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Commit eaa0b96b authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
Browse files

[media] media: Add video statistics computation functions 



The video statistics function describes entities such as video histogram
engines or 3A statistics engines.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Acked-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@s-opensource.com>
parent 1179aab1

Documentation/DocBook/media/v4l/media-types.xml

+9 −0
Original line number Diff line number Diff line
@@ -176,6 +176,15 @@ 
		   skipping are considered as scaling.

	    </entry>

	  </row>

	  <row>

	    <entry><constant>MEDIA_ENT_F_PROC_VIDEO_STATISTICS</constant></entry>

	    <entry>Video statistics computation (histogram, 3A, ...). An entity

		   capable of statistics computation must have one sink pad and

		   one source pad. It computes statistics over the frames

		   received on its sink pad and outputs the statistics data on

		   its source pad.

	    </entry>

	  </row>

	</tbody>

      </tgroup>

    </table>

include/uapi/linux/media.h

+1 −0
Original line number Diff line number Diff line
@@ -102,6 +102,7 @@ struct media_device_info { 
#define MEDIA_ENT_F_PROC_VIDEO_PIXEL_ENC_CONV	(MEDIA_ENT_F_BASE + 0x4003)

#define MEDIA_ENT_F_PROC_VIDEO_LUT		(MEDIA_ENT_F_BASE + 0x4004)

#define MEDIA_ENT_F_PROC_VIDEO_SCALER		(MEDIA_ENT_F_BASE + 0x4005)

#define MEDIA_ENT_F_PROC_VIDEO_STATISTICS	(MEDIA_ENT_F_BASE + 0x4006)



/*

 * Connectors