/* * Carla LinuxSampler 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. */ /* TODO * - implement buffer size changes * - implement sample rate changes * - call outDev->ReconnectAll() after changing buffer size or sample rate * - use CARLA_SAFE_ASSERT_RETURN with err * - pianoteq-like SetNoteOnVelocityFilter drawing points widget * - voice count param */ #include "CarlaPluginInternal.hpp" #include "CarlaEngine.hpp" #ifdef HAVE_LINUXSAMPLER #include "CarlaBackendUtils.hpp" #include "CarlaMathUtils.hpp" #include "juce_core.h" #include "linuxsampler/EngineFactory.h" #include // ----------------------------------------------------------------------- namespace LinuxSampler { using CarlaBackend::CarlaEngine; using CarlaBackend::CarlaPlugin; // ----------------------------------------------------------------------- // LinuxSampler static values static const float kVolumeMax = 3.16227766f; // +10 dB static const uint kMaxStreams = 90*2; // default is not *2 static const uint kMaxVoices = 64*2; // ----------------------------------------------------------------------- // LinuxSampler AudioOutputDevice Plugin class AudioOutputDevicePlugin : public AudioOutputDevice { public: AudioOutputDevicePlugin(const CarlaEngine* const engine, const CarlaPlugin* const plugin, const bool uses16Outs) : AudioOutputDevice(std::map()), kEngine(engine), kPlugin(plugin) { CARLA_ASSERT(engine != nullptr); CARLA_ASSERT(plugin != nullptr); AcquireChannels(uses16Outs ? 32 : 2); } ~AudioOutputDevicePlugin() override {} // ------------------------------------------------------------------- // LinuxSampler virtual methods void Play() override {} void Stop() override {} bool IsPlaying() override { return (kEngine->isRunning() && kPlugin->isEnabled()); } uint MaxSamplesPerCycle() override { return kEngine->getBufferSize(); } uint SampleRate() override { return uint(kEngine->getSampleRate()); } std::string Driver() override { return "AudioOutputDevicePlugin"; } AudioChannel* CreateChannel(uint channelNr) override { return new AudioChannel(channelNr, nullptr, 0); } // ------------------------------------------------------------------- /* */ bool isAutonomousDevice() override { return false; } static bool isAutonomousDriver() { return false; } // ------------------------------------------------------------------- // Give public access to the RenderAudio call int Render(const uint samples) { return RenderAudio(samples); } // ------------------------------------------------------------------- private: const CarlaEngine* const kEngine; const CarlaPlugin* const kPlugin; CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(AudioOutputDevicePlugin) }; // ----------------------------------------------------------------------- // LinuxSampler MidiInputPort Plugin class MidiInputPortPlugin : public MidiInputPort { public: MidiInputPortPlugin(MidiInputDevice* const device, const int portNum = 0) : MidiInputPort(device, portNum) {} CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(MidiInputPortPlugin) }; // ----------------------------------------------------------------------- // LinuxSampler MidiInputDevice Plugin class MidiInputDevicePlugin : public MidiInputDevice { public: MidiInputDevicePlugin(Sampler* const sampler) : MidiInputDevice(std::map(), sampler) { AcquirePorts(1); } ~MidiInputDevicePlugin() override { for (std::map::iterator it = Ports.begin(), end = Ports.end(); it != end; ++it) delete dynamic_cast(it->second); Ports.clear(); } // ------------------------------------------------------------------- // LinuxSampler virtual methods void Listen() override {} void StopListen() override {} std::string Driver() override { return "MidiInputDevicePlugin"; } MidiInputPort* CreateMidiPort() override { return new MidiInputPortPlugin(this, int(PortCount())); } // ------------------------------------------------------------------- /* */ bool isAutonomousDevice() override { return false; } static bool isAutonomousDriver() { return false; } // ------------------------------------------------------------------- CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(MidiInputDevicePlugin) }; } // namespace