void Start()
{
var format = ChannelEnumConverter.GetSoundFormatFromSpeakerMode(AudioSettings.speakerMode);
var channels = ChannelEnumConverter.GetChannelCountFromSoundFormat(format);
AudioSettings.GetDSPBufferSize(out var bufferLength, out var numBuffers);
var sampleRate = AudioSettings.outputSampleRate;
m_Graph = DSPGraph.Create(format, channels, bufferLength, sampleRate);
var driver = new DefaultDSPGraphDriver {
Graph = m_Graph
};
driver.AttachToDefaultOutput();
using (var block = m_Graph.CreateCommandBlock())
{
m_NoiseFilter = block.CreateDSPNode <NoiseFilter.Parameters, NoiseFilter.Providers, NoiseFilter>();
block.AddOutletPort(m_NoiseFilter, 2, SoundFormat.Stereo);
m_LowPass = StateVariableFilter.Create(block, StateVariableFilter.FilterType.Lowpass);
block.Connect(m_NoiseFilter, 0, m_LowPass, 0);
block.Connect(m_LowPass, 0, m_Graph.RootDSP, 0);
}
}
private void Initialize(SampleRate sampleRate, StereoBuffer buffer)
{
emptyFMModulator = new EmptyMonoComponent(sampleRate, new MonoBuffer(0));
slewLimiter = new SlewLimiter(sampleRate, new MonoBuffer(0), "Portamento");
slewLimiter.SynthesizeReplaceEnabled = true;
envelope1 = new AdsrEnvelope(sampleRate, new MonoBuffer(0), "Envelope 1");
envelope1.SynthesizeReplaceEnabled = true;
envelope2 = new AdsrEnvelope(sampleRate, new MonoBuffer(0), "Envelope 2");
envelope2.SynthesizeReplaceEnabled = true;
lfo1 = new Lfo(sampleRate, new MonoBuffer(0), "LFO 1");
lfo1.SynthesizeReplaceEnabled = true;
lfo2 = new Lfo(sampleRate, new MonoBuffer(0), "LFO 2");
lfo2.SynthesizeReplaceEnabled = true;
Wavetable wave = Wavetable.Load("Sawtooth");
osc1 = new Oscillator(sampleRate, new MonoBuffer(0), "Oscillator 1", wave, emptyFMModulator, slewLimiter);
osc1.SynthesizeReplaceEnabled = true;
osc2 = new Oscillator(sampleRate, new MonoBuffer(0), "Oscillator 2", wave, emptyFMModulator, slewLimiter);
osc2.SynthesizeReplaceEnabled = true;
filter = new StateVariableFilter(sampleRate, new MonoBuffer(0), "State Variable Filter", osc1, osc2, envelope2, lfo2, envelope1);
filter.SynthesizeReplaceEnabled = true;
converter = new MonoToStereoConverter(sampleRate, buffer, filter);
converter.SynthesizeReplaceEnabled = false;
oscWaveProgrammer1 = new OscWaveProgrammer("Oscillator 1", osc1);
oscWaveProgrammer2 = new OscWaveProgrammer("Oscillator 2", osc2);
oscFMProgrammer1 = new OscFMProgrammer("Oscillator 1", osc1, emptyFMModulator, envelope1, envelope2, lfo1, lfo2);
oscFMProgrammer2 = new OscFMProgrammer("Oscillator 2", osc2, emptyFMModulator, envelope1, envelope2, lfo1, lfo2);
AddComponent(emptyFMModulator);
AddComponent(slewLimiter);
AddComponent(osc1);
AddComponent(osc2);
AddComponent(envelope1);
AddComponent(envelope2);
AddComponent(lfo1);
AddComponent(lfo2);
AddComponent(filter);
AddComponent(converter);
AddParameters(slewLimiter);
AddParameters(osc1);
AddParameters(oscWaveProgrammer1);
AddParameters(oscFMProgrammer1);
AddParameters(osc2);
AddParameters(oscWaveProgrammer2);
AddParameters(oscFMProgrammer2);
AddParameters(envelope1);
AddParameters(envelope2);
AddParameters(lfo1);
AddParameters(lfo2);
AddParameters(filter);
AddBendable(osc1);
AddBendable(osc2);
AddControllable(lfo1);
AddControllable(lfo2);
}
