* [patch] add planar YUV 4:4:4 format
@ 2009-03-26 14:30 Daniel Glöckner
2009-03-26 15:05 ` [patch] add documentation for " Daniel Glöckner
0 siblings, 1 reply; 3+ messages in thread
From: Daniel Glöckner @ 2009-03-26 14:30 UTC (permalink / raw)
To: Mauro Carvalho Chehab; +Cc: linux-media, Daniel Glöckner
Add YUV 4:4:4 planar format to list of fourcc codes supported.
Signed-off-by: Daniel Glöckner <dg@emlix.com>
---
include/linux/videodev2.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 5571dbe..6ecdc96 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -294,6 +294,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_YUYV v4l2_fourcc('Y', 'U', 'Y', 'V') /* 16 YUV 4:2:2 */
#define V4L2_PIX_FMT_UYVY v4l2_fourcc('U', 'Y', 'V', 'Y') /* 16 YUV 4:2:2 */
#define V4L2_PIX_FMT_VYUY v4l2_fourcc('V', 'Y', 'U', 'Y') /* 16 YUV 4:2:2 */
+#define V4L2_PIX_FMT_YUV444P v4l2_fourcc('4', '4', '4', 'P') /* 24 YUV444 planar */
#define V4L2_PIX_FMT_YUV422P v4l2_fourcc('4', '2', '2', 'P') /* 16 YVU422 planar */
#define V4L2_PIX_FMT_YUV411P v4l2_fourcc('4', '1', '1', 'P') /* 16 YVU411 planar */
#define V4L2_PIX_FMT_Y41P v4l2_fourcc('Y', '4', '1', 'P') /* 12 YUV 4:1:1 */
--
1.6.2.107.ge47ee
^ permalink raw reply related [flat|nested] 3+ messages in thread* [patch] add documentation for planar YUV 4:4:4 format
2009-03-26 14:30 [patch] add planar YUV 4:4:4 format Daniel Glöckner
@ 2009-03-26 15:05 ` Daniel Glöckner
2009-03-26 22:32 ` Andy Walls
0 siblings, 1 reply; 3+ messages in thread
From: Daniel Glöckner @ 2009-03-26 15:05 UTC (permalink / raw)
To: Mauro Carvalho Chehab; +Cc: linux-media
This patch adds the planar YUV 4:4:4 format to the v4l2 specification.
Signed-off-by: Daniel Glöckner <dg@emlix.com>
diff -r 55df63b82fef -r bd23aedbd597 v4l2-spec/Makefile
--- a/v4l2-spec/Makefile Thu Mar 26 09:13:40 2009 +0100
+++ b/v4l2-spec/Makefile Thu Mar 26 14:06:09 2009 +0100
@@ -48,6 +48,7 @@
pixfmt-yuv411p.sgml \
pixfmt-yuv420.sgml \
pixfmt-yuv422p.sgml \
+ pixfmt-yuv444p.sgml \
pixfmt-yuyv.sgml \
pixfmt-yvyu.sgml \
pixfmt.sgml \
diff -r 55df63b82fef -r bd23aedbd597 v4l2-spec/pixfmt-yuv444p.sgml
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/v4l2-spec/pixfmt-yuv444p.sgml Thu Mar 26 14:06:09 2009 +0100
@@ -0,0 +1,171 @@
+ <refentry id="V4L2-PIX-FMT-YUV444P">
+ <refmeta>
+ <refentrytitle>V4L2_PIX_FMT_YUV444P ('444P')</refentrytitle>
+ &manvol;
+ </refmeta>
+ <refnamediv>
+ <refname><constant>V4L2_PIX_FMT_YUV444P</constant></refname>
+ <refpurpose>Format with full horizontal and vertical chroma resolution,
+also known as YUV 4:4:4. Planar layout</refpurpose>
+ </refnamediv>
+ <refsect1>
+ <title>Description</title>
+
+ <para>This format is not commonly used. The three components are
+separated into three sub-images or planes. The Y plane is first. The Cb plane
+immediately follows the Y plane in memory. Following the Cb plane is the Cr
+plane. All planes have on byte per pixel.</para>
+
+ <para>If the Y plane has pad bytes after each row, then the Cr
+and Cb planes have the same number of pad bytes after their rows. In other
+words, one Cx row (including padding) is exactly as long as one Y row
+(including padding).</para>
+
+ <example>
+ <title><constant>V4L2_PIX_FMT_YUV444P</constant> 4 × 4
+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>Y'<subscript>00</subscript></entry>
+ <entry>Y'<subscript>01</subscript></entry>
+ <entry>Y'<subscript>02</subscript></entry>
+ <entry>Y'<subscript>03</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 4:</entry>
+ <entry>Y'<subscript>10</subscript></entry>
+ <entry>Y'<subscript>11</subscript></entry>
+ <entry>Y'<subscript>12</subscript></entry>
+ <entry>Y'<subscript>13</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 8:</entry>
+ <entry>Y'<subscript>20</subscript></entry>
+ <entry>Y'<subscript>21</subscript></entry>
