| Message ID | 1342796290-18947-3-git-send-email-prabhakar.lad@ti.com (mailing list archive) |
|---|---|
| State | Awaiting Upstream |
| Headers | show |
Hi Prabhakar, Thanks for the patch. On Fri, Jul 20, 2012 at 08:28:10PM +0530, Prabhakar Lad wrote: > From: Manjunath Hadli <manjunath.hadli@ti.com> > > add new macro V4L2_PIX_FMT_SGRBG10ALAW8 and associated formats > to represent Bayer format frames compressed by A-LAW algorithm, > add V4L2_PIX_FMT_UV8 to represent storage of CbCr data (UV interleaved) > only. > > Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com> > Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com> > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Cc: Sakari Ailus <sakari.ailus@iki.fi> > Cc: Hans Verkuil <hans.verkuil@cisco.com> > Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > --- > .../DocBook/media/v4l/pixfmt-srggb10alaw8.xml | 34 +++++++++++ > Documentation/DocBook/media/v4l/pixfmt-uv8.xml | 62 ++++++++++++++++++++ > Documentation/DocBook/media/v4l/pixfmt.xml | 2 + > include/linux/videodev2.h | 8 +++ > 4 files changed, 106 insertions(+), 0 deletions(-) > create mode 100644 Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml > create mode 100644 Documentation/DocBook/media/v4l/pixfmt-uv8.xml > > diff --git a/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml b/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml > new file mode 100644 > index 0000000..61cced5 > --- /dev/null > +++ b/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml > @@ -0,0 +1,34 @@ > + <refentry> > + <refmeta> > + <refentrytitle> > + V4L2_PIX_FMT_SRGGB10ALAW8 ('aRA8'), > + V4L2_PIX_FMT_SGRBG10ALAW8 ('agA8'), > + V4L2_PIX_FMT_SGBRG10ALAW8 ('aGA8'), > + V4L2_PIX_FMT_SBGGR10ALAW8 ('aBA8'), Could you use the same order as in Documentation/video4linux/4CCs.txt ? I know it's different in some existing documentation. Regards,
Hi Sakari, On Sat, Jul 21, 2012 at 13:26:27, Sakari Ailus wrote: > Hi Prabhakar, > > Thanks for the patch. > > On Fri, Jul 20, 2012 at 08:28:10PM +0530, Prabhakar Lad wrote: > > From: Manjunath Hadli <manjunath.hadli@ti.com> > > > > add new macro V4L2_PIX_FMT_SGRBG10ALAW8 and associated formats > > to represent Bayer format frames compressed by A-LAW algorithm, > > add V4L2_PIX_FMT_UV8 to represent storage of CbCr data (UV interleaved) > > only. > > > > Signed-off-by: Manjunath Hadli <manjunath.hadli@ti.com> > > Signed-off-by: Lad, Prabhakar <prabhakar.lad@ti.com> > > Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > Cc: Sakari Ailus <sakari.ailus@iki.fi> > > Cc: Hans Verkuil <hans.verkuil@cisco.com> > > Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> > > --- > > .../DocBook/media/v4l/pixfmt-srggb10alaw8.xml | 34 +++++++++++ > > Documentation/DocBook/media/v4l/pixfmt-uv8.xml | 62 ++++++++++++++++++++ > > Documentation/DocBook/media/v4l/pixfmt.xml | 2 + > > include/linux/videodev2.h | 8 +++ > > 4 files changed, 106 insertions(+), 0 deletions(-) > > create mode 100644 Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml > > create mode 100644 Documentation/DocBook/media/v4l/pixfmt-uv8.xml > > > > diff --git a/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml b/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml > > new file mode 100644 > > index 0000000..61cced5 > > --- /dev/null > > +++ b/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml > > @@ -0,0 +1,34 @@ > > + <refentry> > > + <refmeta> > > + <refentrytitle> > > + V4L2_PIX_FMT_SRGGB10ALAW8 ('aRA8'), > > + V4L2_PIX_FMT_SGRBG10ALAW8 ('agA8'), > > + V4L2_PIX_FMT_SGBRG10ALAW8 ('aGA8'), > > + V4L2_PIX_FMT_SBGGR10ALAW8 ('aBA8'), > > Could you use the same order as in Documentation/video4linux/4CCs.txt ? I > know it's different in some existing documentation. > Ok. Thx, --Prabhakar Lad > Regards, > > -- > Sakari Ailus > e-mail: sakari.ailus@iki.fi jabber/XMPP/Gmail: sailus@retiisi.org.uk >
