Use BASS Audio Library

src/Zen.Desktop.Host/Infrastructure/Host.cs

@@ -14,6 +14,7 @@
 using Zen.System;
 using Zen.System.FileHandling;
 using Zen.System.FileHandling.Interfaces;
+using Zen.System.Modules.Audio.Engines;
 using Keys = Microsoft.Xna.Framework.Input.Keys;
 using Model = Zen.System.Infrastructure.Model;
 
@@ -112,6 +113,12 @@ private void SetMotherboard(Model model)
 
         _motherboard.Sound = AppSettings.Instance.Sound;
 
+        _motherboard.AudioEngine = AppSettings.Instance.AudioEngine switch
+        {
+            AudioEngine.Bass => new BassAudioEngine(),
+            _ => new PortAudioEngine()
+        };
+
         _motherboard.Fast = AppSettings.Instance.Speed == Speed.Fast;
         _motherboard.Slow = AppSettings.Instance.Speed == Speed.Slow;
 
@@ -318,8 +325,19 @@ private void MenuFinished(MenuResult result, object arguments)
 
                 break;
 
-            case MenuResult.SoundOn:
+            case MenuResult.SoundPortAudio:
+                _motherboard.Sound = true;
+                _motherboard.AudioEngine = new PortAudioEngine();
+                AppSettings.Instance.AudioEngine = AudioEngine.PortAudio;
+                AppSettings.Instance.Sound = true;
+                AppSettings.Instance.Save();
+
+                break;
+
+            case MenuResult.SoundBass:
                 _motherboard.Sound = true;
+                _motherboard.AudioEngine = new BassAudioEngine();
+                AppSettings.Instance.AudioEngine = AudioEngine.Bass;
                 AppSettings.Instance.Sound = true;
                 AppSettings.Instance.Save();
 

src/Zen.Desktop.Host/Infrastructure/Menu/MenuResult.cs

@@ -15,7 +15,8 @@ public enum MenuResult
     SaveState,
     LoadState,
     ChangeScale,
-    SoundOn,
+    SoundPortAudio,
+    SoundBass,
     SoundOff,
     VisualisationOff,
     VisualisationWaveform,

src/Zen.Desktop.Host/Infrastructure/Menu/SoundMenu.cs

@@ -12,8 +12,13 @@ public override List<Label> GetMenu()
         var items = new List<Label>
         {
             new(0, true, "Zen - Sound", Color.White, 0, 0, null),
-            new(1, false, $"[1] {(AppSettings.Instance.Sound ? ">" : " ")} On {(AppSettings.Instance.Sound ? "<" : " ")}", Color.Yellow, 1, 3, Keys.D1, Color.LightGreen),
-            new(2, false, $"[2] {(AppSettings.Instance.Sound ? " " : ">")} Off {(AppSettings.Instance.Sound ? " " : "<")}", Color.Yellow, 1, 5, Keys.D2, Color.LightGreen),
+            new(1, false, $"[1] {(AppSettings.Instance.Sound ? " " : ">")} Off {(AppSettings.Instance.Sound ? " " : "<")}", Color.Yellow, 1, 3, Keys.D1, Color.LightGreen),
+            new(2, false, $"[2] {(AppSettings.Instance.Sound && AppSettings.Instance.AudioEngine == AudioEngine.PortAudio ? ">" : " ")} On - PortAudio {(AppSettings.Instance.AudioEngine == AudioEngine.PortAudio ? "<" : " ")}", Color.Yellow, 1, 5, Keys.D2, Color.LightGreen),
+            new(3, false, $"[3] {(AppSettings.Instance.Sound && AppSettings.Instance.AudioEngine == AudioEngine.Bass ? ">" : " ")} On - Bass {(AppSettings.Instance.AudioEngine == AudioEngine.Bass ? "<" : " ")}", Color.Yellow, 1, 7, Keys.D3, Color.LightGreen),
+            new(96, true, "It will Depend on your", Color.Wheat, 0, 11, null),
+            new(97, true, "hardware and OS", Color.Wheat, 0, 13, null),
+            new(98, true, "whether Port Audio or Bass", Color.Wheat, 0, 15, null),
+            new(98, true, "produce better audio", Color.Wheat, 0, 17, null),
             new(99, true, "[ESC] Close Menu", Color.FromNonPremultiplied(255, 64, 64, 255), 0, 21, Keys.Escape, Color.LightGreen)
         };
 
