WebinarRecordLogFacade.as

 private function insert(item:WebinarRecordLogItem):void {
        fixtime(item);
        while (_last && item.time > _last.time) {
            _last && _mergedpush(_last);
            next();
            fixtime(item);
        }
        debug && log.info("\t" + item.time + " --> " + item.line);
        _merged.push(item);
    }