Volume (and buffer copy)

  1565.                 {

  1566.                     for (k=0; k < frames; ++k)

  1567.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * kData->postProc.volume;

  1568.                 }

  1569.             }

  1570. 

  1571. #if 0

  1572.             // Latency, save values for next callback, TODO

  1573.             if (kData->latency > 0 && kData->latency < frames)

  1574.             {

  1575.                 for (i=0; i < kData->audioIn.count; ++i)

  1576.                     carla_copyFloat(kData->latencyBuffers[i], inBuffer[i] + (frames - kData->latency), kData->latency);

  1577.             }

  1578. #endif

  1579.         } // End of Post-processing

  1580. #else

  1581.         for (i=0; i < kData->audioOut.count; ++i)

  1582.         {

  1583.             for (k=0; k < frames; ++k)

  1584.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1585.         }

  1586. #endif

  1587. 

  1588.         // --------------------------------------------------------------------------------------------------------

  1589. 

  1590.         kData->singleMutex.unlock();

  1591.         return true;

  1592.     }

  1593. 

  1594.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1595.     {

  1596.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1597.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - start", newBufferSize);

  1598. 

  1599.         for (uint32_t i=0; i < kData->audioIn.count; ++i)

  1600.         {

  1601.             if (fAudioInBuffers[i] != nullptr)

  1602.                 delete[] fAudioInBuffers[i];

  1603.             fAudioInBuffers[i] = new float[newBufferSize];

  1604.         }

  1605. 

  1606.         for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1607.         {

  1608.             if (fAudioOutBuffers[i] != nullptr)

  1609.                 delete[] fAudioOutBuffers[i];

  1610.             fAudioOutBuffers[i] = new float[newBufferSize];

  1611.         }

  1612. 

  1613.         if (fHandle2 == nullptr)

  1614.         {

  1615.             for (uint32_t i=0; i < kData->audioIn.count; ++i)

  1616.             {

  1617.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1618.                 fDescriptor->connect_port(fHandle, kData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1619.             }

  1620. 

  1621.             for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1622.             {

  1623.                 CARLA_ASSERT(fAudioOutBuffers[i] != nullptr);

  1624.                 fDescriptor->connect_port(fHandle, kData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1625.             }

  1626.         }

  1627.         else

  1628.         {

  1629.             if (kData->audioIn.count > 0)

  1630.             {

  1631.                 CARLA_ASSERT(kData->audioIn.count == 2);

  1632.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1633.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1634. 

  1635.                 fDescriptor->connect_port(fHandle,  kData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1636.                 fDescriptor->connect_port(fHandle2, kData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1637.             }

  1638. 

  1639.             if (kData->audioOut.count > 0)

  1640.             {

  1641.                 CARLA_ASSERT(kData->audioOut.count == 2);

  1642.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1643.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1644. 

  1645.                 fDescriptor->connect_port(fHandle,  kData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1646.                 fDescriptor->connect_port(fHandle2, kData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1647.             }

  1648.         }

  1649. 

  1650.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - end", newBufferSize);

  1651.     }

  1652. 

  1653.     void sampleRateChanged(const double newSampleRate) override

  1654.     {

  1655.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1656.         carla_debug("DssiPlugin::sampleRateChanged(%g) - start", newSampleRate);

  1657. 

  1658.         // TODO

  1659.         (void)newSampleRate;

  1660. 

  1661.         carla_debug("DssiPlugin::sampleRateChanged(%g) - end", newSampleRate);

  1662.     }

  1663. 

  1664.     // -------------------------------------------------------------------

  1665.     // Plugin buffers

  1666. 

  1667.     void clearBuffers() override

  1668.     {

  1669.         carla_debug("DssiPlugin::clearBuffers() - start");

  1670. 

  1671.         if (fAudioInBuffers != nullptr)

  1672.         {

  1673.             for (uint32_t i=0; i < kData->audioIn.count; ++i)

  1674.             {

  1675.                 if (fAudioInBuffers[i] != nullptr)

  1676.                 {

  1677.                     delete[] fAudioInBuffers[i];

  1678.                     fAudioInBuffers[i] = nullptr;

  1679.                 }

  1680.             }

  1681. 

