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Diffstat (limited to 'Documentation/DocBook/v4l/pixfmt-yuv422p.xml')
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diff --git a/Documentation/DocBook/v4l/pixfmt-yuv422p.xml b/Documentation/DocBook/v4l/pixfmt-yuv422p.xml deleted file mode 100644 index 4348bd9f0d01..000000000000 --- a/Documentation/DocBook/v4l/pixfmt-yuv422p.xml +++ /dev/null @@ -1,161 +0,0 @@ - <refentry id="V4L2-PIX-FMT-YUV422P"> - <refmeta> - <refentrytitle>V4L2_PIX_FMT_YUV422P ('422P')</refentrytitle> - &manvol; - </refmeta> - <refnamediv> - <refname><constant>V4L2_PIX_FMT_YUV422P</constant></refname> - <refpurpose>Format with ½ horizontal chroma resolution, -also known as YUV 4:2:2. Planar layout as opposed to -<constant>V4L2_PIX_FMT_YUYV</constant></refpurpose> - </refnamediv> - <refsect1> - <title>Description</title> - - <para>This format is not commonly used. This is a planar -version of the YUYV format. The three components are separated into -three sub-images or planes. The Y plane is first. The Y plane has one -byte per pixel. The Cb plane immediately follows the Y plane in -memory. The Cb plane is half the width of the Y plane (and of the -image). Each Cb belongs to two pixels. For example, -Cb<subscript>0</subscript> belongs to Y'<subscript>00</subscript>, -Y'<subscript>01</subscript>. Following the Cb plane is the Cr plane, -just like the Cb plane.</para> - - <para>If the Y plane has pad bytes after each row, then the Cr -and Cb planes have half as many pad bytes after their rows. In other -words, two Cx rows (including padding) is exactly as long as one Y row -(including padding).</para> - - <example> - <title><constant>V4L2_PIX_FMT_YUV422P</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> - <row> - <entry>start + 16:</entry> - <entry>Cb<subscript>00</subscript></entry> - <entry>Cb<subscript>01</subscript></entry> - </row> - <row> - <entry>start + 18:</entry> - <entry>Cb<subscript>10</subscript></entry> - <entry>Cb<subscript>11</subscript></entry> - </row> - <row> - <entry>start + 20:</entry> - <entry>Cb<subscript>20</subscript></entry> - <entry>Cb<subscript>21</subscript></entry> - </row> - <row> - <entry>start + 22:</entry> - <entry>Cb<subscript>30</subscript></entry> - <entry>Cb<subscript>31</subscript></entry> - </row> - <row> - <entry>start + 24:</entry> - <entry>Cr<subscript>00</subscript></entry> - <entry>Cr<subscript>01</subscript></entry> - </row> - <row> - <entry>start + 26:</entry> - <entry>Cr<subscript>10</subscript></entry> - <entry>Cr<subscript>11</subscript></entry> - </row> - <row> - <entry>start + 28:</entry> - <entry>Cr<subscript>20</subscript></entry> - <entry>Cr<subscript>21</subscript></entry> - </row> - <row> - <entry>start + 30:</entry> - <entry>Cr<subscript>30</subscript></entry> - <entry>Cr<subscript>31</subscript></entry> - </row> - </tbody> - </tgroup> - </informaltable> - </para> - </formalpara> - - <formalpara> - <title>Color Sample Location.</title> - <para> - <informaltable frame="none"> - <tgroup cols="7" align="center"> - <tbody valign="top"> - <row> - <entry></entry> - <entry>0</entry><entry></entry><entry>1</entry><entry></entry> - <entry>2</entry><entry></entry><entry>3</entry> - </row> - <row> - <entry>0</entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry> - </row> - <row> - <entry>1</entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry> - </row> - <row> - <entry>2</entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry> - </row> - <row> - <entry>3</entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry>C</entry><entry>Y</entry> - </row> - </tbody> - </tgroup> - </informaltable> - </para> - </formalpara> - </example> - </refsect1> - </refentry> - - <!-- -Local Variables: -mode: sgml -sgml-parent-document: "pixfmt.sgml" -indent-tabs-mode: nil -End: - --> |