From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Add a new MOTION_DET event to signal when motion is detected.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
include/uapi/linux/videodev2.h | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 8b70f51..4cbfb16 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -1773,6 +1773,7 @@ struct v4l2_streamparm {
#define V4L2_EVENT_EOS 2
#define V4L2_EVENT_CTRL 3
#define V4L2_EVENT_FRAME_SYNC 4
+#define V4L2_EVENT_MOTION_DET 5
#define V4L2_EVENT_PRIVATE_START 0x08000000
/* Payload for V4L2_EVENT_VSYNC */
@@ -1804,12 +1805,28 @@ struct v4l2_event_frame_sync {
__u32 frame_sequence;
};
+#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 {
struct v4l2_event_vsync vsync;
struct v4l2_event_ctrl ctrl;
struct v4l2_event_frame_sync frame_sync;
+ struct v4l2_event_motion_det motion_det;
__u8 data[64];
} u;
__u32 pending;
--
1.8.4.rc3
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