About Kernel Documentation Linux Kernel Contact Linux Resources Linux Blog

Documentation / DocBook / media / v4l / pixfmt-z16.xml


Based on kernel version 4.7.2. Page generated on 2016-08-22 22:45 EST.

1	<refentry id="V4L2-PIX-FMT-Z16">
2	  <refmeta>
3	    <refentrytitle>V4L2_PIX_FMT_Z16 ('Z16 ')</refentrytitle>
4	    &manvol;
5	  </refmeta>
6	  <refnamediv>
7	    <refname><constant>V4L2_PIX_FMT_Z16</constant></refname>
8	    <refpurpose>Interleaved grey-scale image, e.g. from a stereo-pair</refpurpose>
9	  </refnamediv>
10	  <refsect1>
11	    <title>Description</title>
12	
13	    <para>This is a 16-bit format, representing depth data. Each pixel is a
14	distance to the respective point in the image coordinates. Distance unit can
15	vary and has to be negotiated with the device separately. Each pixel is stored
16	in a 16-bit word in the little endian byte order.
17	</para>
18	
19	    <example>
20	      <title><constant>V4L2_PIX_FMT_Z16</constant> 4 &times; 4
21	pixel image</title>
22	
23	      <formalpara>
24		<title>Byte Order.</title>
25		<para>Each cell is one byte.
26		  <informaltable frame="none">
27		    <tgroup cols="9" align="center">
28		      <colspec align="left" colwidth="2*" />
29		      <tbody valign="top">
30			<row>
31			  <entry>start&nbsp;+&nbsp;0:</entry>
32			  <entry>Z<subscript>00low</subscript></entry>
33			  <entry>Z<subscript>00high</subscript></entry>
34			  <entry>Z<subscript>01low</subscript></entry>
35			  <entry>Z<subscript>01high</subscript></entry>
36			  <entry>Z<subscript>02low</subscript></entry>
37			  <entry>Z<subscript>02high</subscript></entry>
38			  <entry>Z<subscript>03low</subscript></entry>
39			  <entry>Z<subscript>03high</subscript></entry>
40			</row>
41			<row>
42			  <entry>start&nbsp;+&nbsp;8:</entry>
43			  <entry>Z<subscript>10low</subscript></entry>
44			  <entry>Z<subscript>10high</subscript></entry>
45			  <entry>Z<subscript>11low</subscript></entry>
46			  <entry>Z<subscript>11high</subscript></entry>
47			  <entry>Z<subscript>12low</subscript></entry>
48			  <entry>Z<subscript>12high</subscript></entry>
49			  <entry>Z<subscript>13low</subscript></entry>
50			  <entry>Z<subscript>13high</subscript></entry>
51			</row>
52			<row>
53			  <entry>start&nbsp;+&nbsp;16:</entry>
54			  <entry>Z<subscript>20low</subscript></entry>
55			  <entry>Z<subscript>20high</subscript></entry>
56			  <entry>Z<subscript>21low</subscript></entry>
57			  <entry>Z<subscript>21high</subscript></entry>
58			  <entry>Z<subscript>22low</subscript></entry>
59			  <entry>Z<subscript>22high</subscript></entry>
60			  <entry>Z<subscript>23low</subscript></entry>
61			  <entry>Z<subscript>23high</subscript></entry>
62			</row>
63			<row>
64			  <entry>start&nbsp;+&nbsp;24:</entry>
65			  <entry>Z<subscript>30low</subscript></entry>
66			  <entry>Z<subscript>30high</subscript></entry>
67			  <entry>Z<subscript>31low</subscript></entry>
68			  <entry>Z<subscript>31high</subscript></entry>
69			  <entry>Z<subscript>32low</subscript></entry>
70			  <entry>Z<subscript>32high</subscript></entry>
71			  <entry>Z<subscript>33low</subscript></entry>
72			  <entry>Z<subscript>33high</subscript></entry>
73			</row>
74		      </tbody>
75		    </tgroup>
76		  </informaltable>
77		</para>
78	      </formalpara>
79	    </example>
80	  </refsect1>
81	</refentry>
Hide Line Numbers


About Kernel Documentation Linux Kernel Contact Linux Resources Linux Blog