From: Hans Verkuil <hverkuil@xs4all.nl>
To: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>,
linux-media@vger.kernel.org
Cc: linux-sh@vger.kernel.org
Subject: Re: [PATCH v2 01/23] v4l: Add ARGB and XRGB pixel formats
Date: Fri, 27 Jun 2014 11:34:15 +0200 [thread overview]
Message-ID: <53AD3A97.1000800@xs4all.nl> (raw)
In-Reply-To: <1403567669-18539-2-git-send-email-laurent.pinchart+renesas@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Regards,
Hans
On 06/24/2014 01:54 AM, Laurent Pinchart wrote:
> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>
> The existing RGB pixel formats are ill-defined in respect to their alpha
> bits and their meaning is driver dependent. Create new standard ARGB and
> XRGB variants with clearly defined meanings and make the existing
> variants deprecated.
>
> The new pixel formats 4CC values have been selected to match the DRM
> 4CCs for the same in-memory formats.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
> ---
> .../DocBook/media/v4l/pixfmt-packed-rgb.xml | 415 ++++++++++++++++++++-
> include/uapi/linux/videodev2.h | 8 +
> 2 files changed, 403 insertions(+), 20 deletions(-)
>
> diff --git a/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml b/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml
> index e1c4f8b..5f1602f 100644
> --- a/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml
> +++ b/Documentation/DocBook/media/v4l/pixfmt-packed-rgb.xml
> @@ -130,9 +130,9 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
> <entry>b<subscript>1</subscript></entry>
> <entry>b<subscript>0</subscript></entry>
> </row>
> - <row id="V4L2-PIX-FMT-RGB444">
> - <entry><constant>V4L2_PIX_FMT_RGB444</constant></entry>
> - <entry>'R444'</entry>
> + <row id="V4L2-PIX-FMT-ARGB444">
> + <entry><constant>V4L2_PIX_FMT_ARGB444</constant></entry>
> + <entry>'AR12'</entry>
> <entry></entry>
> <entry>g<subscript>3</subscript></entry>
> <entry>g<subscript>2</subscript></entry>
> @@ -152,9 +152,31 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
> <entry>r<subscript>1</subscript></entry>
> <entry>r<subscript>0</subscript></entry>
> </row>
> - <row id="V4L2-PIX-FMT-RGB555">
> - <entry><constant>V4L2_PIX_FMT_RGB555</constant></entry>
> - <entry>'RGBO'</entry>
> + <row id="V4L2-PIX-FMT-XRGB444">
> + <entry><constant>V4L2_PIX_FMT_XRGB444</constant></entry>
> + <entry>'XR12'</entry>
> + <entry></entry>
> + <entry>g<subscript>3</subscript></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + </row>
> + <row id="V4L2-PIX-FMT-ARGB555">
> + <entry><constant>V4L2_PIX_FMT_ARGB555</constant></entry>
> + <entry>'AR15'</entry>
> <entry></entry>
> <entry>g<subscript>2</subscript></entry>
> <entry>g<subscript>1</subscript></entry>
> @@ -174,6 +196,28 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
> <entry>g<subscript>4</subscript></entry>
> <entry>g<subscript>3</subscript></entry>
> </row>
> + <row id="V4L2-PIX-FMT-XRGB555">
> + <entry><constant>V4L2_PIX_FMT_XRGB555</constant></entry>
> + <entry>'XR15'</entry>
> + <entry></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry>b<subscript>4</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>-</entry>
> + <entry>r<subscript>4</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + <entry>g<subscript>4</subscript></entry>
> + <entry>g<subscript>3</subscript></entry>
> + </row>
> <row id="V4L2-PIX-FMT-RGB565">
> <entry><constant>V4L2_PIX_FMT_RGB565</constant></entry>
> <entry>'RGBP'</entry>
> @@ -341,9 +385,9 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
> <entry>b<subscript>1</subscript></entry>
> <entry>b<subscript>0</subscript></entry>
> </row>
> - <row id="V4L2-PIX-FMT-BGR32">
> - <entry><constant>V4L2_PIX_FMT_BGR32</constant></entry>
