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From:   Adam Ford <aford173@gmail.com>
Date:   Tue, 5 Apr 2022 16:27:50 -0500
Message-ID: <CAHCN7x+AwNauiyaVL=NGARkmxWOL9uLS5-AO4TjkvLGNQ=3r+Q@mail.gmail.com>
Subject: Re: [PATCH v4 00/15] Move HEVC stateless controls out of staging
To:     Benjamin Gaignard <benjamin.gaignard@collabora.com>
Cc:     Mauro Carvalho Chehab <mchehab@kernel.org>,
        Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>,
        Philipp Zabel <p.zabel@pengutronix.de>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        mripard@kernel.org, paul.kocialkowski@bootlin.com,
        Chen-Yu Tsai <wens@csie.org>,
        "jernej.skrabec" <jernej.skrabec@gmail.com>,
        Jonas Karlman <jonas@kwiboo.se>,
        Nicolas Dufresne <nicolas@ndufresne.ca>,
        linux-media <linux-media@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        "open list:STAGING SUBSYSTEM" <linux-staging@lists.linux.dev>,
        arm-soc <linux-arm-kernel@lists.infradead.org>,
        linux-sunxi@lists.linux.dev, kernel <kernel@collabora.com>,
        knaerzche@gmail.com, jc@kynesim.co.uk
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On Mon, Apr 4, 2022 at 10:56 AM Benjamin Gaignard
<benjamin.gaignard@collabora.com> wrote:
>
>
> Le 02/04/2022 =C3=A0 18:59, Adam Ford a =C3=A9crit :
> > On Sat, Apr 2, 2022 at 11:22 AM Adam Ford <aford173@gmail.com> wrote:
> >> On Fri, Apr 1, 2022 at 8:18 AM Benjamin Gaignard
> >> <benjamin.gaignard@collabora.com> wrote:
> >>>
> >>> Le 31/03/2022 =C3=A0 08:53, Benjamin Gaignard a =C3=A9crit :
> >>>> Le 30/03/2022 =C3=A0 20:52, Adam Ford a =C3=A9crit :
> >>>>> On Wed, Mar 30, 2022 at 2:53 AM Benjamin Gaignard
> >>>>> <benjamin.gaignard@collabora.com> wrote:
> >>>>>> Le 28/02/2022 =C3=A0 15:08, Benjamin Gaignard a =C3=A9crit :
> >>>>>>> This series aims to make HEVC uapi stable and usable for hardware
> >>>>>>> decoder. HEVC uapi is used by 2 mainlined drivers (Cedrus and Han=
tro)
> >>>>>>> and 2 out of the tree drivers (rkvdec and RPI).
> >>>>>>>
> >>>>>>> After the remarks done on version 2, I have completely reworked t=
o
> >>>>>>> patches
> >>>>>>> split so changelogs are meaningless. I have also drop "RFC" from =
the
> >>>>>>> titles.
> >>>>>>>
> >>>>>>> Version 4:
> >>>>>>> - Add num_entry_point_offsets field in  struct
> >>>>>>> v4l2_ctrl_hevc_slice_params
> >>>>>>> - Fix V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS name
> >>>>>>> - Initialize control V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS
> >>>>>>> - Fix space/tab issue in kernel-doc
> >>>>>>> - Add patch to change data_bit_offset definition
> >>>>>>> - Fix hantro-media SPDX license
> >>>>>>> - put controls under stateless section in v4l2-ctrls-defs.c
> >>>>>>>
> >>>>>>> At the end fluster tests results on IMX8MQ is 77/147 for HEVC cod=
ec.
> >>>>>> Dear reviewers,
> >>>>>>
> >>>>>> This series is waiting for your feedback,
> >>>>> I tried several times with the suggested repos for both the kernel =
and
> >>>>> g-streamer without success getting Fluster to pass any tests on the
> >>>>> imx8mq.  I can try again but I likely won't get to it until this
> >>>>> weekend.  If I can get it working, I'll test both the 8mq and 8mm.
> >>>> Thanks a lot for that.
> >>>>
> >>>> Benjamin
> >>> Adam,
> >>>
> >>> You may need to check if h265parse and v4l2slh265dec are available on=
 your board.
> >> I ran gst-inspect to see what showed up with 265 in the name.
> >>
> >> # gst-inspect-1.0 |grep 265
> >> libav:  avdec_h265: libav HEVC (High Efficiency Video Coding) decoder
> >> rtp:  rtph265depay: RTP H265 depayloader
> >> rtp:  rtph265pay: RTP H265 payloader
> >> typefindfunctions: video/x-h265: h265, x265, 265
> >> v4l2codecs:  v4l2slh265dec: V4L2 Stateless H.265 Video Decoder
> >> videoparsersbad:  h265parse: H.265 parser
> >>
> >> It appears I have both h265parse and v4l2slh265dec.
> >>
> >>> fluster check if v4l2slh265dec is working fine with this command line=
:
> >>>
> >>> gst-launch-1.0 appsrc num-buffers=3D0 ! h265parse ! v4l2slh265dec ! f=
akesink
> >>>
> >>> so if one of them is missing it won't work.
> >> gst-launch-1.0 appsrc num-buffers=3D0 ! h265parse ! v4l2slh265dec ! fa=
kesink
> >> Setting pipeline to PAUSED ...
> >> 0:00:00.098389938   526 0xaaaaf9d86ac0 ERROR     v4l2codecs-decoder
> >> gstv4l2decoder.c:725:gst_v4l2_decoder_get_controls:<v4l2decoder2>
> >> VIDIOC_G_EXT_CTRLS failed: Invalid argument
> >> ERROR: from element
> >> /GstPipeline:pipeline0/v4l2slh265dec:v4l2slh265dec0: Driver did not
> >> report framing and start code method.
> >> Additional debug info:
> >> ../subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codech265dec.c(15=
5):
> >> gst_v4l2_codec_h265_dec_open ():
> >> /GstPipeline:pipeline0/v4l2slh265dec:v4l2slh265dec0:
> >> gst_v4l2_decoder_get_controls() failed: Invalid argument
> >> ERROR: pipeline doesn't want to preroll.
> >> ERROR: from element
> >> /GstPipeline:pipeline0/v4l2slh265dec:v4l2slh265dec0: Could not
> >> initialize supporting library.
> >> Additional debug info:
> >> ../subprojects/gst-plugins-base/gst-libs/gst/video/gstvideodecoder.c(2=
909):
> >> gst_video_decoder_change_state ():
> >> /GstPipeline:pipeline0/v4l2slh265dec:v4l2slh265dec0:
> >> Failed to open decoder
> >> ERROR: pipeline doesn't want to preroll.
> >> Failed to set pipeline to PAUSED.
> >> Setting pipeline to NULL ...
> >> Freeing pipeline ...
> >>
> >> Does this mean I have a wrong version of the kernel and/or incomplete =
patches?
> > I double checked the branches.
> >
> > Kernel:
> > https://gitlab.collabora.com/benjamin.gaignard/for-upstream.git
> > branch:  origin/HEVC_UAPI_V4
> >
> > Gstreamer:
> > https://gitlab.freedesktop.org/benjamin.gaignard1/gstreamer.git
> > branch:  origin/benjamin.gaignard1/gstreamer-HEVC_aligned_with_kernel_5=
.15
> >
> >
> > I am still not able to run h.265/HEVC tests.
>
> Hello Adam,
>
> I have updated the following branches with the versions I have used today=
:
>
> Kernel:
> https://gitlab.collabora.com/benjamin.gaignard/for-upstream.git
> branch: origin/HEVC_UAPI_V5 only one change in documentation vs version 4=
 but rebased in v5.18-rc1
>
> Gstreamer:
> https://gitlab.freedesktop.org/benjamin.gaignard1/gstreamer.git
> branch:  origin/benjamin.gaignard1/gstreamer-HEVC_aligned_with_kernel_5.1=
5 updated on the latest GST main branch
>
> I hope this will work fine this time.

