All of lore.kernel.org
 help / color / mirror / Atom feed
From: Helen Koike <helen.koike@collabora.com>
To: linux-media@vger.kernel.org
Cc: hverkuil@xs4all.nl, hans.verkuil@cisco.com,
	laurent.pinchart@ideasonboard.com, kernel@collabora.com,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2] media: doc: pixfmt-yuv: Fix 4:4:4 subsampling info
Date: Mon, 25 Jan 2021 11:10:29 -0300	[thread overview]
Message-ID: <20210125141029.16481-1-helen.koike@collabora.com> (raw)

YUV 4:4:4 is not subsampled, fix this in the docs.

Fixes: da785536e007 ("media: doc: pixfmt-yuv: Move all semi-planar YUV formats to common file")
Signed-off-by: Helen Koike <helen.koike@collabora.com>

---
Changes in v2:

- s/No sub-sampling/The chroma plane is not subsampled/ (Laurent)
- Fixed description regarding the number of bytes (Laurent)
---
 Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
index 7d4d39201a3f..1e0db602cc1b 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst
@@ -396,9 +396,9 @@ number of lines as the luma plane.
 NV24 and NV42
 -------------
 
-Semi-planar YUV 4:4:4 formats. The chroma plane is subsampled by 2 in the
-horizontal direction. Chroma lines contain half the number of pixels and the
-same number of bytes as luma lines, and the chroma plane contains the same
+Semi-planar YUV 4:4:4 formats. The chroma plane is not subsampled.
+Chroma lines contain the same number of pixels and twice the
+number of bytes as luma lines, and the chroma plane contains the same
 number of lines as the luma plane.
 
 .. flat-table:: Sample 4x4 NV24 Image
-- 
2.30.0


             reply	other threads:[~2021-01-26  6:33 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-25 14:10 Helen Koike [this message]
2021-01-25 14:15 ` [PATCH v2] media: doc: pixfmt-yuv: Fix 4:4:4 subsampling info Laurent Pinchart

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=20210125141029.16481-1-helen.koike@collabora.com \
    --to=helen.koike@collabora.com \
    --cc=hans.verkuil@cisco.com \
    --cc=hverkuil@xs4all.nl \
    --cc=kernel@collabora.com \
    --cc=laurent.pinchart@ideasonboard.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.