diff options
| author | Michael Jones | 2011-03-29 05:19:06 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab | 2011-04-19 11:20:56 -0300 |
| commit | d924de09cac6e18bdfbe9461a2ab2adeb36e77b0 (patch) | |
| tree | 4f82c1965937f5549324a889482bf43570e121af /Documentation/DocBook/v4l | |
| parent | 5a3ddcde35ecadd92d3390552d153f906b120175 (diff) | |
[media] v4l: add V4L2_PIX_FMT_Y12 format
Y12 is a grey-scale format with a depth of 12 bits per pixel stored in
16-bit words.
Signed-off-by: Michael Jones <michael.jones@matrix-vision.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'Documentation/DocBook/v4l')
| -rw-r--r-- | Documentation/DocBook/v4l/pixfmt-y12.xml | 79 | ||||
| -rw-r--r-- | Documentation/DocBook/v4l/pixfmt.xml | 1 |
2 files changed, 80 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/pixfmt-y12.xml b/Documentation/DocBook/v4l/pixfmt-y12.xml new file mode 100644 index 000000000000..ff417b858cc9 --- /dev/null +++ b/Documentation/DocBook/v4l/pixfmt-y12.xml @@ -0,0 +1,79 @@ +<refentry id="V4L2-PIX-FMT-Y12"> + <refmeta> + <refentrytitle>V4L2_PIX_FMT_Y12 ('Y12 ')</refentrytitle> + &manvol; + </refmeta> + <refnamediv> + <refname><constant>V4L2_PIX_FMT_Y12</constant></refname> + <refpurpose>Grey-scale image</refpurpose> + </refnamediv> + <refsect1> + <title>Description</title> + + <para>This is a grey-scale image with a depth of 12 bits per pixel. Pixels +are stored in 16-bit words with unused high bits padded with 0. The least +significant byte is stored at lower memory addresses (little-endian).</para> + + <example> + <title><constant>V4L2_PIX_FMT_Y12</constant> 4 × 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 + 0:</entry> + <entry>Y'<subscript>00low</subscript></entry> + <entry>Y'<subscript>00high</subscript></entry> + <entry>Y'<subscript>01low</subscript></entry> + <entry>Y'<subscript>01high</subscript></entry> + <entry>Y'<subscript>02low</subscript></entry> + <entry>Y'<subscript>02high</subscript></entry> + <entry>Y'<subscript>03low</subscript></entry> + <entry>Y'<subscript>03high</subscript></entry> + </row> + <row> + <entry>start + 8:</entry> + <entry>Y'<subscript>10low</subscript></entry> + <entry>Y'<subscript>10high</subscript></entry> + <entry>Y'<subscript>11low</subscript></entry> + <entry>Y'<subscript>11high</subscript></entry> + <entry>Y'<subscript>12low</subscript></entry> + <entry>Y'<subscript>12high</subscript></entry> + <entry>Y'<subscript>13low</subscript></entry> + <entry>Y'<subscript>13high</subscript></entry> + </row> + <row> + <entry>start + 16:</entry> + <entry>Y'<subscript>20low</subscript></entry> + <entry>Y'<subscript>20high</subscript></entry> + <entry>Y'<subscript>21low</subscript></entry> + <entry>Y'<subscript>21high</subscript></entry> + <entry>Y'<subscript>22low</subscript></entry> + <entry>Y'<subscript>22high</subscript></entry> + <entry>Y'<subscript>23low</subscript></entry> + <entry>Y'<subscript>23high</subscript></entry> + </row> + <row> + <entry>start + 24:</entry> + <entry>Y'<subscript>30low</subscript></entry> + <entry>Y'<subscript>30high</subscript></entry> + <entry>Y'<subscript>31low</subscript></entry> + <entry>Y'<subscript>31high</subscript></entry> + <entry>Y'<subscript>32low</subscript></entry> + <entry>Y'<subscript>32high</subscript></entry> + <entry>Y'<subscript>33low</subscript></entry> + <entry>Y'<subscript>33high</subscript></entry> + </row> + </tbody> + </tgroup> + </informaltable> + </para> + </formalpara> + </example> + </refsect1> +</refentry> diff --git a/Documentation/DocBook/v4l/pixfmt.xml b/Documentation/DocBook/v4l/pixfmt.xml index c6fdcbbd1b41..40af4beb48b9 100644 --- a/Documentation/DocBook/v4l/pixfmt.xml +++ b/Documentation/DocBook/v4l/pixfmt.xml @@ -696,6 +696,7 @@ information.</para> &sub-packed-yuv; &sub-grey; &sub-y10; + &sub-y12; &sub-y16; &sub-yuyv; &sub-uyvy; |