[Bug 733056] Send codec specific headers as bus messages from parser plugin

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=733056
  GStreamer | gst-plugins-bad | unspecified

--- Comment #24 from Sebastian Dröge (slomo) <slomo at coaxion.net> 2014-07-30 09:10:26 UTC ---
(In reply to comment #19)
> (In reply to comment #16)
> > I think the general approach makes sense as discussed on IRC.
> > 
> > (In reply to comment #11)
> > 
> > > --Individual header parsing will be requested via allocation query. And the
> > > parser will always initiate an allocation query with NULL caps to avoid the
> > > dependency of upstream-element initiation of allocation query.
> > 
> > Why an ALLOCATION query with NULL caps? You should know the caps at that point
> > already. You would do the ALLOCATION query right after setting the caps on the
> > srcpad.
> 
> parser will only set the src caps once it finishes the parsing of first frame.
> We cannot delay till that point. So initiating the allocation query from
> start() virtual method. Anyway we can still use the negotiated caps here. Is
> there any requirement to make this caps as a fixed one?

I see, that makes sense. And no requirement to make the caps fixed :)

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