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From: Boris Brezillon <boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
To: Hans Verkuil <hverkuil-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org>
Cc: Nicolas Dufresne
	<nicolas-dDhyB4GVkw9AFePFGvp55w@public.gmane.org>,
	kernel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org,
	Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
	Jonas Karlman <jonas-uIzNG4q0ceqzQB+pC5nmwQ@public.gmane.org>,
	Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
	Paul Kocialkowski
	<paul.kocialkowski-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>,
	linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	Sakari Ailus <sakari.ailus-X3B1VOXEql0@public.gmane.org>,
	Laurent Pinchart
	<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
	Hans Verkuil
	<hans.verkuil-FYB4Gu1CFyUAvxtiuMwx3w@public.gmane.org>,
	Mauro Carvalho Chehab
	<mchehab-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Ezequiel Garcia
	<ezequiel-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>,
	linux-media-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v4 00/21] Add MPEG-2 decoding to Rockchip VPU
Date: Thu, 25 Apr 2019 11:36:39 +0200	[thread overview]
Message-ID: <20190425113639.3294b6d9@collabora.com> (raw)
In-Reply-To: <69d53367-f26a-a3cb-0221-7d9be02ade6e-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org>

On Thu, 25 Apr 2019 10:21:16 +0200
Hans Verkuil <hverkuil@xs4all.nl> wrote:

