Documentation/DocBook/media/v4l/pixfmt-sdr-cs08.xml

   1 <refentry id="V4L2-SDR-FMT-CS08">
   2   <refmeta>
   3     <refentrytitle>V4L2_SDR_FMT_CS8 ('CS08')</refentrytitle>
   4     &manvol;
   5   </refmeta>
   6     <refnamediv>
   7       <refname>
   8         <constant>V4L2_SDR_FMT_CS8</constant>
   9       </refname>
  10       <refpurpose>Complex signed 8-bit IQ sample</refpurpose>
  11     </refnamediv>
  12     <refsect1>
  13       <title>Description</title>
  14       <para>
  15 This format contains sequence of complex number samples. Each complex number
  16 consist two parts, called In-phase and Quadrature (IQ). Both I and Q are
  17 represented as a 8 bit signed number. I value comes first and Q value after
  18 that.
  19       </para>
  20     <example>
  21       <title><constant>V4L2_SDR_FMT_CS8</constant> 1 sample</title>
  22       <formalpara>
  23         <title>Byte Order.</title>
  24         <para>Each cell is one byte.
  25           <informaltable frame="none">
  26             <tgroup cols="2" align="center">
  27               <colspec align="left" colwidth="2*" />
  28               <tbody valign="top">
  29                 <row>
  30                   <entry>start&nbsp;+&nbsp;0:</entry>
  31                   <entry>I'<subscript>0</subscript></entry>
  32                 </row>
  33                 <row>
  34                   <entry>start&nbsp;+&nbsp;1:</entry>
  35                   <entry>Q'<subscript>0</subscript></entry>
  36                 </row>
  37               </tbody>
  38             </tgroup>
  39           </informaltable>
  40         </para>
  41       </formalpara>
  42     </example>
  43   </refsect1>
  44 </refentry>