@@ -25,10 +30,13 @@ public override (MenuResult Result, MenuBase NewMenu, object Arguments) ItemSele
         switch (id)
         {
             case 1:
-                return (MenuResult.SoundOn, null, null);
+                return (MenuResult.SoundOff, null, null);
 
             case 2:
-                return (MenuResult.SoundOff, null, null);
+                return (MenuResult.SoundPortAudio, null, null);
+
+            case 3:
+                return (MenuResult.SoundBass, null, null);
 
             default:
                 return (MenuResult.NewMenu, new MainMenu(), null);

src/Zen.Desktop.Host/Infrastructure/Menu/SpeedMenu.cs

@@ -17,9 +17,9 @@ public override List<Label> GetMenu()
                         new(3, false, $"[3] {(AppSettings.Instance.Speed == Speed.Half ? ">" : " ")} Half {(AppSettings.Instance.Speed == Speed.Half ? "<" : " ")}", Color.Yellow, 1, 7, Keys.D3, Color.LightGreen),
                         new(4, false, $"[4] {(AppSettings.Instance.Speed == Speed.Normal ? ">" : " ")} Normal {(AppSettings.Instance.Speed == Speed.Normal ? "<" : " ")}", Color.Yellow, 1, 9, Keys.D4, Color.LightGreen),
                         new(5, false, $"[5] {(AppSettings.Instance.Speed == Speed.Fast ? ">" : " ")} As Fast As Possible {(AppSettings.Instance.Speed == Speed.Fast ? "<" : " ")}", Color.Yellow, 1, 11, Keys.D5, Color.LightGreen),
-                        new(96, true, "This setting is not saved", Color.Orange, 0, 15, null),
-                        new(97, true, "Zen always starts", Color.Orange, 0, 17, null),
-                        new(98, true, "at Normal speed", Color.Orange, 0, 18, null),
+                        new(96, true, "This setting is not saved", Color.Wheat, 0, 15, null),
+                        new(97, true, "Zen always starts", Color.Wheat, 0, 17, null),
+                        new(98, true, "at Normal speed", Color.Wheat, 0, 18, null),
                         new(99, true, "[ESC] Close Menu", Color.FromNonPremultiplied(255, 64, 64, 255), 0, 21, Keys.Escape, Color.LightGreen)
                     };
 

src/Zen.Desktop.Host/Infrastructure/Settings/AppSettings.cs

@@ -21,6 +21,8 @@ public class AppSettings
     public int ScaleFactor { get; set; }
 
     public bool Sound { get; set; }
+
+    public AudioEngine AudioEngine { get; set; }
 
     public Speed Speed { get; set; }
 

src/Zen.Desktop.Host/Infrastructure/Settings/AudioEngine.cs

@@ -0,0 +1,7 @@
+namespace Zen.Desktop.Host.Infrastructure.Settings;
+
+public enum AudioEngine
+{
+    PortAudio,
+    Bass
+}

src/Zen.System/Modules/Audio/Engines/BassAudioEngine.cs

@@ -0,0 +1,76 @@
+using System.Runtime.InteropServices;
+using Un4seen.Bass;
+using Zen.Common.Infrastructure;
+
+namespace Zen.System.Modules.Audio.Engines;
+
+public class BassAudioEngine : IZenAudioEngine
+{
+    private static readonly AutoResetEvent ResetEvent = new(true);
+
+    private readonly int _sampleHandle;
+
+    private int _channel = -1;
+
+    private bool _first = true;
+
+    public BassAudioEngine()
+    {
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) && ! File.Exists(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libbass.so")))
+        {
+            switch (RuntimeInformation.ProcessArchitecture)
+            {
+                case Architecture.X64:
+                    File.Copy(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libbass.so.x64"), Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libbass.so"));
+
+                    break;
+
+                default:
+                    File.Copy(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libbass.so.arm64"), Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libbass.so"));
+
+                    break;
+            }
+        }
+
+        try
+        {
+            Bass.BASS_Init(-1, Constants.SampleRate, BASSInit.BASS_DEVICE_MONO, 0);
+
+            _sampleHandle = Bass.BASS_SampleCreate(Constants.DefaultBufferSize * 4, Constants.SampleRate, 1, 1, BASSFlag.BASS_SAMPLE_FLOAT);
+        }
+        catch (Exception exception)
+        {
+            Logger.LogException(nameof(BassAudioEngine), exception);
+        }
+    }
+
+    public void Send(float[] data)
+    {
+        if (! _first)
+        {
+            ResetEvent.WaitOne();
+        }
+        else
+        {
+            _first = false;
+        }
+
+        Bass.BASS_SampleSetData(_sampleHandle, data);
+
+        _channel = Bass.BASS_SampleGetChannel(_sampleHandle, BASSFlag.BASS_SAMCHAN_STREAM);
+
+        Bass.BASS_ChannelSetSync(_channel, BASSSync.BASS_SYNC_END | BASSSync.BASS_SYNC_ONETIME, Constants.DefaultBufferSize * 4, PlayComplete, IntPtr.Zero);
+
+        Bass.BASS_ChannelPlay(_channel, false);
+    }
+
+    private static void PlayComplete(int handle, int channel, int data, IntPtr user)
+    {
+        ResetEvent.Set();
+    }
+
+    public void Dispose()
+    {
+        Bass.BASS_Free();
+    }
+}

src/Zen.System/Modules/Audio/Engines/IZenAudioEngine.cs

@@ -0,0 +1,6 @@
+namespace Zen.System.Modules.Audio.Engines;
+
+public interface IZenAudioEngine : IDisposable
+{
+    void Send(float[] data);
+}

src/Zen.System/Modules/Audio/AudioEngine.cs → src/Zen.System/Modules/Audio/Engines/PortAudioEngine.cs

