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Commit 0b4bc768 authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

[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: default avatarSakari Ailus <sakari.ailus@iki.fi>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 6936d74f

Documentation/DocBook/media/v4l/selections-common.xml

+16 −0
Original line number Diff line number Diff line
@@ -62,6 +62,22 @@ 
	    <entry>Yes</entry>

	    <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>

include/uapi/linux/v4l2-common.h

+2 −0
Original line number Diff line number Diff line
@@ -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 */