From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
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: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
include/uapi/linux/videodev2.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 95ef455..547ef45 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1055,6 +1055,16 @@ 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
--
1.8.3.2
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