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osci-render/Source/PluginProcessor.cpp

1007 wiersze
40 KiB
C++
Czysty Bezpośredni odnośnik Wina Historia

/*
==============================================================================
This file contains the basic framework code for a JUCE plugin processor.
==============================================================================
*/
#include "PluginProcessor.h"
#include "PluginEditor.h"
#include "parser/FileParser.h"
#include "parser/FrameProducer.h"
#include "audio/VectorCancellingEffect.h"
#include "audio/DistortEffect.h"
#include "audio/SmoothEffect.h"
#include "audio/BitCrushEffect.h"
#include "audio/BulgeEffect.h"
#include "audio/EffectParameter.h"
//==============================================================================
OscirenderAudioProcessor::OscirenderAudioProcessor()
#ifndef JucePlugin_PreferredChannelConfigurations
: AudioProcessor (BusesProperties()
#if ! JucePlugin_IsMidiEffect
#if ! JucePlugin_IsSynth
.withInput ("Input", juce::AudioChannelSet::stereo(), true)
#endif
.withOutput ("Output", juce::AudioChannelSet::stereo(), true)
#endif
)
#endif
{
// locking isn't necessary here because we are in the constructor
toggleableEffects.push_back(std::make_shared<Effect>(
std::make_shared<BitCrushEffect>(),
new EffectParameter("Bit Crush", "Limits the resolution of points drawn to the screen, making the object look pixelated, and making the audio sound more 'digital' and distorted.", "bitCrush", VERSION_HINT, 0.6, 0.0, 1.0)
));
toggleableEffects.push_back(std::make_shared<Effect>(
std::make_shared<BulgeEffect>(),
new EffectParameter("Bulge", "Applies a bulge that makes the centre of the image larger, and squishes the edges of the image. This applies a distortion to the audio.", "bulge", VERSION_HINT, 0.5, 0.0, 1.0)
));
toggleableEffects.push_back(std::make_shared<Effect>(
std::make_shared<VectorCancellingEffect>(),
new EffectParameter("Vector Cancelling", "Inverts the audio and image every few samples to 'cancel out' the audio, making the audio quiet, and distorting the image.", "vectorCancelling", VERSION_HINT, 0.1111111, 0.0, 1.0)
));
toggleableEffects.push_back(std::make_shared<Effect>(
[this](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
return input * OsciPoint(values[0], values[1], values[2]);
}, std::vector<EffectParameter*>{
new EffectParameter("Scale X", "Scales the object in the horizontal direction.", "scaleX", VERSION_HINT, 1.0, -5.0, 5.0),
new EffectParameter("Scale Y", "Scales the object in the vertical direction.", "scaleY", VERSION_HINT, 1.0, -5.0, 5.0),
new EffectParameter("Scale Z", "Scales the depth of the object.", "scaleZ", VERSION_HINT, 1.0, -5.0, 5.0),
}
));
toggleableEffects.push_back(std::make_shared<Effect>(
[this](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
int flip = index % 2 == 0 ? 1 : -1;
OsciPoint jitter = OsciPoint(flip * values[0], flip * values[1], flip * values[2]);
return input + jitter;
}, std::vector<EffectParameter*>{
new EffectParameter("Distort X", "Distorts the image in the horizontal direction by jittering the audio sample being drawn.", "distortX", VERSION_HINT, 0.0, 0.0, 1.0),
new EffectParameter("Distort Y", "Distorts the image in the vertical direction by jittering the audio sample being drawn.", "distortY", VERSION_HINT, 0.0, 0.0, 1.0),
new EffectParameter("Distort Z", "Distorts the depth of the image by jittering the audio sample being drawn.", "distortZ", VERSION_HINT, 0.1, 0.0, 1.0),
}
));
auto rippleEffect = std::make_shared<Effect>(
[this](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
double phase = values[1] * std::numbers::pi;
double distance = 100 * values[2] * (input.x * input.x + input.y * input.y);
input.z += values[0] * std::sin(phase + distance);
return input;
}, std::vector<EffectParameter*>{
new EffectParameter("Ripple Depth", "Controls how large the ripples applied to the image are.", "rippleDepth", VERSION_HINT, 0.2, 0.0, 1.0),
new EffectParameter("Ripple Phase", "Controls the position of the ripple. Animate this to see a moving ripple effect.", "ripplePhase", VERSION_HINT, 0.0, -1.0, 1.0),
