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