linux-kernel - Re: [PATCH v2 1/2] media: usb: uvc: Add H265 pixel format

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Message-ID: <164966468564.22830.10326597921182135832@Monstersaurus>
Date:   Mon, 11 Apr 2022 09:11:25 +0100
From:   Kieran Bingham <kieran.bingham@...asonboard.com>
To:     James_Lin <Ping-lei.Lin@...iatek.com>, linux-kernel@...r.kernel.org
Cc:     Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Arnd Bergmann <arnd@...db.de>,
        Ricardo Ribalda <ribalda@...omium.org>,
        Ming Qian <ming.qian@....com>,
        Andrzej Pietrasiewicz <andrzej.p@...labora.com>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        linux-media@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, ping-lei.lin@...iatek.com,
        lecopzer.chen@...iatek.com, max.yan@...iatek.com,
        sherlock.chang@...iatek.com, tm.wu@...iatek.com,
        James_Lin <Ping-lei.Lin@...iatek.com>
Subject: Re: [PATCH v2 1/2] media: usb: uvc: Add H265 pixel format

Quoting James_Lin (2022-04-11 09:01:19)
> Add H265 pixel format.
> So driver can recognize external camera devices 
> whom use h265 to describe High Efficiency Video Coding method.
> 
> Signed-off-by: James_Lin <Ping-lei.Lin@...iatek.com>
> ---
>  drivers/media/usb/uvc/uvc_driver.c | 5 +++++
>  drivers/media/usb/uvc/uvcvideo.h   | 3 +++
>  2 files changed, 8 insertions(+)
> 
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index dda0f0aa78b8..ebb807c33e57 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -154,6 +154,11 @@ static struct uvc_format_desc uvc_fmts[] = {
>                 .guid           = UVC_GUID_FORMAT_H264,
>                 .fcc            = V4L2_PIX_FMT_H264,
>         },
> +       {
> +               .name           = "H.265",
> +               .guid           = UVC_GUID_FORMAT_H265,
> +               .fcc            = V4L2_PIX_FMT_H265,

This is not yet defined I believe, so this patch needs to be 2/2 in this
series - with your following patch first so that they can both compile
independently.

> +       },
>         {
>                 .name           = "Greyscale 8 L/R (Y8I)",
>                 .guid           = UVC_GUID_FORMAT_Y8I,
> diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
> index 143230b3275b..41f4d8c33f2a 100644
> --- a/drivers/media/usb/uvc/uvcvideo.h
> +++ b/drivers/media/usb/uvc/uvcvideo.h
> @@ -139,6 +139,9 @@
>  #define UVC_GUID_FORMAT_H264 \
>         { 'H',  '2',  '6',  '4', 0x00, 0x00, 0x10, 0x00, \
>          0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> +#define UVC_GUID_FORMAT_H265 \
> +       { 'H',  '2',  '6',  '5', 0x00, 0x00, 0x10, 0x00, \
> +        0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
>  #define UVC_GUID_FORMAT_Y8I \
>         { 'Y',  '8',  'I',  ' ', 0x00, 0x00, 0x10, 0x00, \
>          0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
> -- 
> 2.18.0
>