audio: Rewrite SoundIo bindings (#4088)

* audio: Rewrite SoundIo bindings

This rewrite SoundIo bindings to be safer and not a pedantic autogenerated mess.

* Address comments

* Switch DllImport to LibraryImport

* Address gdkchan's comment

1 files changed, 49 insertions, 0 deletions

diff --git a/Ryujinx.Audio.Backends.SoundIo/Native/SoundIoDeviceContext.cs b/Ryujinx.Audio.Backends.SoundIo/Native/SoundIoDeviceContext.cs
new file mode 100644
index 00000000..42bcc6e3
--- /dev/null
+++ b/Ryujinx.Audio.Backends.SoundIo/Native/SoundIoDeviceContext.cs
@@ -0,0 +1,49 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using static Ryujinx.Audio.Backends.SoundIo.Native.SoundIo;
+
+namespace Ryujinx.Audio.Backends.SoundIo.Native
+{
+    public class SoundIoDeviceContext
+    {
+        private readonly IntPtr _context;
+
+        public IntPtr Context => _context;
+
+        internal SoundIoDeviceContext(IntPtr context)
+        {
+            _context = context;
+        }
+
+        private ref SoundIoDevice GetDeviceContext()
+        {
+            unsafe
+            {
+                return ref Unsafe.AsRef<SoundIoDevice>((SoundIoDevice*)_context);
+            }
+        }
+
+        public bool IsRaw => GetDeviceContext().IsRaw;
+
+        public string Id => Marshal.PtrToStringAnsi(GetDeviceContext().Id);
+
+        public bool SupportsSampleRate(int sampleRate) => soundio_device_supports_sample_rate(_context, sampleRate);
+
+        public bool SupportsFormat(SoundIoFormat format) => soundio_device_supports_format(_context, format);
+
+        public bool SupportsChannelCount(int channelCount) => soundio_device_supports_layout(_context, SoundIoChannelLayout.GetDefault(channelCount));
+
+        public SoundIoOutStreamContext CreateOutStream()
+        {
+            IntPtr context = soundio_outstream_create(_context);
+
+            if (context == IntPtr.Zero)
+            {
+                return null;
+            }
+
+            return new SoundIoOutStreamContext(context);
+        }
+    }
+}