linux-kernel - Re: [PATCH] [media] v4l2: Add AV1, AVS and AVS2 format

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Date:   Fri, 26 Aug 2022 12:15:28 +0300
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Shi Hao <hao.shi@...ogic.com>
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        mchehab@...nel.org, hans.verkuil@...co.com,
        hverkuil-cisco@...all.nl, ezequiel@...guardiasur.com.ar,
        sakari.ailus@...ux.intel.com, ribalda@...omium.org,
        stanimir.varbanov@...aro.org, nanxin.qin@...ogic.com
Subject: Re: [PATCH] [media] v4l2: Add AV1, AVS and AVS2 format

Hello Shi,

Thank you for the patch.

On Fri, Aug 26, 2022 at 11:00:03AM +0800, Shi Hao wrote:
> From: "hao.shi" <hao.shi@...ogic.com>
> 
> Add AV1, AVS and AVS2 compressed pixel formats. They are
> the more common formats.
> 
> Signed-off-by: Shi Hao <hao.shi@...ogic.com>
> ---
>  drivers/media/v4l2-core/v4l2-ioctl.c | 3 +++
>  include/uapi/linux/videodev2.h       | 3 +++

The patch also needs to document the formats, in
Documentation/userspace-api/media/v4l/.

>  2 files changed, 6 insertions(+)
> 
> diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
> index c314025d977e..7b102c2f59b1 100644
> --- a/drivers/media/v4l2-core/v4l2-ioctl.c
> +++ b/drivers/media/v4l2-core/v4l2-ioctl.c
> @@ -1497,6 +1497,9 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
>  		case V4L2_PIX_FMT_MT21C:	descr = "Mediatek Compressed Format"; break;
>  		case V4L2_PIX_FMT_QC08C:	descr = "QCOM Compressed 8-bit Format"; break;
>  		case V4L2_PIX_FMT_QC10C:	descr = "QCOM Compressed 10-bit Format"; break;
> +		case V4L2_PIX_FMT_AV1:		descr = "AV1"; break;
> +		case V4L2_PIX_FMT_AVS:		descr = "AVS"; break;
> +		case V4L2_PIX_FMT_AVS2:		descr = "AVS2"; break;
>  		default:
>  			if (fmt->description[0])
>  				return;
> diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> index 01e630f2ec78..fa8ec0ddde3d 100644
> --- a/include/uapi/linux/videodev2.h
> +++ b/include/uapi/linux/videodev2.h
> @@ -738,6 +738,9 @@ struct v4l2_pix_format {
>  #define V4L2_PIX_FMT_FWHT_STATELESS     v4l2_fourcc('S', 'F', 'W', 'H') /* Stateless FWHT (vicodec) */
>  #define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
>  #define V4L2_PIX_FMT_HEVC_SLICE v4l2_fourcc('S', '2', '6', '5') /* HEVC parsed slices */
> +#define V4L2_PIX_FMT_AV1      v4l2_fourcc('A', 'V', '1', '0') /* AV1 */
> +#define V4L2_PIX_FMT_AVS      v4l2_fourcc('A', 'V', 'S', '0') /* AVS */
> +#define V4L2_PIX_FMT_AVS2     v4l2_fourcc('A', 'V', 'S', '2') /* AVS2 */
>  
>  /*  Vendor-specific formats   */
>  #define V4L2_PIX_FMT_CPIA1    v4l2_fourcc('C', 'P', 'I', 'A') /* cpia1 YUV */
> 
> base-commit: 568035b01cfb107af8d2e4bd2fb9aea22cf5b868

-- 
Regards,

Laurent Pinchart