[Bug 701996] context: Still inconvenient to use and racy

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=701996
  GStreamer | gstreamer (core) | git

--- Comment #5 from Sebastian Dröge (slomo) <slomo at circular-chaos.org> 2013-08-27 08:32:38 UTC ---
(In reply to comment #4)
> I thought bin accumulation of context is just like what a seek (for seek on
> ready) would be. Which means it would keep it around as long as the bin state
> did not reach paused state, after that it would drop it, since the pipeline can
> exchange the context by itself at this point.
> 
> Does that make sense ? I might be missing something.

This wouldn't propagate the contexts to newly added elements for example,
unless they accidentally happen to get it via the sticky event. We would need
to keep it around in the bins forever until it goes back to NULL or something
like that. Maybe we need a context-lost message similar to clock-lost?

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