Ryujinx/Ryujinx.Audio/Renderer/Parameter/Effect/LimiterParameter.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.Server.Effect;
using Ryujinx.Common.Memory;
using System.Runtime.InteropServices;
namespace Ryujinx.Audio.Renderer.Parameter.Effect
{
/// <summary>
/// <see cref="IEffectInParameter.SpecificData"/> for <see cref="Common.EffectType.Limiter"/>.
/// </summary>
[StructLayout(LayoutKind.Sequential, Pack = 1)]
public struct LimiterParameter
{
/// <summary>
/// The input channel indices that will be used by the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
public Array6<byte> Input;
/// <summary>
/// The output channel indices that will be used by the <see cref="Dsp.AudioProcessor"/>.
/// </summary>
public Array6<byte> Output;
/// <summary>
/// The maximum number of channels supported.
/// </summary>
public ushort ChannelCountMax;
/// <summary>
/// The total channel count used.
/// </summary>
public ushort ChannelCount;
/// <summary>
/// The target sample rate.
/// </summary>
/// <remarks>This is in kHz.</remarks>
public int SampleRate;
/// <summary>
/// The look ahead max time.
/// <remarks>This is in microseconds.</remarks>
/// </summary>
public int LookAheadTimeMax;
/// <summary>
/// The attack time.
/// <remarks>This is in microseconds.</remarks>
/// </summary>
public int AttackTime;
/// <summary>
/// The release time.
/// <remarks>This is in microseconds.</remarks>
/// </summary>
public int ReleaseTime;
/// <summary>
/// The look ahead time.
/// <remarks>This is in microseconds.</remarks>
/// </summary>
public int LookAheadTime;
/// <summary>
/// The attack coefficient.
/// </summary>
public float AttackCoefficient;
/// <summary>
/// The release coefficient.
/// </summary>
public float ReleaseCoefficient;
/// <summary>
/// The threshold.
/// </summary>
public float Threshold;
/// <summary>
/// The input gain.
/// </summary>
public float InputGain;
/// <summary>
/// The output gain.
/// </summary>
public float OutputGain;
/// <summary>
/// The minimum samples stored in the delay buffer.
/// </summary>
public int DelayBufferSampleCountMin;
/// <summary>
/// The maximum samples stored in the delay buffer.
/// </summary>
public int DelayBufferSampleCountMax;
/// <summary>
/// The current usage status of the effect on the client side.
/// </summary>
public UsageState Status;
/// <summary>
/// Indicate if the limiter effect should output statistics.
/// </summary>
[MarshalAs(UnmanagedType.I1)]
public bool StatisticsEnabled;
/// <summary>
/// Indicate to the DSP that the user did a statistics reset.
/// </summary>
[MarshalAs(UnmanagedType.I1)]
public bool StatisticsReset;
/// <summary>
/// Reserved/padding.
/// </summary>
private byte _reserved;
/// <summary>
/// Check if the <see cref="ChannelCount"/> is valid.
/// </summary>
/// <returns>Returns true if the <see cref="ChannelCount"/> is valid.</returns>
public bool IsChannelCountValid()
{
return EffectInParameterVersion1.IsChannelCountValid(ChannelCount);
}
/// <summary>
/// Check if the <see cref="ChannelCountMax"/> is valid.
/// </summary>
/// <returns>Returns true if the <see cref="ChannelCountMax"/> is valid.</returns>
public bool IsChannelCountMaxValid()
{
return EffectInParameterVersion1.IsChannelCountValid(ChannelCountMax);
}
}
}