> - <entry>'BGR4'</entry>
> + <row id="V4L2-PIX-FMT-ABGR32">
> + <entry><constant>V4L2_PIX_FMT_ABGR32</constant></entry>
> + <entry>'AR24'</entry>
> <entry></entry>
> <entry>b<subscript>7</subscript></entry>
> <entry>b<subscript>6</subscript></entry>
> @@ -381,9 +425,49 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
> <entry>a<subscript>1</subscript></entry>
> <entry>a<subscript>0</subscript></entry>
> </row>
> - <row id="V4L2-PIX-FMT-RGB32">
> - <entry><constant>V4L2_PIX_FMT_RGB32</constant></entry>
> - <entry>'RGB4'</entry>
> + <row id="V4L2-PIX-FMT-XBGR32">
> + <entry><constant>V4L2_PIX_FMT_XBGR32</constant></entry>
> + <entry>'XR24'</entry>
> + <entry></entry>
> + <entry>b<subscript>7</subscript></entry>
> + <entry>b<subscript>6</subscript></entry>
> + <entry>b<subscript>5</subscript></entry>
> + <entry>b<subscript>4</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>g<subscript>7</subscript></entry>
> + <entry>g<subscript>6</subscript></entry>
> + <entry>g<subscript>5</subscript></entry>
> + <entry>g<subscript>4</subscript></entry>
> + <entry>g<subscript>3</subscript></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>r<subscript>7</subscript></entry>
> + <entry>r<subscript>6</subscript></entry>
> + <entry>r<subscript>5</subscript></entry>
> + <entry>r<subscript>4</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + </row>
> + <row id="V4L2-PIX-FMT-ARGB32">
> + <entry><constant>V4L2_PIX_FMT_ARGB32</constant></entry>
> + <entry>'AX24'</entry>
> <entry></entry>
> <entry>a<subscript>7</subscript></entry>
> <entry>a<subscript>6</subscript></entry>
> @@ -421,18 +505,76 @@ colorspace <constant>V4L2_COLORSPACE_SRGB</constant>.</para>
> <entry>b<subscript>1</subscript></entry>
> <entry>b<subscript>0</subscript></entry>
> </row>
> + <row id="V4L2-PIX-FMT-XRGB32">
> + <entry><constant>V4L2_PIX_FMT_XRGB32</constant></entry>
> + <entry>'BX24'</entry>
> + <entry></entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry>-</entry>
> + <entry></entry>
> + <entry>r<subscript>7</subscript></entry>
> + <entry>r<subscript>6</subscript></entry>
> + <entry>r<subscript>5</subscript></entry>
> + <entry>r<subscript>4</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>g<subscript>7</subscript></entry>
> + <entry>g<subscript>6</subscript></entry>
> + <entry>g<subscript>5</subscript></entry>
> + <entry>g<subscript>4</subscript></entry>
> + <entry>g<subscript>3</subscript></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>b<subscript>7</subscript></entry>
> + <entry>b<subscript>6</subscript></entry>
> + <entry>b<subscript>5</subscript></entry>
> + <entry>b<subscript>4</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + </row>
> </tbody>
> </tgroup>
> </table>
>
> - <para>Bit 7 is the most significant bit. The value of the a = alpha
> -bits is undefined when reading from the driver, ignored when writing
> -to the driver, except when alpha blending has been negotiated for a
> -<link linkend="overlay">Video Overlay</link> or <link linkend="osd">
> -Video Output Overlay</link> or when the alpha component has been configured
> -for a <link linkend="capture">Video Capture</link> by means of <link
> -linkend="v4l2-alpha-component"> <constant>V4L2_CID_ALPHA_COMPONENT
> -</constant> </link> control.</para>
> + <para>Bit 7 is the most significant bit.</para>
> +
> + <para>The usage and value of the alpha bits (a) in the ARGB and ABGR formats
> + (collectively referred to as alpha formats) depend on the device type and
> + hardware operation. <link linkend="capture">Capture</link> devices
> + (including capture queues of mem-to-mem devices) fill the alpha component in
> + memory. When the device outputs an alpha channel the alpha component will
