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Commit 7f68127f authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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[media] videodev2.h: defines to calculate blanking and frame sizes 



It is very common to have to calculate the total width and height of the
blanking and the full frame, so add a few defines that deal with that.

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Acked-by: default avatarLad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 5d2db817

include/uapi/linux/videodev2.h

+10 −0
Original line number Diff line number Diff line
@@ -1057,6 +1057,16 @@ struct v4l2_bt_timings { 
   or used depends on the hardware. */

#define V4L2_DV_FL_HALF_LINE			(1 << 3)



/* A few useful defines to calculate the total blanking and frame sizes */

#define V4L2_DV_BT_BLANKING_WIDTH(bt) \

	(bt->hfrontporch + bt->hsync + bt->hbackporch)

#define V4L2_DV_BT_FRAME_WIDTH(bt) \

	(bt->width + V4L2_DV_BT_BLANKING_WIDTH(bt))

#define V4L2_DV_BT_BLANKING_HEIGHT(bt) \

	(bt->vfrontporch + bt->vsync + bt->vbackporch + \

	 bt->il_vfrontporch + bt->il_vsync + bt->il_vbackporch)

#define V4L2_DV_BT_FRAME_HEIGHT(bt) \

	(bt->height + V4L2_DV_BT_BLANKING_HEIGHT(bt))



/** struct v4l2_dv_timings - DV timings

 * @type:	the type of the timings