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

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Message-ID: <CAAEAJfANEficRLg2JCvOmv_pv9j9tEVPPsph4n4TYkeBjeUWiQ@mail.gmail.com>
Date:   Tue, 16 Nov 2021 11:47:28 -0300
From:   Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
To:     Andrzej Pietrasiewicz <andrzej.p@...labora.com>
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

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

Thanks,
Ezequiel