+ <entry>Y'<subscript>22</subscript></entry>
+ <entry>Y'<subscript>23</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 12:</entry>
+ <entry>Y'<subscript>30</subscript></entry>
+ <entry>Y'<subscript>31</subscript></entry>
+ <entry>Y'<subscript>32</subscript></entry>
+ <entry>Y'<subscript>33</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 16:</entry>
+ <entry>Cb<subscript>00</subscript></entry>
+ <entry>Cb<subscript>01</subscript></entry>
+ <entry>Cb<subscript>02</subscript></entry>
+ <entry>Cb<subscript>03</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 20:</entry>
+ <entry>Cb<subscript>10</subscript></entry>
+ <entry>Cb<subscript>11</subscript></entry>
+ <entry>Cb<subscript>12</subscript></entry>
+ <entry>Cb<subscript>13</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 24:</entry>
+ <entry>Cb<subscript>20</subscript></entry>
+ <entry>Cb<subscript>21</subscript></entry>
+ <entry>Cb<subscript>22</subscript></entry>
+ <entry>Cb<subscript>23</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 28:</entry>
+ <entry>Cb<subscript>30</subscript></entry>
+ <entry>Cb<subscript>31</subscript></entry>
+ <entry>Cb<subscript>32</subscript></entry>
+ <entry>Cb<subscript>33</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 32:</entry>
+ <entry>Cr<subscript>00</subscript></entry>
+ <entry>Cr<subscript>01</subscript></entry>
+ <entry>Cr<subscript>02</subscript></entry>
+ <entry>Cr<subscript>03</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 36:</entry>
+ <entry>Cr<subscript>10</subscript></entry>
+ <entry>Cr<subscript>11</subscript></entry>
+ <entry>Cr<subscript>12</subscript></entry>
+ <entry>Cr<subscript>13</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 40:</entry>
+ <entry>Cr<subscript>20</subscript></entry>
+ <entry>Cr<subscript>21</subscript></entry>
+ <entry>Cr<subscript>22</subscript></entry>
+ <entry>Cr<subscript>23</subscript></entry>
+ </row>
+ <row>
+ <entry>start + 44:</entry>
+ <entry>Cr<subscript>30</subscript></entry>
+ <entry>Cr<subscript>31</subscript></entry>
+ <entry>Cr<subscript>32</subscript></entry>
+ <entry>Cr<subscript>33</subscript></entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ </para>
+ </formalpara>
+
+ <formalpara>
+ <title>Color Sample Location.</title>
+ <para>
+ <informaltable frame="none">
+ <tgroup cols="5" align="center">
+ <tbody valign="top">
+ <row>
+ <entry></entry>
+ <entry>0</entry><entry>1</entry>
+ <entry>2</entry><entry>3</entry>
+ </row>
+ <row>
+ <entry>0</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ </row>
+ <row>
+ <entry>1</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ </row>
+ <row>
+ <entry>2</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ </row>
+ <row>
+ <entry>3</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ <entry>Y/C</entry><entry>Y/C</entry>
+ </row>
+ </tbody>
+ </tgroup>
+ </informaltable>
+ </para>
+ </formalpara>
+ </example>
+ </refsect1>
+ </refentry>
+
+ <!--
+Local Variables:
+mode: sgml
+sgml-parent-document: "pixfmt.sgml"
+indent-tabs-mode: nil
+End:
+ -->
diff -r 55df63b82fef -r bd23aedbd597 v4l2-spec/pixfmt.sgml
--- a/v4l2-spec/pixfmt.sgml Thu Mar 26 09:13:40 2009 +0100
+++ b/v4l2-spec/pixfmt.sgml Thu Mar 26 14:06:09 2009 +0100
@@ -596,6 +596,7 @@
&sub-y41p;
&sub-yuv420;
&sub-yuv410;
+ &sub-yuv444p;
&sub-yuv422p;
&sub-yuv411p;
&sub-nv12;
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [patch] add documentation for planar YUV 4:4:4 format
2009-03-26 15:05 ` [patch] add documentation for " Daniel Glöckner
@ 2009-03-26 22:32 ` Andy Walls
0 siblings, 0 replies; 3+ messages in thread
From: Andy Walls @ 2009-03-26 22:32 UTC (permalink / raw)
To: Daniel Glöckner; +Cc: Mauro Carvalho Chehab, linux-media
On Thu, 2009-03-26 at 16:05 +0100, Daniel Glöckner wrote:
> This patch adds the planar YUV 4:4:4 format to the v4l2 specification.
