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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-03-14 16:14:27 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-03-18 19:15:18 +0200
commit1e6eb88048260da43622387cb8a7ae4f8fd84532 (patch)
tree8639c9a18d25c1f6194d7ea9ebb3817a6c7a3c39 /licenses/apache-2.0.txt
parent4c82053d4a1aa0ae5437349663ccfc5c66d387ab (diff)
libcamera: v4l2_videodevice: Add standalone buffer export support
Add a new exportBuffers() function that only performs buffer allocation and export, but leaves the V4L2 buffer queue unallocated on return. This function will be used to simplify buffer allocation for pipeline handlers. This is made possible by the V4L2 buffer orphaning feature introduced in Linux v5.0, so add a version check to catch and report issues early. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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