LinuxSampler // ----------------------------------------------------------------------- using juce::File; using juce::SharedResourcePointer; using juce::StringArray; CARLA_BACKEND_START_NAMESPACE // ----------------------------------------------------------------------- class CarlaPluginLinuxSampler : public CarlaPlugin { public: CarlaPluginLinuxSampler(CarlaEngine* const engine, const uint id, const bool isGIG, const bool use16Outs) : CarlaPlugin(engine, id), kIsGIG(isGIG), kUses16Outs(use16Outs && isGIG), kMaxChannels(isGIG ? MAX_MIDI_CHANNELS : 1), fLabel(nullptr), fMaker(nullptr), fRealName(nullptr), sSampler(), fAudioOutputDevice(engine, this, kUses16Outs), fMidiInputDevice(sSampler), fMidiInputPort(nullptr), fInstrumentIds(), fInstrumentInfo() { carla_debug("CarlaPluginLinuxSampler::CarlaPluginLinuxSampler(%p, %i, %s, %s)", engine, id, bool2str(isGIG), bool2str(use16Outs)); // TODO - option for this sSampler->SetGlobalMaxStreams(LinuxSampler::kMaxStreams); sSampler->SetGlobalMaxVoices(LinuxSampler::kMaxVoices); carla_zeroStructs(fCurProgs, MAX_MIDI_CHANNELS); carla_zeroStructs(fSamplerChannels, MAX_MIDI_CHANNELS); carla_zeroStructs(fEngineChannels, MAX_MIDI_CHANNELS); carla_zeroFloats(fParamBuffers, LinuxSamplerParametersMax); if (use16Outs && ! isGIG) carla_stderr("Tried to use SFZ with 16 stereo outs, this doesn't make much sense so single stereo mode will be used instead"); } ~CarlaPluginLinuxSampler() override { carla_debug("CarlaPluginLinuxSampler::~CarlaPluginLinuxSampler()"); pData->singleMutex.lock(); pData->masterMutex.lock(); if (pData->client != nullptr && pData->client->isActive()) pData->client->deactivate(); if (pData->active) { deactivate(); pData->active = false; } fMidiInputPort = nullptr; for (uint i=0; iDisconnectAudioOutputDevice(); fEngineChannels[i]->DisconnectAllMidiInputPorts(); fEngineChannels[i] = nullptr; } sSampler->RemoveSamplerChannel(fSamplerChannels[i]); fSamplerChannels[i] = nullptr; } } fInstrumentIds.clear(); fInstrumentInfo.clear(); if (fLabel != nullptr) { delete[] fLabel; fLabel = nullptr; } if (fMaker != nullptr) { delete[] fMaker; fMaker = nullptr; } if (fRealName != nullptr) { delete[] fRealName; fRealName = nullptr; } clearBuffers(); } // ------------------------------------------------------------------- // Information (base) PluginType getType() const noexcept override { return kIsGIG ? PLUGIN_GIG : PLUGIN_SFZ; } PluginCategory getCategory() const noexcept override { return PLUGIN_CATEGORY_SYNTH; } // ------------------------------------------------------------------- // Information (count) // nothing // ------------------------------------------------------------------- // Information (current data) // nothing // ------------------------------------------------------------------- // Information (per-plugin data) uint getOptionsAvailable() const noexcept override { uint options = 0x0; 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; if (kIsGIG) options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; return options; } float getParameterValue(const uint32_t parameterId) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f); return fParamBuffers[parameterId]; } void getLabel(char* const strBuf) const noexcept override { if (fLabel != nullptr) { std::strncpy(strBuf, fLabel, STR_MAX); return; } CarlaPlugin::getLabel(strBuf); } void getMaker(char* const strBuf) const noexcept override { if (fMaker != nullptr) { std::strncpy(strBuf, fMaker, STR_MAX); return; } CarlaPlugin::getMaker(strBuf); } void getCopyright(char* const strBuf) const noexcept override { getMaker(strBuf); } void getRealName(char* const strBuf) const noexcept override { if (fRealName != nullptr) { std::strncpy(strBuf, fRealName, STR_MAX); return; } CarlaPlugin::getRealName(strBuf); } void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); switch (parameterId) { case LinuxSamplerDiskStreamCount: std::strncpy(strBuf, "Disk Stream Count", STR_MAX); return; case LinuxSamplerVoiceCount: std::strncpy(strBuf, "Voice Count", STR_MAX); return; } CarlaPlugin::getParameterName(parameterId, strBuf); } // ------------------------------------------------------------------- // Set data (state) void prepareForSave() override { if (kMaxChannels > 1 && fInstrumentIds.size() > 1) { char strBuf[STR_MAX+1]; std::snprintf(strBuf, STR_MAX, "%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i:%i", fCurProgs[0], fCurProgs[1], fCurProgs[2], fCurProgs[3], fCurProgs[4], fCurProgs[5], fCurProgs[6], fCurProgs[7], fCurProgs[8], fCurProgs[9], fCurProgs[10], fCurProgs[11], fCurProgs[12], fCurProgs[13], fCurProgs[14], fCurProgs[15]); CarlaPlugin::setCustomData(CUSTOM_DATA_TYPE_STRING, "programs", strBuf, false); } } // ------------------------------------------------------------------- // Set data (internal stuff) void setCtrlChannel(const int8_t channel, const bool sendOsc, const bool sendCallback) noexcept override { if (channel >= 0 && channel < MAX_MIDI_CHANNELS) pData->prog.current = static_cast(fCurProgs[channel]); CarlaPlugin::setCtrlChannel(channel, sendOsc, sendCallback); } // ------------------------------------------------------------------- // Set data (plugin-specific stuff) void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override { CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(value != nullptr && value[0] != '\0',); carla_debug("CarlaPluginLinuxSampler::setCustomData(%s, \"%s\", \"%s\", %s)", type, key, value, bool2str(sendGui)); if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0) return CarlaPlugin::setCustomData(type, key, value, sendGui); if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) != 0) return carla_stderr2("CarlaPluginLinuxSampler::setCustomData(\"%s\", \"%s\", \"%s\", %s) - type is not string", type, key, value, bool2str(sendGui)); if (std::strcmp(key, "programs") != 0) return carla_stderr2("CarlaPluginLinuxSampler::setCustomData(\"%s\", \"%s\", \"%s\", %s) - key is not programs", type, key, value, bool2str(sendGui)); if (kMaxChannels > 1 && fInstrumentIds.size() > 1) { StringArray programList(StringArray::fromTokens(value, ":", "")); if (programList.size() == MAX_MIDI_CHANNELS) { uint8_t channel = 0; for (juce::String *it=programList.begin(), *end=programList.end(); it != end; ++it) { const int index(it->getIntValue()); if (index >= 0) setProgramInternal(static_cast(index), channel, true, false); if (++channel >= MAX_MIDI_CHANNELS) break; } CARLA_SAFE_ASSERT(channel == MAX_MIDI_CHANNELS); } } CarlaPlugin::setCustomData(type, key, value, sendGui); } void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override { CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback,); // never call this from RT CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast(pData->prog.count),); const int8_t channel(kIsGIG ? pData->ctrlChannel : int8_t(0)); if (index >= 0 && channel >= 0) setProgramInternal(static_cast(index), static_cast(channel), sendCallback, false); CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback); } void setProgramInternal(const uint32_t index, const uint8_t channel, const bool sendCallback, const bool inRtContent) noexcept { CARLA_SAFE_ASSERT_RETURN(index < pData->prog.count,); CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,); if (fCurProgs[channel] == index) return; LinuxSampler::EngineChannel* const engineChannel(fEngineChannels[kIsGIG ? channel : 0]); CARLA_SAFE_ASSERT_RETURN(engineChannel != nullptr,); const ScopedSingleProcessLocker spl(this, !inRtContent); if (pData->engine->isOffline()) { try { engineChannel->PrepareLoadInstrument(pData->filename, index); engineChannel->LoadInstrument(); } CARLA_SAFE_EXCEPTION("LoadInstrument"); } else { try { LinuxSampler::InstrumentManager::LoadInstrumentInBackground(fInstrumentIds[index], engineChannel); } CARLA_SAFE_EXCEPTION("LoadInstrumentInBackground"); } fCurProgs[channel] = index; if (pData->ctrlChannel == channel) { const int32_t iindex(static_cast(index)); pData->prog.current = iindex; if (inRtContent) pData->postponeRtEvent(kPluginPostRtEventProgramChange, iindex, 