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x86/lossless_videodsp: don't overread the dst buffer in ff_add_left_pred_unaligned_avx2

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Fixes valgrind

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer
2017-12-10 00:38:05 -03:00
parent f20c8f6ec9
commit a4fc63c0f9
1 changed files with 1 additions and 2 deletions
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libavcodec/x86/lossless_videodsp.asm
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@@ -154,8 +154,7 @@ MEDIAN_PRED
add wq, mmsize add wq, mmsize
jl %%.loop jl %%.loop
%if mmsize == 32 %if mmsize == 32
mov eax, [dstq -1] movzx eax, byte [dstq - 1]
and eax, 0xff
%else; %else;
mov eax, mmsize-1 mov eax, mmsize-1
sub eax, wd sub eax, wd