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- <refentry>
- <refmeta>
- <refentrytitle>V4L2_PIX_FMT_SRGGB12 ('RG12'),
- V4L2_PIX_FMT_SGRBG12 ('BA12'),
- V4L2_PIX_FMT_SGBRG12 ('GB12'),
- V4L2_PIX_FMT_SBGGR12 ('BG12'),
- </refentrytitle>
- &manvol;
- </refmeta>
- <refnamediv>
- <refname id="V4L2-PIX-FMT-SRGGB12"><constant>V4L2_PIX_FMT_SRGGB12</constant></refname>
- <refname id="V4L2-PIX-FMT-SGRBG12"><constant>V4L2_PIX_FMT_SGRBG12</constant></refname>
- <refname id="V4L2-PIX-FMT-SGBRG12"><constant>V4L2_PIX_FMT_SGBRG12</constant></refname>
- <refname id="V4L2-PIX-FMT-SBGGR12"><constant>V4L2_PIX_FMT_SBGGR12</constant></refname>
- <refpurpose>12-bit Bayer formats expanded to 16 bits</refpurpose>
- </refnamediv>
- <refsect1>
- <title>Description</title>
-
- <para>The following four pixel formats are raw sRGB / Bayer formats with
-12 bits per colour. Each colour component is stored in a 16-bit word, with 6
-unused high bits filled with zeros. Each n-pixel row contains n/2 green samples
-and n/2 blue or red samples, with alternating red and blue rows. Bytes are
-stored in memory in little endian order. They are conventionally described
-as GRGR... BGBG..., RGRG... GBGB..., etc. Below is an example of one of these
-formats</para>
-
- <example>
- <title><constant>V4L2_PIX_FMT_SBGGR12</constant> 4 &times; 4
-pixel image</title>
-
- <formalpara>
- <title>Byte Order.</title>
- <para>Each cell is one byte, high 6 bits in high bytes are 0.
- <informaltable frame="none">
- <tgroup cols="5" align="center">
- <colspec align="left" colwidth="2*" />
- <tbody valign="top">
- <row>
- <entry>start&nbsp;+&nbsp;0:</entry>
- <entry>B<subscript>00low</subscript></entry>
- <entry>B<subscript>00high</subscript></entry>
- <entry>G<subscript>01low</subscript></entry>
- <entry>G<subscript>01high</subscript></entry>
- <entry>B<subscript>02low</subscript></entry>
- <entry>B<subscript>02high</subscript></entry>
- <entry>G<subscript>03low</subscript></entry>
- <entry>G<subscript>03high</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;8:</entry>
- <entry>G<subscript>10low</subscript></entry>
- <entry>G<subscript>10high</subscript></entry>
- <entry>R<subscript>11low</subscript></entry>
- <entry>R<subscript>11high</subscript></entry>
- <entry>G<subscript>12low</subscript></entry>
- <entry>G<subscript>12high</subscript></entry>
- <entry>R<subscript>13low</subscript></entry>
- <entry>R<subscript>13high</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;16:</entry>
- <entry>B<subscript>20low</subscript></entry>
- <entry>B<subscript>20high</subscript></entry>
- <entry>G<subscript>21low</subscript></entry>
- <entry>G<subscript>21high</subscript></entry>
- <entry>B<subscript>22low</subscript></entry>
- <entry>B<subscript>22high</subscript></entry>
- <entry>G<subscript>23low</subscript></entry>
- <entry>G<subscript>23high</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;24:</entry>
- <entry>G<subscript>30low</subscript></entry>
- <entry>G<subscript>30high</subscript></entry>
- <entry>R<subscript>31low</subscript></entry>
- <entry>R<subscript>31high</subscript></entry>
- <entry>G<subscript>32low</subscript></entry>
- <entry>G<subscript>32high</subscript></entry>
- <entry>R<subscript>33low</subscript></entry>
- <entry>R<subscript>33high</subscript></entry>
- </row>
- </tbody>
- </tgroup>
- </informaltable>
- </para>
- </formalpara>
- </example>
- </refsect1>
-</refentry>