[FFmpeg-devel] [PATCH] avcodec/hevc/hevcdec: Simplify access to luma plane

[FFmpeg-devel] [PATCH] avcodec/hevc/hevcdec: Simplify access to luma plane

[Andreas Rheinhardt]

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Patch attached.

- Andreas

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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


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