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ryujinx-fork/Ryujinx.Audio/Renderer/Dsp/State/LimiterState.cs
Mary-nyan 40311310d1
amadeus: Add missing compressor effect from REV11 (#4010)
* amadeus: Add missing compressor effect from REV11

This was in my reversing notes but seems I completely forgot to
implement it

Also took the opportunity to simplify the Limiter effect a bit.

* Remove some outdated comment

* Address gdkchan's comments
2022-12-06 15:04:25 +01:00

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1.2 KiB
C#

using Ryujinx.Audio.Renderer.Dsp.Effect;
using Ryujinx.Audio.Renderer.Parameter.Effect;
using System;
namespace Ryujinx.Audio.Renderer.Dsp.State
{
public class LimiterState
{
public ExponentialMovingAverage[] DetectorAverage;
public ExponentialMovingAverage[] CompressionGainAverage;
public float[] DelayedSampleBuffer;
public int[] DelayedSampleBufferPosition;
public LimiterState(ref LimiterParameter parameter, ulong workBuffer)
{
DetectorAverage = new ExponentialMovingAverage[parameter.ChannelCount];
CompressionGainAverage = new ExponentialMovingAverage[parameter.ChannelCount];
DelayedSampleBuffer = new float[parameter.ChannelCount * parameter.DelayBufferSampleCountMax];
DelayedSampleBufferPosition = new int[parameter.ChannelCount];
DetectorAverage.AsSpan().Fill(new ExponentialMovingAverage(0.0f));
CompressionGainAverage.AsSpan().Fill(new ExponentialMovingAverage(1.0f));
DelayedSampleBufferPosition.AsSpan().Fill(0);
DelayedSampleBuffer.AsSpan().Fill(0.0f);
UpdateParameter(ref parameter);
}
public void UpdateParameter(ref LimiterParameter parameter) { }
}
}