linux-kernel - Re: [PATCH v8 00/12] VP9 codec V4L2 control interface

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Message-ID: <7496c1ab-4ee1-c13b-e7d4-3c3d47022f26@collabora.com>
Date:   Tue, 16 Nov 2021 15:48:28 +0100
From:   Andrzej Pietrasiewicz <andrzej.p@...labora.com>
To:     Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
Cc:     linux-media <linux-media@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC..." <linux-rockchip@...ts.infradead.org>,
        "open list:STAGING SUBSYSTEM" <linux-staging@...ts.linux.dev>,
        Benjamin Gaignard <benjamin.gaignard@...labora.com>,
        Boris Brezillon <boris.brezillon@...labora.com>,
        Fabio Estevam <festevam@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Heiko Stuebner <heiko@...ech.de>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Nicolas Dufresne <nicolas.dufresne@...labora.com>,
        NXP Linux Team <linux-imx@....com>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Shawn Guo <shawnguo@...nel.org>,
        Collabora Kernel ML <kernel@...labora.com>
Subject: Re: [PATCH v8 00/12] VP9 codec V4L2 control interface

Hi Ezequiel,

W dniu 16.11.2021 o 15:47, Ezequiel Garcia pisze:
> On Tue, 16 Nov 2021 at 11:38, Andrzej Pietrasiewicz
> <andrzej.p@...labora.com> wrote:
>>
>> Dear all,
>>
>> This patch series adds VP9 codec V4L2 control interface and two drivers
>> using the new controls. It is a follow-up of previous v7 series [1].
>>
>> In this iteration, we've implemented VP9 hardware decoding on two devices:
>> Rockchip VDEC and Hantro G2, and tested on RK3399, i.MX8MQ and i.MX8MP.
>> The i.MX8M driver needs proper power domains support, though, which is a
>> subject of a different effort, but in all 3 cases we were able to run the
>> drivers.
>>
>> GStreamer support is also available, the needed changes have been submitted
>> by Daniel Almeida [2]. This MR is ready to be merged, and just needs the
>> VP9 V4L2 controls to be merged and released.
>>
>> Both rkvdec and hantro drivers are passing a significant number of VP9 tests
>> using Fluster[3]. There are still a few tests that are not passing, due to
>> dynamic frame resize (not yet supported by V4L2) and small size videos
>> (due to IP block limitations).
>>
>> The series adds the VP9 codec V4L2 control API as uAPI, so it aims at being
>> merged without passing through staging, as agreed[4]. The ABI has been checked
>> for padding and verified to contain no holes.
>>
>> [1] https://patchwork.linuxtv.org/project/linux-media/list/?series=6393
>> [2] https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2144
> 
> Due to GStreamer monorepo, the MR has been moved to
> 
> https://gitlab.freedesktop.org//gstreamer/gstreamer/-/merge_requests/1012
> 

Thank you for catching this :)

Andrzej