Document V4L2_SDR_FMT_RU12LE format. It is real unsigned 12-bit little endian sample inside 16-bit space. Used by software defined radio devices. Signed-off-by: Antti Palosaari <crope@xxxxxx> --- .../DocBook/media/v4l/pixfmt-sdr-ru12le.xml | 40 ++++++++++++++++++++++ Documentation/DocBook/media/v4l/pixfmt.xml | 1 + 2 files changed, 41 insertions(+) create mode 100644 Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml diff --git a/Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml b/Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml new file mode 100644 index 0000000..3df076b --- /dev/null +++ b/Documentation/DocBook/media/v4l/pixfmt-sdr-ru12le.xml @@ -0,0 +1,40 @@ +<refentry id="V4L2-SDR-FMT-RU12LE"> + <refmeta> + <refentrytitle>V4L2_SDR_FMT_RU12LE ('RU12')</refentrytitle> + &manvol; + </refmeta> + <refnamediv> + <refname> + <constant>V4L2_SDR_FMT_RU12LE</constant> + </refname> + <refpurpose>Real unsigned 12-bit little endian sample</refpurpose> + </refnamediv> + <refsect1> + <title>Description</title> + <para> +This format contains sequence of real number samples. Each sample is +represented as a 12 bit unsigned little endian number. Sample is stored +in 16 bit space with unused high bits padded with 0. + </para> + <example> + <title><constant>V4L2_SDR_FMT_RU12LE</constant> 1 sample</title> + <formalpara> + <title>Byte Order.</title> + <para>Each cell is one byte. + <informaltable frame="none"> + <tgroup cols="3" align="center"> + <colspec align="left" colwidth="2*" /> + <tbody valign="top"> + <row> + <entry>start + 0:</entry> + <entry>I'<subscript>0[7:0]</subscript></entry> + <entry>I'<subscript>0[11:8]</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 91dcbc8..3e124aa 100644 --- a/Documentation/DocBook/media/v4l/pixfmt.xml +++ b/Documentation/DocBook/media/v4l/pixfmt.xml @@ -828,6 +828,7 @@ interface only.</para> &sub-sdr-cu08; &sub-sdr-cu16le; + &sub-sdr-ru12le; </section> -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html