func (s *Stream) Seek(offset int64, whence int) (int64, error) {
	return s.decoded.Seek(offset, whence)
}
func (s *Stream) Seek(offset int64, whence int) (int64, error) {
	return s.decoded.Seek(offset, whence)
}
func ( s * Stream ) Seek ( offset int64 , whence int ) ( int64 , error ) { return s . decoded . Seek ( offset , whence ) }
// Seek is implementation of io.Seeker's Seek.
//
// Note that Seek can take long since decoding is a relatively heavy task.
Seek is implementation of io . Seeker s Seek . Note that Seek can take long since decoding is a relatively heavy task .