/// <summary>
/// Sets the default openal device if no one is set.
/// </summary>
/// <param name="device">The OpenALDevice.</param>
public static void SetDefaultOpenALDeviceOnStartup(OpenALDevice device)
{
if (DefaultDevice == null)
{
DefaultDevice = device;
}
}
internal static OpenALDevice[] GetOpenALDevices()
{
var strings = new string[0];
if (IsExtensionPresent("ALC_ENUMERATE_ALL_EXT"))
{
strings =
ReadStringsFromMemory(alcGetString(IntPtr.Zero,
(int)DeviceSpecifications.AllDevicesSpecifier));
}
else if (IsExtensionPresent("ALC_ENUMERATION_EXT"))
{
strings =
ReadStringsFromMemory(alcGetString(IntPtr.Zero, (int)DeviceSpecifications.DeviceSpecifier));
}
var devices = new OpenALDevice[strings.Length];
for (var i = 0; i < devices.Length; i++)
{
devices[i] = new OpenALDevice(strings[i], i);
}
return(devices);
}
/// <summary>
/// Initializes a new OpenALAudioProvider class.
/// </summary>
public OpenALAudioProvider()
{
if (OpenALDevice.AvailableDevices.Length == 0)
{
throw new AudioException("No available audio devices where found.");
}
OpenALDevice.SetDefaultOpenALDeviceOnStartup(OpenALDevice.AvailableDevices[0]);
}
/// <summary>
/// Initializes a new OpenALAudioBuffer class.
/// </summary>
public OpenALAudioBuffer(OpenALAudioFormat format, OpenALDevice device)
{
Format = format;
Owner = device;
_locker = new object();
_audioMixer = new AudioMixer();
PlaybackState = PlaybackState.Stopped;
_source = Owner.SourcePool.RequestSource();
}
/// <summary>
/// Initializes a new OpenALAudioBuffer class.
/// </summary>
public OpenALAudioBuffer(OpenALAudioFormat format, OpenALDevice device)
{
Format = format;
Owner = device;
_locker = new object();
_audioMixer = new AudioMixer();
PlaybackState = PlaybackState.Stopped;
_source = Owner.SourcePool.RequestSource();
}
/// <summary>
/// Sets the OpenALDevice for this application.
/// </summary>
/// <param name="device">The OpenALDevice.</param>
public static void SetOpenALDeviceIfNeeded(OpenALDevice device)
{
if (DefaultDevice != null)
{
if (DefaultDevice.Id != device.Id)
{
DefaultDevice.Dispose();
DefaultDevice = device;
}
}
else
{
DefaultDevice = device;
}
}
/// <summary>
/// Sets the OpenALDevice for this application.
/// </summary>
/// <param name="device">The OpenALDevice.</param>
public static void SetOpenALDeviceIfNeeded(OpenALDevice device)
{
if (DefaultDevice != null)
{
if (DefaultDevice.Id != device.Id)
{
DefaultDevice.Dispose();
DefaultDevice = device;
}
}
else
{
DefaultDevice = device;
}
}
/// <summary>
/// Sets the default openal device if no one is set.
/// </summary>
/// <param name="device">The OpenALDevice.</param>
public static void SetDefaultOpenALDeviceOnStartup(OpenALDevice device)
{
if (DefaultDevice == null) DefaultDevice = device;
}
internal static OpenALDevice[] GetOpenALDevices()
{
var strings = new string[0];
if (IsExtensionPresent("ALC_ENUMERATE_ALL_EXT"))
{
strings =
ReadStringsFromMemory(alcGetString(IntPtr.Zero,
(int) DeviceSpecifications.AllDevicesSpecifier));
}
else if (IsExtensionPresent("ALC_ENUMERATION_EXT"))
{
strings =
ReadStringsFromMemory(alcGetString(IntPtr.Zero, (int) DeviceSpecifications.DeviceSpecifier));
}
var devices = new OpenALDevice[strings.Length];
for (var i = 0; i < devices.Length; i++)
{
devices[i] = new OpenALDevice(strings[i], i);
}
return devices;
}
