'Get vlm_media instance time by name or instance id.
@param psz_name: name of vlm media instance.
@param i_instance: instance id.
@return: time as integer or -1 on error.'

def vlm_get_media_instance_time(self, psz_name, i_instance):

    return libvlc_vlm_get_media_instance_time(self, str_to_bytes(psz_name), i_instance)
