public unsafe long Seek(long frames, SfSeek seek = SfSeek.Begin)
{
if (!Seekable)
{
throw new NotSupportedException();
}
var position = sf_seek(Handle, frames, seek);
if (position == -1)
{
throw new InvalidOperationException(GetErrorMessage(Handle));
}
return(position);
}
public static SeekOrigin ToSeekOrigin(this SfSeek seek)
{
switch (seek)
{
case SfSeek.Begin:
return(SeekOrigin.Begin);
case SfSeek.Current:
return(SeekOrigin.Current);
case SfSeek.End:
return(SeekOrigin.End);
default:
throw new ArgumentOutOfRangeException(nameof(seek), seek, null);
}
}
private static extern unsafe long sf_seek(
SndFile__ *sndFile,
long frames,
SfSeek whence
);
private long Seek(long offset, SfSeek seek, IntPtr userData)
{
return(Stream.Seek(offset, seek.ToSeekOrigin()));
}
