falkTX
/
Carla
mirror of https://github.com/falkTX/Carla
1
0
Fork 0
Code Releases 42 Activity
Audio plugin host https://kx.studio/carla
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
858 Commits
16 Branches
191MB
Tree: a622f9e718
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'a622f9e718'
${ noResults }
Carla/source/backend/plugin/DssiPlugin.cpp

2050 lines
71KB
Raw Blame History 

  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.         if (fHints & PLUGIN_IS_SYNTH)

  110.             return PLUGIN_CATEGORY_SYNTH;

  111. 

  112.         return getPluginCategoryFromName(fName);

  113.     }

  114. 

  115.     long getUniqueId() const override

  116.     {

  117.         CARLA_ASSERT(fDescriptor != nullptr);

  118. 

  119.         return fDescriptor->UniqueID;

  120.     }

  121. 

  122.     // -------------------------------------------------------------------

  123.     // Information (count)

  124. 

  125.     // nothing

  126. 

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

  128.     // Information (current data)

  129. 

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

  131.     {

  132.         CARLA_ASSERT(fOptions & PLUGIN_OPTION_USE_CHUNKS);

  133.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  135.         CARLA_ASSERT(fHandle != nullptr);

  136.         CARLA_ASSERT(fHandle2 == nullptr);

  137.         CARLA_ASSERT(dataPtr != nullptr);

  138. 

  139.         unsigned long dataSize = 0;

  140. 

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

  142.             return static_cast<int32_t>(dataSize);

  143. 

  144.         return 0;

  145.     }

  146. 

  147.     // -------------------------------------------------------------------

  148.     // Information (per-plugin data)

  149. 

  150.     unsigned int getAvailableOptions() const override

  151.     {

  152.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  153. 

  154.         if (fDssiDescriptor == nullptr)

  155.             return 0x0;

  156. 

  157. #ifdef __USE_GNU

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

  159. #else

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

  161. #endif

  162. 

  163.         unsigned int options = 0x0;

  164. 

  165.         options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  166. 

  167.         if (isDssiVst)

  168.         {

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

  170.                 options |= PLUGIN_OPTION_USE_CHUNKS;

  171.         }

  172.         else

  173.         {

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

  175.             {

  176.                 if (fOptions & PLUGIN_OPTION_FORCE_STEREO)

  177.                     options |= PLUGIN_OPTION_FORCE_STEREO;

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

  179.                     options |= PLUGIN_OPTION_FORCE_STEREO;

  180.             }

  181. 

  182.             options |= PLUGIN_OPTION_FIXED_BUFFER;

  183.         }

  184. 

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

  186.         {

  187.             options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES;

  188.             options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  189.             options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  190.             options |= PLUGIN_OPTION_SEND_PITCHBEND;

  191.             options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  192.         }

  193. 

  194.         return options;

  195.     }

  196. 

  197.     float getParameterValue(const uint32_t parameterId) const override

  198.     {

  199.         CARLA_ASSERT(fParamBuffers != nullptr);

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

  201. 

  202.         return fParamBuffers[parameterId];

  203.     }

  204. 

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

  206.     {

  207.         CARLA_ASSERT(fDescriptor != nullptr);

  208. 

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

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

  211.         else

  212.             CarlaPlugin::getLabel(strBuf);

  213.     }

  214. 

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

  216.     {

  217.         CARLA_ASSERT(fDescriptor != nullptr);

  218. 

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

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

  221.         else

  222.             CarlaPlugin::getMaker(strBuf);

  223.     }

  224. 

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

  226.     {

  227.         CARLA_ASSERT(fDescriptor != nullptr);

  228. 

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

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

  231.         else

  232.             CarlaPlugin::getCopyright(strBuf);

  233.     }

  234. 

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

  236.     {

  237.         CARLA_ASSERT(fDescriptor != nullptr);

  238. 

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

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

  241.         else

  242.             CarlaPlugin::getRealName(strBuf);

  243.     }

  244. 

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

  246.     {

  247.         CARLA_ASSERT(fDescriptor != nullptr);

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

  249. 

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

  251. 

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

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

  254.         else

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

  256.     }

  257. 

  258.     // -------------------------------------------------------------------

  259.     // Set data (state)

  260. 

  261.     // nothing

  262. 

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

  264.     // Set data (internal stuff)

  265. 

  266.     // nothing

  267. 

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

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

  270. 

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

  272.     {

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

  274. 

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

  276.         fParamBuffers[parameterId] = fixedValue;

  277. 

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

  279.     }

  280. 

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

  282.     {

  283.         CARLA_ASSERT(fDescriptor != nullptr);

  284.         CARLA_ASSERT(fHandle != nullptr);

  285.         CARLA_ASSERT(type != nullptr);

  286.         CARLA_ASSERT(key != nullptr);

  287.         CARLA_ASSERT(value != nullptr);

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

  289. 

  290.         if (type == nullptr)

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

  292. 

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

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

  295. 

  296.         if (key == nullptr)

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

  298. 

  299.         if (value == nullptr)

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

  301. 

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

  303.         {

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

  305. 

  306.             if (fHandle2)

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

  308.         }

  309. 

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

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

  312. 

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

  314.         {

  315.             const ScopedDisabler sd(this);

  316.             reloadPrograms(false);

  317.         }

  318. 

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

  320.     }

  321. 

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

  323.     {

  324.         CARLA_ASSERT(fOptions & PLUGIN_OPTION_USE_CHUNKS);

  325.         CARLA_ASSERT(fDssiDescriptor != nullptr);

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

  327.         CARLA_ASSERT(fHandle != nullptr);

  328.         CARLA_ASSERT(fHandle2 == nullptr);

  329.         CARLA_ASSERT(stringData != nullptr);

  330. 

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

  332.             return;

  333. 

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

  335. 

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

  337. 

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

  339.         {

  340.             const ScopedSingleProcessLocker spl(this, true);

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

  342.         }

  343.     }

  344. 

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

  346.     {

  347.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  348.         CARLA_ASSERT(fHandle != nullptr);

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

  350. 

  351.         if (index < -1)

  352.             index = -1;

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

  354.             return;

  355. 

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

  357.         {

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

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

  360. 

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

  362. 

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

  364. 

  365.             if (fHandle2 != nullptr)

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

  367.         }

  368. 

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

  370.     }

  371. 

  372.     // -------------------------------------------------------------------

  373.     // Set gui stuff

  374. 

  375.     void showGui(const bool yesNo) override

  376.     {

  377.         if (yesNo)

  378.         {

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

  380.         }

  381.         else

  382.         {

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

  384.             {

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

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

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

  388.             }

  389. 

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

  391.         }

  392.     }

  393. 

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

  395.     // Plugin state

  396. 

  397.     void reload() override

  398.     {

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

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

  401.         CARLA_ASSERT(fDescriptor != nullptr);

  402.         CARLA_ASSERT(fDssiDescriptor != nullptr);

  403.         CARLA_ASSERT(fHandle != nullptr);

  404. 

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

  406.             return;

  407.         if (fDescriptor == nullptr)

  408.             return;

  409.         if (fDssiDescriptor == nullptr)

  410.             return;

  411.         if (fHandle == nullptr)

  412.             return;

  413. 

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

  415. 

  416.         // Safely disable plugin for reload

  417.         const ScopedDisabler sd(this);

  418. 

  419.         if (pData->active)

  420.             deactivate();

  421. 