new EffectParameter("Ripple Amount", "Controls how many ripples are applied to the image.", "rippleAmount", VERSION_HINT, 0.1, 0.0, 1.0),
}
);
rippleEffect->getParameter("ripplePhase")->lfo->setUnnormalisedValueNotifyingHost((int) LfoType::Sawtooth);
toggleableEffects.push_back(rippleEffect);
auto rotateEffect = std::make_shared<Effect>(
[this](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
input.rotate(values[0] * std::numbers::pi, values[1] * std::numbers::pi, values[2] * std::numbers::pi);
return input;
}, std::vector<EffectParameter*>{
new EffectParameter("Rotate X", "Controls the rotation of the object in the X axis.", "rotateX", VERSION_HINT, 0.0, -1.0, 1.0),
new EffectParameter("Rotate Y", "Controls the rotation of the object in the Y axis.", "rotateY", VERSION_HINT, 0.0, -1.0, 1.0),
new EffectParameter("Rotate Z", "Controls the rotation of the object in the Z axis.", "rotateZ", VERSION_HINT, 0.0, -1.0, 1.0),
}
);
rotateEffect->getParameter("rotateY")->lfo->setUnnormalisedValueNotifyingHost((int) LfoType::Sawtooth);
rotateEffect->getParameter("rotateY")->lfoRate->setUnnormalisedValueNotifyingHost(0.2);
toggleableEffects.push_back(rotateEffect);
toggleableEffects.push_back(std::make_shared<Effect>(
[this](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
return input + OsciPoint(values[0], values[1], values[2]);
}, std::vector<EffectParameter*>{
new EffectParameter("Translate X", "Moves the object horizontally.", "translateX", VERSION_HINT, 0.0, -1.0, 1.0),
new EffectParameter("Translate Y", "Moves the object vertically.", "translateY", VERSION_HINT, 0.0, -1.0, 1.0),
new EffectParameter("Translate Z", "Moves the object away from the camera.", "translateZ", VERSION_HINT, 0.0, -1.0, 1.0),
}
));
toggleableEffects.push_back(std::make_shared<Effect>(
[this](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
double length = 10 * values[0] * input.magnitude();
double newX = input.x * std::cos(length) - input.y * std::sin(length);
double newY = input.x * std::sin(length) + input.y * std::cos(length);
return OsciPoint(newX, newY, input.z);
}, std::vector<EffectParameter*>{
new EffectParameter("Swirl", "Swirls the image in a spiral pattern.", "swirl", VERSION_HINT, 0.3, -1.0, 1.0),
}
));
toggleableEffects.push_back(std::make_shared<Effect>(
std::make_shared<SmoothEffect>(),
new EffectParameter("Smoothing", "This works as a low-pass frequency filter that removes high frequencies, making the image look smoother, and audio sound less harsh.", "smoothing", VERSION_HINT, 0.75, 0.0, 1.0)
));
toggleableEffects.push_back(std::make_shared<Effect>(
wobbleEffect,
new EffectParameter("Wobble", "Adds a sine wave of the prominent frequency in the audio currently playing. The sine wave's frequency is slightly offset to create a subtle 'wobble' in the image. Increasing the slider increases the strength of the wobble.", "wobble", VERSION_HINT, 0.3, 0.0, 1.0)
));
toggleableEffects.push_back(std::make_shared<Effect>(
delayEffect,
std::vector<EffectParameter*>{
new EffectParameter("Delay Decay", "Adds repetitions, delays, or echos to the audio. This slider controls the volume of the echo.", "delayDecay", VERSION_HINT, 0.4, 0.0, 1.0),
new EffectParameter("Delay Length", "Controls the time in seconds between echos.", "delayLength", VERSION_HINT, 0.5, 0.0, 1.0)
}
));
toggleableEffects.push_back(std::make_shared<Effect>(
dashedLineEffect,
std::vector<EffectParameter*>{
new EffectParameter("Dash Length", "Controls the length of the dashed line.", "dashLength", VERSION_HINT, 0.2, 0.0, 1.0),
}
));
toggleableEffects.push_back(custom);
toggleableEffects.push_back(traceMax);
toggleableEffects.push_back(traceMin);
for (int i = 0; i < toggleableEffects.size(); i++) {
auto effect = toggleableEffects[i];
effect->markEnableable(false);
addParameter(effect->enabled);
effect->enabled->setValueNotifyingHost(false);
effect->setPrecedence(i);
}
permanentEffects.push_back(perspective);
permanentEffects.push_back(frequencyEffect);
permanentEffects.push_back(volumeEffect);
permanentEffects.push_back(thresholdEffect);
permanentEffects.push_back(imageThreshold);
permanentEffects.push_back(imageStride);
