linux-kernel - Re: [PATCH v10 0/5] Enable support for AV1 stateful decoder

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Message-ID: <f86a904e-110e-448f-96e0-22bc6b3e4b38@packett.cool>
Date: Fri, 2 Jan 2026 08:01:44 -0300
From: Val Packett <val@...kett.cool>
To: Bryan O'Donoghue <bod@...nel.org>,
 Deepa Guthyappa Madivalara <deepa.madivalara@....qualcomm.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Vikash Garodia <vikash.garodia@....qualcomm.com>,
 Dikshita Agarwal <dikshita.agarwal@....qualcomm.com>,
 Abhinav Kumar <abhinav.kumar@...ux.dev>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, kernel test robot <lkp@...el.com>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 Nicolas Dufresne <nicolas.dufresne@...labora.com>,
 Hans Verkuil <hverkuil+cisco@...nel.org>
Subject: Re: [PATCH v10 0/5] Enable support for AV1 stateful decoder


On 1/2/26 7:44 AM, Bryan O'Donoghue wrote:
> On 02/01/2026 10:43, Val Packett wrote:
>>
>> On 12/10/25 3:59 PM, Deepa Guthyappa Madivalara wrote:
>>> Hi all,
>>>
>>> This patch series adds initial support for the AV1 stateful decoder
>>> codecs in iris decoder. Also it adds support for AV1 stateful decoder
>>> in V4l2. The objective of this work is to extend the Iris decoder's
>>> capabilities to handle AV1 format codec streams, including necessary
>>> format handling and buffer management.
>>
>> This is awesome, thanks!
>>
>> I've tested it with rpi-ffmpeg as well, and it works great (only
>> required one interesting logic change..
>> https://github.com/jc-kynesim/rpi-ffmpeg/pull/108) \o/
>>
>>> unsupported content with bitdepth 10 (66 tests)
>>> Iris decoder supports only 8bit NV12
>>
>> Any chance we could get 10-bit support soon as well?
>>
>> 10-bit is massively popular with AV1, especially with home encodes (see
>> e.g. https://wiki.x266.mov/docs/encoders/SVT-AV1#encoder-optimization
>> and the ab-av1 tool's defaults)
>>
>>
>> Thanks,
>> ~val
>>
>
> Can you give a Tested-by so ? 


Sure, if that's helpful..

Tested-by: Val Packett <val@...kett.cool>

for the series