  422.         clearBuffers();

  423. 

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

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

  426. 

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

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

  429. 

  430.         bool forcedStereoIn, forcedStereoOut;

  431.         forcedStereoIn = forcedStereoOut = false;

  432. 

  433.         bool needsCtrlIn, needsCtrlOut;

  434.         needsCtrlIn = needsCtrlOut = false;

  435. 

  436.         if (portCount > 0)

  437.         {

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

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

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

  441. 

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

  443.             {

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

  445. 

  446.                 if (LADSPA_IS_PORT_AUDIO(portType))

  447.                 {

  448.                     if (LADSPA_IS_PORT_INPUT(portType))

  449.                         aIns += 1;

  450.                     else if (LADSPA_IS_PORT_OUTPUT(portType))

  451.                         aOuts += 1;

  452.                 }

  453.                 else if (LADSPA_IS_PORT_CONTROL(portType))

  454.                     params += 1;

  455.             }

  456.         }

  457. 

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

  459.         {

  460.             if (fHandle2 == nullptr)

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

  462. 

  463.             if (fHandle2 != nullptr)

  464.             {

  465.                 if (aIns == 1)

  466.                 {

  467.                     aIns = 2;

  468.                     forcedStereoIn = true;

  469.                 }

  470. 

  471.                 if (aOuts == 1)

  472.                 {

  473.                     aOuts = 2;

  474.                     forcedStereoOut = true;

  475.                 }

  476.             }

  477.         }

  478. 

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

  480.         {

  481.             mIns = 1;

  482.             needsCtrlIn = true;

  483.         }

  484. 

  485.         if (aIns > 0)

  486.         {

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

  488.             fAudioInBuffers = new float*[aIns];

  489. 

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

  491.                 fAudioInBuffers[i] = nullptr;

  492.         }

  493. 

  494.         if (aOuts > 0)

  495.         {

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

  497.             fAudioOutBuffers = new float*[aOuts];

  498.             needsCtrlIn = true;

  499. 

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

  501.                 fAudioOutBuffers[i] = nullptr;

  502.         }

  503. 

  504.         if (params > 0)

  505.         {

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

  507. 

  508.             fParamBuffers = new float[params];

  509.             carla_zeroFloat(fParamBuffers, params);

  510.         }

  511. 

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

  513.         CarlaString portName;

  514. 

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

  516.         {

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

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

  519. 

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

  521. 

  522.             if (LADSPA_IS_PORT_AUDIO(portType))

  523.             {

  524.                 portName.clear();

  525. 

  526.                 if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  527.                 {

  528.                     portName  = fName;

  529.                     portName += ":";

  530.                 }

  531. 

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

  533.                 portName.truncate(portNameSize);

  534. 

  535.                 if (LADSPA_IS_PORT_INPUT(portType))

  536.                 {

  537.                     j = iAudioIn++;

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

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

  540. 

  541.                     if (forcedStereoIn)

  542.                     {

  543.                         portName += "_2";

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

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

  546.                     }

  547.                 }

  548.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  549.                 {

  550.                     j = iAudioOut++;

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

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

  553. 

  554.                     if (forcedStereoOut)

  555.                     {

  556.                         portName += "_2";

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

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

  559.                     }

  560.                 }

  561.                 else

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

  563.             }

  564.             else if (LADSPA_IS_PORT_CONTROL(portType))

  565.             {

  566.                 j = iCtrl++;

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

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

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

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

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

  572. 

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

  574. 

  575.                 // min value

  576.                 if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor))

  577.                     min = portRangeHints.LowerBound;

  578.                 else

  579.                     min = 0.0f;

  580. 

  581.                 // max value

  582.                 if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor))

  583.                     max = portRangeHints.UpperBound;

  584.                 else

  585.                     max = 1.0f;

  586. 

  587.                 if (min > max)

  588.                     max = min;

  589.                 else if (max < min)

  590.                     min = max;

  591. 

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

  593.                 {

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

  595.                     max = min + 0.1f;

  596.                 }

  597. 

  598.                 // default value

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

  600. 

  601.                 if (def < min)

  602.                     def = min;

  603.                 else if (def > max)

  604.                     def = max;

  605. 

  606.                 if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor))

  607.                 {

  608.                     min *= sampleRate;

  609.                     max *= sampleRate;

  610.                     def *= sampleRate;

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

  612.                 }

  613. 

  614.                 if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor))

  615.                 {

  616.                     step = max - min;

  617.                     stepSmall = step;

  618.                     stepLarge = step;

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

  620.                 }

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

  622.                 {

  623.                     step = 1.0f;

  624.                     stepSmall = 1.0f;

  625.                     stepLarge = 10.0f;

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

  627.                 }

  628.                 else

  629.                 {

  630.                     float range = max - min;

  631.                     step = range/100.0f;

  632.                     stepSmall = range/1000.0f;

  633.                     stepLarge = range/10.0f;

  634.                 }

  635. 

  636.                 if (LADSPA_IS_PORT_INPUT(portType))

  637.                 {

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

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

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

  641.                     needsCtrlIn = true;

  642. 

  643.                     // MIDI CC value

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

  645.                     {

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

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

  648.                         {

  649.                             int16_t cc = DSSI_CC_NUMBER(controller);

  650.                             if (! MIDI_IS_CONTROL_BANK_SELECT(cc))

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

  652.                         }

  653.                     }

  654.                 }

  655.                 else if (LADSPA_IS_PORT_OUTPUT(portType))

  656.                 {

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

  658.                     {

  659.                         min = 0.0f;

  660.                         max = sampleRate;

  661.                         def = 0.0f;

  662.                         step = 1.0f;

  663.                         stepSmall = 1.0f;

  664.                         stepLarge = 1.0f;

  665. 

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

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

  668.                     }

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

  670.                     {

  671.                         def = sampleRate;

  672.                         step = 1.0f;

  673.                         stepSmall = 1.0f;

  674.                         stepLarge = 1.0f;

  675. 

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

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

  678.                     }

  679.                     else

  680.                     {

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

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

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

  684.                         needsCtrlOut = true;

  685.                     }

  686.                 }

  687.                 else

  688.                 {

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

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

  691.                 }

  692. 

  693.                 // extra parameter hints

  694.                 if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor))

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

  696. 

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

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

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

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

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

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

  703. 

  704.                 // Start parameters in their default values

  705.                 fParamBuffers[j] = def;

  706. 

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

  708. 

  709.                 if (fHandle2 != nullptr)

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

  711.             }

  712.             else

  713.             {

  714.                 // Not Audio or Control

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

  716. 

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

  718. 

  719.                 if (fHandle2 != nullptr)

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

  721.             }

  722.         }

  723. 

  724.         if (needsCtrlIn)

  725.         {

  726.             portName.clear();

  727. 

  728.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  729.             {

  730.                 portName  = fName;

  731.                 portName += ":";

  732.             }

  733. 

  734.             portName += "events-in";

  735.             portName.truncate(portNameSize);

  736. 

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

  738.         }

  739. 

  740.         if (needsCtrlOut)

  741.         {

  742.             portName.clear();

  743. 

  744.             if (processMode == PROCESS_MODE_SINGLE_CLIENT)

  745.             {

  746.                 portName  = fName;

  747.                 portName += ":";

  748.             }

  749. 

  750.             portName += "events-out";

  751.             portName.truncate(portNameSize);

  752. 

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

  754.         }

  755. 

  756.         if (forcedStereoIn || forcedStereoOut)

  757.             fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  758.         else

  759.             fOptions &= ~PLUGIN_OPTION_FORCE_STEREO;

  760. 

  761.         // plugin hints

  762.         fHints = 0x0;

  763. 

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

  765.             fHints |= PLUGIN_IS_RTSAFE;

  766. 

  767.         if (fGuiFilename.isNotEmpty())

  768.             fHints |= PLUGIN_HAS_GUI;

  769. 

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

  771.             fHints |= PLUGIN_IS_SYNTH;

  772. 

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

  774.             fHints |= PLUGIN_CAN_DRYWET;

  775. 

  776.         if (aOuts > 0)

  777.             fHints |= PLUGIN_CAN_VOLUME;

  778. 

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

  780.             fHints |= PLUGIN_CAN_BALANCE;

  781. 

  782.         // extra plugin hints

  783.         pData->extraHints = 0x0;

  784. 

  785.         if (mIns > 0)

  786.             pData->extraHints |= PLUGIN_HINT_HAS_MIDI_IN;

  787. 

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

  789.             pData->extraHints |= PLUGIN_HINT_CAN_RUN_RACK;

  790. 

  791.         // check latency

  792.         if (fHints & PLUGIN_CAN_DRYWET)

  793.         {

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

  795.             {

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

  797.                     continue;

  798. 

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

  800. 

  801.                 float tmpIn[aIns][2];

  802.                 float tmpOut[aOuts][2];

  803. 

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

  805.                 {

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

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

  808. 

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

  810.                 }

  811. 

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

  813.                 {

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

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

  816. 

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

  818.                 }

  819. 

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

  821.                     fDescriptor->activate(fHandle);

  822. 

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

  824. 

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

  826.                     fDescriptor->deactivate(fHandle);

  827. 

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

  829. 

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

  831.                 {

  832.                     pData->latency = latency;

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

  834.                     pData->recreateLatencyBuffers();

  835.                 }

  836. 

  837.                 break;

  838.             }

  839.         }

  840. 

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

  842.         reloadPrograms(true);

  843. 

  844.         if (pData->active)

  845.             activate();

  846. 

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

  848.     }

  849. 

  850.     void reloadPrograms(const bool init) override

  851.     {

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

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

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

  855. 

  856.         // Delete old programs

  857.         pData->midiprog.clear();

  858. 

  859.         // Query new programs

  860.         uint32_t count = 0;

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

  862.         {

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

  864.                 count++;

  865.         }

  866. 

  867.         if (count > 0)

  868.         {

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

  870. 

  871.             // Update data

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

  873.             {

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

  875.                 CARLA_ASSERT(pdesc != nullptr);

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

  877. 

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

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

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

  881.             }

  882.         }

  883. 

  884. #ifndef BUILD_BRIDGE

  885.         // Update OSC Names

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

  887.         {

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

  889. 

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

  891.                 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);

  892.         }

  893. #endif

  894. 

  895.         if (init)

  896.         {

  897.             if (count > 0)

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

  899.         }

  900.         else

  901.         {

  902.             // Check if current program is invalid

  903.             bool programChanged = false;

  904. 

  905.             if (count == oldCount+1)

  906.             {

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

  908.                 pData->midiprog.current = oldCount;

  909.                 programChanged = true;

  910.             }

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

  912.             {

  913.                 // programs exist now, but not before

  914.                 pData->midiprog.current = 0;

  915.                 programChanged = true;

  916.             }

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

  918.             {

  919.                 // programs existed before, but not anymore

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

  921.                 programChanged = true;

  922.             }

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

  924.             {

  925.                 // current midi program > count

  926.                 pData->midiprog.current = 0;

  927.                 programChanged = true;

  928.             }

  929.             else

  930.             {

  931.                 // no change

  932.                 pData->midiprog.current = current;

  933.             }

  934. 

  935.             if (programChanged)

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

  937. 

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

  939.         }

  940.     }

  941. 

  942.     // -------------------------------------------------------------------

  943.     // Plugin processing

  944. 

  945.     void activate() override

  946.     {

  947.         CARLA_ASSERT(fDescriptor != nullptr);

  948.         CARLA_ASSERT(fHandle != nullptr);

  949. 

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

  951.         {

  952.             fDescriptor->activate(fHandle);

  953. 

  954.             if (fHandle2 != nullptr)

  955.                 fDescriptor->activate(fHandle2);

  956.         }

  957.     }

  958. 

  959.     void deactivate() override

  960.     {

  961.         CARLA_ASSERT(fDescriptor != nullptr);

  962.         CARLA_ASSERT(fHandle != nullptr);

  963. 

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

  965.         {

  966.             fDescriptor->deactivate(fHandle);

  967. 

  968.             if (fHandle2 != nullptr)

  969.                 fDescriptor->deactivate(fHandle2);

  970.         }

  971.     }

  972. 

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

  974.     {

  975.         uint32_t i, k;

  976. 

  977.         // --------------------------------------------------------------------------------------------------------

  978.         // Check if active

  979. 

  980.         if (! pData->active)

  981.         {

  982.             // disable any output sound

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

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

  985. 

  986.             return;

  987.         }

  988. 

  989.         unsigned long midiEventCount = 0;

  990. 

  991.         // --------------------------------------------------------------------------------------------------------

  992.         // Check if needs reset

  993. 

  994.         if (pData->needsReset)

  995.         {

  996.             if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  997.             {

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

  999.                 {

  1000.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j]);

  1001.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j+l]);

  1002. 

  1003.                     fMidiEvents[j].type = SND_SEQ_EVENT_CONTROLLER;

  1004.                     fMidiEvents[j].data.control.channel = j;

  1005.                     fMidiEvents[j].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1006. 

  1007.                     fMidiEvents[j+l].type = SND_SEQ_EVENT_CONTROLLER;

  1008.                     fMidiEvents[j+l].data.control.channel = j;

  1009.                     fMidiEvents[j+l].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1010.                 }

  1011. 

  1012.                 midiEventCount = MAX_MIDI_CHANNELS*2;

  1013.             }

  1014.             else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS)

  1015.             {

  1016.                 for (unsigned char j=0; j < MAX_MIDI_NOTE; ++j)

  1017.                 {

  1018.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[j]);

  1019. 

  1020.                     fMidiEvents[j].type = SND_SEQ_EVENT_NOTEOFF;

  1021.                     fMidiEvents[j].data.note.channel = pData->ctrlChannel;

  1022.                     fMidiEvents[j].data.note.note    = j;

  1023.                 }

  1024. 

  1025.                 midiEventCount = MAX_MIDI_NOTE;

  1026.             }

  1027. 

  1028.             if (pData->latency > 0)

  1029.             {

  1030.                 for (i=0; i < pData->audioIn.count; ++i)

  1031.                     carla_zeroFloat(pData->latencyBuffers[i], pData->latency);

  1032.             }

  1033. 

  1034.             pData->needsReset = false;

  1035.         }

  1036. 

  1037.         // --------------------------------------------------------------------------------------------------------

  1038.         // Event Input and Processing

  1039. 

  1040.         if (pData->event.portIn != nullptr)

  1041.         {

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

  1043.             // MIDI Input (External)

  1044. 

