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DirectSound.cs
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119 lines (109 loc) · 4.59 KB
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// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
namespace SharpDX.DirectSound
{
public partial class DirectSound
{
/// <summary>
/// Initializes a new instance of the <see cref="DirectSound"/> class.
/// </summary>
public DirectSound() : base(IntPtr.Zero)
{
DSound.Create8(null, this, null);
}
/// <summary>
/// Initializes a new instance of the <see cref="DirectSound"/> class.
/// </summary>
/// <param name="driverGuid">The driver GUID.</param>
public DirectSound(Guid driverGuid) : base(IntPtr.Zero)
{
DSound.Create8(driverGuid, this, null);
}
/// <summary>
/// Verifies the certification.
/// </summary>
/// <returns>Return true if the driver is certified</returns>
public bool IsCertified
{
get
{
int verify;
this.VerifyCertification(out verify);
return verify == 0;
}
}
/// <summary>
/// Retrieves the speaker configuration of the device.
/// </summary>
/// <param name="speakerSet" />
/// <param name="geometry" />
public void GetSpeakerConfiguration(out SpeakerConfiguration speakerSet, out SpeakerGeometry geometry)
{
int speakerConfig;
GetSpeakerConfiguration(out speakerConfig);
speakerSet = (SpeakerConfiguration)(speakerConfig & 0xFFFF);
geometry = (SpeakerGeometry)(speakerConfig >> 16);
}
/// <summary>
/// Sets the speaker configuration of the device.
/// </summary>
/// <param name="speakerSet" />
/// <param name="geometry" />
public void SetSpeakerConfiguration(SpeakerConfiguration speakerSet, SpeakerGeometry geometry)
{
SetSpeakerConfiguration(((int)speakerSet) | (((int)geometry) << 16));
}
/// <summary>
/// Enumerates the DirectSound devices installed in the system.
/// </summary>
/// <returns>A collection of the devices found.</returns>
public static List<DeviceInformation> GetDevices()
{
var callback = new EnumDelegateCallback();
DSound.EnumerateW(callback.NativePointer, IntPtr.Zero);
return callback.Informations;
}
/// <summary>
/// Duplicates the sound buffer.
/// </summary>
/// <param name="sourceBuffer">The source buffer.</param>
/// <returns>A duplicate of this soundBuffer.</returns>
/// <unmanaged>HRESULT IDirectSound::DuplicateSoundBuffer([In] IDirectSoundBuffer* pDSBufferOriginal,[Out] void** ppDSBufferDuplicate)</unmanaged>
/// <unmanaged-short>IDirectSound::DuplicateSoundBuffer</unmanaged-short>
public SoundBuffer DuplicateSoundBuffer(SoundBuffer sourceBuffer)
{
IntPtr soundBufferPtr;
var result = DuplicateSoundBuffer(sourceBuffer, out soundBufferPtr);
SoundBuffer soundBuffer = null;
if (result.Success && soundBufferPtr != IntPtr.Zero)
{
soundBuffer = QueryInterfaceOrNull<PrimarySoundBuffer>(soundBufferPtr) ?? (SoundBuffer)QueryInterfaceOrNull<SecondarySoundBuffer>(soundBufferPtr);
}
if (soundBuffer != null)
{
Marshal.Release(soundBufferPtr);
}
return soundBuffer;
}
}
}