[Bug 785085] multiple vaapi encoding pipelines on radeonsi segfault

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=785085

--- Comment #12 from Julien Isorce <julien.isorce at gmail.com> ---
(In reply to Tomas Rataj from comment #11)
> Thank you guys. Problem with picture_id is gone 
Thx for confirming. I submited the patch for review:
https://patchwork.freedesktop.org/patch/168921/

> but there might be still
> something wrong. With the original pipeline I am getting invalid read here:
> 
> https://cgit.freedesktop.org/gstreamer/gstreamer-vaapi/tree/gst-libs/gst/
> vaapi/gstvaapidisplay.c#n272
> 

Could be indeed, also the "*fipp = &g_array_index(" looks dangerous. Can you
add some traces to figure out what is wrong exactly ?
Do you also get it if you force RGBA with "RGBA ! vaapipostproc" (see previous
msgs) ?

About the gpu lockup it does not look good :) Can you attach the full dmesg
when this happens and also the GST_DEBUG=*vaapi*:6 traces. I wonder if
mesa:"vlVaTerminate" is called in between. Since you mentioned that it happens
when terminating the app. And maybe also are more traces around
mesa::vlVaPutImage (image.c:557).

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