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media: v4l: Add a UVC Metadata format

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Add a pixel format, used by the UVC driver to stream metadata.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@intel.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Guennadi Liakhovetski
2017-11-08 11:00:12 -05:00
committed by Mauro Carvalho Chehab
parent 94c53e26dc
commit 563a01e101
4 changed files with 54 additions and 0 deletions
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include/uapi/linux/videodev2.h
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@@ -694,6 +694,7 @@ struct v4l2_pix_format {
/* Meta-data formats */
#define V4L2_META_FMT_VSP1_HGO v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
#define V4L2_META_FMT_VSP1_HGT v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
#define V4L2_META_FMT_UVC v4l2_fourcc('U', 'V', 'C', 'H') /* UVC Payload Header metadata */
/* priv field value to indicates that subsequent fields are valid. */
#define V4L2_PIX_FMT_PRIV_MAGIC 0xfeedcafe