]> git.karo-electronics.de Git - linux-beck.git/commitdiff
[media] DocBook media: document new motion detection controls
authorHans Verkuil <hans.verkuil@cisco.com>
Fri, 28 Mar 2014 16:01:42 +0000 (13:01 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Thu, 17 Jul 2014 14:57:27 +0000 (11:57 -0300)
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>
Documentation/DocBook/media/v4l/controls.xml

index e7b8b72651bfb65ba3af2594e1354ab29e43dfaf..cc0087efc8d25d92d34851367370cade9e543700 100644 (file)
@@ -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>&nbsp;</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>&nbsp;</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>&nbsp;</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>&nbsp;</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>&nbsp;</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>