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avcodec/mss2dsp: use FF_PTR_ADD to add offsets to a pointer

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Fixes: libavcodec/mss2dsp.c:59:14: runtime error: applying zero offset to null pointer

Tested-by: Kacper Michajlow <kasper93@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
(cherry picked from commit b1172b8cc6)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
James Almer
2025-06-22 10:51:06 -03:00
committed by Michael Niedermayer
parent a9c5da3261
commit ba4dd959a8
1 changed files with 1 additions and 1 deletions
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libavcodec/mss2dsp.c
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@@ -56,7 +56,7 @@ static av_always_inline void mss2_blit_wmv9_template(uint8_t *dst,
}
}
}
mask += mask_stride;
mask = FF_PTR_ADD(mask, mask_stride);
dst += dst_stride;
srcy += srcy_stride;
srcu += srcuv_stride * (r & 1);