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[Audio] Correct float PCM endpoint conversion (#291)

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This commit is contained in:
jimmyjumbo
2026-07-17 02:13:06 +02:00
committed by GitHub
parent 8ee0fe8e44
commit 3585519007
2 changed files with 70 additions and 2 deletions
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src/SharpEmu.Libs/Audio/AudioPcmConversion.cs
+13 -2
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@@ -52,8 +52,19 @@ internal static class AudioPcmConversion
}
var bits = BinaryPrimitives.ReadInt32LittleEndian(sample);
var value = Math.Clamp(BitConverter.Int32BitsToSingle(bits), -1.0f, 1.0f);
return checked((short)MathF.Round(value * short.MaxValue));
return ConvertFloatSample(BitConverter.Int32BitsToSingle(bits));
}
private static short ConvertFloatSample(float value)
{
if (float.IsNaN(value))
{
return 0;
}
value = Math.Clamp(value, -1.0f, 1.0f);
var scale = value < 0.0f ? 32768.0f : short.MaxValue;
return checked((short)MathF.Round(value * scale));
}
private static short ApplyVolume(short sample, float volume)