  1682.             delete[] fAudioInBuffers;

  1683.             fAudioInBuffers = nullptr;

  1684.         }

  1685. 

  1686.         if (fAudioOutBuffers != nullptr)

  1687.         {

  1688.             for (uint32_t i=0; i < kData->audioOut.count; ++i)

  1689.             {

  1690.                 if (fAudioOutBuffers[i] != nullptr)

  1691.                 {

  1692.                     delete[] fAudioOutBuffers[i];

  1693.                     fAudioOutBuffers[i] = nullptr;

  1694.                 }

  1695.             }

  1696. 

  1697.             delete[] fAudioOutBuffers;

  1698.             fAudioOutBuffers = nullptr;

  1699.         }

  1700. 

  1701.         if (fParamBuffers != nullptr)

  1702.         {

  1703.             delete[] fParamBuffers;

  1704.             fParamBuffers = nullptr;

  1705.         }

  1706. 

  1707.         CarlaPlugin::clearBuffers();

  1708. 

  1709.         carla_debug("DssiPlugin::clearBuffers() - end");

  1710.     }

  1711. 

  1712.     // -------------------------------------------------------------------

  1713.     // Post-poned UI Stuff

  1714. 

  1715.     void uiParameterChange(const uint32_t index, const float value) override

  1716.     {

  1717.         CARLA_ASSERT(index < kData->param.count);

  1718. 

  1719.         if (index >= kData->param.count)

  1720.             return;

  1721.         if (kData->osc.data.target == nullptr)

  1722.             return;

  1723. 

  1724.         osc_send_control(&kData->osc.data, kData->param.data[index].rindex, value);

  1725.     }

  1726. 

  1727.     void uiMidiProgramChange(const uint32_t index) override

  1728.     {

  1729.         CARLA_ASSERT(index < kData->midiprog.count);

  1730. 

  1731.         if (index >= kData->midiprog.count)

  1732.             return;

  1733.         if (kData->osc.data.target == nullptr)

  1734.             return;

  1735. 

  1736.         osc_send_program(&kData->osc.data, kData->midiprog.data[index].bank, kData->midiprog.data[index].program);

  1737.     }

  1738. 

  1739.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) override

  1740.     {

  1741.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1742.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1743.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1744. 

  1745.         if (channel >= MAX_MIDI_CHANNELS)

  1746.             return;

  1747.         if (note >= MAX_MIDI_NOTE)

  1748.             return;

  1749.         if (velo >= MAX_MIDI_VALUE)

  1750.             return;

  1751.         if (kData->osc.data.target == nullptr)

  1752.             return;

  1753. 

  1754. #if 0

  1755.         uint8_t midiData[4] = { 0 };

  1756.         midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  1757.         midiData[2] = note;

  1758.         midiData[3] = velo;

  1759. 

  1760.         osc_send_midi(&kData->osc.data, midiData);

  1761. #endif

  1762.     }

  1763. 

  1764.     void uiNoteOff(const uint8_t channel, const uint8_t note) override

  1765.     {

  1766.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1767.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1768. 

  1769.         if (channel >= MAX_MIDI_CHANNELS)

  1770.             return;

  1771.         if (note >= MAX_MIDI_NOTE)

  1772.             return;

  1773.         if (kData->osc.data.target == nullptr)

  1774.             return;

  1775. 

  1776. #if 0

  1777.         uint8_t midiData[4] = { 0 };

  1778.         midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  1779.         midiData[2] = note;

  1780. 

  1781.         osc_send_midi(&kData->osc.data, midiData);

  1782. #endif

  1783.     }

  1784. 

  1785.     // -------------------------------------------------------------------

  1786. 

  1787.     const void* getExtraStuff() const override

  1788.     {

  1789.         return fGuiFilename.isNotEmpty() ? (const char*)fGuiFilename : nullptr;

  1790.     }

  1791. 

  1792.     bool init(const char* const filename, const char* const name, const char* const label, const char* const guiFilename)

  1793.     {

  1794.         CARLA_ASSERT(kData->engine != nullptr);

  1795.         CARLA_ASSERT(kData->client == nullptr);

  1796.         CARLA_ASSERT(filename != nullptr);

  1797.         CARLA_ASSERT(label != nullptr);

  1798. 

  1799.         // ---------------------------------------------------------------

  1800.         // first checks

  1801. 

