On 11/14/2015 02:26 PM, Laurent Pinchart wrote:
> From: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
>
> The formats use three planes through the multiplanar API, allowing for
> non-contiguous planes in memory.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> ---
> Documentation/DocBook/media/v4l/pixfmt-yuv422m.xml | 159 +++++++++++++++++++
> Documentation/DocBook/media/v4l/pixfmt-yuv444m.xml | 171 +++++++++++++++++++++
> Documentation/DocBook/media/v4l/pixfmt-yvu422m.xml | 159 +++++++++++++++++++
> Documentation/DocBook/media/v4l/pixfmt-yvu444m.xml | 171 +++++++++++++++++++++
> Documentation/DocBook/media/v4l/pixfmt.xml | 4 +
> drivers/media/v4l2-core/v4l2-ioctl.c | 4 +
> include/uapi/linux/videodev2.h | 4 +
> 7 files changed, 672 insertions(+)
> create mode 100644 Documentation/DocBook/media/v4l/pixfmt-yuv422m.xml
> create mode 100644 Documentation/DocBook/media/v4l/pixfmt-yuv444m.xml
> create mode 100644 Documentation/DocBook/media/v4l/pixfmt-yvu422m.xml
> create mode 100644 Documentation/DocBook/media/v4l/pixfmt-yvu444m.xml
>
> Hello,
>
> The driver using those formats should follow in the not too distant future,
> but I'd appreciate getting feedback on the definitions already.
Looks good, but I would combine yuv422m and yvu422m, and do the same for the 444m
variants. It's overkill to split this up.
>
> diff --git a/Documentation/DocBook/media/v4l/pixfmt-yuv422m.xml b/Documentation/DocBook/media/v4l/pixfmt-yuv422m.xml
> new file mode 100644
> index 000000000000..f4d8d74e7f74
> --- /dev/null
> +++ b/Documentation/DocBook/media/v4l/pixfmt-yuv422m.xml
> @@ -0,0 +1,159 @@
> + <refentry id="V4L2-PIX-FMT-YUV422M">
> + <refmeta>
> + <refentrytitle>V4L2_PIX_FMT_YUV422M ('YM16')</refentrytitle>
> + &manvol;
> + </refmeta>
> + <refnamediv>
> + <refname> <constant>V4L2_PIX_FMT_YUV422M</constant></refname>
> + <refpurpose>Planar formats with ½ horizontal resolution, also
> + known as YUV 4:2:2</refpurpose>
> + </refnamediv>
> +
> + <refsect1>
> + <title>Description</title>
> +
> + <para>This is a multi-planar format, as opposed to a packed format.
> +The three components are separated into three sub- images or planes.
No space needed after 'sub-'.
Regards,
Hans
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