From: Stanimir Varbanov <stanimir.varbanov@linaro.org>
To: Stanimir Varbanov <stanimir.varbanov@linaro.org>,
linux-media@vger.kernel.org
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Hans Verkuil <hverkuil@xs4all.nl>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
Sakari Ailus <sakari.ailus@linux.intel.com>
Subject: Re: [PATCH v2] v4l: Add source event change for bit-depth
Date: Wed, 8 May 2019 18:34:19 +0300 [thread overview]
Message-ID: <d6dcee9a-0308-855c-9819-3e7413cb617d@linaro.org> (raw)
In-Reply-To: <20190508113759.19168-1-stanimir.varbanov@linaro.org>
Hi Hans,
On 5/8/19 2:37 PM, Stanimir Varbanov wrote:
> This event indicate that the source bit-depth is changed during
> run-time. The client must get the new format and re-allocate buffers
> for it. This can usually happens with video decoder (encoders) when
> the bit-stream depth is changed from 8 to 10bits or vice versa.
>
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
> ---
> Change since v1: s/BITDEPTH/BIT_DEPTH
>
> Documentation/media/uapi/v4l/vidioc-dqevent.rst | 7 +++++++
> Documentation/media/videodev2.h.rst.exceptions | 1 +
> include/uapi/linux/videodev2.h | 1 +
> 3 files changed, 9 insertions(+)
>
> diff --git a/Documentation/media/uapi/v4l/vidioc-dqevent.rst b/Documentation/media/uapi/v4l/vidioc-dqevent.rst
> index dea9c0cc00ab..f7782cbddc5f 100644
> --- a/Documentation/media/uapi/v4l/vidioc-dqevent.rst
> +++ b/Documentation/media/uapi/v4l/vidioc-dqevent.rst
> @@ -397,6 +397,13 @@ call.
> that many devices are not able to recover from a temporary loss of
> signal and so restarting streaming I/O is required in order for the
> hardware to synchronize to the video signal.
> + * - ``V4L2_EVENT_SRC_CH_BIT_DEPTH``
I started to wonder isn't COLOR_DEPTH more appropriate? Bit-depth
doesn't describe what is actually deep.
--
regards,
Stan
next prev parent reply other threads:[~2019-05-08 15:34 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-08 11:37 [PATCH v2] v4l: Add source event change for bit-depth Stanimir Varbanov
2019-05-08 15:34 ` Stanimir Varbanov [this message]
2019-05-08 16:38 ` Hans Verkuil
2019-05-08 22:14 ` Sakari Ailus
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d6dcee9a-0308-855c-9819-3e7413cb617d@linaro.org \
--to=stanimir.varbanov@linaro.org \
--cc=hverkuil@xs4all.nl \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=mchehab@kernel.org \
--cc=sakari.ailus@linux.intel.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).