  1802.         if (kData->engine == nullptr)

  1803.         {

  1804.             return false;

  1805.         }

  1806. 

  1807.         if (kData->client != nullptr)

  1808.         {

  1809.             kData->engine->setLastError("Plugin client is already registered");

  1810.             return false;

  1811.         }

  1812. 

  1813.         if (filename == nullptr)

  1814.         {

  1815.             kData->engine->setLastError("null filename");

  1816.             return false;

  1817.         }

  1818. 

  1819.         if (label == nullptr)

  1820.         {

  1821.             kData->engine->setLastError("null label");

  1822.             return false;

  1823.         }

  1824. 

  1825.         // ---------------------------------------------------------------

  1826.         // open DLL

  1827. 

  1828.         if (! kData->libOpen(filename))

  1829.         {

  1830.             kData->engine->setLastError(kData->libError(filename));

  1831.             return false;

  1832.         }

  1833. 

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

  1835.         // get DLL main entry

  1836. 

  1837.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)kData->libSymbol("dssi_descriptor");

  1838. 

  1839.         if (descFn == nullptr)

  1840.         {

  1841.             kData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1842.             return false;

  1843.         }

  1844. 

  1845.         // ---------------------------------------------------------------

  1846.         // get descriptor that matches label

  1847. 

  1848.         unsigned long i = 0;

  1849.         while ((fDssiDescriptor = descFn(i++)) != nullptr)

  1850.         {

  1851.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  1852.             if (fDescriptor != nullptr && fDescriptor->Label != nullptr && std::strcmp(fDescriptor->Label, label) == 0)

  1853.                 break;

  1854.         }

  1855. 

  1856.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  1857.         {

  1858.             kData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  1859.             return false;

  1860.         }

  1861. 

  1862.         // ---------------------------------------------------------------

  1863.         // check if uses global instance

  1864. 

  1865.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  1866.         {

  1867.             if (! addUniqueMultiSynth(fDescriptor->Label))

  1868.             {

  1869.                 kData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  1870.                 return false;

  1871.             }

  1872.         }

  1873. 

  1874.         // ---------------------------------------------------------------

  1875.         // get info

  1876. 

  1877.         if (name != nullptr)

  1878.             fName = kData->engine->getUniquePluginName(name);

  1879.         else if (fDescriptor->Name != nullptr)

  1880.             fName = kData->engine->getUniquePluginName(fDescriptor->Name);

  1881.         else

  1882.             fName = kData->engine->getUniquePluginName(fDescriptor->Label);

  1883. 

  1884.         fFilename = filename;

  1885. 

  1886.         // ---------------------------------------------------------------

  1887.         // register client

  1888. 

  1889.         kData->client = kData->engine->addClient(this);

  1890. 

  1891.         if (kData->client == nullptr || ! kData->client->isOk())

  1892.         {

  1893.             kData->engine->setLastError("Failed to register plugin client");

  1894.             return false;

  1895.         }

  1896. 

  1897.         // ---------------------------------------------------------------

  1898.         // initialize plugin

  1899. 

  1900.         fHandle = fDescriptor->instantiate(fDescriptor, (unsigned long)kData->engine->getSampleRate());

  1901. 

  1902.         if (fHandle == nullptr)

  1903.         {

  1904.             kData->engine->setLastError("Plugin failed to initialize");

  1905.             return false;

  1906.         }

  1907. 

  1908.         // ---------------------------------------------------------------

  1909.         // gui stuff

  1910. 

  1911.         if (guiFilename != nullptr)

  1912.         {

  1913.             fGuiFilename = guiFilename;

  1914.             kData->osc.thread.setOscData(guiFilename, fDescriptor->Label);

  1915.         }

  1916. 

  1917.         // ---------------------------------------------------------------

  1918.         // load plugin settings

  1919. 

  1920.         {

  1921. #ifdef __USE_GNU

  1922.             const bool isDssiVst = fFilename.contains("dssi-vst", true);

  1923. #else

  1924.             const bool isDssiVst = fFilename.contains("dssi-vst");

  1925. #endif

  1926. 

  1927.             // set default options

  1928.             fOptions = 0x0;

  1929. 

  1930.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1931. 

