From: Hans Verkuil <hans.verkuil@cisco.com>
Date: Fri, 28 Mar 2014 16:01:42 +0000 (-0300)
Subject: [media] DocBook media: document new motion detection controls
X-Git-Tag: firefly_0821_release~176^2~2474^2~1298
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=407d3a87e314f813d1a12bcffb9d12d1eff83379;p=firefly-linux-kernel-4.4.55.git
[media] DocBook media: document new motion detection controls
Document the 'Detect' control class and the new Motion Detection controls.
Those controls will be used by the solo6x10 and go7007 drivers.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---
diff --git a/Documentation/DocBook/media/v4l/controls.xml b/Documentation/DocBook/media/v4l/controls.xml
index e7b8b72651bf..cc0087efc8d2 100644
--- a/Documentation/DocBook/media/v4l/controls.xml
+++ b/Documentation/DocBook/media/v4l/controls.xml
@@ -5055,6 +5055,102 @@ defines possible values for de-emphasis. Here they are:</entry>
</tbody>
</tgroup>
</table>
+ </section>
+
+ <section id="detect-controls">
+ <title>Detect Control Reference</title>
+
+ <para>The Detect class includes controls for common features of
+ various motion or object detection capable devices.</para>
+
+ <table pgwide="1" frame="none" id="detect-control-id">
+ <title>Detect Control IDs</title>
+
+ <tgroup cols="4">
+ <colspec colname="c1" colwidth="1*" />
+ <colspec colname="c2" colwidth="6*" />
+ <colspec colname="c3" colwidth="2*" />
+ <colspec colname="c4" colwidth="6*" />
+ <spanspec namest="c1" nameend="c2" spanname="id" />
+ <spanspec namest="c2" nameend="c4" spanname="descr" />
+ <thead>
+ <row>
+ <entry spanname="id" align="left">ID</entry>
+ <entry align="left">Type</entry>
+ </row><row rowsep="1"><entry spanname="descr" align="left">Description</entry>
+ </row>
+ </thead>
+ <tbody valign="top">
+ <row><entry></entry></row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_DETECT_CLASS</constant> </entry>
+ <entry>class</entry>
+ </row><row><entry spanname="descr">The Detect class
+descriptor. Calling &VIDIOC-QUERYCTRL; for this control will return a
+description of this control class.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_DETECT_MD_MODE</constant> </entry>
+ <entry>menu</entry>
+ </row><row><entry spanname="descr">Sets the motion detection mode.</entry>
+ </row>
+ <row>
+ <entrytbl spanname="descr" cols="2">
+ <tbody valign="top">
+ <row>
+ <entry><constant>V4L2_DETECT_MD_MODE_DISABLED</constant>
+ </entry><entry>Disable motion detection.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_DETECT_MD_MODE_GLOBAL</constant>
+ </entry><entry>Use a single motion detection threshold.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_DETECT_MD_MODE_THRESHOLD_GRID</constant>
+ </entry><entry>The image is divided into a grid, each cell with its own
+ motion detection threshold. These thresholds are set through the
+ <constant>V4L2_CID_DETECT_MD_THRESHOLD_GRID</constant> matrix control.</entry>
+ </row>
+ <row>
+ <entry><constant>V4L2_DETECT_MD_MODE_REGION_GRID</constant>
+ </entry><entry>The image is divided into a grid, each cell with its own
+ region value that specifies which per-region motion detection thresholds
+ should be used. Each region has its own thresholds. How these per-region
+ thresholds are set up is driver-specific. The region values for the grid are set
+ through the <constant>V4L2_CID_DETECT_MD_REGION_GRID</constant> matrix
+ control.</entry>
+ </row>
+ </tbody>
+ </entrytbl>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD</constant> </entry>
+ <entry>integer</entry>
+ </row>
+ <row><entry spanname="descr">Sets the global motion detection threshold to be
+ used with the <constant>V4L2_DETECT_MD_MODE_GLOBAL</constant> motion detection mode.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_DETECT_MD_THRESHOLD_GRID</constant> </entry>
+ <entry>__u16 matrix</entry>
+ </row>
+ <row><entry spanname="descr">Sets the motion detection thresholds for each cell in the grid.
+ To be used with the <constant>V4L2_DETECT_MD_MODE_THRESHOLD_GRID</constant>
+ motion detection mode. Matrix element (0, 0) represents the cell at the top-left of the
+ grid.</entry>
+ </row>
+ <row>
+ <entry spanname="id"><constant>V4L2_CID_DETECT_MD_REGION_GRID</constant> </entry>
+ <entry>__u8 matrix</entry>
+ </row>
+ <row><entry spanname="descr">Sets the motion detection region value for each cell in the grid.
+ To be used with the <constant>V4L2_DETECT_MD_MODE_REGION_GRID</constant>
+ motion detection mode. Matrix element (0, 0) represents the cell at the top-left of the
+ grid.</entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </table>
</section>