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Message-ID: <20160715122845.7f357277@recife.lan> Date: Fri, 15 Jul 2016 12:28:45 -0300 From: Mauro Carvalho Chehab <mchehab@....samsung.com> To: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com> Cc: Hans Verkuil <hverkuil@...all.nl>, Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Antti Palosaari <crope@....fi>, Guennadi Liakhovetski <guennadi.liakhovetski@...el.com>, Helen Mae Koike Fornazier <helen.koike@...labora.co.uk>, Philipp Zabel <p.zabel@...gutronix.de>, Shuah Khan <shuahkh@....samsung.com>, linux-media@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 2/6] [media] Documentation: Add HSV format Hi Ricardo, I'm not seeing patch 1. Anyway, please send documentation patches against the rst files. They're at the "docs-next" branch and will be merged upstream on this merge window. After its merge, we'll drop the DocBook. Thanks, Mauro Em Fri, 15 Jul 2016 17:16:52 +0200 Ricardo Ribalda Delgado <ricardo.ribalda@...il.com> escreveu: > Describe the HSV formats. > > Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@...il.com> > --- > .../DocBook/media/v4l/pixfmt-packed-hsv.xml | 195 +++++++++++++++++++++ > Documentation/DocBook/media/v4l/pixfmt.xml | 13 ++ > Documentation/DocBook/media/v4l/v4l2.xml | 8 + > 3 files changed, 216 insertions(+) > create mode 100644 Documentation/DocBook/media/v4l/pixfmt-packed-hsv.xml > > diff --git a/Documentation/DocBook/media/v4l/pixfmt-packed-hsv.xml b/Documentation/DocBook/media/v4l/pixfmt-packed-hsv.xml > new file mode 100644 > index 000000000000..3b41d567e32b > --- /dev/null > +++ b/Documentation/DocBook/media/v4l/pixfmt-packed-hsv.xml > @@ -0,0 +1,195 @@ > +<refentry id="packed-hsv"> > + <refmeta> > + <refentrytitle>Packed HSV formats</refentrytitle> > + &manvol; > + </refmeta> > + <refnamediv> > + <refname>Packed HSV formats</refname> > + <refpurpose>Packed HSV formats</refpurpose> > + </refnamediv> > + <refsect1> > + <title>Description</title> > + > + <para>The HUE (h) is meassured in degrees, one LSB represents two > +degrees. The SATURATION (s) and the VALUE (v) are meassured in percentage > +of the cylinder: 0 being the smallest value and 255 the maximum.</para> > + <para>The values are packed in 24 or 32 bit formats. </para> > + > + <table pgwide="1" frame="none"> > + <title>Packed YUV Image Formats</title> > + <tgroup cols="37" align="center"> > + <colspec colname="id" align="left" /> > + <colspec colname="fourcc" /> > + <colspec colname="bit" /> > + > + <colspec colnum="4" colname="b07" align="center" /> > + <colspec colnum="5" colname="b06" align="center" /> > + <colspec colnum="6" colname="b05" align="center" /> > + <colspec colnum="7" colname="b04" align="center" /> > + <colspec colnum="8" colname="b03" align="center" /> > + <colspec colnum="9" colname="b02" align="center" /> > + <colspec colnum="10" colname="b01" align="center" /> > + <colspec colnum="11" colname="b00" align="center" /> > + > + <colspec colnum="13" colname="b17" align="center" /> > + <colspec colnum="14" colname="b16" align="center" /> > + <colspec colnum="15" colname="b15" align="center" /> > + <colspec colnum="16" colname="b14" align="center" /> > + <colspec colnum="17" colname="b13" align="center" /> > + <colspec colnum="18" colname="b12" align="center" /> > + <colspec colnum="19" colname="b11" align="center" /> > + <colspec colnum="20" colname="b10" align="center" /> > + > + <colspec colnum="22" colname="b27" align="center" /> > + <colspec colnum="23" colname="b26" align="center" /> > + <colspec colnum="24" colname="b25" align="center" /> > + <colspec colnum="25" colname="b24" align="center" /> > + <colspec colnum="26" colname="b23" align="center" /> > + <colspec colnum="27" colname="b22" align="center" /> > + <colspec colnum="28" colname="b21" align="center" /> > + <colspec colnum="29" colname="b20" align="center" /> > + > + <colspec colnum="31" colname="b37" align="center" /> > + <colspec colnum="32" colname="b36" align="center" /> > + <colspec colnum="33" colname="b35" align="center" /> > + <colspec colnum="34" colname="b34" align="center" /> > + <colspec colnum="35" colname="b33" align="center" /> > + <colspec colnum="36" colname="b32" align="center" /> > + <colspec colnum="37" colname="b31" align="center" /> > + <colspec colnum="38" colname="b30" align="center" /> > + > + <spanspec namest="b07" nameend="b00" spanname="b0" /> > + <spanspec namest="b17" nameend="b10" spanname="b1" /> > + <spanspec namest="b27" nameend="b20" spanname="b2" /> > + <spanspec namest="b37" nameend="b30" spanname="b3" /> > + <thead> > + <row> > + <entry>Identifier</entry> > + <entry>Code</entry> > + <entry> </entry> > + <entry spanname="b0">Byte 0 in memory</entry> > + <entry spanname="b1">Byte 1</entry> > + <entry spanname="b2">Byte 2</entry> > + <entry spanname="b3">Byte 