Ryujinx/Ryujinx.Audio/Renderer/Server/Sink/DeviceSink.cs
Mary f556c80d02
Haydn: Part 1 (#2007)
* Haydn: Part 1

Based on my reverse of audio 11.0.0.

As always, core implementation under LGPLv3 for the same reasons as for Amadeus.

This place the bases of a more flexible audio system while making audout & audin accurate.

This have the following improvements:
- Complete reimplementation of audout and audin.
- Audin currently only have a dummy backend.
- Dramatically reduce CPU usage by up to 50% in common cases (SoundIO and OpenAL).
- Audio Renderer now can output to 5.1 devices when supported.
- Audio Renderer init its backend on demand instead of keeping two up all the time.
- All backends implementation are now in their own project.
- Ryujinx.Audio.Renderer was renamed Ryujinx.Audio and was refactored because of this.

As a note, games having issues with OpenAL haven't improved and will not
because of OpenAL design (stopping when buffers finish playing causing
possible audio "pops" when buffers are very small).

* Update for latest hexkyz's edits on Switchbrew

* audren: Rollback channel configuration changes

* Address gdkchan's comments

* Fix typo in OpenAL backend driver

* Address last comments

* Fix a nit

* Address gdkchan's comments
2021-02-26 01:11:56 +01:00

92 lines
3 KiB
C#

//
// 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.Parameter;
using Ryujinx.Audio.Renderer.Parameter.Sink;
using Ryujinx.Audio.Renderer.Server.MemoryPool;
using Ryujinx.Audio.Renderer.Server.Upsampler;
using System;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Ryujinx.Audio.Renderer.Server.Sink
{
/// <summary>
/// Server information for a device sink.
/// </summary>
public class DeviceSink : BaseSink
{
/// <summary>
/// The downmix coefficients.
/// </summary>
public float[] DownMixCoefficients;
/// <summary>
/// The device parameters.
/// </summary>
public DeviceParameter Parameter;
/// <summary>
/// The upsampler instance used by this sink.
/// </summary>
/// <remarks>Null if no upsampling is needed.</remarks>
public UpsamplerState UpsamplerState;
/// <summary>
/// Create a new <see cref="DeviceSink"/>.
/// </summary>
public DeviceSink()
{
DownMixCoefficients = new float[4];
}
public override void CleanUp()
{
UpsamplerState?.Release();
UpsamplerState = null;
base.CleanUp();
}
public override SinkType TargetSinkType => SinkType.Device;
public override void Update(out BehaviourParameter.ErrorInfo errorInfo, ref SinkInParameter parameter, ref SinkOutStatus outStatus, PoolMapper mapper)
{
Debug.Assert(IsTypeValid(ref parameter));
ref DeviceParameter inputDeviceParameter = ref MemoryMarshal.Cast<byte, DeviceParameter>(parameter.SpecificData)[0];
if (parameter.IsUsed != IsUsed)
{
UpdateStandardParameter(ref parameter);
Parameter = inputDeviceParameter;
}
else
{
Parameter.DownMixParameterEnabled = inputDeviceParameter.DownMixParameterEnabled;
inputDeviceParameter.DownMixParameter.ToSpan().CopyTo(Parameter.DownMixParameter.ToSpan());
}
Parameter.DownMixParameter.ToSpan().CopyTo(DownMixCoefficients.AsSpan());
errorInfo = new BehaviourParameter.ErrorInfo();
outStatus = new SinkOutStatus();
}
}
}