From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Ezequiel Garcia <ezequiel@collabora.com>
Cc: linux-arm-kernel@lists.infradead.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
acourbot@chromium.org, jonas@kwiboo.se, jenskuske@gmail.com,
linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,
jernej.skrabec@gmail.com, tfiga@chromium.org,
Paul Kocialkowski <paul.kocialkowski@bootlin.com>,
Chen-Yu Tsai <wens@csie.org>,
hans.verkuil@cisco.com,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
sakari.ailus@linux.intel.com, Guenter Roeck <groeck@chromium.org>,
nicolas.dufresne@collabora.com, posciak@chromium.org,
linux-media@vger.kernel.org
Subject: Re: [PATCH v3 1/2] media: uapi: Add H264 low-level decoder API compound controls.
Date: Tue, 12 Feb 2019 11:23:24 +0100 [thread overview]
Message-ID: <20190212102324.3tdurso54fumlkwr@flea> (raw)
In-Reply-To: <209bafb880bd9410f875f5e6f16923e38ec76df4.camel@collabora.com>
[-- Attachment #1.1: Type: text/plain, Size: 1389 bytes --]
On Mon, Feb 11, 2019 at 02:12:25PM -0300, Ezequiel Garcia wrote:
> On Mon, 2019-02-11 at 15:39 +0100, Maxime Ripard wrote:
> >
> > diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
> > index d6eed479c3a6..6fc955926bdb 100644
> > --- a/include/uapi/linux/videodev2.h
> > +++ b/include/uapi/linux/videodev2.h
> > @@ -645,6 +645,7 @@ struct v4l2_pix_format {
> > #define V4L2_PIX_FMT_H264 v4l2_fourcc('H', '2', '6', '4') /* H264 with start codes */
> > #define V4L2_PIX_FMT_H264_NO_SC v4l2_fourcc('A', 'V', 'C', '1') /* H264 without start codes */
> > #define V4L2_PIX_FMT_H264_MVC v4l2_fourcc('M', '2', '6', '4') /* H264 MVC */
> > +#define V4L2_PIX_FMT_H264_SLICE v4l2_fourcc('S', '2', '6', '4') /* H264 parsed slices */
>
> Nicolas and I have discussed the pixel format, and came up with
> the following proposal.
>
> Given this format represents H264 parsed slices, without any start code,
> perhpaps we name it as:
>
> V4L2_PIX_FMT_H264_SLICE_RAW
>
> Then, we'd also add:
>
> V4L2_PIX_FMT_H264_SLICE_ANNEX_B
>
> To represent H264 parsed slices with annex B (3- or 4-byte) start code.
> This one is what the Rockchip VPU driver would expose.
>
> Ideas?
I think we discussed that idea already, and I'm all for it.
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
[-- Attachment #1.2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
[-- Attachment #2: Type: text/plain, Size: 176 bytes --]
_______________________________________________
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:[~2019-02-12 10:23 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-11 14:39 [PATCH v3 0/2] media: cedrus: Add H264 decoding support Maxime Ripard
2019-02-11 14:39 ` [PATCH v3 1/2] media: uapi: Add H264 low-level decoder API compound controls Maxime Ripard
2019-02-11 15:16 ` Hans Verkuil
2019-02-11 15:21 ` Hans Verkuil
2019-02-12 13:05 ` Maxime Ripard
2019-02-12 21:17 ` Ezequiel Garcia
2019-02-11 17:16 ` Nicolas Dufresne
2019-02-11 17:12 ` Ezequiel Garcia
2019-02-12 10:23 ` Maxime Ripard [this message]
2019-02-11 19:53 ` Ezequiel Garcia
2019-02-11 14:39 ` [PATCH v3 2/2] media: cedrus: Add H264 decoding support Maxime Ripard
2019-02-11 19:21 ` [linux-sunxi] " Jernej Škrabec
2019-02-12 10:43 ` Maxime Ripard
2019-02-12 17:46 ` Jernej Škrabec
2019-02-11 19:48 ` Ezequiel Garcia
2019-02-12 12:47 ` Maxime Ripard
2019-02-12 17:40 ` Jernej Škrabec
2019-02-14 20:42 ` Jernej Škrabec
2019-02-14 21:27 ` Jernej Škrabec
2019-02-12 12:50 ` [PATCH v3 0/2] " Tomasz Figa
2019-02-12 21:22 ` Ezequiel Garcia
2019-02-13 3:02 ` Tomasz Figa
2019-02-13 16:28 ` Ezequiel Garcia
2019-02-14 15:47 ` Maxime Ripard
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=20190212102324.3tdurso54fumlkwr@flea \
--to=maxime.ripard@bootlin.com \
--cc=acourbot@chromium.org \
--cc=ezequiel@collabora.com \
--cc=groeck@chromium.org \
--cc=hans.verkuil@cisco.com \
--cc=jenskuske@gmail.com \
--cc=jernej.skrabec@gmail.com \
--cc=jonas@kwiboo.se \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-sunxi@googlegroups.com \
--cc=nicolas.dufresne@collabora.com \
--cc=paul.kocialkowski@bootlin.com \
--cc=posciak@chromium.org \
--cc=sakari.ailus@linux.intel.com \
--cc=tfiga@chromium.org \
--cc=thomas.petazzoni@bootlin.com \
--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).