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| author | Antti Palosaari <crope@iki.fi> | 2014-01-31 03:44:59 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-13 14:26:45 +0100 |
| commit | 0a670c42f26de8e65f4e61130bfb84ae1488d8c9 (patch) | |
| tree | 39be513d7b4f1f23159e35440f877ce92f20c978 /Documentation/DocBook | |
| parent | [media] DocBook: media: add some general info about RF tuners (diff) | |
| download | linux-0a670c42f26de8e65f4e61130bfb84ae1488d8c9.tar.xz linux-0a670c42f26de8e65f4e61130bfb84ae1488d8c9.zip | |
[media] DocBook: V4L: add V4L2_SDR_FMT_CU8 - 'CU08'
Document V4L2_SDR_FMT_CU8 SDR format.
It is complex unsigned 8-bit IQ sample. Used by software defined
radio devices.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'Documentation/DocBook')
| -rw-r--r-- | Documentation/DocBook/media/v4l/pixfmt-sdr-cu08.xml | 44 | ||||
| -rw-r--r-- | Documentation/DocBook/media/v4l/pixfmt.xml | 2 |
2 files changed, 46 insertions, 0 deletions
diff --git a/Documentation/DocBook/media/v4l/pixfmt-sdr-cu08.xml b/Documentation/DocBook/media/v4l/pixfmt-sdr-cu08.xml new file mode 100644 index 000000000000..2d80104c178b --- /dev/null +++ b/Documentation/DocBook/media/v4l/pixfmt-sdr-cu08.xml @@ -0,0 +1,44 @@ +<refentry id="V4L2-SDR-FMT-CU08"> + <refmeta> + <refentrytitle>V4L2_SDR_FMT_CU8 ('CU08')</refentrytitle> + &manvol; + </refmeta> + <refnamediv> + <refname> + <constant>V4L2_SDR_FMT_CU8</constant> + </refname> + <refpurpose>Complex unsigned 8-bit IQ sample</refpurpose> + </refnamediv> + <refsect1> + <title>Description</title> + <para> +This format contains sequence of complex number samples. Each complex number +consist two parts, called In-phase and Quadrature (IQ). Both I and Q are +represented as a 8 bit unsigned number. I value comes first and Q value after +that. + </para> + <example> + <title><constant>V4L2_SDR_FMT_CU8</constant> 1 sample</title> + <formalpara> + <title>Byte Order.</title> + <para>Each cell is one byte. + <informaltable frame="none"> + <tgroup cols="2" align="center"> + <colspec align="left" colwidth="2*" /> + <tbody valign="top"> + <row> + <entry>start + 0:</entry> + <entry>I'<subscript>0</subscript></entry> + </row> + <row> + <entry>start + 1:</entry> + <entry>Q'<subscript>0</subscript></entry> + </row> + </tbody> + </tgroup> + </informaltable> + </para> + </formalpara> + </example> + </refsect1> +</refentry> diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml index f586d3441b96..40adcb87da60 100644 --- a/Documentation/DocBook/media/v4l/pixfmt.xml +++ b/Documentation/DocBook/media/v4l/pixfmt.xml @@ -817,6 +817,8 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see <para>These formats are used for <link linkend="sdr">SDR Capture</link> interface only.</para> + &sub-sdr-cu08; + </section> <section id="pixfmt-reserved"> |