diff options
| author | Sakari Ailus <sakari.ailus@iki.fi> | 2014-10-15 13:38:15 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2014-12-04 12:37:01 -0200 |
| commit | 0b4bc768dc289731983ba5223555ffabe08eefdd (patch) | |
| tree | 7e4e154b997af40cb897cb58555758009e8a15ea | |
| parent | 6936d74fb511b2d75720d6c15e8296d65988aaa2 (diff) | |
[media] v4l: Add V4L2_SEL_TGT_NATIVE_SIZE selection target
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.ailus@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
| -rw-r--r-- | Documentation/DocBook/media/v4l/selections-common.xml | 16 | ||||
| -rw-r--r-- | include/uapi/linux/v4l2-common.h | 2 |
2 files changed, 18 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/selections-common.xml b/Documentation/DocBook/media/v4l/selections-common.xml index 7502f784b8cc..d6d56fb6f9c0 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 2f6f8cafe773..15273987093e 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 */ |