  1932.             if (kData->engine->getOptions().forceStereo)

  1933.                 fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  1934. 

  1935.             if (isDssiVst)

  1936.             {

  1937.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFER;

  1938. 

  1939.                 if (kData->engine->getOptions().useDssiVstChunks && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  1940.                     fOptions |= PLUGIN_OPTION_USE_CHUNKS;

  1941.             }

  1942. 

  1943.             if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  1944.             {

  1945.                 fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1946.                 fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1947.                 fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1948.                 fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1949. 

  1950.                 if (fDssiDescriptor->run_synth == nullptr)

  1951.                     carla_stderr2("Plugin can ONLY use run_multiple_synths!");

  1952.             }

  1953. 

  1954.             // load settings

  1955.             kData->idStr  = "DSSI/";

  1956.             kData->idStr += std::strrchr(filename, OS_SEP)+1;

  1957.             kData->idStr += "/";

  1958.             kData->idStr += label;

  1959.             fOptions = kData->loadSettings(fOptions, availableOptions());

  1960. 

  1961.             // ignore settings, we need this anyway

  1962.             if (isDssiVst)

  1963.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFER;

  1964.         }

  1965. 

  1966.         return true;

  1967.     }

  1968. 

  1969. private:

  1970.     LADSPA_Handle fHandle;

  1971.     LADSPA_Handle fHandle2;

  1972.     const LADSPA_Descriptor* fDescriptor;

  1973.     const DSSI_Descriptor*   fDssiDescriptor;

  1974. 

  1975.     CarlaString fGuiFilename;

  1976. 

  1977.     float** fAudioInBuffers;

  1978.     float** fAudioOutBuffers;

  1979.     float*  fParamBuffers;

  1980.     snd_seq_event_t fMidiEvents[MAX_MIDI_EVENTS];

  1981. 

  1982.     static NonRtList<const char*> sMultiSynthList;

  1983. 

  1984.     static bool addUniqueMultiSynth(const char* const label)

  1985.     {

  1986.         for (NonRtList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  1987.         {

  1988.             const char*& itLabel(*it);

  1989. 

  1990.             if (std::strcmp(label, itLabel) == 0)

  1991.                 return false;

  1992.         }

  1993. 

  1994.         sMultiSynthList.append(carla_strdup(label));

  1995.         return true;

  1996.     }

  1997. 

  1998.     static void removeUniqueMultiSynth(const char* const label)

  1999.     {

  2000.         for (NonRtList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  2001.         {

  2002.             const char*& itLabel(*it);

  2003. 

  2004.             if (std::strcmp(label, itLabel) == 0)

  2005.             {

  2006.                 sMultiSynthList.remove(it);

  2007.                 delete[] itLabel;

  2008.                 return;

  2009.             }

  2010.         }

  2011.     }

  2012. 

  2013.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DssiPlugin)

  2014. };

  2015. 

  2016. NonRtList<const char*> DssiPlugin::sMultiSynthList;

  2017. 

  2018. CARLA_BACKEND_END_NAMESPACE

  2019. 

  2020. #else // WANT_DSSI

  2021. # warning Building without DSSI support

  2022. #endif

  2023. 

  2024. CARLA_BACKEND_START_NAMESPACE

  2025. 

  2026. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init, const char* const guiFilename)

  2027. {

  2028.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\"}, \"%s\")", init.engine, init.filename, init.name, init.label, guiFilename);

  2029. 

  2030. #ifdef WANT_DSSI

  2031.     DssiPlugin* const plugin(new DssiPlugin(init.engine, init.id));

  2032. 

  2033.     if (! plugin->init(init.filename, init.name, init.label, guiFilename))

  2034.     {

  2035.         delete plugin;

  2036.         return nullptr;

  2037.     }

  2038. 

  2039.     plugin->reload();

  2040. 

  2041.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && ! CarlaPluginProtectedData::canRunInRack(plugin))

  2042.     {

  2043.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2044.         delete plugin;

  2045.         return nullptr;

  2046.     }

  2047. 

  2048.     return plugin;

  2049. #else

  2050.     init.engine->setLastError("DSSI support not available");

  2051.     return nullptr;

  2052. #endif

  2053. }

  2054. 

  2055. CARLA_BACKEND_END_NAMESPACE