>
> Signed-off-by: Daniel Glöckner <dg@emlix.com>
>
> diff -r 55df63b82fef -r bd23aedbd597 v4l2-spec/Makefile
> --- a/v4l2-spec/Makefile Thu Mar 26 09:13:40 2009 +0100
> +++ b/v4l2-spec/Makefile Thu Mar 26 14:06:09 2009 +0100
> @@ -48,6 +48,7 @@
> pixfmt-yuv411p.sgml \
> pixfmt-yuv420.sgml \
> pixfmt-yuv422p.sgml \
> + pixfmt-yuv444p.sgml \
> pixfmt-yuyv.sgml \
> pixfmt-yvyu.sgml \
> pixfmt.sgml \
> diff -r 55df63b82fef -r bd23aedbd597 v4l2-spec/pixfmt-yuv444p.sgml
> --- /dev/null Thu Jan 01 00:00:00 1970 +0000
> +++ b/v4l2-spec/pixfmt-yuv444p.sgml Thu Mar 26 14:06:09 2009 +0100
> @@ -0,0 +1,171 @@
> + <refentry id="V4L2-PIX-FMT-YUV444P">
> + <refmeta>
> + <refentrytitle>V4L2_PIX_FMT_YUV444P ('444P')</refentrytitle>
> + &manvol;
> + </refmeta>
> + <refnamediv>
> + <refname><constant>V4L2_PIX_FMT_YUV444P</constant></refname>
> + <refpurpose>Format with full horizontal and vertical chroma resolution,
> +also known as YUV 4:4:4. Planar layout</refpurpose>
> + </refnamediv>
> + <refsect1>
> + <title>Description</title>
> +
> + <para>This format is not commonly used. The three components are
> +separated into three sub-images or planes. The Y plane is first. The Cb plane
> +immediately follows the Y plane in memory. Following the Cb plane is the Cr
> +plane. All planes have on byte per pixel.</para>
s/on/one/
Regards,
Andy
> + <para>If the Y plane has pad bytes after each row, then the Cr
> +and Cb planes have the same number of pad bytes after their rows. In other
> +words, one Cx row (including padding) is exactly as long as one Y row
> +(including padding).</para>
> +
> + <example>
> + <title><constant>V4L2_PIX_FMT_YUV444P</constant> 4 × 4
> +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>Y'<subscript>00</subscript></entry>
> + <entry>Y'<subscript>01</subscript></entry>
> + <entry>Y'<subscript>02</subscript></entry>
> + <entry>Y'<subscript>03</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 4:</entry>
> + <entry>Y'<subscript>10</subscript></entry>
> + <entry>Y'<subscript>11</subscript></entry>
> + <entry>Y'<subscript>12</subscript></entry>
> + <entry>Y'<subscript>13</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 8:</entry>
> + <entry>Y'<subscript>20</subscript></entry>
> + <entry>Y'<subscript>21</subscript></entry>
> + <entry>Y'<subscript>22</subscript></entry>
> + <entry>Y'<subscript>23</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 12:</entry>
> + <entry>Y'<subscript>30</subscript></entry>
> + <entry>Y'<subscript>31</subscript></entry>
> + <entry>Y'<subscript>32</subscript></entry>
> + <entry>Y'<subscript>33</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 16:</entry>
> + <entry>Cb<subscript>00</subscript></entry>
> + <entry>Cb<subscript>01</subscript></entry>
> + <entry>Cb<subscript>02</subscript></entry>
> + <entry>Cb<subscript>03</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 20:</entry>
> + <entry>Cb<subscript>10</subscript></entry>
> + <entry>Cb<subscript>11</subscript></entry>
> + <entry>Cb<subscript>12</subscript></entry>
> + <entry>Cb<subscript>13</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 24:</entry>