> + have a meaningful value. Otherwise, when the device doesn't output an alpha
> + channel but can set the alpha bit to a user-configurable value, the <link
> + linkend="v4l2-alpha-component"><constant>V4L2_CID_ALPHA_COMPONENT</constant>
> + </link> control is used to specify that alpha value, and the alpha component
> + of all pixels will be set to the value specified by that control. Otherwise
> + a corresponding format without an alpha component (XRGB or XBGR) must be
> + used instead of an alpha format.</para>
> +
> + <para><link linkend="output">Output</link> devices (including output queues
> + of mem-to-mem devices and <link linkend="osd">video output overlay</link>
> + devices) read the alpha component from memory. When the device processes the
> + alpha channel the alpha component must be filled with meaningful values by
> + applications. Otherwise a corresponding format without an alpha component
> + (XRGB or XBGR) must be used instead of an alpha format.</para>
> +
> + <para>The XRGB and XBGR formats contain undefined bits (-). Applications,
> + devices and drivers must ignore those bits, for both <link
> + linkend="capture">capture</link> and <link linkend="output">output</link>
> + devices.</para>
>
> <example>
> <title><constant>V4L2_PIX_FMT_BGR24</constant> 4 × 4 pixel
> @@ -512,6 +654,239 @@ image</title>
> </formalpara>
> </example>
>
> + <para>Formats defined in <xref linkend="rgb-formats-deprecated"/> are
> + deprecated and must not be used by new drivers. They are documented here for
> + reference. The meaning of their alpha bits (a) is ill-defined and
> + interpreted as in either the corresponding ARGB or XRGB format, depending on
> + the driver.</para>
> +
> + <table pgwide="1" frame="none" id="rgb-formats-deprecated">
> + <title>Deprecated Packed RGB 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>
> + <row id="V4L2-PIX-FMT-RGB444">
> + <entry><constant>V4L2_PIX_FMT_RGB444</constant></entry>
> + <entry>'R444'</entry>
> + <entry></entry>
> + <entry>g<subscript>3</subscript></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>a<subscript>3</subscript></entry>
> + <entry>a<subscript>2</subscript></entry>
> + <entry>a<subscript>1</subscript></entry>
> + <entry>a<subscript>0</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + </row>
> + <row id="V4L2-PIX-FMT-RGB555">
> + <entry><constant>V4L2_PIX_FMT_RGB555</constant></entry>
> + <entry>'RGBO'</entry>
> + <entry></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry>b<subscript>4</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>a</entry>
> + <entry>r<subscript>4</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + <entry>g<subscript>4</subscript></entry>
> + <entry>g<subscript>3</subscript></entry>
> + </row>
> + <row id="V4L2-PIX-FMT-BGR32">
> + <entry><constant>V4L2_PIX_FMT_BGR32</constant></entry>
> + <entry>'BGR4'</entry>
> + <entry></entry>
> + <entry>b<subscript>7</subscript></entry>
> + <entry>b<subscript>6</subscript></entry>
> + <entry>b<subscript>5</subscript></entry>
> + <entry>b<subscript>4</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>g<subscript>7</subscript></entry>
> + <entry>g<subscript>6</subscript></entry>
> + <entry>g<subscript>5</subscript></entry>
> + <entry>g<subscript>4</subscript></entry>
> + <entry>g<subscript>3</subscript></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>r<subscript>7</subscript></entry>
> + <entry>r<subscript>6</subscript></entry>
> + <entry>r<subscript>5</subscript></entry>
> + <entry>r<subscript>4</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>a<subscript>7</subscript></entry>
> + <entry>a<subscript>6</subscript></entry>
> + <entry>a<subscript>5</subscript></entry>
