This field is shall not be used anymore. And its rather cubersome
for the user anyway.

This caused incorrect values for larger bookmarks.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

DemuxFrg was no longer selected

Aka a 8 digit hexa number, as used in search engines like
http://www.freedb.org/freedb_discid_check.php

Ref #4370

Simplifies the playItem action. For the playlist call, the current
root is taken instead of the parent node. This ensures that
playback does not stop on folder/node boundaries.

Fixes playback where Initilialization Segment is in SegmentList

Close #13465