diff --git a/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml b/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml new file mode 100644 index 0000000..61cced5 --- /dev/null +++ b/Documentation/DocBook/media/v4l/pixfmt-srggb10alaw8.xml @@ -0,0 +1,34 @@ + <refentry> + <refmeta> + <refentrytitle> + V4L2_PIX_FMT_SRGGB10ALAW8 ('aRA8'), + V4L2_PIX_FMT_SGRBG10ALAW8 ('agA8'), + V4L2_PIX_FMT_SGBRG10ALAW8 ('aGA8'), + V4L2_PIX_FMT_SBGGR10ALAW8 ('aBA8'), + </refentrytitle> + &manvol; + </refmeta> + <refnamediv> + <refname id="V4L2-PIX-FMT-SRGGB10ALAW8"> + <constant>V4L2_PIX_FMT_SRGGB10ALAW8</constant> + </refname> + <refname id="V4L2-PIX-FMT-SGRBG10ALAW8"> + <constant>V4L2_PIX_FMT_SGRBG10ALAW8</constant> + </refname> + <refname id="V4L2-PIX-FMT-SGBRG10ALAW8"> + <constant>V4L2_PIX_FMT_SGBRG10ALAW8</constant> + </refname> + <refname id="V4L2-PIX-FMT-SBGGR10ALAW8"> + <constant>V4L2_PIX_FMT_SBGGR10ALAW8</constant> + </refname> + <refpurpose>10-bit Bayer formats compressed to 8 bits</refpurpose> + </refnamediv> + <refsect1> + <title>Description</title> + <para>The following four pixel formats are raw sRGB / Bayer + formats with 10 bits per color compressed to 8 bits each, + using the A-LAW algorithm. Each color component consumes 8 + bits of memory. In other respects this format is similar to + <xref linkend="V4L2-PIX-FMT-SRGGB8">.</xref></para> + </refsect1> + </refentry> diff --git a/Documentation/DocBook/media/v4l/pixfmt-uv8.xml b/Documentation/DocBook/media/v4l/pixfmt-uv8.xml new file mode 100644 index 0000000..c507c1f --- /dev/null +++ b/Documentation/DocBook/media/v4l/pixfmt-uv8.xml @@ -0,0 +1,62 @@ + <refentry id="V4L2-PIX-FMT-UV8"> + <refmeta> + <refentrytitle>V4L2_PIX_FMT_UV8 ('UV8')</refentrytitle> + &manvol; + </refmeta> + <refnamediv> + <refname><constant>V4L2_PIX_FMT_UV8</constant></refname> + <refpurpose>UV plane interleaved</refpurpose> + </refnamediv> + <refsect1> + <title>Description</title> + <para>In this format there is no Y plane, Only CbCr plane. ie + (UV interleaved)</para> + <example> + <title> + <constant>V4L2_PIX_FMT_UV8</constant> + pixel image + </title> + + <formalpara> + <title>Byte Order.</title> + <para>Each cell is one byte. + <informaltable frame="none"> + <tgroup cols="5" align="center"> + <colspec align="left" colwidth="2*" /> + <tbody valign="top"> + <row> + <entry>start + 0:</entry> + <entry>Cb<subscript>00</subscript></entry> + <entry>Cr<subscript>00</subscript></entry> + <entry>Cb<subscript>01</subscript></entry> + <entry>Cr<subscript>01</subscript></entry> + </row> + <row> + <entry>start + 4:</entry> + <entry>Cb<subscript>10</subscript></entry> + <entry>Cr<subscript>10</subscript></entry> + <entry>Cb<subscript>11</subscript></entry> + <entry>Cr<subscript>11</subscript></entry> + </row> + <row> + <entry>start + 8:</entry> + <entry>Cb<subscript>20</subscript></entry> + <entry>Cr<subscript>20</subscript></entry> + <entry>Cb<subscript>21</subscript></entry> + <entry>Cr<subscript>21</subscript></entry> + </row> + <row> + <entry>start + 12:</entry> + <entry>Cb<subscript>30</subscript></entry> + <entry>Cr<subscript>30</subscript></entry> + <entry>Cb<subscript>31</subscript></entry> + <entry>Cr<subscript>31</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 e58934c..930f55d 100644 --- a/Documentation/DocBook/media/v4l/pixfmt.xml +++ b/Documentation/DocBook/media/v4l/pixfmt.xml @@ -673,6 +673,7 @@ access the palette, this must be done with ioctls of the Linux framebuffer API.< &sub-srggb8; &sub-sbggr16; &sub-srggb10; + &sub-srggb10alaw8; &sub-srggb10dpcm8; &sub-srggb12; </section> @@ -701,6 +702,7 @@ information.</para> &sub-y12; &sub-y10b; &sub-y16; + &sub-uv8; &sub-yuyv; &sub-uyvy; &sub-yvyu; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 5d78910..2cdf2c1 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -329,6 +329,9 @@ struct v4l2_pix_format { /* Palette formats */ #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */ +/* Chrominance formats */ +#define V4L2_PIX_FMT_UV8 v4l2_fourcc('U', 'V', '8', ' ') /* 8 UV 4:4 */ + /* Luminance+Chrominance formats */ #define V4L2_PIX_FMT_YVU410 v4l2_fourcc('Y', 'V', 'U', '9') /* 9 YVU 4:1:0 */ #define V4L2_PIX_FMT_YVU420 v4l2_fourcc('Y', 'V', '1', '2') /* 12 YVU 4:2:0 */ @@ -378,6 +381,11 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_SGBRG12 v4l2_fourcc('G', 'B', '1', '2') /* 12 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */ #define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */ + /* 10bit raw bayer a-law compressed to 8 bits */ +#define V4L2_PIX_FMT_SBGGR10ALAW8 v4l2_fourcc('a', 'B', 'A', '8') +#define V4L2_PIX_FMT_SGBRG10ALAW8 v4l2_fourcc('a', 'G', 'A', '8') +#define V4L2_PIX_FMT_SGRBG10ALAW8 v4l2_fourcc('a', 'g', 'A', '8') +#define V4L2_PIX_FMT_SRGGB10ALAW8 v4l2_fourcc('a', 'R', 'A', '8') /* 10bit raw bayer DPCM compressed to 8 bits */ #define V4L2_PIX_FMT_SBGGR10DPCM8 v4l2_fourcc('b', 'B', 'A', '8') #define V4L2_PIX_FMT_SGBRG10DPCM8 v4l2_fourcc('b', 'G', 'A', '8')