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@xxxxxx> --- 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 */ -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
