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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-27 12:32:31 +0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-29 02:08:19 +0300
commit43f71d93a0cb342f0c918fba3f6abb7661e40ad2 (patch)
treea1dc7288bc480e7027ca1827ca4876472fa12e40 /Documentation/DocBook/media/v4l/pixfmt-nv24.xml
parentff9a082fda424257976f08fce942609f358015e0 (diff)
downloadlinux-43f71d93a0cb342f0c918fba3f6abb7661e40ad2.tar.xz
doc-rst: Remove the media docbook
Now that all media documentation was converted to Sphinx, we should get rid of the old DocBook one, as we don't want people to submit patches against the old stuff. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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diff --git a/Documentation/DocBook/media/v4l/pixfmt-nv24.xml b/Documentation/DocBook/media/v4l/pixfmt-nv24.xml
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- <refentry>
- <refmeta>
- <refentrytitle>V4L2_PIX_FMT_NV24 ('NV24'), V4L2_PIX_FMT_NV42 ('NV42')</refentrytitle>
- &manvol;
- </refmeta>
- <refnamediv>
- <refname id="V4L2-PIX-FMT-NV24"><constant>V4L2_PIX_FMT_NV24</constant></refname>
- <refname id="V4L2-PIX-FMT-NV42"><constant>V4L2_PIX_FMT_NV42</constant></refname>
- <refpurpose>Formats with full horizontal and vertical
-chroma resolutions, also known as YUV 4:4:4. One luminance and one
-chrominance plane with alternating chroma samples as opposed to
-<constant>V4L2_PIX_FMT_YVU420</constant></refpurpose>
- </refnamediv>
- <refsect1>
- <title>Description</title>
-
- <para>These are two-plane versions of the YUV 4:4:4 format. The three
- components are separated into two sub-images or planes. The Y plane is
- first, with each Y sample stored in one byte per pixel. For
- <constant>V4L2_PIX_FMT_NV24</constant>, a combined CbCr plane
- immediately follows the Y plane in memory. The CbCr plane has the same
- width and height, in pixels, as the Y plane (and the image). Each line
- contains one CbCr pair per pixel, with each Cb and Cr sample stored in
- one byte. <constant>V4L2_PIX_FMT_NV42</constant> is the same except that
- the Cb and Cr samples are swapped, the CrCb plane starts with a Cr
- sample.</para>
-
- <para>If the Y plane has pad bytes after each row, then the CbCr plane
- has twice as many pad bytes after its rows.</para>
-
- <example>
- <title><constant>V4L2_PIX_FMT_NV24</constant> 4 &times; 4
-pixel image</title>
-
- <formalpara>
- <title>Byte Order.</title>
- <para>Each cell is one byte.
- <informaltable frame="none">
- <tgroup cols="9" align="center">
- <colspec align="left" colwidth="2*" />
- <tbody valign="top">
- <row>
- <entry>start&nbsp;+&nbsp;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&nbsp;+&nbsp;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&nbsp;+&nbsp;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&nbsp;+&nbsp;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>
- <row>
- <entry>start&nbsp;+&nbsp;16:</entry>
- <entry>Cb<subscript>00</subscript></entry>
- <entry>Cr<subscript>00</subscript></entry>
- <entry>Cb<subscript>01</subscript></entry>
- <entry>Cr<subscript>01</subscript></entry>
- <entry>Cb<subscript>02</subscript></entry>
- <entry>Cr<subscript>02</subscript></entry>
- <entry>Cb<subscript>03</subscript></entry>
- <entry>Cr<subscript>03</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;24:</entry>
- <entry>Cb<subscript>10</subscript></entry>
- <entry>Cr<subscript>10</subscript></entry>
- <entry>Cb<subscript>11</subscript></entry>
- <entry>Cr<subscript>11</subscript></entry>
- <entry>Cb<subscript>12</subscript></entry>
- <entry>Cr<subscript>12</subscript></entry>
- <entry>Cb<subscript>13</subscript></entry>
- <entry>Cr<subscript>13</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;32:</entry>
- <entry>Cb<subscript>20</subscript></entry>
- <entry>Cr<subscript>20</subscript></entry>
- <entry>Cb<subscript>21</subscript></entry>
- <entry>Cr<subscript>21</subscript></entry>
- <entry>Cb<subscript>22</subscript></entry>
- <entry>Cr<subscript>22</subscript></entry>
- <entry>Cb<subscript>23</subscript></entry>
- <entry>Cr<subscript>23</subscript></entry>
- </row>
- <row>
- <entry>start&nbsp;+&nbsp;40:</entry>
- <entry>Cb<subscript>30</subscript></entry>
- <entry>Cr<subscript>30</subscript></entry>
- <entry>Cb<subscript>31</subscript></entry>
- <entry>Cr<subscript>31</subscript></entry>
- <entry>Cb<subscript>32</subscript></entry>
- <entry>Cr<subscript>32</subscript></entry>
- <entry>Cb<subscript>33</subscript></entry>
- <entry>Cr<subscript>33</subscript></entry>
- </row>
- </tbody>
- </tgroup>
- </informaltable>
- </para>
- </formalpara>
- </example>
- </refsect1>
- </refentry>