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amadeus: Add missing compressor effect from REV11 (#4010)

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* 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* Remove some outdated comment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
This commit is contained in:
Mary-nyan 2022-12-06 15:04:25 +01:00 • committed by GitHub
parent dde9bb5c69
commit 40311310d1
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24 changed files with 658 additions and 27 deletions
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13
Ryujinx.Audio/Renderer/Dsp/State/LimiterState.cs
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@ -1,3 +1,4 @@
using Ryujinx.Audio.Renderer.Dsp.Effect;
using Ryujinx.Audio.Renderer.Parameter.Effect;
using System;
@ -5,20 +6,20 @@ namespace Ryujinx.Audio.Renderer.Dsp.State
{
public class LimiterState
{
public float[] DectectorAverage;
public float[] CompressionGain;
public ExponentialMovingAverage[] DetectorAverage;
public ExponentialMovingAverage[] CompressionGainAverage;
public float[] DelayedSampleBuffer;
public int[] DelayedSampleBufferPosition;
public LimiterState(ref LimiterParameter parameter, ulong workBuffer)
{
DectectorAverage = new float[parameter.ChannelCount];
CompressionGain = new float[parameter.ChannelCount];
DetectorAverage = new ExponentialMovingAverage[parameter.ChannelCount];
CompressionGainAverage = new ExponentialMovingAverage[parameter.ChannelCount];
DelayedSampleBuffer = new float[parameter.ChannelCount * parameter.DelayBufferSampleCountMax];
DelayedSampleBufferPosition = new int[parameter.ChannelCount];
DectectorAverage.AsSpan().Fill(0.0f);
CompressionGain.AsSpan().Fill(1.0f);
DetectorAverage.AsSpan().Fill(new ExponentialMovingAverage(0.0f));
CompressionGainAverage.AsSpan().Fill(new ExponentialMovingAverage(1.0f));
DelayedSampleBufferPosition.AsSpan().Fill(0);
DelayedSampleBuffer.AsSpan().Fill(0.0f);