/// <summary>
/// Initializes a new instance of the <see cref="XAudio2" /> class.
/// </summary>
/// <param name="flags">Specify a Debug or Normal XAudio2 instance.</param>
/// <param name="processorSpecifier">The processor specifier.</param>
/// <param name="version">The version to use (auto, 2.7 or 2.8).</param>
/// <exception cref="System.InvalidOperationException">XAudio2 version [ + version + ] is not installed</exception>
public XAudio2(XAudio2Flags flags, ProcessorSpecifier processorSpecifier, XAudio2Version version = XAudio2Version.Default)
: base(IntPtr.Zero)
{
#if DESKTOP_APP
Guid clsid = ((int)flags == 1) ? CLSID_XAudio27_Debug : CLSID_XAudio27;
if ((version == XAudio2Version.Default || version == XAudio2Version.Version27) && Utilities.TryCreateComInstance(clsid, Utilities.CLSCTX.ClsctxInprocServer, IID_IXAudio2, this))
{
SetupVtblFor27();
// Initialize XAudio2
Initialize(0, processorSpecifier);
Version = XAudio2Version.Version27;
}
else
#endif
if (version == XAudio2Version.Default || version == XAudio2Version.Version28)
{
XAudio2Functions.XAudio2Create(this, 0, (int)processorSpecifier);
Version = XAudio2Version.Version28;
}
else
{
throw new InvalidOperationException("XAudio2 version [" + version + "] is not installed");
}
// Register engine callback
engineCallbackImpl = new EngineCallbackImpl(this);
engineShadowPtr = EngineShadow.ToIntPtr(engineCallbackImpl);
RegisterForCallbacks_(engineShadowPtr);
}
/// <summary>
/// Initializes a new instance of the <see cref="XAudio2" /> class.
/// </summary>
/// <param name="flags">Specify a Debug or Normal XAudio2 instance.</param>
/// <param name="processorSpecifier">The processor specifier.</param>
/// <param name="requestedVersion">The requestedVersion to use (auto, 2.7 or 2.8).</param>
/// <exception cref="System.InvalidOperationException">XAudio2 requestedVersion [ + requestedVersion + ] is not installed</exception>
public XAudio2(XAudio2Flags flags, ProcessorSpecifier processorSpecifier, XAudio2Version requestedVersion = XAudio2Version.Default)
: base(IntPtr.Zero)
{
var tryVersions = requestedVersion == XAudio2Version.Default
? new[] { XAudio2Version.Version29, XAudio2Version.Version28, XAudio2Version.Version27 }
: new[] { requestedVersion };
foreach (var tryVersion in tryVersions)
{
switch (tryVersion)
{
#if !WINDOWS_UWP
case XAudio2Version.Version27:
Guid clsid = ((int)flags == 1) ? CLSID_XAudio27_Debug : CLSID_XAudio27;
if ((requestedVersion == XAudio2Version.Default || requestedVersion == XAudio2Version.Version27) && Utilities.TryCreateComInstance(clsid, Utilities.CLSCTX.ClsctxInprocServer, IID_IXAudio2, this))
{
SetupVtblFor27();
// Initialize XAudio2
Initialize(0, processorSpecifier);
Version = XAudio2Version.Version27;
}
break;
#endif
case XAudio2Version.Version28:
try
{
XAudio28Functions.XAudio2Create(this, 0, (int)processorSpecifier);
Version = XAudio2Version.Version28;
}
catch (DllNotFoundException) { }
break;
case XAudio2Version.Version29:
try
{
XAudio29Functions.XAudio2Create(this, 0, (int)processorSpecifier);
Version = XAudio2Version.Version29;
}
catch (DllNotFoundException) { }
break;
}
// Early exit if we found a requestedVersion
if (Version != XAudio2Version.Default)
{
break;
}
}
if (Version == XAudio2Version.Default)
{
throw new DllNotFoundException(string.Format("Unable to find XAudio2 dlls for requested versions [{0}], not installed on this machine", requestedVersion == XAudio2Version.Default ? "2.7, 2.8 or 2.9" : requestedVersion.ToString()));
}
// Register engine callback
engineCallbackImpl = new EngineCallbackImpl(this);
engineShadowPtr = EngineShadow.ToIntPtr(engineCallbackImpl);
RegisterForCallbacks(engineCallbackImpl);
}
/// <summary>
/// Initializes a new instance of the <see cref="XAudio2"/> class.
/// </summary>
/// <param name="flags">Specify a Debug or Normal XAudio2 instance.</param>
/// <param name="processorSpecifier">The processor specifier.</param>
public XAudio2(XAudio2Flags flags, ProcessorSpecifier processorSpecifier)
: base(IntPtr.Zero)
{
#if !DIRECTX11_1
Guid clsid = (flags == XAudio2Flags.DebugEngine) ? CLSID_XAudio2_Debug : CLSID_XAudio2;
// Initialize for multithreaded
//var result = Utilities.CoInitializeEx(IntPtr.Zero, Utilities.CoInit.MultiThreaded);
//result.CheckError();
Utilities.CreateComInstance(clsid, Utilities.CLSCTX.ClsctxInprocServer, Utilities.GetGuidFromType(typeof(XAudio2)), this);
// Initialize XAudio2
Initialize(0, processorSpecifier);
#else
XAudio2Functions.XAudio2Create(this, 0, (int)processorSpecifier);
#endif
// Register engine callback
engineCallbackImpl = new EngineCallbackImpl(this);
engineShadowPtr = EngineShadow.ToIntPtr(engineCallbackImpl);
RegisterForCallbacks_(engineShadowPtr);
}
