[Bug 721835] segment format assertion fails when video decoding

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=721835
  GStreamer | gst-plugins-base | 1.2.2

--- Comment #27 from Thiago Sousa Santos <thiago.sousa.santos at collabora.co.uk> 2014-01-11 12:36:55 UTC ---
(In reply to comment #26)
> Review of attachment 265987 [details]:
> 
> While this generally makes sense, why isn't the pending_events code in
> gst_video_decoder_prepare_finish_frame() taking care of this already? That's
> why it is there :)

It is because the frame that has the segment event never gets to
_prepare_finish_frame, libav decoder will call _release_frame that just
discards the frame and everything with it. IIRC if it called _drop_frame it
would go into _prepare_finish_frame before dropping, but it has other side
effects like updating the position and stuff like that.

Anyway I guess it is dangerous that the base class allows those events to be
dropped in _release_frame.

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