internal IntPtr GetProperty(AudioFilePropertyId id, uint size)
{
// Callers must release this!
var unmanagedValue = Marshal.AllocHGlobal((int)size);
SafeNativeMethods.AudioFileGetProperty(Handle, id, ref size, unmanagedValue);
return(unmanagedValue);
}
internal T GetProperty <T>(AudioFilePropertyId id) where T : unmanaged
{
var size = (uint)Marshal.SizeOf(typeof(T));
var unmanagedValue = Marshal.AllocHGlobal((int)size);
try
{
SafeNativeMethods.AudioFileGetProperty(Handle, id, ref size, unmanagedValue);
return(Marshal.PtrToStructure <T>(unmanagedValue));
}
finally
{
Marshal.FreeHGlobal(unmanagedValue);
}
}
internal static extern AudioFileStatus AudioFileGetPropertyInfo(
[NotNull] AudioFileHandle handle,
AudioFilePropertyId id,
out uint dataSize,
out uint isWritable);
internal static extern AudioFileStatus AudioFileGetProperty(
[NotNull] AudioFileHandle handle,
AudioFilePropertyId id,
ref uint size,
[Out] IntPtr data);
internal void GetPropertyInfo(AudioFilePropertyId id, out uint dataSize, out uint isWritable) => SafeNativeMethods.AudioFileGetPropertyInfo(Handle, id, out dataSize, out isWritable);
internal AudioFileStatus GetPropertyInfo(AudioFilePropertyId id, out uint dataSize, out uint isWritable)
{
return(SafeNativeMethods.AudioFileGetPropertyInfo(Handle, id, out dataSize, out isWritable));
}