/* * Carla DSSI Plugin * Copyright (C) 2011-2014 Filipe Coelho * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * For a full copy of the GNU General Public License see the doc/GPL.txt file. */ #include "CarlaPluginInternal.hpp" #include "CarlaEngine.hpp" #ifdef WANT_DSSI #include "CarlaDssiUtils.hpp" #include "CarlaMathUtils.hpp" #include // ----------------------------------------------------- CARLA_BACKEND_START_NAMESPACE #if 0 } #endif // ----------------------------------------------------- class DssiPlugin : public CarlaPlugin { public: DssiPlugin(CarlaEngine* const engine, const uint id) noexcept : CarlaPlugin(engine, id), fHandle(nullptr), fHandle2(nullptr), fDescriptor(nullptr), fDssiDescriptor(nullptr), fUsesCustomData(false), fUiFilename(nullptr), fAudioInBuffers(nullptr), fAudioOutBuffers(nullptr), fParamBuffers(nullptr), fLatencyChanged(false), fLatencyIndex(-1) { carla_debug("DssiPlugin::DssiPlugin(%p, %i)", engine, id); pData->osc.thread.setMode(CarlaPluginThread::PLUGIN_THREAD_DSSI_GUI); } ~DssiPlugin() noexcept override { carla_debug("DssiPlugin::~DssiPlugin()"); // close UI if (pData->hints & PLUGIN_HAS_CUSTOM_UI) { showCustomUI(false); pData->osc.thread.stopThread(static_cast(pData->engine->getOptions().uiBridgesTimeout * 2)); } pData->singleMutex.lock(); pData->masterMutex.lock(); if (pData->client != nullptr && pData->client->isActive()) pData->client->deactivate(); if (pData->active) { deactivate(); pData->active = false; } if (fDescriptor != nullptr) { if (pData->name != nullptr && fDssiDescriptor != nullptr && fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr) removeUniqueMultiSynth(fDescriptor->Label); if (fDescriptor->cleanup != nullptr) { if (fHandle != nullptr) { try { fDescriptor->cleanup(fHandle); } CARLA_SAFE_EXCEPTION("DSSI cleanup"); } if (fHandle2 != nullptr) { try { fDescriptor->cleanup(fHandle2); } CARLA_SAFE_EXCEPTION("DSSI cleanup #2"); } } fHandle = nullptr; fHandle2 = nullptr; fDescriptor = nullptr; fDssiDescriptor = nullptr; } if (fUiFilename != nullptr) { delete[] fUiFilename; fUiFilename = nullptr; } clearBuffers(); } // ------------------------------------------------------------------- // Information (base) PluginType getType() const noexcept override { return PLUGIN_DSSI; } PluginCategory getCategory() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, PLUGIN_CATEGORY_NONE); if (pData->audioIn.count == 0 && pData->audioOut.count > 0 && (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr)) return PLUGIN_CATEGORY_SYNTH; return CarlaPlugin::getCategory(); } int64_t getUniqueId() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, 0); return static_cast(fDescriptor->UniqueID); } // ------------------------------------------------------------------- // Information (count) // nothing // ------------------------------------------------------------------- // Information (current data) int32_t getChunkData(void** const dataPtr) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fUsesCustomData, 0); CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS, 0); CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->get_custom_data != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr, 0); CARLA_SAFE_ASSERT_RETURN(dataPtr != nullptr, 0); int ret = 0; ulong dataSize = 0; try { ret = fDssiDescriptor->get_custom_data(fHandle, dataPtr, &dataSize); } catch(...) {} return (ret != 0) ? static_cast(dataSize) : 0; } // ------------------------------------------------------------------- // Information (per-plugin data) uint getOptionsAvailable() const noexcept override { #ifdef __USE_GNU const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr); #else const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr); #endif uint options = 0x0; options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; if (! isDssiVst) { if (fLatencyIndex == -1) options |= PLUGIN_OPTION_FIXED_BUFFERS; if (pData->engine->getProccessMode() != ENGINE_PROCESS_MODE_CONTINUOUS_RACK) { if (pData->options & PLUGIN_OPTION_FORCE_STEREO) options |= PLUGIN_OPTION_FORCE_STEREO; else if (pData->audioIn.count <= 1 && pData->audioOut.count <= 1 && (pData->audioIn.count != 0 || pData->audioOut.count != 0)) options |= PLUGIN_OPTION_FORCE_STEREO; } } if (fUsesCustomData) options |= PLUGIN_OPTION_USE_CHUNKS; if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr) { options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES; options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE; options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH; options |= PLUGIN_OPTION_SEND_PITCHBEND; options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF; } return options; } float getParameterValue(const uint32_t parameterId) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr, 0.0f); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f); return fParamBuffers[parameterId]; } void getLabel(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, nullStrBuf(strBuf)); CARLA_SAFE_ASSERT_RETURN(fDescriptor->Label != nullptr, nullStrBuf(strBuf)); std::strncpy(strBuf, fDescriptor->Label, STR_MAX); } void getMaker(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, nullStrBuf(strBuf)); CARLA_SAFE_ASSERT_RETURN(fDescriptor->Maker != nullptr, nullStrBuf(strBuf)); std::strncpy(strBuf, fDescriptor->Maker, STR_MAX); } void getCopyright(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, nullStrBuf(strBuf)); CARLA_SAFE_ASSERT_RETURN(fDescriptor->Copyright != nullptr, nullStrBuf(strBuf)); std::strncpy(strBuf, fDescriptor->Copyright, STR_MAX); } void getRealName(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, nullStrBuf(strBuf)); CARLA_SAFE_ASSERT_RETURN(fDescriptor->Name != nullptr, nullStrBuf(strBuf)); std::strncpy(strBuf, fDescriptor->Name, STR_MAX); } void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr, nullStrBuf(strBuf)); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf)); const int32_t rindex(pData->param.data[parameterId].rindex); CARLA_SAFE_ASSERT_RETURN(rindex < static_cast(fDescriptor->PortCount), nullStrBuf(strBuf)); CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames[rindex] != nullptr, nullStrBuf(strBuf)); if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, true)) return; std::strncpy(strBuf, fDescriptor->PortNames[rindex], STR_MAX); } void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf)); const int32_t rindex(pData->param.data[parameterId].rindex); CARLA_SAFE_ASSERT_RETURN(rindex < static_cast(fDescriptor->PortCount), nullStrBuf(strBuf)); if (getSeparatedParameterNameOrUnit(fDescriptor->PortNames[rindex], strBuf, false)) return; nullStrBuf(strBuf); } // ------------------------------------------------------------------- // Set data (state) // nothing // ------------------------------------------------------------------- // Set data (internal stuff) // nothing // ------------------------------------------------------------------- // Set data (plugin-specific stuff) void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override { CARLA_SAFE_ASSERT_RETURN(fParamBuffers != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const float fixedValue(pData->param.getFixedValue(parameterId, value)); fParamBuffers[parameterId] = fixedValue; CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback); } void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override { CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(value != nullptr,); carla_debug("DssiPlugin::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui)); if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0) return carla_stderr2("DssiPlugin::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui)); if (fDssiDescriptor->configure != nullptr) { try { fDssiDescriptor->configure(fHandle, key, value); } catch(...) {} if (fHandle2 != nullptr) { try { fDssiDescriptor->configure(fHandle2, key, value); } catch(...) {} } } if (sendGui && pData->osc.data.target != nullptr) osc_send_configure(pData->osc.data, key, value); if (std::strcmp(key, "reloadprograms") == 0 || std::strcmp(key, "load") == 0 || std::strncmp(key, "patches", 7) == 0) { const ScopedSingleProcessLocker spl(this, true); reloadPrograms(false); } CarlaPlugin::setCustomData(type, key, value, sendGui); } void setChunkData(const char* const stringData) override { CARLA_SAFE_ASSERT_RETURN(fUsesCustomData,); CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS,); CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->set_custom_data != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle2 == nullptr,); CARLA_SAFE_ASSERT_RETURN(stringData != nullptr,); QByteArray chunk(QByteArray::fromBase64(stringData)); CARLA_SAFE_ASSERT_RETURN(chunk.size() > 0,); { const ScopedSingleProcessLocker spl(this, true); try { fDssiDescriptor->set_custom_data(fHandle, chunk.data(), static_cast(chunk.size())); } catch(...) {} } #ifdef BUILD_BRIDGE const bool sendOsc(false); #else const bool sendOsc(pData->engine->isOscControlRegistered()); #endif pData->updateParameterValues(this, sendOsc, true, false); } void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override { CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor->select_program != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast(pData->midiprog.count),); if (index >= 0) { const uint32_t bank(pData->midiprog.data[index].bank); const uint32_t program(pData->midiprog.data[index].program); const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback)); try { fDssiDescriptor->select_program(fHandle, bank, program); } catch(...) {} if (fHandle2 != nullptr) { try { fDssiDescriptor->select_program(fHandle2, bank, program); } catch(...) {} } } CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback); } // ------------------------------------------------------------------- // Set ui stuff void showCustomUI(const bool yesNo) override { if (yesNo) { pData->osc.data.free(); pData->osc.thread.startThread(); } else { pData->transientTryCounter = 0; if (pData->osc.data.target != nullptr) { osc_send_hide(pData->osc.data); osc_send_quit(pData->osc.data); pData->osc.data.free(); } pData->osc.thread.stopThread(static_cast(pData->engine->getOptions().uiBridgesTimeout * 2)); } } void idle() override { if (fLatencyChanged && fLatencyIndex != -1) { fLatencyChanged = false; const int32_t latency(static_cast(fParamBuffers[fLatencyIndex])); if (latency >= 0) { const uint32_t ulatency(static_cast(latency)); if (pData->latency != ulatency) { carla_stdout("latency changed to %i", latency); const ScopedSingleProcessLocker sspl(this, true); pData->latency = ulatency; pData->client->setLatency(ulatency); #ifndef BUILD_BRIDGE pData->recreateLatencyBuffers(); #endif } } else carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency); } } // ------------------------------------------------------------------- // Plugin state void reload() override { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,); CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fDssiDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); carla_debug("DssiPlugin::reload() - start"); const EngineProcessMode processMode(pData->engine->getProccessMode()); // Safely disable plugin for reload const ScopedDisabler sd(this); if (pData->active) deactivate(); clearBuffers(); const float sampleRate(static_cast(pData->engine->getSampleRate())); const uint32_t portCount(getSafePortCount()); uint32_t aIns, aOuts, mIns, params; aIns = aOuts = mIns = params = 0; bool forcedStereoIn, forcedStereoOut; forcedStereoIn = forcedStereoOut = false; bool needsCtrlIn, needsCtrlOut; needsCtrlIn = needsCtrlOut = false; for (uint32_t i=0; i < portCount; ++i) { const LADSPA_PortDescriptor portType(fDescriptor->PortDescriptors[i]); if (LADSPA_IS_PORT_AUDIO(portType)) { if (LADSPA_IS_PORT_INPUT(portType)) aIns += 1; else if (LADSPA_IS_PORT_OUTPUT(portType)) aOuts += 1; } else if (LADSPA_IS_PORT_CONTROL(portType)) params += 1; } if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && (aIns == 1 || aOuts == 1)) { if (fHandle2 == nullptr) { try { fHandle2 = fDescriptor->instantiate(fDescriptor, static_cast(sampleRate)); } CARLA_SAFE_EXCEPTION("DSSI instantiate #2"); } if (fHandle2 != nullptr) { if (aIns == 1) { aIns = 2; forcedStereoIn = true; } if (aOuts == 1) { aOuts = 2; forcedStereoOut = true; } } } if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr) { mIns = 1; needsCtrlIn = true; } if (aIns > 0) { pData->audioIn.createNew(aIns); fAudioInBuffers = new float*[aIns]; for (uint32_t i=0; i < aIns; ++i) fAudioInBuffers[i] = nullptr; } if (aOuts > 0) { pData->audioOut.createNew(aOuts); fAudioOutBuffers = new float*[aOuts]; needsCtrlIn = true; for (uint32_t i=0; i < aOuts; ++i) fAudioOutBuffers[i] = nullptr; } if (params > 0) { pData->param.createNew(params, true); fParamBuffers = new float[params]; FLOAT_CLEAR(fParamBuffers, params); } const uint portNameSize(pData->engine->getMaxPortNameSize()); CarlaString portName; for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCtrl=0; i < portCount; ++i) { const LADSPA_PortDescriptor portType = fDescriptor->PortDescriptors[i]; const LADSPA_PortRangeHint portRangeHints = fDescriptor->PortRangeHints[i]; if (LADSPA_IS_PORT_AUDIO(portType)) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } if (fDescriptor->PortNames[i] != nullptr && fDescriptor->PortNames[i][0] != '\0') { portName += fDescriptor->PortNames[i]; } else { if (LADSPA_IS_PORT_INPUT(portType)) { if (aIns > 1) { portName += "audio-in_"; portName += CarlaString(iAudioIn+1); } else portName += "audio-in"; } else { if (aOuts > 1) { portName += "audio-out_"; portName += CarlaString(iAudioOut+1); } else portName += "audio-out"; } } portName.truncate(portNameSize); if (LADSPA_IS_PORT_INPUT(portType)) { const uint32_t j = iAudioIn++; pData->audioIn.ports[j].