  1045.             if (pData->extNotes.mutex.tryLock())

  1046.             {

  1047.                 while (midiEventCount < MAX_MIDI_EVENTS && ! pData->extNotes.data.isEmpty())

  1048.                 {

  1049.                     const ExternalMidiNote& note(pData->extNotes.data.getFirst(true));

  1050. 

  1051.                     CARLA_ASSERT(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1052. 

  1053.                     fMidiEvents[midiEventCount].type               = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF;

  1054.                     fMidiEvents[midiEventCount].data.note.channel  = note.channel;

  1055.                     fMidiEvents[midiEventCount].data.note.note     = note.note;

  1056.                     fMidiEvents[midiEventCount].data.note.velocity = note.velo;

  1057. 

  1058.                     midiEventCount += 1;

  1059.                 }

  1060. 

  1061.                 pData->extNotes.mutex.unlock();

  1062. 

  1063.             } // End of MIDI Input (External)

  1064. 

  1065.             // ----------------------------------------------------------------------------------------------------

  1066.             // Event Input (System)

  1067. 

  1068.             bool allNotesOffSent = false;

  1069.             bool sampleAccurate  = (fOptions & PLUGIN_OPTION_FIXED_BUFFER) == 0;

  1070. 

  1071.             uint32_t time, nEvents = pData->event.portIn->getEventCount();

  1072.             uint32_t startTime  = 0;

  1073.             uint32_t timeOffset = 0;

  1074.             uint32_t nextBankId = 0;

  1075. 

  1076.             if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1077.                 nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1078. 

  1079.             for (i=0; i < nEvents; ++i)

  1080.             {

  1081.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1082. 

  1083.                 time = event.time;

  1084. 

  1085.                 if (time >= frames)

  1086.                     continue;

  1087. 

  1088.                 CARLA_ASSERT_INT2(time >= timeOffset, time, timeOffset);

  1089. 

  1090.                 if (time > timeOffset && sampleAccurate)

  1091.                 {

  1092.                     if (processSingle(inBuffer, outBuffer, time - timeOffset, timeOffset, midiEventCount))

  1093.                     {

  1094.                         startTime  = 0;

  1095.                         timeOffset = time;

  1096.                         midiEventCount = 0;

  1097. 

  1098.                         if (pData->midiprog.current >= 0 && pData->midiprog.count > 0)

  1099.                             nextBankId = pData->midiprog.data[pData->midiprog.current].bank;

  1100.                         else

  1101.                             nextBankId = 0;

  1102.                     }

  1103.                     else

  1104.                         startTime += timeOffset;

  1105.                 }

  1106. 

  1107.                 // Control change

  1108.                 switch (event.type)

  1109.                 {

  1110.                 case kEngineEventTypeNull:

  1111.                     break;

  1112. 

  1113.                 case kEngineEventTypeControl:

  1114.                 {

  1115.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1116. 

  1117.                     switch (ctrlEvent.type)

  1118.                     {

  1119.                     case kEngineControlEventTypeNull:

  1120.                         break;

  1121. 

  1122.                     case kEngineControlEventTypeParameter:

  1123.                     {

  1124. #ifndef BUILD_BRIDGE

  1125.                         // Control backend stuff

  1126.                         if (event.channel == pData->ctrlChannel)

  1127.                         {

  1128.                             float value;

  1129. 

  1130.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (fHints & PLUGIN_CAN_DRYWET) > 0)

  1131.                             {

  1132.                                 value = ctrlEvent.value;

  1133.                                 setDryWet(value, false, false);

  1134.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1135.                             }

  1136. 

  1137.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (fHints & PLUGIN_CAN_VOLUME) > 0)

  1138.                             {

  1139.                                 value = ctrlEvent.value*127.0f/100.0f;

  1140.                                 setVolume(value, false, false);

  1141.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1142.                             }

  1143. 

  1144.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (fHints & PLUGIN_CAN_BALANCE) > 0)

  1145.                             {

  1146.                                 float left, right;

  1147.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1148. 

  1149.                                 if (value < 0.0f)

  1150.                                 {

  1151.                                     left  = -1.0f;

  1152.                                     right = (value*2.0f)+1.0f;

  1153.                                 }

  1154.                                 else if (value > 0.0f)

  1155.                                 {

  1156.                                     left  = (value*2.0f)-1.0f;

  1157.                                     right = 1.0f;

  1158.                                 }

  1159.                                 else

  1160.                                 {

  1161.                                     left  = -1.0f;

  1162.                                     right = 1.0f;

  1163.                                 }

  1164. 

  1165.                                 setBalanceLeft(left, false, false);

  1166.                                 setBalanceRight(right, false, false);

  1167.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1168.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1169.                             }

  1170.                         }

  1171. #endif

  1172. 

  1173.                         // Control plugin parameters

  1174.                         for (k=0; k < pData->param.count; ++k)

  1175.                         {

  1176.                             if (pData->param.data[k].midiChannel != event.channel)

  1177.                                 continue;

  1178.                             if (pData->param.data[k].midiCC != ctrlEvent.param)

  1179.                                 continue;

  1180.                             if (pData->param.data[k].type != PARAMETER_INPUT)

  1181.                                 continue;

  1182.                             if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0)

  1183.                                 continue;

  1184. 

  1185.                             float value;

  1186. 

  1187.                             if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN)

  1188.                             {

  1189.                                 value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max;

  1190.                             }

  1191.                             else

  1192.                             {

  1193.                                 value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value);

  1194. 

  1195.                                 if (pData->param.data[k].hints & PARAMETER_IS_INTEGER)

  1196.                                     value = std::rint(value);

  1197.                             }

  1198. 

  1199.                             setParameterValue(k, value, false, false, false);

  1200.                             pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast<int32_t>(k), 0, value);

  1201.                         }

  1202. 

  1203.                         if ((fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F)

  1204.                         {

  1205.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1206.                                 continue;

  1207. 

  1208.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1209. 

  1210.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1211. 

  1212.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1213.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1214.                             fMidiEvents[midiEventCount].data.control.param   = ctrlEvent.param;

  1215.                             fMidiEvents[midiEventCount].data.control.value   = ctrlEvent.value*127.0f;

  1216. 

  1217.                             midiEventCount += 1;

  1218.                         }

  1219. 

  1220.                         break;

  1221.                     }

  1222. 

  1223.                     case kEngineControlEventTypeMidiBank:

  1224.                         if (event.channel == pData->ctrlChannel && (fOptions & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0)

  1225.                             nextBankId = ctrlEvent.param;

  1226.                         break;

  1227. 

  1228.                     case kEngineControlEventTypeMidiProgram:

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

  1230.                         {

  1231.                             const uint32_t nextProgramId = ctrlEvent.param;

  1232. 

  1233.                             for (k=0; k < pData->midiprog.count; ++k)

  1234.                             {

  1235.                                 if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId)

  1236.                                 {

  1237.                                     setMidiProgram(k, false, false, false);

  1238.                                     pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, k, 0, 0.0f);

  1239.                                     break;

  1240.                                 }

  1241.                             }

  1242.                         }

  1243.                         break;

  1244. 

  1245.                     case kEngineControlEventTypeAllSoundOff:

  1246.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1247.                         {

  1248.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1249.                                 continue;

  1250. 

  1251.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1252. 

  1253.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1254. 

  1255.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1256.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1257.                             fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_SOUND_OFF;

  1258. 

