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These formats are just like 10-bit raw bayer formats that exist already, but the pixels are not padded to byte boundaries. Instead, the eight high order bits of four consecutive pixels are stored in four bytes, followed by a byte of two low order bits of each of the four pixels. Signed-off-by: Aviv Greenberg <aviv.d.greenberg@intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
100 lines
3.6 KiB
XML
100 lines
3.6 KiB
XML
<refentry id="pixfmt-srggb10p">
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<refmeta>
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<refentrytitle>V4L2_PIX_FMT_SRGGB10P ('pRAA'),
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V4L2_PIX_FMT_SGRBG10P ('pgAA'),
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V4L2_PIX_FMT_SGBRG10P ('pGAA'),
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V4L2_PIX_FMT_SBGGR10P ('pBAA'),
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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-SRGGB10P"><constant>V4L2_PIX_FMT_SRGGB10P</constant></refname>
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<refname id="V4L2-PIX-FMT-SGRBG10P"><constant>V4L2_PIX_FMT_SGRBG10P</constant></refname>
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<refname id="V4L2-PIX-FMT-SGBRG10P"><constant>V4L2_PIX_FMT_SGBRG10P</constant></refname>
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<refname id="V4L2-PIX-FMT-SBGGR10P"><constant>V4L2_PIX_FMT_SBGGR10P</constant></refname>
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<refpurpose>10-bit packed Bayer formats</refpurpose>
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</refnamediv>
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<refsect1>
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<title>Description</title>
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<para>These four pixel formats are packed raw sRGB /
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Bayer formats with 10 bits per colour. Every four consecutive
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colour components are packed into 5 bytes. Each of the first 4
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bytes contain the 8 high order bits of the pixels, and the
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fifth byte contains the two least significants bits of each
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pixel, in the same order.</para>
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<para>Each n-pixel row contains n/2 green samples and n/2 blue
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or red samples, with alternating green-red and green-blue
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rows. They are conventionally described as GRGR... BGBG...,
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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_SBGGR10P</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.
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<informaltable frame="topbot" colsep="1" rowsep="1">
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<tgroup cols="5" align="center" border="1">
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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>00high</subscript></entry>
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<entry>G<subscript>01high</subscript></entry>
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<entry>B<subscript>02high</subscript></entry>
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<entry>G<subscript>03high</subscript></entry>
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<entry>B<subscript>00low</subscript>(bits 7--6)
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G<subscript>01low</subscript>(bits 5--4)
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B<subscript>02low</subscript>(bits 3--2)
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G<subscript>03low</subscript>(bits 1--0)
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</entry>
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</row>
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<row>
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<entry>start + 5:</entry>
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<entry>G<subscript>10high</subscript></entry>
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<entry>R<subscript>11high</subscript></entry>
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<entry>G<subscript>12high</subscript></entry>
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<entry>R<subscript>13high</subscript></entry>
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<entry>G<subscript>10low</subscript>(bits 7--6)
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R<subscript>11low</subscript>(bits 5--4)
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G<subscript>12low</subscript>(bits 3--2)
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R<subscript>13low</subscript>(bits 1--0)
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</entry>
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</row>
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<row>
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<entry>start + 10:</entry>
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<entry>B<subscript>20high</subscript></entry>
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<entry>G<subscript>21high</subscript></entry>
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<entry>B<subscript>22high</subscript></entry>
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<entry>G<subscript>23high</subscript></entry>
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<entry>B<subscript>20low</subscript>(bits 7--6)
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G<subscript>21low</subscript>(bits 5--4)
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B<subscript>22low</subscript>(bits 3--2)
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G<subscript>23low</subscript>(bits 1--0)
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</entry>
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</row>
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<row>
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<entry>start + 15:</entry>
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<entry>G<subscript>30high</subscript></entry>
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<entry>R<subscript>31high</subscript></entry>
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<entry>G<subscript>32high</subscript></entry>
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<entry>R<subscript>33high</subscript></entry>
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<entry>G<subscript>30low</subscript>(bits 7--6)
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R<subscript>31low</subscript>(bits 5--4)
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G<subscript>32low</subscript>(bits 3--2)
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R<subscript>33low</subscript>(bits 1--0)
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</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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