0, 0.0f); else if (sendCallback) pData->engine->callback(ENGINE_CALLBACK_PROGRAM_CHANGED, pData->id, iindex, 0, 0.0f, nullptr); } } // ------------------------------------------------------------------- // Set ui stuff // nothing // ------------------------------------------------------------------- // Plugin state void reload() override { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,); carla_debug("CarlaPluginLinuxSampler::reload() - start"); const EngineProcessMode processMode(pData->engine->getProccessMode()); // Safely disable plugin for reload const ScopedDisabler sd(this); if (pData->active) deactivate(); clearBuffers(); uint32_t aOuts, params; aOuts = kUses16Outs ? 32 : 2; params = LinuxSamplerParametersMax; pData->audioOut.createNew(aOuts); pData->param.createNew(params, false); const uint portNameSize(pData->engine->getMaxPortNameSize()); CarlaString portName; // --------------------------------------- // Audio Outputs if (kUses16Outs) { for (uint32_t i=0; i < 32; ++i) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "out-"; if ((i+2)/2 < 9) portName += "0"; portName += CarlaString((i+2)/2); if (i % 2 == 0) portName += "L"; else portName += "R"; portName.truncate(portNameSize); pData->audioOut.ports[i].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, i); pData->audioOut.ports[i].rindex = i; } } else { // out-left portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "out-left"; portName.truncate(portNameSize); pData->audioOut.ports[0].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 0); pData->audioOut.ports[0].rindex = 0; // out-right portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "out-right"; portName.truncate(portNameSize); pData->audioOut.ports[1].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1); pData->audioOut.ports[1].rindex = 1; } // --------------------------------------- // Event Input { 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, 0); } // --------------------------------------- // Parameters { int j; // ---------------------- j = LinuxSamplerDiskStreamCount; pData->param.data[j].type = PARAMETER_OUTPUT; pData->param.data[j].hints = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_INTEGER; pData->param.data[j].index = j; pData->param.data[j].rindex = j; pData->param.ranges[j].min = 0.0f; pData->param.ranges[j].max = LinuxSampler::kMaxStreams; pData->param.ranges[j].def = 0.0f; pData->param.ranges[j].step = 1.0f; pData->param.ranges[j].stepSmall = 1.0f; pData->param.ranges[j].stepLarge = 1.0f; // ---------------------- j = LinuxSamplerVoiceCount; pData->param.data[j].type = PARAMETER_OUTPUT; pData->param.data[j].hints = PARAMETER_IS_ENABLED | PARAMETER_IS_AUTOMABLE | PARAMETER_IS_INTEGER; pData->param.data[j].index = j; pData->param.data[j].rindex = j; pData->param.ranges[j].min = 0.0f; pData->param.ranges[j].max = LinuxSampler::kMaxVoices; pData->param.ranges[j].def = 0.0f; pData->param.ranges[j].step = 1.0f; pData->param.ranges[j].stepSmall = 1.0f; pData->param.ranges[j].stepLarge = 1.0f; for (j=0; jparam.ranges[j].def; } // --------------------------------------- // plugin hints pData->hints = 0x0; pData->hints |= PLUGIN_IS_SYNTH; pData->hints |= PLUGIN_CAN_VOLUME; if (! kUses16Outs) pData->hints |= PLUGIN_CAN_BALANCE; // extra plugin hints pData->extraHints = 0x0; pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN; if (kMaxChannels > 1 && fInstrumentIds.size() > 1) pData->hints |= PLUGIN_USES_MULTI_PROGS; if (! kUses16Outs) pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK; bufferSizeChanged(pData->engine->getBufferSize()); reloadPrograms(true); if (pData->active) activate(); carla_debug("CarlaPluginLinuxSampler::reload() - end"); } void reloadPrograms(bool doInit) override { carla_debug("CarlaPluginLinuxSampler::reloadPrograms(%s)", bool2str(doInit)); // Delete old programs pData->prog.clear(); // Query new programs const uint32_t count(static_cast(fInstrumentInfo.size())); // sound kits must always have at least 1 midi-program CARLA_SAFE_ASSERT_RETURN(count > 