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true); pData->audioIn.ports[j].rindex = i; if (forcedStereoIn) { portName += "_2"; pData->audioIn.ports[1].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true); pData->audioIn.ports[1].rindex = i; } } else if (LADSPA_IS_PORT_OUTPUT(portType)) { const uint32_t j = iAudioOut++; pData->audioOut.ports[j].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false); pData->audioOut.ports[j].rindex = i; if (forcedStereoOut) { portName += "_2"; pData->audioOut.ports[1].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false); pData->audioOut.ports[1].rindex = i; } } else carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)"); } else if (LADSPA_IS_PORT_CONTROL(portType)) { const uint32_t j = iCtrl++; pData->param.data[j].index = static_cast(j); pData->param.data[j].rindex = static_cast(i); const char* const paramName(fDescriptor->PortNames[i] != nullptr ? fDescriptor->PortNames[i] : "unknown"); float min, max, def, step, stepSmall, stepLarge; // min value if (LADSPA_IS_HINT_BOUNDED_BELOW(portRangeHints.HintDescriptor)) min = portRangeHints.LowerBound; else min = 0.0f; // max value if (LADSPA_IS_HINT_BOUNDED_ABOVE(portRangeHints.HintDescriptor)) max = portRangeHints.UpperBound; else max = 1.0f; if (min > max) { carla_stderr2("WARNING - Broken plugin parameter '%s': min > max", paramName); min = max - 0.1f; } else if (min == max) { carla_stderr2("WARNING - Broken plugin parameter '%s': min == maxf", paramName); max = min + 0.1f; } // default value def = get_default_ladspa_port_value(portRangeHints.HintDescriptor, min, max); if (def < min) def = min; else if (def > max) def = max; if (LADSPA_IS_HINT_SAMPLE_RATE(portRangeHints.HintDescriptor)) { min *= sampleRate; max *= sampleRate; def *= sampleRate; pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE; } if (LADSPA_IS_HINT_TOGGLED(portRangeHints.HintDescriptor)) { step = max - min; stepSmall = step; stepLarge = step; pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN; } else if (LADSPA_IS_HINT_INTEGER(portRangeHints.HintDescriptor)) { step = 1.0f; stepSmall = 1.0f; stepLarge = 10.0f; pData->param.data[j].hints |= PARAMETER_IS_INTEGER; } else { const float range = max - min; step = range/100.0f; stepSmall = range/1000.0f; stepLarge = range/10.0f; } if (LADSPA_IS_PORT_INPUT(portType)) { pData->param.data[j].type = PARAMETER_INPUT; pData->param.data[j].hints |= PARAMETER_IS_ENABLED; pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE; needsCtrlIn = true; // MIDI CC value if (fDssiDescriptor->get_midi_controller_for_port != nullptr) { int controller = fDssiDescriptor->get_midi_controller_for_port(fHandle, i); if (DSSI_CONTROLLER_IS_SET(controller) && DSSI_IS_CC(controller)) { int16_t cc = DSSI_CC_NUMBER(controller); if (! MIDI_IS_CONTROL_BANK_SELECT(cc)) pData->param.data[j].midiCC = cc; } } } else if (LADSPA_IS_PORT_OUTPUT(portType)) { pData->param.data[j].type = PARAMETER_OUTPUT; if (std::strcmp(paramName, "latency") == 0 || std::strcmp(paramName, "_latency") == 0) { min = 0.0f; max = sampleRate; def = 0.0f; step = 1.0f; stepSmall = 1.0f; stepLarge = 1.0f; pData->param.special[j] = PARAMETER_SPECIAL_LATENCY; CARLA_SAFE_ASSERT(fLatencyIndex == -1); fLatencyIndex = static_cast(j); } else { pData->param.data[j].hints |= PARAMETER_IS_ENABLED; pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE; needsCtrlOut = true; } } else { carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)"); } // extra parameter hints if (LADSPA_IS_HINT_LOGARITHMIC(portRangeHints.HintDescriptor)) pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC; pData->param.ranges[j].min = min; pData->param.ranges[j].max = max; pData->param.ranges[j].def = def; pData->param.ranges[j].step = step; pData->param.ranges[j].stepSmall = stepSmall; pData->param.ranges[j].stepLarge = stepLarge; // Start parameters in their default values fParamBuffers[j] = def; try { fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]); } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter"); if (fHandle2 != nullptr) { try { fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]); } CARLA_SAFE_EXCEPTION("DSSI connect_port parameter #2"); } } else { // Not Audio or Control carla_stderr2("ERROR - Got a broken Port (neither Audio or Control)"); try { fDescriptor->connect_port(fHandle, i, nullptr); } CARLA_SAFE_EXCEPTION("DSSI connect_port null"); if (fHandle2 != nullptr) { try { fDescriptor->connect_port(fHandle2, i, nullptr); } CARLA_SAFE_EXCEPTION("DSSI connect_port null #2"); } } } if (needsCtrlIn) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "events-in"; portName.truncate(portNameSize); pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true); } if (needsCtrlOut) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "events-out"; portName.truncate(portNameSize); pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false); } if (forcedStereoIn || forcedStereoOut) pData->options |= PLUGIN_OPTION_FORCE_STEREO; else pData->options &= ~PLUGIN_OPTION_FORCE_STEREO; // plugin hints pData->hints = 0x0; if (LADSPA_IS_HARD_RT_CAPABLE(fDescriptor->Properties)) pData->hints |= PLUGIN_IS_RTSAFE; if (fUiFilename != nullptr) pData->hints |= PLUGIN_HAS_CUSTOM_UI; #ifndef BUILD_BRIDGE if (aOuts > 0 && (aIns == aOuts || aIns == 1)) pData->hints |= PLUGIN_CAN_DRYWET; if (aOuts > 0) pData->hints |= PLUGIN_CAN_VOLUME; if (aOuts >= 2 && aOuts % 2 == 0) pData->hints |= PLUGIN_CAN_BALANCE; #endif // extra plugin hints pData->extraHints = 0x0; if (mIns > 0) pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN; if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0)) pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK; // check latency if (fLatencyIndex >= 0) { // we need to pre-run the plugin so it can update its latency control-port float tmpIn[aIns][2]; float tmpOut[aOuts][2]; for (uint32_t j=0; j < aIns; ++j) { tmpIn[j][0] = 0.0f; tmpIn[j][1] = 0.0f; try { fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]); } CARLA_SAFE_EXCEPTION("DSSI connect_port latency input"); } for (uint32_t j=0; j < aOuts; ++j) { tmpOut[j][0] = 0.0f; tmpOut[j][1] = 0.0f; try { fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]); } CARLA_SAFE_EXCEPTION("DSSI connect_port latency output"); } if (fDescriptor->activate != nullptr) { try { fDescriptor->activate(fHandle); } CARLA_SAFE_EXCEPTION("DSSI latency activate"); } try { fDescriptor->run(fHandle, 2); } CARLA_SAFE_EXCEPTION("DSSI latency run"); if (fDescriptor->deactivate != nullptr) { try { fDescriptor->deactivate(fHandle); } CARLA_SAFE_EXCEPTION("DSSI latency deactivate"); } const int32_t latency(static_cast(fParamBuffers[fLatencyIndex])); if (latency >= 0) { const uint32_t ulatency(static_cast(latency)); if (pData->latency != ulatency) { carla_stdout("latency = %i", latency); pData->latency = ulatency; pData->client->setLatency(ulatency); #ifndef BUILD_BRIDGE pData->recreateLatencyBuffers(); #endif } } else carla_safe_assert_int("latency >= 0", __FILE__, __LINE__, latency); fLatencyChanged = false; } bufferSizeChanged(pData->engine->getBufferSize()); reloadPrograms(true); if (pData->active) activate(); carla_debug("DssiPlugin::reload() - end"); } void reloadPrograms(const bool doInit) override { carla_debug("DssiPlugin::reloadPrograms(%s)", bool2str(doInit)); const uint32_t oldCount = pData->midiprog.count; const int32_t current = pData->midiprog.current; // Delete old programs pData->midiprog.clear(); // Query new programs uint32_t newCount = 0; if (fDssiDescriptor->get_program != nullptr && fDssiDescriptor->select_program != nullptr) { for (; fDssiDescriptor->get_program(fHandle, newCount) != nullptr;) ++newCount; } if (newCount > 0) { pData->midiprog.createNew(newCount); // Update data for (uint32_t i=0; i < newCount; ++i) { const DSSI_Program_Descriptor* const pdesc(fDssiDescriptor->get_program(fHandle, i)); CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr); CARLA_SAFE_ASSERT(pdesc->Name != nullptr); pData->midiprog.data[i].bank = static_cast(pdesc->Bank); pData->midiprog.data[i].program = static_cast(pdesc->Program); pData->midiprog.data[i].name = carla_strdup(pdesc->Name); } } #ifndef BUILD_BRIDGE // Update OSC Names if (pData->engine->isOscControlRegistered()) { pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount); for (uint32_t i=0; i < newCount; ++i) pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name); } #endif if (doInit) { if (newCount > 0) setMidiProgram(0, false, false, false); } else { // Check if current program is invalid bool programChanged = false; if (newCount == oldCount+1) { // one midi program added, probably created by user pData->midiprog.current = static_cast(oldCount); programChanged = true; } else if (current < 0 && newCount > 0) { // programs exist now, but not before pData->midiprog.current = 0; programChanged = true; } else if (current >= 0 && newCount == 0) { // programs existed before, but not anymore pData->midiprog.current = -1; programChanged = true; } else if (current >= static_cast(newCount)) { // current midi program > count pData->midiprog.current = 0; programChanged = true; } else { // no change pData->midiprog.current = current; } if (programChanged) setMidiProgram(pData->midiprog.current, true, true, true); pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr); } } // ------------------------------------------------------------------- // Plugin processing void activate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); if (fDescriptor->activate != nullptr) { try { fDescriptor->activate(fHandle); } CARLA_SAFE_EXCEPTION("DSSI activate"); if (fHandle2 != nullptr) { try { fDescriptor->activate(fHandle2); } CARLA_SAFE_EXCEPTION("DSSI activate #2"); } } } void deactivate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); if (fDescriptor->deactivate != nullptr) { try { fDescriptor->deactivate(fHandle); } CARLA_SAFE_EXCEPTION("DSSI deactivate"); if (fHandle2 != nullptr) { try { fDescriptor->deactivate(fHandle2); } CARLA_SAFE_EXCEPTION("DSSI deactivate #2"); } } } void process(float** const inBuffer, float** const outBuffer, const uint32_t frames) override { // -------------------------------------------------------------------------------------------------------- // Check if active if (! pData->active) { // disable any output sound for (uint32_t i=0; i < pData->audioOut.count; ++i) FLOAT_CLEAR(outBuffer[i], frames); return; } ulong midiEventCount = 0; // -------------------------------------------------------------------------------------------------------- // Check if needs reset if (pData->needsReset) { if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { midiEventCount = MAX_MIDI_CHANNELS*2; carla_zeroStruct(fMidiEvents, midiEventCount); for (uchar i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i) { fMidiEvents[i].type = SND_SEQ_EVENT_CONTROLLER; fMidiEvents[i].data.control.channel = i; fMidiEvents[i].data.control.param = MIDI_CONTROL_ALL_NOTES_OFF; fMidiEvents[k+i].type = SND_SEQ_EVENT_CONTROLLER; fMidiEvents[k+i].data.control.channel = i; fMidiEvents[k+i].data.control.param = MIDI_CONTROL_ALL_SOUND_OFF; } } else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS) { midiEventCount = MAX_MIDI_NOTE; carla_zeroStruct(fMidiEvents, midiEventCount); for (uchar i=0; i < MAX_MIDI_NOTE; ++i) { fMidiEvents[i].type = SND_SEQ_EVENT_NOTEOFF; fMidiEvents[i].data.note.channel = static_cast(pData->ctrlChannel); fMidiEvents[i].data.note.note = i; } } #ifndef BUILD_BRIDGE if (pData->latency > 0) { for (uint32_t i=0; i < pData->audioIn.count; ++i) FLOAT_CLEAR(pData->latencyBuffers[i], pData->latency); } #endif pData->needsReset = false; } // -------------------------------------------------------------------------------------------------------- // Event Input and Processing if (pData->event.portIn != nullptr) { // ---------------------------------------------------------------------------------------------------- // MIDI Input (External) if (pData->extNotes.mutex.tryLock()) { ExternalMidiNote note = { 0, 0, 0 }; for (; midiEventCount < kPluginMaxMidiEvents && ! pData->extNotes.data.isEmpty();) { note = pData->extNotes.data.getFirst(note, true); CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS); snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]); carla_zeroStruct(midiEvent); midiEvent.type = (note.velo > 0) ? SND_SEQ_EVENT_NOTEON : SND_SEQ_EVENT_NOTEOFF; midiEvent.data.note.channel = static_cast(note.channel); midiEvent.data.note.note = note.note; midiEvent.data.note.velocity = note.velo; } pData->extNotes.mutex.unlock(); } // End of MIDI Input (External) // ---------------------------------------------------------------------------------------------------- // Event Input (System) bool allNotesOffSent = false; const bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0; uint32_t numEvents = pData->event.portIn->getEventCount(); uint32_t startTime = 0; uint32_t timeOffset = 0; uint32_t nextBankId; if (pData->midiprog.current >= 0 && pData->midiprog.count > 0) nextBankId = pData->midiprog.data[pData->midiprog.current].bank; else nextBankId = 0; for (uint32_t i=0; i < numEvents; ++i) { const EngineEvent& event(pData->event.portIn->getEvent(i)); if (event.time >= frames) continue; CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset); if (isSampleAccurate && event.time > timeOffset) { if (processSingle(inBuffer, outBuffer, event.time - timeOffset, timeOffset, midiEventCount)) { startTime = 0; timeOffset = event.time; midiEventCount = 0; if (pData->midiprog.current >= 0 && pData->midiprog.count > 0) nextBankId = pData->midiprog.data[pData->midiprog.current].bank; else nextBankId = 0; } else