> + <entry>a<subscript>4</subscript></entry>
> + <entry>a<subscript>3</subscript></entry>
> + <entry>a<subscript>2</subscript></entry>
> + <entry>a<subscript>1</subscript></entry>
> + <entry>a<subscript>0</subscript></entry>
> + </row>
> + <row id="V4L2-PIX-FMT-RGB32">
> + <entry><constant>V4L2_PIX_FMT_RGB32</constant></entry>
> + <entry>'RGB4'</entry>
> + <entry></entry>
> + <entry>a<subscript>7</subscript></entry>
> + <entry>a<subscript>6</subscript></entry>
> + <entry>a<subscript>5</subscript></entry>
> + <entry>a<subscript>4</subscript></entry>
> + <entry>a<subscript>3</subscript></entry>
> + <entry>a<subscript>2</subscript></entry>
> + <entry>a<subscript>1</subscript></entry>
> + <entry>a<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>r<subscript>7</subscript></entry>
> + <entry>r<subscript>6</subscript></entry>
> + <entry>r<subscript>5</subscript></entry>
> + <entry>r<subscript>4</subscript></entry>
> + <entry>r<subscript>3</subscript></entry>
> + <entry>r<subscript>2</subscript></entry>
> + <entry>r<subscript>1</subscript></entry>
> + <entry>r<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>g<subscript>7</subscript></entry>
> + <entry>g<subscript>6</subscript></entry>
> + <entry>g<subscript>5</subscript></entry>
> + <entry>g<subscript>4</subscript></entry>
> + <entry>g<subscript>3</subscript></entry>
> + <entry>g<subscript>2</subscript></entry>
> + <entry>g<subscript>1</subscript></entry>
> + <entry>g<subscript>0</subscript></entry>
> + <entry></entry>
> + <entry>b<subscript>7</subscript></entry>
> + <entry>b<subscript>6</subscript></entry>
> + <entry>b<subscript>5</subscript></entry>
> + <entry>b<subscript>4</subscript></entry>
> + <entry>b<subscript>3</subscript></entry>
> + <entry>b<subscript>2</subscript></entry>
> + <entry>b<subscript>1</subscript></entry>
> + <entry>b<subscript>0</subscript></entry>
> + </row>
> + </tbody>
> + </tgroup>
> + </table>
> +
> <para>A test utility to determine which RGB formats a driver
> actually supports is available from the LinuxTV v4l-dvb repository.
> See &v4l-dvb; for access instructions.</para>
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 168ff50..0125f4d 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -294,7 +294,11 @@ struct v4l2_pix_format {
> /* RGB formats */
> #define V4L2_PIX_FMT_RGB332 v4l2_fourcc('R', 'G', 'B', '1') /* 8 RGB-3-3-2 */
> #define V4L2_PIX_FMT_RGB444 v4l2_fourcc('R', '4', '4', '4') /* 16 xxxxrrrr ggggbbbb */
> +#define V4L2_PIX_FMT_ARGB444 v4l2_fourcc('A', 'R', '1', '2') /* 16 aaaarrrr ggggbbbb */
> +#define V4L2_PIX_FMT_XRGB444 v4l2_fourcc('X', 'R', '1', '2') /* 16 xxxxrrrr ggggbbbb */
> #define V4L2_PIX_FMT_RGB555 v4l2_fourcc('R', 'G', 'B', 'O') /* 16 RGB-5-5-5 */
> +#define V4L2_PIX_FMT_ARGB555 v4l2_fourcc('A', 'R', '1', '5') /* 16 ARGB-1-5-5-5 */
> +#define V4L2_PIX_FMT_XRGB555 v4l2_fourcc('X', 'R', '1', '5') /* 16 XRGB-1-5-5-5 */
> #define V4L2_PIX_FMT_RGB565 v4l2_fourcc('R', 'G', 'B', 'P') /* 16 RGB-5-6-5 */
> #define V4L2_PIX_FMT_RGB555X v4l2_fourcc('R', 'G', 'B', 'Q') /* 16 RGB-5-5-5 BE */
> #define V4L2_PIX_FMT_RGB565X v4l2_fourcc('R', 'G', 'B', 'R') /* 16 RGB-5-6-5 BE */
> @@ -302,7 +306,11 @@ struct v4l2_pix_format {
> #define V4L2_PIX_FMT_BGR24 v4l2_fourcc('B', 'G', 'R', '3') /* 24 BGR-8-8-8 */
> #define V4L2_PIX_FMT_RGB24 v4l2_fourcc('R', 'G', 'B', '3') /* 24 RGB-8-8-8 */
> #define V4L2_PIX_FMT_BGR32 v4l2_fourcc('B', 'G', 'R', '4') /* 32 BGR-8-8-8-8 */
> +#define V4L2_PIX_FMT_ABGR32 v4l2_fourcc('A', 'R', '2', '4') /* 32 BGRA-8-8-8-8 */
> +#define V4L2_PIX_FMT_XBGR32 v4l2_fourcc('X', 'R', '2', '4') /* 32 BGRX-8-8-8-8 */
> #define V4L2_PIX_FMT_RGB32 v4l2_fourcc('R', 'G', 'B', '4') /* 32 RGB-8-8-8-8 */