I wish I had better news for you:

dmesg shows the hantro driver is being loaded:

[   38.612243] hantro-vpu 38300000.video-codec: registered
nxp,imx8mq-vpu-g1-dec as /dev/video0
[   38.612618] hantro-vpu 38310000.video-codec: registered
nxp,imx8mq-vpu-g2-dec as /dev/video1

# gst-inspect-1.0 |grep 265
libav:  avdec_h265: libav HEVC (High Efficiency Video Coding) decoder
rtp:  rtph265depay: RTP H265 depayloader
rtp:  rtph265pay: RTP H265 payloader
typefindfunctions: video/x-h265: h265, x265, 265
v4l2codecs:  v4l2slh265dec: V4L2 Stateless H.265 Video Decoder
videoparsersbad:  h265parse: H.265 parser

Fluster reports:
GStreamer-H.265-V4L2SL-Gst1.0: GStreamer H.265 V4L2SL decoder for
GStreamer 1.0... =E2=9D=8C

adam
>
> Benjamin
>
> >
> > adam
> >> adam
> >>> Regards,
> >>> Benjamin
> >>>
> >>>>> adam
> >>>>>> Thanks,
> >>>>>> Benjamin
> >>>>>>
> >>>>>>> Benjamin
> >>>>>>>
> >>>>>>>
> >>>>>>> Benjamin Gaignard (12):
> >>>>>>>      media: uapi: HEVC: Add missing fields in HEVC controls
> >>>>>>>      media: uapi: HEVC: Rename HEVC stateless controls with STATE=
LESS
> >>>>>>>        prefix
> >>>>>>>      media: uapi: HEVC: Add document uAPI structure
> >>>>>>>      media: uapi: HEVC: Define V4L2_CID_STATELESS_HEVC_SLICE_PARA=
MS
> >>>>>>> as a
> >>>>>>>        dynamic array
> >>>>>>>      media: uapi: Move parsed HEVC pixel format out of staging
> >>>>>>>      media: uapi: Add V4L2_CID_STATELESS_HEVC_ENTRY_POINT_OFFSETS
> >>>>>>> control
> >>>>>>>      media: uapi: Move the HEVC stateless control type out of sta=
ging
> >>>>>>>      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: Change data_bit_offset definition
> >>>>>>>      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   | 833
> >>>>>>> ++++++++++++++++++
> >>>>>>>     .../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     |  37 +-
> >>>>>>>     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 +-
> >>>>>>>     .../staging/media/sunxi/cedrus/cedrus_h265.c  |   2 +-
> >>>>>>>     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            | 439 +++++++++
> >>>>>>>     include/uapi/linux/videodev2.h                |  13 +
> >>>>>>>     23 files changed, 1697 insertions(+), 1170 deletions(-)
> >>>>>>>     delete mode 100644 include/media/hevc-ctrls.h
> >>>>>>>     create mode 100644 include/uapi/linux/hantro-media.h
> >>>>>>>