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

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon May 29 20:23:23 UTC 2017


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

--- Comment #31 from sreerenj <bsreerenj at gmail.com> ---
I liked the idea of compliance property STRICT/NORMAL(may be something other
than normal could be more ideal since we tweaking the spec).

BTW, there are other things which we should consider: your patch checking for a
difference in POC <=2 , which is not true always. There could be poc's like
0,4,8 with only I and P frames. A perfect real life use case example is
Hierarchical P frame encoded sample with 3 layers were the
application(streaming source or something) or the decoder it self is dropping
the 3rd layer.

Your patch will help in to improve the latency issue of some samples like the
one mentioned in comment 3. 
But I believe, the patch should go under a property, not the default case for
sure.

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