> On 4/25/19 10:06 AM, Boris Brezillon wrote:
> > On Thu, 25 Apr 2019 09:12:21 +0200
> > Boris Brezillon <boris.brezillon@collabora.com> wrote:
> >   
> >> This series introduces the decoding infrastructure that will be
> >> used to add support for other codecs such as VP8, VP9 and H.264.
> >>
> >> As explained in the cover letter for the v1 patchset,
> >> the driver is now exposing two video device nodes.
> >> The VPU encoder is exposed on /dev/video0, and the VPU decoder
> >> is exposed on /dev/video1. Both devices are tied to the same
> >> memory-to-memory queue, and same media device /dev/media0.
> >>
> >> Therefore there are two media graphs:
> >>
> >> ┌────────────────────────────────┐
> >> │ rockchip,rk3399-vpu-enc-source │
> >> │          /dev/video0           │
> >> └────────────────────────────────┘
> >>   ┃
> >>   ┃
> >>   ▼
> >> ┌────────────────────────────────┐
> >> │  rockchip,rk3399-vpu-enc-proc  │
> >> └────────────────────────────────┘
> >>   ┃
> >>   ┃
> >>   ▼
> >> ┌────────────────────────────────┐
> >> │  rockchip,rk3399-vpu-enc-sink  │
> >> │          /dev/video0           │
> >> └────────────────────────────────┘
> >>
> >> ┌────────────────────────────────┐
> >> │ rockchip,rk3399-vpu-dec-source │
> >> │          /dev/video1           │
> >> └────────────────────────────────┘
> >>   ┃
> >>   ┃
> >>   ▼
> >> ┌────────────────────────────────┐
> >> │  rockchip,rk3399-vpu-dec-proc  │
> >> └────────────────────────────────┘
> >>   ┃
> >>   ┃
> >>   ▼
> >> ┌────────────────────────────────┐
> >> │  rockchip,rk3399-vpu-dec-sink  │
> >> │          /dev/video1           │
> >> └────────────────────────────────┘
> >>
> >> Of course, this work has been possible thanks to Jonas Karlman, who did
> >> the initial MPEG-2 decoding work and also got mpv+ffmpeg working using
> >> the Request API.  
> > 
> > Forgot to provide the v4l2-compliance results, so here it is:
> > 
> > "
> > v4l2-compliance SHA: 95f39aae48c6e8e5cc81e6ae6293d999f70a909b, 64 bits
> > 
> > Compliance test for rockchip-vpu device /dev/media0:
> > 
> > Media Driver Info:
> > 	Driver name      : rockchip-vpu
> > 	Model            : rockchip-vpu
> > 	Serial           : 
> > 	Bus info         : platform: rockchip-vpu
> > 	Media version    : 5.1.0
> > 	Hardware revision: 0x00000000 (0)
> > 	Driver version   : 5.1.0
> > 
> > Required ioctls:
> > 	test MEDIA_IOC_DEVICE_INFO: OK
> > 
> > Allow for multiple opens:
> > 	test second /dev/media0 open: OK
> > 	test MEDIA_IOC_DEVICE_INFO: OK
> > 	test for unlimited opens: OK
> > 
> > Media Controller ioctls:
> > 	test MEDIA_IOC_G_TOPOLOGY: OK
> > 	Entities: 6 Interfaces: 2 Pads: 8 Links: 8
> > 	test MEDIA_IOC_ENUM_ENTITIES/LINKS: OK
> > 	test MEDIA_IOC_SETUP_LINK: OK
> > 
> > Total for rockchip-vpu device /dev/media0: 7, Succeeded: 7, Failed: 0, Warnings: 0
> > --------------------------------------------------------------------------------
> > Compliance test for rockchip-vpu device /dev/video0:
> > 
> > Driver Info:
> > 	Driver name      : rockchip-vpu
> > 	Card type        : rockchip,rk3399-vpu-enc
> > 	Bus info         : platform: rockchip-vpu
> > 	Driver version   : 5.1.0
> > 	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
> > 	Detected JPEG Encoder
> > Media Driver Info:
> > 	Driver name      : rockchip-vpu
> > 	Model            : rockchip-vpu
> > 	Serial           : 
> > 	Bus info         : platform: rockchip-vpu
> > 	Media version    : 5.1.0
> > 	Hardware revision: 0x00000000 (0)
> > 	Driver version   : 5.1.0
> > Interface Info:
> > 	ID               : 0x0300000c
> > 	Type             : V4L Video
> > Entity Info:
> > 	ID               : 0x00000001 (1)
> > 	Name             : rockchip,rk3399-vpu-enc-source
> > 	Function         : V4L2 I/O
> > 	Pad 0x01000002   : 0: Source
> > 	  Link 0x02000008: to remote pad 0x1000005 of entity 'rockchip,rk3399-vpu-enc-proc': Data, Enabled, Immutable
> > 
> > Required ioctls:
> > 	test MC information (see 'Media Driver Info' above): OK
> > 	test VIDIOC_QUERYCAP: OK
> > 
> > Allow for multiple opens:
> > 	test second /dev/video0 open: OK
> > 	test VIDIOC_QUERYCAP: OK
> > 	test VIDIOC_G/S_PRIORITY: OK
> > 	test for unlimited opens: OK
> > 
> > Debug ioctls:
> > 	test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> > 	test VIDIOC_LOG_STATUS: OK (Not Supported)
> > 
> > Input ioctls:
> > 	test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
> > 	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > 	test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
> > 	test VIDIOC_ENUMAUDIO: OK (Not Supported)
> > 	test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
> > 	test VIDIOC_G/S_AUDIO: OK (Not Supported)
> > 	Inputs: 0 Audio Inputs: 0 Tuners: 0
> > 
> > Output ioctls:
> > 	test VIDIOC_G/S_MODULATOR: OK (Not Supported)
> > 	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > 	test VIDIOC_ENUMAUDOUT: OK (Not Supported)
> > 	test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
> > 	test VIDIOC_G/S_AUDOUT: OK (Not Supported)
> > 	Outputs: 0 Audio Outputs: 0 Modulators: 0
> > 
> > Input/Output configuration ioctls:
> > 	test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
> > 	test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
> > 	test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
> > 	test VIDIOC_G/S_EDID: OK (Not Supported)
> > 
> > Control ioctls:
> > 	test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
> > 	test VIDIOC_QUERYCTRL: OK
> > 	test VIDIOC_G/S_CTRL: OK
> > 	test VIDIOC_G/S/TRY_EXT_CTRLS: OK
> > 	test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
> > 	test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
