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Code Issues Releases Activity

avfilter/x86/vf_blend: use unaligned movs for output

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Fixes crashes with:

ffmpeg -f lavfi -i allyuv=d=1 -vf tblend=difference128,pad=5000:ih:1 -f null x

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint
2022-01-19 22:25:27 +01:00
parent 117672c814
commit 5b3732227e
1 changed files with 11 additions and 11 deletions
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22
libavfilter/x86/vf_blend.asm
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@@ -75,7 +75,7 @@ BLEND_INIT %1, 2, %3
movu m0, [topq + xq]
movu m1, [bottomq + xq]
p%2 m0, m1
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -108,7 +108,7 @@ BLEND_INIT %1, 6, %4
packus%3%2 m0, m1
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -148,7 +148,7 @@ BLEND_INIT multiply, 6
MULTIPLY m1, m3, m5
packuswb m0, m1
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -175,7 +175,7 @@ BLEND_INIT screen, 7
SCREEN m1, m3, m5, m6
packuswb m0, m1
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -196,7 +196,7 @@ BLEND_INIT %1, 3, %3
pxor m1, m2
pavg%2 m0, m1
pxor m0, m2
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -230,7 +230,7 @@ BLEND_INIT %1, 6, %4
packus%3%2 m0, m1
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -251,7 +251,7 @@ BLEND_INIT hardmix, 5
pxor m0, m3
pcmpgtb m1, m0
pxor m1, m2
mova [dstq + xq], m1
movu [dstq + xq], m1
add xq, mmsize
jl .loop
BLEND_END
@@ -304,7 +304,7 @@ BLEND_INIT %1, 4, %3
mova m2, m3
psubus%2 m2, m1
paddus%2 m2, m0
mova [dstq + xq], m2
movu [dstq + xq], m2
add xq, mmsize
jl .loop
BLEND_END
@@ -333,7 +333,7 @@ BLEND_INIT %1, 5, %4
ABS2 m0, m3, m1, m4
%endif
packus%3%2 m0, m3
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END
@@ -369,7 +369,7 @@ BLEND_INIT %1, 8, %4
ABS2 m3, m7, m1, m6
%endif
packus%3%2 m3, m7
mova [dstq + xq], m3
movu [dstq + xq], m3
add xq, mmsize
jl .loop
BLEND_END
@@ -406,7 +406,7 @@ BLEND_INIT %1, 8, %4
psub%3 m0, m4, m3
psub%3 m1, m4, m7
packus%3%2 m0, m1
mova [dstq + xq], m0
movu [dstq + xq], m0
add xq, mmsize
jl .loop
BLEND_END