From: "Jernej Škrabec" <jernej.skrabec@gmail.com>
To: hverkuil@xs4all.nl, ezequiel@collabora.com,
p.zabel@pengutronix.de, mchehab@kernel.org, shawnguo@kernel.org,
s.hauer@pengutronix.de, festevam@gmail.com,
gregkh@linuxfoundation.org, mripard@kernel.org,
paul.kocialkowski@bootlin.com, wens@csie.org,
jernej.skrabec@siol.net, emil.l.velikov@gmail.com,
andrzej.p@collabora.com, jc@kynesim.co.uk,
Benjamin Gaignard <benjamin.gaignard@collabora.com>
Cc: kernel@pengutronix.de, linux-imx@nxp.com,
linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Benjamin Gaignard <benjamin.gaignard@collabora.com>
Subject: Re: [PATCH 7/8] media: hevc: Add scaling matrix control
Date: Sun, 06 Jun 2021 09:49:31 +0200 [thread overview]
Message-ID: <2618802.xq3rs0cueg@kista> (raw)
In-Reply-To: <20210604130619.491200-8-benjamin.gaignard@collabora.com>
Hi!
Dne petek, 04. junij 2021 ob 15:06:18 CEST je Benjamin Gaignard napisal(a):
> HEVC scaling lists are used for the scaling process for transform
> coefficients.
> V4L2_HEVC_SPS_FLAG_SCALING_LIST_ENABLED has to set when they are
> encoded in the bitstream.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
> ---
> .../media/v4l/ext-ctrls-codec.rst | 45 +++++++++++++++++++
> .../media/v4l/vidioc-queryctrl.rst | 6 +++
> drivers/media/v4l2-core/v4l2-ctrls-core.c | 6 +++
> drivers/media/v4l2-core/v4l2-ctrls-defs.c | 4 ++
> include/media/hevc-ctrls.h | 11 +++++
> 5 files changed, 72 insertions(+)
>
> diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst b/
Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> index 9120c5bcaf90..a4512b7cb520 100644
> --- a/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-codec.rst
> @@ -3065,6 +3065,51 @@ enum v4l2_mpeg_video_hevc_size_of_length_field -
>
> \normalsize
>
> +``V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (struct)``
> + Specifies the HEVC scaling matrix parameters used for the scaling
process
> + for transform coefficients.
> + These matrix and parameters are defined according to :ref:`hevc`.
> + They are described in section 7.4.5 "Scaling list data semantics" of
> + the specification.
> +
> +.. c:type:: v4l2_ctrl_hevc_scaling_matrix
> +
> +.. raw:: latex
> +
> + \scriptsize
> +
> +.. tabularcolumns:: |p{5.4cm}|p{6.8cm}|p{5.1cm}|
> +
> +.. cssclass:: longtable
> +
> +.. flat-table:: struct v4l2_ctrl_hevc_slice_params
^ copy paste error? It should be v4l2_ctrl_hevc_scaling_matrix.
Best regards,
Jernej
> + :header-rows: 0
> + :stub-columns: 0
> + :widths: 1 1 2
> +
> + * - __u8
> + - ``scaling_list_4x4[6][16]``
> + -
> + * - __u8
> + - ``scaling_list_8x8[6][64]``
> + -
> + * - __u8
> + - ``scaling_list_16x16[6][64]``
> + -
> + * - __u8
> + - ``scaling_list_32x32[2][64]``
> + -
> + * - __u8
> + - ``scaling_list_dc_coef_16x16[6]``
> + -
> + * - __u8
> + - ``scaling_list_dc_coef_32x32[2]``
> + -
> +
> +.. raw:: latex
> +
> + \normalsize
> +
> .. c:type:: v4l2_hevc_dpb_entry
>
> .. raw:: latex
> diff --git a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst b/
Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst
> index f9ecf6276129..2f491c17dd5d 100644
> --- a/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst
> +++ b/Documentation/userspace-api/media/v4l/vidioc-queryctrl.rst
> @@ -495,6 +495,12 @@ See also the examples in :ref:`control`.
> - n/a
> - A struct :c:type:`v4l2_ctrl_hevc_slice_params`, containing HEVC
> slice parameters for stateless video decoders.
> + * - ``V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX``
> + - n/a
> + - n/a
> + - n/a
> + - A struct :c:type:`v4l2_ctrl_hevc_scaling_matrix`, containing HEVC
> + scaling matrix for stateless video decoders.
