/* ============================================================================== This file was auto-generated! It contains the basic framework code for a JUCE plugin processor. ============================================================================== */ #include "PluginProcessor.h" #include "PluginEditor.h" #include "SoundfontSynthVoice.h" #include "SoundfontSynthSound.h" #include "ExposesComponents.h" #include "MidiConstants.h" #include "Util.h" #include "SharesParams.h" #include "Params.h" #include "GuiConstants.h" using namespace std; using Parameter = AudioProcessorValueTreeState::Parameter; AudioProcessor* JUCE_CALLTYPE createPluginFilter(); //============================================================================== //, sharedParams{static_pointer_cast(make_shared())} JuicySFAudioProcessor::JuicySFAudioProcessor() : AudioProcessor{getBusesProperties()} // , sharedParams{} , valueTreeState{ *this, nullptr, "MYPLUGINSETTINGS", createParameterLayout()} , fluidSynthModel{valueTreeState} //, fluidSynthModel{*this} //, pluginEditor(nullptr) { valueTreeState.state.appendChild({ "uiState", { { "width", GuiConstants::minWidth }, { "height", GuiConstants::minHeight } }, {} }, nullptr); valueTreeState.state.appendChild({ "soundFont", { { "path", "" }, }, {} }, nullptr); // no properties, no subtrees (yet) valueTreeState.state.appendChild({ "presets", {}, {} }, nullptr); // no properties, no subtrees (yet) valueTreeState.state.appendChild({ "banks", {}, {} }, nullptr); // valueTreeState.state.setProperty("soundFontPath", "", nullptr); // valueTreeState.state.appendChild({ "soundFontPath", {} }, nullptr); initialiseSynth(); } AudioProcessorValueTreeState::ParameterLayout JuicySFAudioProcessor::createParameterLayout() { // std::vector> params; // for (int i = 1; i < 9; ++i) // params.push_back (std::make_unique (String (i), String (i), 0, i, 0)); // make_unique("soundfontPath", "filepath to soundfont", 0, 127, 0, "A" ), // https://stackoverflow.com/a/8469002/5257399 unique_ptr params[] { // make_unique("uiWidthPersist", "width of this plugin's GUI. Editor listens for changes (e.g. on load)", GuiConstants::minWidth, GuiConstants::maxWidth, GuiConstants::minWidth, "UI Width Persist" ), // make_unique("uiHeightPersist", "height of this plugin's GUI. Editor listens for changes (e.g. on load)", GuiConstants::minHeight, GuiConstants::maxHeight, GuiConstants::minHeight, "UI Height Persist" ), // make_unique("uiWidthTemp", "width of this plugin's GUI. Editor writes here on change (e.g. on window resize). Processor copies this into Persist before any save.", GuiConstants::minWidth, GuiConstants::maxWidth, GuiConstants::minWidth, "UI Width Temp" ), // make_unique("uiHeightTemp", "height of this plugin's GUI. Editor writes here on change (e.g. on window resize). Processor copies this into Persist before any save.", GuiConstants::minHeight, GuiConstants::maxHeight, GuiConstants::minHeight, "UI Height Temp" ), // make_unique("uiWidth", "width of this plugin's GUI", GuiConstants::minWidth, GuiConstants::maxWidth, GuiConstants::minWidth, "UI Width" ), // make_unique("uiHeight", "height of this plugin's GUI", GuiConstants::minHeight, GuiConstants::maxHeight, GuiConstants::minHeight, "UI Height" ), // SoundFont 2.4 spec section 7.2: zero through 127, or 128. make_unique("bank", "which bank is selected in the soundfont", MidiConstants::midiMinValue, 128, MidiConstants::midiMinValue, "Bank" ), // note: banks may be sparse, and lack a 0th preset. so defend against this. make_unique("preset", "which patch (aka patch, program, instrument) is selected in the soundfont", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "Preset" ), make_unique("attack", "volume envelope attack time", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "A" ), make_unique("decay", "volume envelope sustain attentuation", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "D" ), make_unique("sustain", "volume envelope decay time", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "S" ), make_unique("release", "volume envelope release time", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "R" ), make_unique("filterCutOff", "low-pass filter cut-off frequency", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "Cut" ), make_unique("filterResonance", "low-pass filter resonance attentuation", MidiConstants::midiMinValue, MidiConstants::midiMaxValue, MidiConstants::midiMinValue, "Res" ), }; return { make_move_iterator(begin(params)), make_move_iterator(end(params)) }; } JuicySFAudioProcessor::~JuicySFAudioProcessor() { // delete fluidSynthModel; } void JuicySFAudioProcessor::initialiseSynth() { fluidSynthModel.initialise(); // fluidSynth = fluidSynthModel.getSynth(); const int numVoices = 8; // Add some voices... for (int i = numVoices; --i >= 0;) synth.addVoice(new SoundfontSynthVoice(fluidSynthModel.getSynth())); // ..and give the synth a sound to play synth.addSound(new SoundfontSynthSound()); } //============================================================================== const String JuicySFAudioProcessor::getName() const { return JucePlugin_Name; } bool JuicySFAudioProcessor::acceptsMidi() const { #if JucePlugin_WantsMidiInput return true; #else return false; #endif } bool JuicySFAudioProcessor::producesMidi() const { #if JucePlugin_ProducesMidiOutput return true; #else return false; #endif } double JuicySFAudioProcessor::getTailLengthSeconds() const { return 0.0; } int JuicySFAudioProcessor::getNumPrograms() { return 1; // NB: some hosts don't cope very well if you tell them there are 0 programs, // so this should be at least 1, even if you're not really implementing programs. } int JuicySFAudioProcessor::getCurrentProgram() { return 0; } void JuicySFAudioProcessor::setCurrentProgram (int index) { } const String JuicySFAudioProcessor::getProgramName (int index) { return {}; } void JuicySFAudioProcessor::changeProgramName (int index, const String& newName) { } //============================================================================== void JuicySFAudioProcessor::prepareToPlay (double sampleRate, int /*samplesPerBlock*/) { // Use this method as the place to do any pre-playback // initialisation that you need.. synth.setCurrentPlaybackSampleRate (sampleRate); keyboardState.reset(); fluidSynthModel.setSampleRate(static_cast(sampleRate)); reset(); } void JuicySFAudioProcessor::releaseResources() { // When playback stops, you can use this as an opportunity to free up any // spare memory, etc. keyboardState.reset(); } bool JuicySFAudioProcessor::isBusesLayoutSupported (const BusesLayout& layouts) const { // Only mono/stereo and input/output must have same layout const AudioChannelSet& mainOutput = layouts.getMainOutputChannelSet(); const AudioChannelSet& mainInput = layouts.getMainInputChannelSet(); // input and output layout must either be the same or the input must be disabled altogether if (! mainInput.isDisabled() && mainInput != mainOutput) return false; // do not allow disabling the main buses if (mainOutput.isDisabled()) return false; // only allow stereo and mono return mainOutput.size() <= 2; } AudioProcessor::BusesProperties JuicySFAudioProcessor::getBusesProperties() { return BusesProperties() .withOutput ("Output", AudioChannelSet::stereo(), true); } void JuicySFAudioProcessor::processBlock (AudioBuffer& buffer, MidiBuffer& midiMessages) { jassert (!isUsingDoublePrecision()); const int numSamples = buffer.getNumSamples(); // Now pass any incoming midi messages to our keyboard state object, and let it // add messages to the buffer if the user is clicking on the on-screen keys keyboardState.processNextMidiBuffer (midiMessages, 0, numSamples, true); MidiBuffer processedMidi; int time; MidiMessage m; // TODO: factor into a MidiCollector for (MidiBuffer::Iterator i (midiMessages); i.getNextEvent (m, time);) { DEBUG_PRINT ( m.getDescription() ); // explicitly not handling note_on/off, or pitch_bend, because these are (for better or worse) // responsibilities of SoundfontSynthVoice. // well, by that logic maybe I should move program change onto Voice. but it doesn't feel like a per-voice concern. if (m.isController()) { // shared_ptr midi_event{ // new_fluid_midi_event(), // [](fluid_midi_event_t *event) { // delete_fluid_midi_event(midi_event); // }}; fluid_midi_event_t *midi_event(new_fluid_midi_event()); fluid_midi_event_set_type(midi_event, static_cast(CONTROL_CHANGE)); fluid_midi_event_set_channel(midi_event, fluidSynthModel.getChannel()); fluid_midi_event_set_control(midi_event, m.getControllerNumber()); fluid_midi_event_set_value(midi_event, m.getControllerValue()); fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); delete_fluid_midi_event(midi_event); switch(static_cast(m.getControllerNumber())) { case SOUND_CTRL2: { // MIDI CC 71 Timbre/Harmonic Intensity (filter resonance) // valueTreeState.state.setProperty({"filterResonance"}, m.getControllerValue(), nullptr); RangedAudioParameter *param {valueTreeState.getParameter("filterResonance")}; jassert(dynamic_cast (param) != nullptr); AudioParameterInt* castParam {dynamic_cast (param)}; *castParam = m.getControllerValue(); break; } case SOUND_CTRL3: { // MIDI CC 72 Release time RangedAudioParameter *param {valueTreeState.getParameter("release")}; jassert(dynamic_cast (param) != nullptr); AudioParameterInt* castParam {dynamic_cast (param)}; *castParam = m.getControllerValue(); break; } case SOUND_CTRL4: { // MIDI CC 73 Attack time RangedAudioParameter *param {valueTreeState.getParameter("release")}; jassert(dynamic_cast (param) != nullptr); AudioParameterInt* castParam {dynamic_cast (param)}; *castParam = m.getControllerValue(); break; } case SOUND_CTRL5: { // MIDI CC 74 Brightness (cutoff frequency, FILTERFC) RangedAudioParameter *param {valueTreeState.getParameter("filterCutOff")}; jassert(dynamic_cast (param) != nullptr); AudioParameterInt* castParam {dynamic_cast (param)}; *castParam = m.getControllerValue(); break; } case SOUND_CTRL6: { // MIDI CC 75 Decay Time RangedAudioParameter *param {valueTreeState.getParameter("decay")}; jassert(dynamic_cast (param) != nullptr); AudioParameterInt* castParam {dynamic_cast (param)}; *castParam = m.getControllerValue(); break; } case SOUND_CTRL10: { // MIDI CC 79 undefined RangedAudioParameter *param {valueTreeState.getParameter("sustain")}; jassert(dynamic_cast (param) != nullptr); AudioParameterInt* castParam {dynamic_cast (param)}; *castParam = m.getControllerValue(); break; } default: { break; } } // sharedParams->acceptMidiControlEvent(m.getControllerNumber(), m.getControllerValue()); // AudioProcessorEditor* editor{getActiveEditor()}; // jassert(dynamic_cast (editor) != nullptr); // ExposesComponents* exposesComponents{dynamic_cast(editor)}; // exposesComponents->getSliders().acceptMidiControlEvent(m.getControllerNumber(), m.getControllerValue()); } else if (m.isProgramChange()) { fluid_midi_event_t *midi_event(new_fluid_midi_event()); fluid_midi_event_set_type(midi_event, static_cast(PROGRAM_CHANGE)); fluid_midi_event_set_channel(midi_event, fluidSynthModel.getChannel()); fluid_midi_event_set_program(midi_event, m.getProgramChangeNumber()); fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); delete_fluid_midi_event(midi_event); } else if (m.isPitchWheel()) { fluid_midi_event_t *midi_event(new_fluid_midi_event()); fluid_midi_event_set_type(midi_event, static_cast(PITCH_BEND)); fluid_midi_event_set_channel(midi_event, fluidSynthModel.getChannel()); fluid_midi_event_set_pitch(midi_event, m.getPitchWheelValue()); fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); delete_fluid_midi_event(midi_event); } else if (m.isChannelPressure()) { fluid_midi_event_t *midi_event(new_fluid_midi_event()); fluid_midi_event_set_type(midi_event, static_cast(CHANNEL_PRESSURE)); fluid_midi_event_set_channel(midi_event, fluidSynthModel.getChannel()); fluid_midi_event_set_program(midi_event, m.getChannelPressureValue()); fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); delete_fluid_midi_event(midi_event); } else if (m.isAftertouch()) { fluid_midi_event_t *midi_event(new_fluid_midi_event()); fluid_midi_event_set_type(midi_event, static_cast(KEY_PRESSURE)); fluid_midi_event_set_channel(midi_event, fluidSynthModel.getChannel()); fluid_midi_event_set_key(midi_event, m.getNoteNumber()); fluid_midi_event_set_value(midi_event, m.getAfterTouchValue()); fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); delete_fluid_midi_event(midi_event); // } else if (m.isMetaEvent()) { // fluid_midi_event_t *midi_event(new_fluid_midi_event()); // fluid_midi_event_set_type(midi_event, static_cast(MIDI_SYSTEM_RESET)); // fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); // delete_fluid_midi_event(midi_event); } else if (m.isSysEx()) { fluid_midi_event_t *midi_event(new_fluid_midi_event()); fluid_midi_event_set_type(midi_event, static_cast(MIDI_SYSEX)); // I assume that the MidiMessage's sysex buffer would be freed anyway when MidiMessage is destroyed, so set dynamic=false // to ensure that fluidsynth does not attempt to free the sysex buffer during delete_fluid_midi_event() fluid_midi_event_set_sysex(midi_event, const_cast(m.getSysExData()), m.getSysExDataSize(), static_cast(false)); fluid_synth_handle_midi_event(fluidSynthModel.getSynth().get(), midi_event); delete_fluid_midi_event(midi_event); } } // int pval; // 73: 64 attack // 75: decay // 79: sustain // 72: 64 release // fluid_synth_get_cc(fluidSynth, 0, 73, &pval); // Logger::outputDebugString ( juce::String::formatted("hey: %d\n", pval) ); // and now get our synth to process these midi events and generate its output. synth.renderNextBlock (buffer, midiMessages, 0, numSamples); fluid_synth_process(fluidSynthModel.getSynth().get(), numSamples, 0, nullptr, buffer.getNumChannels(), buffer.getArrayOfWritePointers()); // (see juce_VST3_Wrapper.cpp for the assertion this would trip otherwise) // we are !JucePlugin_ProducesMidiOutput, so clear remaining MIDI messages from our buffer midiMessages.clear(); // In case we have more outputs than inputs, this code clears any output // channels that didn't contain input data, (because these aren't // guaranteed to be empty - they may contain garbage). // This is here to avoid people getting screaming feedback // when they first compile a plugin, but obviously you don't need to keep // this code if your algorithm always overwrites all the output channels. // for (int i = getTotalNumInputChannels(); i < getTotalNumOutputChannels(); ++i) // buffer.clear (i, 0, numSamples); } //============================================================================== bool JuicySFAudioProcessor::hasEditor() const { return true; // (change this to false if you choose to not supply an editor) } AudioProcessorEditor* JuicySFAudioProcessor::createEditor() { // grab a raw pointer to it for our own use return /*pluginEditor = */new JuicySFAudioProcessorEditor (*this, valueTreeState); } //============================================================================== void JuicySFAudioProcessor::getStateInformation (MemoryBlock& destData) { // You should use this method to store your parameters in the memory block. // You could do that either as raw data, or use the XML or ValueTree classes // as intermediaries to make it easy to save and load complex data. // Create an outer XML element.. // XmlElement xml{"MYPLUGINSETTINGS"}; // sharedParams->setAttributesOnXml(xml); auto state{valueTreeState.copyState()}; unique_ptr xml{state.createXml()}; // sharedParams.setAttributesOnXml(xml); // list::iterator p; // for(p = stateChangeSubscribers.begin(); p != stateChangeSubscribers.end(); p++) { // (*p)->getStateInformation(xml); // } // Store the values of all our parameters, using their param ID as the XML attribute // for (auto* param : getParameters()) // if (auto* p = dynamic_cast (param)) // xml->setAttribute (p->paramID, p->getValue()); // then use this helper function to stuff it into the binary blob and return it.. if (xml.get() != nullptr) { copyXmlToBinary(*xml, destData); } } void JuicySFAudioProcessor::setStateInformation (const void* data, int sizeInBytes) { // You should use this method to restore your parameters from this memory block, // whose contents will have been created by the getStateInformation() call. // This getXmlFromBinary() helper