0,); pData->prog.createNew(count); // Update data for (uint32_t i=0; i < pData->prog.count; ++i) pData->prog.names[i] = carla_strdup_safe(fInstrumentInfo[i].InstrumentName.c_str()); #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE) // Update OSC Names if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount()) { pData->engine->oscSend_control_set_program_count(pData->id, count); for (uint32_t i=0; i < count; ++i) pData->engine->oscSend_control_set_program_name(pData->id, i, pData->prog.names[i]); } #endif if (doInit) { for (uint i=0; iprog.current = 0; } else { pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr); } } // ------------------------------------------------------------------- // Plugin processing #if 0 void activate() override { for (int i=0; i < MAX_MIDI_CHANNELS; ++i) { if (fAudioOutputDevices[i] != nullptr) fAudioOutputDevices[i]->Play(); } } void deactivate() override { for (int i=0; i < MAX_MIDI_CHANNELS; ++i) { if (fAudioOutputDevices[i] != nullptr) fAudioOutputDevices[i]->Stop(); } } #endif void process(const float** const, float** const audioOut, const float** const, float** const, 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) FloatVectorOperations::clear(audioOut[i], static_cast(frames)); fParamBuffers[LinuxSamplerDiskStreamCount] = 0.0f; fParamBuffers[LinuxSamplerVoiceCount] = 0.0f; return; } // -------------------------------------------------------------------------------------------------------- // Check if needs reset if (pData->needsReset) { if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { for (uint i=0; i < MAX_MIDI_CHANNELS; ++i) { fMidiInputPort->DispatchControlChange(MIDI_CONTROL_ALL_NOTES_OFF, 0, i); fMidiInputPort->DispatchControlChange(MIDI_CONTROL_ALL_SOUND_OFF, 0, i); } } else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS) { for (uint8_t i=0; i < MAX_MIDI_NOTE; ++i) fMidiInputPort->DispatchNoteOff(i, 0, uint(pData->ctrlChannel)); } pData->needsReset = false; } // -------------------------------------------------------------------------------------------------------- // Event Input and Processing { // ---------------------------------------------------------------------------------------------------- // MIDI Input (External) if (pData->extNotes.mutex.tryLock()) { for (RtLinkedList::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next()) { const ExternalMidiNote& note(it.getValue()); CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS); if (note.velo > 0) fMidiInputPort->DispatchNoteOn(note.note, note.velo, static_cast(note.channel)); else fMidiInputPort->DispatchNoteOff(note.note, note.velo, static_cast(note.channel)); } pData->extNotes.data.clear(); pData->extNotes.mutex.unlock(); } // End of MIDI Input (External) // ---------------------------------------------------------------------------------------------------- // Event Input (System) #ifndef BUILD_BRIDGE bool allNotesOffSent = false; #endif bool sampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0; uint32_t startTime = 0; uint32_t timeOffset = 0; for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i) { const EngineEvent& event(pData->event.portIn->getEvent(i)); CARLA_SAFE_ASSERT_CONTINUE(event.time < frames); CARLA_SAFE_ASSERT_BREAK(event.time >= timeOffset); if (event.time > timeOffset && sampleAccurate) { if (processSingle(audioOut, event.time - timeOffset, timeOffset)) { startTime = 0; timeOffset = event.time; } else startTime += timeOffset; } // Control change 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); } 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); } 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); } } #endif // Control plugin parameters for (uint32_t 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].hints != 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); } if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL) { fMidiInputPort->DispatchControlChange(uint8_t(ctrlEvent.param), uint8_t(ctrlEvent.value*127.0f), event.channel, static_cast(sampleAccurate ? startTime : event.time)); } break; } case