Ryujinx/Ryujinx.Audio/Renderer/Dsp/Effect/DecayDelay.cs

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C#
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namespace Ryujinx.Audio.Renderer.Dsp.Effect
{
public class DecayDelay : IDelayLine
{
private readonly IDelayLine _delayLine;
public uint CurrentSampleCount => _delayLine.CurrentSampleCount;
public uint SampleCountMax => _delayLine.SampleCountMax;
private float _decayRate;
public DecayDelay(IDelayLine delayLine)
{
_decayRate = 0.0f;
_delayLine = delayLine;
}
public void SetDecayRate(float decayRate)
{
_decayRate = decayRate;
}
public float Update(float value)
{
float delayLineValue = _delayLine.Read();
float processedValue = value - (_decayRate * delayLineValue);
return _delayLine.Update(processedValue) + processedValue * _decayRate;
}
public void SetDelay(float delayTime)
{
_delayLine.SetDelay(delayTime);
}
public float Read()
{
return _delayLine.Read();
}
public float TapUnsafe(uint sampleIndex, int offset)
{
return _delayLine.TapUnsafe(sampleIndex, offset);
}
public float Tap(uint sampleIndex)
{
return _delayLine.Tap(sampleIndex);
}
}
}