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Diffstat (limited to 'Documentation/DocBook/v4l/pixfmt-y12.xml')
-rw-r--r-- | Documentation/DocBook/v4l/pixfmt-y12.xml | 79 |
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diff --git a/Documentation/DocBook/v4l/pixfmt-y12.xml b/Documentation/DocBook/v4l/pixfmt-y12.xml new file mode 100644 index 000000000000..ff417b858cc9 --- /dev/null +++ b/Documentation/DocBook/v4l/pixfmt-y12.xml | |||
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1 | <refentry id="V4L2-PIX-FMT-Y12"> | ||
2 | <refmeta> | ||
3 | <refentrytitle>V4L2_PIX_FMT_Y12 ('Y12 ')</refentrytitle> | ||
4 | &manvol; | ||
5 | </refmeta> | ||
6 | <refnamediv> | ||
7 | <refname><constant>V4L2_PIX_FMT_Y12</constant></refname> | ||
8 | <refpurpose>Grey-scale image</refpurpose> | ||
9 | </refnamediv> | ||
10 | <refsect1> | ||
11 | <title>Description</title> | ||
12 | |||
13 | <para>This is a grey-scale image with a depth of 12 bits per pixel. Pixels | ||
14 | are stored in 16-bit words with unused high bits padded with 0. The least | ||
15 | significant byte is stored at lower memory addresses (little-endian).</para> | ||
16 | |||
17 | <example> | ||
18 | <title><constant>V4L2_PIX_FMT_Y12</constant> 4 × 4 | ||
19 | pixel image</title> | ||
20 | |||
21 | <formalpara> | ||
22 | <title>Byte Order.</title> | ||
23 | <para>Each cell is one byte. | ||
24 | <informaltable frame="none"> | ||
25 | <tgroup cols="9" align="center"> | ||
26 | <colspec align="left" colwidth="2*" /> | ||
27 | <tbody valign="top"> | ||
28 | <row> | ||
29 | <entry>start + 0:</entry> | ||
30 | <entry>Y'<subscript>00low</subscript></entry> | ||
31 | <entry>Y'<subscript>00high</subscript></entry> | ||
32 | <entry>Y'<subscript>01low</subscript></entry> | ||
33 | <entry>Y'<subscript>01high</subscript></entry> | ||
34 | <entry>Y'<subscript>02low</subscript></entry> | ||
35 | <entry>Y'<subscript>02high</subscript></entry> | ||
36 | <entry>Y'<subscript>03low</subscript></entry> | ||
37 | <entry>Y'<subscript>03high</subscript></entry> | ||
38 | </row> | ||
39 | <row> | ||
40 | <entry>start + 8:</entry> | ||
41 | <entry>Y'<subscript>10low</subscript></entry> | ||
42 | <entry>Y'<subscript>10high</subscript></entry> | ||
43 | <entry>Y'<subscript>11low</subscript></entry> | ||
44 | <entry>Y'<subscript>11high</subscript></entry> | ||
45 | <entry>Y'<subscript>12low</subscript></entry> | ||
46 | <entry>Y'<subscript>12high</subscript></entry> | ||
47 | <entry>Y'<subscript>13low</subscript></entry> | ||
48 | <entry>Y'<subscript>13high</subscript></entry> | ||
49 | </row> | ||
50 | <row> | ||
51 | <entry>start + 16:</entry> | ||
52 | <entry>Y'<subscript>20low</subscript></entry> | ||
53 | <entry>Y'<subscript>20high</subscript></entry> | ||
54 | <entry>Y'<subscript>21low</subscript></entry> | ||
55 | <entry>Y'<subscript>21high</subscript></entry> | ||
56 | <entry>Y'<subscript>22low</subscript></entry> | ||
57 | <entry>Y'<subscript>22high</subscript></entry> | ||
58 | <entry>Y'<subscript>23low</subscript></entry> | ||
59 | <entry>Y'<subscript>23high</subscript></entry> | ||
60 | </row> | ||
61 | <row> | ||
62 | <entry>start + 24:</entry> | ||
63 | <entry>Y'<subscript>30low</subscript></entry> | ||
64 | <entry>Y'<subscript>30high</subscript></entry> | ||
65 | <entry>Y'<subscript>31low</subscript></entry> | ||
66 | <entry>Y'<subscript>31high</subscript></entry> | ||
67 | <entry>Y'<subscript>32low</subscript></entry> | ||
68 | <entry>Y'<subscript>32high</subscript></entry> | ||
69 | <entry>Y'<subscript>33low</subscript></entry> | ||
70 | <entry>Y'<subscript>33high</subscript></entry> | ||
71 | </row> | ||
72 | </tbody> | ||
73 | </tgroup> | ||
74 | </informaltable> | ||
75 | </para> | ||
76 | </formalpara> | ||
77 | </example> | ||
78 | </refsect1> | ||
79 | </refentry> | ||