[Bug 762509] vaapidecoder: h264: decoder stores too many pictures in the DPB before output

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=762509

--- Comment #30 from sreerenj <bsreerenj at gmail.com> ---
(In reply to Matt Staples from comment #29)
> (In reply to sreerenj from comment #27)
> > (In reply to Matt Staples from comment #26)
> > > Created attachment 352653 [details] [review] [review] [review]
> > > send frames out as soon as possible
> > > 
> > 
> > It could be rare, but technically it is valid to have a GOP of "IBB..." in
> > decoding order, and B frames come before the first I frame in display order.
> > So dropping frame is not seems to be the solution.
> 
> Could you point me to an example of that? 

The attached sample is having similar pattern IBBBP... I don't have other
samples with me now.But I am pretty sure I have seen similar samples before.
IIRC, it was something encoded with MediaSDK.

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