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Diffstat (limited to 'Documentation/DocBook/media/v4l/pixfmt-grey.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/pixfmt-grey.xml | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/pixfmt-grey.xml b/Documentation/DocBook/media/v4l/pixfmt-grey.xml new file mode 100644 index 00000000..bee970d3 --- /dev/null +++ b/Documentation/DocBook/media/v4l/pixfmt-grey.xml @@ -0,0 +1,62 @@ + <refentry id="V4L2-PIX-FMT-GREY"> + <refmeta> + <refentrytitle>V4L2_PIX_FMT_GREY ('GREY')</refentrytitle> + &manvol; + </refmeta> + <refnamediv> + <refname><constant>V4L2_PIX_FMT_GREY</constant></refname> + <refpurpose>Grey-scale image</refpurpose> + </refnamediv> + <refsect1> + <title>Description</title> + + <para>This is a grey-scale image. It is really a degenerate +Y'CbCr format which simply contains no Cb or Cr data.</para> + + <example> + <title><constant>V4L2_PIX_FMT_GREY</constant> 4 × 4 +pixel image</title> + + <formalpara> + <title>Byte Order.</title> + <para>Each cell is one byte. + <informaltable frame="none"> + <tgroup cols="5" align="center"> + <colspec align="left" colwidth="2*" /> + <tbody valign="top"> + <row> + <entry>start + 0:</entry> + <entry>Y'<subscript>00</subscript></entry> + <entry>Y'<subscript>01</subscript></entry> + <entry>Y'<subscript>02</subscript></entry> + <entry>Y'<subscript>03</subscript></entry> + </row> + <row> + <entry>start + 4:</entry> + <entry>Y'<subscript>10</subscript></entry> + <entry>Y'<subscript>11</subscript></entry> + <entry>Y'<subscript>12</subscript></entry> + <entry>Y'<subscript>13</subscript></entry> + </row> + <row> + <entry>start + 8:</entry> + <entry>Y'<subscript>20</subscript></entry> + <entry>Y'<subscript>21</subscript></entry> + <entry>Y'<subscript>22</subscript></entry> + <entry>Y'<subscript>23</subscript></entry> + </row> + <row> + <entry>start + 12:</entry> + <entry>Y'<subscript>30</subscript></entry> + <entry>Y'<subscript>31</subscript></entry> + <entry>Y'<subscript>32</subscript></entry> + <entry>Y'<subscript>33</subscript></entry> + </row> + </tbody> + </tgroup> + </informaltable> + </para> + </formalpara> + </example> + </refsect1> + </refentry> |