@@ -1,15 +1,15 @@
-using System.Runtime.InteropServices;
+using System.Runtime.InteropServices;
 using Bufdio;
 using Bufdio.Engines;
 using Zen.Common.Infrastructure;
 
-namespace Zen.System.Modules.Audio;
+namespace Zen.System.Modules.Audio.Engines;
 
-public class AudioEngine : IDisposable
+public class PortAudioEngine : IZenAudioEngine
 {
     private readonly IAudioEngine? _engine;
 
-    public AudioEngine()
+    public PortAudioEngine()
     {
         try
         {
@@ -21,19 +21,19 @@ public AudioEngine()
                 }
                 else
                 {
-                    BufdioLib.InitializePortAudio(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Libraries", "libportaudio.dylib"));
+                    BufdioLib.InitializePortAudio(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libportaudio.dylib"));
                 }
             }
             else
             {
-                BufdioLib.InitializePortAudio(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Libraries", "libportaudio"));
+                BufdioLib.InitializePortAudio(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "libportaudio"));
             }
 
-            _engine = new PortAudioEngine(new AudioEngineOptions(1, Constants.SampleRate));
+            _engine = new Bufdio.Engines.PortAudioEngine(new AudioEngineOptions(1, Constants.SampleRate));
         }
         catch (Exception exception)
         {
-            Logger.LogException(nameof(AudioEngine), exception);
+            Logger.LogException(nameof(PortAudioEngine), exception);
         }
     }
 

src/Zen.System/Modules/AyAudio.cs

@@ -1,5 +1,6 @@
 using Zen.Common.Infrastructure;
 using Zen.System.Modules.Audio;
+using Zen.System.Modules.Audio.Engines;
 
 namespace Zen.System.Modules;
 
@@ -15,13 +16,7 @@ public class AyAudio : IDisposable
 
     private readonly MixerDac _mixerDac = new();
 
-    private Task? _audioThread;
-
-    private byte _registerNumber;
-
-    private float[] _buffer;
-
-    private readonly AudioEngine _engine = new();
+    private IZenAudioEngine _engine = new PortAudioEngine();
 
     private readonly CancellationTokenSource _cancellationTokenSource;
 
@@ -33,6 +28,12 @@ public class AyAudio : IDisposable
 
     private readonly Queue<(int Frame, Command Command, byte Value)>[] _commandQueues;
 
+    private Task? _audioThread;
+
+    private byte _registerNumber;
+
+    private float[] _buffer;
+
     private int _readQueue;
 
     private float _bitValue;
@@ -53,6 +54,11 @@ public int BufferSize
         }
     }
 
+    public IZenAudioEngine AudioEngine
+    {
+        set => _engine = value;
+    }
+
     public bool Silent { get; set; }
 
     public Action<float[]>? AySignalHook { get; set; }

src/Zen.System/Modules/Worker.cs

@@ -172,12 +172,12 @@ private void TimerWorker()
                         _resetEvent.WaitOne();
                     }
 
-                    _ayAudio.FrameReady(_resetEvent);
-
-                    _resetEvent.Reset();
-
                     Counters.Instance.IncrementCounter(Counter.SpectrumFrames);
                 }
+
+                _ayAudio.FrameReady(_resetEvent);
+
+                _resetEvent.Reset();
             }
             catch (Exception exception)
             {

src/Zen.System/Motherboard.cs

@@ -2,6 +2,7 @@
 using Zen.System.Infrastructure;
 using Zen.System.Interfaces;
 using Zen.System.Modules;
+using Zen.System.Modules.Audio.Engines;
 using Zen.System.ProcessorHooks;
 using Zen.Z80.Interfaces;
 using Zen.Z80.Processor;
@@ -79,6 +80,11 @@ public bool Sound
         }
     }
 
+    public IZenAudioEngine AudioEngine
+    {
+        set => _ayAudio.AudioEngine = value;
+    }
+
     public Motherboard(Model model)
     {
         _model = model;

src/Zen.System/Zen.System.csproj

@@ -13,22 +13,35 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Bufdio" Version="0.1.0" />
+    <ProjectReference Include="..\Zen.Z80\Zen.Z80.csproj" />
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Zen.Z80\Zen.Z80.csproj" />
+    <PackageReference Include="Bufdio" Version="0.1.0" />
+    <PackageReference Include="radio42.Bass.Net.core" Version="2.4.17.5" />
   </ItemGroup>
 
   <ItemGroup>
-    <None Update="Libraries\libportaudio.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    <None Update="libbass.dylib">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="libbass.so.arm64">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="bass.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="libbass.so.x64">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="libportaudio.dll">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
-    <None Update="Libraries\libportaudio.dylib">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    <None Update="libportaudio.dylib">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
-    <None Update="Libraries\libportaudio.so">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    <None Update="libportaudio.so">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </None>
   </ItemGroup>