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PluginProcessor.cpp
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182 lines (152 loc) · 5.62 KB
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/*
==============================================================================
This file contains the basic framework code for a JUCE plugin processor.
==============================================================================
*/
#include "PluginProcessor.h"
#include "PluginEditor.h"
//==============================================================================
BasicOscillatorAudioProcessor::BasicOscillatorAudioProcessor()
#ifndef JucePlugin_PreferredChannelConfigurations
: AudioProcessor (BusesProperties()
#if ! JucePlugin_IsMidiEffect
#if ! JucePlugin_IsSynth
.withInput ("Input", juce::AudioChannelSet::stereo(), false)
#endif
.withOutput ("Output", juce::AudioChannelSet::stereo(), true)
#endif
)
#endif
{
}
BasicOscillatorAudioProcessor::~BasicOscillatorAudioProcessor()
{
}
//==============================================================================
const juce::String BasicOscillatorAudioProcessor::getName() const
{
return JucePlugin_Name;
}
bool BasicOscillatorAudioProcessor::acceptsMidi() const
{
#if JucePlugin_WantsMidiInput
return true;
#else
return false;
#endif
}
bool BasicOscillatorAudioProcessor::producesMidi() const
{
#if JucePlugin_ProducesMidiOutput
return true;
#else
return false;
#endif
}
bool BasicOscillatorAudioProcessor::isMidiEffect() const
{
#if JucePlugin_IsMidiEffect
return true;
#else
return false;
#endif
}
double BasicOscillatorAudioProcessor::getTailLengthSeconds() const
{
return 0.0;
}
int BasicOscillatorAudioProcessor::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 BasicOscillatorAudioProcessor::getCurrentProgram()
{
return 0;
}
void BasicOscillatorAudioProcessor::setCurrentProgram (int index)
{
}
const juce::String BasicOscillatorAudioProcessor::getProgramName (int index)
{
return {};
}
void BasicOscillatorAudioProcessor::changeProgramName (int index, const juce::String& newName)
{
}
//==============================================================================
void BasicOscillatorAudioProcessor::prepareToPlay (double sampleRate, int samplesPerBlock)
{
juce::dsp::ProcessSpec spec;
spec.maximumBlockSize = samplesPerBlock;
spec.sampleRate = sampleRate;
spec.numChannels = getTotalNumOutputChannels();
osc.prepare (spec);
gain.prepare (spec);
osc.setFrequency (220.0f);
gain.setGainLinear (0.01f);
}
void BasicOscillatorAudioProcessor::releaseResources()
{
// When playback stops, you can use this as an opportunity to free up any
// spare memory, etc.
}
#ifndef JucePlugin_PreferredChannelConfigurations
bool BasicOscillatorAudioProcessor::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.
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
void BasicOscillatorAudioProcessor::processBlock (juce::AudioBuffer<float>& buffer, juce::MidiBuffer& midiMessages)
{
juce::ScopedNoDenormals noDenormals;
auto totalNumInputChannels = getTotalNumInputChannels();
auto totalNumOutputChannels = getTotalNumOutputChannels();
for (auto i = totalNumInputChannels; i < totalNumOutputChannels; ++i)
buffer.clear (i, 0, buffer.getNumSamples());
juce::dsp::AudioBlock<float> audioBlock { buffer };
osc.process (juce::dsp::ProcessContextReplacing<float> (audioBlock));
gain.process (juce::dsp::ProcessContextReplacing<float> (audioBlock));
}
//==============================================================================
bool BasicOscillatorAudioProcessor::hasEditor() const
{
return true; // (change this to false if you choose to not supply an editor)
}
juce::AudioProcessorEditor* BasicOscillatorAudioProcessor::createEditor()
{
return new BasicOscillatorAudioProcessorEditor (*this);
}
//==============================================================================
void BasicOscillatorAudioProcessor::getStateInformation (juce::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.
}
void BasicOscillatorAudioProcessor::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 creates new instances of the plugin..
juce::AudioProcessor* JUCE_CALLTYPE createPluginFilter()
{
return new BasicOscillatorAudioProcessor();
}