  1259.                             midiEventCount += 1;

  1260.                         }

  1261.                         break;

  1262. 

  1263.                     case kEngineControlEventTypeAllNotesOff:

  1264.                         if (fOptions & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1265.                         {

  1266.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1267.                             {

  1268.                                 allNotesOffSent = true;

  1269.                                 sendMidiAllNotesOffToCallback();

  1270.                             }

  1271. 

  1272.                             if (midiEventCount >= MAX_MIDI_EVENTS)

  1273.                                 continue;

  1274. 

  1275.                             carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1276. 

  1277.                             fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1278. 

  1279.                             fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1280.                             fMidiEvents[midiEventCount].data.control.channel = event.channel;

  1281.                             fMidiEvents[midiEventCount].data.control.param   = MIDI_CONTROL_ALL_NOTES_OFF;

  1282. 

  1283.                             midiEventCount += 1;

  1284.                         }

  1285.                         break;

  1286.                     }

  1287. 

  1288.                     break;

  1289.                 }

  1290. 

  1291.                 case kEngineEventTypeMidi:

  1292.                 {

  1293.                     if (midiEventCount >= MAX_MIDI_EVENTS)

  1294.                         continue;

  1295. 

  1296.                     const EngineMidiEvent& midiEvent(event.midi);

  1297. 

  1298.                     uint8_t status  = MIDI_GET_STATUS_FROM_DATA(midiEvent.data);

  1299.                     uint8_t channel = event.channel;

  1300. 

  1301.                     // Fix bad note-off (per DSSI spec)

  1302.                     if (MIDI_IS_STATUS_NOTE_ON(status) && midiEvent.data[2] == 0)

  1303.                         status -= 0x10;

  1304. 

  1305.                     carla_zeroStruct<snd_seq_event_t>(fMidiEvents[midiEventCount]);

  1306. 

  1307.                     fMidiEvents[midiEventCount].time.tick = sampleAccurate ? startTime : time;

  1308. 

  1309.                     if (MIDI_IS_STATUS_NOTE_OFF(status))

  1310.                     {

  1311.                         const uint8_t note = midiEvent.data[1];

  1312. 

  1313.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEOFF;

  1314.                         fMidiEvents[midiEventCount].data.note.channel = channel;

  1315.                         fMidiEvents[midiEventCount].data.note.note    = note;

  1316. 

  1317.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f);

  1318.                     }

  1319.                     else if (MIDI_IS_STATUS_NOTE_ON(status))

  1320.                     {

  1321.                         const uint8_t note = midiEvent.data[1];

  1322.                         const uint8_t velo = midiEvent.data[2];

  1323. 

  1324.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_NOTEON;

  1325.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1326.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1327.                         fMidiEvents[midiEventCount].data.note.velocity = velo;

  1328. 

  1329.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo);

  1330.                     }

  1331.                     else if (MIDI_IS_STATUS_POLYPHONIC_AFTERTOUCH(status) && (fOptions & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) != 0)

  1332.                     {

  1333.                         const uint8_t note     = midiEvent.data[1];

  1334.                         const uint8_t pressure = midiEvent.data[2];

  1335. 

  1336.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_KEYPRESS;

  1337.                         fMidiEvents[midiEventCount].data.note.channel  = channel;

  1338.                         fMidiEvents[midiEventCount].data.note.note     = note;

  1339.                         fMidiEvents[midiEventCount].data.note.velocity = pressure;

  1340.                     }

  1341.                     else if (MIDI_IS_STATUS_CONTROL_CHANGE(status) && (fOptions & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0)

  1342.                     {

  1343.                         const uint8_t control = midiEvent.data[1];

  1344.                         const uint8_t value   = midiEvent.data[2];

  1345. 

  1346.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CONTROLLER;

  1347.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1348.                         fMidiEvents[midiEventCount].data.control.param   = control;

  1349.                         fMidiEvents[midiEventCount].data.control.value   = value;

  1350.                     }

  1351.                     else if (MIDI_IS_STATUS_CHANNEL_PRESSURE(status) && (fOptions & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) != 0)

  1352.                     {

  1353.                         const uint8_t pressure = midiEvent.data[1];

  1354. 

  1355.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_CHANPRESS;

  1356.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1357.                         fMidiEvents[midiEventCount].data.control.value   = pressure;

  1358.                     }

  1359.                     else if (MIDI_IS_STATUS_PITCH_WHEEL_CONTROL(status) && (fOptions & PLUGIN_OPTION_SEND_PITCHBEND) != 0)

  1360.                     {

  1361.                         const uint8_t lsb = midiEvent.data[1];

  1362.                         const uint8_t msb = midiEvent.data[2];

  1363. 

  1364.                         fMidiEvents[midiEventCount].type = SND_SEQ_EVENT_PITCHBEND;

  1365.                         fMidiEvents[midiEventCount].data.control.channel = channel;

  1366.                         fMidiEvents[midiEventCount].data.control.value   = ((msb << 7) | lsb) - 8192;

  1367.                     }

  1368.                     else

  1369.                         continue;

  1370. 

  1371.                     midiEventCount += 1;

  1372. 

  1373.                     break;

  1374.                 }

  1375.                 }

  1376.             }

  1377. 

  1378.             pData->postRtEvents.trySplice();

  1379. 

  1380.             if (frames > timeOffset)

  1381.                 processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount);

  1382. 

  1383.         } // End of Event Input and Processing

  1384. 

  1385.         // --------------------------------------------------------------------------------------------------------

  1386.         // Plugin processing (no events)

  1387. 

  1388.         else

  1389.         {

  1390.             processSingle(inBuffer, outBuffer, frames, 0, midiEventCount);

  1391. 

  1392.         } // End of Plugin processing (no events)

  1393. 

  1394.         CARLA_PROCESS_CONTINUE_CHECK;

  1395. 

  1396.         // --------------------------------------------------------------------------------------------------------

  1397.         // Control Output

  1398. 

  1399.         if (pData->event.portOut != nullptr)

  1400.         {

  1401.             uint8_t  channel;

  1402.             uint16_t param;

  1403.             float    value;

  1404. 

  1405.             for (k=0; k < pData->param.count; ++k)

  1406.             {

  1407.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1408.                     continue;

  1409. 

  1410.                 pData->param.ranges[k].fixValue(fParamBuffers[k]);

  1411. 

  1412.                 if (pData->param.data[k].midiCC > 0)

  1413.                 {

  1414.                     channel = pData->param.data[k].midiChannel;

  1415.                     param   = static_cast<uint16_t>(pData->param.data[k].midiCC);

  1416.                     value   = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]);

  1417.                     pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value);

  1418.                 }

  1419.             }

  1420. 

  1421.         } // End of Control Output

  1422.     }

  1423. 

  1424.     bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const unsigned long midiEventCount)

  1425.     {

  1426.         CARLA_ASSERT(frames > 0);

  1427. 

  1428.         if (frames == 0)

  1429.             return false;

  1430. 

  1431.         if (pData->audioIn.count > 0)

  1432.         {

  1433.             CARLA_ASSERT(inBuffer != nullptr);

  1434.             if (inBuffer == nullptr)

  1435.                 return false;

  1436.         }

  1437.         if (pData->audioOut.count > 0)

  1438.         {

  1439.             CARLA_ASSERT(outBuffer != nullptr);

  1440.             if (outBuffer == nullptr)

  1441.                 return false;

  1442.         }

  1443. 