> + <entry>Cb<subscript>20</subscript></entry>
> + <entry>Cb<subscript>21</subscript></entry>
> + <entry>Cb<subscript>22</subscript></entry>
> + <entry>Cb<subscript>23</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 28:</entry>
> + <entry>Cb<subscript>30</subscript></entry>
> + <entry>Cb<subscript>31</subscript></entry>
> + <entry>Cb<subscript>32</subscript></entry>
> + <entry>Cb<subscript>33</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 32:</entry>
> + <entry>Cr<subscript>00</subscript></entry>
> + <entry>Cr<subscript>01</subscript></entry>
> + <entry>Cr<subscript>02</subscript></entry>
> + <entry>Cr<subscript>03</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 36:</entry>
> + <entry>Cr<subscript>10</subscript></entry>
> + <entry>Cr<subscript>11</subscript></entry>
> + <entry>Cr<subscript>12</subscript></entry>
> + <entry>Cr<subscript>13</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 40:</entry>
> + <entry>Cr<subscript>20</subscript></entry>
> + <entry>Cr<subscript>21</subscript></entry>
> + <entry>Cr<subscript>22</subscript></entry>
> + <entry>Cr<subscript>23</subscript></entry>
> + </row>
> + <row>
> + <entry>start + 44:</entry>
> + <entry>Cr<subscript>30</subscript></entry>
> + <entry>Cr<subscript>31</subscript></entry>
> + <entry>Cr<subscript>32</subscript></entry>
> + <entry>Cr<subscript>33</subscript></entry>
> + </row>
> + </tbody>
> + </tgroup>
> + </informaltable>
> + </para>
> + </formalpara>
> +
> + <formalpara>
> + <title>Color Sample Location.</title>
> + <para>
> + <informaltable frame="none">
> + <tgroup cols="5" align="center">
> + <tbody valign="top">
> + <row>
> + <entry></entry>
> + <entry>0</entry><entry>1</entry>
> + <entry>2</entry><entry>3</entry>
> + </row>
> + <row>
> + <entry>0</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + </row>
> + <row>
> + <entry>1</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + </row>
> + <row>
> + <entry>2</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + </row>
> + <row>
> + <entry>3</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + <entry>Y/C</entry><entry>Y/C</entry>
> + </row>
> + </tbody>
> + </tgroup>
> + </informaltable>
> + </para>
> + </formalpara>
> + </example>
> + </refsect1>
> + </refentry>
> +
> + <!--
> +Local Variables:
> +mode: sgml
> +sgml-parent-document: "pixfmt.sgml"
> +indent-tabs-mode: nil
> +End:
> + -->
> diff -r 55df63b82fef -r bd23aedbd597 v4l2-spec/pixfmt.sgml
> --- a/v4l2-spec/pixfmt.sgml Thu Mar 26 09:13:40 2009 +0100
> +++ b/v4l2-spec/pixfmt.sgml Thu Mar 26 14:06:09 2009 +0100
> @@ -596,6 +596,7 @@
> &sub-y41p;
> &sub-yuv420;
> &sub-yuv410;
> + &sub-yuv444p;
> &sub-yuv422p;
> &sub-yuv411p;
> &sub-nv12;
> --
> To unsubscribe from this list: send the line "unsubscribe linux-media" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
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2009-03-26 14:30 [patch] add planar YUV 4:4:4 format Daniel Glöckner
2009-03-26 15:05 ` [patch] add documentation for " Daniel Glöckner
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