JinxRyu/Ryujinx.Audio.Backends.SoundIo/Native/SoundIo.cs
Mary-nyan 403e67d983
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
2022-12-11 00:57:01 +01:00

178 lines
6.4 KiB
C#

using Ryujinx.Common.Memory;
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
namespace Ryujinx.Audio.Backends.SoundIo.Native
{
public static partial class SoundIo
{
private const string LibraryName = "libsoundio";
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public unsafe delegate void OnDeviceChangeNativeDelegate(IntPtr ctx);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public unsafe delegate void OnBackendDisconnectedDelegate(IntPtr ctx, SoundIoError err);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public unsafe delegate void OnEventsSignalDelegate(IntPtr ctx);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public unsafe delegate void EmitRtPrioWarningDelegate();
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public unsafe delegate void JackCallbackDelegate(IntPtr msg);
[StructLayout(LayoutKind.Sequential)]
public struct SoundIoStruct
{
public IntPtr UserData;
public IntPtr OnDeviceChange;
public IntPtr OnBackendDisconnected;
public IntPtr OnEventsSignal;
public SoundIoBackend CurrentBackend;
public IntPtr ApplicationName;
public IntPtr EmitRtPrioWarning;
public IntPtr JackInfoCallback;
public IntPtr JackErrorCallback;
}
public struct SoundIoChannelLayout
{
public IntPtr Name;
public int ChannelCount;
public Array24<SoundIoChannelId> Channels;
public static IntPtr GetDefault(int channelCount)
{
return soundio_channel_layout_get_default(channelCount);
}
public static unsafe SoundIoChannelLayout GetDefaultValue(int channelCount)
{
return Unsafe.AsRef<SoundIoChannelLayout>((SoundIoChannelLayout*)GetDefault(channelCount));
}
}
public struct SoundIoSampleRateRange
{
public int Min;
public int Max;
}
public struct SoundIoDevice
{
public IntPtr SoundIo;
public IntPtr Id;
public IntPtr Name;
public SoundIoDeviceAim Aim;
public IntPtr Layouts;
public int LayoutCount;
public SoundIoChannelLayout CurrentLayout;
public IntPtr Formats;
public int FormatCount;
public SoundIoFormat CurrentFormat;
public IntPtr SampleRates;
public int SampleRateCount;
public int SampleRateCurrent;
public double SoftwareLatencyMin;
public double SoftwareLatencyMax;
public double SoftwareLatencyCurrent;
public bool IsRaw;
public int RefCount;
public SoundIoError ProbeError;
}
public struct SoundIoOutStream
{
public IntPtr Device;
public SoundIoFormat Format;
public int SampleRate;
public SoundIoChannelLayout Layout;
public double SoftwareLatency;
public float Volume;
public IntPtr UserData;
public IntPtr WriteCallback;
public IntPtr UnderflowCallback;
public IntPtr ErrorCallback;
public IntPtr Name;
public bool NonTerminalHint;
public int BytesPerFrame;
public int BytesPerSample;
public SoundIoError LayoutError;
}
public struct SoundIoChannelArea
{
public IntPtr Pointer;
public int Step;
}
[LibraryImport(LibraryName)]
public static partial IntPtr soundio_create();
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_connect(IntPtr ctx);
[LibraryImport(LibraryName)]
public static partial void soundio_disconnect(IntPtr ctx);
[LibraryImport(LibraryName)]
public static partial void soundio_flush_events(IntPtr ctx);
[LibraryImport(LibraryName)]
public static partial int soundio_output_device_count(IntPtr ctx);
[LibraryImport(LibraryName)]
public static partial int soundio_default_output_device_index(IntPtr ctx);
[LibraryImport(LibraryName)]
public static partial IntPtr soundio_get_output_device(IntPtr ctx, int index);
[LibraryImport(LibraryName)]
[return: MarshalAs(UnmanagedType.Bool)]
public static partial bool soundio_device_supports_format(IntPtr devCtx, SoundIoFormat format);
[LibraryImport(LibraryName)]
[return: MarshalAs(UnmanagedType.Bool)]
public static partial bool soundio_device_supports_layout(IntPtr devCtx, IntPtr layout);
[LibraryImport(LibraryName)]
[return: MarshalAs(UnmanagedType.Bool)]
public static partial bool soundio_device_supports_sample_rate(IntPtr devCtx, int sampleRate);
[LibraryImport(LibraryName)]
public static partial IntPtr soundio_outstream_create(IntPtr devCtx);
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_outstream_open(IntPtr outStreamCtx);
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_outstream_start(IntPtr outStreamCtx);
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_outstream_begin_write(IntPtr outStreamCtx, IntPtr areas, IntPtr frameCount);
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_outstream_end_write(IntPtr outStreamCtx);
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_outstream_pause(IntPtr devCtx, [MarshalAs(UnmanagedType.Bool)] bool pause);
[LibraryImport(LibraryName)]
public static partial SoundIoError soundio_outstream_set_volume(IntPtr devCtx, double volume);
[LibraryImport(LibraryName)]
public static partial void soundio_outstream_destroy(IntPtr streamCtx);
[LibraryImport(LibraryName)]
public static partial void soundio_destroy(IntPtr ctx);
[LibraryImport(LibraryName)]
public static partial IntPtr soundio_channel_layout_get_default(int channelCount);
[LibraryImport(LibraryName)]
public static partial IntPtr soundio_strerror(SoundIoError err);
}
}