startTime += timeOffset; } switch (event.type) { case kEngineEventTypeNull: break; case kEngineEventTypeControl: { const EngineControlEvent& ctrlEvent(event.ctrl); switch (ctrlEvent.type) { case kEngineControlEventTypeNull: break; case kEngineControlEventTypeParameter: { #ifndef BUILD_BRIDGE // Control backend stuff if (event.channel == pData->ctrlChannel) { float value; if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0) { value = ctrlEvent.value; setDryWet(value, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value); break; } if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0) { value = ctrlEvent.value*127.0f/100.0f; setVolume(value, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value); break; } if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0) { float left, right; value = ctrlEvent.value/0.5f - 1.0f; if (value < 0.0f) { left = -1.0f; right = (value*2.0f)+1.0f; } else if (value > 0.0f) { left = (value*2.0f)-1.0f; right = 1.0f; } else { left = -1.0f; right = 1.0f; } setBalanceLeft(left, false, false); setBalanceRight(right, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right); break; } } #endif // Control plugin parameters uint32_t k; for (k=0; k < pData->param.count; ++k) { if (pData->param.data[k].midiChannel != event.channel) continue; if (pData->param.data[k].midiCC != ctrlEvent.param) continue; if (pData->param.data[k].type != PARAMETER_INPUT) continue; if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0) continue; float value; if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN) { value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max; } else { value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value); if (pData->param.data[k].hints & PARAMETER_IS_INTEGER) value = std::rint(value); } setParameterValue(k, value, false, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast(k), 0, value); break; } // check if event is already handled if (k != pData->param.count) break; if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param <= 0x5F) { if (midiEventCount >= kPluginMaxMidiEvents) continue; snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]); carla_zeroStruct(midiEvent); midiEvent.time.tick = isSampleAccurate ? startTime : event.time; midiEvent.type = SND_SEQ_EVENT_CONTROLLER; midiEvent.data.control.channel = event.channel; midiEvent.data.control.param = ctrlEvent.param; midiEvent.data.control.value = int8_t(ctrlEvent.value*127.0f); } break; } // case kEngineControlEventTypeParameter case kEngineControlEventTypeMidiBank: if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0) nextBankId = ctrlEvent.param; break; case kEngineControlEventTypeMidiProgram: if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0) { const uint32_t nextProgramId = ctrlEvent.param; for (uint32_t k=0; k < pData->midiprog.count; ++k) { if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId) { const int32_t index(static_cast(k)); setMidiProgram(index, false, false, false); pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f); break; } } } break; case kEngineControlEventTypeAllSoundOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { if (midiEventCount >= kPluginMaxMidiEvents) continue; snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]); carla_zeroStruct(midiEvent); midiEvent.time.tick = isSampleAccurate ? startTime : event.time; midiEvent.type = SND_SEQ_EVENT_CONTROLLER; midiEvent.data.control.channel = event.channel; midiEvent.data.control.param = MIDI_CONTROL_ALL_SOUND_OFF; } break; case kEngineControlEventTypeAllNotesOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { if (event.channel == pData->ctrlChannel && ! allNotesOffSent) { allNotesOffSent = true; sendMidiAllNotesOffToCallback(); } if (midiEventCount >= kPluginMaxMidiEvents) continue; snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount++]); carla_zeroStruct(midiEvent); midiEvent.time.tick = isSampleAccurate ? startTime : event.time; midiEvent.type = SND_SEQ_EVENT_CONTROLLER; midiEvent.data.control.channel = event.channel; midiEvent.data.control.param = MIDI_CONTROL_ALL_NOTES_OFF; midiEventCount += 1; } break; } // switch (ctrlEvent.type) break; } // case kEngineEventTypeControl case kEngineEventTypeMidi: { if (midiEventCount >= kPluginMaxMidiEvents) continue; const EngineMidiEvent& engineEvent(event.midi); uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(engineEvent.data)); uint8_t channel = event.channel; // Fix bad note-off (per DSSI spec) if (MIDI_IS_STATUS_NOTE_ON(status) && engineEvent.data[2] == 0) status = MIDI_STATUS_NOTE_OFF; snd_seq_event_t& midiEvent(fMidiEvents[midiEventCount]); carla_zeroStruct(midiEvent); midiEvent.time.tick = isSampleAccurate ? startTime : event.time; switch (status) { case MIDI_STATUS_NOTE_OFF: { const uint8_t note = engineEvent.data[1]; midiEvent.type = SND_SEQ_EVENT_NOTEOFF; midiEvent.data.note.channel = channel; midiEvent.data.note.note = note; pData->postponeRtEvent(kPluginPostRtEventNoteOff, channel, note, 0.0f); break; } case MIDI_STATUS_NOTE_ON: { const uint8_t note = engineEvent.data[1]; const uint8_t velo = engineEvent.data[2]; midiEvent.type = SND_SEQ_EVENT_NOTEON; midiEvent.data.note.channel = channel; midiEvent.data.note.note = note; midiEvent.data.note.velocity = velo; pData->postponeRtEvent(kPluginPostRtEventNoteOn, channel, note, velo); break; } case MIDI_STATUS_POLYPHONIC_AFTERTOUCH: if (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) { const uint8_t note = engineEvent.data[1]; const uint8_t pressure = engineEvent.data[2]; midiEvent.type = SND_SEQ_EVENT_KEYPRESS; midiEvent.data.note.channel = channel; midiEvent.data.note.note = note; midiEvent.data.note.velocity = pressure; } break; case MIDI_STATUS_CONTROL_CHANGE: if (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) { const uint8_t control = engineEvent.data[1]; const uint8_t value = engineEvent.data[2]; midiEvent.type = SND_SEQ_EVENT_CONTROLLER; midiEvent.data.control.channel = channel; midiEvent.data.control.param = control; midiEvent.data.control.value = value; } break; case MIDI_STATUS_CHANNEL_PRESSURE: if (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) { const uint8_t pressure = engineEvent.data[1]; midiEvent.type = SND_SEQ_EVENT_CHANPRESS; midiEvent.data.control.channel = channel; midiEvent.data.control.value = pressure; } break; case MIDI_STATUS_PITCH_WHEEL_CONTROL: if (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) { const uint8_t lsb = engineEvent.data[1]; const uint8_t msb = engineEvent.data[2]; midiEvent.type = SND_SEQ_EVENT_PITCHBEND; midiEvent.data.control.channel = channel; midiEvent.data.control.value = ((msb << 7) | lsb) - 8192; } break; default: continue; break; } // switch (status) midiEventCount += 1; break; } // case kEngineEventTypeMidi } // switch (event.type) } pData->postRtEvents.trySplice(); if (frames > timeOffset) processSingle(inBuffer, outBuffer, frames - timeOffset, timeOffset, midiEventCount); } // End of Event Input and Processing // -------------------------------------------------------------------------------------------------------- // Plugin processing (no events) else { processSingle(inBuffer, outBuffer, frames, 0, midiEventCount); } // End of Plugin processing (no events) #ifndef BUILD_BRIDGE // -------------------------------------------------------------------------------------------------------- // Latency, save values for next callback if (fLatencyIndex != -1) { if (pData->latency != static_cast(fParamBuffers[fLatencyIndex])) { fLatencyChanged = true; } else if (pData->latency > 0) { if (pData->latency <= frames) { for (uint32_t i=0; i < pData->audioIn.count; ++i) FLOAT_COPY(pData->latencyBuffers[i], inBuffer[i]+(frames-pData->latency), pData->latency); } else { for (uint32_t i=0, j, k; i < pData->audioIn.count; ++i) { for (k=0; k < pData->latency-frames; ++k) pData->latencyBuffers[i][k] = pData->latencyBuffers[i][k+frames]; for (j=0; k < pData->latency; ++j, ++k) pData->latencyBuffers[i][k] = inBuffer[i][j]; } } } } #endif // -------------------------------------------------------------------------------------------------------- // Control Output if (pData->event.portOut != nullptr) { uint8_t channel; uint16_t param; float value; for (uint32_t k=0; k < pData->param.count; ++k) { if (pData->param.data[k].type != PARAMETER_OUTPUT) continue; pData->param.ranges[k].fixValue(fParamBuffers[k]); if (pData->param.data[k].midiCC > 0) { channel = pData->param.data[k].midiChannel; param = static_cast(pData->param.data[k].midiCC); value = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]); pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value); } } } // End of Control Output } bool processSingle(float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset, const ulong midiEventCount) { CARLA_SAFE_ASSERT_RETURN(frames > 0, false); if (pData->audioIn.count > 0) { CARLA_SAFE_ASSERT_RETURN(inBuffer != nullptr, false); } if (pData->audioOut.count > 0) { CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false); } // -------------------------------------------------------------------------------------------------------- // Try lock, silence otherwise if (pData->engine->isOffline()) { pData->singleMutex.lock(); } else if (! pData->singleMutex.tryLock()) { for (uint32_t i=0; i < pData->audioOut.count; ++i) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k+timeOffset] = 0.0f; } return false; } // -------------------------------------------------------------------------------------------------------- // Reset audio buffers for (uint32_t i=0; i < pData->audioIn.count; ++i) FLOAT_COPY(fAudioInBuffers[i], inBuffer[i]+timeOffset, frames); for (uint32_t i=0; i < pData->audioOut.count; ++i) FLOAT_CLEAR(fAudioOutBuffers[i], frames); // -------------------------------------------------------------------------------------------------------- // Run plugin // TODO - try catch if (fDssiDescriptor->run_synth != nullptr) { fDssiDescriptor->run_synth(fHandle, frames, fMidiEvents, midiEventCount); if (fHandle2 != nullptr) fDssiDescriptor->run_synth(fHandle2, frames, fMidiEvents, midiEventCount); } else if (fDssiDescriptor->run_multiple_synths != nullptr) { ulong instances = (fHandle2 != nullptr) ? 2 : 1; LADSPA_Handle handlePtr[2] = { fHandle, fHandle2 }; snd_seq_event_t* midiEventsPtr[2] = { fMidiEvents, fMidiEvents }; ulong midiEventCountPtr[2] = { midiEventCount, midiEventCount }; fDssiDescriptor->run_multiple_synths(instances, handlePtr, frames, midiEventsPtr, midiEventCountPtr); } else { fDescriptor->run(fHandle, frames); if (fHandle2 != nullptr) fDescriptor->run(fHandle2, frames); } #ifndef BUILD_BRIDGE // -------------------------------------------------------------------------------------------------------- // Post-processing (dry/wet, volume and balance) { const bool doDryWet = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && pData->postProc.dryWet != 1.0f; const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && (pData->postProc.balanceLeft != -1.0f || pData->postProc.balanceRight != 1.0f); const bool isMono = (pData->audioIn.count == 1); bool isPair; float bufValue, oldBufLeft[doBalance ? frames : 1]; for (uint32_t i=0; i < pData->audioOut.count; ++i) { // Dry/Wet if (doDryWet) { for (uint32_t k=0; k < frames; ++k) { if (k < pData->latency) bufValue = pData->latencyBuffers[isMono ? 0 : i][k]; else if (pData->latency < frames) bufValue = fAudioInBuffers[isMono ? 0 : i][k-pData->latency]; else bufValue = fAudioInBuffers[isMono ? 0 : i][k]; fAudioOutBuffers[i][k] = (fAudioOutBuffers[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet)); } } // Balance if (doBalance) { isPair = (i % 2 == 0); if (isPair) { CARLA_ASSERT(i+1 < pData->audioOut.count); FLOAT_COPY(oldBufLeft, fAudioOutBuffers[i], frames); } float balRangeL = (pData->postProc.balanceLeft + 1.0f)/2.0f; float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f; for (uint32_t k=0; k < frames; ++k) { if (isPair) { // left fAudioOutBuffers[i][k] = oldBufLeft[k] * (1.0f - balRangeL); fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR); } else { // right fAudioOutBuffers[i][k] = fAudioOutBuffers[i][k] * balRangeR; fAudioOutBuffers[i][k] += oldBufLeft[k] * balRangeL; } } } // Volume (and buffer copy) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume; } } } // End of Post-processing #else // BUILD_BRIDGE for (uint32_t i=0; i < pData->audioOut.count; ++i) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k+timeOffset] = fAudioOutBuffers[i][k]; } #endif // -------------------------------------------------------------------------------------------------------- pData->singleMutex.unlock(); return true; } void bufferSizeChanged(const uint32_t newBufferSize) override { CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize); carla_debug("DssiPlugin::bufferSizeChanged(%i) - start", newBufferSize); for (uint32_t i=0; i < pData->audioIn.count; ++i) { if (fAudioInBuffers[i] != nullptr) delete[] fAudioInBuffers[i]; fAudioInBuffers[i] = new float[newBufferSize]; } for (uint32_t i=0; i < pData->audioOut.count; ++i) { if (fAudioOutBuffers[i] != nullptr) delete[] fAudioOutBuffers[i]; fAudioOutBuffers[i] = new float[newBufferSize]; } if (fHandle2 == nullptr) { for (uint32_t i=0; i < pData->audioIn.count; ++i) { CARLA_ASSERT(fAudioInBuffers[i] != nullptr); try { fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]); } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input"); } for (uint32_t i=0; i < pData->audioOut.count; ++i) { CARLA_ASSERT(fAudioOutBuffers[i] != nullptr); try { fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]); } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output"); } } else { if (pData->audioIn.count > 0) { CARLA_ASSERT(pData->audioIn.count == 2); CARLA_ASSERT(fAudioInBuffers[0] != nullptr); CARLA_ASSERT(fAudioInBuffers[1] != nullptr); try { fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]); } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #1"); try { fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]); } CARLA_SAFE_EXCEPTION("DSSI connect_port audio input #2"); } if (pData->audioOut.count > 0) { CARLA_ASSERT(pData->audioOut.count == 2); CARLA_ASSERT(fAudioOutBuffers[0] != nullptr); CARLA_ASSERT(fAudioOutBuffers[1] != nullptr); try { fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]); } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #1"); try { fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]); } CARLA_SAFE_EXCEPTION("DSSI connect_port audio output #2"); } } carla_debug("DssiPlugin::bufferSizeChanged(%i) - end", newBufferSize); } void sampleRateChanged(const double newSampleRate) override { CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate); carla_debug("DssiPlugin::sampleRateChanged(%g) - start", newSampleRate); // TODO (void)newSampleRate; carla_debug("DssiPlugin::sampleRateChanged(%g) - end", newSampleRate); } // ------------------------------------------------------------------- // Plugin buffers void clearBuffers() noexcept override { carla_debug("DssiPlugin::clearBuffers() - start"); if (fAudioInBuffers != nullptr) { for (uint32_t i=0; i < pData->audioIn.count; ++i) { if (fAudioInBuffers[i] != nullptr) { delete[] fAudioInBuffers[i]; fAudioInBuffers[i] = nullptr; } } delete[] fAudioInBuffers; fAudioInBuffers = nullptr; } if (fAudioOutBuffers != nullptr) { for (uint32_t i=0; i < pData->audioOut.count; ++i) { if (fAudioOutBuffers[i] != nullptr) { delete[] fAudioOutBuffers[i]; fAudioOutBuffers[i] = nullptr; } } delete[] fAudioOutBuffers; fAudioOutBuffers = nullptr; } if (fParamBuffers != nullptr) { delete[] fParamBuffers; fParamBuffers = nullptr; } CarlaPlugin::clearBuffers(); carla_debug("DssiPlugin::clearBuffers() - end"); } // ------------------------------------------------------------------- // Post-poned UI Stuff void uiParameterChange(const uint32_t index, const float value) noexcept override { CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,); if (pData->osc.data.target == nullptr) return; osc_send_control(pData->osc.data, pData->param.data[index].rindex, value); } void uiMidiProgramChange(const uint32_t index) noexcept override { CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,); if (pData->osc.data.target == nullptr) return; osc_send_program(pData->osc.data, pData->midiprog.data[index].bank, pData->midiprog.data[index].program); } void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override { CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,); CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,); CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,); if (pData->osc.data.target == nullptr) return; #if 0 uint8_t midiData[4]; midiData[0] = 0; midiData[1] = static_cast(MIDI_STATUS_NOTE_ON + channel); midiData[2] = note; midiData[3] = velo; osc_send_midi(pData->osc.data, midiData); #endif } void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override { CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,); CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,); if (pData->osc.data.target == nullptr) return; #if 0 uint8_t midiData[4]; midiData[0] = 0; midiData[1] = static_cast(MIDI_STATUS_NOTE_OFF + channel); midiData[2] = note; midiData[3] = 0; osc_send_midi(pData->osc.data, midiData); #endif } // ------------------------------------------------------------------- const void* getExtraStuff() const noexcept override { return fUiFilename; } bool init(const char* const filename, const char* const name, const char* const label) { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false); // --------------------------------------------------------------- // first checks if (pData->client != nullptr) { pData->engine->setLastError("Plugin client is already registered"); return false; } if (filename == nullptr || filename[0] == '\0') { pData->engine->setLastError("null filename"); return false; } if (label == nullptr || label[0] == '\0') { pData->engine->setLastError("null label"); return false; } // --------------------------------------------------------------- // open DLL if (! pData->libOpen(filename)) { pData->engine->setLastError(pData->libError(filename)); return false; } // --------------------------------------------------------------- // get DLL main entry const DSSI_Descriptor_Function descFn = (DSSI_Descriptor_Function)pData->libSymbol("dssi_descriptor"); if (descFn == nullptr) { pData->engine->setLastError("Could not find the DSSI Descriptor in the plugin library"); return false; } // --------------------------------------------------------------- // get descriptor that matches label ulong i = 0; for (;;) { try { fDssiDescriptor = descFn(i++); } catch(...) { carla_stderr2("Caught exception when trying to get LADSPA descriptor"); fDescriptor = nullptr; fDssiDescriptor = nullptr; break; } if (fDssiDescriptor == nullptr) break; fDescriptor = fDssiDescriptor->LADSPA_Plugin; if (fDescriptor == nullptr) { carla_stderr2("WARNING - Missing LADSPA interface, will not use this plugin"); fDssiDescriptor = nullptr; break; } if (fDescriptor->Label == nullptr || fDescriptor->Label[0] == '\0') { carla_stderr2("WARNING - Got an invalid label, will not use this plugin"); fDescriptor = nullptr; fDssiDescriptor = nullptr; break; } if (fDescriptor->run == nullptr) { carla_stderr2("WARNING - Plugin has no run, cannot use it"); fDescriptor = nullptr; fDssiDescriptor = nullptr; break; } if (std::strcmp(fDescriptor->Label, label) == 0) break; } if (fDescriptor == nullptr || fDssiDescriptor == nullptr) { pData->engine->setLastError("Could not find the requested plugin label in the plugin library"); return false; } // --------------------------------------------------------------- // check if uses global instance if (fDssiDescriptor->run_synth == nullptr && fDssiDescriptor->run_multiple_synths != nullptr) { if (! addUniqueMultiSynth(fDescriptor->Label)) { pData->engine->setLastError("This plugin uses a global instance and can't be used more than once safely"); return false; } } // --------------------------------------------------------------- // get info if (name != nullptr && name[0] != '\0') pData->name = pData->engine->getUniquePluginName(name); else if (fDescriptor->Name != nullptr && fDescriptor->Name[0] != '\0') pData->name = pData->engine->getUniquePluginName(fDescriptor->Name); else pData->name = pData->engine->getUniquePluginName(fDescriptor->Label); pData->filename = carla_strdup(filename); // --------------------------------------------------------------- // register client pData->client = pData->engine->addClient(this); if (pData->client == nullptr || ! pData->client->isOk()) { pData->engine->setLastError("Failed to register plugin client"); return false; } // --------------------------------------------------------------- // initialize plugin try { fHandle = fDescriptor->instantiate(fDescriptor, (ulong)pData->engine->getSampleRate()); } CARLA_SAFE_EXCEPTION("DSSI instantiate"); if (fHandle == nullptr) { pData->engine->setLastError("Plugin failed to initialize"); return false; } // --------------------------------------------------------------- // check for custom data extension if (fDssiDescriptor->configure != nullptr) { if (char* const error = fDssiDescriptor->configure(fHandle, DSSI_CUSTOMDATA_EXTENSION_KEY, "")) { if (std::strcmp(error, "true") == 0 && fDssiDescriptor->get_custom_data != nullptr && fDssiDescriptor->set_custom_data != nullptr) fUsesCustomData = true; std::free(error); } } // --------------------------------------------------------------- // gui stuff if (const char* const guiFilename = find_dssi_ui(filename, fDescriptor->Label)) { pData->osc.thread.setOscData(guiFilename, fDescriptor->Label); fUiFilename = guiFilename; } // --------------------------------------------------------------- // load plugin settings { #ifdef __USE_GNU const bool isDssiVst(strcasestr(pData->filename, "dssi-vst") != nullptr); #else const bool isDssiVst(std::strstr(pData->filename, "dssi-vst") != nullptr); #endif // set default options pData->options = 0x0; pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; if (fLatencyIndex >= 0 || isDssiVst) pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; if (pData->engine->getOptions().forceStereo) pData->options |= PLUGIN_OPTION_FORCE_STEREO; if (fUsesCustomData) pData->options |= PLUGIN_OPTION_USE_CHUNKS; if (fDssiDescriptor->run_synth != nullptr || fDssiDescriptor->run_multiple_synths != nullptr) { pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE; pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH; pData->options |= PLUGIN_OPTION_SEND_PITCHBEND; pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF; if (fDssiDescriptor->run_synth == nullptr) carla_stderr("WARNING: Plugin can ONLY use run_multiple_synths!"); } #ifndef BUILD_BRIDGE // set identifier string CarlaString identifier("DSSI/"); if (const char* const shortname = std::strrchr(filename, OS_SEP)) { identifier += shortname+1; identifier += ","; } identifier += label; pData->identifier = identifier.dup(); // load settings pData->options = pData->loadSettings(pData->options, getOptionsAvailable()); // ignore settings, we need this anyway if (fLatencyIndex >= 0 || isDssiVst) pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; #endif } return true; } // ------------------------------------------------------------------- private: LADSPA_Handle fHandle; LADSPA_Handle fHandle2; const LADSPA_Descriptor* fDescriptor; const DSSI_Descriptor* fDssiDescriptor; bool fUsesCustomData; const char* fUiFilename; float** fAudioInBuffers; float** fAudioOutBuffers; float* fParamBuffers; bool fLatencyChanged; int32_t fLatencyIndex; // -1 if invalid snd_seq_event_t fMidiEvents[kPluginMaxMidiEvents]; // ------------------------------------------------------------------- uint32_t getSafePortCount() const noexcept { if (fDescriptor->PortCount == 0) return 0; CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortDescriptors != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortRangeHints != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(fDescriptor->PortNames != nullptr, 0); return static_cast(fDescriptor->PortCount); } bool getSeparatedParameterNameOrUnit(const char* const paramName, char* const strBuf, const bool wantName) const noexcept { if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, true)) return true; if (_getSeparatedParameterNameOrUnitImpl(paramName, strBuf, wantName, false)) return true; return false; } bool _getSeparatedParameterNameOrUnitImpl(const char* const paramName, char* const strBuf, const bool wantName, const bool useBracket) const noexcept { const char* const sepBracketStart(std::strstr(paramName, useBracket ? " [" : " (")); if (sepBracketStart == nullptr) return false; const char* const sepBracketEnd(std::strstr(sepBracketStart, useBracket ? "]" : ")")); if (sepBracketEnd == nullptr) return false; const size_t unitSize(static_cast(sepBracketEnd-sepBracketStart-2)); if (unitSize > 7) // very unlikely to have such big unit return false; const size_t sepIndex(std::strlen(paramName)-unitSize-3); // just in case if (sepIndex > STR_MAX) return false; if (wantName) { std::strncpy(strBuf, paramName, sepIndex); strBuf[sepIndex] = '\0'; } else { std::strncpy(strBuf, paramName+(sepIndex+2), unitSize); strBuf[unitSize] = '\0'; } return true; } // ------------------------------------------------------------------- static LinkedList sMultiSynthList; static bool addUniqueMultiSynth(const char* const label) noexcept { CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0', false); const char* dlabel = nullptr; try { dlabel = carla_strdup(label); } catch(...) { return false; } for (LinkedList::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next()) { const char* const itLabel(it.getValue()); if (std::strcmp(dlabel, itLabel) == 0) { delete[] dlabel; return false; } } return sMultiSynthList.append(dlabel); } static void removeUniqueMultiSynth(const char* const label) noexcept { CARLA_SAFE_ASSERT_RETURN(label != nullptr && label[0] != '\0',); for (LinkedList::Itenerator it = sMultiSynthList.begin(); it.valid(); it.next()) { const char* const itLabel(it.getValue()); if (std::strcmp(label, itLabel) == 0) { sMultiSynthList.remove(it); delete[] itLabel; break; } } } // ------------------------------------------------------------------- CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DssiPlugin) }; LinkedList DssiPlugin::sMultiSynthList; CARLA_BACKEND_END_NAMESPACE #endif // WANT_DSSI // ------------------------------------------------------------------------------------------------------------------- CARLA_BACKEND_START_NAMESPACE CarlaPlugin* CarlaPlugin::newDSSI(const Initializer& init) { carla_debug("CarlaPlugin::newDSSI({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.label, init.uniqueId); #ifdef WANT_DSSI DssiPlugin* const plugin(new DssiPlugin(init.engine, init.id)); if (! plugin->init(init.filename, init.name, init.label)) { delete plugin; return nullptr; } plugin->reload(); if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && ! plugin->canRunInRack()) { init.engine->setLastError("Carla's rack mode can only work with Mono or Stereo DSSI plugins, sorry!"); delete plugin; return nullptr; } return plugin; #else init.engine->setLastError("DSSI support not available"); return nullptr; #endif } CARLA_BACKEND_END_NAMESPACE // -------------------------------------------------------------------------------------------------------------------