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Hao Chen 28ca98d977 libswscale/ppc/yuv2rgb_altivec: Fix heap buffer overflow in yuv2packedX
Process only complete 16-pixel blocks directly into the destination.
This makes the previously unreachable scratch-buffer tail handle the
remaining pixels. Remove its rewind and use the destination pixel stride
for both the copy offset and length.

Signed-off-by: Hao Chen <haochenc@google.com>
(cherry picked from commit 884590dd4a)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2026-09-19 14:27:13 +02:00
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