[Bug 738013] v4l2allocator: issue with import_userptr() in single-planar API when n_planes > 1

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=738013

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

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--- Comment #18 from Nicolas Dufresne (stormer) <nicolas.dufresne at collabora.co.uk> ---
Review of attachment 295292:
 --> (https://bugzilla.gnome.org/review?bug=738013&attachment=295292)

commit ac3cb8817e042bbed3d86d8f1cd1c45e49015a2c
Author: Aurélien Zanelli <aurelien.zanelli at parrot.com>
Date:   Fri Jan 23 10:15:46 2015 +0100

    v4l2allocator: let bufferpool calculate image size when importing userptr

    Offset are relative to the buffer and there is no guarantee substracting
    them will give us the plane size. So we let bufferpool make the math as
    it is more aware of video info than allocator and pass a size array to
    allocator import function.

    Pointed out by Nicolas Dufresne <nicolas.dufresne at collabora.com>

    https://bugzilla.gnome.org/show_bug.cgi?id=738013

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