[Bug 786173] vaapi h264 decoder corrupted frame when there is resolution change

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=786173

--- Comment #11 from Víctor Manuel Jáquez Leal <vjaquez at igalia.com> ---
(In reply to Matteo Valdina from comment #8)
> Hi @Hyunjun,
> I did what you asked and it is not crashing on the 1.12.2, but I'm a little
> confused.
> 
> From my understanding, the udpsrc buffer-size is the size for the socket. I
> assume that it is translated to "setsockop(SO_RCV_BUFSIZE. buffer-size
> value)" or something similar.
> 
> Is this value used also for another purpose?
> This value should only affect the buffer size if is too small will lead to a
> packet loss.
> vaapih264dec is crashing due to an incomplete slice, like when there is a
> packet loss?
> 
> I plan to use this decoder for receiving a stream from a network so a packet
> loss could happen for multiple reasons.

That might a bug in udpsrc fixed in master, and that needs to be backported to
1.12

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