[Bug 667595] [0.11] Subtitle segments have zero base

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=667595
  GStreamer | gstreamer (core) | 0.11.x

--- Comment #8 from Sebastian Dröge <slomo at circular-chaos.org> 2012-01-10 11:51:49 UTC ---
(In reply to comment #7)
> (In reply to comment #6)
> > Bug #600648 has something to signal sparse streams, but that's what I meant. We
> > need something to signal if a stream is sparse or not in different places.
> 
> That would then be in addition to the segment event sending, since that one
> still needs to update timing info as needed by e.g. GstCollectPads2.

Agreed

> > What is the problem with not knowing if the segment event is an update to the
> > previous segment or not?
> 
> See for example dvdsubdec as mentioned above.  One might argue whether or not
> it is really needed there, but would prefer not to be caught with being able to
> convey less info than was possible in 0.10 without considering it a lot more
> (rather than solving it by disabling).

You should be able to infer the information (if this segment is an update or
not) from the previous and the new segment. If the base is still the same you
have an update. Am I missing something?

> Also, seeing an event with update=TRUE coming true might then as well signal
> that the stream is sparse.

That's not true in all cases, there could be an segment update because the
stream now has a new stop position for example.

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