linux-kernel - Re: [PATCH] media: v4l2-ctrl: Add H264 profile and levels

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Date:   Mon, 30 Mar 2020 13:20:56 +0200
From:   Hans Verkuil <hverkuil@...all.nl>
To:     Maheshwar Ajja <majja@...eaurora.org>, mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: v4l2-ctrl: Add H264 profile and levels

Hi Maheshwar,

The patch looks good, but you also need to update the documentation
in Documentation/media/uapi/v4l/ext-ctrls-codec.rst, adding the new
profile/levels.

You can just post a separate patch for that, and I'll take them both.

Regards,

	Hans

On 3/16/20 11:42 PM, Maheshwar Ajja wrote:
> Add H264 profile "Contrained High" and H264 levels "5.2",
> "6.0", "6.1" and "6.2".
> 
> Signed-off-by: Maheshwar Ajja <majja@...eaurora.org>
> ---
>  drivers/media/v4l2-core/v4l2-ctrls.c | 5 +++++
>  include/uapi/linux/v4l2-controls.h   | 5 +++++
>  2 files changed, 10 insertions(+)
> 
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
> index 2928c5e..67ce711 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls.c
> @@ -336,6 +336,10 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
>  		"4.2",
>  		"5",
>  		"5.1",
> +		"5.2",
> +		"6.0",
> +		"6.1",
> +		"6.2",
>  		NULL,
>  	};
>  	static const char * const h264_loop_filter[] = {
> @@ -362,6 +366,7 @@ const char * const *v4l2_ctrl_get_menu(u32 id)
>  		"Scalable High Intra",
>  		"Stereo High",
>  		"Multiview High",
> +		"Constrained High",
>  		NULL,
>  	};
>  	static const char * const vui_sar_idc[] = {
> diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h
> index 5a7bede..fbe3f82d 100644
> --- a/include/uapi/linux/v4l2-controls.h
> +++ b/include/uapi/linux/v4l2-controls.h
> @@ -467,6 +467,10 @@ enum v4l2_mpeg_video_h264_level {
>  	V4L2_MPEG_VIDEO_H264_LEVEL_4_2	= 13,
>  	V4L2_MPEG_VIDEO_H264_LEVEL_5_0	= 14,
>  	V4L2_MPEG_VIDEO_H264_LEVEL_5_1	= 15,
> +	V4L2_MPEG_VIDEO_H264_LEVEL_5_2	= 16,
> +	V4L2_MPEG_VIDEO_H264_LEVEL_6_0	= 17,
> +	V4L2_MPEG_VIDEO_H264_LEVEL_6_1	= 18,
> +	V4L2_MPEG_VIDEO_H264_LEVEL_6_2	= 19,
>  };
>  #define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_ALPHA	(V4L2_CID_MPEG_BASE+360)
>  #define V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_BETA	(V4L2_CID_MPEG_BASE+361)
> @@ -495,6 +499,7 @@ enum v4l2_mpeg_video_h264_profile {
>  	V4L2_MPEG_VIDEO_H264_PROFILE_SCALABLE_HIGH_INTRA	= 14,
>  	V4L2_MPEG_VIDEO_H264_PROFILE_STEREO_HIGH		= 15,
>  	V4L2_MPEG_VIDEO_H264_PROFILE_MULTIVIEW_HIGH		= 16,
> +	V4L2_MPEG_VIDEO_H264_PROFILE_CONSTRAINED_HIGH		= 17,
>  };
>  #define V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_HEIGHT	(V4L2_CID_MPEG_BASE+364)
>  #define V4L2_CID_MPEG_VIDEO_H264_VUI_EXT_SAR_WIDTH	(V4L2_CID_MPEG_BASE+365)
>