function retrieves our XML from the binary blob.. shared_ptr xmlState{getXmlFromBinary(data, sizeInBytes)}; // unique_ptr xmlState{getXmlFromBinary(data, sizeInBytes)}; DEBUG_PRINT(xmlState->createDocument("",false,false)); /* */ if (xmlState.get() != nullptr) { // make sure that it's actually our type of XML object.. // if (xmlState->hasTagName ("MYPLUGINSETTINGS")) { if (xmlState->hasTagName(valueTreeState.state.getType())) { // valueTreeState.replaceState(ValueTree::fromXml(*xmlState)); for (auto* param : getParameters()) if (auto* p = dynamic_cast(param)) p->setValue(static_cast(xmlState->getDoubleAttribute(p->paramID, p->getValue()))); { // Value value{valueTreeState.state.getPropertyAsValue("soundFontPath", nullptr)}; // value = xmlState->getStringAttribute("soundFontPath", value.getValue()); ValueTree tree{valueTreeState.state.getChildWithName("soundFont")}; XmlElement* xmlElement{xmlState->getChildByName("soundFont")}; if (xmlElement) { Value value{tree.getPropertyAsValue("path", nullptr)}; value = xmlState->getStringAttribute("path", value.getValue()); } // valueTreeState.getParameter("soundFontPath")->getValue() // valueTreeState.getParameter("soundFontPath")->getValue(); // RangedAudioParameter *param {valueTreeState.getParameter("release")}; // jassert(dynamic_cast (param) != nullptr); // AudioParameterInt* castParam {dynamic_cast (param)}; // *castParam = m.getControllerValue(); } { ValueTree tree{valueTreeState.state.getChildWithName("uiState")}; XmlElement* xmlElement{xmlState->getChildByName("uiState")}; if (xmlElement) { { Value value{tree.getPropertyAsValue("width", nullptr)}; value = xmlElement->getIntAttribute("width", value.getValue()); } { Value value{tree.getPropertyAsValue("height", nullptr)}; value = xmlElement->getIntAttribute("height", value.getValue()); } } // tree.getPropertyAsValue("width", nullptr) // tree. // valueTreeState.replaceState(ValueTree::fromXml(*xmlState)) // value = xmlState->getStringAttribute("soundFontPath", value.getValue()); } // list::iterator p; // for(p = stateChangeSubscribers.begin(); p != stateChangeSubscribers.end(); p++) { // (*p)->setStateInformation(xmlState); // } // ok, now pull out our last window size.. // sharedParams.loadAttributesFromXml(xmlState); // Now reload our parameters.. // for (auto* param : getParameters()) // if (auto* p = dynamic_cast (param)) // p->setValue ((float) xmlState->getDoubleAttribute (p->paramID, p->getValue())); // // fluidSynthModel.onFileNameChanged( // sharedParams->getSoundFontPath(), // sharedParams->getBank(), // sharedParams->getPreset()); // // AudioProcessorEditor* editor{getActiveEditor()}; // if (editor != nullptr) { // editor->setSize( // sharedParams->getUiWidth(), // sharedParams->getUiHeight()); // // jassert(dynamic_cast (editor) != nullptr); // ExposesComponents* exposesComponents = dynamic_cast (editor); // exposesComponents->getFilePicker().setDisplayedFilePath(sharedParams->getSoundFontPath()); // } // const String& currentSoundFontAbsPath = fluidSynthModel->getCurrentSoundFontAbsPath(); // if (currentSoundFontAbsPath.isNotEmpty()) { // fileChooser.setCurrentFile(File(currentSoundFontAbsPath), true, dontSendNotification); // } } } } //void JuicySFAudioProcessor::subscribeToStateChanges(StateChangeSubscriber* subscriber) { // stateChangeSubscribers.push_back(subscriber); //} // //void JuicySFAudioProcessor::unsubscribeFromStateChanges(StateChangeSubscriber* subscriber) { // stateChangeSubscribers.remove(subscriber); //} // FluidSynth only supports float in its process function, so that's all we can support. bool JuicySFAudioProcessor::supportsDoublePrecisionProcessing() const { return false; } FluidSynthModel& JuicySFAudioProcessor::getFluidSynthModel() { return fluidSynthModel; } //SharesParams& JuicySFAudioProcessor::getSharedParams() { // return sharedParams; //} //============================================================================== // This creates new instances of the plugin.. AudioProcessor* JUCE_CALLTYPE createPluginFilter() { return new JuicySFAudioProcessor(); }