forked from Minki/linux
039aa70218
Document all four 10-bit Bayer formats, 10-bit monochrome and a missing 8-bit Bayer formats. create mode 100644 Documentation/DocBook/v4l/pixfmt-srggb10.xml create mode 100644 Documentation/DocBook/v4l/pixfmt-srggb8.xml create mode 100644 Documentation/DocBook/v4l/pixfmt-y10.xml [mchehab@redhat.com: remove duplicated symbol for V4L2-PIX-FMT-SGRBG10 and added the corresponding entries at media-entities.tmpl] Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
91 lines
3.4 KiB
XML
91 lines
3.4 KiB
XML
<refentry>
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<refmeta>
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<refentrytitle>V4L2_PIX_FMT_SRGGB10 ('RG10'),
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V4L2_PIX_FMT_SGRBG10 ('BA10'),
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V4L2_PIX_FMT_SGBRG10 ('GB10'),
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V4L2_PIX_FMT_SBGGR10 ('BG10'),
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</refentrytitle>
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&manvol;
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</refmeta>
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<refnamediv>
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<refname id="V4L2-PIX-FMT-SRGGB10"><constant>V4L2_PIX_FMT_SRGGB10</constant></refname>
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<refname id="V4L2-PIX-FMT-SGRBG10"><constant>V4L2_PIX_FMT_SGRBG10</constant></refname>
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<refname id="V4L2-PIX-FMT-SGBRG10"><constant>V4L2_PIX_FMT_SGBRG10</constant></refname>
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<refname id="V4L2-PIX-FMT-SBGGR10"><constant>V4L2_PIX_FMT_SBGGR10</constant></refname>
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<refpurpose>10-bit Bayer formats expanded to 16 bits</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<para>The following four pixel formats are raw sRGB / Bayer formats with
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10 bits per colour. Each colour component is stored in a 16-bit word, with 6
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unused high bits filled with zeros. Each n-pixel row contains n/2 green samples
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and n/2 blue or red samples, with alternating red and blue rows. Bytes are
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stored in memory in little endian order. They are conventionally described
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as GRGR... BGBG..., RGRG... GBGB..., etc. Below is an example of one of these
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formats</para>
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<example>
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<title><constant>V4L2_PIX_FMT_SBGGR10</constant> 4 × 4
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pixel image</title>
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<formalpara>
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<title>Byte Order.</title>
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<para>Each cell is one byte, high 6 bits in high bytes are 0.
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<informaltable frame="none">
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<tgroup cols="5" align="center">
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<colspec align="left" colwidth="2*" />
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<tbody valign="top">
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<row>
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<entry>start + 0:</entry>
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<entry>B<subscript>00low</subscript></entry>
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<entry>B<subscript>00high</subscript></entry>
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<entry>G<subscript>01low</subscript></entry>
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<entry>G<subscript>01high</subscript></entry>
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<entry>B<subscript>02low</subscript></entry>
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<entry>B<subscript>02high</subscript></entry>
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<entry>G<subscript>03low</subscript></entry>
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<entry>G<subscript>03high</subscript></entry>
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</row>
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<row>
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<entry>start + 8:</entry>
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<entry>G<subscript>10low</subscript></entry>
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<entry>G<subscript>10high</subscript></entry>
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<entry>R<subscript>11low</subscript></entry>
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<entry>R<subscript>11high</subscript></entry>
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<entry>G<subscript>12low</subscript></entry>
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<entry>G<subscript>12high</subscript></entry>
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<entry>R<subscript>13low</subscript></entry>
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<entry>R<subscript>13high</subscript></entry>
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</row>
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<row>
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<entry>start + 16:</entry>
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<entry>B<subscript>20low</subscript></entry>
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<entry>B<subscript>20high</subscript></entry>
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<entry>G<subscript>21low</subscript></entry>
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<entry>G<subscript>21high</subscript></entry>
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<entry>B<subscript>22low</subscript></entry>
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<entry>B<subscript>22high</subscript></entry>
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<entry>G<subscript>23low</subscript></entry>
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<entry>G<subscript>23high</subscript></entry>
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</row>
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<row>
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<entry>start + 24:</entry>
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<entry>G<subscript>30low</subscript></entry>
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<entry>G<subscript>30high</subscript></entry>
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<entry>R<subscript>31low</subscript></entry>
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<entry>R<subscript>31high</subscript></entry>
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<entry>G<subscript>32low</subscript></entry>
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<entry>G<subscript>32high</subscript></entry>
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<entry>R<subscript>33low</subscript></entry>
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<entry>R<subscript>33high</subscript></entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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</formalpara>
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</example>
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</refsect1>
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</refentry>
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