Add custom audio settings

src/Ryujinx.UI.Common/Helper/CustomSettingsHelper.cs

@@ -78,6 +78,8 @@ namespace Ryujinx.UI.Common.Helper
             ConfigurationState.Instance.System.EnableLowPowerPptc.Value = customSettingsModel.EnableLowPowerPptc;
             ConfigurationState.Instance.System.MemoryManagerMode.Value = (MemoryManagerMode)customSettingsModel.MemoryManagerMode;
             ConfigurationState.Instance.System.UseHypervisor.Value = customSettingsModel.UseHypervisor;
+            ConfigurationState.Instance.System.AudioBackend.Value = customSettingsModel.AudioBackend;
+            ConfigurationState.Instance.System.AudioVolume.Value = customSettingsModel.AudioVolume;
             ConfigurationState.Instance.Graphics.GraphicsBackend.Value = (GraphicsBackend)customSettingsModel.GraphicsBackend;
             ConfigurationState.Instance.Graphics.PreferredGpu.Value = customSettingsModel.PreferredGpu;
             ConfigurationState.Instance.Graphics.EnableShaderCache.Value = customSettingsModel.EnableShaderCache;

src/Ryujinx.UI.Common/Models/CustomSettingsModel.cs

@@ -28,5 +28,10 @@ namespace Ryujinx.UI.Common.Models
         public float ResScale { get; set; }
         public float MaxAnisotropy { get; set; }
         public int BackendThreading { get; set; }
+        public int IsOpenAlEnabled { get; set; }
+        public int IsSDL2Enabled { get; set; }
+        public int IsSoundIoEnabled { get; set; }
+        public AudioBackend AudioBackend { get; set; }
+        public float AudioVolume { get; set; }
     }
 }

src/Ryujinx/Ryujinx.csproj

@@ -178,5 +178,8 @@
     <Compile Update="UI\Windows\CustomSettingsWindow.axaml.cs">
       <DependentUpon>CustomSettingsWindow.axaml</DependentUpon>
     </Compile>
+    <Compile Update="UI\Views\Settings\CustomSettingsAudioView.axaml.cs">
+      <DependentUpon>CustomSettingsAudioView.axaml</DependentUpon>
+    </Compile>
   </ItemGroup>
 </Project>

src/Ryujinx/UI/ViewModels/CustomSettingsViewModel.cs

@@ -2,6 +2,9 @@ using Avalonia.Controls;
 using Avalonia.Media.Imaging;
 using Avalonia.Threading;
 using CommunityToolkit.Mvvm.ComponentModel;
+using Ryujinx.Audio.Backends.OpenAL;
+using Ryujinx.Audio.Backends.SDL2;
+using Ryujinx.Audio.Backends.SoundIo;
 using Ryujinx.Ava.Common.Locale;
 using Ryujinx.Ava.UI.Helpers;
 using Ryujinx.Graphics.Vulkan;
@@ -131,12 +134,33 @@ namespace Ryujinx.Ava.UI.ViewModels
         public int MaxAnisotropyIndex { get; set; }
         public int BackendThreading { get; set; }
 
+        // Audio settings
+        public bool IsOpenAlEnabled { get; set; }
+        public bool IsSoundIoEnabled { get; set; }
+        public bool IsSDL2Enabled { get; set; }
+        public AudioBackend AudioBackend { get; set; }
+        
+        public float Volume
+        {
+            get;
+            set
+            {
+                field = value;
+
+                ConfigurationState.Instance.System.AudioVolume.Value = field / 100;
+
+                OnPropertyChanged();
+            }
+        }
+        
         public CustomSettingsViewModel(string titleId, byte[] icon, string titleName)
         {
             AvailableGpus = [];
             ApplicationIdBase = ulong.Parse(titleId, NumberStyles.HexNumber);
             CustomSettingsModel = CustomSettingsHelper.LoadCustomSettingsJson(CustomSettingsHelper.PathToGameSettingsJson(ApplicationIdBase));
 
+            Task.Run(CheckSoundBackends);
+
             if (icon is { Length: > 0 })
             {
                 using MemoryStream ms = new(icon);
@@ -150,6 +174,20 @@ namespace Ryujinx.Ava.UI.ViewModels
             }
         }
 
