linux-kernel - Re: [PATCH v3 00/14] Move HEVC stateless controls out of staging

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Message-ID: <CAHCN7x+AUy4JsqfdyZFqg4ScR1OgoLvqF91za0AZ278NSBJj4A@mail.gmail.com>
Date:   Sat, 26 Feb 2022 16:25:13 -0600
From:   Adam Ford <aford173@...il.com>
To:     Benjamin Gaignard <benjamin.gaignard@...labora.com>
Cc:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Ezequiel Garcia <ezequiel@...guardiasur.com.ar>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        mripard@...nel.org, paul.kocialkowski@...tlin.com,
        Chen-Yu Tsai <wens@...e.org>,
        "jernej.skrabec" <jernej.skrabec@...il.com>,
        Jonas Karlman <jonas@...boo.se>,
        Nicolas Dufresne <nicolas@...fresne.ca>,
        linux-media <linux-media@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        "open list:STAGING SUBSYSTEM" <linux-staging@...ts.linux.dev>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-sunxi@...ts.linux.dev, kernel <kernel@...labora.com>,
        knaerzche@...il.com, jc@...esim.co.uk
Subject: Re: [PATCH v3 00/14] Move HEVC stateless controls out of staging

On Fri, Feb 25, 2022 at 4:41 PM Benjamin Gaignard
<benjamin.gaignard@...labora.com> wrote:
>
> This series aims to make HEVC uapi stable and usable for hardware
> decoder. HEVC uapi is used by 2 mainlined drivers (Cedrus and Hantro)
> and 2 out of the tree drivers (rkvdec and RPI).
>
> After the remarks done on version 2, I have completely reworked to patches
> split so changelogs are meaningless. I have also drop "RFC" from the
> titles.
>
> In this v3 I do all the changes (new controls, documentation, etc..)
> in the staging directory before moving the HEVC uAPI to stable
> steps by steps (unlike the big one patch in v2).
>
> At the end fluster tests results on IMX8MQ is 77/147 for HEVC codec.

Benjamin,

I have an imx8mm and imx8mq that I can test. Do you happen to have a
repo that I can clone to test this?  The imx8m stuff is spread around
between the media tree and the imx tree since it hasn't been fully
merged yet.

thanks,

adam

>
> Benjamin
>
> Benjamin Gaignard (11):
>   media: uapi: HEVC: Add missing fields in HEVC controls
>   media: uapi: HEVC: Rename HEVC stateless controls with STATELESS
>     prefix
>   media: uapi: HEVC: Add document uAPI structure
>   media: uapi: HEVC: Define V4L2_CID_STATELESS_HEVC_SLICE_PARAMS as a
>     dynamic array
>   media: uapi: Move parsed HEVC pixel format out of staging
>   media: uapi: Add V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSET control
>   media: uapi: Move the HEVC stateless control type out of staging
>   media: controls: Log HEVC stateless control in .std_log
>   media: uapi: Create a dedicated header for Hantro control
>   media: uapi: HEVC: fix padding in v4l2 control structures
>   media: uapi: move HEVC stateless controls out of staging
>
> Hans Verkuil (3):
>   videodev2.h: add V4L2_CTRL_FLAG_DYNAMIC_ARRAY
>   v4l2-ctrls: add support for dynamically allocated arrays.
>   vivid: add dynamic array test control
>
>  .../userspace-api/media/drivers/hantro.rst    |   5 -
>  .../media/v4l/ext-ctrls-codec-stateless.rst   | 831 ++++++++++++++++++
>  .../media/v4l/ext-ctrls-codec.rst             | 780 ----------------
>  .../media/v4l/pixfmt-compressed.rst           |   7 +-
>  .../media/v4l/vidioc-g-ext-ctrls.rst          |  20 +
>  .../media/v4l/vidioc-queryctrl.rst            |   8 +
>  .../media/videodev2.h.rst.exceptions          |   5 +
>  .../media/test-drivers/vivid/vivid-ctrls.c    |  15 +
>  drivers/media/v4l2-core/v4l2-ctrls-api.c      | 103 ++-
>  drivers/media/v4l2-core/v4l2-ctrls-core.c     | 198 ++++-
>  drivers/media/v4l2-core/v4l2-ctrls-defs.c     |  32 +-
>  drivers/media/v4l2-core/v4l2-ctrls-priv.h     |   3 +-
>  drivers/media/v4l2-core/v4l2-ctrls-request.c  |  13 +-
>  drivers/staging/media/hantro/hantro_drv.c     |  27 +-
>  drivers/staging/media/hantro/hantro_hevc.c    |   8 +-
>  drivers/staging/media/sunxi/cedrus/cedrus.c   |  24 +-
>  .../staging/media/sunxi/cedrus/cedrus_dec.c   |  10 +-
>  include/media/hevc-ctrls.h                    | 250 ------
>  include/media/v4l2-ctrls.h                    |  48 +-
>  include/uapi/linux/hantro-media.h             |  19 +
>  include/uapi/linux/v4l2-controls.h            | 436 +++++++++
>  include/uapi/linux/videodev2.h                |  13 +
>  22 files changed, 1686 insertions(+), 1169 deletions(-)
>  delete mode 100644 include/media/hevc-ctrls.h
>  create mode 100644 include/uapi/linux/hantro-media.h
>
> --
> 2.32.0
>