Re: [PATCH] V4L2: Add documentation for SDI timings and related flags

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 




On 07/21/2016 05:04 PM, Charles-Antoine Couret wrote:
> Signed-off-by: Charles-Antoine Couret <charles-antoine.couret@xxxxxxxxxxxx>
> ---
>  Documentation/media/uapi/v4l/vidioc-enuminput.rst  | 31 +++++++++++++++++-----
>  .../media/uapi/v4l/vidioc-g-dv-timings.rst         | 15 +++++++++++
>  2 files changed, 39 insertions(+), 7 deletions(-)
> 

<snip>

> diff --git a/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
> index f7bf21f..9acfa19 100644
> --- a/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
> +++ b/Documentation/media/uapi/v4l/vidioc-g-dv-timings.rst
> @@ -339,6 +339,13 @@ EBUSY
>  
>         -  The timings follow the VESA Generalized Timings Formula standard
>  
> +    -  .. row 7
> +
> +       -  ``V4L2_DV_BT_STD_SDI``
> +
> +       -  The timings follow the SDI Timings standard.
> +	  There are no horizontal syncs/porches at all in this format.
> +	  Total blanking timings must be set in hsync or vsync fields only.

Didn't you mention on irc that there are actually two blanking timings for
vertical blanking? Something frontporch like? I can't remember the details,
but if I remember correctly, then you should specify what goes where.

Regards,

	Hans

>  
>  
>  .. _dv-bt-flags:
> @@ -415,3 +422,11 @@ EBUSY
>  	  R'G'B' values use limited range (i.e. 16-235) as opposed to full
>  	  range (i.e. 0-255). All formats defined in CEA-861 except for the
>  	  640x480p59.94 format are CE formats.
> +
> +    -  .. row 8
> +
> +       -  ``V4L2_DV_FL_FIRST_FIELD_EXTRA_LINE``
> +
> +       -  Some formats like SMPTE-125M have an interlaced signal with a odd
> +	  total height. For these formats, if this flag is set, the first
> +	  field has the extra line. Else, it is the second field.
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux