Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
 help / color / mirror / Atom feed
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: [FFmpeg-devel] [PATCH] avcodec/hevc/hevcdec: Simplify access to luma plane
Date: Mon, 17 Mar 2025 21:10:34 +0100
Message-ID: <AS8P250MB07440E1CC38DB50D8F42C47A8FDF2@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM> (raw)

[-- Attachment #1: Type: text/plain, Size: 27 bytes --]

Patch attached.

- Andreas

[-- Attachment #2: 0001-avcodec-hevc-hevcdec-Simplify-access-to-luma-plane.patch --]
[-- Type: text/x-patch, Size: 1113 bytes --]

From 4c0e8ec660092fa4a8ce6ed2a0173395c92dbd93 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Mon, 17 Mar 2025 20:01:22 +0100
Subject: [PATCH] avcodec/hevc/hevcdec: Simplify access to luma plane

It is always set and does not use subsampling.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/hevc/hevcdec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/hevc/hevcdec.c b/libavcodec/hevc/hevcdec.c
index 20ef821819..e0ca1b9690 100644
--- a/libavcodec/hevc/hevcdec.c
+++ b/libavcodec/hevc/hevcdec.c
@@ -2125,7 +2125,7 @@ static void hls_prediction_unit(HEVCLocalContext *lc,
     const RefPicList *refPicList = s->cur_frame->refPicList;
     const HEVCFrame *ref0 = NULL, *ref1 = NULL;
     const int *linesize = s->cur_frame->f->linesize;
-    uint8_t *dst0 = POS(0, x0, y0);
+    uint8_t *dst0 = s->cur_frame->f->data[0] + y0 * linesize[0] + (x0 << sps->pixel_shift);
     uint8_t *dst1 = POS(1, x0, y0);
     uint8_t *dst2 = POS(2, x0, y0);
     int log2_min_cb_size = sps->log2_min_cb_size;
-- 
2.45.2


[-- Attachment #3: Type: text/plain, Size: 251 bytes --]

_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

                 reply	other threads:[~2025-03-17 20:10 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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=AS8P250MB07440E1CC38DB50D8F42C47A8FDF2@AS8P250MB0744.EURP250.PROD.OUTLOOK.COM \
    --to=andreas.rheinhardt@outlook.com \
    --cc=ffmpeg-devel@ffmpeg.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

Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
		ffmpegdev@gitmailbox.com
	public-inbox-index ffmpegdev

Example config snippet for mirrors.


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git