kEngineControlEventTypeMidiBank: break; case kEngineControlEventTypeMidiProgram: if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) { setProgramInternal(ctrlEvent.param, event.channel, false, true); } break; case kEngineControlEventTypeAllSoundOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { fMidiInputPort->DispatchControlChange(MIDI_CONTROL_ALL_SOUND_OFF, 0, event.channel, static_cast(sampleAccurate ? startTime : event.time)); } break; case kEngineControlEventTypeAllNotesOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { #ifndef BUILD_BRIDGE if (event.channel == pData->ctrlChannel && ! allNotesOffSent) { allNotesOffSent = true; sendMidiAllNotesOffToCallback(); } #endif fMidiInputPort->DispatchControlChange(MIDI_CONTROL_ALL_NOTES_OFF, 0, event.channel, static_cast(sampleAccurate ? startTime : event.time)); } break; } break; } case kEngineEventTypeMidi: { const EngineMidiEvent& midiEvent(event.midi); const uint8_t* const midiData(midiEvent.size > EngineMidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data); uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiData)); if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0) continue; if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0) continue; if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0) continue; if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0) continue; // Fix bad note-off if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0) status = MIDI_STATUS_NOTE_OFF; // put back channel in data uint8_t midiData2[midiEvent.size]; midiData2[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT)); std::memcpy(midiData2+1, midiData+1, static_cast(midiEvent.size-1)); fMidiInputPort->DispatchRaw(midiData2, static_cast(sampleAccurate ? startTime : event.time)); if (status == MIDI_STATUS_NOTE_ON) pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiData[1], midiData[2]); else if (status == MIDI_STATUS_NOTE_OFF) pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiData[1], 0.0f); } break; } } pData->postRtEvents.trySplice(); if (frames > timeOffset) processSingle(audioOut, frames - timeOffset, timeOffset); } // End of Event Input and Processing // -------------------------------------------------------------------------------------------------------- // Parameter outputs uint diskStreamCount=0, voiceCount=0; for (uint i=0; iGetDiskStreamCount(); /**/ voiceCount += engineChannel->GetVoiceCount(); } fParamBuffers[LinuxSamplerDiskStreamCount] = static_cast(diskStreamCount); fParamBuffers[LinuxSamplerVoiceCount] = static_cast(voiceCount); } bool processSingle(float** const outBuffer, const uint32_t frames, const uint32_t timeOffset) { CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false); CARLA_SAFE_ASSERT_RETURN(frames > 0, 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; } // -------------------------------------------------------------------------------------------------------- // Run plugin for (uint32_t i=0; i < pData->audioOut.count; ++i) { if (LinuxSampler::AudioChannel* const outDev = fAudioOutputDevice.Channel(i)) outDev->SetBuffer(outBuffer[i] + timeOffset); } fAudioOutputDevice.Render(frames); #ifndef BUILD_BRIDGE // -------------------------------------------------------------------------------------------------------- // Post-processing (dry/wet, volume and balance) { const bool doVolume = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f); const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f)); float oldBufLeft[doBalance ? frames : 1]; for (uint32_t i=0; i < pData->audioOut.count; ++i) { // Balance if (doBalance) { if (i % 2 == 0) FloatVectorOperations::copy(oldBufLeft, outBuffer[i], static_cast(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 (i % 2 == 0) { // left outBuffer[i][k] = oldBufLeft[k] * (1.0f - balRangeL); outBuffer[i][k] += outBuffer[i+1][k] * (1.0f - balRangeR); } else { // right outBuffer[i][k] = outBuffer[i][k] * balRangeR; outBuffer[i][k] += oldBufLeft[k] * balRangeL; } } } // Volume if (doVolume) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k+timeOffset] *= pData->postProc.volume; } } } // End of Post-processing #endif // -------------------------------------------------------------------------------------------------------- pData->singleMutex.unlock(); return true; } #ifndef CARLA_OS_WIN // FIXME, need to update linuxsampler win32 build void bufferSizeChanged(const uint32_t) override { fAudioOutputDevice.ReconnectAll(); } void sampleRateChanged(const double) override { fAudioOutputDevice.ReconnectAll(); } #endif // ------------------------------------------------------------------- // Plugin buffers // nothing // ------------------------------------------------------------------- const void* getExtraStuff() const noexcept override { static const char xtrue[] = "true"; static const char xfalse[] = "false"; return kUses16Outs ? xtrue : xfalse; } 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; } // --------------------------------------------------------------- // Init LinuxSampler stuff fMidiInputPort = fMidiInputDevice.GetPort(0); if (fMidiInputPort == nullptr) { pData->engine->setLastError("Failed to get LinuxSampler midi input port"); return false; } for (uint i=0; iAddSamplerChannel()); CARLA_SAFE_ASSERT_CONTINUE(samplerChannel != nullptr); samplerChannel->SetEngineType(kIsGIG ? "GIG" : "SFZ"); samplerChannel->SetAudioOutputDevice(&fAudioOutputDevice); samplerChannel->SetMidiInputChannel(kIsGIG ? static_cast(i) : LinuxSampler::midi_chan_all); LinuxSampler::EngineChannel* const engineChannel(samplerChannel->GetEngineChannel()); CARLA_SAFE_ASSERT_CONTINUE(engineChannel != nullptr); engineChannel->Pan(0.0f); engineChannel->Volume(kIsGIG ? LinuxSampler::kVolumeMax/10.0f : LinuxSampler::kVolumeMax); // FIXME engineChannel->SetMidiInstrumentMapToDefault(); engineChannel->Connect(fMidiInputPort); if (kUses16Outs) { engineChannel->SetOutputChannel(0, i*2); engineChannel->SetOutputChannel(1, i*2 +1); } else { engineChannel->SetOutputChannel(0, 0); engineChannel->SetOutputChannel(1, 1); } fSamplerChannels[i] = samplerChannel; fEngineChannels[i] = engineChannel; } if (fSamplerChannels[0] == nullptr || fEngineChannels[0] == nullptr) { pData->engine->setLastError("Failed to create LinuxSampler audio channels"); return false; } // --------------------------------------------------------------- // Get Engine LinuxSampler::Engine* const engine(fEngineChannels[0]->GetEngine()); if (engine == nullptr) { pData->engine->setLastError("Failed to get LinuxSampler engine via channel"); return false; } // --------------------------------------------------------------- // Get the Engine's Instrument Manager LinuxSampler::InstrumentManager* const instrumentMgr(engine->GetInstrumentManager()); if (instrumentMgr == nullptr) { pData->engine->setLastError("Failed to get LinuxSampler instrument manager"); return false; } // --------------------------------------------------------------- // Load the Instrument via filename try { fInstrumentIds = instrumentMgr->GetInstrumentFileContent(filename); } catch (const LinuxSampler::InstrumentManagerException& e) { pData->engine->setLastError(e.what()); return false; } // --------------------------------------------------------------- // Get info const std::size_t numInstruments(fInstrumentIds.size()); if (numInstruments == 0) { pData->engine->setLastError("Failed to find any instruments"); return false; } for (std::size_t i=0; iGetInstrumentInfo(fInstrumentIds[i])); } CARLA_SAFE_EXCEPTION("GetInstrumentInfo"); instrumentMgr->SetMode(fInstrumentIds[i], LinuxSampler::InstrumentManager::ON_DEMAND); } CARLA_SAFE_ASSERT(fInstrumentInfo.size() == numInstruments); // --------------------------------------------------------------- CarlaString label2(label != nullptr ? label : File(filename).getFileNameWithoutExtension().toRawUTF8()); if (kUses16Outs && ! label2.endsWith(" (16 outs)")) label2 += " (16 outs)"; fLabel = label2.dup(); fMaker = carla_strdup(fInstrumentInfo[0].Artists.c_str()); fRealName = carla_strdup(instrumentMgr->GetInstrumentName(fInstrumentIds[0]).c_str()); pData->filename = carla_strdup(filename); if (name != nullptr && name[0] != '\0') pData->name = pData->engine->getUniquePluginName(name); else if (fRealName[0] != '\0') pData->name = pData->engine->getUniquePluginName(fRealName); else pData->name = pData->engine->getUniquePluginName(fLabel); // --------------------------------------------------------------- // 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; } // --------------------------------------------------------------- // set default options pData->options = 0x0; pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES; 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 (kIsGIG) pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; return true; } // ------------------------------------------------------------------- private: enum LinuxSamplerParameters { LinuxSamplerDiskStreamCount = 0, LinuxSamplerVoiceCount = 1, LinuxSamplerParametersMax = 2 }; const bool kIsGIG; // SFZ if false const bool kUses16Outs; const uint kMaxChannels; // 16 for gig, 1 for sfz const char* fLabel; const char* fMaker; const char* fRealName; uint32_t fCurProgs[MAX_MIDI_CHANNELS]; float fParamBuffers[LinuxSamplerParametersMax]; SharedResourcePointer sSampler; LinuxSampler::AudioOutputDevicePlugin fAudioOutputDevice; LinuxSampler::MidiInputDevicePlugin fMidiInputDevice; LinuxSampler::MidiInputPort* fMidiInputPort; LinuxSampler::SamplerChannel* fSamplerChannels[MAX_MIDI_CHANNELS]; LinuxSampler::EngineChannel* fEngineChannels[MAX_MIDI_CHANNELS]; std::vector fInstrumentIds; std::vector fInstrumentInfo; CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLinuxSampler) }; CARLA_BACKEND_END_NAMESPACE #endif // HAVE_LINUXSAMPLER CARLA_BACKEND_START_NAMESPACE // ------------------------------------------------------------------------------------------------------------------- CarlaPlugin* CarlaPlugin::newLinuxSampler(const Initializer& init, const char* const format, const bool use16Outs) { carla_debug("CarlaPluginLinuxSampler::newLinuxSampler({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, format, bool2str(use16Outs)); #ifdef HAVE_LINUXSAMPLER CarlaString sformat(format); sformat.toLower(); if (sformat != "gig" && sformat != "sfz") { init.engine->setLastError("Unsupported format requested for LinuxSampler"); return nullptr; } if (init.engine->getProccessMode() == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && use16Outs) { init.engine->setLastError("Carla's rack mode can only work with Stereo modules, please choose the 2-channel only sample-library version"); return nullptr; } // ------------------------------------------------------------------- // Check if file exists if (! File(init.filename).existsAsFile()) { init.engine->setLastError("Requested file is not valid or does not exist"); return nullptr; } CarlaPluginLinuxSampler* const plugin(new CarlaPluginLinuxSampler(init.engine, init.id, (sformat == "gig"), use16Outs)); if (! plugin->init(init.filename, init.name, init.label)) { delete plugin; return nullptr; } return plugin; #else init.engine->setLastError("linuxsampler support not available"); return nullptr; // unused (void)format; (void)use16Outs; #endif } CarlaPlugin* CarlaPlugin::newFileGIG(const Initializer& init, const bool use16Outs) { carla_debug("CarlaPlugin::newFileGIG({%p, \"%s\", \"%s\", \"%s\"}, %s)", init.engine, init.filename, init.name, init.label, bool2str(use16Outs)); #ifdef HAVE_LINUXSAMPLER return newLinuxSampler(init, "GIG", use16Outs); #else init.engine->setLastError("GIG support not available"); return nullptr; // unused (void)use16Outs; #endif } CarlaPlugin* CarlaPlugin::newFileSFZ(const Initializer& init) { carla_debug("CarlaPlugin::newFileSFZ({%p, \"%s\", \"%s\", \"%s\"})", init.engine, init.filename, init.name, init.label); #ifdef HAVE_LINUXSAMPLER return newLinuxSampler(init, "SFZ", false); #else init.engine->setLastError("SFZ support not available"); return nullptr; #endif } // ------------------------------------------------------------------------------------------------------------------- CARLA_BACKEND_END_NAMESPACE