> > 	Standard Controls: 2 Private Controls: 0
> > 
> > Format ioctls:
> > 	test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> > 	test VIDIOC_G/S_PARM: OK (Not Supported)
> > 	test VIDIOC_G_FBUF: OK (Not Supported)
> > 	test VIDIOC_G_FMT: OK
> > 	test VIDIOC_TRY_FMT: OK
> > 	test VIDIOC_S_FMT: OK
> > 	test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
> > 	test Cropping: OK (Not Supported)
> > 	test Composing: OK (Not Supported)
> > 	test Scaling: OK
> > 
> > Codec ioctls:
> > 	test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> > 	test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> > 	test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
> > 
> > Buffer ioctls:
> > 		fail: v4l2-test-buffers.cpp(709): q.create_bufs(node, 1, &fmt) != EINVAL
> > 	test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: FAIL
> > 	test VIDIOC_EXPBUF: OK
> > testRequests:1760 ret 0
> > 		fail: v4l2-test-buffers.cpp(1820): !supports_requests
> > 	test Requests: FAIL
> > 
> > Total for rockchip-vpu device /dev/video0: 45, Succeeded: 43, Failed: 2, Warnings: 0
> > --------------------------------------------------------------------------------
> > Compliance test for rockchip-vpu device /dev/video1:
> > 
> > Driver Info:
> > 	Driver name      : rockchip-vpu
> > 	Card type        : rockchip,rk3399-vpu-dec
> > 	Bus info         : platform: rockchip-vpu
> > 	Driver version   : 5.1.0
> > 	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
> > 	Detected Stateless Decoder
> > Media Driver Info:
> > 	Driver name      : rockchip-vpu
> > 	Model            : rockchip-vpu
> > 	Serial           : 
> > 	Bus info         : platform: rockchip-vpu
> > 	Media version    : 5.1.0
> > 	Hardware revision: 0x00000000 (0)
> > 	Driver version   : 5.1.0
> > Interface Info:
> > 	ID               : 0x0300001a
> > 	Type             : V4L Video
> > Entity Info:
> > 	ID               : 0x0000000f (15)
> > 	Name             : rockchip,rk3399-vpu-dec-source
> > 	Function         : V4L2 I/O
> > 	Pad 0x01000010   : 0: Source
> > 	  Link 0x02000016: to remote pad 0x1000013 of entity 'rockchip,rk3399-vpu-dec-proc': Data, Enabled, Immutable
> > 
> > Required ioctls:
> > 	test MC information (see 'Media Driver Info' above): OK
> > 	test VIDIOC_QUERYCAP: OK
> > 
> > Allow for multiple opens:
> > 	test second /dev/video1 open: OK
> > 	test VIDIOC_QUERYCAP: OK
> > 	test VIDIOC_G/S_PRIORITY: OK
> > 	test for unlimited opens: OK
> > 
> > Debug ioctls:
> > 	test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported)
> > 	test VIDIOC_LOG_STATUS: OK (Not Supported)
> > 
> > Input ioctls:
> > 	test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported)
> > 	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > 	test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported)
> > 	test VIDIOC_ENUMAUDIO: OK (Not Supported)
> > 	test VIDIOC_G/S/ENUMINPUT: OK (Not Supported)
> > 	test VIDIOC_G/S_AUDIO: OK (Not Supported)
> > 	Inputs: 0 Audio Inputs: 0 Tuners: 0
> > 
> > Output ioctls:
> > 	test VIDIOC_G/S_MODULATOR: OK (Not Supported)
> > 	test VIDIOC_G/S_FREQUENCY: OK (Not Supported)
> > 	test VIDIOC_ENUMAUDOUT: OK (Not Supported)
> > 	test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported)
> > 	test VIDIOC_G/S_AUDOUT: OK (Not Supported)
> > 	Outputs: 0 Audio Outputs: 0 Modulators: 0
> > 
> > Input/Output configuration ioctls:
> > 	test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported)
> > 	test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported)
> > 	test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported)
> > 	test VIDIOC_G/S_EDID: OK (Not Supported)
> > 
> > Control ioctls:
> > 	test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK
> > 	test VIDIOC_QUERYCTRL: OK
> > 	test VIDIOC_G/S_CTRL: OK
> > 		fail: v4l2-test-controls.cpp(673): try_ext_ctrls returned an error (22)
> > 	test VIDIOC_G/S/TRY_EXT_CTRLS: FAIL
> > 	test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK
> > 	test VIDIOC_G/S_JPEGCOMP: OK (Not Supported)
> > 	Standard Controls: 2 Private Controls: 0
> > 
> > Format ioctls:
> > 	test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK
> > 	test VIDIOC_G/S_PARM: OK (Not Supported)
> > 	test VIDIOC_G_FBUF: OK (Not Supported)
> > 	test VIDIOC_G_FMT: OK
> > 	test VIDIOC_TRY_FMT: OK
> > 		fail: v4l2-test-formats.cpp(806): fmt_cap.g_colorspace() != col
> > 	test VIDIOC_S_FMT: FAIL
> > 	test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported)
> > 	test Cropping: OK (Not Supported)
> > 	test Composing: OK (Not Supported)
> > 	test Scaling: OK
> > 
> > Codec ioctls:
> > 	test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported)
> > 	test VIDIOC_G_ENC_INDEX: OK (Not Supported)
> > 	test VIDIOC_(TRY_)DECODER_CMD: OK (Not Supported)
> > 
> > Buffer ioctls:
> > 		fail: v4l2-test-buffers.cpp(709): q.create_bufs(node, 1, &fmt) != EINVAL
> > 	test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: FAIL
> > 	test VIDIOC_EXPBUF: OK
> > 	test Requests: OK (Not Supported)
> > 
> > Total for rockchip-vpu device /dev/video1: 45, Succeeded: 42, Failed: 3, Warnings: 0
> > 
> > Grand Total for rockchip-vpu device /dev/media0: 97, Succeeded: 92, Failed: 5, Warnings: 0
> > 
> > "
> > 
> > 2 of those failures are expected: 
> > 
> > * "fail: v4l2-test-formats.cpp(806): fmt_cap.g_colorspace() != col": is caused
> >   by the reset done by the driver on the non-coded end when the coded end of
> >   the pipeline is modified (which follows the behavior described in stateless
> >   decoder spec)  
> 
> So is this a driver FIXME, or an issue in the compliance test itself?

