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authorMichael Jones <michael.jones@matrix-vision.de>2011-03-29 05:19:06 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-04-19 11:20:56 -0300
commitd924de09cac6e18bdfbe9461a2ab2adeb36e77b0 (patch)
tree4f82c1965937f5549324a889482bf43570e121af /Documentation
parent5a3ddcde35ecadd92d3390552d153f906b120175 (diff)
downloadop-kernel-dev-d924de09cac6e18bdfbe9461a2ab2adeb36e77b0.zip
op-kernel-dev-d924de09cac6e18bdfbe9461a2ab2adeb36e77b0.tar.gz
[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')
-rw-r--r--Documentation/DocBook/media-entities.tmpl1
-rw-r--r--Documentation/DocBook/v4l/pixfmt-y12.xml79
-rw-r--r--Documentation/DocBook/v4l/pixfmt.xml1
3 files changed, 81 insertions, 0 deletions
diff --git a/Documentation/DocBook/media-entities.tmpl b/Documentation/DocBook/media-entities.tmpl
index 5d259c6..fea63b4 100644
--- a/Documentation/DocBook/media-entities.tmpl
+++ b/Documentation/DocBook/media-entities.tmpl
@@ -294,6 +294,7 @@
<!ENTITY sub-srggb10 SYSTEM "v4l/pixfmt-srggb10.xml">
<!ENTITY sub-srggb8 SYSTEM "v4l/pixfmt-srggb8.xml">
<!ENTITY sub-y10 SYSTEM "v4l/pixfmt-y10.xml">
+<!ENTITY sub-y12 SYSTEM "v4l/pixfmt-y12.xml">
<!ENTITY sub-pixfmt SYSTEM "v4l/pixfmt.xml">
<!ENTITY sub-cropcap SYSTEM "v4l/vidioc-cropcap.xml">
<!ENTITY sub-dbg-g-register SYSTEM "v4l/vidioc-dbg-g-register.xml">
diff --git a/Documentation/DocBook/v4l/pixfmt-y12.xml b/Documentation/DocBook/v4l/pixfmt-y12.xml
new file mode 100644
index 0000000..ff417b8
--- /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 &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>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&nbsp;+&nbsp;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&nbsp;+&nbsp;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&nbsp;+&nbsp;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 c6fdcbb..40af4be 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;
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