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[media] v4l: Add metadata buffer type and format

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The metadata buffer type is used to transfer metadata between userspace
and kernelspace through a V4L2 buffers queue. It comes with a new
metadata capture capability and format description.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: removed left-over 'experimental' note]
[hans.verkuil@cisco.com: add newline after _v4l2-meta-format label]

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Laurent Pinchart
2016-04-12 19:40:46 -03:00
committed by Mauro Carvalho Chehab
parent 3e9a0e0bfa
commit fb9ffa6a7f
12 changed files with 164 additions and 6 deletions
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1
include/trace/events/v4l2.h
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@@ -29,6 +29,7 @@
EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, "VIDEO_OUTPUT_MPLANE" ) \
EM( V4L2_BUF_TYPE_SDR_CAPTURE, "SDR_CAPTURE" ) \
EM( V4L2_BUF_TYPE_SDR_OUTPUT, "SDR_OUTPUT" ) \
EM( V4L2_BUF_TYPE_META_CAPTURE, "META_CAPTURE" ) \
EMe(V4L2_BUF_TYPE_PRIVATE, "PRIVATE" )
SHOW_TYPE