  1444.         uint32_t i, k;

  1445. 

  1446.         // --------------------------------------------------------------------------------------------------------

  1447.         // Try lock, silence otherwise

  1448. 

  1449.         if (pData->engine->isOffline())

  1450.         {

  1451.             pData->singleMutex.lock();

  1452.         }

  1453.         else if (! pData->singleMutex.tryLock())

  1454.         {

  1455.             for (i=0; i < pData->audioOut.count; ++i)

  1456.             {

  1457.                 for (k=0; k < frames; ++k)

  1458.                     outBuffer[i][k+timeOffset] = 0.0f;

  1459.             }

  1460. 

  1461.             return false;

  1462.         }

  1463. 

  1464.         // --------------------------------------------------------------------------------------------------------

  1465.         // Reset audio buffers

  1466. 

  1467.         for (i=0; i < pData->audioIn.count; ++i)

  1468.             carla_copyFloat(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames);

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

  1470.             carla_zeroFloat(fAudioOutBuffers[i], frames);

  1471. 

  1472.         // --------------------------------------------------------------------------------------------------------

  1473.         // Run plugin

  1474. 

  1475.         if (fDssiDescriptor->run_synth != nullptr)

  1476.         {

  1477.             fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount);

  1478. 

  1479.             if (fHandle2 != nullptr)

  1480.                 fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount);

  1481.         }

  1482.         else if (fDssiDescriptor->run_multiple_synths != nullptr)

  1483.         {

  1484.             unsigned long instances = (fHandle2 != nullptr) ? 2 : 1;

  1485.             LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 };

  1486.             snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents };

  1487.             unsigned long midiEventCountPtr[2] = { midiEventCount, midiEventCount };

  1488.             fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr);

  1489.         }

  1490.         else

  1491.         {

  1492.             fDescriptor->run(fHandle, frames);

  1493. 

  1494.             if (fHandle2 != nullptr)

  1495.                 fDescriptor->run(fHandle2, frames);

  1496.         }

  1497. 

  1498. #ifndef BUILD_BRIDGE

  1499.         // --------------------------------------------------------------------------------------------------------

  1500.         // Post-processing (dry/wet, volume and balance)

  1501. 

  1502.         {

  1503.             const bool doDryWet  = (fHints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f;

  1504.             const bool doBalance = (fHints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f);

  1505. 

  1506.             bool isPair;

  1507.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1508. 

  1509.             for (i=0; i < pData->audioOut.count; ++i)

  1510.             {

  1511.                 // Dry/Wet

  1512.                 if (doDryWet)

  1513.                 {

  1514.                     for (k=0; k < frames; ++k)

  1515.                     {

  1516.                         // TODO

  1517.                         //if (k < pData->latency && pData->latency < frames)

  1518.                         //    bufValue = (pData->audioIn.count == 1) ? pData->latencyBuffers[0][k] : pData->latencyBuffers[i][k];

  1519.                         //else

  1520.                         //    bufValue = (pData->audioIn.count == 1) ? inBuffer[0][k-m_latency] : inBuffer[i][k-m_latency];

  1521. 

  1522.                         bufValue = fAudioInBuffers[(pData->audioIn.count == 1) ? 0 : i][k];

  1523.                         fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1524.                     }

  1525.                 }

  1526. 

  1527.                 // Balance

  1528.                 if (doBalance)

  1529.                 {

  1530.                     isPair = (i % 2 == 0);

  1531. 

  1532.                     if (isPair)

  1533.                     {

  1534.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1535.                         carla_copyFloat(oldBufLeft, fAudioOutBuffers[i], frames);

  1536.                     }

  1537. 

  1538.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1539.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1540. 

  1541.                     for (k=0; k < frames; ++k)

  1542.                     {

  1543.                         if (isPair)

  1544.                         {

  1545.                             // left

  1546.                             fAudioOutBuffers[i][k]  = oldBufLeft[k]            * (1.0f - balRangeL);

  1547.                             fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR);

  1548.                         }

  1549.                         else

  1550.                         {

  1551.                             // right

  1552.                             fAudioOutBuffers[i][k]  = fAudioOutBuffers[i][k] * balRangeR;

  1553.                             fAudioOutBuffers[i][k] += oldBufLeft[k]          * balRangeL;

  1554.                         }

  1555.                     }

  1556.                 }

  1557. 

  1558.                 // Volume (and buffer copy)

  1559.                 {

  1560.                     for (k=0; k < frames; ++k)

  1561.                         outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume;

  1562.                 }

  1563.             }

  1564. 

  1565. #if 0

  1566.             // Latency, save values for next callback, TODO

  1567.             if (pData->latency > 0 && pData->latency < frames)

  1568.             {

  1569.                 for (i=0; i < pData->audioIn.count; ++i)

  1570.                     carla_copyFloat(pData->latencyBuffers[i], inBuffer[i] + (frames - pData->latency), pData->latency);

  1571.             }

  1572. #endif

  1573.         } // End of Post-processing

  1574. #else

  1575.         for (i=0; i < pData->audioOut.count; ++i)

  1576.         {

  1577.             for (k=0; k < frames; ++k)

  1578.                 outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k];

  1579.         }

  1580. #endif

  1581. 

  1582.         // --------------------------------------------------------------------------------------------------------

  1583. 

  1584.         pData->singleMutex.unlock();

  1585.         return true;

  1586.     }

  1587. 

  1588.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1589.     {

  1590.         CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize);

  1591.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - start", newBufferSize);

  1592. 

  1593.         for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1594.         {

  1595.             if (fAudioInBuffers[i] != nullptr)

  1596.                 delete[] fAudioInBuffers[i];

  1597.             fAudioInBuffers[i] = new float[newBufferSize];

  1598.         }

  1599. 

  1600.         for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1601.         {

  1602.             if (fAudioOutBuffers[i] != nullptr)

  1603.                 delete[] fAudioOutBuffers[i];

  1604.             fAudioOutBuffers[i] = new float[newBufferSize];

  1605.         }

  1606. 

  1607.         if (fHandle2 == nullptr)

  1608.         {

  1609.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1610.             {

  1611.                 CARLA_ASSERT(fAudioInBuffers[i] != nullptr);

  1612.                 fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]);

  1613.             }

  1614. 

  1615.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1616.             {

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

  1618.                 fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]);

  1619.             }

  1620.         }

  1621.         else

  1622.         {

  1623.             if (pData->audioIn.count > 0)

  1624.             {

  1625.                 CARLA_ASSERT(pData->audioIn.count == 2);

  1626.                 CARLA_ASSERT(fAudioInBuffers[0] != nullptr);

  1627.                 CARLA_ASSERT(fAudioInBuffers[1] != nullptr);

  1628. 

  1629.                 fDescriptor->connect_port(fHandle,  pData->audioIn.ports[0].rindex, fAudioInBuffers[0]);

  1630.                 fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]);

  1631.             }

  1632. 

  1633.             if (pData->audioOut.count > 0)

  1634.             {

  1635.                 CARLA_ASSERT(pData->audioOut.count == 2);

  1636.                 CARLA_ASSERT(fAudioOutBuffers[0] != nullptr);

  1637.                 CARLA_ASSERT(fAudioOutBuffers[1] != nullptr);

  1638. 

  1639.                 fDescriptor->connect_port(fHandle,  pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]);

  1640.                 fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]);

  1641.             }

  1642.         }

  1643. 

