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ryujinx-fork/Ryujinx.Audio/Renderer/Server/Upsampler/UpsamplerState.cs
merry 41bba5310a
Audren: Implement polyphase upsampler (#4256)
* Audren: Implement polyphase upsampler

* prefer shifting to modulo

* prefer MathF

* fix nits

* rm ResampleForUpsampler

* oop

* Array20

* nits
2023-01-15 05:20:49 +01:00

68 lines
No EOL
2.1 KiB
C#

using System;
namespace Ryujinx.Audio.Renderer.Server.Upsampler
{
/// <summary>
/// Server state for a upsampling.
/// </summary>
public class UpsamplerState
{
/// <summary>
/// The output buffer containing the target samples.
/// </summary>
public Memory<float> OutputBuffer { get; }
/// <summary>
/// The target sample count.
/// </summary>
public uint SampleCount { get; }
/// <summary>
/// The index of the <see cref="UpsamplerState"/>. (used to free it)
/// </summary>
private int _index;
/// <summary>
/// The <see cref="UpsamplerManager"/>.
/// </summary>
private UpsamplerManager _manager;
/// <summary>
/// The source sample count.
/// </summary>
public uint SourceSampleCount;
/// <summary>
/// The input buffer indices of the buffers holding the samples that need upsampling.
/// </summary>
public ushort[] InputBufferIndices;
/// <summary>
/// State of each input buffer index kept across invocations of the upsampler.
/// </summary>
public UpsamplerBufferState[] BufferStates;
/// <summary>
/// Create a new <see cref="UpsamplerState"/>.
/// </summary>
/// <param name="manager">The upsampler manager.</param>
/// <param name="index">The index of the <see cref="UpsamplerState"/>. (used to free it)</param>
/// <param name="outputBuffer">The output buffer used to contain the target samples.</param>
/// <param name="sampleCount">The target sample count.</param>
public UpsamplerState(UpsamplerManager manager, int index, Memory<float> outputBuffer, uint sampleCount)
{
_manager = manager;
_index = index;
OutputBuffer = outputBuffer;
SampleCount = sampleCount;
}
/// <summary>
/// Release the <see cref="UpsamplerState"/>.
/// </summary>
public void Release()
{
_manager.Free(_index);
}
}
}