On 11/18/14 22:08, Sakari Ailus wrote:
> The V4L2_SEL_TGT_NATIVE_SIZE target is used to denote e.g. the size of a
> sensor's pixel array.
>
> Signed-off-by: Sakari Ailus <sakari.ai...@iki.fi>
For the whole patch series:
Acked-by: Hans Verkuil <hans.verk...@cisco.com>
Thanks!
Once this is mainlined, can you update v4l2-ctl so it supports this
new target?
Regards,
Hans
> ---
> since v2:
> - Add a note on s_selection support for native selection target on mem2mem
> devices only.
> - Reverse the order or left and top fields, i.e. make it the same as in
> struct v4l2_rect.
>
> Documentation/DocBook/media/v4l/selections-common.xml | 16 ++++++++++++++++
> include/uapi/linux/v4l2-common.h | 2 ++
> 2 files changed, 18 insertions(+)
>
> diff --git a/Documentation/DocBook/media/v4l/selections-common.xml
> b/Documentation/DocBook/media/v4l/selections-common.xml
> index 7502f78..d6d56fb 100644
> --- a/Documentation/DocBook/media/v4l/selections-common.xml
> +++ b/Documentation/DocBook/media/v4l/selections-common.xml
> @@ -63,6 +63,22 @@
> <entry>Yes</entry>
> </row>
> <row>
> + <entry><constant>V4L2_SEL_TGT_NATIVE_SIZE</constant></entry>
> + <entry>0x0003</entry>
> + <entry>The native size of the device, e.g. a sensor's
> + pixel array. <structfield>left</structfield> and
> + <structfield>top</structfield> fields are zero for this
> + target. Setting the native size will generally only make
> + sense for memory to memory devices where the software can
> + create a canvas of a given size in which for example a
> + video frame can be composed. In that case
> + V4L2_SEL_TGT_NATIVE_SIZE can be used to configure the size
> + of that canvas.
> + </entry>
> + <entry>Yes</entry>
> + <entry>Yes</entry>
> + </row>
> + <row>
> <entry><constant>V4L2_SEL_TGT_COMPOSE</constant></entry>
> <entry>0x0100</entry>
> <entry>Compose rectangle. Used to configure scaling
> diff --git a/include/uapi/linux/v4l2-common.h
> b/include/uapi/linux/v4l2-common.h
> index 2f6f8ca..1527398 100644
> --- a/include/uapi/linux/v4l2-common.h
> +++ b/include/uapi/linux/v4l2-common.h
> @@ -43,6 +43,8 @@
> #define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
> /* Cropping bounds */
> #define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
> +/* Native frame size */
> +#define V4L2_SEL_TGT_NATIVE_SIZE 0x0003
> /* Current composing area */
> #define V4L2_SEL_TGT_COMPOSE 0x0100
> /* Default composing area */
>
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