  1644.         carla_debug("DssiPlugin::bufferSizeChanged(%i) - end", newBufferSize);

  1645.     }

  1646. 

  1647.     void sampleRateChanged(const double newSampleRate) override

  1648.     {

  1649.         CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate);

  1650.         carla_debug("DssiPlugin::sampleRateChanged(%g) - start", newSampleRate);

  1651. 

  1652.         // TODO

  1653.         (void)newSampleRate;

  1654. 

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

  1656.     }

  1657. 

  1658.     // -------------------------------------------------------------------

  1659.     // Plugin buffers

  1660. 

  1661.     void clearBuffers() override

  1662.     {

  1663.         carla_debug("DssiPlugin::clearBuffers() - start");

  1664. 

  1665.         if (fAudioInBuffers != nullptr)

  1666.         {

  1667.             for (uint32_t i=0; i < pData->audioIn.count; ++i)

  1668.             {

  1669.                 if (fAudioInBuffers[i] != nullptr)

  1670.                 {

  1671.                     delete[] fAudioInBuffers[i];

  1672.                     fAudioInBuffers[i] = nullptr;

  1673.                 }

  1674.             }

  1675. 

  1676.             delete[] fAudioInBuffers;

  1677.             fAudioInBuffers = nullptr;

  1678.         }

  1679. 

  1680.         if (fAudioOutBuffers != nullptr)

  1681.         {

  1682.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1683.             {

  1684.                 if (fAudioOutBuffers[i] != nullptr)

  1685.                 {

  1686.                     delete[] fAudioOutBuffers[i];

  1687.                     fAudioOutBuffers[i] = nullptr;

  1688.                 }

  1689.             }

  1690. 

  1691.             delete[] fAudioOutBuffers;

  1692.             fAudioOutBuffers = nullptr;

  1693.         }

  1694. 

  1695.         if (fParamBuffers != nullptr)

  1696.         {

  1697.             delete[] fParamBuffers;

  1698.             fParamBuffers = nullptr;

  1699.         }

  1700. 

  1701.         CarlaPlugin::clearBuffers();

  1702. 

  1703.         carla_debug("DssiPlugin::clearBuffers() - end");

  1704.     }

  1705. 

  1706.     // -------------------------------------------------------------------

  1707.     // Post-poned UI Stuff

  1708. 

  1709.     void uiParameterChange(const uint32_t index, const float value) override

  1710.     {

  1711.         CARLA_ASSERT(index < pData->param.count);

  1712. 

  1713.         if (index >= pData->param.count)

  1714.             return;

  1715.         if (pData->osc.data.target == nullptr)

  1716.             return;

  1717. 

  1718.         osc_send_control(pData->osc.data, pData->param.data[index].rindex, value);

  1719.     }

  1720. 

  1721.     void uiMidiProgramChange(const uint32_t index) override

  1722.     {

  1723.         CARLA_ASSERT(index < pData->midiprog.count);

  1724. 

  1725.         if (index >= pData->midiprog.count)

  1726.             return;

  1727.         if (pData->osc.data.target == nullptr)

  1728.             return;

  1729. 

  1730.         osc_send_program(pData->osc.data, pData->midiprog.data[index].bank, pData->midiprog.data[index].program);

  1731.     }

  1732. 

  1733.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) override

  1734.     {

  1735.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1736.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1737.         CARLA_ASSERT(velo > 0 && velo < MAX_MIDI_VALUE);

  1738. 

  1739.         if (channel >= MAX_MIDI_CHANNELS)

  1740.             return;

  1741.         if (note >= MAX_MIDI_NOTE)

  1742.             return;

  1743.         if (velo >= MAX_MIDI_VALUE)

  1744.             return;

  1745.         if (pData->osc.data.target == nullptr)

  1746.             return;

  1747. 

  1748. #if 0

  1749.         uint8_t midiData[4] = { 0 };

  1750.         midiData[1] = MIDI_STATUS_NOTE_ON + channel;

  1751.         midiData[2] = note;

  1752.         midiData[3] = velo;

  1753. 

  1754.         osc_send_midi(pData->osc.data, midiData);

  1755. #endif

  1756.     }

  1757. 

  1758.     void uiNoteOff(const uint8_t channel, const uint8_t note) override

  1759.     {

  1760.         CARLA_ASSERT(channel < MAX_MIDI_CHANNELS);

  1761.         CARLA_ASSERT(note < MAX_MIDI_NOTE);

  1762. 

  1763.         if (channel >= MAX_MIDI_CHANNELS)

  1764.             return;

  1765.         if (note >= MAX_MIDI_NOTE)

  1766.             return;

  1767.         if (pData->osc.data.target == nullptr)

  1768.             return;

  1769. 

  1770. #if 0

  1771.         uint8_t midiData[4] = { 0 };

  1772.         midiData[1] = MIDI_STATUS_NOTE_OFF + channel;

  1773.         midiData[2] = note;

  1774. 

  1775.         osc_send_midi(pData->osc.data, midiData);

  1776. #endif

  1777.     }

  1778. 

  1779.     // -------------------------------------------------------------------

  1780. 

  1781.     const void* getExtraStuff() const noexcept override

  1782.     {

  1783.         return fGuiFilename.isNotEmpty() ? (const char*)fGuiFilename : nullptr;

  1784.     }

  1785. 

  1786.     bool init(const char* const filename, const char* const name, const char* const label, const char* const guiFilename)

  1787.     {

  1788.         CARLA_ASSERT(pData->engine != nullptr);

  1789.         CARLA_ASSERT(pData->client == nullptr);

  1790.         CARLA_ASSERT(filename != nullptr);

  1791.         CARLA_ASSERT(label != nullptr);

  1792. 

  1793.         // ---------------------------------------------------------------

  1794.         // first checks

  1795. 

  1796.         if (pData->engine == nullptr)

  1797.         {

  1798.             return false;

  1799.         }

  1800. 

  1801.         if (pData->client != nullptr)

  1802.         {

  1803.             pData->engine->setLastError("Plugin client is already registered");

  1804.             return false;

  1805.         }

  1806. 

  1807.         if (filename == nullptr)

  1808.         {

  1809.             pData->engine->setLastError("null filename");

  1810.             return false;

  1811.         }

  1812. 

  1813.         if (label == nullptr)

  1814.         {

  1815.             pData->engine->setLastError("null label");

  1816.             return false;

  1817.         }

  1818. 

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

  1820.         // open DLL

  1821. 

  1822.         if (! pData->libOpen(filename))

  1823.         {

  1824.             pData->engine->setLastError(pData->libError(filename));

  1825.             return false;

  1826.         }

  1827. 

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

  1829.         // get DLL main entry

  1830. 

  1831.         const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)pData->libSymbol("dssi_descriptor");

  1832. 

  1833.         if (descFn == nullptr)

  1834.         {

  1835.             pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library");

  1836.             return false;

  1837.         }

  1838. 

  1839.         // ---------------------------------------------------------------

  1840.         // get descriptor that matches label

  1841. 

  1842.         unsigned long i = 0;

  1843.         while ((fDssiDescriptor = descFn(i++)) != nullptr)

  1844.         {

  1845.             fDescriptor = fDssiDescriptor->LADSPA_Plugin;

  1846.             if (fDescriptor != nullptr && fDescriptor->Label != nullptr && std::strcmp(fDescriptor->Label, label) == 0)

  1847.                 break;

  1848.         }

  1849. 

