public unsafe AudioFormat[] GetOutputFormatList(byte[] magicCookie = null)
{
var afi = new AudioFormatInfo();
afi.AudioStreamBasicDescription = this;
var type_size = sizeof(AudioFormat);
uint size;
if (AudioFormatPropertyNative.AudioFormatGetPropertyInfo(AudioFormatProperty.OutputFormatList, type_size, ref afi, out size) != 0)
{
return(null);
}
Debug.Assert(sizeof(AudioFormat) == type_size);
var data = new AudioFormat[size / type_size];
fixed(AudioFormat *ptr = &data[0])
{
var res = AudioFormatPropertyNative.AudioFormatGetProperty(AudioFormatProperty.OutputFormatList, type_size, ref afi, ref size, ptr);
if (res != 0)
{
return(null);
}
Array.Resize(ref data, (int)size / type_size);
return(data);
}
}
public unsafe AudioFormat[] GetFormatList(byte[] magicCookie)
{
if (magicCookie == null)
throw new ArgumentNullException ("magicCookie");
var afi = new AudioFormatInfo ();
afi.AudioStreamBasicDescription = this;
fixed (byte* b = magicCookie)
{
afi.MagicCookieWeak = b;
afi.MagicCookieSize = magicCookie.Length;
var type_size = sizeof (AudioFormat);
uint size;
if (AudioFormatPropertyNative.AudioFormatGetPropertyInfo (AudioFormatProperty.FormatList, type_size, ref afi, out size) != 0)
return null;
Debug.Assert (sizeof (AudioFormat) == type_size);
var data = new AudioFormat[size / type_size];
fixed (AudioFormat* ptr = &data[0]) {
var res = AudioFormatPropertyNative.AudioFormatGetProperty (AudioFormatProperty.FormatList, type_size, ref afi, ref size, ptr);
if (res != 0)
return null;
Array.Resize (ref data, (int)size / type_size);
return data;
}
}
}
