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Device.cs
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Device.cs
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using System;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using System.Collections.Generic;
using Microsoft.Win32.SafeHandles;
using System.Linq;
namespace AlureWrapper
{
[SecurityPermission(SecurityAction.InheritanceDemand, UnmanagedCode = true)]
[SecurityPermission(SecurityAction.Demand, UnmanagedCode = true)]
public class Device : SafeHandleZeroOrMinusOneIsInvalid
{
#region Extern
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern void device_destroy(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern WrapString device_getName(IntPtr dm, PlaybackName type);
[DllImport("alure-c-interface", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
private static extern bool device_queryExtension(IntPtr dm, string extension);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern Version device_getALCVersion(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern Version device_getEFXVersion(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern UInt32 device_getFrequency(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern UInt32 device_getMaxAuxiliarySends(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern WrapStringVector device_enumerateHRTFNames(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern bool device_isHRTFEnabled(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern WrapString device_getCurrentHRTF(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern void device_reset(IntPtr dm, AttributePair[] attributes, UInt64 size);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern Context device_createContextWithAttr(IntPtr dm, AttributePair[] attributes, UInt64 size);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern void device_pauseDSP(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern void device_resumeDSP(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern Int64 device_getClockTime(IntPtr dm);
[DllImport("alure-c-interface", CallingConvention = CallingConvention.Cdecl)]
private static extern void device_close(IntPtr dm);
#endregion Extern
private Device() : base(true) { }
public Device(IntPtr dm, bool ownsHandle = false) : base(ownsHandle)
{
SetHandle(dm);
}
public string GetName(PlaybackName type)
{
using (var result = device_getName(handle, type))
{
return result.ToString();
}
}
public bool QueryExtension(string extension)
{
return device_queryExtension(handle, extension);
}
public Version ALCVersion => device_getALCVersion(handle);
public Version EFXVersion => device_getEFXVersion(handle);
public UInt32 Frequency => device_getFrequency(handle);
public UInt32 MaxAuxiliarySends => device_getMaxAuxiliarySends(handle);
public string[] EnumerateHRTFNames()
{
using (var result = device_enumerateHRTFNames(handle))
{
return result.ToStrings();
}
}
public bool HRTFEnabled => device_isHRTFEnabled(handle);
public string CurrentHRTF
{
get
{
using (var current = device_getCurrentHRTF(handle))
{
return current.ToString();
}
}
}
public void Reset(AttributePair[] attributes)
{
device_reset(handle, attributes, attributes != null ? (ulong)attributes.Length : 0);
}
public Context CreateContext(AttributePair[] attributes = null)
{
return device_createContextWithAttr(handle, attributes, attributes != null ? (ulong)attributes.Length : 0);
}
public void PauseDSP()
{
device_pauseDSP(handle);
}
public void resumeDSP()
{
device_resumeDSP(handle);
}
public Int64 ClockTime => device_getClockTime(handle);
public void CloseDevice()
{
device_close(handle);
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.Success)]
protected override bool ReleaseHandle()
{
device_destroy(handle);
SetHandleAsInvalid();
handle = IntPtr.Zero;
return true;
}
}
}