for (auto effect : visualiserParameters.effects) {
permanentEffects.push_back(effect);
}
for (int i = 0; i < 26; i++) {
addLuaSlider();
}
allEffects = toggleableEffects;
allEffects.insert(allEffects.end(), permanentEffects.begin(), permanentEffects.end());
allEffects.insert(allEffects.end(), luaEffects.begin(), luaEffects.end());
allEffects.push_back(visualiserParameters.smoothEffect);
for (auto effect : allEffects) {
for (auto effectParameter : effect->parameters) {
auto parameters = effectParameter->getParameters();
for (auto parameter : parameters) {
addParameter(parameter);
}
}
}
booleanParameters.push_back(midiEnabled);
booleanParameters.push_back(inputEnabled);
booleanParameters.push_back(animateFrames);
booleanParameters.push_back(animationSyncBPM);
booleanParameters.push_back(invertImage);
for (auto parameter : visualiserParameters.booleans) {
booleanParameters.push_back(parameter);
}
for (auto parameter : booleanParameters) {
addParameter(parameter);
}
floatParameters.push_back(attackTime);
floatParameters.push_back(attackLevel);
floatParameters.push_back(attackShape);
floatParameters.push_back(decayTime);
floatParameters.push_back(decayShape);
floatParameters.push_back(sustainLevel);
floatParameters.push_back(releaseTime);
floatParameters.push_back(releaseShape);
floatParameters.push_back(animationRate);
floatParameters.push_back(animationOffset);
for (auto parameter : floatParameters) {
addParameter(parameter);
}
for (int i = 0; i < voices->getValueUnnormalised(); i++) {
synth.addVoice(new ShapeVoice(*this));
}
intParameters.push_back(voices);
for (auto parameter : intParameters) {
addParameter(parameter);
}
voices->addListener(this);
for (int i = 0; i < luaEffects.size(); i++) {
luaEffects[i]->parameters[0]->addListener(this);
}
synth.addSound(defaultSound);
}
OscirenderAudioProcessor::~OscirenderAudioProcessor() {
for (int i = luaEffects.size() - 1; i >= 0; i--) {
luaEffects[i]->parameters[0]->removeListener(this);
}
voices->removeListener(this);
}
const juce::String OscirenderAudioProcessor::getName() const {
return JucePlugin_Name;
}
void OscirenderAudioProcessor::setAudioThreadCallback(std::function<void(const juce::AudioBuffer<float>&)> callback) {
juce::SpinLock::ScopedLockType lock(audioThreadCallbackLock);
audioThreadCallback = callback;
}
bool OscirenderAudioProcessor::acceptsMidi() const {
#if JucePlugin_WantsMidiInput
return true;
#else
return false;
#endif
}
bool OscirenderAudioProcessor::producesMidi() const {
#if JucePlugin_ProducesMidiOutput
return true;
#else
return false;
#endif
}
bool OscirenderAudioProcessor::isMidiEffect() const {
#if JucePlugin_IsMidiEffect
return true;
#else
return false;
#endif
}
double OscirenderAudioProcessor::getTailLengthSeconds() const {
return 0.0;
}
int OscirenderAudioProcessor::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 OscirenderAudioProcessor::getCurrentProgram() {
return 0;
}
void OscirenderAudioProcessor::setCurrentProgram(int index) {
}
const juce::String OscirenderAudioProcessor::getProgramName(int index) {
return {};
}
void OscirenderAudioProcessor::changeProgramName(int index, const juce::String& newName) {}
void OscirenderAudioProcessor::prepareToPlay(double sampleRate, int samplesPerBlock) {
currentSampleRate = sampleRate;
volumeBuffer = std::vector<double>(VOLUME_BUFFER_SECONDS * sampleRate, 0);
synth.setCurrentPlaybackSampleRate(sampleRate);
retriggerMidi = true;
for (auto& effect : allEffects) {
effect->updateSampleRate(currentSampleRate);
}
threadManager.prepare(sampleRate, samplesPerBlock);
}
void OscirenderAudioProcessor::releaseResources() {
// When playback stops, you can use this as an opportunity to free up any
// spare memory, etc.
}
#ifndef JucePlugin_PreferredChannelConfigurations
bool OscirenderAudioProcessor::isBusesLayoutSupported (const BusesLayout& layouts) const
{
#if JucePlugin_IsMidiEffect
juce::ignoreUnused (layouts);
return true;
#else
// This is the place where you check if the layout is supported.
// In this template code we only support mono or stereo.
// Some plugin hosts, such as certain GarageBand versions, will only
// load plugins that support stereo bus layouts.
