[Scummvm-tracker] [ScummVM] #10100: TITANIC: Graphical corruption (bad transparency?) in SGT room

Colin Snover trac at scummvm.org
Wed Aug 9 23:15:21 CEST 2017


#10100: TITANIC: Graphical corruption (bad transparency?) in SGT room
-------------------------------+-----------------------------
  Reporter:  csnover           |      Owner:  (none)
      Type:  defect            |     Status:  new
  Priority:  normal            |  Component:  Engine: Titanic
Resolution:                    |   Keywords:
      Game:  Starship Titanic  |
-------------------------------+-----------------------------

Comment (by csnover):

 Well, in penance for forgetting that (though I really think it should be
 in the issue tracker in any case so it can be a documented known issue), I
 am looking at the Indeo 4 transparency planes.

 Some [https://codecs.multimedia.cx/2017/07/nihav-some-news/ "more recent
 information"] than what’s available on multimedia wiki indicates that the
 transparency plane is a single slice, RLE, with line size padded to a
 multiple of 32. It is ambiguous to me from that post whether the RLE data
 is also huffman-coded (I’m guessing it is), or whether the plane has a
 band header (it sounds like it does). I suppose the author of that post
 would be a very good person to reach out to for answers on this if this
 can’t be figured out any more easily.

--
Ticket URL: <https://bugs.scummvm.org/ticket/10100#comment:2>
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