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audio: Implement a SDL2 backend (#2258)

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* audio: Implement a SDL2 backend

This adds support to SDL2 as an audio backend.
It has the same compatibility level as OpenAL without its issues.

I also took the liberty of restructuring the SDL2 code to have one
shared project between audio and input.

The configuration version was also incremented.

* Address gdkchan's comments

* Fix update logic

* Add an heuristic to pick the correct target sample count wanted by the game

* Address gdkchan's comments

* Address Ac_k's comments

* Fix audren output

* Address gdkchan's comments
This commit is contained in:
Mary 2021-05-05 23:37:09 +02:00 • committed by GitHub
parent 106512229e
commit eb056218a1
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16 changed files with 511 additions and 14 deletions
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9
Ryujinx.Audio/Backends/Common/HardwareDeviceSessionOutputBase.cs
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@ -18,6 +18,7 @@
using Ryujinx.Audio.Common;
using Ryujinx.Audio.Integration;
using Ryujinx.Memory;
using System.Runtime.CompilerServices;
namespace Ryujinx.Audio.Backends.Common
{
@ -52,7 +53,13 @@ namespace Ryujinx.Audio.Backends.Common
protected ulong GetSampleCount(AudioBuffer buffer)
{
return (ulong)BackendHelper.GetSampleCount(RequestedSampleFormat, (int)RequestedChannelCount, (int)buffer.DataSize);
return GetSampleCount((int)buffer.DataSize);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
protected ulong GetSampleCount(int dataSize)
{
return (ulong)BackendHelper.GetSampleCount(RequestedSampleFormat, (int)RequestedChannelCount, dataSize);
}
public abstract void Dispose();