[Bug 797182] vaapih264dec: deadlock when PTS or DTS delta is zero

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=797182

--- Comment #4 from Matteo Valdina <matteo.valdina at gmail.com> ---
Hi,

You can found an example of the stream, here:
https://drive.google.com/file/d/1gEh8_T0jYclHtjUUGNUqJhBmcpDP2UVJ/view?usp=sharing

it is a pcap that you can be play

gst-launch-1.0 filesrc location=slide-1.pcap ! pcapparse dst-port=6002 ! 
application/x-rtp, payload=98, media=video, clock-rate=90000,
encoding-name=H264 ! rtph264depay ! vaapih264dec ! queue ! vaapipostproc !
waylandsink

Unfortunately, this issue is happening rarely in this command line (1 of 20).

And yes, I know that this is an ugly/nasty patch but it adds some useful log
and context to describe better the problem. It is not be intended to be
committed.


Best and thanks
Matteo Valdina

P.S. I'll be at the GStreamer conference so I can share and discuss more this
issue if you don't have enough information.

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