/// <summary>
/// Opens a default audio rendering device
/// </summary>
/// <returns>true on success, false otherwise</returns>
public virtual void Initialize()
{
if (IsOpen)
{
return;
}
m_Handle = ALC.OpenDevice(m_Name);
if (!IsOpen)
{
throw new UserFriendlyException(String.Format("Failed to open audio device '{0}'", m_Name), "Failed to initialize audio");
}
// ALC.RuntimeImport(m_Handle); // reimport because some functions may be device specific
if (!CreateContext())
{
Close();
throw new UserFriendlyException(String.Format("Failed to create audio context for device '{0}'", m_Name), "Failed to initialize audio");
}
if (!MakeContextCurrent())
{
Close();
throw new UserFriendlyException(String.Format("Failed to switch to audio context of device '{0}'", m_Name), "Failed to initialize audio");
}
m_Listener = new SoundListener(this);
}
public OpenALContext(AudioDevice device)
{
m_Device = device;
m_Handle = ALC.CreateContext(device.Handle);
MakeCurrent();
Externals = new OpenALExternals(this);
}
public virtual bool MakeCurrent()
{
if (m_Handle == IntPtr.Zero)
{
return(false);
}
return(ALC.MakeContextCurrent(m_Handle));
}
public virtual void Close()
{
if (m_Handle != IntPtr.Zero)
{
CloseContext();
ALC.CloseDevice(m_Handle);
m_Handle = IntPtr.Zero;
m_Name = "";
}
}
public virtual void Dispose()
{
if (m_Handle != IntPtr.Zero)
{
ALC.MakeContextCurrent(IntPtr.Zero);
ALC.DestroyContext(m_Handle);
m_Handle = IntPtr.Zero;
}
m_Device = null;
}
public static string GetDefaultDevice()
{
if (ALC.IsExtensionPresent("ALC_ENUMERATE_ALL_EXT"))
{
return(ALC.GetString(AlcStringName.DefaultAllDevicesSpecifier));
}
if (ALC.IsExtensionPresent("ALC_ENUMERATION_EXT"))
{
return(ALC.GetString(AlcStringName.DefaultDeviceSpecifier));
}
return("");
}
public static string[] GetAvailableDevices()
{
if (ALC.IsExtensionPresent("ALC_ENUMERATE_ALL_EXT"))
{
return(ALC.GetStrings(AlcStringArrayName.AllDevicesSpecifier).ToArray());
}
if (ALC.IsExtensionPresent("ALC_ENUMERATION_EXT"))
{
return(ALC.GetStrings(AlcStringArrayName.DeviceSpecifier).ToArray());
}
return(new string[] { "" });
}
