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Commit 78ea6113 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
Browse files

[media] v4l2: add a motion detection event 



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

Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 407d3a87

include/uapi/linux/videodev2.h

+17 −0
Original line number Diff line number Diff line
@@ -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;