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Message-ID: <CAHCN7xL-+1cXbcOpRU8BRXoyAkecERqT-O8vM_069er8WWWEaw@mail.gmail.com>
Date: Fri, 4 Mar 2022 06:59:14 -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 Thu, Mar 3, 2022 at 4:13 AM Benjamin Gaignard
<benjamin.gaignard@...labora.com> wrote:
>
>
> Le 03/03/2022 à 02:23, Adam Ford a écrit :
> > On Mon, Feb 28, 2022 at 4:13 AM Benjamin Gaignard
> > <benjamin.gaignard@...labora.com> wrote:
> >>
> >> Le 26/02/2022 à 23:25, Adam Ford a écrit :
> >>> 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.
> >> I have push a branch here:
> >> https://gitlab.collabora.com/benjamin.gaignard/for-upstream/-/commits/HEVC_UAPI_V4
> >>
> >> it is the incoming version 4 of this series + patches to enable G2 on my IMX8MQ
> > Benjamin,
> >
> > I checked this repo out, and built it along with pulling the latest
> > versions of G-streamer and fluster.
> > When I check for v4l2 compatibility, I get the following:
> >
> > GStreamer-H.264-V4L2-Gst1.0: GStreamer H.264 V4L2 decoder for
> > GStreamer 1.0... ❌
> > GStreamer-H.264-V4L2SL-Gst1.0: GStreamer H.264 V4L2SL decoder for
> > GStreamer 1.0... ✔️
> > GStreamer-AV1-V4L2SL-Gst1.0: GStreamer AV1 V4L2SL decoder for
> > GStreamer 1.0... ❌
> > GStreamer-H.265-V4L2-Gst1.0: GStreamer H.265 V4L2 decoder for
> > GStreamer 1.0... ❌
> > GStreamer-H.265-V4L2SL-Gst1.0: GStreamer H.265 V4L2SL decoder for
> > GStreamer 1.0... ❌
> > GStreamer-VP8-V4L2-Gst1.0: GStreamer VP8 V4L2 decoder for GStreamer 1.0... ❌
> > GStreamer-VP8-V4L2SL-Gst1.0: GStreamer VP8 V4L2SL decoder for
> > GStreamer 1.0... ✔️
> > GStreamer-VP9-V4L2SL-Gst1.0: GStreamer VP9 V4L2SL decoder for
> > GStreamer 1.0... ✔️
> >
> > I see H,264, VP8 and VP9, but I would have also expected
> > GStreamer-H.265-V4L2SL-Gst1.0 to return with a check box.
> >
> > When I checked to see if both decoders were being enumerated, I found they were.
> > [gst-main] root@...alhost:~/gstreamer/fluster# dmesg |grep -i hantro
> > [ 16.044243] hantro_vpu: module is from the staging directory, the
> > quality is unknown, you have been warned.
> > [ 16.044243] hantro_vpu: module is from the staging directory, the
> > quality is unknown, you have been warned.
> > [ 16.095661] hantro-vpu 38300000.video-codec: registered
> > nxp,imx8mq-vpu-g1-dec as /dev/video0
> > [ 16.096782] hantro-vpu 38310000.video-codec: registered
> > nxp,imx8mq-vpu-g2-dec as /dev/video1
> >
> > Did I do something wrong, or did I miss something?
>
> Hi Adam,
>
> I guess it could be a misalignment between v4l2 kernel headers
> and GStreamer v4l2 headers.
> I have push a new version of the GST merge request which is aligned with
> HEVC uAPI v4 proposal.
>
> When you inspect v4l2codecs gst plugin (gst-inspect-1.0 v4l2codecs) do
> you see v4l2slh265dec plugin ?
> I have fluster happy with it:
> ./fluster.py list -c
I pulled the latest from g-streamer's git repo again, and re-built.
gst-instpect does not appear to show the h265 codec anymore.
# gst-inspect-1.0 |grep v4l2codecs
v4l2codecs: v4l2slh264dec: V4L2 Stateless H.264 Video Decoder
v4l2codecs: v4l2slmpeg2dec: V4L2 Stateless Mpeg2 Video Decoder
v4l2codecs: v4l2slvp8alphadecodebin: VP8 Alpha Decoder
v4l2codecs: v4l2slvp8dec: V4L2 Stateless VP8 Video Decoder
v4l2codecs: v4l2slvp9alphadecodebin: VP9 Alpha Decoder
v4l2codecs: v4l2slvp9dec: V4L2 Stateless VP9 Video Decoder
Is there a specific branch of g-streamer I should be using that can
handle the newer API?
adam
>
>
> H265
> ...
> GStreamer-H.265-V4L2-Gst1.0: GStreamer H.265 V4L2 decoder for GStreamer 1.0... ❌
> GStreamer-H.265-V4L2SL-Gst1.0: GStreamer H.265 V4L2SL decoder for GStreamer 1.0... ✔️
> GStreamer-H.265-VA-Gst1.0: GStreamer H.265 VA decoder for GStreamer 1.0... ❌
> GStreamer-H.265-VAAPI-Gst1.0: GStreamer H.265 VAAPI decoder for GStreamer 1.0... ❌
> JCT-VT-H.265: JCT-VT H.265/HEVC reference decoder... ❌
>
> I hope that will help you,
>
> Regards,
> Benjamin
>
> >
> > adam
> >
> >> Regards,
> >> Benjamin
> >>
> >>> 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
> >>>>
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