[Bug 700264] qtdemux ignores first editlist

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=700264
  GStreamer | gst-plugins-good | git

--- Comment #10 from Sebastian Dröge <slomo at circular-chaos.org> 2013-07-09 10:27:31 UTC ---
(In reply to comment #9)
> In this particular file (fellowshipoftherings_fs.mov)  there is a track that
> acts like a background image. So when playing in quicktime, for first 3 second
> only the background image is shown. 
> 
> GStreamer however ignores the background image track (being too short), so 
> offseting samples for both tracks there would just be gap. 
> 
> I think in this situation it might make sense to just start from PTS 0 in
> gstreamer and adjust duration to reflect the actual data length. I don't see
> any point for the gap, gstreamer doesn't show the background picture (doesn't
> even reveal the track)

Agreed but what about situations where you have several container files, and
they should be played one after another? The next one having editlists start at
the end position of the previous one? Does that make sense?

> If we just change the segment that still leaves the problem with duration being
> reported incorrect, doesn't it?

That can be fixed ;) But offsetting the timestamps makes sense too, I don't
have a favorite solution.

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