if (layouts.getMainOutputChannelSet() != juce::AudioChannelSet::mono()
&& layouts.getMainOutputChannelSet() != juce::AudioChannelSet::stereo())
return false;
// This checks if the input layout matches the output layout
#if ! JucePlugin_IsSynth
if (layouts.getMainOutputChannelSet() != layouts.getMainInputChannelSet())
return false;
#endif
return true;
#endif
}
#endif
// effectsLock should be held when calling this
void OscirenderAudioProcessor::addLuaSlider() {
juce::String sliderName = "";
int sliderIndex = luaEffects.size();
int sliderNum = sliderIndex + 1;
while (sliderNum > 0) {
int mod = (sliderNum - 1) % 26;
sliderName = (char)(mod + 'A') + sliderName;
sliderNum = (sliderNum - mod) / 26;
}
luaEffects.push_back(std::make_shared<Effect>(
[this, sliderIndex](int index, OsciPoint input, const std::vector<std::atomic<double>>& values, double sampleRate) {
luaValues[sliderIndex].store(values[0]);
return input;
}, new EffectParameter(
"Lua Slider " + sliderName,
"Controls the value of the Lua variable called slider_" + sliderName.toLowerCase() + ".",
"lua" + sliderName,
VERSION_HINT, 0.0, 0.0, 1.0, 0.001, false
)
));
}
void OscirenderAudioProcessor::addErrorListener(ErrorListener* listener) {
juce::SpinLock::ScopedLockType lock(errorListenersLock);
errorListeners.push_back(listener);
}
void OscirenderAudioProcessor::removeErrorListener(ErrorListener* listener) {
juce::SpinLock::ScopedLockType lock(errorListenersLock);
errorListeners.erase(std::remove(errorListeners.begin(), errorListeners.end(), listener), errorListeners.end());
}
// effectsLock should be held when calling this
std::shared_ptr<Effect> OscirenderAudioProcessor::getEffect(juce::String id) {
for (auto& effect : allEffects) {
if (effect->getId() == id) {
return effect;
}
}
return nullptr;
}
// effectsLock should be held when calling this
BooleanParameter* OscirenderAudioProcessor::getBooleanParameter(juce::String id) {
for (auto& parameter : booleanParameters) {
if (parameter->paramID == id) {
return parameter;
}
}
return nullptr;
}
// effectsLock should be held when calling this
FloatParameter* OscirenderAudioProcessor::getFloatParameter(juce::String id) {
for (auto& parameter : floatParameters) {
if (parameter->paramID == id) {
return parameter;
}
}
return nullptr;
}
// effectsLock should be held when calling this
IntParameter* OscirenderAudioProcessor::getIntParameter(juce::String id) {
for (auto& parameter : intParameters) {
if (parameter->paramID == id) {
return parameter;
}
}
return nullptr;
}
// effectsLock MUST be held when calling this
void OscirenderAudioProcessor::updateEffectPrecedence() {
auto sortFunc = [](std::shared_ptr<Effect> a, std::shared_ptr<Effect> b) {
return a->getPrecedence() < b->getPrecedence();
};
std::sort(toggleableEffects.begin(), toggleableEffects.end(), sortFunc);
}
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::updateFileBlock(int index, std::shared_ptr<juce::MemoryBlock> block) {
if (index < 0 || index >= fileBlocks.size()) {
return;
}
fileBlocks[index] = block;
openFile(index);
}
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::addFile(juce::File file) {
fileBlocks.push_back(std::make_shared<juce::MemoryBlock>());
fileNames.push_back(file.getFileName());
fileIds.push_back(currentFileId++);
parsers.push_back(std::make_shared<FileParser>(*this, errorCallback));
sounds.push_back(new ShapeSound(*this, parsers.back()));
file.createInputStream()->readIntoMemoryBlock(*fileBlocks.back());
openFile(fileBlocks.size() - 1);
}
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::addFile(juce::String fileName, const char* data, const int size) {
fileBlocks.push_back(std::make_shared<juce::MemoryBlock>());
fileNames.push_back(fileName);
fileIds.push_back(currentFileId++);
parsers.push_back(std::make_shared<FileParser>(*this, errorCallback));
sounds.push_back(new ShapeSound(*this, parsers.back()));
fileBlocks.back()->append(data, size);
openFile(fileBlocks.size() - 1);
}
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::addFile(juce::String fileName, std::shared_ptr<juce::MemoryBlock> data) {
fileBlocks.push_back(data);
fileNames.push_back(fileName);
fileIds.push_back(currentFileId++);
parsers.push_back(std::make_shared<FileParser>(*this, errorCallback));
sounds.push_back(new ShapeSound(*this, parsers.back()));
openFile(fileBlocks.size() - 1);
}
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::removeFile(int index) {
if (index < 0 || index >= fileBlocks.size()) {
return;
}
fileBlocks.erase(fileBlocks.begin() + index);
fileNames.erase(fileNames.begin() + index);
fileIds.erase(fileIds.begin() + index);
parsers.erase(parsers.begin() + index);
sounds.erase(sounds.begin() + index);
auto newFileIndex = index;
if (newFileIndex >= fileBlocks.size()) {
newFileIndex = fileBlocks.size() - 1;
}
changeCurrentFile(newFileIndex);
}
int OscirenderAudioProcessor::numFiles() {
return fileBlocks.size();
}
// used for opening NEW files. Should be the default way of opening files as
// it will reparse any existing files, so it is safer.
