Ryujinx/Ryujinx.Audio/Renderer/Parameter/EffectInParameterVersion1.cs

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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.Audio.Renderer.Common;
using Ryujinx.Common.Utilities;
using System;
using System.Runtime.InteropServices;
namespace Ryujinx.Audio.Renderer.Parameter
{
/// <summary>
/// Input information for an effect version 1.
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct EffectInParameterVersion1 : IEffectInParameter
{
/// <summary>
/// Type of the effect.
/// </summary>
public EffectType Type;
/// <summary>
/// Set to true if the effect is new.
/// </summary>
[MarshalAs(UnmanagedType.I1)]
public bool IsNew;
/// <summary>
/// Set to true if the effect must be active.
/// </summary>
[MarshalAs(UnmanagedType.I1)]
public bool IsEnabled;
/// <summary>
/// Reserved/padding.
/// </summary>
private byte _reserved1;
/// <summary>
/// The target mix id of the effect.
/// </summary>
public int MixId;
/// <summary>
/// Address of the processing workbuffer.
/// </summary>
/// <remarks>This is additional data that could be required by the effect processing.</remarks>
public ulong BufferBase;
/// <summary>
/// Size of the processing workbuffer.
/// </summary>
/// <remarks>This is additional data that could be required by the effect processing.</remarks>
public ulong BufferSize;
/// <summary>
/// Position of the effect while processing effects.
/// </summary>
public uint ProcessingOrder;
/// <summary>
/// Reserved/padding.
/// </summary>
private uint _reserved2;
/// <summary>
/// Specific data storage.
/// </summary>
private SpecificDataStruct _specificDataStart;
[StructLayout(LayoutKind.Sequential, Size = 0xA0, Pack = 1)]
private struct SpecificDataStruct { }
public Span<byte> SpecificData => SpanHelpers.AsSpan<SpecificDataStruct, byte>(ref _specificDataStart);
EffectType IEffectInParameter.Type => Type;
bool IEffectInParameter.IsNew => IsNew;
bool IEffectInParameter.IsEnabled => IsEnabled;
int IEffectInParameter.MixId => MixId;
ulong IEffectInParameter.BufferBase => BufferBase;
ulong IEffectInParameter.BufferSize => BufferSize;
uint IEffectInParameter.ProcessingOrder => ProcessingOrder;
/// <summary>
/// Check if the given channel count is valid.
/// </summary>
/// <param name="channelCount">The channel count to check</param>
/// <returns>Returns true if the channel count is valid.</returns>
public static bool IsChannelCountValid(int channelCount)
{
return channelCount == 1 || channelCount == 2 || channelCount == 4 || channelCount == 6;
}
}
}