Re: [PATCH v4 00/15] Move HEVC stateless controls out of staging

From: Adam Ford
Date: Wed Apr 06 2022 - 11:37:19 EST

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On Wed, Apr 6, 2022 at 7:41 AM Benjamin Gaignard
<benjamin.gaignard@xxxxxxxxxxxxx> wrote:
>
>
> Le 06/04/2022 à 14:28, Adam Ford a écrit :
> > On Wed, Apr 6, 2022 at 1:56 AM Benjamin Gaignard
> > <benjamin.gaignard@xxxxxxxxxxxxx> wrote:
> >>
> >> Le 05/04/2022 à 23:27, Adam Ford a écrit :
> >>> On Mon, Apr 4, 2022 at 10:56 AM Benjamin Gaignard
> >>> <benjamin.gaignard@xxxxxxxxxxxxx> wrote:
> >>>> Le 02/04/2022 à 18:59, Adam Ford a écrit :
> >>>>> On Sat, Apr 2, 2022 at 11:22 AM Adam Ford <aford173@xxxxxxxxx> wrote:
> >>>>>> On Fri, Apr 1, 2022 at 8:18 AM Benjamin Gaignard
> >>>>>> <benjamin.gaignard@xxxxxxxxxxxxx> wrote:
> >>>>>>> Le 31/03/2022 à 08:53, Benjamin Gaignard a écrit :
> >>>>>>>> Le 30/03/2022 à 20:52, Adam Ford a écrit :
> >>>>>>>>> On Wed, Mar 30, 2022 at 2:53 AM Benjamin Gaignard
> >>>>>>>>> <benjamin.gaignard@xxxxxxxxxxxxx> wrote:
> >>>>>>>>>> Le 28/02/2022 à 15:08, Benjamin Gaignard a écrit :
> >>>>>>>>>>> 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.
> >>>>>>>>>>>
> >>>>>>>>>>> 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 codec.
> >>>>>>>>>> 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=0 ! h265parse ! v4l2slh265dec ! fakesink
> >>>>>>>
> >>>>>>> so if one of them is missing it won't work.
> >>>>>> gst-launch-1.0 appsrc num-buffers=0 ! h265parse ! v4l2slh265dec ! fakesink
> >>>>>> 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(155):
> >>>>>> 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(2909):
> >>>>>> 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_5.15 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... ❌
> >> Still the same error about non supported control ?
> > # gst-lagst-launch-1.0 appsrc num-buffers=0 ! h265parse !
> > v4l2slh265dec ! fakesink
> > Setting pipeline to PAUSED ...
> > 0:00:01.704385508 420 0xaaaaec0a76c0 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(155):
> > 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(2909):
> > 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 ...
>
> What is the result of v4l2-ctl ?
> Here I have:
> v4l2-ctl --all -d 1
> Driver Info:
> Driver name : hantro-vpu
> Card type : nxp,imx8mq-vpu-g2-dec
> Bus info : platform: hantro-vpu
> Driver version : 5.18.0
> Capabilities : 0x84204000
> Video Memory-to-Memory Multiplanar
> Streaming
> Extended Pix Format
> Device Capabilities
> Device Caps : 0x04204000
> Video Memory-to-Memory Multiplanar
> Streaming
> Extended Pix Format
> Media Driver Info:
> Driver name : hantro-vpu
> Model : hantro-vpu
> Serial :
> Bus info : platform: hantro-vpu
> Media version : 5.18.0
> Hardware revision: 0x00000000 (0)
> Driver version : 5.18.0
> Interface Info:
> ID : 0x0300000c
> Type : V4L Video
> Entity Info:
> ID : 0x00000001 (1)
> Name : nxp,imx8mq-vpu-g2-dec-source
> Function : V4L2 I/O
> Pad 0x01000002 : 0: Source
> Link 0x02000008: to remote pad 0x1000004 of entity 'nxp,imx8mq-vpu-g2-dec-proc': Data, Enabled, Immutable
> Priority: 2
> Format Video Capture Multiplanar:
> Width/Height : 48/48
> Pixel Format : 'VT12' (Y/CbCr 4:2:0 (4x4 Linear))
> Field : None
> Number of planes : 1
> Flags :
> Colorspace : JPEG
> Transfer Function : Default
> YCbCr/HSV Encoding: Default
> Quantization : Default
> Plane 0 :
> Bytes per Line : 48
> Size Image : 3600
> Format Video Output Multiplanar:
> Width/Height : 48/48
> Pixel Format : 'S265' (HEVC Parsed Slice Data)
> Field : None
> Number of planes : 1
> Flags :
> Colorspace : JPEG
> Transfer Function : Default
> YCbCr/HSV Encoding: Default
> Quantization : Default
> Plane 0 :
> Bytes per Line : 0
> Size Image : 4608
>
> User Controls
>
> hantro_hevc_slice_header_skip_b 0x00981a80 (int) : min=0 max=256 step=1 default=0 value=0
>
> Codec Controls
>
> hevc_profile 0x00990b67 (menu) : min=0 max=2 default=0 value=0
> 0: Main
> 1: Main Still Picture
> 2: Main 10
> hevc_level 0x00990b68 (menu) : min=0 max=8 default=0 value=0
> 0: 1
> 1: 2
> 2: 2.1
> 3: 3
> 4: 3.1
> 5: 4
> 6: 4.1
> 7: 5
> 8: 5.1
>
> Stateless Codec Controls
>
> vp9_frame_decode_parameters 0x00a40a2c (unknown): type=261 flags=has-payload
> vp9_probabilities_updates 0x00a40a2d (unknown): type=260 flags=has-payload
> hevc_sequence_parameter_set 0x00a40a90 (unknown): type=270 flags=has-payload
> hevc_picture_parameter_set 0x00a40a91 (unknown): type=271 flags=has-payload
> hevc_scaling_matrix 0x00a40a93 (unknown): type=273 flags=has-payload
> hevc_decode_parameters 0x00a40a94 (unknown): type=274 flags=has-payload
> hevc_decode_mode 0x00a40a95 (menu) : min=1 max=1 default=1 value=1
> 1: Frame-Based
> hevc_start_code 0x00a40a96 (menu) : min=1 max=1 default=1 value=1
> 1: Annex B Start Code
>