Looks like the spec mandates the opposite, so it's a driver bug. I'll
fix that. The main issue I see is that the RK encoder code has this
comment:

        /*
         * Current raw format might have become invalid with newly
         * selected codec, so reset it to default just to be safe and
         * keep internal driver state sane. User is mandated to set
         * the raw format again after we return, so we don't need
         * anything smarter.
         */

Does that mean we have a different behavior between encoders and
decoders?

> 
> > 
> > * "fail: v4l2-test-controls.cpp(673): try_ext_ctrls returned an error (22)":
> >   default values for mpeg2 ctrls are not suitable, so doing
> >   get_ext_ctrl()+try_ext_ctrl() does not work.  
> 
> Hmm, this might require some changes to this test. Where does it fail in the
> driver? Is that the std_validate() check in v4l2-ctrls.c?

Don't remember where it complained exactly, but it was in some generic
function, yes.

> 
> If so, then I think it would be wise to add an initializer for V4L2_CTRL_TYPE_MPEG2_SLICE_PARAMS
> to std_init() so that it creates a proper default.

Okay.

> 
> I also noticed that support for these new compound types is missing in
> the std_log() function in v4l2-ctrls.c. It should probably log the
> type. Check with v4l2-ctl --log-status to see how it looks in the
> kernel log.

Will look at it too.

> Obviously, this can be done in a separate patch since it's
> independent of the rockchip driver.

Sure.

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  parent reply	other threads:[~2019-04-25  9:36 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-25  7:12 [PATCH v4 00/21] Add MPEG-2 decoding to Rockchip VPU Boris Brezillon
     [not found] ` <20190425071242.18315-1-boris.brezillon-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2019-04-25  7:12   ` [PATCH v4 01/21] rockchip/vpu: Use pixel format helpers Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 02/21] rockchip/vpu: Use v4l2_m2m_buf_copy_metadata Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 03/21] rockchip/vpu: Cleanup macroblock alignment Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 04/21] rockchip/vpu: Cleanup JPEG bounce buffer management Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 05/21] rockchip/vpu: Remove a useless test Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 06/21] rockchip/vpu: Do not request id 0 for our video device Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 07/21] rockchip/vpu: Add missing dont_use_autosuspend() calls Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 08/21] rockchip/vpu: Get vdev from the file arg in vidioc_querycap() Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 09/21] rockchip/vpu: Initialize mdev->bus_info Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 10/21] rockchip/vpu: Fix/re-order probe-error/remove path Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 11/21] rockchip/vpu: Open-code media controller register Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 12/21] rockchip/vpu: Support the Request API Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 13/21] rockchip/vpu: Rename rockchip_vpu_common.h into rockchip_vpu_v4l2.h Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 14/21] rockchip/vpu: Move encoder logic to a common place Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 15/21] rockchip/vpu: Provide a helper to reset both src and dst formats Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 16/21] rockchip/vpu: Prepare things to support decoders Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 17/21] rockchip/vpu: Add decoder boilerplate Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 18/21] rockchip/vpu: Add support for non-standard controls Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 19/21] rockchip/vpu: Add infra to support MPEG-2 decoding Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 20/21] rockchip/vpu: Add MPEG2 decoding support to RK3399 Boris Brezillon
2019-04-25  7:12   ` [PATCH v4 21/21] rockchip/vpu: Add support for MPEG-2 decoding on RK3288 Boris Brezillon
2019-04-25  8:06   ` [PATCH v4 00/21] Add MPEG-2 decoding to Rockchip VPU Boris Brezillon
     [not found]     ` <20190425100628.6f8e5894-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2019-04-25  8:15       ` Boris Brezillon
2019-04-25  8:21       ` Hans Verkuil
     [not found]         ` <69d53367-f26a-a3cb-0221-7d9be02ade6e-qWit8jRvyhVmR6Xm/wNWPw@public.gmane.org>
2019-04-25  9:36           ` Boris Brezillon [this message]
     [not found]             ` <20190425113639.3294b6d9-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2019-04-25  9:41               ` Hans Verkuil
2019-04-25  8:27   ` Hans Verkuil

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