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[media] v4l2: add a motion detection event 

Add a new MOTION_DET event to signal when motion is detected.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-01-27 09:26:23 -03:00 committed by Mauro Carvalho Chehab
parent 407d3a87e3
commit 78ea611385
1 changed files with 17 additions and 0 deletions
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17
include/uapi/linux/videodev2.h
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@ -1799,6 +1799,7 @@ struct v4l2_streamparm {
#define V4L2_EVENT_CTRL 3
#define V4L2_EVENT_FRAME_SYNC 4
#define V4L2_EVENT_SOURCE_CHANGE 5
#define V4L2_EVENT_MOTION_DET 6
#define V4L2_EVENT_PRIVATE_START 0x08000000
/* Payload for V4L2_EVENT_VSYNC */
@ -1836,6 +1837,21 @@ struct v4l2_event_src_change {
__u32 changes;
};
#define V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ (1 << 0)
/**
* struct v4l2_event_motion_det - motion detection event
* @flags: if V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ is set, then the
* frame_sequence field is valid.
* @frame_sequence: the frame sequence number associated with this event.
* @region_mask: which regions detected motion.
*/
struct v4l2_event_motion_det {
__u32 flags;
__u32 frame_sequence;
__u32 region_mask;
};
struct v4l2_event {
__u32 type;
union {
@ -1843,6 +1859,7 @@ struct v4l2_event {
struct v4l2_event_ctrl ctrl;
struct v4l2_event_frame_sync frame_sync;
struct v4l2_event_src_change src_change;
struct v4l2_event_motion_det motion_det;
__u8 data[64];
} u;
__u32 pending;