// PreviousChapter sets the previous chapter if applicable. func (this *Player) PreviousChapter() (err error) { if this.ptr == nil { return syscall.EINVAL } C.libvlc_media_player_previous_chapter(this.ptr) return checkError() }
// PreviousChapter sets the previous chapter if applicable. func (this *Player) PreviousChapter() (err error) { if this.ptr == nil { return &VLCError{"Player is nil"} } C.libvlc_media_player_previous_chapter(this.ptr) return checkError() }