public Context(Device device)
: this()
{
if (device == Device.Null)
{
throw new ArgumentNullException("device");
}
unsafe
{
Handle = Alc.CreateContext(device.Handle, null);
AlHelper.GetAlcError(Alc.GetError(device.Handle));
}
}
public Device(string name)
: this()
{
unsafe
{
int name_length = name == null ? 0 : Encoding.ASCII.GetByteCount(name);
byte *name_ansi = stackalloc byte[name_length + 1];
AlHelper.StringToAnsi(name, name_ansi, name_length);
name_ansi = name == null ? null : name_ansi;
Handle = Alc.OpenDevice(name_ansi);
if (Handle == IntPtr.Zero)
{
throw new OpenALException(string.Format(
"OpenDevice({0}) failed.", name));
}
}
}
public CaptureDevice(string name, uint frequency, Format format, int buffersize)
: this()
{
unsafe
{
int name_length = name == null ? 0 : Encoding.ASCII.GetByteCount(name);
byte *name_ansi = stackalloc byte[name_length + 1];
AlHelper.StringToAnsi(name, name_ansi, name_length);
name_ansi = name == null ? null : name_ansi;
Handle = Alc.CaptureOpenDevice(name_ansi, frequency, (int)format, buffersize);
if (Handle == IntPtr.Zero)
{
throw new OpenALException(string.Format(
"CaptureOpenDevice({0}, {1}, {2}, {3}) failed.", name, frequency, format, buffersize));
}
}
}
public void Stop()
{
AlHelper.ThrowNullException(Handle);
Alc.CaptureStop(Handle);
AlHelper.GetAlcError(Alc.GetError(Handle));
}
public void Destroy()
{
AlHelper.ThrowNullException(Handle);
Alc.DestroyContext(Handle);
}
public static bool MakeContextCurrent(Context context)
{
return(Alc.MakeContextCurrent(context.Handle) != 0);
}
public void Suspend()
{
AlHelper.ThrowNullException(Handle);
Alc.SuspendContext(Handle);
}
public void Process()
{
AlHelper.ThrowNullException(Handle);
Alc.ProcessContext(Handle);
}