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::openFile(int index) {
if (index < 0 || index >= fileBlocks.size()) {
return;
}
juce::SpinLock::ScopedLockType lock(fontLock);
parsers[index]->parse(juce::String(fileIds[index]), fileNames[index].fromLastOccurrenceOf(".", true, false), std::make_unique<juce::MemoryInputStream>(*fileBlocks[index], false), font);
changeCurrentFile(index);
}
// used ONLY for changing the current file to an EXISTING file.
// much faster than openFile(int index) because it doesn't reparse any files.
// parsersLock AND effectsLock must be locked before calling this function
void OscirenderAudioProcessor::changeCurrentFile(int index) {
if (index == -1) {
currentFile = -1;
changeSound(defaultSound);
}
if (index < 0 || index >= fileBlocks.size()) {
return;
}
currentFile = index;
changeSound(sounds[index]);
}
void OscirenderAudioProcessor::changeSound(ShapeSound::Ptr sound) {
if (!objectServerRendering || sound == objectServerSound) {
synth.clearSounds();
synth.addSound(sound);
for (int i = 0; i < synth.getNumVoices(); i++) {
auto voice = dynamic_cast<ShapeVoice*>(synth.getVoice(i));
voice->updateSound(sound.get());
}
}
}
void OscirenderAudioProcessor::notifyErrorListeners(int lineNumber, juce::String id, juce::String error) {
juce::SpinLock::ScopedLockType lock(errorListenersLock);
for (auto listener : errorListeners) {
if (listener->getId() == id) {
listener->onError(lineNumber, error);
}
}
}
int OscirenderAudioProcessor::getCurrentFileIndex() {
return currentFile;
}
std::shared_ptr<FileParser> OscirenderAudioProcessor::getCurrentFileParser() {
return parsers[currentFile];
}
juce::String OscirenderAudioProcessor::getCurrentFileName() {
if (objectServerRendering || currentFile == -1) {
return "";
} else {
return fileNames[currentFile];
}
}
juce::String OscirenderAudioProcessor::getFileName(int index) {
return fileNames[index];
}
juce::String OscirenderAudioProcessor::getFileId(int index) {
return juce::String(fileIds[index]);
}
std::shared_ptr<juce::MemoryBlock> OscirenderAudioProcessor::getFileBlock(int index) {
return fileBlocks[index];
}
void OscirenderAudioProcessor::setObjectServerRendering(bool enabled) {
{
juce::SpinLock::ScopedLockType lock1(parsersLock);
objectServerRendering = enabled;
if (enabled) {
changeSound(objectServerSound);
} else {
changeCurrentFile(currentFile);
}
}
{
juce::MessageManagerLock lock;
fileChangeBroadcaster.sendChangeMessage();
}
}
void OscirenderAudioProcessor::processBlock(juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages) {
juce::ScopedNoDenormals noDenormals;
// Audio info variables
int totalNumInputChannels = getTotalNumInputChannels();
int totalNumOutputChannels = getTotalNumOutputChannels();
double sampleRate = getSampleRate();
// MIDI transport info variables (defaults to 60bpm, 4/4 time signature at zero seconds and not playing)
double bpm = 60;
double playTimeSeconds = 0;
bool isPlaying = false;
juce::AudioPlayHead::TimeSignature timeSig;
// Get MIDI transport info
playHead = this->getPlayHead();
if (playHead != nullptr) {
auto pos = playHead->getPosition();
if (pos.hasValue()) {
juce::AudioPlayHead::PositionInfo pi = *pos;
bpm = pi.getBpm().orFallback(bpm);
playTimeSeconds = pi.getTimeInSeconds().orFallback(playTimeSeconds);
isPlaying = pi.getIsPlaying();
timeSig = pi.getTimeSignature().orFallback(timeSig);
}
}
// Calculated number of beats
// TODO: To make this more resilient to changing BPMs, we should change how this is calculated
// or use another property of the AudioPlayHead::PositionInfo
double playTimeBeats = bpm * playTimeSeconds / 60;
// Calculated time per sample in seconds and beats
double sTimeSec = 1.f / sampleRate;
double sTimeBeats = bpm * sTimeSec / 60;
// merge keyboard state and midi messages
keyboardState.processNextMidiBuffer(midiMessages, 0, buffer.getNumSamples(), true);
bool usingInput = inputEnabled->getBoolValue();
bool usingMidi = midiEnabled->getBoolValue();
if (!usingMidi) {
midiMessages.clear();
}
// if midi enabled has changed state
if (prevMidiEnabled != usingMidi) {
for (int i = 1; i <= 16; i++) {
midiMessages.addEvent(juce::MidiMessage::allNotesOff(i), i);
}
}
// if midi has just been disabled or we need to retrigger