Mine looks like:

# v4l2-ctl --all -d 1
Driver Info:
Driver name : hantro-vpu
Card type : nxp,imx8mq-vpu-g2-dec
Bus info : platform: hantro-vpu
Driver version : 5.18.0
Capabilities : 0x84204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Device Capabilities
Device Caps : 0x04204000
Video Memory-to-Memory Multiplanar
Streaming
Extended Pix Format
Media Driver Info:
Driver name : hantro-vpu
Model : hantro-vpu
Serial :
Bus info : platform: hantro-vpu
Media version : 5.18.0
Hardware revision: 0x00000000 (0)
Driver version : 5.18.0
Interface Info:
ID : 0x0300000c
Type : V4L Video
Entity Info:
ID : 0x00000001 (1)
Name : nxp,imx8mq-vpu-g2-dec-source
Function : V4L2 I/O
Pad 0x01000002 : 0: Source
Link 0x02000008: to remote pad 0x1000004 of entity
'nxp,imx8mq-vpu-g2-dec-proc': Data, Enabled, Immutable
Priority: 2
Format Video Capture Multiplanar:
Width/Height : 48/48
Pixel Format : 'VT12' (Y/CbCr 4:2:0 (4x4 Linear))
Field : None
Number of planes : 1
Flags :
Colorspace : JPEG
Transfer Function : Default
YCbCr/HSV Encoding: Default
Quantization : Default
Plane 0 :
Bytes per Line : 48
Size Image : 3600
Format Video Output Multiplanar:
Width/Height : 48/48
Pixel Format : 'S265' (HEVC Parsed Slice Data)
Field : None
Number of planes : 1
Flags :
Colorspace : JPEG
Transfer Function : Default
YCbCr/HSV Encoding: Default
Quantization : Default
Plane 0 :
Bytes per Line : 0
Size Image : 4608

User Controls

hantro_hevc_slice_header_skip_b 0x00981a80 (int) : min=0 max=256
step=1 default=0 value=0

Codec Controls

hevc_profile 0x00990b67 (menu) : min=0 max=2
default=0 value=0
0: Main
1: Main Still Picture
2: Main 10
hevc_level 0x00990b68 (menu) : min=0 max=8
default=0 value=0
0: 1
1: 2
2: 2.1
3: 3
4: 3.1
5: 4
6: 4.1
7: 5
8: 5.1

Stateless Codec Controls

vp9_frame_decode_parameters 0x00a40a2c (unknown): type=261 flags=has-payload
vp9_probabilities_updates 0x00a40a2d (unknown): type=260 flags=has-payload
hevc_sequence_parameter_set 0x00a40a90 (unknown): type=270 flags=has-payload
hevc_picture_parameter_set 0x00a40a91 (unknown): type=271 flags=has-payload
hevc_scaling_matrix 0x00a40a93 (unknown): type=273 flags=has-payload
hevc_decode_parameters 0x00a40a94 (unknown): type=274 flags=has-payload
hevc_decode_mode 0x00a40a95 (menu) : min=1 max=1
default=1 value=1
1: Frame-Based
hevc_start_code 0x00a40a96 (menu) : min=1 max=1
default=1 value=1
1: Annex B Start Code

> >
> >> Benjamin
> >>
> >>> 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 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_OFFSETS
> >>>>>>>>>>> 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: 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
> >>>>>>>>>>>

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