+        public async Task CheckSoundBackends()
+        {
+            IsOpenAlEnabled = OpenALHardwareDeviceDriver.IsSupported;
+            IsSoundIoEnabled = SoundIoHardwareDeviceDriver.IsSupported;
+            IsSDL2Enabled = SDL2HardwareDeviceDriver.IsSupported;
+
+            await Dispatcher.UIThread.InvokeAsync(() =>
+            {
+                OnPropertyChanged(nameof(IsOpenAlEnabled));
+                OnPropertyChanged(nameof(IsSoundIoEnabled));
+                OnPropertyChanged(nameof(IsSDL2Enabled));
+            });
+        }
+        
         private async Task LoadAvailableGpus()
         {
             AvailableGpus.Clear();
@@ -206,6 +244,8 @@ namespace Ryujinx.Ava.UI.ViewModels
                 ResScaleIndex = ComputeResScaleIndex(config.Graphics.ResScale);
                 MaxAnisotropyIndex = ComputeMaxAnisotropyIndex(config.Graphics.MaxAnisotropy);
                 BackendThreading = (int)config.Graphics.BackendThreading.Value;
+                AudioBackend = config.System.AudioBackend.Value;
+                Volume = config.System.AudioVolume * 100;
             }
             else
             {
@@ -230,6 +270,8 @@ namespace Ryujinx.Ava.UI.ViewModels
                 ResScaleIndex = ComputeResScaleIndex(CustomSettingsModel.ResScale);
                 MaxAnisotropyIndex = ComputeMaxAnisotropyIndex(CustomSettingsModel.MaxAnisotropy);
                 BackendThreading = CustomSettingsModel.BackendThreading;
+                AudioBackend = CustomSettingsModel.AudioBackend;
+                Volume = CustomSettingsModel.AudioVolume * 100;
             }
         }
 
@@ -263,6 +305,8 @@ namespace Ryujinx.Ava.UI.ViewModels
             CustomSettingsModel.ResScale = ComputeResScale(ResScaleIndex);
             CustomSettingsModel.MaxAnisotropy = ComputeMaxAnisotropy(MaxAnisotropyIndex);
             CustomSettingsModel.BackendThreading = BackendThreading;
+            CustomSettingsModel.AudioBackend = AudioBackend;
+            CustomSettingsModel.AudioVolume = Volume / 100;
             CustomSettingsHelper.SaveCustomSettingsJson(CustomSettingsHelper.PathToGameSettingsJson(ApplicationIdBase), CustomSettingsModel);
         }
 