if (!usingMidi && (retriggerMidi || prevMidiEnabled)) {
midiMessages.addEvent(juce::MidiMessage::noteOn(1, 60, 1.0f), 17);
retriggerMidi = false;
}
prevMidiEnabled = usingMidi;
const double EPSILON = 0.00001;
juce::AudioBuffer<float> inputBuffer = juce::AudioBuffer<float>(totalNumInputChannels, buffer.getNumSamples());
for (auto channel = 0; channel < totalNumInputChannels; channel++) {
inputBuffer.copyFrom(channel, 0, buffer, channel, 0, buffer.getNumSamples());
}
juce::AudioBuffer<float> outputBuffer3d = juce::AudioBuffer<float>(3, buffer.getNumSamples());
outputBuffer3d.clear();
if (usingInput && totalNumInputChannels >= 2) {
for (auto channel = 0; channel < juce::jmin(2, totalNumInputChannels); channel++) {
outputBuffer3d.copyFrom(channel, 0, inputBuffer, channel, 0, buffer.getNumSamples());
}
// handle all midi messages
auto midiIterator = midiMessages.cbegin();
std::for_each(midiIterator,
midiMessages.cend(),
[&] (const juce::MidiMessageMetadata& meta) { synth.publicHandleMidiEvent(meta.getMessage()); }
);
} else {
juce::SpinLock::ScopedLockType lock1(parsersLock);
juce::SpinLock::ScopedLockType lock2(effectsLock);
synth.renderNextBlock(outputBuffer3d, midiMessages, 0, buffer.getNumSamples());
for (int i = 0; i < synth.getNumVoices(); i++) {
auto voice = dynamic_cast<ShapeVoice*>(synth.getVoice(i));
if (voice->isVoiceActive()) {
customEffect->frequency = voice->getFrequency();
break;
}
}
}
midiMessages.clear();
auto* channelData = buffer.getArrayOfWritePointers();
for (int sample = 0; sample < buffer.getNumSamples(); ++sample) {
// Update frame animation
if (animateFrames->getValue()) {
if (animationSyncBPM->getValue()) {
animationTime = playTimeBeats;
} else {
animationTime = playTimeSeconds;
}
juce::SpinLock::ScopedLockType lock1(parsersLock);
juce::SpinLock::ScopedLockType lock2(effectsLock);
if (currentFile >= 0 && sounds[currentFile]->parser->isAnimatable) {
int animFrame = (int)(animationTime * animationRate->getValueUnnormalised() + animationOffset->getValueUnnormalised());
auto lineArt = sounds[currentFile]->parser->getLineArt();
auto img = sounds[currentFile]->parser->getImg();
if (lineArt != nullptr) {
lineArt->setFrame(animFrame);
} else if (img != nullptr) {
img->setFrame(animFrame);
}
}
}
auto left = 0.0;
auto right = 0.0;
if (totalNumInputChannels >= 2) {
left = inputBuffer.getSample(0, sample);
right = inputBuffer.getSample(1, sample);
} else if (totalNumInputChannels == 1) {
left = inputBuffer.getSample(0, sample);
right = inputBuffer.getSample(0, sample);
}
// update volume using a moving average
int oldestBufferIndex = (volumeBufferIndex + 1) % volumeBuffer.size();
squaredVolume -= volumeBuffer[oldestBufferIndex] / volumeBuffer.size();
volumeBufferIndex = oldestBufferIndex;
volumeBuffer[volumeBufferIndex] = (left * left + right * right) / 2;
squaredVolume += volumeBuffer[volumeBufferIndex] / volumeBuffer.size();
currentVolume = std::sqrt(squaredVolume);
currentVolume = juce::jlimit(0.0, 1.0, currentVolume);
OsciPoint channels = { outputBuffer3d.getSample(0, sample), outputBuffer3d.getSample(1, sample), outputBuffer3d.getSample(2, sample) };
{
juce::SpinLock::ScopedLockType lock1(parsersLock);
juce::SpinLock::ScopedLockType lock2(effectsLock);
if (volume > EPSILON) {
for (auto& effect : toggleableEffects) {
if (effect->enabled->getValue()) {
channels = effect->apply(sample, channels, currentVolume);
}
}
}
for (auto& effect : permanentEffects) {
channels = effect->apply(sample, channels, currentVolume);
}
auto lua = currentFile >= 0 ? sounds[currentFile]->parser->getLua() : nullptr;
if (lua != nullptr || custom->enabled->getBoolValue()) {
for (auto& effect : luaEffects) {
effect->apply(sample, channels, currentVolume);
}
}
}
double x = channels.x;
double y = channels.y;
x *= volume;
y *= volume;
// clip
x = juce::jmax(-threshold, juce::jmin(threshold.load(), x));
y = juce::jmax(-threshold, juce::jmin(threshold.load(), y));
if (totalNumOutputChannels >= 2) {
channelData[0][sample] = x;
channelData[1][sample] = y;
} else if (totalNumOutputChannels == 1) {
channelData[0][sample] = x;
}
threadManager.write(OsciPoint(x, y, 1));
if (isPlaying) {
playTimeSeconds += sTimeSec;
playTimeBeats += sTimeBeats;
