Hi Hans,
Thanks for the patch.
On Friday 28 June 2013 14:27:33 Hans Verkuil wrote:
> From: Hans Verkuil <hans.verk...@cisco.com>
>
> Signed-off-by: Hans Verkuil <hans.verk...@cisco.com>
> ---
> 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 5cbe815..f926209 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -1721,6 +1721,7 @@ 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 */
> @@ -1752,12 +1753,28 @@ 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;
Will a 32-bit region mask be extensible enough ? What about hardware that
could report motion detection as a (possibly low resolution) binary image ?
> +};
> +
> 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;
--
Regards,
Laurent Pinchart
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