Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / Documentation / DocBook / media / v4l / pixfmt-vyuy.xml

diff --git a/kernel/Documentation/DocBook/media/v4l/pixfmt-vyuy.xml b/kernel/Documentation/DocBook/media/v4l/pixfmt-vyuy.xml
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+    <refentry id="V4L2-PIX-FMT-VYUY">
+      <refmeta>
+       <refentrytitle>V4L2_PIX_FMT_VYUY ('VYUY')</refentrytitle>
+       &manvol;
+      </refmeta>
+      <refnamediv>
+       <refname><constant>V4L2_PIX_FMT_VYUY</constant></refname>
+       <refpurpose>Variation of
+<constant>V4L2_PIX_FMT_YUYV</constant> with different order of samples
+in memory</refpurpose>
+      </refnamediv>
+      <refsect1>
+       <title>Description</title>
+
+       <para>In this format each four bytes is two pixels. Each four
+bytes is two Y's, a Cb and a Cr. Each Y goes to one of the pixels, and
+the Cb and Cr belong to both pixels. As you can see, the Cr and Cb
+components have half the horizontal resolution of the Y
+component.</para>
+
+       <example>
+         <title><constant>V4L2_PIX_FMT_VYUY</constant> 4 &times; 4
+pixel image</title>
+
+         <formalpara>
+           <title>Byte Order.</title>
+           <para>Each cell is one byte.
+               <informaltable frame="none">
+               <tgroup cols="9" align="center">
+                 <colspec align="left" colwidth="2*" />
+                 <tbody valign="top">
+                   <row>
+                     <entry>start&nbsp;+&nbsp;0:</entry>
+                     <entry>Cr<subscript>00</subscript></entry>
+                     <entry>Y'<subscript>00</subscript></entry>
+                     <entry>Cb<subscript>00</subscript></entry>
+                     <entry>Y'<subscript>01</subscript></entry>
+                     <entry>Cr<subscript>01</subscript></entry>
+                     <entry>Y'<subscript>02</subscript></entry>
+                     <entry>Cb<subscript>01</subscript></entry>
+                     <entry>Y'<subscript>03</subscript></entry>
+                   </row>
+                   <row>
+                     <entry>start&nbsp;+&nbsp;8:</entry>
+                     <entry>Cr<subscript>10</subscript></entry>
+                     <entry>Y'<subscript>10</subscript></entry>
+                     <entry>Cb<subscript>10</subscript></entry>
+                     <entry>Y'<subscript>11</subscript></entry>
+                     <entry>Cr<subscript>11</subscript></entry>
+                     <entry>Y'<subscript>12</subscript></entry>
+                     <entry>Cb<subscript>11</subscript></entry>
+                     <entry>Y'<subscript>13</subscript></entry>
+                   </row>
+                   <row>
+                     <entry>start&nbsp;+&nbsp;16:</entry>
+                     <entry>Cr<subscript>20</subscript></entry>
+                     <entry>Y'<subscript>20</subscript></entry>
+                     <entry>Cb<subscript>20</subscript></entry>
+                     <entry>Y'<subscript>21</subscript></entry>
+                     <entry>Cr<subscript>21</subscript></entry>
+                     <entry>Y'<subscript>22</subscript></entry>
+                     <entry>Cb<subscript>21</subscript></entry>
+                     <entry>Y'<subscript>23</subscript></entry>
+                   </row>
+                   <row>
+                     <entry>start&nbsp;+&nbsp;24:</entry>
+                     <entry>Cr<subscript>30</subscript></entry>
+                     <entry>Y'<subscript>30</subscript></entry>
+                     <entry>Cb<subscript>30</subscript></entry>
+                     <entry>Y'<subscript>31</subscript></entry>
+                     <entry>Cr<subscript>31</subscript></entry>
+                     <entry>Y'<subscript>32</subscript></entry>
+                     <entry>Cb<subscript>31</subscript></entry>
+                     <entry>Y'<subscript>33</subscript></entry>
+                   </row>
+                 </tbody>
+               </tgroup>
+               </informaltable>
+             </para>
+         </formalpara>
+
+         <formalpara>
+           <title>Color Sample Location.</title>
+           <para>
+               <informaltable frame="none">
+               <tgroup cols="7" align="center">
+                 <tbody valign="top">
+                   <row>
+                     <entry></entry>
+                     <entry>0</entry><entry></entry><entry>1</entry><entry></entry>
+                     <entry>2</entry><entry></entry><entry>3</entry>
+                   </row>
+                   <row>
+                     <entry>0</entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry>
+                   </row>
+                   <row>
+                     <entry>1</entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry>
+                   </row>
+                   <row>
+                     <entry>2</entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry>
+                   </row>
+                   <row>
+                     <entry>3</entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry>
+                     <entry>Y</entry><entry>C</entry><entry>Y</entry>
+                   </row>
+                 </tbody>
+               </tgroup>
+               </informaltable>
+             </para>
+         </formalpara>
+       </example>
+      </refsect1>
+    </refentry>