package nvr type DeMuxer struct { } //NewDeMuxer func func NewDeMuxer() *DeMuxer { return &DeMuxer{} } //ReadIndex func func (obj *DeMuxer) ReadIndex() (err error) { return nil } //ReadRange func func (obj *DeMuxer) ReadRange() (err error) { return nil } //ReadGop func func (obj *DeMuxer) ReadGop() (err error) { return nil }