  1850.         if (fDescriptor == nullptr || fDssiDescriptor == nullptr)

  1851.         {

  1852.             pData->engine->setLastError("Could not find the requested plugin label in the plugin library");

  1853.             return false;

  1854.         }

  1855. 

  1856.         // ---------------------------------------------------------------

  1857.         // check if uses global instance

  1858. 

  1859.         if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr)

  1860.         {

  1861.             if (! addUniqueMultiSynth(fDescriptor->Label))

  1862.             {

  1863.                 pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely");

  1864.                 return false;

  1865.             }

  1866.         }

  1867. 

  1868.         // ---------------------------------------------------------------

  1869.         // get info

  1870. 

  1871.         if (name != nullptr)

  1872.             fName = pData->engine->getUniquePluginName(name);

  1873.         else if (fDescriptor->Name != nullptr)

  1874.             fName = pData->engine->getUniquePluginName(fDescriptor->Name);

  1875.         else

  1876.             fName = pData->engine->getUniquePluginName(fDescriptor->Label);

  1877. 

  1878.         fFilename = filename;

  1879. 

  1880.         // ---------------------------------------------------------------

  1881.         // register client

  1882. 

  1883.         pData->client = pData->engine->addClient(this);

  1884. 

  1885.         if (pData->client == nullptr || ! pData->client->isOk())

  1886.         {

  1887.             pData->engine->setLastError("Failed to register plugin client");

  1888.             return false;

  1889.         }

  1890. 

  1891.         // ---------------------------------------------------------------

  1892.         // initialize plugin

  1893. 

  1894.         fHandle = fDescriptor->instantiate(fDescriptor, (unsigned long)pData->engine->getSampleRate());

  1895. 

  1896.         if (fHandle == nullptr)

  1897.         {

  1898.             pData->engine->setLastError("Plugin failed to initialize");

  1899.             return false;

  1900.         }

  1901. 

  1902.         // ---------------------------------------------------------------

  1903.         // gui stuff

  1904. 

  1905.         if (guiFilename != nullptr)

  1906.         {

  1907.             fGuiFilename = guiFilename;

  1908.             pData->osc.thread.setOscData(guiFilename, fDescriptor->Label);

  1909.         }

  1910. 

  1911.         // ---------------------------------------------------------------

  1912.         // load plugin settings

  1913. 

  1914.         {

  1915. #ifdef __USE_GNU

  1916.             const bool isDssiVst = fFilename.contains("dssi-vst", true);

  1917. #else

  1918.             const bool isDssiVst = fFilename.contains("dssi-vst");

  1919. #endif

  1920. 

  1921.             // set default options

  1922.             fOptions = 0x0;

  1923. 

  1924.             fOptions |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES;

  1925. 

  1926.             if (pData->engine->getOptions().forceStereo)

  1927.                 fOptions |= PLUGIN_OPTION_FORCE_STEREO;

  1928. 

  1929.             if (isDssiVst)

  1930.             {

  1931.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFER;

  1932. 

  1933.                 if (pData->engine->getOptions().useDssiVstChunks && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr)

  1934.                     fOptions |= PLUGIN_OPTION_USE_CHUNKS;

  1935.             }

  1936. 

  1937.             if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)

  1938.             {

  1939.                 fOptions |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE;

  1940.                 fOptions |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH;

  1941.                 fOptions |= PLUGIN_OPTION_SEND_PITCHBEND;

  1942.                 fOptions |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF;

  1943. 

  1944.                 if (fDssiDescriptor->run_synth == nullptr)

  1945.                     carla_stderr2("Plugin can ONLY use run_multiple_synths!");

  1946.             }

  1947. 

  1948.             // load settings

  1949.             pData->idStr  = "DSSI/";

  1950.             pData->idStr += std::strrchr(filename, OS_SEP)+1;

  1951.             pData->idStr += "/";

  1952.             pData->idStr += label;

  1953.             fOptions = pData->loadSettings(fOptions, getAvailableOptions());

  1954. 

  1955.             // ignore settings, we need this anyway

  1956.             if (isDssiVst)

  1957.                 fOptions |= PLUGIN_OPTION_FIXED_BUFFER;

  1958.         }

  1959. 

  1960.         return true;

  1961.     }

  1962. 

  1963. private:

  1964.     LADSPA_Handle fHandle;

  1965.     LADSPA_Handle fHandle2;

  1966.     const LADSPA_Descriptor* fDescriptor;

  1967.     const DSSI_Descriptor*   fDssiDescriptor;

  1968. 

  1969.     CarlaString fGuiFilename;

  1970. 

  1971.     float** fAudioInBuffers;

  1972.     float** fAudioOutBuffers;

  1973.     float*  fParamBuffers;

  1974.     snd_seq_event_t fMidiEvents[MAX_MIDI_EVENTS];

  1975. 

  1976.     static NonRtList<const char*> sMultiSynthList;

  1977. 

  1978.     static bool addUniqueMultiSynth(const char* const label)

  1979.     {

  1980.         for (NonRtList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  1981.         {

  1982.             const char*& itLabel(*it);

  1983. 

  1984.             if (std::strcmp(label, itLabel) == 0)

  1985.                 return false;

  1986.         }

  1987. 

  1988.         sMultiSynthList.append(carla_strdup(label));

  1989.         return true;

  1990.     }

  1991. 

  1992.     static void removeUniqueMultiSynth(const char* const label)

  1993.     {

  1994.         for (NonRtList<const char*>::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next())

  1995.         {

  1996.             const char*& itLabel(*it);

  1997. 

  1998.             if (std::strcmp(label, itLabel) == 0)

  1999.             {

  2000.                 sMultiSynthList.remove(it);

  2001.                 delete[] itLabel;

  2002.                 return;

  2003.             }

  2004.         }

  2005.     }

  2006. 

  2007.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DssiPlugin)

  2008. };

  2009. 

  2010. NonRtList<const char*> DssiPlugin::sMultiSynthList;

  2011. 

  2012. CARLA_BACKEND_END_NAMESPACE

  2013. 

  2014. #else // WANT_DSSI

  2015. # warning Building without DSSI support

  2016. #endif

  2017. 

  2018. CARLA_BACKEND_START_NAMESPACE

  2019. 

  2020. CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init, const char* const guiFilename)

  2021. {

  2022.     carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\"}, \"%s\")", init.engine, init.filename, init.name, init.label, guiFilename);

  2023. 

  2024. #ifdef WANT_DSSI

  2025.     DssiPlugin* const plugin(new DssiPlugin(init.engine, init.id));

  2026. 

  2027.     if (! plugin->init(init.filename, init.name, init.label, guiFilename))

  2028.     {

  2029.         delete plugin;

  2030.         return nullptr;

  2031.     }

  2032. 

  2033.     plugin->reload();

  2034. 

  2035.     if (init.engine->getProccessMode() == PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack())

  2036.     {

  2037.         init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!");

  2038.         delete plugin;

  2039.         return nullptr;

  2040.     }

  2041. 

  2042.     return plugin;

  2043. #else

  2044.     init.engine->setLastError("DSSI support not available");

  2045.     return nullptr;

  2046. #endif

  2047. }

  2048. 

  2049. CARLA_BACKEND_END_NAMESPACE