linux-kernel - Re: [PATCH] media: rkvdec: set ctx->image_fmt in rkvdec_s_capture

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Message-ID: <6810b2c54369a7941d4f01d1013a641412743b62.camel@collabora.com>
Date: Sat, 13 Dec 2025 09:27:20 -0500
From: Nicolas Dufresne <nicolas.dufresne@...labora.com>
To: Jianfeng Liu <liujianfeng1994@...il.com>
Cc: detlev.casanova@...labora.com, ezequiel@...guardiasur.com.ar, 
	heiko@...ech.de, hverkuil@...nel.org, jonas@...boo.se, 
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org, 
	mchehab@...nel.org
Subject: Re: [PATCH] media: rkvdec: set ctx->image_fmt in
 rkvdec_s_capture_fmt

Hi,

Le samedi 13 décembre 2025 à 13:59 +0800, Jianfeng Liu a écrit :
> Chromium does follow the spec when decoding 10bit videos[1], but that is
> still limited to hevc and vp9. For h264 and 8bit video chromium thinks
> this is unnecessary.

thanks for the pointer, that explains a lot my surprise and slight confusion.
Now that you mention, on relevant chromebooks, 10bit is only supported with
HEVC/VP9 (perhaps AV1 too, not sure).

Nicolas

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