> * - ``V4L2_CTRL_TYPE_VP8_FRAME``
> - n/a
> - n/a
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-
core/v4l2-ctrls-core.c
> index c4b5082849b6..70adfc1b9c81 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
> @@ -687,6 +687,9 @@ static int std_validate_compound(const struct v4l2_ctrl
*ctrl, u32 idx,
>
> break;
>
> + case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX:
> + break;
> +
> case V4L2_CTRL_TYPE_AREA:
> area = p;
> if (!area->width || !area->height)
> @@ -1240,6 +1243,9 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct
v4l2_ctrl_handler *hdl,
> case V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS:
> elem_size = sizeof(struct v4l2_ctrl_hevc_slice_params);
> break;
> + case V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX:
> + elem_size = sizeof(struct
v4l2_ctrl_hevc_scaling_matrix);
> + break;
> case V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS:
> elem_size = sizeof(struct
v4l2_ctrl_hevc_decode_params);
> break;
> diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-
core/v4l2-ctrls-defs.c
> index b6344bbf1e00..cb29c2a7fabe 100644
> --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c
> +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c
> @@ -996,6 +996,7 @@ const char *v4l2_ctrl_get_name(u32 id)
> case V4L2_CID_MPEG_VIDEO_HEVC_SPS:
return "HEVC Sequence Parameter Set";
> case V4L2_CID_MPEG_VIDEO_HEVC_PPS:
return "HEVC Picture Parameter Set";
> case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS: return
"HEVC Slice Parameters";
> + case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX:
return "HEVC Scaling Matrix";
> case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS:
return "HEVC Decode Parameters";
> case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE: return "HEVC
Decode Mode";
> case V4L2_CID_MPEG_VIDEO_HEVC_START_CODE: return
"HEVC Start Code";
> @@ -1488,6 +1489,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum
v4l2_ctrl_type *type,
> case V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS:
> *type = V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS;
> break;
> + case V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX:
> + *type = V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX;
> + break;
> case V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS:
> *type = V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS;
> break;
> diff --git a/include/media/hevc-ctrls.h b/include/media/hevc-ctrls.h
> index dc964ff7cd29..da6189ef7ab4 100644
> --- a/include/media/hevc-ctrls.h
> +++ b/include/media/hevc-ctrls.h
> @@ -19,6 +19,7 @@
> #define V4L2_CID_MPEG_VIDEO_HEVC_SPS (V4L2_CID_CODEC_BASE +
1008)
> #define V4L2_CID_MPEG_VIDEO_HEVC_PPS (V4L2_CID_CODEC_BASE +
1009)
> #define V4L2_CID_MPEG_VIDEO_HEVC_SLICE_PARAMS (V4L2_CID_CODEC_BASE +
1010)
> +#define V4L2_CID_MPEG_VIDEO_HEVC_SCALING_MATRIX (V4L2_CID_CODEC_BASE +
1011)
> #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_PARAMS (V4L2_CID_CODEC_BASE +
1012)
> #define V4L2_CID_MPEG_VIDEO_HEVC_DECODE_MODE (V4L2_CID_CODEC_BASE +
1015)
> #define V4L2_CID_MPEG_VIDEO_HEVC_START_CODE (V4L2_CID_CODEC_BASE +
1016)
> @@ -27,6 +28,7 @@
> #define V4L2_CTRL_TYPE_HEVC_SPS 0x0120
> #define V4L2_CTRL_TYPE_HEVC_PPS 0x0121
> #define V4L2_CTRL_TYPE_HEVC_SLICE_PARAMS 0x0122
> +#define V4L2_CTRL_TYPE_HEVC_SCALING_MATRIX 0x0123
> #define V4L2_CTRL_TYPE_HEVC_DECODE_PARAMS 0x0124
>
> enum v4l2_mpeg_video_hevc_decode_mode {
> @@ -225,6 +227,15 @@ struct v4l2_ctrl_hevc_decode_params {
> __u64 flags;
> };
>
> +struct v4l2_ctrl_hevc_scaling_matrix {
> + __u8 scaling_list_4x4[6][16];
> + __u8 scaling_list_8x8[6][64];
> + __u8 scaling_list_16x16[6][64];
> + __u8 scaling_list_32x32[2][64];
> + __u8 scaling_list_dc_coef_16x16[6];
> + __u8 scaling_list_dc_coef_32x32[2];
> +};
> +
> /* MPEG-class control IDs specific to the Hantro driver as defined by V4L2
*/
> #define V4L2_CID_CODEC_HANTRO_BASE
(V4L2_CTRL_CLASS_CODEC | 0x1200)
> /*
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-06 7:52 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-04 13:06 [PATCH 0/8] Additional features for Hantro HEVC Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 1/8] media: hantro: Trace hevc hw cycles performance register Benjamin Gaignard
2021-06-13 9:53 ` Hans Verkuil
2021-06-13 9:55 ` Hans Verkuil
2021-06-14 7:45 ` Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 2/8] media: hantro: Add support of compressed reference buffers Benjamin Gaignard
2021-06-04 16:32 ` Ezequiel Garcia
2021-06-07 13:27 ` Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 3/8] media: hantro: hevc: Allow 10-bits encoded streams Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 4/8] media: Add P010 video format Benjamin Gaignard
2021-06-04 16:17 ` Nicolas Dufresne
2021-06-07 11:31 ` Benjamin Gaignard
2021-06-09 17:58 ` Nicolas Dufresne
2021-06-04 13:06 ` [PATCH 5/8] media: hantro: hevc: Allow to produce 10-bit frames Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 6/8] media: hantro: enumerate scaled output formats Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 7/8] media: hevc: Add scaling matrix control Benjamin Gaignard
2021-06-06 7:49 ` Jernej Škrabec [this message]
2021-06-07 7:23 ` Benjamin Gaignard
2021-06-04 13:06 ` [PATCH 8/8] media: hantro: Add scaling lists feature Benjamin Gaignard
2021-06-04 16:49 ` [PATCH 0/8] Additional features for Hantro HEVC Ezequiel Garcia
2021-06-07 11:20 ` Benjamin Gaignard
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=2618802.xq3rs0cueg@kista \
--to=jernej.skrabec@gmail.com \
--cc=andrzej.p@collabora.com \
--cc=benjamin.gaignard@collabora.com \
--cc=emil.l.velikov@gmail.com \
--cc=ezequiel@collabora.com \
--cc=festevam@gmail.com \
--cc=gregkh@linuxfoundation.org \
--cc=hverkuil@xs4all.nl \
--cc=jc@kynesim.co.uk \
--cc=jernej.skrabec@siol.net \
--cc=kernel@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=mchehab@kernel.org \
--cc=mripard@kernel.org \
--cc=p.zabel@pengutronix.de \
--cc=paul.kocialkowski@bootlin.com \
--cc=s.hauer@pengutronix.de \
--cc=shawnguo@kernel.org \
--cc=wens@csie.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).