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Ryujinx/Ryujinx.Audio/Renderer/Dsp/FixedPointHelper.cs
Mary-nyan 40311310d1
amadeus: Add missing compressor effect from REV11 ()
* 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* Remove some outdated comment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

39 lines
No EOL
1.1 KiB
C#

using System.Runtime.CompilerServices;
namespace Ryujinx.Audio.Renderer.Dsp
{
public static class FixedPointHelper
{
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ToInt(long value, int qBits)
{
return (int)(value >> qBits);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static float ToFloat(long value, int qBits)
{
return (float)value / (1 << qBits);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static float ConvertFloat(float value, int qBits)
{
return value / (1 << qBits);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int ToFixed(float value, int qBits)
{
return (int)(value * (1 << qBits));
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static int RoundUpAndToInt(long value, int qBits)
{
int half = 1 << (qBits - 1);
return ToInt(value + half, qBits);
}
}
}