internal void Initialize() =>
 SafeNativeMethods.StreamDecoderInitStream(Handle,
                                           _readCallback,
                                           _seekCallback,
                                           _tellCallback,
                                           _lengthCallback,
                                           _eofCallback,
                                           _writeCallback,
                                           _metadataCallback,
                                           _errorCallback,
                                           IntPtr.Zero);