     import flash.utils.ByteArray;
     import flash.utils.Timer;
     import flash.utils.getTimer;
-    
+
     import org.mangui.hls.HLS;
     import org.mangui.hls.HLSSettings;
     import org.mangui.hls.constant.HLSLoaderTypes;

                    last_seqnum--;
                    if (last_seqnum == Number.POSITIVE_INFINITY) {
                        /* requested PTS above max PTS of this level:
                         * this case could happen when switching level at the edge of live playlist,
                         * in case playlist of new level is outdated
                         * return 1 to retry loading later.
                         */
                        return LOADING_WAITING_LEVEL_UPDATE;
                    } else if (last_seqnum < -1) {
                        // if we are here, it means that we have no PTS info for this continuity index, we need to do some PTS probing to find the right seqnum
                        /* we need to perform PTS analysis on fragments from same continuity range

                        _switchLevel = true;

                        // check if we received playlist for choosen level. if live playlist, ensure that new playlist has been refreshed
                        // to avoid loading outdated fragments
                        if ((_levels[level].fragments.length == 0) || (_hls.type == HLSTypes.LIVE && _levelLastLoaded != level)) {
                            // playlist not yet received
                            CONFIG::LOGGING {