3</entry> > + </row> > + <row> > + <entry> </entry> > + <entry> </entry> > + <entry>Bit</entry> > + <entry>7</entry> > + <entry>6</entry> > + <entry>5</entry> > + <entry>4</entry> > + <entry>3</entry> > + <entry>2</entry> > + <entry>1</entry> > + <entry>0</entry> > + <entry> </entry> > + <entry>7</entry> > + <entry>6</entry> > + <entry>5</entry> > + <entry>4</entry> > + <entry>3</entry> > + <entry>2</entry> > + <entry>1</entry> > + <entry>0</entry> > + <entry> </entry> > + <entry>7</entry> > + <entry>6</entry> > + <entry>5</entry> > + <entry>4</entry> > + <entry>3</entry> > + <entry>2</entry> > + <entry>1</entry> > + <entry>0</entry> > + <entry> </entry> > + <entry>7</entry> > + <entry>6</entry> > + <entry>5</entry> > + <entry>4</entry> > + <entry>3</entry> > + <entry>2</entry> > + <entry>1</entry> > + <entry>0</entry> > + </row> > + </thead> > + <tbody valign="top"> > + <row id="V4L2-PIX-FMT-HSV32"> > + <entry><constant>V4L2_PIX_FMT_HSV32</constant></entry> > + <entry>'HSV4'</entry> > + <entry></entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry>-</entry> > + <entry></entry> > + <entry>h<subscript>7</subscript></entry> > + <entry>h<subscript>6</subscript></entry> > + <entry>h<subscript>5</subscript></entry> > + <entry>h<subscript>4</subscript></entry> > + <entry>h<subscript>3</subscript></entry> > + <entry>h<subscript>2</subscript></entry> > + <entry>h<subscript>1</subscript></entry> > + <entry>h<subscript>0</subscript></entry> > + <entry></entry> > + <entry>s<subscript>7</subscript></entry> > + <entry>s<subscript>6</subscript></entry> > + <entry>s<subscript>5</subscript></entry> > + <entry>s<subscript>4</subscript></entry> > + <entry>s<subscript>3</subscript></entry> > + <entry>s<subscript>2</subscript></entry> > + <entry>s<subscript>1</subscript></entry> > + <entry>s<subscript>0</subscript></entry> > + <entry></entry> > + <entry>v<subscript>7</subscript></entry> > + <entry>v<subscript>6</subscript></entry> > + <entry>v<subscript>5</subscript></entry> > + <entry>v<subscript>4</subscript></entry> > + <entry>v<subscript>3</subscript></entry> > + <entry>v<subscript>2</subscript></entry> > + <entry>v<subscript>1</subscript></entry> > + <entry>v<subscript>0</subscript></entry> > + </row> > + <row id="V4L2-PIX-FMT-HSV24"> > + <entry><constant>V4L2_PIX_FMT_HSV24</constant></entry> > + <entry>'HSV3'</entry> > + <entry></entry> > + <entry>h<subscript>7</subscript></entry> > + <entry>h<subscript>6</subscript></entry> > + <entry>h<subscript>5</subscript></entry> > + <entry>h<subscript>4</subscript></entry> > + <entry>h<subscript>3</subscript></entry> > + <entry>h<subscript>2</subscript></entry> > + <entry>h<subscript>1</subscript></entry> > + <entry>h<subscript>0</subscript></entry> > + <entry></entry> > + <entry>s<subscript>7</subscript></entry> > + <entry>s<subscript>6</subscript></entry> > + <entry>s<subscript>5</subscript></entry> > + <entry>s<subscript>4</subscript></entry> > + <entry>s<subscript>3</subscript></entry> > + <entry>s<subscript>2</subscript></entry> > + <entry>s<subscript>1</subscript></entry> > + <entry>s<subscript>0</subscript></entry> > + <entry></entry> > + <entry>v<subscript>7</subscript></entry> > + <entry>v<subscript>6</subscript></entry> > + <entry>v<subscript>5</subscript></entry> > + <entry>v<subscript>4</subscript></entry> > + <entry>v<subscript>3</subscript></entry> > + <entry>v<subscript>2</subscript></entry> > + <entry>v<subscript>1</subscript></entry> > + <entry>v<subscript>0</subscript></entry> > + </row> > + </tbody> > + </tgroup> > + </table> > + > + <para>Bit 7 is the most significant bit.</para> > + > + </refsect1> > + </refentry> > diff --git a/Documentation/DocBook/media/v4l/pixfmt.xml b/Documentation/DocBook/media/v4l/pixfmt.xml > index 5a08aeea4360..7b081a6bdc61 100644 > --- a/Documentation/DocBook/media/v4l/pixfmt.xml > +++ b/Documentation/DocBook/media/v4l/pixfmt.xml > @@ -1740,6 +1740,19 @@ extended control <constant>V4L2_CID_MPEG_STREAM_TYPE</constant>, see > </table> > </section> > > + <section id="hsv-formats"> > + <title>HSV Formats</title> > + > + <para> These formats store the color information of the image > +in a geometrical representation. The colors are mapped into a > +cylinder, where the angle is the HUE, the height is the VALUE > +and the distance to the center is the SATURATION. This is a very > +useful format for image segmentation algorithms. </para> > + > + &packed-hsv; > + > + </section> > + > <section id="sdr-formats"> > <title>SDR Formats</title> > > diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml > index 42e626d6c936..f38039b7c338 100644 > --- a/Documentation/DocBook/media/v4l/v4l2.xml > +++ b/Documentation/DocBook/media/v4l/v4l2.xml > @@ -152,6 +152,14 @@ structs, ioctls) must be noted in more detail in the history chapter > (compat.xml), along with the possible impact on existing drivers and > applications. --> > <revision> > + <revnumber>4.8</revnumber> > + <date>2016-07-15</date> > + <authorinitials>rr</authorinitials> > + <revremark> Introduce HSV formats. > + </revremark> > + </revision> > + > + <revision> > <revnumber>4.5</revnumber> > <date>2015-10-29</date> > <authorinitials>rr</authorinitials> -- Thanks, Mauro
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