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audio: Cleanup Ryujinx.Audio and fix OpenAL issue (#1746)

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* audio: Cleanup SoundIO and fix OpenAL issue

* fix tabs by spaces

* Fix extra spaces

* Fix SoundIO.cs

* Fix ContainsAudioOutBuffer
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Ac_K 2020-11-27 20:55:00 +01:00 • committed by GitHub
parent 0108004691
commit 7b66cb0d90
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25 changed files with 1459 additions and 1322 deletions
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30
Ryujinx.Audio/Downmixing.cs
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@ -24,27 +24,31 @@ namespace Ryujinx.Audio
public short Right;
}
private const int Q15Bits = 16;
private const int RawQ15One = 1 << Q15Bits;
private const int RawQ15HalfOne = (int)(0.5f * RawQ15One);
private const int Minus3dBInQ15 = (int)(0.707f * RawQ15One);
private const int Minus6dBInQ15 = (int)(0.501f * RawQ15One);
private const int Q15Bits = 16;
private const int RawQ15One = 1 << Q15Bits;
private const int RawQ15HalfOne = (int)(0.5f * RawQ15One);
private const int Minus3dBInQ15 = (int)(0.707f * RawQ15One);
private const int Minus6dBInQ15 = (int)(0.501f * RawQ15One);
private const int Minus12dBInQ15 = (int)(0.251f * RawQ15One);
private static int[] DefaultSurroundToStereoCoefficients = new int[4]
private static readonly int[] DefaultSurroundToStereoCoefficients = new int[4]
{
RawQ15One,
Minus3dBInQ15,
Minus12dBInQ15,
Minus3dBInQ15,
Minus3dBInQ15
};
private static int[] DefaultStereoToMonoCoefficients = new int[2]
private static readonly int[] DefaultStereoToMonoCoefficients = new int[2]
{
Minus6dBInQ15,
Minus6dBInQ15,
Minus6dBInQ15
};
private const int SurroundChannelCount = 6;
private const int StereoChannelCount = 2;
private const int MonoChannelCount = 1;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static ReadOnlySpan<Channel51FormatPCM16> GetSurroundBuffer(ReadOnlySpan<short> data)
{
@ -72,9 +76,6 @@ namespace Ryujinx.Audio
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static short[] DownMixSurroundToStereo(ReadOnlySpan<int> coefficients, ReadOnlySpan<short> data)
{
const int SurroundChannelCount = 6;
const int StereoChannelCount = 2;
int samplePerChannelCount = data.Length / SurroundChannelCount;
short[] downmixedBuffer = new short[samplePerChannelCount * StereoChannelCount];
@ -85,7 +86,7 @@ namespace Ryujinx.Audio
{
Channel51FormatPCM16 channel = channels[i];
downmixedBuffer[i * 2] = DownMixSurroundToStereo(coefficients, channel.BackLeft, channel.LowFrequency, channel.FrontCenter, channel.FrontLeft);
downmixedBuffer[i * 2] = DownMixSurroundToStereo(coefficients, channel.BackLeft, channel.LowFrequency, channel.FrontCenter, channel.FrontLeft);
downmixedBuffer[i * 2 + 1] = DownMixSurroundToStereo(coefficients, channel.BackRight, channel.LowFrequency, channel.FrontCenter, channel.FrontRight);
}
@ -95,9 +96,6 @@ namespace Ryujinx.Audio
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static short[] DownMixStereoToMono(ReadOnlySpan<int> coefficients, ReadOnlySpan<short> data)
{
const int StereoChannelCount = 2;
const int MonoChannelCount = 1;
int samplePerChannelCount = data.Length / StereoChannelCount;
short[] downmixedBuffer = new short[samplePerChannelCount * MonoChannelCount];