Ryujinx/Ryujinx.Audio/Renderer/Server/Effect/LimiterEffect.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.Audio.Renderer.Dsp.State;
using Ryujinx.Audio.Renderer.Parameter;
using Ryujinx.Audio.Renderer.Parameter.Effect;
using Ryujinx.Audio.Renderer.Server.MemoryPool;
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Ryujinx.Audio.Renderer.Server.Effect
{
/// <summary>
/// Server state for a limiter effect.
/// </summary>
public class LimiterEffect : BaseEffect
{
/// <summary>
/// The limiter parameter.
/// </summary>
public LimiterParameter Parameter;
/// <summary>
/// The limiter state.
/// </summary>
public Memory<LimiterState> State { get; }
/// <summary>
/// Create a new <see cref="LimiterEffect"/>.
/// </summary>
public LimiterEffect()
{
State = new LimiterState[1];
}
public override EffectType TargetEffectType => EffectType.Limiter;
public override ulong GetWorkBuffer(int index)
{
return GetSingleBuffer();
}
public override void Update(out BehaviourParameter.ErrorInfo updateErrorInfo, ref EffectInParameterVersion1 parameter, PoolMapper mapper)
{
Update(out updateErrorInfo, ref parameter, mapper);
}
public override void Update(out BehaviourParameter.ErrorInfo updateErrorInfo, ref EffectInParameterVersion2 parameter, PoolMapper mapper)
{
Update(out updateErrorInfo, ref parameter, mapper);
}
public void Update<T>(out BehaviourParameter.ErrorInfo updateErrorInfo, ref T parameter, PoolMapper mapper) where T : unmanaged, IEffectInParameter
{
Debug.Assert(IsTypeValid(ref parameter));
ref LimiterParameter limiterParameter = ref MemoryMarshal.Cast<byte, LimiterParameter>(parameter.SpecificData)[0];
updateErrorInfo = new BehaviourParameter.ErrorInfo();
UpdateParameterBase(ref parameter);
Parameter = limiterParameter;
IsEnabled = parameter.IsEnabled;
if (BufferUnmapped || parameter.IsNew)
{
UsageState = UsageState.New;
Parameter.Status = UsageState.Invalid;
BufferUnmapped = !mapper.TryAttachBuffer(out updateErrorInfo, ref WorkBuffers[0], parameter.BufferBase, parameter.BufferSize);
}
}
public override void UpdateForCommandGeneration()
{
UpdateUsageStateForCommandGeneration();
Parameter.Status = UsageState.Enabled;
Parameter.StatisticsReset = false;
}
public override void InitializeResultState(ref EffectResultState state)
{
ref LimiterStatistics statistics = ref MemoryMarshal.Cast<byte, LimiterStatistics>(state.SpecificData)[0];
statistics.Reset();
}
public override void UpdateResultState(ref EffectResultState destState, ref EffectResultState srcState)
{
destState = srcState;
}
}
}