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From: Niklas Haas <ffmpeg@haasn.xyz>
To: ffmpeg-devel@ffmpeg.org
Cc: Niklas Haas <git@haasn.dev>
Subject: [FFmpeg-devel] [PATCH 2/2] swscale/swscale_unscaled: avoid nv12 <-> nv21 bug
Date: Sun, 16 Mar 2025 13:52:24 +0100
Message-ID: <20250316125224.7616-2-ffmpeg@haasn.xyz> (raw)
In-Reply-To: <20250316125224.7616-1-ffmpeg@haasn.xyz>

From: Niklas Haas <git@haasn.dev>

This is not handled by the planar copy wrapper, so exclude it.
---
 libswscale/swscale_unscaled.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libswscale/swscale_unscaled.c b/libswscale/swscale_unscaled.c
index 1df160daaa..4959963b18 100644
--- a/libswscale/swscale_unscaled.c
+++ b/libswscale/swscale_unscaled.c
@@ -2660,7 +2660,8 @@ void ff_get_unscaled_swscale(SwsInternal *c)
         (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
          c->chrDstHSubSample == c->chrSrcHSubSample &&
          c->chrDstVSubSample == c->chrSrcVSubSample &&
-         isSemiPlanarYUV(srcFormat) == isSemiPlanarYUV(dstFormat))))
+         isSemiPlanarYUV(srcFormat) == isSemiPlanarYUV(dstFormat) &&
+         isSwappedChroma(srcFormat) == isSwappedChroma(dstFormat))))
     {
         if (isPacked(c->opts.src_format))
             c->convert_unscaled = packedCopyWrapper;
-- 
2.48.1

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  reply	other threads:[~2025-03-16 12:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-03-16 12:52 [FFmpeg-devel] [PATCH 1/2] swscale: fix gray -> grayf32 SIGFPE Niklas Haas
2025-03-16 12:52 ` Niklas Haas [this message]
2025-03-16 15:02   ` [FFmpeg-devel] [PATCH 2/2] swscale/swscale_unscaled: avoid nv12 <-> nv21 bug James Almer

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