}
}
// used for any callback that must guarantee all audio is recieved (e.g. when recording to a file)
juce::SpinLock::ScopedLockType lock(audioThreadCallbackLock);
if (audioThreadCallback != nullptr) {
audioThreadCallback(buffer);
}
}
//==============================================================================
bool OscirenderAudioProcessor::hasEditor() const {
return true; // (change this to false if you choose to not supply an editor)
}
juce::AudioProcessorEditor* OscirenderAudioProcessor::createEditor() {
auto editor = new OscirenderAudioProcessorEditor(*this);
return editor;
}
//==============================================================================
void OscirenderAudioProcessor::getStateInformation(juce::MemoryBlock& destData) {
juce::SpinLock::ScopedLockType lock1(parsersLock);
juce::SpinLock::ScopedLockType lock2(effectsLock);
std::unique_ptr<juce::XmlElement> xml = std::make_unique<juce::XmlElement>("project");
xml->setAttribute("version", ProjectInfo::versionString);
auto effectsXml = xml->createNewChildElement("effects");
for (auto effect : allEffects) {
effect->save(effectsXml->createNewChildElement("effect"));
}
auto booleanParametersXml = xml->createNewChildElement("booleanParameters");
for (auto parameter : booleanParameters) {
auto parameterXml = booleanParametersXml->createNewChildElement("parameter");
parameter->save(parameterXml);
}
auto floatParametersXml = xml->createNewChildElement("floatParameters");
for (auto parameter : floatParameters) {
auto parameterXml = floatParametersXml->createNewChildElement("parameter");
parameter->save(parameterXml);
}
auto intParametersXml = xml->createNewChildElement("intParameters");
for (auto parameter : intParameters) {
auto parameterXml = intParametersXml->createNewChildElement("parameter");
parameter->save(parameterXml);
}
auto customFunction = xml->createNewChildElement("customFunction");
customFunction->addTextElement(juce::Base64::toBase64(customEffect->getCode()));
auto fontXml = xml->createNewChildElement("font");
fontXml->setAttribute("family", font.getTypefaceName());
fontXml->setAttribute("bold", font.isBold());
fontXml->setAttribute("italic", font.isItalic());
auto filesXml = xml->createNewChildElement("files");
for (int i = 0; i < fileBlocks.size(); i++) {
auto fileXml = filesXml->createNewChildElement("file");
fileXml->setAttribute("name", fileNames[i]);
auto base64 = fileBlocks[i]->toBase64Encoding();
fileXml->addTextElement(base64);
}
xml->setAttribute("currentFile", currentFile);
copyXmlToBinary(*xml, destData);
}
void OscirenderAudioProcessor::setStateInformation(const void* data, int sizeInBytes) {
std::unique_ptr<juce::XmlElement> xml;
const uint32_t magicXmlNumber = 0x21324356;
if (sizeInBytes > 8 && juce::ByteOrder::littleEndianInt(data) == magicXmlNumber) {
// this is a binary xml format
xml = getXmlFromBinary(data, sizeInBytes);
} else {
// this is a text xml format
xml = juce::XmlDocument::parse(juce::String((const char*)data, sizeInBytes));
}
if (xml.get() != nullptr && xml->hasTagName("project")) {
auto versionXml = xml->getChildByName("version");
if (versionXml != nullptr && versionXml->getAllSubText().startsWith("v1.")) {
openLegacyProject(xml.get());
return;
}
auto version = xml->hasAttribute("version") ? xml->getStringAttribute("version") : "2.0.0";
juce::SpinLock::ScopedLockType lock1(parsersLock);
juce::SpinLock::ScopedLockType lock2(effectsLock);
auto effectsXml = xml->getChildByName("effects");
if (effectsXml != nullptr) {
for (auto effectXml : effectsXml->getChildIterator()) {
auto effect = getEffect(effectXml->getStringAttribute("id"));
if (effect != nullptr) {
effect->load(effectXml);
}
}
}
updateEffectPrecedence();
auto booleanParametersXml = xml->getChildByName("booleanParameters");
if (booleanParametersXml != nullptr) {
for (auto parameterXml : booleanParametersXml->getChildIterator()) {
auto parameter = getBooleanParameter(parameterXml->getStringAttribute("id"));
if (parameter != nullptr) {
parameter->load(parameterXml);
}
}
}
auto floatParametersXml = xml->getChildByName("floatParameters");
if (floatParametersXml != nullptr) {
for (auto parameterXml : floatParametersXml->getChildIterator()) {
