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//
// Copyright (c) 2019-2021 Ryujinx
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
//
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.Audio.Renderer.Parameter.Effect
{
/// <summary>
/// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.AuxiliaryBuffer"/> and <see cref="Common.EffectType.CaptureBuffer"/>.
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct AuxiliaryBufferParameter
{
/// <summary>
/// The input channel indices that will be used by the <see cref="Dsp.AudioProcessor"/> to write data to <see cref="SendBufferInfoAddress"/>.
/// </summary>
public Array24<byte> Input;
/// <summary>
/// The output channel indices that will be used by the <see cref="Dsp.AudioProcessor"/> to read data from <see cref="ReturnBufferInfoAddress"/>.
/// </summary>
public Array24<byte> Output;
/// <summary>
/// The total channel count used.
/// </summary>
public uint ChannelCount;
/// <summary>
/// The target sample rate.
/// </summary>
public uint SampleRate;
/// <summary>
/// The buffer storage total size.
/// </summary>
public uint BufferStorageSize;
/// <summary>
/// The maximum number of channels supported.
/// </summary>
/// <remarks>This is unused.</remarks>
public uint ChannelCountMax;
/// <summary>
/// The address of the start of the region containing two <see cref="Dsp.State.AuxiliaryBufferHeader"/> followed by the data that will be written by the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
public ulong SendBufferInfoAddress;
/// <summary>
/// The address of the start of the region containling data that will be written by the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
/// <remarks>This is unused.</remarks>
public ulong SendBufferStorageAddress;
/// <summary>
/// The address of the start of the region containing two <see cref="Dsp.State.AuxiliaryBufferHeader"/> followed by the data that will be read by the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
/// <remarks>Unused with <see cref="Common.EffectType.CaptureBuffer"/>.</remarks>
public ulong ReturnBufferInfoAddress;
/// <summary>
/// The address of the start of the region containling data that will be read by the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
/// <remarks>This is unused.</remarks>
public ulong ReturnBufferStorageAddress;
/// <summary>
/// Size of a sample of the mix buffer.
/// </summary>
/// <remarks>This is unused.</remarks>
public uint MixBufferSampleSize;
/// <summary>
/// The total count of sample that can be stored.
/// </summary>
/// <remarks>This is unused.</remarks>
public uint TotalSampleCount;
/// <summary>
/// The count of sample of the mix buffer.
/// </summary>
/// <remarks>This is unused.</remarks>
public uint MixBufferSampleCount;
}
}
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