mirror of
https://github.com/ryujinx-mirror/ryujinx.git
synced 2024-12-05 00:07:25 +00:00
211 lines
6.6 KiB
C#
211 lines
6.6 KiB
C#
|
//
|
||
|
// Copyright (c) 2019-2020 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.Parameter;
|
||
|
using Ryujinx.Common.Utilities;
|
||
|
using System;
|
||
|
using System.Diagnostics;
|
||
|
using System.Runtime.InteropServices;
|
||
|
|
||
|
namespace Ryujinx.Audio.Renderer.Server.Splitter
|
||
|
{
|
||
|
/// <summary>
|
||
|
/// Server state for a splitter destination.
|
||
|
/// </summary>
|
||
|
[StructLayout(LayoutKind.Sequential, Size = 0xE0, Pack = Alignment)]
|
||
|
public struct SplitterDestination
|
||
|
{
|
||
|
public const int Alignment = 0x10;
|
||
|
|
||
|
/// <summary>
|
||
|
/// The unique id of this <see cref="SplitterDestination"/>.
|
||
|
/// </summary>
|
||
|
public int Id;
|
||
|
|
||
|
/// <summary>
|
||
|
/// The mix to output the result of the splitter.
|
||
|
/// </summary>
|
||
|
public int DestinationId;
|
||
|
|
||
|
/// <summary>
|
||
|
/// Mix buffer volumes storage.
|
||
|
/// </summary>
|
||
|
private MixArray _mix;
|
||
|
private MixArray _previousMix;
|
||
|
|
||
|
/// <summary>
|
||
|
/// Pointer to the next linked element.
|
||
|
/// </summary>
|
||
|
private unsafe SplitterDestination* _next;
|
||
|
|
||
|
/// <summary>
|
||
|
/// Set to true if in use.
|
||
|
/// </summary>
|
||
|
[MarshalAs(UnmanagedType.I1)]
|
||
|
public bool IsUsed;
|
||
|
|
||
|
/// <summary>
|
||
|
/// Set to true if the internal state need to be updated.
|
||
|
/// </summary>
|
||
|
[MarshalAs(UnmanagedType.I1)]
|
||
|
public bool NeedToUpdateInternalState;
|
||
|
|
||
|
[StructLayout(LayoutKind.Sequential, Size = 4 * RendererConstants.MixBufferCountMax, Pack = 1)]
|
||
|
private struct MixArray { }
|
||
|
|
||
|
/// <summary>
|
||
|
/// Mix buffer volumes.
|
||
|
/// </summary>
|
||
|
/// <remarks>Used when a splitter id is specified in the mix.</remarks>
|
||
|
public Span<float> MixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _mix);
|
||
|
|
||
|
/// <summary>
|
||
|
/// Previous mix buffer volumes.
|
||
|
/// </summary>
|
||
|
/// <remarks>Used when a splitter id is specified in the mix.</remarks>
|
||
|
public Span<float> PreviousMixBufferVolume => SpanHelpers.AsSpan<MixArray, float>(ref _previousMix);
|
||
|
|
||
|
/// <summary>
|
||
|
/// Get the <see cref="Span{SplitterDestination}"/> of the next element or <see cref="Span{SplitterDestination}.Empty"/> if not present.
|
||
|
/// </summary>
|
||
|
public Span<SplitterDestination> Next
|
||
|
{
|
||
|
get
|
||
|
{
|
||
|
unsafe
|
||
|
{
|
||
|
return _next != null ? new Span<SplitterDestination>(_next, 1) : Span<SplitterDestination>.Empty;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Create a new <see cref="SplitterDestination"/>.
|
||
|
/// </summary>
|
||
|
/// <param name="id">The unique id of this <see cref="SplitterDestination"/>.</param>
|
||
|
public SplitterDestination(int id) : this()
|
||
|
{
|
||
|
Id = id;
|
||
|
DestinationId = RendererConstants.UnusedMixId;
|
||
|
|
||
|
ClearVolumes();
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Update the <see cref="SplitterDestination"/> from user parameter.
|
||
|
/// </summary>
|
||
|
/// <param name="parameter">The user parameter.</param>
|
||
|
public void Update(SplitterDestinationInParameter parameter)
|
||
|
{
|
||
|
Debug.Assert(Id == parameter.Id);
|
||
|
|
||
|
if (parameter.IsMagicValid() && Id == parameter.Id)
|
||
|
{
|
||
|
DestinationId = parameter.DestinationId;
|
||
|
|
||
|
parameter.MixBufferVolume.CopyTo(MixBufferVolume);
|
||
|
|
||
|
if (!IsUsed && parameter.IsUsed)
|
||
|
{
|
||
|
MixBufferVolume.CopyTo(PreviousMixBufferVolume);
|
||
|
|
||
|
NeedToUpdateInternalState = false;
|
||
|
}
|
||
|
|
||
|
IsUsed = parameter.IsUsed;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Update the internal state of the instance.
|
||
|
/// </summary>
|
||
|
public void UpdateInternalState()
|
||
|
{
|
||
|
if (IsUsed && NeedToUpdateInternalState)
|
||
|
{
|
||
|
MixBufferVolume.CopyTo(PreviousMixBufferVolume);
|
||
|
}
|
||
|
|
||
|
NeedToUpdateInternalState = false;
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Set the update internal state marker.
|
||
|
/// </summary>
|
||
|
public void MarkAsNeedToUpdateInternalState()
|
||
|
{
|
||
|
NeedToUpdateInternalState = true;
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Return true if the <see cref="SplitterDestination"/> is used and has a destination.
|
||
|
/// </summary>
|
||
|
/// <returns>True if the <see cref="SplitterDestination"/> is used and has a destination.</returns>
|
||
|
public bool IsConfigured()
|
||
|
{
|
||
|
return IsUsed && DestinationId != RendererConstants.UnusedMixId;
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Get the volume for a given destination.
|
||
|
/// </summary>
|
||
|
/// <param name="destinationIndex">The destination index to use.</param>
|
||
|
/// <returns>The volume for the given destination.</returns>
|
||
|
public float GetMixVolume(int destinationIndex)
|
||
|
{
|
||
|
Debug.Assert(destinationIndex >= 0 && destinationIndex < RendererConstants.MixBufferCountMax);
|
||
|
|
||
|
return MixBufferVolume[destinationIndex];
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Clear the volumes.
|
||
|
/// </summary>
|
||
|
public void ClearVolumes()
|
||
|
{
|
||
|
MixBufferVolume.Fill(0);
|
||
|
PreviousMixBufferVolume.Fill(0);
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Link the next element to the given <see cref="SplitterDestination"/>.
|
||
|
/// </summary>
|
||
|
/// <param name="next">The given <see cref="SplitterDestination"/> to link.</param>
|
||
|
public void Link(ref SplitterDestination next)
|
||
|
{
|
||
|
unsafe
|
||
|
{
|
||
|
fixed (SplitterDestination *nextPtr = &next)
|
||
|
{
|
||
|
_next = nextPtr;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/// <summary>
|
||
|
/// Remove the link to the next element.
|
||
|
/// </summary>
|
||
|
public void Unlink()
|
||
|
{
|
||
|
unsafe
|
||
|
{
|
||
|
_next = null;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
}
|