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Date: Fri, 4 Mar 2022 14:03:34 +0100
From: Benjamin Gaignard <benjamin.gaignard@...labora.com>
To: Adam Ford <aford173@...il.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
Le 04/03/2022 à 13:59, Adam Ford a écrit :
> 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?
You can use this branch:
https://gitlab.freedesktop.org/benjamin.gaignard1/gstreamer/-/tree/HEVC_aligned_with_kernel_5.15
It is the one used to create the merge request for h265 plugin.
Benjamin
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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