| <refentry id="V4L2-PIX-FMT-Z16"> |
| <refmeta> |
| <refentrytitle>V4L2_PIX_FMT_Z16 ('Z16 ')</refentrytitle> |
| &manvol; |
| </refmeta> |
| <refnamediv> |
| <refname><constant>V4L2_PIX_FMT_Z16</constant></refname> |
| <refpurpose>Interleaved grey-scale image, e.g. from a stereo-pair</refpurpose> |
| </refnamediv> |
| <refsect1> |
| <title>Description</title> |
| |
| <para>This is a 16-bit format, representing depth data. Each pixel is a |
| distance to the respective point in the image coordinates. Distance unit can |
| vary and has to be negotiated with the device separately. Each pixel is stored |
| in a 16-bit word in the little endian byte order. |
| </para> |
| |
| <example> |
| <title><constant>V4L2_PIX_FMT_Z16</constant> 4 × 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 + 0:</entry> |
| <entry>Z<subscript>00low</subscript></entry> |
| <entry>Z<subscript>00high</subscript></entry> |
| <entry>Z<subscript>01low</subscript></entry> |
| <entry>Z<subscript>01high</subscript></entry> |
| <entry>Z<subscript>02low</subscript></entry> |
| <entry>Z<subscript>02high</subscript></entry> |
| <entry>Z<subscript>03low</subscript></entry> |
| <entry>Z<subscript>03high</subscript></entry> |
| </row> |
| <row> |
| <entry>start + 8:</entry> |
| <entry>Z<subscript>10low</subscript></entry> |
| <entry>Z<subscript>10high</subscript></entry> |
| <entry>Z<subscript>11low</subscript></entry> |
| <entry>Z<subscript>11high</subscript></entry> |
| <entry>Z<subscript>12low</subscript></entry> |
| <entry>Z<subscript>12high</subscript></entry> |
| <entry>Z<subscript>13low</subscript></entry> |
| <entry>Z<subscript>13high</subscript></entry> |
| </row> |
| <row> |
| <entry>start + 16:</entry> |
| <entry>Z<subscript>20low</subscript></entry> |
| <entry>Z<subscript>20high</subscript></entry> |
| <entry>Z<subscript>21low</subscript></entry> |
| <entry>Z<subscript>21high</subscript></entry> |
| <entry>Z<subscript>22low</subscript></entry> |
| <entry>Z<subscript>22high</subscript></entry> |
| <entry>Z<subscript>23low</subscript></entry> |
| <entry>Z<subscript>23high</subscript></entry> |
| </row> |
| <row> |
| <entry>start + 24:</entry> |
| <entry>Z<subscript>30low</subscript></entry> |
| <entry>Z<subscript>30high</subscript></entry> |
| <entry>Z<subscript>31low</subscript></entry> |
| <entry>Z<subscript>31high</subscript></entry> |
| <entry>Z<subscript>32low</subscript></entry> |
| <entry>Z<subscript>32high</subscript></entry> |
| <entry>Z<subscript>33low</subscript></entry> |
| <entry>Z<subscript>33high</subscript></entry> |
| </row> |
| </tbody> |
| </tgroup> |
| </informaltable> |
| </para> |
| </formalpara> |
| </example> |
| </refsect1> |
| </refentry> |
