[Bug 762546] Stride information is missing in buffers from vaapipostproc

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=762546

Nicolas Dufresne (stormer) <nicolas.dufresne at collabora.co.uk> changed:

           What    |Removed                     |Added
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                 CC|                            |nicolas.dufresne at collabora.
                   |                            |co.uk

--- Comment #1 from Nicolas Dufresne (stormer) <nicolas.dufresne at collabora.co.uk> ---
This is a bit tricky, appsink does not support GstVideoMeta, so upstream
element cannot add this meta on the buffers. That should theoretically force
upstream element to copy/crop the buffers so they use a default stride. Maybe
vaapipostproc does not do. So the proper behaviour here will simply kill the
performance for you use case (until someone add a way to support VideoMeta in
appsink).

The proper fix to vaapipostproc is to copy/crop (gst_video_frame_copy() handles
thats) before pushing.

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