auto parameter = getFloatParameter(parameterXml->getStringAttribute("id"));
if (parameter != nullptr) {
parameter->load(parameterXml);
}
}
}
auto intParametersXml = xml->getChildByName("intParameters");
if (intParametersXml != nullptr) {
for (auto parameterXml : intParametersXml->getChildIterator()) {
auto parameter = getIntParameter(parameterXml->getStringAttribute("id"));
if (parameter != nullptr) {
parameter->load(parameterXml);
}
}
}
auto customFunction = xml->getChildByName("customFunction");
if (customFunction == nullptr) {
customFunction = xml->getChildByName("perspectiveFunction");
}
if (customFunction != nullptr) {
auto stream = juce::MemoryOutputStream();
juce::Base64::convertFromBase64(stream, customFunction->getAllSubText());
customEffect->updateCode(stream.toString());
}
auto fontXml = xml->getChildByName("font");
if (fontXml != nullptr) {
auto family = fontXml->getStringAttribute("family");
auto bold = fontXml->getBoolAttribute("bold");
auto italic = fontXml->getBoolAttribute("italic");
juce::SpinLock::ScopedLockType lock(fontLock);
font = juce::Font(family, 1.0, (bold ? juce::Font::bold : 0) | (italic ? juce::Font::italic : 0));
}
// close all files
auto numFiles = fileBlocks.size();
for (int i = 0; i < numFiles; i++) {
removeFile(0);
}
auto filesXml = xml->getChildByName("files");
if (filesXml != nullptr) {
for (auto fileXml : filesXml->getChildIterator()) {
auto fileName = fileXml->getStringAttribute("name");
auto text = fileXml->getAllSubText();
std::shared_ptr<juce::MemoryBlock> fileBlock;
if (lessThanVersion(version, "2.2.0")) {
// Older versions of osci-render opened files in a silly way
auto stream = juce::MemoryOutputStream();
juce::Base64::convertFromBase64(stream, text);
fileBlock = std::make_shared<juce::MemoryBlock>(stream.getData(), stream.getDataSize());
} else {
fileBlock = std::make_shared<juce::MemoryBlock>();
fileBlock->fromBase64Encoding(text);
}
addFile(fileName, fileBlock);
}
}
changeCurrentFile(xml->getIntAttribute("currentFile", -1));
broadcaster.sendChangeMessage();
prevMidiEnabled = !midiEnabled->getBoolValue();
}
}
void OscirenderAudioProcessor::parameterValueChanged(int parameterIndex, float newValue) {
for (auto effect : luaEffects) {
if (parameterIndex == effect->parameters[0]->getParameterIndex()) {
effect->apply();
}
}
if (parameterIndex == voices->getParameterIndex()) {
int numVoices = voices->getValueUnnormalised();
// if the number of voices has changed, update the synth without clearing all the voices
if (numVoices != synth.getNumVoices()) {
if (numVoices > synth.getNumVoices()) {
for (int i = synth.getNumVoices(); i < numVoices; i++) {
synth.addVoice(new ShapeVoice(*this));
}
} else {
for (int i = synth.getNumVoices() - 1; i >= numVoices; i--) {
synth.removeVoice(i);
}
}
}
}
}
void OscirenderAudioProcessor::parameterGestureChanged(int parameterIndex, bool gestureIsStarting) {}
void updateIfApproxEqual(FloatParameter* parameter, float newValue) {
if (std::abs(parameter->getValueUnnormalised() - newValue) > 0.0001) {
parameter->setUnnormalisedValueNotifyingHost(newValue);
}
}
void OscirenderAudioProcessor::envelopeChanged(EnvelopeComponent* changedEnvelope) {
Env env = changedEnvelope->getEnv();
std::vector<double> levels = env.getLevels();
std::vector<double> times = env.getTimes();
EnvCurveList curves = env.getCurves();
if (levels.size() == 4 && times.size() == 3 && curves.size() == 3) {
{
juce::SpinLock::ScopedLockType lock(effectsLock);
this->adsrEnv = env;
}
updateIfApproxEqual(attackTime, times[0]);
updateIfApproxEqual(attackLevel, levels[1]);
updateIfApproxEqual(attackShape, curves[0].getCurve());
updateIfApproxEqual(decayTime, times[1]);
updateIfApproxEqual(sustainLevel, levels[2]);
updateIfApproxEqual(decayShape, curves[1].getCurve());
updateIfApproxEqual(releaseTime, times[2]);
updateIfApproxEqual(releaseShape, curves[2].getCurve());
}
}
double OscirenderAudioProcessor::getSampleRate() {
return currentSampleRate;
}
//==============================================================================
// This creates new instances of the plugin..
juce::AudioProcessor* JUCE_CALLTYPE createPluginFilter()
{
return new OscirenderAudioProcessor();
}
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