/// <summary>
/// Sets up the hardware resources used by the controller.
/// </summary>
private ALController()
{
if (AL.NativeLibrary == IntPtr.Zero)
{
throw new DllNotFoundException(
"Couldn't initialize OpenAL because the native binaries couldn't be found.");
}
if (!Open())
{
throw new AudioHardwareException(
"OpenAL device could not be initialized, see console output for details.");
}
Efx = new EffectsExtension(Device);
if (ALC.IsExtensionPresent(Device, "ALC_EXT_CAPTURE"))
{
Microphone.PopulateCaptureDevices();
}
// We have hardware here and it is ready
_allSources = new uint[MaxNumberOfSources];
AL.GenSources(_allSources);
ALHelper.CheckError("Failed to generate sources.");
// TODO: allow more effects
if (Efx.IsAvailable)
{
Filter = Efx.GenFilter();
}
_availableSources = new Queue <uint>(_allSources);
_sourcesInUse = new HashSet <uint>();
}
/// <summary>
/// Checks if this extension is present.
/// </summary>
/// <param name="device">The device to query.</param>
/// <returns>Whether the extension was present or not.</returns>
public static bool IsExtensionPresent(ALDevice device)
{
return(ALC.IsExtensionPresent(device, ExtensionName));
}
/// <summary> /// Checks whether the extension is present. /// </summary> /// <returns>Whether the extension was present or not.</returns> public static bool IsExtensionPresent() => ALC.IsExtensionPresent(ALDevice.Null, ExtensionName);
/// <summary> /// Checks whether the extension is present. /// </summary> /// <param name="device">The device to be queried.</param> /// <returns>Whether the extension was present or not.</returns> public static bool IsExtensionPresent(ALDevice device) => ALC.IsExtensionPresent(device, ExtensionName);
/// <summary>
/// Checks whether the extension is present.
/// </summary>
/// <returns>Whether the extension was present or not.</returns>
public static bool IsExtensionPresent()
{
return(ALC.IsExtensionPresent(ALDevice.Null, ExtensionName));
}