src/Ryujinx/UI/Views/Settings/CustomSettingsAudioView.axaml

@@ -0,0 +1,80 @@
+<UserControl
+    x:Class="Ryujinx.Ava.UI.Views.Settings.CustomSettingsAudioView"
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:controls="clr-namespace:Ryujinx.Ava.UI.Controls"
+    xmlns:ui="clr-namespace:FluentAvalonia.UI.Controls;assembly=FluentAvalonia"
+    xmlns:locale="clr-namespace:Ryujinx.Ava.Common.Locale"
+    xmlns:viewModels="clr-namespace:Ryujinx.Ava.UI.ViewModels"
+    mc:Ignorable="d"
+    x:DataType="viewModels:CustomSettingsViewModel">
+    <Design.DataContext>
+        <viewModels:SettingsViewModel />
+    </Design.DataContext>
+    <ScrollViewer
+        Name="AudioPage"
+        HorizontalAlignment="Stretch"
+        VerticalAlignment="Stretch"
+        HorizontalScrollBarVisibility="Disabled"
+        VerticalScrollBarVisibility="Auto">
+        <Border Classes="settings">
+            <StackPanel
+                Margin="10"
+                HorizontalAlignment="Stretch"
+                Orientation="Vertical"
+                Spacing="10">
+                <TextBlock Classes="h1" Text="{locale:Locale SettingsTabAudio}" />
+                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
+                    <TextBlock VerticalAlignment="Center"
+                               Text="{locale:Locale SettingsTabSystemAudioBackend}"
+                               ToolTip.Tip="{locale:Locale AudioBackendTooltip}"
+                               Width="250" />
+                    <ComboBox SelectedIndex="{Binding AudioBackend}"
+                              Width="350"
+                              HorizontalContentAlignment="Left">
+                        <ComboBoxItem
+                            Content="{locale:Locale SettingsTabSystemAudioBackendDummy}" />
+                        <ComboBoxItem
+                            IsEnabled="{Binding IsOpenAlEnabled}"
+                            Content="{locale:Locale SettingsTabSystemAudioBackendOpenAL}" />
+                        <ComboBoxItem
+                            IsEnabled="{Binding IsSoundIoEnabled}"
+                            Content="{locale:Locale SettingsTabSystemAudioBackendSoundIO}" />
+                        <ComboBoxItem
+                            IsEnabled="{Binding IsSDL2Enabled}"
+                            Content="{locale:Locale SettingsTabSystemAudioBackendSDL2}" />
+                    </ComboBox>
+                </StackPanel>
+                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
+                    <TextBlock VerticalAlignment="Center"
+                               Text="{locale:Locale SettingsTabSystemAudioVolume}"
+                               ToolTip.Tip="{locale:Locale AudioVolumeTooltip}"
+                               Width="250" />
+                    <ui:NumberBox Value="{Binding Volume}"
+                            ToolTip.Tip="{locale:Locale AudioVolumeTooltip}"
+                            Width="350"
+                            SmallChange="1"
+                            LargeChange="10"
+                            SimpleNumberFormat="F0"
+                            SpinButtonPlacementMode="Inline"
+                            Minimum="0"
+                            Maximum="100" />
+                </StackPanel>
+                <StackPanel Margin="10,0,0,0" Orientation="Horizontal">
+                    <controls:SliderScroll Value="{Binding Volume}"
+                            Margin="250,0,0,0"
+                            ToolTip.Tip="{locale:Locale AudioVolumeTooltip}"
+                            Minimum="0"
+                            Maximum="100"
+                            SmallChange="1"
+                            TickFrequency="1"
+                            IsSnapToTickEnabled="True"
+                            LargeChange="10"
+                            Width="350" />
+                </StackPanel>
+            </StackPanel>
+        </Border>
+    </ScrollViewer>
+</UserControl>

src/Ryujinx/UI/Views/Settings/CustomSettingsAudioView.axaml.cs

@@ -0,0 +1,12 @@
+using Avalonia.Controls;
+
+namespace Ryujinx.Ava.UI.Views.Settings
+{
+    public partial class CustomSettingsAudioView : UserControl
+    {
+        public CustomSettingsAudioView()
+        {
+            InitializeComponent();
+        }
+    }
+}

src/Ryujinx/UI/Windows/CustomSettingsWindow.axaml

@@ -32,6 +32,7 @@
             <settings:CustomSettingsSystemView Name="SystemPage" />
             <settings:CustomSettingsCPUView Name="CpuPage" />
             <settings:CustomSettingsGraphicsView Name="GraphicsPage" />
+            <settings:CustomSettingsAudioView Name="AudioPage" />
         </Grid>
         <ui:NavigationView
             Grid.Row="1"
@@ -82,6 +83,10 @@
                     Content="{locale:Locale SettingsTabGraphics}"
                     Tag="GraphicsPage"
                     IconSource="Image" />
+                <ui:NavigationViewItem
+                    Content="{locale:Locale SettingsTabAudio}"
+                    IconSource="Audio"
+                    Tag="AudioPage" />
             </ui:NavigationView.MenuItems>
             <ui:NavigationView.Styles>
                 <Style Selector="Grid#PlaceholderGrid">

src/Ryujinx/UI/Windows/CustomSettingsWindow.axaml.cs

@@ -94,6 +94,9 @@ namespace Ryujinx.Ava.UI.Windows
                     case "GraphicsPage":
                         NavPanel.Content = GraphicsPage;
                         break;
+                    case "AudioPage":
+                        NavPanel.Content = AudioPage;
+                        break;
                     default:
                         throw new NotImplementedException();
                 }