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dwt_yasm/vertical_compose: fix width witdth argument.

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Fixes out of array accesses

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-11-11 12:40:38 +01:00
parent bec37935ec
commit def8588fb5
1 changed files with 5 additions and 5 deletions
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10
libavcodec/x86/dwt_yasm.asm
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@ -65,7 +65,7 @@ section .text
cglobal vertical_compose53iL0_%1, 4,4,1, b0, b1, b2, width
mova m2, [pw_2]
.loop:
sub widthd, mmsize/2
sub widthq, mmsize/2
mova m1, [b0q+2*widthq]
mova m0, [b1q+2*widthq]
COMPOSE_53iL0 m0, m1, [b2q+2*widthq], m2
@ -78,7 +78,7 @@ cglobal vertical_compose53iL0_%1, 4,4,1, b0, b1, b2, width
cglobal vertical_compose_dirac53iH0_%1, 4,4,1, b0, b1, b2, width
mova m1, [pw_1]
.loop:
sub widthd, mmsize/2
sub widthq, mmsize/2
mova m0, [b0q+2*widthq]
paddw m0, [b2q+2*widthq]
paddw m0, m1
@ -94,7 +94,7 @@ cglobal vertical_compose_dd97iH0_%1, 6,6,5, b0, b1, b2, b3, b4, width
mova m3, [pw_8]
mova m4, [pw_1991]
.loop:
sub widthd, mmsize/2
sub widthq, mmsize/2
mova m0, [b0q+2*widthq]
mova m1, [b1q+2*widthq]
COMPOSE_DD97iH0 [b2q+2*widthq], [b3q+2*widthq], [b4q+2*widthq]
@ -108,7 +108,7 @@ cglobal vertical_compose_dd137iL0_%1, 6,6,6, b0, b1, b2, b3, b4, width
mova m3, [pw_16]
mova m4, [pw_1991]
.loop:
sub widthd, mmsize/2
sub widthq, mmsize/2
mova m0, [b0q+2*widthq]
mova m1, [b1q+2*widthq]
mova m5, [b2q+2*widthq]
@ -132,7 +132,7 @@ cglobal vertical_compose_dd137iL0_%1, 6,6,6, b0, b1, b2, b3, b4, width
cglobal vertical_compose_haar_%1, 3,4,3, b0, b1, width
mova m3, [pw_1]
.loop:
sub widthd, mmsize/2
sub widthq, mmsize/2
mova m1, [b1q+2*widthq]
mova m0, [b0q+2*widthq]
mova m2, m1