Re: [PATCH] media: v4l2-ctrl: Add main 10 still picture profile for hevc

From: Hans Verkuil
Date: Wed Aug 24 2022 - 08:07:30 EST


Hi Dikshita,

On 23/08/2022 09:26, Dikshita Agarwal wrote:
> Add main 10 still picture profile for HEVC encoder.

Hmm, is this the same as the "Main 4:4:4 Still Picture" profile mentioned here:

https://en.wikipedia.org/wiki/High_Efficiency_Video_Coding#Version_2_profiles

If not, where it is defined? I would also prefer to have this patch merged together
with a driver that uses it.

Regards,

Hans

>
> Signed-off-by: Dikshita Agarwal <quic_dikshita@xxxxxxxxxxx>
> ---
> Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst | 2 ++
> include/uapi/linux/v4l2-controls.h | 1 +
> 2 files changed, 3 insertions(+)
>
> diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> index 2a165ae..5b2da84 100644
> --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> @@ -2424,6 +2424,8 @@ enum v4l2_mpeg_video_hevc_profile -
> - Main still picture profile.
> * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10``
> - Main 10 profile.
> + * - ``V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10_STILL_PICTURE``
> + - Main 10 still picture profile.
>
> .. raw:: latex
>
> diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
> index 5f46bf4..1159337 100644
> --- a/include/uapi/linux/v4l2-controls.h
> +++ b/include/uapi/linux/v4l2-controls.h
> @@ -743,6 +743,7 @@ enum v4l2_mpeg_video_hevc_profile {
> V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN = 0,
> V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_STILL_PICTURE = 1,
> V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10 = 2,
> + V4L2_MPEG_VIDEO_HEVC_PROFILE_MAIN_10_STILL_PICTURE = 3,
> };
> #define V4L2_CID_MPEG_VIDEO_HEVC_LEVEL (V4L2_CID_CODEC_BASE + 616)
> enum v4l2_mpeg_video_hevc_level {