From 0b4bc768dc289731983ba5223555ffabe08eefdd Mon Sep 17 00:00:00 2001 From: Sakari Ailus Date: Wed, 15 Oct 2014 13:38:15 -0300 Subject: [PATCH] [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 Acked-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- .../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 7502f784b8cc..d6d56fb6f9c0 100644 --- a/Documentation/DocBook/media/v4l/selections-common.xml +++ b/Documentation/DocBook/media/v4l/selections-common.xml @@ -62,6 +62,22 @@ Yes Yes + + V4L2_SEL_TGT_NATIVE_SIZE + 0x0003 + The native size of the device, e.g. a sensor's + pixel array. left and + top 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. + + Yes + Yes + V4L2_SEL_TGT_COMPOSE 0x0100 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 */ -- GitLab