linux-kernel - Re: [PATCH v5 1/3] docs: ext-ctrls-codec: Document cyclic intra-refresh zero control value

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <0f1070de-2f21-82b5-8dfc-98c3afeb6d6b@xs4all.nl>
Date:   Wed, 28 Jul 2021 12:11:35 +0200
From:   Hans Verkuil <hverkuil-cisco@...all.nl>
To:     Stanimir Varbanov <stanimir.varbanov@...aro.org>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org
Cc:     Ezequiel Garcia <ezequiel@...labora.com>,
        nicolas.dufresne@...labora.com
Subject: Re: [PATCH v5 1/3] docs: ext-ctrls-codec: Document cyclic
 intra-refresh zero control value

On 22/06/2021 13:39, Stanimir Varbanov wrote:
> In all drivers _CYCLIC_INTRA_REFRESH_MB default control value is zero
> which means that the macroblocks will not be intra-refreshed. Document
> this _CYCLIC_INTRA_REFRESH_MB control behaviour in control description.
> 
> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@...aro.org>

Acked-by: Hans Verkuil <hverkuil-cisco@...all.nl>

Thanks!

	Hans

> ---
>  Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> index 8c6e2a11ed95..addf44b99dfa 100644
> --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> @@ -1174,7 +1174,9 @@ enum v4l2_mpeg_video_h264_entropy_mode -
>      Cyclic intra macroblock refresh. This is the number of continuous
>      macroblocks refreshed every frame. Each frame a successive set of
>      macroblocks is refreshed until the cycle completes and starts from
> -    the top of the frame. Applicable to H264, H263 and MPEG4 encoder.
> +    the top of the frame. Setting this control to zero means that
> +    macroblocks will not be refreshed.
> +    Applicable to H264, H263 and MPEG4 encoder.
>  
>  ``V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE (boolean)``
>      Frame level rate control enable. If this control is disabled then
>