diff options
| author | Sylwester Nawrocki <s.nawrocki@samsung.com> | 2011-03-25 12:09:43 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-20 11:28:49 -0300 |
| commit | 16846524afc200e795aaae659356001780fa91db (patch) | |
| tree | 8f5a02df46cfb3c1c1ddc5ea0e239eeca3a938c6 | |
| parent | f1703aa6abfc884b144cdd374633efdca5028bf7 (diff) | |
[media] v4l: Add V4L2_MBUS_FMT_JPEG_1X8 media bus format
Add V4L2_MBUS_FMT_JPEG_1X8 format and the corresponding Docbook
documentation.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | Documentation/DocBook/v4l/subdev-formats.xml | 46 | ||||
| -rw-r--r-- | include/linux/v4l2-mediabus.h | 3 |
2 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/subdev-formats.xml b/Documentation/DocBook/v4l/subdev-formats.xml index d7ccd25edcc..a26b10c0785 100644 --- a/Documentation/DocBook/v4l/subdev-formats.xml +++ b/Documentation/DocBook/v4l/subdev-formats.xml @@ -2522,5 +2522,51 @@ </tgroup> </table> </section> + + <section> + <title>JPEG Compressed Formats</title> + + <para>Those data formats consist of an ordered sequence of 8-bit bytes + obtained from JPEG compression process. Additionally to the + <constant>_JPEG</constant> prefix the format code is made of + the following information. + <itemizedlist> + <listitem>The number of bus samples per entropy encoded byte.</listitem> + <listitem>The bus width.</listitem> + </itemizedlist> + + <para>For instance, for a JPEG baseline process and an 8-bit bus width + the format will be named <constant>V4L2_MBUS_FMT_JPEG_1X8</constant>. + </para> + </para> + + <para>The following table lists existing JPEG compressed formats.</para> + + <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-jpeg"> + <title>JPEG Formats</title> + <tgroup cols="3"> + <colspec colname="id" align="left" /> + <colspec colname="code" align="left"/> + <colspec colname="remarks" align="left"/> + <thead> + <row> + <entry>Identifier</entry> + <entry>Code</entry> + <entry>Remarks</entry> + </row> + </thead> + <tbody valign="top"> + <row id="V4L2-MBUS-FMT-JPEG-1X8"> + <entry>V4L2_MBUS_FMT_JPEG_1X8</entry> + <entry>0x4001</entry> + <entry>Besides of its usage for the parallel bus this format is + recommended for transmission of JPEG data over MIPI CSI bus + using the User Defined 8-bit Data types. + </entry> + </row> + </tbody> + </tgroup> + </table> + </section> </section> </section> diff --git a/include/linux/v4l2-mediabus.h b/include/linux/v4l2-mediabus.h index de5c1592102..5ea7f753a34 100644 --- a/include/linux/v4l2-mediabus.h +++ b/include/linux/v4l2-mediabus.h @@ -89,6 +89,9 @@ enum v4l2_mbus_pixelcode { V4L2_MBUS_FMT_SGBRG12_1X12 = 0x3010, V4L2_MBUS_FMT_SGRBG12_1X12 = 0x3011, V4L2_MBUS_FMT_SRGGB12_1X12 = 0x3012, + + /* JPEG compressed formats - next is 0x4002 */ + V4L2_MBUS_FMT_JPEG_1X8 = 0x4001, }; /** |