diff options
| author |   Hans Verkuil <hans.verkuil@cisco.com> | 2013-07-29 08:40:58 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-18 08:17:35 -0300 |
| commit | 7f68127fa11f08c5468537eb28ca6b8b95d70f08 (patch) | |
| tree | 19d50978149ec14f3c52b7aa5fbc45abb940a4e5 /include/uapi/linux/videodev2.h | |
| parent | [media] DocBook/media/v4l: il_* fields always 0 for progressive formats (diff) | |
| download | linux-dev-7f68127fa11f08c5468537eb28ca6b8b95d70f08.tar.xz linux-dev-7f68127fa11f08c5468537eb28ca6b8b95d70f08.zip | |
[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: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'include/uapi/linux/videodev2.h')
| -rw-r--r-- | include/uapi/linux/videodev2.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index fec0c205f38b..437f1b0f8937 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -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 |