> +#define V4L2_PIX_FMT_ARGB32 v4l2_fourcc('B', 'A', '2', '4') /* 32 ARGB-8-8-8-8 */
> +#define V4L2_PIX_FMT_XRGB32 v4l2_fourcc('B', 'X', '2', '4') /* 32 XRGB-8-8-8-8 */
>
> /* Grey formats */
> #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */
>
next prev parent reply other threads:[~2014-06-27 9:34 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-23 23:54 [PATCH v2 00/23] Renesas VSP1: alpha support and miscellaneous fixes Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 01/23] v4l: Add ARGB and XRGB pixel formats Laurent Pinchart
2014-06-27 9:34 ` Hans Verkuil [this message]
2014-07-17 21:53 ` Hans Verkuil
2014-07-18 12:31 ` Laurent Pinchart
2014-07-18 13:14 ` Hans Verkuil
2014-07-18 13:21 ` Hans Verkuil
2014-06-23 23:54 ` [PATCH v2 02/23] DocBook: media: Document ALPHA_COMPONENT control usage on output devices Laurent Pinchart
2014-06-27 9:34 ` Hans Verkuil
2014-06-23 23:54 ` [PATCH v2 03/23] v4l: Support extending the v4l2_pix_format structure Laurent Pinchart
2014-06-27 12:36 ` Hans Verkuil
2014-06-29 20:41 ` Laurent Pinchart
2014-07-17 21:04 ` Hans Verkuil
2014-07-21 20:56 ` Laurent Pinchart
2014-07-21 22:17 ` Hans Verkuil
2014-07-17 21:22 ` Hans Verkuil
2014-07-18 5:10 ` Hans Verkuil
2014-07-18 12:27 ` Laurent Pinchart
2014-07-18 13:12 ` Hans Verkuil
2014-06-23 23:54 ` [PATCH v2 04/23] v4l: Add premultiplied alpha flag for pixel formats Laurent Pinchart
2014-06-27 12:39 ` Hans Verkuil
2014-06-23 23:54 ` [PATCH v2 05/23] v4l: vb2: Fix stream start and buffer completion race Laurent Pinchart
2014-06-24 10:25 ` Hans Verkuil
2014-06-23 23:54 ` [PATCH v2 06/23] v4l: vsp1: Fix routing cleanup when stopping the stream Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 07/23] v4l: vsp1: Release buffers at stream stop Laurent Pinchart
2014-06-24 12:00 ` Sergei Shtylyov
2014-07-01 7:16 ` Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 08/23] v4l: vsp1: Fix pipeline stop timeout Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 09/23] v4l: vsp1: Fix typos Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 10/23] v4l: vsp1: Cleanup video nodes at removal time Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 11/23] v4l: vsp1: Propagate vsp1_device_get errors to the callers Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 12/23] v4l: vsp1: Setup control handler automatically at stream on time Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 13/23] v4l: vsp1: sru: Fix the intensity control default value Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 14/23] v4l: vsp1: sru: Make the intensity controllable during streaming Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 15/23] v4l: vsp1: wpf: Simplify cast to pipeline structure Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 16/23] v4l: vsp1: wpf: Clear RPF to WPF association at stream off time Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 17/23] v4l: vsp1: Switch to XRGB formats Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 18/23] v4l: vsp1: Add alpha channel support to the memory ports Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 19/23] v4l: vsp1: Add V4L2_CID_ALPHA_COMPONENT control support Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 20/23] v4l: vsp1: bru: Support premultiplied alpha at the BRU inputs Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 21/23] v4l: vsp1: bru: Support non-premultiplied colors at the BRU output Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 22/23] v4l: vsp1: bru: Make the background color configurable Laurent Pinchart
2014-06-23 23:54 ` [PATCH v2 23/23] v4l: vsp1: uds: Fix scaling of alpha layer Laurent Pinchart
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