[Bug 795770] vaapih264dec: hangs when decoding a defect stream

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=795770

--- Comment #9 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> ---
Thanks for the ping.

Yes. I can reproduce the issue. As matter of fact I could dump a h264 raw file
with the stream[1] and the issue is still reproducible.

Even ffmpeg complains about the POC "co located POCs unavailable"

If I understand correctly, the stream has a large GOP with a lot of B frames,
depending on a non-existing I frame, thus the DPB grows and exhaust the
available VA surfaces.

1. https://www.ceyusa.com/media/bug795770.h264
(I can remove it if you wish).

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