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authorJacopo Mondi <jacopo@jmondi.org>2019-07-10 12:07:19 +0200
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2019-07-14 16:01:03 +0300
commitf1199a1011a22f00e863473ae241c781f4bd999d (patch)
tree1201339db3d65fcd5d8ad9718c063b3abea5910e /test/v4l2_subdevice
parent99e1e786b475f3d6f4f8d9f5cd21db6c524ba60f (diff)
libcamera: buffer: Add dmabuf file descriptors
In addition to referencing buffer memory by index, add support to referencing it using dmabuf file descriptors. This will be used to reference buffer memory allocated outside of libcamera and import it. The dmabuf file descriptors are stored in an array in the Buffer class, and a new Stream::createBuffer() overload is added to construct a buffer from dmabuf file descriptor. Signed-off-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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