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Diffstat (limited to 'Documentation/DocBook/media/v4l/pixfmt-nv16m.xml')
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diff --git a/Documentation/DocBook/media/v4l/pixfmt-nv16m.xml b/Documentation/DocBook/media/v4l/pixfmt-nv16m.xml deleted file mode 100644 index fb2b5e35d665..000000000000 --- a/Documentation/DocBook/media/v4l/pixfmt-nv16m.xml +++ /dev/null @@ -1,170 +0,0 @@ - <refentry> - <refmeta> - <refentrytitle>V4L2_PIX_FMT_NV16M ('NM16'), V4L2_PIX_FMT_NV61M ('NM61')</refentrytitle> - &manvol; - </refmeta> - <refnamediv> - <refname id="V4L2-PIX-FMT-NV16M"><constant>V4L2_PIX_FMT_NV16M</constant></refname> - <refname id="V4L2-PIX-FMT-NV61M"><constant>V4L2_PIX_FMT_NV61M</constant></refname> - <refpurpose>Variation of <constant>V4L2_PIX_FMT_NV16</constant> and <constant>V4L2_PIX_FMT_NV61</constant> with planes - non contiguous in memory. </refpurpose> - </refnamediv> - <refsect1> - <title>Description</title> - - <para>This is a multi-planar, two-plane version of the YUV 4:2:2 format. -The three components are separated into two sub-images or planes. -<constant>V4L2_PIX_FMT_NV16M</constant> differs from <constant>V4L2_PIX_FMT_NV16 -</constant> in that the two planes are non-contiguous in memory, i.e. the chroma -plane does not necessarily immediately follow the luma plane. -The luminance data occupies the first plane. The Y plane has one byte per pixel. -In the second plane there is chrominance data with alternating chroma samples. -The CbCr plane is the same width and height, in bytes, as the Y plane. -Each CbCr pair belongs to two pixels. For example, -Cb<subscript>0</subscript>/Cr<subscript>0</subscript> belongs to -Y'<subscript>00</subscript>, Y'<subscript>01</subscript>. -<constant>V4L2_PIX_FMT_NV61M</constant> is the same as <constant>V4L2_PIX_FMT_NV16M</constant> -except the Cb and Cr bytes are swapped, the CrCb plane starts with a Cr byte.</para> - - <para><constant>V4L2_PIX_FMT_NV16M</constant> and -<constant>V4L2_PIX_FMT_NV61M</constant> are intended to be used only in drivers -and applications that support the multi-planar API, described in -<xref linkend="planar-apis"/>. </para> - - <example> - <title><constant>V4L2_PIX_FMT_NV16M</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>start0 + 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>start0 + 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>start0 + 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>start0 + 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></entry> - </row> - <row> - <entry>start1 + 0:</entry> - <entry>Cb<subscript>00</subscript></entry> - <entry>Cr<subscript>00</subscript></entry> - <entry>Cb<subscript>02</subscript></entry> - <entry>Cr<subscript>02</subscript></entry> - </row> - <row> - <entry>start1 + 4:</entry> - <entry>Cb<subscript>10</subscript></entry> - <entry>Cr<subscript>10</subscript></entry> - <entry>Cb<subscript>12</subscript></entry> - <entry>Cr<subscript>12</subscript></entry> - </row> - <row> - <entry>start1 + 8:</entry> - <entry>Cb<subscript>20</subscript></entry> - <entry>Cr<subscript>20</subscript></entry> - <entry>Cb<subscript>22</subscript></entry> - <entry>Cr<subscript>22</subscript></entry> - </row> - <row> - <entry>start1 + 12:</entry> - <entry>Cb<subscript>30</subscript></entry> - <entry>Cr<subscript>30</subscript></entry> - <entry>Cb<subscript>32</subscript></entry> - <entry>Cr<subscript>32</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></entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry></entry><entry>Y</entry> - </row> - <row> - <entry></entry> - <entry></entry><entry>C</entry><entry></entry><entry></entry> - <entry></entry><entry>C</entry><entry></entry> - </row> - <row> - <entry>1</entry> - <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry></entry><entry>Y</entry> - </row> - <row> - <entry></entry> - <entry></entry><entry>C</entry><entry></entry><entry></entry> - <entry></entry><entry>C</entry><entry></entry> - </row> - <row> - <entry></entry> - </row> - <row> - <entry>2</entry> - <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry></entry><entry>Y</entry> - </row> - <row> - <entry></entry> - <entry></entry><entry>C</entry><entry></entry><entry></entry> - <entry></entry><entry>C</entry><entry></entry> - </row> - <row> - <entry>3</entry> - <entry>Y</entry><entry></entry><entry>Y</entry><entry></entry> - <entry>Y</entry><entry></entry><entry>Y</entry> - </row> - <row> - <entry></entry> - <entry></entry><entry>C</entry><entry></entry><entry></entry> - <entry></entry><entry>C</entry><entry></entry> - </row> - </tbody> - </tgroup> - </informaltable> - </para> - </formalpara> - </example> - </refsect1> - </refentry> |